From df62c1c110e8532b995b23540b7e3695729c0779 Mon Sep 17 00:00:00 2001 From: Jing Yu Date: Thu, 5 Nov 2009 15:11:04 -0800 Subject: Check in gcc sources for prebuilt toolchains in Eclair. --- gcc-4.3.1/gcc/ChangeLog-2005 | 35908 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 35908 insertions(+) create mode 100644 gcc-4.3.1/gcc/ChangeLog-2005 (limited to 'gcc-4.3.1/gcc/ChangeLog-2005') diff --git a/gcc-4.3.1/gcc/ChangeLog-2005 b/gcc-4.3.1/gcc/ChangeLog-2005 new file mode 100644 index 000000000..888821fda --- /dev/null +++ b/gcc-4.3.1/gcc/ChangeLog-2005 @@ -0,0 +1,35908 @@ +2005-12-31 Andrew Pinski + + PR tree-opt/25612 + * tree-ssa-pre.c (compute_avail): Treat the static chain decl as a + parameter and pretend that it is defined in the entry basic block. + +2005-12-30 Kazu Hirata + + * tree-outof-ssa.c (_elim_graph): Change the type of STACK to + VEC(int,heap). + (new_elim_graph, delete_elim_graph, elim_forward, + eliminate_phi): Use the VEC API on STACK. + +2005-12-29 Daniel Berlin + + * tree.h (VALUE_HANDLE_VUSES): New. + (struct tree_value_handle): Add vuses. + + * tree-vn.c (struct val_expr_pair_d): Remove stmt, add vuses. + (vn_compute): Remove stmt argument. + Don't use vuses in hash value computation. + (val_expr_pair_eq): Compare vuse lists. + (copy_vuses_from_stmt): New function. + (shared_vuses_from_stmt): Ditto. + (vn_add): Rewrite in terms of vn_add_with_vuses. + (vn_add_with_vuses): New function. + (vn_lookup): Rewrite in terms of vn_lookup_with_vuses. + (vn_lookup_with_vuses): New function. + (vuses_compare): New function. + (print_creation_to_file): Ditto. + (vn_lookup_or_add): Rewrite to handle vuses. + (sort_vuses): New function. + (vn_lookup_or_add_with_vuses): Ditto. + (vn_init): Initialize shared_lookup_vuses. + (vn_delete): Free shared_lookup_vuses. + + * tree-ssa-pre.c: Update todo list. + (bb_value_sets_t): Add rvuse_in, rvuse_out, rvuse_gen, and + rvuse_kill. + (RVUSE_IN): New macro. + (RVUSE_GEN): Ditto. + (RVUSE_KILL): Ditto. + (RVUSE_OUT): Ditto. + (modify_expr_node_pool): New function. + (pretemp): New. + (storetemp): Ditto. + (mergephitemp): Ditto. + (prephitemp): Ditto. + (struct expr_pred_trans_d): Add vuses member. + (expr_pred_trans_eq): Compare vuses. + (phi_trans_lookup): Add vuses argument. + (phi_trans_add): Ditto. + (translate_vuses_through_block): New function. + (phi_translate): Use vuses to ask about those expressions that can + have vuses. + Properly translate virtual uses through phis, and use + vn_lookup_or_add_with vuses. Handle tcc_reference. + (phi_translate_set): Don't add pointless translations to the + cache. + (get_representative): New function. + (vuses_dies_in_block_x): Ditto. + (valid_in_set): Add block argument. Check virtual use validity. + (clean): Add block argument. Update call to valid_in_set + (compute_antic_aux): Update call to clean. + (dump_bitmap_of_names): New function. + (compute_vuse_representatives): Ditto. + (compute_rvuse): Ditto. + (can_value_number_call): Modified to accept calls with vuses. + (can_value_number_operation): New function. + (can_PRE_operation): Ditto. + (need_creation): New vector of stores that may need creation. + (find_or_generate_expression): use can_PRE_operation. + (create_expression_by_pieces): Handle INDIRECT_REF. + Only create one temp until we have to change types. + Mark new vars for renaming. + (insert_into_preds_of_block): Ignore loopiness of loads. + Use can_PRE_operation. + Only create one temp until we have to chnge types. + (insert_aux): Use can_PRE_operation. + Don't pass name to insert_into_preds_of_block. + (insert_extra_phis): Only use one temp until we have to change + types. + (poolify_tree): New function. + (modify_expr_template): New var. + (poolify_modify_expr): New function. + (insert_fake_stores): Ditto. + (realify_fake_stores): Ditto. + (compute_avail): Use can_value_number_operation. + (mark_operand_necessary): Return NULL for non-SSA names. + (remove_dead_inserted_code): Update comment. + (init_pre): Initialize pretemp, need_creation, storetemp, + mergephitemp, prephitemp. + Create modify_expr_node_pool. + (fini_pre): Free modify_expr_node_pool and need_creation array. + (execute_pre): Call insert_fake_stores, compute_rvuse, and + realify_fake_stores. + * tree-flow.h (vn_compute): Fix prototype. + (vn_add): Ditto. + (vn_lookup): Ditto. + (sort_vuses): New. + (vn_lookup_or_add_with_vuses): Ditto. + (vn_add_with_vuses): Ditto. + (vn_lookup_with_vuses): Ditto. + * passes.c (pass_may_alias): Add. + +2005-12-30 Gabriel Dos Reis + + * c-pretty-print.h (struct c_pretty_print_info): Add new member + "constant". + (pp_constant): New macro. + * c-pretty-print.c (pp_c_pretty_printer_init): Set pp->constant. + +2005-12-30 John David Anglin + + PR fortran/25586 + * pa.md: Remove REG_POINTER check from REG+REG peephole2 floating-point + store patterns. + +2005-12-29 Kenneth Zadeck + + * bitmap.c (bitmap_element_free, bitmap_element_link, + bitmap_elt_insert_after, bitmap_and, bitmap_and_compl, + bitmap_and_compl, bitmap_ior, bitmap_ior_into, bitmap_xor, + bitmap_xor_into): Added code to properly maintain the variants + associated with the CURRENT and HEAD fields. + (bitmap_popcount, bitmap_clear_range, bitmap_compl_and_into): New + functions. + * bitmap.h: Added defs for bitmap_popcount, bitmap_clear_range, + and bitmap_compl_and_into. + + +2005-12-29 Mike Stump + + * doc/invoke.texi (Objective-C and Objective-C++ Dialect Options + -fobjc-exceptions): Don't imply this doesn't work with the GNU + runtime. + +2005-12-29 Nathan Sidwell + + * varasm.c (get_section): Use gcc_assert. + +2005-12-29 Paul Brook + + * config/m68k/m68k.h (RETURN_ADDR_RTX): Define. + * config/m68k/m68k.c (m68k_initial_elimination_offset): Remove FIXME. + Include offset due to FIRST_PARM_OFFSET. + +2005-12-29 Paul Brook + + * config/m68k/lb1sf68.asm (__cmpdf2): Fix typo in immediate mask. + Create wrapper and rename body... + (__cmpdf2_internal): ... to this. Return correct value for unordered + result. + (__cmpsf2): Create wrapper and rename body... + (__cmpsf2_internal): ... to this. Return corerct value for unordered + result. + (__eqdf2, __nedf2, __gtdf2, __gedf2, __ltdf2, __ledf2): Use + __cmpdf2_internal. + (__eqsf2, __nesf2, __gtsf2, __gesf2, __ltsf2, __lesf2): Use + __cmpsf2_internal. + +2005-12-29 Paul Brook + + * config/m68k/fpgnulib.c (__extendsfdf2): Handle negative zero. + (__truncdfsf2): Ditto. + (__extenddfxf2): Ditto. + (__truncxfdf2): Ditto. + * config/m68k/lb1sf68.asm (__addsf3): Return -0.0 for -0.0 + -0.0. + (__adddf3): Ditto. + +2005-12-29 Daniel Jacobowitz + Paul Brook + + * config/m68k/m68k.c (m68k_output_pic_call): Don't use bsr.l for + !TARGET_68020. + * config/m68k/t-m68kelf (EXTRA_PARTS): Remove. + (EXTRA_MULTILIB_PARTS): Set. + * config/m68k/t-uclinux (EXTRA_PARTS): Remove. + (EXTRA_MULTILIB_PARTS): Set. + +2005-12-29 Alan Modra + + PR target/25572 + * config/rs6000/rs6000.c (create_TOC_reference): Set regs_ever_live. + +2005-12-28 Nathan Sidwell + + * config.gcc (mt-*-*): Add --with-arch support. + (--with): Print accepted options on error. + * config/mt/mt.h (OPTION_DEFAULT_SPECS): Define. + + * config/mt/mt.c (DEF_VEC_P(basic_block), + DEF_VEC_ALLOC_P(basic_bloc,heap)): Remove from here. + +2005-12-28 Daniel Berlin + + Fix PR tree-optimization/25394 + * fold-const.c (fold_checksum_tree): Guard + portions of checksumming with correct structure checks. + +2005-12-27 Kazu Hirata + + * global.c, tree-ssa-pre.c: Move DEF_VEC_P(basic_block) and + DEF_VEC_ALLOC_P(basic_block,{gc,heap}) to ... + * basic-block.h: ... here. + +2005-12-27 Roger Sayle + + * fold-const.c (int_const_binop): Return NULL_TREE when an expression + can't be evaluated at compile-time (instead of calling abort). + Return NULL_TREE for division (and modulus) by zero. + (const_binop): Return NULL_TREE for floating point operators that + aren't handled by real_arithmetic. + (fold_binary): Eliminate "wins" variable, and "binary" label, by + folding operators with constant operands early. Assert that + operands are non-NULL. + +2005-12-27 Kazu Hirata + + * tree-vrp.c (extract_range_from_binary_expr): Use + build_int_cst instead of fold_convert. + +2005-12-26 Mark Mitchell + + PR c++/23171, c++/23172, c++/25417. + * c-decl.c (compound_literal_number): Remove. + (build_compound_literal): Use set_compound_literal_name. + * c-common.c (compound_literal_number): New variable. + (set_compound_literal_name): New function. + * c-common.h (set_compound_literal_name): Declare. + +2005-12-26 Kazu Hirata + + PR tree-optimization/25125 + * convert.c (convert_to_integer): Don't narrow the type of a + PLUS_EXPR or MINUS_EXPR if !flag_wrapv and the unwidened type + is signed. + +2005-12-26 Graham Stott + + PR middle-end/25568 + * combine.c (simplify_shift_const_1 ):Fix enable-checking + rtl bootstrap failure. + +2005-12-25 Kazu Hirata + + * final.c (compute_alignments): Make it static. + * gcse.c (gcse_main, bypass_jumps): Likewise. + * web.c (web_main): Likewise. + * output.h: Remove the prototype for compute_alignments. + * rtl.h: Remove the prototypes for web_main, gcse_main, and + bypass_jumps. + +2005-12-24 Roger Sayle + + * expr.c (force_operand): Use expand_fix and expand_float to + implement integer <-> FP conversions instead of convert_to_mode. + +2005-12-24 Mark Mitchell + + PR c++/23171 + * varasm.c (initializer_constant_valid_p): An ADDR_EXPR of a + CONSTRUCTOR is invalid. + +2005-12-23 Daniel Berlin + + * tree-pass.h (pass_eliminate_useless_stores): Remove. + * tree-ssa-pre.c (is_copy_stmt): Ditto. + (follow_copies_till_vuse): Ditto. + (do_eustore): Ditto. + (gate_eustores): Ditto. + (pass_eliminate_useless_stores): Ditto. + * passes.c (init_optimization_passes): Ditto. + +2005-12-23 Paolo Bonzini + + * combine.c (simplify_shift_const): Fix typo. Use, whenever + applicable, simplify_const_binary_operation. + + (simplify_shift_const): Leave only the fallback + case when no simplification is possible. Extract to... + (simplify_shift_const_1): ... here. Always create a new + RTX instead of substituting. Remove the signed_count variable. + Return NULL_RTX if no substitution is possible. + + (simplify_and_const_int): Leave only the fallback + case when no simplification is possible. Extract to... + (simplify_and_const_int_1): ... here. Always create a new + RTX instead of substituting. Return NULL_RTX if no substitution + is possible. + + (force_to_mode, simplify_comparison): Don't pass a non-NULL first + parameter to simplify_and_const_int and simplify_shift_const, + unless it is equal to the expected non-simplified result. + +2005-12-23 Jakub Jelinek + + PR target/25005 + * regrename.c (replace_oldest_value_reg): Use validate_change with + IN_GROUP set to 1 instead of doing direct modifications. + (copyprop_hardreg_forward_1): Likewise. If any replace_oldest_* + replacements have been performed on an instruction, use + apply_change_group (). + +2005-12-23 Hans-Peter Nilsson + + * config/cris/arit.c (do_31div): Clarify what "31" refers to. + [L_divsi3] (__Udiv): Don't use as inline function. + [L_modsi3] (__Umod): Ditto. + (__Div): Rearrange to call do_31div directly instead of __Udiv. + (__Mod): Similarly regarding __Umod. + + PR target/24342 + * config/cris/cris.c (cris_split_movdx): Add REG_INC notes for + emitted insns with post-increments. + (cris_expand_epilogue): Ditto. + +2005-12-22 Jakub Jelinek + Richard Henderson + + Merge from gomp-branch. + * builtins.def: Move all DEF_SYNC_BUILTIN to ... + * sync-builtins.def: ... new file. + (BUILT_IN_FETCH_AND_ADD_16, + BUILT_IN_FETCH_AND_SUB_16, BUILT_IN_FETCH_AND_OR_16, + BUILT_IN_FETCH_AND_AND_16, BUILT_IN_FETCH_AND_XOR_16, + BUILT_IN_FETCH_AND_NAND_16, BUILT_IN_ADD_AND_FETCH_16, + BUILT_IN_SUB_AND_FETCH_16, BUILT_IN_OR_AND_FETCH_16, + BUILT_IN_AND_AND_FETCH_16, BUILT_IN_XOR_AND_FETCH_16, + BUILT_IN_NAND_AND_FETCH_16, BUILT_IN_BOOL_COMPARE_AND_SWAP_16, + BUILT_IN_VAL_COMPARE_AND_SWAP_16, BUILT_IN_LOCK_TEST_AND_SET_16, + BUILT_IN_LOCK_RELEASE_16): New builtins. + * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16, + BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add. + * builtins.c (expand_builtin): Handle sync BUILT_IN_*_16 builtins. + * c-common.c (enum c_builtin_type): Move to top-level from + c_common_nodes_and_builtins enum builtin_type. + (builtin_types): Move from c_common_nodes_and_builtins. + (def_fn_type): New. + (c_common_nodes_and_builtins): Use it. + (def_builtin_1): Check for error_mark_node. + (sync_resolve_size): Handle also 128 bit sync builtins. + * Makefile.in (BUILTINS_DEF): New. Use it instead of builtins.def. + + * config/i386/i386.h (x86_cmpxchg8b, x86_cmpxchg16b): New decls. + (TARGET_CMPXCHG8B, TARGET_CMPXCHG16B): Define. + * config/i386/i386.c (x86_cmpxchg8b, x86_cmpxchg16b): New variables. + * config/i386/sync.md (CASMODE, DCASMODE): New mode macros. + (doublemodesuffix, DCASHMODE): New mode attrs. + (sync_compare_and_swap): Change into expand, use CASMODE + instead of IMODE, if mode is wider than a word, expand into + sync_double_compare_and_swap*. + (*sync_compare_and_swap): New insn. + (sync_double_compare_and_swap): Likewise. + (*sync_double_compare_and_swapdi_pic): Likewise. + (sync_compare_and_swap_cc): Use CASMODE instead of IMODE, if + mode is wider than a word, expand into + sync_double_compare_and_swap_cc*. + (sync_double_compare_and_swap_cc): New insn. + (*sync_double_compare_and_swap_ccdi_pic): Likewise. + +2005-12-22 Richard Henderson + + * config/i386/mmintrin.h (_mm_add_si64): Only define for SSE2. + (_mm_sub_si64): Likewise. + * config/i386/xmmintrin.h (_mm_shuffle_pi16, _m_pshufw): Likewise. + +2005-12-23 Alan Modra + + PR rtl-optimization/25432 + * reload1.c (eliminate_regs_in_insn): Update insn code on + successfully re-recognizing modified insn. + +2005-12-22 Richard Guenther + + * tree.c (tree_fold_gcd): Use build_int_cst where appropriate. + * tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise. + * varasm.c (array_size_for_constructor): Likewise. + * fold-const.c (size_diffop, invert_truthvalue, + optimize_bit_field_compare, make_range, build_range_check, + fold_cond_expr_with_comparison, fold_truthop, + fold_single_bit_test_into_sign_test, fold_binary): Likewise. + +2005-12-22 Dale Johannesen + + * config/i386/sse.md (sse_movhlps): Reverse operands for + 2nd and 3rd alternatives. + +2005-12-22 Andrew Pinski + + PR tree-opt/25513 + * tree-dfa.c (make_rename_temp): Set DECL_COMPLEX_GIMPLE_REG_P complex + variables. + +2005-12-22 Zdenek Dvorak + Steven Bosscher + + * df.c (df_bitmaps_free): Only work for bbs for that structures are + allocated. + (df_bb_modify): Realloc tables to the new index. + (df_find_use): New function. + (df_find_def, df_reg_used): Handle subregs. + * df.h (df_find_use): Declare. + + * loop-invariant.c: Include hashtab.h. + (struct invariant): Remove processed field, add eqto and reg fields. + (struct invariant_expr_entry): New. + (invariant_for_use, hash_invariant_expr_1, invariant_expr_equal_p, + hash_invariant_expr, eq_invariant_expr, find_or_insert_inv, + find_identical_invariants, merge_identical_invariants): New functions. + (create_new_invariant): Return the new invariant. Initialize new + fields. + (find_invariants): Call merge_identical_invariants. + (get_inv_cost, best_gain_for_invariant, set_move_mark, + move_invariant_reg): Handle equivalent invariants. + * Makefile.in (loop-invariant.o): Add HASHTAB_H dependency. + +2005-12-22 Volker Reichelt + + PR c++/23333 + * c-lex.c (c_lex_with_flags): Add PURE_ZERO to cpp_flags if + number is a single digit '0'. + +2005-12-22 Kazu Hirata + + PR tree-optimization/23518 + * fold-const.c (make_range): Don't move a constant to the + other side of the comparison if the type is signed and -fwrapv + is given. + +2005-12-22 Kazu Hirata + + * tree-vrp.c (extract_range_from_binary_expr): Clean up uses + of vr0.type. + +2005-12-21 Joseph S. Myers + + PR middle-end/24998 + * config/arm/t-arm-elf (LIB1ASMFUNCS): Add _floatundidf and + _floatundisf. + +2005-12-21 Andrew Haley + + PR middle-end/25121 + * recog.c (peephole2_optimize): Don't peephole any + RTX_FRAME_RELATED_P insns. + +2005-12-21 Kazu Hirata + + * tree-data-ref.c (estimate_niter_from_size_of_data): Replace + fold_build2 with fold_binary. + * tree-ssa-ccp.c (visit_assignment, maybe_fold_stmt_addition): + Replace fold_build1 with fold_unary. + * tree-ssa-reassoc.c (optimize_ops_list): Replace fold_build2 + with fold_binary. + +2005-12-21 Steven Bosscher + + PR rtl-optimization/25196 + * postreload-gcse.c (record_last_set_info): Notice stack pointer + changes in push insns without REG_INC notes. + +2005-12-21 Kazu Hirata + + PR tree-optimization/25382. + * tree-vrp.c (extract_range_from_binary_expr): Extract a range + from BIT_AND_EXPR. + +2005-12-21 Janis Johnson + Ben Elliston + + * configure.ac: Enable C extension for decimal float if invoked + with --enable-decimal-float. + * doc/install.texi (Configuration): Document it. + * configure, config.in: Regenerate. + +2005-12-20 Mike Stump + + * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Handle the + ambiguity between -seg_addr_table and -seg_addr_table_filename. + (WORD_SWITCH_TAKES_ARG): Likewise. + (LINK_SPEC): Likewise. + +2005-12-20 Kenneth Zadeck + + * cfganal.c (flow_reverse_top_sort_order_compute): + Renamed to post_order_compute and additional parameter added which + allows the inclusion of entry and exit blocks into list. + (mark_dfs_back_edges): Fixed comment. + (flow_depth_first_order_compute): Renamed to + pre_and_rev_post_order_compute additional parameter added which + allows the inclusion of entry and exit blocks into list. + * global.c (set_up_bb_rts_numbers): Call to + flow_reverse_top_sort_order_compute renamed to + post_order_compute. + * var-tracking.c (vt_stack_adjustments): Fixed comment. + (vt_find_locations): Call to + flow_depth_first_order_compute renamed to + pre_and_rev_post_order_compute. + * cfgloop.c (flow_find_loops): Ditto. + * tree-ssa-reassoc.c (init_reassoc): Ditto. + * df.c (df_analyze_1, df_analyze_subcfg): Calls to + flow_reverse_top_sort_order_compute renamed to post_order_compute + and calls to flow_reverse_top_sort_order_compute renamed to + post_order_compute. + * basic_block.h: Ditto. + + +2005-12-20 Roger Sayle + Paolo Bonzini + + PR rtl-optimization/25115 + * gcse.c (pre_insert_copy_insn): Fall back to the sole + SET in the insn if there is no SET for an + expression that is equivalent to EXPR. + +2005-12-20 Richard Guenther + + PR middle-end/24306 + * builtins.c (std_gimplify_va_arg_expr): Do not align + va frame for zero sized types. + * config/i386/i386.c (ix86_gimplify_va_arg): Likewise. + +2005-12-20 Kazu Hirata + + PR tree-optimization/25501 + * tree-cfgcleanup.c (merge_phi_nodes): Check that RESULT is + used in the PHI argument corresponding to the edge from BB to + DEST. + +2005-12-20 Richard Guenther + + Revert + 2005-12-02 Richard Guenther + + * tree-cfg.c (mark_used_vars): New function. + (dump_function_to_file): Dump only used VAR_DECLs. + +2005-12-19 Roger Sayle + + * combine.c (try_combine): Improve splitting of binary operators + by taking advantage of reassociative transformations. + +2005-12-19 Jeff Law + + * tree-ssa-dom.c (thread_across_edge): Do not use local_fold. + Strip away all type conversions after simplifying the + condition. + + * tree-cfgcleanup.c (merge_phi_nodes): Allow merging in some + cases the forwarder block dominates the destination. + +2005-12-19 DJ Delorie + + * reload1.c (spill_failure): Dump reload data to dump file. + (find_reload_regs): Likewise. + +2005-12-19 Zdenek Dvorak + + PR tree-optimization/24793 + * tree-ssa-loop-ivopts.c (get_ref_tag): Remember the + original reference if there are subvars. + * tree-ssa-operands.c (get_tmr_operands): Handle subvars. + +2005-12-19 Kenneth Zadeck + + * df.c (df_analyze_1, df_analyze_subcfg, iterative_dataflow): + Corrected basic block number calculations for changes in entry and + exit numbering. + +2005-12-19 Zdenek Dvorak + + * tree-flow.h (struct var_ann_d): Change type of + may_aliases field to VEC(tree, gc) *. + (may_aliases): Declaration changed. + * tree-ssa-alias.c (group_aliases, add_may_alias, + replace_may_alias, dump_may_aliases_for, + is_aliased_with, add_type_alias, new_type_alias): + Work with VEC(tree, gc) * instead of varray. + * tree-flow-inline.h (may_aliases): Ditto. + * tree-ssa.c (verify_flow_insensitive_alias_info, + verify_name_tags): Ditto. + * tree-ssa-operands.c (add_stmt_operand): Ditto. + +2005-12-19 J"orn Rennecke + + * cfgcleanup.c: Temporarily revert patches for PR 20070 till Bernd + comes back. + +2005-12-19 J"orn Rennecke + + * struct-equiv.c (struct_equiv_improve_checkpoint): Fix sets_cc0_p + check. + +2005-12-19 Ben Elliston + + * doc/install.texi (Configuration): Typo in Fortran subheading. + +2005-12-19 Nathan Sidwell + + * config/mt/mt.md (decrement_and_branch_until_zero): Add another + scratch. Correct its reload split. Adjust its peephole. + (doloop_end): Add additional scratch. + (nop): Use 'nop'. + * config/mt/mt.c (MT_INT_ARG_FIRST): Remove. + (mt_asm_output_opcode, mt_print_operand): Use 'nop'. + (mt_function_arg_slotno): Use FIRST_ARG_REGNUM. + (mt_builtin_saveregs): Replace with ... + (mt_setup_incoming_varargs): ... here. Save just the varadic + args. + (mt_va_start): Remove. + (mt_reorg_hazard): Ignore USE insns. Don't call set_noop_p. + (mt_machine_reorg): Split all insns here. + (TARGET_SETUP_INCOMING_VARARGS): Override. + * config/mt/mt.h (TARGET_CPU_CPP_BUILTINS): Define __mt__ only. + Set to CPU type. + (EXPAND_BUILTIN_VA_START): Remove. + +2005-12-17 Kenneth Zadeck + + * flow.c (update_life_info, count_or_remove_death_notes): Fixed + latent bug that could happen if update_life_info was called with a + blocks parameter and the call to cleanup_cfg actually deleted one + of those blocks. + +2005-12-19 Zdenek Dvorak + + * tree-ssa-structalias.c (update_alias_info): Remove handling + of may_be_aliased (SSA_NAME_VAR (op)) case. + +2005-12-19 Zdenek Dvorak + + * tree-flow.h (struct stmt_ann_d): Remove + makes_aliased_loads and makes_aliased_stores fields. + * tree-ssa-ccp.c (likely_value): Do not use makes_aliased_stores + and makes_aliased_loads fields. + * tree-ssa-dom.c (eliminate_redundant_computations): Do not + use makes_aliased_stores. + * tree-ssa-operands.c (clobbered_aliased_loads, + clobbered_aliased_stores, ro_call_aliased_loads): Removed. + (build_ssa_operands, add_stmt_operand, add_call_clobber_ops, + add_call_read_ops): Do not set makes_aliased_stores and + makes_aliased_loads fields. + * tree-ssa.c (verify_ssa): Do not verify makes_aliased_stores + field. + +2005-12-18 Geoffrey Keating + + * config/darwin.h: Don't include darwin-sections.def to declare + global variables; instead create darwin_section_enum. + (darwin_section_enum): New. + (darwin_sections): New. + * config/darwin.c: Don't include darwin-sections.def to define + global variables. + (darwin_sections): New. + (output_objc_section_asm_op): Rewrite to take advantage of + darwin_sections. + (darwin_init_sections): Rewrite to use darwin_sections. + (machopic_output_indirection): Update for darwin_sections array. + (machopic_select_section): Likewise. + (machopic_select_rtx_section): Likewise. + (machopic_asm_out_constructor): Likewise. + (machopic_asm_out_destructor): Likewise. + (darwin_file_end): Likewise. + * config/rs6000/rs6000.c (machopic_output_stub): Likewise. + * config/i386/i386.c (machopic_output_stub): Likewise. + +2005-12-18 Richard Guenther + + PR tree-optimization/25481 + * tree-ssa-structalias.c (handle_ptr_arith): Handle accesses we + don't have a varinfo for. + +2005-12-18 Jon Grimm + Janis Johnson + Ben Elliston + + * optabs.c (init_floating_libfuncs): Handle decimal float modes. + (init_optabs): Handle libfuncs for decimal float. + * genopinit.c (gen_insn): Handle MODE_DECIMAL_FLOAT. + * stor-layout.c (int_mode_for_mode): Likewise. + * simplify-rtx.c (simplify_immed_subreg): Likewise. + (simplify_unary_operation_1): Skip optimisations for decimal float + modes. + * varasm.c (output_constant_pool_2): Handle MODE_DECIMAL_FLOAT. + * emit-rtl.c (gen_const_vector): Add assertion check. + (init_emit_once): Populate const_tiny_rtx with constants in each + decimal float mode. + * expmed.c (extract_high_half, expand_mult_highpart_optab, + expand_mult_highpart): Assert that mode is not a scalar float + mode. + * expr.c (convert_move): Handle conversion between decimal and + binary floats of the same size. + * convert.c (convert_to_real): Consider decimal float types when + folding. + * dwarf2out.c (base_type_die): Use DW_ATE_decimal_float to + describe decimal floating point types. + +2005-12-18 Ulrich Weigand + + PR rtl-optimization/21041 + * reload.c (find_reloads_subreg_address): Replace paradoxical + subreg of MEM by widened access only if the resulting memory + is properly aligned, even on !STRICT_ALIGNMENT targets. + +2005-12-18 Andreas Krebbel + + * tree-cfg.c (tree_flow_call_edges_add): Check for empty basic blocks. + +2005-12-18 Steven Bosscher + + * gcse.c (gcse_main, bypass_jumps): Fix non-GNU-isms from + the 2005-12-17 patch to renumber the entry and exit blocks. + +2005-12-18 Gabriel Dos Reis + + * doc/objc.texi (Type encoding): Fix typo. + +2005-12-17 Gabriel Dos Reis + + * tree-tailcall.c (find_tail_calls): Use XNEW. + * tree-ssa-dom.c (allocate_edge_info): Use XCNEW. + (free_all_edge_infos): Use explicit cast to convert from void *. + (vrp_free): Likewise. + (dom_opt_finalize_block): Likewise. + (record_equivalences_from_incoming_edge): Likewise. + (thread_across_edge): Likewise. Use XCNEWVEC. + (record_cond): Use XCNEW. + (record_conditions): Use XNEWVEC. + (record_edge_info): Use XCNEWVEC. + (lookup_avail_expr): Use XNEW. + (record_range): Likewise. Use GGC_NEW. + * tree-nested.c (var_map_hash): Use explicit cast to convert from + void *. + (var_map_eq): Likewise. + (lookup_field_for_decl): Likewise. + (convert_nonlocal_reference): Likewise. + (convert_local_reference): Likewise. + (convert_nl_goto_reference): Likewise. + (convert_nl_goto_receiver): Likewise. + (convert_call_expr): Likewise. + (convert_tramp_reference): Likewise. + (lookup_tramp_for_decl): Likewise.Use GGC_NEW. + (convert_nl_goto_reference): Likewise. + (lookup_field_for_decl): Use GGC_NEW. + (create_nesting_tree): Use GGC_CNEW. + * tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC. + * tree-ssa-alias.c (init_alias_info): Use XCNEW. + (create_alias_map_for): Likewise. + (setup_pointers_and_addressables): Use XCNEWVEC. + (get_ptr_info): Use GGC_NEW. + (used_part_map_eq): Use explicit cast to convert from void *. + (up_lookup): Likewise. + (up_insert): Use XNEW. + (get_or_create_used_part_for): Use XCNEW. + (get_tmt_for): Likewise. + * tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW. + * tree-ssa-pre.c (phi_trans_add): Use XNEW. + (bitmap_set_new): Use explicit cast to convert from void *. + (set_new): Likewise. + (insert_into_set): Likewise. + (pool_copy_list): Likewise. + (phi_translate): Likewise. + (create_value_expr_from): Likewise. + (insert_aux): Use XCNEWVEC. + (compute_avail): Use XNEWVEC. + * tree-ssa-live.c (calculate_live_on_entry): Likewise. + (sort_coalesce_list): Likewise. + (build_tree_conflict_graph): Use XCNEWVEC. + * tree-ssa-dce.c (tree_dce_init): Use XNEWVEC. + * tree-ssa-copy.c (init_copy_prop): Likewise. + (fini_copy_prop): Likewise. + * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use XNEW + and XCNEWVEC. + (record_equiv): Use XNEW. + (uncprop_into_successor_phis): Use explicit cast to convert from + void *. + (uncprop_initialize_block): Likewise. + +2005-12-18 Dorit Nuzman + + PR tree-optimization/24378 + * tree-vect-transform.c (vect_transform_loop): Create single-predecessor + basic-block after loop-versioning. + +2005-12-18 Jeff Law + + * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code + to simplify SWITCH_EXPR_CODE moved from here to ... + * tree-ssa-forwprop.c (simplify_switch_expr): Here. + (tree-ssa-forward_propagate_single_use_vars): Call + simplify_switch_expr when appropriate. + +2005-12-17 Andrew Pinski + + * doc/objc.texi (Type encoding): Add documentation about encoding + complex types and _Bool. + +2005-12-17 Paul Brook + + * config/m68k/m68k.md (m68k_output_function_prologue): Always call + dwarf2out_def_cfa. Only add space for frame pointer to cfa_offset + when frame_pointer_needed. + +2005-12-17 Gabriel Dos Reis + + * tree-vn.c (vn_add): Use XNEW. + * tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC. + (ccp_fold): Likewise. + (fold_stmt_r): Use explicit cast to convert from void *. + * tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC. + (new_temp_expr_table): Likewise. + * gimplify.c (lookup_tmp_var): Use XNEW. + (gimplify_asm_expr): Use explcit cast to convert from void *. + * tree-into-ssa.c (get_ssa_name_ann): Likewise. + (get_def_blocks_for): Use XNEW. + (add_to_repl_tbl): Likewise. + (mark_def_sites): Use explicit cast to convert from void *. + (def_blocks_free): Likewise. + (mark_def_sites_initialize_block): Likewise. + (update_ssa): Use XNEWVEC. + * tree-dfa.c (create_var_ann): Use GGC_NEW. + (create_stmt_ann): Likewise. + (create_tree_ann): Likewise. + (referenced_var_insert): Likewise. + (set_default_def): Likewise. + (referenced_var_lookup_if_exists): Use explicit cast to convert + from void *. + (referenced_var_lookup): Likewise. + (default_def): Likewise. + (set_default_def): Likewise. + * tree-cfg.c (create_bb): Likewise. + (edge_to_cases_cleanup): Likewise. + (verify_node_sharing): Likewise. + (record_switch_edge): Use XNEW. + (cleanup_dead_labels): Use XCNEWVEC. + (tree_duplicate_sese_region): Use XNEWVEC. + * tree-scalar-evolution.c (get_instantiated_value): Likewise. + * tree-ssa.c (verify_ssa): Use XCNEWVEC. + (int_tree_map_eq): Use explicit cast to convert from void *. + * libgcov.c (gcov_exit): Use explicit cast to convert from void *. + (__gcov_execl): Likewise. + (__gcov_execlp): Likewise. + (__gcov_execle): Likewise. + * tree-eh.c (struct_ptr_eq): Likewise. + (struct_ptr_hash): Likewise. + (lookup_stmt_eh_region_fn): Likewise. + (outside_finally_tree): Likewise. + (find_goto_replacement): Likewise. + (make_eh_edge): Likewise. + (mark_eh_edge): Likewise. + (add_stmt_to_eh_region_fn): Use GGC_NEW. + (record_in_finally_tree): Use XNEW. + (maybe_record_in_goto_queue): Use XRESIZEVEC. + (lower_try_finally_copy): Use XCNEWVEC. + +2005-12-17 Gabriel Dos Reis + + * tree-inline.c (copy_body_r): Use explicit cast when converting + from void *. + (copy_bb): Likewise. + (copy_edges_for_bb): Likewise. + (remap_decl_1): Likewise. + (estimate_num_insns_1): Likewise. + * cgraph.c (hash_node): Use explicit cast when converting from + void *. + (eq_node): Likewise. + (cgraph_create_node): Use GGC_CNEW. + (cgraph_create_edge): Use GGC_NEW. + (cgraph_remove_node): Use explicit cast when converting from void *. + (hash_varpool_node): Likewise. + (eq_varpool_node): Likewise. + (cgraph_varpool_node): Use GGC_CNEW. + * lambda.h (lambda_vector_new): Use GGC_CNEWVEC. + * tree-scalar-evolution.c (new_scev_info_str): Use XNEW. + (eq_scev_info): Use explicit cast when converting from void *. + (find_var_scev_info): Likewise. + (set_instantiated_value): Likewise. + (gather_stats_on_scev_database_1): Likewise. + * cfgloop.h (simple_loop_desc): Use explicit cast when converting + from void *. + * c-pch.c (c_common_write_pch): Use XNEWVEC. + (c_common_read_pch): Likewise. + * prefix.c (save_string): Use XNEWVEC. + (translate_name): Use explicit cast when converting from void *. + * c-ppoutput.c (print_line): Use explicit cast when converting + from void *. + (pp_dir_change): Likewise. + * c-cppbuiltin.c (builtin_define_std): Likewise. + (builtin_define_with_value): Likewise. + (builtin_define_with_value_n): Likewise. + (builtin_define_with_int_value): Likewise. + (builtin_define_type_max): Likewise. + * c-incpath.c (add_env_var_paths): Use XNEWVEC. + (add_path): Use XNEW. + * c-format.c (check_format_info_main): Use GGC_NEW. + (format_type_warning): Use explicit cast when converting from void *. + * c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of + xmalloc. + (start_init): Likewise. + * tree-flow-inline.h (first_referenced_var): Use explicit cast + when converting from void *. + (next_referenced_var): Likewise. + * c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc. + * gensupport.c (lookup_predicate): Use explicit cast to convert + from void *. + (init_predicate_table): Use XCNEW instead of xcalloc. + * genpreds.c (process_define_predicate): Likewise. + +2005-12-17 Danny Berlin + Kenneth Zadeck + + * basic-block.h: Changed basic block numbering so that the entry + block is 0 and the exit block is 1. Changed insn iterators so + that they are tolerant of blocks with no insns. + * regrename.c (copyprop_hardreg_forward): Changed basic block + numbering so that the entry block is 0 and the exit block is 1. + * sched-ebb.c (sehedule_ebbs): Ditto. + * tracer.c (branch_ratio_cutoff): Ditto. + * cfgloopmanip.c (fix_loop_structure): Ditto. + * cfghooks.c (verify_flow_info): Ditto. + * cfg.c (compact_blocks): Ditto. + * reorg.c (dbr_schedule): Ditto. + * flow.c (calculate_global_regs_live, libcall_dead_p): Ditto. + * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree, + calculate_dominance_info): Ditto. + * cfganal.c (create_edge_list, print_edge_list, + flow_depth_first_order_compute, flow_dfs_compute_reverse_init, + flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute, + dfs_enumerate_from): Ditto. + * global.c (global_alloc, set_up_bb_rts_numbers): Ditto. + * ifcvt.c (find_if_case_2): Ditto. + * cfgbuild.c (control_flow_insn_p, count_basic_blocks, + find_basic_blocks): Ditto. + * predict.c (predict_loops, tree_bb_level_predictions, + predict_paths_leading_to, propagate_freq): Ditto. + * lcm.c (compute_antinout_edge, compute_laterin, + compute_available): Ditto. + * function.c (thread_prologue_and_epilogue_insns): Ditto. + * gcse.c (gcse_main, bypass_jumps): Ditto. + * profile.c (compute_branch_probabilities, + compute_value_histograms, branch_prob): Ditto. + * tree-flow-inline.h (bsi_start, bsi_after_labels, + bsi_last): Ditto. + * tree-ssa-phiopt.c (tree_ssa_phiopt, + blocks_in_phiopt_order): Ditto. + * bt-load.c (compute_defs_uses_and_gen, compute_kill, + compute_out, link_btr_uses, migrate_btr_defs): Ditto. + * tree-dfa.c (collect_dfa_stats): Ditto. + * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto. + * cfglayout.c (fixup_reorder_chain): Ditto. + * bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos, + partition_hot_cold_basic_blocks): Ditto. + * var-tracking.c (vt_find_locations): Ditto. + * cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto. + * sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto. + * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges + label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto. + * tree-ssa-reassoc.c (init_reassoc): Ditto. + * cfgrtl.c (entry_of_function, rtl_verify_flow_info, + rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto. + * df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto + and removed unused reverse orders. + * df.h (): Ditto. + * combine.c: Fix document typo. + +2005-12-17 Jan Hubicka + + * tree-flow-inline.h (set_default_def, default_def): Kill. + * tree-dfa.c (default_defs): New global variable. + (default_def, set_default_def): New functions. + * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash. + * tree-flow.h (struct var_ann_d): Kill default_def field. + (set_default_def, default_def): Update prototype. + (default_defs): Declare. + +2005-12-16 Jeff Law + + * tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill. + (simplify_rhs_and_lookup_avail_expr): Kill. Remnants moved + into tree-ssa-forwprop.c. + (eliminate_redundant_computations): Do not call + simplify_rhs_and_lookup_avail_expr anymore. + * tree-ssa-forwprop.c (simplify_not_neg_expr): New function + extracted from remnants of simplify_rhs_and_lookup_avail_expr. + (tree_ssa_forward_propagate_single_use_vars): Call + simplify_not_neg_expr appropriately. + +2005-12-16 Bernd Trog + + PR target/20016 + * config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS. + +2005-12-17 Kazu Hirata + + PR rtl-optimization/25456 + * struct-equiv.c (struct_equiv_improve_checkpoint): Replace + info->x_start with p->x_start. + +2005-12-17 Alan Modra + + * simplify-rtx.c (simplify_binary_operation_1 ): Correct bug + introduced 2005-12-16. + +2005-12-16 Steven Bosscher + + PR rtl-optimization/23837 + * optabs.c (expand_binop): For a multi-word rotate, never emit + a REG_NO_CONFLICT block. + +2005-12-16 John David Anglin + + PR middle-end/25457 + * reorg.c (mostly_true_jump): Remove unused variable 'insn'. + + PR target/25447 + * config/pa/pa.c (pa_scalar_mode_supported_p): Handle + MODE_DECIMAL_FLOAT. + +2005-12-16 Steven Bosscher + + * loop-invariant.c (move_loop_invariants): Add missing hunk from + the previous patch, to nullify df. + +2005-12-16 Steven Bosscher + + * reorg.c (mostly_true_jump): Clean up code depending on + LABEL_OUTSIDE_LOOP_P and loop notes. Remove code doing + poor man's branch prediction, instead rely on REG_BR_PROB + notes to be available. + +2005-12-16 Jakub Jelinek + + PR rtl-optimization/24899 + * loop.c (strength_reduce): Don't reduce giv that is not always + computable and where add_val or mult_val can trap. + + * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only. + +2005-12-16 Nathan Sidwell + + * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct + names of ms1-16-002 files. + +2005-12-16 Alan Modra + + PR driver/20425 + * gcc.c (for_each_path): New function. + (add_to_obstack, file_at_path): New functions. + (struct file_at_path_info, struct add_to_obstack_info): New. + (build_search_list): Rewrite using for_each_path. Constify struct + path_prefix pointer. Add do_multi param. Adjust all callers. + (find_a_file): Similarly, but just change existing param to bool. + (putenv_from_prefixes): Add do_multi param, make "paths" const. + (do_spec_path): Delete. + (struct spec_path_info): New. + (spec_path): New function. + (do_spec_1): Use for_each_path for %D and %I. + (find_file): Adjust for find_a_file changes. + (main): Search multilibs for specs. Print multilib lib path for + -print-search-dirs. Likewise add multilibs to LIBRARY_PATH_ENV. + (read_specs): Search multilibs for %include and %include_noerr. + (is_directory): Remove second string param. Change last param + to a bool. Don't use concat. Remove SMALL_ARG_MAX test, always + check path is a dir. Update all callers. + * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention. + * system.h (SMALL_ARG_MAX): Poison. + * config.gcc: Don't define SMALL_ARG_MAX. + * config.host: Likewise. + * config.build: Likewise. + +2005-12-16 Paolo Bonzini + + * combine.c (combine_simplify_rtx , + simplify_logical): Move simplifications that do not require + additional infrastructure... + * simplify-rtx.c (simplify_unary_operation_1, + simplify_binary_operation_1): ... here. + +2005-12-16 Andreas Krebbel + + PR 24823 + * flow.c (mark_used_dest_regs): New function. + (mark_used_regs): Call mark_used_dest_regs. + +2005-12-16 Jeff Law + + * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which + represent a use and definition of the same SSA_NAME. + +2005-12-16 Jon Grimm + Janis Johnson + Ben Elliston + + * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New. + (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P. + * target.h (struct gcc_target): Add decimal_float_supported_p. + * targhooks.c (default_scalar_mode_supported_p): Handle + MODE_DECIMAL_FLOAT. + * builtins.def: Add new builtins for 32, 64 and 128 bit variants + of inf, nan, finite, isinf and isnan. + * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128, + BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR, + BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128, + BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128, + BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING, + BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32, + BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New. + * c-decl.c (declspecs_add_type): Verify combos on type qualifiers. + Pedwarn if decimal floating point types are used. Error if + decimal floating point is not supported by the target. + (finish_declspecs): Return type from DFP typespec_word. + * c-typeck.c (c_common_type): Choose the decimal floating point + type with the greater precision when determining a common type. + (convert_arguments): Warn if there is a mismatch between argument + and prototype for decimal float types. Warn of conversions with + binary float types and of precision narrowing due to prototype. + * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128. + (c_token_starts_typename): Handle RID_DFLOAT32/64/128. + (c_token_starts_declspecs): Likewise. + (c_parser_attributes): Likewise. + * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32, + RID_DFLOAT64, RID_DFLOAT128. + (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros. + * c-common.c (c_common_type_for_mode): Handle decimal float modes. + (shorten_compare): Convert DFP/BFP operands to a common type. + (c_common_modes_and_builtins): Register built-in decimal float + types if the target supports them. + (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT. + * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of + inf, nan, finite, isinf and isnan builtins. + * c-cppbuiltin.c (builtin_define_decimal_float_constants): New. + (builtin_define_float_constants): Assert non-decimal radix. + (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define. + Call builtin_define_decimal_float_constants for each type. + * c-lex.c (interpret_float): Decode decimal float types from CPP_N + flags. Use real_from_string3, which can handle binary or decimal + floats. + * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32, + cts_dfloat64, cts_dfloat128. + * tree.c (build_common_tree_nodes_2): Add decimal float types. + * tree.h (enum tree_index): Add new enumeration values + TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE, + TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE. + (dfloat32_type_node): New macro. + (dfloat64_type_node, dfloat128_type_node): Likewise. + (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise. + (dfloat128_ptr_type_node): Likewise. + * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128 + bit decimal floating point types with "df", "dd" and "dl". + * c-format.h (enum format_lengths): Add new enumeration values + FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD. + * c-format.c (printf_length_specs, scanf_length_specs): Add + entries for H, D, DD. + (print_char_table, scan_char_table): Use new entries. + (asm_fprintf_char_table, gcc_diag_char_table, + gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer + length arrays. + * defaults.h (DECIMAL32_TYPE_SIZE): Define. + (DECIMAL64_TYPE_SIZE): Likewise. + (DECIMAL128_TYPE_SIZE): Likewise. + (TARGET_DEC_EVAL_METHOD): Likewise. + * doc/extend.texi (Decimal Float): New node. + (Constructing Calls): Document decimal float built-ins. + * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook. + * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h. + * ginclude/decfloat.h: New file. + +2005-12-16 Alan Modra + + * reload.c (find_reloads): Fix comment typo. + * recog.h (recog_memoized): Correct comment. + +2005-12-16 Kazu Hirata + + * basic-block.h, config/i386/winnt.c, config/pa/pa.c, + config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def, + reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c, + tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos. + * doc/invoke.texi, doc/tm.texi: Fix typos. + +2005-12-16 Ben Elliston + + * real.c (decimal_quad_format): Correct values for emin, emax. + +2005-12-15 DJ Delorie + + * config/m32c/predicates.md (m32c_psi_scale): New. + * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New. + * config/m32c/muldiv.md (mulpsi3): Support negative constants. + +2005-12-16 Jan Hubicka + + PR rtl-optimization/25224 + * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy + tables. + +2005-12-15 Zdenek Dvorak + Steven Bosscher + + * loop-invariant.c (df): New global variable. + (find_defs, check_dependencies, find_invariant_insn, record_uses, + find_invariants_bb, find_invariants_body, find_invariants, + find_invariants_to_move, move_invariants, free_inv_motion_data, + move_single_loop_invariants, move_loop_invariants): Do not pass df in + arguments. + +2005-12-15 Jakub Jelinek + + * varasm.c (default_unique_section_1): Use special section + names for SECCAT_DATA_REL{,_RO}{,_LOCAL}. + +2005-12-16 Ben Elliston + + * doc/invoke.texi (Warning Options): Document -Walways-true being + enabled by -Wall. + +2005-12-15 Joseph S. Myers + + PR other/25028 + * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define. + * libgcc2.c (__floatdixf, __floatundixf, __floatditf, + __floatunditf): Use #error if type sizes don't match requirements + of implementation. + (__floatdisf, __floatdidf): Unify. Possibly use XFmode or TFmode + as wider floating-point type. Use #error if type sizes don't + match requirements of implementation. Avoid overflow in computing + Wtype_MAXp1_F * Wtype_MAXp1_F. When special casing conversion, + shift one more bit. Cast 1 to DWtype or UDWtype for shifting. + (__floatundisf, __floatundidf): Likewise. + * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define. + * config/ia64/ia64.c (ia64_init_libfuncs): Use + _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for + TFmode-TImode conversions. + * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document. + +2005-12-14 Craig Rodrigues + + * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): + Use builtin_define_with_int_value() instead of + adding a new check for every new major FreeBSD version. + +2005-12-14 Andrew Pinski + + * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h. + +2005-12-15 Richard Sandiford + + * config/arm/predicates.md (call_memory_operand): New. + * config/arm/arm.md (*call_mem, *call_value_mem): Use it. + +2005-12-15 Andrew Haley + + * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard + against prev_cache_entry == NULL when moving a cache entry to the + head of the list. + +2005-12-15 Nathan Sidwell + + * config/mt/mt.c (mt_override_options): Require lower case + architectures. Revert accidental default to ms2. + * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC, + ENDFILE_SPEC): Require lower case architectures. Revert default + to ms2. + + * doc/invoke.texi (MT Options): Rename and update. + * doc/md.texi (MorphoTech family): Rename and update. + +2005-12-15 Olivier Hainque + + * stor-layout.c (layout_type): Don't complain about a too small + an array element type size compared to its alignment when the + size overflows. + +2005-12-15 Jan Hubicka + + PR target/24969 + * i386.c (classify_argument): Properly adjust offset of bitfield for + substructures. + +2005-12-15 Richard Sandiford + + * final.c (final_scan_insn): Flip in_cold_section_p when changing + between the hot and cold sections. Use current_function_section + to get the new section. + * dwarf2out.c (output_line_info): Use in_cold_section_p to + determine whether we are assembling hot or cold code. + (secname_for_decl, dwarf2out_var_location): Likewise. + (dwarf2out_init, dwarf2out_finish): Use switch_to_section. + * varasm.c (last_text_section): Delete. + (in_cold_section_p): New variable. + (hot_function_section): New function. + (current_function_section): Pass in_cold_section_p as the + reloc argument to select_section. Use it to decide between + unlikely_function_section and hot_function_section. + (assemble_start_function): Use switch_to_section. Set + in_cold_section_p instead of last_text_section. + (assemble_end_function): Use switch_to_section. + (switch_to_section): Don't set last_text_section. + * config/darwin/darwin.c (machopic_select_section): Trust the reloc + argument to make the right choice between hot and cold sections. + +2005-12-15 Nathan Sidwell + + Second part of MS1->MT renaming + * config/mt/mt.md (doloop_end): Call mt_add_loop. + (movqi, movhi): Call mt_set_memflags. + (*movdf_internal): Call mt_split_words. + (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call + mt_set_memflags. + (cmpsi): Store to mt_compare_op[01]. + (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge, + bungt, bunle, bunlt): Call mt_emit_cbranch. + (prologue): Call mt_expand_prologue. + (epilogu): Call mt_expend_epilogue. + (eh_return): Call mt_expand_eh_return. + (eh_epilogue): Call me_emit_eh_epilogue. + (conditional_trap): Store to mt_compare_op[01]. + * config/mt/crti.asm: Adjust comment. + * config/mt/crtn.asm: Adjust comment. + * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed. + (mt_compare_op0, mt_compare_op1): Renamed. + (current_frame_info, zero_frame_info): Adjust type. + (mt_ucmpsi3_libcall): Renamed. + (mt_flag_delayed_branch): Renamed. + (mt_struct_value_rtx, mt_return_addr_rtx): Renamed. + (mt_nops_required, mt_nop_reasons): Renamed. + (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn, + mt_debug_stack, mt_print_operand_simple_address, + mt_print_operand_address, mt_print_operand): Renamed, adjusted. + (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg, + mt_function_arg_advance, mt_arg_partial_bytes, + mt_pass_by_reference, mt_function_arg_boundary, + mt_reg_ok_for_base_p, mt_legitimate_simple_address_p, + mt_legitimate_address_p): Renamed, adjusted. + (mt_cpu): Renamed. + (mt_init_machine_status, mt_override_options, mt_builtin_saveregs, + mt_va_start, mt_compute_frame_size, mt_emit_save_restore, + mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, + mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue, + mt_expand_eh_return, mt_emit_eh_prologue, + mt_handl_interrupt_attribute): Renamed, adjusted. + (mt_attribute_table): Renamed, adjusted. + (mt_initial_elimination_offset, mt_generate_compare, + mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags, + mt_secondary_reload_class, mt_function_value, mt_split_words, + mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length, + mt_scan_loop, mt_reorg_loops): Renamed, adjusted. + (mt_labels): Renamed. + (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard, + mt_machine_reorg): Renamed, adjusted. + (mt_attribute_table: Renamed. + (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX, + TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK, + TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust. + * config/mt/mt.opt (march): Set mt_cpu_string. + * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed. + (TARGET_CPU_CPP_BUILTINS): Adjust. + (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003, + TARGET_MS2): Adjust. + (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust. + (MT_MIN_INT): Renamed. + (RETURN_ADDR_RTX): Adjust. + (struct mt_frame_info): Renamed. + (current_frame_info): Adjust type. + (INITIAL_ELIMINATION_OFFSET): Adjust. + (MT_NUM_ARG_REGS): Renamed. + (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS, + FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE, + LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START, + GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE, + FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust. + (mt_compare_op0, mt_compare_op1): Renamed. + * config/mt/mt-protos.h: Rename prototypes. + +2005-12-15 Richard Guenther + + * tree-flow.h (okay_component_ref_for_subvars): Remove. + (get_ref_base_and_extent): Declare. + * tree-dfa.c (okay_component_ref_for_subvars): Remove. + (get_ref_base_and_extent): New function. + * tree-ssa-alias.c (find_used_portions): Use it. + * tree-ssa-structalias.c (get_constraint_for_component_ref): + Likewise. + * tree-ssa-operands.c (get_expr_operands): Likewise. + +2005-12-15 Paolo Bonzini + + * combine.c: Remove force_to_mode's fourth parameter. + (force_to_mode): Do not handle REG. + (canon_reg_for_combine): New. + (make_field_assignment): Use it where the removed argument was non-NULL. + +2005-12-15 Alan Modra + + PR target/25406 + * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle + error_mark_node. Make alignment params unsigned. + * config/rs6000/rs6000-protos.h + (rs6000_special_round_type_align): Update prototype. + (rs6000_machopic_legitimize_pic_address): Remove arg names. + +2005-12-14 Ulrich Weigand + + PR rtl-optimization/25310 + * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs + of the eliminable register when substituting into a PLUS. + +2005-12-14 Jakub Jelinek + + PR debug/25023 + * config/i386/i386.c (ix86_force_to_memory): Always use + SImode push for HImode in -m32. + (ix86_free_from_memory): Likewise. + +2005-12-14 Richard Sandiford + + * config/arm/arm.md: Provide a big-endian version of the + (zero_extend:SI (subreg:QI ...)) splitter. + +2005-12-14 J"orn Rennecke + + * struct-equiv.c (note_local_live): Handle hard regs with different + hard_regno_nregs. + +2005-12-14 Jeff Law + + * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer + to a structure containing state rather than a pointer to bool. + (case ARRAY_REF): New code to handle folding some array references. + (case ADDR_EXPR): Note when we are processing expressions found + within an ADDRE_EXPR. + (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r + for state variables rather than just a pointer to a boolean. + * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove + handling of constant string references. + +2005-12-14 Adrian Straetling + + * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge. + ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge. + ("*tstdi_cconly2", "*tstsi_cconly2"): Merge. + Move other tst* patterns to retain partial order. + +2005-12-14 Adrian Straetling + + * config/s390/s390.md ("d0", "1"): New mode attributes. + ("di3", "si3"): Merge. + ("*di3_and", "*si3_and"): Merge. + ("ashrdi3", "ashrsi3"): Merge. + ("*ashrdi3_cc", "*ashrsi3_cc"): Merge. + ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge. + ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge. + ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge. + ("*ashrdi3", "*ashrsi3"): Merge. + ("*ashrdi3_and", "*ashrsi3_and"): Merge. + +2005-12-14 Adrian Straetling + + * config/s390/s390.md ("extenddi2", "extendsi2"): Merge. + ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge. + ("*extendqidi2", "*extendqisi2") Merge. + ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge. + ("zero_extendhidi2", "zero_extendqidi2"): Merge. + ("*zero_extenddi2_extimm", "*zero_extendsi2_extimm"): Merge. + Move some patterns to retain partial ordering. + +2005-12-14 Adrian Straetling + + * config/s390/s390.md ("atype", "length"): Rewrite. + ("*insv_reg_imm", "*insv_reg_extimm"): Add mode. + +2005-12-14 Sebastian Pop + + * tree-ssa-operands.c (build_ssa_operands): Update leading comment. + +2005-12-14 J"orn Rennecke + + * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for + PARALLELs with a mode. + +2005-12-14 Sebastian Pop + + * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of + cond_expr parameter. + +2005-12-14 Sebastian Pop + + * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning. + +2005-12-14 J"orn Rennecke + + PR bootstrap/25397: + + * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing + of STACK_REGS bits. + + * struct-euiv.c (rtx_equiv_p): Remove SUBREG case. + +2005-12-14 Jakub Jelinek + + PR target/25254 + PR target/24188 + * config/i386/i386.c (x86_64_elf_select_section): If DECL is not + DECL_P, call get_section rather than get_named_section. Supply + section flags to it. + +2005-12-14 Ben Elliston + + * c-common.c (c_common_truthvalue_conversion): Generalise warning + for addresses converted to booleans; not just function addresses. + * c-typeck.c (build_binary_op): Warn for address comparisons which + can never be NULL (eg. func == NULL or &var == NULL). + * common.opt (Walways-true): New option. + * c-opts.c (c_common_handle_option): Set it with -Wall. + * doc/invoke.texi: Document it. + +2005-12-13 Paul Brook + + * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2, + __floatunsidf, __floatunsisf, __floatunsixf): New functions. + +2005-12-13 Nathan Sidwell + + * config/mt/t-mt (crti.o, crtn.o): Add multilib options. + (EXTRA_MULTILIB_PARTS): Define. + +2005-12-13 J"orn Rennecke + + PR rtl-optimization/20070 / part1 + * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call + count_or_remove_death_notes with kill == -1. + (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack + registers if PROP_POST_REGSTACK is set. + (mark_used_reg): Likewise. + (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD / + REG_UNUSED notes for stack regs. + * cfgcleanup.c (condjump_equiv_p): Change parameters and processing + to match rtx_equiv_p machinery. Change caller. + (outgoing_edges_match): Likewise. + (try_crossjump_to_edge): Use struct_equiv_block_eq + instead of flow_find_cross_jump. + * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define. + (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise. + (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise. + (STRUCT_EQUIV_MAX_LOCAL): Likewise. + (struct struct_equiv_checkpoint, struct equiv_info): Likewise. + (insns_match_p): Update prototype. + (flow_find_cross_jump): Remove prototype. + (struct_equiv_block_eq, struct_equiv_init): Declare. + (rtx_equiv_p, condjump_equiv_p): Likewise. + * struct-equiv.c: Include reload.h. + (IMPOSSIBLE_MOVE_FACTOR): Define. + (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions. + (struct_equiv_improve_checkpoint): Likewise. + (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise. + (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise. + (struct_equiv_merge, find_dying_input): Likewise. + (resolve_input_conflict, note_local_live): Likewise. + (death_notes_match_p): Change parameters and processing + to match rtx_equiv_p machinery. Change caller. + (insns_match_p): Likewise. + (flow_find_cross_jump): Replace with: + (struct_equiv_block_eq). + + Back out this change: + 2005-03-07 Kazu Hirata + * recog.c (verify_changes): Make it static. + * recog.h: Remove the corresponding prototype. + +2005-12-13 J"orn Rennecke + + * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point + values. + +2005-12-13 Nathan Sidwell + + * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2 + (MULTILIB_DIRNAMES): Add ms2. Prefix ms1 dirs with 'ms1'. + * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2, + TARGET_MS1_64_001 appropriately. + (ms1_machine_reorg): Use TARGET_MS2. + +2005-12-13 Jakub Jelinek + + PR debug/25023 + PR target/25293 + * expr.c (emit_move_resolve_push): Handle PRE_MODIFY + and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING. + Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity. + * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw. + Set mode to SI, adjust constraints. + (pushhi2_rex64, pushqi2_rex64): Set mode to DI. + * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for + 32-bit code. + +2005-12-13 Carlos O'Donell + + * c-cppbuiltin.c (builtin_define_float_constants): Add + fp_cast parameter, pass to builtin_define_with_hex_fp_value. + Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__. + (builtin_define_with_hex_fp_value): Use fp_cast when building macro. + (c_cpp_builtins): If flag_single_precision_constant then set fp_cast + to "((double)%sL)" otherwise "%s". + +2005-12-13 Paul Brook + + * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for + apcs/atpcs. + +2005-12-11 Rafael vila de Espndola + + * tree-flow.h: Allow compilation with a C++ compiler. + (struct edge_prediction): Prefix all field names with "ep_". + * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction. + (tree_predict_edge, combine_predictions_for_bb): Likewise. + (remove_predictions_associated_with_edge): Likewise. + +2005-12-12 Jeff Law + + * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove + reassociation code. + * passes.c (init_optimization_passes): Run reassociation again + after loop optimizations. + +2005-12-12 Daniel Berlin + + * tree-ssa-dom.c (thread_across_edge): Canonicalize condition + if necessary. + (optimize_stmt): Ditto. + (canonicalize_comparison): New function. + * tree-ssa-operands.c (swap_tree_operands): Make external. + (get_expr_operands): Stop auto-canonicalization. + * tree-ssa-reassoc.c: Rewrite. + (init_optimization_passes): + * tree-flow.h (swap_tree_operands): Prototype. + * Makefile.in (tree-ssa-reassoc.o): Update dependencies. + +2005-12-12 John David Anglin + + * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to + indicate function epilogue has been output. + (pa_asm_output_mi_thunk): Likewise. + (output_deferred_plabels): Put plabels in readonly data section when + not generating PIC code. + (som_output_text_section_asm_op): Use .NSUBSPA to output debug + information. Add assert. + (som_output_comdat_data_section_asm_op): New function. + (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op + instead of output_section_asm_op for COMDAT sections. + +2005-12-12 J"orn Rennecke + + * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge): + Fix whitespace in vincinity of to-be-installed changes. + * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace. + (insns_match_p): Likewise. + +2005-12-12 Nathan Sidwell + + * config.gcc (ms1): Replace with ... + (mt): ... this. + * config/ms1: Rename to ... + * config/mt: ... here. Rename ms1 files to mt. + * config/mt/mt.c: Adjust gt-mt.h #include. + * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust. + (crti.o, crtn.o): Adjust file names. + +2005-12-12 Gabriel Dos Reis + + * varray.h: Allow compilation with a C++ compiler. + (union varray_data_tag): Prefix all field names with "vdt_". + (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT, + VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG, + VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR, + VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX, + VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB, + VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition. + (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT, + VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, + VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, + VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, + VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, + VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, + VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, + VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise. + (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, + VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, + VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, + VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, + VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, + VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, + VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, + VARRAY_TOP_TREE_PTR): Likewise. + * varray.c (varray_grow): Likewise. + (varray_clear): Likewise. + +2005-12-12 Alan Modra + + PR target/25299 + * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase + alignment to doubleword if the first field is a double array. + * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define. + +2005-12-11 Daniel Berlin + + * tree-ssa-structalias.c (process_constraint): Remove code to + transform addressofs into scalar. + (create_variable_info_for): In whole-program IPA, globals don't + point to ANYTHING by default. + +2005-12-11 Daniel Berlin + + * timevar.def (TV_IPA_PTA): New. + * tree-pass.h (pass_ipa_pta): New + * tree-ssa-structalias.c: Include cgraph.h + (in_ipa_mode): New. + (predbitmap_obstack): New. + (EXECUTE_IF_IN_NONNULL_BITMAP): New. + (struct constraint_stats): Add num_edges. + (new_var_info): Don't call bitmap_clear. + (struct constraint_edge): Update docs. + (new_constraint_edge): Remove src param. + (struct constraint_graph): Add zero_weight_succs, + zero_weight_preds. Update docs. + (constraint_expr_equal): Reformat. + (constraint_edge_equal): Update for removal of src. + (constraint_edge_less): Ditto. + (constraint_edge_vec_find): Ditto. + (erase_graph_self_edge): Update for removal of src and and zero + weight bitmap. + (clear_edges_for_node): Ditto. + (add_graph_edge): Ditto. + (get_graph_weights): Ditto. + (allocate_graph_weights): Ditto. + (merge_graph_nodes): Ditto. + (int_add_graph_edge): Ditto. + (valid_graph_edge): Ditto. + (valid_weighted_graph_edge): Ditto. + (build_constraint_graph): Ditto. + (scc_visit): Ditto. + (collapse_nodes): Ditto. + (process_unification_queue): Ditto. + (topo_visit): Ditto. + (solve_graph): Ditto. + (do_structure_copy): Ditto. + (perform_var_substitution): Ditto. + Init and release obstack. + (handle_ptr_arith): Try to resolve directly. + (find_func_aliases): Don't call update_alias_info here + Handle RETURN_EXPR, and CALL_EXPR's in IPA mode. + (do_sd_constraint): Add code for propagating faster. + Update. + (do_ds_constraint): Ditto. + (count_num_arguments): New function. + (create_function_info_for): Ditto. + (create_variable_info_for): Handle FUNCTION_DECL. + (intra_create_variable_infos): Use make_constraint_to_anything. + (init_alias_vars): Init obstacks here. + (need_to_solve): Handle zero weight graph changes. + (compute_points_to_sets): Call update_alias_info here. + (delete_points_to_sets): Free zero weight preds/succs here. + (gate_ipa_pta): New. + (ipa_pta_execute): New + +2005-12-11 Daniel Berlin + + * tree-ssa-structalias.c (var_anyoffset): Removed. + (anyoffset_tree): Ditto. + (anyoffset_id): Ditto. + (do_deref): Take vector of constraints, no return value. + Update to work on vector. + (get_constraint_for): Ditto. + (get_constraint_for_component_ref): Ditto. + (do_structure_copy): Ditto. + (handle_ptr_arith): Ditto. + (find_func_aliases): Ditto. + (set_uids_in_ptset): Remove anyoffset handling. + (init_base_vars): Ditto. + +2005-12-10 Mark Mitchell + + PR c++/25010 + * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that + DECL_EXTERNAL functions have no bodies. Tidy. + +2005-12-10 Andreas Schwab + + * except.c (switch_to_exception_section): Only define if + TARGET_UNWIND_INFO is not defined. + +2005-12-10 Richard Sandiford + + * config/darwin.h (HAS_INIT_SECTION): Remove definition. + (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07. + +2005-12-10 Richard Sandiford + + * output.h (init_section, fini_section): Delete. + * varasm.c (init_section, fini_section): Delete. + (init_varasm_once): Don't initialize them. + * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that + there are no corresponding varasm.c variables. + +2005-12-10 Richard Sandiford + + * dwarf2out.c (default_eh_frame_section): Delete, moving handling + of EH_FRAME_SECTION_NAME into... + (switch_to_eh_frame_section): ...here. Try to set eh_frame_section + if it is still null. + * except.c (default_exception_section): Delete, moving most + of the code to... + (switch_to_exception_section): ...this new function. Set + exception_section if it is still null, then switch to it. + (output_function_exception_table): Use switch_to_exception_section. + * varasm.c (exception_section, eh_frame_section): Update comments. + (get_section): Hoist use of SECTION_NAMED. + (init_varasm_once): Don't set exception_section and eh_frame_section. + * output.h (default_exception_section): Delete. + (default_eh_frame_section): Delete. + +2005-12-09 Bernd Schmidt + + * config/bfin/bfin.c: Include "cgraph.h". + (bfin_load_pic_reg): Omit loading pic reg if in a local function. + Return the reg that holds the pointer to the GOT. + (bfin_expand_prologue): Use return value of bfin_load_pic_reg when + doing stack checking. + +2005-12-09 Diego Novillo + + * tree.c (recompute_tree_invariant_for_addr_expr): Rename from + recompute_tree_invarant_for_addr_expr. + Update uses everywhere. + +2005-12-09 Aldy Hernandez + + * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define. + (MULTILIB_DIRNAMES): Define. + +2005-12-09 Ulrich Weigand + + PR target/25311 + * config/s390/s390.c (struct s390_address): New field literal_pool. + (s390_decompose_address): Compute literal_pool field. Do not + assume register %r13 is always (and solely) used as pool base. + (s390_extra_constraint_str): Use literal_pool field. + +2005-12-09 Thiemo Seufer + + * config/mips/mips.c (override_options): Don't allow too small + integers in FP registers. + +2005-12-09 Ulrich Weigand + + * config/s390/s390.c (s390_function_ok_for_sibcall): Use + targetm.binds_local_p to check for local function calls. + +2005-12-09 Alan Modra + + PR debug/24908 + * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that + call_used_regs can't be used to save reg in another reg. + +2005-12-08 Volker Reichelt + Christophe Jaillet + + * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of + abort. + * except.c (output_ttype): Likewise. + * tree-object-size.c (collect_object_sizes_for): Likewise. + (check_for_plus_in_loops_1): Likewise. + (check_for_plus_in_loops): Likewise. + (compute_object_sizes): Use gcc_unreachable instead of abort. + +2005-12-08 Nathan Sidwell + + * config/ms1/ms1.md (UNSPEC_LOOP): New constant. + (loop_end, loop_init, doloop_end): New insns. + * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New. + (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust. + (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust. + (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust. + * config/ms1/ms1.c: #include basic-block.h + (struct machine_function): Add has_loops field. + (ms1_add_loop): New. + (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New. + (struct loop_info, struct loop_work): New. + (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers. + (ms1_reorg_loops): New loop optimization. + (ms1_machine_reorg): Call it. + * config/ms1/ms1-protos.h (ms1_add_loop): Declare. + +2005-12-08 Zdenek Dvorak + + PR tree-optimization/25248 + * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use + evolution_of_loop from the failed attempt. Remove handling + of MULT_EXPR. + +2005-12-08 Gabriel Dos Reis + + * tree.h (DECL_EXTERNAL): Clarify documentation. + +2005-12-08 Andreas Krebbel + Jakub Jelinek + + PR target/25268 + * config/s390/s390.c (s390_decompose_shift_count): Remove BITS + argument. Don't drop outer ANDs. + (s390_extra_constraint_str, print_shift_count_operand): Adjust callers. + * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust + prototype. + * config/s390/predicates.md (setmem_operand): Remove. + (shift_count_operand): Rename to... + (shift_count_or_setmem_operand): ... this. Adjust + s390_decompose_shift_count caller. + * config/s390/s390.md (di3_31_and, di3_64_and, + ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and, + ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and, + si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and, + rotl3_and, setmem_long_and): New insns. + (di3_31, di3_64, ashrdi3_cc_31, ashrdi3_cconly_31, + ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64, + si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl3, + di3, ashrdi3): Use shift_count_or_setmem_operand instead + of shift_count_operand. + (setmem_long): Use shift_count_or_setmem_operand instead of + setmem_operand. + +2005-12-08 Daniel Jacobowitz + Andreas Tobler + + * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable + tr expression. + +2005-12-07 J"orn Rennecke + + * expr.c (force_operand): Use convert_to_mode for conversions. + +2005-12-07 J"orn Rennecke + + * reload.h (reg_equiv_invariant): Declare. + * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo + register also when reg_equiv_invariant[R] is set. + +2005-12-07 Richard Sandiford + Andreas Tobler + + * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET. + +2005-12-07 Daniel Berlin + + * tree-ssa-pre.c (bitmap_set_and): New function. + (bitmap_set_and_compl): New function. + (bitmap_set_empty_p): New function. + (insert_extra_phis): New function. + (compute_avail): Use insert_extra_phis. + +2005-12-07 Adrian Straetling + + * config/s390/s390.c (s390_expand_atomic): New function. + Adjust comment of helper functions. + * config/s390/s390-protos.h (s390_expand_atomic): Declare. + * config/s390/s390.md ("ATOMIC"): New code macro. + ("atomic"): Corresponding new code attribute. + ("sync_lock_test_and_set[hq]i", + "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern. + +2005-12-07 Adrian Straetling + + * config/s390/s390.c (s390_expand_mask_and_shift, + struct alignment_context, init_alignment_context, + s390_expand_cs_hqi): New. + * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare. + * config/s390/s390.md ("sync_compare_and_swaphi", + "sync_compare_and_swapqi"): New pattern. + +2005-12-07 Daniel Berlin + + Fix PR tree-optimization/25291 + * tree-ssa-operands.c (add_call_clobber_ops): Remove + redundant and crashing check. + +2005-12-08 Alan Modra + + PR target/25212 + * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax + tests further when !strict && reload_in_progress. + (print_operand): Check that both operands of indexed address are regs. + (print_operand_address): Likewise. + * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify. + (INT_REG_OK_FOR_BASE_P): Correct. + +2005-12-07 J"orn Rennecke + + Preparation for PR rtl-optimization/20070 / part1 + * basic-block.h (insns_match_p, flow_find_cross_jump): Declare. + * cfgcleanup.c (condjump_equiv_p): New function, broken out of + outgoing_edges_match. + (outgoing_edges_match): Use condjump_equiv_p. + (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here + into.. + * struct-equiv.c: New file. + (death_notes_match_p) New function, broken out of insns_match_p. + * Makefile.in (OBJS-common): Add struct-equiv.o. + (struct-equiv.o): New target. + +2005-12-07 Richard Sandiford + + * coretypes.h: Revert previous change. + * config/darwin.h: Revert previous reversion. + * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2. + +2005-12-07 Richard Sandiford + + * coretypes.h (section): Provide dummy definition for target files. + * config/darwin.h: Revert previous change. + +2005-12-07 Rafael vila de Espndola + + * doc/sourcebuild.texi (all.build, install-normal): Remove. + * configure.ac: Remove all.build and install-normal from target_list + * configure: Regenerate. + * Makefile.in (install): Don't depend on install-normal. + +2005-12-07 Rafael vila de Espndola + + * Makefile.in: Document the use of stamps. + +2005-12-07 Rafael vila de Espndola + + * doc/gty.texi: Remove instructions for adding a dependency on s-gtype. + * Makefile.in: Add code to compute some dependencies on s-gtype + automatically. Remove the declaration of those dependencies. + +2005-12-07 Richard Sandiford + + * reload.c (push_secondary_reload): Fix typo: + s/insn_constraint/scratch_constraint/. + +2005-12-07 Richard Sandiford + + * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2. + +2005-12-07 Richard Sandiford + + * config/alpha/alpha.c (alpha_start_function): Use switch_to_section. + (alpha_elf_select_rtx_section): Return the selected section rather + than emitting assembly code. + (alpha_write_linkage): Emit a ".link" directive directly and then + set in_section to NULL. + (vms_asm_out_constructor): Use switch_to_section. + (vms_asm_out_destructor): Likewise. + (unicosmk_output_common): Set in_section to NULL instead of calling + the dummy common_section function. + (unicosmk_text_section): Delete in favor of... + (unicosmk_output_text_section_asm_op): ...this new function. + (unicosmk_data_section): Delete in favor of... + (unicosmk_output_data_section_asm_op): ...this new function. + (unicosmk_init_sections): New function. + (unicosmk_output_deferred_case_vectors): Use switch_to_section. + (unicosmk_output_ssib): Set in_section to NULL instead of calling + the dummy ssib_section function. + (unicosmk_section_buf): Delete. + * config/alpha/alpha-protos.h (unicosmk_text_section): Delete. + (unicosmk_data_section): Delete. + * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section. + (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section) + (SECTION_FUNCTION_TEMPLATE): Delete. + * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP) + (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS) + (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete. + (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section. + (TARGET_ASM_INIT_SECTIONS): Define. + * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP) + (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete. + (link_section, literals_section): Delete. + (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then + set in_section to NULL. + + * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete. + (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete. + (COMMON_SECTION): Delete. + (TARGET_ASM_INIT_SECTIONS): Define. + (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling + the dummy common_section function. + * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section. + * config/arm/arm.c (get_jump_table_size): Use pointer comparison + between readonly_data_section and text_section to check whether + read-only data is being put in the text section. + (arm_output_function_epilogue): Use switch_to_section. + (arm_elf_asm_constructor): Likewise. + (thumb_call_via_reg): Replace call to in_text_section with + a comparison between in_section and text_section. + (arm_file_end): Use switch_to_section. + (aof_text_section): Delete in favor of... + (aof_output_text_section_asm_op): ...this new function. + (aof_data_section): Delete in favor of... + (aof_output_data_section_asm_op): ...this new function. + (aof_asm_init_sections): New function. + (zero_init_section): Moved from config/arm/aof.h. + (aof_dump_imports, aof_file_start): Use switch_to_section. + * config/arm/arm.h (thumb_call_via_label): Update comment. + * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete. + (common_section): Delete. + * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section. + (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the + global switch_to_section function instead of the old port-local one. + (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION) + (SWITCH_TO_SECTION_FUNCTION): Delete. + (drectve_section): Redefine as a macro. + * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS): + (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and + switch_to_section. + + * config/avr/avr.c (progmem_section): New variable. + (avr_output_progmem_section_asm_op): New function. + (avr_asm_init_sections): New function. + (avr_output_addr_vec_elt): Use switch_to_section. + * config/avr/avr.h (progmem_section): Declare. + (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete. + (READONLY_DATA_SECTION): Delete. + (TARGET_ASM_INIT_SECTIONS): Define. + (ASM_OUTPUT_CASE_LABEL): Use switch_to_section. + * config/avr/avr-protos.h (progmem_section): Delete. + + * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section. + + * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS) + (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete. + + * config/darwin-sections.def: New file. + * config/darwin.c: Define all sections in darwin-sections.def. + (output_objc_section_asm_op, darwin_init_sections): New functions. + (machopic_output_indirection): Use switch_to_section. + (machopic_select_section): Return the selected section rather than + emitting assembly code. Replace the static function table with + inline conditional expressions. Update the tests of last_text_section + and move them into the FUNCTION_DECL block. + (machopic_select_rtx_section): Return the selected section rather than + emitting assembly code. + (machopic_asm_out_constructor, machopic_asm_out_destructor) + (darwin_file_end): Use switch_to_section. + * config/darwin.h: Use darwin-sections.def to declare sections. + (INIT_SECTION_ASM_OP): Remove empty definition. + (HAS_INIT_SECTION): Define this instead. + (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete. + (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete. + (TARGET_ASM_EH_FRAME_SECTION): Delete. + (TARGET_ASM_INIT_SECTIONS): Define. + * config/darwin-protos.h (darwin_init_sections): Declare. + (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section) + (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete. + (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section) + (constructor_section, destructor_section, mod_init_section): Delete. + (mod_term_section): Delete. + (darwin_exception_section, darwin_eh_frame_section): Delete. + (machopic_select_section): Return a section. + (machopic_select_rtx_section): Likewise. + (text_coal_section, text_unlikely_section, text_unlikely_coal_section) + (const_section, const_coal_section, const_data_section): Delete. + (const_data_coal_section, data_coal_section, cstring_section): Delete. + (literal4_section, literal8_section, constructor_section): Delete. + (mod_init_section, mod_term_section, destructor_section): Delete. + (objc_class_section, objc_meta_class_section, objc_category_section) + (objc_class_vars_section, objc_instance_vars_section): Delete. + (objc_cls_meth_section, objc_inst_meth_section): Delete. + (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete. + (objc_selector_refs_section, objc_selector_fixup_section): Delete. + (objc_symbols_section, objc_module_info_section): Delete. + (objc_image_info_section, objc_protocol_section): Delete. + (objc_string_object_section, objc_constant_string_object_section) + (objc_class_names_section, objc_meth_var_names_section): Delete. + (objc_meth_var_types_section, objc_cls_refs_section): Delete. + (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section) + (machopic_symbol_stub_section, machopic_picsymbol_stub_section) + (darwin_exception_section, darwin_eh_frame_section): Delete. + * config/t-darwin (darwin.o): Depend on config/darwin-sections.def. + + * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section. + (frv_asm_out_destructor): Likewise. + * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete. + (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete. + (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and + get_named_section. + (ASM_OUTPUT_CASE_LABEL): Use switch_to_section. + * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section) + (data_section): Delete. + + * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS) + (DRECTVE_SECTION_FUNCTION): Delete. + (drectve_section): Redefine as a macro that sets in_section after + emitting the directive. + (SWITCH_TO_SECTION_FUNCTION): Delete. + * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to + in_text_section with comparison between in_section and text_section. + * config/i386/i386.c (x86_64_elf_select_section): Return the section + rather than emitting assembly code. Use get_named_section. + (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and + get_named_section. + (machopic_output_stub): Use switch_to_section. + * config/i386/nwld.c (nwld_named_section_asm_out_constructor) + (nwld_named_section_asm_out_destructor): Use get_section and + switch_to_section. + + * config/ia64/ia64.c (ia64_select_rtx_section): Return the section + rather than emitting assembly code. + (ia64_rwreloc_select_section): Likewise. + (ia64_rwreloc_select_rtx_section): Likewise. + * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete. + * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use + switch_to_section. + (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete. + (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete. + + * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the + section rather than emitting assembly code. + (iq2000_select_section): Likewise. + * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete. + (sbss_section): Delete. + + * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section + and get_named_section. + * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete. + + * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete. + (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete. + (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete. + (MCORE_EXPORT_NAME): Emit the exports directive directly, then set + in_section to NULL. + (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section. + (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the + global switch_to_section function instead of the old port-local one. + * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS) + (SWITCH_SECTION_FUNCTION): Delete. + * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete. + (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete. + (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete. + (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set + in_section to NULL. + (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the + global switch_to_section function instead of the old port-local one. + (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section. + + * config/mips/mips.c (mips_file_start): Update comment. + (mips_output_aligned_bss): Use switch_to_section and get_named_section. + (mips_output_aligned_decl_common): Use switch_to_section. + (mips_select_rtx_section): Return the section rather than emitting + assembly code. Use get_named_section. + (mips_function_rodata_section: Likewise get_section. + (build_mips16_function_stub): Use switch_to_section. + * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section. + (SDATA_SECTION_ASM_OP): Delete. + * config/mips/vxworks.h (EXTRA_SECTIONS): Delete. + (EXTRA_SECTION_FUNCTIONS): Delete. + + * config/mmix/mmix.c (mmix_file_start, mmix_file_end) + (mmix_asm_output_aligned_local): Use switch_to_section. + + * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section) + (som_one_only_readonly_data_section): New variables. + (pa_output_function_epilogue): Set in_section to NULL instead of + calling forget_section. + (output_deferred_plabels): Use select_section. + (pa_asm_output_mi_thunk): Likewise. Set in_section to NULL instead + of calling forget_section. + (pa_asm_output_aligned_bss, pa_asm_output_aligned_common) + (pa_asm_output_aligned_local): Use select_section. + (som_text_section_asm_op): Delete in favor of... + (som_output_text_section_asm_op): ...this new function. + (pa_som_asm_init_sections): New function. + (pa_select_section): Return the section rather than emitting + assembly code. + * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete. + (SOM_READONLY_DATA_SECTION_FUNCTION): Delete. + (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete. + (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete. + * config/pa/pa-protos.h (som_text_section_asm_op): Delete. + (som_readonly_data_section, som_one_only_readonly_data_section) + (som_one_only_data_section, forget_section): Delete. + * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete. + (TARGET_ASM_INIT_SECTIONS): Define. + (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete. + + * config/rs6000/rs6000.c (read_only_data_section): New variable. + (private_data_section, read_only_private_data_section): New variables. + (sdata2_section, toc_section): New variables. + (rs6000_file_start): Use switch_to_section. + (rs6000_assemble_integer): Use comparisons against in_section + instead of calling in_toc_section and in_text_section. Use + unlikely_text_section_p. + (rs6000_elf_output_toc_section_asm_op): New function, derived + from the old rs6000/sysv4.h toc_section function. + (rs6000_elf_asm_init_sections): New function. + (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return + the section rather than emitting assembly code. + (machopic_output_stub): Use switch_to_section. + (toc_section): Delete dummy function. + (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use + switch_to_section and get_section. + (rs6000_xcoff_output_readonly_section_asm_op): New function. + (rs6000_xcoff_output_readwrite_section_asm_op): New function. + (rs6000_xcoff_output_toc_section_asm_op): New function, derived from + the old rs6000/xcoff.h toc_section function. + (rs6000_xcoff_asm_init_sections): New function. + (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return + the section rather than emitting assembly code. + (rs6000_xcoff_file_start): Use switch_to_section. + (rs6000_xcoff_file_end): Likewise. + * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete. + (sdata2_section, sbss_section, private_data_section): Delete. + (read_only_data_section, read_only_private_data_section): Delete. + * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS) + (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION) + (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete. + (FINI_SECTION_FUNCTION): Delete. + (TARGET_ASM_INIT_SECTIONS): Define. + (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section. + * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS) + (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION) + (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION) + (READONLY_DATA_SECTION): Delete. + (TARGET_ASM_INIT_SECTIONS): Define. + (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section. Set in_section + to NULL rather than no_section. + (TARGET_ASM_EXCEPTION_SECTION): Delete. + + * config/sh/sh.c (sh_file_start): Use switch_to_section. + + * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section. + (sparc_output_deferred_case_vectors): Likewise. Remove argument + from call to current_function_section. + + * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h. + (bss100_section): New variable. + (xstormy16_asm_output_aligned_common): Use switch_to_section. + (xstormy16_asm_init_sections): New function. + (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use + switch_to_section and get_section. + (xstormy16_output_addr_vec): Use switch_to_section. Remove argument + from calls to current_function_section. + * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete. + (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete. + (TARGET_ASM_INIT_SECTIONS): Define. + * config/stormy16/stormy16-protos.h (bss100_section): Delete. + + * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section. + (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION) + (FINI_SECTION_FUNCTION): Delete. + + * config/v850/v850.c: Include gt-v850.h. + (rosdata_section, rozdata_section, tdata_section, zdata_section) + (zbss_section): New variables. + (v850_output_aligned_bss): Use switch_to_section. + (v850_asm_init_sections): New function. + (v850_select_section): Return the section rather than emitting + assembly code. + * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS) + (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP) + (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete. + (TARGET_ASM_INIT_SECTIONS): Define. + * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete. + (sbss_section, tdata_section, zdata_section, rozdata_section): Delete. + (zbss_section): Delete. + + * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section. + + * config/vx-common.h (vxworks_exception_section): Delete. + (TARGET_ASM_EXCEPTION_SECTION): Delete. + + * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the + section rather than emitting assembly code. + * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use + switch_to_section. + + * Makefile.in (GTFILES): Add $(srcdir)/output.h. + * coretypes.h (section): New union and typedef. + * dbxout.c (FORCE_TEXT): Use switch_to_section. Remove argument + from call to current_function_section. + (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish) + (dbxout_symbol_location): Use switch_to_section. + * dwarf2out.c (named_section_eh_frame_section): Delete, moving + most of the code into... + (default_eh_frame_section): ...here. Return a section. + (collect2_eh_frame_section): Delete, moving most of the code into.. + (switch_to_eh_frame_section): ...this new function. + (debug_info_section, debug_abbrev_section, debug_aranges_section) + (debug_macinfo_section, debug_line_section, debug_loc_section) + (debug_pubnames_section, debug_str_section, debug_ranges_section): New + variables. + (output_call_frame_info): Call switch_to_eh_frame_section instead of + eh_frame_section. Use switch_to_section and get_section. + (dwarf2out_begin_prologue): Use switch_to_section. + (AT_string_form): Check the flags in debug_str_section instead of + DEBUG_STR_SECTION_FLAGS. + (output_comp_unit): Use switch_to_section, get_section, and + debug_info_section. + (output_line_info, secname_for_decl): Use unlikely_text_section_p. + (dwarf2out_begin_block): Use switch_to_section. Remove argument + from call to current_function_section. + (dwarf2out_var_location): Use unlikely_text_section_p. + (dwarf2out_source_line): Use switch_to_section. Remove argument + from call to current_function_section. + (dwarf2out_start_source_file, dwarf2out_end_source_file) + (dwarf2out_define, dwarf2out_undef: Use switch_to_section and + debug_macinfo_section. + (dwarf2out_init): Initialize the new section variables. Use them + instead of calls to named_section_flags. Use switch_to_section. + (output_indirect_string): Use switch_to_section and debug_str_section. + (dwarf2out_finish): Use switch_to_section and the new section + variables. + * except.c (default_exception_section): Return the section instead + of emitting assembly code. + (output_function_exception_table): Use the global exception_section + variable instead of the target hook. Use switch_to_section. Remove + argument from call to current_function_section. + * final.c (HAVE_READONLY_DATA_SECTION): Delete. + (shorten_branches): Use pointer comparisons to detect whether the + text section is the same as readonly_data_section. + (profile_function): Use switch_to_section. Remove argument from + call to current_function_section. + (final_scan_insn): Likewise. Update use of last_text_section. + * gengtype.c (open_base_files): Add an include of output.h. + * output.h (text_section, data_section, readonly_data_section) + (ctors_section, dtors_section, bss_section, init_section) + (fini_section, sdata_section): Turn into section pointers. + (in_text_section, in_unlikely_text_section, exports_section) + (drectve_section, named_section, mergeable_string_section) + (last_text_section_name): Delete. + (default_exception_section, default_eh_frame_section): Return sections. + (SECTION_DECLARED, SECTION_NAMED): New macros. + (SECTION_MACH_DEP): Bump value. + (section_common, named_section, unnamed_section): New structures. + (unnamed_section_callback): New typedef. + (section): New union. + (sbss_section, exception_section, eh_frame_section): New variables. + (in_section, last_text_section): Turn into section pointers. + (get_unnamed_section, get_section, get_named_section): New functions. + (mergeable_constant_section, function_section): Return a section. + (unlikely_text_section): Likewise. + (current_function_section): Likewise. Remove the decl argument. + (unlikely_text_section_p, switch_to_section): New functions. + (output_section_asm_op): New function. + (set_named_section_flags, named_section_flags, named_section_real) + (named_section_first_declaration): Delete. + (default_select_section, default_elf_select_section): Return a section. + (default_elf_select_section_1, default_function_rodata_section) + (default_no_function_rodata_section, default_select_rtx_section) + (default_elf_select_rtx_section): Likewise. + * rtl.h (in_data_section): Delete. + * sdbout.c (sdbout_one_type): Use switch_to_section. + * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison. + (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison. + (TARGET_ASM_EH_FRAME_SECTION): Poison. + * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro. + (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete. + (TARGET_ASM_OUT): Update after above changes. + * target.h (init_sections): New hook. + (exception_section, eh_frame_section): Delete. + (select_section, select_rtx_section, function_rodata_section): Return + a section rather than emitting assembly code. + * varasm.c (text_section, data_section, readonly_data_section) + (ctors_section, dtors_section, bss_section, init_section) + (fini_section): Turn into section pointers. + (sdata_section, sbss_section, exception_section): New variables. + (eh_frame_section): New variable. + (in_section): Make global and turn into a section pointer. + (last_text_section): Turn into a section pointer. + (unnamed_sections): New variable. + (in_named_name, last_text_section_name): Delete. + (EXTRA_SECTION_FUNCTIONS): Delete. + (in_named_entry): Delete. + (section_htab): New variable, replacing... + (in_named_htab): ...this deleted variable. + (section_entry_eq, section_entry_hash): New functions, based on... + (in_named_entry_eq, in_named_entry_hash): ...these deleted functions. + (get_unnamed_section, get_section): New functions. + (unlikely_text_section): Return a section instead of emitting + assembly code. + (in_text_section, in_unlikely_text_section, in_data_section): Delete. + (get_named_section_flags, named_section_first_declaration): Delete. + (unlikely_text_section_p): New function. + (named_section_real, named_section): Delete. + (get_named_section): New function. + (asm_output_bss, asm_output_aligned_bss): Use switch_to_section. + (function_section): Return a section rather than emitting + assembly code. + (current_function_section): Likewise. Remove argument. Use + last_text_section if nonnull, otherwise use function_section. + (default_function_rodata_section): Return a section rather than + emitting assembly code. Use get_section. + (default_no_function_rodata_section): Return a section rather than + emitting assembly code. + (variable_section): Use switch_to_section and get_named_section. + (mergeable_string_section): Return a section rather than emitting + assembly code. Use get_section. Make static. Don't take special + countermeasures for empty strings. + (mergeable_constant_section): Return a section rather than emitting + assembly code. Use get_section. + (default_named_section_asm_out_destructor): Use switch_to_section + and get_section. + (default_dtor_section_asm_out_destructor): Use switch_to_section. + (default_named_section_asm_out_constructor): Use switch_to_section + and get_section. + (default_ctor_section_asm_out_constructor): Use switch_to_section. + (assemble_start_function): Likewise. Set last_text_section to + NULL rather than no_section. Change the type of save_section. + (assemble_zeros, assemble_variable): Use the section flags to detect + whether or not a section is text. + (assemble_static_space): Use switch_to_section. + (assemble_trampoline_template): Likewise. + (output_constant_def_contents): Use switch_to_section and + get_named_section. + (output_constant_pool_1): Use switch_to_section. Use the section + flags to see whether sections contain mergeable data. + (init_varasm_once): Initialize section_htab instead of in_named_htab. + Initialize new section variables. Call TARGET_ASM_INIT_SECTIONS. + (default_elf_asm_named_section): Use SECTION_DECLARED to detect + whether a section has already been declared. + (default_select_section, default_elf_select_section): Return a + section rather than emitting assembly code. + (default_elf_select_section_1): Likewise. Use bss_section for + SECCAT_BSS if nonnull. Use get_named_section. + (default_select_rtx_section): Return a section rather than + emitting assembly code. + (default_elf_select_rtx_section): Likewise. Use get_named_section. + (file_end_indicate_exec_stack): Use switch_to_section and get_section. + (output_section_asm_op, switch_to_section): New functions. + * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and + get_named_section. + + * doc/tm.texi: Expand the introduction to the sections documentation. + (TRAMPOLINE_SECTION): Document new interface. + (SDATA_SECTION_ASM_OP): Document new macro. + (READONLY_DATA_SECTION): Delete. + (SDATA_SECTION_ASM_OP): Document new macro. + (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete. + (TARGET_ASM_INIT_SECTIONS): Document new hook. + (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION) + (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface. + (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete. + +2005-12-07 Alan Modra + + * gcc.c (init_gcc_specs): Match braces inside conditionally + compiled strings. + +2005-12-06 Geoffrey Keating + + * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New. + +2005-12-06 Aldy Hernandez + + PR C++/24138 + * tree.c (integer_all_onesp): Always return true if all bits on. + + * testsuite/g++.dg/init/array0.C: New. + +2005-12-06 Adrian Straetling + + * doc/md.texi: Adapt to implementation. + +2005-12-06 Andreas Schwab + + * opts.c (decode_options): Fix typo in message. + +2005-12-06 Alan Modra + + PR other/13873 + * longlong.h: Merge PPC tests from upstream. + +2005-12-06 Richard Guenther + + * fold-const.c (fold_convert): Do not build and fold + CONVERT_EXPR, but always use NOP_EXPR. + +2005-12-06 Jan Beulich + + * config/i386/i386.c (builtin_description): Use MASK_SSE2 for + __builtin_ia32_paddq and __builtin_ia32_psubq. + (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for + __builtin_ia32_pshufw. + * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2. + +2005-12-05 James E Wilson + + PR target/24934 + * opts.c (decode_options): Turn off partitioning if flag_unwind_tables + is set. + +2005-12-05 Daniel Berlin + + * print-tree.c (print_node): Ditto. + * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL. + * tree-dump.c (dequeue_and_dump): Check for decl_common structure + before accessing DECL_ARTIFICIAL. + Handle new tag tree codes. + * tree-flow-inline.h (clear_call_clobbered): Update for tag + changes. + (unmodifiable_var_p): Ditto. + * tree-flow.h (mem_tag_kind): Remove. + (struct var_ann_d): Remove mem_tag_kind member. + * tree-gimple.c (is_gimple_reg): Tags are not gimple registers. + * tree-pretty-print.c (dump_generic_node): Handle memory tags. + * tree-ssa-alias.c (init_alias_info): Update for memory tag changes. + (group_aliases): Ditto. + (setup_pointers_and_addressables): Ditto. + (is_escape_site): Ditto. + (may_alias_p): Ditto. + (create_tag_raw): New function. + (create_memory_tag): Use it. + (dump_alias_info): Update for tags. + (may_be_aliased): Ditto. + (add_type_alias): Ditto. + (new_type_alias): Ditto. + (create_sft): Ditto. + (create_structure_vars): Ditto. + * tree-ssa-ccp.c (get_default_value): Ditto. + * tree-ssa-operands.c (get_expr_operands): Ditto. + (add_stmt_operand): Ditto. + (add_call_clobber_ops): Remove duplicated condition. + * tree-ssa.c (verify_flow_insensitive_alias_info): Update for + tags. + * tree-tailcall.c (suitable_for_tail_opt_p): Ditto. + * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto. + * tree.c (init_ttree): Update structures for new tree codes. + (tree_code_size): Update sizes for new tree codes. + (make_node_stat): Don't try to set common things on minimal + structures. + (tree_node_structure): Update for tags. + (is_global_var): Ditto. + * tree.def: Add new tree codes. + * tree.h (MTAG_P): New macro. + (TREE_MEMORY_TAG_CHECK): Ditto. + (SSA_VAR_P): Update for tags. + (struct tree_memory_tag): New structure. + (MTAG_GLOBAL): New macro. + (union tree_node): Add memory tag member. + * treestruct.def (TS_MEMORY_TAG): New. + +2005-12-05 Dale Johannesen + + * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Fix to match + what was approved (PR 24323). + +2005-12-05 Gabriel Dos Reis + + * doc/c-tree.texi (Function Bodies): Remove description of + RETURN_INIT. + +2005-12-05 Joseph S. Myers + + * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf, + __floatunsixf, __floatundisf, __floatundidf, __floatunditf, + __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf, + __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3, + __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3, + __divxc3): Document. + +2005-12-05 Geoffrey Keating + + * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve + previous behaviour. + * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to + hook_bool_void_false. + (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define. + * config/darwin.c (darwin_cxx_determine_class_data_visibility): New. + + * config/darwin.c (machopic_select_section): It's not defined + as weak if it's only marked as weak_import. + + * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility): + Prototype. + + * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally. + A hidden weak object does bind locally. Strong linkonce data + counts like any other strong symbol for binding. + (weak_finish_1): Don't specially handle weakrefs, they no longer + arrive here. + (assemble_alias): Weakrefs can't be TREE_PUBLIC yet. + * c-common.c (handle_alias_attribute): Allow static aliases + of variables. + (handle_weakref_attribute): Don't call declare_weak on weakrefs. + * gthr-dce.h: Make weakrefs static. + * gthr-tpf.h: Likewise. + * gthr-solaris.h: Likewise. + * gthr-posix.h: Likewise. + * gthr-posix95.h: Likewise. + * config/darwin.c (darwin_encode_section_info): static weakref + variables are not necessarily defined in this translation unit. + * doc/extend.texi (Function Attributes): Mention that an alias + attribute creates a definition for the thing it's attached to. + Change the documentation for weakref to say that the thing + it's attached to must be static. + + * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so + we don't go into an infinite loop. + +2005-12-05 Paolo Bonzini + + * config/rs6000/predicates.md (logical_const_operand): Split + out of logical_operand. + (logical_operand): Use it. + * config/rs6000/rs6000.md (cmp -> xor peephole2): Use + logical_const_operand. + +2005-12-05 Jan Beulich + + * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS + and IX86_BUILTIN_CMPNESS. + (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti. + * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly. + * config/i386/i386.md (movti_internal): Correct type attribute. + Simplify mode attribute. + (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal): + Correct type attribute. + (absxf2): Correct operator. + * config/i386/mmx.md (mov_internal_rex64, mov_internal, + movv2sf_internal_rex64, movv2sf_internal): Correct type attribute. + * config/i386/sse.md (mov_internal, movv2df_internal): Simplify + mode attribute. + (sse2_vmsqrtv2df2): Correct mode attribute. + +2005-12-05 Jan Beulich + + * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by + 16 bits. Provide insn pattern for this case. + +2005-12-05 Jan Beulich + + * libgcc2.c (__popcountSI2): Don't use wide type for iterator and + result. + (__popcountDI2): Likewise. + +2005-12-04 John David Anglin + + PR target/25166 + * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and + _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs. + * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New + functions. + +2005-12-04 Joseph S. Myers + + * c-typeck.c (null_pointer_constant_p): New function. + (build_conditional_expr, build_c_cast, convert_for_assignment, + build_binary_op): Use it. + +2005-12-04 Joseph S. Myers + + * c-common.c (binary_op_error): Do not allow NOP_EXPR. + (c_common_truthvalue_conversion): Handle NOP_EXPR the same as + CONVERT_EXPR. + (check_function_arguments_recurse): Allow both NOP_EXPR and + CONVERT_EXPR but check conversions preserve precision. + * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR + but check conversions preserve precision. + (build_unary_op): Don't allow NOP_EXPR. Use gcc_unreachable () in + default case. + +2005-12-04 Roger Sayle + + PR c/7776 + * common.opt (Wstring-literal-comparison): New command line option. + * c-opts.c (c_common_handle_option): Set it with -Wall. + * c-typeck.c (parser_build_binary_op): Issue warning if either + operand of a comparison operator is a string literal, except for + testing equality or inequality against NULL. + + * doc/invoke.texi: Document new -Wstring-literal-comparison option. + +2005-12-03 Joseph S. Myers + + * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead + of building a NOP_EXPR. + (c_alignof_expr): Likewise. Handle CONVERT_EXPR the same as + NOP_EXPR. + * c-convert.c (convert): Use fold_convert instead of building + NOP_EXPRs and CONVERT_EXPRs directly. Don't special case + c_objc_common_truthvalue_conversion returning a NOP_EXPR. Remove + #if 0 code. + * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle + NOP_EXPR the same as CONVERT_EXPR. + * c-typeck.c (build_function_call): Use fold_convert instead of + building a NOP_EXPR directly. + (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR. + +2005-12-03 Alan Modra + + PR rtl-optimization/25197 + * dwarf2out.c (dwarf2out_frame_debug_expr ): Assert we + have a reg. + +2005-12-02 Stuart Hastings + + * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic + warning. + +2005-12-03 Joseph S. Myers + + * c-typeck.c (default_function_array_conversion, + build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR. + (build_conditional_expr): Apply integer_zerop to orig_op1 and + orig_op2. Don't check them for NOP_EXPR. + (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR + around integer zero. + +2005-12-03 Alan Modra + + * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p, + toc_save_offset, toc_size, lr_size. + (rs6000_stack_info): Use memset rather than bss struct copy to init. + Test rs6000_ra_ever_killed last in condition setting lr_save_p. + Adjust for removal of unused rs6000_stack_t fields. + (debug_stack_info): Adjust. + (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE. Test for calls + first, and don't bother checking for set/inc of lr on sibcalls. + (rs6000_emit_epilogue): Tidy code restoring stack pointer. + +2005-12-02 Jakub Jelinek + + PR target/25199 + * config/i386/i386.md (movqi_1): Only force imovx for alternative + 5 if operand 1 is not aligned. Undo previous constraint change. + * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN. + +2005-12-02 Richard Guenther + + * tree.h (build): Remove prototype. + (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros. + * tree.c (build): Remove. + (build0_stat): Update comment. + +2005-12-02 Richard Guenther + + * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build. + * tree-complex.c (update_complex_assignment, expand_complex_div_wide): + Likewise. + * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref, + maybe_fold_offset_to_component_ref): Likewise. + * tree-ssa-dom.c (thread_across_edge, + simplify_rhs_and_lookup_avail_expr, + find_equivalent_equality_comparison, record_equivalences_from_stmt): + Likewise. + * gimple-low.c (lower_function_body, lower_return_expr): Likewise. + * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions, + lower_try_finally_switch): Likewise. + * tree-if-conv.c (add_to_dst_predicate_list, + replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise. + * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter, + voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr, + gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr, + gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr, + shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr, + gimplify_init_ctor_eval, gimplify_init_constructor, + gimplify_variable_sized_compare, gimplify_boolean_expr, + gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr, + gimplify_expr, gimplify_body, gimplify_function_tree, + force_gimple_operand): Likewise. + * tree-ssa-pre.c (create_expression_by_pieces): Likewise. + * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for, + mx_register_decls): Likewise. + * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain, + get_frame_field, finalize_nesting_tree_1): Likewise. + * tree-inline.c (setup_one_parameter): Likewise. + * tree-vect-transform.c (vectorizable_condition): Likewise. + * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies): + Likewise. + * tree-profile.c (tree_gen_edge_profiler): Likewise. + * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise. + * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise. + * tree-chrec.h (build_polynomial_chrec): Likewise. + +2005-12-02 Richard Guenther + + * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i, + alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable. + * config/frv/frv.c (frv_expand_builtin_va_start): Likewise. + * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise. + * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise. + * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise. + * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg): + Likewise. + * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr, + sh_adjust_unroll_max): Likewise. + * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise. + * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise. + * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr): + Likewise. + * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start): + Likewise. + * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr): + Likewise. + +2005-12-02 Richard Guenther + + * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for, + simplify_cond_using_ranges): Use buildN instead of build. + * tree-tailcall.c (adjust_accumulator_values, + adjust_return_value): Likewise. + * tree-sra.c (generate_one_element_ref, generate_copy_inout, + generate_element_copy, generate_element_zero, + generate_one_element_init): Likewise. + * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise. + * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression, + lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest, + perfect_nestify): Likewise. + +2005-12-02 John David Anglin + + * pa.c (pa_secondary_reload): Revise initialization of variable regno. + +2005-12-02 Gabriel Dos Reis + + * ggc.h (GGC_RESIZEVEC): New. + +2005-12-02 Volker Reichelt + + * gcc.c (execute): Improve readability. + +2005-12-02 Richard Guenther + + * tree-cfg.c (mark_used_vars): New function. + (dump_function_to_file): Dump only used VAR_DECLs. + +2005-12-02 Richard Guenther + + * convert.c (convert_to_integer): Fix compare for nonpositive + constant to use tree_int_cst_sgn <= 0. + +2005-12-02 Richard Guenther + + * convert.c (convert_to_integer): Use fold_convert instead + of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0 + instead of comparing against 0. Use build_int_cst instead + of converting integer_zero_node. + +2005-12-02 Richard Guenther + + * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR + and RROTATE_EXPR. + +2005-12-02 Alan Modra + + PR target/21017 + * combine.c (simplify_logical ): Simplify more patterns to + rotates. + +2005-12-02 Alan Modra + + PR middle-end/25176 + * function.c (expand_function_end): Emit blockage for unwinder + after return label. + +2005-12-01 Roger Sayle + + * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to + constant nodes, i.e. INTEGER_CST, REAL_CST, etc... + * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for + integer constant comparisons. + +2005-12-02 Jon Grimm + Janis Johnson + David Edelsohn + Ben Elliston + + * dfp.h, dfp.c: New files. + * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables. + (DECNUM_H): Likewise. + (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER). + (INCLUDES): Append $(DECNUMINC). + (OBJS-common): Add dfp.o. + (dfp.o): New rule. + * real.h (EXP_BITS): Pinch one bit to .. + (struct real_value): Add decimal field. + (real_format): Change table size, update documentation. + (REAL_MODE_FORMAT): Update for to handle float, decimal float. + (real_from_string3): Declare. + (decimal_single_format): Declare. + (decimal_double_format): Declare. + (decimal_quad_format): Declare. + (REAL_VALUE_TO_TARGET_DECIMAL32): New. + (REAL_VALUE_TO_TARGET_DECIMAL64): New. + (REAL_VALUE_TO_TARGET_DECIMAL128): New. + * real.c: Include dfp.h. + (normalize): Early return for decimal floats. + (do_add): Zero decimal field. + (do_compare): Call do_decimal_compare for decimal floats. + (do_fix_trunc): Likewise, call decimal_do_fix_trunc. + (real_arithmetic): Call decimal_real_arithmetic for decimal + floating point operands. + (real_identical): If a and b are of differing radix, return false. + (real_to_integer): Call decimal_real_to_integer if the value is a + decimal float. + (real_to_integer2): Likewise, call decimal_real_to_integer2. + (real_to_decimal): Likewise, call decimal_real_to_decimal. + (real_to_hexadecimal): Place "N/A" in the return string for + decimal float. + (real_from_string3): New variant, given a mode. + (real_maxval): Use decimal_real_maxval for decimal floats. + (round_for_format): Use decimal_round_for_format for decimals. + (real_convert): Use decimal_real_convert where appropriate. + (significand_size): Handle base 10. + (encode_decimal_single, decode_decimal_single, + encode_decimal_double, decode_decimal_double, encode_decimal_quad, + decode_decimal_quad): New functions. + (decimal_single_format): New. + (decimal_double_format): New. + (decimal_quad_format): New. + * machmode.def: Add SD, DD and TD decimal floating point modes. + * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P): + Include MODE_DECIMAL_FLOAT. + (DECIMAL_FLOAT_MODE_P): New. + * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class. + * genmodes.c (struct mode_data): Add counter field. + (struct mode_data): Update comment for format. + (blank_mode): Initialise counter field. + (new_mode): Increment counter field for each mode defined. + (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode + using a format. + (make_complex_modes): Handle modes containing `D'. + (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New. + (make_decimal_float_mode): New. + (reset_float_format): Handle MODE_DECIMAL_FLOAT. + (cmp_modes): Compare counter field if other characteristics + similar. + (emit_real_format_for_mode): Support formats for decimal floats. + * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes. + Document MODE_DECIMAL_FLOAT. + +2005-12-02 Alan Modra + + * simplify-rtx.c (simplify_plus_minus): Do simplify constants. + Delete dead code. + +2005-12-01 Richard Henderson + + * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL. + +2005-12-01 Kaveh R. Ghazi + + * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New. + + * config/pa/pa.c (pa_init_builtins): If we detect + DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to + putc_unlocked. + +2005-12-01 Richard Guenther + + * fold-const.c (fold_binary): Use fold_build2, not + fold (build (...)). + +2005-12-01 Nathan Sidwell + + * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves. + + * vec.h (VEC_block_remove): New. + +2005-12-01 Gabriel Dos Reis + + PR c/13384 + * c-common.c (lvalue_error): Fix wording. + +2005-12-01 Richard Guenther + + * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix + thinko in last patch. + +2005-12-01 Geoffrey Keating + + * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather + than -flat_namespace. + +2005-12-01 Ben Elliston + + * mklibgcc.in: Parameterise the script to build soft float + functions by iterating over each type, rather than cloning the + code for each type. + +2005-11-30 Kaveh R. Ghazi + + PR middle-end/25158 + * builtins.c (fold_builtin_fputs): Defer check for missing + replacement functions. + +2005-11-30 Kean Johnston + + * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not + simply its presense in case targets #define SUPPORTS_ONE_ONLY 0. + +2005-11-30 Richard Guenther + + PR tree-optimization/22501 + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New + function split out from ... + (forward_propagate_addr_expr): ... here. Use it to propagate + ADDR_EXPRs to all uses. + +2005-11-30 Volker Reichelt + + * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros. + * builtins.c (expand_builtin_mathfn): Use them. + (expand_builtin_mathfn_2): Likewise. + (expand_builtin_mathfn_3): Likewise. + (expand_builtin_int_roundingfn): Likewise. + (expand_builtin): Likewise. + (integer_valued_real_p): Likewise. + (fold_builtin_int_roundingfn): Likewise. + (fold_builtin_bitop): Likewise. + (fold_builtin_logarithm): Likewise. + (fold_builtin_1): Likewise. + * convert.c (convert_to_integer): Likewise. + * fold-const.c (negate_mathfn_p): Likewise. + (tree_expr_nonnegative_p): Likewise. + +2005-11-30 Dale Johannesen + Andrew Pinski + + * combine.c (find_split_point): Sign extend bitmask + when changing bitfield assignment to IOR of AND. + +2005-11-30 Nathan Sidwell + + * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early + clobber to scratch reg. + (*decrement_and_branch_until_zero_no_clobber): Remove. + (decrement_and_branch peephole): Add dummy scratch reg to pattern. + (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2. + * config/ms1/ms1.opt (mmul): Remove. + * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names. + (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002. + +2005-11-30 John David Anglin + Bernd Schmidt + + * pa/predicates.md (symbolic_operand): Add comment. + * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders. + * pa/pa-protos.h (pa_secondary_reload_class): Delete. + * pa/pa.c (TARGET_SECONDARY_RELOAD): Define. + (pa_secondary_reload_class): Delete. + (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS + and pa_secondary_reload_class. Reorder some checks. Update inline + copy of symbolic operand. + * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete. + +2005-11-30 Nathan Sidwell + + * loop-doloop.c (add_test): Only add jump notes if we did emit a + jump. + +2005-11-30 Jeff Law + + * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly + handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI. + +2005-11-30 Jakub Jelinek + + * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument. + Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case. + (ia64_expand_move): Adjust caller. + + * config/ia64/ia64.c (ia64_expand_atomic_op): Only use + fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS + negate VAL. + +2005-11-30 Paolo Bonzini + + * simplify-rtx.c (simplify_plus_minus): Remove final parameter. + Always produce an output if we can remove NEGs or canonicalize + (minus (minus ...)) expressions. Provide a fast path for the + two-operand case. + (simplify_gen_binary): Do not call simplify_plus_minus. + (simplify_binary_operation_1): Reassociate at the end of the + function. + +2005-11-29 Evan Cheng + + * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low + moves and unpack to speed up. + +2005-11-29 David S. Miller + + * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd + argument, they are always sparc_compare_op0 and sparc_compare_op1. + (gen_v9_scc): Update callers. + * config/sparc/sparc.md: Likewise. + * config/sparc/sparc-protos.h: Update extern declaration. + + * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo. + +2005-11-29 Andrew Pinski + + * fold-const.c (negate_expr) : Add break after + the if. + +2005-11-29 Andrew Pinski + + * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR. + (fold_unary) : Move -(~a) transformation to ... + (negate_expr): Here. + +2005-11-29 Ben Elliston + + * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): + Fix typo in comment. + +2005-11-29 Ben Elliston + + * Makefile.in (clean-target): Depend on clean-target-libgcc. + (clean-target-libgcc): Import rule from the top-level Makefile.in. + +2005-11-29 Kaveh R. Ghazi + + PR middle-end/20109 + PR middle-end/25120 + * builtins.c (init_target_chars): New. + (expand_builtin_printf, expand_builtin_fprintf, + expand_builtin_sprintf, fold_builtin_sprintf, + maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk, + fold_builtin_snprintf_chk, fold_builtin_printf, + fold_builtin_fprintf): Check for matching format strings using + the target charset. + +2005-11-29 Paul Brook + + * config.gcc: Do not use fixproto on m68k-elf. + +2005-11-28 Roger Sayle + + * expmed.c (div_cost): Replace with... + (sdiv_cost, udiv_cost): New. + (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost. + Rename the div and mod fields, used to initialize sdiv_pow2_cheap + and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion. + (expand_divmod): Replace use of div_cost with either sdiv_cost + or udiv_cost depending upon the signedness of the operation. + +2005-11-28 Alexandre Oliva + + PR libfortran/24991 + * config/darwin.c (machopic_indirection_name, + machopic_output_indirection): Follow transparent alias chain. + +2005-11-28 Alexandre Oliva + + * varasm.c (ultimate_transparent_alias_target): Add comment. + +2005-11-28 Kazu Hirata + + * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and + SET_SRC instead of XEXP where appropriate. + +2005-11-28 Joseph S. Myers + + * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use + __builtin_expect. + +2005-11-28 Joseph S. Myers + + * config/fp-bit.h (LSHIFT): Take shift count parameter. + * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one + bit at a time. + +2005-11-28 Bernd Schmidt + + * config/bfin/bfin.c (bfin_secondary_reload): Renamed from + secondary_input_reload_class, made static. Adapt to new + infrastructure. + (secondary_output_reload_class): Delete. + (TARGET_SECONDARY_RELOAD): New macro. + * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS, + SECONDARY_OUTPUT_RELOAD_CLASS): Delete. + +2005-11-28 Nathan Sidwell + + PR c++/21166 + * c-decl.c (finish_struct): Only set DECL_PACKED on a field + when its natural alignment is > BITS_PER_UNIT. + * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08. + * c-common.c (handle_packed_attribute): Ignore packing on a field + whose type is naturally char aligned. + +2005-11-28 Richard Guenther + + * c-common.c (strict_aliasing_warning): Handle all + component-ref like accesses. + +2005-11-28 Roger Sayle + Uros Bizjak + + PR middle-end/20219 + * fold-const.c (fold binary) : Optimize + sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x) + when flag_unsafe_math_optimizations is set and + we don't care about NaNs or Infinities. + + Move x/expN(y) and x/pow(y,z) transformation into common + flag_unsafe_math_optimizations section. + +2005-11-27 Mark Mitchell + + * gcc.c (main): Change type of argv to "char **". + +2005-11-28 Alan Modra + + * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in + small data sections. + * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global. + * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare. + * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to.. + (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't + output locals to sbss if !rs6000_elf_in_small_data_p. + (ASM_OUTPUT_ALIGNED_BSS): Adjust for above. + +2005-11-28 Alan Modra + + PR target/24997 + * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern + generated by reload. + * config/rs6000/predicates.md (indexed_or_indirect_operand): Use + indexed_or_indirect_address. + (indexed_or_indirect_address): Don't test for base reg. Call + address_operand last. Make it a special predicate. + +2005-11-27 Kazu Hirata + + * config/m68k/m68k.c (notice_update_cc): Remove useless code. + +2005-11-27 Andrew Pinski + + PR middle-end/24575 + * fold-const.c (negate_expr_p): Add case for signed divides if overflow + is undefined. + (negate_expr): Likewise. + +2005-11-27 Andreas Schwab + + * config/m68k/m68k.c: Reindent and fix whitespace, remove + redundant parens. + +2005-11-27 Steven Bosscher + + * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it + has EH predecessor edges. + +2005-11-26 Eric Christopher + + * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial + register stalls by zero extending to the full register. + +2005-11-27 Joseph S. Myers + + * config/floatunsisf.c, config/floatunsidf.c, + config/floatunsixf.c, config/floatunsitf.c: New files. + * config/ia64/t-hpux: Add floatunsitf.c. + * config/ia64/ia64.c (ia64_init_libfuncs): Use + _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion. + +2005-11-26 Richard Henderson + + * c-lex.c (pragma_lex): Rename from c_lex. + * c-pch.c: Update for pragma_lex rename. + * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise. + * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise. + * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise. + * config/sol2-c.c, config/v850/v850-c.c: Likewise. + * doc/tm.texi: Likewise. + +2005-11-26 Andrew Pinski + + PR middle-end/23669 + * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types + when overflow is undefined. + +2005-11-26 Hans-Peter Nilsson + + * doc/md.texi (Insn Canonicalizations): Refer to the + function commutative_operand_precedence for further rules. + +2005-11-25 Roger Sayle + + PR middle-end/21309 + * expmed.c (choose_mult_variant): Return immediately when mult_cost + is less than zero. Limit mult_cost to a reasonable upper bound for + the synthetic multiplication sequence. + +2005-11-25 Kaveh R. Ghazi + + PR middle-end/25022 + * builtins.c (expand_builtin_printf, expand_builtin_fprintf, + fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf): + Lookup the explicit replacement functions for any unlocked + stdio builtin transformations. + +2005-11-25 Hans-Peter Nilsson + + * config/cris/cris.md ("reload_out"): Mark operand 2 as + earlyclobber. + * targhooks.c (default_secondary_reload): Don't require operand 2 + for an input reload to be earlyclobber. + +2005-11-25 Volker Reichelt + + * fold-const.c (negate_mathfn_p): Fix comment and add support + for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH, + BUILT_IN_ATANH. + +2005-11-25 Joseph S. Myers + + PR middle-end/24998 + * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and + _Q_ulltoq for unsigned conversions from SImode and DImode to + TFmode. + +2005-11-25 Alan Modra + + * config/rs6000/ppc64-fp.c (__floatunditf): New function. + (__floatundidf, __floatundisf): Likewise. + +2005-11-25 David Edelsohn + + * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete. + (rs6000_override_options): Remove initialization of + rs6000_sr_alias_set. + (rs6000_emit_eh_reg_restore): Use gen_frame_mem. + (rs6000_emit_stack_tie): Same. + (emit_frame_save): Same. + (gen_frame_mem_offset): Same. + (rs6000_emit_prologue): Same. + (rs6000_emit_epilogue): Same. + +2005-11-25 Andrew Pinski + + PR middle-end/24989 + * fold-const.c (fold_build): Convert bool_var != 1 and + bool_var == 0 to !bool_var. + +2005-11-25 Andrew Pinski + + PR middle-end/24990 + * fold-const.c (fold_binary): Fold (~a) == C to a == ~C + for C being INTEGER_CST. Likewise for !=. + +2005-11-25 Joseph S. Myers + + PR middle-end/24998 + * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for + unsigned conversions from SImode to TFmode. + +2005-11-24 Bernd Schmidt + + * expr.c (expand_expr_real_1): Fix error in last change. + +2005-11-24 J"orn Rennecke + + * caller-save.c: (this_insn_sets): Move into: + (save_call_clobbered_regs). + (mark_set_regs): Get this_insn_sets from data. + + (save_call_clobbered_regs): Take sets of the return value by + sibcalls into account. + +2005-11-24 J"orn Rennecke + PR target/21623: + + * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove + SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests. + (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test. + (memory_move_secondary_cost, init_reg_autoinc): Remove + SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests. + Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with + secondary_reload_class call. + (copy_cost): Likewise. Add new parameter prev_sri. Changed all + callers. + * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks. + (push_secondary_reload): Use secondary_reload target hook. + (secondary_reload_class, scratch_reload_class): New functions. + (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and + SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace + SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call. + * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test. + (secondary_reload_class, scratch_reload_class): Declare. + * reload1.c: Include target.h. + (reload_adjust_reg_for_temp): New function. + (reload_adjust_reg_for_icode): Likewise. + (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test. + Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class + call. + (emit_input_reload_insns): Likewise. Rewrite secondary reload checks + for inheritance. Support case when both secondary & tertiary reloads + are for intermediate registers. + (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use + with secondary_reload_class call. Support case when both secondary + & tertiary reloads are for intermediate registers. + * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition. + (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD. + * target.h (secondary_reload_info): New struct / typedef. + (struct gcc_target): New member secondary_reload. + * targhooks.c Include reload.h, optabs.h and recog.h. + (default_secondary_reload): New function. + * targhooks.h (default_secondary_reload): Declare. + * doc/tm.texi: Document secondary_reload target hook. Update + description of SECONDARY_*RELOAD_CLASS and reload_{in,out}. + * doc/md.texi: Likewise. + + * sh-protos.h (sh_secondary_reload): Declare. + * sh.c (TARGET_SECONDARY_RELOAD): Override. + (sh_secondary_reload): New function. + * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define. + (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise. + (SECONDARY_INPUT_RELOAD_CLASS): Likewise. + (HAVE_SECONDARY_RELOADS): Define. + * sh.md (reload_indf): Rename to: + (reload_indf__frn). + (reload_outdf): Rename to: + (reload_outdf__RnFRm). + (reload_insf): Rename to: + (reload_insf__frn). + (reload_insi): Rename to: + (reload_insi__i_fpul). + +2005-11-24 Uros Bizjak + + * configure.ac: Require at least texinfo 4.4. + * configure: Regenerate. + + * doc/install.texi (Tools/packages necessary for building GCC): + Update required version of texinfo to at least 4.4. + (Installing GCC: Building): Update required version of texinfo + to at least 4.4. + (Installing GCC: Final installation): Update required version + of texi2dvi to at least 4.4. + (Host/target specific installation notes for GCC): Update required + version of texinfo to at least 4.4. + +2005-11-24 Richard Guenther + Dirk Mueller + + PR c++/14024 + * c-common.h (strict_aliasing_warning): Declare. + * c-common.c (strict_aliasing_warning): New function, + split out from ... + * c-typeck.c (build_c_cast): ... here. + +2005-11-24 Paolo Bonzini + + * optabs.c (expand_binop): Use swap_commutative_operands_with_target + to order operands. + (swap_commutative_operands_with_target): New. + +2005-11-24 Paolo Bonzini + + * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes + also when doing PRE, rather than only for global CPROP. + +2005-11-24 Ben Elliston + + * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro. + * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve + formatting. + (expand_twoval_unop): Likewise. + (widen_clz): Likewise. + (expand_parity): Likewise. + (expand_unop): Likewise. + (emit_cmp_and_jmp_insn_1): Likewise. + (prepare_float_lib_cmp): Likewise. + +2005-11-24 Ben Elliston + + * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P. + Remove unused `class' variable. + +2005-11-23 Gabriel Dos Reis + + PR c++/21667 + * c-typeck.c (build_array_ref): Avoid code duplicate. Use common + C/C++ diagnostic function warn_array_subscript_with_type_char. + * c-common.h (warn_array_subscript_with_type_char): Declare. + * c-common.c (warn_array_subscript_with_type_char): Define. + +2005-11-23 Gabriel Dos Reis + + PR c/21668 + * c-decl.c (grokdeclarator): Don't warn for 'extern const' when + compiling at the intersection of C and C++. + +2005-11-23 Mark Mitchell + + * doc/invoke.texi: For man pages, include gcc-vers.texi. + List @file in the option summary. Include the libiberty + documentation for @file. + * gcc.c (main): Call expandargv. + * Makefile.in (gcc-vers.texi): Define srcdir. + +2005-11-23 Diego Novillo + + * passes.c (init_optimization_passes): Document + sequencing of passes. + +2005-11-23 Kazu Hirata + + * config/m68k/predicates.md (pcrel_address, extend_operator, + post_inc_operand, pre_dec_operand): Remove redundant + conditionals. + (const_uint32_operand, const_sint32_operand): Use gcc_assert + instead of abort. + (valid_dbcc_comparison_p): Rewrite in the lisp style. + +2005-11-23 Ben Elliston + + * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float. + +2005-11-22 J"orn Rennecke + + Preparatory work for PR target/21623: + * alpha.c (secondary_reload_class): Rename to: + (alpha_secondary_reload_class). + * alpha.h, alpha-protos.h: Likewise. + * mn10300.c (secondary_reload_class): Rename to: + (mn10300_secondary_reload_class). + * mn10300.h, mn10300-protos.h: Likewise. + * pa.c (secondary_reload_class): Rename to: + (pa_secondary_reload_class). + * pa.h, pa-protos.h: Likewise. + * rs6000.c (secondary_reload_class): Rename to: + rs6000_secondary_reload_class. + * rs6000.h, rs6000-protos.h: Likewise. + +2005-11-22 Eric Botcazou + + PR middle-end/22561 + * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF. + +2005-11-22 Ian Lance Taylor + + * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not + a mode_class. + (prepare_cmp_insn): Likewise. + +2005-11-22 Kazu Hirata + + PR target/23435 + * m68k.md (zero_extendsidi2): Force operands[1] to a register + if both operands[0] and operands[1] are memory. + +2005-11-22 Andrew Pinski + + PR middle-end/23606 + * fold-const.c (fold_unary) : For + COMPARISON_CLASS_P and an integral types create create a new + expression with the new type and fold that. + +2005-11-22 Andrew Pinski + + PR target/24988 + * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call + to SUBTARGET_OS_CPP_BUILTINS. + +2005-11-22 Richard Earnshaw + + * arm.c (emit_set_insn): New function. + (arm_split_constant): Call it. + (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise. + (arm_legitimize_address): Likewise. Use plus_constant. + (arm_expand_prologue): Likewise. Use VOIDmode in SET. + (thumb_expand_prologue): Likewise. + (arm_gen_load_multiple): Use VOIDmode in SET. + (arm_gen_store_multiple): Likewise. + (vfp_emit_fstmx): Likewise. Use plus_constant. + (emit_multi_reg_push): Likewise. + (emit_sfm): Use plus_constant. + +2005-11-23 Alan Modra + + PR target/24954 + * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix + typo last change. + +2005-11-22 Alan Modra + + PR middle-end/24950 + * expmed.c (store_bit_field): Don't attempt to insv a field + larger than the reg. + +2005-11-22 Alan Modra + + PR target/24954 + * config/rs6000/predicated.md (easy_vector_constant_add_self): Use + explicit sign extension, not a (char) cast. + +2005-11-22 Ben Elliston + + * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing + GET_MODE_CLASS (x) == MODE_FLOAT. + * config/i386/i386.c: Likewise. + * config/rs6000/xcoff.h: Likewise. + * config/rs6000/linux64.h: Likewise. + * config/rs6000/rs6000.c: Likewise. + * config/rs6000/rs6000.h: Likewise. + * config/rs6000/predicates.md: Likewise. + * config/rs6000/sysv4.h: Likewise. + +2005-11-21 Kaveh R. Ghazi + + * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when + flag_pic is set. + + * config/alpha/freebsd.h, config/alpha/linux.h, + config/arm/linux-elf.h, config/bfin/bfin.h, + config/cris/linux.h, config/darwin.h, config/freebsd-spec.h, + config/i386/beos-elf.h, config/i386/gnu.h, + config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h, + config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h, + config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h, + config/rs6000/linux64.h, config/rs6000/sysv4.h, + config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h, + config/sh/linux.h, config/sh/sh.h, config/sol2.h, + config/sparc/linux.h, config/sparc/linux64.h, + config/xtensa/xtensa.h: Don't define __pic__ or __PIC__. + + * doc/invoke.texi: Document that the macros __pic__ and __PIC__ + are both defined when either flag -fpic or -fPIC are used. + +2005-11-22 Joseph S. Myers + + * config/fp-bit.c (clzusi): New function. + (si_to_float, usi_to_float): Use it to compute proper shift. + (usi_to_float): Preserve guard bits when shifting right. + * libgcc-std.ver (GCC_4.2.0): New version. + * libgcc2.c (__floatundixf, __floatunditf, __floatundidf, + __floatundisf): New functions. + * libgcc2.h (__floatundixf, __floatunditf, __floatundidf, + __floatundisf): Declare. + * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf, + _floatundixf, and _floatunditf. + * optabs.c (expand_float): If target does not define a pattern for + signed or unsigned conversion, use an unsigned libcall instead of + a signed one. + (init_optabs): Initialize ufloat_optab. + +2005-11-22 Joseph S. Myers + + * config/rs6000/rs6000.opt (mmulhw): New option. + * doc/invoke.texi (-mmulhw): Document. + * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw + for 405 and 440. + * config/rs6000/rs6000.md: Add half-word multiply and + multiply-accumulate instructions for 405 and 440. + +2005-11-21 Joel Sherrill + + * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC + which matches behavior of gcc 4.0 and older for RTEMS targets. The + default now includes a linker group which makes the RTEMS one nest. + +2005-11-22 Ben Elliston + + * cse.c (fold_rtx): Typo fix. + (find_comparison_args): Pass the mode of arg1, not arg1 itself. + +2005-11-21 Richard Henderson + + * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h, + langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch. + + * c-tree.h (lookup_name): Move declaration ... + * c-common.h (lookup_name): ... here. + * config/darwin-c.c: Include c-common.h. + * config/t-darwin: Update dependencies. + +2005-11-22 Ben Elliston + + * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of + explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT. + * genopinit.c (gen_insn): Likewise. + * reload.c (find_equiv_reg): Likewise. + * loop.c (load_mems): Likewise. + * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise. + * cse.c (find_comparison_args, fold_rtx): Likewise. + * dwarf2out.c (add_const_value_attribute): Likewise. + * expr.c (convert_move): Likewise. + * recog.c (general_operand, register_operand): Likewise. + * reg-stack.c (replace_reg): Likewise. + * tree-vect-generic.c (type_for_widest_vector_mode): Likewise. + * c-common.c (handle_vector_size_attribute): Likewise. + * simplify-rtx.c (simplify_const_unary_operation): Likewise. + (simplify_binary_operation_1): Likewise. + (simplify_const_binary_operation): Likewise. + (simplify_relational_operation): Likewise. + (simplify_const_relational_operation): Likewise. + (simplify_immed_subreg): Likewise. + * emit-rtl.c (gen_lowpart_common): Likewise. + * expmed.c (expand_mult): Likewise. + * stor-layout.c (layout_type): Likewise. + +2005-11-21 Paolo Bonzini + + PR target/24951 + * config/rs6000/rs6000.c (output_vec_const_move): Load cst and + cst2 only for SPE vectors. + +2005-11-21 David Edelsohn + + PR target/24953 + * config/rs6000/predicates.md (vrsave_operation): Check + UNSPEC_VOLATILE value. + +2005-11-21 Jan Hubicka + + PR tree-optimization/24653 + * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions. + +2005-11-21 Uros Bizjak + + * config/i386/predicates.md (ax_reg_operand): New predicate. + (memory_displacement_only_operand): New predicate. + * config/i386/i386.md ("modrm" attribute): Return 0 if one + operand is AX register and the other operand is memory operand + with displacement only. + +2005-11-21 Uros Bizjak + + * fold-const.c (fold_binary) : Optimize A / A to 1.0 + if we don't care about NaNs or Infinities. + +2005-11-20 Ian Lance Taylor + + PR rtl-optimization/24883 + * combine.c (combinable_i3pat): When checking whether the + destination of i3 is used in i3, consider paradoxical subregs. + +2005-11-21 Kazu Hirata + + PR middle-end/20583 + * cse.c (cse_insn): Reject invalid forms of CONST earlier. + +2005-11-20 Joseph S. Myers + + * combine.c (try_combine): Do not run subst on i1src and i2src in + the case of generating a PARALLEL for a comparison. + +2005-11-20 Richard Henderson + + PR 24931 + * tree-sra.c (struct sra_elt): Add all_no_warning. + (struct sra_walk_fns) : Add use_all argument. + (sra_walk_expr): Pass it. + (sra_walk_modify_expr): Likewise. + (scalarize_ldst): Likewise. + (scan_use): Update for new argument. + (mark_no_warning): New. + (scalarize_use): Use it. + +2005-11-20 Bernd Schmidt + + * expr.c (expand_expr_real): Use usmul_optab for widening + signed * unsigned multiplies. + * genopinit.c (optabs): Add usmul_widen_optab. + * optabs.c (init_optabs): Likewise. + * optabs.h (enum optab_index): Add OTI_usmul_widen. + (usmul_widen_optab): Define. + * config/bfin/bfin.md (usmulhisi3): New pattern. + + * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document. + +2005-11-20 Graham Stott + + * gensupport.c (std_preds): Fixed extraneous `false` in last change. + +2005-11-20 Andreas Schwab + + PR target/24757 + * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp + insn. + +2005-11-19 Richard Henderson + + PR tree-opt/24665 + * tree-gimple.c (is_gimple_id): Export. + * tree-gimple.h (is_gimple_id): Declare. + * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New. + (get_default_value): Use it. + (maybe_fold_stmt_indirect): Likewise. + +2005-11-19 James A. Morrison + + * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less + than VR1 or vice-versa. + +2005-11-19 Hans-Peter Nilsson + + PR middle-end/24912 + PR middle-end/24750 + * reload.c (find_reloads_address_1): Mention dependency on + gen_reload. + * reload1.c (gen_reload): For IN with an unary operation, try + moving inner expression to OUT if trivial SET is not valid. + Confirm that the result is valid. Move common code block into... + (emit_insn_if_valid_for_reload): New function. + +2005-11-19 Richard Guenther + + * fold-const.c (fold_indirect_ref_1): Make sure we fold + ARRAY_REFs of constant strings. + +2005-11-19 Jakub Jelinek + + * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in + fatal format string. + +2005-11-19 Joseph S. Myers + + * combine.c (make_compound_operation): Swap operands of + commutative operation if necessary before returning. + +2005-11-19 Richard Guenther + + PR middle-end/23294 + * fold-const.c (fold_plusminus_mult_expr): New function. + (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR + cases, remove now unnecessary code. + +2005-11-19 Paolo Bonzini + + * gensupport.c (old_preds): Rename to std_preds, add special field. + (struct old_pred_table): Rename to struct std_pred_table, add special + field. + (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS. + (NUM_OLD_SPECIAL_MODE_PREDS): Remove. + (init_predicate_table): Adjust, and set along the way whether a + predicate is special. + +2005-11-18 Mark Mitchell + + * BASE-VER: Change to 4.2.0. + +2005-11-18 James E Wilson + + * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before + returning it. + +2005-11-18 Mike Stump + + * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name. + * config/darwin-c.c (darwin_pragma_unused): Likewise. + * c-decl.c (lookup_name_two) Remove. + * c-tree.h (lookup_name_two): Remove. + * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add. + * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add. + (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME. + * langhooks.h (lang_hooks_for_decls): Add lookup_name. + +2005-11-18 Richard Earnshaw + + PR target/24914 + * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok + when not generating code to use that co-processor. + +2005-11-18 James A. Morrison + + * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node, + add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that + these functions are now in tree-phinodes.c. + +2005-11-18 Jie Zhang + + * config/bfin/bfin.md (trap): New pattern. + +2005-11-18 Richard Kenner + + * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds + on types. + + * expr.c (expand_expr_real): Don't call record_block_change unless + ib_boundaries_block is non-null + + * postreload.c (reload_cse_move2add): Don't try to work with BImode. + + * fold-const.c (build_range_check): Use proper type for subtraction + when merging lower bound. + +2005-11-18 Zdenek Dvorak + + PR rtl-optimization/24497 + * loop-unroll.c (apply_opt_in_copies): Do not verify equality of + the copied insn. + +2005-11-18 Zdenek Dvorak + + * tree-scalar-evolution.c (expression_expensive_p): New function. + (scev_const_prop): Use compute_overall_effect_of_inner_loop. + +2005-11-18 Bernd Schmidt + + * config/bfin/crtlibid.s: New file. + +2005-11-17 John David Anglin + + PR target/24348 + * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config + when not using sjlj exceptions. + * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links. + * config/pa/pa-hpux11.h (LIB_SPEC): Likewise. + * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define. + * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use + DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column. + * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define. + * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX, + DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT, + ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines. + * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete. + (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX, + DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN, + ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New + defines. + * config/pa/hpux-unwind.h: New file. + +2005-11-17 Alexandre Oliva + + * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define. + * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument. + * varasm.c (do_assemble_alias): Adjust call. + (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL + is defined. + * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it. + +2005-11-17 James E Wilson + + * tree.def (FUNCTION_DECL): Correct typo in comment. + +2005-11-17 Richard Henderson + + * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int. + (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf + and DW_CFA_def_cfa_sf. + (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values. + (dbx_reg_number): Don't assert particular registers here. + (based_loc_descr): ... do it here instead. Fold in ... + (eliminate_reg_to_offset): ... this function. + (compute_frame_pointer_to_cfa_displacement): Fold in the effects + of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET. + * unwind-dw2.c (execute_cfa_program): Apply data align factor + to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf. + * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET. + (instantiate_virtual_regs): Likewise. + * var-tracking.c (adjust_stack_reference): Likewise. + * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New. + +2005-11-17 Bernd Schmidt + + * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s" + * config/bfin/uclinux.h (STARFILE_SPEC): Likewise. + * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add + crtlibid.o. + ($(T)crtlibid.o): New rule. + +2005-11-16 Richard Guenther + + PR middle-end/24851 + * fold-const.c (extract_array_ref): Return byte offset + in all cases. + (fold_binary): Fold &x[a] CMP &x[b] to + a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow + behavior. + +2005-11-16 Richard Henderson + + PR middle-end/23497 + * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary + parts of an SSA_NAME. + +2005-11-16 Richard Earnshaw + + PR target/24861 + * arm.md (split for movsf with immediate): Restrict split to insns + that set a general register. + +2005-11-16 Daniel Jacobowitz + + * config/ia64/unwind-ia64.c (uw_advance_context): New. Call + uw_update_context. + * unwind-dw2.c (uw_advance_context): Likewise. + * unwind-sjlj.c (uw_advance_context): Likewise. Also call + _Unwind_SjLj_Unregister. + * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context. + +2005-11-16 Daniel Jacobowitz + + * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case. + +2005-11-16 Eric Botcazou + + * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode + langhook to get a DImode integer type. + +2005-11-16 Richard Henderson + J"orn Rennecke + Ulrich Weigand + + PR rtl-opt/24160 + PR target/24621 + * reload1.c (reg_equiv_invariant): New. + (reload): Allocate, initialize, and free it. + (calculate_needs_all_insns): Check it when skipping equivalence + setting insns. + (alter_reg): Likewise. + (eliminate_regs_1): Rename from eliminate_regs. Add new + may_use_invariant argument; only use reg_equiv_invariant when true. + (eliminate_regs): New. + (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in + a context for which may_use_invariant may be true. + +2005-11-16 Eric Botcazou + + * fold-const.c (const_binop): Don't constant fold the operation + if the result has overflowed and flag_trapping_math. + * simplify-rtx.c (simplify_const_binary_operation): Likewise. + +2005-11-16 Daniel Jacobowitz + + * config/arm/unwind-arm.c (abort): Add prototype here. + (UCB_FORCED_STOP_ARG): Correct typo in macro argument. + (struct phase1_vrs): Add prev_sp. + (unwind_phase2_forced): Save the original core registers instead of + modifying entry_vrs. Take a new flag argument for resuming unwinding + and set action flags accordingly. Always set _US_END_OF_STACK when + get_eit_entry fails. Unwind before calling the stop function. + (_Unwind_GetCFA): New function. + (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced. + (__gnu_Unwind_Resume_or_Rethrow): Likewise. + (__gnu_Unwind_Resume): Do not unwind here for forced unwinding; + just call unwind_phase2_forced. + (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here. + * config/arm/unwind-arm.h (abort): Remove prototype. + (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to + prototypes. + (_Unwind_GetCFA): New prototype. + * config/arm/pr-support.c (abort): Add prototype here. + * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle + forced unwinding. + * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do + not schedule the prologue with non-call exceptions and EABI. + +2005-11-16 Nathan Sidwell + + * config/arm/unwind-arm.h: Reorder interface function declarations. + (_URC_END_OF_STACK): New enumeration value. + (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise. + (struct _Unwind_Control_Block): Document reserved field use. + (_Unwind_Stop_Fn): New typedef. + (_Unwind_ForcedUnwind): Declare. + (_Unwind_Resume_or_Rethrow): Declare. + * config/arm/libunwind.S (UNWIND_WRAPER): Add nargs + argument. Adjust. + (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New. + * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN) + (UCB_FORCED_STOP_ARG): New. + (search_EIT_table): Update boundary condition checks. + (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind. + (unwind_phase2): Replace for with do..while. + (unwind_phase2_forced): New. + (__gnu_Unwind_RaiseException): Replace for with do..while. + (__gnu_Unwind_ForcedUnwind): New. + (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding. + Use appropriate phase2 unwinder. + (__gnu_Unwind_Resume_or_Rethrow): New. + (__gnu_unwind_pr_common): Cope with forced unwinding. + +2005-11-16 David Edelsohn + + PR target/24772 + * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC. + + * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2, + roundsf2): Remove "s" from mnemonic. + +2005-11-16 Bernd Schmidt + + * config/bfin/crti.s (__init, __fini): Use appropriate prologue if + __PIC__ is defined. + * config/bfin/crtn.s: Change epilogues to match. + * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define. + * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define + __PIC__ and __pic__. + +2005-11-16 Tobias Schl"uter + + PR 24357 + * doc/invoke.texi: Distinguish between free and fixed form instead of + Fortran and Fortran 90/95. Remove ratfor from the list of supported + languages. + * gcc.c (default_compilers): Remove double entries, add entries for + suffixes '.F90' and '.F95'. + +2005-11-16 Eric Botcazou + + * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug + in the stack probing loop. + +2005-11-15 David Edelsohn + + * configure.ac: Use .machine power5 not power5x. + * configure: Regenerate. + +2005-11-15 Mike Stump + + * c-decl.c (lookup_name_two): Add. + * c-tree.h (lookup_name_two): Likewise. + * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead. + * config/darwin-c.c (darwin_pragma_unused): Likewise. + +2005-11-16 Alan Modra + + PR rtl-optimization/23392 + * regrename.c (enum scan_actions) Add mark_access. + (scan_actions_name): Ditto. + (scan_rtx_reg): Handle mark_access. + (scan_rtx_address): Do nothing for mark_access. + (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR + and regs in REG_INC notes before closing chains for dead regs. + Mark destination regs in REG_FRAME_RELATED_EXPR notes after + opening chains for new writes. + +2005-11-15 David Edelsohn + + * c.opt (ffixed-line-length-none): New. + +2005-11-15 Steve Ellcey + + * mklibgcc.in: Change contents of eh_dummy.c. + +2005-11-15 Daniel Jacobowitz + + * loop.c (scan_loop): Do not insert temporaries for hard registers. + +2005-11-15 Daniel Jacobowitz + + * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead + of making syscalls. + * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also. + +2005-11-15 Jan Hubicka + + * invoke.texi (large-unit-insns): Document. + * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param. + * params.def (large-unit-insns): New param. + +2005-11-15 Hans-Peter Nilsson + + PR target/24869 + * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match + special register for operand 3. Reindent constraints to align + them vertically. + +2005-11-14 David Edelsohn + + * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf, + -mpopcntb, -mfprnd. Add -mcpu=power5+. + * configure.ac: Add test for FP rounding instructions. + * configure: Regenerate. + * config.in: Regenerate. + * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define + _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if + features enabled. + * config/rs6000/rs6000.opt (mfprnd): New. + * config/rs6000/rs6000.c (processor_target_table): Add power5+. + (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND. + * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+. + * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+. + (TARGET_FPRND): New. + * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP, + UNSPEC_FRIZ): New. + (btrunc2): New. + (ceil2): New. + (floor2): New. + (round2): New. + +2005-11-14 Geoffrey Keating + + * gcc.c (version_compare_spec_function): Use fatal() rather than + abort(). + + * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New. + (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2). + * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2) + as empty. + * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly + link in crt2.o. + + * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending + on -mmacosx-version-min setting. + +2005-11-14 Diego Novillo + + PR 24840 + * tree-vrp.c (infer_value_range): Return false if STMT is a + block terminator and its basic block has no successors. + +2005-11-14 Mike Stump + + * config/i386/i386.c (override_options): -masm=intel isn't + supported on darwin. + * doc/invoke.texi (i386 and x86-64 Options): Likewise. + +2005-11-15 Joseph S. Myers + + * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and + vfork after including auto-host.h. + +2005-11-15 Alan Modra + + PR rtl-optimization/22002 + * combine.c (distribute_notes): Detect cases where a reg dies + two or more times in a bb, including on the insn we are combining, + and place the death note on the correct range. + +2005-11-14 Dale Johannesen + + * expmed.c (store_bit_field): Add offset unconditionally for + memory targets. + (extract_bit_field): Don't force extzv or extv operand into + a register if field is too big. + +2005-11-14 Daniel Jacobowitz + + * config/arm/arm.c (pic_labelno): New. + (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a + LABEL_REF. Pass only the labelno to PIC insns. + (arm_call_tls_get_addr, legitimize_tls_address): Likewise. + (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL. + * arm.md (UNSPEC_PIC_LABEL): New constant. + (pic_add_dot_plus_four, pic_add_dot_plus_eight) + (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF. + Use the correct label prefix. + +2005-11-14 Daniel Jacobowitz + + * config/arm/arm.c (legitimize_tls_address): Use correct rtx for + REQ_EQUIV note. + +2005-11-14 Richard Earnshaw + + * loop-invariant.c: Include tm_p.h. + * Makefile.in: Updated. + +2005-11-13 John David Anglin + + * pa.c (store_reg): Revise generation of frame notes in large frames. + (set_reg_plus_d): Likewise. + +2005-11-13 Andrew MacLeod + + PR tree-optimization/24709 + * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite + loop check. + +2005-11-13 Eric Botcazou + + * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype + and duplicate declaration of pthread_self. + +2005-11-13 Eric Botcazou + Ian Lance Taylor + + PR middle-end/24003 + * calls.c (expand_call): If TARGET is a MEM and some part of the + argument area has been saved, force TARGET to a register. + +2005-11-13 Razya Ladelsky + + * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type + checking. + +2005-11-13 Jason Merrill + + PR c++/22489 + * dwarf2out.c (gen_subprogram_die): Force a declaration die for + lazily declared methods. + (force_decl_die): Stop if forcing out the context already make a + DIE for the decl. + (force_type_die): Likewise. + +2005-11-13 Andrew Pinski + + PR middle-end/24820 + * builtins.c (integer_valued_real_p): Add break in + REAL_CST having TREE_OVERFLOW set. + +2005-11-13 Zdenek Dvorak + + * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting + addressing modes during calculation of costs. + +2005-11-12 Eric Botcazou + + * function.c (assign_stack_local_1): Restrict sanity check + on frame size overflow to 32-bit and above platforms. + +2005-11-12 Hans-Peter Nilsson + + * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define. + * config/cris/cris.c: Include reload.h. + (cris_initial_elimination_offset): New function. + * config/cris/cris-protos.h: (cris_initial_elimination_offset): + Prototype. + +2005-11-12 Richard Guenther + + * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table. + +2005-11-12 Jan Hubicka + + * expr.c (expand_expr_real_1): : Canonicalize + to compare against 0 when possible. + +2005-11-12 Jie Zhang + + * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES, + HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS, + REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers. + * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers + in the new order. + +2005-11-12 Hans-Peter Nilsson + + * recog.c (constrain_operands) : For a match, require + that a non-register matches general_operand when strict >= 0. + +2005-11-11 Steven Bosscher + + * loop-invariant.c (move_loop_invariants): Fix a thinko in the + previous checkin. + +2005-11-11 Daniel Jacobowitz + + * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same) + (memory_address_same): New. + (dse_optimize_stmt): Call memory_address_same. + +2005-11-12 Hans-Peter Nilsson + + PR middle-end/24750 + * reload.c (find_reloads_address_1) : New cases. + +2005-11-11 Daniel Jacobowitz + + * longlong.h (__clz_tab): Always provide. + +2005-11-11 Steven Bosscher + + PR 24265 + * loop-invariant.c (may_assign_reg_p): Make sure a hard register + can be assigned to. + (find_invariant_insn): Do the cheapest check, may_assign_reg_p, + before check_maybe_invariant. + (move_invariant_reg): Use gen_move_insn instead of replacing + SET_DEST with the temporary for the invariant. + (move_loop_invariants): If checking is enabled, do internal + consistency checks after completing the pass. + +2005-11-11 David Edelsohn + + PR 24644 + * common.opt (Wvolatile-register-var): New. + * varasm.c (make_decl_rtl): Only emit warning when option + specified. Clarify warning message. + * doc/invoke.texi (Wvolatile-register-var): Document new option. + + * doc/md.texi (copysign): Document standard named pattern. + +2005-11-11 Jie Zhang + + * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing + bytes when align is 2. + * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed + by the first instruction of the loop. + +2005-11-11 Jason Merrill + + PR c++/24686 + * gimplify.c (gimplify_cleanup_point_expr): Also save and restore + the cleanup list. + +2005-11-11 Zdenek Dvorak + + PR rtl-optimization/22509 + * local-alloc.c (memref_used_between_p): Check whether a function call + could not reference the memref. + +2005-11-11 Ulrich Weigand + + * postreload.c (reload_cse_simplify_operands): Fix bug in sorting + algorithm so as to choose the best, not the worst, alternative. + Reset accumulated register class before processing next alternative. + +2005-11-11 Kaz Kojima + + PR target/24445 + * calls.c (expand_call): Copy a return value to a plain register + if needed. + +2005-11-10 Alexandre Oliva + + PR target/24778 + * varasm.c (assemble_name): Recompute name only for transparent + aliases. + +2005-11-10 Hans-Peter Nilsson + + * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from. + +2005-11-04 Jeff Law + + PR middle-end/23181 + * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not + perform reassociation if the parent statement will not die as + a result of the optimization. + +2005-11-10 Daniel Berlin + + * tree-ssa-alias.c (compute_may_aliases): Remove call to + delete_old_heap_vars. + * tree-dfa.c (referenced_var_remove): Remove function. + * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars. + (delete_tree_ssa): Remove call to delete_old_heapvars. + Add call to delete_alias_heapvars. + * tree-flow.h (referenced_var_remove): Remove prototype + (init_alias_heapvars): New prototype. + (delete_alias_heapvars): Ditto. + * Makefile.in (tree-ssa-structalias.o): Add + gt-tree-ssa-structalias.o + (GTFILES): Add tree-ssa-structalias.h and + tree-ssa-structalias.c. + (s-gtype): Add gt-tree-ssa-structalias.h. + * tree-ssa-structalias.c (heapvars): Remove. + (oldheapvars): Remove. + (heapvar_for_stmt): New variable. + (heapvar_lookup): New function. + (heapvar_insert): Ditto. + (get_constraint_for): See if we have an old heapvar + to reuse. + (init_alias_heapvars): New function. + (delete_alias_heapvars): Ditto. + Add include of gt-tree-ssa-structalias.h. + +2005-11-10 Eric Botcazou + + PR middle-end/22127 + * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext. + +2005-11-10 Eric Botcazou + + * tree.c (int_fits_type_p): Only look at the base type + if it has the same precision as the original type. + +2005-11-10 Jakub Jelinek + + PR other/4372 + * varasm.c (assemble_alias): Use %q+D in the error + message instead of %J and %qD. + +2005-11-10 Richard Guenther + + * gcse.c (free_ldst_entry): Only free hashtable if + it exists. + +2005-11-09 Eric Botcazou + + * function.c (assign_stack_local_1): Issue an error message if + the frame size overflows in the signed target arithmetics. + +2005-11-09 Eric Botcazou + + * tree.c (build_qualified_type): Chain the new type to the original + type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is + a POINTER_TYPE or a REFERENCE_TYPE respectively. + (build_pointer_type_for_mode): Only return unqualified types. + (build_reference_type_for_mode): Likewise. + +2005-11-09 Jakub Jelinek + + * Makefile.in (gnucompare): Do comparison of all files using one of + the chosen methods and only afterwards decide if just warning should + be issued or comparison failure raised. + +2005-11-09 Eric Botcazou + + * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn. + (noce_try_abs): Negate if the comparison is reversed. + Look only one instruction backwards for a REG_EQUAL note. + +2005-11-09 Alexandre Oliva + + PR other/4372 + * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h, + gthr-tpf.h: Define __gthrw. For all identifiers that might + be weak, introduce weakrefs or non-weak aliases with __gthrw, + and prefix all uses with __ghtrw. + +2005-11-09 Alexandre Oliva + + PR other/4372 + * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New. + (TREE_DEPRECATED): Adjust comment. Check for a DECL. + * c-common.c (handle_weakref_attribute): New. + (c_common_attribute_table): Add weakref. + * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support + in the assembler. + * configure, config.in: Rebuilt. + * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF. + * doc/extend.texi: Document weakref attribute. + * varasm.c (ultimate_transparent_alias_target): New + (assemble_name): Use it. + (weak_finish_1): Split out of... + (weak_finish): ... and deal with weakrefs in... + (weakref_targets): ... new list. + (globalize_decl): Clean up weakref_targets. + (do_assemble_alias): Handle weakrefs. + (finish_aliases_1): Do not reject weakrefs to external symbols. + (assemble_alias): Handle weakrefs. + +2005-11-09 Richard Guenther + + PR tree-optimization/24716 + * tree-scalar-evolution.c (analyze_evolution_in_loop): Use + t_bool to track results from follow_ssa_edge. + +2005-11-09 Eric Botcazou + + * final.c (force_source_line): New global variable. + (final_scan_insn): Set it to true instead of clearing last_filename. + (notice_source_line): Return true if force_source_line is true, + unless source info is absent. + +2005-11-09 Andrew Pinski + + PR c/24644 + * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add + a linkage name for a variable if it a register variable. + * c-decl.c (grokdeclarator): Global register variables + should be set as PUBLIC. + +2005-11-09 Andreas Krebbel + + PR 24624 + * config/s390/s390.c (struct s390_frame_layout): New fields + first_save_gpr_slot and last_save_gpr_slot. + (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue, + s390_emit_epilogue, s390_initial_elimination_offset): Replaced + first_save_gpr and last_save_gpr with the _slot variants. + (s390_register_info): Calculate first_save_gpr_slot and + last_save_gpr_slot using regs_ever_live. + +2005-11-09 Andreas Krebbel + + PR 24623 + * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs + for a function containing a landing pad. + +2005-11-09 Andreas Krebbel + + PR 24034 + * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register + is live afterwards. + +2005-11-08 Bernd Schmidt + + * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS, + MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New. + +2005-11-09 Nathan Sidwell + + Add ms2 support + * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New + constants. + (call,load,store): New insn types. + (mem_access, branch_access): Adjust reservation conditions. + (define_delay): Adjust condition. + (decrement_and_branch_until_zero): Allow for ms2. Set branch + type. + (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2. + (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store + insn type. + (call_internal, call_value_internal, return_internal, + return_interrupt_internal, eh_return_internal, indirect_jump, + tablejump): Set call insn type. + (blockage, ei, di): Use appropriate unspec const. + * config/ms1/ms1.c (ms1_flag_delayed_branch): New. + (ms1_get_attr_type): Adjust to give load & store types. + (ms1_final_prescan_insn): Adjust for new insn types. Don't look + backwards past a barrier. + (ms1_override_options): Accept ms2 arch. Copy and reset delayed + branch scheduling. + (struct branch_info, struct label_info): New. + (ms1_labels): New. + (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New. + (ms1_machine_reorg): New. + (TARGET_MACHINE_DEPENDENT_REORG): Override. + * config/ms1/crtn.asm: Add nop for ms2 JAL hazard. + * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2. + (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2. + (TARGET_MS2): New. + +2005-11-09 Per Bothner + Uros Bizjak + + PR c/24101 + * toplev.c (process_options): Initialize debug_hooks early + in case lang_hooks.post_options ends up calling a debug_hook. + +2005-11-08 Jakub Jelinek + + * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume + DBX_REGISTER_NUMBER being contiguous. + +2005-11-08 James A. Morrison + Diego Novillo + + PR 23046 + * tree-vrp.c (register_edge_assert_for): Do not register + always-false predicates. + +2005-11-08 Devang Patel + + PR tree-optimization/23115 + * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by + relation. + +2005-11-08 Joseph S. Myers + + * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include + -mcpu=440. + +2005-11-08 Daniel Berlin + + Fix PR tree-optimization/23382 + + * tree-ssa-alias.c (compute_may_aliases): Call + delete_old_heap_vars. + * tree-dfa.c (referenced_var_remove): New function. + * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars. + * tree-flow.h (referenced_var_remove): Add prototype. + (delete_old_heap_vars): Ditto. + * tree-ssa-structalias.c (heapvars): New variable. + (oldheapvars): Ditto. + (get_constraint_for): Put heap vars on heapvars list. + (delete_old_heap_vars): New function. + +2005-11-08 Jason Merrill + + * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK. + +2005-11-08 Uros Bizjak + + PR target/19340 + * reg-stack.c (reg_to_stack): Update register liveness also + for flag_sched2_use_traces. + +2005-11-08 Alan Modra + + PR target/23704 + * config/rs6000/rs6000.c (rs6000_handle_option ): Don't + override prior explicit -mno-powerpc-gfxopt. + +2005-11-07 Eric Botcazou + + * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns + if the bitsize is zero. + * doc/md.texi (Standard Pattern Names): Document it. + + * config/ia64/ia64.c (ia64_pass_by_reference): Delete. + (TARGET_PASS_BY_REFERENCE): Likewise. + +2005-11-07 Ian Lance Taylor + + PR rtl-optimization/24683 + * config/i386/i386.c (legitimize_pic_address): If constant operand + to PLUS is too large, put it in a register. + +2005-11-07 Jie Zhang + + * configure.ac: Enable checking assembler dwarf2 support for bfin + target. + * configure: Regenerate. + +2005-11-07 Paolo Bonzini + + PR target/24230 + + * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same, + gen_easy_vector_constant_add_self): Delete. + (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant): + New. + (output_vec_const_move): Use gen_easy_altivec_constant. + (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE. + * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests. + (easy_vector_constant_add_self): Rewritten. + * config/rs6000/rs6000-protos.h (easy_vector_splat_const, + easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype. + (easy_altivec_constant, gen_easy_altivec_constant): Add prototype. + * config/rs6000/altivec.md (easy_vector_constant_add_self splitters): + Macroize and adjust for the other changes. + +2005-11-07 Paolo Bonzini + + PR c/24599 + + * c-typeck.c (build_c_cast): Try using a shared constant, and see + if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed. + +2005-11-07 Jakub Jelinek + + PR rtl-optimization/23567 + * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function. + (noce_process_if_block): Don't do any optimizations except + if (cond) x = x; if !set_b and write into orig_x may trap + or fault. Remove the MEM_READONLY_P check. + +2005-11-06 Diego Novillo + + PR 24670 + * tree-vrp.c (fix_equivalence_set): New. + (extract_range_from_assert): Call it. + +2005-11-05 Ian Lance Taylor + + PR target/22432 + * combine.c (apply_distributive_law): Don't distribute across a + vector mode subreg. + +2005-11-05 Kazu Hirata + + * c-typeck.c, config/i386/netware.h, config/m32c/cond.md, + config/ms1/ms1.h, config/rs6000/predicates.md, + config/s390/s390.c, params.def, postreload-gcse.c, + tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c, + tree-vrp.c, tree.c: Fix comment typos. + * doc/invoke.texi: Fix typos. + +2005-11-05 Sebastian Pop + + * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS + for testing whether the data_dependence_relation contains distance + vectors. Iterate over all distance vectors of the ddr. + * lambda.h: Define a vec of lambda_vector pointers. + * tree-data-ref.c (dump_data_dependence_relation, + dump_data_dependence_direction): Iterate over all distance and + direction vectors of the ddr. + (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and + DDR_DIST_VECTS. + (build_classic_dist_vector, build_classic_dir_vector): Push a set + of distance/direction vectors instead of a single one. + * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist + lambda_vectors with a vec of lambda_vectors. + (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec. + (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS, + DDR_NUM_DIST_VECTS): New. + * tree-loop-linear.c (gather_interchange_stats): Test for the + existence of distance vectors only after having checked that there + is a dependence. Iterate over all distance vectors of the ddr. + (linear_transform_loops): Use dump_data_dependence_relation. + * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for + distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the + distance vectors of the ddr. + +2005-11-05 Bernd Schmidt + + * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save, + expand_prologue_reg_save, expand_epilogue_reg_restore): New argument + IS_INTHANDLER; all callers changed. + (n_regs_saved_by_prologue): Take interrupt handler attributes into + account. + (do_link, do_unlink): New argument ALL; all callers changed. + (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue): + If function isn't leaf, save and restore all registers. + (bfin_function_ok_for_sibcall): Only true if not an interrupt or + exception handler. + +2005-11-05 Jan Hubicka + + PR rtl-optimization/23490 + * doc/invoke.texi (max-predicted-iterations, max-cse-insns, + max-flow-memory-location): Document. + * flow.c: Include params.h + (MAX_MEM_SET_LIST_LEN): Kill. + (add_to_mem_set_list): Use new param. + * cse.c (cse_basic_block): Replace 1000 by new param. + * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS, + PARAM_MAX_FLOW_MEMORY_LOCATIONS): New. + * predict.c (predict_loops): Use new param. + * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove. + + * ipa-inline.c (cgraph_decide_inlining_of_small_function, + cgraph_decide_inlining, cgraph_decide_inlining_incrementally): + Do not hold memory returned by cgraph_node_name across other call. + +2005-11-04 Hans-Peter Nilsson + + PR target/23424 + * config/cris/predicates.md ("cris_bdap_sign_extend_operand"): + Disable. + +2005-11-04 Jeff Law + + PR/21883 + * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM. + * tree-ssa-dom.c: Include params.h. + (thread_across_edge): If there are too many statements in the + target block, then do not thread through it. + * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H). + * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM. + +2005-11-03 Diego Novillo + + PR 24627 + * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use + TODO_update_ssa instead of TODO_update_ssa_no_phi. + +2005-11-04 Sebastian Pop + + PR/18595 + * tree-scalar-evolution.c (instantiate_parameters_1, + instantiate_parameters, resolve_mixers): Compute the size of an + expression to be instantiated and give up the instantiation if the + size exceeds PARAM_SCEV_MAX_EXPR_SIZE. + +2005-11-04 Richard Guenther + + * tree-flow.h (ref_contains_indirect_ref): Rename to + array_ref_contains_indirect_ref. + * tree-flow-inline.h (ref_contains_indirect_ref): Likewise. + (array_ref_contains_indirect_ref): Make comment match the code + and vice-versa. + (ref_contains_array_ref): Likewise. + * tree-ssa-structalias.c (find_func_aliases): Remove call to + ref_contains_indirect_ref. + * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): + Rename calls to ref_contains_indirect_ref. + +2005-11-04 Paul Brook + + * config/arm/arm.c (arm_load_pic_register): Pass extra reg to + gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight. + (arm_call_tls_get_addr, legitimize_tls_address): Likewise. + * config/arm/arm.md: Use match_operand in peephole input templates + and match_dup in peephole output templates. + +2005-11-04 Daniel Jacobowitz + + * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and + __aeabi_uidiv. + +2005-11-04 Mark Mitchell + Daniel Jacobowitz + + * longlong.h (add_ssaaaa): Clobber condition code register + in ARM version. + (sub_ddmmss): Likewise. + (umul_ppmm): Likewise. + +2005-11-04 Daniel Jacobowitz + Paul Brook + Phil Blundell + + * configure.ac: Add test for ARM TLS support. + * configure: Regenerated. + * config/arm/arm-protos.h (legitimize_tls_address) + (arm_tls_referenced_p, tls_mentioned_p) + (arm_output_addr_const_extra): New prototypes. + (thumb_legitimize_pic_address): Delete. + * config/arm/arm.c: Include "gt-arm.h". + (enum tls_reloc): New. + (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand) + (pcrel_constant_p, get_tls_get_addr, arm_load_tp) + (arm_call_tls_get_addr, legitimize_tls_address) + (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p) + (arm_init_tls_builtins, arm_emit_tls_decoration) + (arm_output_addr_const_extra): New functions. + (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM) + (TARGET_HAVE_TLS): Define. + (target_thread_pointer): New. + (arm_override_options): Handle -mtp=. + (legitimize_pic_address): Ignore UNSPECs. + (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC + relative symbols. + (arm_legitimize_address, thumb_legitimize_address): Handle TLS. + (tls_get_addr_libfunc): New variable. + (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS. + (arm_init_builtins): Call arm_init_tls_builtins. + (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER. + (arm_encode_section_info): Call default_encode_section_info. + * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define. + (enum arm_tp_type): New. + (target_thread_pointer): Add declaration. + (LEGITIMATE_CONSTANT_P): Handle TLS. + (LEGITIMATE_PIC_OPERAND_P): Handle TLS. + (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra. + (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER. + * config/arm/arm.md: Add UNSPEC_TLS. + (movsi): Handle TLS. + (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for + non-PIC. + (tls_load_dot_plus_eight): New insn and a peephole to create it. + (load_tp_hard, load_tp_soft): New insns. + * arm.opt: Add -mtp=. + * doc/invoke.texi (ARM Options): Document -mtp. + +2005-11-04 Daniel Jacobowitz + + * config/arm/lib1funcs.asm: Don't include "libunwind.S". + * config/arm/libunwind.S: Include "lib1funcs.asm". + * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind. + (LIB2ADDEH): Add libunwind.S. + (LIB2ADDEHDEP): Add lib1funcs.asm. + * mklibgcc.in: Handle asm files in libgcc_eh.a. + +2005-11-04 Francois-Xavier Coudert + + PR fortran/18452 + * c.opt: Add a -lang-fortran option. + * c-opts.c: Add a lang_fortran flag. + (c_common_init_options): Handling the -lang-fortran option. + (c_common_handle_option): Add a case for Fortran options in + preprocessing. Remove cases for -ffixed-form and + -ffixed-line-length. Add a case for -lang-fortran. + +2005-11-03 David Edelsohn + + * config/rs6000/rs6000.c: Include params.h + (optimization_options): Set max-grow-copy-bb-insns default to 16. + (bdesc_2arg): Delete vpkuhss and vpkuwss. + * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete. + (UNSPEC_VPKUWSS): Delete. + (altivec_vpkuhss): Delete. + (altivec_vpkuwss): Delete. + * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from + final condition. + (neg_eq0): Remove final condition. + (neg_eq): Remove condition and split-condition. + +2005-11-04 Alan Modra + + * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT. + Use associated print macros. + +2005-11-03 Joseph S. Myers + + PR c++/17964 + * diagnostic.c (diagnostic_set_info_translated): New function. + (diagnostic_set_info): Use it. Add comment. + * diagnostic.h (diagnostic_set_info_translated): Declare. + +2005-11-03 Eric Botcazou + + * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'. + On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect + reference only if 'public' is true. + (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms, + emit the .hidden directive only if the indirect reference is public. + (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'. + Pass it to dw2_force_const_mem. + * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'. + * dwarf2out.c (output_cfi): Adjust calls to above function. + (output_call_frame_info): Likewise. + * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object + as 'public' argument to dw2_asm_output_encoded_addr_rtx. + +2005-11-03 Zdenek Dvorak + + PR tree-optimization/24483 + * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest + field to elts if possible. + +2005-11-03 Andrew Pinski + + PR middle-end/23155 + * gimplifier.c (gimplify_expr): Create a temporary for lvalue + CONSTRUCTOR. + +2005-11-03 Daniel Berlin + + Fix PR tree-optimization/24351 + + * tree-ssa-structalias.c (struct variable_info): Add + collapsed_into. + (get_varinfo_fc): New function to follow collapsing. + (new_var_info): Set collapsed_to to NULL. + (dump_constraint): Follow collapsing. + (build_constraint_graph): Handle collapsing. + (do_simple_structure_copy): Return false if something bad + happened. + (collapse_rest_of_var): New function. + (do_structure_copy): Collapse if do_simple_structure_copy returns + false. + +2005-11-03 Andrew Pinski + + PR middle-end/24589 + * gimplify.c (gimplify_expr) : Add the + expressions to a statement list instead of gimplifying them. + +2005-11-03 Eric Botcazou + + PR rtl-optimization/23585 + * rtlanal.c (rtx_addr_can_trap_p_1) : Return 0 for an address + that can't trap plus a constant integer, if the mode has zero size. + +2005-11-03 Ulrich Weigand + + PR target/24620 + * config/s390/s390.md ("*insv_reg_imm"): Accept any CONST_INT + as operand 2. + ("*insv_reg_extimm"): Likewise. + +2005-11-03 Joseph S. Myers + + PR c/24329 + * c-pretty-print.c (pp_c_type_specifier): Do not recurse if + c_common_type_for_mode returns an unnamed type. + +2005-11-02 Richard Henderson + + PR target/9350 + PR target/24374 + * dwarf2out.c (dwarf2out_reg_save_reg): New. + (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec. + * function.c (assign_parms): Use calls.internal_arg_pointer. + (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN + code. + * target-def.h (TARGET_INTERNAL_ARG_POINTER): New. + (TARGET_CALLS): Add it. + * target.h (struct gcc_target): Add calls.internal_arg_pointer. + * targhooks.c (default_internal_arg_pointer): New. + * targhooks.h (default_internal_arg_pointer): Declare. + * tree.h (dwarf2out_reg_save_reg): Declare. + * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove. + * config/i386/i386.c (dbx_register_map): Add return column. + (dbx64_register_map, svr4_dbx_register_map): Likewise. + (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New. + (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New. + (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer. + (ix86_save_reg): Save force_align_arg_pointer. + (ix86_emit_save_regs): Make regno unsigned. + (ix86_emit_save_regs_using_mov): Likewise. + (ix86_expand_prologue): Handle force_align_arg_pointer. + (ix86_expand_epilogue): Likewise. + * config/i386/i386.h: (dbx_register_map): Update. + (dbx64_register_map, svr4_dbx_register_map): Update. + (struct machine_function): Add force_align_arg_pointer. + * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New. + (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber. + (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P. + +2005-11-02 Jan Hubicka + + PR target/23303 + * i386.md: Add peep2 for simplyfing array accesses. + +2005-11-02 Ulrich Weigand + + PR target/24615 + * config/s390/s390-protos.h (s390_decompose_shift_count): Declare. + * config/s390/s390.c (s390_decompose_shift_count): New function. + (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count. + (print_shift_count_operand): Use s390_decompose_shift_count. + * config/s390/predicates.md ("setmem_operand", "shift_count_operand"): + Use s390_decompose_shift_count. Do not accept any non-base hard regs. + +2005-11-02 Ulrich Weigand + + PR target/24600 + * loop.c (loop_givs_rescan): Use force_operand to expand + complex GIVs. + +2005-11-02 Andrew Pinski + + PR 22429 + * fold-const.c (build_range_check): Use unsigned when signed + overflow is undefined also. If etype is subtype, make sure that + the subtraction is in the supertype. + +2005-11-02 Richard Henderson + + PR target/24178 + * config/alpha/alpha.c (get_aligned_mem): Honor alignment given + by MEM_ALIGN. + +2005-11-01 Richard Henderson + + PR 21518 + * loop.c (scan_loop): Do not propagate computations to a hard + register destination with SMALL_REGISTER_CLASSES. + +2005-11-01 Joseph S. Myers + + * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra + costs for MULT inside PLUS or MINUS. + +2005-11-01 Bob Wilson + + * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding. + (TRAMPOLINE_SIZE): Round up to 60. + * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise. + +2005-10-31 James E. Wilson + + PR debug/24444 + * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO + ifdef. Put ifdefs around call in gen_subprogram_die. + (compute_frame_pointer_to_cfa_displacement): Likewise. + (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is + not defined. + + PR rtl-optimization/17356 + * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code, + add check for CALL_INSN if EDGE_ABRNOMAL_CALL true. + +2005-10-31 Jan Hubicka + + PR middle-end/24093 + * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative + + PR target/20928 + * i386.c (legitimize_pic_address): Deal with large immediates. + + PR profile/20815 + * coverage.c (coverage_checksum_string): Fix code to stip random seeds + from symbol names while computing checkup. + + PR profile/24487 + * predict.c (predict_loops): Do not estimate more than + MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic. + * predict.def (MAX_PRED_LOOP_ITERATIONS): Define. + +2005-10-31 Andrew MacLeod + + PR tree-optimization/19097 + * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts. + +2005-10-31 J"orn Rennecke + + * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account. + +2005-10-31 Andrew Pinski + + PR middle-end/23492 + * tree-inline.c (setup_one_parameter): If the init_stmt + is NULL, don't insert the statement. + +2005-10-30 Jan Hubicka + + PR tree-optimization/24172 + * tree-inline.c (copy_body_r): Unshare the substituted value first. + +2005-10-30 Hans-Peter Nilsson + + * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode + constants for hosts with long != 32 bits. + +2005-10-28 Andreas Krebbel + + PR middle-end/24093 + * ipa-inline.c (craph_decide_recursive_inlining): Fix return value. + +2005-10-28 Aldy Hernandez + + * config/ms1/ms1.h (TARGET_MS1_64_001): New. + (TARGET_MS1_16_002): New. + (TARGET_MS1_16_003): New. + + * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite. + ("*decrement_and_branch_until_zero_no_clobber"): New. + Add corresponding splitter for decrement_and_branch_until_zero + instruction. + Key all decrement_and_branch_until_zero patterns off of + TARGET_MS1_16_003. + +2005-10-28 Andrew Pinski + + PR middle-end/24362 + * tree-complex.c (extract_component): Treat RESULT_DECL + like the rest of the decls. + +2005-10-25 Eric Botcazou + + * config/ia64/ia64.c (ia64_output_function_profiler): Emit an + indirect call to _mcount if the function needs a static chain. + +2005-10-25 Eric Botcazou + Caroline Tice + + PR rtl-optimization/24460 + * dwarf2out.c (have_switched_text_sections): New boolean variable. + (dwarf2out_switch_text_section): Set it to true instead of + incrementing separate_line_info_table_in_use. + (output_loc_list): Additionally test have_switched_text_sections. + (output_ranges): Likewise. + (dwarf2out_finish): Likewise. + * varasm.c (assemble_start_function): Do not call + insert_section_boundary_note. + (assemble_end_function): If flag_reorder_blocks_and_partition, + switch to the function's section before emitting the .size directive. + * bb-reorder.c (insert_section_boundary_note): Staticify. + (rest_of_handle_reorder_blocks): Call insert_section_boundary_note. + * output.h (insert_section_boundary_note): Delete. + +2005-10-24 Andrew Pinski + + PR c/23103 + * c-format.c (check_format_types): Use lang_hooks.types_compatible_p + instead of pointer equality when comparing types. + +2005-10-24 James E. Wilson + + * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two + add_dependence_list_and_free calls. + +2005-10-24 Steven Bosscher + + * contrib.texi: Add the names of the LLNL folks who donated + Cray pointer support for gfortran. + +2005-10-24 Steven Bosscher + + PR tree-optimization/24225 + * profile.c (branch_prob): Look from end to start through a + basic block when looking for a locus. + +2005-10-24 Richard Henderson + + * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in + parallel. + (hppa_expand_prologue): Likewise. + +2005-10-24 John David Anglin + + * pa-linux.h (NO_PROFILE_COUNTERS): Delete define. + (NO_DEFERRED_PROFILE_COUNTERS): Define. + * pa.h (NO_PROFILE_COUNTERS): Define. + * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined. + (funcdef_nos): New vector to hold label numbers of deferred profile + counters. + (output_deferred_profile_counters): New function. + (hppa_profile_hook): Push label number onto funcdef_nos. + (pa_hpux_file_end): Call output_deferred_profile_counters if + NO_DEFERRED_PROFILE_COUNTERS is false. + + * pa-protos.h (get_deferred_plabel): New prototype. + * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel. + Make global. + (output_call): Adjust calls. + +2005-10-24 Alan Modra + + * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain + peculiarity of GOT/TOC section usage. + +2005-10-23 Andrew Pinski + + PR objc/24435 + * c-common.c (constant_string_class_name): Add documentation. + +2005-10-23 Kaz Kojima + + PR target/23832 + * recog.c (peephole2_optimize): Increment peep2_current_count + only when the slot is empty. + +2005-10-23 John David Anglin + + PR ada/23957 + * except.c (output_function_exception_table): Call + assemble_external_libcall if we need a personality function. + +2005-10-21 Eric Botcazou + + PR rtl-optimization/24460 + * bb-reorder.c (fix_crossing_unconditional_branches): Do not + set the basic block for barriers. + +2005-10-21 Janis Johnson + + * var-tracking.c (vt_initialize): Initialize post. + +2005-10-21 Devang Patel + + PR/24220 + * c-common.c (vector_types_convertible_p): Check vector element type. + +2005-10-21 Kaz Kojima + + * config/sh/sh.c (prepare_move_operands): Handle the address + constant which is a tls symbolic address plus a constant. + +2005-10-21 Andrew Pinski + + PR driver/24473 + * gcc.c (main): Use the correct counter for erroring out + about mulitple files. + +2005-10-21 Alan Modra + + PR target/24465 + * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always + use r2 for 64-bit tls .got access. + +2005-10-21 Paolo Bonzini + + * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and + TRUTH_OR_EXPR. + +2005-10-20 Steven Bosscher + + PR tree-optimization/24307 + * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR. + +2005-10-20 Alexandre Oliva + + PR middle-end/24295 + * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark + alias targets. + * varasm.c (find_decl_and_mark_needed): After cgraph global info + is ready, stop marking functions, but still mark variables. + +2005-10-20 Richard Guenther + + PR c++/24439 + * fold-const.c (invert_truthvalue): Handle COND_EXPR with + void type operands. + +2005-10-20 Eric Botcazou + + PR rtl-optimization/23585 + * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from... + (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1. + (may_trap_p_1): New predicate extracted from... + (may_trap_p): ... here. Invoke may_trap_p_1. + (may_trap_or_fault_p): New predicate. + * rtl.h (may_trap_or_fault_p): Declare it. + * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p + instead of may_trap_p. + (steal_delay_list_from_fallthrough): Likewise. + (fill_simple_delay_slots): Likewise. + (fill_slots_from_thread): Likewise. + * function.c (pad_to_arg_alignment): Rework comment about + SPARC_STACK_BOUNDARY_HACK. + * config/sparc/sparc.h: Likewise. + +2005-10-19 Adrian Straetling + + * config/s390/s390.c (s390_expand_insv): New. + * config/s390/s390-protos.h (s390_expand_insv): Declare. + * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM". + ("icm_hi"): Remove mode attribute. + ("*sethigh"): Rewrite to "sethighpart". + Adjust all uses. + ("*extracthi", "*extractqi"): Remove. + (extv", "*extzv"): New. + ("insv", "*insv_mem_reg", "*insvdi_mem_reghigh", + "*insv_reg_imm", "*insv_reg_extimm"): New. + +2005-10-19 Ulrich Weigand + + * cfgexpand.c (discover_nonconstant_array_refs_r, + discover_nonconstant_array_refs): Move here from tree-outof-ssa.c + (tree_expand_cfg): Call discover_nonconstant_array_refs. + * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to + discover_nonconstant_array_refs. + +2005-10-19 Steven Bosscher + + PR c/23228 + * c-decl.c (pop_scope): Don't warn about an unused variable + if it is marked with TREE_NO_WARNING. + (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl + somenow mismatch and olddecl is to be replaced. + +2005-10-19 Eric Botcazou + + PR middle-end/23199 + * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect + whether registers live on the edge can be saved/restored. + +2005-10-19 Kaz Kojima + + * config/sh/sh.c (fixup_mova): Skip notes. + +2005-10-19 Ulrich Weigand + + * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype. + * config/s390/s390.c (s390_hard_regno_rename_ok): New function. + (s390_can_eliminate): Handle BASE_REGNUM elimination. + (s390_initial_elimination_offset): Likewise. + (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed + register on TARGET_ZARCH targets. + * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define + (INITIAL_FRAME_POINTER_OFFSET): Remove. + (REG_ALLOC_ORDER): Move BASE_REGNUM lower. + (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule. + +2005-10-19 Andreas Krebbel + + * config/s390/s390.md: Comment describing output modifiers updated. + * config/s390/s390.c (print_operand): Likewise. + +2005-10-19 Andreas Krebbel + + * config/s390/s390.c (override_options): Added check for -mstack-size + 64k limitation. + * doc/invoke.texi: Mention that limit in the documenation. + +2005-10-18 Paolo Bonzini + + PR #19672 + * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here. + +2005-10-18 Daniel Berlin + + Fix PR tree-optimization/24231 + + * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names + (compute_avail): Ditto. + +2005-10-18 Richard Henderson + + PR target/24428 + * config/i386/i386.c (legitimate_constant_p): Check + SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF + if LABEL_REF. + (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly. + (legitimate_pic_address_disp_p): Reorg CONST checking to make + sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL + directly. + (print_operand_address): Likewise. + * config/i386/predicates.md (x86_64_immediate_operand): Test + SYMBOL_REF_TLS_MODEL properly inside CONST. + (x86_64_zext_immediate_operand): Likewise. + (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand, + initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove. + * config/i386/i386-protos.h: Remove predicates.md entries. + +2005-10-18 Danny Smith + + * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition): + Check that elements of TYPE_METHODS are FUNCTION_DECLs. + +2005-10-17 Alexey Starovoytov + Ian Lance Taylor + + PR middle-end/23522 + * fold-const.c (fold_widened_comparison): Do not allow range based + constant folding when right operand cannot be unwidened. + +2005-10-17 Richard Henderson + + * builtins.c (expand_builtin_synchronize): Build a new-style asm + with a memory clobber. + +2005-10-17 James E Wilson + + PR rtl-optimization/17356 + * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before + checking for EDGE_EH. + +2005-10-17 Eric Botcazou + + * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align + the slot on an even boundary for any type with 16-byte alignment. + +2005-10-17 Hans-Peter Nilsson + + PR target/23424 + * md.texi (Modifiers) <%>: Clarify that % doesn't work + after register allocation. + +2005-10-17 DJ Delorie + + * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns + as frame related. + +2005-10-17 Nathan Sidwell + + PR c++/22551 + * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of + overflow flags. + +2005-10-17 Kaz Kojima + + * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns + to 2 if it's already non-zero. + (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions + is set and warn about it if flag_schedule_insns is 1. + +2005-10-17 Paul Woegerer + + * config/crx/crx.md: Compare-and-branch instructions need to + invalidate CC. + +2005-10-17 Uros Bizjak + + PR target/24315 + * config/i386/i386.md (*pushdi2_rex64 splitter) + (*movdi_1_rex64 splitter, *ashldi3_1 splitter) + (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after + flow2 pass only when (optimize > 0 && flag_peephole2). + +2005-10-16 Andrew Pinski + + PR driver/22544 + * gcc.c (have_c): New static variable. + (have_o): Likewise. + (process_command): Remove declation of have_c. + Set have_o to 1 when handling -o. + (main): Add a fatel error if there are multiple + files specified and -o and -c/-S is passed witout + -combine or multiple languages. + +2005-10-16 Daniel Berlin + + Fix PR tree-optimization/22444 + * tree-ssa-alias.c (compute_flow_insensitive_aliasing): + Assert that we don't hit something with subvars. + (setup_pointers_and_addressables): Don't add things with subvars, + because we'll already process the subvars for aliasing purposes. + +2005-10-16 Hans-Peter Nilsson + + PR target/23424 + * config/cris/cris.md ("*mov_side", "*mov_sidesisf") + ("*mov_side_mem", "*mov_sidesisf_mem", "*clear_side") + ("*ext_sideqihi", "*ext_sidesi", "*op_side") + ("*op_swap_side", "*extopqihi_side", "*extopsi_side") + ("*extopqihi_swap_side", "*extopsi_swap_side"): Have separate, + swapped, alternatives for the R constraint. + + PR middle-end/24341 + * builtins.c (get_builtin_sync_mode): Make unlimited + mode_for_size request. + +2005-10-15 Richard Henderson + + * gimplify.c (gimplify_var_or_parm_decl): Split out from ... + (gimplify_expr): ... here. + (gimplify_compound_lval): Use it in initial scan loop. Allow + fb_lvalue in base expression. + +2005-10-15 Richard Henderson + + PR 23714 + * builtins.c (expand_builtin_trap): Export. + * expr.h (expand_builtin_trap): Declare. + * expr.c (expand_assignment): Emit a trap for integral offsets + from registers that weren't reduced to bitpos. + + * tree-cfg.c (mark_array_ref_addressable_1): Remove. + (mark_array_ref_addressable): Remove. + * tree-flow.h (mark_array_ref_addressable): Remove. + * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it. + +2005-10-15 James E Wilson + + PR target/24232 + * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers. + (add_dependence_list_and_free): Likewise. + (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p + call. + +2005-10-15 Diego Novillo + + PR 23141 + PR 23142 + * tree-vrp.c (vrp_meet): Fix the intersection of equivalence + sets VR0->EQUIV and VR1->EQUIV when meeting a range and an + anti-range. + (vrp_visit_phi_node): Only prevent infinite iterations when + the previous result and the new result are both VR_RANGEs. + +2005-10-15 Ranjit Mathew + + * tree-into-ssa.c (mark_def_sites): Correct minor typo in + function comment. + +2005-10-14 Volker Reichelt + + PR c/23439 + * c-parser.c (c_parser_for_statement): Use location of RID_FOR + to initialize loc. + +2005-10-14 Per Bothner + + PR preprocessor/21250 + * c-ppoutput.c (print_line): Print internal line 0 as 1. + +2005-10-14 Nathan Sidwell + + PR c++/22551 + * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's + overflow flags. Refactor some conditionals. + +2005-10-13 Andrew Pinski + + PR tree-opt/21304 + * tree-dfa.c (add_referenced_var): Only look at decls which + have TREE_CONSTANT or TREE_READONLY set instead of if + !TREE_PUBLIC or !TREE_CONSTANT. + +2005-10-13 James E Wilson + + * doc/invoke.texi: For -x, add f95-cpp-input. + * doc/install.texi: For --enable-languages doc, change f95 to fortran. + +2005-10-12 Sebastian Pop + + PR tree-optimization/24262 + * tree-data-ref.c (analyze_offset_expr): Check that init is invariant + in loop all the time. + +2005-10-12 Richard Henderson + + PR c/24255 + * tree.h (DECL_TRANSPARENT_UNION): Remove. + * function.c (assign_parm_find_data_types): Don't support it. + * print-tree.c (print_node): Likewise. + * c-common.c (handle_transparent_union_attribute): Likewise. + Use build_duplicate_type. + * tree-inline.c (remap_type_1): Split out of remap_type; + properly remap aggregate fields. + (build_duplicate_type): New. + * doc/extend.texi (Variable Attributes): Remove documentation + for transparent_union. + +2005-10-12 Eric Botcazou + + PR target/24284 + * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand. + (gen_stack_pointer_dec): Likewise. + +2005-10-12 Danny Smith + + PR middle-end/21275 + PR middle-end/21766 + * target.h (struct gcc_target): Add valid_dllimport_attribute_p + target hook. + (struct cxx): Add adjust_class_at_definition target hook. + * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define, + defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER + (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to + hook_void_tree. Add to TARGET_CXX. + * tree.h (struct decl_with_vis): Rename non_addr_const_p field to + dllimport_flag. + (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro. + * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P + instead of attribute. Check for dllexport override. Warn if + inconsistent dll linkage. Don't lose old dllimport if decl has + had address referenced. Tweak lookup of dllimport atribute. + (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p + for target specific rules. Don't add dllimport attribute if + DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding + dllimport attribute. + (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P. + * varasm.c (initializer_constant_valid_p): Replace + DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P + + PR target/21801 + PR target/23589 + * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to + 'cxx_target_objs', winnt-stubs,o to 'extra_objs'. + (i[34567]86-*-mingw32*): Likewise. + + * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document. + (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document. + + * config/i386/winnt.c (i386_pe_dllimport_p): Factor out + C++-specific code. Change return value to bool. + (i386_pe_dllimport_p): Likewise. + (associated_type): Simplify and make language-independent + (i386_pe_encode_section_info): Replace override of ambiguous + dllimport symbol refs with a gcc_assert. + (i386_pe_valid_dllimport_attribute_p): Define. + * config/i386/winnt-cxx.c: New file. Define C++ versions of + i386_pe_type_dllimport_p, i386_pe_type_dllexport_p, + i386_pe_adjust_class_at_definition. + * config/i386/winnt-stubs.c: New file. Define stub versions of + lang-specific functions. + * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions + i386_pe_type_dllimport_p, i386_pe_type_dllexport_p, + i386_pe_adjust_class_at_definition. + (i386_pe_valid_dllimport_attribute_p): Declare. + * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define. + (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define. + * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o. + + PR target/19704 + * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for + dllimport attribute with test of DECL_DLLIMPORT_P. + +2005-10-12 Adrian Straetling + + * combine.c (make_extraction): Correct offset computation. + +2005-10-12 Hans-Peter Nilsson + + * config/cris/t-linux (LIMITS_H_TEST): Define. + +2005-10-12 Richard Henderson + + PR rtl-opt/23324 + * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p. + +2005-10-12 Richard Guenther + + * Makefile.in (CGRAPH_H): Depend on $(TREE_H). + +2005-10-12 Nathan Sidwell + + PR c++/19964 + * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and + DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid + type. + +2005-10-12 Richard Guenther + + PR c++/23799 + * varasm.c (output_constant): Correct typo from previous + patch by DJ. + +2005-10-11 Ian Lance Taylor + + PR rtl-optimization/13931 + * combine.c: Revert patch of 2003-05-14, and: + (try_combine): Only set elim_i1 and elim_i2 if the destination is + completely killed in the appropriate insn. + (distribute_notes): Don't skip multiple hard register test for + elim_i1 and elim_i2. + +2005-10-11 Richard Henderson + + PR c/24255 + * c-typeck.c (convert_for_assignment): Use build_constructor_single + to initialize a transparent union instead of a nop_expr. + +2005-10-11 Richard Henderson + + * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H. + * tree-ssa-dce.c: Include tree-scalar-evolution.h. + (tree_ssa_dce_loop): Call scev_reset. + + PR tree-opt/24300 + * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H. + * tree-ssa-dce.c: Include cfgloop.h. + (tree_ssa_dce_loop, pass_dce_loop): New. + * tree-pass.h (pass_dce_loop): Declare it. + * passes.c (init_optimization_passes): Use it. + +2005-10-11 Eric Botcazou + + PR middle-end/24263 + * convert.c (convert_to_real): Revert 2005-10-05 patch. + Only apply the optimization for rounding builtins if the inner + cast is also an extension. + +2005-10-11 Andrew Pinski + + PR tree-opt/23946 + * tree-ssa-ccp.c (execute_fold_all_builtins): Call + mark_new_vars_to_rename instead of update_stmt. + +2005-10-11 Bernd Schmidt + + * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini. + +2005-10-11 Jakub Jelinek + + * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type + for setting MMX register to 0 rather than mmx. + +2005-10-10 Mark Mitchell + + * toplev.c (check_global_declaration_1): Robustify. + +2005-10-10 Steve Ellcey + + PR target/12098 + * configure.ac: Move gas check from mips specific case to common case. + Do check for GNU as for mips*-*-* and *-*-hpux* targets. + * configure: Regenerate + * doc/install.texi: Update. + +2005-10-10 Eric Botcazou + + PR target/24284 + * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN. + +2005-10-10 Maciej W. Rozycki + + * gcc.c (do_spec_1): Accept numeric characters in file name + suffixes. + +2005-10-10 Nick Clifton + + * config/arm/arm.c: Remove extraneous whitespace. Remove comment + describing the deleted arm_gen_rotated_half_load function. + +2005-10-09 Kaz Kojima + + * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for + __fpscr_values. + +2005-10-09 Daniel Jacobowitz + + * config.gcc (arm*-*-linux*): Remove redundant extra_parts and + gnu_ld assignments. + * config/arm/t-linux-eabi (LIB1ASMFUNCS) + (EXTRA_MULTILIB_PARTS): Define. + * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC) + (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC) + (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to... + * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC) + (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC) + (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here. + +2005-10-09 Zdenek Dvorak + + PR tree-optimization/24226 + * tree-cfg.c (remove_bb): Clean up unreachable loops. + * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare. + * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop): + Export. + +2005-10-09 Eric Botcazou + + * config/sparc/gmon-sol2.c (internal_mcount): Mark as used. + +2005-10-08 Andrew Pinski + + PR target/24136 + * config/rs6000/darwin.md (movdf_low_si): Remove early clobber. + Rewrite for no need for the early clobber. + +2005-10-08 Kazu Hirata + + Merge from csl-arm-branch: + 2005-09-07 Paul Brook + * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a + space to string. + + 2005-04-30 Paul Brook + * config/arm/bpabi.h (TARGET_DEFAULT): Define. + * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define. + + 2005-03-07 Daniel Jacobowitz + * config/arm/arm.c (arm_all_abis): Add aapcs-linux. + (arm_override_options): Use TARGET_AAPCS_BASED. + * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX. + (PTRDIFF_TYPE): Use int for AAPCS. + (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux. + * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define. + (DEFAULT_SHORT_ENUMS): Delete. + * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux. + + 2004-12-15 Daniel Jacobowitz + * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef. + * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0. + * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC. + + 2004-12-03 Mark Mitchell + * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define. + + 2004-11-22 Mark Mitchell + * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit. + + 2004-11-19 Mark Mitchell + * config.gcc (arm*-*-linux-gnueabi): Add it. + * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before + redefining it. + (TARGET_OS_CPP_BUILTINS): Likeiwse. + * config/arm/linux-eabi.h: New file. + * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro. + (LINUX_TARET_LINK_SPEC): Likewise. + (LINK_SPEC): Use it. + * config/arm/t-linux-eabi: New file. + +2005-10-08 Steven Bosscher + + PR other/22202 + * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous + spaces. + (PARAM_SMS_DFA_HISTORY): Likewise. + +2005-10-08 Kazu Hirata + + PR middle-end/23150 + * calls.c (mem_overlaps_already_clobbered_arg_p): New. + (load_register_parameters): Call it. + (check_sibcall_argument_overlap_1): Likewise. + (store_one_arg): Likewise. + +2005-10-07 James E. Wilson + + * config/ia64/vect.md (ashl3, ashr3, lshr3): Use + DImode not VECINT24 for operand 2. + + PR target/23644 + * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from + -mtune-arch. + + PR target/24193 + * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal, + fr_spill): Use destination_operand for operand 0. + +2005-10-07 DJ Delorie + + * varasm.c (output_constant): Limit error to expanding + conversions. + +2005-10-07 Richard Guenther + + PR middle-end/24227 + * fold-const.c (fold_binary): Fix operand types during folding + of X op (A, Y). Evaluation order of the side-effects of + X and A are frontend-defined, so ensure we honour that even for + tcc_comparison class operands; eased by removing duplicate code. + +2005-10-07 Steve Ellcey + + * stor-layout.c (layout_type): Do not allow alignment of array + elements to be greater than their size. + +2005-10-07 Steve Ellcey + + * config.host (hppa*-*-hpux*): Change out_host_hook_obj and + host_xmake_file. + (hppa*-*-linux*): Ditto. + (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file. + * config/host-hpux.c: New. + * config/x-hpux: New. + * config/pa/x-hpux: Remove. + * config/pa/x-linux: Remove. + * config/pa/pa-host.c: Remove. + +2005-10-07 Jeff Law + + * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to + determine whether or not to try and thread outgoing edges. + +2005-10-07 David Edelsohn + + * config/rs6000/rs6000.md (eqsi_power): New. + (neg_eq0si): Add TARGET_POWER to final condition. + (neg_eqsi): Same. + +2005-10-06 Richard Henderson + + * config/rs6000/rs6000.c: Revert last change. + +2005-10-06 Richard Henderson + + * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New. + (TARGET_CANNOT_FORCE_CONST_MEM): Use it. + +2005-10-06 Andrew Pinski + + PR middle-end/22216 + PR middle-end/23651 + * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear + out return_label and naked_return_label. + +2005-10-06 Daniel Berlin + + * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last + change. + +2005-10-06 Richard Henderson + + PR tree-opt/22237 + * tree-inline.c (declare_return_variable): Handle modify_dest not + being a DECL. + +2005-10-06 Daniel Berlin + + Fix PR tree-optimization/22488 + * tree-ssa-structalias.c (check_for_overlaps): New function. + (create_variable_info_for): Use it. + +2005-10-06 Richard Henderson + + PR debug/24070 + * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file. + (dwarf2out_start_source_file): Print it. + +2005-10-06 Geoffrey Keating + + * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='. + +2005-10-06 Richard Henderson + + PR 23706 + * mode-switching.c (optimize_mode_switching): Clear transp bit + for block with incomming abnormal edges. + + * config/sh/sh.c (fpscr_values, emit_fpu_switch): New. + (fpscr_set_from_mem): Use them. + * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove. + (fpscr postinc splitters): Rewrite as peephole2+split. + +2005-10-06 David Edelsohn + + * config/rs6000/rs6000.md (eq): Add !TARGET_POWER. + (eq_compare): Same. + +2005-10-06 Richard Guenther + + PR tree-optimization/24238 + * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL. + +2005-10-06 Daniel Jacobowitz + + * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables + here. Use AC_PATH_PROG for environment variables instead of + test -x. + * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for + objdump also. + * configure: Regenerated. + +2005-10-06 Richard Earnshaw + + PR target/23783 + * arm.md (call): If the address isn't a SYMBOL_REF or a register, + then force it into a register. + (call_value): Likewise. + +2005-10-06 Richard Henderson + + PR 24049 + * passes.c (init_optimization_passes): Move pass_lower_vector_ssa + under pass_vectorize. Clear TODO_ggc_collect from the dce pass + under pass_vectorize. + +2005-10-05 Devang Patel + + PR Debug/23205 + * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after + handling constants. Check NAMESPACE_DECL context for constants. + +2005-10-05 Eric Christopher + + * doc/md.texi (Standard Names): Fix name of pushm1 pattern. + +2005-10-05 Richard Henderson + + PR 23714 + * tree-cfg.c (mark_array_ref_addressable_1): New. + (mark_array_ref_addressable): New. + * tree-flow.h (mark_array_ref_addressable): Declare. + * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it. + +2005-10-05 Andrew Pinski + + PR middle-end/20606 + PR middle-end/24069 + * reload.c (subst_reloads): When adding a REG_LABEL to a + jump instruction, also update JUMP_LABEL. + +2005-10-05 David Edelsohn + + * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New. + * bb-reorder.c (copy_bb_p): Use it. + * doc/invoke.texi (param table): Add max-grow-copy-bb-insn. + +2005-10-05 Richard Henderson + + PR target/23602 + * toplev.c (process_options): Warn about unsupported combinations + of unwind tables and omit-frame-pointer. + * config/i386/i386.c (override_options): Similarly. Enable + accumulate-outgoing-args if not explicitly disabled. + +2005-10-05 Steve Ellcey + + * vect.md (vec_initv2si): Fix typo of V2SF to V2SI. + Handle big endian vs. small endian. + (vec_initv2sf): Handle big endian vs. small endian. + (*vec_extractv2sf_1): Ditto. + +2005-10-05 Dale Johannesen + + * convert.c (convert_to_real): Don't convert + (float)floor(double d) to floorf((float)d). + +2005-10-05 Daniel Jacobowitz + + * config/arm/arm.md (insv): Use gen_int_mode in more places. + +2005-10-05 Andrew MacLeod + + PR tree-optimization/18587 + * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete. + (build_defs, build_uses, build_v_may_defs, build_v_must_defs, + build_vuses): Change to VEC type. + (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free, + opbuild_num_elems, opbuild_append_real, opbuild_append_virtual, + opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual, + opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete. + (get_name_decl): New. Return DECL_UID of base variable. + (operand_build_cmp): New. qsort comparison routine. + (operand_build_sort_virtual): New. Sort virtual build vector. + (init_ssa_operands, fini_ssa_operands): Use VEC routines. + (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index. + (FINALIZE_BASE): Use get_name_decl. + (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs, + finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs, + (start_ssa_stmt_operands, append_def, append_use, append_vuse, + append_v_may_def, append_v_must_def): Replace opbuild_* routines with + direct VEC_* manipulations. + (build_ssa_operands): Call operand_build_sort_virtual. + (copy_virtual_operand, create_ssa_artficial_load_stmt, + add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines + with direct VEC_* manipulations. + * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines + with direct VEC manipulations. + +2005-10-05 Paolo Bonzini + + PR tree-optimization/21419 + PR tree-optimization/24146 + PR tree-optimization/24151 + + * c-typeck.c (readonly_error): Handle USE being lv_asm. + (build_asm_expr): Call it if outputs are read-only. + * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419. + +2005-10-05 Billy Biggs + Paolo Bonzini + + PR target/23809 + + * doc/extend.texi (x86 Built-ins): Document that -msse and friends + enable the instructions and not just the built-ins. + * doc/invoke.texi (x86 Options): Likewise. + +2005-10-04 Geoffrey Keating + + * config/i386/t-darwin (SHLIB_VERPFX): Fix typo. + + * doc/invoke.texi (Option Summary): Correct spelling + of -mmacosx-version-min. + +2005-10-04 Devang Patel + + * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for + real types. + +2005-10-04 Steve Ellcey + + * tree-vect-transform.c (vect_create_epilog_for_reduction): + Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN. + +2005-10-04 Adrian Straetling + + * config/s390/s390.md ("TDSI","DP"): New mode macros. + ("TE","tg"): New mode attributes. + ("sync_compare_and_swap"): Replace with a define_expand. + ("sync_compare_and_swap_cc"): Replace GPR with TDSI. + ("*sync_compare_and_swap_cc"): Replace with one pattern for + dword_mode and one for GPRmode. + +2005-10-04 Ian Lance Taylor + + PR preprocessor/13726 + * c-ppoutput.c (cb_include): Add comments parameter, and print out + any comments passed in. + +2005-10-04 Andrew Pinski + + * tree.c (annotate_with_file_line): Fix typo. + +2005-10-04 Ulrich Weigand + + PR ada/19382 + * builtins.c (fold_builtin_memcmp): When constructing the pointer + type used to access data in the inlined length == 1 case, use + build_pointer_type_for_mode with CAN_ALIAS_ALL set to true. + (fold_builtin_strcmp, fold_builtin_strncmp): Likewise. + +2005-10-04 Uros Bizjak + + * config/i386/i386.h (TARGET_FISTTP): Enable also for + TARGET_SSE3 and only for TARGET_80387. + * config/i386/i386.md (fix_trunc_fisttp_i387_1, + (fix_trunc_i387_fisttp, fix_trunc_i387_fisttp_with_temp): + Do not depend on TARGET_80387. + +2005-10-04 Andrew Pinski + + * tree.c (last_annotated_node): Change type to location_t*. + (annotate_with_file_line): Reflect the change of + last_annotated_node type. + +2005-10-04 Richard Guenther + + PR c/23576 + * c-decl.c (grokdeclarator): Don't write to fields + of error_mark_node. + +2005-10-04 Andrew Pinski + + PR middle-end/23125 + * c-decl.c (finish_decl): Use set_user_assembler_name even for + register variables. + * varasm.c (make_decl_rtl): If a register variable does not + have a set user assmbler name, error out. + Decode the asmspec is now name+1 bypassing '*'. + +2005-10-04 Steven Bosscher + + PR tree-optimization/23049 + * tree-ssa-dom.c (thread_across_edge): Make sure that the condition + of a COND_EXPR is folded before calling fold on the whole rhs of a + conditional assignment. + * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to + document that a COND_EXPR may appear there. + +2005-10-03 Diego Novillo + + PR 23445 + * tree-vrp.c (extract_range_from_assert): If the new numeric + range created out of the assertion contradicts the existing + numeric range of the ASSERT_EXPR variable, make the new range + varying. + +2005-10-03 Kaz Kojima + + * config/sh/sh.c (sh_register_move_cost): Add case for moving + from T_REGS to FP register class. + +2005-10-03 Richard Henderson + + PR 24135 + * tree-nested.c (convert_nl_goto_reference): Lookup a translation + before creating a new one. + +2005-10-03 David Edelsohn + + * config/rs6000/t-aix43 (LDFLAGS): New. + * config/rs6000/t-aix52 (LDFLAGS): New. + +2005-10-03 Ian Lance Taylor + + * gimplify.c (find_single_pointer_decl_1): New static function. + (find_single_pointer_decl): New static function. + (internal_get_tmp_var): For a formal variable, set restrict base + information if appropriate. + * alias.c (find_base_decl): If a VAR_DECL has a restrict base, + return it. + * tree.h (DECL_BASED_ON_RESTRICT_P): Define. + (DECL_GET_RESTRICT_BASE): Define. + (SET_DECL_RESTRICT_BASE): Define. + (decl_restrict_base_lookup): Declare. + (decl_restrict_base_insert): Declare. + (struct tree_decl_with_vis): Add based_on_restrict_p field. + * tree.c (restrict_base_for_decl): New static variable. + (init_ttree): Initialize restrict_base_for_decl. + (copy_node_stat): Copy restrict base information. + (decl_restrict_base_lookup): New function. + (decl_restrict_base_insert): New function. + (print_restrict_base_statistics): New static function. + (dump_tree_statistics): Call print_restrict_base_statistics. + +2005-10-02 Diego Novillo + + PR 24142 + * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in + case of anti-ranges. + +2005-10-02 Andrew Pinski + + PR c/18851 + * c-typeck.c (tagged_tu_seen): Rename to ... + (tagged_tu_seen_cache): this and add val field. + (comptypes): Move functional to comptypes_internal + and free tagged_tu_seen. + (comptypes_internal): New function and call comptypes_internal + instead of comptypes. Speed up by sibcalling + tagged_types_tu_compatible_p. + (alloc_tagged_tu_seen): New function + (free_all_tagged_tu_seen_up_to): New function. + (tagged_types_tu_compatible_p): Return the val of the seen two + types. + Add that the two types are the same to tagged_tu_seen_base + if they are and call comptypes_internal instead of comptypes. + : Speed up common type where the fields are + in the same order. + (function_types_compatible_p): Call comptypes_internal instead of + comptypes. + (type_lists_compatible_p): Likewise. + (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/. + +2005-10-02 Matthias Klose + + * doc/invoke.texi: Fix typo and speling error. + +2005-10-01 Richard Henderson + + * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too. + +2005-10-01 Mark Mitchell + + * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define + using --start-group and --end-group. + +2005-10-01 Diego Novillo + + * tree-vrp.c (value_inside_range, range_includes_zero_p): Add + FIXME note regarding quirky semantics. + +2005-10-01 Diego Novillo + + PR 24141 + * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a + non-null range as a last resort. + +2005-10-01 James A. Morrison + Diego Novillo + + PR 23604 + * tree-vrp.c (extract_range_from_assert): For != + assertions, only build an anti-range if LIMIT is a + single-valued range. + +2005-09-30 Richard Earnshaw + + * arm.md (movqi): On thumb when optimizing, handle loading from + memory by describing this as taking a subreg of a zero-extended load + into an SImode register. + (movhi): Likewise. + +2005-09-30 Daniel Jacobowitz + + * reload1.c (merge_assigned_reloads): Do not change any + RELOAD_FOR_OUTPUT_ADDRESS reloads. + +2005-09-30 Geoffrey Keating + + * Makefile.in (LIPO_FOR_TARGET): Define. + (STRIP_FOR_TARGET): Define. + + * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks + before creating new ones. Do symlinks before creating the actual + targets. + + * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib + to work out which multilibs are actually being built. + +2005-09-30 Kazu Hirata + + * tree-vect-transform.c, config/ms1/ms1.md, + config/s390/s390.c, config/v850/v850.md: Fix comment typos. + Follow spelling conventions. + * doc/invoke.texi, doc/md.texi: Fix typos. + +2005-09-30 Andrew Macleod + + PR tree-optimization/21430 + * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual + use operands, and set stmt pointer if need be. + (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine. + tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if + present. + +2005-09-29 Richard Kenner + + PR middle-end/24053 + * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype. + +2005-09-29 Mark Mitchell + + * optabs.c (expand_binop): Initialize first_pass_p. + +2005-09-29 Jakub Jelinek + + PR middle-end/24109 + * c-decl.c (c_write_global_declarations_1): If any + wrapup_global_declaration_2 call returned true, restart the loop. + +2005-09-29 Daniel Berlin + + Fix PR tree-optimization/24117 + * tree-ssa-structalias.c (find_func_aliases): Strip nops + before considering whether to use anyoffset. + +2005-09-29 Paolo Bonzini + + Revert this patch: + + 2005-09-15 Paolo Bonzini + + * optabs.c (expand_binop): Use swap_commutative_operands_with_target + to order operands. + (swap_commutative_operands_with_target): New. + +2005-09-29 Paolo Bonzini + + PR c/21419 + * gimplify.c (gimplify_asm_expr): Raise an error if an output is + read-only. + +2005-09-29 Steven Bosscher + + PR tree-optimization/23911 + * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR + and IMAGPART_EXPR too. + +2005-09-28 Mark Mitchell + + PR 17886 + * expmed.c (expand_shift): Move logic to reverse rotation + direction when rotating by constants ... + * optabs.c (expand_binop): ... here. + * config/i386/i386.md (rotrdi3): Handle 32-bit mode. + (ix86_rotrdi3): New pattern. + (rotldi3): Handle 32-bit mode. + (ix86_rotldi3): New pattern. + +2005-09-29 Alan Modra + + PR target/24102 + * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range + check for numbers that need no bit twiddle. + +2005-09-28 Geoffrey Keating + + * config/rs6000/t-darwin8: Uncomment contents, allow -m64 + multilib to be built. + + * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET. + (stage1-start): Delete old libgcc and libunwind before moving + anything into the stage directory. + (stage2-start): Likewise. + (stage3-start): Likewise. + (stage4-start): Likewise. + (stageprofile-start): Likewise. + (stagefeedback-start): Likewise. + * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h + header in tm_file and CPU-specific t-darwin in tmake_file. + (i[34567]86-*-darwin*): Don't change tm_file. + (powerpc-*-darwin*): Don't change tm_file or tmake_file. + * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc + shared library stub for target OS version. + * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete. + (SHLIB_LINK): Don't make SHLIB_SOLINK. + (SHLIB_INSTALL): Don't install SHLIB_SOLINK. + (libgcc_s.%.dylib): New. + (LIBGCC): Define. + (install-darwin-libgcc-stubs): New. + (INSTALL_LIBGCC): New append. + * config/i386/darwin-libgcc.10.4.ver: New. + * config/i386/darwin-libgcc.10.5.ver: New. + * config/i386/t-darwin: New. + * config/rs6000/darwin-libgcc.10.4.ver: New. + * config/rs6000/darwin-libgcc.10.5.ver: New. + * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete. + * config/rs6000/t-darwin (SHLIB_VERPFX): Define. + +2005-09-28 Paul Brook + + * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle + denormals. + +2005-09-28 Richard Guenther + + PR tree-optimization/23853 + * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use + host_integerp to verify misalignment value. + +2005-09-28 Richard Henderson + + * builtins.c (get_builtin_sync_mode): New. + (expand_builtin_sync_operation): Pass in mode argument. + (expand_builtin_compare_and_swap): Likewise. + (expand_builtin_lock_test_and_set): Likewise. + (expand_builtin_lock_release): Likewise. + (expand_builtin): Update to match. + +2005-09-28 Nick Clifton + + * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up + formatting. Add check to PLUS case to ensure that the offset is + within an acceptable range. + + * config/v850/v850.md (casesi): Disable the generation of the + switch pattern as it is not being handled properly at the moment. + + * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction + for when the high words are identical. + +2005-09-27 Richard Henderson + + * pretty-print.c (pp_base_format): Fix typo for %>. + +2005-09-27 Daniel Berlin + Devang Patel + + PR tree-optimization/23625 + * tree-flow-inline.h (bsi_after_labels): Remove, first statement is + LABEL_EXPR, assertion check. + +2005-09-27 J"orn Rennecke + + * optabs.c (no_conflict_move_test): Check if a result of a + to-be-moved insn would be clobbered by an originally + preceding insn. + +2005-09-27 Jeff Law + + * passes.c (init_optimization_passes): Replace copy propagation + passes immediately after DOM with phi-only copy propagation + pases. Add phi-only copy propagation pass after first DOM pass. + * tree-pass.h (pass_phi_only_copy_prop): Declare. + * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument. + If true, then mark all non-control statements with DONT_SIMULATE_AGAIN. + (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along + to init_copy_prop. Callers updated. + (do_phi_only_copy_prop): New function. + (pass_phi_only_copy_prop): New pass descriptor. + +2005-09-27 Nick Clifton + + * libgcc2.c (__popcount_tab): Remove redundant prototype. + +2005-09-26 Jason Merrill + + PR c++/13764 + * c-common.c (finish_fname_decls): Use append_to_statement_list_force. + + * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs. + +2005-09-26 James E Wilson + + * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc + copyright. Add gcc copyright plus libgcc exception. + * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc + copyright. + * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception. + +2005-09-26 Jeff Law + + * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective + about when to iterate. + +2005-09-23 Fariborz Jahanian + + PR target/23847 + * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern + for __complex__ double in -mcpu=G5 mode. + +2005-09-26 Sebastian Pop + + PR tree-optimization/23942 + * Makefile.in (SCEV_H): Depends on PARAMS_H. + * tree-scalar-evolution.c: Include params.h. + (t_bool): New enum. + (follow_ssa_edge, follow_ssa_edge_in_rhs, + follow_ssa_edge_in_condition_phi_branch, + follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi): + Change return type to t_bool. Use a parameter to limit the size of + trees that are walked before stopping + (analyze_evolution_in_loop): Initialize the limit to 0. + (follow_ssa_edge): Give up by returning t_dont_know if the limit + exceeds PARAM_SCEV_MAX_EXPR_SIZE. + +2005-09-26 Uros Bizjak + + PR middle-end/23831 + * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip + simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT. + +2005-09-26 Fariborz Jahanian + + * combine.c (make_extraction): Check for valid use of subreg. + +2005-09-26 Uros Bizjak + + PR target/24055 + * config/i386/i386.md ("*fistdi2_1"): New pattern. + ("*fist2_1"): Use only HImode and SImode register operands. + ("fist2_with_temp"): Use only register operands. + +2005-09-26 J"orn Rennecke + + * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in + CALL_INSN_FUNCTION_USAGE. + +2005-09-26 Richard Guenther + + PR middle-end/15855 + * gcse.c: Include hashtab.h, define ldst entry hashtable. + (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions. + (ldst_entry): Use the hashtable instead of list-walking. + (find_rtx_in_ldst): Likewise. + (free_ldst_entry): Free the hashtable. + (compute_ld_motion_mems): Create the hashtable. + (trim_ld_motion_mems): Remove entry from hashtable if + removing it from list. + (compute_store_table): Likewise^2. + (store_motion): Free hashtable in case we did not see + any stores. + +2005-09-25 Kazu Hirata + + * fold-const.c (fold_binary): Use op0 and op1 instead of arg0 + and arg1 if we are passing them to fold_build2. + +2005-09-25 Dan Nicolaescu + + PR 23828 + * config/i386/i386.c (ix86_function_regparm): Fix the test for + a nested function. + +2005-09-25 Richard Henderson + + * config/alpha/alpha.c (tls_symbolic_operand_1): Trust + SYMBOL_REF_TLS_MODEL to be correct. + +2005-09-24 Richard Henderson + + * ipa-type-escape.c (discover_unique_type): Remove dead code at + end of function. Reindent. + +2005-09-24 Ian Lance Taylor + + * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in + NEGATE_EXPR/BIT_NOT_EXPR case. + +2005-09-24 Richard Henderson + + * c-common.c (handle_mode_attribute): When not modifying in place, + create subtypes for enumerations. + (sync_resolve_return): Use TYPE_MAIN_VARIANT. + * gimplify.c (create_tmp_from_val): Likewise. + +2005-09-24 Alexandre Oliva + + * config/i386/i386.md (*tls_global_dynamic_64, + *tls_local_dynamic_base_64): Add missing mode to call. + (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise. + +2005-09-24 Jan Hubicka + + * cgraph.c (cgraph_clone_edge): Make the scale gcov_type. + (cgraph_clone_node): Likewise. + * cgraph.h (cgraph_clone_edge): Update prototype. + (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove + duplicated prototypes; add updating argument. + * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative. + * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without + updating profile. + (cgraph_mark_inline_edge): Likewise. + (cgraph_mark_inline): Update use of cgraph_mark_inline_edge. + (cgraph_flatten_node): Likewise. + (cgraph_decide_recursive_inlining): Likewise. + (cgraph_decide_inlining_of_small_function): Likewise. + * tree-optimize.c (tree_rest_of_compilation): Likewise. + +2005-09-23 David Edelsohn + Pete Steinmetz + + * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul. + (rldic.): Set type to "compare". + (rldicr.): Same. + (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to + mfjmpr for MFCTR/MFLR. + (movdf_hardfloat64): Same. + (movdf_softfloat64): Same. Correct order of store and move types. + (movti_string): Set type to store_ux/load_ux. + (load_multiple): Set type to load_ux. + (store_multiple): Set type to store_ux. + (movmemsi): Set type to store_ux. + (output_cbranch direct_return): Set type to jmpreg. + (stmw): Set type to store_ux. + (lmw): Set type to load_ux. + * config/rs6000/40x.md (ppc403-store): Increase latency to 2. + * config/rs6000/440.md (ppc440-store): Increase latency to 6. + * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles. + * config/rs6000/6xx.md (ppc604-store): Increase latency to 3. + * config/rs6000/mpc.md (mpccore-store): Increase latency to 2. + * config/rs6000/rios1.md (rios1-store): Increase latency to 2. + (rios1-fpstore): Increase latency to 3. + * config/rs6000/rios2.md (rios2-store): Increase latency to 2. + * config/rs6000/rs64.md (rs64a-store): Increase latency to 2. + +2005-09-23 David Edelsohn + Andrew Pinski + + * config/rs6000/sync.md (sync_si_internal): Change + operand2 constraint to "b". + (sync_di_internal): Same. + (sync_old_si_internal): Change operand3 constraint + to "b". + (sync_old_di_internal): Same. + (sync_new_si_internal): Same. + (sync_new_di_internal): Same. + +2005-09-23 J"orn Rennecke + + PR middle-end/23991 + * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length + case, define as macros. + + PR rtl-optimization/23837 + * optabs.c (no_conflict_move_test): Don't set must_stay for a + clobber / clobber match between dest and p->first. + + * optabs.c (emit_libcall_block): Use no_conflict_move_test. + (no_conflict_move_test): Update comments. + +2005-09-22 Ranjit Mathew + + * doc/install.texi: Update URL for Jacks. + * doc/sourcebuild.texi: Likewise. + +2005-09-22 David Edelsohn + + PR target/24007 + * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special + registers when choosing register preferences. + (movdf_hardfloat64): Same. + +2005-09-22 Andreas Krebbel + + * expmed.c (expand_shift): Don't use the target of the rotate as + target for the first expanded shift insn. + +2005-09-21 Zdenek Dvorak + + PR tree-optimization/22438 + * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all + preserved iv rhs rewriting specially. + +2005-09-21 Daniel Berlin + + * tree-data-ref.c (analyze_array_indexes): Only estimate when + estimate_only is true. + * tree-flow.h (ref_contains_indirect_ref): New prototype. + * tree-flow-inline.h (ref_contains_indirect_ref): Moved from + tree-ssa-structalias.c + * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use + ref_contains_indirect_ref. + * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved. + +2005-09-21 DJ Delorie + + * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add + MASK_PTR_A0D0. + (mn10300_return_in_memory): Support variable size types also. + (mn10300_pass_by_reference): Likewise. + (mn10300_function_value): New. + * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above. + (FUNCTION_OUTGOING_VALUE): Likewise. + * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0. + * doc/invoke.texi: Document it. + +2005-09-21 Uros Bizjak + + PR target/22585 + * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not + force integer op1 into register for XFmode compares. + +2005-09-21 Kazu Hirata + + PR middle-end/23971 + * expmed.c (alg_code): Add alg_impossible. + (alg_hash_entry): Add cost. + (synth_mult): Record alg_impossible in the hash table if + multiplication by a given integer is impossble within the + limit. Speed up using alg_impossible. + +2005-09-20 Daniel Berlin + + * tree-ssa-structalias.c (get_constraint_for_component_ref): Add + argument. Allow and set any offset if needs_anyoffset is passed + in. + (get_constraint_for): Add argument here too. + Pass it down. + (do_structure_copy): Pass NULL to get_constraint_for. + (handle_ptr_arith): Ditto. + (find_func_aliases): Ditto. + +2005-09-20 J"orn Rennecke + + PR rtl-optimization/23898 + * output.h (get_attr_min_length): Declare. + * final.c (get_attr_length_1): New function, broken out of: + (get_attr_length). + (get_attr_min_length): New function. + * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it. + (duplicate_computed_gotos): Likewise. + * genattr.c (insn_min_length): Generate declaration. + * genattrtab.c (min_fn, min_attr_value): New functions. + (make_length_attrs): Generate insn_min_length. + +2005-09-20 Steve Ellcey + + * config/pa/pa.c (output_cbranch): Check for zero in operands[2]. + +2005-09-20 Richard Henderson + + PR tree-optimization/24059 + * expr.c (expand_expr_real_1) : Allow modifier + EXPAND_STACK_PARM. + +2005-09-20 Joseph S. Myers + + * c.opt (fextended-identifiers): New. + * c-opts.c (c_common_handle_option): Handle + -fextended-identifiers. + * doc/cpp.texi: Update documentation of extended identifiers. + * doc/cppopts.texi (-fextended-identifiers): Document. + +2005-09-20 Jakub Jelinek + + PR tree-optimization/23929 + * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately + if expr is NULL. + + PR tree-optimization/23818 + * tree-stdarg.c (execute_optimize_stdarg): Call + calculate_dominance_info. + +2005-09-20 Daniel Berlin + + * tree-data-ref.c (get_number_of_iters_for_loop): New function. + (analyze_siv_subscript_cst_affine): Add weak SIV test. + (compute_overlap_steps_for_affine_1_2): Use + get_number_of_iters_for_loop. + (analyze_subscript_affine_affine): Check whether difference is + zero first. + Use get_number_of_iters_for_loop. + Check whether overlap occurs outside of bounds. + (analyze_miv_subscript): Use get_number_of_iters_for_loop. + +2005-09-20 Andreas Krebbel + + * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the + base register if possible. + +2005-09-20 Zdenek Dvorak + + PR tree-optimization/18463 + * tree-chrec.c (chrec_convert): Return fold_converted chrec if + converting it directly is not possible. + (chrec_convert_aggressive): New function. + * tree-chrec.h (chrec_convert_aggressive): Declare. + * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers): + Fold chrec conversions aggressively if asked to. + (instantiate_parameters): Modified because of changes in + instantiate_parameters_1. + +2005-09-19 Richard Henderson + + * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf. + (reduc_splus_v2df): New. + +2005-09-19 Richard Sandiford + + * config/arm/aof.h (REGISTER_NAMES): Add missing backslash. + (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma. + +2005-09-19 Richard Henderson + + * config/i386/sse.md (vcondu): Rename from + vcondu. + +2005-09-19 Richard Henderson + + * config/ia64/ia64.c (ia64_expand_widen_sum): New. + (ia64_expand_dot_prod_v8qi): New. + * config/ia64/ia64-protos.h: Update. + * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3, + widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi, + sdot_prodv8qi, sdot_prodv4hi): New. + (reduc_splus_v2sf): Rename from reduc_plus_v2sf. + +2005-09-19 Richard Henderson + + PR 23941 + * real.c (exact_real_truncate): Return false if the format cannot + represent the number as a normal. + + * config/alpha/alpha.c (alpha_rtx_costs) : Cost 0 + for a memory source. + +2005-09-19 Dorit Nuzman + + * tree-ssa-operands.c (swap_tree_operands): Export. + * tree.h (swap_tree_operands): Declare. + * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED. + Call swap_tree_operands. + +2005-09-19 Richard Henderson + + * tree-flow.h (merge_alias_info): Declare. + * tree-ssa-copy.c (merge_alias_info): Export. + * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove. + (vect_create_data_ref_ptr): Use create_iv directly. + (vectorizable_load): Use correct types for integer constants. + (vect_generate_tmps_on_preheader): Likewise. + (vect_gen_niters_for_prolog_loop): Likewise. + +2005-09-19 Steven Bosscher + + PR rtl-optimization/23943 + * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx. + +2005-09-18 Jan Hubicka + + * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK. + +2005-09-18 Eric Botcazou + + * varasm.c (output_constant): Do not abort on conversions to union + types between different sizes. + +2005-09-18 Richard Guenther + + PR middle-end/23944 + * gimplify.c (fold_indirect_ref_rhs): Fix thinko in + fallback. + +2005-09-18 Paul Brook + + * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow. + +2005-09-17 Richard Henderson + + * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change. + * tree-ssa-loop.c (pass_vect_dce): Remove. + * passes.c (init_optimization_passes): Add pass_dce as a sub-pass + of pass_vectorize. + +2005-09-17 Richard Henderson + + * tree-pass.h (pass_vect_dce): Declare. + * passes.c (init_optimization_passes): Add it. + * tree-flow.h (tree_ssa_dce): Declare. + * tree-ssa-dce.c (tree_ssa_dce): Export. + * tree-ssa-loop.c (tree_vectorize): Move current_loops check ... + (gate_tree_vectorize): ... here. + (pass_vect_dce): New. + +2005-09-17 Jan Hubicka + + * except.c (struct eh_status): Turn region_array into vec. + (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions, + convert_from_eh_region_ranges, find_exception_handler_labels, + current_function_has_exception_handlers, assign_filter_values, + build_post_landing_pads, dw2_build_landing_pads, + sjlj_find_directly_reachable_regions, sjlj_mark_call_sites, + sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region, + foreach_reachable_handler, can_throw_internal_1, + convert_to_eh_region_ranges, verify_eh_tree): Update uses of + region_array. + (duplicate_eh_region_1): Update region_array. + (duplicate_eh_regions): Resize region_array and avoid recomputing. + +2005-09-17 David Edelsohn + + PR middle-end/22067 + * expmed.c (expand_mult): Substitute simple register for op0 when + computing max_cost. + +2005-09-17 Richard Henderson + + * expr.c (emit_move_via_integer): Add force argument, pass it on + to emit_move_change_mode. Update callers. + (emit_move_complex): Pass true to new force argument. + * function.c (expand_function_end): Move expand_eh_return call + earlier. Merge sub-word complex values into a pseudo before + copying to the return hard register. + +2005-09-17 Eric Botcazou + + * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs + between different sizes. + +2005-09-16 Paolo Bonzini + + PR 23903 + + * passes.c (init_optimization_passes): Register dump files for + IPA passes first. + +2005-09-16 Andreas Krebbel + + * config/s390/s390-protos.h (s390_overlap_p): Prototype added. + * config/s390/s390.c (s390_overlap_p): New function. + * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc" + peephole2, "*xc" peephole2): Added overlap check to the peephole2 + condition. + +2005-09-16 Richard Guenther + + * ipa-pure-const.c (static_execute): Free auxiliar information. + * ipa-type-escape.c (discover_unique_type): Free temporary key. + * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap. + +2005-09-15 DJ Delorie + + * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo. + +2005-09-15 Paolo Bonzini + + * optabs.c (expand_binop): Use swap_commutative_operands_with_target + to order operands. + (swap_commutative_operands_with_target): New. + +2005-09-15 Daniel Berlin + + * tree-data-ref.c (analyze_array_indexes): Add estimate_only + parameter. + Update callers. + (estimate_iters_using_array): New function. + * tree-data-ref.h (estimate_iters_using_array): Prototype + * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): + Use estimate_iters_using_array instead of analyze_array. + +2005-09-15 Eric Botcazou + + * tree-nested.c (get_frame_type): Mark the "non-local frame structure" + as addressable. + +2005-09-15 Michael Matz + + * tree-vrp.c (vrp_int_const_binop ): Handle 0 - -INF. + +2005-09-14 Daniel Berlin + + PR tree-optimization/23835 + * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function. + (create_name_tags): Rewrite to be not O(num_ssa_names^2). + +2005-09-14 Richard Henderson + + * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand. + (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New. + +2005-09-14 Andrew Pinski + + * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break + in the ARRAY_TYPE case. + +2005-09-14 Eric Botcazou + + * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF. + +2005-09-14 Uros Bizjak + + PR middle-end/22480 + * tree-vect-transform.c (vectorizable_operation): Return false for + scalar shift operations and for vector shift operations with + non-invariant shift arguments. Use scalar tree operand op1 as + a shift operand when vector shift insn pattern uses scalar shift + operand. + * Makefile.in (tree-vect-transform.o): Depend on recog.h. + +2005-09-14 Olivier Hainque + + * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized + value if it has side-effects. + +2005-09-14 David Edelsohn + + PR target/22068 + * config/rs6000/rs6000.md (muldi3): Add mulli alternative. + +2005-09-14 Alan Modra + + * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name + passed as NAME as if it were label at start of function code. + +2005-09-13 Kaz Kojima + + * config/sh/sh.md (*movv4sf_i): Add general register cases to + the constraints. + +2005-09-13 Andrew Pinski + + * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint + as early clobber. Rewrite so the PIC register is not implicitly used. + +2005-09-13 Volker Reichelt + + * tree.c (annotate_with_file_line): Compare line numbers before + file names. + +2005-09-13 Uros Bizjak + + PR target/23816 + * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3) + (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns. + +2005-09-13 Ian Lance Taylor + + * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather + than a HOST_WIDEST_INT to gen_doloop_begin. + +2005-09-13 Diego Novillo + + * tree-dfa.c (dump_variable): Guard against NULL annotations. + +2005-09-13 Zdenek Dvorak + + PR tree-optimize/23817 + * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa. + +2005-09-13 Alan Modra + + PR target/23774 + * config/rs6000/rs6000.md (restore_stack_block): Write the backchain + word before changing the stack pointer. Use gen_frame_mem for MEMs. + Use UNSPEC_TIE to prevent insn scheduling reordering the insns. + (restore_stack_nonlocal): Likewise. + (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem. + +2005-09-12 Ian Lance Taylor + + PR g++/7874 + * c.opt (ffriend-injection): New C++ option. + * doc/invoke.texi (Option Summary): Mention -ffriend-injection. + (C++ Dialect Options): Document -ffriend-injection. + +2005-09-12 Josh Conner + + PR middle-end/23237 + * ipa-reference.c (static_execute): Don't mark variables in + named sections TREE_READONLY. + +2005-09-12 Alan Modra + + * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for + stack_tie. + +2005-09-12 Andrew Pinski + + * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and + V_MUST_DEF instead of just the first_use_p. + Don't mark the virtual variables for renaming on the statement which + is being removed. + (pass_dse): Remove TODO_update_ssa. + +2005-09-12 J"orn Rennecke + + PR middle-end/23290 + * stor-layout.c (compute_record_mode): For records with a single + field, actually check the field's mode size against the type size. + + * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose + registers for TARGET_SHMEDIA. + (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename + GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union + of GENERAL_REGS and FP_REGS. + +2005-09-12 Bernd Schmidt + + * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem. + +2005-09-12 Alan Modra + + * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using + CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels + are omitted. Exclude stack_tie insn too. + +2005-09-11 David Edelsohn + + PR rtl-optimization/23098 + * config/rs6000/predicates.md (easy_fp_constant): SFmode constant + 0.0f is easy. + * config/rs6000/rs6000.md (movdf splitter): Use + const_double_operand predicate for TARGET_POWERPC64. + * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand + SYMBOL_REF method to ABI_V4. + + * config/rs6000/altivec.md (build_vector_mask_for_load): Use + replace_equiv_address. + * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as + rs6000_sr_alias_set and MEM_NOTRAP. + (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem(). + +2005-09-11 Eric Botcazou + + * tree.c (contains_placeholder_p) : Properly + handle CALL_EXPR again. + +2005-09-11 Richard Earnshaw + + * arm/predicates.md (alignable_memory_operand): Delete. + +2005-09-10 Richard Henderson + + PR debug/23806 + * dbxout.c (dbxout_expand_expr): New. + (dbxout_symbol): Use it. + +2005-09-10 Richard Earnshaw + + * arm.c (arm_gen_rotated_half_load): Delete. + (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem. + (emit_multi_reg_push, emit_sfm, arm_expand_prologue) + (thumb_set_return_address): Likewise. + (thumb_load_double_from_address): Use adjust_address. + * arm.md (splits calling arm_gen_rotated_half_load): Delete. + (extendhsisi2_mem, movhi_bytes): Use change_address. + (movhi): Use widen_memory_access. + (reload_out_df): Use replace_equiv_address. + * arm-protos.h (arm_gen_rotated_half_load): Delete prototype. + +2005-09-09 Richard Henderson + + PR debug/20998 + * dbxout.c: Include expr.h. + (dbxout_global_decl): Don't suppress for DECL_RTL unset. + (dbxout_symbol): Handle DECL_VALUE_EXPR. + * Makefile.in (dbxout.o): Add EXPR_H. + +2005-09-09 Zdenek Dvorak + + PR tree-optimization/23509 + * tree-cfg.c (replace_uses_by): Use replace_exp. + * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced + pointers have name_mem_tag or type_mem_tag set. + +2005-09-09 Sebastian Pop + + * tree-chrec.c (evolution_function_is_invariant_rec_p): Use + CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead + of wrongly accessing operands. + +2005-09-09 Sebastian Pop + + * Makefile.in (tree-chrec.o): Depends on SCEV_H. + * tree-chrec.c: Include tree-scalar-evolution.h. + (chrec_convert): Instantiate the base and step before calling + scev_probably_wraps_p that would fail on parametric evolutions. + Collect all the fails into a single section failed_to_convert, + print a diagnostic, and return chrec_dont_know instead of calling + fold_convert. + * tree-scalar-evolution.c (loop_closed_phi_def): New. + (instantiate_parameters_1): Avoid instantiation of loop closed ssa + phi nodes. + (scev_const_prop): Don't replace the definition of a loop closed ssa + phi node by itself, or by another loop closed ssa phi node. + * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check + that base and step are defined. + +2005-09-09 Richard Guenther + + PR c++/23624 + * fold-const.c (fold_ternary): Check truth_value_p before + calling invert_truthvalue. + +2005-09-09 Nick Clifton + + * Makefile.in (LIBGCC_DEPS): Add libgcc2.h. + * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed + dimension of these arrays. + * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of + these arrays. + * longlong.h: Only provide a prototype for the __clz_tab[] array + if this header has not been included from libgcc2.h. + * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than + defining own types. + Provide prototypes for exported functions. + Use the __clz_tab[] and __popcount_tab[] arrays provided by + libgcc2.c. + +2005-09-08 Josh Conner + + PR c++/21135 + PR c++/23180 + * expr.c (expand_expr_addr_expr_1): Don't invoke + expand_simple_binop for EXPAND_INITIALIZER. + +2005-09-08 Richard Henderson + + PR debug/23190 + * toplev.c (wrapup_global_declaration_1): Split out ... + (wrapup_global_declaration_2): ... from ... + (wrapup_global_declarations): ... here. Return bool. + (check_global_declaration_1): Split out ... + (check_global_declarations): from here. + (emit_debug_global_declarations): New. + * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2, + check_global_declaration_1, emit_debug_global_declarations): Declare. + * c-decl.c (c_write_global_declarations_1): Don't create a vector + of decls. Call wrapup_global_declaration_1, + wrapup_global_declaration_2, check_global_declaration_1 directly. + (c_write_global_declarations_2): New. + (ext_block): New. + (c_write_global_declarations): Call c_write_global_declarations_2. + * langhooks.c (write_global_declarations): Call + emit_debug_global_declarations. + + * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't + remove decls that have DECL_RTL_SET_P. + * passes.c (rest_of_decl_compilation): Invoke + cgraph_varpool_finalize_decl for all but functions. + +2005-09-08 Eric Botcazou + + * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for + the result of a conversion if the new min and max cannot be compared. + +2005-09-08 Andreas Krebbel + + * config/s390/s390.c (s390_sr_alias_set): Variable removed. + (override_options): Setting s390_sr_alias_set removed. + (save_fpr, save_gprs): Set alias set to vararg or frame. + (restore_fpr, restore_gprs, s390_emit_prologue): Replace + s390_sr_alias_set with get_frame_alias_set (). + (s390_gimplify_va_arg): Replace s390_sr_alias_set with + get_varargs_alias_set (). + +2005-09-08 Andrew Pinski + + PR objc/20574 + PR objc/19324 + * c-parser.c (c_parser_objc_method_definition): If the next + token is not "{", error out and don't start the function. + +2005-09-08 Andrew Pinski + + * tree-vrp.c (extract_range_from_expr): Move the check for non + nullness after the check for gimple invariant. + +2005-09-08 Richard Kenner + + * tree.c (host_integerp, tree_low_cst): Correct function comment. + +2005-09-08 Kazuhiro Inaoka + + PR target/23747 + * config/m32r.md (movmemsi_internal): Canonicalize order of + operands in PLUS component of template. + +2005-09-07 Andreas Krebbel + + * reload1.c (fixup_eh_region_note): Remove assertion. + (fixup_abnormal_edges): Reverted removal of call to + find_many_sub_basic_blocks made on 2005-08-31. + +2005-09-07 Richard Henderson + + * function.c (ARG_POINTER_CFA_OFFSET): Move ... + * defaults.h (ARG_POINTER_CFA_OFFSET): ... here. + (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c. + * dwarf2out.c (struct cfa_loc): Change reg to unsigned int, + rearrange for better packing. + (INCOMING_FRAME_SP_OFFSET): Move to defaults.h. + (lookup_cfa_1): Remove inline marker. + (cfa_equal_p): Split out of ... + (def_cfa_1): ... here. Use INVALID_REGNUM. + (build_cfa_loc): Handle !cfa->indirect. + (frame_pointer_cfa_offset): New. + (dbx_reg_number): Assert register elimination performed; do + leaf register remapping. + (reg_loc_descriptor): Avoid calling dbx_reg_number when unused. + (eliminate_reg_to_offset): New. + (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only + for verifiably local stack frame addresses; re-base to CFA. + (mem_loc_descriptor): Remove can_use_fbreg argument. + (concat_loc_descriptor, loc_descriptor): Likewise. + (containing_function_has_frame_base): Remove. + (rtl_for_decl_location): Don't do register elimination or + leaf register remapping here. + (secname_for_decl): Split out from .. + (add_location_or_const_value_attribute): ... here. + (convert_cfa_to_loc_list): New. + (compute_frame_pointer_to_cfa_displacement): New. + (gen_subprogram_die): Use them. + * tree.h (frame_base_decl): Remove. + * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove. + (prologue_stack_adjust): Remove. + (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET. + (adjust_stack_reference): Re-base memories to arg_pointer_rtx. + (set_frame_base_location): Remove. + (compute_bb_dataflow, emit_notes_in_bb): Don't call it. + (dump_attrs_list, dump_dataflow_set): Use string concatenation. + (vt_add_function_parameters): Don't eliminate_regs. + (vt_initialize): Don't create frame_base_decl. + +2005-09-07 Eric Botcazou + + * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended + version of GNU binutils for 4.x and later. + +2005-09-06 Mark Mitchell + + * ggc-page.c (ggc_push_context): Remove. + (ggc_pop_context): Likewise. + * ggc.h (ggc_push_context): Remove. + (ggc_pop_context): Likewise. + +2005-09-06 Saurabh Verma + + PR target/8973 + * config/arc/arc.c (arc_output_function_epilogue): Update flags while + returning from an interrupt handler. + +2005-09-06 Saurabh Verma + + PR target/8972 + * config/arc/arc.c (output_shift): Add check for loop count when + optimizing. + +2005-09-06 Steven Bosscher + + * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA + form manually. + (abs_replacement): Likewise. + (pass_phiopt): Remove TODO_update_ssa. + +2005-09-06 Jakub Jelinek + + PR c/23075 + * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR + if "return with no value, in function returning non-void" warning + has been issued. + * tree-cfg.c (execute_warn_function_return): Don't look at + RETURN_EXPRs with TREE_NO_WARNING set. + + PR target/22362 + * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm + for internal functions doesn't use registers used by global registers + variables. Use fewer register parameters if there are global register + variables. + +2005-09-06 Olivier Hainque + Eric Botcazou + + PR middle-end/14997 + * expr.c (expand_expr_real) : Force op0 to mem + when we would be extracting outside its bit span (bitpos+bitsize + larger than its mode), possible with some VIEW_CONVERT_EXPRs from + Ada unchecked conversions. + +2005-09-06 Steven Bosscher + + * tree-ssa-pre.c (try_look_through_load): New function. + (compute_avail): Use it to try to look through loads for some + more useful expressions. + +2005-09-06 Saurabh Verma + + * simplify-rtx.c (simplify_binary_operation_1): Correct the + condition for detecting cases like (a&a) and (a^a). + +2005-09-06 Keith Besaw + + * common.opt: Add option ftree-vect-loop-version. + * params.def: Add --param vect-max-version-checks. + * doc/invoke.texi: Document ftree-vect-loop-version and + --param vect-max-version-checks. + * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and + may_misalign_stmts and defines for accessors. + * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for + LOOP_VINFO_MAY_MISALIGN_STMTS. + (destroy_loop_vec_info): VEC_free for + LOOP_VINFO_MAY_MISALIGN_STMTS. + * tree-vect-analyze.c (vect_compute_data_ref_alignment): + Update documentation. + (vect_update_misalignment_for_peel): New. + (vect_enhance_data_refs_alignment): Update to choose loop + peeling or loop versioning if appropriate for the (potentially) + unaligned data references in the loop. + (vect_analyze_data_refs_alignment): Remove call to + vect_enhance_data_refs_alignment so the checks can be done + earlier. + (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment + and move up call to vect_analyze_data_refs_alignment. + * tree-vect-transform.c (vect_create_cond_for_align_checks): New. + (vect_transform_loop): Add call to loop_version. + +2005-09-06 Jakub Jelinek + + PR rtl-optimization/23098 + * cse.c (fold_rtx_mem): Call delegitimize_address target hook. + * simplify-rtx.c (constant_pool_reference_p): New function. + * rtl.h (constant_pool_reference_p): New prototype. + * config/i386/i386.md (pushf split, mov[sdx]f split): Use + constant_pool_reference_p in condition and + avoid_constant_pool_reference in preparation statements. + +2005-09-06 Andreas Krebbel + + * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for + STRICT_LOW_PART SETs. + +2005-09-06 Alan Modra + + PR middle-end/21460 + * except.c (sjlj_emit_function_enter): Find the function begin + note even when it's not in first basic block. + +2005-09-06 Kelley Cook + + * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET, + AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND. + * aclocal.m4: Regenerate. + +2005-09-05 DJ Delorie + + * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling + of macro. + +2005-09-06 Kazu Hirata + + * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c, + config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c, + config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos. + Follow spelling conventions. + * doc/invoke.texi: Follow spelling conventions. + +2005-09-05 J"orn Rennecke + + * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare. + * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions. + * builtins.c (expand_builtin_return_addr): Use gen_frame_mem. + +2005-09-05 J"orn Rennecke + + PR target/23683 + * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem. + (output_stack_adjust): Use gen_tmp_stack_mem. + (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem. + (sh_set_return_address, sh_allocate_initial_value): Likewise. + (sh_get_pr_initial_val): Likewise. + (sh_builtin_saveregs): Use gen_frame_mem and change_address. + (sh_initialize_trampoline): Likewise. Also use adjust_address. + * sh.md (divsi_inv_m0): Use gen_const_mem. + (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem. + (movdf_i4+1): Use gen_tmp_stack_mem. + (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address. + (fpu_switch+2): Likewise. + (movv4sf_i, movv16sf_i): Use adjust_address. + (symGOT_load): Set MEM_NOTRAP_P bit. + +2005-09-04 John David Anglin + + PR target/23721 + * pa.c (emit_move_sequence): Fix typo in last change. + +2005-09-03 Jakub Jelinek + + PR rtl-optimization/23454 + * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p + is true. + +2005-09-03 Richard Henderson + John David Anglin + + PR middle-end/23671 + * pa.c (emit_move_sequence): Use replace_equiv_address instead of + gen_rtx_MEM. + +2005-09-02 Nicolas Pitre + + * config/arm/arm.c (arm_legitimize_address): Limit the value passed + to bit_count to 32 bits. + +2005-08-31 Mark Mitchell + + PR c++/23167 + * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when + generating synthetic loads from volatile lvalues. + +005-09-02 Nick Clifton + + * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2, + __ctzhi2, __clzhi2): New functions. + +2005-09-02 Andrew Pinski + + PR middle-end/23547 + * tree-nested.c (struct var_map_elt): Mark with GTY. + (struct nesting_info): Mark with GTY. Mark var_map's param is struct + var_map_elt. + (lookup_field_for_decl): Allocate new element in GC memory. + (lookup_tramp_for_decl): Likewise. + (convert_nl_goto_reference): Likewise + (create_nesting_tree): Allocate info in GC memory. Likewise for + info->var_map. + (free_nesting_tree): Free with ggc_free instead of free. + (root): New static variable. + (lower_nested_functions): Remove root as local variable. And zero out + root at the end of the function. + +2005-09-02 J"orn Rennecke + + PR rtl-optimization/20365 + * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg + to short. New member ix. + (simplify_plus_minus_op_data_cmp): Break ties using ix member. + (simplify_plus_minus): Initialize ix members before calling qsort. + +2005-09-02 Zdenek Dvorak + + PR tree-optimization/23626 + * tree-cfg.c (replace_uses_by): Clean up eh info. + +2005-09-01 DJ Delorie + + * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug + fprintf. + +2005-09-01 David Edelsohn + + * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P. + (rs6000_split_multireg_move): Use replace_equiv_address instead of + gen_rtx_MEM. + +2005-09-01 Craig Rodrigues + + * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls, + do not issue warning for a variable definition following + a declaration. + +2005-09-01 Richard Henderson + + PR 23668 + * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore + conversion to CONST_VECTOR. + +2005-09-01 Richard Henderson + + PR 23676 + * reload1.c (reload_as_needed): Check !CALL_P before calling + fixup_eh_region_note. + * rtlanal.c (may_trap_p): SUBREG by itself cannot trap. + +2005-09-01 DJ Delorie + + * varasm.c (output_constant): Let the target resolve + conversions of addresses to non-default pointer sizes. + +2005-09-01 Nicolas Pitre + + * config/arm/arm.c (arm_legitimize_address): Split absolute addresses + to alow matching ARM pre-indexed addressing mode. + (arm_override_options): Remove now irrelevant comment. + +2005-09-01 Phil Edwards + + * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target. + * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode. + * config/i386/vxworks.h: Likewise. + * config/i386/t-vxworksae: New file, for VxWorks AE. + * config/i386/vxworksae.h: Likewise. + +2005-09-01 Sebastian Pop + + PR tree-optimization/23410 + * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the + sequence is not wrapping during the first step. + +2005-09-01 Jakub Jelinek + + PR debug/7241 + * dwarf2out.c (base_type_die): Compare char_type_node with + TYPE_MAIN_VARIANT (type), not type. + +2005-09-01 Richard Guenther + + PR tree-optimization/15366 + * common.opt: Add -finline-functions-called-once. + Put -fearly-inlining in alphabetically ordered place. + * doc/invoke.texi: Document new option. + * ipa-inline.c (cgraph_decide_inlining): Honour + flag_inline_functions_called_once. + +2005-09-01 Jakub Jelinek + + PR rtl-optimization/23478 + * local-alloc.c (struct qty): Add n_throwing_calls_crossed field. + (alloc_qty): Initialize it. + (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED. + (combine_regs): Combine also n_throwing_calls_crossed fields. + (find_free_reg): Don't attempt to caller-save pseudos crossing + calls that might throw. + * global.c (struct allocno): Add throwing_calls_crossed field. + (global_alloc): Revert 2005-08-22 change. Initialize + throwing_calls_crossed. + (find_reg): Don't attempt to caller-save pseudos crossing calls that + might throw. + +2005-09-01 Alan Modra + + PR target/23649 + * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks. + (mask64_operand): Reinstate code prior to 2005-06-11 change. + (mask64_2_operand): Reinstate code prior to 2004-11-11 change. + (and64_2_operand): Tweak to use predicate. + (and_operand): Adjust for mask_operand changes. + * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11. + (print_operand): Likewise. + (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand. + (mask64_1or2_operand): Delete. + * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete. + * config/rs6000/rs6000.h (EXTRA_CONSTRAINT ): Revert 2005-06-11. + (EXTRA_CONSTRAINT ): Pass operand mode to predicate. + (EXTRA_CONSTRAINT ): Disallow mask64_operand matches. + * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11. + (rotldi3_internal4): Likewise. + (rotldi3_internal5, rotldi3_internal5 split): Likewise. + (rotldi3_internal6, rotldi3_internal6 split): Likewise. + (ashldi3_internal7): Likewise. + (ashldi3_internal8, ashldi3_internal8 split): Likewise. + (ashldi3_internal, ashldi3_internal9 split): Likewise. + (anddi3 split): Don't match mask64_operand. + (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate. + (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0 + splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify + 't' splitter predicate. + (movdi_internal64 + 2): Revert 2005-06-11 change. + +2005-08-31 DJ Delorie + + * config/m32c/m32c.c (m32c_valid_pointer_mode): New. + (m32c_asm_integer): Add support for 32 bit pointers. + +2005-08-31 Richard Henderson + + * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through + component-like references for setting MEM_NOTRAP_P. + + * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P. + * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise. + +2005-08-31 Richard Henderson + + * expr.c (expand_expr_real_1) : Force subregs + into a pseudo before applying gen_lowpart. + +2005-08-31 Geoffrey Keating + + * doc/install.texi (Specific): Update cctools version required + for full functionality. + * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the + linkers as -macosx_version_min. + +2005-08-31 J"orn Rennecke + + PR target/21255 + * sh.c (print_operand, %R and %S): Add handling of floating point + registers, memory, constants and invalid operands. + +2005-08-31 Daniel Berlin + + * ipa-pure-const.c: Change dump name. + +2005-08-31 Uros Bizjak + + PR target/23570 + * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint + to "reg_or_0_operand". + (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand". + +2005-08-31 Dale Johannesen + + * loop-iv.c (iv_number_of_iterations): Fix overflow check for + loops that count down. + +2005-08-31 Richard Henderson + + PR rtl-opt/23601 + * reload1.c (reload): Set MEM_NOTRAP_P in spill slots. + (fixup_eh_region_note): New. + (reload_as_needed): Call it. + (fixup_abnormal_edges): Allow all throwing insns to be deleted; + don't call find_many_sub_basic_blocks; call verify_flow_info. + * function.c (assign_stack_local_1): Set MEM_NOTRAP_P. + (keep_stack_depressed): Likewise. + (assign_stack_temp_for_type): Likewise; use adjust_address_nv. + +2005-08-31 Richard Henderson + + * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for + fp return matching. + +2005-08-31 Fariborz Jahanian + + * expr.c (expand_expr_real_1): Compare size of address + mode to target's address mode size in deciding expansion of + the constant address. + +2005-08-31 Richard Guenther + + PR middle-end/23477 + * expr.c (all_zeros_p): New function. + (expand_expr_real_1): Handle the case of an all-zero + non-addressable constructor separately. + +2005-08-31 Adrian Straetling + + * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change + arguments, adjust all callers. + (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy. + +2005-08-30 Richard Henderson + + PR target/23630 + * expr.c (expand_expr_real_1) : Use gen_lowpart + whenever the mode sizes match. + +2005-08-31 Alan Modra + + * calls.c (load_register_parameters): Fix comment typo. + * expr.c (emit_push_insn): Comment formatting. + +2005-08-30 Ian Lance Taylor + + * config/i386/x-cygwin (host-cygwin): Change dependency from + hosthooks-def.h to $(HOSTHOOKS_DEF_H). + +2005-08-29 Geoffrey Keating + + * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify + parts of 'vals'. + +2005-08-29 Andrew Pinski + + PR middle-end/23408 + * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the + call to ggc_collect. + +2005-08-29 Paolo Bonzini + + PR bootstrap/21268 + * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the + beginning. Remove $(INCLUDES) from all the rules, if following + $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS). + +2005-08-29 Jakub Jelinek + + PR middle-end/23484 + * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk, + fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is + not constant, but maxlen is, don't set len to maxlen, rather + set maxlen to len if len is a constant. + +2005-08-29 Zdenek Dvorak + + PR tree-optimization/23475 + * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies + and counts. + +2005-08-28 Daniel Berlin + + Fix PR middle-end/22455 + + * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size. + Checksum only the parts of the tree that exist for the tree code. + +2005-08-28 Dale Johannesen + + * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO. + +2005-08-28 Andrew Pinski + + * tree-vrp.c: Remove obsolete comment in front of vrp_initialize. + +2005-08-28 Richard Henderson + + * stor-layout.c (finalize_type_size): Revert workaround from 08-26. + * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment + of char_type_node. + +2005-08-28 Jakub Jelinek + + PR ada/23593 + * builtins.c (get_memory_rtx): Don't strip nops + in between COMPONENT_REFs. + +2005-08-27 Andrew Pinski + + PR middle-end/23463 + * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized + types. + (gimplify_modify_expr): Check for zero sized types and gimplify the + rhs and lhs as statements. + +2005-08-27 John David Anglin + + PR libgcj/23508 + * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame + state for return address column of signal frames. + +2005-08-27 David Edelsohn + + PR target/23539 + * config/rs6000/rs6000.c (expand_block_clear): Use HImode when + bytes >= 2 not bytes == 2. + (expand_block_move): Same. + +2005-08-27 Richard Guenther + + PR target/23575 + * config/i386/sse.md (sse2_movsd): Add missing closing + braces. + +2005-08-27 Paul Brook + + * genrecog.c (enum decision_type): Add DT_num_insns. + (struct decision_test): Add u.num_insns. + (add_to_sequence): Add DT_num_insns test. + (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns. + (write_cond, debug_decision_2): Ditto. + (change_state): Assume peep2_next_insn never fails. + Remove "afterward" argument. + (write afterward, write_tree): Update to match. + * recog.c (peep2_current_count): New variable. + (peep2_next_insn): Check it. + (peephole2_optimize): Set peep2_current_count. + * recog.h (peep2_current_count): Declare. + +2005-08-26 Josh Conner + + PR middle-end/23584 + * ipa-pure-const.c (check_tree): Check for volatile-ness + when considering a dereference. + +2005-08-27 Jakub Jelinek + + * rtl.h (MEM_IN_STRUCT_P): Fix comment typo. + +2005-08-26 Jakub Jelinek + + PR rtl-optimization/23561 + * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is + a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless + at most LEN bytes long memory fits into the field. + (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr, + expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp, + expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers. + +2005-08-26 Richard Henderson + + PR rtl-opt/23560 + * loop.c (biased_biv_may_wrap_p): New. + (maybe_eliminate_biv_1): Use it to suppress non-equality + comparison transformations. Delete disabled code. + +2005-08-26 Ian Lance Taylor + + * combine.c (make_extraction): Avoid reference outside object. + +2005-08-26 J"orn Rennecke + + * stor-layout.c (finalize_type_size): Restore behaviour for + non-aggregate types to the status quo ante of the patch for + pr 23467. Document why it matters. + +2005-08-26 Jakub Jelinek + + PR c/23506 + * c-common.c (c_common_nodes_and_builtins): Increase builtin_types + array by one element, initialize the BT_LAST element with NULL. + +2005-08-26 David Edelsohn + + * config/rs6000/rs6000.md (eq_compare): Only enable when + optimizing for size. + (plus_eqsi): Same. + (compare_plus_eqsi): Same. + (plus_eqsi_compare): Same. + (neg_eq0): Same. + (neg_eq): Same. + + * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to + PROCESSOR_POWER4. + +2005-08-26 Nick Clifton + + * config/v850/v850.c (ep_memory_operand): Return FALSE if + TARGET_EP is not defined. + * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if + TARGET_EP is enabled. + (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing. + * config/v850/v850.md (save_all_interrupt): Only use the EP + register if TARGET_EP is defined. + (restore_all_interrupt): Likewise. + * config/v850/lib1funcs.asm: Update functions so that the EP + register is only used if __EP__ is defined. + +2005-08-26 David Ung + + * config/mips/mips.c (mips_expand_prologue): Handle case when + generating for MIPS16 and the outgoing argument area is more than + SMALL_OPERAND. Use the frame pointer as temporary to generate the + add instruction. + +2005-08-26 Paul Woegerer + + * config/crx/crx.md: Make doloop_end pattern usage controllable + via mloop-nesting= command line switch. Make sure + the combiner cannot use doloop_end_ in an illegal way. + * config/crx/crx.c: Use regs up to r6 for argument passing. + Refine crx_address_cost (non cst4 displacements are expensive). + * config/crx/crx.opt: Add switch for mloop-nesting=. + +2005-08-26 Adrian Straetling + + * config/s390/s390.md: ("movstr", "*movstr"): Add patterns. + (UNSPEC_MVST): New constant. + +2005-08-26 Andreas Krebbel + + * config/s390/predicates.md ("shift_count_operand", "setmem_operand"): + Reject operands containing eliminable registers. + * testsuite/gcc.dg/20050825-1.c: New testcase. + +2005-08-24 Paolo Bonzini + Jan Hubicka + + * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links. + +2005-08-24 Paolo Bonzini + + PR tree-optimization/23546 + * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST + and REAL_CST nodes. + +2005-08-24 Pete Steinmetz + + * params.def (PARAM_MIN_SPEC_PROB): New. + * sched-rgn.c (MIN_PROBABILITY): Delete. + (compute_trg_info): Convert to PARAM_VALUE. + * doc/invoke.texi (param): Document min-spec-prob. + +2005-08-24 Fariborz Jahanian + + * config/darwin.h: define __PIC__ + * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to + TARGET_OS_CPP_BUILTINS macro. + +2005-08-24 Paolo Bonzini + + * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added + yesterday. + +2005-08-24 Zdenek Dvorak + + * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument + to duplicate_block. + * cfghooks.c (duplicate_block): Added position where to place + new block as argument. + * cfghooks.h (duplicate_block): Declaration changed. + * cfglayout.c (copy_bbs): Add argument after. Pass it to + duplicate_block. + * cfglayout.h (copy_bbs): Declaration changed. + * cfgloop.h (loop_version): Declaration changed. + * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass + position to copy_bbs. + (loop_version): Pass position to duplicate_loop_to_header_edge. + Add place_after argument and position new blocks according to + it. + * modulo-sched.c (sms_schedule): Pass place_after argument + to loop_version. + * tracer.c (tail_duplicate): Pass argument to duplicate_block. + * tree-cfg.c (split_edge_bb_loc): New function. + (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc + to determine position of new blocks. + * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument + to loop_version. + * tree-ssa-threadupdate.c (create_block_for_threading): Pass + argument to duplicate_block. + * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): + Pass position to copy_bbs. + +2005-08-24 Zdenek Dvorak + + * fold-const.c (ptr_difference_const): Use + cst_and_fits_in_hwi instead of host_integerp. + +2005-08-24 Paolo Bonzini + + * config/darwin.c (gen_pic_offset): New. + (machopic_indirect_data_reference, machopic_legitimize_pic_address): + Use it. + +2005-08-23 Zdenek Dvorak + + PR tree-optimization/23486 + * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals. + +2005-08-23 Phil Edwards + + * config.gcc (*-*-vxworks*): Update tm_file, add extra_options, + remove use_collect2. + (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target. + + * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target + configuration files to override the default value. + + * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO, + EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS. + * config/vx-common.h: New file, split out from... + * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode. + * config/vxworksae.h: New file, for VxWorks AE. + * config/vxworks.opt: New file. + * config/vxlib.c: Update for VxWorks 6. + + * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust + other MULTILIB_* variables appropriately. + (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm. + * config/rs6000/t-vxworksae: New file, adjust multilibs for AE. + * config/rs6000/vxworks.h: Update for VxWorks 6. + * config/rs6000/vxworksae.h: New file, mostly placeholder for now. + +2005-08-23 Andrew Pinski + + PR target/20799 + * config/darwin.c (machopic_select_section): Remove the hack to + mark "::operator new" and "::operator delete" for coalescing + even though they are not weak. + +2005-08-24 Alan Modra + + * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch. + * configure: Regenerate. + +2005-08-23 Paolo Bonzini + + PR middle-end/23517 + * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert + between vectors. + * convert.c (convert_to_integer, convert_to_vector): Likewise. + * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1): + Likewise. + +2005-08-23 Paolo Bonzini + + * config/rs6000/predicates.md (equality_operator): New. + * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for + comparison with a large constant. + +2005-08-23 Mark Mitchell + + * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT. + +2005-08-23 J"orn Rennecke + + * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp + registers is even, and we have a hardware double precision fp, + align the buffer. + (sh_gimplify_va_arg_expr): For floating point arguments, consider + size of current argument when checking if argument was passed in + registers. + + * sh.c (sh_attr_renesas_p): Handle error_mark_node. + + PR middle-end/23467 + * stor-layout.c (finalize_type_size): Dont override + existing alignment with a smaller alignment from the mode. + +2005-08-23 Sebastian Pop + + * lambda-code.c (lambda_vector_lexico_pos): Moved... + * lambda.h (lambda_vector_lexico_pos): ... here. + * tree-data-ref.c (build_classic_dist_vector): Return false when + the distance vector is lexicographically negative. + +2005-08-23 Sebastian Pop + + PR tree-optimization/23511 + * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't + handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE. + +2005-08-23 Jakub Jelinek + + PR tree-optimization/22043 + * tree.h (count_type_elements): Add ALLOW_FLEXARR argument. + * expr.c (count_type_elements): Add ALLOW_FLEXARR argument. + If ALLOW_FLEXARR, handle types ending with flexible array member. + Pass false as second argument to recursive count_type_elements calls. + (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second + argument to count_type_elements call. + * tree-sra.c (decide_block_copy): Likewise. + * gimplify.c (gimplify_init_constructor): If num_type_elements < 0 + for a constant-sized object, set cleared as well. Pass true as + second argument to count_type_elements call. + +2005-08-23 Alan Modra + + PR target/21571 + * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename + from legitimate_small_data_p, and make global. Update use. + Remove forward declaration. + * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p): + Declare. + * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems. + +2005-08-23 David Edelsohn + + * config/rs6000/rs6000.md (eq): Use output operand instead + of scratch intermediates. + (eq_compare): Same. + (neg_eq0): New. + (neg_eq): Convert to define_insn_and_split. + +2005-08-23 Alan Modra + + PR target/23070 + * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to + stdarg functions, set/clear the fp marker even when no variable + args are passed. + * config/rs6000/sysv4.opt (mprototype): Describe. + +2005-08-22 Jakub Jelinek + + PR rtl-optimization/23478 + * regs.h (reg_info): Add throw_calls_crossed. + (REG_N_THROWING_CALLS_CROSSED): Define. + * flow.c (allocate_reg_life_data): Initialize + REG_N_THROWING_CALLS_CROSSED. + (propagate_one_insn, attempt_auto_inc): Update + REG_N_THROWING_CALLS_CROSSED. + * global.c (global_alloc): Don't allocate pseudos across + calls that may throw. + +2005-08-22 Andrew Pinski + + PR c/18715 + * c-common.c (c_do_switch_warnings): Look for a node where the enum's + value is inbetween the range if we did not find an exact match. + +2005-08-22 Aldy Hernandez + + * doc/invoke.texi (Option Summary): Add ms1 options. + * doc/extend.texi: Document interrupt handler attribute for ms1. + * doc/md.texi: Document ms1 constraints. + * config.gcc: Add ms1-*-elf. + * config/ms1/ms1.h: New. + * config/ms1/ms1.c: New. + * config/ms1/ms1.md: New. + * config/ms1/ms1-protos.h: New. + * config/ms1/ABI.txt: New. + * config/ms1/crti.asm: New. + * config/ms1/crtn.asm: New. + * config/ms1/lib2extra-funcs.c: New. + * config/ms1/t-ms1: New. + * config/ms1/ms1.opt: New. + +2005-08-22 Ira Rosen + + * config/rs6000/altivec.md (xorv4sf3): New. + (negv4sf2, neg2): Likewise. + +2005-08-21 H.J. Lu + + PR target/23485 + * config/ia64/ia64.md (divsi3): Check divide by zero. + (udivsi3): Likewise. + (divdi3): Likewise. + (udivdi3): Likewise. + +2005-08-21 Jakub Jelinek + + * simplify-rtx.c (simplify_immed_subreg) : Only clear + up to elem_bitsize bits, not max_bitsize. + +2005-08-21 Sebastian Pop + + PR tree-optimization/23433 + * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a + REAL_CST when the type is SCALAR_FLOAT_TYPE_P. + +2005-08-21 Sebastian Pop + + PR tree-optimization/23434 + * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when + the iteration bound is not an INTEGER_CST. + +2005-08-21 Dorit Nuzman + + * tree-vect-transform.c (get_initial_def_for_reduction): Set + need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to + NULL if need_epilog_adjust is false. + (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed. + Case 3 always peels first itration, not just for PLUS case, and no need + to use scalar_initial_def here. Create an epilog adjustment only if + scalar_initial_def is not NULL. + + (vectorizable_reduction): Remove assert. + +2005-08-20 H.J. Lu + + PR target/23485 + * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero. + (__moddi3): Likewise. + (__udivdi3): Likewise. + (__umoddi3): Likewise. + (__divsi3): Likewise. + (__modsi3): Likewise. + (__udivsi3): Likewise. + (__umodsi3): Likewise. + +2005-08-20 Jakub Jelinek + + * tree-pass.h (TDF_GRAPH): Define. + * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all". + * passes.c (finish_optimization_passes): Only call + finish_graph_dump_file if TDF_GRAPH is set. + (execute_one_pass): Only call clean_graph_dump_file if dump_file != + NULL. Set TDF_GRAPH bit. + (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set. + +2005-08-20 Richard Earnshaw + + * arm.h (arm_stack_offsets): Add locals_base field. + * arm.c (arm_get_frame_offsets): Compute it. + (thumb_compute_initial_elimination offset): Make the Thumb frame + pointer point to the base of the local variables. + (thumb_expand_prologue): Update accordingly. + (thumb_expand_epilogue): Likewise. + + * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change + mode of clobbered scratch to DImode. Handle a case that's known to + need this. + +2005-08-19 David Edelsohn + + * config/rs6000/rs6000.md (gt0): Delete. + (gt0_compare): Delete. + (neg_gt0): Delete. + +2005-08-19 Eric Christopher + + * optabs.h: Change CTI_ to COI_. + * optabs.c: Ditto. + +2005-08-19 James E Wilson + + * builtins.c (expand_builtin_return_addr): Set + current_function_accesses_prior_frames when count != 0. Use + frame_pointer_rtx when count == 0. + * function.h (struct function): Add accesses_prior_frames field. + (current_function_accesses_prior_frames): Define. + * reload1.c (init_elim_table): Check + current_function_accesses_prior_frames. + * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs. + +2005-08-19 Diego Novillo + + * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change + indicator. Return true if the flowgraph changed during + cleanup. + +2005-08-19 Diego Novillo + + PR 23476 + * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the + conditional expression before testing its value. + +2005-08-19 Diego Novillo + + * doc/invoke.texi: Fix documentation for -ftree-dominator-opts. + +2005-08-19 Devang Patel + + PR tree-optimization/23048 + * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as + third parameter. Check whether latch is dominated by exit + block or not. + (if_convertible_loop_p): Supply exit block itself to + if_convertible_bb_p. + +2005-08-19 Richard Earnshaw + + PR target/23473 + * arm.md (arm_load_pic_register): Change argument to the mask of + saved registers. Call thumb_find_work_register if we need a + scratch register on Thumb. + (arm_expand_prologue): Pass empty register set to + arm_load_pic_register. + (thumb_expand_prologue): Pass live_regs_mask directly to + arm_load_pic_register. + * arm-protos.h (arm_load_pic_register): Update prototype. + +2005-08-19 J"orn Rennecke + + * sh.c (find_sole_member): New function. + (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch + if the record's alignment is larger than the size of its only member. + +2005-08-19 Richard Earnshaw + + PR target/23436 + * arm.c (thumb_legitimize_reload_address): New function. + * arm-protos.h (thumb_legitimize_reload_address): Add prototype. + * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it. + +2005-08-19 Paul Woegerer + + * config/crx/crx.c: Implement crx_decompose_address. Reject + symbolic displacements since CRX register relative adressing + mode can't handle unsigned 32-bit values as displacements. + * config/crx/crx.h: Simplify definitions, remove redundant + parenthesis and obsolete macros. + * config/crx/crx.opt: Add new switch for debugging addresses. + * config/crx/crx-protos.h: Add new declarations for above. + +2005-08-19 Andrew Pinski + + PR middle-end/20624 + * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by + looking past it. + +2005-08-18 Kaveh R. Ghazi + + * collect2.c (dup2): Delete. + * configure.ac: Don't check for dup2. + + * config.in, configure: Regenerate. + +2005-08-18 J"orn Rennecke + + * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE + record with the type of its only member. + +2005-08-18 David Edelsohn + + * config/rs6000/rs6000.md (ltu_compare): Convert to + define_insn_and_split. + (plus_ltu_compare): Same. + (gtu_compare): Same. + (plus_gtu_compare): Same. + +2005-08-18 Dorit Nuzman + + PR tree-optimization/22228 + * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to + todo_flags_start. + * tree-vect-transform.c (vect_transform_loop): Mark the variables that + are recorded in vect_vnames_to_rename for renaming. + * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap. + (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming + in vect_vnames_to_rename. + (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap. + * tree-vectorizer.h (vect_vnames_to_rename): New extern variable. + +2005-08-18 Jan Hubicka + + PR c++/22034 + * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug + info only for local statics, not for member variables. + +2005-08-18 Volker Reichelt + + * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo. + +2005-08-18 Volker Reichelt + + * c-typeck.c (designator_errorneous): Rename to designator_erroneous. + +2005-08-18 Andrew Pinski + + PR middle-end/16045 + * builtins.c (fold_builtin): Create a new NOP_EXPR all the time. + +2005-08-17 James E Wilson + + * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in + array size check. + +2005-08-17 David Edelsohn + + * config/rs6000/rs6000.md (leu): Convert to mode macro. + (leu_compare): Same. + (plus_leu): Same. + (neg_leu): Same. + (and_neg_leu_compare): Same. + (plus_ltu): Same. + (geu): Same. + (geu_compare): Same. + (plus_geu): Same. + (neg_geu): Same. + (and_neg_geu): Same. + (plus_gt): Same. + (gtu_compare): Same. + (plus_gtu): Same. + +2005-08-17 Erik Christiansen + + * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos. + Move call_table_data to end. Delete spurious .text. + (callt_save_all_interrupt): Fix comment typo. + +2005-08-17 James E Wilson + Kevin Winchester + + PR target/21684 + * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0. + +2005-08-17 Uros Bizjak + + PR target/23268 + * config/i386/i386.md ("*fist2_1"): New pattern. + ("lrint2"): Change expander to use "*fist2_1" pattern. + +2005-08-17 J"orn Rennecke + + * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE + record with the type of its only member if the modes don't match. + + * varasm.c (decode_reg_name): Skip empty additional register names. + +2005-08-16 Zdenek Dvorak + + * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name, + lsm_tmp_name_length): New. + (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions. + (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp". + +2005-08-16 Ulrich Weigand + Andreas Krebbel + + * config.gcc: Added z9-109 switch. + * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl", + "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi", + "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other", + "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf", + "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable + for "z9_109" cpu attribute. + * config/s390/s390.c (z9_109_cost): New processor cost structure. + (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros. + (s390_handle_arch_option): Added z9-109 switch. + (override_options): Set respective cost function for z9-109. + (s390_const_ok_for_constraint_p): New constraints Os, Op, On. + (legitimate_reload_constant_p): Accept extended immediates. + (print_operand): Three new output modifiers added: k, m and o. + (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990. + (s390_output_mi_thunk): Use extended immediate when possible. + * config/s390/s390.h (processor_flags): Added PF_EXTIMM. + (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros. + (CONSTRAINT_LEN): Added length of O constraint. + (CLZ_DEFINED_VALUE_AT_ZERO): Definition added. + * config/s390/s390.md ("cpu"): New value z9_109 added. + ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm", + "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm", + "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm", + "*zero_extendsi2_extimm", "*anddi3_extimm", "*iordi3_extimm", + "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns. + ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2", + "*zero_extendsi2_64", "zero_extendqihi2", "*zero_extendqihi2_64", + "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM. + ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu", + "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc", + "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc", + "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3", + "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc", + "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly", + "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended + immediates. + ("extenddi2", "extendsi2", "zero_extenddi2", + "zero_extendsi2"): Allow memory operands and don't manually emit + insns for TARGET_EXTIMM. + +2005-08-17 Andreas Krebbel + + * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options. + +2005-08-17 Nick Clifton + + * config/stormy16/stormy16.c (xstormy16_encode_section_info): + Call default_encode_section_info. + +2005-08-17 Steven Bosscher + + PR tree-optimization/21574 + * tree-ssa-ccp.c (likely_value): If the right hand side is a + constant, return CONSTANT. + (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal. + (ccp_fold, visit_assignment): Likewise. + (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way. + +2005-08-16 James A. Morrison + + * c-typeck.c (build_function_call): Call fold_buildN_initializer or + fold_buildN instead of buildN then fold_initializer or fold. + (build_unary_op): Likewise. + (build_binary_op): Likewise. + * fold-const.c (fold_initializer): Remove. + (fold_build1_initializer): New function. + (fold_build2_initializer): New function. + (fold_build3_initializer): New function. + * tree.h (fold_initializer): Remove. + (fold_build1_initializer): New function. + (fold_build2_initializer): New function. + (fold_build3_initializer): New function. + +2005-08-16 James A. Morrison + + * fold-const.c (optimize_bit_field_compare): Remove extra fold call. + (try_move_mult_to_index): Call fold_build2 instead of build2. + (fold_binary): Don't call fold after calls to try_move_mult_to_index. + * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of + fold_binary_to_constant. + (infer_loop_bounds_from_undefined): Call fold_build2 instead of + fold (build. + * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to + check if A == gcd (A, B). Remove TYPE argument. + (analyze_offset) Use fold_build2 instead of fold (build. + (create_data_ref): Likewise. + (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p. + * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2 + then fold. + +2005-08-17 Kelley Cook + + * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c, + ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address. + +2005-08-16 Andrew Pinski + + PR tree-opt/23402 + * gimplify.c (zero_sized_type): New function. + (gimplify_modify_expr_rhs): If we have a zero sized type, + replace the statement with an empty statement. + +2005-08-16 H.J. Lu + + * config/i386/crtfastmath.c (set_fast_math): Add "=m" for + fxsave. + +2005-08-16 Ian Lance Taylor + + * doc/tm.texi (Label Output): Correct typo. + +2005-08-16 Steven Bosscher + + PR target/23376 + * loop-unroll.c (analyze_insn_to_expand_var): Make sure that + force_operand will work later on using have_insn_for. + +2005-08-16 Volker Reichelt + + * fold-const.c (tree_expr_nonnegative_p): Regroup cases. + +2005-08-16 Ian Lance Taylor + + PR c++/23337 + * gimplify.c (gimplify_init_ctor_eval): If we see an element of + vector type, don't try to construct it element by element. Add an + assertion that we use a FIELD_DECL when building a COMPONENT_REF. + +2005-08-16 Volker Reichelt + + * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR. + +2005-08-16 Geoffrey Keating + + * doc/invoke.texi (Precompiled Headers): Document some more options + which are known to be safe. + +2005-08-16 James E Wilson + + PR tree-optimization/21105 + * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in + TREE_OVERFLOW check. + +2005-08-16 David Edelsohn + + * config/rs6000/rs6000.md (ltu): Convert to mode macro. + (neg_ltu): Same. + (gtu): Same. + (neg_gtu): Same. + +2005-08-16 Volker Reichelt + + * builtins.c (expand_builtin_strcat): Remove superfluous call to fold. + (fold_builtin_isdigit): Use fold_buildN. + (build_function_call_expr): Likewise. + * c-typeck.c (c_finish_loop): Likewise. + +2005-08-16 J"orn Rennecke + Richard Shann + + PR middle-end/20396: + * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account. + +2005-08-16 Sebastian Pop + + * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment. + +2005-08-15 Richard Earnshaw + + PR target/23355 + * arm.c (thumb_compute_save_reg_mask): Use similar logic to + arm_compure_save_reg0_reg12_mask to determine when the PIC register + must be saved. + +2005-08-15 John David Anglin + + PR middle-end/23369 + * fold-const.c (build_range_check): Disable optimization for function + pointer expressions on targets that require function pointer + canonicalization. + +2005-08-15 Ulrich Weigand + + * simplify-rtx.c (simplify_const_relational_operation): When + extracting arguments of a COMPARE, recompute the mode as well. + +2005-08-15 Ian Lance Taylor + + * tree.c (build_string): Mark tree CONSTANT and INVARIANT. + +2005-08-15 DJ Delorie + + * config/m32c/mov.md (movqi_op): Immediates can't be moved to + the stack. + (movsi_splittable): Allow, but split, moves to the stack. + * config/m32c/m32c.c (m32c_split_move): Always split moves to the + stack. + +2005-08-15 Kaveh R. Ghazi + + * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete. + * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR. + * system.h (HOST_PTR_PRINTF): Don't define, poison it. + + * bitmap.c, c-decl.c, config/i386/i386-interix.h, + config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c: + Delete HOST_PTR_PRINTF. + + * configure, config.in: Regenerate. + +2005-08-15 David Edelsohn + + * config/rs6000/rs6000.md (QHSI): New mode macro. + (wd): Extend mode attr for QImode and HImode + (dbits): New mode attr. + (zero_extenddi2): Convert to mode macro. + +2005-08-15 Steve Ellcey + + PR target/21841 + * doc/invoke.texi (-mgnu-ld): Update description. + (-mhp-ld): Ditto. + +2005-08-15 Sebastian Pop + + PR 23391 + * Makefile.in (tree-chrec.o): Depends on real.h. + * tree-chrec.c: Include real.h. + (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly, + chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P. + * tree-scalar-evolution.c (add_to_evolution_1, + interpret_rhs_modify_expr): Ditto. + +2005-08-15 Sebastian Pop + + PR 23386 + * tree-data-ref.c (estimate_niter_from_size_of_data): When + step is negative compute the estimation from init downwards to zero. + +2005-08-14 James A. Morrison + + * fold-const (fold_binary): Call fold_build2 instead of fold (build. + +2005-08-14 Ulrich Weigand + + * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P' + constraint. + (legitimate_reload_constant_p): Fix handling of lliXX operands. + Accept double-word constants that can be split. + * config/s390/s390.md ("movti"): Use 'P' constraint. + ("*movdi_31", "*movdf_31"): Likewise. + +2005-08-14 Daniel Berlin + + Fix PR tree-optimization/22615 + + * tree-ssa-structalias.c (solution_set_add): Handle + first_vi_for_offset returning NULL. + (do_da_constraint): Ditto. + (do_sd_constraint): Ditto. + (do_ds_constraint): Ditto + (find_func_aliases): Ditto. + (build_constraint_graph): RHS is allowed be ANYTHING. + (first_vi_for_offset): Return NULL if we couldn't find anything at + the offset. + +2005-08-14 Ulrich Weigand + + * config/s390/s390.c (s390_canonicalize_comparison): Prefer register + over memory as first operand. + +2005-08-14 H.J. Lu + + PR target/23360 + * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is + available for setting it. + +2005-08-14 Ira Rosen + + PR tree-optimization/23320 + * tree-data-ref.c (base_addr_differ_p): Add comment. Check + data-refs' types instead of base object nullness. Add check for + pointer type data-refs before first location comparison. Remove + assert. + +2005-08-14 Andreas Schwab + + * doc/md.texi (Machine Constraints): Fix misplaced @end table. + +2005-08-13 James E Wilson + + * doc/cpp.texi (__SSP__, __SSP_ALL__): Document. + * doc/invoke.texi (-Wstack-protector, -fstack-protector, + -fstack-protector-all, --param ssp-buffer-size): Document. + (-Wvariadic-macros): Alphabetize. + (-fsched-stalled-insns-dep): Add missing 'f'. + + * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect + macros. + +2005-08-13 David Edelsohn + + * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed + or indirect address operand. + (EXTRA_ADDRESS_CONSTRAINT): New. + * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a". + +2005-08-13 Sebastian Pop + + PR tree-optimization/22236 + * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print + successors and predecessors. + * tree-chrec.c (chrec_convert): Before converting, check that + sequences don't wrap. + * tree-data-ref.c (compute_estimated_nb_iterations): Moved ... + (analyze_array): Extern. + (find_data_references_in_loop): Remove call to + compute_estimated_nb_iterations. + * tree-data-ref.h (analyze_array): Declared. + * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand, + single_ssa_def_operand, zero_ssa_operands): Fix documentation. + * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter. + * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry + condition. + * tree-ssa-loop-ivcanon.c: Fix documentation. + * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note. + * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here. + (infer_loop_bounds_from_undefined): New. + (estimate_numbers_of_iterations_loop): Use + infer_loop_bounds_from_undefined. + (used_in_pointer_arithmetic_p): New. + (scev_probably_wraps_p): Pass an extra parameter. Call + used_in_pointer_arithmetic_p. Check that AT_STMT is not null. + (convert_step): Fix documentation. + * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters. + Use initial_condition_in_loop_num and evolution_part_in_loop_num + instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to + scev_probably_wraps_p. + +2005-08-13 Ulrich Weigand + + * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change. + (s390_register_info): Ignore clobbered_regs information for fixed + registers, and only fixed registers. + (s390_init_frame_layout): Remove redundant call. + +2005-08-12 Gerald Pfeifer + + * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to + description of -Wold-style-casts. + +2005-08-12 Andreas Krebbel + Jakub Jelinek + + * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define. + * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added. + * config/s390/s390.c (print_operand): New output modifier 'G' added. + (get_thread_pointer): Renamed to s390_get_thread_pointer. + * config/s390/s390.md (stack_protect_set, stack_protect_test): If + TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to + (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))). + (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants. + ("stack_protect_set", "stack_protect_test"): New expanders. + ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi", + "stack_protect_testdi"): New insn definitions. + +2005-08-12 Andreas Krebbel + + * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K. + +2005-08-12 Paul Brook + + * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set. + +2005-08-12 Andreas Krebbel + + * config/s390/predicates.md (setmem_operand): New predicate. + (shift_count_operand): Accept ANDs with special constants as + operand. + * config/s390/s390.c (print_shift_count_operand): Skip ANDs + with special constants. + * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced + shift_count_operand with setmem_operand. + +2005-08-12 Andreas Krebbel + + * config/s390/s390.c (s390_extract_part, s390_single_part): + Type cast added. + (s390_const_ok_for_constraint_p): Added SImode to the N constraint. + (s390_output_mi_thunk): Don't use lg on 31 bit. + * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy. + ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH. + +2005-08-12 Andreas Krebbel + + * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros. + (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p, + s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue, + s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P + with one of the new macros. + +2005-08-12 Andreas Krebbel + + * config/s390/s390.c (s390_split_branches, s390_init_frame_layout): + Don't set save_return_addr_p. + (s390_register_info): Make clobbered_regs not depending on + save_return_addr_p. + +2005-08-12 Kaz Kojima + + * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }. + (LINK_COMMAND_SPEC): Add space after %(link_ssp). + +2005-08-11 James E. Wilson + + * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New. + +2005-08-11 Jakub Jelinek + + * dwarf2out.c (add_location_or_const_value_attribute): Prefer + locations gathered by var-tracking in single entry loc_list + over loc_descriptor_from_tree. + + * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument, + pass it down to loc_descriptor. + (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor. + (containing_function_has_frame_base): Move earlier in the file. + (loc_descriptor_from_tree_1): Use containing_function_has_frame_base + instead of always assuming fbreg can't be used. + +2005-08-11 David Edelsohn + + * config/rs6000/altivec.md: Change constraint "m" to "Z". + * config/rs6000/predicates.md (indexed_or_indirect_operand): + Accept address wrapped in AND for Altivec. + * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): + Strip AND wrapping offset address for Altivec. + +2005-08-11 Richard Henderson + + PR middle-end/23312 + * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE + before using TYPE_IS_SIZETYPE. + +2005-08-11 Richard Henderson + + PR target/22225 + * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for + insn types not present on ev4. + (alphaev5_insn_pipe): Similarly. + +2005-08-11 Richard Earnshaw + + PR target/23250 + * arm.c (arm_override_options): If the user has selected callee-super- + interworking, then enable normal interworking. + +2005-08-11 Rainer Orth + + * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before + redefinition. + +2005-08-11 Wu Zhou + + * doc/rtl.texi: Fix two typos. + +2005-08-11 Richard Guenther + + PR target/23289 + * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle + cases where we call to/from functions returning void. + +2005-08-10 James A. Morrison + + PR c++/23225 + * tree.c (build_pointer_type_for_mode): Robustify. + +2005-08-10 James E Wilson + + * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h + (ASM_OUTPUT_ADDR_VEC_ELT): Delete. + + * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to + "cum->". + +2005-08-10 Eric Christopher + + * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite. + * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use + V2DFmode. + +2005-08-10 Andrew Pinski + + PR target/21887 + * config/darwin.c (machopic_indirect_data_reference): Use a new register + for the high part when generating dynamic-no-pic code. + +2005-08-10 H.J. Lu + + * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file. + (x86_64-*-linux*): Likewise. + + * config/i386/crtfastmath.c: New file. + * config/i386/t-crtfm: Likewise. + + * config/i386/linux.h (ENDFILE_SPEC): New. + * config/i386/linux64.h (ENDFILE_SPEC): Likewise. + + * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add + crtfastmath.o. + +2005-08-10 Dorit Nuzman + + * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus): + (vec_shl, vec_shr): Document new operations. + * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment. + +2005-08-10 David Edelsohn + + * config/rs6000/predicates.md (indexed_or_indirect_address): New. + * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and + change predicate to indexed_or_indirect_address. + +2005-08-10 Richard Sandiford + + * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases. + * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv, + __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4 + and __aeabi_uwrite8. + * config/arm/unaligned-funcs.c: New file. + * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c. + +2005-08-09 Paolo Bonzini + + * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks): + Add dump. + * cfglayout.c (pass_insn_locators_initialize): Add dump. + * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): + Add dump. + * except.c (pass_convert_to_eh_region_ranges): Add dump. + * final.c (pass_shorten_branches): Add dump. + * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump. + (pass_life): Rename dump. + (rest_of_handle_flow2): Remove initial verify_flow_info. + * function.c (pass_instantiate_virtual_regs): Add dump. + * integrate.c (pass_initial_value_sets): Add dump. + * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump. + * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump. + (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop, + pass_rtl_unroll_and_peel_loops): Rename dump and add gate. + (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop, + gate_rtl_unrool_and_peel_loops): New. + (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops, + rtl_doloop): Do not look at flags. + * mode-switching.c (pass_mode_switching): Add dump. + * recog.c (pass_split_all_insns, pass_split_for_shorten_branches, + pass_split_before_regstack): Add dump. + * regmove.c (pass_stack_adjustments): Add dump. + * tree-optimize.c (pass_fixup_cfg): Add dump. + +2005-08-10 Kazuhiro Inaoka + + PR 23309 + * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when + deciding which instruction sequence to use. + +2005-08-09 Dorit Nuzman + + * tree-vect-transform.c (vect_create_epilog_for_reduction): Set + BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs. + +2005-08-09 Richard Guenther + + * c-common.c (builtin_function_2): Remove. + (def_builtin_1): New function. + (c_common_nodes_and_builtins): Use def_builtin_1 to + build builtin functions. + +2005-08-09 Jie Zhang + + * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define. + * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define. + * config/bfin/bfin.c (bfin_return_in_memory): Update to really match + Visual DSP. + +2005-08-09 James A. Morrison + + * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use + fold_binary instead of fold_build2 since we don't care about the + resulting tree. + (loop_niter_by_eval): Likewise. + (compare_trees): Likewise. + (proved_non_wrapping_p): Likewise. + +2005-08-09 James A. Morrison + + PR c/23161 + PR c/23165 + * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see + if the if is really empty. + +2005-08-09 Steven Bosscher + + PR tree-optimization/23234 + * tree-ssa-math-opts.c (place_reciprocal): New enum. + (execute_cse_reciprocals_1): Replace the 'phi' argument with an + argument of the new enum. + (execute_cse_reciprocals): Add reciprocals for function arguments + on the unique successor edge of the entry block. Update other calls + to execute_cse_reciprocals_1. + +2005-08-08 Richard Henderson + + PR 22439 + * gimplify.c (gimplify_one_sizepos): Preserve the original type. + +2005-08-08 Bob Wilson + + * expr.c (write_complex_part): Return after handling MEM. + +2005-08-08 Josh Conner + + PR rtl-optimization/23241 + * combine.c (simplify_comparison): Fix error in determining + whether to lift a subreg from comparison. + +2005-08-08 David Edelsohn + + PR target/18506 + * config/rs6000/altivec.md (vec_init): New. + (vec_set): New. + (vec_extract): New. + * config/rs6000/rs6000.c (rs6000_expand_vector_init): New. + (rs6000_expand_vector_set): New. + (rs6000_expand_vector_extract): New. + (rs6000_legitimate_offset_address_p): Offset addresses are valid + for Altivec modes before reload. + (altivec_expand_vec_init_builtin): New. + (get_element_number): New. + (altivec_expand_vec_set_builtin): New. + (altivec_expand_vec_ext_builtin): New. + (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext + builtins. + (altivec_init_builtins): Init vec_init, vec_set, and vec_ext + builtins. + * config/rs6000/rs6000.h (rs6000_builtins): Add + ALTIVEC_BUILTIN_VEC_INIT_, ALTIVEC_BUILTIN_VEC_SET_, + ALTIVEC_BUILTIN_VEC_EXT_. + * config/rs6000/rs6000-protos.h: Declare new functions. + +2005-08-08 Jan Hubicka + + * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode. + (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode. + * i386.md (movdi*): Use pic_32bit_operand. + * predicates.md (pic_32bit_operand): New. + +2005-08-08 Nathan Sidwell + + PR c++/21166 + * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible. + +2005-08-07 James A. Morrison + + * tree-vrp.c (simplify_div_or_mod_using_range): Use build2. + (test_for_singularity): Use fold_build2. + +2005-08-07 John David Anglin + + * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound. + +2005-08-07 Danny Smith + + * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define. + (COMMON_ASM_OP) Define. + * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED + (ix86_encode_section_info): Likewise. + (TARGET_ENCODE_SECTION_INFO): Conditionally define as + SUBTARGET_ENCODE_SECTION_INFO. + +2005-08-06 Richard Henderson + + PR 21894 + * tree-nested.c (convert_local_reference): Save and restore val_only + around component_ref and friends. Clear walk_subtrees by default. + +2005-08-06 Peter O'Gorman + + PR 21366 + * gcc.c (process_command): Check the argument to -b has a dash. + * doc/invoke.texi: Update -b and -V docs. + +2005-08-06 James E Wilson + + * config/mips/cross64.h, config/mips/t-cross64: Delete. + +2005-08-06 Michael Matz + + * genattrtab.c (write_attr_get, write_attr_case): Use insn_code + member only if only one insn is associated with the value. + +2005-08-06 Nick Clifton + + * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100): + New define. + (ASM_OUTPUT_LABELREF): Delete - it is no longer needed. + * config/stormy16/stormy16.c (xstormy16_below100_symbol): + Check symbol flags instead of symbol name mangling. + (xstormy16_asm_output_aligned_common): Likewise. Also + simplify code since the bss100_section cass is the only case + where the below100 code will be triggered. + (xstormy16_encode_section_info): Encode below100 attribute + using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling + the name. + (xstormy16_strip_name_encoding): Delete - this function is no + longer needed. + (TARGET_STRIP_NAME_ENCODING): Undefine. + * config/stormy16/stormy16-protos.h: Delete prototype for + xstormy16_strip_name_encoding. + +2005-08-06 Kazu Hirata + + * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c, + config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c, + tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h, + config/linux.h, config/alpha/alpha.h, config/alpha/linux.h, + config/alpha/predicates.md, config/arc/arc.h, + config/arm/arm.h, config/arm/ieee754-df.S, + config/arm/ieee754-sf.S, config/bfin/bfin.c, + config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c, + config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h, + config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h, + config/m68hc11/m68hc11.h, config/mips/mips.c, + config/mips/mips.h, config/mips/openbsd.h, + config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h, + config/pdp11/pdp11.h, config/rs6000/linux-unwind.h, + config/rs6000/rs6000.c, config/rs6000/rs6000.h, + config/s390/s390.c, config/sh/sh.c, config/sh/sh.h, + config/sparc/linux.h, config/sparc/linux64.h, + config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h, + doc/extend.texi, doc/gcov.texi, doc/install.texi, + doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc + typos. Follow spelling conventions. + +2005-08-06 Joseph S. Myers + + PR c/23113 + * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start. + Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR + specially. Check for side effects only for COND_EXPR. + * c-typeck.c (c_finish_stmt_expr): Mark statement expression + return with TREE_NO_WARNING. + +2005-08-06 Richard Sandiford + + PR rtl-optimization/23233 + * loop.c (combine_movables): Require the modes to be the same. + (move_movables): Remove handling of cases where the replacement + had a different mode to the original. + +2005-08-05 James A. Morrison + + PR tree-optimization/23128 + * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or + subtraction wrap, and set TREE_OVERFLOW if they do. + +2005-08-05 Richard Henderson + + PR 21728 + * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into + FORCED_LABEL labels. + +2005-08-05 J"orn Rennecke + + PR middle-end/23135 + * reload.c (find_reloads_subreg_address): Pass down TYPE + unchanged. Change all callers except find_reloads_toplev. + +2005-08-05 Michael Matz + + * genattrtab.c (current_alternative_string): Remove. + (SIMPLIFY_ALTERNATIVE): Ditto. + (attr_alt_bit_p): Ditto. + (alternative_name): Make const char *. + (evaluate_eq_attr): Remove use of above things. + (simplify_test_exp): Ditto. + (simplify_test_exp ): Guard for insn_code < 0 . + (simplify_test_exp ): Correct typo (test 'right' not 'left'). + +2005-08-04 James E Wilson + + * config/ptx4.h, config/sol2.h, config/arm/freebsd.h, + config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h, + config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h, + config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h + (LINK_SPEC): Delete useless %{Wl,*:%*} item. + +2005-08-04 Richard Henderson + + PR 21529 + * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New. + * params.h (SRA_MAX_STRUCTURE_COUNT): New. + * tree-sra.c (decide_block_copy): Use it. Disable element copy + if we'd have to instantiate too many members. + +2005-08-04 Richard Henderson + + PR 21291 + * tree-outof-ssa.c (coalesce_asm_operands): New. + (coalesce_ssa_name): Use it. Split out ... + (coalesce_phi_operands, coalesce_result_decls): ... these. + +2005-08-04 Paul Brook + + * read-rtl.c (read_quoted_string): Break if EOF. + +2005-08-04 Andrew Pinski + + * tree.h (fold_build1): Change to macro and call fold_build1_stat. + (fold_build2): Likewise. + (fold_build3): Likewise. + (fold_build1_stat): New function prototype. + (fold_build2_stat): Likewise. + (fold_build3_stat): Likewise. + * fold-const.c (fold_build1): Rename to .. + (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats + through to build1_stat. + (fold_build2): Rename to .. + (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats + through to build2_stat. + (fold_build3): Rename to .. + (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats + through to build3_stat. + +2005-08-04 David Edelsohn + Ian Lance Taylor + + * function.c (assign_stack_local_1): Do not correct stack slot + address if allocation size is smaller than mode size. + +2005-08-04 Diego Novillo + + PR 22037 + * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename. + (tree_merge_blocks): Propagate anything allowed by + may_propagate_copy. + Clarify documentation. + * passes.c (execute_todo): If cleanup_tree_cfg invalidated the + SSA form, schedule an update if necessary. + +2005-08-04 Gerald Pfeifer + + * doc/install.texi (Binaries): Remove broken link to + Sinix/Reliant Unix binaries. + +2005-08-03 Richard Henderson + + PR 23221 + * function.c (stack_protect_epilogue): Export. + * tree.h (stack_protect_epilogue): Declare. + * calls.c (expand_call): Call it. + +2005-08-03 Eric Christopher + + * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all. + * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp + spec. + +2005-08-04 Jan Hubicka + + * profile.c (branch_prob): Split edges with goto locus on them + to get proper line counts. + * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any. + +2005-08-03 Paul Brook + + * function.c (assign_parms): Round current_function_args_size + to PARM_BOUNDARY, not STACK_BOUNDARY. + +2005-08-03 Geoffrey Keating + + * config/i386/i386.c (x86_elf_aligned_common) + (x86_output_aligned_bss): Don't try to use symbols that aren't defined. + +2005-08-03 Zdenek Dvorak + + PR tree-optimization/23157 + * tree-scalar-evolution.c (scev_const_prop): Unshare trees + before emitting them. + +2005-08-03 Volker Reichelt + + PR tree-optimization/19899 + * Makefile.in (tree-scalar-evolution.o): Add real.h. + * tree-scalar-evolution.c: Include real.h. + (add_to_evolution): Build constant -1 of correct type. + +2005-08-03 Jan Hubicka + + * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag. + * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case + profile updating for complette unrolling. + * loop-unroll.c (peel_loop_completely): Use it. + * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise. + (tree_unroll_loops_completely): Disable code growing unrolling of cold + loops. + +2005-08-03 Paul Brook + + * combine.c (can_change_dest_mode): New function. + (try_combine, simplify_set): Use it. + +2005-08-03 Eric Botcazou + + * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force + TFmode to BLKmode. + +2005-08-03 Gerald Pfeifer + + * doc/install.texi (Specific): Adjust link to openavr.org. + (Specific): Remove broken reference to GCC 2.8.1 for OS/2. + (Binaries): Adjust HP-UX Porting Center link. + (Binaries): Adjust Free Software Foundation ordering link. + +2005-08-03 Andrew Pinski + + * convert.c (convert_to_integer): Use fold_build1 instead of + build1 when converting an integer to an integer. + +2005-08-02 Richard Henderson + + * combine.c (combine_instructions): Don't use reg_equal/equiv + results if the mode doesn't match. + +2005-08-02 Mark Mitchell + + * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it. + * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it. + +2005-08-02 Richard Henderson + + PR 23196 + * explow.c (memory_address): Remove special-case for + virtual_stack_vars_rtx and virtual_incoming_args_rtx. + +2005-08-02 Diego Novillo + + PR 23164 + * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the + number of calls to cleanup_tree_cfg_1. + +2005-08-02 Martin Reinecke + + * doc/invoke.texi: document file extensions .F90 and .F95 + +2005-08-02 Richard Guenther + + * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is + positive if its first argument is positive. + +2005-08-02 Richard Guenther + + PR tree-optimization/23177 + * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands + on TMR_TAG. + +2005-08-02 James A. Morrison + + PR tree-optimization/23129 + * tree-vrp.c (extract_range_from_binary_expr): Set value range to + varying for divisions with anti-ranges. + +2005-08-02 Jan Hubicka + + * tree-ssa-dom.c (thread_across_edge): Remove updating here. + * tree-ssa-threadupdate.c (thread_block): Add it here. + +2005-08-01 James E Wilson + + * config/mips/mips.c (mips_encode_section_info, mips_attribute_table, + TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New. + * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P): + New. + * config/mips/predicates.md (const_call_insn_operand): Add check for + SYMBOL_REF_LONG_CALL_P. + * doc/extend.texi (long_call): Document the new attribute. + +2005-08-01 Ian Lance Taylor + Richard Henderson + + * Makefile.in (RTL_BASE_H): Add real.h. + * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy + instead of memcpy. + * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv + directly. + * rtl.c (rtl_check_failed_code_mode): New. + * rtl.h (struct rtx_def): Add u.rv. + (XCMWINT, XCNMPRV): New. + (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT. + (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify. + +2005-08-01 Richard Henderson + + * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG, + with auto-inc codes. + + * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE. + +2005-08-01 Jan Hubicka + + * i386-protos.h (asm_preferred_eh_data_format): Declare. + * i386.c: Include dwarf2.h + (asm_preferred_eh_data_format): New. + * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline. + +2005-08-01 Ian Lance Taylor + + * config/host-linux.c (linux_gt_pch_get_address): Add new name + randomize_va_space for virtual address randomization control. + +2005-08-01 Steven Bosscher + + * common.opt (flag_ipa_cp): Put in right place to maintain + alphabetic sort. + +2005-08-01 Jan Hubicka + + * profile.c (compute_value_histograms): Fix thinko. + * value-prof.c: Include toplev.h + (check_counter): New function. + (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform, + tree_mod_subtract_transform): Add sanity check. + +2005-08-01 Richard Guenther + + PR tree-optimization/23133 + * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk + current functions parameter decls to find defs to cse + reciprocals of. + +2005-08-01 Richard Guenther + + PR tree-optimization/23109 + * tree-ssa-math-opts.c (execute_cse_reciprocals_1): + If trapping math is in effect, use post-dominator information + to check if we'd in any case reach a trapping point before + doing the reciprocal insertion. + (execute_cse_reciprocals): Compute post-dominators, if necessary. + * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV + expressions are invariant only if trapping math is not in effect. + +2005-08-01 Razya Ladelsky + + * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning, + cgraph_function_versioning): New declarations. + * cgraphunit.c: Add include to ipa-prop.h. + (update_call_expr, cgraph_copy_node_for_versioning, + cgraph_function_versioning): New functions. + * integrate.c (copy_decl_for_inlining): Remove. + * ipa-prop.h (ipa_replace_map): New struct. + (struct ipa_node): Add ipcp_orig_node, count_scale, new fields. + * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned, + ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale, + ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate, + ipcp_iterate_stage, ipcp_method_scale_print, + ipcp_profile_mt_count_print, ipcp_profile_cs_count_print, + ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print, + ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph, + ipcp_update_bb_counts, ipcp_update_profiling, + ipcp_update_edges_counts): New functions. + (ipcp_method_cval_init): Remove restriction regarding local methods. + (ipcp_init_stage): Add ipcp_method_compute_scale. + (ipcp_insert_stage): Add versioning. + (ipcp_structures_print): Add ipcp_method_scale_print. + (ipcp_driver): Dump profiling info. + * Makefile.in: Remove integrate.h dependency from tree-inline.o. + Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o. + * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h. + (struct inline_data): Add versioning_p, ipa_info, new fields. + (remap_decl, mark_local_for_remap_r, setup_one_parameter, + declare_return_variable): Replace calls to copy_decl_for_inlining with + copy_decl_for_dup. + (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add + versioning support. + (copy_decl_for_dup): Rename from copy_decl_for_inlining. + Add argument VERSIONING. + (copy_arguments_for_versioning, copy_static_chain, + function_versionable_p, tree_versionable_function_p, + tree_function_versioning, replace_ref_tree): New functions. + * tree-inline.h: Include varray.h. + (tree_versionable_function_p, tree_function_versioning, + tree copy_decl_for_dup): New declarations. + +2005-08-01 Razya Ladelsky + + * ipa-cp.c: New file. Contains IPCP specific functionality. + * ipa-prop.h: New file. Contains structures/definitions that can be + used by several interprocedural data flow optimizations (and also IPCP). + * ipa-prop.c: New file. + * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c. + * common.opt: Add ipa-cp flag. + * timevar.def: Add IPCP optimization. + * tree-optimize.c (init_tree_optimization_passes): Schedule + pass_ipa_cp. + * tree-pass.h (pass_ipa_cp): Declare. + +2005-08-01 Kazu Hirata + + * dwarf2out.c, fold-const.c, ipa-type-escape.c, + loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c, + tree-sra.c, config/arm/arm.c, config/crx/crx.c, + config/i386/i386.c, config/mips/mips.h, + config/rs6000/rs6000.h, config/sh/sh.c, + config/stormy16/stormy16.c: Fix comment typos. + +2005-08-01 Joseph S. Myers + + PR c/22311 + * c-typeck.c (build_binary_op): Use common_type wrapper on + shortened types. + (common_type): Update comment. + +2005-07-31 Steven Bosscher + + PR target/23095 + * common.opt (flag_gcse_after_reload): Don't initialize to 2. + (flag_rerun_cse_after_loop): Initialize this to 2 instead. + * postreload-gcse.c (hash_scan_set): Do not consider stack regs. + +2005-07-31 Jan Hubicka + + * pretty-print.h (pp_widest_integer): New macro. + * tree-pretty-print.c (dump_bb_header): Print BB frequencies and + counts. + +2005-07-31 Jan Hubicka + + * output.h (enum section_category): Export from varasm.c + (categorize_decl_for_section): Likewise. + * varasm.c (enum section_category): Kill. + (categorize_decl_for_section): Make global. + * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common): + Declare. + * i386.c (ix86_section_threshold): New static variable. + (ix86_in_large_data_p, ix86_encode_section_info, + x86_64_elf_unique_section, + x86_64_elf_select_section): New functions. + (TARGET_ENCODE_SECTION_INFO): Define + (override_options): Enable medium model for PIC. + (ix86_expand_prologue): Expand gen_set_got_rex64. + (legitimate_constant_p): Handle new UNSPECs. + (legitimate_pic_address_disp_p): Likewise. + (legitimize_pic_address): Lower MEDIUM model addressing. + * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC. + (enum cmodel): Add MEDIUM_PIC. + (SYMBOL_REF_FAR_ADDR_P): New macro. + (SYMBOL_FLAG_FAR_ADDR): New flag. + * i386.md (movdi): Support medium model. + (set_got_rex64): New pattern. + * i386.opt (mlarge-data-threshold): New flag. + * predicates.md (zext_operand/sext_operand): Deal with medium model. + * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss. + (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION, + TARGET_ASM_UNIQUE_SECTION): New. + + * invoke.texi (-mlarge_data_threshold): Document + +2005-07-31 Jan Hubicka + + * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost. + (coalesce_vars): Likewise. + * tree-ssa-live.c (coalesce_cost): New. + (build_tree_conflict_graph): Use coalesce_cost. + * tree-ssa-live.h (coalesce_cost): Declare. + +2005-07-30 Richard Earnshaw + + * arm.md (all peepholes for post-increment operations): Delete. + (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec) + (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec) + (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec) + (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc) + (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete. + +2005-07-30 James A. Morrison + + * fold-const.c (tree_expr_nonnegative_p): Always return true for + non-integral types. + +2005-07-29 Wolfgang Bangerth + + PR target/22582 + * doc/invoke.texi: Document -rdynamic. + +2005-07-30 Joseph S. Myers + + PR c/23143 + * c-parser.c (c_parser_parms_list_declarator): Call + mark_forward_parm_decls. + * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for + decls with visibility structure. + +2005-07-30 Paul Brook + + * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment. + +2005-07-30 Paul Brook + + * config/arm/arm-protos.h (arm_canonicalize_comparison): Update + prototype. + * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit + value for mode. + * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument. + +2005-07-29 Joseph S. Myers + + PR c/529 + * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in + nested function declarators. + (pushdecl): Don't call warn_if_shadowing for PARM_DECL. + (grokparms): Call warn_if_shadowing for parameters used within the + parameter list. + (store_parm_decls_newstyle): Call warn_if_shadowing for parameters + not used within the parameter list. + (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters. + +2005-07-30 Jan Hubicka + + * expr.c (expand_expr_real_1): Do not load mem targets into register. + * i386.c (ix86_fixup_binary_operands): Likewise. + (ix86_expand_unary_operator): Likewise. + (ix86_expand_fp_absneg_operator): Likewise. + * optabs.c (expand_vec_cond_expr): Validate dest. + +2005-07-29 Joseph S. Myers + + PR c/21720 + * real.c (real_from_string): Also set last bit if there is a + nonzero hex digit beyond GCC's internal precision after ".". + +2005-07-29 David Edelsohn + + * config/rs6000/altivec.md: Convert UNSPEC numerical values to + define_constants. Change duplicate values to unassigned numbers. + Change UNSPEC_SUBS to UNSPEC_VSUBS. + (*altivec_vspltsf): New. + (altivec_vperm_v4sf): Delete. + (altivec_vperm_): Use mode macro V. + (altivec_vsldoi_): Convert to mode macro pattern. + (altivec_predicate_v4sf): Delete. + (altivec_predicate_): Use mode macro V. + (*altivec_lvesfx): New. + (*altivec_stvesfx): New. + (vec_realign_load_v4sf): Delete. + (vec_realign_load_): Use mode macro V. + * config/rs6000/rs6000.c (generate_set_vrsave): Use + UNSPECV_SET_VRSAVE. + +2005-07-29 Mark Mitchell + + PR bootstrap/23131 + * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty + string. + * configure: Regenerated. + +2005-07-29 Paul Brook + + * doc/install.texi: Add link to GFortran binaries wiki page. + +2005-07-29 David Ung + + * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table. + (mips_rtx_cost_data): Add costs for 5kc and 5kf. + * config/mips/mips.h (processor_type): Add PROCESSOR_5KF. + * config/mips/mips.md (cpu): Add 5kf name. + (includes): Includes 5k.md. + * config/mips/5k.md: New DFA pipeline for the 5kc/5kf. + * doc/invoke.texi (MIPS Options): Updated cpu name supported with + -march flag. + +2005-07-29 Diego Novillo + + PR 22550 + * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ... + (cleanup_tree_cfg): ... here. + Call cleanup_tree_cfg_1 until there are no more cleanups to + do. + +2005-07-29 James A. Morrison + + * tree-vrp.c (compare_range_with_value): Return true or false + for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and + EQ_EXPR respectively. + +2005-07-29 Kazu Hirata + + * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c: + Fix comment typos. + +2005-07-29 Diego Novillo + + * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations. + (tree_ssa_dominator_optimize): Increment it. + (dump_dominator_optimization_stats): Print it. + +2005-07-29 Richard Earnshaw + Steven Bosscher + + PR rtl-optimization/23117 + * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly + when head == tail. Tidy comment. + +2005-07-28 Richard Henderson + + * cse.c (exp_equiv_p): Special case CONST_DOUBLE. + * cselib.c (rtx_equal_for_cselib_p): Likewise. + * jump.c (rtx_renumbered_equal_p): Likewise. + * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0, + CONST_INT and CONST_DOUBLE. + (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF. + * reload.c (operands_match_p): Special case CONST_INT and + CONST_DOUBLE; check mode earlier. + +2005-07-29 Joseph S. Myers + + PR c/22240 + * c-typeck.c (convert_for_assignment): Do not check + DECL_IN_SYSTEM_HEADER on NULL fundecl. + +2005-07-29 Joseph S. Myers + + PR c/22192 + * c-typeck.c (composite_type): Prefer constant size arrays to + VLAs. + +2005-07-29 Joseph S. Myers + + PR c/21720 + * real.c (real_from_string): Set last bit if there is a nonzero + hex digit beyond GCC's internal precision. + +2005-07-28 Richard Henderson + + PR rtl-opt/22619 + * cfgcleanup.c (try_forward_edges): Watch out for end of + insn chain. + +2005-07-28 James E Wilson + + PR c/23106 + * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording. + +2005-07-28 Jan Hubicka + + * Makefile.in (rtl-profile.o): Kill all traces of it. + * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill. + * coverage.h (rtl_coverage_counter_ref): Kill. + * opts.c (flag_speculative_prefetching_set): Kill. + (flag_loop_optimize_set): New. + (common_handle_option): Disable loop optimizer when profiling; + do not handle speculative prefetching. + * passes.c (init_optimization_passes): Replace pass_profiling combo + by branch_prob pass. + * profile.c (compute_value_histograms): Update for simplified value + profiles. + (rtl_register_profile_hooks): Kill. + (pass_profiling): Kill. + (rest_of_handle_branch_prob): Do not profile. + * toplev.c (process_options): Remove speculative prefetching. + * toplev.h (flag_tree_based_profiling): Kill. + * tree-profile.c (prepare_instrumented_value, + tree_gen_interval_profiler, tree_gen_pow2_profiler, + tree_gen_one_value_profiler, do_tree_profiling): Update for + simplified datastructures. + * value-prof.c: Add comment that speculative prefetching was dropped; + update rest of file for simplified datastructures. + (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX, + rtl_divmod_values_to_profile, insn_prefetch_values_to_profile, + find_mem_reference_1, find_mem_reference_2, find_mem_reference, + rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2, + rtl_mod_subtract, gen_speculative_prefetch, + rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform, + rtl_mod_subtract_transform, speculative_prefetching_transform): Kill. + (gate_handle_value_profile_transformations, + rest_of_handle_value_profile_transformations, + pass_value_profile_transformations): Kill. + * value-prof.h (histogram_value_t): Remove IL based unions. + (rtl_register_value_prof_hooks, rtl_register_profile_hooks, + rtl_profile_hooks): Remove hooks. + + * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill. + + * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument. + (cgraph_clone_node): Likewise. + * cgraph.h (cgraph_clone_edge): Update prototype. + (cgraph_clone_node): Likewise. + * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of + cgraph_clone_node. + (lookup_recursive_calls): Consider profile. + (cgraph_decide_recursive_inlining): Fix updating; use new + probability argument; use profile. + * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New. + * tree-inline.c (copy_bb): Update clal of clone_edge. + * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node. + + * invoke.texi (min-inline-recursive-probability): Document. + +2005-07-28 Gerald Pfeifer + + * doc/install.texi (Configuration): Update Valgrind homepage. + +2005-07-28 Richard Henderson + + PR middle-end/21362 + * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on + labels we want to delete. + (cfg_layout_merge_blocks): Likewise. + +2005-07-28 Richard Henderson + + PR target/17692 + * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note + when expanding to nothing. + +2005-07-28 Josh Conner + + * ipa-inline.c (update_caller_keys): Fix estimated_growth caching. + (cgraph_decide_inlining_of_small_functions): Likewise. + +2005-07-28 Josh Conner + + * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift + direction of badness if negative. + (cgraph_default_inline_p): Add reason to parameters, and assign it + a value. + (cgraph_decide_inlining_of_small_functions): New parameter in call + to cgraph_default_inline_p. + (cgraph_decide_inlining_incrementally): Likewise. + * cgraphunit.c (decide_is_function_needed): Likewise. + * cgraph.h (cgraph_default_inline_p): Likewise. + +2005-07-28 Volker Reichelt + + * builtins.c: Fix comment typo(s). + * genautomata.c: Likewise. + * gimplify.c: Likewise. + * tree-dfa.c: Likewise. + * tree-flow-inline.h: Likewise. + * tree-into-ssa.c: Likewise. + * tree-ssa-alias.c: Likewise. + * tree-ssa-ccp.c: Likewise. + * tree-ssa-copy.c: Likewise. + * tree-ssa-dce.c: Likewise. + * tree-ssa-dom.c: Likewise. + * tree-ssa-operands.c: Likewise. + * tree-tailcall.c: Likewise. + * tree-vectorizer.c: Likewise. + * tree-vrp.c: Likewise. + * tree.c: Likewise. + +2005-07-28 Jeff Law + + * tree-vrp.c (test_for_singularity): Extracted from ... + (simplify_cond_using_ranges): Attempt to simplify a relational + test to NE_EXPR. Dump information when a COND_EXPR is simplified. + +2005-07-28 Dorit Nuzman + + PR tree-optimization/22506 + * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed + phis whose argument is constant. + +2005-07-28 J"orn Rennecke + + PR rtl-optimization/18992 + Back out this patch: + 2003-10-08 John David Anglin + PR optimization/12142 + * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the + uses of the register in the SET_SRC. Remove unnecessary argument. + + Replace it with this: + * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases, + if flag_non_call_exceptions is set and the insn may trap, pass + pc_rtx as dest for recursion. + In SET_SRC part of SET case, if dest is already set, pass it down + unchanged. + +2005-07-28 Jan Hubicka + + * cfg.c (update_bb_profile_for_threading): Use RDIV. + (scale_bbs_frequencies_int): Likewise, assert for possible overflow. + (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and + roundoff errors. + * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating + profile when available. + +2005-07-28 Jan Beulich + + * config/ia64/ia64.c (ia64_load_pair_ok): New. + (ia64_print_operand): Describe and handle 'X'. + (ia64_register_move_cost): Also handle FP_REGS. + (ia64_preferred_reload_class): Likewise. + (ia64_secondary_reload_class): Likewise. + (ia64_dependencies_evaluation_hook): New local variable c. Initialize + it. Also check for ITANIUM_CLASS_FLDP. + * config/ia64/ia64.h (FP_REGNO_P): New. + (HARD_REGNO_MODE_OK): Remove explusion of TImode. + (reg_class): Add FP_REGS. + (REG_CLASS_NAMES): Adjust for it. + (REG_CLASS_CONTENTS): Likewise. + (REGNO_REG_CLASS): Use FP_REGS where appropriate. + (REG_CLASS_FROM_LETTER): Handle 'x'. + (CLASS_MAX_NREGS): Handle FP_REGS. + (MEMORY_MOVE_COST): Likewise. + * config/ia64/ia64.md (itanium_class): Add fldp. + (type): Handle fldp. + (movti_internal): More allowable operand combinations. Use ldfp8 when + splitting unnecessary. Remove predicable attribute. Adjust + itanium_class attribute. + (smuldi3_highpart): Remove outdated comment. + (mulditi3, umulditi3, rotlti3): New expanders. + (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns. + (absti2): Disabled new insn for future reference. + Respective new splitters. + * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations. + * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise. + * config/ia64/ia64-protos.h (ia64_load_pair_ok): New. + +2005-07-25 James A. Morrison + + PR rtl-optimization/23047 + * simplify-rtx.c (simplify_const_relational_operation): Respect + flag_wrapv for comparisons with ABS. + +2005-07-27 James A. Morrison + + PR tree-optimization/22493 + * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and + VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs. + +2005-07-27 Aldy Hernandez + + * config/frv/frv.opt (moptimize-membar): New. + + * doc/invoke.texi: Document -moptimize-membar and its inverse. + + * config/frv/frv.h: Remove machine_function definition. + + * config/frv/frv.c (struct frv_io): New. + (struct machine_function): Moved from frv.h. Add has_membar_p. + (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union) + (frv_extract_membar, frv_io_check_address, frv_io_handle_set) + (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local) + (frv_optimize_membar_global, frv_optimize_membar): New functions. + (frv_reorg): Call frv_optimize_membar when appropriate. + (bdesc_loads, bdesc_stores): Use the membar code as the icode field. + (frv_expand_builtin): Adjust calls accordingly. + (frv_io_address_cookie): New function. + (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal + load or store rather than a special insn. Add ccnstant address and + io-type operands to the membar. + (frv_ifcvt_modify_tests): Unsign regno. + (frv_ifcvt_modify_tests): Same. + + * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change + UNSPEC_OPTIONAL_MEMBAR constant. + (builtin_read_): Delete. + (builtin_write_): Delete. + ("optional_membar_"): Add operand. + + * testsuite/gcc.target/frv/all-builtin-read8.c: Delete. + * testsuite/gcc.target/frv/all-builtin-read16.c: Delete. + * testsuite/gcc.target/frv/all-builtin-read32.c: Delete. + * testsuite/gcc.target/frv/all-builtin-read64.c: Delete. + * testsuite/gcc.target/frv/all-builtin-write8.c: Delete. + * testsuite/gcc.target/frv/all-builtin-write16.c: Delete. + * testsuite/gcc.target/frv/all-builtin-write32.c: Delete. + * testsuite/gcc.target/frv/all-builtin-write64.c: Delete. + * testsuite/gcc.target/frv/all-read-write-1.c: New. + +2005-07-28 Kaz Kojima + + * df.c (df_uses_record): Handle SCRATCH. + +2005-07-28 Steven Bosscher + + PR debug/20161 + * passes.c (rest_of_decl_compilation): If decl is a type and + we have encountered errors, don't emit debug information. + +2005-07-27 Kenneth Zadeck + + * params.def: Fixed comment. + +2005-07-27 Bjoern Haase + + PR target/19885 + * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add. + (TARGET_ASM_UNALIGNED_HI_OP): Add. + (TARGET_ASM_UNALIGNED_SI_OP): Add. + +2005-07-27 Steven Bosscher + + PR c++/22003 + * varasm.c (assemble_start_function): Don't do anything that may + require a CFG if the current function is a thunk. + +2005-07-25 Geoffrey Keating + + * doc/install.texi (Prerequisites): Mention that perl is needed + to do export control in libstdc++ targetting Darwin. + +2005-07-27 Steven Bosscher + + PR rtl-optimization/17808 + * sched-deps.c (sched_get_condition): Enable #if 0'ed code. + (sched_insns_conditions_mutex_p): Split out from... + (add_dependence): ...here. But don't call it from here. + (add_dependence_list): Check sched_insns_conditions_mutex_p + before calling add_dependence. + (add_dependence_list_and_free): Likewise. + (fixup_sched_groups): Likewise. + (sched_analyze_1): Likewise. + (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE). + (sched_analyze): Likewise. + (sched_analyze_insn): Likewise. + * sched-ebb.c (add_deps_for_risky_insns): Likewise. + * sched-rgn.c (add_branch_dependences): Likewise. Also, add + dependencies on all COND_EXEC insns to jumps ending basic blocks + when doing intrablock scheduling. + * sched-int.h (sched_insns_conditions_mutex_p): Add prototype. + +2005-07-27 Jeff Law + + * tree-vrp.c (vrp_meet): Intersect the equivalency sets when + meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting + equivalency sets, correctly handle the case were vr0 has an + equivalency set, but vr1 does not. + +2005-07-27 Dorit Nuzman + + PR tree-optimization/23073 + * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call + vect_print_dump_info before fprintf. + +2005-07-27 Zdenek Dvorak + + PR tree-optimize/22348 + * tree-ssa-loop-niter.c (number_of_iterations_cond): + Fold the partial computation. + +2005-07-27 Zdenek Dvorak + + PR tree-optimization/22325 + * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost): + Declare. + * tree-scalar-evolution.c (scev_const_prop): Add generic final + value replacement. + * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ... + (force_var_cost): ... this function. + (compute_phi_arg_on_exit): Export. + +2005-07-27 Zdenek Dvorak + + PR tree-optimization/20773 + * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch + edge. + +2005-07-27 Richard Guenther + + * tree-ssa-structalias.c (push_fields_onto_fieldstack): + Avoid pushing again if current struct contains only + fields we decomposed. + +2005-07-27 Jan Hubicka + + PR tree-optimization/22574 + * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are + not available. + + * tree-tailcall.c (decrease_profile): New function. + (eliminate_tail_call): Use it. + + * cgraphunit.c (cgraph_function_and_variable_visibility): Set + visibility flags correctly in whole program mode. + +2005-07-26 Steve Ellcey + + PR rtl-optimization/22472 + * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define. + +2005-07-26 Steven Bosscher + + PR tree-optimization/22504 + * tree-complex.c (expand_complex_addition): Use 'code' instead + of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING). + +2005-07-26 Aldy Hernandez + + * config.gcc (cpu_type): Add frv case. + (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases. + (supported_defaults): Add fr550 case. + +2005-07-26 Diego Novillo + + PR 22591 + * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests + whether a pointer of type T * may point to objects of type T *. + +2005-07-26 DJ Delorie + + * configure: Regenerate. + +2005-07-26 Dale Johannesen + + * postreload-gcse.c (alloc_mem): Start CUID numbering at 1. + +2005-07-26 Mark Mitchell + + * doc/install.texi (--with-build-sysroot): Fix grammatical error. + Clarify use of "build" in name. + +2005-07-26 Aldy Hernandez + + * doc/extend.texi (Raw read/write Functions): New section. + * testsuite/gcc.target/frv/all-builtin-read8.c: New. + * testsuite/gcc.target/frv/all-builtin-read16.c: New. + * testsuite/gcc.target/frv/all-builtin-read32.c: New. + * testsuite/gcc.target/frv/all-builtin-read64.c: New. + * testsuite/gcc.target/frv/all-builtin-write8.c: New. + * testsuite/gcc.target/frv/all-builtin-write16.c: New. + * testsuite/gcc.target/frv/all-builtin-write32.c: New. + * testsuite/gcc.target/frv/all-builtin-write64.c: New. + * config/frv/frv.c: Add bdesc_loads global. + Add bdesc_stores global. + (frv_init_builtins): Add support for __builtin_{read/write}*. + (frv_volatile_memref): New. + (frv_expand_load_builtin): New. + (frv_expand_store_builtin): New. + * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN, + FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32, + FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16, + FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64. + * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD, + UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR. + (builtin_read_): New. + (builtin_write_): New. + (builtin_write64): New. + (optional_membar_): New. + +2005-07-26 J"orn Rennecke + + * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits + (rather than units) against HOST_BITS_PER_WIDE_INT. + +2005-07-26 Kazu Hirata + + * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, + ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c, + ipa-utils.h, treestruct.def, config/crx/crx-protos.h, + config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update + FSF address. + + * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c, + tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h, + config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix + comment typos. + * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos. + +2005-07-26 Richard Guenther + + PR tree-optimization/22486 + * fold-const.c (fold_unary): Fold away useless component + references of the form (T *)&T.x, if the address + doesn't change. + +2005-07-25 James E Wilson + + * dwarf2out.c (add_call_src_coords_attributes): New. + (gen_inlined_subroutine_die): Call it. + (maybe_emit_file, init_file_table): Add comments. + (prune_unused_types_walk_attribs): Pass DW_AT_call_file through + maybe_emit_file. + * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION. + (expand_call_inline): Set BLOCK_SOURCE_LOCATION. + * tree.h (BLOCK_SOURCE_LOCATION): New. + (struct tree_block): New field locus. + +2005-07-26 Andreas Schwab + + PR rtl-optimization/23043 + * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo + when allocating a struct unoccr. + +2005-07-25 Richard Henderson + + PR 22626 + * tree-complex.c (gate_no_optimization): True if errors. + * Makefile.in (tree-complex.o): Update dependencies. + +2005-07-25 Aldy Hernandez + + * config/frv/predicates.md (integer_register_operand): Use + GPR_AP_OR_PSEUDO_P. + +2005-07-25 Andrew Pinski + + PR tree-opt/22484 + * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions + after fold. + * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands. + +2005-07-25 Andrew Pinski + + * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point + types when flag_unsafe_math_optimizations is true. + +2005-07-25 Mark Mitchell + + * gcc.c (option_map): Add --sysroot. + (process_command): Handle --sysroot. + (display_help): Document it. + * doc/cppopts.tex (-isysroot): Document. + * doc/invoke.texi (--sysroot): Document. + * doc/install.texi (--with-build-sysroot): Document. + + * Makefile.in (inhibit_libc): New variable. + (INHIBIT_LIBC_CFLAGS): Likewise. + (LIBGCC2_CFLAGS): Include + $(INHIBIT_LIBC_CFLAGS). + (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS). + ($(T)crtbegin.o): Do not use @inhibit_libc@. + ($(T)crtend.o): Likewise. + ($(T)crtbeginS.o): Do not use @inhibit_libc@. + ($(T)crtendS.o): Likewise. + ($(T)crtbeginT.o): Do not use @inhibit_libc@. + ($(T)crtendT.o): Likewise. + (stmp-fixinc): Do not complain about missing headers if + inhibit_libc. + * configure.ac (inhibit_libc): Set it to true/false. + (--with-build-sysroot): New option. Use it to set + SYSTEM_HEADER_DIR. + * configure: Regenerated. + +2005-07-25 Manfred Hollstein + + * calls.c (store_one_arg): Fix unsigned comparison warning. + +2005-07-25 Serge Belyshev + + PR other/22337 + * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD. + (ggc_print_statistics): Initialize variable before use. + +2005-07-25 Richard Guenther + + * tree-dfa.c (mark_new_vars_to_rename): Protect against + calling with a PHI_NODE argument. + + * tree-flow-inline.h (overlap_subvar): Protect against + possible overflow. + +2005-07-25 Paolo Bonzini + + * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory. + * configure: Regenerate. + +2005-07-25 Ira Rosen + + * expr.c (highest_pow2_factor): Make extern. + * tree-data-ref.c (ptr_decl_may_alias_p): New function. + (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p, + record_array_differ_p, array_ptr_differ_p): Likewise. + (base_object_differ_p): Rename (from array_base_name_differ_p). Support + additional cases. Call the above functions. + (base_addr_differ_p): Moved from tree-vect-analyze.c. Call + base_object_differ_p when there are two base objects. Otherwise, compare + base address and offset. Call may_alias_p. + (dump_data_reference): Use a correct field name. + (analyze_array): Make static. Initialize new data-ref fields. + (analyze_indirect_ref): New function. + (init_data_ref): Initialize new data-ref fields. + (strip_conversion): Moved from tree-vect-analyze.c. + (analyze_offset_expr, get_ptr_offset, address_analysis, + object_analysis): Likewise. + (analyze_offset): New function. + (create_data_ref): Likewise. + (initialize_data_dependence_relation): Call base_addr_differ_p. Compare + dimensions for ARRAY_REFs only. + (build_classic_dist_vector): Make static. + (access_functions_are_affine_or_constant_p): Call macro to get the + address of access functions. + (compute_all_dependences): Add new parameter + compute_self_and_read_read_dependences. Compute self and read-read + dependences if it is true. + (find_data_references_in_loop): Call create_data_ref. Initialize new + data-ref fields. + (compute_data_dependences_for_loop): Add new parameter + compute_self_and_read_read_dependences. Remove parameter nb_loops, + compute nb_loops. Call compute_all_dependences, + build_classic_dist_vector and build_classic_dir_vector with correct + parameters. + (analyze_all_data_dependences): Call compute_data_dependences_for_loop + with correct parameters. Compare dimensions for ARRAY_REFs only. + (free_data_refs): Call macro to free access functions. + * tree-data-ref.h (struct first_location_in_loop): New structure. Move + fields from stmt_vinfo. + (struct base_object_info): New structure. + (struct data_reference): Move fields to base_object_info. Add fields + first_location and object_info for above structures. Move fields from + stmt_info: memtag, ptr_info, subvars, misalignment. Add new field + aligned_to. Add macros to access the new fields. + Update functions declarations. + * tree-flow.h (is_aliased_with): Declare. + * tree-loop-linear.c (linear_transform_loops): Call + compute_data_dependences_for_loop with correct parameters. + * tree-ssa-alias.c (is_aliased_with): New function. + * tree-vect-analyze.c (vect_get_ptr_offset): Remove. + (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise. + (vect_analyze_data_ref_dependence): Get ddr. Remove call to + vect_base_addr_differ_p, compute_subscript_distance and + build_classic_dist_vector. Add printings. Check absolute value of + distance. + (vect_analyze_data_ref_dependences): Go through ddrs instead of + data-refs. + (vect_compute_data_ref_alignment): Get the fields of data-ref instead of + stmt. Check aligned_to. Check if the base is aligned. Remove conversion + to bytes. Add printing. + (vect_compute_data_refs_alignment): Go through loads and stores in one + loop. + (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment, + vect_analyze_data_ref_access): Likewise. + (vect_analyze_pointer_ref_access): Remove. + (vect_address_analysis, vect_object_analysis): Likewise. + (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find + and analyze data-refs in the loop. + * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the + fields of data-ref instead of stmt. Add init to the offset from the + base. + (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt. + (vect_update_init_of_dr): Likewise. + (vect_update_inits_of_drs): Go through loads and stores in one loop. + * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of + removed fields. + (new_loop_vec_info): Initialize new fields. + (destroy_loop_vec_info): Free new fields. + (vect_strip_conversion): Remove. + * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level. + (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into + datarefs. Add new field ddrs. + Add macros for the new fields access. + (struct _stmt_vec_info): Remove: base_address, initial_offset, step, + base_aligned_p, misalignment, memtag, ptr_info and subvars. + Remove their macros. + * tree.h (highest_pow2_factor): Declare. + +2005-07-25 Jakub Jelinek + + * calls.c (store_one_arg): Check for sibling call MEM arguments + from already clobbered incoming argument area. + +2005-07-24 Kaveh R. Ghazi + + * c-common.c (check_missing_format_attribute): New. + * c-common.h (check_missing_format_attribute): Likewise. + * c-typeck.c (convert_for_assignment): Use it. + +2005-07-24 Andreas Schwab + + * config/m68k/m68k.md ("extendqidi2"): When source is an address + register use a word move. Correct operand of ext.w in 68000 code. + +2005-07-23 Mark Mitchell + + * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT + variables as declarations, rather than definitions. + +2005-07-24 Ira Rosen + + PR tree-optimization/22526 + * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type + of the zero node. + +2005-07-24 Francois-Xavier Coudert + + * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins + that C99 reserve for future use. Use it to define clog10, + clog10f and clog10l. + +2005-07-23 Kaveh R. Ghazi + + * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute. + * configure.ac: Check for -Wmissing-format-attribute. + + * configure: Regenerate. + +2005-07-23 Richard Henderson + + PR tree-optimization/22623 + * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol. + +2005-07-23 Giovanni Bajo + + PR target/22577 + * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR. + +2005-07-23 Kaveh R. Ghazi + + * Makefile.in (C_TREE_H): Update dependencies. + * c-tree.h: Include toplev.h. + * diagnostic.h (diagnostic_set_info): Add format attribute. + * rtl-error.c (diagnostic_for_asm): Likewise. + +2005-07-23 Chao-ying Fu + + * config/mips/mips-dsp.md: New file. + * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes. + * config/mips/mips.c (mips_function_type): Add types for DSP builtin + functions. + (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and + MIPS_BUILTIN_BPOSGE32. + (mips_expand_builtin_direct): Add one parameter to indicate that + builtin functions need to return a value. + (mips_expand_builtin_bposge): New for expanding "bposge" builtin + functions. + (mips_regno_to_class): Add classes for 12 new DSP registers. + (mips_subword): Change to check four HI registers. + (mips_output_move): Output move to and from 6 new DSP accumulators. + (override_options): Make sure -mdsp and -mips16 are not used together. + Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators + for machine modes. + (mips_conditional_register_usage): Disable 6 new DSP accumulators + when !TARGET_DSP. + (print_operand): Add 'q' for printing DSP accumulators. + (mips_cannot_change_mode_class): Check ACC_REGS. + (mips_secondary_reload_class): Check ACC_REGS. + (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP. + (mips_register_move_cost): Check ACC_REGS. + (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph) + (CODE_FOR_mips_subu_qb): New code-aliasing macros. + (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros. + (dsp_bdesc): New array. + (bdesc_arrays): Add DSP builtin function table. + (mips_prepare_builtin_arg): Check predicate again after + copy_to_mode_reg. + (mips_expand_builtin): Add one more parameter to + mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and + MIPS_BUILTIN_BPOSGE32. + (mips_init_builtins): Initialize new function types. + (mips_expand_builtin_direct): Check if builtin functions need to + return a value and pass operands properly. + (mips_expand_builtin_bposge): New function. + * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp. + (ASM_SPEC): Map -mdsp to -mdsp in GAS. + (FIRST_PSEUDO_REGISTER): Increase to 188. + (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS): + Update for 12 new DSP registers. + (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM) + (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM): + (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros. + (reg_class): Add DSP_ACC_REGS and ACC_REGS. + (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS. + (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS. + (REG_ALLOC_ORDER): Update for 12 new DSP registers. + (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS. + (UIMM6_OPERAND, IMM10_OPERAND): New macros. + (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints. + (REGISTER_NAMES): Add names for 12 new DSP registers. + * config/mips/mips.md: Include mips-dsp.md. + (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC) + (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S) + (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W) + (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR) + (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA) + (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR) + (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL) + (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R) + (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH) + (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL) + (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR) + (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH) + (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL) + (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR) + (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH) + (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB) + (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH) + (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H) + (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP) + (UNSPEC_RDDSP): New constants. + (*movdi_32bit): Change 'x' to 'a' for ACC_REGS. + (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an + A<-d alternative. + * config/mips/mips.opt (-mdsp): New option. + * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand) + (reg_imm10_operand): New predicates. + * doc/extend.texi (MIPS DSP Built-in Functions): New section. + * doc/invoke.texi (-mdsp): Document new option. + +2005-07-22 DJ Delorie + + * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control + to warning calls. + * tree-inline.c (inlinable_function_p): Likewise. + +2005-07-22 Mark Mitchell + + PR debug/21828 + * toplev.c (check_global_declarations): Do not mark undefined + variables as DECL_IGNORED_P. + * varasm.c (first_global_object_name): GTY it. + (weak_global_object_name): Likewise. + (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating + a string to go into {weak,first}_global_object_name. + +2005-07-22 DJ Delorie + + * c-format.c (check_function_format): Change warning control + option from OPT_Wattribute to OPT_Wmissing_format_attribute. + +2005-07-22 Diego Novillo + + * tree-ssa-alias.c (count_ptr_derefs): Do not consider + &PTR->FLD a dereference of PTR. + * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD + a potential dereference of PTR. + +2005-07-22 J"orn Rennecke + + PR rtl-optimization/20370 + * ifcvt.c (dead_or_predicable): Before calling propagate_block, + call allocate_reg_info if necessary. + + PR rtl-optimization/21848 + * calls.c (emit_library_call_value_1): For const functions, add + USEs of the stack slots to CALL_INSN_FUNCTION_USAGE. + + PR rtl-optimization/22445 + * cselib.c (target.h): Include. + (rtx_equal_for_cselib_p): Allow commutative matches. + (cselib_hash_rtx): Don't use MODE for CONST_INT hashing. + Remove MODE parameter. Changed all callers. + + PR rtl-optimization/22258 + * combine.c (likely_spilled_retval_1, likely_spilled_retval_p): + New functions. + (try_combine): Use likely_spilled_retval_p. + +2005-07-22 Paul Woegerer + + * config.gcc: Add crx-elf support. + + * doc/contrib.texi: Mention crx. + * doc/extend.texi: Document crx extensions. + * doc/install.texi: Document crx install. + * doc/invoke.texi: Document crx options. + * doc/md.texi: Document crx constraints. + + * config/crx/crx-protos.h: New file. + * config/crx/crx.c: New file. + * config/crx/crx.h: New file. + * config/crx/crx.md: New file. + * config/crx/crx.opt: New file. + * config/crx/t-crx: New file. + +2005-07-22 Manfred Hollstein + + * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised + warnings. + (int_add_graph_edge): Likewise. + (collapse_nodes): Likewise. + (process_unification_queue): Likewise. + +2005-07-22 Richard Kenner + Laurent GUERBY + + PR tree-optimization/22336 + * function.c (record_block_change): Check for + cfun->ib_boundaries_block. + +2005-07-21 James A. Morrison + + * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs. + (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED. + +2005-07-21 DJ Delorie + + * toplev.c (warn_deprecated_use): Add warning control to warning + call. + * c-typeck.c (parser_build_binary_op): Likewise. + (c_finish_if_stmt): Likewise. + * c-common.c (check_function_sentinel): Likewise. + (check_nonnull_arg): Likewise. + +2005-07-21 Richard Henderson + + PR tree-opt/22504 + * tree-complex.c (complex_ssa_name_components): New. + (cvc_lookup): Allow entry not found. + (create_components): Remove. + (create_one_component_var, get_component_var): New. + (get_component_ssa_name, set_component_ssa_name): New. + (extract_component): Use get_component_ssa_name. + (update_complex_components): Use set_component_ssa_name. + (update_complex_components_on_edge): Likewise. + (update_phi_components): Create new PHI nodes directly, instead + of adding insns to edges. + (tree_lower_complex): Allocate and free complex_variable_components + and complex_ssa_name_components here. + +2005-07-20 Daniel Berlin + + * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT, + revert to returning false. + +2005-07-21 Uros Bizjak + + PR target/21149 + * config/i386/i386.md (sse_movhlps): Fix vec_select values. + +2005-07-21 Uros Bizjak + + PR target/22576 + * config/i386/i386.md (cmpxf): Change operand constraints + to "nonmemory_operand". + +2005-07-21 Andrew Pinski + + * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2. + +2005-07-21 Andrew Pinski + + PR middle-end/21180 + * fold-const.c (fold_build1): Add checksum for the operands. + (fold_build2): Likewise. + (fold_build3): Likewise. + +2005-07-21 Andrew Pinski + + PR middle-end/19055 + * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X". + +2005-07-21 Paolo Bonzini + + * common.opt (-fforward-propagate): Committed by mistake, + removed. + +2005-07-21 Volker Reichelt + + * reg-stack.c: Fix comment typo(s). + * tree-ssa-operands.c: Likewise. + * tree-vectorizer: Likewise. + +2005-07-21 Nick Clifton + + * config/sh/symbian.c: Replace C++ style line comments with C + style line comments. + (symbian_add_attribute): Do not use a ? operator on the LHS of + an assignment. + (sh_symbian_handle_dll_attribute): Change the type of the + method vector to "VEC(tree,gc)*" and use vector accessor + macros to walk over the elements. + (symbian_export_vtable_and_rtti_p): Likewise. + (symbian_class_needs_attribute_p): Likewise. + +2005-07-21 Paolo Bonzini + + PR target/22085 + * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not + initialize targetm.resolve_overloaded_builtin here. + (altivec_expand_overloaded_builtin): Make it non-static. + * config/rs6000/rs6000-protos.h + (altivec_expand_overloaded_builtin): New prototype. + * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize + targetm.resolve_overloaded_builtin here. + * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise. + +2005-07-21 Paolo Bonzini + Zdenek Dvorak + + PR tree-optimization/19210 + * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations): + New. + * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o. + * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations, + rely on unproven assumptions. + * predict.c (predict_loops): Adjust call to number_of_iterations_exit. + * tree-flow.h (number_of_iterations_exit): Add final parameter. + * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call + to number_of_iterations_exit. + * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise. + * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise. + * tree-ssa-loop-niter.c (find_loop_niter, + estimate_numbers_of_iterations_loop): Likewise. + (number_of_iterations_exit): Honor the new options. + * doc/invoke.texi (Wunsafe-loop-optimizations, + funsafe-loop-optimizations): Document them. + +2005-07-21 Richard Sandiford + + PR rtl-optimization/22167 + * gcse.c (hoist_code): Fix hoist_exprs[] check. + +2005-07-20 Adam Nemet + + * config/rs6000/lynx.h: Mark __do_global_ctors_aux and + __do_global_dtors_aux longcall. + +2005-07-20 Kazu Hirata + + * gensupport.c (old_preds): Don't reference PREDICATE_CODES. + (old_special_pred_table): Don't reference + SPECIAL_MODE_PREDICATES. + * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison. + * config/arc/arc.h: Don't mention PREDICATE_CODES. + * config/sh/predicates.h: Don't mention + SPECIAL_MODE_PREDICATES. + * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): + Remove. + +2005-07-20 DJ Delorie + + * config.gcc: Add m32c-elf support. + + * doc/contrib.texi: Mention m32c. + * doc/extend.texi: Document m32c extensions. + * doc/install.texi: Mention m32c. + * doc/invoke.texi: Document m32c options. + * doc/md.texi: Document m32c constraints. + + * config/m32c/addsub.md: New file. + * config/m32c/bitops.md: New file. + * config/m32c/cond.md: New file. + * config/m32c/jump.md: New file. + * config/m32c/m32c-lib1.S: New file. + * config/m32c/m32c-lib2.c: New file. + * config/m32c/m32c-modes.def: New file. + * config/m32c/m32c-pragma.c: New file. + * config/m32c/m32c-protos.h: New file. + * config/m32c/m32c.abi: New file. + * config/m32c/m32c.c: New file. + * config/m32c/m32c.h: New file. + * config/m32c/m32c.md: New file. + * config/m32c/m32c.opt: New file. + * config/m32c/minmax.md: New file. + * config/m32c/mov.md: New file. + * config/m32c/muldiv.md: New file. + * config/m32c/predicates.md: New file. + * config/m32c/prologue.md: New file. + * config/m32c/shift.md: New file. + * config/m32c/t-m32c: New file. + +2005-07-20 Kaz Kojima + + * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants. + (stack_protect_set, stack_protect_test): New expanders. + (stack_protect_set_si, stack_protect_set_si_media, + stack_protect_set_di_media, stack_protect_test_si, + stack_protect_test_si_media, stack_protect_test_di_media): + New insns. + +2005-07-20 Andrew Pinski + + * c-typeck.c (output_init_element): Don't copy the INTEGER_CST. + +2005-07-20 James A. Morrison + + * tree.h (tree_expr_nonzero_p): Export. + * fold-const.c (tree_expr_nonzero_p): Likewise. + Return true for CALL_EXPRs that are alloca calls. + (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs + against zero. + * tree-flow.h (expr_computes_nonzero): Remove. + * tree-vrp.c (expr_computes_nonzero): Remove. + (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p. + (extract_range_from_unary_expr): Likewise. + * tree-ssa-dom.c (record_equivalences_from_stmt): Use + tree_expr_nonzero_p. + +2005-07-20 Bernd Schmidt + + * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare. + * config/bfin/bfin.c (legitimize_pic_address): Now static. Take + extra arg "picreg" and use it instead of pic_offset_table_rtx. + All callers changed. + (frame_related_constant_load): New arg "related" which controls + setting of RTX_FRAME_RELATED_P. All callers changed. + (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue. + (bfin_expand_prologue): Add stack limit checking. + * config/bfin/bfin.md (trapifcc): New pattern. + + * config/bfin/bfin.c: Include "langhooks.h". + (def_builtin): Go through lang_hooks to call builtin_function. + + * config/bfin/bfin-protos.h (bfin_longcall_p): Declare. + * config/bfin/predicates.md (symbol_ref_operand): New. + (call_insn_operand): Delete. All callers changed to use + register_no_elim_operand. + * config/bfin/bfin.c (init_cumulative_args): Initialize the new + call_cookie field. + (function_arg): Use it to generate the call's operand 2. + (bfin_longcall_p): New function. + (bfin_expand_call): Extra arg "cookie". All callers and declaration + changed. Emit extra USE in the pattern. Use bfin_longcall_p to + determine if the address needs to be in a REG. + (bfin_handle_longcall_attribute): New function. + (bfin_attribute_table): Add "longcall" and "shortcall". + * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros. + (CUMULATIVE_ARGS): New member call_cookie. + (PREDICATE_CODES): Add symbol_ref_operand. + * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add + extra USE to the pattern. + (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol): + New patterns, split off call_insn, sibcall_insn, call_value_insn and + sibcall_value_insn; now the new patterns handle direct calls and the + old ones indirect calls. + * doc/extend.texi: Mention Blackfin in longcall/shortcall docs. + +2005-07-20 Zdenek Dvorak + + * doc/trouble.texi: Update section on handling of empty loops. + +2005-07-20 Kazu Hirata + + * config.gcc: Remove support for sparc-*-openbsd*, + i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*, + ns32k-*-netbsd*. + * config.host: Remove support for i860-*-sysv4* as a host. + * config/i860/*, config/ip2k/*, config/ns32k/*, + config/sparc/openbsd.h, config/sparc/t-openbsd: Remove. + * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't + mention obsolete ports. + +2005-07-20 Kaz Kojima + + * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for + soft frame pointer. + (sh_expand_prologue): Use hard_frame_pointer_rtx instead + of frame_pointer_rtx. + (sh_expand_epilogue): Likewise. + (sh_set_return_address): Likewise. + (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM + instead of FRAME_POINTER_REGNUM if needed. Add elimination + offsets from FRAME_POINTER_REGNUM. + * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp. + (sh_register_names): Add initializer for sfp. + (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM. + (VALID_REGISTER_P): Likewise. + (FIRST_PSEUDO_REGISTER): Update. + (DWARF_FRAME_REGISTERS): Define. + (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp. + (HARD_FRAME_POINTER_REGNUM): Define. + (FRAME_POINTER_REGNUM): Redefine. + (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM, + but HARD_FRAME_POINTER_REGNUM instead. Add eliminations + from FRAME_POINTER_REGNUM. + (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of + FRAME_POINTER_REGNUM. + (REG_CLASS_CONTENTS): Add sfp. + (REG_ALLOC_ORDER): Likewise. + (FRAME_GROWS_DOWNWARD): Set to 1. Update comment. + (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead + of frame_pointer_rtx. + (LEGITIMIZE_RELOAD_ADDRESS): Likewise. + +2005-07-19 James A. Morrison + + * fold-const.c (tree_expr_nonnegative_p): Only return true for + ABS_EXPR when flag_wrapv is false because of INT_MIN. + (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument + of an ABS_EXPR. + (fold_unary): Always fold ABS_EXPR> into + ABS_EXPR. + +2005-07-20 Giovanni Bajo + + Make CONSTRUCTOR use VEC to store initializers. + * c-common.c (complete_array_type): Update to cope with VEC in + CONSTRUCTOR_ELTS. + * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts. + (pp_c_constructor_elts): New function. + * c-pretty-print.h (pp_c_constructor_elts): Declare. + * c-typeck.c (build_function_call, build_c_cast, digest_init, + struct constructor_stack, struct initializer_stack, + constructor_elements, push_init_level, pop_init_level, + add_pending_init, find_init_member, output_init_element): Update to + cope with VEC in CONSTRUCTOR_ELTS. + * coverage.c (build_fn_info_value, build_ctr_info_value, + build_gcov_info): Likewise. + * expr.c (categorize_ctor_elements_1, store_constructor, + expand_expr_real_1): Likewise. + * fold-const.c (fold_ternary): Likewise. + * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl, + gimplify_init_constructor, gimplify_expr): Likewise. + * tree-dump.c (dequeue_and_dump): Likewise. + * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR + node. + * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in + CONSTRUCTOR_ELTS. + * tree-sra.c (generate_element_init_1): Likewise. + * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise. + * tree-ssa-operands.c (get_expr_operands): Likewise. + * tree-vect-generic.c (expand_vector_piecewise): Likewise. + * tree-vect-transform.c (vect_get_vec_def_for_operand): + (get_initial_def_for_reduction): Likewise. + * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses + value handle in annotations. + * tree.c (tree_node_kind, tree_code_size, make_node_stat, + tree_node_structure): Add support for constr_kind. + (build_vector_from_ctor, build_constructor_single, + build_constructor_from_list): New functions. + (build_constructor): Update to take a VEC instead of a TREE_LIST. + (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree): + Update to cope with VEC in CONSTRUCTOR_ELTS. + * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node. + * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT, + CONSTRUCTOR_APPEND_ELT): New macros. + (struct constructor_elt, struct tree_constructor): New data types. + (union tree_node): Add tree_constructor field. + * treestruct.def: Define TS_CONSTRUCTOR. + * varasm.c (const_hash_1, compare_constant, copy_constant, + compute_reloc_for_constant, output_addressed_constants, + initializer_constant_valid_p, output_constant, + array_size_for_constructor, output_constructor): Update to cope with + VEC in CONSTRUCTOR_ELTS. + * vec.h (VEC_empty, VEC_copy): New macros. + +2005-07-19 Devang Patel + + * dbxout.c (dbxout_type): Check Objective-C++ lang. + +2005-07-19 Richard Henderson + + PR tree-opt/22278 + * gimplify.c (gimplify_expr): Use main variant type for the temp + destination for a discarded volatile read. + * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide + casts between non-void types that change volatility. + +2005-07-15 DJ Delorie + + * toplev.h: Add comment about the first parameter for warning(). + * errors.h: Likewise. + + * c.opt (Wpragmas): New. + * doc/invoke.texi: Document it. + + * function.c (do_warn_unused_parameter): Add warning control to + warning call. + * c-decl.c (warn_if_shadowing): Likewise. + * c-lex.c (cb_def_pragma): Likewise. + * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise. + (pop_alignment): Likewise. + (handle_pragma_pack): Likewise. + (apply_pragma_weak): Likewise. + (handle_pragma_weak): Likewise. + (handle_pragma_redefine_extname): Likewise. + (add_to_renaming_pragma_list): Likewise. + (handle_pragma_extern_prefix): Likewise. + (maybe_apply_renaming_pragma): Likewise. + (handle_pragma_visibility): Likewise. + + * config/c4x/c4x-c.c (BAD): Likewise. + (c4x_parse_pragma): Likewise. + * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise. + * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise. + (rs6000_pragma_longcall): Likewise. + * config/v850/v850-c.c (pop_data_area): Likewise. + (ghs_pragma_section): Likewise. + (ghs_pragma_section): Likewise. + (ghs_pragma_interrupt): Likewise. + (ghs_pragma_starttda): Likewise. + (ghs_pragma_startsda): Likewise. + (ghs_pragma_startzda): Likewise. + (ghs_pragma_endtda): Likewise. + (ghs_pragma_endsda): Likewise. + (ghs_pragma_endzda): Likewise. + +2005-07-19 Danny Berlin + Kenneth Zadeck + + * Makefile.in: Removed tree-promote-statics.c + * tree-promote-statics.c: Removed. + * common.opt: Removed flag-promote-statics. + * opts.c: Ditto. + * passes.c: Removed tree-promote-statics pass. + * tree-pass.h: Ditto. + * timevar.def: Removed TV_PROMOTE_STATICS. + + +2005-07-19 Gerald Pfeifer + + * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8, + and *-*-freebsd9. + * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto. + +2005-07-19 Kaveh R. Ghazi + + PR c/22476 + * c-common.c (check_function_arguments): Call + 'check_function_format' if either -Wformat or + -Wmissing-format-attribute are specified. + * c-format.c (check_function_format): Check -Wformat before + calling 'check_format_info'. + * c-opts.c (c_common_post_options): Don't warn for + -Wmissing-format-attribute without -Wformat. + * c-typeck.c (convert_for_assignment): Detect additional cases for + -Wmissing-format-attribute. + * doc/invoke.texi (-Wmissing-format-attribute): Document new + behavior. + +2005-07-19 Richard Guenther + + * config/i386/i386.md (lrint2): Use temporary + instead of clobbering non-existent memory. + +2005-07-19 Nick Clifton + + * config/avr/avr.c (legitimate_address_p): Fix debugging print + statement to avoid displaying ASCII control characters. + +2005-07-19 Ben Elliston + + * bt-load.c (link_btr_uses): Fix uninitialised warnings. + * cfganal.c (find_edge_index): Ditto. + * combine.c (combine_instructions): Ditto. + * ddg.c (create_scc): Ditto. + (find_successors): Ditto. + (find_predecessors): Ditto. + (find_nodes_on_paths): Ditto. + (longest_simple_path): Ditto. + * flow.c (update_life_info): Ditto. + (count_or_remove_death_notes): Ditto. + (clear_log_links): Ditto. + * modulo-sched.c (generate_reg_moves): Ditto. + (find_max_asap): Ditto. + (find_max_hv_min_mob): Ditto. + (find_max_dv_min_mob): Ditto. + * sbitmap.c (sbitmap_first_set_bit): Ditto. + * sched-rgn.c (extract_edgelst): Ditto. + * tree-into-ssa.c (prepare_names_to_update): Ditto. + (dump_update_ssa): Ditto. + (ssa_names_to_replace) Ditto. + (switch_virtuals_to_full_rewrite): Ditto. + (update_ssa): Ditto. + * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto. + +2005-07-18 Daniel Berlin + + Fix PR tree-optimization/22483 + + * tree-complex.c (create_components): Use + safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE. + * tree-flow-inline.h (fill_referenced_var_vec): New function. + * tree-flow.h (safe_referenced_var_iterator): New structure. + (FOR_EACH_REFERENCED_VAR_SAFE): New macro. + * tree-ssa-alias.c (setup_pointers_and_addressables): Use + safe_referenced_var iterator. + (add_type_alias): Ditto. + +2005-07-19 Steven Bosscher + + * loop-init.c (rest_of_handle_loop2): Remove. + (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants, + rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions. + (pass_rtl_loop_init, pass_rtl_loop_done, + pass_rtl_move_loop_invariants, pass_rtl_unswitch, + pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes. + * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done, + pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init, + pass_tree_loop_done, and pass_tree_unswitch. + (gate_loop): Rename to gate_tree_loop. + * passes.c (init_optimization_passes): Update for renamed tree + loop passes. Add the new loop2 passes as subpasses of loop2. + * tree-pass.h: Add extern declarations for the new loop2 subpasses. + Update for the renamed tree loop passes. + +2005-07-18 Ian Lance Taylor + + PR middle-end/22057 + * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder + blocks when optimizing. + +2005-07-18 Steve Ellcey + + * common.opt (frename-registers): Initialize to 2. + (fweb): Ditto. + (fgcse-after-reload): Ditto. + * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE. + (process_options): Only change flag_web, flag_rename_registers, + and flag_rerun_cse_after_loop if not explicitly set by user. + +2005-07-18 Jan Beulich + + * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc, + ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode + in 64-bit mode the same as DImode in 32-bit mode. + (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr, + ix86_split_lshr): Likewise. Rename to no longer refer to a specific + mode. Add new mode parameter. + * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'. + * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3, + x86_64_shift_adj): New expanders. + (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1, + *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New + insns. + Respective new splitters. Use renamed shift splitter helpers in 32-bit + DImode shift splitters. + * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr, + ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new + mode parameter. + +2005-07-18 Jan Beulich + + * i386.md (movdi_extzv_1): New. + (zero_extendhidi2): Combine alternatives and never force use of + REX64 prefix. + (zero_extendqidi2): Likewise. Don't restrict input selection. + +2005-07-17 Daniel Berlin + + Fix PR tree-optimization/22531 + * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the + moment. + +2005-07-17 Daniel Berlin + + * tree-promote-statics.c (pass_promote_statics): Change dump file + name. + +2005-07-17 Daniel Berlin + + * tree-optimize.c (init_tree_optimization_passes): Add + pass_eliminate_useless_stores pass. + * tree-pass.h (pass_eliminate_useless_stores): New pass structure. + * tree-ssa-pre.c (is_copy_stmt): New function. + (follow_copies_till_vuse): Ditto. + (do_eustores): Ditto. + (gate_eustores): Ditto. + +2005-07-16 Richard Henderson + + * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit. + +2005-07-16 Danny Berlin + Kenneth Zadeck + + * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c, + ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c, + ipa-type-escape.h, tree-promote-statics.c + * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c, + ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h, + tree-promote-statics.c: new files. + * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p, + nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1, + int nonlocal_set_p, mark_constant_function): Deleted. + (rest_of_handle_cfg): Removed call to mark_constant_function. + (nonoverlapping_component_refs_p): Added calls to support + type based aliasing. + * tree-ssa-alias.c (may_alias_p, + compute_flow_insensitive_aliasing): Ditto. + * calls.c (flags_from_decl_or_type): Removed reference to + cgraph_rtl_info. + * c-typeck.c (convert_arguments): Make builtins tolerant of having + too many arguments. This is necessary for Spec 2000. + * cgraph.h (const_function, pure_function): Removed. + * common.opt: Added "fipa-pure-const", "fipa-reference", + "fipa-type-escape", and "ftree-promote-static". + * opts.c: Ditto. + * passes.c: Added ipa and tree-promote-statics passes. + * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE, + TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS. + * tree-dfa.c (referenced_var_lookup_if_exists): New function. + * tree-flow.h: Added exposed sra calls and addition of + reference_vars_info field for FUNCTION_DECLS. + * tree-pass.h: Added passes. + * tree-sra.c: (sra_init_cache): New function. + (sra_insert_before, sra_insert_after) Made public. + (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p + and made public. + * tree-ssa-alias.c (dump_alias_stats): Added stats for type based + aliasing. (may_alias_p): Added code to use type escape analysis to + improve alias sets. + * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and + code to prune clobbers of static variables based on information + produced in ipa-reference pass. Changed call clobbering so that + statics are not marked as clobbered if the call does not clobber + them. + +2005-07-16 Daniel Berlin + + * tree-ssa-structalias.c (need_to_solve): Need to check for preds, + too. + +2005-07-16 Eric Botcazou + + * doc/install.texi (*-*-solaris2*): Document recommended version + of GNU binutils and mention GNU linker problem on Solaris 10. + +2005-07-16 Joseph S. Myers + + PR c/22421 + * c-decl.c (c_build_bitfield_integer_type): New function. + (finish_struct): Call it. + * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types. + +2005-07-16 Kaveh R. Ghazi + + * c-typeck.c (digest_init): Call 'convert_for_assignment' + before returning. + +2005-07-16 Jan Hubicka + + * cfg.c (update_bb_profile_for_threading): Fix profile updating. + (scale_bbs_frequencies_int): Watch roundoff errors. + * predict.c (return_prediction): Initialize return_stmt. + +2005-07-16 Jan Hubicka + + * profile.c (rest_of_handle_branch_prob): Fix handling of estimation + after RTL profiling. + +2005-07-11 Andrew Pinski + + PR middle-end/22398 + * fold-const.c (build_range_check): Convert high/low to etype + if we are only comparing against exp. + +2005-07-13 Daniel Berlin + + Fix PR tree-optimization/22376 + * tree-ssa-structalias.c (build_constraint_graph): We really meant + special var here. + (need_to_solve): New function. + (compute_points_to_sets): Use it. + +2005-07-15 Jan Hubicka + + * cfg.c (update_bb_profile_for_threading): More diagnostic. + * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block. + +2005-07-15 Richard Guenther + + * c-common.c (handle_flatten_attribute): New function. + Add flatten function attribute. + * doc/extend.texi: Document flatten function attribute. + * Makefile.in (ipa-inline.o): Depend on hashtab.h. + * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node): + New functions. + (cgraph_decide_inlining): Handle functions with flatten + attribute. + +2005-07-14 David Edelsohn + + * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC, + UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG, + UNSPEC_XCHG, UNSPEC_AND): New. + (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, + UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete. + * config/rs6000/sync.md (FETCHOP): New code macro. + (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr): + New code attrs. + (memory_barrier, sync_internal): Use unspec instead of unspec_volatile. + (sync_compare_and_swap): Same. + (sync_lock_test_and_set): Same. + (sync_, sync_nand): Only use rs6000_emit_sync + for QImode and HImode, and not PPC405. + (sync_old_, sync_old_nand): Same. + (sync_new_, sync_new_nand): Same. + (sync_{si,di}_internal): New. + (sync_nand{si,di}_internal): New. + (sync_old_{si,di}_internal): New. + (sync_old_nand{si,di}_internal): New + (sync_new_{si,di}_internal): New. + (sync_new_nand{si,di}_internal): New. + (atomic_and{si,di}): New. + (sync_new_nand{si,di}_internal): New. + (atomic_and{si,di}): New. + (sync_add_internal): Delete. + (sync_addshort_internal): Use unspec instead of unspec_volatile. + (sync_sub_internal): Delte. + (sync_subshort_internal): New. + (sync_andsi_internal): Use unspec instead of unspec_volatile. + (sync_anddi_internal): Delete. + (sync_boolsi_internal): Use unspec instead of unspec_volatile. + (sync_booldi_internal): Delete. + (sync_boolc_internal): Delete. + (sync_boolcshort_internal): Use unspec instead of unspec_volatile. + (sync_boolc_internal2): Delete. + (sync_boolcc_internal): Delete. + (isync, lwsync): Use unspec instead of unspec_volatile. + * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS. + Revert UNSPEC_VOLATILE. + (rs6000_split_atomic_op): New. + * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare. + +2005-07-14 Eric Christopher + + * config/mips/mips.c (mips_canonicalize_comparison): Cast + argument of trunc_int_for_mode to unsigned HOST_WIDE_INT. + +2005-07-14 Eric Christopher + + * config/s390/t-tpf (SHLIB_MAPFILES): Remove. + +2005-07-14 Steven Bosscher + + PR tree-optimization/22230 + * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in + the computation of the four cross productions for "range op range". + +2005-07-14 Alexandre Oliva + Ulrich Weigand + + PR target/20126 + * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV + in some insn. + +2005-07-14 Ulrich Weigand + + * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition. + +2005-07-14 Steve Ellcey + + * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode. + +2005-07-14 Richard Guenther + + PR middle-end/22347 + * config/i386/i386-protos.h (ix86_function_value): Change + prototype to match new target hook. + * config/i386/i386.c (ix86_value_regno): Change prototype + to take extra type argument. + (TARGET_FUNCTION_VALUE): Define. + (ix86_function_ok_for_sibcall): Pass extra argument to + ix86_value_regno, check return slot rtx for exact match. + (ix86_function_value): Take extra parameter. Dispatch to + ix86_value_regno with fndecl/fntype as provided. + (ix86_value_regno): Handle extra type argument. + * config/i386/i386.h (FUNCTION_VALUE): No longer define. + + * testsuite/gcc.target/i386/sseregparm-3.c: New testcase. + * testsuite/gcc.target/i386/sseregparm-4.c: New testcase. + * testsuite/gcc.target/i386/sseregparm-5.c: New testcase. + * testsuite/gcc.target/i386/sseregparm-6.c: New testcase. + * testsuite/gcc.target/i386/sseregparm-7.c: New testcase. + +2005-07-14 Richard Guenther + + * Makefile.in (explow.o, reg-stack.o): Depend on target.h. + * calls.c (expand_call): Pass fntype to hard_function_value. + (emit_library_call_value_1): Likewise. + * explow.c: Include target.h. + (hard_function_value): Take extra argument, the fntype. + Use new target hook for function_value. + * expr.h (hard_function_value): Change prototype. + * function.c (aggregate_value_p): Pass 0 as fntype to + hard_function_value. + (assign_parms): Use new target hook for function_value. + Pass 0 as fntype to hard_function_value. + (expand_function_end): Likewise. + * reg-stack.c: Include target.h. + (stack_result): Use new target hook for function_value. + * target-def.h: New target hook function_value. + * target.h: Likewise. + * targhooks.c (default_function_value): New function. + * targhooks.h (default_function_value): Declare. + +2005-07-13 Ian Lance Taylor + + * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define. + +2005-07-14 Jan Hubicka + + * tree-dfa.c (dump_variable): Use default_def function. + * tree-ssa-alias.c (dump_points_to_info): Likewise. + * tree-ssa.c (verify_use): Likewise. + * tree-ssanames.c (release_ssa_name): Likewise. + * tree-tailcall.c (eliminate_tail_call): Likewise. + (tree_optimize_tail_calls_1): Likewise. + * tree-vrp.c (get_value_range): Likewise. + +2005-07-14 Ben Elliston + + * gcc.c (main): Compare language[0] with '*' when iterating over + the infiles. + +2005-07-13 Adrian Straetling + + * config/s390/s390.c: (s390_cc_modes_compatible): Move before + "s390_emit_compare". Add handling of CCZ1mode. + (s390_canonicalize_comparison): Simplify cascaded EQ, NE. + (390_emit_compare): Use "s390_cc_modes_compatible" for mode + checking. + (s390_branch_condition_mask): Add CCZ1mode handling. + * config/s390/s390.md: ("seq", "*seq"): New pattern. + ("sync_compare_and_swap_cc", "*sync_compare_and_swap_cc"): + Use CCZ1mode instead of CCZmode. + * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode. + +2005-07-13 Adrian Straetling + + * config/s390/s390.md: ("cmpstrsi", "*cmpstr"): New + pattern. + ("strlen", "*strlen"): Use hard reg 0 in SImode. + +2005-07-13 Eric Christopher + + * config/mips/mips.c (mips_canonicalize_comparison): New. + (mips_emit_int_relational): Use. + +2005-07-13 Eric Christopher + + * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove + static extra parts. + * config/s390/s390.md: Include tpf.md. Move tpf specific + patterns... + * config/s390/tpf.md: To here. + * config/s390/s390.opt: Move tpf specific options... + * config/s390/tpf.opt: to here. Add mmain option. + * config/s390/tpf-unwind.h: Remove unnecessary defines. + * config/s390/tpf.h: Rewrite. + +2005-07-13 H.J. Lu + + * doc/tm.texi: Remove @xref{Cross-profiling}. + +2005-07-13 Jeff Law + + * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR + expressions, test their _DECL operands for pointer equality rather + than using operand_equal_p. + +2005-07-13 H.J. Lu + + * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ... + (TARGET_POSIX_IO): This. + * config/darwin.h: Likewise. + * config/freebsd.h: Likewise. + * config/linux.h: Likewise. + * config/lynx.h: Likewise. + * config/netbsd.h: Likewise. + * config/rs6000/linux64.h: Likewise. + * config/rs6000/linux.h: Likewise. + * config/s390/tpf.h: Likewise. + * config/sh/embed-elf.h: Likewise. + * config/sparc/linux64.h: Likewise. + * config/sparc/linux.h: Likewise. + * config/svr4.h: Likewise. + * gcov-io.h: Likewise. + + * doc/tm.texi: Updated. + + * libgcov.c (create_file_directory): Defined only if + TARGET_POSIX_IO is defined. + (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO + is defined. + +2005-07-13 Jan Hubicka + + * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch. + +2005-07-13 David Edelsohn + + * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed + structure as argument. + +2005-07-13 Paolo Bonzini + + PR tree-optimization/21921 + * tree-iterator.c (tsi_link_before): Support the case when + tsi_end_p (tsi) == true. + +2005-07-12 Zdenek Dvorak + + PR tree-optimization/22442 + * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs + correctly. + +2005-07-12 Zdenek Dvorak + + PR rtl-optimization/20376 + * toplev.c (process_options): Enable -fweb and -frename-registers when + unrolling. + * doc/invoke.texi: Update the information about when -fweb and + -frename-registers are enabled. + +2005-07-12 Andrew Pinski + + PR tree-opt/21840 + * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type + if *rhs_p is not a SSA_NAME. + +2005-07-12 Daniel Berlin + + Fix PR tree-optimization/22422 + * tree-ssa-structalias.c (struct variable_info): Add flag for + special vars. + (get_varinfo): Now a static function. + (new_varinfo): init has_union and is_special_var to false. + (solution_set_add): Check has_union. + (do_da_constraint): Move temporary variable so it gets reset + properly. + Also check for special variable. + (do_ds_constraint): Ditto. + (do_sd_constraint): Ditto. + (do_structure_copy): Check for special variable. + (find_func_aliases): Ditto. + (init_base_vars): Set special vars properly. + +2005-07-13 Jan Hubicka + + * cfgexpand.c (expand_one_stack_var): Do not expand variables when we + do unit-at-a-time. + + * tree-ssa-operands.c (parse_ssa_operands): Fix formatting. + (get_expr_operands): Fix thinko wrt flags and subvars. + + PR tree-optimize/22379 + * tree-inline.c (expand_call_inline): Do not output sorry in early + inlining. + +2005-07-12 Dale Johannesen + + * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND. + +2005-07-12 Andrew Pinski + + PR bootstrap/21704 + * host-linux.h: Include limits.h. + +2005-07-12 Dale Johannesen + + * expr.c (compress_float_constant): Add cost check. + * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost. + +2005-07-12 Dale Johannesen + + * gcc.target/i386/compress-float-sse.c: New. + * gcc.target/i386/compress-float-sse-pic.c: New. + * gcc.target/i386/compress-float-387.c: New. + * gcc.target/i386/compress-float-387-pic.c: New. + * gcc.dg/compress-float-ppc.c: New. + * gcc.dg/compress-float-ppc-pic.c: New. + +2005-07-12 Eric Christopher + + * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove + static extra parts. + * config/s390/s390.md: Include tpf.md. Move tpf specific + patterns... + * config/s390/tpf.md: To here. + * config/s390/s390.opt: Move tpf specific options... + * config/s390/tpf.opt: to here. Add mmain option. + * config/s390/tpf-unwind.h: Remove unnecessary defines. + * config/s390/tpf.h: Rewrite. + +2005-07-12 Eric Christopher + + * gcc.c (struct infile): Update comment for language. + (main): Rewrite input file resetting code. + +2005-07-12 Andrew Pinski + + PR tree-opt/22335 + * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if + requiring a cast in a non RHS of modify_expr. Add a cast when required. + (lookup_avail_expr): Use constant_boolean_node instead + of boolean_false_node/boolean_true_node. + +2005-07-12 Ben Elliston + + * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string + and use it when printing num_edges. + +2005-07-12 Bernd Schmidt + + * doc/extend.texi (Blackfin Built-in Functions): New section. + * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the + @opindex. + +2005-07-12 Adrian Straetling + + * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp): + s/cmpstrsi/cmpstrnsi + (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and + 'cmpstrnsi'. + * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'. + (init_optabs): Initialize cmpstrn_optab. + * optabs.h: (enum insn_code cmpstrn_optab): Declare. + * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation. + * expr.c: (enum insn_code cmpstrn_optab): Declare. + * config/i386/i386.md: s/cmpstr/cmpstrn + * config/c4x/c4x.md: s/cmpstr/cmpstrn + * doc/md.texi: Update documentation. + +2005-07-11 Richard Henderson + + * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use + build_va_arg_indirect_ref. + (alpha_gimplify_va_arg): Likewise. + * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise. + * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise. + * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise. + * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise. + * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise. + * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg): + Likewise. + * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise. + +2005-07-12 Zdenek Dvorak + + * tree-flow.h (remove_empty_loops, single_dom_exit): Declare. + * passes.c (init_optimization_passes): Add pass_empty_loop. + * tree-pass.h (pass_empty_loop): Declare. + * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop, + try_remove_empty_loop, remove_empty_loops): New functions. + * tree-ssa-loop-ivopts.c (single_dom_exit): Export. + * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New. + +2005-07-12 Peter Barada + + PR middle-end/16719 + PR middle-end/18421 + * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes + in address registers. + * config/m68k/m68k.c (hard_regno_mode_ok): Likewise. + * config/m68k/m68k.md: Replace 's' with 'i' in 4th + alternative of addsi3_5200. + +2005-07-11 Ian Lance Taylor + + * config/mips/mips.md (ffs2): Remove. + +2005-07-11 Ian Lance Taylor + + * doc/tree-ssa.texi (Cleanups): Improve description of + TRY_FINALLY_EXPR. + (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases. + +2005-07-11 Daniel Berlin + + * print-tree.c (print_node): Use DECL_ARGUMENT_FLD. + * tree.h (DECL_ARGUMENT_FLD): New macro. + +2005-07-11 Daniel Berlin + + Fix PR tree-optimization/22404 + + * tree-ssa-structalias.c (create_variable_info_for): Use + correct offset. + +2005-07-11 Bernd Schmidt + + * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt, + compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand + for second comparison operand. + * config/bfin/predicates.md (reg_or_const_int_operand): New. + + * config/bfin/bfin.md (define_attr "type"): Add "sync". + (define_insn_reservation "alu"): Likewise. + (csync, ssync): Now of type sync. + * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to + -mcsync-anomaly -mspecld-anomaly. + * config/bfin/bfin.opt (mcsync): Remove. + (mcsync-anomaly, mspecld-anomaly): Add. + * config/bfin/bfin.c: Include "insn-codes.h". + (bfin_reorg): Extend to handle the CSYNC anomaly as well. + (TARGET_DEFAULT_TARGET_FLAGS): New. + * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly. + +2005-07-11 Steven Bosscher + + * basic-block.h: Give the BB flags enum a name, bb_flags. + Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK. + * cfgcleanup.c (enum bb_flags): Remove here. + (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove. + (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS. + (update_forwarder_flag): Likewise. + (thread_jump): Likewise. + (try_forward_edges): Likewise. + (try_optimize_cfg): Likewise. Clear bb->flags before updating the + forwarder flags. Don't clear bb->aux for all basic blocks. Only + reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags. + +2005-07-11 Richard Guenther + + * config/i386/i386.opt: New target option -msseregparm. + * config/i386/i386.c (override_options): Error out for + -msseregparm but no SSE support. + (ix86_function_sseregparm): Check for global sseregparm. + * doc/invoke.texi: Document -msseregparm. + +2005-07-11 Kazuhiro Inaoka + + * config.gcc (m32r-*-linux*): Use the default extra_parts. + (m32rle-*-linux*): Ditto. + +2005-07-11 Jakub Jelinek + + * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type) + instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in + bytes. + +2005-07-10 John David Anglin + + PR middle-end/22239 + PR target/20126 + * loop.c (loop_givs_rescan): Use expand_simple_binop instead of + gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)). + +2005-07-07 Daniel Berlin + + * tree-ssa-structalias.c (struct variable_info): Heapify complex. + (varmap): Heapify varmap. + (constraints): Heapify constraints. + (struct constraint_graph): Heapify succs and preds. + (constraint_vec_find): Update for heapification. + (constraint_set_union): Ditto. + (insert_into_complex): Ditto. + (constraint_edge_vec_find): Ditto. + (erase_graph_self_edge): Ditto. + (add_graph_edge): Ditto. + (get_graph_weights): Ditto. + (merge_graph_nodes): Ditto. + (build_constraint_graph): Ditto. + (topo_visit): Ditto. + (solve_graph): Ditto. + (create_variable_info_for): Ditto. + (init_base_vars): Ditto. + (delete_points_to_sets): Free graph, varmap, and complex constraints. + (condese_varmap_nodes): Free complex vector. + (clear_edges_for_node): Clear succs and preds vector. + +2005-07-10 Daniel Berlin + + * tree-ssa-structalias.c (update_alias_info): Change counting of + references to not include vdefs. + +2005-07-10 Daniel Berlin + + * tree-ssa-alias.c (free_used_part_map): Add missing free. + (up_insert): Ditto. + +2005-07-10 John David Anglin + + * pa.c (pa_commutative_p): Make PLUS commutative when + TARGET_NO_SPACE_REGS is true. + +2005-07-09 Diego Novillo + + * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h + * tree-cfg.c (CHECK_OP): Only test for is_gimple_val. + * tree-dfa.c (dump_subvars_for): New. + (debug_subvars_for): New. + (dump_variable): Show subvariables if VAR has them. + * tree-flow-inline.h (get_subvar_at): New. + (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT. + * tree-flow.h (struct ptr_info_def): Remove field pt_malloc. + Update all users. + (struct subvar): Change fields offset and size to unsigned + HOST_WIDE_INT. + (dump_subvars_for): Declare. + (debug_subvars_for): Declare. + (get_subvar_at): Declare. + (okay_component_ref_for_subvars): Change 2nd and 3rd argument + to unsigned HOST_WIDE_INT *. + (overlap_subvar): Likewise. + * tree-gimple.c (is_gimple_reg): Always return false for + SFTs and memory tags. + * tree-pass.h (pass_build_pta, pass_del_pta): Remove. + Update all callers. + * tree-ssa-alias.c: Include tree-ssa-structalias.h. + (compute_may_aliases): Call compute_points_to_sets. + (collect_points_to_info_for): Remove. + (compute_points_to_and_addr_escape): Remove. + (delete_alias_info): Call delete_points_to_sets. + (compute_flow_sensitive_aliasing): If the call to + find_what_p_points_to returns false, call set_pt_anything. + (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias. + (set_pt_anything): Clear pi->pt_vars. + (set_pt_malloc): Remove. + (merge_pointed_to_info): Remove. + (add_pointed_to_expr): Remove. + (add_pointed_to_var): Remove. + (collect_points_to_info_r): Remove. + (is_escape_site): Make extern. + (create_sft): New. + (create_overlap_variables_for): Call it. + * tree-ssa-copy.c (merge_alias_info): Never merge + flow-sensitive alias information. + * tree-ssa-operands.c (get_expr_operands): Adjust variables + offset and size to be unsigned HOST_WIDE_INT. + (add_to_addressable_set): Rename from note_addressable. + Set TREE_ADDRESSABLE as the variables are added to the set. + Update all users. + (add_stmt_operand): Do not try to micro-optimize unmodifiable + operands into VUSEs when adding V_MAY_DEFs for members in an + alias set. + * tree-ssa-operands.h (add_to_addressable_set): Declare. + * tree-ssa-structalias.c: Include tree-ssa-structalias.h last. + (struct variable_info): Add bitfield is_heap_var. + (var_anyoffset, anyoffset_tree, anyoffset_id): Declare. + (new_var_info): Initialize is_heap_var. + (get_constraint_for): Add HEAP variables to the symbol table. + Mark them with is_heap_var. + (update_alias_info): New. Taken mostly from the old + compute_points_to_and_addr_escape. + (handle_ptr_arith): New. + (find_func_aliases): Call update_alias_info. + Call handle_ptr_info for tcc_binary expressions. + Call mark_stmt_modified. + (create_variable_info_for): If DECL has subvars, do not create + variables for its subvars. Always add all the fields. + (set_uids_in_ptset): If the solution includes ANYOFFSET and + SFTs, then add all the SFTs of the structure. + If VI->DECL is an aggregate with subvariables, add the SFT at + VI->OFFSET. + (find_what_p_points_to): If VI is an artificial variable, + translate to bitfields in SSA_NAME_PTR_INFO. + If the solution is empty, set pi->pt_vars to NULL + (init_base_vars): Create ANYOFFSET. + (compute_points_to_sets): Rename from create_alias_vars. + Make extern. + (pass_build_pta): Remove. + (delete_points_to_sets): Rename from delete_alias_vars. + (pass_del_pta): Remove. + * tree-ssa-structalias.h (struct alias_info): Move from + tree-ssa-alias.h. + (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC, + NUM_REFERENCES_SET): Likewise. + (compute_points_to_sets, delete_points_to_sets): Declare. + +2005-07-09 Richard Henderson + + * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12, + alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12, + alpha_split_lock_test_and_set_12): New functions. + * config/alpha/alpha-protos.h: Update. + * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC, + UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO. + * config/alpha/sync.md (I12MODE): New. + (memory_barrier, mb_internal): Use unspec instead of unspec_volatile. + (sync_): Likewise. + (sync_nand): Likewise. + (sync_old_): Likewise. + (sync_new_): Likewise. + (sync_old_nand, sync_new_nand): Likewise. + (sync_compare_and_swap): Likewise. + (sync_lock_test_and_set): Likewise. + (sync_compare_and_swap): New. + (sync_compare_and_swap_1): New. + (sync_lock_test_and_set): New. + (sync_lock_test_and_set_1): New. + +2005-07-09 Diego Novillo + + PR 21356 + PR 22332 + * passes.c (execute_todo): Cleanup the CFG before updating SSA. + +2005-07-09 Jakub Jelinek + + * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT: + in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx). + +2005-07-09 Richard SAndiford + + PR target/21656 + * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define. + +2005-07-08 David Edelsohn + + * config/rs6000/sync.md (load_locked_): Use Z for + memory_operand constraint. + (store_conditional_): Same. + (sync_compare_and_swap): Same. + (sync_lock_test_and_set): Same. + +2005-07-08 Hans-Peter Nilsson + + Rewrite PIC support to more closely model actual instructions. + * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol) + (cris_symbol): Remove prototypes for removed functions. + (cris_pic_symbol_type_of, cris_valid_pic_const) + (cris_expand_pic_call_address): Prototypes for new functions. + * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused + variable. + (cris_print_operand) : Remove cases for unused + modifiers. + : Add case for new punctuation character. + : Temporarily set flag_pic = 2 instead of incorrectly + emitting (extra) PIC modifier. + : Do not assert for PLT. + (cris_initial_frame_pointer_offset, cris_simple_epilogue) + (cris_expand_prologue, cris_expand_epilogue): Check + for pic_offset_table_rtx usage instead of taking + current_function_uses_pic_offset_table as the final word. + (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok): + Remove flag_pic difference. + (cris_valid_pic_const, cris_pic_symbol_type_of): New functions, + the moral equivalents of... + (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove + functions. + (cris_legitimate_pic_operand): Just call cris_valid_pic_const. + (cris_handle_option): Mark ARG as unused. + (cris_expand_pic_call_address): New worker function for "call", + "call_value". + (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not + output PIC constructs here. + (cris_output_addr_const_extra): Changes for emitting PIC modifiers + as symbol-specific modifers, not whole or part of operands. + * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case. + (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped + constants and flag_pic. + (CONSTANT_INDEX_P): Adjust for new functions. + (enum cris_pic_symbol_type): New helper type. + (PRINT_OPERAND_PUNCT_VALID_P): Add ':'. + * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL) + (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New + define_constants. + ("movsi"): Emit actual instructions for GOT and relative access. + ("*movsi_got_load"): New pattern to set up the register holding + the GOT pointer. + ("*movsi_internal"): Operand 1 is not a plain general_operand. + Adjust FIXME for 'S'. + : Sanity-check UNSPEC types for PIC. + Use "movs" for -fpic cases. + ("addsi3"): Add alternative for 'S'; use adds.w when possible. + ("uminsi3","*expanded_call_value"): Remove 'S' alternative. + ("call", "call_value"): Just call cris_expand_pic_call_address for + PIC addresses. + ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"): + Remove special pattern. + ("*expanded_call_side", "*expanded_call_value_side"): New + patterns. + (gotplt-to-plt, gotplt-to-plt-side-call) + (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New + peephole2:s. + * config/cris/cris/predicates.md + ("cris_general_operand_or_gotless_symbol"): Remove unused + predicate. + ("cris_general_operand_or_symbol"): Adjust for new functions. + +2005-07-08 Andrew Pinski + + * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1. + +2005-07-08 Daniel Berlin + + * Makefile.in (TREE_H): Add treestruct.def. + (c-decl.o): Add pointer-set.h + * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at + visibility on regular DECL's. + (merge_decls): Fix the copying of decl nodes of various types for + the new structures. Don't update RTL, section name, weak status, + etc, on DECL's without RTL. + (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone. + Don't check volatile on non-variable types. + (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK + to check whether we have seen arguments. + * c-objc-common.c (c_tree_printer): Reverse order of tests so that + flag is checked before field (flag is common, field is not). + * dwarf2out.c (decl_ultimate_origin): Only DECL's with + TS_DECL_COMMON could have an origin. + (add_location_or_const_value_attribute): Don't check section name + on non-var/function decls. + (dwarf2out_var_location): Reverse order of tests. + * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace + with DECL_WRTL_CHECK. + * expmed.c (make_tree): rtl is now in decl_with_rtl. + * fold-const.c (fold_binary): Don't check weakness on + non-var/function decls. + (tree_expr_nonzero_p): Ditto. + (fold_checksum_tree): Use tree_decl_extra as sizeof + buffer. + * ggc-page.c (extra_order_size_table): Add sizes for + tree_decl_non_common, tree_parm_decl, tree_var_decl, and + tree_field_decl. + * gimplify.c (gimplify_bind_expr): Only set + DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL. + * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's + without RTL. + * langhooks-def.h (LANG_HOOK_INIT_TS): New. + * langhooks.h (init_ts). New langhook. + * passes.c (rest_of_decl_compilation): Reverse order of tests. + * print-tree.c (print_node): Update to only print fields that + exist in the structures the passed decl has. + * toplev.c (wrapup_global_declarations): Don't reset + DECL_DEFER_OUTPUT on DECL's that don't contain it. + * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed. + * tree-inline.c (remap_decl): Ditto. + * tree-outof-ssa.c (create_temp): Reverse order of tests. + * tree-pretty-print.c (print_declaration): Don't print + DECL_REGISTER on things that don't contain it. + * tree-vrp.c (expr_computes_nonzero): Don't check weakness on + non-var/function decls. + * tree.c (tree_contains_struct): New structure. + (init_priority_for_decl): New hashtable. + (tree_int_map): New structure. + (tree_int_map_eq): New function. + (tree_int_map_marked_p): Ditto. + (tree_int_map_hash): Ditto. + (tree_map): Move to tree.h. + (tree_map_eq): Externalize. + (tree_map_hash): Ditto. + (tree_map_marked_p): Ditto. + (init_ttree): Set up tree_contains_struct and call langhook. + (decl_assembler_name): Use DECL_NON_COMMON_CHECK.. + (tree_code_size): Update for new structures. + (tree_node_structure): Update for new structures. + (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls + without the field. + (copy_node_stat): Copy init priority. + (build_decl_stat): Ditto for visibility. + (ts_enum_names): New. + (tree_contains_struct_check_failed): New function. + (decl_init_priority_lookup): Ditto. + (decl_init_priority_insert): Ditto. + * treestruct.def: New file. + * tree.h (CODE_CONTAINS_STRUCT): New macro. + (CONTAINS_STRUCT_CHECK): Ditto. + (tree_contains_struct_check_failed): New prototype. + (DECL_CHECK): Removed. + (DECL_MINIMAL_CHECK): New. + (DECL_COMMON_CHECK): Ditto. + (DECL_WRTL_CHECK): Ditto. + (DECL_NON_COMMON_CHECK): Ditto. + (DECL_WITH_VIS_CHECK): Ditto. + (VAR_OR_FUNCTION_DECL_P): Ditto + (struct tree_decl_minimal): New structure. + (struct tree_decl_common): Ditto. + (struct tree_decl_with_rtl): Ditto. + (struct tree_decl_with_vis): Ditto. + (struct tree_decl_non_common): Ditto. + (struct tree_field_decl): Ditto. + (struct tree_parm_decl): Ditto. + (struct tree_var_decl): Ditto. + (struct tree_function_decl): Ditto. + (struct tree_const_decl): Ditto. + (struct tree_result_decl): Ditto. + (union tree_node): Add new structures. + * var-tracking.c (track_expr_p): Reverse order of tests. + + * doc/c-tree.texi: Add documentation on DECL node internal structure. + +2005-07-08 Kazu Hirata + + * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC. + * system.h: Poison FINALIZE_PIC. + * doc/tm.texi (FINALIZE_PIC): Remove. + +2005-07-08 Andrew Pinski + + PR tree-opt/22329 + * tree-ssa-propagate.c (fold_predicate_in): Convert the value + to the correct type if we have a MODIFY_EXPR. + +2005-07-08 Kazu Hirata + + PR tree-optimization/22360 + * tree.c (upper_bound_in_type): Fix calculations for casting + to a non-wider signed type and casting a signed value to a + wider unsigned type. + (lower_bound_in_type): Fix calculations for casting to a + non-wider signed type. + + PR tree-optimization/20139 + * tree-cfg.c (remove_bb): Check in_ssa_p before calling + release_defs. + * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call + fold_cond_expr_cond. + * tree-ssanames.c (release_defs): Assert in_ssa_p. + * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite. + +2005-07-08 Andrew Pinski + + PR tree-opt/22356 + * tree-complex.c (expand_complex_libcall): Produce + REALPART_EXPR/IMAGPART_EXPR with the correct type. + +2005-07-08 Kenneth Zadeck + + * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl, + bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a != + b" assert and inserted fastpath code for this case. + (bitmap_ior): Removed "a != b" assert. + +2005-07-08 Kazuhiro Inaoka + + * config/m32r/linux.h (STARTFILE_SPEC): Support PIE. + (ENDFILE_SPEC): Likewise. + * config/m32r/m32r.h (ASM_SPEC): Likewise. + + * config/m32r/m32r.c (m32r_output_function_epilogue): Care for + a large stack frame at epilogue. + +2005-07-08 David Billinghurst + + * final.c: Include sdbout.h when required. + +2005-07-07 Geoffrey Keating + + * config.gcc (*-*-darwin*): Only one target-specific header file + for generic darwin. + (powerpc-*-darwin*): Add version-specific header files. + * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp. + * config.in: Regenerate. + * configure: Regenerate. + * gcc.c: Include xregex.h. + (version_compare_spec_function): New. + (spec_function): Add version-compare. + (replace_outfile_spec_function): Reformat comment. + (compare_version_strings): New. + * config/darwin-c.c (version_as_macro): New. + (builtin_define): New. + (darwin_cpp_builtins): New. + * config/darwin-protos.h (darwin_cpp_builtins): New. + * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here. + (LIB_SPEC): Make unconditional, update comment. + (TARGET_C99_FUNCTIONS): Define. + * config/darwin.opt: Sort. + (mmacosx-version-min=): New. + * config/darwin7.h: Delete. + * config/darwin8.h: Delete. + * config/i386/darwin.h (): Call darwin_cpp_builtins. + * config/rs6000/darwin.h (): Call darwin_cpp_builtins. + (TARGET_C99_FUNCTIONS): Define. + * config/rs6000/darwin7.h: New. + * config/rs6000/darwin8.h: New. + * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min= + (-mmacosx-version-min): Document. + +2005-07-07 Ian Lance Taylor + + * config/mips/mips.md (abs2) [GPR]: Remove. + +2005-07-07 John David Anglin + + PR middle-end/22239 + * loop.c (loop_givs_rescan): Check that v->new_reg is a REG. + +2005-07-07 Khem Raj + + * config/arm/arm.c (thumb_output_function_prologue): Calculate offset + in bytes, not words. + +2005-07-07 Paul Brook + + * config/arm/arm.c (arm_pad_arg_upward): Compare return value of + DEFAULT_FUNCTION_ARG_PADDING to upward. + +2005-07-07 Richard Henderson + + * function.c (locate_and_pad_parm): Record parameter alignment in + stack_alignment_needed. + +2005-07-07 David Edelsohn + + * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP, + UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete. + (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC, + UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New. + (define_attr "type"): Add isync, sync, load_l, store_c. + * config/rs6000/sync.md (memory_barrier): Change to define_expand. + Create scratch volatile MEM. + (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute + sync. + (load_locked_): New. + (store_conditional_): New. + (sync_compare_and_swap): Replace with splitter. + (sync_lock_test_and_set): Replace with splitter. + (sync_): Change to unspec_volatile UNSPECV_SYNC_OP + and UNSPECV_ISYNC. + (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic + is ics. Attribute isync. + (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute + lwsync. + * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE + and UNSPECV_SYNC_OP. + (emit_unlikely_jump): New. + (emit_load_locked): New. + (emit_store_conditional): New. + (rs6000_split_compare_and_swap): New. + (rs6000_split_lock_test_and_set): New. + (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L, + TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC. + * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap, + rs6000_split_lock_test_and_set): Declare. + * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md, + mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l, + store_c, isync, sync. + +2005-07-07 Kelley Cook + + * Makefile.in (echo_quoted_to_gtyp): New template for outputing + filenames to gtyp-gen.h. + (s-typ-gen): Use it in place of for loops. + +2005-07-07 J"orn Rennecke + + * hooks.c (hook_bool_rtx_int_false): New function. + * hooks.h (hook_bool_rtx_int_false): Declare. + * target-def.h (TARGET_COMMUTATIVE_P): Define. + (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P. + * target.h (struct gcc_target): Add commutative_p member. + * targhooks.c (hook_bool_rtx_commutative_p): New function. + * targhooks.h (hook_bool_rtx_commutative_p): Declare. + * pa.c (TARGET_COMMUTATIVE_P): Redefine. + (pa_commutative_p): New function. + * jump.c (target.h): Include. + (rtx_renumbered_equal_p): Use targetm.commutative_p. + * doc/tm.texi: Document TARGET_COMMUTATIVE_P. + +2005-07-07 Adrian Straetling + + * config/s390/s390-protos.h (s390_expand_clrmem): Delete. + (s390_expand_setmem): New. + * config/s390/s390.c: Likewise. + (print_shift_count_operand): Truncate to 12 bits instead of 6. + Adapt comments. + * config/s390/s390.md: ("setmem"): Accept character as + general_operand. Call new function "s390_expand_setmem". + ("clrmem_long", "*clrmem_long"): Rewrite to ... + ("setmem_long", "*setmem_long"): ... this. + +2005-07-07 Adrian Straetling + + * config/s390/s390.c: (optimization_options): Enable + TARGET_MVCLE at -Os. + * doc/invoke.texi: Document changes in default behaviour. + * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle". + +2005-07-07 Adrian Straetling + + * expr.c: (set_storage_via_setmem): Convert opchar to mode + defined by back-end. + +2005-07-07 Jakub Jelinek + + * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after + all sets in the pattern. + * config/rs6000/rs6000.md (stack_protect_testsi, + stack_protect_testdi): Likewise. + +2005-07-06 Jeff Law + + * tree-vrp.c (simplify_using_ranges): Kill. + (vrp_finalize): Remove call to simplify_using_ranges. + (simplify_stmt_using_ranges): New function extracted from + simplify_using_ranges. + (simplify_div_or_mod_using_ranges): Likewise. + (simplify_abs_using_ranges): Likewise. + (simplify_cond_using_ranges): New function. + * tree-flow.h (simplify_stmt_using_ranges): Prototype. + * tree-ssa-propagate.c (substitute_and_fold): Call + simplify_stmt_using_ranges if we have range information. + +2005-07-06 James E. Wilson + + * config/ia64/ia64.c (ia64_reorg): Check optimize before + ia64_flag_schedule_isns2. + + * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when + reading/writing general registers. + (ia64_function_arg): Revert 2005-06-18 change. + +2005-07-06 John David Anglin + + * pa.c (legitimize_pic_address): Use gcc_assert instead of abort. + (legitimize_tls_address): Use gcc_unreachable instead of abort. + +2005-07-06 Kaz Kojima + + * function.c (expand_function_end): Revert part of 2005-06-27 + patch. Do sjlj_emit_function_exit_after after return_label. + +2005-07-06 Kazu Hirata + + * doc/install.texi (--disable-libssp): New. + +2005-07-06 Fariborz Jahanian + + * doc/invoke.texi: Update -fforce-mem documentation. + * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove + code for -fforce-mem. + * expmed.c: (store_bit_field,store_fixed_bit_field, + extract_bit_field): Ditto. + * expr.c: (convert_move): Ditto. + * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop, + expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move, + emit_conditional_add,expand_float,expand_fix): Ditto. + * opts.c: (decode_options): Remove setting of flag_force_mem flag. + (common_handle_option): Issue warning when -fforce-mem specified. + +2005-07-06 Paul Brook + + * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last + argument is empty. + * configure: Regenerate. + +2005-07-06 J"orn Rennecke + + * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09. + +2005-07-06 Daniel Berlin + + Fix PR tree-optimization/22319 + Fix PR tree-optimization/22140 + Fix PR tree-optimization/22310 + + * tree-ssa-structalias.c (do_structure_copy): Give up earlier on + variable sized types. + Use correct type for intermediate structure on *a = *b structure + copies. + +2005-07-06 Jakub Jelinek + + * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE): + Remove. + (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA. + (machine_function): Move typedef to... + * config/rs6000/rs6000.c (machine_function): ... here. Add + varargs_save_offset field. + (rs6000_stack_t): Remove varargs_size field. + (setup_incoming_varargs): Allocate varargs save area using + assign_stack_local, try to make it as small as possible. + Save offset from virtual_stack_vars_rtx to the save area + in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD + instead of magic 8 when fp word byte size is used. + (rs6000_va_start): Use cfun->machine->varargs_save_offset + instead of -RS6000_VARARGS_SIZE. + (rs6000_stack_info, debug_stack_info, + rs6000_initial_elimination_offset): Remove all traces of + varargs_size. + * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove. + * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add + RS6000_VARARGS_AREA. + +2005-07-06 Zdenek Dvorak + + PR tree-optimization/21963 + * tree-ssa-loop-ivopts.c (get_computation_aff): Use + constant_multiple_of in the same way get_computation_cost_at does. + +2005-07-06 Jakub Jelinek + + * config/sparc/sparc.h (sparc_compare_emitted): New extern. + * config/sparc/sparc.c (sparc_compare_emitted): New variable. + (gen_compare_reg): If sparc_compare_emitted is set, clear it + and return its previous value. + (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL. + * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New + constants. + (stack_protect_set, stack_protect_test): New expanders. + (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi, + stack_protect_testdi): New insns. + * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define. + * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define. + +2005-07-06 Jeff Law + + * tree-ssa-dce.c (cfg_altered): New global. + (tree_dce_init): Initialize cfg_altered. + (remove_dead_stmt): If we remove an edge in the CFG, then set + CFG_ALTERED. + (perform_tree_ssa_dce): If we altered the CFG, then invalidate + the dominators. + +2005-07-06 Kazu Hirata + + * Makefile.in (stamp-collect-ld): Use + $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove + ./collect-ld if it already exists. + (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<. + Don't remove ./nm if it already exists. + +2005-07-05 Devang Patel + + * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number. + (LOOP_VINFO_LOC, LOOP_LOC): Remove. + * tree-vectorizer.c (vect_loop_location): New. + (vect_print_dump_info): Use vect_loop_location. + (new_loop_vec_info): Do not set LOOP_VINFO_LOC. + (vectorize_loops): Set vect_loop_location. + * tree-vect-analyze.c (vect_analyze_offset_expr, + vect_determin_vectorization_factor, vect_analyze_operations, + vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence, + vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment, + vect_analyze_data_refs_alignment, vect_analyze_data_ref_access, + vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access, + vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant, + vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized, + vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form, + vect_analyze_loop): Adjust vect_print_dump_info API. + * tree-vect-transform.c (vect_create_addr_base_for_vector_ref, + vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand, + vect_finish_stmt_generation, vectorizable_assignment, + vectorizable_operation, vectorizable_store, vectorizable_load, + vectorizable_live_operation, vectorizable_condition, vect_transform_stmt, + vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound, + vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment, + vect_transform_loop): Same. + * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use, + vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops): + Same. + +2005-07-05 Randolph Chung + + * configure.ac (hppa*-*-linux*: Check for a TLS capable gas. + * configure: Regenerate. + * config/pa/pa-protos.h (tls_symbolic_operand): Declare. + (pa_tls_referenced_p): Declare. + * config/pa/pa.c (legitimize_pic_address): Reject TLS operands. + (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New. + (legitimize_tls_address): New. + (hppa_legitimize_address): Handle TLS addresses. + (pa_tls_symbol_ref_1, pa_tls_referenced_p): New. + (TARGET_CANNOT_FORCE_CONST_MEM): Define. + (emit_move_sequence): Handle TLS addresses. + (pa_encode_section_info): Call default handler to handle common + sections. + * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New. + (CONSTANT_ADDRESS_P): Reject TLS operands. + (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define. + * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM) + (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE) + (UNSPEC_TLSLE): Define new constants. + (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New. + * config/pa/predicates.md (symbolic_operand): Reject TLS operands. + (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand) + (tie_symbolic_operand, tle_symbolic_operand): New + +2005-07-06 Kelley Cook + + * aclocal.m4: Update macros for autoconf 2.59 style. + * configure.ac: Likewise. + +2005-07-05 John David Anglin + + * pa.c (function_value): Handle small aggregates on 32-bit targets. + (function_arg): Pass small aggregates in general registers on 32-bit + targets. + * som.h (MEMBER_TYPE_FORCES_BLK): Delete define. + +2005-07-05 Andrew Pinski + + * Makefile.in (final.o): Fix dependencies. + +2005-07-05 Joseph S. Myers + + PR c/22013 + PR c/22098 + * langhooks.h (struct lang_hooks): Add expr_to_decl. + * langhooks.c (lhd_expr_to_decl): New. + * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL): + New. + (LANG_HOOKS_INITIALIZER): Update. + * tree.c (recompute_tree_invarant_for_addr_expr): Call + expr_to_decl langhook. + * c-tree.h (c_expr_to_decl): Declare. + * c-typeck.c (c_expr_to_decl): New. + (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR + specially. + * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define. + +2005-07-05 Joseph S. Myers + + PR c/22308 + * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY, + C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants. + +2005-07-05 Paolo Bonzini + + * Makefile.in: Adjust dependencies. + * tree-pass.h: Add new passes and passes formerly in tree-optimize.c. + * basic-block.h (duplicate_computed_gotos): Remove, it is now static. + * alias.c (rest_of_handle_cfg, pass_cfg): New. + * bb-reorder.c (duplicate_computed_gotos): Make it static. + * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of + rest_of_compilation. + + * bb-reorder.c (gate_duplicate_computed_gotos, + pass_duplicate_computed_gotos, gate_handle_reorder_blocks, + rest_of_handle_reorder_blocks, pass_reorder_blocks, + gate_handle_partition_blocks, rest_of_handle_partition_blocks, + pass_partition_blocks): New. + * bt-load.c (gate_handle_branch_target_load_optimize, + rest_of_handle_branch_target_load_optimize, + pass_branch_target_load_optimize): New. + * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2, + pass_jump2): New. + * cfglayout.c (pass_insn_locators_initialize): New. + * cfgrtl.c (pass_free_cfg): New. + * combine.c (gate_handle_combine, rest_of_handle_combine, + pass_combine): New. + * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse, + gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New. + * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New. + * except.c (pass_set_nothrow_function_flags, + pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh, + pass_rtl_eh): New. + * final.c (pass_compute_alignments, rest_of_handle_final, pass_final, + rest_of_handle_shorten_branches, pass_shorten_branches, + rest_of_clean_state, pass_clean_state): New. + * flow.c (pass_recompute_reg_usage, gate_remove_death_notes, + rest_of_handle_remove_death_notes, pass_remove_death_notes, + rest_of_handle_life, pass_life, rest_of_handle_flow2, + pass_flow2): New. + * function.c (pass_instantiate_virtual_regs, pass_init_function, + rest_of_handle_check_leaf_regs, pass_leaf_regs): New. + * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass, + pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse, + pass_gcse): New. + * global.c (rest_of_handle_global_alloc, pass_global_alloc): New. + * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion, + pass_rtl_ifcvt, gate_handle_if_after_combine, + rest_of_handle_if_after_combine, pass_if_after_combine, + gate_handle_if_after_reload, rest_of_handle_if_after_reload, + pass_if_after_reload): New. + * integrate.c (pass_initial_value_sets): New. + * jump.c (pass_cleanup_barriers, purge_line_number_notes, + pass_purge_lineno_notes): New. + * mode-switching.c (rest_of_handle_mode_switching, + pass_mode_switching): New. + * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New. + * loop-init.c (gate_handle_loop2, rest_of_handle_loop2, + pass_loop2): New. + * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize, + pass_loop_optimize): New. + * modulo-sched.c (gate_handle_sms, rest_of_handle_sms, + pass_sms): New. + * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2, + pass_gcse2): New. + * postreload.c (gate_handle_postreload, rest_of_handle_postreload, + pass_postreload_cse): New. + * profile.c (gate_handle_profiling, pass_profiling, + rest_of_handle_branch_prob, pass_branch_prob): New. + * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split, + pass_split_before_regstack, gate_handle_split_before_regstack, + gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2, + rest_of_handle_split_all_insns, pass_split_all_insns): New. + * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs, + pass_stack_regs): New. + * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove, + gate_handle_stack_adjustments, rest_of_handle_stack_adjustments, + pass_stack_adjustments): New. + * regrename.c (gate_handle_regrename, rest_of_handle_regrename, + pass_regrename): New. + * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots, + pass_delay_slots, gate_handle_machine_reorg, + rest_of_handle_machine_reorg, pass_machine_reorg): New. + * rtl.h (extern void purge_line_number_notes): New. + * sched-rgn.c (gate_handle_sched, rest_of_handle_sched, + gate_handle_sched2, rest_of_handle_sched2, pass_sched, + pass_sched2): New. + * tracer.c (gate_handle_tracer, rest_of_handle_tracer, + pass_tracer): New. + * value-prof.c (gate_handle_value_profile_transformations, + rest_of_handle_value_profile_transformations, + pass_value_profile_transformations): New. + * var-tracking.c (gate_handle_var_tracking, + pass_variable_tracking): New. + * web.c (gate_handle_web, rest_of_handle_web, pass_web): New. + + * passes.c (open_dump_file, close_dump_file, rest_of_handle_final, + rest_of_handle_delay_slots, rest_of_handle_stack_regs, + rest_of_handle_variable_tracking, rest_of_handle_machine_reorg, + rest_of_handle_old_regalloc, rest_of_handle_regrename, + rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks, + rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2, + rest_of_handle_gcse2, rest_of_handle_regmove, + rest_of_handle_tracer, rest_of_handle_if_conversion, + rest_of_handle_if_after_combine, rest_of_handle_if_after_reload, + rest_of_handle_web, rest_of_handle_branch_prob, + rest_of_handle_value_profile_transformations, rest_of_handle_cfg, + rest_of_handle_jump_bypass, rest_of_handle_combine, + rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2, + rest_of_handle_gcse, rest_of_handle_loop_optimize, + rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize, + rest_of_handle_mode_switching, rest_of_handle_jump, + rest_of_handle_eh, rest_of_handle_stack_adjustments, + rest_of_handle_flow2, rest_of_handle_jump2, + rest_of_handle_peephole2, rest_of_handle_postreload, + rest_of_handle_shorten_branches, rest_of_clean_state, + rest_of_compilation): Remove. + + * cgraphunit.c (ipa_passes): Moved from tree-optimize.c. + * passes.c (dump_flags, in_gimple_form, all_passes, + all_ipa_passes, all_lowering_passes, register_one_dump_file, + register_dump_files, next_pass_1, last_verified, execute_todo, + execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved + from tree-optimize.c. + (init_optimization_passes): Moved from tree-optimize.c, + adding the RTL optimizations. + * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h. + * tree-optimize.c (dump_flags, in_gimple_form, all_passes, + all_ipa_passes, all_lowering_passes, register_one_dump_file, + register_dump_files, next_pass_1, last_verified, execute_todo, + execute_one_pass, execute_pass_list, execute_ipa_pass_list, + init_tree_optimization_passes, ipa_passes): Delete. + * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing + the RTL dumps. + (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p, + dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved + from tree.h. + (ipa_passes): Remove. + (all_passes, all_ipa_passes, all_lowering_passes): Now extern. + * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name, + dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node, + dump_switch_p, dump_flag_name): Moved to tree-pass.h. + (dump_info_p, dump_flag): Moved to tree-dump.h. + + * Makefile.in: Adjust dependencies for tree-pretty-print.c, + cgraph.c, opts.c. + * passes.c (finish_optimization_passes): Use dump_begin + and dump_end, TDI_end. + (gate_rest_of_compilation): New. + (pass_rest_of_compilation): Use it. + (gate_postreload, pass_postreload): New. + * toplev.c (general_init): Rename init_tree_optimization_passes. + * toplev.h (init_tree_optimization_passes): Rename to + init_optimizations_passes. + * tree-dump.c (dump_flag): Make static. + (dump_files): Remove RTL dumps. + * tree-optimize.c (pass_all_optimizations, pass_early_local_passes, + pass_cleanup_cfg, pass_free_cfg_annotations, + pass_cleanup_cfg_post_optimizing, pass_free_datastructures, + pass_init_datastructures, pass_fixup_cfg): Make non-static. + * tree-pretty-print.c: Include tree-pass.h. + * cgraph.c: Include tree-dump.h. + +2005-07-04 Daniel Berlin + + * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var): + Only fall back to saying it points to readonly memory if + we can't do better. + +2005-07-05 Kazuhiro Inaoka + + * config/m32r/m32r-protos.h: Remove m32r_finalize_pic. + * config/m32r/m32r.c (m32r_compute_frame_size, + m32r_expand_prologue): Take current_function_profile into + account whenever we reference + current_function_uses_pic_offset_table. + (m32r_finalize_pic): Remove. + * config/m32r/m32r.h (FINALIZE_PIC): Likewise. + +2005-07-05 Kazu Hirata + + * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET) + instead of $<. Don't remove ./as if it already exists. + +2005-07-04 John David Anglin + + PR target/21723 + * pa.md: Remove fcpy alternative from movhi and movqi patterns. + * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers + for complex modes when generating code for PA 1.0. + (VALID_FP_MODE_P): New macro. + (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register + sets for all general and floating point modes. Align wide floating + point modes to even register boundaries to comply with architectural + requirements. + (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS. + * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting. + (VALID_FP_MODE_P): New macro. + (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register + sets for all general and floating point modes. Align wide floating + point modes to even register boundaries to comply with architectural + requirements. + +2005-07-04 Diego Novillo + + * tree-dump.c (dump_files): Initialize dump number for .cgraph + to 0. + +2005-07-04 Diego Novillo + + * tree-ssa-structalias.c: Don't include expr.h. + +2005-07-04 Diego Novillo + + * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix + comments. + +2005-07-04 Daniel Berlin + + Fix PR tree-optimization/22279 + + * tree-ssa-structalias.c (offset_overlaps_with_access): Use + correct operator. + +2005-07-04 J"orn Rennecke + + * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t". + +2005-07-03 Joseph S. Myers + + * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c, + cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c, + config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c, + config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h, + config/stormy16/stormy16.c, config/v850/v850.c, + config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c, + except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c: + Avoid "." or "\n" at end of diagnostics and capital letters at + start of diagnostics. + * combine.c, cse.c: Don't translate dump file output. + * toplev.c (print_version): Only translate output if going to + stderr. + +2005-07-03 Kazu Hirata + + * c-decl.c, tree-object-size.c, tree-vectorizer.c, + config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment + typos. + +2005-07-03 John David Anglin + + * pa.c (fix_range): Fix typo in comment. + +2005-07-03 Kazu Hirata + + * tree-vrp.c (extract_range_from_assert): Replace + fold (build (...)) with fold_build2. + +2005-07-03 Kaveh R. Ghazi + + * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs, + gcc_gfc_char_table, init_dynamic_gfc_info): New. + (format_types_orig, handle_format_attribute): Add support for + format "gcc_gfc". + +2005-07-03 Gabriel Dos Reis + + * varasm.c (assemble_variable): Fix format specifier thinko. + +2005-07-03 Ira Rosen + + PR tree-optimization/22029 (and 22135) + * tree-pretty-print.c (dump_generic_node): Check that the node is not + a phi node before calling dump_vops. + +2005-07-02 Gabriel Dos Reis + + * tree-dump.h (dump_string_field): Declare. + * tree-dump.c: Use it instead of dump_string. + (dump_string_field): Make non-static. + +2005-07-03 Kaz Kojima + + * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean + up the minimal CFG stuff always when optimize > 0. Call + split_all_insns_noflow in PIC case if needed. + +2005-07-02 Gabriel Dos Reis + Christian Ehrhardt + + PR c++/18279 + * c-decl.c (c_write_global_declarations): Dump contents of + external scope to. + * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl. + , , , , + , : Add. + (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump + is enabled. + +2005-07-03 Joseph S. Myers + + * c-common.h (GCC_DIAG_STYLE): Define. + * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC + version for format checking to 4.1. + * c-format.c: Include toplev.h after c-common.h. + (enum format_type): Add gcc_tdiag_format_type. + (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs, + gcc_tdiag_flag_specs, gcc_tdiag_char_table): New. + (format_types_orig): Add gcc_tdiag. + (init_dynamic_diag_info): Support gcc_tdiag formats. + (handle_format_attribute): Likewise. + * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove. + (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC + version for format checking to 4.1. + (warning0, warning, error, pedwarn, sorry): Use + ATTRIBUTE_GCC_DIAG. + * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c + (finish_aliases_1): Do not use %qE. + * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c, + config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c: + Correct format bugs. + * config/v850/v850-protos.h (v850_output_aligned_bss): Change size + parameter to unsigned HOST_WIDE_INT. + * config/v850/v850.c (v850_output_aligned_bss): Likewise. + +2005-07-02 David Edelsohn + + PR middle-end/21742 + * expr.c (write_complex_part): Use adjust_address for MEM. + (read_complex_part): Same. + +2005-07-02 Daniel Berlin + + Fix PR tree-optimization/22280 + + * tree-sra.c (generate_element_init): Remove useless loop. + +2005-07-02 Richard Henderson + + * config/alpha/alpha.c (alpha_legitimize_address): Check for + TLS_MODEL_NONE. + (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars. + +2005-07-02 Andrew Pinski + + PR middle-end/14490 + * fold-const.c (fold_binary): Handle the return value of + fold_to_nonsharp_ineq_using_bound if we get back the same operand back. + Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1". + +2005-07-02 Jeff Law + + * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not + a eliminate type conversion which feeds an equality comparison + if the original type or either operand in the comparison is a + function pointer. + +2005-07-02 Joseph S. Myers + + * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt, + config/rs6000/rs6000.opt, params.def: Remove "." from end of help + texts. + * config/avr/avr.c: Do not use '`' as left quote. + * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c: + Remove "." from end of diagnostics. Make diagnostics start with + lowercase letter. + +2005-07-02 Zack Weinberg + Joseph S. Myers + + * toplev.c (default_tree_printer): Handle setting location with + '+' flag. + * c-objc.common.c (c_tree_printer): Likewise. + * c-format.c (gcc_diag_flag_specs): Add '+'. + (gcc_cdiag_char_table): Allow '+' flag for tree formats. + (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag + formats. + * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c, + config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c, + config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c, + config/v850/v850.c, function.c, stor-layout.c, toplev.c, + tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag + instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end + of diagnostics. Use %q+D not %s for a decl. Do not pass excess + format arguments where %J is used without %D. + +2005-07-02 Jakub Jelinek + + * gcc.c (LINK_SSP_SPEC): Define. + (link_ssp_spec): New variable. + (LINK_COMMAND_SPEC): Add %(link_ssp). + (static_specs): Add link_ssp_spec. + * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test. + * configure: Rebuilt. + * config.in: Rebuilt. + + * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define. + * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise. + * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise. + * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise. + * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test): + If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp. + -0x7008(2) instead of reading __stack_chk_guard variable. + * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change + number. + (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants. + (stack_protect_set, stack_protect_test): Use *_tls* patterns + if TARGET_THREAD_SSP_OFFSET is defined. + (stack_tls_protect_set_si, stack_tls_protect_set_di, + stack_tls_protect_test_si, stack_tls_protect_test_di): New insns. + + Revert: + 2005-06-27 Richard Henderson + * libgcc-std.ver (GCC_4.1.0): New. + * libgcc.h (__stack_chk_guard): Declare. + (__stack_chk_fail, __stack_chk_fail_local): Declare. + * libgcc2.c (L_stack_chk, L_stack_chk_local): New. + * mklibgcc.in (lib2funcs): Add them. + +2005-07-01 Richard Henderson + + * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to + void * before struct sigcontext *. + (x86_fallback_frame_state): Likewise. + +2005-07-01 James E. Wilson + + * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet. + +2005-07-01 Andrew Pinski + + PR tree-opt/22269 + * tree-ssa-reassoc.c (should_transpose): Fix which operand + we check for SSA_NAME for. + +2005-07-01 Daniel Berlin + + Fix PR tree-optimization/22071 + + * tree-ssa-structalias.c (offset_overlaps_with_access): New + function. + (get_constraint_for_component_ref): Use it. + +2005-07-01 Andrew Pinski + + PR other/22264 + * diagnostic.c (diagnostic_report_current_module): Use pp_newline to + print out the last new line. + +2005-07-01 Hans-Peter Nilsson + + * config/cris/cris.md (CRIS_CC0_REGNUM): New constant. + Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM. + * config/cris/cris.c (cris_conditional_register_usage): Adjust + reg_names[CRIS_CC0_REGNUM] for early CRIS versions. + (cris_print_operand) : Handle CRIS_CC0_REGNUM. + (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms. + * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro. + (enum reg_class): New member CC0_REGS. + (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS. + (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER) + (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES) + (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS) + (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER): + Adjust for register now described. + +2005-07-01 Jakub Jelinek + + PR target/22262 + * config/i386/i386.md (stack_protect_test_si, + stack_protect_test_di): Add earlyclobber for scratch 3. + * config/rs6000/rs6000.md (stack_protect_testsi, + stack_protect_testdi): Add earlyclobber for scratch 3, + remove earlyclobber from scratch 4. + +Older entries for 2005 can be found in ChangeLog-2005. +2005-06-30 Diego Novillo + + PR 21584 + PR 22219 + * tree-ssa-alias.c (create_name_tags): Also process + non-dereferenced pointers. + Remove argument 'ai'. Update all callers. + +2005-06-30 Andrew Pinski + + * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): + Set to 0 for FRAME_GROWS_DOWNWARD. + (REGISTER_NAMES): Add sfp. + +2005-07-01 Kelley Cook + + * config/arm/libunwind.S, config/arm/pr-support.c, + config/arm/unwind-arm.c, config/arm/unwind-arm.h, + config/c4x/predicates.md, tree-object-size.c: Update FSF address. + +2005-06-30 Eric Botcazou + + PR target/22260 + * config/sparc/sparc.c (emit_and_preserve): Add 2nd register. + Preserve the 2nd register too, if present. + (sparc_output_mi_thunk) : Preserve the PIC register too. + Adjust call to emit_and_preserve. + +2005-06-30 Zack Weinberg + Jakub Jelinek + + * pretty-print.h (PP_NL_ARGMAX): New. + (text_info): Add locus. + (struct chunk_info): New. + (output_buffer): Add formatted_obstack, chunk_obstack, and + cur_chunk_array. Change obstack to a pointer. + (pp_wrapping_mode_t, pp_wrapping_mode, pp_set_verbatim_wrapping): New. + (struct pretty_print_info): Replace ideal_maximum_length and + prefixing_rule with wrapping. + (pp_line_cutoff, pp_prefixing_rule): Update to match. + Update prototypes and wrapper macros throughout. + * pretty-print.c (pp_formatted_text_data, pp_append_r) + (pp_base_clear_output_area, pp_construct, pp_base_formatted_text) + (pp_base_last_position_in_text, pp_base_newline, pp_base_character): + Update for changes to pp structure. + (pp_base_prepare_to_format, pp_base_format_text): Delete. + (pp_base_format, pp_base_output_formatted_text): New functions. + (pp_base_format_verbatim): Use pp_set_verbatim_wrapping. + (pp_verbatim): Clear text.locus. + (pp_printf): Likewise. Use pp_format and pp_output_formatted_text. + * c-objc-common.c (c_tree_printer): Update function signature. + * diagnostic.c (diagnostic_initialize): Update for changes to + pp structure. + (diagnostic_report_diagnostic): Call pp_format and then + pp_output_formatted_text. + (verbatim): Clear text.locus. + * diagnostic.h (diagnostic_prefixing_rule, diagnostic_line_cutoff): + Update for changes to pp structure. + + * c-lang.c: No need to include c-pretty-print.h. + * Makefile.in: Remove bogus line containing only a tab. + (c-lang.o): Update dependencies. + * toplev.c (announce_function): Don't use verbatim. + (default_tree_printer): Update signature. + + * objc/objc-lang.c: No need to include c-pretty-print.h. + * objc/Make-lang.in: Update dependencies. + +2005-06-29 Daniel Berlin + + * tree-complex.c (complex_variable_components): Now a hashtable. + (cvc_lookup): Ditto. + (cvc_insert): Ditto. + (create_components): Use referenced var iterator. + Initialize hashtable. Use cvc_insert/lookup. + (extract_components): Use cvc_insert/lookup. + (update_complex_components): Ditto. + (update_complex_components_on_edge): Ditto. + * tree-dfa.c (referenced_vars): Now a hashtable. + (dump_referenced_vars): Use iterator. + (referenced_var_lookup): New function. + (referenced_var_insert): Ditto. + (add_referenced_var): Use referenced_var_insert. + (mark_new_vars_to_rename): Use DECL_UID. + * tree-flow-inline.h (first_htab_element): New function. + (end_htab_p): Ditto. + (next_htab_element): Ditto. + (first_referenced_var): Ditto. + (end_referenced_vars_p): Ditto. + (next_referenced_var): Ditto. + (is_call_clobbered): Use DECL_UID. + (mark_call_clobbered): Ditto. + (clear_call_clobbered): Ditto. + (mark_non_addressable): Ditto. + * tree-flow.h (htab_iterator): New struct. + (FOR_EACH_HTAB_ELEMENT): New macro. + (struct int_tree_map): New struct. + (int_tree_map_hash): Prototype. + (int_tree_map_eq): Ditto. + (referenced_var_iterator): Ditto. + (FOR_EACH_REFERENCED_VAR): New macro. + (referenced_vars): Now a hashtable. + * tree-into-ssa.c (symbol_marked_for_renaming): Use DECL_UID. + (add_new_name_mapping): Ditto. + (mark_def_sites): Ditto. + (insert_phi_nodes): Use referenced_var iterator. + (mark_def_site_blocks): Ditto. + (mark_sym_for_renaming): Use DECL_UID. + * tree-sra.c (is_sra_candidate_decl): Use DECL_UID. + (lookup_element): Ditto. + (find_candidates_for_sra): Use referenced_vars iterator. + Use DECL_UID. + * tree-ssa-alias.c (NUM_REFERENCES): New macro. + (NUM_REFERENCES_CLEAR): Ditto. + (NUM_REFERENCES_INC): Ditto. + (NUM_REFERENCES_SET): Ditto. + (alias_obstack): New bitmap obstack. + (struct alias_map_d): Use bitmap, not sbitmap. + (struct alias_info): Remove num_references. + (init_alias_info): Use referenced_var iterator. + Initialize bitmap obstack. + (delete_alias_info): Use referenced_var iterator. + Free bitmap obstack. + (compute_points_to_and_addr_escape): Use DECL_UID. + Use new NUM_REFERENCES macros. + (compute_flow_sensitive_aliasing): may_aliases is now a bitmap. + Use new NUM_REFERENCES macros. + (group_aliases_into): Update prototype to use bitmap. + (setup_pointers_and_addressables): Use referenced_vars iterator. + Use DECL_UID. Use new NUM_REFERENCES macros. + (add_pointed_to_var): Use DECL_UID. + (dump_alias_info): Use referenced_var iterator. + (add_type_alias): Ditto. + (used_portions): Now a hashtable. + (used_part_map_eq): New function. + (used_part_map_hash): Ditto. + (free_used_part_map): Ditto. + (up_lookup): Ditto. + (up_insert): Ditto. + (get_or_create_used_part_for): Use up_lookup. + (create_overlap_variables_for): Ditto. + (find_used_portions): Use up_insert. + Use DECL_UID. + (create_structure_vars): Init used_portions hashtable, use + referenced_vars iterator. + * tree-ssa-live.c (create_ssa_var_map): sbitmaps became bitmaps. + Use DECL_UID. + * tree-ssa-loop-im.c (gather_mem_refs_stmt): Use DECL_UID. + * tree-ssa-operands.c (get_asm_expr_operands): Ditto. + (note_addressable): Ditto. + * tree-ssa-structalias.c (set_uids_in_ptset): Ditto. + * tree-ssa.c (verify_flow_insensitive_alias_info): Use + referenced_var iterator. + Use DECL_UID. + (delete_tree_ssa): Ditto. + (int_tree_map_eq): New function. + (int_tree_map_hash): Ditto. + * tree-stdarg.c (find_va_list_reference): Use DECL_UID. + (va_list_ptr_read): Ditto. + (va_list_counter_struct_op): Ditto. + (va_list_ptr_write): Ditto. + (check_va_list_escapes): Ditto. + (check_all_va_list_escapes): Ditto. + (execute_optimize_stdarg): Ditto. + * tree-tailcall.c (suitable_for_tail_opt_p): Used referenced_var + iterator. + +2005-06-30 Andrew Pinski + + * config/rs6000/darwin.h (FRAME_POINTER_REGNUM): Rename to ... + (HARD_FRAME_POINTER_REGNUM): this. + +2005-06-30 Jan Hubicka + + * ipa-inline.c (cgraph_clone_inlined_nodes): Revert previous patch. + +2005-06-30 Francois-Xavier Coudert + + PR middle-end/22247 + * tree-ssa-structalias.c (build_constraint_graph, scc_visit, + process_unification_queue, init_topo_info, topo_visit, + init_scc_info, free_scc_info, perform_var_substitution, + solve_graph): Use unsigned instead of uint. + +2005-06-30 Jakub Jelinek + + * function.c (gen_stack_protect_test): Add third argument. + +2005-06-30 J. D. Johnston + + * gthr-tpf.h (CE2THRCPTR): Change field offset to 16. + +2005-06-30 Kazu Hirata + + * config/c4x/c4x-protos.h: Remove the prototypes for those + functions removed from c4x.c. Add prototypes for those + functions exported in c4x.c. + * config/c4x/c4x.c (any_operand, fp_zero_operand, + const_operand, stik_const_operand, not_const_operand, + reg_operand, r0r1_reg_operand, r2r3_reg_operand, + ext_low_reg_operand, ext_reg_operand, std_reg_operand, + std_or_reg_operand, addr_reg_operand, index_reg_operand, + dp_reg_operand, sp_reg_operand, st_reg_operand, + rc_reg_operand, call_address_operand, + symbolic_address_operand, dst_operand, src_operand, + src_hi_operand, lsrc_operand, tsrc_operand, + nonimmediate_src_operand, nonimmediate_lsrc_operand, + reg_or_const_operand, par_ind_operand, parallel_operand): + Remove. + (c4x_immed_float_p, c4x_a_register, c4x_x_register, + c4x_K_constant, c4x_N_constant, c4x_O_constant, + c4x_S_indirect): Export. + * config/c4x/c4x.h (PREDICATE_CODES): Remove. + * config/c4x/c4x.md: Include predicates.md. + * config/c4x/predicates.md: New. + +2005-06-30 Jakub Jelinek + + * function.c (stack_protect_epilogue): Pass label to + stack_protect_test, assume it emitted also the conditional + branch. + * doc/md.texi (stack_protect_test): Adjust documentation. + * config/i386/i386.md (stack_protect_test): Add third argument, + emit beq with operands[2]. + * config/rs6000/rs6000.h (FRAME_GROWS_DOWNWARD): Define to + flag_stack_protect != 0. + * config/rs6000/rs6000.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New + constants. + (stack_protect_set, stack_protect_test): New expanders. + (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi, + stack_protect_testdi): New insns. + * config/rs6000/rs6000.c (rs6000_stack_protect_fail): New function. + (TARGET_STACK_PROTECT_FAIL): Define. + (rs6000_generate_compare): Handle UNSPEC_SP_TEST. + + * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Increment. + (DWARF_FRAME_REGISTERS, DWARF_REG_TO_UNWIND_COLUMN): Adjust, so + that addition of sfp doesn't change these. + (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS, + REG_ALLOC_ORDER): Add sfp. + (INT_REGNO_P): Include FRAME_POINTER_REGNUM. + (FRAME_POINTER_REGNUM): Define to 113. + (HARD_FRAME_POINTER_REGNUM): Define to 31. + (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Add sfp. + (STARTING_FRAME_OFFSET): Set to 0 for FRAME_GROWS_DOWNWARD. + (ELIMINABLE_REGS): Never eliminate to + FRAME_POINTER_REGNUM, but HARD_FRAME_POINTER_REGNUM + instead. Add eliminations from FRAME_POINTER_REGNUM. + (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): + Include FRAME_POINTER_REGNUM. + (REGISTER_NAMES): Add sfp. + * config/rs6000/rs6000.c (rs6000_reg_names): Add sfp. + (alt_reg_names): Likewise. + (rs6000_stack_info): Handle FRAME_GROWS_DOWNWARD. + (rs6000_emit_prologue): Use HARD_FRAME_POINTER_REGNUM + instead of FRAME_POINTER_REGNUM. + (rs6000_initial_elimination_offset): Never eliminate to + FRAME_POINTER_REGNUM, but HARD_FRAME_POINTER_REGNUM + instead. Add elimination offsets from FRAME_POINTER_REGNUM. + + * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Only return non-zero + if DEFAULT_ABI == ABI_V4. + +2005-06-30 Steven Bosscher + + * coretypes.h (tls_model): Add TLS_MODEL_NONE as 0. + * tree.h (struct tree_decl): New field `tls_model'. + (DECL_TLS_MODEL): New. + (DECL_THREAD_LOCAL_P): Rename from DECL_THREAD_LOCAL, make it + a predicate. + * rtl.h (decl_default_tls_model): Add prototype for it. + * varasm.c (decl_tls_model): Rewritten and renamed to ... + (decl_default_tls_model): ... this. + (default_encode_section_info): Use DECL_TLS_MODEL instead of + decl_tls_model. + (assemble_variable): Replace DECL_THREAD_LOCAL with + DECL_THREAD_LOCAL_P. + (default_section_type_flags_1): Likewise. + (categorize_decl_for_section): Likewise. + * tree.c (staticp): Likewise. + (recompute_tree_invarant_for_addr_expr): Likewise. + * drawf2out (loc_descriptor_from_tree_1): Likewise. + * c-decl.c (diagnose_mismatched_decls): Likewise. + with DECL_THREAD_LOCAL_P. + (start_decl): Likewise. + * print-tree.c (print_node): Likewise. Print the TLS model. + (grokdeclarator): Set the default DECL_TLS_MODEL here. + * c-common.c (handle_tls_model_attribute): Rewrite to set the + TLS model up based on the attribute. Never add the attribute + to the decl's attributes list. + * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Replace + DECL_THREAD_LOCAL with DECL_THREAD_LOCAL_P. + +2005-06-30 Zdenek Dvorak + + PR testsuite/21967 + * tree-ssa-live.c (mark_all_vars_used_1): Ignore variables in + TMR_ORIGINAL. + +2005-06-30 Bernd Schmidt + + * config/bfin/bfin.md (addv2hi3, subv2hi3, sminv2hi3, smaxv2hi3, + mulv2hi3, negv2hi2, absv2hi2): Pattern names fixed by appending the + necessary digit. + +2005-06-29 David Edelsohn + + * config/rs6000/rs6000.c (rs6000_file_start): Use PPC405_ERRATUM77. + +2005-06-29 Diego Novillo + + PR 22234 + * tree-ssa-copy.c (fini_copy_prop): Do not overwrite copy_of + when following copy-of chains. + +2005-06-30 Jan Hubicka + + * function.h (struct function): Add saved blocks/unexpanded var list. + * gimple-low.c (record_vars): Insert only VAR_DECLs. + * tree-inline.c (add_lexical_block): Declare; do not clear sublocks. + (remap_decl): Do not declare vars. + (remap_block): Do not care inserting blocks. + (remap_blocks): New function. + (copy_body_r): Update debug info. + (expand_call_inline): Duplicate callee block tree into caller; + copy all the unexpanded_var_list. + (save_body): Save unexpanded_var_list and blocks. + * tree-optimize.c (tree_rest_of_optimization): Restore + blocks/unexpanded_var_list. + +2005-06-29 Richard Henderson + + * config/ia64/ia64.c (ia64_expand_vecint_minmax): Use us_minus and + plus for V4HImode UMAX. + +2005-06-29 Joseph S. Myers + + * c-tree.h (default_function_array_conversion): Take and return + struct c_expr. + * c-typeck.c (default_function_array_conversion): Split into + array_to_pointer_conversion and function_to_pointer_conversion. + Take and return struct c_expr. + (array_to_pointer_conversion): Do not handle type qualifiers or + COMPOUND_EXPRs specially. + (build_function_call): Call function_to_pointer_conversion for + function designators. + (build_unary_op): Call array_to_pointer_conversion, not + default_function_array_conversion. + (digest_init, output_init_element): Likewise. + * c-parser.c: All callers of default_function_array_conversion + changed. + +2005-06-29 Ziemowit Laski + + * config/darwin.c (machopic_select_section): constant ObjC string + objects now always have type "__builtin_ObjCString". + +2005-06-29 Richard Henderson + + * config/alpha/alpha.md (vec_shl_, vec_shr_): New. + +2005-06-29 Richard Henderson + + * tree-vect-transform.c (vect_min_worthwhile_factor): Declare. + (vect_create_epilog_for_reduction): Don't use vec_shr if the + operation is emulated. + (vectorizable_reduction): Duplicate vect_min_worthwhile_factor + tests from vectorizable_operation. + +2005-06-29 Caroline Tice + + Fix PR 21956 + * varasm.c (assemble_start_function): Add "L" to beginning of + local labels, so assembler & linker treat them as local. + +2005-06-29 Richard Henderson + + * config/i386/i386.c (ix86_expand_int_vcond): Remove unsignedp + argument. Simplify canonicalization of condition. Use unsigned + saturating subtraction for QI and HImode unsigned compares. Use + bit arithmetic tricks for SImode unsigned compares. + * config/i386/i386-protos.h (ix86_expand_int_vcond): Update decl. + * config/i386/sse.md (SSEMODE14): New. + (umaxv8hi3): Use us_minus+plus to avoid vcond. + (umaxv4si3): New. + (smax3): Rename from smaxv16qi3 and macroize. + (smin3): Similarly with sminv16qi3. + (umin3): Similarly with uminv8hi3. + +2005-06-29 Ian Lance Taylor + + * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Change + GEN_INT to gen_int_for_mode when storing register size to memory. + +2005-06-29 Stuart Hastings + + * config/i386/mmintrin.h: Mark vector intrinsics always_inline. + * config/i386/emmintrin.h: Likewise. + * config/i386/pmmintrin.h: Likewise. + * config/i386/xmmintrin.h: Likewise. + +2005-06-29 Steve Ellcey + + PR middle-end/21969 + * tree.h (TYPE_VECTOR_SUBPARTS): Change to shift expression. + (SET_TYPE_VECTOR_SUBPARTS): New. + * tree.c (make_vector_type): Replace TYPE_VECTOR_SUBPARTS with + SET_TYPE_VECTOR_SUBPARTS. + * tree-vect-transform.c (vect_transform_loop): Add cast. + +2005-06-29 Andreas Krebbel + + * config/s390/s390.c (s390_decompose_address): Accept invalid + displacements for addresses containing frame_pointer_rtx or + virtual_stack_vars_rtx. + (s390_frame_info): Replaced use of STARTING_FRAME_OFFSET. + (s390_initial_elimination_offset): New offset when eliminating the + soft frame pointer. + * config/s390/s390.h (FRAME_GROWS_DOWNWARD): Defined as 1. + (STARTING_FRAME_OFFSET, STACK_DYNAMIC_OFFSET): Definitions changed. + +2005-06-28 Ziemowit Laski + + * c-common.c (flag_next_runtime): Move... + * toplev.c (flag_next_runtime): ... here. + * c-common.h (flag_next_runtime): Move... + * flags.h (flag_next_runtime): ... here. + * config/darwin-c.c: Include flags.h. + * config/t-darwin (darwin-c.o): Depend on flags.h. + +2005-06-29 Kaz Kojima + + * config/sh/linux-unwind.h (shmedia_fallback_frame_state): + Disable aliasing warning with void * cast. + (sh_fallback_frame_state): Likewise. + +2005-06-29 Kaz Kojima + + * target.h (gcc_target): New field allocate_initial_value. + * target-def.h (TARGET_ALLOCATE_INITIAL_VALUE): New macro. + (TARGET_INITIALIZER): Include it. + * integrate.c (allocate_initial_values): Use + targetm.allocate_initial_value. + * system.h: Poison ALLOCATE_INITIAL_VALUE. + * config/sh/sh-protos.h (sh_pr_n_sets): Delete. + * config/sh/sh.c (sh_pr_n_sets): Make it static. + (sh_allocate_initila_value): New function. + (TARGET_ALLOCATE_INITIAL_VALUE): Override default. + * config/sh/sh.h (ALLOCATE_INITIAL_VALUE): Delete. + * doc/tm.texi (TARGET_ALLOCATE_INITIAL_VALUE): Rename and + update from ALLOCATE_INITIAL_VALUE. + +2005-06-28 Richard Henderson + + * tree-vectorizer.c (vect_is_simple_reduction): Compare types + using TYPE_MAIN_VARIANT. + +2005-06-28 Richard Henderson + + * config/ia64/ia64.c (ia64_expand_vecint_compare): Decompose to EQ + when using psubN.uuu. + +2005-06-29 Kelley Cook + + * doc/gcc.texi: Update FSF address. + +2005-06-28 Eric Christopher + + PR c/22052 + PR c/21975 + * c-decl.c (diagnose_mismatched_decls): Define DECL_EXTERN_INLINE. + Use. Fix detection of invalid extern inline redefinition. + +2005-06-28 Diego Novillo + + * tree-optimize.c (init_tree_optimization_passes): Fix typo. + +2005-06-28 Andrew Pinski + + * config/rs6000/rs6000.md (setmemsi): s/operand/operands/. + +2005-06-28 Richard Henderson + + * config/ia64/ia64.c (ia64_expand_vecint_compare): Use unsigned + saturating subtraction for QI and HImode unsigned compares. Use + bit arithmetic tricks for SImode unsigned compares. + (ia64_expand_vcondu_v2si): Remove. + (ia64_expand_vecint_cmov): Don't call it. + +2005-06-28 Richard Henderson + + * rtlanal.c (nonzero_bits1): Use the mode of the value for + determining integral-ness for comparisons. + +2005-06-28 Andrew Pinski + + * config/rs6000/rs6000.md (setmemsi): Fix operand 2. + +2005-06-28 Joseph S. Myers + + * target.h (invalid_conversion, invalid_unary_op, + invalid_binary_op): New hooks. + * target-def.h (TARGET_INVALID_CONVERSION, + TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP, + TARGET_INITIALIZER): Likewise. + * hooks.h (hook_constcharptr_tree_tree_null, + hook_constcharptr_int_tree_null, + hook_constcharptr_int_tree_tree_null): New. + * hooks.c (hook_constcharptr_tree_tree_null, + hook_constcharptr_int_tree_null, + hook_constcharptr_int_tree_tree_null): Likewise. + * doc/tm.texi (TARGET_INVALID_CONVERSION, + TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Document. + * c-convert.c (convert): Use invalid_conversion hook. + * c-typeck.c (build_unary_op): Use invalid_unary_op hook. + (build_binary_op): Use invalid_binary_op hook. + * config/ia64/ia64-modes.def: Define RFmode. + * config/ia64/ia64-protos.h (spill_xfmode_operand): Remove. + (ia64_expand_movxf_movrf): New. + * config/ia64/ia64.md (movxf): Move code to + ia64_expand_movxf_movrf. + (movrf, movrf_internal): New. + * ia64.c (ia64_invalid_conversion, ia64_invalid_unary_op, + ia64_invalid_binary_op, TARGET_INVALID_CONVERSION, + TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): New. + (spill_xfmode_operand): Rename to spill_xfmode_rfmode_operand. + Add mode parameter. Make static. + (ia64_expand_movxf_movrf): New, moved from ia64.md. Handle RFmode + as well as XFmode. + (ia64_function_arg, ia64_function_value, ia64_register_move_cost, + ia64_scalar_mode_supported_p): Handle RFmode as well as XFmode. + (ia64_init_builtins): Set up __fpreg as RFmode. + (ia64_mangle_fundamental_type): Mangle __fpreg as u7__fpreg. + +2005-06-28 Adrian Straetling + + * builtins.c: (expand_builtin_memset): Rewrite to support + 'set_storage_via_setmem'. + * expr.c: (enum insn_code setmem_optab): Define. + (enum insn_code clrmem_optab): Remove. + (set_storage_via_setmem): New function. + (clear_storage_via_setmem): Remove. + (clear_storage): Replace call to "clear_storage_via_clrmem" with + "set_storage_via_setmem". + * expr.h: (set_storage_via_setmem): Declare. + (CLEAR_RATIO): Redefine using HAVE_setmemM. + * optabs.h: (enum insn_code setmem_optab): Declare. + (enum insn_code clrmem_optab): Remove. + * optabs.c: (init_optabs): Initialize setmem_optab. + (enum insn_code clrmem_optab): Remove. + * genopinit.c: (otabs): Likewise. + * doc/md.texi: Document new standard pattern 'setmem'. Remove + 'clrmem'. + * config/alpha/alpha.c: (alpha_expand_block_clear): Adjust + 'operands' ordering. + * config/frv/frv.c: (frv_expand_block_clear): Likewise. + * config/rs6000/rs6000.c: (expand_block_clear): Likewise. + * config/alpha/alpha.md: ("clrmemqi", "clrmemdi"): Rename to "setmemM". + FAIL on operands[2]!=const0_rtx. Adjust 'operands' ordering. + * config/avr/avr.md: ("clrmemhi"): Likewise. + * config/frv/frv.md: ("clrmemsi"): Likewise. + * config/i386/i386.md: ("clrmemsi", "clrmemdi"): Likewise. + * config/pa/pa.md: ("clrmemsi", "clrmemdi"): Likewise. + * config/rs6000/rs6000.md: ("clrmemsi"): Likewise. + * config/s390/s390.md: ("clrmem"): Likewise. + +2005-06-28 Paul Brook + + * Makefile.in: Set and use UNWIND_H. Install as unwind.h. + * c-decl.c (finish_decl): Call default_init_unwind_resume_libfunc. + * except.c (add_ehspec_entry): Generate arm eabi filter lists. + (assign_filter_values): Ditto. + (output_ttype): New function. + (output_function_exception_table): Use output_ttype. Generate arm + eabi filter lists. + (default_init_unwind_resume_libfunc): New function. + * except.h (default_init_unwind_resume_libfunc): Add prototype. + * optabs.c (init_optabs): Don't set unwind_resume_libfunc. + * opts.c (decode_options): Use targetm.unwind_tables_default. + * target-def.h (TARGET_ASM_TTYPE): Provide and use definition. + (TARGET_ARM_EABI_UNWINDER, TARGET_UNWIND_TABLES_DEFAULT): Ditto. + * target.h (struct gcc_target): Add asm.ttype, unwind_tables_default + and arm_eabi_unwinder. + * unwind-c.c: Support Arm EABI unwinder. + * unwind.h: Rename ... + * unwind-generic.h: ... To this. + * doc/tm.texi (TARGET_ASM_TTYPE, TARGET_ARM_EABI_UNWINDER): Document. + (TARGET_UNWID_TABLES_DEFAULT): Document. + + * config/arm/arm-protos.h (arm_output_fn_unwind): Add prototype. + * config/arm/arm.c (arm_unwind_emit, arm_output_ttype): New functions. + (TARGET_UNWIND_EMIT, TARGET_ASM_TTYPE, TARGET_ARM_EABI_UNWINDER): + Define. + (thumb_pushpop, thumb_output_function_prologue): Output unwinding + directives. + (arm_unwind_emit_stm, arm_unwind_emit_set): New functions. + * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS): Only define when + !TARGET_UNWIND_INFO. + (ARM_OUTPUT_FN_UNWIND, ARM_EABI_UNWIND_TABLES): Define. + * config/arm/bpabi.h (TARGET_UNWIND_INFO): Define. + * config/arm/elf.h (ASM_DECLARE_FUNCTION_NAME, + ASM_DECLARE_FUNCTION_SIZE): Use ARM_OUTPUT_FN_UNWIND. + * config/arm/lib1funcs.asm: Include libunwind.S. + * config/arm/libgcc-bpabi.ver: Add unwinding routines. + * config/arm/libunwind.S: New file. + * config/arm/pr-support.c: New file. + * config/arm/t-bpabi (LIB1ASMFUNCS): Add _unwind. + (UNWIND_H, LIB2ADDEH, LIB2ADDEHDEP): Set. + * config/arm/t-symbian (UNWIND_H, LIB2ADDEH, LIB2ADDEHDEP): Set. + * config/arm/unwind-arm.c: New file. + * config/arm/unwind-arm.h: New file. + * config/i386/t-netware (USER_H): Remove unwind.h. + * config/ia64/ia64.h (TARGET_UNWIND_TABLES_DEFAULT): Define. + +2005-06-28 DJ Delorie + + * c-decl.c (pop_scope): Move warning control into warning call. + (diagnose_mismatched_decls): Likewise. + (pushdecl): Likewise. + (start_decl): Likewise. + (grokparms): Likewise. + (start_function): Likewise. + (store_parm_decls_newstyle): Likewise. + (store_parm_decls_oldstyle): Likewise. + (finish_function): Likewise. + (declspecs_add_scspec): Likewise. + * c-format.c (decode_format_attr): Likewise. + (maybe_read_dollar_number): Likewise. + (avoid_dollar_number): Likewise. + (finish_dollar_format_checking): Likewise. + (check_format_info): Likewise. + (check_format_info_main): Likewise. + (check_format_types): Likewise. + (format_type_warning): Likewise. + * c-typeck.c (function_types_compatible_p): Likewise. + (build_array_ref): Likewise. + (convert_arguments): Likewise. + (build_c_cast): Likewise. + (store_init_value): Likewise. + (process_init_element): Likewise. + (c_start_case): Likewise. + * stor-layout.c (finalize_record_size): Likewise. + * tree-cfg.c (execute_warn_function_noreturn): Likewise. + * tree-inline.c (expand_call_inline): Likewise. + +2005-06-28 Uros Bizjak + + PR target/22134 + * config/i386/i386.md (fist2_with_temp splitter): + Clobber memory operand, not scratch register. + +2005-06-28 Andreas Krebbel + + * config/s390/s390.c (machine_function): New field has_landing_pad_p. + (s390_set_has_landing_pad_p, s390_reg_clobbered_rtx, + s390_regs_ever_clobbered): New functions. + (s390_return_addr_rtx): Use get_hard_reg_initial_value. + (s390_register_info, s390_init_frame_layout, s390_update_frame_layout): + Use s390_regs_ever_clobbered. + (s390_emit_prologue): Don't use r14 as temp reg if its content is used + for builtin_return_address. + * config/s390/s390.md ("exception_receiver"): New expander. + * config/s390/s390-protos.h (s390_set_has_landing_pad_p): Prototype + added. + +2005-06-28 Andreas Krebbel + + * except.c (current_function_has_exception_handlers): Function + description added and if statements merged. + +2005-06-28 Richard Henderson + + * config/i386/sse.md (smaxv16qi3): Fix buffer overflow. + (sminv16qi3, umaxv8hi3, uminv8hi3): Likewise. + +2005-06-27 Richard Henderson + + * config/ia64/ia64.c (ia64_expand_vcondu_v2si): Generate proper + comparison operations. + (ia64_expand_vecint_minmax): Fix size of xops. + * config/ia64/vect.md (umax3): Fix fallback pattern typo. + (vec_shl_, vec_shr_): New. + +2005-06-27 Richard Henderson + + * tree-vect-transform.c (get_initial_def_for_reduction): Use correct + type for DEF and INIT_VAL. Pretend MIN/MAX need epilogue adjustment. + +2005-06-27 Richard Henderson + + * config/i386/sse.md (vec_shl_, vec_shr_): New. + (smaxv16qi3, umaxv8hi3, sminv16qi3, uminv8hi3): New. + +2005-06-27 Richard Henderson + + * tree-vect-transform.c (vect_create_epilog_for_reduction): Remove + duplicate little-endian adjustment. + +2005-06-28 Kelley Cook + + * doc/include/texinfo.tex: Import from upstream CVS. + +2005-06-28 Jan Hubicka + + * cgraph.c (cgraph_remove_node): Do not release function bodies until + full cgraph is built. + * cgraph.h (cgraph_decide_inlining_incrementally): Add early argument. + * cgraphunit.c (cgraph_finalize_function): Update call of + cgraph_decide_inlining_incrementally. + (initialize_inline_failed): Break out of ... + (cgraph_analyze_function): ... here. + (rebuild_cgraph_edges): New function. + (pass_rebuild_cgraph_edges): New pass. + * common.opt (fearly-inlining): New flag. + * ipa-inline.c: Include ggc.h + (cgraph_clone_inlined_nodes): Avoid re-using of original copy + when cgraph is not fully built. + (cgraph_decide_inlining_incrementally): Add early mode. + (cgraph_early_inlining): New function. + (cgraph_gate_early_inlining): Likewise. + (pass_early_ipa_inline): New pass. + * ipa.c (cgraph_postorder): NULLify aux pointer. + * tree-inline.c (expand_call_inline): Avoid warning early. + * tree-optimize.c (pass_early_local_passes): New. + (execute_cleanup_cfg_pre_ipa): New. + (pass_cleanup_cfg): New. + (register_dump_files): Fix handling subpasses of IPA pass. + (init_tree_optimization_passes): Add early passes. + (execute_ipa_pass_list): Fix handling of subpasses of IPA pass. + * passes.h (pass_early_tree_profile, pass_rebuild_cgraph_edges, + pass_early_ipa_inline): New passes. + * tree-profile.c (do_early_tree_profiling, pass_early_tree_profile): New. + + * invoke.texi: Document early-inlining. + +2005-06-28 Kelley Cook + + * doc/include/fdl.texi: Merge in changes from upstream. + * doc/include/gpl.texi: Likewise. + +2005-06-27 Diego Novillo + + PR 21959 + * tree-ssa-loop-niter.c (scev_probably_wraps_p): Handle type + casts between unsigned and signed types with different size + or precision. + +2005-06-28 Jan Hubicka + + * tree-optimize.c (exercute_free_datastructures): + Do not disband implicit edges; do not attempt to build insn list; + do not free cfg annotations. + (execute_free_cfg_annotations); Disband implicit edges here; + free cfg annotations here too. + (pass_free_cfg_annotations); New pass. + (init_tree_optimization_passes); Add pass_free_cfg_annotations. + * tree-ssa-operands.c (free_ssa_operands); Recover; export. + * tree-ssa-operands.h (free_ssa_operands); declare. + * tree-ssa.c (delete_tree_ssa); Free SSA operand; mark stmt modified; + kill PHI nodes. + * tree-ssanames.c (release_defs): Kill addresses_taken. + + * basic-block.h (basic_block_def): Kill rbi. + (reorder_block_def): Kill; Remove next field (replaced by aux); + move other fields to ... + (rtl_bb_info): ... here. + * bb-reorder.c (find_traces, rotate_loop, find_traces_1_round, + copy_bb, connect_traces, add_labels_and_missing_jumps + fix_up_fall_thru_edges, fix_crossing_conditional_branches, + duplicate_computed_gotos, partition_hot_cold_basic-blocks): + Update to new fields. + * cfg.c (initialize_bb_rbi): Kill. + * cfglayout.c (record_effective_endpoints, fixup_reorder_chain, + fixup_fallthru_exit_predecessor, cfg_layout_duplicate_bb): Update. + * cfgrtl.c (cfg_layout_create_basic_block): Do not initialize rbi. + (try_redirect_by_replacing_jump): Update rbi references. + (cfg_layout_split_block): Likewise. + (cfg_layout_delete_block): Likewise. + (cfg_layout_merge_blocks): Likewise. + * function.c (thread_prologue_and_epilogue_insns): Likewise. + * passes.c (rest_of_handle_sms): Likewise. + * tracer.c (seen, tail_duplicate, layout_superblocks): Likewise. + +2005-06-27 David Edelsohn + + * config/rs6000/rs6000.c (rs6000_file_start): Note PPC405 erratum + in verbose_asm output. + * config/rs6000/rs6000.h (PPC405_ERRATUM77): Bracket with + CONFIG_PPC405CR. + * config.gcc (powerpc with_which): Define CONFIG_PPC405CR for + 405cr. + +2005-06-27 Jakub Jelinek + + * builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6. + (DEF_LIST_INT_INT): Add for 4,0, 4,5, 5,0, 5,6. + (ATTR_NOTHROW_NONNULL_4, ATTR_NOTHROW_NONNULL_5): Define. + (ATTR_FORMAT_PRINTF_4_0, ATTR_FORMAT_PRINTF_4_5, + ATTR_FORMAT_PRINTF_5_0, ATTR_FORMAT_PRINTF_5_6): Define. + * builtins.c: Include tree-flow.h. + (expand_builtin_mempcpy, expand_builtin_memmove): Comment fixes. + (expand_builtin_object_size, expand_builtin_memory_chk, + maybe_emit_chk_warning, maybe_emit_sprintf_chk_warning, + compute_object_offset, compute_builtin_object_size, + fold_builtin_object_size): New functions. + (expand_builtin): Handle BUILT_IN_OBJECT_SIZE and BUILT_IN_*_CHK. + (fold_builtin_1): Likewise. Handle BUILT_IN_{,V}{,F}PRINTF + and BUILT_IN_{,F}PRINTF_UNLOCKED. + (fold_builtin_memory_chk, fold_builtin_stxcpy_chk, + fold_builtin_strncpy_chk, fold_builtin_strcat_chk, + fold_builtin_strncat_chk, fold_builtin_sprintf_chk, + fold_builtin_snprintf_chk, fold_builtin_printf, fold_builtin_fprintf): + New functions. + * builtins.def (BUILT_IN_OBJECT_SIZE, BUILT_IN_MEMCPY_CHK, + BUILT_IN_MEMMOVE_CHK, BUILT_IN_MEMPCPY_CHK, BUILT_IN_MEMSET_CHK, + BUILT_IN_STPCPY_CHK, BUILT_IN_STRCAT_CHK, BUILT_IN_STRCPY_CHK, + BUILT_IN_STRNCAT_CHK, BUILT_IN_STRNCPY_CHK, BUILT_IN_SNPRINTF_CHK, + BUILT_IN_SPRINTF_CHK, BUILT_IN_VSNPRINTF_CHK, BUILT_IN_VSPRINTF_CHK, + BUILT_IN_FPRINTF_CHK, BUILT_IN_PRINTF_CHK, BUILT_IN_VFPRINTF_CHK, + BUILT_IN_VPRINTF_CHK): New builtins. + * builtin-types.def (DEF_FUNCTION_TYPE_5, DEF_FUNCTION_TYPE_VAR_4): + Document. + (BT_FN_SIZE_CONST_PTR_INT, BT_FN_INT_INT_CONST_STRING_VALIST_ARG, + BT_FN_PTR_PTR_CONST_PTR_SIZE_SIZE, BT_FN_PTR_PTR_INT_SIZE_SIZE, + BT_FN_STRING_STRING_CONST_STRING_SIZE_SIZE, + BT_FN_INT_FILEPTR_INT_CONST_STRING_VALIST_ARG, + BT_FN_INT_STRING_INT_SIZE_CONST_STRING_VALIST_ARG, + BT_FN_INT_STRING_SIZE_INT_SIZE_CONST_STRING_VALIST_ARG, + BT_FN_INT_INT_CONST_STRING_VAR, BT_FN_INT_FILEPTR_INT_CONST_STRING_VAR, + BT_FN_INT_STRING_INT_SIZE_CONST_STRING_VAR, + BT_FN_INT_STRING_SIZE_INT_SIZE_CONST_STRING_VAR): New types. + * c-common.c (DEF_FUNCTION_TYPE_5, DEF_FUNCTION_TYPE_6, + DEF_FUNCTION_TYPE_VAR_4, DEF_FUNCTION_TYPE_VAR_5): Define. + * Makefile.in (OBJS-common): Add tree-object-size.o. + (tree-object-size.o): Add dependencies. + * tree-pass.h (pass_object_sizes): Add. + * tree-optimize.c (init_tree_optimization_passes): Add + pass_object_sizes. + * tree-object-size.c: New file. + * tree.h (fold_builtin_memory_chk, fold_builtin_stxcpy_chk, + fold_builtin_strncpy_chk, fold_builtin_snprintf_chk, + compute_builtin_object_size, init_object_sizes, fini_object_sizes): + New prototypes. + * tree-ssa-ccp.c (get_strlen): Rename to ... + (get_maxval_strlen): ...this function. Handle also computing of maximum + string length and maximum integral value. + (ccp_fold_builtin): Handle BUILT_IN_*_CHK. Use get_maxval_strlen + instead of get_strlen. Pass CALLEE and ARGLIST variables to the + folding functions instead of computing them again. + (execute_fold_all_builtins): Retry ccp_fold_builtin if a builtin changed + into some other builtin. + * doc/extend.texi (Object Size Checking): Document. + + * regrename.c (copy_value): Fix comment. + + * toplev.c (process_options): Use if (FRAME_GROWS_DOWNWARD) + instead of preprocessor conditionals. + + * targhooks.c (default_hidden_stack_protect_fail): Fall back to + default_external_stack_protect_fail if visibility is not supported + or not flag_pic. + * config/i386/i386.c (ix86_stack_protect_fail): New function. + (TARGET_STACK_PROTECT_FAIL): Define. + * config/i386/i386.md (stack_protect_si): Change CLOBBER into + SET to zero. + (stack_protect_di): Likewise. Use %k2 instead of %2 to avoid + invalid instruction xorl %rax, %rax. + +2005-06-27 Richard Henderson + + * c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__. + * cfgexpand.c: Include params.h. + (has_protected_decls, has_short_buffer): New. + (expand_stack_vars): Take a predicate to determine what to expand. + (defer_stack_allocation): True when flag_stack_protect on. + (SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New. + (SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New. + (stack_protect_classify_type, stack_protect_decl_phase): New. + (stack_protect_decl_phase_1, stack_protect_decl_phase_2): New. + (add_stack_protection_conflicts, create_stack_guard): New. + (expand_used_vars): Add stack protection logic. + (tree_expand_cfg): Likewise. + * common.opt (Wstack-protector): New. + (fstack-protector, fstack-protector-all): New. + * function.c: Include predict.h. + (assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect + wants to copy the parameter into the stack frame. + (stack_protect_prologue, stack_protect_epilogue): New. + (expand_function_end): Call stack_protect_epilogue. Do + sjlj_emit_function_exit_after after naked_return_label. + * function.h (struct function): Add stack_protect_guard. + * params.def (PARAM_SSP_BUFFER_SIZE): New. + * toplev.c (process_options): Disable flag_stack_protect and/or + warn_stack_protect based on FRAME_GROWS_DOWNWARD. + * tree.h (stack_protect_prologue): Declare. + + * target-def.h (TARGET_STACK_PROTECT_GUARD): New. + (TARGET_STACK_PROTECT_FAIL): New. + (TARGET_INITIALIZER): Add them. + * target.h (struct gcc_target): Add stack_protect_guard and + stack_protect_fail. + * targhooks.c: Include ggc.h, gty header. + (stack_chk_guard_decl, default_stack_protect_guard): New. + (stack_chk_fail_decl, default_external_stack_protect_fail): New. + (default_hidden_stack_protect_fail): New. + * targhooks.h (default_stack_protect_guard): Declare. + (default_external_stack_protect_fail): Declare. + (default_hidden_stack_protect_fail): Declare. + * config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New. + * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New. + (trap): Use ud2. + (conditional_trap, conditional_trap_1): Remove. + (stack_protect_set, stack_protect_set_si, stack_protect_set_di): New. + (stack_protect_test, stack_protect_test_si, stack_protect_test_di): New. + * doc/md.texi (stack_protect_set, stack_protect_test): New. + * doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New. + (TARGET_STACK_PROTECT_FAIL): New. + + * libgcc-std.ver (GCC_4.1.0): New. + * libgcc.h (__stack_chk_guard): Declare. + (__stack_chk_fail, __stack_chk_fail_local): Declare. + * libgcc2.c (L_stack_chk, L_stack_chk_local): New. + * mklibgcc.in (lib2funcs): Add them. + +2005-06-26 Kaveh R. Ghazi + + PR c/21911 + * c-common.c (check_function_sentinel): Pass in named argument + list, skip over named arguments before looking for a sentinel. + (check_function_arguments): Pass in named argument list. + * c-common.h (check_function_arguments): Likewise. + * c-typeck.c (build_function_call): Likewise. + +2005-06-26 Kaveh R. Ghazi + + * genautomata.c (decl_mode_check_failed, + regexp_mode_check_failed): Add noreturn attribute. + +2005-06-26 Kazu Hirata + + * cfg.c, tree-vect-transform.c, tree.def: Fix comment typos. + * doc/invoke.texi: Fix typos. + + * builtins.c, c-common.c, c-convert.c, c-decl.c, c-typeck.c, + convert.c, lambda-code.c, predict.c, tree-cfg.c, + tree-complex.c, tree-data-ref.c, tree-if-conv.c, + tree-mudflap.c, tree-scalar-evolution.c, tree-ssa-ccp.c, + tree-ssa-loop-ivcanon.c, tree-ssa-loop-ivopts.c, + tree-ssa-loop-manip.c, tree-ssa-phiopt.c, tree-ssa-pre.c, + tree-vect-analyze.c, tree-vect-transform.c, tree-vectorizer.c, + tree.c: Use fold_buildN instead of fold (buildN (...)). + +2005-06-26 Gerald Pfeifer + + * doc/install.texi (Specific): Do not specify the concrete + versions of GCC provided by Cygwin. Simplify the part on + building on Cygwin. + +2005-06-26 Kazu Hirata + + * config/arc/arc-protos.c: Remove the prototype for + arc_finalize_pic. + * config/arc/arc.c (arc_finalize_pic): Remove. + * config/arc/arc.h (FINALIZE_PIC): Likewise. + * config/bfin/bfin.h (FINALIZE_PIC): Likewise. + * config/rs6000/rs6000.h (FINALIZE_PIC): Likewise. + +2005-06-26 Jakub Jelinek + + PR middle-end/17965 + * calls.c (expand_call, emit_library_call_value_1): Use xmalloc/free + instead of alloca for really big argument sizes. + + PR middle-end/22028 + * gimplify.c (gimplify_type_sizes): Check for type == error_mark_node + earlier in the function. + + * regrename.c (copy_value): Don't replace fixed or global + regs with older regs. + + * defaults.h (FRAME_GROWS_DOWNWARD): Define to 0 if not defined. + * function.c (get_func_frame_size): Use if (FRAME_GROWS_DOWNWARD) + instead of preprocessor conditionals. + (assign_stack_local_1, assign_stack_temp_for_type): Likewise. + * cfgexpand.c (FRAME_GROWS_DOWNWARD): Don't redefine to 1 or 0 + depending on if it was or was not defined previously. + * doc/rtl.texi (VIRTUAL_STACK_VARS_REGNUM): Mention that only non-zero + definition of FRAME_GROWS_DOWNWARD means frame grows downward. + * doc/tm.texi (FRAME_GROWS_DOWNWARD): Likewise. + * config/m68hc11/m68hc11.h (FRAME_GROWS_DOWNWARD): Define to 0. Update + comment. + * config/pa/pa.h (FRAME_GROWS_DOWNWARD): Likewise. + * config/rs6000/rs6000.h (FRAME_GROWS_DOWNWARD): Likewise. + * config/stormy16/stormy16.h (FRAME_GROWS_DOWNWARD): Define to 0. + * config/c4x/c4x.h (FRAME_GROWS_DOWNWARD): Likewise. + * config/sh/sh.h (FRAME_GROWS_DOWNWARD): Likewise. + * config/ia64/ia64.h (FRAME_GROWS_DOWNWARD): Likewise. + * config/iq2000/iq2000.h (FRAME_GROWS_DOWNWARD): Likewise. + * config/pdp11/pdp11.h (FRAME_GROWS_DOWNWARD): Define to 1. Update + comment. + * config/i860/i860.h (FRAME_GROWS_DOWNWARD): Likewise. + * config/h8300/h8300.h (FRAME_GROWS_DOWNWARD): Likewise. + * config/arc/arc.h (FRAME_GROWS_DOWNWARD): Likewise. + * config/vax/vax.h (FRAME_GROWS_DOWNWARD): Likewise. + * config/sparc/sparc.h (FRAME_GROWS_DOWNWARD): Likewise. + * config/i386/i386.h (FRAME_GROWS_DOWNWARD): Likewise. + * config/fr30/fr30.h (FRAME_GROWS_DOWNWARD): Likewise. + * config/frv/frv.h (FRAME_GROWS_DOWNWARD): Likewise. + * config/mn10300/mn10300.h (FRAME_GROWS_DOWNWARD): Likewise. + * config/bfin/bfin.h (FRAME_GROWS_DOWNWARD): Likewise. + * config/ns32k/ns32k.h (FRAME_GROWS_DOWNWARD): Likewise. + * config/v850/v850.h (FRAME_GROWS_DOWNWARD): Likewise. + * config/alpha/alpha.h (FRAME_GROWS_DOWNWARD): Update comment. + * config/s390/s390.h (FRAME_GROWS_DOWNWARD): Likewise. + * config/arm/arm.h (FRAME_GROWS_DOWNWARD): Likewise. + * config/alpha/unicosmk.h (FRAME_GROWS_DOWNWARD): Define to 1. + * config/cris/cris.h (FRAME_GROWS_DOWNWARD): Likewise. + * config/m68k/m68k.h (FRAME_GROWS_DOWNWARD): Likewise. + * config/mmix/mmix.h (FRAME_GROWS_DOWNWARD): Likewise. + +2005-06-26 Kazu Hirata + + PR tree-optimization/22026 + * tree-vrp.c (extract_range_from_binary_expr): Drop to + VR_VARYING if a binary expression involving VR_ANTI_RANGE is + PLUS_EXPR, MINUS_EXPR, or unsigned MULT_EXPR. + +2005-06-26 Kazu Hirata + + * Makefile.in (OBJS-common): Remove duplicate object file + names. + +2005-06-25 Jan Hubicka + + * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Update profile. + * cfg.c (update_bb_profile_for_threading): Fix rescaling. + + * passes.c (rest_of_handle_branch_prob): Do not rebuild profiling info + when not neecesary + (rest_of_compilation): Fix conditional on branch prob pass. + * predict.c (tree_estimate_probability): Enable strip_builtin_expect + when not loop optimizing. + +2005-06-25 Bernd Schmidt + + * config/bfin/bfin.md (ror_one, rol_one, ashrdi3, ashldi3, lshrdi3): + New patterns. + (movbi): Add alternative to set CC to zero. + (compare_eq, compare_ne, compare_le, compare_lt, compare_leu, + compare_ltu): Now named patterns. + +2005-06-25 Kelley Cook + + * all files: Update FSF address in copyright headers. + +2005-06-25 Kelley Cook + + * gengtype.c: Update FSF address in copyright header. + (create_file): Update FSF in outputed copyright header. + +2005-06-24 Kazu Hirata + + * cfglayout.c (block_locators_locs, line_locators_locs, + line_locators_lines, file_locators_locs): Change the type to + VEC(int,heap)*. + (insn_locators_initialize, change_scope, insn_scope, + locator_line, insn_line, locator_file): Use VEC instead of + VARRAY. + +2005-06-24 Jason Merrill + + * tree-nrv.c (tree_nrv): Fix to check assignments to the + RESULT_DECL rather than just RETURN_EXPRs. + (finalize_nrv_r): Adjust. + +2005-06-24 Jan Hubicka + + * tree-optimize.c (init_tree_optimization_passes): Fix flags of + all_passes and all_ipa_passes. + + * c-common.c: Include cgraph.h + (handle_externally_visible_attribute): New function. + (c_common_att): Add "externally_visible" attribute. + * cgraph.c (decide_is_variable_needed): Obey externally + visible flag. + (cgraph_varpool_finalize_decl): Avoid redundant checking. + * cgraph.h (struct cgraph_node): New flag externally_visible. + (decide_is_function_needed): Obey externally visible flag. + (cgraph_finalize_function): Avoid redundant checks. + (cgraph_function_and_variable_visibility): Bring symbols local + when asked for. + * common.opt (fwhole-program): New flag. + + * doc/invoke.texi (-fwhole-program): Document. + +2005-06-24 Mark Mitchell + + PR 22171 + * tree-ssa-operands.c (get_expr_operands): Check s_ann for NULL + before use. + +2005-06-23 Mark Mitchell + + PR 22000 + * tree-ssa-operands.c (get_expr_operands): Check the volatility of + the FIELD_DECL and set s_ann->has_volatile_ops accordingly. + +2005-06-24 Jan Hubicka + + * opts.c (decode_options): Enable unit-at-a-time by default at -O1. + +2005-06-23 Jeff Law + + * tree-optimize.c (init_tree_optimization_passes): Move + copy prop pass to run just before VRP. + * tree-vrp.c (remove_range_assertions): Remove copies created + by ASSERT_EXPR removal. + +2005-06-23 Kazu Hirata + + PR tree-optimization/22117 + * tree-vrp.c (extract_range_from_binary_expr): Compute a + correct range when adding two pointers. + +2005-06-23 Jason Merrill + + PR c++/19317 + Leave the return slot target in the MODIFY_EXPR rather than making + it an argument, but only use it if the CALL_EXPR has a flag set. + * tree.h (CALL_EXPR_HAS_RETURN_SLOT_ADDR): Rename to + CALL_EXPR_RETURN_SLOT_OPT. + * calls.c (expand_call): Adjust. + * tree-inline.c (expand_call_inline): Adjust. + * tree-pretty-print.c (dump_generic_node): Adjust. + + And set the flag as appropriate. + * gimplify.c (gimplify_modify_expr_rhs): Set + CALL_EXPR_HAS_RETURN_SLOT_ADDR where the LHS is obviously safe. + * tree-nrv.c (execute_return_slot_opt): Set + CALL_EXPR_HAS_RETURN_SLOT_ADDR based on escape analysis. + * tree-pass.h: Declare pass_return_slot. + * tree-optimize.c (init_tree_optimization_passes): Add it. + +2005-06-23 David Edelsohn + + PR target/21760 + * config/rs6000/rs6000.h (PPC405_ERRATUM77): New. + * config/rs6000/rs6000.md: Move atomic instructions to ... + * config/rs6000/sync.md: Here. + Change sync_compare_and_swap to define_expand. All stwcx + patterns test PPC405_ERRATUM77. + +2005-06-23 Jan Hubicka + + * tree-inline.c (copy_body_r): Remap labels correctly. + +2005-06-22 Alan Modra + + * config/rs6000/sysv4.h (TARGET_ASM_EXCEPTION_SECTION): Delete. + +2005-06-22 Richard Kenner + + PR middle-end/20593 + * varasm.c (compute_reloc_for_constant): Treat VIEW_CONVER_EXPR + the same as the other cast operands. + (output_addressed_constants): Likewise. + +2005-06-21 Jeff Law + + * tree-vrp.c (extract_range_from_unary_expr): Handle type + conversions better. + +2005-06-21 Dorit Nuzman + + * genopinit.c (vec_shl_optab, vec_shr_optab): Initialize new optabs. + (reduc_plus_optab): Removed. Replcaed with... + (reduc_splus_optab, reduc_uplus_optab): Initialize new optabs. + * optabs.c (optab_for_tree_code): Return reduc_splus_optab or + reduc_uplus_optab instead of reduc_plus_optab. + (expand_vec_shift_expr): New function. + (init_optabs): Initialize new optabs. Remove initialization of + reduc_plus_optab. + (optab_for_tree_code): Return vec_shl_optab/vec_shr_optab + for VEC_LSHIFT_EXPR/VEC_RSHIFT_EXPR. + * optabs.h (OTI_reduc_plus): Removed. Replaced with... + (OTI_reduc_splus, OTI_reduc_uplus): New. + (reduc_plus_optab): Removed. Replcaed with... + (reduc_splus_optab, reduc_uplus_optab): New optabs. + (vec_shl_optab, vec_shr_optab): New optabs. + (expand_vec_shift_expr): New function declaration. + + * tree.def (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR): New tree-codes. + * tree-inline.c (estimate_num_insns_1): Handle new tree-codes. + * expr.c (expand_expr_real_1): Handle new tree-codes. + * tree-pretty-print.c (dump_generic_node, op_symbol, op_prio): Likewise. + * tree-vect-generic.c (expand_vector_operations_1): Add assert. + + * tree-vect-transform.c (vect_create_epilog_for_reduction): Add two + alternatives for generating reduction epilog code. + (vectorizable_reduction): Don't fail of direct reduction support is + not available. + (vectorizable_target_reduction_pattern): Likewise. + + * config/rs6000/altivec.md (reduc_smax_v4si, reduc_smax_v4sf, + reduc_umax_v4si, reduc_smin_v4si, reduc_smin_v4sf, reduc_umin_v4si, + reduc_plus_v4si, reduc_plus_v4sf): Removed. + (vec_shl_, vec_shr_, altivec_vsumsws_nomode, + reduc_splus_, reduc_uplus_v16qi): New. + +2005-06-20 Daniel Berlin + + * c-typeck.c (build_function_call): Set fundecl = function again. + * tree-ssa-alias.c (find_used_portions): Address taking causes the + entire variable to be used. + * tree-ssa-structalias.c (do_structure_copy): Fix handling of + unknown size variables, and structure copies from addressof + operations. Simplify how we do *a = *b type structure copies. + (init_base_vars): Add ANYTHING = &ANYTHING constraint the right + way. READONLY's address is not taken by default. + INTEGER dereference should point to anything. + (create_variable_info_for): It's okay for the first field to not start + at 0. + +2005-06-20 Kaz Kojima + + config/sh/linux.h (FUNCTION_PROFILER): Constify a char*. + +2005-06-20 Roger Sayle + Fariborz Jahanian + + * combine.c (simplify_set): Simplify setting of CC register + by removing redundant compare with 0 on RHS. + +2005-06-20 Jan Beulich + + * config/i386/netware-libgcc.def: Update copyright. + * config/i386/netware-libgcc.exp (__divdc3, __divsc3, __divxc3, + __muldc3, __mulsc3, __mulxc3, __powidf2, __powisf2, __powixf2): Add. + * config/i386/netware.c (gen_stdcall_decoration, + gen_fastd_decoration): Merge into ... + (gen_stdcall_or_fastcall_decoration): ... this. Adjust to match + WinNT's changes. + (gen_regparm_prefix): Adjust to match i386_nlm_encode_section_info. + (i386_nlm_encode_section_info): Adjust to match WinNT's changes. + * config/i386/t-nwld (SHLIB_LINK): Also create libgcc.imp alias of + libgcc_s.imp. Use 'expr' rather than $(()) shell expressions. + * gthr-nks.h (__gthread_objc_mutex_allocate): Kill another dubious + use of NX_MUTEX_RECURSIVE. + +2005-06-19 Roger Sayle + + * fold-const.c (swap_tree_comparison): Add support for unordered + floating point comparisons. + * tree-vrp.c (opposite_comparison): Delete. + (extract_range_from_assert): Replace calls to opposite_comparison + with calls to swap_tree_comparison. + (register_edge_assert_for): Likewise. + (vrp_evaluate_conditional): Likewise. + +2005-06-20 Kaz Kojima + + * integrate.c (allocate_initial_values): Update the references + to global_live_at_start and global_live_at_end. + +2005-06-20 Jan Hubicka + + * cfgloop.h (DLTHE_RECORD_COPY_NUMBER): New flag. + * cfgloopmanip.c (duplicate_loop_to_header_edge): Set aux flags only + when asked for. + * loop-unroll.c (peel_loop_completely, unroll_loop_constant_iterations, + unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid): + Update call of duplicate_loop_to_header_edge. + (apply_opt_in_copies): Clear out aux pointers. + +2005-06-19 Joseph S. Myers + + * config/i386/i386.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define. + (ix86_mangle_fundamental_type): New. + * config/ia64/ia64.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define. + (ia64_mangle_fundamental_type): New. + +2005-06-19 Roger Sayle + + * c-decl.c (grokdeclarator): Only check TREE_OVERFLOW on + INTEGER_CST nodes. + * c-typeck.c (build_c_cast): Only preserve TREE_OVERFLOW on + CONSTANT_CLASS_P nodes. + +2005-06-19 Richard Henderson + + * config/ia64/vect.md (vec_extractv2sf_1): Fix cut-and-paste error; + the shift is always required. + +2005-06-19 Richard Henderson + + * config/ia64/ia64-modes.def (V4SF): Add. + * config/ia64/ia64.c (ia64_legitimate_constant_p): Handle CONST_VECTOR. + * config/ia64/ia64.h (CANNOT_CHANGE_MODE_CLASS): Allow vector to + integer mode changes in fp regs. + * config/ia64/ia64.md (UNSPEC_VECT_EXTR): New. + * config/ia64/vect.md (smaxv2sf3, sminv2sf3): Fix typos in names. + (reduc_plus_v2sf, reduc_smax_v2sf, reduc_smin_v2sf): New. + (vcondv2sf): Use gen_fpack + (fpack): Remove * from name. + (fswap, fmix_l, fmix_r, fmix_lr): New. + (vec_setv2sf, vec_extractv2sf_0_le, vec_extractv2sf_0_be): New. + (vec_extractv2sf_1, vec_extractv2sf): New. + +2005-06-19 Andreas Krebbel + + * combine.c (make_compound_operation): Use simplify_subreg. Delete + a optimization already done by simplify_subreg. + +2005-06-19 Ulrich Weigand + + * loop.c (scan_loop): Do not consider insns setting the frame + pointer to be candidates for hoisting. + +2005-06-19 Uros Bizjak + + * config/i386/i386.md (*cmpfp_0_sf, *cmpfp_0_df, cmpfp_0_xf): + Remove instruction patterns. + (*cmpfp_0): New instruction pattern. Set "unit" attribute to "i387". + (*cmpfp_sf, *cmpfp_df, *cmpfp_xf, *cmpfp_u, *_cmpfp_): + Set "unit" attribute to "i387". + (*pushsf, *pushsf_rex64, *pushdf_nointeger, *pushdf_integer) + (*pushxf_nointeger, *pushxf_integer): Set "unit" attribute to "i387" + for alternative 0. + (*truncdfsf_mixed, *truncdfsf_i387, *truncxfsf2_mixed) + (*truncxfsf2_i387, *truncxfdf2_mixed, *truncxfdf2_i387): Set "unit" + attribute to "i387" when "type" attribute equals "multi". + (*floathisf2_i387, *floatsisf2_mixed, *floatsisf2_i387) + (*floatdisf2_mixed, *floatdisf2_i387, *floathidf2_i387) + (*floatsidf2_mixed, *floatsidf2_i387, *floatdidf2_mixed) + (*floatdidf2_i387, floathixf2, floatsixf2, floatdixf2): Set "unit" + attribute to "i387" when "type" attribute equals "multi". + * config/i386/mmx.md (*mov_internal_rex64) + (*mov_internal, *movv2sf_internal_rex64, *movv2sf_internal): + Set "unit" attribute to "mmx" when "type" attribute equals "ssecvt". + (mmx_pmovmskb): Correct wrong "type" and "mode" attributes. + * config/i386/sse.md (sse_cvtps2pi, sse_cvttps2pi, sse_cvtpd2di) + (sse_cvttpd2pi): Set "unit" attribute to "mmx". + (sse2_cvtpi2pd): Split register constraints. Set "unit" attribute + to "mmx" for "y" operand 1. + +2005-06-19 Uros Bizjak + + * config/i386/i386.c (ix86_function_arg_regno_p): Add MMX_REGNO_P + for TARGET_MMX. Use MMX_REGPARM_MAX and SSE_REGPARM_MAX for MMX + and SSE registers to determine if regno is valid. + (ix86_function_value_regno_p): Depend FIRST_FLOAT_REG on + TARGET_FLOAT_RETURNS_IN_80387 also for TARGET_64BIT. Clean up. + +2005-06-18 Richard Henderson + + * tree-complex.c (init_dont_simulate_again): Clear DONT_SIMULATE_AGAIN + for control-altering statements; set it again for returns. + (complex_visit_stmt): Return SSA_PROP_VARYING for stmts that are + not MODIFY_EXPR. + +2005-06-18 Richard Henderson + + PR tree-opt/22116 + * tree-ssa-pre.c (create_expression_by_pieces): Set + DECL_COMPLEX_GIMPLE_REG_P. + (insert_into_preds_of_block): Likewise. + +2005-06-18 Steven Bosscher + + * Makefile.in: Fix tree-cfgcleanup.c dependencies. + +2005-06-18 Richard Henderson + + * expr.c (store_constructor): Use store of 0 to indicate value + death instead of a clobber. + + * config/i386/i386.c (ix86_expand_reduc_v4sf): New. + * config/i386/i386-protos.h (ix86_expand_reduc_v4sf): Declare. + * config/i386/sse.md (reduc_plus_v4sf): New. + (reduc_smax_v4sf, reduc_smin_v4sf): New. + +2005-06-18 James A. Morrison + + * fold_const (fold_binary): Fold X % (2**N) to X & (2**N - 1) for + nonnegative values of X. + +2005-06-18 Uros Bizjak + + * doc/md.texi (Standard Names): Change insn pattern name + from truncM2 to btruncM2 for 'trunc' built-in description. + Add rintM2 insn pattern description. + +2005-06-18 Kaveh R. Ghazi + + * c-decl.c (locate_old_decl): Add format attribute. + (implicit_decl_warning): Likewise. + + * diagnostic.h (verbatim): Move ... + * toplev.h (verbatim): ... here. Add ATTRIBUTE_GCC_DIAG. + * pretty-print.h (pp_verbatim): Add ATTRIBUTE_GCC_PPDIAG. + +2005-06-18 Roger Sayle + + PR target/22083 + * config/rs6000/aix51.h (TARGET_C99_FUNCTIONS): Remove definition. + +2005-06-18 Dorit Nuzman + + * tree.def (REDUC_MAX_EXPR, REDUC_MIN_EXPR, REDUC_PLUS_EXPR): New + tree-codes. + * optabs.h (OTI_reduc_smax, OTI_reduc_umax, OTI_reduc_smin, + OTI_reduc_umin, OTI_reduc_plus): New optabs for reduction. + (reduc_smax_optab, reduc_umax_optab, reduc_smin_optab, reduc_umin_optab, + reduc_plus_optab): New optabs for reduction. + * expr.c (expand_expr_real_1): Handle new tree-codes. + * tree-inline.c (estimate_num_insns_1): Handle new tree-codes. + * tree-pretty-print.c (dump_generic_node, op_prio, op_symbol): Handle + new tree-codes. + * optabs.c (optab_for_tree_code): Handle new tree-codes. + (init_optabs): Initialize new optabs. + * genopinit.c (optabs): Define handlers for new optabs. + + * tree-vect-analyze.c (vect_analyze_operations): Fail vectorization in + case of a phi that is marked as relevant. Call vectorizable_reduction. + (vect_mark_relevant): Phis may be marked as relevant. + (vect_mark_stmts_to_be_vectorized): The use corresponding to the + reduction variable in a reduction stmt does not mark its defining phi + as relevant. Update documentation accordingly. + (vect_can_advance_ivs_p): Skip reduction phis. + * tree-vect-transform.c (vect_get_vec_def_for_operand): Takes + additional argument. Handle reduction. + (vect_create_destination_var): Update call to vect_get_new_vect_var. + Handle non-vector argument. + (get_initial_def_for_reduction): New function. + (vect_create_epilog_for_reduction): New function. + (vectorizable_reduction): New function. + (vect_get_new_vect_var): Handle new vect_var_kind. + (vectorizable_assignment, vectorizable_operation, vectorizable_store, + vectorizable_condition): Update call to vect_get_new_vect_var. + (vect_transform_stmt): Call vectorizable_reduction. + (vect_update_ivs_after_vectorizer): Skip reduction phis. + (vect_transform_loop): Skip if stmt is both not relevant and not live. + * tree-vectorizer.c (reduction_code_for_scalar_code): New function. + (vect_is_simple_reduction): Was empty - added implementation. + * tree-vectorizer.h (vect_scalar_var): New enum vect_var_kind value. + (reduc_vec_info_type): New enum vect_def_type value. + * config/rs6000/altivec.md (reduc_smax_v4si, reduc_smax_v4sf, + reduc_umax_v4si, reduc_smin_v4si, reduc_umin_v4sf, reduc_smin_v4sf, + reduc_plus_v4si, reduc_plus_v4sf): New define_expands. + + * tree-vect-analyze.c (vect_determine_vectorization_factor): Remove + ENABLE_CHECKING around gcc_assert. + * tree-vect-transform.c (vect_do_peeling_for_loop_bound, + (vect_do_peeling_for_alignment, vect_transform_loop, + vect_get_vec_def_for_operand): Likewise. + +2005-06-18 Joseph S. Myers + + * config/ia64/ia64.c (ia64_function_arg): Set up a PARALLEL for a + big-endian unnamed __float80 value. + +2005-06-18 Richard Henderson + + PR tree-opt/22103 + * tree-sra.c (generate_copy_inout): Handle SSA_NAME complex + destinations. + +2005-06-17 Richard Henderson + + * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Use + initialize_original_copy_tables and free_original_copy_tables. + (vect_do_peeling_for_alignment): Likewise. + +2005-06-17 Pat Haugen + + * bb-reorder.c (find_traces_1_round): Use succ block frequency + instead of edge frequency for calls to better_edge_p. + +2005-06-17 Andrew Pinski + + PR tree-opt/22105 + * tree-ssa-loop-im.c (for_each_index): Handle COMPLEX_CST. + +2005-06-17 Steve Ellcey + + PR target/19889 + * config/ia64/hpux.h (FUNCTION_PROFILER): New (dummy). + (PROFILE_HOOK): New. + (PROFILE_BEFORE_PROLOGUE): Undef. + (NO_PROFILE_COUNTERS): New. + * config/ia64/ia64-protos.h (ia64_profile_hook): New. + * config/ia64/ia64.c (ia64_compute_frame_size): Add ifdef. + (gen_mcount_func_rtx): New. + (ia64_profile_hook): New. + * config/ia64/ia64.md (ip_value): New. + +2005-06-17 Devang Patel + + * config/rs6000/predicates.md (s5bit_cint_operand, + u5bit_cint_operand): New. + * config/rs6000/altivec.md (altivec_vspltb, altivec_vsplth, + altivec_vspltisw_v4sf): Use new 5 bit constant operand predicates. + * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Fix signed + 5 bit constant check. + +2005-06-17 Richard Henderson + + * local-alloc.c (update_equiv_regs): Update reg_equiv_init + properly when moving an initialization insn. + +2005-06-17 Paolo Bonzini + + * aclocal.m4 (gcc_AC_CHECK_TOOL): Do not overwrite the + passed variable. + * configure.ac: Regenerate. + +2005-06-17 Jan Hubicka + + * tree-optimize.c (execute_ipa_pass_list): New. + (ipa_passes): Use it. + +2005-06-16 Richard Henderson + + PR tree-opt/22022 + * tree-complex.c (update_phi_components): Avoid no-op moves. + +2005-06-16 Joseph S. Myers + + * Makefile.in (cc1-checksum.c): Use + build/genchecksum$(build_exeext), not build/genchecksum$(exeext). + +2005-06-16 Geoffrey Keating + + * gengtype.c (adjust_field_rtx_def): Don't add a skip to + basic_block types. + + * config/t-slibgcc-darwin (SHLIB_SOVERSION): Rename from + SHLIB_MINOR. + (SHLIB_REVISION): Delete. + (SHLIB_VERSTRING): Update to compensate. + (SHLIB_SONAME): Just use one '.' in the name. + +2005-06-16 Eric Botcazou + + PR tree-optimization/22018 + * tree-vrp.c (vrp_int_const_binop): Overhaul handling of overflow. + +2005-06-16 Richard Henderson + + PR tree-opt/22035 + * builtins.c (fold_builtin_complex_mul): Remove. + (fold_builtin_complex_div): Remove. + (fold_builtin_1): Don't call them. + * fold-const.c (fold_complex_add, fold_complex_mult_parts, + fold_complex_mult, fold_complex_div_parts, fold_complex_div): Remove. + (fold_binary): Don't call them. Don't expand complex comparisons to + elementary comparisons. + * tree-complex.c (init_dont_simulate_again): Enhance search for + stmts that require decomposition. + (complex_visit_stmt): Handle RETURN_EXPR properly. + (create_components): Handle no referenced variables properly. + * tree.h (fold_complex_mult_parts): Remove. + (fold_complex_div_parts): Remove. + +2005-06-16 Richard Guenther + + * doc/extend.texi: Document sseregparm target attribute. + Clarify fastcall and regparm documentation. + * config/i386/i386.h: Adjust float_in_sse documentation. + * config/i386/i386.c: Add new target attribute sseregparm. + (ix86_handle_cdecl_attribute, ix86_handle_regparm_attribute): + Merge into ... + (ix86_handle_cconv_attribute): ... here. Also handle + sseregparm attribute. + (ix86_comp_type_attributes): Compare sseregparm attributes. + (ix86_function_sseregparm): New function, split out from ... + (init_cumulative_args): ... here. Use to decide use + of SSE registers and error in case of missing support. + (ix86_value_regno): Likewise. + (function_arg_advance): Do not bail out for DFmode if we need + to pass doubles in registers. + (function_arg): Likewise. + +2005-06-16 Paolo Bonzini + Daniel Jacobowitz + Alan Modra + + * configure.ac (gcc_version): Set near the beginning. + (as, ld, nm): Do not link in-tree tools. Set gcc_cv_* if tools are + found in the tree. Use gcc_AC_PROG to find the tools in the system. + (objdump): Do not look for it. + * Makefile.in (NM_FOR_TARGET): Point to ./nm + (ORIGINAL_AS_FOR_TARGET, ORIGINAL_LD_FOR_TARGET, + ORIGINAL_NM_FOR_TARGET): Substitute from autoconf. + (as, ld, nm): New rules. + (libgcc.mk): Depend on them. + * aclocal.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL, + gcc_AC_BUILD_EXEEXT): New. + (gcc_AC_CHECK_PROG_VER): Use gcc_AC_BUILD_EXEEXT. + * configure: Regenerate. + +2005-06-16 Jan Hubicka + + * basic-block.h (rtl_bb_info): Break out head_, end_, + global_live_at_start, global_live_at_end from ... + (basic_block_def): ... here; update all references + (BB_RTL): New flag. + (init_rtl_bb_info): Declare. + * cfgexpand.c (expand_gimple_basic_block): Init bb info, set BB_RTL + flag. + * cfgrtl.c: Include ggc.h + (create_basic_block_structure): Init bb info. + (rtl_verify_flow_info_1): Check BB_RTL flag and rtl_bb_info pointer. + (init_rtl_bb_info): New function. + (rtl_merge_block, cfglayout_merge_block): Copy global_live_at_end here. + * cfghooks.c (merge_block): Do not copy global_live_at_end here. + * cfg.c (clear_bb_flags): Skip BB_RTL flag. + (dump_flow_info): Gueard global_live_* dumping. + + * Makefile.in (cfg.o): Add new dependencies. + * basic-block.h (reorder_block_def): Kill + original/copy/duplicated/copy_number fields. + (BB_DUPLICATED): New flag. + (initialize_original_copy_tables, free_original_copy_tables, + set_bb_original, get_bb_original, set_bb_copy, get_bb_copy): New. + * cfg.c: Include hashtab.h and alloc-pool.h + (bb_original, bb_copy, original_copy_bb_pool): New static vars. + (htab_bb_copy_original_entry): New struct. + (bb_copy_original_hash, bb_copy_original_eq): New static functions. + (initialize_original_copy_tables, free_original_copy_tables, + set_bb_original, get_bb_original, set_bb_copy, get_bb_copy): New + global functions. + * cfghooks.c (duplicate_block): Update original/copy handling. + * cfglayout.c (fixup_reorder_chain): Likewise. + (cfg_layout_initialize): Initialize orignal_copy tables. + (cfg_layout_finalize): FInalize original_copy tables. + (can_copy_bbs_p): Use BB_DUPLICATED flag. + (copy_bbs): Likewise. + * cfgloopmanip.c (update-single_exits_after_duplication): Likewise. + (duplicate_loop_to_header_edge): Likewise; update handling of + copy_number. + (loop_version): Likewise. + * dominance.c (get_dominated_by_region): Use BB_DUPLICATED_FLAG. + * except.c (expand_resx_expr): Check that reg->resume is not set. + * loop-unroll.c (unroll_loop_constant_iterations, + unroll_loop_runtime_iterations, apply_opt_in_copies): Update + copy/original handling. + * loop-unwitch.c (unswitch_loop): Likewise. + * tree-cfg.c (create_bb): Do not initialize RBI. + (disband_implicit_edges): Do not kill RBI. + (add_phi_args_after_copy_bb): Use new original/copy mapping. + (add_phi_args_after_copy): Use BB_DUPLICATED flag. + (tree_duplicate_sese_region): Update original/copy handling. + * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise. + * tree-ssa-loop-manip.c (copy_phi_node_args): Likewise. + * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Likewise. + +2005-06-15 Andrew Pinski + + PR tree-opt/21923 + * tree-ssa.c (tree_ssa_useless_type_conversion_1): Conversions between + integer types whos ranges are different are not useless. + +2005-06-15 Andrew Pinski + + PR tree-opt/22024 + * tree-ssa-reassoc.c (init_reassoc): Also give chain decl a distint + rank. + +2005-06-15 Diego Novillo + + * tree-ssa-structalias.c (dump_solution_for_var): Reformat + output. + (dump_sa_points_to_info): Make extern. + (debug_sa_points_to_info): New. + * tree-ssa-structalias.h (TREE_SSA_STRUCTALIAS_H): Rename from + TREE_ALIAS_COMMON. + (dump_sa_points_to_info): Declare. + (debug_sa_points_to_info): Declare. + +2005-06-15 Joseph S. Myers + + * c-tree.h (default_function_array_conversion): Declare. + * c-typeck.c (default_function_array_conversion): Export. Correct + comment. + (default_conversion): Do not call + default_function_array_conversion. Do not allow FUNCTION_TYPE. + (build_function_call): Call default_function_array_conversion on + the function. + (convert_arguments): Do not call it on the function arguments. + (build_unary_op): Do not allow ARRAY_TYPE or FUNCTION_TYPE for + TRUTH_NOT_EXPR. Call default_function_array_conversion for taking + address of ARRAY_REF. + (build_compound_expr): Do not call + default_function_array_conversion. + (build_c_cast): Do not call default_function_array_conversion. + (convert_for_assignment): Do not call default_conversion. + (digest_init): Call default_function_array_conversion to convert + string constants and compound literals to pointers, but not + otherwise. + (output_init_element): Likewise. + (build_asm_expr): Do not call default_function_array_conversion. + (c_process_expr_stmt): Likewise. + (c_objc_common_truthvalue_conversion): Likewise. Do not allow + FUNCTION_TYPE. + * c-parser.c (c_parser_expression_conv): New. + (c_parser_asm_operands, c_parser_expr_list): Add convert_p + argument. All callers changed. Call + default_function_array_conversion if convert_p. + (c_parser_initializer, c_parser_initval): Call + default_function_array_conversion except for string constants and + compound literals. + (c_parser_initelt): Call default_function_array_conversion for + ObjC expression received. + (c_parser_statement_after_labels): Call c_parser_expression_conv + for return and expression statements. + (c_parser_paren_condition, c_parser_for_statement, + c_parser_conditional_expression): Call c_parser_expression_conv. + (c_parser_expr_no_commas, c_parser_conditional_expression, + c_parser_binary_expression, c_parser_cast_expression, + c_parser_unary_expression): Call + default_function_array_conversion. + +2005-06-15 Diego Novillo + + * tree-vrp.c (vrp_int_const_binop): Do not handle MAX_EXPR + when the result overflows. + +2005-06-15 David Ung + + * config/mips/mips.c (mips_rtx_cost_data): Add cost for 4kc, 4kp, + 24k and 24kx. + +2005-06-15 Richard Sandiford + + * doc/invoke.texi (-mips16): Fix typo. + +2005-06-15 David Ung + + * config/mips/mips.h (GENERATE_MIPS16E): New definition. + * config/mips/mips.md (zero_extend2): + Changed expand condition to exclude generating of "and" if + GENERATE_MIPS16E is true. + (*zero_extend2_mips16e): New pattern for + matching mips16e zeb/zeh. + (*extend2_mips16e): New pattern for matching + mips16e seb/seh. + (*extend2): Disable this pattern for + GENERATE_MIPS16E. + * doc/invoke.texi (MIPS Options): Add comment to -mips16 + indicating MIPS16e ASE is used if targetting for MIPS32 or MIPS64. + +2005-06-15 Diego Novillo + + PR 22018 + * tree-vrp.c (vrp_int_const_binop): New. + (extract_range_from_binary_expr): Call it. + Unify handling division and multiplication. + +2005-06-15 Aldy Hernandez + + * c-common.h (same_scalar_type_ignoring_signedness): Protoize. + + * c-common.c (same_scalar_type_ignoring_signedness): New. + + * c-typeck.c (build_binary_op): Check compatability of vector + types. Move error report after switch. + Do not clobber code[01] on *_DIV_EXPR case. + + * testsuite/gcc.dg/simd-1.c: Update error messages. + * testsuite/gcc.dg/simd-1b.c: Re-enable tests. Update error + messages. + * testsuite/gcc.dg/simd-2.c: Update error messages. + * testsuite/gcc.dg/simd-4.c: New. + +2005-06-15 Bernd Schmidt + + * Makefile.in (local-alloc.o): Depend on $(GGC_H) and reload.h. + * local-alloc.c: Include "ggc.h" and "reload.h". + (struct equivalence): New member is_arg_equivalence. + (local_alloc): Always call update_equiv_regs. + (update_equiv_regs): Allocate reg_equiv_init; set reg_equiv_init_size. + Detect equivalences made by stores to memory in a second pass. + Return early if not optimizing. + Initialize reg_equiv_init for all equivalences; treat equivalences for + REG_EQUIV notes existing before this pass specially. + (no_equiv): Don't clear reg_equiv_init or remove notes if the + is_arg_equivalence field is set. + * reload.h (reg_equiv_init, reg_equiv_init_size): Declare. + * reload1.c (reg_equiv_init): No longer static. + (reg_equiv_init_size): New variable. + (reload): Don't allocate reg_equiv_init; don't free it when done but + clear it. + Restructure equivalence set up code not to set reg_equiv_init, but to + clear it when we can't use an equivalence. + Undo change disabling equivalences for MEM_READONLY_P memrefs. + Dump equivalencing insns to dump_file. + +2005-06-14 Richard Sandiford + + * config/mips/mips.c (machine_function): Add varargs_size field. + (mips_setup_incoming_varargs): Store the amount of extra stack space + there rather than in *pretend_size. When saving registers, always + expect virtual_incoming_args_rtx to point to the start of the + pretend arguments. + (mips_va_start): Remove alignment hack. Handle all + !EABI_FLOAT_VARARGS_P cases in the same way. + (compute_frame_size): Handle varargs_size. Remove the redundant + !TARGET_OLDABI condition in the handling of pretend_args_size. + (mips_initial_elimination_offset): Remove the now-redundant check + of TARGET_NEWABI. + +2005-06-14 Jeff Law + + * tree-vrp.c (local_fold): Remove. + (simplify_using_ranges): Use fold_convert, not local_fold. Tweak + DIV/MOD case slightly for readability. + +2005-06-14 Frank Ch. Eigler + + PR mudflap/21023 + * tree-mudflap.c (mudflap_finish_file): Exclude non-public + rather than static objects (!) from libmudflap registration. + +2005-06-14 Richard Sandiford + + * opt-functions.awk (global_state_p, needs_state_p, static_var): New. + (var_ref): Take the option's flags as a second parameter. Check + static_var. + * optc-gen.awk: Declare local state variables. Pass flags to var_ref. + +2005-06-14 Eric Botcazou + + PR target/20301 + * config/sparc/sol2.h (ASM_GENERATE_INTERNAL_LABEL): Emit + unsigned index numbers. + +2005-06-13 Geoffrey Keating + + * Makefile.in (install-man): Doesn't really depend on installdirs. + (various rules for installing manpages): Do depend on installdirs. + +2005-06-14 Nathan Sidwell + + * unwind-dw2-fde-darwin.c (examine_objects): Fix aliasing in + read_encoded_value_with_base call. + * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Likewise. + * unwind-dw2-fde.c (_Unwind_Find_FDE): Likewise. + * unwind-dw2.c (extract_cie_info): Fix aliasing in + read_encoded_value call. + (execute_cfa_program, uw_frame_state_for): Likewise. + +2005-06-13 Roger Sayle + + PR rtl-optimization/22053 + * reg-stack.c (compensate_edge): Correct mistake in the assertion + checking of EDGE_ABNORMAL_CALL edges; complex return values can + result in the top two stack slots, st(0) and st(1), being live. + +2005-06-13 Jeff Law + + * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): No longer + simplify DIV, MOD or ABS expressions using VRP information. + Remove WALK_DATA parameter. Prototype and all callers updated. + (eliminate_redundant_computations): Remove WALK_DATA parameter. + Prototype and all callers updated. + (optimize_stmt): WALK_DATA parameter is now unused. + + * tree-vrp.c (local_fold): New function. Like fold, but + strips useless type conversions in the result. + (simplify_using_ranges): New function, largely cribbed from + tree-ssa-dom.c::simplify_rhs_and_lookup_avail_expr. + (vrp_finalize): Call simplify_using_ranges. + +2005-06-13 Mark Mitchell + + * config/i386/x86-64.h (ASM_SPEC): Explicitly pass --64 to the + assembler in 64-bit mode. + +2005-06-13 David Edelsohn + + Revert scc_operand patch. + * config/rs6000/predicates.md (scc_operand): Delete. + * config/rs6000/rs6000.md (scc_operand): Change to scc_eq_operand. + +2005-06-13 Zdenek Dvorak + + PR middle-end/21985 + * fold-const.c (split_address_to_core_and_offset): Always return + the address of the base object. + +2005-06-13 Bernd Schmidt + + * doc/invoke.texi (Blackfin Options): Document -mlong-calls. + +2005-06-12 Richard Henderson + + PR tree-opt/21994 + * tree-complex.c (update_complex_components_on_edge): New. + (update_parameter_components): Use it. + (update_phi_components): Likewise. + (expand_complex_move): Likewise for is_ctrl_altering_stmt. + +2005-06-12 James A. Morrison + + PR tree-optimization/14796 + * fold-const (fold_binary): Transform (X << C) >> C into X & (-1>>C) + for unsigned types. + +2005-06-12 Kazu Hirata + + * cgraphunit.c, tree-ssa-loop-ivopts.c, + tree-ssa-structalias.c, tree-vectorizer.c, tree-vectorizer.h, + config/sparc/sparc.c: Fix comment typos. + +2005-06-12 Richard Earnshaw + + * arm/ieee754-df.s (aeabi_dcmpeq, aeabi_dcmplt, aeabi_dcmple) + (aeabi_dcmpge, aeabi_dcmpgt): Maintain 8-byte stack alignment. + * arm/ieee754-sf.s (aeabi_l2f, aeabi_fcmpeq, aeabi_fcmplt) + (aeabi_fcmple, aeabi_fcmpge, aeabi_fcmpgt): Likewise. + +2005-06-12 James A. Morrison + + PR tree-optimization/14796 + * fold-const.c (fold_binary): Transform (A >> C) << C into + one BIT_AND_EXPR. + : Transform (A OP c1) OP c2 into A OP (c1 + c2). + +2005-06-11 Geoffrey Keating + + * config/rs6000/predicates.md (reg_or_arith_cint_operand): Delete. + (reg_or_add_cint_operand): Rename from reg_or_add_cint64_operand. + Handle SImode. + (reg_or_sub_cint_operand): Likewise. + (mask_operand): Handle DImode. + (mask64_operand): Delete. + (and64_operand): Delete. + * config/rs6000/rs6000.c (num_insns_constant): Use mask_operand + instead of mask64_operand. + (print_operand): Likewise. + (rs6000_rtx_costs): Use mask_operand and reg_or_add_cint_operand and + reg_or_sub_cint_operand instead of *64_* variants. + * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Use mask_operand + instead of mask64_operand. + * config/rs6000/rs6000.md: Use mask_operand and and_operand instead + of *64_* variants. + (FP): New. + (add_op2): Delete. + (add3): Use reg_or_add_cint_operand. + (sub_op2): Delete. + (sub3): Use reg_or_sub_cint_operand. + (udiv3, div3, div3_no_mq, mod3, + mov_internal2, mov, cmp, cmp, + cmp_internal1, indirect_jump, ctr, + ctr_internal1, ctr_internal2, ctr_internal5, + ctr_internal6, save_fpregs_, return_internal_, + return_and_restore_fpregs_, eh_set_lr_, + various unnamed patterns): New. + (udivsi3, divsi3, divsi3_no_mq, modsi3, movsi_internal2, movsi, + cmpsi, cmpsi_internal1, indirect_jumpsi, ctrsi, ctrsi_internal1, + ctrsi_internal2, ctrsi_internal5, ctrsi_internal6, save_fpregs_si, + return_internal_si, return_and_restore_fpregs_si, eh_set_lr_si, + udivdi3, divdi3, divdi3_no_mq, moddi3, movdi_internal2, movdi, + cmpdi, cmpdi_internal1, indirect_jumpdi, ctrdi, ctrdi_internal1, + ctrdi_internal2, ctrdi_internal5, ctrdi_internal6, save_fpregs_di, + return_internal_di, return_and_restore_fpregs_di, eh_set_lr_di, + movhi, movqi, cmpsf, cmpdf, cmptf, various unnamed patterns): + Delete. + +2005-06-11 Gabriel Dos Reis + + * rtl.h (to_rtx_code): Remove. + * machmode.h (to_machine_mode): Likewise. + * read-rtl.c (apply_mode_macro): Replace to_machine_mode with + explicit cast. + (apply_mode_maps): Likewise. + (read_rtx_1): Likewise. + (apply_code_macro): Replace to to_rtx_code with explicit cast. + (check_code_macro): Likewise. + (read_rtx_1): Likewise. + +2005-06-11 Gabriel Dos Reis + + * c-typeck.c (convert_for_assignment): Avoid checking + OPT_Wc___compat, as it is always true. + +2005-06-11 David Edelsohn + + * config/rs6000/rs6000.md (eq_compare): Restrict to Pmode. + +2005-06-11 Daniel Berlin + + Fix PR tree-optimization/22005 + Fix PR tree-optimization/22025 + + * tree-ssa-structalias.c (struct variable_info): Add has_union + member. + (create_variable_info_for): Mark variables containing unions. + Don't sort the field stack if notokay is true. + (find_what_p_points_to): Convert variables containing unions back + to their SFT's if necessary. + +2005-06-11 Daniel Berlin + + * lambda-code.c (replace_uses_equiv_to_x_with_y): Verify the step + is an INTEGER_CST before calling int_cst_value. + +2005-06-10 Uros Bizjak + + PR target/21981 + * config/i386/i386.c (ix86_function_value_regno_p): Return true + for FIRST_MMX_REG if TARGET_MMX. + (ix86_return_in_memory): Return 1 for MMX/3dNow vectors. Delete + wrong comment. + (ix86_struct_value_rtx): Emit warning for MMX ABI violations. + (ix86_value_regno): Return FIRST_MMX_REG for MMX vector modes. + +2005-06-10 Daniel Berlin + + * lambda-code.c (replace_uses_equiv_to_x_with_y): Check step + and access function against chrec_dont_know. + +2005-06-10 Daniel Berlin + + * lambda-code.c (replace_uses_of_x_with_y): Renamed and rewritten + slightly. + (exit_phi_for_loop_p): New function. + (can_put_in_inner_loop): Ditto. + (can_convert_to_perfect_nest): Ditto. + (perfect_nestify): Create iv with right type. + Rewrite statements in correct order. + +2005-06-10 Keith Besaw + + * tree-ssa-alias.c (new_type_alias): Use existing type + tag if VAR has just one in its may_aliases list. + +2005-06-10 Fariborz Jahanian + + * rs6000/predicates.md (scc_operand): New. + * rs6000/rs6000.md : Use scc_operand for eq:SI compares. + +2005-06-10 Dorit Nuzman + + * tree-vect-analyze.c (vect_analyze_data_ref_dependence): DRs whose + dependence-distance modulo VF is 0 are recorded in the + SAME_ALIGN_REFs VEC in each DR. + (vect_enhance_data_refs_alignment): Avoid 80 column overflow. The + alignment information of DRs that are in the SAME_ALIGN_REFs VEC of the + DR we want to peel for, is set to 0. + * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Fix printout. + * tree-vectorizer.c (destroy_loop_vec_info): Free the SAME_ALIGN_REFs + VEC. + * tree-vectorizer.h (dr_p): New type. Defined to use the VEC API. + (_stmt_vec_info): Added new field same_align_refs. + (STMT_VINFO_SAME_ALIGN_REFS): New macro. + +2005-06-10 Nathan Sidwell + + * vec.h (VEC_safe_grow): Append MEM_STAT_INFO. + +2005-06-10 Alan Modra + + * config/rs6000/linux.h (NO_PROFILE_COUNTERS): Define. + * config/rs6000/linux64.h (NO_PROFILE_COUNTERS): Define as 1. + * config/rs6000/rs6000.c (output_function_profiler): Obey + NO_PROFILE_COUNTERS. Handle TARGET_SECURE_PLT. Use "bcl 20,31" + for -fPIC. Delete save_lr and substitute its value into strings. + +2005-06-09 Dale Johannesen + + * config/i386/i386.c (optimization_options): Make -fno-math-errno + the default on Darwin. + * config/rs6000/rs6000.c (optimization_options): Ditto. + * doc/invoke.texi (-fno-math-errno): Document. + +2005-06-09 Dale Johannesen + + * config/rs6000/rs6000.c (TARGET_INSN_VALID_WITHIN_DOLOOP): + Change to TARGET_INVALID_WITHIN_DOLOOP. + +2005-06-09 David Edelsohn + + * config/rs6000/rs6000.md (eq): Convert to define_insn_and_split. + * config/rs6000/predicates.md (scc_eq_operand): New. + +2005-06-09 Kaz Kojima + + * config/sh/sh.md (mextr_rl): Set buffer size properly. + (*mextr_lr): Likewise. + +2005-06-09 Gabriel Dos Reis + + PR c/21759 + * c.opt (Wc++-compat): New. + * doc/invoke.texi (-Wc++-compat): Document. + * c-typeck.c (convert_for_assignment): Check for implicit + conversion void* -> T*. + +2005-06-09 Gabriel Dos Reis + + * machmode.h (to_machine_mode): New. + * rtl.h (to_rtx_code): Likewise. + * read-rtl.c (apply_mode_macro): Convert mode to machine_mode. + (print_c_condition): Convert return value of htab_find(). + (apply_code_macro): Add explicit cast when convertin to enums. + (apply_mode_maps): Likewise. + (check_code_macro): Likewise. + (read_rtx_1): Likewise. + +2005-06-09 Richard Henderson + + * config/ia64/ia64.c (update_set_flags): Just return for IF_THEN_ELSE. + Use SCALAR_FLOAT_MODE_P. + * config/ia64/vect.md (vcondv2sf): Remove code check on comparison. + (fselect): Rename from fpcmp; use %F. + (fpcmp): New. + +2005-06-09 Jan Hubicka + + * cgraphunit.c (cgraph_create_edges): Do not walk BLOCK; finalize + local statics when doing unit-at-a-time. + (cgraph_varpool_assemble_pending_decls): Output debug info. + * dwarf2out.c (decls_for_scope): Skip local statics. + (dwarf2out_decl): Handle local statics. + * passes.c (rest_of_decl_compilation): Do not differentiate + local and global statics in unit-at-a-time. + * tree-inline.c (remap_decls): Put local static into + unexpanded_vars_list rather than introducing duplicated VAR_DECL + node. + +2005-06-09 Daniel Berlin + + * config/rs6000/rs6000.c: (rs6000_insn_valid_within_doloop): Fix + prototype. + +2005-06-08 Daniel Berlin + + * Makefile.in (OBJS-common): Add tree-ssa-structalias.o. + * tree-flow.h (find_what_p_points_to): Add prototype. + (push_fields_onto_fieldstack): Ditto. + (sort_fieldstack): Ditto. + * tree-optimize.c (init_tree_optimization_passes): Add + pass_build_pta and pass_del_pta. + * tree-pass.h (pass_build_pta): New structure. + (pass_del_pta): Ditto. + * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Disambiguate + using new alias analyzer. + (push_fields_onto_fieldstack): Removed from here. + (bitpos_of_field): Ditto. + (fieldoff_compare): Ditto. + * tree-ssa-structalias.c: New file. + * tree-ssa-structalias.h: Ditto. + +2005-06-09 Nathan Sidwell + + * c-typeck.c (build_c_cast): Check type punning on COMPONENT_REF + too. + +2005-06-09 Bernd Schmidt + + * config/bfin/bfin.c (enum bfin_builtins): Moved here from... + * config/bfin/bfin.h (enum bfin_builtins): ... here. + +2005-06-09 Adrian Straetling + + * target.h (insn_valid_within_doloop): Rename into + "invalid_within_doloop". Change return type to "const char *". + Update Comment. + * targhooks.h (default_insn_valid_within_doloop): Rename into + "default_invalid_within_doloop". + * targhooks.c (default_insn_valid_within_doloop): Likewise. + Update Comment. + * target-def.h (TARGET_INSN_VALID_WITHIN_DOLOOP): Rename target hook + into "TARGET_INVALID_WITHIN_DOLOOP". Default it to + "default_invalid_within_doloop". + * hooks.c (hook_constcharptr_rtx_null): New function. + (hook_bool_rtx_true): Remove. + * hooks.h (hook_constcharptr_rtx_null): Declare. + (hook_bool_rtx_true): Remove. + * loop-doloop.c (doloop_valid_p): Temporarily store return value of + "invalid_within_doloop" and print error message if non-null. + Update Comment. + * doc/tm.texi: Update documentation. + * config/s390/s390.c: Adjust to new hook name and new default hook. + * config/rs6000/rs6000.c: (rs6000_insn_valid_within_doloop): Rename + into "rs6000_invalid_within_doloop". + (rs6000_invalid_within_doloop): Change return type to "static const + char *" and replace return values. Update Comment. + +2005-06-09 Bernd Schmidt + + * config/bfin/bfin.opt (mlong-calls): New. + * config/bfin/predicates.md (call_insn_operand): Disallow SYMBOL_REF + if TARGET_LONG_CALLS. + +2005-06-09 Richard Henderson + + PR tree-opt/20610 + * tree.h (DECL_COMPLEX_GIMPLE_REG_P): New. + (struct tree_decl): Add gimple_reg_flag. + * integrate.c (copy_decl_for_inlining): Copy it. + * gimplify.c (internal_get_tmp_var): Set it. + (gimplify_bind_expr): Likewise. + (gimplify_function_tree): Likewise. + (gimplify_modify_expr_complex_part): New. + (gimplify_modify_expr): Use it. + * tree-gimple.c (is_gimple_reg_type): Allow complex. + (is_gimple_reg): Allow complex with DECL_COMPLEX_GIMPLE_REG_P set. + + * tree-complex.c (complex_lattice_t): New. + (complex_lattice_values, complex_variable_components): New. + (some_nonzerop, find_lattice_value, is_complex_reg, + init_parameter_lattice_values, init_dont_simulate_again, + complex_visit_stmt, complex_visit_phi, create_components, + update_complex_components, update_parameter_components, + update_phi_components, update_all_vops, expand_complex_move): New. + (extract_component): Handle INDIRECT_REF, COMPONENT_REF, ARRAY_REF, + SSA_NAME. + (update_complex_assignment): Use update_complex_components; + handle updates of return_expr properly. + (expand_complex_addition): Use complex lattice values. + (expand_complex_multiplication): Likewise. + (expand_complex_division): Likewise. + (expand_complex_libcall): Use update_complex_components. + (expand_complex_comparison): Use update_stmt. + (expand_complex_operations_1): Use expand_complex_move, retrieve + lattice values. + (tree_lower_complex): Compute lattice values. + (tree_lower_complex_O0): Duplicate from tree_lower_complex. + (pass_lower_complex_O0): Rename from pass_lower_complex. + (pass_lower_complex, gate_no_optimization): New. + * tree-optimize.c (init_tree_optimization_passes): Update for + complex pass changes. + * tree-pass.h (pass_lower_complex_O0): Declare. + +2005-06-08 Dale Johannesen + + * config/darwin.c (darwin_binds_local_p): New. + * config/darwin-protos.h (darwin_binds_local_p): Declare it. + * config/i386/i386.c (TARGET_BINDS_LOCAL_P): Use it for TARGET_MACHO. + * config/rs6000/rs6000.c (rs6000_binds_local_p): Remove. + (TARGET_BINDS_LOCAL_P): Change it to darwin_binds_local_p. + +2005-06-08 Aldy Hernandez + + * config/rs6000/rs6000.h: Remove rs6000_long_double_size_string, + rs6000_isel, rs6000_spe, rs6000_alignment_string, + rs6000_sched_restricted_insns_priority_str, + rs6000_sched_restricted_insns_priority, rs6000_abi_string. + +2005-06-08 Zdenek Dvorak + + * tree-ssa-address.c (addr_for_mem_ref): Use LAST_VIRTUAL_REGISTER + instead of FIRST_PSEUDO_REGISTER for creating pseudoregisters. + * tree-ssa-loop-ivopts.c (add_cost, multiply_by_cost, + multiplier_allowed_in_address_p, get_address_cost): Ditto. + +2005-06-08 Richard Henderson + + * config/ia64/ia64.h (NO_PROFILE_COUNTERS): New. + * config/ia64/ia64.c (ia64_output_function_profiler): Honor it. + Emit out3 load right after alloc. + +2005-06-08 Aldy Hernandez + + * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use + rs6000_explicit_options. + +2005-06-08 Richard Henderson + + * config/ia64/ia64.h (FUNCTION_PROFILER): Move implementation ... + * config/ia64/ia64.c (ia64_output_function_profiler): ... here; add + unwind markup. + * config/ia64/ia64-protos.h (ia64_output_function_profiler): Declare. + +2005-06-08 Joseph S. Myers + + * config/sol2-c.c (cmn_err_char_table): Allow width for %b + formats. + +2005-06-08 James A. Morrison + + PR target/20666 + * config/sparc/sparc.c (sparc_fold_builtin): New function + (sparc_vis_mul8x16): New function. + (sparc_handle_vis_mul8x16): New function. + (TARGET_FOLD_BUILTIN): Define to sparc_fold_builtin. + +2005-06-08 David Edelsohn + + * config/rs6000/rs6000.md (call_indirect_nonlocal_aix32): Prefer + CTR to LR. + (call_indirect_nonlocal_aix64): Same. + (call_value_indirect_nonlocal_aix32): Same. + (call_value_indirect_nonlocal_aix64): Same. + + PR target/10588 + (eq): Use CLZ splitter for compare with zero. + +2005-06-08 Bernd Schmidt + + * config/bfin/bfin.c (bfin_return_in_memory): Simplify; return + everything larger than 8 bytes in memory. + + * config/bfin/bfin.h (enum bfin_builtins): New. + * config/bfin/bfin.md (UNSPEC_VOLATILE_CSYNC, UNSPEC_VOLATILE_SSYNC): + New constants. + (csync, ssync): New insn patterns. + * config/bfin/bfin.c (bfin_init_builtins, bfin_expand_builtin): + New functions. + (def_builtin): New macro. + (TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define. + + From Jie Zhang + * config/bfin/bfin.h (ASM_OUTPUT_ALIGN): Gas now emulates the + behavior of the native assembler in VDSP. So change accordingly. + +2005-06-08 Sebastian Pop + + * tree-data-ref.c (compute_estimated_nb_iterations, + analyze_array_indexes, compute_overlap_steps_for_affine_1_2, + analyze_subscript_affine_affine, find_data_references_in_loop): + Fixed to use chrec_contains_undetermined to test the values of + loop->estimated_nb_iterations. + * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): + Compute the estimation only when loop->estimated_nb_iterations + has not yet been initialized. + (convert_step_widening, scev_probably_wraps_p): Add a call to + estimate_numbers_of_iterations_loop. + * tree-vrp.c (execute_vrp): Don't call estimate_numbers_of_iterations. + +2005-06-08 Eric Botcazou + + PR debug/21946 + * dwarf2out.c (add_loc_descr_op_piece): Move to the + DWARF2_DEBUGGING_INFO section. + +2005-06-08 Richard Henderson + + PR target/21721 + * config/ia64/ia64.c (emit_predicate_relation_info): Skip p0. + +2005-06-08 Eric Botcazou + + PR target/21889 + * target.h (gcc_target) : New field output_dwarf_dtprel. + * target-def.h (TARGET_ASM_OUTPUT_DWARF_DTPREL): New macro. + (TARGET_ASM_OUT): Add it. + * doc/tm.texi (Debugging Info): Document it. + * dwarf2out.c (output_loc_operands) : + Test it instead of ASM_OUTPUT_DWARF_DTPREL. + (loc_descriptor_from_tree_1) : Likewise. + * system.h: Poison ASM_OUTPUT_DWARF_DTPREL. + * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Delete. + * config/frv/frv.c (frv_output_dwarf_dtprel): Make static and unused. + (gen_inlined_tls_plt): Remove unused variable MEM. + (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to frv_output_dwarf_dtprel. + * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Delete. + * config/i386/i386-protos.h (i386_output_dwarf_dtprel): Delete. + * config/i386/i386.c (i386_output_dwarf_dtprel): Make static and + unused. + (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to i386_output_dwarf_dtprel. + * config/i386/i386.h (ASM_OUTPUT_DWARF_DTPREL): Delete. + * config/ia64/ia64-protos.h (ia64_output_dwarf_dtprel): Delete. + * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Make static and + unused. + (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to ia64_output_dwarf_dtprel. + * config/ia64/ia64.h (ASM_OUTPUT_DWARF_DTPREL): Delete. + * config/rs6000/rs6000-protos.h (rs6000_output_dwarf_dtprel): Delete. + * config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): Make static and + unused. + (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to rs6000_output_dwarf_dtprel + * config/rs6000/rs6000.h (ASM_OUTPUT_DWARF_DTPREL): Delete. + * config/s390/s390-protos.h (s390_output_dwarf_dtprel): Delete. + * config/s390/s390.c (s390_output_dwarf_dtprel): Make static and + unused. + (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to s390_output_dwarf_dtprel. + * config/s390/s390.h (ASM_OUTPUT_DWARF_DTPREL): Delete. + * config/sparc/sol2-gas.h (TARGET_SUN_TLS): Define to 0. + (TARGET_GNU_TLS): Define to 1. + * config/sparc/sparc-protos.h (sparc_output_dwarf_dtprel): Delete. + * config/sparc/sparc.c (sparc_output_dwarf_dtprel): Make static and + unused. + (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to sparc_output_dwarf_dtprel + if TARGET_GNU_TLS only. + * config/sparc/sparc.h (ASM_OUTPUT_DWARF_DTPREL): Delete. + + * config.gcc (sparc64-*-solaris2*): Include tm-dwarf2.h last. + (sparc-*-solaris2*): Likewise on Solaris 7 and up. + +2005-06-07 Dale Johannesen + + * config/i386/i386.md (movqi_1): Fix case where source + is memory and destination EDI. + +2005-06-08 Kazu Hirata + + * config/c4x/c4x.h (PREDICATE_CODES): Remove mem_operand. + +2005-06-07 Eric Christopher + + * system.h: Poison EXTRA_CC_MODES. + * config/frv/frv.h (SELECT_CC_MODE): Rewrite comment. + * config/ia64/ia64.h (SELECT_CC_MODE): Ditto. + * doc/md.texi (Jump Patterns): Replace reference to + EXTRA_CC_MODES with machine-modes.def. + * doc/rtl.texi (Machine Modes): Ditto. + +2005-06-07 Richard Henderson + + * varasm.c (initialize_cold_section_name): Fix alloca buffer overflow. + (assemble_start_function): Fix strcmp confusion. + +2005-06-07 Uros Bizjak + + * config/i386/i386.h (enum ix86_entity): New. + (enum ix86_stack_slot): New. + (OPTIMIZE_MODE_SWITCHING): Redefine to use + ix86_optimize_mode_switching[] array. + (NUM_MODES_FOR_MODE_SWITCHING): Redefine for 4 entities. + (MODE_NEEDED): Use ix86_mode_needed() function. + (EMIT_MODE_SET): Redefine for changed emit_i387_cw_initialization () + function. + (struct machine_function): Use optimize_mode_switching[] array. + + * config/i386/i386.c (MAX_386_STACK_LOCALS): Remove. + (ix86_mode_needed): New function. + (emit_i387_cw_initialization): Cleanup. Use mode to calculate + correct stack positions for stored control words. + (assign_386_stack_local): Use enum ix86_stack_slot. Change assert. + (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR]: Change constant to + SLOT_TEMP. + [IX86_BUILTIN_STMXCSR]: Same. + + * config/i386/i386-protos.h (assign_stack_local): Change prototype. + (emit_i387_cw_initialization): Change prototype. + (ix86_mode_needed): New prototype. + + * config/i386/i386.md (i387_cw attribute): Change order of elements. + (truncdfsf2, truncxfsf2, truncxfdf2, fix_trunc_fisttp_i387_1) + (*fix_trunc_i387_1, lrint2, *fist2_floor_1) + (*fist2_ceil_1): Change constant in call to + assign_386_stack_local to SLOT_TEMP. + (*fix_trunc_i387_1): Change constant in call to + assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_TRUNC. + Use new ix86_optimize_mode_switching[] array. + (frndintxf2_floor, *fist2_floor_1): Change constants in call to + assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_FLOOR. + Use new ix86_optimize_mode_switching[] array. + (frndintxf2_ceil, *fist2_ceil_1): Change constants in call to + assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_CEIL. + Use new ix86_optimize_mode_switching[] array. + (frndintxf2_trunc): Change constants in call to + assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_TRUNC. + Use new ix86_optimize_mode_switching[] array. + (frndintxf2_mask_pm): Change constants in call to + assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_MASK_PM. + Use new ix86_optimize_mode_switching[] array. + + (define_peephole2): Change constant from 17 to FLAGS_REG; + +2005-06-07 Richard Henderson + + PR rtl-opt/21528 + * rtlanal.c (reg_overlap_mentioned_p) : Handle 'E' formats. + +2005-06-07 Dale Johannesen + + * tree-nested.c (finalize_nesting_tree_1): Disable + warn_padded around layout_type call. + +2005-06-08 Zdenek Dvorak + + * tree-ssa-loop-ivopts.c (rewrite_use_outer): Unshare the expression + before emiting it. + +2005-06-07 Eric Christopher + + * config/mips/predicates.md: Revert previous patch. + +2005-06-07 Jakub Jelinek + + PR middle-end/21850 + * tree.c (get_unwidened): Stop at NOP_EXPR/CONVERT_EXPR that convert + from vector types. + +2005-06-07 Diego Novillo + + * tree-ssa-threadupdate.c (struct thread_stats_d): Declare. + (thread_stats): New local variable. + (redirect_edges): Increment count of threaded edges. + (thread_through_all_blocks): Initialize thread_stats. + Display number of threaded jumps if TDF_STATS is enabled. + +2005-06-07 Kazu Hirata + + * sbitmap.h (sbitmap_iter_init): Consistently treat bit_num as + the current bit index with no modulo. + +2005-06-07 Sebastian Pop + + PR 18403 and meta PR 21861. + * Makefile.in (tree-chrec.o): Depend on CFGLOOP_H and TREE_FLOW_H. + * tree-chrec.c: Include cfgloop.h and tree-flow.h. + (evolution_function_is_invariant_rec_p, + evolution_function_is_invariant_p): New. + (chrec_convert): Use an extra parameter AT_STMT for refining the + information that is passed down to convert_step. Integrate the + code that was in count_ev_in_wider_type. + * tree-chrec.h (count_ev_in_wider_type): Removed. + (chrec_convert): Modify its declaration. + (evolution_function_is_invariant_p): Declared. + (evolution_function_is_affine_p): Use evolution_function_is_invariant_p. + * tree-flow.h (can_count_iv_in_wider_type): Renamed convert_step. + (scev_probably_wraps_p): Declared. + * tree-scalar-evolution.c (count_ev_in_wider_type): Removed. + (follow_ssa_edge_in_rhs, interpret_rhs_modify_expr): + Use an extra parameter AT_STMT for refining the information that is + passed down to convert_step. + (follow_ssa_edge_inner_loop_phi, follow_ssa_edge, + analyze_scalar_evolution_1): Initialize AT_STMT with the current + analyzed statement. + (instantiate_parameters_1): Don't know yet how to initialize AT_STMT. + * tree-ssa-loop-ivopts.c (idx_find_step): Update the use of + can_count_iv_in_wider_type to use convert_step. + * tree-ssa-loop-niter.c (can_count_iv_in_wider_type_bound): Move + code that is independent of the loop over the known iteration + bounds to convert_step_widening, the rest is moved to + proved_non_wrapping_p. + (scev_probably_wraps_p): New. + (can_count_iv_in_wider_type): Renamed convert_step. + * tree-vrp.c (adjust_range_with_scev): Take an extra AT_STMT parameter. + Use scev_probably_wraps_p for computing init_is_max. + (vrp_visit_assignment): Pass the current analyzed statement to + adjust_range_with_scev. + (execute_vrp): Call estimate_numbers_of_iterations for refining the + information provided by scev analyzer. + +2005-06-07 Eric Christopher + + * config/mips/predicates.md (sleu_operand): Use + IN_RANGE to specify range of operand. + +2005-06-07 Steven Bosscher + + PR tree-optimization/21847 + * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): With + -fnon-call-exceptions, also mark statements inherently + necessary if they may throw. + +2005-06-07 Adrian Straetling + + * config/s390/s390.md: ("UNSPECV_MB", "UNSPECV_CAS"): New constants. + ("type"): Add "sem" to 'type' attribute. + ("memory_barrier", "*memory_barrier", "sync_compare_and_swapdi", + "sync_compare_and_swapsi", "sync_compare_and_swap_ccdi", + "sync_compare_and_swap_ccsi", "*sync_compare_and_swap_ccdi", + "*sync_compare_and_swap_ccsi"): New patterns. + * config/s390/2064.md: ("z_sem"): New insn_reservation. + * config/s390/2084.md: ("x_sem"): New insn_reservation. + * config/s390/s390.c: (s390_compare_emitted): New global variable. + (s390_emit_compare): Do not emit comparison again after cas. + * config/s390/s390.h (s390_compare_emitted): Declare. + +2005-06-07 Kazu Hirata + + * sbitmap.h (sbitmap_iterator, sbitmap_iter_init, + sbitmap_iter_cond, sbitmap_iter_next): New. + * bt-load.c, cfganal.c, combine.c, ddg.c, flow.c, + modulo-sched.c, sbitmap.c, sched-rgn.c, tree-into-ssa.c, + tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Update + uses of EXECUTE_IF_SET_IN_SBITMAP to the new style. + +2005-06-07 Zdenek Dvorak + + * tree-ssa-address.c: New file. + * Makefile.in (tree-ssa-address.o): Add. + * expr.c (expand_expr_real_1): Do not handle REF_ORIGINAL on + INDIRECT_REFs. Handle TARGET_MEM_REFs. + * tree-eh.c (tree_could_trap_p): Handle TARGET_MEM_REFs. + * tree-flow.h (struct mem_address): New. + (struct affine_tree_combination): Moved from tree-ssa-loop-ivopts.c. + (create_mem_ref, addr_for_mem_ref, get_address_description, + maybe_fold_tmr, multiplier_allowed_in_address_p, + multiply_by_cost): Declare. + * tree-mudflap.c (mf_xform_derefs_1): Handle TARGET_MEM_REFs. + * tree-pretty-print.c (dump_generic_node): Ditto. + * tree-ssa-loop-im.c (for_each_index): Ditto. + * tree-ssa-loop-ivopts.c (may_be_unaligned_p, + find_interesting_uses_address): Ditto. + (rewrite_address_base, build_addr_strip_iref): Removed. + (struct affine_tree_combination): Moved to tree-flow.h. + (get_ref_tag, copy_ref_info): New functions. + (rewrite_use_address): Produce TARGET_MEM_REFs. + (tree_ssa_iv_optimize): Do not call update_ssa + and rewrite_into_loop_closed_ssa. + (tree_to_aff_combination): Use build_fold_addr_expr instead of + build_addr_strip_iref. + (unshare_aff_combination): New function. + (fold_affine_sum): Removed. + (get_computation_at): Use get_computation_aff. Unshare the result. + (get_computation_aff, multiplier_allowed_in_address_p): New function. + (multiply_by_cost): Exported. + (get_address_cost): Use multiplier_allowed_in_address_p. + * tree-ssa-operands.c (get_tmr_operands): New function. + (get_expr_operands): Handle TARGET_MEM_REFs. + * tree.c (copy_node_stat): Copy annotations for TARGET_MEM_REFs. + (build): Handle 7 arguments. + (build7_stat): New function. + * tree.def (TARGET_MEM_DEF): New. + * tree.h (REF_ORIGINAL): Removed. + (TMR_SYMBOL, TMR_BASE, TMR_INDEX, TMR_STEP, TMR_OFFSET, TMR_ORIGINAL, + TMR_TAG, build7): New macros. + (build7_stat, tree_mem_ref_addr, copy_mem_ref_info): Declare. + * tree-ssa-ccp.c (fold_stmt_r): Call maybe_fold_tmr. + * doc/c-tree.texi: Document TARGET_MEM_REF. + * doc/tree-ssa.texi: Add TARGET_MEM_REF to gimple grammar. + +2005-06-07 Jakub Jelinek + + PR debug/21946 + * dwarf2out.c (add_loc_descr_op_piece): New function. + (multiple_reg_loc_descriptor, concat_loc_descriptor, + loc_descriptor): Use it. + * var-tracking.c: Include regs.h and expr.h. + (emit_note_insn_var_location): Skip over pieces where offset + is smaller than previous offset plus previous piece mode size. + Optimize adjacent hard registers or memory locations. + * Makefile.in (var-tracking.o): Depend on $(REGS_H) and $(EXPR_H). + +2005-06-07 Richard Guenther + + * c-typeck.c (c_finish_if_stmt): Use void_type_node as type + for COND_EXPR. + * gimplify.c (gimplify_cond_expr): No need to fix up the + type of COND_EXPRs. + +2005-06-07 Richard Guenther + + * tree-ssa.c (tree_ssa_useless_type_conversion_1): Fix + comments. + +2005-06-07 Geoffrey Keating + + * config/rs6000/host-darwin.c (segv_handler): Widen the possible + 'stwux' instructions that are considered to be stack decrements. + + * rtlanal.c (subreg_offset_representable_p): Handle objects + with holes. + +2005-06-06 Uros Bizjak + + * mode-switching.c (optimize_mode_switching): Fix n_exprs parameter + in call to pre_edge_lcm. + +2005-06-06 Kaz Kojima + + * config/sh/linux-unwind.h (SH_DWARF_FRAME_XD0): Remove for SH5. + (SH_DWARF_FRAME_PR, SH_DWARF_FRAME_GBR, SH_DWARF_FRAME_MACL) + (SH_DWARF_FRAME_MACH, SH_DWARF_FRAME_PC, SH_DWARF_FRAME_FPUL): + Likewise. + (SH_DWARF_FRAME_FP0, SH_DWARF_FRAME_FPSCR): Define to the correct + dwarf register number for SHmedia. + (shmedia_fallback_frame_state): New. + (MD_FALLBACK_FRAME_STATE_FOR): Define to it for SH5. + + * config/sh/linux.h (FUNCTION_PROFILER): Provide SHMEDIA version. + +2005-06-06 Gabriel Dos Reis + + * c-lex.c (lex_string): Use XOBFINISH. + * collect2.c (extract_string, dump_file): Likewise. + * dbxout.c (dbxout_finish_complex_stabs): Likewise. + * gcc.c (init_spec, build_search_list, convert_filename, + set_collect_gcc_options, do_spec_2, do_spec_1, main): Likewise. + * genpreds.c (write_predicate_subfunction): Likewise. + * genflags.c (main): Likewise. + * read-rtl.c (mode_attr_index, apply_macro_to_string, + join_c_conditions, read_quoted_string, read_braced_string, + read_rtx_1): Likewise. + * stringpool.c (ggc_alloc_string): Likewise. + * tlink.c (obstack_fgets, recompile_files): Likewise. + +2005-06-06 Jakub Jelinek + + * intl.h (G_): New macro. + * rtl-error.c (error_for_asm, warning_for_asm): Use gmsgid + instead of msgid for argument name. + * tree-ssa.c (warn_uninit): Likewise. + * c-parser.c (c_parser_error): Likewise. + * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise. + * config/darwin-c.c (BAD): Likewise. + * config/c4x/c4x-c.c (BAD): Likewise. + * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise. + * c-errors.c (pedwarn_c99, pedwarn_c90): Likewise. + * c-common.c (c_parse_error): Likewise. + * diagnostic.c (diagnostic_set_info, verbatim, inform, warning, + warning0, pedwarn, error, sorry, fatal_error, internal_error): + Likewise. + (fnotice): Use cmsgid instead of msgid for argument name. + * gcov.c (fnotice): Likewise. + * protoize.c (notice): Likewise. + * final.c (output_operand_lossage): Likewise. + * gcc.c (fatal, notice): Likewise. + (error): Use gmsgid instead of msgid for argument name. + * collect2.c (notice, fatal_perror, fatal): Use cmsgid instead + of msgid for argument name. + (error): Use gmsgid instead of msgid for argument name. + * c-decl.c (locate_old_decl, implicit_decl_warning): Use G_() + instead of N_(). + * c-typeck.c (readonly_error, convert_for_assignment): Likewise. + * tree-inline.c (inline_forbidden_p_1): Likewise. + * ABOUT-GCC-NLS: Require gettext 0.14.5 or later. Mention the new + conventions for marking translations. + * doc/install.texi: Mention gettext 0.14.5 or later requirement. + + * tree-chrec.c (reset_evolution_in_loop): Use build3 instead of + build2. + + * fold-const.c (operand_equal_p): Don't return 1, if element + chains for 2 VECTOR_CSTs are not the same length. + + PR regression/21897 + * fold-const.c (fold_ternary) : Don't crash if + not all VECTOR_CST elements are given. + + * combine.c (try_combine): Use hard_regno_nregs array instead of + HARD_REGNO_NREGS macro. + * config/rs6000/rs6000.c (rs6000_split_multireg_move, + rs6000_register_move_cost, rs6000_memory_move_cost): Likewise. + * config/ia64/ia64.c (mark_reg_gr_used_mask): Likewise. + +2005-06-06 Daniel Berlin + + * tree-ssa-reassoc.o: New. + (OBJS-common): Add tree-ssa-reassoc.o + * timevar.def: Add TV_TREE_REASSOC + * tree-optimize.c (pass_reassoc): Add call. + * tree-pass.h (pass_reassoc): Add. + * tree-ssa-reassoc.c: New file. + +2005-06-06 Eric Christopher + + target/21927 + * expr.c (do_store_flag): Remove check for non-negative BRANCH_COST. + +2005-06-06 Rainer Orth + + * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Guard with + HAVE_GAS_MAX_SKIP_P2ALIGN. + (HAVE_AS_DWARF2_DEBUG_LINE): Remove. + +2005-06-06 Rainer Orth + + * Makefile.in (mips-tfile.o): Add $(srcdir)/../include prefix to + getopt.h dependency. + (mips-tdump.o): Likewise. + +2005-06-06 Jan Hubicka + + * predict.c (tree_predict_edge): Don't drop useless predictions; + check that it is not called too late in the game. + (gate_estimate_probability): New gate. + (pass_profile): Gate. + * tree-mudflap.c (mf_build_check_statement_for): Do not drop + predictions; update CFG instead. + * cfgrtl.c (rtl_verify_flow_info): Check that predcitions are consumed. + +2005-06-06 Jie Zhang + + * config.gcc (bfin*-uclinux*): New. + * config/bfin/uclinux.h: New file. + +2005-06-06 Ben Elliston + + * doc/md.texi (Insn Splitting): Fix some wording. + +2005-06-05 David Edelsohn + + * config/rs6000/rs6000.c (rs6000_emit_swdivsf): New function. + (rs6000_emit_swdivdf): New function. + * config/rs6000/rs6000.md (fres): New pattern. + (divsf3): Add approximation through rs6000_emit_swdivsf. + (fred): New pattern. + (divdf3): Add approximation through rs6000_emit_swdivdf. + * config/rs6000/rs6000-protos.h (rs6000_emit_swdivsf): Declare. + (rs6000_emit_swdivdf): Declare. + * config/rs6000/rs6000.opt (mswdiv): New option. + * doc/invoke.texi (RS/6000 and PowerPC Options): Document mswdiv. + +2005-06-05 Zdenek Dvorak + + PR tree-optimization/21846 + * tree-cfg.c (replace_uses_by): Update information stored at loops. + * tree-flow.h (substitute_in_loop_info): Declare. + * tree-scalar-evolution.c (initialize_scalar_evolutions_analyzer): + Ensure that chrec_dont_know and chrec_known have a type. + * tree-ssa-loop-niter.c (substitute_in_loop_info): New function. + +2005-06-05 Steven Bosscher + + * config/i386/i386.c (x86_use_loop): Remove. + * config/i386/i386.h (x86_use_loop): Remove extern decl. + (TARGET_USE_LOOP): Remove. + * config/i386/i386.md (doloop_end, doloop_end_internal): Remove. + Also remove related define_splits. + +2005-06-05 Dorit Nuzman + + * tree-flow.h (stmt_ann_d): Move aux to ... + (tree_ann_common_d): ... here. + * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt, + move_computations_stmt, schedule_sm): Update references to + aux. + * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise. + * tree-vect-transform.c (vect_create_index_for_vector_ref): Update + call to set_stmt_info. + (vect_transform_loop): Likewise. + * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): + Likewise. + + * tree-vect-analyze.c (vect_analyze_scalar_cycles): Made void instead of + bool. + (vect_mark_relevant): Takes two additional arguments - live_p and + relevant_p. Set RELEVANT_P and LIVE_P according to these arguments. + (vect_stmt_relevant_p): Differentiate between a live stmt and a + relevant stmt. Return two values = live_p and relevant_p. + (vect_mark_stmts_to_be_vectorized): Call vect_mark_relevant and + vect_stmt_relevant_p with additional arguments. Phis are no longer + put into the worklist (analyzed seperately in analyze_scalar_cycles). + (vect_determine_vectorization_factor): Also check for LIVE_P, because a + stmt that is marked as irrelevant and live, cause it's only used out + side the loop, may need to be vectorized (e.g. reduction). + (vect_analyze_operations): Examine phis. Call + vectorizable_live_operation for for LIVE_P stmts. Check if + need_to_vectorize. + (vect_analyze_scalar_cycles): Update documentation. Don't fail + vectorization - just classify the scalar cycles created by the loop + phis. Call vect_is_simple_reduction. + (vect_analyze_loop): Call to analyze_scalar_cycles moved earlier. + * tree-vect-transform.c (vect_create_index_for_vector_ref): Update + call to set_stmt_info. + (vect_get_vec_def_for_operand): Code reorganized - the code that + classifies the type of use was factored out to vect_is_simple_use. + (vectorizable_store, vect_is_simple_cond): Call vect_is_simple_use with + additional arguments. + (vectorizable_assignment): Likewise. Also make sure the stmt is relevant + and computes a loop_vec_def. + (vectorizable_operation, vectorizable_load, vectorizable_condition): + Likewise. + (vectorizable_live_operation): New. + (vect_transform_stmt): Handle LIVE_P stmts. + * tree-vectorizer.c (new_stmt_vec_info): Initialize the new fields + STMT_VINFO_LIVE_P and STMT_VINFO_DEF_TYPE. + (new_loop_vec_info, destroy_loop_vec_info): Also handle phis. + (vect_is_simple_use): Determine the type of the def and return it + in a new function argument. Consider vect_reduction_def and + vect_induction_def, but for now these are not supported. + (vect_is_simple_reduction): New. Empty for now. + * tree-vectorizer.h (vect_def_type): New enum type. + (_stmt_vec_info): Added new fields - live and _stmt_vec_info. + (STMT_VINFO_LIVE_P, STMT_VINFO_DEF_TYPE): New accessor macros. + (vect_is_simple_use): New arguments added to function declaration. + (vect_is_simple_reduction): New function declaration. + (vectorizable_live_operation): New function declaration. + + * tree-vect-analyze.c (vect_can_advance_ivs_p): Add debug printout. + (vect_can_advance_ivs_p): Likewise. + * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Likewise. + +2005-06-05 Eric Christopher + + * config/mips/mips.c (mips_rtx_costs): Remove unused variable. + +2005-06-05 Hans-Peter Nilsson + + PR target/21914 + * config/mmix/mmix.md ("*movdicc_real_foldable") + ("*movdfcc_real_foldable", "*bCC_foldable") + ("*bCC_inverted_foldable"): Specify DImode for register being + compared. + +2005-06-04 Roger Sayle + + * reg-stack.c (struct block_info_def): Correct grammar typo. + (compensate_edge): Clean-up. Perform as little work as possible + when src and dest stacks match. Avoid modifying block_info. + Reorder and simplify assertion checks. Avoid unnecessary copying + of regstack structure. + (convert_regs_1): Set the done flag here... + (convert_regs_2): ... instead of here. + +2005-06-04 Dale Johannesen + + * config/rs6000/rs6000.c (no_global_regs_above): New. + (rs6000_emit_prologue): Use it; cosmetic formatting fixes. + (rs6000_emit_epilogue): Use it; cosmetic formatting fixes. + (rs6000_conditional_register_usage): Don't put Darwin PIC + register in global_regs. + (rs6000_stack_info): Don't set lr_save_p just because Darwin + PIC reg used. + (rs6000_emit_prologue): Save LR in R0 around Darwin PIC setup, + if not done by lr_save_p. + * config/rs6000/rs6000.md (insnv1_internal1): Back out 05-18 patch. + Use rotate instead of ashift. + (call_indirect_nonlocal_sysv): Prefer CTR to LR. + (call_value_indirect_nonlocal_sysv): Ditto. + +2005-06-04 Jan Hubicka + + * cgraphunit.c (cgraph_reset_node): Break out from ... + (cgraph_finalize_function): ... here. + (cgraph_finalize_compilation_unit): Reset nodes where backend + removed the body. + +2005-06-04 Richard Henderson + + PR target/21888 + * config/alpha/alpha.c (alpha_align_insns): Don't insert nops + until we've passed initial ldgp. + +2005-06-04 Daniel Berlin + + * cfgexpand.c (expand_one_var): Use DECL_HAS_VALUE_EXPR_P. + * dwarf2out.c (loc_descriptor_from_tree_1): Ditto. + * expr.c (expand_var): Ditto. + * function.c (gimplify_parameters): Use SET_DECL_VALUE_EXPR too. + * gimplify.c (gimplify_decl_expr): Ditto. + (gimplify_expr): Ditto. + * tree-mudflap.c (mf_decl_eligible_p): Use DECL_HAS_VALUE_EXPR_P. + * tree.c (value_expr_for_decl): New. + (print_value_expr_statistics): New. + (init_ttree): Init value_expr_for_decl. + (decl_value_expr_lookup): New. + (decl_value_expr_insert): Ditto. + (copy_node_stat): Copy DECL_VALUE_EXPR status. + * tree.h (DECL_VALUE_EXPR): Use hashtable. + (SET_DECL_VALUE_EXPR): New. + (DECL_HAS_VALUE_EXPR_P): New. + +2005-06-04 Steven Bosscher + + * lcm.c: Move all mode-switching related functions from here... + * mode-switching.c: ...to this new file. + * doc/passes.texi: Update accordingly. + + * basic-block.h (label_value_list): Remove extern decl. + * cfgrtl.c (label_value_list): Remove. + (can_delete_label_p): Don't look at it. + * cfgcleanup.c (cleanup_cfg): Don't free it. + + * common.opt: Don't refer to non-existing flag_alias_check. + +2005-06-04 David Edelsohn + + * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power5. + +2005-06-04 Kazu Hirata + + * function.c (prologue, epilogue, sibcall_epilogue): Change + their types to VEC(int,heap)*. + (free_after_compilation): Free the three vectors above. + (init_function_for_compilation, record_insns, contains, + prologue_epilogue_contains, sibcall_epilogue_contains, + reposition_prologue_and_epilogue_notes): Use VEC instead of + VARRAY. (init_function_once): Remove. + * function.h: Remove the prototype for init_function_once. + * toplev.c (backend_init): Don't call init_function_once. + +2005-06-04 Jan Hubicka + + * predict.c (tree_predict_edge): Do not predict entry edge and + single succestor edge. + +2005-06-04 Joseph S. Myers + + PR c/21873 + * c-typeck.c (push_init_level): Don't pop levels without braces if + implicit == 1. + +2005-06-03 Sebastian Pop + + * tree-data-ref.c (compute_self_dependence): New function. + (compute_all_dependences): Use it. + +2005-06-03 Geoffrey Keating + + * c-parser.c (c_parser_parms_declarator): Don't use chainon(). + (c_parser_expr_list): Don't use chainon(). + + * config/darwin.h (LINK_SPEC): Pass -syslibroot to linker + when -isysroot passed. + +2005-06-03 Joseph S. Myers + + PR c/21879 + * c-decl.c (start_function): Restore label_context_stack_se and + label_context_stack_vm if returning with an error. + +2005-06-03 Gabriel Dos Reis + + * configure.ac: Check declaration for asprintf, needed by + libiberty.h. + * configure: Regenerate. + * config.in: Likewise. + +2005-06-03 Diego Novillo + + * tree-ssa-dom.c (record_edge_info): Use last_basic_block to + allocate info array. + * tree-vrp.c (extract_range_from_unary_expr): Set resulting + range to varying in cast expressions that change + TYPE_PRECISION. + +2005-06-03 Eric Christopher + + * config/mips/mips.opt: Add RejectNegative to divide-breaks and + divide-traps. + +2005-06-03 Jan Hubicka + + * basic-block.h (remove_predictions_associated_with_edge): Declare. + * cfg.c (remove_edge): Use it. + * predict.c (remove_predictions_associated_with_edge): New function. + +2005-06-03 Pat Haugen + + * config/rs6000/rs6000.c (rs6000_conditional_register_usage): + Clear call_realy_used_regs[r2] when ABI_AIX. + +2005-06-03 Richard Guenther + + PR middle-end/21858 + * fold-const.c (fold_binary): Fix type mismatches in folding + of comparisons. + +2005-06-03 Kazu Hirata + + * cgraph.c, cgraphunit.c, config/mips/mips.c: Fix comment + typos. + +2005-06-03 Joseph S. Myers + + * collect2.c (maybe_unlink): Use unlink_if_ordinary. + +2005-06-02 Bernd Schmidt + + * reload1.c (reload): Revert my previous patch. + +2005-06-03 Nick Clifton + + * config/arm/semi.h (ASM_SPEC): Fix typo passing -mfloat-abi to + assembler. + +2005-06-03 Kazu Hirata + + PR tree-optimization/21849 + * tree-ssa-copy.c (dump_copy_of): Call sbitmap_zero. + +2005-06-02 Richard Henderson + + * Makefile.in (tree-vect-generic.o): New. + (OBJS-common, GTFILES, s-gtype): Add it. + * tree-complex.c (build_replicated_const, vector_inner_type, + vector_last_type, vector_last_nunits, build_word_mode_vector_type, + elem_op_func, tree_vec_extract, do_unop, do_binop, do_plus_minus, + do_negate, expand_vector_piecewise, expand_vector_parallel, + expand_vector_addition, expand_vector_operation, + type_for_widest_vector_mode, expand_vector_operations_1, + gate_expand_vector_operations, expand_vector_operations, + pass_lower_vector_ssa): Move to tree-vect-generic.c. + (tree_lower_complex): Rename from tree_lower_operations. + (pass_lower_complex): Rename from pass_pre_expand. + * tree-vect-generic.c: New file. + * tree-pass.h (pass_lower_complex): Rename from pass_pre_expand. + (pass_lower_vector): New. + * tree-optimize.c (init_tree_optimization_passes): Update to match. + +2005-06-02 Richard Henderson + + * modulo-sched.c (doloop_register_get): Protect against + doloop_end not defined. + +2005-06-02 Kazu Hirata + + * config/sh/sh.c (general_movsrc_operand, + general_movdst_operand, arith_reg_operand, arith_reg_dest, + logical_reg_operand, int_gpr_dest, fp_arith_reg_operand, + fp_arith_reg_dest, arith_operand, arith_reg_or_0_operand, + xor_operand, cmp_operand, logical_operand, and_operand, + fpscr_operand, fpul_operand, symbol_ref_operand, + commutative_float_operator, noncommutative_float_operator, + unary_float_operator, binary_float_operator, + binary_logical_operator, equality_comparison_operator, + greater_comparison_operator, less_comparison_operator, + shift_operator, logical_operator, target_reg_operand, + target_operand, mextr_bit_offset, extend_reg_operand, + trunc_hi_operand, extend_reg_or_0_operand, minuend_operand, + general_extend_operand, ua_address_operand, + cache_address_operand, inqhi_operand, sh_rep_vec, sh_1el_vec, + sh_const_vec, ua_offset, sh_register_operand, cmpsi_operand, + shift_count_reg_operand, shift_count_operand, + unaligned_load_operand): Move to ... + * config/sh/predicates.md: ... here. + * config/sh/sh.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): + Remove. + +2005-06-02 Andrew Pinski + + * tree.c (build_common_builtin_nodes): Fix the return type on + __builtin_memcmp. + +2005-06-02 Richard Guenther + + * tree-ssa-loop-ivopts.c (build_addr_strip_iref): Remove. + (find_interesting_uses_address): Use build_fold_addr_expr instead. + (strip_offset_1): Likewise. + (tree_to_aff_combination): Likewise. + +2005-06-02 DJ Delorie + + * convert.c (convert_to_pointer): Avoid recursion if no conversion + is needed. + +2005-06-02 Richard Guenther + + * tree-chrec.c (chrec_fold_plus_1): Ensure we build + binary operations with the correct types. + * tree-ssa-loo-ivopts.c (idx_find_step): Use sizetype + for all computation. + +2005-06-02 Kazu Hirata + + * tree-vrp.c, config/arm/arm.md, config/arm/arm1020e.md, + config/rs6000/rs6000.md: Fix comment typos. Follow splling + conventions. + * doc/install.texi: Fix a typo. + +2005-06-02 Jan Hubicka + + * cgraphunit.c (cgraph_function_and_variable_visibility): Extern + inline functions are not local. + +2005-06-02 Kazu Hirata + + * gimplify.c (gimplify_ctx): Change the type of case_labels to + VEC from VARRAY. + (gimplify_switch_expr, gimplify_case_label_expr): Adjust uses + of case_labels. + +2005-06-02 Richard Guenther + + * c-typeck.c (build_indirect_ref): Build INDIRECT_REF + with correct type. + +2005-06-02 Ulrich Weigand + + * config/s390/s390.c (s390_add_execute): Do not handle out-of-pool + execute templates. + (s390_dump_pool): Likewise. + (s390_mainpool_start, s390_mainpool_finish): Likewise. + (s390_chunkify_start): Likewise. + (s390_dump_execute): Remove. + (s390_reorg): Handle out-of-pool execute templates. + +2005-06-02 Adrian Straetling + + * optabs.c: (expand_bool_compare_and_swap): Emit barrier after + unconditional jump. + +2005-06-02 Jan Hubicka + + * cgraph.c (cgraph_node): Maintain master clones. + (cgraph_remove_node): Likewise. + (availability_names): New static variable. + (dump_cgraph_node): Dump availability. + (dump_cgraph_varpool_node): Likewise. + (cgraph_is_master_clone, cgraph_master_clone, + cgraph_function_body_availability, + cgraph_variable_initializer_availability): New functions. + * cgraph.h (availability): New enum. + (struct cgraph_node): Add master_clone. + (cgraph_is_master_clone, cgraph_master_clone, + cgraph_function_body_availability, + cgraph_variable_initializer_availability): Declare. + * cgraphunit.c (cgraph_expand_function): Setcgraph_function_flags_ready. + (cgraph_remove_unreachable_nodes): Remove unreachable nodes. + * ipa-inline.c (cgraph_decide_inlining): Do not call + cgraph_remove_unreachable_nodes. + + * cgraphunit.c (cgraph_function_and_variable_visibility): Fix typo in + previous patch. + +2005-06-02 Diego Novillo + + PR 21582 + * tree-vrp.c (nonnull_arg_p): New. + (get_value_range): Call it. + +2005-06-02 Eric Christopher + + * config/mips/mips.h (processor_type): Remove PROCESSOR_DEFAULT, + add PROCESSOR_MAX. + (mips_rtx_cost_data): New datatype. + (MEMORY_MOVE_COST): Use data from structure. + (BRANCH_COST): Ditto. + (LOGICAL_OP_NON_SHORT_CIRCUIT): Define to zero. + * config/mips/mips.md (cpu): Rework for processor_type changes. + * config/mips/mips.c (mips_cost): New variable. + (DEFAULT_COSTS): Define. + (mips_rtx_cost_data): New. + (mips_rtx_costs): Use. Minor formatting changes. Use COSTS_N_INSNS + for NEG cost. Add support for FLOAT, UNSIGNED_FLOAT, FIX, + FLOAT_EXTEND, FLOAT_TRUNCATE, and SQRT. + (override_options): Set cost data. + (mips_register_move_cost): Formatting changes. + (bdesc_arrays): Use PROCESSOR_MAX. + (mips_init_builtins): Ditto. + +2005-06-02 Diego Novillo + + PR 21765 + * doc/invoke.texi: Document -ftree-vrp. + +2005-06-02 Dorit Nuzman + + PR tree-optimization/21734 + * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop): Use the + phi_result when current_def is not available. + (slpeel_update_phi_nodes_for_guard1): Don't fail if current_def is not + available. + +2005-06-02 David Edelsohn + + * config/rs6000/rs6000.c (rs6000_insn_valid_within_doloop): New. + (TARGET_INSN_VALID_WITHIN_DOLOOP): Define. + +2005-06-02 Diego Novillo + + * tree-vrp.c (has_assert_expr, maybe_add_assert_expr): Remove. + +2005-06-02 Jan Hubicka + + * cgraph.c (dump_cgraph_node): Print new flags. + (dump_cgraph_varpool_node): Likewise. + (decide_variable_is_needed): Initialize externally_visible flag. + * cgraph.h (cgraph_local_info): Add externally_visible flag. + (cgraph_varpool_node): Likewise. + (cgraph_function_flags_ready): Declare. + * cgraph.c (cgraph_mark_local_functions): Rename to ... + (cgraph_function_and_variable_visibility) ... this one; handle + externally_visible flags. + (decide_is_function_needed): Set externally_visible flag. + (cgraph_finalize_function): Deal properly with early cleanups. + (cgraph_optimize): Update call of + cgraph_function_and_variable_visibility. + +2005-06-02 Steven Bosscher + Mostafa Hagog + + * cfgloop.h (doloop_condition_get): Make external. + * loop-doloop.c (doloop_condition_get): Generalize to make it + usable in modulo-sched.c. + * modulo-sched.c (doloop_register_get): Use + doloop_condition_get instead of duplicating it. + +2005-06-02 Bernd Schmidt + + * reload1.c (reload): Undo 2005-04-20 change. Make sure we detect + the correct set of init_insns that need deletion. + * local-alloc.c (update_equiv_regs): When substituting sole definition + into sole use of a reg, delete it from liveness information. + +2005-06-02 Kaz Kojima + + * config/sh/sh.h (TARGET_FPU_DOUBLE): Use MASK_SH4. + +2005-06-01 Diego Novillo + + PR 14341, PR 21332, PR 20701, PR 21029, PR 21086, PR 21090 + PR 21289, PR 21348, PR 21367, PR 21368, PR 21458. + * fold-const.c (invert_tree_comparison): Make extern. + * tree-flow.h (enum value_range_type): Move to tree-ssa-propagate. + (struct value_range_def): Limewise. + (get_value_range): Remove. + (dump_value_range): Remove. + (dump_all_value_ranges): Remove. + (debug_all_value_ranges): Remove. + (vrp_evaluate_conditional): Declare. + * tree-ssa-propagate.c (struct prop_stats_d): Add field + num_pred_folded. + (substitute_and_fold): Add argument use_ranges_p. + Update all callers. + If use_ranges_p is true, call fold_predicate_in to fold + predicates using range information. + Ignore ASSERT_EXPRs. + Change debugging output to only show statements that have been + folded. + (replace_phi_args_in): Move debugging output code from + substitute and fold. + (fold_predicate_in): New local function. + * tree-ssa-propagate.h (enum value_range_type): Move from + tree-flow.h. + (struct value_range_d): Likewise. + Add field 'equiv'. + (value_range_t): Rename from value_range. + * tree-vrp.c (found_in_subgraph): Rename from found. + (get_opposite_operand): Remove. + (struct assert_locus_d): Declare. + (assert_locus_t): Declare. + (need_assert_for): Declare. + (asserts_for): Declare. + (blocks_visited): Declare. + (vr_value): Declare. + (set_value_range): Add argument 'equiv'. + Don't drop to VARYING ranges that cover all values in the + type. + Make deep copy of equivalence set 'equiv'. + (copy_value_range): New local function. + (set_value_range_to_undefined): New local function. + (compare_values): Return -2 if either value has overflowed. + (range_includes_zero_p): New local function. + (extract_range_from_assert): Flip the predicate code if the + name being asserted is on the RHS of the predicate. + Avoid creating unnecessary symbolic ranges if the comparison + includes another name with a known numeric range. + Update the equivalnce set of the new range when asserting + EQ_EXPR predicates. + (extract_range_from_ssa_name): Update the equivalence set of + the new range with VAR. + (extract_range_from_binary_expr): Also handle TRUTH_*_EXPR. + If -fwrapv is used, set the resulting range to VARYING if the + operation overflows. Otherwise, use TYPE_MIN_VALUE and + TYPE_MAX_VALUE to represent -INF and +INF. + Fix handling of *_DIV_EXPR. + (extract_range_from_unary_expr): Handle MINUS_EXPR and + ABS_EXPR properly by switching the range around if necessary. + (extract_range_from_comparison): New local function. + (extract_range_from_expr): Call it. + (adjust_range_with_scev): Do not adjust the range if using + wrapping arithmetic (-fwrapv). + (dump_value_range): Also show equivalence set. + Show -INF and +INF for TYPE_MIN_VALUE and TYPE_MAX_VALUE. + (build_assert_expr_for): Also build ASSERT_EXPR for EQ_EXPR. + (infer_value_range): Change return value to bool. + Add arguments 'comp_code_p' and 'val_p'. + Do not attempt to infer ranges from statements that may throw. + Store the comparison code in comp_code_p. + Store the other operand to be used in the predicate in val_p. + (dump_asserts_for): New. + (debug_asserts_for): New. + (dump_all_asserts): New. + (debug_all_asserts): New. + (register_new_assert_for): New. + (register_edge_assert_for): New. + (find_conditional_asserts): New. + (find_assert_locations): New. + (process_assert_insertions_for): New. + (process_assert_insertions): New. + (insert_range_assertions): Initialize found_in_subgraph, + blocks_visited, need_assert_for and asserts_for. + Call find_assert_locations and process_assert_insertions. + (remove_range_assertions): Add more documentation. + (vrp_initialize): Change return type to void. + Do not try to guess if running VRP is worth it. + (compare_name_with_value): New. + (compare_names): New. + (vrp_evaluate_conditional): Add argument 'use_equiv_p'. If + use_equiv_p is true, call compare_names and + compare_name_with_value to compare all the ranges for every + name in the equivalence set of the predicate operands. + Update all callers. + (vrp_meet): Try harder not to derive a VARYING range. + If two values meet, the resulting equivalence set is the + intersection of the two equivalence sets. + (vrp_visit_phi_node): Call copy_value_range to get the current + range information of the LHS. + (vrp_finalize): Create a value vector representing all the + names that ended up with exactly one value in their range. + Call substitute_and_fold. + (execute_vrp): Document equivalence sets in ranges. + * tree.h (SSA_NAME_VALUE_RANGE): Remove. + (struct tree_ssa_name): Remove field value_range. + (invert_tree_comparison): Declare. + +2005-06-01 Daniel Berlin + + Fix PR tree-optimization/21839 + + * gimplify.c (zero_sized_field_decl): New function. + (gimplify_init_ctor_eval): Use it. + +2005-06-01 Josh Conner + + PR 21478 + * gimplify.c (gimplify_init_constructor): Don't spill initializer + to read-only memory if it's sparse. + +2005-06-01 Ramana Radhakrishnan + + * doc/rtl.texi: Remove references to NOTE_INSN_SETJMP. + Add documentation for REG_SETJMP + +2005-06-01 Richard Guenther + + * stmt.c (expand_case): Use build_int_cst. + (node_has_low_bound): Likewise, and correct type mismatch. + (node_has_high_bound): Likewise. + * fold-const.c (fold_binary): Ensure we build trees + with the correct types - undo what STRIP_NOPS possibly did. + +2005-06-01 Richard Guenther + + * tree.h (fold_indirect_ref_1): Export from fold-const.c. + * fold-const.c (fold_indirect_ref_1): No longer static. + * tree-inline.c (copy_body_r): Use fold_indirect_ref_1 for + folding, if possible. + +2005-06-01 Joseph S. Myers + + * common.opt (fjump-tables): New. + * doc/invoke.texi (-fno-jump-tables): Document. + * stmt.c (expand_end_case_type): Do not emit jump tables unless + flag_jump_tables. + +2005-06-01 Richard Earnshaw + + * arm.md (bunordered, bordered, bungt, bunlt, bunge, bunle, buneq) + (bltgt, arm_buneq, arm_bltgt, sunordered, sordered, sungt, sunge) + (sunlt, sunle): Enable patterns on VFP. + + * arm.md (attribute 'type'): Add new types - f_loads floadd, f_stores, + f_stored, f_flag, f_cvt. + (generic_sched): No-longer used for the arm1020e and arm1022e cores. + Include arm1020e.md. + * vfp.md (fmstat): New cpu unit. Add an exclusion set between it and + the ds and fmac pipelines. Re-work all load and store patterns and + all conversion patterns to use new attributes. Adjust reservation + descriptions accordingly. + * arm1020e.md: New file. + * t-arm: Add dependency. + +2005-06-01 Jan Hubicka + + * except.c (struct eh_region): Kill unused fields. + * basic-block.h (struct basic_block_def): Likewise. + +2005-06-01 J"orn Rennecke + + PR rtl-optimization/21767 + * rtl.h (function_invariant_p): Re-add declaration. + * reload1.c (function_invariant_p): No longer static. + * ifcvt.c (dead_or_predicable): Remove REG_EQUAL notes that + might have become invalid. + +2005-06-01 Jakub Jelinek + + PR c/21536 + PR c/20760 + * gimplify.c (gimplify_decl_expr): Call gimplify_type_sizes + on variable sizes types if a decl is a pointer to a VLA. + (gimplify_type_sizes): Handle POINTER_TYPE and REFERENCE_TYPE. + Call gimplify_type_sizes on aggregate fields. Prevent infinite + recursion. + + * fold-const.c (fold_ternary): Optimize BIT_FIELD_REF of VECTOR_CST. + + * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss, _mm_set1_ps, + _mm_set_ps, _mm_setr_ps): Add __extension__. + * config/i386/emmintrin.h (_mm_set_sd, _mm_set1_pd, _mm_set_pd, + _mm_setr_pd, _mm_setzero_pd, _mm_set_epi64x, _mm_set_epi64x, + _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): + Likewise. + (_mm_clflush): Don't use return in void function. + + * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128, + _mm_castps_pd, _mm_castps_si128, _mm_castsi128_ps, _mm_castsi128_pd): + Use __inline instead of inline. + +2005-06-01 Richard Guenther + + * fold-const.c (fold_binary): Fix types in strlen vs. + zero comparison folding. + +2005-06-01 Richard Henderson + + * configure.ac (HAVE_AS_JSRDIRECT_RELOCS): New. + * config.in, configure: Rebuild. + * config/alpha/alpha.c (print_operand): Add 'j'. + * alpha.md (divmodsi_internal_er_1): Use it. + (divmoddi_internal_er_1): Likewise. + +2005-06-01 Richard Sandiford + + * system.h (TARGET_OPTIONS, TARGET_SWITCHES): Poison. + * opts.h (print_filtered_help): Delete. + * opts.c (handle_option, decode_options): Remove calls to + set_target_switch. + (print_target_help): New function. + (common_option, print_help): Call print_target_help instead of + display_target_options. + (print_filtered_help): Make static. + * toplev.h (display_target_options, set_target_switch): Delete. + * toplev.c (target_switches, target_options, display_target_options) + (set_target_switch): Delete. + (print_switch_values): Remove handling of TARGET_SWITCHES and + TARGET_OPTIONS. + (default_get_pch_validity): Likewise. Only treat target_flags + specially if targetm.check_pch_target_flags is nonnull. + (pch_option_mismatch): New function. + (default_pch_valid_p): Use it. Remove handling of TARGET_SWITCHES + and TARGET_OPTIONS. Only treat target_flags specially if + targetm.check_pch_target_flags is nonnull. + * config/ia64/ia64.c (ia64_override_options): Don't mention + TARGET_OPTIONS in comment. + * config/m68k/m68k-none.h (CC1_SPEC): Likewise. + * doc/invoke.texi: Remove a reference to TARGET_SWITCHES. + * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS): Don't mention the + interaction with TARGET_SWITCHES. + (TARGET_@var{featurename}, TARGET_SWITCHES, TARGET_OPTIONS): Delete. + +2005-06-01 Richard Sandiford + + * config/sh/sh.c (multcosts): Check sh_multcost rather than + sh_multcost_str. + (sh_register_move_cost): Likewise sh_gettrcost and sh_gettrcost_str. + (sh_multcost_str, sh_gettrcost_str, sh_div_str, sh_divsi3_libfunc) + (cut2_workaround_str): Delete. + * config/sh/sh.h (SUBTARGET_OPTIONS, TARGET_OPTIONS) + (TARGET_SH5_CUT2_WORKAROUND, sh_multcost_str, sh_gettrcost_str) + (sh_div_str, sh_divsi3_libfunc, cut2_workaround_str): Delete. + * config/sh/sh.opt (mcut2-workaround, mdiv=, mdivsi3_libfunc=) + (mgettrcost=, multcost=): New options. + +2005-06-01 Richard Sandiford + + * opts.h (cl_option_state): New structure. + (get_option_state): Declare. + * opts.c (get_option_state): New function. + * toplev.c (option_affects_pch_p): New function. + (default_get_pch_validity): Store the state of all options for which + option_affects_pch_p returns true. + (default_pch_valid_p): Check the state of those options here. + Only check target_flags separately if targetm.check_pch_target_Flags + is nonnull or if TARGET_SWITCHES is defined. + +2005-06-01 Richard Sandiford + + * config/mips/mips-protos.h (mips_use_ins_ext_p): Remove parameter + names. + +2005-06-01 Mostafa Hagog + + * modulo-sched.c (undo_generate_reg_moves ): Fix PR 21138. + +2005-06-01 Mostafa Hagog + + * gcse.c (compute_transp, load_killed_in_block): Use + MEM_READONLY_P. + +2005-06-01 David.Billinghurst + + PR target/21854 + * config/mips/mips-protos.h: Declare mips_use_ins_ext_p + +2005-05-31 Kaveh R. Ghazi + + * errors.h (warning, error, fatal, internal_error): Add printf + attribute. + * genmodes.c (make_vector_mode): Fix format arguments. + +2005-05-31 Kaveh R. Ghazi + + * basic-block.h, bb-reorder.c, c-gimplify.c, config/darwin.c, + config/rs6000/rs6000-c.c, dominance.c, gimple-low.c, gimplify.c, + lambda-code.c, lambda-trans.c, tree-browser.c, tree-cfg.c, + tree-chrec.c, tree-data-ref.c, tree-dfa.c, tree-eh.c, + tree-if-conv.c, tree-into-ssa.c, tree-loop-linear.c, + tree-mudflap.c, tree-nomudflap.c, tree-outof-ssa.c, + tree-pretty-print.c, tree-scalar-evolution.c, tree-sra.c, + tree-ssa-ccp.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c, + tree-ssa-dse.c, tree-ssa-forwprop.c, tree-ssa-live.c, + tree-ssa-operands.c, tree-ssa-phiopt.c, tree-ssa-pre.c, + tree-ssa-propagate.c, tree-ssa-sink.c, tree-ssa-threadupdate.c, + tree-ssa-uncprop.c, tree-ssa.c, tree-vect-analyze.c, + tree-vect-transform.c, tree-vectorizer.c, vec.c: Don't include + errors.h and include toplev.h if necessary. + + * rtl.c, varray.c: If we're compiling as a GENERATOR_FILE, include + errors.h otherwise include toplev.h. + + * Makefile.in: Update dependencies. + +2005-06-01 Danny Smith + + * config/i386/cygming.h (NO_PROFILE_COUNTERS): Define. + +2005-05-31 Geoffrey Keating + + * config/rs6000/rs6000.md (sync_boolcshort_internal): New. + * config/rs6000/rs6000.c (rs6000_emit_sync): Shift count must + be complemented for big-endian. Mask for AND must be rotated, + not shifted. Handle short operands with NOT on the memory + operation. + +2005-05-30 Daniel Berlin + + * c-objc-common.c (c_tree_printer): Check flag before hashtable. + Use DECL_DEBUG_EXPR and SET_DECL_DEBUG_EXPR. + * dwarf2out.c (dwarf2out_var_location): Ditto. + * toplev.c (default_tree_printer): Ditto. + * tree-outof-ssa.c (create_temp): Ditto. + * tree-sra.c (instantiate_element): Ditto. + * var-tracking.c (track_expr_p): Ditto. + * tree.c (struct tree_map): New structure. + (debug_expr_for_decl): New. + (tree_map_eq): New function. + (tree_map_hash): Ditto. + (tree_map_marked_p): Ditto. + (print_debug_expr_statistics): Ditto. + (decl_debug_expr_lookup): Ditto. + (decl_debug_expr_insert): Ditto. + (dump_tree_statistics): Dump debug_expr hashtable stats. + * tree.h (DECL_DEBUG_EXPR): Change + (SET_DECL_DEBUG_EXPR): Add. + +2005-06-01 Alan Modra + + * configure.ac: Add --enable-secureplt. + (HAVE_AS_REL16): Test for R_PPC_REL16 relocs. + * config.in: Regenerate. + * configure: Regenerate. + * config.gcc (powerpc64-*-linux*, powerpc-*-linux*): Add + rs6000/secureplt.h to tm_file when enable_secureplt. + * doc/invoke.texi (msecure-plt, mbss-plt): Document. + * doc/install.texi: Document --enable-targets and --enable-secureplt. + Correct xrefs to "Using the GNU Compiler Collection (GCC)". + * config/rs6000/secureplt.h: New file. + * config/rs6000/sysv4.h (TARGET_SECURE_PLT): Define. + (SUBTARGET_OVERRIDE_OPTIONS): Error if -msecure-plt given without + assembler support. + (CC1_SECURE_PLT_DEFAULT_SPEC): Define. + (CC1_SPEC): Delete duplicate mno-sdata. Invoke cc1_secure_plt_default. + (SUBTARGET_EXTRA_SPECS): Add cc1_secure_plt_default. + * config/rs6000/sysv4.opt (msecure-plt, bss-plt): Add options. + * config/rs6000/rs6000.h (TARGET_SECURE_PLT): Define. + * config/rs6000/rs6000.c (rs6000_emit_load_toc_table): Handle + TARGET_SECURE_PLT got register load sequence. + (rs6000_emit_prologue): Call rs6000_emit_load_toc_table when + TARGET_SECURE_PLT. + (rs6000_elf_declare_function_name): Don't emit toc address offset + word when TARGET_SECURE_PLT. + * config/rs6000/rs6000.md (elf_high, elf_low): Move past load_toc_*. + (load_toc_v4_PIC_1) Enable for TARGET_SECURE_PLT. + (load_toc_v4_PIC_3b, load_toc_v4_PIC_3c): New insns. + (call, call_value): Mark pic_offset_table_rtx used for sysv pic and + TARGET_SECURE_PLT. + (call_nonlocal_sysv, call_value_nonlocal_sysv, sibcall_nonlocal_sysv, + sibcall_value_nonlocal_sysv): Add 32768 offset when TARGET_SECURE_PLT + and -fPIC. + * config/rs6000/tramp.asm (trampoline_initial): Use "bcl 20,31". + (__trampoline_setup): Likewise. Init r30 before plt call. + +2005-05-31 DJ Delorie + + * expr.c (convert_move): When a partial_int requires multiple + conversion steps, make sure successive steps convert the + intermediate value, not the original value. + + * expmed.c (expand_mult): Convert partial_int multiplies to + shift/add combinations too. + + * genmodes.c (mode_data): Add wider_2x. + (calc_wider_mode): Calculate twice-wider mode too. + (emit_mode_wider): Emit twice-wider mode too. + * machmode.h (mode_2xwider, GET_MODE_2XWIDER_MODE): New. + * expr.c (expand_expr_real_1): Use it for expanding + multiplies. + +2005-05-31 Zdenek Dvorak + + PR tree-optimization/21817 + * tree-ssa-loop-im.c (for_each_index): Handle VECTOR_CST. + +2005-05-31 Pat Haugen + + * loop.c (loop_invariant_p, valid_initial_value_p): Revert last + change. + +2005-05-31 Andrew Pinski + + PR middle-end/20931 + PR middle-end/20946 + * fold-const.c (fold_checksum_tree): Copy types also if + TYPE_CONTAINS_PLACEHOLDER_INTERNAL is set. + Don't call fold_checksum_tree for TREE_LIST's TREE_CHAIN + first. + Tail recurse TREE_LIST's TREE_CHAIN. + +2005-05-31 Andrew Pinski + + PR tree-opt/21732 + * tree-ssa-copy.c (dump_copy_of): Create a bitmap and don't visit a + SSA_NAME twice and cause the loop to become finite. Remove the test + for val. + +2005-05-31 Andrew Pinski + + * tree-cfg.c (verify_expr): Add checking for COND_EXPR's conditional + expression. + +2005-05-31 Richard Sandiford + + * doc/tm.texi (TARGET_GET_PCH_VALIDITY, TARGET_PCH_VALID_P): Tweak + the documentation to make it more future-proof. + (TARGET_CHECK_PCH_TARGET_FLAGS): Document this new hook. + * target.h (gcc_target): Add check_pch_target_flags. + * target-def.h (TARGET_CHECK_PCH_TARGET_FLAGS): New macro. + (TARGET_INITIALIZER): Include it. + * toplev.c (default_pch_valid_p): Use targetm.check_pch_target_flags. + * config/sh/sh-protos.h (sh_pch_valid_p): Delete. + * config/sh/sh.c (TARGET_PCH_VALID_P, sh_pch_valid_p): Delete. + (sh_check_pch_target_flags): New function. + (TARGET_CHECK_PCH_TARGET_FLAGS): Override default. + +2005-05-31 Richard Guenther + + * fold-const.c (extract_array_ref): Handle more cases, + do some useful canonicalization of the base. + (fold_binary): Explicitly deal with arrays of zero-sized + structures during folding of &a[i] == &a[j]. + +2005-05-31 Eric Botcazou + + * doc/install.texi (sparc-sun-solaris2*): Update note + about Sun bug 4910101. + (sparc-sun-solaris2.7): Document bootstrap + failure with Sun WorkShop 6 99/08/18 as. + +2005-05-30 Pat Haugen + + * loop.c (loop_invariant_p, valid_initial_value_p): Use + regs_invalidated_by_call instead of call_used_regs. + +2005-05-30 Paolo Carlini + + PR middle-end/21743 + * builtins.def (BUILT_IN_CLOG, BUILT_IN_CLOGF, BUILT_IN_CLOGL): + Enable. + * doc/extend.texi: Add clog, clogf, clogl. + +2005-05-30 H.J. Lu + + PR middle-end/20303 + * c-pragma.c: Include "vec.h". + (handle_pragma_visibility): Use VEC. + + * doc/invoke.texi: Remove the nested visibility push limit. + +2005-05-30 Roger Sayle + + PR rtl-optimization/15422 + * reg-stack.c (starting_stack_p): New static global. + (straighten_stack): Delete prototype. Change to update the stack + before the current insn. + (subst_stack_regs): Update call to straighten stack. + (emit_swap_insn): Delete prototype. For the first insn in a + basic block, update stack_in instead of emitting a real swap. + (change_stack): When changing the stack before the first insn + in a basic block, update stack_in instead of emitting real code. + (compensate_edges): Clear starting_stack_p during compensation. + (convert_regs_1): Keep track of starting_stack_p whilst processing + a basic block. + +2005-05-30 Kazu Hirata + + * tree-ssa-ccp.c (const_val): Make it static. + +2005-05-29 Geoffrey Keating + + PR target/21761 + * config/rs6000/rs6000.md: Remove stray TARGET_32BIT from + pattern involving `:P'. + + * Makefile.in (install-cpp): Depend on installdirs. + +2005-05-30 Kazu Hirata + + * tree-outof-ssa.c (_elim_graph): Change the type of edge_list + to VEC(int,heap)*. + (new_elim_graph, clear_elim_graph, delete_elim_graph, + elim_graph_add_edge, elim_graph_remove_succ_edge, + FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED): Use VEC + instead of VARRAY. + +2005-05-29 Kazu Hirata + + * cgraphunit.c, ipa-inline.c, loop-iv.c, modulo-sched.c, + opts.c, postreload-gcse.c, tree-browser.def, tree-eh.c, + tree-ssa-copyrename.c, tree-vect-analyze.c: Fix typos and + follow spelling conventions in error/dump messages. + +2005-05-29 Roger Sayle + Richard Henderson + + * ifcvt.c (noce_emit_move_insn): Construct a SET pattern directly + if the RHS isn't suitable for calling emit_move_insn. + +2005-05-29 Kazu Hirata + + * tree-ssa-ccp.c (ccp_fold): Return immediately after calling + fold_unary and fold_binary. + +2005-05-29 Roger Sayle + + * reg-stack.c (propagate_stack): Always copy the source stack to + the destination. This routine is now only called when this is safe. + (better_edge): New function split out from convert_regs_1 to + determine which of two edges is better to propagate across. + (convert_regs_1): We need only search for a best edge if the + stack layout hasn't been defined yet. Use better_edge to help + find beste. No longer traverse unnecessary edges. + +2005-05-29 Keith Besaw + + * tree-ssa-alias.c (new_type_alias): New procedure to + create a type memory tag for a pointer with a may-alias + set determined from a variable declaration. + * tree-flow.h: export declaration of new_type_alias + * tree-optimize.c (init_tree_optimization_passes): document + that pass_may_alias cannot be called after pass_vectorize. + * tree-vect-transform (vect_create_data_ref_ptr): Call + new_type_alias when an type memory tag isn't available + for a reference. + (vectorizable_store): Use copy_virtual_operands to update + virtual defs in place (so that loop_version can be called). + Call mark_for_renaming for the virtual defs in case peeling + is done and virtual uses outside the loop need to be updated. + +2005-05-29 Dorit Naishlos + + PR tree-optimization/21639 + * tree-complex.c (pass_lower_vector_s): Remove TODO_ggc_collect. + +2005-05-29 Jan Hubicka + + PR tree-optimization/21562 + * cfgexpand.c (construct_init_block): Deal properly with the case + of entry edge not pointing to very first basic block. + +2005-05-28 Kazu Hirata + + * tree-ssa-ccp.c (ccp_fold): Remove code that produces + non-gimple min invariant. + + * Makefile.in (OBJS-common): Add tree-cfgcleanup.o. + * tree-flow.h: Add prototypes for start_recording_case_labels + and end_recording_case_labels. + * tree-cfg.c (start_recording_case_labels, + end_recording_case_labels): Export. + (cleanup_tree_cfg_loop, modified_noreturn_calls, + cleanup_control_flow, cleanup_control_expr_graph, + remove_fallthru_edge, phi_alternatives_equal, + tree_forwarder_block_p, has_abnormal_incoming_edge_p, + remove_forwarder_block, cleanup_forwarder_blocks, + remove_forwarder_block_with_phi, merge_phi_nodes, + gate_merge_phi, pass_merge_phi): Move to ... + * tree-cfgcleanup.c: ... here. + + * basic-block.h: Remove forward declaration of bb_ann_d. + +2005-05-28 Jan Hubicka + + * tree-ssa-threadupdate.c: (create_edge_and_update_destination_phis): + Update profile. + * value-prof.c (tree_divmod_fixed_value_transform): Be more verbose in + debug output. + (tree_mod_subtract): Fix profile updating code. + (tree_divmod_values_to_profile): Do not produce useless value profilers + for divisions. + +2005-05-28 Kazu Hirata + + * tree-ssa-dom.c (vrp_element_p): Define. + (vrp_hash_elt): Change the type of records to + VEC(vrp_element_p,heap). + (vrp_free): New. + (tree_ssa_dominator_optimize): Pass vrp_free to htab_create. + Update uses of VRP records. + (simplify_cond_and_lookup_avail_expr, record_range): Update + uses of VRP records. + + * tree-inline.c (cfun_stack): Change the type to + VEC(function_p,heap). + (push_cfun, pop_cfun): Use VEC instead of VARRAY. + +2005-05-27 Ian Lance Taylor + + * c-decl.c (add_stmt): Add C frontend specific version. + (stmts_are_full_exprs_p): Remove. + * c-common.h (STMT_IS_FULL_EXPR_P): Remove. + (stmts_are_full_exprs_p): Don't declare. + * c-semantics.c (add_stmt): Remove. + +2005-05-27 Kaveh R. Ghazi + + * config/mips/mips-protos.h (mips_declare_object): Add printf + attribute. + * config/mips/mips.c (mips_declare_object_name): Fix format + argument. + +2005-05-27 Roger Sayle + + * reg-stack.c (compensate_edge): Remove original prototype. + (propagate_stack): New function to copy the stack layout + at the start of a basic block from the layout at the end of + one of its predecessors. + (compensate_edge): Assume that both source and destination + blocks have already had their stack layouts defined. + (compensate_edges): Traverse all non-entry edges in the CFG + and call compensate_edge on each in turn. + (convert_regs_1): Change return type to void. Call + propagate_stack instead of compensate_edge. + (convert_regs_2): Change return type to void. Update call + to convert_regs_1 to ignore the (now void) return value. + (convert_regs): Update calls to convert_regs_2 to ignore + the (now void) return value. After all the basic blocks have + been processed, call compensate_edges to actually emit new + insns. + (reg_to_stack): Initialize the aux info for each basic block + with FOR_EACH_BB instead of which FOR_EACH_BB_REVERSE. + +2005-05-28 Jan Hubicka + + * except.c (can_throw_internal_1, can_throw_external_1): Add + "is_resx" argument. + (can_throw_external, can_throw_internal): Bring into sync wrt + dealing resx. + * except.h (can_throw_internal_1, can_throw_external_1): Update + prototype. + * tree-eh.c (tree_can_throw_internal, tree_can_throw_external): + Deal properly with resx. + +2005-05-27 Kazu Hirata + + * basic-block.h (basic_block_def): Add phi_nodes and + predictions. Remove tree_annotations. + * predict.c (tree_predicted_by_p, tree_predict_edge, + combine_predictions_for_bb): Adjust references to predictions. + * tree-cfg.c (init_empty_tree_cfg, create_bb): Don't call + create_block_annotation. + (create_block_annotation, free_blocks_annotatios, + clear_blocks_annotations): Remove. + (dump_cfg_stats): Don't print out the memory spent on + bb_ann_d. + (delete_tree_cfg_annotations): Don't call free_blocks_annotations. + * tree-flow-inline.h (bb_ann): Remove. + (phi_nodes, set_phi_nodes): Update references to phi_nodes. + * tree-flow.h (bb_ann_d): Remove. + * tree-if-conv.c (process_phi_nodes): Update a reference to + phi_nodes. + * tree-phinodes.c (reserve_phi_args_for_new_edge, + create_phi_node, remove_phi_node): Likewise. + * tree-pretty-print.c (dump_generic_bb_buff): Don't call bb_ann. + * tree-ssa-dom.c (threaded_blocks): New. + (tree_ssa_dominator_optimize): Initialize, clear, and free + threaded_blocks. Update a call to thread_through_all_blocks. + (thread_across_edge): Use threaded_blocks instead of setting + incoming_edge_threaded. + * tree-ssa-threadupdate.c (threaded_through_all_blocks): Take + a bitmap of blocks that are threaded through. + * tree.h: Move the prototype of threaded_through_blocks to + tree-flow.h. + + * domwalk.c (walk_dominator_tree, init_walk_dominator_tree, + fini_walk_dominator_tree): Use VEC instead of VARRAY. + * domwalk.h (dom_walk_data): Change the type of + block_data_stack and free_block_data to VEC(void_p,heap)*. + * tree-ssa-dse.c (dse_initialize_block_local_data, + dse_optimize_stmt, dse_record_phis, dse_finalize_block): Use + VEC instead of VARRAY. + +2005-05-27 Jan Hubicka + + * cgraph.c: Include tree-gimple.h + (cgraph_edge): Rename expr to stmt. + (cgraph_create_edge): Likewise. + (cgraph_clone_node): Likewise. + * cgraph.h (cgraph_node): Use call_stmt instead of call_expr. + * cgraphunit.c (record_call_1): Rename to ... + (record_reference): ... this one; do not build edges. + (cgraph_varpool_analyze_pending_decls): Call record_reference directly. + (current_basic_block): Kill. + (cgraph_create_edges): Rewrite to work on gimple statements nicely. + (verify_cgraph_node): Likewise. + * tree-inline.c (copy_body_r): Do not mess up with cgraph edges. + (copy_bb): Mess up with cgraph edges here; simplify EH handling. + (copy_edges_for_bb): Simplify EH handling. + (expand_call_inline): Pass statement to cgraph_edge and + cgraph_create_edge. + +2005-05-27 Richard Guenther + + * tree-inline.c (copy_body_r): Manually fold *& to deal + with ADDR_EXPRs with mismatched types for now. + + * gimplify.c (fold_indirect_ref_rhs): New function. + (gimplify_modify_expr_rhs): Use it instead of pessimistic + fold_indirect_ref. + + * fold-const.c (fold_indirect_ref_1): Add type argument; + make sure the resulting expression is of this type. + (build_fold_indirect_ref, fold_indirect_ref): Adjust callers. + +2005-05-27 Kazu Hirata + + PR tree-optimization/21658 + * tree-ssa-ccp.c (ccp_fold): Call fold_binary instead of + fold_binary_to_constant. Likewise, call fold_unary instead of + fold_unary_to_constant. + +2005-05-27 Nathan Sidwell + + * vec.h: Implement integral type vector specialization. + (VEC_T): Define a non-GTY structure. + (VEC_T_GTY): Define a GTY structure. + (VEC_TA): Rename to ... + (VEC_TA_GTY): ... here. + (DEF_VEC_I, DEF_VEC_ALLOC_I): New. + (DEF_VEC_P, DEF_VEC_ALLOC_P): Adjust. + (DEF_VEC_FUNC_P, DEF_VEC_ALLOC_FUNC_P): New, broken out of + DEF_VEC_P and DEF_VEC_ALLOC_P. + (DEF_VEC_O, DEF_VEC_ALLOC_O): Adjust. + (DEF_VEC_FUNC_O, DEF_VEC_ALLOC_FUNC_O): New, broken out of + DEF_VEC_O and DEF_VEC_ALLOC_O. + * global.c: Use DEF_VEC_I, DEF_VEC_ALLOC_I. + * lambda-code.c: Likewise. + * tree-into-ssa.c: Likewise. + * tree-ssa-live.c: Likewise. + +2005-05-27 Kazu Hirata + + * tree-into-ssa.c (update_ssa): Ensure that the operand cache + is up-to-date. + * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call + update_stmt_if_modified before calling update_ssa. + +2005-05-27 Ralf Corsepius + + * config/rs6000/t-rtems: Remove roe multilib variant. + +2005-05-26 Roger Sayle + + PR tree-optimization/9814 + * ifcvt.c (noce_emit_move_insn): If we fail to recognize the move + instruction, add the necessary clobbers by re-expanding the RTL + for arithmetic operations via optab.c's expand_unop/expand_binop. + (noce_try_bitop): New function to optimize bit manipulation idioms + of the form "if (x & C) x = x op C" and "if (!(x & C) x = x op C". + (noce_process_if_block): Call noce_try_bitop. + +2005-05-26 Roger Sayle + + * reg-stack.c (convert_regs_entry, convert_regs_exit, + convert_regs_1, convert_regs_2, convert_regs): Delete prototypes. + (reg_to_stack): Move to end of the file. Initialize the per + basic block information here, instead of... + (convert_regs_entry): Here. + (convert_regs): Change unused return type to void. + +2005-05-27 Kazu Hirata + + * c-pch.c, timevar.c, timevar.h, unwind-compat.c, + unwind-dw2-fde-compat.c, unwind-dw2-fde.c, config/mmix/mmix.h, + config/rs6000/eabispe.h, config/rs6000/lynx.h, + config/sh/elf.h, config/sh/symbian-pre.h, + config/sparc/sparc-protos.h: Update copyright. + +2005-05-26 Mike Stump + + * darwin.h (ASM_OUTPUT_LABELREF): Handle quoted non-lazy pointers + for Objective-C++. + +2005-05-26 Richard Guenther + + * tree-ssa-forwprop.c (forward_propagate_addr_expr): + See through ADDR_EXPR in finding place to propagate into. + +2005-05-26 Kazu Hirata + + * c-common.c, c-parser.c, cfgbuild.c, cfghooks.c, cfghooks.h, + cfgrtl.c, cgraphunit.c, ddg.c, expr.h, gcse.c, ggc-page.c, + ggc-zone.c, gimplify.c, ipa-inline.c, longlong.h, targhooks.c, + tree-flow-inline.h, tree-pass.h, tree-ssa-dse.c, + tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c, + tree-ssa-operands.c, tree-vect-analyze.c, + tree-vect-transform.c, tree-vectorizer.c, tree.c, + config/arm/arm.c, config/bfin/bfin.c, config/frv/frv.c, + config/frv/frv.md, config/i386/i386.c, config/i386/sse.md, + config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h, + config/mcore/mcore.c, config/mips/mips.c, config/mips/mips.md, + config/rs6000/darwin-ldouble.c, config/rs6000/rs6000.c, + config/rs6000/rs6000.h, config/sh/sh.c, config/sh/sh.md, + config/sh/ushmedia.h, config/sparc/sparc.c, + config/sparc/sparc.md, config/stormy16/stormy-abi: Fix comment + typos. Follow spelling conventions. + * doc/invoke.texi, doc/tm.texi, doc/tree-ssa.texi: Fix typos. + Follow spelling conventions. + +2005-05-26 David Ung + + * config/mips/mips.c (mips_use_ins_ext_p): New helper function + that determines whether the MIPS32/64 R2 ext/ins should be used. + * config/mips/mips.h (ISA_HAS_EXT_INS): New macro. + * config/mips/mips.md (extzv): Changed predicate for operand to + nonimmediate_operand. Add code to generate insn patterns for + extzvsi and extzvdi. + (extzv): New pattern to match mips32/64 r2 ext insn. + (insv): Similarly for insertion. + (insv): Similarly. + +2005-05-26 Paolo Bonzini + + * simplify-rtx.c (avoid_constant_pool_reference): Support + offsetted addresses in the constant pool. + +2005-05-26 Paolo Bonzini + + * df.h (DF_SUBREGS, df_local_def_available_p, df_insn_modified_p): New. + * df.c (DF_SUBREGS, df_local_def_available_p, df_insn_modified_p): New. + +2005-05-26 Jakub Jelinek + + PR target/21716 + * reg-stack.c (swap_rtx_condition): Don't crash if %ax user was not + found in the basic block and last insn in the basic block is not + INSN_P. Remove explicit unspec numbers that are no longer valid + from comments. + +2005-05-26 Paolo Bonzini + + * tree-vect-transform.c (vectorizable_operation): Try word_mode + vectorization if UNITS_PER_WORD == UNITS_PER_SIMD_WORD, even + if a vector mode is available. + +2005-05-25 Roger Sayle + + PR middle-end/21709 + * fold-const.c (const_binop): Check for division by zero during + complex division. + +2005-05-26 Ian Lance Taylor + + * reload1.c (verify_initial_elim_offsets): Add braces to avoid + having a declaration after a statement. + +2005-05-26 Richard Sandiford + + * opt-functions.awk (var_type): New function. + (var_set): Use CLVC_STRING if var_type returns "const char *". + * opth-gen.awk: Use var_type to find out the types of variables. + Don't print comments above each "extern" definition. + * optc-gen.awk: Use var_type in the same way. + * opts.h (cl_var_cond): Rename to... + (cl_var_type): ...this. Add CLVC_STRING. + (cl_option): Make "flag_var" a "void *" pointer. Replace "var_cond" + with "var_type". + * opts.c (handle_option, option_enabled): Update after above name + change. Cast flag_var before using it. Handle CLVC_STRING. + + * config/alpha/alpha.h (alpha_tls_size): Delete. + * config/alpha/alpha.c (alpha_tls_size, alpha_cpu_string) + (alpha_tune_string, alpha_tp_string, alpha_fprm_string) + (alpha_fptm_string, alpha_mlat_string): Delete. + (alpha_handle_option): Don't set the above variables here. Use the + integer argument to check the validity of -mtls-size=. + * config/alpha/alpha.opt (mcpu=, mtune=, mfp-rounding-mode=) + (mfp-trap-mode=, mtrap-precision=, mmemory-latency=): Add Var()s. + (mtls-size=): Likewise. Convert to a UInteger and initialize the + variable to 32. + + * config/arc/arc.c (arc_cpu_string, arc_text_string) + (arc_data_string, arc_rodata_string): Delete. + (arc_handle_option): Don't set the above variables here. + * config/arc/arc.opt (mcpu=, mtext=, mdata=, mrodata=): Add Var()s + and initialize them. + + * config/arm/arm.c (target_fpu_name, target_fpe_name) + (target_float_abi_name, target_abi_name, structure_size_string) + (arm_pic_register_string): Delete. + (arm_handle_option): Don't set the above variables here, except + in the handling of -mhard-float and -msoft-float. + * config/arm/arm.opt (mabi=, mfloat-abi=, mfp=, mfpe=, mfpu=) + (mpic-register=, mstructure-size-boundary=): Add Var()s. + + * config/avr/avr.c (avr_init_stack, avr_mcu_name, TARGET_HANDLE_OPTION) + (avr_handle_option): Delete. + * config/avr/avr.opt (mmcu=, minit-stack=): Add Var()s and initialize + them. + + * config/bfin/bfin.c (bfin_library_id): Delete. + (bfin_handle_option): Don't set it. + * config/bfin/bfin.opt (mshared-library-id=): Add Var(). + + * config/c4x/c4x.h (c4x_rpts_cycles): Delete. + * config/c4x/c4x.c (c4x_rpts_cycles): Delete. + (c4x_handle_option): Don't set c4x_rpts_cycles here. + * config/c4x/c4x.opt (mrpts=): Add Var(). + + * config/cris/aout.h (CRIS_SUBTARGET_HANDLE_OPTION): Don't set + cris_elinux_stacksize_str here. + * config/cris/aout.opt (melinux-stacksize=): Add Var(). + * config/cris/cris.h (cris_max_stackframe_str, cris_cpu_str) + (cris_tune_str, cris_elinux_stacksize_str): Delete. + * config/cris/cris.c (cris_max_stackframe_str, cris_cpu_str) + (cris_tune_str, cris_elinux_stacksize_str): Delete. + (cris_handle_option): Don't set the above variables here. + * config/cris/cris.opt (mcpu=, march=, mtune=, mmax-stackframe=) + (max-stackframe=): Add Var()s. + + * config/i386/i386.h (ix86_tune_string, ix86_arch_string): Delete. + * config/i386/i386.c (ix86_cmodel_string, ix86_asm_string) + (ix86_tls_dialect_string, ix86_tune_string, ix86_arch_string) + (ix86_fpmath_string, ix86_regparm_string, ix86_align_loops_string) + (ix86_align_jumps_string, ix86_preferred_stack_boundary_string) + (ix86_branch_cost_string, ix86_align_funcs_string): Delete. + (ix86_handle_option): Don't set the above variables here. + * config/i386/i386.opt (malign-functions=, malign-jumps=) + (malign-loops=, march=, masm=, mbranch-cost=, mcmodel=, mfpmath=) + (mpreferred-stack-boundary=, mregparm=, mtls-dialect=, mtune=): Add + Var()s. + + * config/ia64/ia64.h (ia64_tls_size): Delete. + * config/ia64/ia64.c (ia64_tls_size): Delete. + (ia64_handle_option): Treat -mtls-size= as a UInteger option, + reading the integer argument from the "value" parameter. Don't + set ia64_tls_size here. + * config/ia64/ia64.opt (mtls-size=): Turn into a UInteger option. + Add Var() and Init(). + + * config/m32r/m32r.h (m32r_cache_flush_func): Delete. + (m32r_cache_flush_trap): Delete. + * config/m32r/m32r.c (m32r_cache_flush_func): Delete. + (m32r_cache_flush_trap): Delete. + (m32r_handle_option): Don't set the above variables when handling + -mflush-func= and -mflush-trap=. + * config/m32r/m32r.opt (-mflush-func=, -mflush-trap=): Add Var()s + and Init()s. + + * config/mips/mips.h (mips_cache_flush_func): Delete. + * config/mips/mips.c (mips_arch_string, mips_tune_string) + (mips_cache_flush_func): Delete. + (mips_handle_option): Don't set the above variables when handling + -march=, -mtune= and -mflush-func=. + * config/mips/mips.opt (march=, mflush-func=, mtune=): Add Var()s. + + * config/s390/s390.c (s390_arch_string): Delete. + (s390_handle_option): Don't set it here. + * config/s390/s390.opt (march=): Add Var(). + + * config/sparc/sparc.h (sparc_cmodel_string): Delete. + * config/sparc/sparc.c (sparc_cmodel_string): Delete. + (sparc_handle_option): Don't set it here. + * config/sparc/sparc.opt (mcmodel=): Add Var(). + +2005-05-25 Roger Sayle + + * convert.c (convert_to_integer) : Avoid recursive + call to convert_to_integer by building the NOP_EXPR directly. + +2005-05-25 Richard Sandiford + + * config/rs6000/rs6000.opt (mprioritize-restricted-insns=): Fix typo. + +2005-05-25 Daniel Berlin + Jeff Law + + * tree-cfg.c (verify_expr, case ADDR_EXPR): Verify invariant, + constant and side_effects of the ADDR_EXPR are consistent. + + * tree-nested.c (convert_local_reference): Set CURRENT_FUNCTION_DECL + appropriately around calls to recompute_tree_invarant_for_addr_expr. + +2005-05-25 Ulrich Weigand + + * config/s390/s390.c (GP_ARG_NUM_REG, FP_ARG_NUM_REG): New defines. + (s390_function_arg, s390_gimplify_va_arg): Use them. + (s390_register_info): Save only required subset of argument + registers into save area for va_list. + (s390_va_start): Initialize only required elements of va_list struct. + (s390_build_builtin_va_list): Set va_list_[gf]pr_counter_field. + +2005-05-25 Ulrich Weigand + + * reload1.c (verify_initial_elim_offsets): Return boolean status + instead of aborting. + (reload): Adapt verify_initial_elim_offsets call site. Restart + main loop if some initial elimination offsets changed. + +2005-05-25 Adam Nemet + + * config/rs6000/lynx.h (CC1_SPEC): Use -maix-struct-return instead + of -mno-svr4-struct-return. + +2005-05-25 Daniel Berlin + + Fix PR tree-optimization/21705 + + * tree-ssa-pre.c (in_fre): New static variable. + (create_value_expr_from): Recursively value number reference ops + in argument lists. + (can_value_number_call): Temporary restrict only exists for + PRE, not FRE. + +2005-05-25 Kazu Hirata + + * tree-into-ssa.c (rewrite_into_ssa, update_ssa): Replace + sizeof (bitmap *) with sizeof (bitmap). + +2005-05-25 Daniel Berlin + + * lambda-code.c (perfect_nestify): Call update_stmt on the exit + condition. + +2005-05-25 Adrian Straetling + + * config/s390/s390.c (TARGET_INSN_VALID_WITHIN_DOLOOP): Set to + hook_bool_rtx_true. + +2005-05-25 Jan Hubicka + + * Makefile.in (ipa-inline.o): Add COEVERAGE_H dependency. + * cgraph.c (cgraph_create_node): Reset estimated_growth. + * cgraph.h (cgraph_global_info): Add estimated_growth. + * ipa-inline.c: Include coverage.h + (max_insns, max_count): New static variables. + (cgraph_estimate_size_after_inlining): Cache the result. + (cgraph_estimate_growth): + * passes.c (rest_of_clean_state): Kill coverage_end_function. + * timevar.def (TV_INLINE_HEURISTICS): New timevar. + * tree-optimize.c (init_tree_optimization_passes): Move profiling before + inlining. + (ipa_passes): Initialize bitmaps. + +2005-05-25 Adrian Straetling + + * loop-doloop.c: Include "target.h". + (doloop_valid_p): Move tests to function in targhooks.c. + * target.h (struct gcc_target): New target hook + "insn_valid_within_doloop". + * target-def.h: Define default value for "insn_valid_within_doloop". + (TARGET_INITIALIZER): Insert new target hook into initializer. + * targhooks.c (default_insn_valid_within_doloop): New function. + * targhooks.h (default_insn_valid_within_doloop): Declare. + * hooks.c (hook_bool_rtx_true): New function. + * hooks.h (hook_bool_rtx_true): Declare. + * doc/tm.texi: Add documentation for new target hook. + +2005-05-25 Eric Botcazou + + PR target/21412 + * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): New macro + * config/sparc/sparc-protos.h (tls_symbolic_operand): Delete. + (sparc_tls_referenced_p): New prototype. + * config/sparc/sparc.c (tls_symbolic_operand): Delete. + (sparc_expand_move): Look for TLS addresses with constant offsets. + (legitimate_constant_p): Use SPARC_SYMBOL_REF_TLS_P instead of + tls_symbolic_operand. + (legitimate_pic_operand_p): Likewise. + (legitimate_address_p): Likewise. + (legitimize_address): Likewise. + (sparc_tls_symbol_ref_1): New function. + (sparc_tls_referenced_p): New function. + * config/sparc/predicates.md (tgd_symbolic_operand): Use + SYMBOL_REF_TLS_MODEL instead of tls_symbolic_operand. + (tld_symbolic_operand): Likewise. + (tie_symbolic_operand): Likewise. + (tle_symbolic_operand): Likewise. + +2005-05-24 DJ Delorie + + * common.opt (-Wattributes): New. Default true. + * doc/invoke.texi (-Wno-attributes): Document. + + * attribs.c (decl_attributes): Move warning control from if() to + warning(OPT_*). + * c-common.c (handle_packed_attribute): Likewise. + (handle_nocommon_attribute): Likewise. + (handle_common_attribute): Likewise. + (handle_noreturn_attribute): Likewise. + (handle_noinline_attribute): Likewise. + (handle_always_inline_attribute): Likewise. + (handle_used_attribute): Likewise. + (handle_unused_attribute): Likewise. + (handle_const_attribute): Likewise. + (handle_transparent_union_attribute): Likewise. + (handle_constructor_attribute): Likewise. + (handle_destructor_attribute): Likewise. + (handle_mode_attribute): Likewise. + (handle_alias_attribute): Likewise. + (handle_visibility_attribute): Likewise. + (handle_tls_model_attribute): Likewise. + (handle_malloc_attribute): Likewise. + (handle_returns_twice_attribute): Likewise. + (handle_pure_attribute): Likewise. + (handle_deprecated_attribute): Likewise. + (handle_vector_size_attribute): Likewise. + (handle_nothrow_attribute): Likewise. + (handle_cleanup_attribute): Likewise. + (handle_warn_unused_result_attribute): Likewise. + (handle_sentinel_attribute): Likewise. + * c-decl.c (diagnose_mismatched_decls): Likewise. + (start_decl): Likewise. + (grokdeclarator): Likewise. + (start_function): Likewise. + * c-format.c (check_function_format): Likewise. + * stor-layout.c (place_field): Likewise. + (finalize_record_size): Likewise. + * tree.c (handle_dll_attribute)): Likewise. + * varasm.c (default_assemble_visibility): Likewise. + * config/darwin.c (darwin_handle_weak_import_attribute): Likewise. + (darwin_assemble_visibility): Likewise. + * config/arc/arc.c (arc_handle_interrupt_attribute): Likewise. + * config/arm/arm.c (arm_handle_fndecl_attribute): Likewise. + (arm_handle_isr_attribute): Likewise. + * config/avr/avr.c (avr_handle_progmem_attribute): Likewise. + (avr_handle_fndecl_attribute): Likewise. + * config/bfin/bfin.c (handle_int_attribute): Likewise. + * config/c4x/c4x.c (c4x_handle_fntype_attribute): Likewise. + * config/h8300/h8300.c (h8300_handle_fndecl_attribute): Likewise. + (h8300_handle_eightbit_data_attribute): Likewise. + (h8300_handle_tiny_data_attribute): Likewise. + * config/i386/i386.c (ix86_handle_cdecl_attribute): Likewise. + (ix86_handle_regparm_attribute): Likewise. + (ix86_handle_struct_attribute): Likewise. + * config/i386/winnt.c (ix86_handle_shared_attribute): Likewise. + (i386_pe_encode_section_info): Likewise. + * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise. + * config/ip2k/ip2k.c (ip2k_handle_progmem_attribute): Likewise. + (ip2k_handle_fndecl_attribute): Likewise. + * config/m32r/m32r.c (m32r_handle_model_attribute): Likewise. + * config/m68hc11/m68hc11 (m68hc11_handle_page0_attribute): Likewise. + (m68hc11_handle_fntype_attribute): Likewise. + (m68hc11_encode_section_info): Likewise. + * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise. + * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise. + * config/ns32k/ns32k.c (ns32k_handle_fntype_attribute): Likewise. + * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute): Likewise. + * config/sh/sh.c (sh_handle_interrupt_handler_attribute): Likewise. + (sh_handle_sp_switch_attribute): Likewise. + (sh_handle_trap_exit_attribute): Likewise. + * config/sh/symbian.c (sh_symbian_dllimport_p): Likewise. + (sh_symbian_handle_dll_attribute): Likewise. + * config/stormy16/stormy16.c (xstormy16_handle_interrupt_attribute): Likewise. + (xstormy16_handle_below100_attribute): Likewise. + * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise. + + * c-common.c (unsigned_conversion_warning): Move warning control + from if() to warning(OPT_*). + (c_common_truthvalue_conversion): Likewise. + (c_do_switch_warnings): Likewise. + * c-decl.c (diagnose_mismatched_decls): Likewise. + (diagnose_mismatched_decls): Likewise. + (define_label): Likewise. + (grokdeclarator): Likewise. + * c-format.c (check_format_info): Likewise. + * c-lex.c (interpret_integer): Likwise. + (lex_string): Likewise. + * c-opts.c (c_common_post_options): Likewise. + * c-parser.c (c_parser_unary_expression): Likewise. + * c-pragma.c (handle_pragma_redefine_extname): Likewise. + (handle_pragma_extern_prefix): Likewise. + * c-typeck.c (build_binary_op): Likewise. + * gcse.c (is_too_expensive): Likewise. + * opts.c (decode_options): Likewise. + * stor-layout.c (place_field): Likewise. + * tree-cfg.c (remove_bb): Likewise. + + * c.opt (-Wreturn-type): Add Var(warn_return_type). + * flags.h (warn_return_type): Remove. + * toplev.c (warn_return_type): Likewise. + +2005-05-24 Kelley Cook + + * configure.ac: Don't use gcc_AC_C_LONG_LONG. Check for + existence of long long and __int64 before determining their size. + * aclocal.m4: Delete gcc_AC_C_LONG_LONG. + * configure, config.h.in: Regenerate. + +2005-05-24 Kelley Cook + + * configure: Regenerate. + +2005-05-24 Ziemowit Laski + + * c-common.h (objc_comptypes): Remove prototype. + (objc_compare_types): New prototype. + (objc_volatilized_decl): Likewise. + (objc_type_quals_match): Likewise. + * c-decl.c (objc_mark_locals_volatile): Streamline by calling + objc_volatilize_decl(). + * c-typeck.c (comp_target_types): Remove third parameter; do + not call objc_comptypes(). + (comptypes): Remove calls to objc_comptypes(). + (build_function_call): Extend compatible prototype check to ObjC. + (build_conditional_expr): Adjust call to comp_target_types(). + (convert_for_assignment): Call objc_compare_types() instead of + objc_comptypes(); adjust calls to comp_target_types(); call + objc_type_quals_match() before issuing qualifier mismatch + warnings. + (build_binary_op): Call objc_compare_types() before issuing + pointer mismatch warnings; adjust calls to + comp_target_types(). + * stub-objc.c (objc_comptypes): Remove stub. + (objc_compare_types): New stub. + (objc_volatilized_decl): Likewise. + (objc_type_quals_match): Likewise. + +2005-05-24 Paolo Carlini + + * config/ia64/ia64intrin.h: Define nothing for C++: + overloaded builtins have been ported to C++. + +2005-05-24 Jeff Law + + * tree-nested.c (build_addr): New "context" argument. Temporarily + set current_function_decl around the call to build the ADDR_EXPR. + (get_static_chain): Pass proper context to build_addr. + (convert_nl_goto_reference): Likewise. + (convert_tramp_reference): Likewise. + (final_nesting_tree_1): Likewise. + * tree-profile.c (tree_gen_interval_profiler): Likewise. + (tree_gen_pow2_profiler): Likewise. + (tree_gen_one_value_profiler): Likewise. + * tree-ssa-loop-ivopts.c (build_addr_strip_iref): Likewise. + * tree.h (build_addr): Update prototype. + +2005-05-24 Kazu Hirata + + * tree-flow.h (bb_ann_d): Remove has_escape_site. + * tree-ssa-alias.c (compute_points_to_addr_escape): Don't + write to has_escape_site. + +2005-05-24 Jeff Law + + * Makefile.in (tree-cfg.o): Depend on tree-ssa-propagate.h. + * tree-cfg.c: Include tree-ssa-propagate.h. + (replace_uses_by): Call recompute_tree_invarant_for_addr_expr as + needed. + +2005-05-24 Nick Clifton + + * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define + __NO_FPRS__ when 'f' class registers will not be available. + +2005-05-24 Kazuhiro Inaoka + + * config/m32r/m32r.c (m32r_expand_block_move): Return 0 if + nothing was done. + * config/m32r/m32r.md (movmemsi): If m32r_expand_block_move did + nothing then FAIL. + * config/m32r/m32r/m32r-protos.h (m32r_expand_block_move): Update + prototype. + +2005-05-23 Jeff Law + + * tree-ssa-dom.c (cprop_into_stmt): Do not call + recompute_tree_invariant_for_addr_expr here. + (optimize_stmt): Call it here instead and do so if anything + at all has changed in the statement and the RHS is an ADDR_EXPR. + * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): If + needed, call recompute_tree_invariant_for_addr_expr. + * tree-ssa-propagate.c (substitute_and_fold): Call + recompute_tree_invariant_for_addr_expr as needed. + +2005-05-23 Andreas Krebbel + + * config/s390/s390.c (s390_optimize_prologue): Don't replace an insn + saving less registers than the replacement. + +2005-05-23 Jan Hubicka + + * tree-flow.h (stmt_ann_d): Kill GTY ((skip)) mark on BB. + +2005-05-23 Eric Botcazou + + * config/sparc/sparc-protos.h (sparc_expand_move): New prototype. + * config/sparc/sparc.c (sparc_expand_move): New function. + (sparc_emit_set_const64): Rewrite assert condition on entry. + (legitimate_constant_p) : New case. + (legitimize_pic_address): Use TARGET_ARCH64 to select the mode. + * config/sparc/sparc.md (movqi, movhi, movsi, movdi, movV32, + movV64, movtf): Use nonimmediate_operand for the first operand. + Rewrite. Only invoke sparc_expand_move. + * config/sparc/predicates.md (input_operand): Reorder tests. + +2005-05-23 Jan Beulich + + * gthr-posix.h (__gthread_recursive_mutex_init_function): Add + missing return statement. + +2005-05-22 Eric Botcazou + + * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Use + emit_move_insn for moves to TFmode stack slots. + +2005-05-21 Richard Guenther + + * tree-stdarg.c (execute_optimize_stdarg): Handle references + to va_list of the form &va[0]. + +2005-05-20 Jan Hubicka + + * Makefile.in (insn-emit.o): Add basic-block.h dependency. + * genemit.c (main): Make insn-emit to include basic-block.h too. + +2005-05-20 Jan Hubicka + + * cgraphunit.c (cgraph_expand_function): Force function being lowered. + +2005-05-19 Richard Henderson + + * config/alpha/alpha.c (emit_unlikely_jump, emit_load_locked, + emit_store_conditional): Split out from ... + (alpha_split_atomic_op): ... here. + (alpha_split_compare_and_swap): New; extract from .md file. + (alpha_split_lock_test_and_set): Likewise. + * config/alpha/alpha-protos.h: Update. + * config/alpha/sync.md (sync_compare_and_swap): Move + split code into alpha.c. + (sync_lock_test_and_set): Likewise. + +2005-05-19 Richard Henderson + + * unwind.h, unwind-pe.h: Revert gcc_unreachable change of 05-17. + +2005-05-19 Richard Henderson + + * config/i386/sse.md (mulv4si3): Use all register inputs. + (mulv2di3): Likewise. + +2005-05-19 Richard Guenther + + * tree-ssa-loop-ivopts.c (determine_base_object): Use + build_fold_addr_expr to generate trees of correct type. + Use fold_buildN if possible. + +2005-05-19 Jan Hubicka + + * basic-block.h (REG_BR_PROB_BASE): Define. + * cgraph.c (cgraph_create_edge): Initialize loop_nest and count. + (dump_cgraph_node): Dump count. + (cgraph_clone_edge): Rescale counts. + (cgraph_clone_node): Likewise. + * cgraph.h: Include basic-block.h + (cgraph_node): Add count. + (cgraph_edge): Add count and loop_nest. + (cgraph_node, cgraph_edge, cgraph_clone_edge, cgraph_clone_node): + Update prototypes. + * cgraphunit.c: Kill now redundant inlining comment. + (cgraph_create_edges): Make static, maintain current basic block; + fix pasto. + (record_call_1): Fill in new fields. + * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of + cgraph_clone_node. + (cgraph_decide_recursive_inlining): Likewise. + * rtl.h (REG_BR_PROB_BASE): Kill. + * tree-inline.c (copy_body_r): Update call of cgraph_clone_edge. + (expand_call_inline): Update call of cgraph_create_edge. + * tree-optimize.c (tree_rest_of_compilation): Likewise. + +2005-05-19 Nick Clifton + + * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use the + new rs6000_explicit_options structure. + +2005-05-19 Richard Henderson + + PR target/21390 + * config/alpha/alpha.c (alpha_emit_conditional_branch): Move + TFmode code swapping ... + (alpha_emit_xfloating_compare): ... here. + (alpha_emit_setcc): Update to match. + (alpha_lookup_xfloating_lib_func): Assert TARGET_HAS_XFLOATING_LIBS. + +2005-05-19 Richard Henderson + + PR target/21657 + * config/ia64/ia64.c (ia64_expand_tls_address): Remove extra + memory indirection in local-dynamic case. + +2005-05-18 Jie Zhang + Bernd Schmidt + + * config/bfin/bfin.c (branch_dest): Add comment why it's + necessary. + * config/bfin/bfin.md (attr "length" default): Change the offset of + forward conditional branch of length 4 from 4096 to 4092. + +2005-05-19 Jan Beulich + + * unwind-compat.c: Include tconfig.h and tsystem.h. + * unwind-dw2-fde-compat.c: Likewise. + +2005-05-18 Richard Henderson + + PR 21541 + * ifcvt.c (noce_process_if_block): Avoid conversion when the + memory destination is readonly. + +2005-05-18 Richard Henderson + + PR 21541 + * tree-ssa-operands.c (opf_non_specific): New. + (get_asm_expr_operands): Set it. + (add_call_clobber_ops, add_call_read_ops): Likewise. + (add_stmt_operand): Test it instead of opf_kill_def when + considering unmodifiable variables. + + * tree-ssa-operands.c (get_expr_operands): Fix exact test. + +2005-05-19 Kazu Hirata + + * cfgexpand.c, tree-cfg.c, tree-inline.c, tree-optimize.c, + tree-ssa-forwprop.c: Fix comment typos. + * doc/invoke.texi: Fix a typo. + +2005-05-18 Richard Henderson + + * config.gcc (powerpc-*-linux*): Include linux64.opt when + including linux64.h. + +2005-05-18 Richard Henderson + + * tree-cfg.c (pass_remove_useless): Revert last change. + * tree-optimize.c (init_tree_optimization_passes): Initialize + all_lowering_passes with PROP_gimple_any. + +2005-05-18 Devang Patel + + * config/rs6000/rs6000.md (insvsi_internal1): Subtract shift from + the mask end. + +2005-05-18 Richard Henderson + + * tree-ssa-forwprop.c (cfg_changed): New. + (tidy_after_forward_propagate_addr): New. + (forward_propagate_addr_expr): Use it, and fold_stmt_inplace. + (forward_propagate_addr_into_variable_array_index): Likewise. + (tree_ssa_forward_propagate_single_use_vars): Cleanup cfg if + edges were removed. + +2005-05-18 Geoffrey Keating + + * dummy-checksum.c: New. + * genchecksum.c: New. + * c.opt (print_pch_checksum): New flag. + * c-pch.c (struct c_pch_validity): Make much shorter. + (no_checksum): New. + (host_machine): Remove. + (target_machine): Remove. + (get_ident): Change PCH version number. + (pch_init): When -fverbose-asm, print out the compiler fingerprint. + Don't put triplets or version string in PCH validity data. + Do put the compiler checksum in the validity data. + (c_common_valid_pch): Don't check triplets or version string. Do + check checksum. + (c_common_print_pch_checksum): New. + * c-opts.c (c_common_handle_option): Add OPT_print_pch_checksum. + Print fingerprint with -v. + * c-common.h (c_common_print_pch_checksum): New. + (executable_checksum): New. + * Makefile.in (STAGEMOVESTUFF): Add cc1*-dummy, *-checksum.c. + (cc1-dummy): New rule. + (cc1-checksum.c): New rule. + (cc1-checksum.o): New rule. + (cc1): Add checksum support. + (build/genchecksum): New. + (build/genchecksum.o): New. + (dummy-checksum.o): New. + (genobjnames): Add genchecksum.o. + (mostlyclean): Remove *-checksum.c. + (gnucompare): Add libgcc to list of directories checked. + Make comparison problems in libgcc/ and with checksum files only + be warnings. + * doc/invoke.texi (Precompiled Headers): Remove caution. + Document that it must be the exact same binary. Add a few + known-safe flags to the list. + + * rs6000/predicates.md (fix_trunc_dest_operand): New. + * rs6000/rs6000.md (fix_truncdfsi2): Use fix_trunc_dest_operand. + Check that a memory operand is valid before trying to use it. + + * tree-cfg.c (pass_remove_useless): This pass works on trees. + +2005-05-18 Richard Guenther + + * tree.c (build1_stat): Don't try to handle two-operand + tree codes. + +2005-05-18 Richard Sandiford + + * config.gcc (sh*-*-*): Define SUPPORT_* macros to 1. + * config/sh/sh.h: Update mask names throughout. + (target_flags, ISIZE_BIT, DALIGN_BIT, SH1_BIT, SH2_BIT, SH3_BIT) + (SH_E_BIT, HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, SH4A_BIT, FMOVD_BIT) + (SH5_BIT, SPACE_BIT, BIGTABLE_BIT, RELAX_BIT, USERMODE_BIT) + (HITACHI_BIT, NOMACSAVE_BIT, PREFERGOT_BIT, PADSTRUCT_BIT) + (LITTLE_ENDIAN_BIT, IEEE_BIT, SAVE_ALL_TR_BIT, HARD_SH2A_BIT) + (HARD_SH2A_DOUBLE_BIT, INDEXED_ADDRESS_BIT, PT_FIXED_BIT) + (INVALID_SYMBOLS_BIT, ADJUST_UNROLL_BIT, TARGET_DUMPISIZE) + (TARGET_ALIGN_DOUBLE, TARGET_SH1, TARGET_SH2, TARGET_SH3) + (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH5, TARGET_FMOVD) + (TARGET_IEEE, TARGET_SMALLCODE, TARGET_BIGTABLE, TARGET_RELAX) + (TARGET_HITACHI, TARGET_NOMACSAVE, TARGET_PADSTRUCT) + (TARGET_LITTLE_ENDIAN, TARGET_USERMODE, TARGET_PREFERGOT) + (TARGET_SAVE_ALL_TARGET_REGS, TARGET_ALLOW_INDEXED_ADDRESS) + (TARGET_PT_FIXED, TARGET_INVALID_SYMBOLS, TARGET_ADJUST_UNROLL) + (TARGET_SWITCH_SH1, TARGET_SWITCH_SH2, TARGET_SWITCH_SH2E) + (TARGET_SWITCH_SH2A, TARGET_SWITCH_SH2A_SINGLE_ONLY) + (TARGET_SWITCH_SH2A_SINGLE, TARGET_SWITCH_SH2A_NOFPU) + (TARGET_SWITCH_SH3, TARGET_SWITCH_SH3E, TARGET_SWITCH_SH4_SINGLE_ONLY) + (TARGET_SWITCH_SH4_SINGLE, TARGET_SWITCH_SH4_NOFPU, TARGET_SWITCH_SH4) + (TARGET_SWITCH_SH4A, TARGET_SWITCH_SH4A_SINGLE_ONLY) + (TARGET_SWITCH_SH4A_SINGLE, TARGET_SWITCH_SH4A_NOFPU) + (TARGET_SWITCH_SH4AL, TARGET_SWITCH_SH5_64MEDIA) + (TARGET_SWITCH_SH5_64MEDIA_NOFPU, TARGET_SWITCHES_SH5_32MEDIA) + (TARGET_SWITCHES_SH5_32MEDIA_NOFPU, TARGET_SWITCH_SH5_32_ANY_EXTRA) + (TARGET_SWITCH_SH5_MEDIA_ANY_EXTRA, TARGET_SWITCHES) + (SUBTARGET_SWITCHES): Delete. + (TARGET_SH2E, TARGET_SH2A, TARGET_SH2A_SINGLE, TARGET_SH2A_DOUBLE) + (TARGET_SH3E, TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARVARD) + (TARGET_FPU_DOUBLE, TARGET_SH4A_ARCH, TARGET_SHMEDIA32) + (TARGET_SHMEDIA64): Redefine using other TARGET_* macros. + (TARGET_SH4): Undefine options.h definition and check MASK_SH1 as well. + (SUPPORT_SH1, SUPPORT_SH2E, SUPPORT_SH4, SUPPORT_SH4_SINGLE) + (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Make numeric. + (SUPPORT_SH2): Define to 1 if SUPPORT_SH1. + (SUPPORT_SH3): Likewise SUPPORT_SH2. + (SUPPORT_SH4_NOFPU): Likewise SUPPORT_SH3. + (SUPPORT_SH4A_NOFPU, SUPPORT_SH4AL, SUPPORT_SH2A_NOFPU): Likewise + SUPPORT_SH4_NOFPU. + (SUPPORT_SH3E): Likewise SUPPORT_SH2E. + (SUPPORT_SH4_SINGLE_ONLY, SUPPORT_SH4A_SINGLE_ONLY) + (SUPPORT_SH2A_SINGLE_ONLY): Likewise SUPPORT_SH3E. + (SUPPORT_SH4A): Likewise SUPPORT_SH4. + (SUPPORT_SH4A_SINGLE): Likewise SUPPORT_SH4_SINGLE. + (SUPPORT_SH5_32MEDIA): Likewise SUPPORT_SH5_COMPACT. + (SUPPORT_SH5_32MEDIA_NOFPU): Likewise SUPPORT_SH5_COMPACT_NOFPU. + (SUPPORT_ANY_SH5_32MEDIA, SUPPORT_ANY_SH5_64MEDIA) + (SUPPORT_ANY_SH5): New macros. + (TARGET_NONE): Replace with... + (MASK_ARCH): ...this new macro. + * config/sh/elf.h: Update mask names + * config/sh/linux.h: Likewise. + * config/sh/little.h: Likewise. + * config/sh/netbsd-elf.h: Likewise. + * config/sh/symbian-pre.h: Likewise. + * config/sh/sh.c (sh_handle_option): New function. + (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults. + (calc_live_regs): Use MASK_FPU_SINGLE instead of FPU_SINGLE_BIT. + (sh_target_switches, target_switches): Delete. + (sh_pch_valid_p): Check for specific differences in the target_flags + settings. + (sh_init_cumulative_args): Use MASK_HITACHI instead of HITACHI_BIT. + * config/sh/sh.opt: New file. + +2005-05-18 Richard Henderson + + PR target/21632 + * config/ia64/ia64.c (ia64_extra_constraint) <'T'>: Use + small_addr_symbolic_operand. + +2005-05-18 Jeff Law + + * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not + propagate an ADDR_EXPR if the definition and use sites are + in different EH regions. + +2005-05-18 Ian Lance Taylor + + * read-rtl.c (mode_attr_index): Use obstack_grow0, not + obstack_grow. + +2005-05-18 Daniel Berlin + + * cfgrtl.c (purge_dead_edges): Don't remove fake edges. + +2005-05-18 Daniel Berlin + + Fix PR tree-optimization/21407 + + * tree-ssa-operands.c (note_addressable): Change + COMPONENT_REF handling in response to aliasing + discussion. + +2005-05-18 Eric Botcazou + + * config/sparc/sol2.h (TARGET_DEFAULT): Add back MASK_APP_REGS. + * config/sparc/sol2-64.h (TARGET_DEFAULT): Likewise. + * config/sparc/sp-elf.h (TARGET_DEFAULT): Delete. + * doc/invoke.texi (SPARC options): Document that -mapp-regs is + the default on Solaris too. + +2005-05-17 Daniel Berlin + + * tree-ssa-pre.c (find_or_generate_expression): CALL_EXPR + is okay too. + +2005-05-17 Zdenek Dvorak + + * timevar.def (TV_SCEV_CONST): New timevar. + * tree-optimize.c (init_tree_optimization_passes): Add + pass_scev_cprop. + * tree-pass.h (pass_scev_cprop): Declare. + * tree-scalar-evolution.c (scev_const_prop): New function. + * tree-scalar-evolution.h (scev_const_prop): Declare. + * tree-ssa-loop.c (gate_scev_const_prop, pass_scev_cprop): + New. + * tree-cfg.c (replace_uses_by): Export. + * tree-flow.h (replace_uses_by): Declare. + +2005-05-17 Ziemowit Laski + Mike Stump + + Yet more Objective-C++... + + * c-common.h (objc_finish_try_stmt): Add. + (objc_build_synchronized): Add. + (objc_generate_write_barrier): Add. + * stub-objc.c (objc_build_synchronized): Add return value. + (objc_finish_try_stmt): Likewise. + (objc_generate_write_barrier): Add. + + * c-common.h (objc_rewrite_function_call): Add. + * c-typeck.c (build_function_call): Allow objc to rewrite + FUNCTION_DECLs. + (build_modify_expr): Allow objc to generate write barriers. + * c.opt (Wassign-intercept): Add. + (Wstrict-selector-match): Add. + (fobjc-call-cxx-cdtors): Add. + (fobjc-direct-dispatch): Add. + (fobjc-gc): Add. + * dbxout.c (get_lang_number): Add Objective-C++ support. + * doc/invoke.texi (-fobjc-call-cxx-cdtors): Likewise. + (-Wstrict-selector-match): Likewise. + (-fobjc-direct-dispatch): Likewise. + (-Wassign-intercept): Likewise. + (Overall Options): Likewise. + * gengtype.c (get_output_file_with_visibility): Likewise. + * stub-objc.c (objc_rewrite_function_call): Add. + * config/darwin.h (ASM_OUTPUT_LABELREF): Improved quoting support. + + * c-common.c (flag_objc_exceptions): Remove. + (flag_objc_sjlj_exceptions): Remove. + * c-decl.c (objc_mark_locals_volatile): Don't change decls + that are already ok. + * c-opts.c (c_common_handle_option, case + OPT_fobjc_exceptions): Remove. + (case OPT_fobjc_sjlj_exceptions): Remove + * c.opt (fobjc-call-cxx-cdtors): Have opt create the flag. + (fobjc-exceptions): Likewise. + (fobjc-sjlj-exceptions): Likewise. + * config/rs6000/darwin.h (OFFS_MSGSEND_FAST): Add. + (OFFS_ASSIGNIVAR_FAST): Add. + +2005-05-17 Eric Botcazou + + * config/sparc/sparc.md (movhi): Do not test constness + of operand #1 twice. + (movsi): Likewise. + (movdi): Unconditionally accept zero as second operand + when the first is memory. + (movdi_insn_sp32): Handle above case. + (DImode splitter): Use predicates. + (DImode splitter): Use const_zero_operand predicate. + (movsf_insn): Swap 2 alternatives. + +2005-05-17 Zdenek Dvorak + + * tree-ssa-loop-ivopts.c (find_bivs, find_givs_in_stmt_scev): Apply + expand_simple_operations to bases of the ivs. + (tree_int_cst_sign_bit): Export. + * tree-flow.h (expand_simple_operations): Declare. + * tree-ssa-loop-niter.c (number_of_iterations_cond): Use + tree_int_cst_sign_bit. + (expand_simple_operations): Export. + * tree.h (tree_int_cst_sign_bit): Declare. + +2005-05-17 Zdenek Dvorak + + * tree-cfg.c (tree_can_merge_blocks_p): Allow phi nodes in the + merged block. + (replace_uses_by): New function. + (tree_merge_blocks): Eliminate the phi nodes in the merged block. + * tree-flow.h (fold_stmt_inplace): Declare. + * tree-ssa-ccp.c (fold_stmt_inplace): New function. + * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update dominance + info after cfg cleanup. + +2005-05-17 Zdenek Dvorak + + * cfgloop.h (just_once_each_iteration_p): Declaration changed. + * cfgloopanal.c (just_once_each_iteration_p): Make the loop argument + const. + +2005-05-17 Zdenek Dvorak + + * ggc-page.c (ggc_alloc_stat): Record amount of memory allocated. + * ggc-zone.c (ggc_alloc_zone_1): Ditto. + * timevar.c (timevar_ggc_mem_total): New variable. + (GGC_MEM_BOUND): New constant. + (get_time): Record ggc memory status. + (timevar_accumulate): Accumulate amount of ggc memory. + (timevar_print): Print consumption of ggc memory. + * timevar.def (TV_FIND_REFERENCED_VARS, TV_TREE_REDPHI, + TV_TREE_LOOP_BOUNDS, TV_TREE_LOOP_IVCANON, TV_TREE_VECTORIZATION, + TV_TREE_LINEAR_TRANSFORM): Shorten strings to fit in 22 characters. + * timevar.h (struct timevar_time_def): Add ggc_mem field. + (timevar_ggc_mem_total): Declare. + +2005-05-17 Kazu Hirata + + * tree-into-ssa.c (update_ssa): Clean up by shortening the + live range of DFS. + +2005-05-17 Hans-Peter Nilsson + + * config/cris/cris.md (ncond, ocode, rcond): Remove separate + define_code_attr. + ("b", "b", "b") + ("*b_reversed", "*b_reversed") + ("*b_reversed", "s", "s") + ("s"): Rename from respectively "b", + "b", "b", ("*b_reversed", + "*b_reversed", "*b_reversed", "s", + "s" and "s". + ("b", "*b_reversed") + ("*b_reversed"): Remove extraneous backslashes in + output statement section. + +2005-05-17 Roger Sayle + + * c-typeck.c (common_type): Also handle BOOLEAN_TYPEs. + +2005-05-17 Steven Bosscher + Stuart Hastings + Jan Hubicka + Dale Johannesen + + * cgraph.h (cgraph_node): Add 'lowered' state. + (cgraph_lower_function): Declare. + * cgraphunit.c (cgraph_finalize_function): Initialize lowered flag. + (cgraph_lower_function): New function. + (cgraph_create_edges): Deal with lowered function bodies. + (verify_cgraph_node): Likewise. + (cgraph_analyze_function): Do lowering job. + (cgraph_build_static_cdtor): Likewise. + * function.h (struct function): Add saved_eh and saved_cfg. + * integrate.c (copy_decl_for_inlining): Kill LABEL_DECL_UID field. + * tree-cfg.c (fold_cond_expr_cond): Export. + * tree-flow.h (fold_cond_expr_cond): Declare. + * tree-inline.c: Include basic-block, ggc, tree-flow, except.h and + pointer-set. + (struct_inline_data): Kill fnd, first_inlined_fn, ret_label, + in_target_cleanup_p, tree_pruner, tsi; add callee, caller and + callee_cfun, block, eh_region, eh_region_offset. + (inlining_p): New predicate. + (remap_decl): Update for new inline_data; declare newly created inline + vars in low gimple way. + (copy_body_r): Update for new datastructure, simplify some of handling + when we are in gimple; remap LABEL_DECLs for EH; copy TREE_BLOCK; + deal with RESX_EXPRs. + (copy_bb): New. + (copy_edges_for_bb): Likewise. + (remap_decl_1): New. + (copy_cfg_body): New. + (copy_generic_body): Rewrite to work on low gimple. + (copy_body): Turn into simple wrapper around copy_cfg_body. + (setup_one_parameter): Insert new statements into given basic block. + (initialize_initialized_parameters): Likewise, reorganize way things are + gimplified. + (declare_return_variable): Update for new inline data datastructure. + (inline_forbidden_p): Work on low gimple. + (estimate_num_insns): Likewise. + (expand_call_inline): Work on CFG. + (push_cfun, pop_cfun): New functions. + (cfun_stack): New stack. + (add_lexical_block): New function. + (gimple_expand_calls_inline): Work on basic block. + (optimize_inline_calls): Likewise. + (clone_body, save_body, unsave_ewpr_now): Update for new + datastructures. + (declare_inline_vars): Work on block instead of bind_expr. + (inlining_p): New predicate. + * tree-inline.h (push_cfun, pop_cfun): Declare. + * tree-optimize.c: Include except.h + (all_lowering_passes): New variable. + (execute_fixup_cfg, pass_fixup_cfg): New pass. + (init_tree_optimization_passes): Move some to all_lowering_passes. + (tree_lowering_passes): New function. + (tree_rest_of_compilation): Register cfg hooks; save/unsave eh. + * tree-pass.h (tree_lowering_passes): Declare + +2005-05-17 Nathan Sidwell + + * unwind-dw2-fde-darwin.c: Include tsystem.h. + +2005-05-17 Jeff Law + + * Makefile.in (tree-ssa-forwprop.o): Depend on langhooks.h. + * tree-ssa-forwprop.c: Include langhooks.h. + (forward_propagate_addr_expr_into_variable_array_index): New. + (forward_propagate_addr_expr): New. + (tree_ssa_forward_propagate_single_use_vars): Loop over all + the statements in the block instead of just the last statement. + Call forward_propagate_addr_expr as needed. + (pass_forwprop): Update the SSA graph after forward propagation is + complete. + +2005-05-17 Nathan Sidwell + + * unwind-dw2-fde-glibc.c (base_from_cb_data, + _Unwind_IteratePhdrCallback): Use gcc_assert and gcc_unreachable as + appropriate. + * unwind-dw2-fde.c (__deregister_frame_info_bases, + base_from_object, fde_split, end_fde_sort): Likewise. + * unwind-dw2.c (_Unwind_GetGR, _Unwind_SetGR, execute_stack_op, + execute_cfa_program, _Unwind_SetSpColumn, uw_update_context_1, + uw_init_context_1): Likewise. + * unwind.inc (_Unwind_RaiseException_Phase2, _Unwind_Resume, + _Unwind_Resume_or_Rethrow): Likewise. + * unwind-pe.h (__gxx_abort): Do not define. + (size_of_encoded_value, base_of_encoded_value, + read_encoded_value_with_base): Use gcc_unreachable. + * unwind.h (_Unwind_GetTextRelBase): Likewise. + +2005-05-17 Daniel Jacobowitz + + * config/arm/lib1funcs.asm (cfi_pop, cfi_push, cfi_start) + (cfi_end): New macros. + (RETLDM): Use cfi_pop. Expect an eight byte stack frame. + (ARM_LDIV0, THUMB_LDIV0, DIV_FUNC_END): Use CFI macros. Create + an eight byte stack frame. + (__NR_tkill): Define. + (__div0): Use gettid tkill on GNU/Linux. + (_arm_return): Add CFI. + (Lchange_\register, .Lchange_lr): Create an eight byte stack frame. + +2005-05-17 Daniel Jacobowitz + + * configure.ac: Remove spaces around assignment to + gcc_cv_ld_sysroot. + * configure: Regenerated. + +2005-05-17 David Edelsohn + + * config/rs6000/aix.h (TARGET_ALTIVEC_VRSAVE): Delete. + * config/rs6000/rs6000.c (rs6000_explicit_options): Add + aix_struct_ret. + (rs6000_override_options): Do not protect TARGET_ALTIVEC_VRSAVE. + Modify aix_struct_return variable, not target_flags. + (rs6000_handle_option): Do not protect TARGET_ALTIVEC_VRSAVE. + (rs6000_return_in_memory): Test aix_struct_return. + * config/rs6000/rs6000.opt (maix-struct-return): Convert to + independent variable. Report mxl-compat. + +2005-05-17 Bernd Schmidt + + * config/bfin/bfin.md (eh_return): Add missing DONE. + +2005-05-17 Ian Lance Taylor + + * read-rtl.c (struct macro_traverse_data): Add unknown_mode_attr + field. + (mode_attr_index): Remove check for defined attribute. Remove + infile parameter. Change all callers. + (apply_mode_maps): Add unknown parameter. Change caller. Always + return after finding attribute. + (apply_macro_to_rtx): Add unknown_mode_attr parameter. Change + callers. + (apply_macro_traverse): Set mtd->unknown_mode_attr. + (read_rtx): Use mtd.unknown_mode_attr to check for an undefined + attribute used for a mode. + +2005-05-17 Paolo Bonzini + + * tree-ssa-math-opts.c: New file. + +2005-05-17 Paolo Bonzini + + * Makefile.in: Add tree-ssa-math-opts.c. + * expr.c (expand_expr_real_1) : Never emit as a*(1/b). + * fold-const.c (distribute_real_division): New. + (fold_binary) : Use it. + * tree-pass.h (pass_cse_reciprocals): New. + * tree-optimize.c (init_tree_optimization_passes): Run it. + * doc/passes.texi: Document the new pass. + +2005-05-17 Richard Guenther + + PR middle-end/21595 + * builtins.c (fold_builtin_constant_p): Handle + &"string cst"[0] as constant. + +2005-05-17 Richard Henderson + + * config/i386/sse.md (mulv16qi3, mulv2di3): New. + +2005-05-17 Jakub Jelinek + + PR middle-end/21492 + * cfgcleanup.c (try_crossjump_to_edge): update_forwarder_flag for + src2 if src2 has been split. + + PR tree-optimization/21610 + * c-typeck.c (decl_constant_value_for_broken_optimization): If not + returning DECL, call unshare_expr. + +2005-05-17 Hans-Peter Nilsson + + * config/cris/cris.md: Unquote preparation and output statements. + (BWD, WD, BW): New, mode-macros. + (S, s, m, mm, nbitsm1): New, mode-attrs. + (szext, shift, shiftrt, ncond, ocond, rcond): New, code-macros. + (u, su, shlr, slr, ncond, ocond, rcond, rCC, oCC, roCC): New, + code-attrs. + ("tst"): Replace "tstqi", "tsthi" and "tstsi". + ("*cmp_ext"): Replace "*cmp_extsi" and "*cmp_exthi". + ("*cmp_swapext"): Replace "*cmp_swapextqi" and + "*cmp_swapexthi". + ("cmp"): Replace "cmphi" and "cmpqi". + ("movdi"): Move misplaced head comment regarding necessity of + movdi from movsi to here. + ("*mov_side_biap"): Replace "*mov_sideqi_biap" and + "*mov_sidehi_biap". + ("*mov_side"): Replace "*mov_sideqi" and "*mov_sidehi". + ("*mov_side_biap_mem", "*mov_sidehi_biap_mem"): Replace + "*mov_sideqi_biap_mem". + ("*mov_side_mem"): Replace "*mov_sideqi_mem" and + "*mov_sidehi_mem". + ("*clear_side_biap"): Replace "*clear_sidesi_biap", + "*clear_sidehi_biap" and "*clear_sideqi_biap". + ("*clear_side"): Replace "*clear_sidesi", "*clear_sidehi" + and "*clear_sideqi". + ("*ext_sidesi_biap"): Replace "*ext_sideqisi_biap" and + "*ext_sidehisi_biap". + ("*ext_sidesi"): Replace "*ext_sideqisi" and + "*ext_sidehisi". + ("reload_in"): Replace "reload_inhi" and "reload_inqi". + ("reload_out"): Replace "reload_outhi" and "reload_outqi". + ("extenddi2"): Replace "extendhidi2" and "extendqidi2". + ("extendsi2"): Replace "extendhisi2" and "extendqisi2". + ("zero_extendsi2"): Replace "zero_extendhisi2" and + "zero_extendqisi2". + ("*op_side_biap"): Replace "*op_sideqi_biap", + "*op_sidehi_biap" and "*op_sidesi_biap". + ("*op_side"): Replace "*op_sideqi", "*op_sidehi" and + "*op_sidesi". + ("*op_swap_side_biap"): Replace "*op_swap_sideqi_biap", + "*op_swap_sidehi_biap" and "*op_swap_sidesi_biap". + ("*op_swap_side"): Replace "*op_swap_sideqi", + "*op_swap_sidehi" and "*op_swap_sidesi". + ("sub3"): Replace "subhi3" and "subqi3", correcting a typo + in the N alternative of "subqi3". + ("*extopsi_side_biap"): Replace "*extopqisi_side_biap" and + "*extophisi_side_biap". + ("*extopsi_side"): Replace "*extopqisi_side" and + "*extophisi_side". + ("*extopsi_swap_side_biap"): Replace + "*extopqisi_swap_side_biap" and "*extophisi_swap_side_biap". + ("*extopsi_swap_side"): Replace "*extopqisi_swap_side" and + "*extophisi_swap_side". + ("*extopsi"): Replace "*extopqisi" and "*extophisi". + ("*extopsi_swap"): Replace "*extopqisi_swap" and + "*extophisi_swap". + ("mul3"): Replace "umulhisi3", "umulqihi3", + "mulqihi3", "mulhisi3" and "mulhisi3". + ("mulsidi3"): Replace "mulsidi3" and "umulsidi3". + ("mulsi3_highpart"): Replace "smulsi3_highpart" and + "umulsi3_highpart". + ("xor3"): Replace "xorhi3" and "xorqi3". + ("neg2"): Replace "negsi2", "neghi2" and "negqi2". + ("one_cmpl2"): Replace "one_cmplhi2" and "one_cmplqi2". + ("si3"): Replace "ashrsi3", "lshrsi3" and "ashlsi3". + ("ashr3"): Replace "ashrhi3" and "ashrqi3". + ("*expanded_"): Replace "*expanded_ashrhi", + "*expanded_ashrqi", "*expanded_lshrhi" and "*expanded_lshrqi". + ("*_lowpart"): Replace "*ashrhi_lowpart", + "*ashrqi_lowpart", "*lshrhi_lowpart" and "*lshrqi_lowpart". + ("lshr3"): Replace "lshrhi3" and "lshrqi3". + ("ashl3"): Replace "ashlhi3" and "ashlqi3". + ("*ashl_lowpart"): Replace "*ashlqi_lowpart" and + "*ashlhi_lowpart". + ("abs2"): Replace "abshi2" and "absqi2". + ("b"): Replace "beq", "bne", "bgtu", "bltu", "bgeu" and + "bleu". + ("b"): Replace "bgt" and "ble". + ("b"): Replace "blt" and "bge". + ("*b_reversed"): Replace "*beq_reversed", "*bne_reversed", + "*bgtu_reversed", "*bltu_reversed", "*bgeu_reversed" and + "*bleu_reversed". + ("*b_reversed"): Replace "*bgt_reversed" and + "*ble_reversed". + ("*b_reversed"): Replace "*blt_reversed" and + "*blt_reversed". + ("s"): Replace "sgeu", "sltu", "seq", "sgtu", "sleu" and + "sne". + ("s"): Replace "sge" and "slt". + ("s"): Replace "sgt" and "sle". + ("clear.[bwd] [rx=rx+rz.S2]"): Replace split clear.d + [rx=rx+rz.S2], clear.w [rx=rx+rz.S2] and clear.b [rx=rx+rz.S2]. + ("clear.[bwd] [rx=rx+i]"): Replace splits clear.d [rx=rx+i], + clear.w [rx=rx+i] and clear.b [rx=rx+i]. + +2005-05-17 Jakub Jelinek + + * varasm.c (struct constant_descriptor_tree): Add hash field. + (const_desc_hash): Just return hash field. + (const_desc_eq): If hash values are different, return 0 immediately. + (output_constant_def): Compute hash field of temporary key, use + htab_find_slot_with_hash instead of htab_find_slot. Set hash in + newly built constant descriptor. + (lookup_constant_def): Compute hash field of temporary key, use + htab_find_with_hash instead of htab_find. + +2005-05-16 Richard Henderson + + * config/i386/sse.md (mulv4si3): New. + +2005-05-17 Hans-Peter Nilsson + + * config/cris/cris.h (EXTRA_CONSTRAINT_T): Remove FIXME and + tests for noncanonical versions of reg+constant and + reg+reg*{1,2,4}. + +2005-05-16 Richard Henderson + Steven Bosscher + + PR tree-opt/21399 + * tree-eh.c (maybe_clean_or_replace_eh_stmt): Rename from + maybe_clean_eh_stmt; take old stmt parameter. Update EH + region data structure to match replacement. + * tree-flow.h: Update to match. + * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise. + * tree-ssa-dom.c (optimize_stmt): Likewise. + * tree-ssa-pre.c (eliminate): Likewise. + * tree-ssa-propagate.c (substitute_and_fold): Likewise. + +2005-05-16 Caroline Tice + + * bb-reorder.c (verify_hot_cold_block_grouping): Replace + internal_error with gcc_assert. + * dwarf2out.c (dwarf2out_switch_text_section): Likewise. + * function.h (struct function): Remove space between "*" and + struct field names. + * varasm.c (initialize_cold_section_name): Add gcc_assert; + modify to use alloca. + (unlikely_text_section): Add check for flag_function_sections. + (assemble_start_function): Move call to resolve_section, so it + comes before first call to unlikely_text_section. + (assemble_end_function): Add test and call to function_section + if appropriate. + +2005-05-16 Roger Sayle + + * c-common.c (c_common_truthvalue_conversion): Use fold_build2 + instead of build_binary_op when performing code transformations + to avoid error messages about constructs not it the user's code. + +2005-05-16 Kazu Hirata + + * tree-ssa-pre.c: Fix a comment typo. + +2005-05-16 Richard Henderson + + PR target/21556 + * config/ia64/ia64.md (load_dtpmod, load_ltoff_dtpmod, load_dtprel, + load_dtprel64, load_dtprel22, load_dtprel_gd, load_ltoff_dtprel, + add_dtprel, add_dtprel14, add_dtprel22, load_tprel, load_tprel64, + load_tprel22, load_tprel_ie, load_ltoff_tprel, add_tprel, add_tprel14, + add_tprel22): Remove mode from symbolic operand. + +2005-05-16 Richard Sandiford + + * optc-gen.awk: Include intl.h after the externally-provided files. + +2005-05-16 Kazu Hirata + + * tree-ssa-copy.c (copy_prop_visit_assignment): Clean up by + folding a COND_EXPR_COND in a nondestructive manner. + +2005-05-16 Fariborz Jahanian + + * config/rs6000/altivec.md (altivec_vmrghb, altivec_vmrghh, + altivec_vmrghw, altivec_vmrglb, altivec_vmrglh, altivec_vmrglw): + New values for vec_select definitions and bitmask for element + selection. + +2005-05-16 Kazu Hirata + + * dwarf2out.c (used_rtx_varray): Rename to used_rtx_array. + Change the type to VEC(rtx,gc)*. + (mem_loc_descriptor, add_const_value_attributes, + dwarf2out_init): Adjust uses of used_rtx_varray. + + * tree-data-ref.c (compute_all_dependences): Change the type + of dependence_relations to VEC(ddr_p,heap)**. + (compute_data_dependences_for_loop): Change the type of + allrelations to VEC(ddr_p,heap)*. + +2005-05-16 Richard Sandiford + + * Makefile.in (options.c): Tell optc-gen.awk to include config.h, + system.h, coretypes.h and tm.h. + (options.o): Update dependencies accordingly. + * optc-gen.awk: Allow header_name to be a list of filenames. + Handle the "Condition" flag. + * opts.h (CL_DISABLED): New flag. + * opts.c (handle_option): Print an error for CL_DISABLED options. + * doc/options.texi: Document the "Condition" option flag. + +2005-05-16 Paolo Bonzini + + * tree-inline.c (estimate_num_insns_1): Handle VEC_COND_EXPR. + +2005-05-15 Roger Sayle + + * tree-scalar-evolution.c (set_nb_iterations_in_loop): Only + check for TREE_OVERFLOW on INTEGER_CST trees. + * tree-chrec.c (chrec_convert): Only clear TREE_OVERFLOW on + CONSTANT_CLASS_P tree nodes. + +2005-05-15 H.J. Lu + + PR target/21551 + * config/ia64/ia64.c (ia64_expand_move): Don't add addend twice. + +2005-05-15 Daniel Berlin + + Fix PR tree-optimization/21576 + + * tree-ssa-pre.c (expression_node_pool): New pool. + (comparison_node_pool): Ditto. + (list_node_pool): Ditto. + (pool_copy_list): New function. + (phi_translate): Handle CALL_EXPR. + (valid_in_set): Ditto. + (create_expression_by_pieces): Ditto. + (insert_into_preds_of_block): Ditto. + (insert_aux): Ditto. + (compute_avail): Ditto. + (create_value_expr_from): Handle TREE_LIST and CALL_EXPR. + (can_value_number_call): New function. + (find_leader): Update comment. + (init_pre): Create new pools. + (fini_pre): Free new pools. + (pass_pre): Add TODO_update_ssa for the future when we are going + to need vops. + * tree-vn.c (expressions_equal_p): Handle TREE_LIST. + (set_value_handle): Ditto. + (get_value_handle): Ditto. + +2005-05-15 Richard Earnshaw + + * arm.c (thumb_unexpanded_epilogue): Delete unused variable 'mode'. + +2005-05-15 Andreas Jaeger + + * gcc.c (pfatal_pexecute): Remove unused local function. + +2005-05-15 Richard Sandiford + + * optc-gen.awk: Remove excess indentation. + * opth-gen.awk: Likewise. + +2005-05-14 Kaz Kojima + + * config/sh/sh.c (sh_output_mi_thunk): Check cfun->cfg instead + of basic_block_info. Call init_flow and find_basic_blocks + before dbr_schedule if needed. + +2005-05-14 Kazu Hirata + + * tree-optimize.c (init_tree_optimization_passes): Move + pass_cd_dce in place of the last pass_dce. + + PR tree-optimization/21563 + * tree-vrp.c (compare_value): Return boolean_false_node when + SSA_NAME in "if (SSA_NAME == CST)" is strictly smaller than or + strictly larger than CST. + +2005-05-14 Nathan Sidwell + Jan-Benedict Glaw + + * config/vax/vax.c: (print_operand_address) Use gcc_unreachable() and + gcc_assert(). + (rev_cond_name) Likewise. + (vax_float_literal) Likewise. + * config/vax/vax.md: Likewise. + +2005-05-14 Jan-Benedict Glaw + + * config/vax/vax.md: define_constant VAXens AP, FP, SP and PC + registers and use them (specifically the stack pointer). + * config/vax/vax.h: Use above defines right here. + + * config/vax/vax.c: (override_options) Remove 'register' keyword. + (split_quadword_operands) Likewise. (rev_cond_name) Likewise. + (vax_float_literal) Likewise. (vax_rtx_costs) Remove trailing + whitespace. + * config/vax/vax.h: Remove 'register' keyword. Misc. whitespace fixes, + mostly removal of trailing spaces... + * config/vax/vax-modes.def: Remove trailing whitespace. + + * config/vax/elf.h: Update whitespace. + +2005-05-14 Richard Guenther + + Revert + 2005-05-11 Richard Guenther + * fold-const.c (fold_indirect_ref_1): Avoid removing + NOP_EXPRs with type qualifiers like const. + +2005-05-14 Jan Hubicka + + Patch by Richard Henderson: + * tree-eh.c (tree_can_throw_internal, tree_can_throw_external): + Handle RESX expressions properly. + + * tree-eh.c (record_stmt_eh_region): Use add_stmt_to_eh_region. + (add_stmt_to_eh_region_fn): Nest into CALL_EXPR. + (remove_stmt_from_eh_region_fn): Likewise. + + * tree-cfg.c (execute_warn_function_return): Break out noreturn + warning too.. + (execute_warn_function_noreturn): ... here. + (pass_warn_function_noreturn): New pass. + * tree-pass.h (pass_warn_function_noreturn): Declare + * tree-optimize.c (init_tree_optimization_passes): Move return + warnings early and add noreturn warnings at place of previous + return warnings. + +2005-05-14 Kazu Hirata + + * tree-ssa-live.c (tpa_init, tpa_delete, tpa_compact, + root_var_init, type_var_init): Use VEC instead of VARRAY. + * tree-ssa-live.h (tree_partition_associator_d): Change the + type of trees to VEC(tree,heap)*. + (tpa_tree): Use VEC instead of VARRAY. + +2005-05-14 Richard Guenther + + * fold-const.c (div_if_zero_remainder): New function. + (try_move_mult_to_index): Use it. + +2005-05-14 Kazu Hirata + + * tree-eh.c (leh_tf_state): Change the type of dest_array to + VEC(tree,heap)*. + (maybe_record_in_goto_queue, lower_try_finally_onedest, + lower_try_finally_copy, lower_try_finally_switch, + lower_try_finally): Use VEC instead of VARRAY. + +2005-05-14 Hans-Peter Nilsson + + * config/cris/cris.h (Node: Register Classes): Remove obsoleted + comment regarding defined register classes. + (LEGITIMIZE_RELOAD_ADDRESS): Do not define. + +2005-05-14 Kazu Hirata + + * tree-optimize.c (init_tree_optimization_passes): Move + pass_merge_phi before the first pass_dominator. + +2005-05-13 Richard Earnshaw + + * arm.h (INITIALIZE_TRAMPOLINE): Make the call to __clear_cache + unconditional. + +2005-05-13 Josh Conner + + * config/arm/arm.c (arm_size_return_regs): New. + (thumb_unexpanded_epilogue): replace in-line calculation + of return registers with call to arm_size_return_regs. + (use_return_insn): Include test of which registers are + being used to hold return values, to accommodate + vector return values. + +2005-05-11 Aldy Hernandez + + * config/rs6000/sysv4.opt (mlittle): Handle. + + * config/rs6000/rs6000.c (rs6000_handle_option): Set + target_flags_explicit when appropriate. + +2005-05-13 J"orn Rennecke + + PR middle-end/20714: + * optabs.c (no_conflict_data): New struct. + (no_conflict_move_test): New function. + (emit_no_conflict_block): Use it. + +2005-05-13 Adam Nemet + + * doc/invoke.texi (Debugging Options): Option + -fdump-translation-unit only works with C++ now. + +2005-05-13 Hans-Peter Nilsson + + Replace calls to abort in CRIS port. + * config/cris/cris.h (CRIS_ASSERT): New macro. + * config/cris/cris.md ("*movsi_internal"): Use CRIS_ASSERT and + internal_error instead of abort. + ("movsi"): Ditto. Unquote preparation statement section. + ("call", "call_value"): Ditto, but use gcc_assert where + appropriate. Tweak comments. + * config/cris/cris.c (ASSERT_PLT_UNSPEC): Define in terms of + CRIS_ASSERT. + (cris_op_str): Call internal_error, not abort. + (cris_print_operand): Tweak "abort" reference to "die" in comment. + (cris_initial_elimination_offset): Call gcc_unreachable, not abort. + (cris_notice_update_cc): Call internal_error, not abort. + (cris_expand_return, cris_expand_prologue, cris_gen_movem_load) + (cris_emit_movem_store, cris_asm_output_symbol_ref) + (cris_output_addr_const_extra): Use CRIS_ASSERT, don't call abort. + (cris_symbol, cris_got_symbol): Use CRIS_ASSERT instead of + ENABLE_CHECKING-guarded abort call. + (cris_split_movdx): Use CRIS_ASSERT instead of abort with test. + Use internal_error at end of test-chain. + +2005-05-13 J"orn Rennecke + + PR rtl-optimization/20769: + * bt-load.c (compute_defs_uses_and_gen): Check for the blockage + pattern emitted by expand_nl_goto_receiver. + + PR middle-end/20793: + * integrate.c (allocate_initial_values): Update register liveness + information. + +2005-05-13 Josh Conner + + * arm.c (arm_return_in_memory): Add handling for vector return types. + +2005-05-13 David Ung + + * config/mips/mips.h (processor_type): Add new PROCESSOR_4KP + name. + * config/mips/mips.c: Add 4km alias. + * config/mips/mips.md: Add 4kp to cpu attrib and include 4k.md. + * config/mips/4k.md: New file, add 4Kc/4Kp DFA pipeline + description. + +2005-05-13 Jan Hubicka + + * c-decl.c (finish_function): Suppress "control reaches end of + non-void function" when "no return statement in function + returning non-void" is issued. + + * tree-inline.c (copy_body_r): Simplify substituted ADDR_EXPRs. + * tree-optimize.c (pass_gimple): Kill. + (init_tree_optimization_passes): Kill pass_gimple. + * tree-cfg.c (build_tree_cfg): Do verify_stmts to check that we are gimple. + * tree-dump.c (dump_files): Rename .generic to .gimple.* + +2005-05-13 J"orn Rennecke + + PR rtl-optimization/20756: + * basic-block.h (PROP_DEAD_INSN): Define. + * flow.c (propagate_one_insn): Set during mark_set_regs call + for a dead insn. + (mark_set_1): Emit a clobber when we are about to delete a dead insn + that kills a live register. + +2005-05-13 Adrian Straetling + + * config/s390/s390.md: ("DBL"): New mode attribute. + ("*movmem_long_64", "*movmem_long_31"): Merge to "*movmem_long". + ("*clrmem_long_64", "*clrmem_long_31"): Merge to "*clrmem_long". + ("*cmpmem_long_64", "*cmpmem_long_31"): Merge to "*cmpmem_long". + +2005-05-13 Richard Guenther + + * c-format.c (check_format_arg): Handle string literals of + the form &"string"[offset]. + + * g++.dg/warn/format4.C: New testcase. + +2005-05-13 Kazu Hirata + + * config/mips/3000.md, config/mips/4000.md, + config/mips/4100.md, config/mips/4300.md, config/mips/4600.md, + config/mips/5000.md, config/mips/7000.md, config/mips/9000.md, + config/mips/generic.md, config/pdp11/pdp11.md, + config/sh/crt1.asm, config/sh/lib1funcs.asm, + config/sh/sh-modes.def, config/sh/sh-protos.h, + config/sh/shmedia.md, config/sh/ushmedia.h: Update copyright. + +2005-05-13 Richard Henderson + + * function.c (instantiate_virtual_regs_in_insn): Do not simplify + addition to move unless dest is a register. Do not skip + instantiation in dest on addition simplification. + +2005-05-13 Hans-Peter Nilsson + + * config/cris/cris.c (cris_print_operand) : Use operand_subword and HOST_WIDE_INT_PRINT_DEC for + output; don't have special case for HOST_BITS_PER_WIDE_INT == 32. + +2005-05-13 Jan Hubicka + + * basic-block.h (FOR_ALL_BB_FN): New macro. + (init_flow): Initialize cfg structure. + * function.c (allocate_struct_function): Do not initialize cfg structure. + * tree-cfg.c (init_empty_tree_cfg): Break out from ... + (build_tree_cfg): ... here. + * tree-flow.h (init_empty_tree_cfg): Declare. + +2005-05-12 Steven Bosscher + + Fix PR tree-optimization/21520 + * tree-ssa-pre.c (phi_translate): Use fully_constant_expression + to attempt to fold constants. + +2005-05-12 Kaz Kojima + + * config/sh/sh.c: Declare the prototype of sh_adjust_unroll_max + only when TARGET_ADJUST_UNROLL_MAX is defined. + (general_movsrc_operand): Use the C style comment. + (ua_offset): Use prototype. + +2005-05-12 Zdenek Dvorak + + * tree-ssa-loop-im.c (struct mem_ref): Add field "next". + (struct hmr_data, hoist_memory_reference, memref_del, + struct fmrv_data): Removed. + (hoist_memory_references, free_mem_ref, free_mem_refs): New functions. + (gather_mem_refs, gather_mem_refs_stmt): Add new references to the + list. + (find_more_ref_vops): Traverse the list of memory references. + (determine_lsm_loop): Work with the list of memory references instead + of traversing the hashtable. + +2005-05-12 Steven Bosscher + Stuart Hastings + Jan Hubicka + + * except.c (duplicate_eh_region_1, duplicate_eh_region_2, + duplicate_eh_regions): New functions, based on old + implementation removed with RTL inliner. + (reachable_next_level): Modify behaviour pre-inline. + * except.h (duplicate_eh_regions_map, duplicate_eh_regions): + Declare. + * function.h (struct function): Add after_inlining flag. + * tree-optimize.c (tree_rest_of_compilation): Set it. + * tree-eh.c (add_stmt_to_eh_region_fn): Initialize hashtable + when needed. + * tree-cfg.c (label_to_block_fn): Deal with cases where + label was never insterted into code. + +2005-05-12 Zack Weinberg + + * doc/cpp.texi: Document that #sccs is a synonym for #ident. + +2005-05-12 Daniel Berlin + + Fix PR tree-optimization/21532 + * tree-ssa-pre.c (create_expression_by_pieces): stmt + needs to go onto the inserted_exprs list. + +2005-05-12 Ian Lance Taylor + + * c-common.h (statement_code_p): Don't declare. + (STATEMENT_CODE_P): Don't define. + (INIT_STATEMENT_CODES): Don't define. + * c-common.c (statement_code_p): Don't define. + +2005-05-12 Eric Botcazou + + * config/sparc/sparc.h: Remove dead code. + * config/sparc/sparc.c (sparc_compute_frame_size): Use + FIRST_PARM_OFFSET for the size of the register window area. + (emit_save_regs): Rename into emit_save_or_restore_regs. + Add 'action' parameter. Use 4095 as upper bound for the offset. + Pass 'action' to save_or_restore_regs. + (emit_restore_regs): Delete. + (sparc_expand_prologue): Call emit_save_or_restore_regs. + (sparc_expand_epilogue): Likewise. + * config/sparc/sparc.md (mode macro P): Move. + (movdi_insn_sp32_v9, movdi_insn_sp32): Swap. + (mov expander): Move to the top of the V32 section. + (movdf_insn_sp32_v9_no_fpu, movdf_insn_sp32_v9): Swap. + (movtf_insn_sp64_hq, movtf_insn_sp64): Swap. + (sibcall_epilogue): Move. + +2005-05-12 Richard Earnshaw + + PR target/21501 + * arm.c (arm_gen_constant): Sign-extend intermediate values when + synthesizing a constant of the difference of two immediates. + +2005-05-12 Richard Earnshaw + + * arm/vfp.md (negsf2_vfp): Add alternative using integer registers. + (negdf2_vfp): Likewise. Convert to define_insn_and_split and split + the alternatives using integer registers into the appropriate + primitives. + +2005-05-11 Kenneth Zadeck + + * bitmap.c (bitmap_elmt_to_freelist, bitmap_element_allocate, + bitmap_elt_clear_from, bitmap_clear): Changed freelist structure. + * bitmap.h: Fixed comments. + +2005-05-11 Richard Henderson + + PR target/21412 + * config/ia64/ia64.c (TARGET_CANNOT_FORCE_CONST_MEM): New. + (ia64_cannot_force_const_mem): New. + (tls_symbolic_operand_type): New. + (ia64_legitimate_constant_p): New. + (ia64_expand_load_address): Return true on success. Improve + checks for when we should not split. + (ia64_expand_tls_address): New addend operand. Distribute it + as appropriate to the tls_kind. Delay referencing gp. + (ia64_expand_move): Split symbolic addend as necessary. Handle + tls symbols with addends. + * config/ia64/ia64-protos.h: Update. + * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): False for r0, + p0, f0, f1, and r13. + (LEGITIMATE_CONSTANT_P): Move to ia64_legitimate_constant_p. + * config/ia64/ia64.md (UNSPEC_DTPMOD): New. + (symbolic_operand splitter): Pass everything through + ia64_expand_load_address and FAIL or DONE as appropriate. + (load_fptr): Only accept after reload. + (load_fptr_internal1, gprel64_offset, load_gprel64, load_symptr_high, + load_symptr_low, load_ltoff_dtpmod, + (load_dtpmod): New. + (load_dtprel): Only accept tls symbols. + (load_dtprel64, load_dtprel22): Likewise. + (load_tprel, load_tprel64, load_tprel22): Likewise. + (load_dtprel_gd, load_ltoff_dtprel, load_tprel_ie): New. + (add_dtprel): Only accept tls symbols. Canonicalize PLUS. + (add_dtprel14, add_dtprel22): Likewise. + (add_tprel, add_tprel14, add_tprel22): Likewise. + * config/ia64/predicates.md (small_addr_symbolic_operand): New. + (any_offset_symbol_operand, aligned_offset_symbol_operand): New. + (got_symbolic_operand): Check CONST offsets. + (tls_symbolic_operand, ld_tls_symbolic_operand): New. + (ie_tls_symbolic_operand, le_tls_symbolic_operand): New. + (move_operand): Don't handle tls here. Check CONST offsets. + +2005-05-11 Richard Sandiford + + * config/mips/7000.md (rm7_impy_si_mult): Just match imul and imadd. + Remove hilo_operand check. + (rm7_impy_si_mul): Just match imul3. Remove hilo_operand check. + * config/mips/predicates.md (hilo_operand): Delete. + +2005-05-11 Richard Sandiford + + * config/mips/sr71k.md, config/mips/7000.md: Reformat. + +2005-05-11 Kazu Hirata + + PR tree-optimizer/18472 + * tree-if-conv.c (tree_if_convert_stmt, + if_convertible_modify_expr_p): Don't handle GOTO_EXPR. + +2005-05-11 Jan Hubicka + + * Makefile.in (tree-eh.o: Kill gt-tree-eh.h dependency. + (GTFILES): add except.h. + * except.c (eh_status): Add throw_stmt_table. + (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New functions. + * except.h (add_stmt_to_eh_region_fn, remove_stmt_from_eh_region_fn, + lookup_stmt_eh_region_fn): Declare. + (throw_stmt_node): New structure. + (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New. + * gengtype.c (open_base_files): Add except.h to inlines. + * tree-eh.c (throw_stmt_node): Kill. + (record_stmt_eh_region): Update. + (add_stmt_to_eh_region_fn): Break out from ... + (add_stmt_to_eh_region): ... here. + (remove_stmt_from_eh_region_fn): Break out from ... + (remove_stmt_from_eh_region): ... here. + (lookup_stmt_eh_region_fn): Break out from ... + (lookup_stmt_eh_region): ... here. + (honor_protect_cleanup_actions): Use build_resx. + (lower_try_finally_onedest): Likewise. + (lower_try_finally_copy): Likewise. + (lower_try_finally_switch): Likewise. + (lower_eh_constructs): Update eh table construction. + * tree.c (build_resx): New. + * tree.h (build_resx): Declare. + +2005-05-11 H.J. Lu + + * libgcov.c (gcov_exit): Set prefix_length to 0 if no relocation + is needed. + +2005-05-11 Kazu Hirata + + * fold-const.c, libgcov.c: Fix comment typos. + + * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove + redundant code. + +2005-05-11 Daniel Jacobowitz + + * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Define. + * config/arm/arm.h (SUBTARGET_FRAME_POINTER_REQUIRED): Provide + default definition. + (FRAME_POINTER_REQUIRED): Use SUBTARGET_FRAME_POINTER_REQUIRED. + +2005-05-11 Nathan Sidwell + + PR bootstrap/21481 + * crtstuff.c: Include auto-host.h again, for now. + +2005-05-11 Richard Sandiford + + * config/mips/24k.md: Remove trailing whitespace. + +2005-05-11 David Ung + + * config/mips/mips.md (type): Add imul3. + (length, hazard, may_clobber_hilo): Check for imul3. + (mulsi3_mult3, muldi3_mult3, *muls, mulsi3_highpart_mulhi_internal) + (*mulsi3_highpart_neg_mulhi_internal): Set attr to imul3. + * config/mips/24k.md (r24k_int_mul3): Enable this reservation + for a 3 operand mul and its bypasses. + * config/mips/3000.md (r3k_imul): Add imul3 to reservations. + * config/mips/4000.md (r4k_imul): Likewise. + * config/mips/4100.md (r4100_imul_si, r4100_imul_di): Likewise. + * config/mips/4130.md (vr4130_class, vr4130_mulsi) + (vr4130_muldi): Likewise. + * config/mips/4300.md (r4300_imul_si, r4300_imul_di): Likewise. + * config/mips/4600.md (r4600_imul, r4650_imul): Likewise. + * config/mips/5000.md (r5k_imul_si, r5k_imul_di): Likewise. + * config/mips/5400.md (ir_vr54_imul_si, ir_vr54_imul_di) + (ir_vr54_imadd_si): Likewise. + * config/mips/5500.md (ir_vr55_imul_si, ir_vr55_imul_di): Likewise. + * config/mips/7000.md (rm7_impy_si_mult, rm7_impy_si_mul) + (rm7_impy_di): Likewise. + * config/mips/9000.md (rm9k_mulsi, rm9k_muldi): Likewise. + * config/mips/generic.md (generic_imul): Likewise. + * config/mips/sb1.md (ir_sb1_mulsi, ir_sb1_muldi): Likewise. + * config/mips/sr71k.md (ir_sr70_imul_si, ir_sr70_imul_di): Likewise. + +2005-05-11 J"orn Rennecke + + PR middle-end/20371: + * tree.h (record_layout_info_s): New member prev_packed. + * stor-layout.c (update_alignment_for_field): Fix comment about + KNOWN_ALIGN. For MS bitfields, if we start a new run, make sure + we start it properly aligned. + (place_field): At the beginning of a record, pass 0 as KNOWN_ALIGN + to update_alignment_for_field, and recompute it afterwards using + the alignment of the record. + When a packed bitfield precedes an MS bitfield, don't add padding + at the end of the packed bitfield on behalf of the base type of + the packed bit field. + Don't adjust rli->bitpos at the end + of an MS bitfield run if we already adjusted bitpos/offset for an + alignment as large or larger than the bitfield type size. + Take possible record alignment > BIGGEST_ALIGNMENT into account + when calculating actual_align. + Only put packed buit fields into rli->prev_field if they end up + suitably aligned. + Also set rli->remaining_in_alignment when we re-set rli->prev_field. + Update rli->remaining_in_alignment when we have already started a + run of bit fields and we process a packed bit field. + +2005-05-11 Sebastian Pop + + * tree-data-ref.c (find_data_references_in_loop): Give up when + the body of the loop contains a CALL_EXPR or an ASM_EXPR: they + may embed arbitrary side effects. + Remove the assumption that GIMPLE form contains a single array + access per statement. + When the statement contains virtual operands, fail if it is not + a MODIFY_EXPR or a CALL_EXPR. + Return after the dont know node is inserted. + +2005-05-11 Richard Earnshaw + + * arm.md (negsf2, negdf2): Permit these expands when compiling for VFP. + +2005-05-11 Richard Guenther + + PR middle-end/19807 + PR tree-optimization/19639 + * fold-const.c (try_move_mult_to_index): Handle INTEGER_CST + and generic summands for char* as s * delta, too, folding &a[i] + CODE x to &a[i CODE x/s]. Use tree_int_cst_equal + for comparison of steps. Convert types for index addition. + (fold_binary): Adjust the callers to always dispatch to + try_move_mult_to_index. + * tree-ssa-propagate.c (set_rhs): Avoid setting rhs to + expr with non-gimple ARRAY_REF offset. + +2005-05-11 Richard Guenther + + * fold-const.c (fold_indirect_ref_1): Avoid removing + NOP_EXPRs with type qualifiers like const. + +2005-05-11 Richard Henderson + + PR c/21502 + * c-decl.c (finish_decl): Propagate the completed array type of + a global variable into the binding. + +2005-05-10 Matt Kraai + + * Makefile.in (gtype-desc.o, build/genautomata.o) + (build/varray.o): Depend on $(VARRAY_H). + +2005-05-10 Diego Novillo + + * tree-optimize.c (init_tree_optimization_passes): Re-organize + optimization passes to do an initial batch of scalar cleanups. + +2005-05-10 Ian Lance Taylor + + * read-rtl.c (struct macro_traverse_data): Define. + (map_attr_string): New static function, broken out of + apply_macro_to_string. + (mode_attr_index, apply_mode_maps): New static functions. + (apply_macro_to_string): Call map_attr_string. + (apply_macro_to_rtx): Add mode_maps and infile parameters. Change + all callers. + (apply_macro_traverse): Expect data to point to a struct + macro_traverse_data. + (read_rtx): Add mode_maps local variable. Use mode_traverse_data + to pass data through htab_traverse. + (read_rtx_1): Add mode_maps parameter. Change all callers. + Handle mode names which are attribute strings. + * doc/md.texi (Substitutions): Rename from String Substitutions. + Change references. Document using attributes as modes. + +2005-05-10 Zdenek Dvorak + + * tree-cfg.c (tree_duplicate_sese_region): Update profile. + * tree-optimize.c (init_tree_optimization_passes) Swap + pass_ch and pass_profile. + * tree-ssa-loop-ch.c (copy_loop_headers): Do not update profile + here. Remove rewrite_into_loop_closed_ssa call. + +2005-05-10 Adrian Straetling + + * config/s390/s390.c: (s390_const_double_ok_for_constraint_p): New + function. + (legitimate_reload_constant_p): Add check for const double zero. + * config/s390/s390.md: Add comment for constraint letter 'G'. + ("*movdf_64", "*movdf_31", "movsf"): Add constraint and proper + attributes for new case. + * config/s390/s390.h: (CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Define it as + s390_const_double_ok_for_constraint_p. + * config/s390/s390-protos.h (s390_const_double_ok_for_constraint_p): + Add prototype. + +2005-05-10 Kazu Hirata + + PR tree-optimization/21170 + * tree-ssa-dom.c, tree-ssa-threadupdate.c: Replace + rewrite_ssa_into_ssa in comments with update_ssa. + +2005-05-10 Zdenek Dvorak + + * tree-ssa-loop-im.c: Include hashtab.h. + (struct mem_ref_loc): New. + (struct mem_ref): Describe the set of references with the same + shape. + (max_stmt_uid, get_stmt_uid, record_mem_ref, free_mem_refs, + maybe_queue_var, fem_single_reachable_address, + for_each_memref, single_reachable_address, + is_call_clobbered_ref, determine_lsm_reg): Removed. + (record_mem_ref_loc, free_mem_ref_locs, determine_lsm_ref, + hoist_memory_reference, memref_hash, memref_eq, memref_del, + gather_mem_refs_stmt, gather_mem_refs, find_more_ref_vops): + New functions. + (rewrite_mem_refs, schedule_sm): Use mem_ref_loc list. + (determine_lsm_loop): Rewritten. + (determine_lsm): Do not set stmt uids. + +2005-05-10 Adrian Straetling + + * config/s390/s390.md: Add comment lines for 'f' and 't' constraint + letters. + +2005-05-10 Adrian Straetling + + * config/s390/s390.md: ("anddi3","andsi3","andhi3","andqi3"): Merge. + ("iordi3", "iorsi3", "iorhi3", "iorqi3"): Merge. + ("xordi3", "xorsi3", "xorhi3", "xorqi3"): Merge. + +2005-05-10 Jeff Law + + * tree-ssa-dom.c (dom_opt_finalize_block): Do not call + thread_across_edge for any abnormal edges. + +2005-05-10 Richard Henderson + + * config/ia64/ia64.c (ia64_expand_atomic_op): New. + * config/ia64/ia64-protos.h: Declare it. + * config/ia64/sync.md (I124MODE, FETCHOP, fetchop_name): New. + (sync_add, sync_old_add): Remove. + (sync_, sync_nand): New. + (sync_old_, sync_old_nand): New. + (sync_new_, sync_new_nand): New. + (cmpxchg_rel_): Split from cmpxchg_acq_. Zero + extend result; use release semantics. + (cmpxchg_rel_di): Rename from cmpxchg_acq_; use release. + (sync_val_compare_and_swap_): Update to match. + +2005-05-10 Richard Henderson + + * optabs.c (expand_compare_and_swap_loop): Don't clobber old value + before comparing it for success. + +2005-05-10 Richard Henderson + + * config/ia64/sync.md (sync_add): Fix arguments for + no return value pattern. + +2005-05-10 Grigory Zagorodnev + H.J. Lu + + * libgcov.c (create_file_directory): New function. Create + directory for the given file name. + (gcov_max_filename): New static var. Keeps size of the longest + file name. + (gcov_exit): Always try to create directory for output + file. Relocate each filename basing on environment vars. + (__gcov_init): Remember the longest file name. + * tsystem.h: include filenames.h to get IS_DIR_SEPARATOR + * doc/gcov.texi (Cross-profiling): New node documenting + cross-profiling management. + * doc/invoke.texi (-fprofile-arcs): Add xref to cross-profiling. + +2005-05-10 Eric Botcazou + + * config/sparc/sparc.c (mem_min_alignment): Do not rely + on MEM_ALIGN if TARGET_UNALIGNED_DOUBLES. + +2005-05-10 Bob Wilson + + * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Rearrange special + case code to avoid one move instruction. + (__umodsi3, __modsi3): Merge duplicated code sequences. + +2005-05-10 Kazu Hirata + + * config/mips/24k.md, config/sh/divtab.c, config/sh/sh.c, + config/sh/sh.md, config/sh/superh.h: Fix comment typos. + * doc/invoke.texi: Fix typos. + + * tree-data-ref.c (analyze_array_indexes, analyze_array, + init_data_ref, access_functions_are_affine_or_constant_p, + free_data_refs): Use VEC instead of VARRAY. + * tree-data-ref.h (data_reference): Change the type of + access_fns to VEC(tree,gc)*. + (DR_ACCESS_FN, DR_NUM_DIMENSIONS): Use VEC instead of VARRAY. + +2005-05-10 Gabor Loki + + PR c/17913 + * c-typeck.c (build_conditional_expr): Remove reducing cond_expr. + * fold-const.c (fold): Expand the condition of reducing cond_expr. + (contains_label_1, contains_label_p): New functions for checking + labels in a sub-tree. + +2005-05-10 Joseph S. Myers + + PR c/21342 + * c-decl.c (pushdecl): When there is a declaration in the current + scope and the declarations are external linkage, check for + compatibility with the type in the external scope and update the + type in the external scope with the composite type information. + Do not form a composite type of the new type and the visible type + if they are incompatible. + +2005-05-10 Nathan Sidwell + + * crtstuff.c: Revert part of 2005-05-08 Change. + (IN_LIBGCC2): Define. + +2005-05-10 Eric Botcazou + + * config/sparc/sparc.c (fp_sethi_p): Test !SPARC_SIMM13_P and + remove redundant test. + (fp_mov_p): Accept 0. + (fp_high_losum_p): Remove redundant test. + * config/sparc/predicates.md (const_high_operand): Explicitly test + (not small_int_operand). + (fp_const_high_losum_operand): New. + * config/sparc/sparc.md (movsi_insn): Do not emit 'clr'. Reorder. + (movdi_insn_sp32_v9): Use canonical predicates. + (movdi_insn_sp32): Test !TARGET_V9 instead of !TARGET_ARCH64. + (movdi_insn_sp64_novis): Delete. + (movdi_insn_sp64_vis): Rename into movdi_insn_sp64. + (movsf_insn_novis): Delete. + (movsf_insn_vis): Rename into movsf_insn. + (movsf_no_f_insn): Rename into movsf_insn_no_fpu. + (movsf_lo_sum): Use fp_const_high_losum_operand. + (movsf_high): Likewise. + (movsf_high_losum splitter): Likewise. + (mov expander): Use register_or_zero_operand. + (mov expander): Likewise. + (movdf_insn_sp32): Use register_or_zero_operand. + (movdf_no_e_insn_sp32): Use register_or_zero_operand. + Rename into movdf_insn_sp32_no_fpu. + (movdf_no_e_insn_v9_sp32): Use register_or_zero_operand. + Rename into movdf_insn_sp32_v9_no_fpu. + (movdf_insn_v9only_novis): Delete. + (movdf_insn_v9only_vis): Rename into movdf_insn_sp32_v9. + (movdf_insn_sp64_novis): Delete. + (movdf_insn_sp64_vis): Rename into movdf_insn_sp64. + (movdf_no_e_insn_sp64): Use register_or_zero_operand. + Rename into movdf_insn_sp64_no_fpu. + (movtf expander): Use register_or_zero_operand. + (movtf_insn_sp32): Delete. + (movtf_insn_vis_sp32): Use register_or_zero_operand. + Rename into movtf_insn_sp32. + (movtf_no_e_insn_sp32): Use register_or_zero_operand. + Rename into movtf_insn_sp32_no_fpu. + (movtf_insn_hq_sp64): Delete. + (movtf_insn_hq_vis_sp64): Use register_or_zero_operand. + Rename into movtf_insn_sp64_hq. + (movtf_insn_sp64): Delete. + (movtf_insn_vis_sp64): Use register_or_zero_operand. + Rename into movtf_insn_sp64. + (movtf_no_e_insn_sp64): Use register_or_zero_operand. + Rename into movtf_insn_sp64_no_fpu. + +2005-05-10 Nathan Sidwell + + * config/stormy16/stormy16.c (xstormy16_emit_cbranch): Use + gcc_assert and gcc_unreachable as appropriate. + (xstormy16_split_cbranch, xstormy16_output_cbranch_hi, + xstormy16_output_cbranch_si, xstormy16_split_move, + xstormy16_initial_elimination_offset, + xstormy16_encode_section_info, xstormy16_print_operand_address, + xstormy16_expand_call, xstormy16_expand_arith, + xstormy16_output_shift, xstormy16_init_builtins): Likewise. + +2005-05-10 Kazu Hirata + + * tree-outof-ssa.c (_elim_graph): Change the type of nodes and + const_copies to VEC(tree,heap)*. + (new_elim_graph, delete_elim_graph, elim_graph_size, + elim_graph_add_node, eliminate_build, eliminate_phi): Use VEC + instead of VARRAY. + +2005-05-10 Joseph S. Myers + + PR other/21052 + * doc/extend.texi (Type Attributes): Correct example syntax. + +2005-05-09 Joseph S. Myers + + PR c/21160 + * doc/invoke.texi (-Wuninitialized): Update documentation. + +2005-05-09 Richard Earnshaw + + * arm.c (const_ok_for_arm): Use a faster algorithm. + +2005-05-09 David Edelsohn + + PR target/21477 + * config/rs6000/rs6000.md (add_op2): New. + (add3): Use it. + +2005-05-09 Richard Earnshaw + + * arm.c (arm_gen_constant): Add new heuristic for generating + constant integers that can be expressed as the difference of two + valid immediates. + +2005-05-09 Roger Sayle + + * c-tree.h (parser_build_unary_op): New prototype. + * c-typeck.c (parser_build_unary_op): New function to construct + a unary operation in the C parser. + * c-parser.c (c_parser_unary_expression): Use the new function + parser_build_unary_op when appropriate. + +2005-05-09 Mark Mitchell + + PR 18655 + * dwarf2out.c (output_call_frame_info): Use DWARF2_FRAME_REG_OUT + before outputting DWARF_FRAME_RETURN_COLUMN. + +2005-05-09 Adrian Straetling + + * config/s390/s390.c: (s390_branch_condition_mask, + s390_branch_condition_mnemonic, s390_extra_constraint_str, + s390_const_ok_for_constraint_p, s390_expand_plus_operand, + legitimize_pic_address, s390_emit_tls_call_insn, + legitimize_tls_address, legitimize_tls_address, + s390_expand_addcc, print_shift_count_operand, print_operand, + addr_generation_dependency_p, annotate_constant_pool_refs, + s390_split_branches, find_constant_pool_ref, + replace_constant_pool_ref, s390_add_constant, s390_find_constant, + s390_find_execute, s390_mainpool_start, s390_chunkify_start, + s390_output_pool_entry, s390_function_value, + s390_call_saved_register_used, s390_emit_call): Replace + conditional aborts by gcc_assert and unconditional by gcc_unreachable. + (s390_select_ccmode, s390_match_ccmode_set, s390_extract_part, + s390_cannot_force_const_mem, s390_output_dwarf_dtprel, + get_some_local_dynamic_name, s390_function_arg_size, + s390_function_arg_advance, s390_function_arg, + s390_expand_builtin, s390_gen_rtx_const_DI): Replace abort in + default case by gcc_unreachable. + * config/s390/s390.md: ("*cjump_31", "*icjump_31", "*jump31"): Replace + conditional abort by gcc_assert. + ("doloop_si31"): Replace abort in last else by gcc_unreachable. + ("main_pool", "pool"): Replace unconditional abort by gcc_unreachable. + +2005-05-09 Adrian Straetling + + * config/s390/s390.c: (s390_decompose_address, + tls_symbolic_operand, legitimate_pic_operand_p, + legitimate_constant_p, legitimate_reload_constant_p, + s390_expand_plus_operand, legitimate_address_p, + legitimate_la_operand_p, ): Remove 'register' from signature. + (symbolic_reference_mentioned_p, + tls_symbolic_reference_mentioned_p): Remove 'register' from local + variable declarations. + (legitimize_address): Remove 'register' from + signature and local variable declarations. + +2005-05-09 Adrian Straetling + + * config/s390/s390-protos.h: (s390_match_ccmode, + s390_match_ccmode_set, reg_used_in_mem_p, + symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p, + legitimate_la_operand_p, preferred_la_operand_p, + s390_short_displacement, addr_generation_dependency_p, + legitimate_reload_constant_p, legitimate_address_p): Change return type + into 'bool'. + (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'. + * config/s390/s390.c: (s390_match_ccmode, + symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p, + legitimate_reload_constant_p): Change return type into 'bool'. + (preferred_la_operand_p,legitimate_la_operand_p, legitimate_address_p): + Likewise. Additionally adapted comment. + (s390_extra_constraint_p): Change Comment to reflect 'int' return type. + (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'. + (s390_decompose_address): Change the type of the internal flags + "pointer", "base_ptr", "indx_ptr", and the return value into 'bool'. + (struct s390_address): Change type of "pointer" into bool. + * config/s390/s390.md: ("*tmdi_reg", "*tmsi_reg", "tm_full"): + Adapt calls for 's390_tm_ccmode' to the new signature. + +2005-05-09 Adrian Straetling + + * config/s390/s390.c: (s390_match_ccmode_set, + s390_branch_condition_mnemonic, s390_short_displacement, + s390_decompose_address, get_thread_pointer, legitimize_tls_address, + print_shift_count_operand, get_some_local_dynamic_name, + get_some_local_dynamic_name_1, reg_used_in_mem_p, + addr_generation_dependency_p, s390_split_branches, + annotate_constant_pool_refs, find_constant_pool_ref, + replace_constant_pool_ref, find_ltrel_base, replace_ltrel_base, + s390_optimize_prologue, find_unused_clobbered_reg, s390_frame_area, + s390_register_info, s390_frame_info, s390_init_frame_layout, + s390_update_frame_layout, save_fpr, restore_fpr, save_gprs, + restore_gprs, s390_function_arg_size, s390_function_arg_float, + s390_init_machine_status, s390_assemble_integer, s390_handle_option, + s390_encode_section_info, s390_cannot_force_const_mem, + s390_delegitimize_address, s390_return_in_memory, s390_init_builtins, + s390_expand_builtin, s390_output_mi_thunk, s390_safe_attr_type, + s390_adjust_priority, s390_issue_rate, + s390_first_cycle_multipass_dfa_lookahead, s390_cannot_copy_insn_p, + s390_rtx_costs, s390_address_cost, s390_reorg, s390_valid_pointer_mode, + s390_build_builtin_va_list, s390_gimplify_va_arg, + s390_function_ok_for_sibcall, s390_call_saved_register_used, + s390_pass_by_reference, s390_fixed_condition_code_regs, + s390_cc_modes_compatible s390_mainpool_start,, s390_mainpool_finish, + s390_mainpool_cancel, s390_chunkify_start, s390_chunkify_finish, + s390_chunkify_cancel, s390_start_pool, s390_end_pool, + s390_add_pool_insn, s390_find_pool, s390_add_constant, + s390_find_constant, s390_add_execute, s390_find_execute, + s390_execute_label, s390_execute_target, s390_dump_pool, + s390_dump_execute, s390_alloc_pool, s390_free_pool): Remove prototypes. + Move target macro definitions to the end of the file. Move several + functions within the file to assure correct compiling. + +2005-05-09 Steven Bosscher + + * calls.c (purge_reg_equiv_notes): Remove, fold into... + (fixup_tail_calls): ...here. Only look at insns between the + start of the function and the FUNCTION_BEG insn note. + + * gcse.c (one_cprop_pass): Fix typos in dumps. + + * tree-ssa-operands.h (FOR_EACH_PHI_ARG): Fix typos. + +2005-05-09 Adrian Straetling + + * config/s390/s390.h: Move xxx_REGNUM definitions to s390.md. + * config/s390/s390.md: ("SIBCALL_REGNUM", "BASE_REGNUM", + "RETURN_REGNUM", "CC_REGNUM", "TP_REGNUM"): New constants. + Replace every occurrence of '(reg: 33)' by '(reg: + CC_REGNUM)'. + ("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): Replace + '(reg: 36)' by '(reg: TP_REGNUM)'. + ("*sibcall_br", "*sibcall_value_br"): Replace '(reg:DI 1)' by '(reg:DI + REG_SC)'. + +2005-05-09 Adrian Straetling + + * config/s390/s390.md: ("gf") New mode attribute. + ("fixuns_truncdfdi2", "fixuns_truncdfsi2", "fixuns_truncsfdi2", + "fixuns_truncsfsi2"): Merge. + ("fix_truncdfdi2", "fix_truncsfdi2"): Merge. + ("fix_truncdfdi2_ieee", "fix_truncdfsi2_ieee", "fix_truncsfdi2_ieee", + "fix_truncsfsi2_ieee"): Merge. + +2005-05-09 Adrian Straetling + + * config/s390/s390.md: ("FPR") New mode macro. + ("de", "dee"): New mode attributes. + ("cmpdf", "cmpsf"): Merge. + ("*cmpdf_ccs_0", "*cmpsf_ccs_0"): Merge. + ("*cmpdf_ccs_0_ibm", "*cmpdf_ccs_0_ibm"): Merge. + ("*cmpdf_ccs", "*cmpsf_ccs"): Merge. + ("*cmpdf_ccs_ibm", "*cmpsf_ccs_ibm"): Merge. + ("floatdidf2", "floatdisf2"): Merge. + ("adddf3", "addsf3"): Merge. + ("*adddf3", "*addsf3"): Merge. + ("*adddf3_cc", "*addsf3_cc"): Merge. + ("*adddf3_cconly", "*addsf3_cconly"): Merge. + ("*adddf3_ibm", "*addsf3_ibm"): Merge. + ("subdf3", "subsf3"): Merge. + ("*subdf3", "*subsf3"): Merge. + ("*subdf3_cc", "*subsf3_cc"): Merge. + ("*subdf3_cconly", "*subsf3_cconly"): Merge. + ("*subdf3_ibm", "*subsf3_ibm"): Merge. + ("muldf3", "mulsf3"): Merge. + ("*muldf3", "*mulsf3" "): Merge. + ("*muldf3_ibm", "*mulsf3_ibm"): Merge. + ("*fmadddf", "*fmaddsf"): Merge. + ("*fmsubdf", "*fmsubsf"): Merge. + ("divdf3", "divsf3"): Merge. + ("*divdf3", "*divsf3"): Merge. + ("*divdf3_ibm", "*divsf3_ibm"): Merge. + ("negdf2", "negsf2"): Merge. + ("*negdf2_cc", "*negsf2_cc"): Merge. + ("*negdf2_cconly", "*negsf2_cconly"): Merge. + ("*negdf2", "*negsf2"): Merge. + ("*negdf2_ibm", "*negsf2_ibm"): Merge. + ("absdf2", "abssf2"): Merge. + ("*absdf2_cc", "*abssf2_cc"): Merge. + ("*absdf2_cconly", "*abssf2_cconly"): Merge. + ("*absdf2", "*abssf2"): Merge. + ("*absdf2_ibm", "*abssf2_ibm"): Merge. + ("*negabsdf2_cc", "*negabssf2_cc"): Merge. + ("*negabsdf2_cconly", "*negabssf2_cconly"): Merge. + ("*negabsdf2", "*negabssf2"): Merge. + ("sqrtdf2", "sqrtsf2"): Merge. + +2005-05-09 Adrian Straetling + + * config/s390/s390.c: (s390_adjust_priority): Adapt to changed + attribute names. + * config/s390/2084.md: ("x_fsimpd", "x_fsimps", "x_fdivd", "x_fdivs", + "x_floadd", "x_floads", "x_fstored", "x_fstores"): Rename to + ("x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf", + "x_floadsf", "x_fstoredf", "x_fstoresf") and replace 'type' + attribute names. + * config/s390/s390.md: ("type"): Rename "fsimpd, fsimps, floadd, floads, + fstored, fstores, fmuld, fmuls, fdivd, fdivs, fsqrtd, fsqrts" to + "fsimpdf, fsimpsf, floaddf, floadsf, fstoredf, fstoresf, fmuldf, + fmulsf, fdivdf, fdivsf, fsqrtdf, fsqrtsf". + ("*cmpdf_ccs_0", "*cmpdf_css_0_ibm", "*cmpdf_ccs", + "*cmpdf_ccs_ibm", "*cmpsf_ccs_0", "*cmpsf_css_0_ibm", + "*cmpsf_ccs", "*cmpsf_ccs_ibm", "*movdi_64", "*movdi_31", + "*movsi_zarch", "*movsi_esa", "*movdf_64", "*movdf_31", "movsf", + "*muldf3", "*muldf3_ibm", "*fmadddf", "*fmsubdf", "*mulsf3", + "mulsf3_ibm", "*fmaddsf", "fmsubsf", "*divdf3", "*divdf3_ibm", + "*negdf2_cc", "*negdf2_cconly", "*negdf2", "*negdf2_ibm", + "*negsf2_cc", "*negsf2_cconly", "*negsf2", "*absdf2_cc", + "*absdf2_cconly", "*absdf2", "*absdf2_ibm", "*abssf2_cc", + "*abssf2_cconly", "*abssf2", "*abssf2_ibm", "*negabsdf2_cc", + "*negabsdf2_cconly", "*negabsdf2", "*negabssf2_cc", + "*negabssf2_cconly", "*negabssf2", "sqrtdf2", "sqrtsf2"): Rename + 'type' value. + ("*divsf3"): Additionally rename second pattern to + "*divsf3_ibm". + ("truncdfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm", + "*adddf3", "*adddf3_cc", "*adddf3_cconly", "*adddf3_ibm", + "*addsf3", "*addsf3_cc", "*addsf3_cconly", "*subdf3", + "subdf3_cc", "*subdf3_cconly", "*subdf3_ibm", "*subsf3", + "subsf3_cc", "*subsf3_cconly", "*subsf3_ibm"): Merge identical + 'type values' and rename 'type' value. + ("*addsf3"): Additionally rename second pattern to + "*addsf3_ibm". + +2005-05-09 Adrian Straetling + + * config/s390/s390.md: ("SHIFT"): New mode macro. + ("lr", "shift"): New mode attributes. + ("ashldi3", "lshrdi3"): Merge. + ("*ashldi3_31", "*lshrdi3"_31): Merge. + ("*ashldi3_64", "*lshrdi3"_64): Merge. + ("ashlsi3", "lshrsi3"): Merge. + +2005-05-09 Adrian Straetling + + * config/s390/s390.md: ("DSI", "SCOND"): New mode + macros. + ("E", "g"): New mode attributes. + ("*adddi3_alc_cc", "*addsi3_alc_cc"): Merge. + ("*adddi3_alc", "*addsi3_alc"): Merge. + ("*subdi3_slb_cc", "*subsi3_slb_cc"): Merge. + ("*subdi3_slb", "*subsi3_slb"): Merge. + ("adddicc", "addsicc"): Merge. + ("*sconddi", "*scondsi"): Merge. + ("*sconddi_neg", "*scondsi_neg"): Merge. + ("sltu", "sgtu", "sleu", "sgeu"): Merge. + ("negdi2", "negsi2"): Extract expander pattern from + "negsi2" and merge with "negdi2". + ("*negdi2"): Merge with instruction pattern of "negsi2". + ("*negdi2_cc", "*negsi2_cc"): Merge. + ("*negdi2_cconly", "*negsi2_cconly"): Merge. + ("rotldi3", "rotlsi3"): Merge. + +2005-05-09 Adrian Straetling + + * config/s390/s390.md: ("hc"): New mode attribute. + ("extendhidi2", "extendqidi2"): Merge. + ("*extendhidi2", "*extendqidi2"): Merge. + ("extendhisi2", "extendqisi2"): Merge. + ("zero_extendhidi2", "zero_extendqidi2"): Merge. + ("*zero_extendhidi2", "*zero_extendqidi2"): Merge. + Merged 2 define_split. + ("*zero_extendhisi2", "*zero_extendqisi2"): Merge. + ("*zero_extendhisi2_64", "*zero_extendqisi2_64"): Merge. + +2005-05-09 Adrian Straetling + + * config/s390/s390.md: ("COMPARE"): New mode macro. + ("beq", "bne", "bgt", "bgtu", "blt", "bltu", "bge", "bgeu", + "ble", "bleu", "bunordered", "bordered", "buneq", "bunlt", + "bungt", "bunle", "bunge", "bltgt"): Merge. + +2005-05-09 Adrian Straetling + + * config/s390/s390.md: ("INT"): New mode macro. + ("one_cmpldi2", "one_cmplsi2", "one_cmplhi2", "one_cmplqi2"): + Merge. + +2005-05-09 Adrian Straetling + + * config/s390/s390.md: ("GPR", "P"): New mode macros. + ("cmpdi", "cmpsi"): Merge. + ("strlendi", "strlensi"): Merge. + ("*strlendi", "*strlensi"): Merge. + ("movmemdi", "movmemsi"): Merge. + ("clrmemdi", "clrmemsi"): Merge. + +2005-05-09 Adrian Straetling + + * config/s390/s390.md: ("HQI"): New mode macro. + ("icm_lo", "icm_hi", "max_uint"): New mode attributes. + ("*tmhi_full", "*tmqi_full"): Merge. + ("*tsthiCCT", "*tstqiCCT"): Merge. + ("*tsthi", "*tstqi"): Merge. + ("*tsthi_cconly", "tstqi_cconly"): Merge. + ("*sethighhisi", "*sethighqisi"): Merge. + +2005-05-09 Kazu Hirata + + * crtstuff.c, integrate.h, tree-scalar-evolution.h, + config/alpha/unicosmk.h, config/arc/arc.md, + config/arm/bpabi.h, config/arm/coff.h, config/arm/elf.h, + config/arm/ieee754-df.S, config/arm/ieee754-sf.S, + config/arm/netbsd.h, config/arm/pe.c, config/arm/pe.h, + config/arm/semi.h, config/arm/uclinux-elf.h, + config/arm/wince-pe.h, config/fr30/fr30.c, + config/rs6000/altivec.h: Update copyright. + +2005-05-09 Nathan Sidwell + + * config/pdp11/pdp11.c (pdp11_output_function_prologue): Use + gcc_assert and gcc_unreachable as appropriate. + (pdp11_output_function_epilogue, output_move_double, + output_move_quad, print_operand_address, output_jump, + output_addr_const_pdp11): Likewise. + * config/pdp11/pdp11.h (FUNCTION_PROFILER, + ASM_OUTPUT_ALIGN): Likewise. + * config/pdp11/pdp11.md: Likewise. + (extendhisi2, subhi3, subqi3): Likewise. + +2005-05-09 David Edelsohn + + PR middle-end/21237 + * dojump.c (do_jump, MINUS_EXPR): Build NE_EXPR and fall through + to NE_EXPR case. + +2005-05-09 Kazu Hirata + + * config/ia64/ia64.c: Fix a comment typo. + +2005-05-09 Richard Earnshaw + + PR target/21397 + * arm.c (ARM_OPT_SET_CPU, ARM_OPT_SET_ARCH, ARM_OPT_SET_TUNE): Define. + (arm_override_options): Use them instead of manifest constants. Don't + allow -march to override the -mtune setting. + +2005-05-09 Nathan Sidwell + + * config/iq2000/iq2000.c (abort_with_insn): Use fancy_abort. + (gen_int_relational): Use gcc_unreachable and gcc_assert as necessary. + (function_arg_advance, function_arg, save_restore_insns, + iq2000_expand_prologue, iq2000_output_conditional_branch, + expand_one_builtin, print_operand): + * config/iq2000/iq2000.md (tablejump): Likewise. + +2005-05-09 David Ung + + * config/mips/mips.h (processor_type): Add names for the 24K. + * config/mips/mips.c (mips_cpu_info_table): Add names for the 24K + processor family. + * config/mips/mips.md (cnv_mode): New attribute for recording the + conversion types of float convert insns. + (cpu): Add 24k and 24kx. + (include): Include 24k.md file. + (truncdfsf2, extendsfdf2, fix_truncdfsi2_insn, fix_truncdfsi2_macro) + (fix_truncdfdi2, fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2) + (floatdisf2): Setup cnv_mode. + (fix_truncsfsi2_insn, fix_truncsfsi2_macro): Changed mode to SF and + setup cnv_mode. + * config/mips/24k.md: New file, contains 24k DFA pipeline + description. + +2005-05-09 Nathan Sidwell + + * config/sh/sh.c (print_operand_address): Use gcc_assert and + gcc_unreachable as appropriate. + (print_operand, prepare_move_operands, prepare_scc_operands, + output_movedouble, output_branch, shift_insns_rtx, gen_shifty_op, + gen_shl_and, shl_sext_kind, gen_datalabel_ref, dump_table, + fixup_mova, gen_far_branch, sh_reorg, split_branches, + final_prescan_insn, output_stack_adjust, sh_expand_epilogue, + sh_set_return_address, sh_setup_incoming_varargs, + initial_elimination_offset, sh_pch_valid_p, get_free_reg, + sh_expand_builtin, sh_output_mi_thunk, extract_sfunc_addr, + check_use_sfunc_addr): Likewise. + * config/sh/netbsd-elf.h (FUNCTION_PROFILER): Likewise. + * config/sh/sh.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise. + * config/sh/symbian.c (sh_symbian_mark_dllexport, + sh_symbian_mark_dllimport): Likewise. + * config/sh/sh.md: Likewise. + (movdicc, call_pop, call_value_pop, casesi_worker_1, + casesi_worker_2, casesi_shift_media, casesi_load_media, + return_media): Likewise. + +2005-05-08 Roger Sayle + + PR inline-asm/8788 + * stmt.c (expand_asm_operands): Avoid calling force_reg on BLKmode + operands. + +2005-05-08 Richard Henderson + + * config/alpha/alpha.c (adjust_address): Fix typo last change. + +2005-05-08 Stephane Carrez + + * config/m68hc11/m68hc11.h (REG_VALID_P): A regno must be >= 0 + and -1 can happen in reg_renumber when no hard register is assigned. + +2005-05-08 Steven Bosscher + Kazu Hirata + + PR tree-optimization/14841, tree-optimization/15838 + * tree-ssa-ccp.c (fold_const_aggregate_ref): New. + (evaluate_stmt): Call it. + +2005-05-08 Jakub Jelinek + + * config/ia64/ia64.c (ia64_override_options): Don't set + ia64_flag_var_tracking and clear flag_var_tracking here... + (ia64_file_start): ... but here. + +2005-05-08 Nathan Sidwell + + * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use gcc_assert + and gcc_unreachable as appropriate. + (expand_prologue, expand_epilogue, m68hc11_gen_lowpart, + m68hc11_gen_highpart, print_operand, print_operand_address, + m68hc11_expand_compare, m68hc11_expand_compare_and_branch, + m68hc11_gen_movhi): Likewise. + * config/m68hc11/m68hc11.h (HARD_X_REGNUM): Reword comment. + * config/m68hc11/m68hc11.md: Reword comment. + +2005-05-08 Stephane Carrez + + PR target/21281 + * config/m68hc11/predicates.md (splitable_operand): An immediate is + allowed. + +2005-05-08 Stephane Carrez + + * config/m68hc11/predicates.md (reg_or_some_mem_operand): Do not allow + the 68HC12 address indirect addressing mode as it is not supported by + bset and bclr. + * config/m68hc11/m68hc11-protos.h + (m68hc11_valid_addressing_p): Declare. + (m68hc11_add_mode): Declare. + * config/m68hc11/m68hc11.c (m68hc11_valid_addressing_p): Rename from + register_indirect_p and export it. + (m68hc11_z_replacement): Use emit_insn_after when adding the save Z + instruction so that it is part of the good BB. + (m68hc11_gen_movhi): Fix invalid generation of indexed indirect + addressing with movw. + (m68hc11_gen_movqi): Use pula and pulb instead of lda and ldb for + 68HC12. + * config/m68hc11/m68hc11.h (ADDR_STRICT, ADDR_INCDEC, ADDR_INDEXED, + ADDR_OFFSET, ADDR_INDIRECT, ADDR__CONST): Moved from m68hc11.c. + * config/m68hc11/m68hc11.md ("movhi_const0"): Use this pattern only + for 68HC11. + ("*movhi_68hc12"): Handle movhi_const0. + ("*subhi3", "subqi3"): Use general_operand for operand 1. + ("*subhi3_zext"): Likewise. + +2005-05-08 Stephane Carrez + + PR target/19051 + * config/m68hc11/m68hc11.md ("mulqi3"): Use general_operand for + operand 1 and fix constraints. + ("mulqihi3"): Use general_operand for operand 2. + +2005-05-08 Julian Brown + H.J. Lu + Paul Brook + + * configure.ac: Set ld_vers_major, ld_vers_minor and ld_vers_patch for + GNU linker. Support linker version x.x.x.x.x. Require GNU linker + 20050308/2.16.0 or newer for comdat group. + * configure: Regenerated. + * config.in: Regenerated. + * varasm.c (default_function_rodata_section): Put .rodata section in + COMDAT group when necessary. + (default_elf_asm_named_section): Rename HAVE_GAS_COMDAT_GROUP to + HAVE_COMDAT_GROUP. + (default_unique_section_1): Don't use .gnu.linkonce when COMDAT is + available. + +2005-05-08 Kazu Hirata + + * tree-dfa.c (referenced_vars, add_referenced_var): Use VEC + instead of VARRAY. + * tree-flow.h (num_referenced_var, referenced_var): Likewise. + * tree-into-ssa.c (mark_def_site_blocks): Likewise. + * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Likewise. + * tree-tailcall.c (suitable_for_tail_opt_p): Likewise. + +2005-05-08 Stephane Carrez + + PR target/16925 + * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Handle split of + 64-bit constants on 64-bit hosts. + (m68hc11_split_logical): Simplify. + (m68hc11_split_move): Likewise. + +2005-05-08 Nathan Sidwell + Paolo Bonzini + + * Makefile.in (cs-tconfig.h): Pass USED_FOR_TARGET to mkconfig.sh + * aclocal.m4 (GCC_TARGET_TEMPLATE, AH_TEMPLATE): New. + * configure.ac (enable_checking): Fix typos in runtime_checking. + (ENABLE_RUNTIME_CHECKING): Mark as target template. + (xm_file): Prepend auto-host.h + (HAVE_GAS_HIDDEN, HAVE_LD_EH_FRAME_HDR): Mark as target template. + * mkconfig.sh: Do not automatically define USED_FOR_TARGET in + tconfig.h. + * crtstuff.c: Do not include auto-host.h. + (IN_LIBGCC2): Do not define. + * gcov-io.h: Include tconfig.h, not auto-host.h. + * libgcc2.c: Do not include auto-host.h. + (abort): Do not undefine. + * libgcov.c: Remove unneeded comment about config.h. + * unwind-dw2-fde-glibc.c: Do not inlude auto-host.h. + * config.in, configure: Regenerated. + +2005-05-08 Nathan Sidwell + Falk Hueffner + + * config/alpha/alpha.c (tls_symbolic_operand_1): Use gcc_assert + and gcc_unreachable as appropriate. + (get_aligned_mem, get_unaligned_address, + alpha_emit_set_long_const, alpha_emit_conditional_branch, + alpha_emit_setcc, alpha_emit_conditional_move, + alpha_lookup_xfloating_lib_func, alpha_compute_xfloating_mode_arg, + alpha_emit_xfloating_libcall, alpha_split_tfmode_pair, + alpha_expand_unaligned_load, alpha_expand_block_move, + alpha_expand_zap_mask, get_trap_mode_suffix, + get_round_mode_suffix, get_some_local_dynamic_name, + print_operand_address, function_arg, alpha_return_in_memory, + function_value, alpha_expand_builtin, + alpha_initial_elimination_offset, alpha_expand_epilogue, + summarize_insn, alpha_handle_trap_shadows, alphaev5_insn_pipe, + alphaev5_next_group, alpha_align_insns, + unicosmk_initial_elimination_offset, unicosmk_unique_section, + unicosmk_ssib_name): Likewise. + * config/alpha/alpha.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise. + * config/alpha/unicosmk.h (TRAMPOLINE_TEMPLATE, + ASM_OUTPUT_ADDR_DIFF_ELT, ASM_OUTPUT_ADDR_DIFF_VEC): Likewise. + * config/alpha/vms.h (INITIAL_ELIMINATION_OFFSET, + ASM_OUTPUT_ADDR_DIFF_ELT): Likewise. + * config/alpha/alpha.md (*divmodsi_internal_er, + *divmoddi_internal_er, ashldi3, *insxl, sibcall, call_osf, + call_nt, call_umk, call_vms, call_value, sibcall_value, + call_value_osf, call_value_nt, call_value_vms, call_value_umk, + *call_vms_1, *movmemdi_1, *clrmemdi_1, *call_value_vms_1): Likewise. + * config/alpha/predicates.md (input_operand): Likewise. + +2005-05-08 Nathan Sidwell + + * config/frv/frv.c (frv_default_flags_for_cpu): Use gcc_assert and + gcc_unreachable, as appropriate. + (frv_function_prologue, frv_alloc_temp_reg, + frv_initial_elimination_offset, frv_expand_block_move, + frv_expand_block_clear, frv_print_operand_jump_hint, + frv_legitimize_tls_address, unspec_got_name, frv_emit_move, + frv_emit_movsi, frv_split_cond_move, frv_split_minmax, + frv_ifcvt_modify_insn, frv_ifcvt_modify_final, + frv_adjust_field_align, frv_insn_unit, frv_cond_flags, + frv_sort_insn_group, frv_reorder_packet, frv_matching_accg_mode, + frv_in_small_data_p, frv_asm_out_constructor, + frv_asm_out_destructor, frv_output_dwarf_dtprel): Likewise. + * config/frv/frv.md (reload_incc_fp, *cond_exec_si_binary1, + *cond_exec_si_binary2, *cond_exec_si_divide, *cond_exec_si_unary1, + *cond_exec_sf_conv, *cond_exec_sf_add, call, sibcall, call_value, + sibcall_value, casesi): Likewise. + + * config/mn10300/mn10300.c (print_operand): Use gcc_assert and + gcc_unreachable as appropriate. + (print_operand_address, mn10300_print_reg_list, expand_prologue, + expand_epilogue, notice_update_cc, initial_offset, + mn10300_address_cost_1): Likewise. + * config/mn10300/mn10300.md: Likewise. + (absdf2, abssf2, negdf2, negsf2): Likewise. + +2005-05-08 Richard Sandiford + + PR target/21416 + * config/mips/mips.c (mips_emit_compare): Don't reverse UNGE and UNGT + comparisons. + * config/mips/mips.md (swapped_fcond): New code macro and attribute. + (sgt_, sge_): Generalize to all members of swapped_fcond, + including sunge_ and sungt_. + +2005-05-08 Richard Sandiford + + * integrate.h (get_hard_reg_initial_val): Change type of register + parameter from int to unsigned int. + (has_hard_reg_initial_val): Likewise. + * integrate.c (get_hard_reg_initial_val): Likewise. + (has_hard_reg_initial_val): Likewise. Remove cast to unsigned int. + +2005-05-08 Kazu Hirata + + * except.c (eh_status): Change the type of ttype_data to + VEC(tree,gc)*. + (add_ttypes_entry, assign_filter_values, + output_function_exception_table): Use VEC instead of VARRAY. + +2005-05-07 David Edelsohn + + * config/rs6000/rs6000.md (popcount2): Fix non-C90 constant. + +2005-05-07 Paul Brook + + * Makefile.in: Fix dependencies. + (GCOV_IO_H, VARRAY_H): Set. + +2005-05-07 Anthony Green + + PR bootstrap/21403 + * configure.ac (STMP_FIXPROTO): Fix [ ] consumption problem in + x$STMP_FIXPROTO test. + * configure: Rebuilt. + +2005-05-07 Joseph S. Myers + + * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Do not define + inappropriate feature test macros if flag_iso. + +2005-05-07 Joseph S. Myers + + * config/ia64/hpux.h (NO_IMPLICIT_EXTERN_C): Define. + +2005-05-07 Hans-Peter Nilsson + + PR target/21441 + * config/cris/cris.md ("*movdi_insn", "*mov_sidesisf_biap") + ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"): + Handle moved operand being in special register. + ("smulsi3_highpart", "umulsi3_highpart"): Change .error into + presumed working insn. + (mover2side): Add FIXME. + +2005-05-07 Richard Sandiford + + * integrate.c (get_func_hard_reg_initial_val): Delete. + (has_func_hard_reg_initial_val): Delete. + (get_hard_reg_initial_val): Inline the old implementation of + get_func_hard_reg_initial_val. Use has_hard_reg_initial_val + instead of has_func_hard_reg_initial_val to test for an existing + pseudo. Only create an rtx if a new initial value entry is needed. + (has_hard_reg_initial_val): Scan the initial value list directly. + Don't create an rtx. + +2005-05-07 David Edelsohn + + * config.gcc ({powerpc,rs6000}-ibm-aix*): Remove rs6000/aix.opt + from extra_options. + * config.in (HAVE_AS_POPCNTB): New. + * configure.ac (HAVE_AS_MFCRF): Add .machine "pwr5" to AIX test. + (HAVE_AS_POPCNTB): New. + * configure: Regenerated. + * config/rs6000/aix.h (TARGET_XL_COMPAT): Delete. + * config/rs6000/rs6000.c (rs6000_override_options, power5): Add + MASK_POPCNTB. Uncomment rs6000_sched_restricted_insns_priority + and rs6000_sched_costly_dep. + * config/rs6000/rs6000.h (TARGET_POPCNTB): New. + (TARGET_XL_COMPAT): Delete. + * config/rs6000/rs6000.md (UNSPEC_POPCNTB): New. + (popcount2): New. + (popcntb2): New. + * config/rs6000/rs6000.opt (mpopcntb): New. + + * opt-functions.awk (var_set): Emit OPTION_MASK_ for InverseMask + if variable name exists. + +2005-05-07 Matt Kraai + + * Makefile.in (c-gimplify.o): Depend on $(RTL_H) instead of rtl.h. + +2005-05-07 Richard Henderson + + PR target/21412 + * config/rs6000/rs6000.c (rs6000_emit_move): Look for tls addresses + with constant offsets. + +2005-05-07 Nathan Sidwell + + * config/v850/v850.c (print_operand): Use gcc_assert and + gcc_unreachable, as appropriate. + (print_operand_address, v850_handle_data_area_attribute, + v850_encode_data_area, construct_restore_jr, construct_save_jarl, + v850_insert_attributes, construct_prepare_instruction): Likewise. + * config/v850/v850.h (INITIAL_ELIMINATION_OFFSET): Likewise. + * config/v850/v850.md (movsicc, *sasf_1): Likewise. + +2005-05-07 Kazu Hirata + + * tree-ssa-loop-ivcanon.c, config/i386/i386.c, + config/rs6000/rs6000.h: Fix comment typos. + +2005-05-07 Richard Sandiford + + * doc/invoke.texi: Remove documentation for MIPS' -mint64 option. + * config/mips/mips.c (TARGET_SCALAR_MODE_SUPPORTED_P): Delete. + (mips_scalar_mode_supported_p): Delete. + +2005-05-06 Eric Christopher + + * config/mips/mips.opt: Remove -mint64 option. + * config/mips/mips.c (override_options): Remove -mint64 + handling. + * config/mips/mips.h (INT_TYPE_SIZE): Define to 32. + * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove + 64-bit integer handling. + * doc/invoke.texi (Option Summary): Remove -mint64 for + mips. + +2005-05-06 Zdenek Dvorak + + PR tree-optimization/19401 + * tree-flow.h (tree_unroll_loops_completely): Declaration changed. + * tree-ssa-loop-ivcanon.c (enum unroll_level): New. + (estimated_unrolled_size): New function. + (try_unroll_loop_completely, canonicalize_loop_induction_variables, + tree_unroll_loops_completely): Always unroll loops if the code size + does not increase. + * tree-ssa-loop.c (tree_complete_unroll): Indicate whether all + loops should be unrolled completely. + (gate_tree_complete_unroll): Run complete unrolling unconditionally. + +2005-05-06 Zdenek Dvorak + + PR rtl-optimization/21254 + * loop-iv.c (iv_number_of_iterations): Simplify infiniteness + assumptions for loops that otherwise do not roll. + (find_simple_exit): Prefer # of iterations that is guaranteed + not to be infinite. + * loop-unroll.c (decide_peel_once_rolling, + decide_peel_completely): Check whether the loop is infinite. + +2005-05-06 Pat Haugen + + * config/rs6000/sysv4.opt: Fix typo. + +2005-05-06 Denis Vlasenko + Jakub Jelinek + + PR target/21329 + * config/i386/i386.c (ix86_expand_movmem): Don't use rep; movsb + for -Os if (movsl;)*(movsw;)?(movsb;)? sequence is shorter. + Don't use rep; movs{l,q} if the repetition count is really small, + instead use a sequence of movs{l,q} instructions. + +2005-05-06 Jeff Law + + PR tree-optimization/21380 + * tree-ssa-threadupdate.c (thread_through_all_blocks): Do not + thread through a block with no preds. + +2005-05-06 Kazu Hirata + + * tree-ssa-operands.c (clobbered_v_may_defs, clobbered_vuses, + ro_call_vuse, fini_ssa_operands, add_call_clobber_ops, + add_call_read_ops): Use VEC instead of VARRAY. + +2005-05-06 Nathan Sidwell + + * config/mcore/mcore.c (mcore_print_operand_address): Use + gcc_assert and gcc_unreachable as appropriate. + (mcore_print_operand, mcore_gen_compare_reg, mcore_output_call, + mcore_output_andn, output_inline_const, mcore_output_move, + mcore_output_movedouble, mcore_expand_block_move, + layout_mcore_frame, mcore_initial_elimination_offset, + mcore_expand_prolog, mcore_mark_dllexport, + mcore_mark_dllimport): Likewise. + * config/mcore/mcore.h (switch_to_section): Likewise. + * config/mcore/mcore.md: Likewise. + +2005-05-06 Aldy Hernandez + + * config/rs6000/linux64.h: Remove MASK_PROFILE_KERNEL, and + TARGET_PROFILE_KERNEL. + + * config/rs6000/rs6000.c (output_profile_hook): Add comment to + TARGET_PROFILE_KERNEL use. + +2005-05-06 Nathan Sidwell + + * config/m32r/m32r.c (m32r_encode_section_info): Use gcc_assert + and gcc_unreachable, as appropriate. + (gen_compare, gen_split_move_double, m32r_setup_incoming_varargs, + m32r_expand_prologue, m32r_output_function_epilogue, + m32r_legitimize_pic_address, m32r_print_operand_address, + emit_cond_move, m32r_function_symbol, + m32r_output_block_move): Likewise. + * config/m32r/m32r.h (INITIAL_ELIMINATION_OFFSET): Likewise. + * config/m32r/m32r.md ( *movsi_insn, *zero_branch_insn, + *rev_zero_branch_insn): Likewise. + +2005-05-06 Jakub Jelinek + + PR c++/20961 + * varasm.c (merge_weak): Remove NEWDECL from WEAK_DECLS chain + if both NEWDECL and OLDDECL are already weak. + +2005-05-06 Richard Sandiford + + * config/rs6000/sysv4.h (EXTRA_SUBTARGET_SWITCHES): Delete. + +2005-05-05 J"orn Rennecke + Kaz Kojima + + * config/sh/sh.c (sh_builtin_saveregs): Use copy_to_mode_reg + and plus_constant. + +2005-05-05 Aldy Hernandez + David Edelsohn + + * config.gcc: Add .opt magic for the rs6000 ports. + + * doc/invoke.texi: Document -mabi= option properly. Document + -misel and -mno-sel. Document -mspe and -mno-spe. Document + -mvrsave and -mno-vrsave. Document deprecation of -mspe= and + -misel=. + + * config/rs6000/aix.h: Remove XL_COMPAT stuff. Remove + SUBTARGET_SWITCHES and SUBSUBTARGET_SWITCHES. Define + TARGET_XL_COMPAT. + + * config/rs6000/aix.opt: New. + * config/rs6000/aix41.opt: New. + * config/rs6000/aix64.opt: New. + * config/rs6000/darwin.opt: New. + * config/rs6000/linux64.opt: New. + * config/rs6000/rs6000.opt: New. + * config/rs6000/sysv4.opt: New. + + * config/rs6000/sysv4.h: Delete definitions of MASK_* and + associated TARGET_*. Remove SUBTARGET_OPTIONS, + SUBTARGET_SWITCHES. + Define TARGET_USES_SYSV4_OPT. + * config/rs6000/aix41.h: Remove SUBSUBTARGET_SWITCHES. + * config/rs6000/aix43.h: Remove SUBSUBTARGET_SWITCHES. Define + TARGET_USES_AIX64_OPT. + * config/rs6000/aix51.h: Same. + * config/rs6000/aix52.h: Same. + * config/rs6000/darwin.h: Remove SUBTARGET_SWITCHES, + MASK_MACHO_DYNAMIC_NO_PIC, TARGET_MACHO_DYNAMIC_NO_PIC. + Use TARGET_ALTIVEC_VRSAVE instead of rs6000_altivec_vrsave. + Define TARGET_DYNAMIC_NO_PIC as TARGET_MACHO_DYNAMIC_NO_PIC. + * config/rs6000/linux64.h: Use + rs6000_explicit_options. Remove EXTRA_SUBTARGET_SWITCHES. + + * config/rs6000/rs6000.c: Remove definitions of + rs6000_sched_restricted_insns_priority, + rs6000_long_double_size_string, rs6000_altivec_vrsave, + rs6000_altivec_vrsave_string, rs6000_isel, rs6000_spe, + rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string, + rs6000_abi_string, rs6000_warn_altivec_long, rs6000_longcall, + rs6000_alignment_string. Define rs6000_explicit_options. + (rs6000_parse_abi_options): Remove. + (rs6000_parse_alignment_option): Remove. + (rs6000_parse_float_gprs_option): Remove. + (rs6000_handle_option): New. Define TARGET_HANDLE_OPTION. Define + TARGET_DEFAULT_TARGET_FLAGS. + (rs6000_override_options): Revamp to use new .opt machinery. + + * config/rs6000/rs6000.h: Remove old MASK_* and TARGET_* in favor + of new .opt machinery. Remove target_flags. Redefine + TARGET_MFCRF and TARGET_POWERPC64. Remove TARGET_SWITCHES, + SUBTARGET_SWITCHES, TARGET_OPTIONS, SUBTARGET_OPTIONS, + rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string, + rs6000_altivec_vrsave_string, rs6000_altivec_vrsave, + rs6000_longcall_switch, rs6000_default_long_calls, + rs6000_sched_costly_dep_str, rs6000_sched_costly_dep, + rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch, and + TARGET_ALTIVEC_VRSAVE. + +2005-05-05 Ralf Corsepius + + * config.gcc (hppa1.1-*-rtems*): Remove. + * config/pa/rtems.h: Remove. + +2005-05-05 Ralf Corsepius + + * config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY): + Exclude roe/603e multilib variants. + +2005-05-04 Denis Chertykov + + PR target/21284 + * config/avr/avr.c (avr_output_addr_vec_elt): Use special section + for output. + +2005-05-05 Richard Sandiford + + * config.gcc (arm*-wince-pe*, arm-*-pe*, strongarm-*-pe): Add + arm/pe.opt to $extra_options. + * config/arm/arm.h (target_flags, target_fpu_name, target_fpe_name) + (target_float_abi_name, target_float_switch, target_abi_name) + (ARM_FLAG_APCS_FRAME, ARM_FLAG_POKE, ARM_FLAG_FPE, ARM_FLAG_APCS_STACK) + (ARM_FLAG_APCS_FLOAT, ARM_FLAG_APCS_REENT, ARM_FLAG_BIG_END) + (ARM_FLAG_INTERWORK, ARM_FLAG_LITTLE_WORDS, ARM_FLAG_NO_SCHED_PRO) + (ARM_FLAG_ABORT_NORETURN, ARM_FLAG_SINGLE_PIC_BASE) + (ARM_FLAG_LONG_CALLS, ARM_FLAG_THUMB, THUMB_FLAG_BACKTRACE) + (THUMB_FLAG_LEAF_BACKTRACE, THUMB_FLAG_CALLEE_SUPER_INTERWORKING) + (THUMB_FLAG_CALLER_SUPER_INTERWORKING, CIRRUS_FIX_INVALID_INSNS) + (TARGET_APCS_FRAME, TARGET_POKE_FUNCTION_NAME, TARGET_FPE) + (TARGET_APCS_STACK, TARGET_APCS_FLOAT, TARGET_APCS_REENT) + (TARGET_BIG_END, TARGET_INTERWORK, TARGET_LITTLE_WORDS) + (TARGET_NO_SCHED_PRO, TARGET_ABORT_NORETURN, TARGET_SINGLE_PIC_BASE) + (TARGET_LONG_CALLS, TARGET_THUMB, TARGET_CALLER_INTERWORKING) + (TARGET_CIRRUS_FIX_INVALID_INSNS, SUBTARGET_SWITCHES, TARGET_SWITCHES) + (TARGET_OPTIONS, arm_cpu_select, arm_select, structure_size_string) + (arm_pic_register_string): Delete. + (TARGET_BACKTRACE): Redefine using TARGET_TPCS_LEAF_FRAME and + TARGET_TPCS_FRAME. + (TARGET_DEFAULT, CONDITIONAL_REGISTER_USAGE): Update mask names. + * config/arm/coff.h (TARGET_DEFAULT): Likewise. + * config/arm/elf.h (TARGET_DEFAULT): Likewise. + * config/arm/netbsd-elf.h (TARGET_DEFAULT): Likewise. + * config/arm/netbsd.h (TARGET_DEFAULT): Likewise. + * config/arm/semi.h (TARGET_DEFAULT): Likewise. + * config/arm/uclinux-elf.h (TARGET_DEFAULT): Likewise. + * config/arm/wince-pe.h (TARGET_DEFAULT): Likewise. + * config/arm/pe.h (TARGET_DEFAULT): Likewise. + (TARGET_FLAG_NOP_FUN, TARGET_NOP_FUN_DLLIMPORT): Delete. + (SUBTARGET_SWITCHES): Delete. + * config/arm/arm.c (target_float_switch): Delete. + (arm_cpu_select): Moved from config/arm/arm.h. + (target_fpu_name, target_fpe_name, target_float_abi_name) + (target_abi_name, structure_size_string, arm_pic_register_string) + (arm_select): Make static. + (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults. + (arm_handle_option): New function. + (arm_override_options): Update target_flags checks for new mask names. + Remove target_float_switch code. + (arm_expand_prologue, thumb_expand_prologue): Check + !TARGET_SCHED_PROLOG instead of TARGET_NO_SCHED_PRO. + * config/arm/arm.opt, config/arm/pe.opt: New files. + +2005-05-05 Nathan Sidwell + + * config/arc/arc.c (get_arc_condition_code): Use gcc_assert & + gcc_unreachable as appropriate. + (arc_double_limm_p, arc_setup_incoming_varargs, + arc_compute_function_type, arc_output_function_prologue, + arc_output_function_epilogue, arc_eligible_for_epilogue_delay, + output_shift, arc_print_operand, arc_print_operand_address, + arc_final_prescan_insn): Likewise. + * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise. + +2005-05-04 Geoffrey Keating + + * config/rs6000/rs6000.md (P): Use TARGET_*BIT rather than + comparing Pmode. + (SDI): New. + (cmp): Delete. + (wd): New. + (add3, add3_internal1, add3_internal2, + add3_internal3, one_cmpl2, sub3, neg2, + clz2, ctz2, ffs2): New. + (addsi3, addsi3_internal1, addsi3_internal2, addsi3_internal3, + (one_cmplsi2, subsi3, negsi2, clzsi2, ctzsi2, ffssi2): Remove. + (adddi3, adddi3_internal1, adddi3_internal2, adddi3_internal3, + (one_cmpldi2, subdi3, negdi2, clzdi2, ctzdi2, ffsdi2): Remove. + (sync_compare_and_swap): Use rather than . + +2005-05-05 Paul Brook + + * Makefile.in: Replace dependencies on basic-block.h, c-pragma.h, + cfgloop.h, diagnostic.h, insn-attr.h, langhooks-def.h, params.h, + regs.h, system.h, tree-dump.h, tree-gimple.h, tree-scalar-evolution.h + and tree-data-ref.h with *_H variables. + +2005-05-05 Kelley Cook + + * config/m32r/xm-m32r.h, config/m32r/xm-linux.h: Delete files. + +2005-05-05 Kelley Cook + + * system.h: Poison BYTEORDER and HOST_WORDS_BIG_ENDIAN. + +2005-05-04 Gerald Pfeifer + + * doc/contrib.texi (Contributors): Add Mostafa Hagog and Ayal Zaks. + +2005-05-04 Fariborz Jahanian + + * config/rs6000/rs6000.c (rs6000_emit_prologue): Emit + setting of vrsave register for current function after + call to save_world is emitted. + +2005-05-05 Hans-Peter Nilsson + + * config/mmix/predicates.md: New file. + * config/mmix/mmix.c (mmix_symbolic_or_address_operand) + (mmix_reg_or_constant_operand, mmix_reg_cc_operand) + (mmix_foldable_comparison_operator, mmix_comparison_operator) + (mmix_reg_or_0_operand, mmix_reg_or_8bit_operand): Remove. + * config/mmix/mmix.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): + Don't define. + * config/mmix/mmix.md: Include predicates.md. + ("call", "call_value"): Force address to register if it isn't a + mmix_symbolic_or_address_operand. + +2005-05-04 Andrew MacLeod + + * tree-flow-inline.h (op_iter_init_use, op_iter_init_def): Assert that + the flags are of appropriate types. + (num_ssa_operands): Generalize using the generic interface. + * tree-ssa-dce.c (remove_dead_stmt): Don't ask for kills on a DEF + iterator. + +2005-05-04 Richard Sandiford + + * protoize.c (version_flag, quiet_flag, nochange_flag, nosave_flag) + (keep_flag, local_flag, global_flag, cplusplus_flag): Make extern. + +2005-05-04 Kazu Hirata + + * tree-outof-ssa.c (edge_leader, stmt_list, + analyze_edges_for_bb): Use VEC instead of VARRAY. + (init_analayze_edges_for_bb, fini_analayze_edges_for_bb): New. + (perform_edge_inserts): Call init_analayze_edges_for_bb and + fini_analayze_edges_for_bb. + +2005-05-04 James E Wilson + + PR driver/21112 + * gcc.c (process_command): In the second argv scan loop, ignore + Xassembler and Xpreprocessor, along with their argument. + +2005-05-04 Kazu Hirata + + * tree-flow-inline.h, tree-ssa-operands.c, + tree-ssa-operands.h, tree-ssa-opfinalize.h: + Likewise. tree-vn.c: Fix comment typos. + * doc/passes.texi, doc/tree-ssa.texi: Fix typos. + +2005-05-04 Paolo Bonzini + + * doc/tm.texi (Target Hooks): Document + TARGET_RESOLVE_OVERLOADED_BUILTIN. + +2005-05-04 Paul Brook + + * Makefile.in: Change dependencies on target.h to $(TARGET_H). + +2005-05-04 Kazu Hirata + + * dwarf2out.c (incomplete_types, retry_incomplete_types, + gen_struct_or_union_type_die, dwarf2out_init): Use VEC instead + of VARRAY. + + * loop-unroll.c (var_to_expand, analyze_insn_to_expand_var, + get_expansion, expand_var_during_unrolling, + insert_var_expansion_initialization, + combine_var_copies_in_loop_exit, release_var_copies): Use VEC + instead of VARRAY. + + * tree-ssa-loop-ivopts.c (rewrite_address_base): Don't call + update_stmt. + +2004-05-03 Andrew Pinski + + PR middle-end/15618 + * fold-const.c (fold_widened_comparison): Treat BOOLEAN_TYPE + the same as INTEGER_TYPE. + (fold_binary): Fold "bool_var != 0" to bool_var. + Fold "bool_var == 1" to bool_var. + +2004-05-03 Richard Henderson + + PR middle-end/21318 + * function.c (instantiate_virtual_regs_in_insn): Use the mode + from recog_data instead of insn_data. + +2005-05-03 DJ Delorie + + * common.opt (fdiagnostics-show-option): No variable is needed. + * diagnostic.h (diagnostic_context): Add show_option_requested flag. + * diagnostic.c (diagnostic_initialize): Initialize show_option_requested. + (diagnostic_report_diagnostic): Test for enabled diagnostics here. + Save and restore original message format. Use flag in context + instead of global. + (warning): Don't test for enabled warnings here. + * opts.c (common_handle_option): Handle -fdiagnostics-show-option + here. + +2005-05-04 Kelley Cook + + * config/m32r/xm-m32r.h: Don't define HOST_WORDS_BIG_ENDIAN. + * config/m32r/xm-linux.h: Don't undefine HOST_WORDS_BIG_ENDIAN. + * mips-tfile.c: Use WORDS_BIG_ENDIAN instead of HOST_WORDS_BIG_ENDIAN. + * aclocal.m4: Don't include accross.m4. + * configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS. + Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF. + * configure, config.in: Regenerate. + +2005-05-04 Jakub Jelinek + + PR middle-end/21265 + * expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL. + (clear_storage): Add argument. + * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall): + Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to + tailcall. + (emit_block_move): Handle BLOCK_OP_TAILCALL method. + (clear_storage): Add method argument, handle BLOCK_OP_TAILCALL. + (store_expr, store_constructor): Adjust callers. + * builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL + to emit_block_move if CALL_EXPR_TAILCALL (exp). + (expand_builtin_memmove): Add ORIG_EXP argument, copy + CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR. + (expand_builtin_bcopy): Replace ARGLIST and TYPE arguments + with EXP. Pass EXP to expand_builtin_memmove. + (expand_builtin_memset): Add ORIG_EXP argument, pass + BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp). + (expand_builtin_bzero): Replace ARGLIST argument with EXP. + Pass EXP to expand_builtin_memset. + (expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to + the new CALL_EXPR. + (expand_builtin_strncmp): Likewise. + (expand_builtin_printf): Replace ARGLIST argument with EXP. + Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR. + (expand_builtin_fprintf): Likewise. + (expand_builtin): Adjust calls to + expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}. + + * config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th + item in V4SF mode. + + PR rtl-optimization/21239 + * combine.c (combine_simplify_rtx) : Fix a typo. + +2005-05-03 Kazu Hirata + + * tree-flow.h (tree_ann_common_d): Move aux to ... + (stmt_ann_d): ... here. + * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt, + move_computations_stmt, schedule_sm): Update references to + aux. + * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise. + + * tree-cfg.c (remove_bb): Remove a redundant call to + set_bb_for_stmt. + * tree-if-conv.c (replace_phi_with_cond_modify_expr): + Likewise. + +2005-05-03 Richard Henderson + + * config/rs6000/rs6000.c: Remove conflict markers. + + * cfg.c (dump_flow_info): Use max_reg_num, not max_regno. + +2005-05-03 James E Wilson + + * dwarf2out.c (lookup_filename): Call maybe_emit_file. + +2005-05-03 DJ Delorie + + * c-decl.c (store_parm_decls_oldstyle): Let diagnostic machinery + decide if the warning will be printed. + * calls.c (expand_call): Likewise. + * function.c (init-function_start): Likewise. + + * common.opt (-fdiagnostics-show-option): New. + * opts.c (option_enabled): Accept the option index instead of a + pointer to the option descriptor. + * opts.h (option_enabled): Likewise. + * toplev.c (print_switch_values): Pass option index, not option + descriptor. + * diagnostic.h (diagnostic_info): Add option_index. + * diagnostic.c: Include opts.h. + (diagnostic_set_info): Initialize option_index. + (diagnostic_report_diagnostic): Amend option name if appropriate. + (warning): Check to see if the specified warning is enabled. + Store option index. + * doc/invoke.texi (-fdiagnostics-show-options): Document. + +2005-05-03 Richard Henderson + + * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and + SPEC_OR_GEN_REGS definitions. + +2005-05-03 Alexandre Oliva + + PR target/16888 + * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names + for unavailable registers. + +2005-05-03 Kazu Hirata + + * tree-cfg.c (tree_forwarder_block_p): Fix a typo. + + * cfglayout.c (block_locators_blocks, + insn_locators_initialize, insn_scope): Use VEC instead of + VARRAY. + + * tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl, + mudflap_finish_file, mudflap_finish_file): Use VEC instead of + VARRAY. + +2005-05-03 Eric Botcazou + + * config/sparc/predicates.md (const_compl_high_operand): New. + * config/sparc/sparc.c (sparc_emit_set_safe_HIGH64): Rename into + gen_safe_HIGH64. + (sparc_emit_set_const64_quick1): Adjust for above change. + (sparc_emit_set_const64_quick2): Likewise. + (sparc_emit_set_const64_longway): Likewise. + (sparc_emit_set_const64): Likewise. + * config/sparc/sparc.md (movhi_const64_special, movsi_const64_special, + movdi_const64_special): Delete. + (logical constant splitters): Use const_compl_high_operand. + +2005-05-03 Richard Guenther + + * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS + rather than STRIP_NOPS. + +2005-05-03 Jakub Jelinek + + PR rtl-optimization/21330 + * loop-unswitch.c (may_unswitch_on): Set *cinsn only when + returning non-NULL. + (unswitch_single_loop): Clear cinsn when retrying. + + PR target/21297 + * config/i386/i386.c (legitimize_address): When canonicalizing + ASHIFT into MULT, multiply by 1 << shift_count instead of + 1 << log2 (shift_count). + +2005-05-03 Andrew MacLeod + + * lambda-code.c (gcc_loop_to_lambda_loop, + lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def, + stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use + generic operand interface. + * tree-data-ref.c (find_data_references_in_loop): Use generic interface. + * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use + generic operand interface. + * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list, + link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt, + next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use, + num_imm_uses): Use ssa_use_operand_t. + (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops, + get_v_must_def_ops): Delete. + (get_def_from_ptr, get_phi_result_ptr): Get def directly now. + (get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr, + get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr, + get_v_must_def_kill_ptr): Delete. + (delink_stmt_imm_use): Move and use new operand interface. + (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init, + op_iter_next_tree): Use new operand implementation. + (clear_and_done_ssa_iter): New. Initialize a blank operand iterator. + (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator + type check. + (op_iter_next_mustdef, op_iter_next_maydef, + op_iter_next_must_and_may_def): Delete. Replace with... + (op_iter_next_maymustdef): New. Combine must and may next operations. + (op_iter_init_maydef, op_iter_init_mustdef, + op_iter_init_must_and_may_def): Use new interface. + (single_ssa_tree_operand ): New. Process single operands only as trees. + (single_ssa_use_operand): New. Process single operands only as uses. + (single_ssa_def_operand): New. Process single operands only as defs. + (zero_ssa_operands): New. Return TRUE if there are zero operands of the + specified types. + (num_ssa_operands): New. Count the number of specified operands. + (compare_ssa_operands_equal): New. Compare two statements' operands. + (single_phi_def): New. Return true if PHI has one def of the specified + operand type. + (op_iter_init_phiuse): New. Initialize the iterator for PHI arguments. + (op_iter_init_phidef): New. Initialize the iterator for the PHI def. + * tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t. + (struct stmt_ann_d): Operands field no longer require GTY(). + (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype. + * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL. + * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb, + dump_replaceable_exprs, rewrite_trees): Use generic interface. + * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node): + Use use_operand_p instead of ssa_imm_use_t *. + * tree-pretty-print.c (dump_vops): check if operands are active before + dumping virtual operands. + * tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS. + * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS. + (ccp_fold): Use new interface. + (ccp_visit_stmt): Remove unused variables and code. + (convert_to_gimple_builtin): Insert statements before calling + mark_new_vars_to_rename. + * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS. + (copy_prop_visit_cond_stmt): Use generic interface. + * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the + annotation in table. + (thread_across_edge): Use generic interface. + (initialize_hash_element): Initialzie with stmt, not annotation. + (eliminate_redundant_computations): Use generic interface. + (record_equivalences_from_stmt): Pass stmt, not annotation. + (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic + interface. + * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS. + * tree-ssa-loop-ivopts.c (find_invariants_stmt, + find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use + generic operand interface. + * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic + interface. + * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand + Interface. + * tree-ssa-operands.c (struct opbuild_list_d): New. Operand build type. + (build_defs, build_uses, build_v_may_defs, build_vuses, + build_v_must_defs): Change type to struct opbuild_list_d. + (ops_active): New. Operands active boolean. + (operand_memory, operand_memory_index): New. Operand memory managers. + (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype, + allocate_vuse_optype, allocate_v_must_def_optype): Delete. + (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs): + Change from functions to static variable list heads. + (opbuild_initialize_virtual): New. Initialize a virtual build list. + (opbuild_initialize_real): New. Initialize a virtual build list. + (opbuild_free): New. Free a build list. + (opbuild_num_elems): New. Number of items in a list. + (opbuild_append_real): New. Add a real (tree *) operand. + (opbuild_append_virtual): New. Add and sort a virtual (tree) operand. + (opbuild_first): New. Return first element index in a list. + (opbuild_next): New. Return next element in a list. + (opbuild_elem_real): New. Return real element. + (opbuild_elem_virtual): New. Return virtual element. + (opbuild_elem_uid): New. Return UID of virtual element. + (opbuild_clear): New. Reset an operand list. + (opbuild_remove_elem): New. Remove an element form a list. + (ssa_operands_active): New. Return true if operand cache is active. + (init_ssa_operands, fini_ssa_operands): Initialize new implementation. + (ssa_operand_alloc): New. Allocate memory from an operand chunk. + (correct_use_link): Use use_operand_p. + (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs, + finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation. + (cleanup_v_may_defs): Use new implmentation. + (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New + implementation. + (append_def, append_use, append_v_may_def, append_vuse, + append_v_must_def): Call opbuild_append routine instead of using varray. + (build_ssa_operands): Simplify to simply use stmt, don't maintain a + global parse_old_ops variable. + (free_ssa_operands): New implementation. + (update_stmt_operands): Move. Change argument to build_ssa_operands. + (copy_virtual_operands): Move. New generic implementation. + (create_ssa_artficial_load_stmt): Move. New implementation. + (swap_tree_operands): Update for new implementation. + (get_expr_operands): Add stmt parameter to calls to swap_tree_operands. + (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list + rather than a varray. + (verify_imm_links): Use use_operand_p. + (dump_immediate_uses_for): If the immediate use variable is a virtual + variable, show the virtual ops in the stmt. + * tree-ssa-operands.h (def_operand_p): No longer a structure. + (NULL_DEF_OPERAND_P): Now a #define. + (def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d, + vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete. + (def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d, + mustdef_optype_d): New. Use Linked list representation. + (SSA_OPERAND_MEMORY_SIZE): New. Size of operand memory chunk. + (struct ssa_operand_memory_d): New. Allocated Chunk node. + (struct stmt_operands_d): Change to new pointers that are not GTY. + (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP, + STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT, + SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP, + STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT, + SET_V_MUST_DEF_KILL): Delete. + (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT, + V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*. + (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT, + V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*. + (enum ssa_op_iter_type): Operand iterator typechecking values. + (struct ssa_operand_iterator_d): Use linked lists of operands. + (SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL. + (FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND, + FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef. + (FOR_EACH_PHI_ARG): New. Iterate over PHI arguments. + (FOR_EACH_PHI_OR_STMT_USE): New. Iterate over PHI or stmt uses. + (FOR_EACH_PHI_OR_STMT_DEF): New. Iterate over PHI or stmt defs. + (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND, + SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New. + * tree-ssa-opfinalize.h: New. Function templates for expansion. + (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef, + alloc_vuse, and alloc_mustdef. + (FINALIZE_FUNC): Expands into finalize_ssa_def_ops, + finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops, + and finalize_ssa_v_must_def_ops. + * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add. + (create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass + stmt around. + (compute_avail): Use generic iterator interface. + * tree-ssa-propagate.c (first_vdef): Use generic operand interface. + (stmt_makes_single_load, stmt_makes_single_store): Use + ZERO_SSA_OPERANDS. + * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS. + (statement_sink_location): Use generic interface. + * tree-ssa.c (verify_ssa): Use %p in fprintf. Use generic interface. + (delete_tree_ssa): Don't call release_defs. Call release_ssa_name and + reset the immediate use link nodes. + (stmt_references_memory_p): Use ZERO_SSA_OPERANDS. + * tree-ssanames.c (make_ssa_name): Use use_operand_p. + * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS. + (eliminate_tail_call): Use generic operand interface. + * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS. + (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic + interface. + * tree-vect-transform.c (update_vuses_to_preheader): Use generic + interface. + * tree-vectorizer.c (rename_variables_in_bb): Use generic interface. + * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of + vuse_optype. + (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add): + Use statement pointer instead of vuse_optype. Use generic interface. + * tree-vrp.c (maybe_add_assert_expr): Use generic interface. + (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS. + * tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d. + (tree_ssa_name, phi_arg_d): Use ssa_use_operand_d. + * doc/tree-ssa.texi: Update documentation for operand interface. + +2005-05-03 Nathan Sidwell + + * config/darwin.c (machopic_define_symbol): Use gcc_assert or + gcc_unreachable as appropriate. + (machopic_function_base_name, machopic_indirect_data_reference, + machopic_legitimize_pic_address, darwin_non_lazy_pcrel): Likewise. + * config/host-darwin.c (darwin_gt_pch_use_address): Likewise + * config/rs6000/altivec.md (*mov_internal, + build_vector_mask_for_load): Likewise. + * config/rs6000/darwin.md (movdf_low_si, movdf_low_di, + *call_nonlocal_darwin64, *call_value_nonlocal_darwin64, + *sibcall_symbolic_64, *sibcall_value_symbolic_64): Likewise. + * config/rs6000/predicates.md (easy_fp_constant, + logical_operand): Likewise. + * config/rs6000/rs6000.c (spe_expand_predicate_builtin, + compute_save_world_info, rs6000_emit_prologue, + rs6000_output_mi_thunk): Reword comments to avoid 'abort'. + * config/rs6000/host-darwin.c (segv_handler): Use fancy_abort + directly. + +2005-05-03 Uros Bizjak + + PR middle-end/21282 + * convert.c (convert_to_integer): Convert ceil and floor in + c99 mode only. + +2005-04-29 Geoffrey Keating + + PR target/20813 + * config/rs6000/rs6000.md (floatsidf2_internal): Merge to create + define_insn_and_split. Split only when memory operand is + offsettable. Use adjust_address rather than plus_constant. + (floatunssidf2_internal): Likewise. + (fix_truncdfsi2_internal): Split only when memory operand is + offsettable. Use adjust_address rather than plus_constant. + (fix_trunctfsi2_internal): Likewise. + (floatsidf2_internal): Likewise. + +2005-05-02 Diego Novillo + + * tree-vrp.c (set_value_range_to_nonnull): Declare inline. + (set_value_range_to_null): Likewise. + (set_value_range_to_varying): New function. Use it in all + call sites that used to call set_value_range (vr, VR_VARYING, ...). + (extract_range_from_assert): If the integral type has a + super-type, and LIMIT is not within MIN and MAX values of that + type, set the resulting range to VR_VARYING. + +2005-05-02 Hans-Peter Nilsson + + * config/mmix/mmix.opt: New file. + * config/mmix/mmix.h: Move options-related comments to mmix.opt. + (mmix_cc1_ignored_option): Don't declare. + (TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU) + (TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND) + (TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS) + (TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN) + (TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU, + (TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION) + (TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT) + (TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES): + Don't define. + (TARGET_DEFAULT): Change TARGET_MASK_... to MASK_... + * config/mmix/mmix.c (mmix_cc1_ignored_option): Remove. + (TARGET_DEFAULT_TARGET_FLAGS): Override default. + +2005-05-02 Joseph S. Myers + + PR c/15698 + * c-tree.h (C_DECL_BUILTIN_PROTOTYPE): New. + * c-decl.c (current_function_prototype_built_in, + current_function_prototype_arg_types): New. + (merge_decls): Keep source location of prototype followed by + nonprototype declaration. Update C_DECL_BUILTIN_PROTOTYPE. + (builtin_function): Set C_DECL_BUILTIN_PROTOTYPE. + (start_function): Always set current_function_prototype_locus, + current_function_prototype_built_in and + current_function_prototype_arg_types. Check for external + prototype whether or not visible for external function and set + current_function_prototype_arg_types accordingly. + (store_parm_decls_oldstyle): Use + current_function_prototype_arg_types for checking old-style + definition against prototype. Give warnings only if + current_function_prototype_built_in). + +2005-05-02 Daniel Jacobowitz + + * ggc.h (ggc_alloc_zone_pass_stat): New macro. + (ggc_alloc_zone_stat): Don't define. + * ggc-zone.c (ggc_alloc_typed_stat, ggc_alloc_stat): Use + ggc_alloc_zone_pass_stat. + * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Likewise. + * tree.c (make_node_stat, copy_node_stat, make_tree_binfo_stat) + (make_tree_vec_stat, tree_cons_stat, build1_stat): Likewise. + +2005-05-02 Daniel Jacobowitz + + * calls.c (expand_call): Handle current_function_pretend_args_size + when checking for sibcalls. + +2005-05-02 Kazu Hirata + + PR tree-optimization/21294 + * tree-vrp.c (vrp_expr_computes_nonzero): New. + (extract_range_from_expr): Call vrp_expr_computes_nonzero. + +2005-05-02 Janis Johnson + + PR 19985 + * gcov-io.h: Declare gcov external functions hidden. + +2005-05-02 Kazu Hirata + + * tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence, + record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis): + Use VEC instead of VARRAY. + (equiv_free): New. + + * tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor + out common code. + +2005-05-02 Paolo Bonzini + + * c-common.c (resolve_overloaded_builtin): Forward to target + hook for BUILT_IN_MD built-ins. + * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin + for all types of built-in. + * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New. Use it + in the definition of the target hooks struct. + * target.h (struct gcc_target): Add resolve_overloaded_builtin. + * config/rs6000/altivec.h: Rewritten. + * config/rs6000/rs6000-c.c (struct altivec_builtin_types, + altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin, + rs6000_builtin_type, rs6000_builtin_type_compatible, + altivec_overloaded_builtins, rs6000_builtin_type, + rs6000_builtin_type_compatible): New. + * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls): + New. + (def_builtin): Turn into a function. Check for duplicates and store + the builtin into rs6000_builtin_decls. + (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg, + bdesc_1arg): Add overloaded builtins. + (altivec_expand_builtin): Check for unresolved overloaded builtins, + do not support ALTIVEC_COMPILETIME_ERROR. + (rs6000_init_builtins): Add opaque 128-bit vector, and internal + nodes to represent front-end types. + (altivec_init_builtins, rs6000_common_init_builtins): Create builtins + with opaque arguments and/or return values. + * config/rs6000/rs6000.h (enum rs6000_builtins): Remove + ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins. + (rs6000_builtin_type_index): New. + (is_ev64_opaque_type): Rename to... + (rs6000_is_opaque_type): ... this. + (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin + target hook. + +2005-05-02 Kazu Hirata + + * function.c (reorder_blocks, reorder_blocks_1): Use VEC + instead of VARRAY. + +2005-05-02 Nathan Sidwell + Bernd Schmidt + + * config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p, + print_address_operand, print_operand, legitimize_pic_address, + asm_conditional_branch, bfin_gen_compare, output_push_multiple, + output_pop_multiple): Use gcc_assert or gcc_unreachable as + appropriate. + * config/bfin/bfin.md (movsf splitter, beq, bne): Likewise. + +2005-05-02 Dorit Naishlos + + * doc/passes.texi: Document vectorization pass. + +2005-05-02 Kazu Hirata + + * tree-scalar-evolution.c (get_exit_conditions_rec, + select_loops_exit_conditions, + number_of_iterations_for_all_loops, + analyze_scalar_evolution_for_all_loop_phi_nodes, + scev_analysis): Use VEC instead of VARRAY. + +2005-05-02 Michael Matz + + PR c++/19542 + * c-common.c (c_common_nodes_and_builtins): Create global null_node. + (warn_strict_null_sentinel): Define. + (check_function_sentinel): Check for null_node as valid sentinel too. + * c-common.h (c_tree_index): Added CTI_NULL. + (null_node) Define global_tree[CTI_NULL]. + (warn_strict_null_sentinel): Declare. + * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel. + * c.opt: (Wstrict-null-sentinel): New C++ option. + * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel. + +2005-05-01 Kazu Hirata + + * gimplify.c (gimplify_compound_lval): Use VEC instead of + VARRAY. + + * global.c (calculate_reg_pav): Use VEC instead of VARRAY. + + * dwarf2out.c (decl_scope_table, push_decl_scope, + pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC + instead of VARRAY. + +2005-05-01 Mark Mitchell + + PR C++/14391 + * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1 + if !flag_weak. + * doc/cpp.texi (__DEPRECATED): Document. + (__EXCEPTIONS): Likewise. + (__GXX_WEAK__): Likewise. + + * function.c (INVOKE__main): Do not define. + (expand_main_function): Check HAS_INIT_SECTION when determining + whether or not to call __main. + +2005-05-01 Kazu Hirata + + * tree-ssa-loop-ivopts.c: Fix a comment typo. + +2005-01-05 Paul Brook + + * config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define. + (INITIALIZE_TRAMPOLINE): Use it. + * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove. + * config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove. + * config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove. + +2005-05-01 Gerald Pfeifer + + * doc/install.texi (Specific): Omit dots in the @anchors names + for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7. + Omit underscores for x86_64-*-* and the "all ELF targets" entry. + +2005-05-01 Zdenek Dvorak + + PR tree-optimization/18316 + PR tree-optimization/19126 + * tree.c (build_int_cst_type): Avoid shift by size of type. + * tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step + argument. + * tree-scalar-evolution.h (simple_iv): Declaration changed. + * tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on + field. + (dump_cand): Dump depends_on information. + (determine_biv_step): Add argument to simple_iv call. + (contains_abnormal_ssa_name_p): Handle case expr == NULL. + (find_bivs, find_givs_in_stmt_scev): Do not require step to be a + constant. + (add_candidate_1): Record depends_on for candidates. + (tree_int_cst_sign_bit, constant_multiple_of): New functions. + (get_computation_at, get_computation_cost_at, may_eliminate_iv): + Handle ivs with nonconstant step. + (iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions. + (iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on. + (create_new_iv): Unshare the step before passing it to create_iv. + (free_loop_data): Free cand->depends_on. + (build_addr_strip_iref): New function. + (find_interesting_uses_address): Use build_addr_strip_iref. + (strip_offset_1): Split the recursive part from strip_offset. + Strip constant offset component_refs and array_refs. + (strip_offset): Split the recursive part to strip_offset_1. + (add_address_candidates): Removed. + (add_derived_ivs_candidates): Do not use add_address_candidates. + (add_iv_value_candidates): Add candidates with stripped constant + offset. Consider all candidates with initial value 0 important. + (struct affine_tree_combination): New. + (aff_combination_const, aff_combination_elt, aff_combination_scale, + aff_combination_add_elt, aff_combination_add, + tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree, + fold_affine_sum): New functions. + (get_computation_at): Use fold_affine_sum. + * tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step. + * tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument + to simple_iv call. + +2005-04-30 Michael Matz + + * config/i386/i386.md (movmemsi): Also active when + TARGET_INLINE_ALL_STRINGOPS. + +2005-04-30 Eric Botcazou + + PR bootstrap/20633 + * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch). + +2005-04-30 Paul Brook + + * config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in + thumb mode. + * config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__. + * config/arm/ieee754-sf.S: Ditto. + * config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__. + (FUNC_ALIAS): Use .thumb_set for thumb routines. + +2005-04-30 Kazu Hirata + + * tree-ssanames.c: Fix a comment typo. + * doc/options.texi: Fix a typo. + +2005-04-30 Nathan Sidwell + + * config/h8300/h8300.c (byte_reg): Use gcc_assert and + gcc_unreachable as appropriate. + (split_adds_subs, cond_string, print_operand, + h8300_initial_elimination_offset, h8300_classify_operand, + h8300_unary_length, h8300_short_immediate_length, + h8300_bitfield_length, h8300_binary_length, + h8300_insn_length_from_table, compute_mov_length, output_plussi, + compute_plussi_length, compute_plussi_cc, output_logical_op, + compute_logical_op_length, compute_logical_op_cc, + output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p, + output_a_shift, compute_a_shift_length, compute_a_shift_cc, + output_a_rotate, compute_a_rotate_length, fix_bit_operand, + h8300_regs_ok_for_stm): Likewise. + * config/h8300/h8300.md (*movsi_h8300, *movsf_h8300, + monitor_prologue): Likewise. + +2005-04-30 Kazu Hirata + + * loop-invariant.c (invariants, create_new_invariant, + get_inv_cost, best_gain_for_invariant, + find_invariants_to_move, move_invariants, + init_inv_motion_data, free_inv_motion_data): Use VEC instead + of VARRAY. + +2005-04-29 Richard Henderson + + * function.c (instantiate_decls): Remove valid_only argument. + (instantiate_decls_1, instantiate_decl): Likewise. + (instantiate_virtual_regs_1): Delete. + (instantiate_virtual_regs_lossage): Delete. + (instantiate_virtual_regs_in_rtx): New. + (safe_insn_predicate): New. + (instantiate_virtual_regs_in_insn): New. + (instantiate_virtual_regs): Update to match all that. Only run + instantiate_decls once. + +2005-04-29 Richard Henderson + Daniel Jacobowitz + + * gengtype.c (write_func_for_structure): Split out ... + (output_type_enum): ... new function. Fix thinko accessing + TYPE_PARAM_STRUCT data. + +2005-04-29 Tom Tromey + + * tree.c (build_block): Removed unused 'tags' argument. + * tree.h (build_block): Removed argument. + +2005-04-29 Michael Matz + + PR rtl-optimization/21144 + * postreload.c (reload_cse_move2add): Check for VOIDmode. + +2005-04-29 Bob Wilson + + * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable + flag_reorder_blocks. + +2005-04-28 Kazu Hirata + + PR tree-optimization/21030 + * tree-vrp.c (adjust_range_with_scev): Do not create invalid + ranges where VR->MAX is smaller than VR->MIN. + +2005-04-29 Devang Patel + + PR tree-optimization/21272 + PR tree-optimization/21266 + * tree-if-conv.c (find_phi_replacement_condition): Fix think-o. + +2005-04-29 Kazu Hirata + + * tree-flow-inline.h: Fix a comment typo. + * doc/tree-ssa.texi: Fix a typo. + + * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos. + +2005-04-29 Nathan Sidwell + + * config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and + gcc_unreachable as appropriate. + (fr30_expand_epilogue, fr30_setup_incoming_varargs, + fr30_print_operand, fr30_move_double): Likewise. + * config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise. + +2005-04-29 Mark Mitchell + + * config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a + definition has already been provided. + (ARM_EABI_DTORS_SECTION_OP): Likewise. + * config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define. + (ARM_EABI_DTORS_SECTION_OP): Likewise. + +2005-04-29 Jim Tison + + * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter + trace hooks calls to improve performance. + +2005-04-29 Julian Brown + Mark Mitchell + Paul Brook + + * crtstuff.c: Handle targets that use .init_array. + * function.c (HAS_INIT_SECTION): Do not define. Instead, make sure + that INVOKE__main is set correctly. + (expand_main_function): Test INVOKE__main. + * libgcc2.c: Do not define __main when using .init_array. + * config/arm/arm.c (arm_elf_asm_constructor): New function. + * config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized + libgcc version. + (DTORS_SECTION_ASM_OP): Likewise. + (CTOR_LIST_BEGIN): Define specially when in libgcc. + (CTOR_LIST_END): Likewise. + (DTOR_LIST_BEGIN): Likewise. + (DTOR_LIST_END): Likewise. + * config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it. + (FINI_SECTION_ASM_OP): Likewise. + (INIT_ARRAY_SECTION_ASM_OP): Define. + (FINI_ARRAY_SECTION_ASM_OP): Likewise. + * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define. + (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets. + * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document. + (FINI_ARRAY_SECTION_ASM_OP): Likewise. + +2005-04-29 Nathan Sidwell + + * config/m68k/m68k.c (m68k_initial_elimination_offset): Use + gcc_assert and gcc_unreachable as appropriate. + (output_dbcc_and_branch, output_scc_di, legitimize_pic_address, + const_int_cost, output_move_const_into_data_reg, + output_move_qimode, output_move_double, find_addr_reg, + print_operand, print_operand_address): Likewise. + * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2, + absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt, + sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, + bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev, + *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2, + conditional_trap): Likewise. + * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code. + +2005-04-29 Nathan Sidwell + + * config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and + gcc_unreachable as appropriate. + (gen_conditional_move, xtensa_split_operand_pair, + xtensa_split_operand_pair, xtensa_copy_incoming_a7, + xtensa_copy_incoming_a7, xtensa_copy_incoming_a7, + xtensa_copy_incoming_a7, xtensa_output_literal, + xtensa_output_literal, xtensa_output_literal): Likewise. + * config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise. + * config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse, + *bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0, + movsicc_internal1, movsfcc_internal0, + movsfcc_internal1): Likewise. + +2005-04-28 James E Wilson + + * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment. + (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries. + +2005-04-28 DJ Delorie + + * opt-functions.awk (var_set): Emit proper initializer for + non-target bitfields. + +2005-04-28 Devang Patel + + * dbxout.c (have_used_extensions): Remove. + (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of + have_used_extensions. + +2005-04-28 James E Wilson + + * doc/install.texi: Update -enable-languages info. Correct path to + html docs. + +2005-04-28 DJ Delorie + + * optc-gen.awk (END): Make sure no variable is defined more + than once. + * opth-gen.awk (END): Allocate bits on a per-variable basis. + Allow for bitfield variables other than target_flags. + * doc/options.text (Mask): Document that you may specify a + variable other than target_flags. + +2005-04-28 Martin Koegler + + PR rtl-optimization/18877 + * reload.c (decompose) : Handle pseudo reg + number in val.start. + +2005-04-28 David Edelsohn + + PR target/20813 + * config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add + MASK_PPC_GFXOPT. + * config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same. + * config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same. + * config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same. + +2005-04-28 Richard Earnshaw + + * arm.c (legitimize_pic_address): Fix sense of assertion test for + creating pseudos when the base offset is too large. + +2005-04-28 Kazu Hirata + + * global.c (earlyclobber_regclass): Change the type to + VEC(int,heap). + (check_earlyclobber): Update uses of earlyclobber_regclass. + (mark_reg_use_for_earlyclobber): Likewise. + (calculate_local_reg_bb_info): Allocate and free + earlyclobber_regclass using the VEC API. + +2005-04-28 Nathan Sidwell + + * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus + assert. + +2005-04-28 Kazu Hirata + + * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of + (*targetm.foo). + + * config.gcc: Obsolete c4x-* and tic4x-*. + + * tree.h (edge_def): Remove. + + * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c, + function.c, global.c, lcm.c, loop-invariant.c, optabs.c, + reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use + JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P + where appropriate. + + * attribs.c, c-pragma.c, caller-save.c, cfghooks.h, + coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c, + errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c, + genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def, + integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c, + machmode.def, mips-tfile.c, params.c, pretty-print.c, + print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h, + tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c, + config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md, + config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h, + config/i386/cygming.h, config/i386/djgpp.h, + config/i386/lynx.h, config/i386/netware.c, + config/i386/winnt.c, config/ia64/ia64-c.c, + config/iq2000/iq2000.c, config/m32r/little.h, + config/m68k/m68k-protos.h, config/m68k/m68k.h, + config/m68k/m68k.md, config/mcore/mcore.c, + config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md, + config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c, + config/mn10300/mn10300.h, config/ns32k/netbsd.h, + config/ns32k/ns32k.c, config/ns32k/ns32k.h, + config/pa/pa-hpux11.h, config/pdp11/pdp11.c, + config/pdp11/pdp11.h, config/rs6000/darwin.h, + config/rs6000/default64.h, config/rs6000/rs6000-c.c, + config/s390/2064.md, config/s390/2084.md, + config/s390/s390-modes.def, config/s390/s390-protos.h, + config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c, + config/stormy16/stormy16.c, config/vax/vax-protos.h, + config/vax/vax.c, config/vax/vax.h, + config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update + copyright. + +2005-04-28 Joseph S. Myers + + * c-typeck.c (build_compound_expr): Correct logic in last change. + +2005-04-27 James E. Wilson + + * config/ia64/ia64.c (update_set_flags): Delete ppred and pcond + parameters. Replace conditional move code with assert checking for + ar.lc. Delete obsolete comments. + (set_src_needs_barrier): Delete cond parameter, and code using it. + (rtx_needs_barrier): Delete initialization of cond. Fix typo in + assert checking for PR_REGS. Fix calls to update_set_flags and + set_src_needs_barrier. + (group_barrier_needed): Renamed from group_barrier_needed_p. Fix all + callers. Rewrite explanatory comment before the function. + (safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p. + Fix all callers. + +2005-04-27 Mike Stump + + * doc/cpp.texi: gcc now implements universal character names. + +2005-04-27 Joseph S. Myers + + PR c/21159 + * c-typeck.c (build_compound_expr): Don't warn for left-hand side + being a compound expression whose right-hand side is cast to void. + +2005-04-27 Caroline Tice + + * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges): + Remove targetm.have_named_sections test. + (fix_edges_for_rarely_executed_code): Likewise. + (insert_section_boundary_note): Likewise. + (reorder_basic_blocks): Check partitioning flag before calling + verify_hot_cold_block_grouping. + * dbxout.c (dbxout_function_end): Get hot/cold section labels from + the function struct rather than global variables. + * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro. + (COLD_END_LABEL): Likewise + (cold_text_section_label): New static global variable. + (cold_end_label): Likewise. + (dwarf2out_switch_text_section): Get hot/cold section labels from + the function struct rather than global variables; test to make sure + cfun is defined. + (output_aranges): Use cold_text_section_label and cold_end_label; + check partitioning flag before putting out delta. + (output_ranges): Remove incorrect code attempting to use + hot/cold labels. + (output_line_info): Get cold section label from function struct; test + to make sure cfun is defined. + (add_location_or_const_value_attribute): Likewise. + (dwarf2out_var_location): Likewise. + (dwarf2out_init): Generate cold_text_section_label and cold_end_label; + write out cold_text_section_label if partition flag is set. + (dwarf2out_finish): Write out cold_end_label if partition flag is set; + * function.h (struct function): Add new fields to point to hot/cold + section labels: hot_section_label, cold_section_label, + hot_section_end_label and cold_section_end_label; also add new field + for cold text section name, unlikely_text_section_name. + * opts.c (decode_options): Turn off partitioning flag if + !targetm.have_named_sections. + * output.h (hot_section_label): Remove. + (hot_section_end_label): Remove. + (cold_section_end_label): Remove. + (unlikely_section_label): Remove. + (unlikely_text_section_name): Remove. + * passes.c (rest_of_handle_final): Remove extra blank line. + * varasm.c (unlikely_section_label): Remove. + (hot_section_label): Remove. + (hot_section_end_label): Remove. + (cold_section_end_label): Remove. + (unlikely_text_section_name): Remove. + (initialize_cold_section_name): Modify to call + targetm.strip_name_encoding; to store cold section name in current + function struct, if it exists; and to only use the decl_section_name + if flag_named_sections is true. + (unlikely_text_section): Modify to get section name out of current + function struct, if there is one; otherwise build it from + UNLIKELY_EXECUTED_TEXT_SECTION_NAME. + (in_unlikely_text_section): Likewise. + (named_section): Modify to get/put cold section name in current function + struct, if there is one. + (function_section): Change 'bool unlikely' to 'int reloc'; check + targetm.have_named_sections before calling named_section. + (current_function_section): Likewise. + (assemble_start_function): Modify to get/put unlikely_text_section_name + in current function struct; modify to get hot/cold section labels + from function struct; initialize labels using + ASM_GENERATE_INTERNAL_LABEL; + test partitioning flag before writing out hot section label. + (assemble_end_function): Test partitioning flag before writing out + hot/cold section labels. + (default_section_type_flags_1): Get cold text section name from + function struct if there is one; Set flags correctly for + cold text section if there is not a current function struct. + +2005-04-27 Richard Guenther + + * tree-ssa-propagate.c (set_rhs): Revert last change. + +2005-04-27 Steve Ellcey + + * explow.c (convert_memory_address): Add gcc_assert. + +2005-04-27 Mark Mitchell + + * configure.ac: Check for ld --sysroot support. + * gcc.c: Document %R specifier for specs. + (SYSROOT_SPEC): New macro. + (sysroot_spec): New variable. + (static_specs): Add sysroot_spec. + (main): Pass the sysroot spec to the linker if appropriate. + * configure: Regenerated. + * config.in: Likewise. + +2005-04-27 Richard Guenther + + * fold-const.c (fold_binary): Use build_fold_addr_expr + for address calculation and INDIRECT_REF handling. + +2005-04-27 Andrew Haley + + * postreload-gcse.c (hash_scan_set): Remove bogus assertion. + +2005-04-27 Nathan Sidwell + + * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame + pointer when thumb backtracing is on. + + * config/fp-bit.c (abort): Revert change. + +2005-04-27 Ian Lance Taylor + + * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P. + +2005-04-27 Kazu Hirata + + * tree-ssa-dce.c: Fix a comment typo. + +2005-04-27 David S. Miller + + * explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA): + Kill setjmpless_size. current_function_calls_setjmp is completely + computed when we are called, so just use the optimized size value + instead of using REG_SAVE_AREA notes. + (optimize_save_area_alloca): Delete.... + * rtl.h (optimize_save_area_alloca): Likewise... + * passes.c (rest_of_compilation): and don't call it any more. + * reg-notes.def (SAVE_AREA): Delete. + +2005-04-27 Nathan Sidwell + + * config/fp-bit.c (abort): Add noreturn attribute. + + * config/avr/avr.c (avr_naked_function_p): Use gcc_assert and + gcc_unreachable as appropriate. + (ptrreg_to_str, cond_string, avr_normalize_condition): Likewise. + * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, + ASM_OUTPUT_REG_POP): Likewise. + +2005-04-27 Paolo Bonzini + + * tree-complex.c (expand_vector_operations_1): Do not build + VIEW_CONVERT_EXPR's for the lhs. + +2005-04-27 Nathan Sidwell + + * config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove + unnecessary noncanonical RTL handling. + * config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use + gcc_assert and gcc_unreachable. + + * config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and + gcc_unreachable as appropriate. + (THUMB_PRINT_OPERAND_ADDRESS): Likewise. + * config/arm/arm.c (arm_override_options, arm_compute_func_type, + use_return_insn, const_ok_for_op, arm_gen_constant, + arm_canonicalize_comparison, legitimize_pic_address, + thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1, + arm_cirrus_insn_p, cirrus_reorg, minmax_code, + load_multiple_sequence, emit_ldm_seq, store_multiple_sequence, + emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode, + arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi, + move_minipool_fix_forward_ref, move_minipool_fix_backward_ref, + dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg, + fp_immediate_constant, fp_const_from_val, vfp_output_fstmx, + output_call, output_mov_long_double_fpa_from_arm, + output_mov_long_double_arm_from_fpa, + output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa, + output_move_double, arithmetic_instr, shift_op, int_log2, + output_return_instruction, arm_output_function_prologue, + arm_output_epilogue, arm_output_function_epilogue, + emit_multi_reg_push, arm_get_frame_offsets, + arm_compute_initial_elimination_offset, arm_expand_prologue, + arm_print_operand, arm_assemble_integer, get_arm_condition_code, + arm_final_prescan_insn, arm_init_iwmmxt_builtins, + arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p, + thumb_compute_initial_elimination_offset, + thumb_output_function_prologue, thumb_load_double_from_address, + thumb_output_move_mem_multiple, thumb_reload_out_hi, + arm_emit_vector_const, arm_dbx_register_number): Likewise. + * config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise. + * config/arm/arm.md (thumb_extendhisi2, + *thumb_extendhisi2_insn_v6, *thumb_extendqisi2, + *thumb_extendqisi2_v6, movhi, *thumb_movhi_insn, + thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt, + *arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise. + * config/arm/cirrus.md (*cirrus_arm_movdi, + *cirrus_movdf_hard_insn): Likewise. + * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise. + +2005-04-27 Kazu Hirata + + * tree-flow.h (ssa_names): Change the type to VEC(tree,gc). + (num_ssa_names): Use VEC_length. + (ssa_names): Use VEC_index. + * tree-ssanames.c (ssa_names): Change the type to + VEC(tree,gc). + (init_ssanames, fini_ssa_names, make_ssanames, + release_ssa_name): Update uses of ssa_names. + + * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c: + Use fold_buildN instead of fold (buildN (...)). + +2005-04-27 Devang Patel + + * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions. + +2005-04-27 Matt Thomas + Jan-Benedict Glaw + + * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup. + (vax_output_mi_thunk): Ditto. + (vax_notice_cc_update): Ditto. + (INDEX_REGISTER_P): Add trailing \. + (BASE_REGISTER_P): Add trailing \. + (legitimate_address_p): Whitespace cleanup. Remove trailing \. + +2005-04-27 Richard Guenther + + * tree-ssa-propagate.c (set_rhs): Check operand of + ADDR_EXPR for gimpliness, too. + +2005-04-27 Kazu Hirata + + * tree-ssa-pre.c: Fix a comment typo. + +2005-04-27 Zdenek Dvorak + + PR tree-optimization/21171 + * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not + record address uses if the reference is volatile. + +2004-04-27 Paolo Bonzini + + * tree-complex.c (expand_vector_operation): New, extracted from + expand_vector_operations_1. + (tree_vec_extract): Build a NOP_EXPR. + (expand_vec_parallel): Do not care about returning the correct type. + (expand_vector_operations_1): Call expand_vector_operation. + Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs. + + * tree-complex.c (gate_expand_vector_operations): New. + (pass_lower_vector_ssa): Use it. + * tree-optimize.c (init_tree_optimization_passes): Include + pass_lower_vector_ssa. + * tree-vect-transform.c (vect_min_worthwhile_factor): New. + (vectorizable_operation): Use it. + * tree-vectorizer.c (get_vectype_for_scalar_type): Accept + integer modes for the vector type. + + * defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD. + * tree-vect-analyze.c (vect_enhance_data_refs_alignment): + Do not cope with UNITS_PER_SIMD_WORD == 0. + * tree-vectorizer.c (get_vectype_for_scalar_type): Check + if the scalar type is not bigger than UNITS_PER_SIMD_WORD. + (vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0. + * config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD. + * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise. + * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise. + * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise. + + * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove. + * config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove. + * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove. + + * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately. + (UNITS_PER_SIMD_WORD): New. + +2005-04-27 Nathan Sidwell + + * config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and + gcc_unreachable as appropriate. + (ia64_expand_load_address, ia64_expand_tls_address, + ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare, + ia64_expand_vecint_compare, ia64_expand_vecint_minmax, + next_scratch_gr_reg, ia64_initial_elimination_offset, + ia64_expand_prologue, ia64_expand_epilogue, + ia64_output_dwarf_dtprel, ia64_print_operand, + ia64_register_move_cost, first_instruction, rws_access_regno, + update_set_flags, rtx_needs_barrier, group_barrier_needed_p, + ia64_sched_init, ia64_variable_issue, + ia64_first_cycle_multipass_dfs_lookahead_guard, + ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling, + ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set, + process_for_unwind_directive, ia64_hpux_file_end): Likewise. + * config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise. + * config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise. + * config/ia64/predicates.md (got_symbolic_operand, + sdata_symbolic_operand): Likewise. + * config/ia64/vect.md (vcondv2sf): Likewise. + +2005-04-27 Matt Thomas + + * config/vax/vax.c (legitimate_constant_address_p): New. Formerly + CONSTANT_ADDRESS_P in config/vax/vax.h + (legitimate_constant_p): Added. Formerly CONSTANT_P in vax.h. + (INDEX_REGISTER_P): New. + (BASE_REGISTER_P): New. + (indirectable_constant_address_p): New. Adapted from + INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P. + (indirectable_address_p): New. Adapted from + INDIRECTABLE_ADDRESS_P in vax.h. + (nonindexed_address_p): New. Adapted from + GO_IF_NONINDEXED_ADDRESS in vax.h. + (index_temp_p): New. Adapted from INDEX_TERM_P in vax.h. + (reg_plus_index_p): New. Adapted from GO_IF_REG_PLUS_INDEX in vax.h. + (legitimate_address_p): New. Adapted from + GO_IF_LEGITIMATE_ADDRESS in vax.h. + (vax_mode_dependent_address_p): New. Adapted from + GO_IF_MODE_DEPENDENT_ADDRESS in vax.h. + * config/vax/vax.h (CONSTANT_ADDRESS_P): Use + legitimate_constant_address_p. + (CONSTANT_P): Use legitimate_constant_p. + (INDIRECTABLE_CONSTANT_ADDRESS_P): Removed. + (INDIRECTABLE_ADDRESS_P): Removed. + (GO_IF_NONINDEXED_ADDRESS): Removed. + (INDEX_TEMP_P): Removed. + (GO_IF_REG_PLUS_INDEX): Removed. + (GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two + definitions, depending on whether REG_OK_STRICT is defined. + (GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p. + Two definitions, depending on whether REG_OK_STRICT is defined. + * config/vax/vax-protos.h (legitimate_constant_address_p): Prototype + added. + (legitimate_constant_p): Prototype added. + (legitimate_address_p): Prototype added. + (vax_mode_dependent_address_p): Prototype added. + +2005-04-27 Kazu Hirata + + * tree.h (phi_arg_d): Expand a comment in phi_arg_d. + +2005-04-27 Joseph S. Myers + + PR c/21213 + * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of + transparent union. + +2005-04-27 Joseph S. Myers + + PR c/20740 + * c-format.c (init_dynamic_asm_fprintf_info): Give errors, not + assertion failures, if __gcc_host_wide_int__ is not properly + defined. + (init_dynamic_diag_info): Give errors, not assertion failures, if + location_t, tree or __gcc_host_wide_int__ are not properly + defined. + +2005-04-26 Kazu Hirata + + * tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset, + n_iv_uses, iv_use, n_iv_cands, iv_cand, + tree_ssa_iv_optimize_init, record_use, add_candidate_1, + prepare_decl_rtl, free_loop_data, + tree_ssa_iv_optimize_finalize): Use the VEC API instead of + VARRAY. + + * tree.h (tree_phi_node): Add a comment about the order of PHI + arguments. + +2005-04-26 Paul Brook + + * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form. + +2005-04-26 Nathan Sidwell + + * config/mips.mips.c (mips_legitimize_tls_address): Use + gcc_unreachable. + + * config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert. + * config/mmix/crti.asm (_init): Reword comment to avoid 'abort'. + * config/mmix/mmix.md (nonlocal_goto_receiver): Likewise. + + * config/sparc/sparc.h (enum reg_class): Reword comment to avoid + 'abort'. + +2005-04-26 Jeff Law + + * tree-flow-inline.h (op_iter_next_must_and_may_def): New. + (op_iter_init_must_and_may_def): Likewise. + (unmodifiable_var_p): Move to a later point in the file. + * tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New. + * tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed. + (dse_record_phis): Directly check for virtual operands rather than + using need_imm_uses_for. + (dse_optimize_stmt): Handle V_MUST_DEF operands. Handle case where + store has multiple V_{MAY,MUST}_DEF operands. + +2005-04-26 Andrew MacLeod + + * tree-cfg.c (bsi_replace): Delink immediate uses for the original + stmt. + +2005-04-26 Kazu Hirata + + * tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a + call to find_edge outside a loop to go through a PHI chain. + +2004-04-26 Richard Guenther + + PR tree-optimization/17598 + * fold-const.c (fold_binary): Fold comparisons of addresses + of COMPONENT_REFs which reference the same field to + comparisons of the addresses of the base objects. + +2005-04-26 Julian Brown + + * config/arm/arm.c (arm_return_in_msb): New function. + (arm_must_pass_in_stack): New function. + (TARGET_RETURN_IN_MSB): Define target hook. + (TARGET_MUST_PASS_IN_STACK): Define target hook. + (arm_function_value): Pad small aggregate return. + (arm_pad_arg_upward): New function. + (arm_pad_reg_upward): New function. + * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values. + (FUNCTION_ARG_PADDING): Define macro. + (BLOCK_REG_PADDING): Define macro. + (PAD_VARARGS_DOWN): Correct padding for AAPCS. + * config/arm/arm-protos.h (arm_pad_arg_upward): Declare function. + (arm_pad_reg_upward): Declare function. + +2005-04-26 Kazu Hirata + + * basic-block.h (ei_cond): New. + (FOR_EACH_EDGE): Call ei_cond. + + PR tree-optimization/21047 + * fold-const.c (fold_binary): Abort on ASSERT_EXPR. + (fold): Don't handle ASSERT_EXPR. + +2005-04-25 Roger Sayle + + * sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat + all writes to any stack register as a read/write dependency on + FIRST_STACK_REG. + (sched_analyze_2): Likewise, for reads from any stack register. + +2005-04-25 Richard Henderson + + * final.c (output_addr_const): Revert 2005-04-09 change. + +2005-04-25 Mike Stump + + * config/darwin.c (darwin_encode_section_info): Always set + MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols. + +2005-04-25 Kaveh R. Ghazi + + * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c, + gensupport.c, protoize.c, toplev.c: Replace calls to + `unlock_stream' with `unlock_std_streams'. + +2005-04-25 Devang Patel + + * dbxout.c (dbxout_type): Emit attribute vector. + +2005-04-05 Paul Brook + + * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define. + * target.h (struct gcc_target): Add cxx.use_aeabi_atexit. + * config/arm/arm.c (arm_cxx_atexit_name): New function. + (TARGET_CXX_USE_AEABI_ATEXIT): New macro. + * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit. + (register_dtor_fn): Likewise. + * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT. + +2005-04-25 Ian Lance Taylor + + * c-common.def (EXPR_STMT): Remove, moved to C++ frontend. + * c-common.h (EXPR_STMT_EXPR): Don't define. + (c_common_stmt_codes): Don't define. + * c-dump.c (c_dump_tree): Remove EXPR_STMT case. + * c-gimplify.c (gimplify_expr_stmt): Remove. + (c_gimplify_expr): Remove EXPR_STMT case. + * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call + to INIT_STATEMENT_CODES. + * c-pretty-print.c (pp_c_statement): Just call dump_generic_node. + +2005-04-25 Jan Hubicka + + * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too. + + * except.c: Include diagnostic.h + (dump_eh_tree, verify_eh_tree): New functions. + * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare. + * tree-cfg.c (tree_verify_flow_info): verify eh edges. + (dump_function_to_file): dump eh tree. + * tree-eh.c (mark_eh_edge): New function. + (mark_eh_edge_found_error): New static variable. + (verify_eh_edges): New function. + +2005-04-25 Nathan Sidwell + + * tree-ssa-alias.c (fieldoff_t): Remove. + (fieldoff_s): typedef the structure itself. Create a vector of + objects. + (push_fields_onto_fieldstack): Return count of fields pushed. + Remove peeling of first field. Adjust. + (fieldoff_compare): Adjust. + (create_overlap_variables_for): Adjust. + +2005-04-25 Joseph S. Myers + + * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line. + +2005-04-25 Joseph S. Myers + + PR bootstrap/21215 + * doc/install.texi: Document correct assembler and linker to use + on i?86-*-solaris2.10. + +2005-04-25 Steven Bosscher + + Fix PR tree-optimization/21173 + + * tree-ssa-pre.c (create_expression_by_pieces): Simplify code. + Unshare expression we pass to force_gimple_operand. + +2005-04-25 J"orn Rennecke + Stephen Clarke + Roger Sayle + + PR rtl-optimization/20413 + * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of + VOIDmode for LABEL_REF. + * final.c (shorten_branches): Likewise. + * jump.c (mark_all_labels, redirect_exp_1): Likewise. + * loop.c (reg_dead_after_loop): Likewise. + * varasm.c (decode_addr_const): Likewise. + * doc/rtl.texi: Document mode requirement for LABEL_REF. + +2005-04-25 Ralf Corsepius + + * config.gcc (avr-*-*): Remove redundant "case". + +2005-04-25 Kazu Hirata + + * tree-vect-analyze.c (vect_mark_relevant): Take + VEC(tree,heap) instead of varray_type as an argument. + (vect_mark_stmts_to_be_vectorized): Change the type of + worklist to VEC(tree,heap). Adjust uses of worklist. + +2005-04-24 Devang Patel + + * config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New. + +2005-04-24 Ian Lance Taylor + + * c-semantics.c (build_stmt): Remove test of specific tree codes + for TREE_SIDE_EFFECTS handling. + +2005-04-24 Per Bothner + + * c-opts.c (finish_options): Make the line-number of the + location 0, as assumed elsewhere, rather than 1. + +2005-04-24 Kazu Hirata + + * tree-ssa-uncprop.c (equiv_stack): Change the type o + VEC(tree,heap). + (tree_ssa_uncprop, uncprop_finalize_block, + uncprop_initialize_block): Update uses of equiv_stack. + +2005-04-24 Richard Henderson + + PR rtl-opt/21163 + * simplify-rtx.c (simplify_binary_operation) : Check + for SCALAR_INT_MODE_P instead of not MODE_CC before returning + constm1_rtx. + : Use CONST0_RTX. + : Use CONST0_RTX and CONST1_RTX. + : Likewise. + +2005-04-24 Kaveh R. Ghazi + + * collect2.c (main): Unlock the stdio streams. + * gcc.c (main): Likewise. + * gcov-dump.c (main): Likewise. + * gcov.c (main): Likewise. + * gen-protos.c (main): Likewise. + * gensupport.c (init_md_reader_args_cb): Likewise. + * protoize.c (main): Likewise. + * toplev.c (general_init): Likewise. + +2005-04-24 Jakub Jelinek + + PR middle-end/20991 + * cgraph.h (cgraph_local_info): Add vtable_method field. + * varasm.c (mark_decl_referenced): If cgraph_global_info_ready + and node is vtable_method, finalized and not reachable, don't do + anything. + +2005-04-24 Kazu Hirata + + * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use + COMPARISON_CLASS_P. + * tree-ssa-pre.c (create_value_expr_from): Use + CONSTANT_CLASS_P and REFERENCE_CLASS_P. + * tree-ssa-propagate.c (stmt_makes_single_load, + stmt_makes_single_store): Use REFERENCE_CLASS_P. + * tree-vect-transform.c (vect_is_simple_cond): Use + COMPARISON_CLASS_P. + * tree-vrp.c (extract_range_from_assert, + build_assert_expr_for, fp_predicate, has_assert_expr): Use + COMPARISON_CLASS_P. + + * tree-ssa-live.c (build_tree_conflict_graph): Change the type + of tpa_to_clear to VEC(int,heap). Update uses of + tpa_to_clear. Free tpa_to_clear at the end. + +2005-04-24 Andrew Pinski + + * tree.h (TREE_THIS_VOLATILE): Document the effect on a + function decl. + +2005-04-24 Nathan Sidwell + + * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert + and gcc_unreachable as appropriate. + (num_insns_constant, output_vec_const_move, + build_mask64_2_operands, rs6000_output_dwarf_dtprel, + rs6000_emit_set_const, rs6000_emit_move, + spe_build_register_parallel, function_arg, + rs6000_move_block_from_reg, altivec_expand_predicate_builtin, + spe_expand_predicate_builtin, spe_expand_evsel_builtin, + rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins, + rs6000_common_init_builtins, expand_block_clear, + expand_block_move, validate_condition_mode, ccr_bit, extract_MB, + extract_ME, rs6000_get_some_local_dynamic_name, + rs6000_output_function_entry, print_operand, + print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND, + output_cbranch, output_e500_flip_gt_bit, + rs6000_emit_vector_compare, rs6000_emit_vector_compare, + rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move, + compute_save_world_info, rs6000_stack_info, + rs6000_emit_load_toc_table, rs6000_frame_related, + spe_synthesize_frame_save, rs6000_emit_epilogue, + rs6000_output_function_epilogue, rs6000_hash_constant, output_toc, + output_function_profiler, rs6000_trampoline_size, + rs6000_initialize_trampoline, find_addr_reg, + rs6000_machopic_legitimize_pic_address, + rs6000_initial_elimination_offset, + rs6000_dbx_register_number): Likewise. + * config/rs6000/rs6000.md (*fix_truncdfsi2_internal, + *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal, + *movti_power, *movti_string, call, call_value, sibcall, + sibcall_value): Likewise. + * config/rs6000/spe.md (*movdf_e500_double, + *movv2si_internal): Likewise. + * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort' + from comment. + +2005-04-24 Richard Henderson + + PR target/21101 + * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ... + * config/i386/i386.c (ix86_cannot_change_mode_class): ... here. + Deny modes smaller than 4 bytes. + * config/i386/i386-protos.h: Update. + +2005-04-24 Ralf Corsepius + + * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*. + Switch h8300-*-rtems* to ELF. + +2005-04-24 Kazu Hirata + + * vec.h (VEC_safe_grow): Replace grow with safe_grow. + +2005-04-23 Kazu Hirata + + * ipa-inline.c, tree-ssa-operands.h: Fix comment typos. + +2005-04-23 Richard Guenther + + PR middle-end/21082 + * fold-const.c: Fold &a[i]-&a[j] to i-j. + +2005-04-23 Zdenek Dvorak + + * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple + definitions of ssa names in condition. Split recusive part to ... + (tree_simplify_using_condition_1): New function. + (expand_simple_operations): New function. + +2005-04-23 Zdenek Dvorak + + * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field. + (find_interesting_uses_cond): Do not use integer_zerop and + integer_nonzerop to check for integer constants. + (set_use_iv_cost): Record the value field. + (determine_use_iv_cost_generic, determine_use_iv_cost_address, + determine_use_iv_cost_outer): Set the value field of the cost pair. + (may_eliminate_iv): Do not return the comparison code. + (iv_elimination_compare): New function. + (determine_use_iv_cost_condition): Set the value field. Record + noneliminable invariants correctly. + (rewrite_use_compare, rewrite_use_outer): Use the value field. + +2005-04-23 DJ Delorie + + * diagnostic.c (warning): Accept parameter to classify warning option. + (warning0): New, for when a pointer to an error() like function is needed. + * errors.c (warning): Likewise. + * errors.h (warning, warning0): Adjust prototypes. + * toplev.h (warning, warning0): Likewise. + + * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c, + c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c, + c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c, + fold-const.c, fortran/trans-decl.c, function.c, gcse.c, + genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c, + reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c, + tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c, + tree-ssa.c, tree.c, varasm.c: Adjust warning() callers. + + * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c, + config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c, + config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c, + config/darwin.c, config/darwin.h, config/h8300/h8300.c, + config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c, + config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c, + config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c, + config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c, + config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h, + config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h, + config/rs6000/aix52.h, config/rs6000/darwin.h, + config/rs6000/rs6000-c.c, config/rs6000/rs6000.c, + config/s390/s390.c, config/sh/sh.c, config/sh/sh.h, + config/sh/symbian.c, config/sol2-c.c, config/sol2.c, + config/stormy16/stormy16.c, config/v850/v850-c.c, + config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning() + callers. + +2005-04-23 Richard Henderson + + PR rtl-opt/21102 + * simplify-rtx.c (simplify_binary_operation): Fix mode check before + performing some integral scalar simplifications. + +2005-04-23 Richard Henderson + + PR target/21099 + * config/i386/i386.c (ix86_split_to_parts): Use proper mode when + simplifying CONST_VECTOR. + +2005-04-23 Kazu Hirata + + * tree-ssa-live.c (live_worklist): Take a stack allocated on + heap as an argument. Update uses of stack. + (calculate_live_on_entry): Allocate stack on heap. + + * tree-ssa-live.c (build_tree_conflict_graph): Allocate + partition_link and tpa_nodes on heap. + + * tree-ssa-dce.c (worklist): Change to VEC(tree,heap). + (mark_stmt_necessary, propagate_necessity, + mark_really_necessary_kill_operand_phis): Update uses of + worklist. + (tree_dce_init): Allocate worklist using VEC_alloc. + (tree_dce_done): Free worklist using VEC_free. + +2005-04-23 Mike Stump + + * config/darwin.c (machopic_indirection_name): Don't use + quotes needlessly. + (darwin_emit_unwind_label): Use user_label_prefix instead of + "_". + +2005-04-23 Kazu Hirata + + * final.c, ipa-inline.c, varasm.c: Fix comment typos. + +2005-04-23 Hans-Peter Nilsson + + * config.gcc : Specify .opt files. + * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt, + config/cris/linux.opt: New files. + * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES) + (CRIS_SUBTARGET_LONG_OPTIONS): Don't define. + (TARGET_ELF): Override to 0. + (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and + -melinux-stacksize=N. + * config/cris/cris.c: (cris_handle_option): New function. + (TARGET_DEFAULT_TARGET_FLAGS): Override. + (TARGET_HANDLE_OPTION): Override to cris_handle_option. + (cris_override_options): Use MASK_*, not TARGET_MASK_*. + * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO, + (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG) + (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES) + (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL) + (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN) + (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN) + (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN) + (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE) + (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD) + (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF) + (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX) + (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT) + (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES) + (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS) + (CRIS_SUBTARGET_LONG_OPTIONS): Don't define. + (TARGET_LINUX): Define 0. + (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*. + (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF. + (CRIS_SUBTARGET_DEFAULT): New empty default macro. + * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define. + (TARGET_LINUX): Override to 1. + (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*. + +2005-04-23 Nathan Sidwell + + * haifa-sched.c (schedule_block): Fix thinko in previous + assertification patch. + +2005-04-23 Richard Sandiford + + * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to + $extra_options. Also add pa/pa-hpux1010.opt for hpux10.[1-9]*. + (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file. Add + pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to + $extra_options. Also add pa/pa-hpux1111.opt for hpux11.[1-9]*. + (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file. Add + pa/pa-hpux.opt to $extra_options. Also add pa/pa-hpux1111.opt + for hpux11.[1-9]*. + * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch) + (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags) + (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS) + (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY) + (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING) + (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS) + (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE) + (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS) + (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH) + (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD) + (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20) + (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS) + (SUBTARGET_OPTIONS): Delete. + (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20. + (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000) + instead of a string. + * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string) + (pa_cpu_string, pa_unix_string): Delete. + (pa_cpu): Initialize to TARGET_SCHED_DEFAULT. + (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and + TARGET_HPUX_10_10. + (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults. + (pa_handle_option): New function. + (override_options): Remove handling of -march=, -mfixed-range=, + -mschedule= and -munix=. + * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete. + * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete. + * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete. + * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete. + * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete. + * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete. + * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before + redefining. + * config/pa/pa.opt: New file. + * config/pa/pa-hpux.opt: New file. + * config/pa/pa-hpux1010.opt: New file. + * config/pa/pa-hpux1111.opt: New file. + * config/pa/pa64-hpux.opt: New file. + +2005-04-22 David S. Miller + + * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an + integer when it's mode is VOIDmode not DImode. + +2005-04-22 Geoffrey Keating + + * config/rs6000/rs6000.md (sync_add_internal, + sync_addshort_internal, sync_sub_internal, sync_andsi_internal, + sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal, + sync_boolc_internal, sync_boolc_internal2, + sync_boolcc_internal, sync_lock_test_and_set): Use + "bne- $-xxx" rather than local labels. + (sync_lock_release): Add second operand. + (lwsync): Use .long rather than a more meaningful opcode. + * doc/md.texi (Standard Names): Add description of second + parameter to sync_lock_test_and_set. + +2005-04-23 Kazu Hirata + + PR tree-optimization/21088 + * fold-const.c (fold_unary, fold_binary, fold_ternary): + Export. + * tree-vrp.c (compare_values): Use fold_binary to compare + pointers. Use boolean_type_node as the type of a comparison + expression being folded. + * tree.h: Add prototypes for fold_unary, fold_binary, + fold_ternary. + + * tree-ssa-dom.c: Fix formatting. + +2005-04-22 Diego Novillo + + * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H. + * lambda-code.c (perfect_nestify): Mark virtual operands in + the moved statement for renaming. + * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define. + (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define. + * params.h (MIN_VIRTUAL_MAPPINGS): Define. + (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define. + * tree-flow.h (struct var_ann_d): Update comments. + (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names, + allocate_ssa_names, find_phi_node_for, dump_tree_ssa, + debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats, + debug_tree_ssa_stats, rewrite_ssa_into_ssa, + dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by, + debug_names_replaced_by): Remove declarations. + (delete_update_ssa, get_current_def, set_current_def): Declare. + (rewrite_into_loop_closed_ssa): Add new argument. Update + all callers. + * tree-into-ssa.c: Include params.h. + (old_virtual_ssa_names): Remove. Update all users. + (need_to_replace_names_p): Remove. Update all users. + (struct update_ssa_stats_d): Declare. + (update_ssa_stats): New local. + (dump_tree_ssa, debug_tree_ssa, debug_def_blocks, + dump_tree_ssa_stats, debug_tree_ssa_stats, + dump_update_ssa, debug_update_ssa, + dump_names_replaced_by, debug_names_replaced_by): Declare. + (get_current_def, set current_def): Make extern. + (is_old_name, is_new_name): Protect against references + past the end of the sets. + (add_new_name_mapping): Assert that OLD and NEW are + different SSA names for the same symbol. + When adding a virtual mapping, update stats for virtual + mapping heuristic. + (insert_phi_nodes_for): If UPDATE_P is true, create the + LHS of the new PHI by duplicating SSA name VAR. + (insert_phi_nodes_1): Remove. Update all users. + (insert_phi_nodes): Remove second argument. Update all + users. + (maybe_replace_use, maybe_replace_def): New. + (rewrite_update_stmt): Call them. + (mark_def_interesting): Remove calls to is_gimple_reg. + (prepare_phi_args_for_update): Remove. Update all users. + (prepare_block_for_update): Only process virtual operands + and GIMPLE registers in normal form. + (prepare_use_sites_for): New. + (prepare_names_to_update): Rename from prepare_def_sites. + Call prepare_use_sites_for. + (dump_update_ssa): Rename from dump_repl_tbl. + Update all users. + Show statistics for virtual mapping heuristic. + (debug_update_ssa): Rename from debug_debug_repl_tbl. + (init_update_ssa): Initialize UPDATE_SSA_STATS. + (delete_update_ssa): Make extern. + (mark_set_for_renaming): If the set is empty, do nothing. + (release_ssa_name_after_update_ssa): Update comment. + (insert_updated_phi_nodes_for): Do not remove existing + PHI nodes for symbols. + (switch_virtuals_to_full_rewrite_p): New. + (switch_virtuals_to_full_rewrite): New. + (update_ssa): Call them. + Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT + for every statement before updating. + If all the names in NEW_SSA_NAMES have been marked for + removal, do nothing. + Only start at the top of the CFG if there are symbols in + SYMS_TO_RENAME. + (ssa_rewrite_finalize_block): Remove. + (ssa_register_new_def): Remove. + (ssa_rewrite_stmt): Remove. + (ssa_rewrite_phi_arguments): Remove. + (ssa_rewrite_initialize_block): Remove. + (ssa_mark_def_sites): Remove. + (ssa_mark_def_sites_initialize_block): Remove. + (ssa_mark_phi_uses): Remove. + (rewrite_ssa_into_ssa): Remove. + * tree-phinodes.c (find_phi_node_for): Remove. + * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): + Call update_ssa. + * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): + Remove calls to verify_dominators and + verify_loop_structure. + (tree_unswitch_single_loop): Call update_ssa. + * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p + returns false. + Call verify_stmts. + (delete_tree_ssa): Assert that need_ssa_update_p returns + false. + * tree-vect-transform.c (vect_transform_loop): Call update_ssa. + * tree-vectorizer.c (allocate_new_names, rename_def_op, + free_new_names): Remove. Update all users. + (rename_use_op): Call get_current_def. + (rename_variables_in_bb): Do not handle any real or + virtual definition. + (slpeel_update_phis_for_duplicate_loop): Call + get_current_def and set_current_def instead of using + SSA_NAME_AUX. + (slpeel_update_phi_nodes_for_guard2): Reformat comments. + (slpeel_can_duplicate_loop_p): Call need_ssa_update_p, + ssa_names_to_replace and delete_update_ssa. + * doc/invoke.texi: Document --param min-virtual-mappings + and --param virtual-mappings-ratio. + +2005-04-22 Diego Novillo + + * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for + for newly created PHI nodes. + Call create_new_def_for for every new V_MAY_DEF and + V_MUST_DEF on the copied statement. + (struct ssa_name_map_entry): Remove. + (ssa_name_map_entry_hash): Remove. + (ssa_name_map_entry_eq): Remove. + (allocate_ssa_names): Remove. + (rewrite_to_new_ssa_names_def): Remove. + (rewrite_to_new_ssa_names_use): Remove. + (rewrite_to_new_ssa_names_bb): Remove. + (rewrite_to_new_ssa_names): Remove. + (tree_duplicate_sese_region): Remove variables ver, + definitions, phi, ssa_name_map and bi. + Call need_ssa_update_p instead of any_marked_for_rewrite_p. + Call update_ssa. + * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call + update_ssa instead of rewrite_ssa_into_ssa. + * tree-ssa-loop-manip.c (add_exit_phis_edge): Call + create_new_def_for. + (find_uses_to_rename_use): Add argument 'need_phis'. + (find_uses_to_rename_stmt): Do not scan virtual operands. + (find_uses_to_rename): Only scan PHI nodes for + non-virtual names. + (rewrite_into_loop_closed_ssa): Call update_ssa. + (check_loop_closed_ssa_use): Ignore virtual operands. + (check_loop_closed_ssa_stmt): Likewise. + (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is + NULL. + (rename_variables, set_phi_def_stmts): Remove. + (tree_duplicate_loop_to_header_edge): Reformat comment. + Remove variables BB, I and DEFINITIONS. + Call need_ssa_update_p. + Call update_ssa. + (lv_adjust_loop_header_phi): Reformat comment. + * tree-ssanames.c (ssa_names_to_rewrite): Remove. + (marked_for_rewrite_p, any_marked_for_rewrite_p, + mark_for_rewrite, unmark_all_for_rewrite, + marked_ssa_names): Remove. Update all users. + (release_ssa_name): If VAR has been registered for SSA + updating, do nothing. + * tree-vrp.c (new_ssa_names, old_ssa_names): Remove. + (build_assert_expr_for): Call register_new_name_mapping. + (insert_range_assertions): Update call to update_ssa. + * tree.h (mark_for_rewrite, unmark_all_for_rewrite, + marked_for_rewrite_p, any_marked_for_rewrite_p, + marked_ssa_names): Remove. + +2005-04-22 Jeff Law + + * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed. + (restore_currdefs_to_original_value): Likewise. + (register_definitions_for_stmt): Likewise. + (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF + for each variable. Do not allocate/free block_defs_stack either. + Do not iterate if we just thread jumps. Only iterate if the + tree_cleanup_cfg does useful work (temporary). + (dom_opt_initialize_block): No longer push a marker on + BLOCK_DEFS_STACK. + (dom_opt_finalize_block): Removal call to restore currdefs. + Relax restrictions for recording edge equivalences. + (record_equivalences_from_phis): No longer need to track + CURRENT_DEF. + (optimize_stmt): Similarly. + (thread_across_edge): Simplify by removing the requirement that + statements in the block we are threading through must be nops. + (initialize_hash_element): Handle GOTO_EXPR. + +2005-04-22 David S. Miller + + * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and + CONST_DOUBLE_HIGH. + * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and + fix check on CONST_DOUBLE mode. It should be VOIDmode + when it is representing an integer. + +2005-04-22 Nathan Sidwell + + * builtins.c (gimplify_va_arg_expr): Reword comments to avoid + 'abort'. Use gcc_assert and gcc_unreachable as appropriate. + * c-format.c (get_constant, decode_format_attr, get_flag_spec, + find_char_info_specifier_index, + find_length_info_modifier_index): Likewise. + * c-typeck.c (composite_type, pop_init_level): Likewise. + * combine.c (cant_combine_insn_p, try_combine): Likewise. + * cse.c (cse_insn): Likewise + * dominance.c (calc_dfs_tree): Likewise + dwarf2out.c (loc_descriptor_from_tree_1, + add_abstract_origin_attribute, force_decl_die, + force_type_die): Likewise + emit-rtl.c (operand_subword_force): Likewise + explow.c (hard_function_value): Likewise + expmed.c (store_bit_field, expand_divmod, + emit_store_flag_force): Likewise + expr.c (emit_move_multi_word, store_expr, + expand_expr_real_1): Likewise + final.c (this_is_asm_operands, shorten_branches, final_scan_insn, + output_operand): Likewise + flow.c (recompute_reg_usage): Likewise + * function.c (assign_stack_temp_for_type, assign_temp, + handle_epilogue_set): Likewise + * genextract.c (main): Likewise + * gimplify.c (mostly_copy_tree_r, gimplify_return_expr, + gimplify_modify_expr_rhs, gimplify_expr): Likewise + * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element, + ready_remove, rm_line_notes, rm_other_notes, + schedule_block): Likewise + mips-tfile.c (copy_object, out_of_bounds): Likewise + +2005-04-22 David Edelsohn + + PR target/20813 + * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT. + * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to + rs64. Add MASK_PPC_GFXOPT to powerpc64 and rs64. + (rs6000_init_libfuncs): Set TFmode optabs to xlq names if + TARGET_XL_COMPAT. + * doc/invoke.texi (PowerPC options): Change rs64a to rs64. + +2005-04-22 Nathan Sidwell + + * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap). + (gcc_tree_to_linear_expression): Convert to heap allocated + vectors. + (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest, + lbv_to_gcc_expression, lle_to_gcc_expression, + lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest, + perfect_nestify): Likewise. + lambda.h (gcc_loopnest_to_lambda_loopnest, + lambda_loopnest_to_gcc_loopnest): Likewise. + tree-loop-linear.c (linear_transform_loops): Likewise. + +2005-04-22 Eric Botcazou + + * config/sparc/predicates.md (arith_double_operand): Use + trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64. + * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode. + (DImode, DFmode constant splitters): Likewise. Remove code for + TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64. + (logical constant splitters): Use const_int_operand predicate. + (lshrsi3_extend): Remove code for TARGET_ARCH64 && + HOST_BITS_PER_WIDE_INT < 64. + +2005-04-22 Nathan Sidwell + + * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and + gcc_unreachable as appropriate. + (force_mode, emit_move_sequence, singlemove_string, + output_move_double, output_fp_move_double, find_addr_reg, + output_block_move, output_block_clear, output_and, + output_64bit_and, output_ior, output_64bit_ior, store_reg_modify, + pa_adjust_cost, pa_issue_rate, print_operand, + output_global_address, output_arg_descriptor, output_cbranch, + output_lbranch, output_bb, output_bvb, output_dbra, output_movb, + output_call): Likewise. + * config/pa/pa.md (call, call_value, sibcall, sibcall_value, + prefetch, prefetch_cc, prefetch_nocc): Likewise. + +2005-04-22 Zdenek Dvorak + + * Makefile.in (LIBGCOV): Add _gcov_interval_profiler, + _gcov_pow2_profiler and _gcov_one_value_profiler. + (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency. + (GTFILES): Add $(srcdir)/tree-profile.c. + * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler, + __gcov_one_value_profiler): Declare. + * gimplify.c (force_gimple_operand): Check whether the statements + should be produced in ssa form. + (force_gimple_operand_bsi): New function. + * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler, + __gcov_one_value_profiler): New functions. + * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether + the profiled value is a power of two or not. + * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks. + * tree-flow.h (in_ssa_p): Declare. + (force_gimple_operand_bsi): Declare. + * tree-into-ssa.c (in_ssa_p): New variable. + (rewrite_into_ssa): Set in_ssa_p. + * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p. + * tree-profile.c: Include ggc.h and gt-tree-profile.h. + (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn, + tree_one_value_profiler_fn): New variables. + (tree_init_edge_profiler): Initialize the profiler function decls. + (tree_gen_edge_profiler): Use global gcov_type_node. + (prepare_instrumented_value): New function. + (tree_gen_interval_profiler, tree_gen_interval_profiler, + tree_gen_one_value_profiler): Call the library functions instead of + creating instrumentation code. + * tree.c (build_fn_decl): New function. + * tree.h (build_fn_decl): Declare. + * value-prof.c (rtl_divmod_values_to_profile, + rtl_find_values_to_profile, rtl_mod_pow2_value_transform, + tree_mod_pow2_value_transform, tree_find_values_to_profile): + Do not handle may_be_other and precise values of exponents at pow2 + profiler. + (tree_mod_subtract_transform): Reflect that value field of + histogram has changed meaning. + (tree_divmod_values_to_profile): Record the values correctly. + (tree_values_to_profile): Update comment. + * value-prof.h (struct histogram_value_t): Remove pow2 data. + +2005-04-22 Joseph S. Myers + + * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN + (decl). + +2005-04-22 Nathan Sidwell + + * config/i386/i386.md (length_immediate): Use gcc_assert or + gcc_unreachable, as appropriate. + (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf, + *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387, + *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64, + *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64, + *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3, + *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1, + *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1, + *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1, + *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1, + *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext, + *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1, + *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp, + pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64, + pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse, + *prefetch_sse_rex): Likewise. + * config/i386/predicates.md (x86_64_immediate_operand, + x86_64_zext_immediate_operand, symbolic_operand, + no_seg_address_operand, aligned_operand, + memory_displacement_operand): Likewise. + * config/i386/sse.md (*mov_internal, + *movv2df_internal): Likewise. + +2005-04-22 Jan Hubicka + + * Makefile.in (ipa.o, ipa-inline.o): New files. + * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder, + cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes, + cgraph_mark_inline_edge, cgraph_default_inline_p): Declare. + * cgraphunit.c (cgraph_default_inline_p, + cgraph_decide_inlining_incrementally, ncalls_inlined, + nfunctions_inlined, initial_insns, overall_insns, + cgraph_estimate_size_after_inlining, cgraph_estimate_growth, + cgraph_clone_inlined_nodes, cgraph_mark_inline_edge, + cgraph_mark_inline, cgraph_check_inline_limits, + cgraph_default_inline_p, cgraph_recursive_inlining_p, + update_callee_keys, lookup_recursive_calls, + cgraph_decide_recursive_inlining, cgraph_set_inline_failed, + cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining, + cgraph_decide_inlining_incrementally, cgraph_gate_inlining, + pass_ipa_inline): Move to ipa-inline.c + (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c + * ipa.c: New file. + * ipa-inline.c: New file. + +2005-04-22 Eric Botcazou + + * doc/invoke.texi (SPARC options): Document that -mapp-regs + is turned off by default on Solaris. + +2005-04-21 Roger Sayle + + * c-common.h (objc_build_method_signature): Update prototype. + * stub-objc.c (objc_build_method_signature): Update the stub + implementation to accept and ignore additional parameter. + * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass + the value of ellipsis to objc_build_method_signature instead + of setting TREE_OVERFLOW on the parms TREE_LIST node. + +2005-04-21 Geoffrey Keating + + * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New. + * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use + gen_rtx_* not gen_rtx_fmt_*. + (rs6000_emit_vector_select): Likewise. + (rs6000_emit_sync): New. + * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros. + (larx, stcx, cmp): New mode substitutions. + (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, + UNSPEC_ISYNC): New constants. + (rlwinm): Give name. + (memory_barrier, isync, lwsync): New insns. + (sync_compare_and_swap, sync_lock_test_and_set): New insn. + (sync_lock_release): New expander. + (sync_add, sync_sub, sync_ior, sync_and, + sync_xor, sync_nand, sync_old_add, + sync_old_sub, sync_old_ior, sync_old_and, + sync_old_xor, sync_old_nand, sync_new_add, + sync_new_sub, sync_new_ior, sync_new_and, + sync_new_xor, sync_new_nand): New expanders. + (sync_add_internal, sync_addshort_internal, + sync_sub_internal, sync_andsi_internal, sync_anddi_internal, + sync_boolsi_internal, sync_booldi_internal, sync_boolc_internal, + sync_boolc_internal2, sync_boolcc_internal): New insns. + + * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0 + is the memory before, not after, the operation. Clarify + barrier requirements. + +2005-04-21 Nathan Sidwell + + * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'. + * lambda.h (lambda_vector_min_nz): Likewise. + * langhooks.h (struct lang_hooks_for_types, + struct lang_hooks): Likewise. + * output.h (assemble_integer, this_is_asm_operands): Likewise. + * tree.h: Likewise. + * vec.h: Likewise. + * tree-flow-inline.h (relink_imm_use): Use gcc_assert. + + * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword + comments to avoid 'abort'. Use gcc_assert as necessary. + * opts.c (common_handle_option): Likewise. + * pretty-print.c (pp_base_format_text): Likewise. + * print-rtl.c (print_rtx): Likewise. + * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise. + * regmove.c (try_auto_increment): Likewise. + * reload.c (find_valid_class, find_reloads_toplev, + find_equiv_reg): Likewise. + * reload1.c (reload, forget_old_reloads_1, function_invariant_p, + merge_assigned_reloads): Likewise. + * tree-inline.c (inline_forbidden_p_1, + estimate_num_insns_1): Likewise. + * tree-optimize.c (execute_todo): Likewise. + * tree-outof-ssa.c (eliminate_phi): Likewise. + * tree-ssa-alias.c (add_pointed_to_expr): Likewise. + * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise. + * tree-ssa-operands.c (parse_ssa_operands, + get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise. + * tree-ssa-pre.c (find_or_generate_expression): Likewise. + * tree-ssanames.c (release_ssa_name): Likewise. + * tree.c (int_bit_position, int_byte_position, tree_low_cst, + walk_tree): Likewise. + + * tree-ssa-operands.c (verify_abort): Fold into .. + (verify_imm_links): ... here. + +2005-04-21 Richard Henderson + + * config/alpha/sync.md (sync_new_nand): Fix constraints + on non-memory operand for previous inversion. + +2005-04-21 Devang Patel + + PR optimization/20994 + * tree-if-conv.c (find_phi_replacement_condition): Avoid generating + x = !(a == b) : p , q;. + (pass_if_conversion): Verify stmts and flow. + +2005-04-21 Nathan Sidwell + + * optabs.c (gen_conditional_trap): Restore #define. + + * alias.c (true_dependence): Remove 'abort' from comments. Use + gcc_assert and gcc_unreachable as appropriate. + (canon_true_dependence): Likewise. + * bb-reorder.c (connect_traces): Likewise. + * c-common.c (c_add_case_label): Likewise. + * c-decl.c (finish_function): Likewise. + * caller-save.c (insert_restore, insert_save): Likewise. + * cfg.c (update_bb_profile_for_threading): Likewise. + * cfganal.c (flow_active_insn_p): Likewise. + * cfgexpand.c (add_reg_br_prob_note): Likewise. + * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge, + cfg_layout_merge_blocks): Likewise. + * ifcvt.c (cond_exec_process_insns, merge_if_block, + find_if_block): Likewise. + * integrate.c (allocate_initial_values): Likewise. + * jump.c (reverse_condition, reverse_condition_maybe_unordered, + swap_condition, unsigned_condition, signed_condition, + mark_jump_label, invert_jump_1, rtx_renumbered_equal_p, + reg_or_subregno): Likewise. + * lambda-code.c (lambda_compute_auxillary_space, + lambda_transform_legal_p): Likewise. + * lambda-mat.c (lambda_matrix_inverse_hard): Likewise. + * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to, + lhd_incomplete_type_error, lhd_expand_expr, + lhd_types_compatible_p, lhd_tree_size): Likewise. + * lcm.c (create_pre_exit, optimize_mode_switching): Likewise. + * local-alloc.c (update_equiv_regs): Likewise. + * loop-unroll.c (peel_loop_completely + unroll_loop_constant_iterations, unroll_loop_runtime_iterations, + peel_loop_simple, unroll_loop_stupid, + analyze_iv_to_split_insn): Likewise. + * loop.c (gen_prefetch, find_and_verify_loops, + basic_induction_var): Likewise. + * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise. + * value-prof.c (tree_find_values_to_profile): Likewise. + * varasm.c (named_section, default_assemble_integer, + decode_addr_const): Likewise. + +2005-04-21 Alan Modra + Fariborz Jahanian + + * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of + portion of argument passed in fpr. + * expr.c (emit_push_insn): Fix computation of 'offset' used to + decide on partial argument save on stack. + +2005-04-21 Kazu Hirata + + * config/sparc/predicates.md, config/sparc/sparc.md: Fix + comment typos. + +2005-04-21 Jan Hubicka + + * cgraphunit.c: Include tree-pass.h + (cgraph_decide_recursive_inlining, + cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed, + cgraph_decide_inlining): Dump goes to dump_file. + (cgraph_optimize): Call ipa passes instead of inliner. + (cgraph_gate_inlining, pass_ipa_inline): New. + * tree-optimize.c (all_ipa_passes): New static variable. + (register_one_dump_file): Dead with IPA passes. + (register_dump_files): Likewise. + (init_tree_optimization_passes): Initialize IPA passes. + (execute_todo): Do cgraph dump when asked to, do not dump function body + for IPA pass. + * tree-pass.h (TODO_dump_cgraph): New macro. + (ipa_passes): Declare. + * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h + +2005-04-21 Nathan Sidwell + + * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and + gcc_assert instead of abort. + (classify_argument, examine_argument, construct_container, + contains_128bit_aligned_vector_p, ix86_check_movabs, + standard_80387_constant_opcode, standard_80387_constant_rtx, + ix86_initial_elimination_offset, ix86_compute_frame_layout, + pro_epilogue_adjust_stack, ix86_expand_epilogue, + ix86_address_cost, legitimate_address_p, legitimize_pic_address, + legitimize_tls_address, output_pic_addr_const, + i386_output_dwarf_dtprel, put_condition_code, print_reg, + get_some_local_dynamic_name, print_operand, print_operand_address, + output_387_binary_op, emit_i387_cw_initialization, + output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt, + ix86_expand_clear, ix86_expand_binary_operator, + ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode, + ix86_cc_modes_compatible, ix86_fp_comparison_codes, + ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare, + ix86_expand_branch, ix86_expand_setcc, + ix86_expand_carry_flag_compare, ix86_expand_fp_movcc, + ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move, + ix86_expand_movmem, ix86_expand_call, assign_386_stack_local, + memory_address_length, ix86_attr_length_immediate_default, + ix86_attr_length_address_default, ix86_agi_dependant, + x86_initialize_trampoline, ix86_init_mmx_sse_builtins, + ix86_expand_binop_builtin, ix86_force_to_memory, + ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts, + x86_emit_floatuns): Likewise. + * config/i386/netware.c (gen_regparm_prefix, + i386_nlm_strip_name_encoding): Likewise. + * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise. + +2005-04-21 Nathan Sidwell + + * optabs.c (gen_condiational_trap): Remove #define. + (add_equal_note): Assertify. Remove explicit indirection from + call via function pointer. + (expand_ternary_op, expand_simple_binop, expand_binop, + expand_twoval_unop, expand_twoval_binop, + expand_twoval_binop_libfunc, expand_simple_unop expand_unop, + emit_unop_insn, emit_no_conflict_block, prepare_cmp_insn, + prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns, + prepare_float_lib_cmp, emit_conditional_move, + emit_conditional_add, gen_add2_insn, gen_add3_insn, + have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn, + expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap, + vector_compare_rtx, expand_vec_cond_expr): Likewise. + +2005-04-21 Nathan Sidwell + + * vec.h: Update API to separate allocation mechanism from type. + (VEC_safe_grow): New. + * vec.c (calculate_allocation): New. + (vec_gc_o_reserve, vec_heap_o_reserve): Adjust. + (vec_gc_free, vec_heap_free): Remove. + * gengtype-lex.l (DEF_VEC_): Process mult-argument macros. Adjust. + (VEC): Likewise. + (mangle_macro_name): New. + (struct macro_def): New. + (struct macro): Add multiple argument values. + (macro_expans_end): New. + (push_macro_expansion): Chain on new macro. Process multiple + args, create follow on expansion. Return follow on argument. + (macro_input): Deal with multiple arguments. + + * tree.h: Define VEC(tree,heap) and VEC(tree,gc). + (struct tree_binfo): Adjust. + * basic-block.h: Define VEC(edge,gc). + (struct edge_def): Adjust. + (struct basic_block_def, struct edge_iterator): Likewise. + (ei_container, ei_start_1, ei_last_1): Likewise. + * cfg.c (connect_src, connect_dest): Likewise. + * cfgrtl.c (force_nonfallthru_and_redirect) + * dbxout.c (dbxout_type) + * dwarf2out.c (gen_member_die) + * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc). + (gcc_tree_to_linear_expression): Adjust. + (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest, + lbv_to_gcc_expression, lle_to_gcc_expression, + lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest, + perfect_nestify): Likewise. + * lambda.h (gcc_loopnest_to_lambda_loopnest, + lambda_loopnest_to_gcc_loopnest): Adjust prototypes. + * profile.c (instrument_values): Adjust. + * tree-cfg.c (modified_noreturn_calls): Adjust. + (remove_fallthru_edge): Likewise. + * tree-dump.c (dequeue_and_dump): Adjust. + * tree-flow-inline.h (mark_stmt_modified): Adjust. + * tree-flow.h (modified_noreturn_calls): Adjust. + (tree_on_heap): Remove. (yay!) + (register_new_def): Adjust. + * tree-into-ssa.c: Define VEC(int,heap). + (block_defs_stack): Adjust. + (find_idf, insert_phi_nodes, register_new_def, + rewrite_initialize_block, rewrite_finalize_block, + register_new_update_single, rewrite_update_init_block, + rewrite_update_fini_block, rewrite_blocks, + ssa_rewrite_finalize_block, ssa_register_new_def, + ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise. + * tree-loop-linear.c (linear_transform_loops): Adjust. + * tree-ssa-alias.c: Define VEC(fieldoff_t,heap). + (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust. + * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack, + stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack, + vrp_variables_stack): Adjust declarations. + (tree_ssa_dominator_optimize): Adjust. + (dom_opt_initialize_block, remove_local_expressions_from_table, + restore_nonzero_vars_to_original_value, + restore_vars_to_original_value, + restore_currdefs_to_original_value, dom_opt_finalize_block, + record_var_is_nonzero, record_cond, record_const_or_copy_1, + optimize_stmt, update_rhs_and_lookup_avail_expr, + lookup_avail_expr, record_range): Likewise. + * tree-ssa-pre.c: Define VEC(basic_block,heap). + (compute_antic_aux): Adjust. + (inserted_exprs, create_expression_by_pieces, + insert_into_preds_of_block, eliminate, mark_operand_necessary, + remove_dead_inserted_code, fini_pre): Likewise. + * tree-ssa-propagate.c (interesting_ssa_edges): Adjust. + (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist. + ssa_prop_init): Likewise. + * tree-ssa.c: Define VEC(bitmap,heap). + (verify_name_tags): Adjust. + * value-prof.c (rtl_divmod_values_to_profile): Adjust. + (insn_prefetch_values_to_profile, rtl_find_values_to_profile, + tree_divmod_values_to_profile, tree_find_values_to_profile, + value_profile_transformations): Likewise. + * value-prof.h: Define VEC(histogram_value,heap). + * varasm.c: Remove alias_pair pointer typedef, define + VEC(alias_pair,gc). + (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust. + + * config/pa/pa.c (typedef extern_symbol): Typedef the structure, + not a pointer to it. Create an object vector. + (extern_symbols): Turn into an object vector. + (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust. + +2005-04-21 Sebastian Pop + + PR/20742 + * Makefile.in (tree-chrec.o): Depend on params.h. + * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with + default value 20. + * tree-chrec.c: Depend on params.h. Replace build with buildN, + and fold build with fold_buildN. + (chrec_fold_plus_1): Fail with a chrec_don_know when the size of + the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE. + (tree_contains_chrecs): Compute an estimation of the size of the + given expression. + * tree-chrec.h (tree_contains_chrecs): Modify its declaration. + (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs. + * tree-scalar-evolution.c (simple_iv): Ditto. + * doc/invoke.texi (scev-max-expr-size): Documented. + +2005-04-21 Richard Sandiford + + * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options. + (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt. + (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt. + (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt. + (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*) + (i[34567]86-*-uwin*): Likewise i386/cygming.opt. + * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue) + (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete. + * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue) + (darwin_fix_and_continue_switch): Delete. + * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete. + (SUBTARGET_SWITCHES): Delete. + * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD) + (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS) + (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER) + (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS) + (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX) + (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A) + (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT) + (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387) + (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS) + (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP) + (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387) + (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER) + (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete. + (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS. + (TARGET_64BIT): Undef before redefining. + (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE) + (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE) + (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A) + (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES) + (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS) + (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string) + (ix86_asm_string, ix86_regparm, ix86_regparm_string) + (ix86_preferred_stack_boundary_string, ix86_branch_cost_string) + (ix86_debug_arg_string, ix86_debug_addr_string) + (ix86_align_loops_string, ix86_align_jumps_string) + (ix86_align_funcs_string): Delete. + * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT) + (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete. + * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete. + (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210. + * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete. + * config/i386/sco5.h (MASK_COFF, TARGET_ELF) + (SUBTARGET_SWITCHES): Delete. + * config/i386/i386.c (ix86_debug_arg_string): Delete. + (ix86_debug_addr_string): Delete. + (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string) + (ix86_fpmath_string, ix86_regparm_string, ix86_regparm) + (ix86_align_loops_string, ix86_align_jumps_string) + (ix86_preferred_stack_boundary_string, ix86_branch_cost_string) + (ix86_align_funcs_string): Make static. + (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults. + (ix86_handle_option): New function. + (TARGET_USE_MS_BITFIELD_LAYOUT): Delete. + (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT. + * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling + of darwin_fix_and_continue_switch. + (darwin_one_byte_bool): Delete. + * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete. + * config/rs6000/rs6000.c (rs6000_override_options): Update assignment + to darwin_one_byte_bool. + * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt, + * config/i386/djgpp.opt, config/i386/i386.opt, + * config/i386/sco5.opt: New files. + +2005-04-21 Eric Botcazou + + * config/sparc/sparc.c (reg_or_0_operand, const1_operand, + fp_zero_operand, fp_register_operand, intreg_operand, + fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand, + call_operand, call_operand_address, tgd_symbolic_operand, + tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand, + symbolic_operand, symbolic_memory_operand, label_ref_operand, + sp64_medium_pic_operand, data_segment_operand, + text_segment_operand, splittable_symbolic_memory_operand, + reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand, + eq_or_neq, normal_comp_operator, noov_compare_op, + noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop, + cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand, + const64_operand, const64_high_operand, arith11_operand, + arith10_operand, arith_double_operand, arith_double_4096_operand, + arith_double_add_operand, arith11_double_operand, + arith10_double_operand, small_int, small_int_or_double, + uns_small_int, uns_arith_operand, clobbered_register, + input_operand, compare_operand): Delete. + (sparc_emit_set_const32): Use predicates in assertion. Remove special + code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64. + (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32. + (GEN_HIGHINT64, GEN_INT64): Delete. + (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64, + gen_safe_XOR64): Adjust for above deletion. + (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs. + Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask. + (legitimate_constant_p): Use const_zero_operand instead. + (sparc_extra_constraint_check): Likewise. + * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'. + (PREFERRED_RELOAD_CLASS): Use const_zero_operand. + (PREDICATE_CODES): Delete. + * config/sparc/sparc.md: Include predicates.md. + (All patterns): Adjust for new predicate names. + (cmpdi, cmpdi_sp64): Use arith_operand predicate. + (movhi_const64_special, movsi_const64_special): Add 'K' constraint. + (movdi): Use general_operand predicate. + (movdi_sp64_dbl): Delete. + (movdi_const64_special): Add 'N' constraint. + (movdicc): Use arith10_operand predicate. + (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate. + (movdi_cc_reg_sp64): Use arith10_operand predicate. + (movdi_cc_reg_sp64_trunc): Delete. + (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand. + (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand. + (subdi3_sp32): Delete. + (subdi3_insn_sp32): Change to define_insn_and_split. + (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand. + (muldi3, muldi3_sp64, muldi3_v8plus): Likewise. + (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus, + umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use + small_int_operand predicate. + (divdi3, udivdi3): Use arith_operand predicate. + (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand. + (and3_sp64, ior3_sp64, xor3_sp64, + xor_not__sp64) : Use arith_operand predicate. + (xordi3_sp64_dbl): Delete. + (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not, + cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set, + cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl2_sp64, cmp_ccx_not, + cmp_ccx_set_not): Use arith_operand predicate. + (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand. + * config/sparc/predicates.md: New file. + +2005-04-21 Kazu Hirata + + PR tree-optimization/14846 + * fold-const.c (fold_single_bit_test_into_sign_test): New, + split out from ... + (fold_single_bit_test): ... here. + (fold_binary): Call fold_single_bit_test_into_sign_test + instead of fold_single_bit_test. + +2005-04-20 James E Wilson + + PR c++/20805 + * dwarf2out.c (gen_variable_die): Don't emit a specification if this + is another declaration. + +2005-04-21 Hans-Peter Nilsson + + * config/cris/predicates.md: New file. + * config/cris/cris-protos.h (cris_store_multiple_op_p) + (cris_movem_load_rest_p): Declare. + * config/cris/cris.c (cris_store_multiple_op): Return bool, not int. + (cris_movem_load_rest_p): Ditto. Globalize. + (cris_bdap_operand, cris_bdap_biap_operand, + cris_orthogonal_operator, cris_commutative_orth_op, + cris_operand_extend_operator, + cris_additive_operand_extend_operator, cris_extend_operator, + cris_plus_or_bound_operator, cris_mem_op, + cris_general_operand_or_symbol, + cris_general_operand_or_gotless_symbol, + cris_general_operand_or_plt_symbol, cris_mem_call_operand, + cris_load_multiple_op): Remove predicate functions. + (cris_symbol, cris_gotless_symbol) : Return 0, don't + abort, for UNSPECs other than CRIS_UNSPEC_PLT. + * config/cris/cris.h (PREDICATE_CODES): Don't define. + * config/cris/cris.md: Include predicates.md. + ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode. + +2005-04-20 Ian Lance Taylor + + * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def). + * c-common.h (STMT_EXPR_STMT): Don't define. + (STMT_EXPR_NO_SCOPE): Don't define. + * c-dump.c (c_dump_tree): Don't handle STMT_EXPR. + * c-pretty-print.c (pp_c_primary_expression): Likewise. + (pp_c_expression): Likewise. + +2005-04-20 Richard Henderson + + PR target/21100 + * config/i386/mmx.md (push1): Fix predicate thinko. + +2005-04-20 Jeff Law + + * reload1.c (reload): Ignore equivalences between pseudos and + read only memory. + +2005-04-20 Joseph S. Myers + + PR c/12913 + * c-tree.h (struct c_label_list): Update comment. + (struct c_label_context): Rename to struct c_label_context_se. + (label_context_stack): Rename to label_context_stack_se. + (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct + c_label_context_vm, label_context_stack_vm, c_begin_vm_scope, + c_end_vm_scope): New. + (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK. + * c-decl.c (pop_scope): Call c_end_vm_scope. + (pushdecl): Call c_begin_vm_scope for variably modified + declarations. + (define_label): Check for jumping into scope of identifier with + variably modified type. Push label on stack for those defined at + current context of identifiers with variably modified type. + (start_function): Create stack level for context of identifiers + with variably modified type. + (finish_function): Pop stack level for context of identifiers with + variably modified type. + * c-typeck.c (label_context_stack): Rename to + label_context_stack_se. + (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New. + (c_finish_goto_label): Check for jumping into scope of identifier + with variably modified type. Push label on stack for those jumped + to from current context of identifiers with variably modified + type. + (struct c_switch): Add blocked_vm. + (c_start_case): Initialize blocked_vm. + (do_case): Check blocked_vm. + (c_finish_case): Add comment. + (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed + variable label_context_stack. + +2005-04-20 Kazu Hirata + + * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to + conditional_replacement, value_replacement, abs_replacement, + minmax_replacement. + (replace_phi_edge_with_variable): Remove argument BB. + (conditional_replacement, value_replacement, + minmax_replacement, abs_replacement): Remove argument PHI_BB. + Update a call to replace_phi_edge_with_variable. + + * tree-ssa-phiopt.c: Fix comments. + +2005-04-20 Michael Matz + + PR20973 + * reload.c (push_reload, find_dummy_reload): Check for uninitialized + pseudos. + +2005-04-20 Kazu Hirata + + * tree-ssa-phiopt.c: Fix comment typos. + + PR tree-optimization/21116 + * tree-ssa-phiopt.c: Fix a typo. + +2005-04-19 Richard Henderson + + * builtins.c (expand_builtin_sync_operation): Revert last change. + * optabs.c (expand_bool_compare_and_swap): Compare vs old value, + not vs new value. + (expand_compare_and_swap_loop): Likewise. + (expand_sync_operation): Remove fallback from NAND to AND; invert + memory operand when expanding from cmpxchg. + (expand_sync_fetch_operation): Likewise. + * doc/extend.texi (Atomic Builtins): Fix docs for nand and + compare-and-swap. + + * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand + when implementing NAND. Fix double-add for AFTER. + * config/alpha/sync.md (sync_nand): Invert memory operand. + (sync_old_nand, sync_new_nand): Likewise. + (sync_compare_and_swap): Fix compare vs zero. Return old + memory value. + (sync_lock_test_and_set): Remove extra label and last + memory barrier. + + * config/i386/sync.md (sync_compare_and_swap): Fix pattern + to return old memory value. + (sync_compare_and_swap_cc): Likewise. + + * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early + return pre-reload. Don't consider output or anti dependencies. + * config/ia64/sync.md (IMODE): New. + (modesuffix): Add QI and HI. + (memory_barrier): Simplify expansion. + (sync_compare_and_swap): Use IMODE, not I48MODE. + (cmpxchg_acq_): Likewise. + (sync_lock_test_and_set): Likewise. + (sync_lock_release): Likewise. + +2005-04-19 James A. Morrison + + * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if + ~X or ~Y simplify. + +2005-04-19 James A. Morrison + + * fold-const (fold_binary): Fold ~X ^ ~ Y to X ^ Y. + +2005-04-20 Michael Pogue + Joseph S. Myers + + * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options. + * c-typeck.c (build_c_cast): Check these options. + * doc/invoke.texi: Document these options. + +2005-04-20 Kazu Hirata + + * tree-ssa-phiopt.c: Update a comment about the pass. + +2005-04-19 Kazu Hirata + + * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md, + config/mcore/mcore.c: Fix comment typos. + +2005-04-19 Daniel Jacobowitz + + * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET. + * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc. + +2005-04-19 Paul Brook + + * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs. + +2005-04-19 Andrew Haley + + PR java/21022 + * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before + looking at a field's bitpos. + +2005-04-19 Kaveh R. Ghazi + + * system.h (fopen, fdopen, freopen): Define these to the unlocked + libiberty functions. + +2005-04-19 Kazu Hirata + + PR tree-optimization/21096 + * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of. + +2005-04-19 Alan Modra + + PR target/21098 + * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New. + * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above. + +2005-04-19 Alexandre Oliva + + * tree-cfg.c (dump_function_to_file): Use cfun info only if it + refers to the function being dumped. + +2005-04-18 Daniel Jacobowitz + + * varasm.c (assemble_start_function): Remove reset of in_section. + +2005-04-18 James A. Morrison + + PR tree-optimization/21085 + * fold-const (fold_binary): Don't change X % -C to X % C if C has + overflowed. + +2005-04-19 Ben Elliston + + * doc/invoke.texi (Optimize Options): Refer to the correct + optimisation flag -ftree-dominator-opts, not -ftree-dom. + +2005-04-18 Christopher Jaillet + + * config/rs6000/rs6000.c (machopic_output_stub): Increase + alloca argument to be big enough. + +2005-04-18 Alexandre Oliva + + PR middle-end/21049 + * tree-cfg.c (dump_function_to_file): Do not crash if cfun or + cfun->cfg are NULL. + +2005-04-18 Tom Tromey + + * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment + typo. + +2005-04-18 Richard Henderson + + * config/alpha/alpha.c (alpha_split_atomic_op): New. + (alphaev5_insn_pipe): Add LD_L, ST_C, MB types. + (alphaev4_insn_pipe): Likewise. Correct IST and LDSYM pipes. + * config/alpha/alpha-protos.h: Update. + * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New. + (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New. + (attr type): Add ld_l, st_c, mb. + (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal, + iornotsi3, xorsi_internal, xornotsi3): New. + * config/alpha/ev4.md (ev4_ld): Add ld_l. + (ev4_ist_c, ev4_mb): New. + * config/alpha/ev5.md (ev5_st): Add st_c, mb. + (ev5_ld_l): New. + * config/alpha/ev6.md (ev6_ild): Add ld_l. + (ev6_ist): Add st_c. + (ev6_mb): New. + * config/alpha/sync.md: New file. + +2005-04-18 Richard Henderson + + * builtins.c (expand_builtin_sync_operation): Fold nand to and + for constants. + + * optabs.c (expand_sync_operation): Fix typo expanding nand to and. + +2005-04-18 Devang Patel + + * config/rs6000/atlivec.md (mulv4si3): New pattern. + +2005-04-18 James A. Morrison + + PR tree-optimization/20922 + * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false. + Fold X + c >= X and fold X - c <= X to true. + +2005-04-18 James A. Morrison + + * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an + unsigned int. + (emergency_labeled_state_free): Likewise. + +2005-04-18 Nick Clifton + + * config/h8300/h8300.md (jump): Remove prescan parameter from + calls to final_scan_insn. + + * config/arc/arc.c (arc_output_function_epilogue): Remove prescan + parameter from calls to final_scan_insn. + + * config.gcc (m68hc12): Use the m68hc11.opt file for target + specific options. + (v850e, v850e1): Use the v850.opt file for target specific + options. + +2005-04-18 Kazu Hirata + + PR tree-optimization/21001 + * tree-optimize.c (init_tree_optimization_passes): Move the + first pass_forwprop immediately before pass_vrp. + +2005-04-17 Ian Lance Taylor + + * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove. + * c-common.c (c_sizeof_or_alignof_type): Change second parameter + from enum tree_code op to bool is_sizeof. + * c-common.h (c_sizeof_or_alignof_type): Update declaration. + (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type. + * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR + case. + (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR + cases. + (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and + ALIGNOF_EXPR cases. + +2005-04-17 Ian Lance Taylor + + * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE. + +2005-04-17 Richard Henderson + + * config/alpha/alpha.c (va_list_skip_additions): Only define if + TARGET_ABI_OSF. + (TARGET_STDARG_OPTIMIZE_HOOK): Likewise. + (alpha_stdarg_optimize_hook): Likewise. Allow for one more round + of indirection through ssa names while looking for the gpr counter + field. + (alpha_setup_incoming_varargs) : Make use of the + saved va_list_gpr_size and va_list_fpr_size. + +2005-04-17 Kazu Hirata + + * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are + both pointers or both integers. + + * tree-vrp.c (maybe_add_assert_expr): Don't assert + ASSERT_EXPRs for single-use variable. + + * tree-into-ssa.c: Fix a comment typo. + +2005-04-17 Richard Sandiford + + * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as + -mipsN before forcing a default of -mips2. + +2005-04-17 Kazu Hirata + + * predict.h (IS_TAKEN): Remove. + * rtl.h (NOTE_PREDICTION): Likewise. + + * modulo-sched.c (CFG_HOOKS): Remove. + + * c-parser.c (N_C_TTYPES): Remove. + + * tree-flow-inline.h (get_stmt_operands): Remove. + * lambda-code.c, tree-ssa-loop-unswitch.c, + tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c, + tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c, + tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove + calls to get_stmt_operands. + * doc/tree-ssa.texi: Don't mention get_stmt_operands. + +2005-04-17 Richard Henderson + + PR target/20375 + * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy + of CUMULATIVE_ARGS past the last named argument. + (alpha_va_start): Expect pretend_args_size only if strictly less than + 6 named arguments. + +2005-04-17 Kazu Hirata + + PR middle-end/21024 + * builtins.c (expand_builtin_strcat): Convert the result of + strlen to the right type. + * fold-const.c (fold_binary) : Use fold_convert to + avoid creating type mismatches. + : Pass op0 and op1 to fold_build2 to avoid creating + type mismatches. + + * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove. + +2005-04-16 Richard Henderson + + PR target/21051 + * builtins.c (expand_builtin) : + Use the mode of boolean_type_node when the user doesn't provide one. + * config/ia64/sync.md (sync_lock_release): Use operand 1. + +2005-04-16 Alexandre Oliva + + PR target/20126 + * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg) + (const)). + + * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in + comment. + +2005-04-16 Roger Sayle + Steven Bosscher + + * fold-const.c (fold_binary_to_constant): Delete obsolete comment. + (fold_unary_to_constant): Likewise. + +2005-04-16 Kazu Hirata + + * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES, + PROP_ASM_SCAN. + +2005-04-16 Gerald Pfeifer + + * doc/install.texi (Specific): Avoid using asterisks in @anchor + names related to target triplets. + Remove i?86-*-esix from platform directory. + Remove powerpc-*-eabiaix from platform directory. + +2005-04-16 Joseph S. Myers + + PR middle-end/20491 + * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of + falling through from SUBREG case to REG. + +2005-04-15 Roger Sayle + + * fold-const.c (fold_relational_hi_lo): Delete function and prototype. + (fold_binary): Update comment mentioning fold_relational_hi_lo. + (fold_binary_to_constant): Simplify using fold_binary. + (fold_unary_to_constant): Likewise, simplify using fold_unary. + +2005-04-15 Rainer Orth + + * gthr-posix.c (pthread_cancel): Define. + (pthread_mutexattr_init): Likewise. + (pthread_mutexattr_settype): Likewise. + (pthread_mutexattr_destroy): Likewise. + +2005-04-15 David S. Miller + + PR target/20673 + * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()). + +2005-04-15 Kazu Hirata + + PR tree-optimization/21031 + * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New. + (forward_propagate_into_cond_1): Call it. Forward propagate + integer-integer casts into COND_EXPRs. + +2005-04-15 Dave Korn + + * gcc.c (default_compilers): Clarify obscure error message when + reading from standard input. + +2005-04-15 Kazu Hirata + + * basic-block.h (PROP_EQUAL_NOTES): Remove. + * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES. + + * tree-ssa-alias.c (init_alias_info): Remove a call to + get_stmt_operands. + +2005-04-15 Andrew MacLeod + + * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses + of non-virtual PHI nodes like we use to. + +2005-05-15 Paolo Bonzini + + * genattrtab.c (ATTR_EQ_ATTR_P): Remove. + (attr_copy_rtx): Do not use it. + +2005-04-15 Andrew Macleod + + * doc/tree-ssa.texi: Grammer/abbreviation updates. + +2005-04-15 Diego Novillo + + * tree-vect-transform.c (vectorizable_store): Mark necessary + objects in the vectorized store needing renaming. Update the + SSA graph for V_MAY_DEF operands in the original store. + +2005-04-14 Daniel Berlin + + * tree-ssa-pre.c (compute_avail): It's okay to have + TREE_INVARIANT's here, and value number the resulting expressions. + (create_expression_by_pieces): Make sure operands that were + min_invariant when we started, stay that way. + +2005-04-15 David Edelsohn + + * doc/install.texi (*-ibm-aix*): Add comment about system limits. + +2005-04-15 Kazu Hirata + + PR tree-optimization/20936. + * tree-ssa-ccp.c (visit_assignment): Fix a typo. + +2005-04-15 Volker Reichelt + + * doc/invoke.texi: Fix typos. + * doc/md.texi: Likewise. + * doc/rtl.texi: Likewise. + * doc/sourcebuild.texi: Likewise. + * doc/tm.texi: Likewise. + +2005-04-15 Uros Bizjak + + PR tree-optimization/21004 + * convert.c (convert_to_integer): Convert ceilf, ceill, floorf + and floorl in c99 mode only. + * builtins.c (expand_builtin_int_roundingfn): Assert that + fallback_fndecl is not NULL_TREE. + +2005-04-15 Kazu Hirata + + * cfgrtl.c (purge_all_dead_edge): Remove an unused argument. + * basic-block.h: Update the prototype for + purge_all_dead_edges. + * cfgexpand.c (tree_expand_cfg): Update a call to + purge_all_dead_edges. + * combine.c (combine_instructions): Likewise. + * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse, + rest_of_handle_cse2, rest_of_handle_gcse, + rest_of_handle_postreload): likewise. + +2005-04-15 Alexandre Oliva + + PR middle-end/20739 + * gimplify.c (gimplify_addr_expr): Compensate for removal of + e.g. cv-qualification conversions. + +2005-04-14 Mike Stump + + * config/darwin-c.c (framework_construct_pathname): We must + find all headers of a framework in the first instance of it + found in the seach path. + +2005-04-14 Kazu Hirata + + PR tree-optimization/21021 + * tree-vrp.c (compare_values): Work around a bug in the front + end that produces a comparison of mismatched types. + +2004-04-14 Richard Henderson + + * config/ia64/ia64.h (enum fetchop_code): Remove. + (enum ia64_builtins): Move ... + * config/ia64/ia64.c (enum ia64_builtins): ... here. Remove all + members except BSP and FLUSHRS. + (ia64_init_builtins): Remove __sync builtins. + (ia64_expand_builtin): Likewise. + (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove. + (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove. + (ia64_expand_lock_release): Remove. + * config/ia64/ia64.md (mf): Move to sync.md. + (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si, + cmpxchg_acq_di, xchgsi, xchgdi): Likewise. + * config/ia64/sync.md: New file. + (memory_barrier): Rename from mf. + (fetchadd_acq_): Macroize from _si/_di patterns. + (cmpxchg_acq_): Likewise. + (sync_lock_test_and_set): Likewise. + + * config/ia64/ia64intrin.h: Define nothing for C; limit #defines + to c++. Remove __sync* declarations. s/_si/_4/. s/_di/_8/. + +2004-04-14 Richard Henderson + + * config/i386/i386.c (x86_cmpxchg, x86_xadd): New. + (ix86_compare_emitted): New. + (ix86_expand_compare): Use ix86_compare_emitted if set. + (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0 + and ix86_compare_op0 are set. + * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare. + (TARGET_CMPXCHG, TARGET_XADD): New. + (ix86_compare_emitted): Declare. + * config/i386/i386.md: Include sync.md + (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New. + (UNSPECV_XCHG, UNSPECV_LOCK): New. + * config/i386/sync.md: New file. + +2004-04-14 Richard Henderson + + PR middle-end/14311 + * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2, + BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2, + BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1, + BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8, + BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4, + BT_FN_I8_VPTR_I8_I8): New. + * builtins.def (DEF_SYNC_BUILTIN): New. + (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1, + BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4, + BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N, + BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2, + BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8, + BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1, + BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4, + BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N, + BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2, + BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8, + BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1, + BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4, + BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N, + BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2, + BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8, + BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1, + BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4, + BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N, + BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2, + BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8, + BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1, + BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4, + BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N, + BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2, + BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8, + BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1, + BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4, + BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N, + BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2, + BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8, + BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1, + BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4, + BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N, + BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2, + BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8, + BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1, + BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4, + BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N, + BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2, + BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8, + BUILT_IN_SYNCHRONIZE: New. + * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN + as a function. Accept __sync_ as a prefix as well. + (expand_builtin_sync_operation, expand_builtin_compare_and_swap, + expand_builtin_lock_test_and_set, expand_builtin_synchronize, + expand_builtin_lock_release): New. + (expand_builtin): Call them. + * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if + neither BOTH_P nor FALLBACK_P are defined. + (builtin_type_for_size): New. + (sync_resolve_size, sync_resolve_params, sync_resolve_return): New. + (resolve_overloaded_builtin): New. + * c-common.h (resolve_overloaded_builtin): Declare. + (builtin_type_for_size): Declare. + * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin. + * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab, + sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab, + sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab, + sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab, + sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab, + sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap, + sync_compare_and_swap_cc, sync_lock_test_and_set, + sync_lock_release): New. + * optabs.h: Declare them. + * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap, + expand_sync_operation, expand_sync_fetch_operation, + expand_sync_lock_test_and_set): Declare. + * genopinit.c (optabs): Add sync optabs. + * optabs.c (init_optabs): Initialize sync optabs. + (expand_val_compare_and_swap_1, expand_val_compare_and_swap, + expand_bool_compare_and_swap, expand_compare_and_swap_loop, + expand_sync_operation, expand_sync_fetch_operation, + expand_sync_lock_test_and_set): New. + * doc/extend.texi (Atomic Builtins): New section + * doc/md.texi (Standard Names): Add sync patterns. + +2005-04-14 Alexandre Oliva + + * tree-eh.c (lower_try_finally_copy): Generate new code in + response to goto_queue entries as if the queue was sorted by + index, not pointers. + (lower_try_finally_switch): Likewise. + +2005-04-14 Richard Henderson + + * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ... + (ix86_expand_sse_movcc): ... here. Take cmp as a pre-computed + register. + (ix86_expand_fp_movcc): Update to match. + (ix86_expand_fp_vcond, ix86_expand_int_vcond): New. + * config/i386/i386-protos.h: Update. + * config/i386/sse.md (vcondv4sf, vcondv2df): New. + (vcond, vcondu): New. + +2005-04-14 Joseph S. Myers + + * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to + refer to 4.0. + +2005-04-14 Julian Brown + + * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++ + link failures on ppc64 Linux. + +2005-04-14 Andreas Krebbel + + * config.gcc: Set cpu_type for s390. + +2005-04-14 Daniel Berlin + + Fix PR tree-optimization/20963 + * tree-ssa-pre.c (compute_avail): Remove special case for + TREE_INVARIANT. + (create_expression_by_pieces): Add value numbers for forced out + statements. + +2005-04-14 Hans-Peter Nilsson + + * config/cris/cris.md: Replace references to (reg:SI 16) with + (reg:SI CRIS_SRP_REGNUM). + +2005-04-14 Kazu Hirata + + PR tree-optimization/20657 + * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to + create an appropriate range from it. + +2005-04-14 Uros Bizjak + + * reg-stack.c (subst_stack_regs_pat): Handle and + case. + + * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New. + (*fist2_floor_1, fistdi2_floor, fistdi2_floor_with_temp) + (fist2_floor, fist2_floor_with_temp): New isns patterns + to implement lfloor and llfloor built-ins as x87 intrinsic function. + (fistdi2_floor, fist2_floor splitters): New splitters. + (lfloor2): New expanders. + (*fist2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp) + (fist2_ceil, fist2_ceil_with_temp): New isns patterns + to implement lceil and llceil built-ins as x87 intrinsic function. + (fistdi2_ceil, fist2_ceil splitters): New splitters. + (lceil2): New expanders. + +2005-04-14 Uros Bizjak + + * convert.c (convert_to_integer): Convert (long int)trunc{,f,l}, + and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR. + +2005-04-14 Ulrich Weigand + + PR target/20927 + * config/s390/s390-modes.def: Define TFmode. + +2005-04-13 Richard Sandiford + + * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete. + (JUMP_TABLES_IN_TEXT_SECTION): Define. + * config/mips/mips.c (mips16_insn_length): Remove reference to + JUMP_TABLES_IN_TEXT_SECTION. + +2005-04-13 Fariborz Jahanian + + * simplify-rtx.c (simplify_binary_operation_1): Return + scalar or vector of constant 0, depending on the xor's + mode. + +2005-04-13 Dale Johannesen + + * objc/Make-lang.in (objc-lang.o): Depend on tree-gimple.h. + (objc-act.o): Ditto. + * objc/objc-act.c (objc_gimplify_expr): New. + (objc_get_callee_fndecl): New. + * objc/objc-act.h: Include tree-gimple.h. Declare new functions. + * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR): Define. + (LANG_HOOKS_GET_CALLEE_FNDECL): Define. + +2005-04-13 Devang Patel + + * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra + temp variables. + +2005-04-13 Hans-Peter Nilsson + + CRIS prologue as RTL. + * config/cris/cris-protos.h (cris_emit_movem_store) + (cris_expand_prologue): Prototype. + * config/cris/cris.c (struct machine_function): New member + stdarg_regs. + (cfa_label_num, cris_target_asm_function_prologue): Remove. + (TARGET_ASM_FUNCTION_PROLOGUE): Don't override. + (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT. + (cris_load_multiple_op, cris_return_address_on_stack) + (cris_return_address_on_stack_for_return): ISO-Cify. + (cris_store_multiple_op): New predicate function. + (cris_expand_prologue, cris_emit_movem_store): New functions. + (cris_print_operand) : Handle modifications other than + post-increment. + (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT. + (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT. + (cris_gen_movem_load): Rearrange slightly to make local variable + src a parameter, removing osrc. + (cris_setup_incoming_varargs): Set machine_function member + stdarg_regs to correspond to the number of registers that need to + be saved. + * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept + CRIS_UNSPEC_GOT. + (PREDICATE_CODES): Add cris_store_multiple_op. Make + cris_general_operand_or_gotless_symbol accept UNSPEC. + * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant. + ("*movsi_internal") : Handle CRIS_UNSPEC_GOT. + ("*cris_store_multiple"): New pattern. Tweak common comment above + this and "*cris_load_multiple". + ("prologue"): New define_expand. + + * config/cris/cris.md ("epilogue"): Conditionalize on + TARGET_PROLOGUE_EPILOGUE. + +2005-04-13 Steve Ellcey + + PR target/20924 + * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with + fpsr 0 instead of fpsr 1. + (divsf3_internal_thr): Ditto. + (divdf3_internal_lat): Ditto. + (divdf3_internal_thr): Ditto. + (divxf3_internal_lat): Ditto. + (divxf3_internal_thr): Ditto. + +2005-04-13 Kazu Hirata + + PR tree-optimization/20913 + * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR. + + PR tree-optimization/20702 + * tree-vrp.c (maybe_add_assert_expr): Recurse into + dominator children that haven't been walked into. + +2005-04-13 Julian Brown + + * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from + being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP + is true. + +2005-04-13 Kazu Hirata + + * basic-block.h, tree-ssa-uncprop.c, varasm.c, + config/i386/sse.md: Fix comment typos. + + * genattrtab.c (NULL_ATTR): Remove. + * ifcvt.c (NULL_EDGE): Likewise. + + * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove. + + * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS, + NOTE_PREDICT): Remove. + +2005-04-13 Eric Botcazou + + * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf. + * configure: Regenerate. + * config.in: Likewise. + * system.h: Declare vsnprintf if not already declared. + +2005-04-13 Eric Botcazou + + * optc-gen.awk: Handle stand-alone Mask records. + * opth-gen.awk: Likewise. + * doc/options.texi (Option file format): Document them. + * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*, + sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt. + (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt. + * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES, + MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9, + MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS, + MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT, + MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS, + MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete. + (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE, + TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS, + TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD, + TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS, + TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS, + TARGET_LONG_DOUBLE_128): Likewise. + (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise. + (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise. + * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise. + * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise. + * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise. + * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise. + * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise. + * config/sparc/sparc.c (fpu_option_set): New global. + (sparc_handle_option): New function. + (sparc_override_options): Test fpu_option_set. + (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT. + (TARGET_HANDLE_OPTION): Set to sparc_handle_option. + * config/sparc/sparc.opt: New file. + * config/sparc/little-endian.opt: Likewise. + * config/sparc/long-double-switch.opt: Likewise. + +2005-04-13 Bernd Schmidt + + * config/bfin/bfin.c (bfin_lib_id_given): New static variable. + (bfin_handle_options): Set it if -mshared-library-id= is seen. + * config/bfin/bfin.opt (mshared-library-id=): Lose + Var(bfin_lib_id_given). + +2005-04-13 Matt Thomas + + * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before + defining. + +2005-04-13 Kazu Hirata + + * rtl.h (CLEAR_RTX_FLAGS): Remove. + + * cgraphunit.c (INSNS_PER_CALL): Remove. + + * tree-ssa-forwprop.c (vars, + record_single_argument_cond_exprs, + substitute_single_use_vars): Remove. + (forward_propagate_into_cond_1, forward_propagate_into_cond): + New. + (tree_ssa_forward_propagate_single_use_vars): Call + forward_propagate_into_cond for each COND_EXPR. + + * tree-inline.c (INSNS_PER_STMT): Remove. + +2005-04-12 Richard Henderson + + * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ... + (ix86_expand_sse_fp_minmax): ... from ... + (ix86_expand_fp_movcc): ... here. + (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc. + * config/i386/i386-protos.h: Update. + * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New. + (sse_setccsf, sse_setccdf): Allow before reload. + (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove. + (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove. + (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New. + * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New. + (anddf3, nanddf3, iordf3, xordf3): New. + +2005-04-12 Jeff Law + + * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o. + (tree-ssa-uncprop.o): Add dependencies. + * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove. + * tree-flow.h (remove_useless_stmts): Remove prototype. + * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to + remove_useless_stmts. + * timevar.def (TV_TREE_SSA_UNCPROP): New timevar. + * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass. + * tree-pass.h (pass_uncprop): Declare. + * tree-ssa-uncprop.c: New file. + +2005-04-12 James E. Wilson + + PR target/20670 + * unwind-ia64.c (uw_intall_context): Add missing load of r27. + +2005-04-12 Caroline Tice + + Temporary fix for partitioning problems. + * passes.c (rest_of_handle_final): Remove code that + frees unlikely_text_section_name, + * varasm.c (assemble_start_function): Test for partitioning + flag before writing out section labels. + (assemble_end_function): Test for partitioning flag before + writing out section labels. + +2005-04-12 Steven Bosscher + Stuart Hastings + Jan Hubicka + + * Makefile.in: Add function.h to BASIC_BLOCK_H. Remove all + references to gt-tree-cfg.h. + * basic-block.h (struct basic_block_def): Don't skip rbi + for garbage collection. + (struct reorder_block_def): Make GTY-able. + (struct control_flow_graph): New structure. + (n_edges, n_basic_blocks, last_basic_block, basic_block_info, + BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars, + but instead defines to the control_flow_graph for cfun. + (label_to_block_map): New define, points to the label map of + the control_flow_graph for cfun. + (n_edges_for_function, n_basic_blocks_for_function, + last_basic_block_for_function, basic_block_info_for_function, + EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION, + basic_block_info_for_function, label_to_block_map_for_function): + Counterparts for the above, taking a struct function as an extra + argument. + (alloc_rbi_pool, free_rbi_pool): Remove prototypes. + * cfg.c: (n_edges, n_basic_blocks, last_basic_block, + basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove. + (alloc_rbi_pool, free_rbi_pool): Remove. + (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc. + * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool + here... + (cfg_layout_finalize) ... and don't free it here. + * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets + garbage collected. + * flow.c (free_basic_block_vars): Set label_to_block_map and + n_edges to zero too. + * function.h (struct function): Add cfg field. + * function.c (allocate_struct_function): Allocate the cfg. + * tree-cfg.c (label_to_block_map): Remove. + (build_tree_cfg): Don't allocate the rbi pool here... + (delete_tree_cfg_annotations): ...and don't free it here. + Also don't nullify label_to_block_map for cfun. + +2005-04-12 Caroline Tice + + * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges): + Revert my patch from April 9. + (fix_edges_for_rarely_executed_code): Revert my patch from April 9. + (reorder_basic_blocks): Revert my patch from April 9. + (insert_section_boundary_note): Revert my patch from April 9. + * dbxout.c (dbxout_function_end): Revert my patch from April 9. + * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9. + (COLD_END_LABEL): Revert my patch from April 9. + (cold_text_section_label): Revert my patch from April 9. + (cold_end_label): Revert my patch from April 9. + (dwarf2out_switch_text_section): Revert my patch from April 9. + (output_aranges): Revert my patch from April 9. + (output_ranges): Revert my patch from April 9. + (output_line_info): Revert my patch from April 9. + (add_location_or_const_value_attribute): Revert my patch from April 9. + (dwarf2out_var_location): Revert my patch from April 9. + (dwarf2out_init): Revert my patch from April 9. + (dwarf2out_finish): Revert my patch from April 9. + * function.h (struct function): Revert my patch from April 9. + * opts.c (decode_options): Revert my patch from April 9. + * output.h (unlikely_section_label, hot_section_label, + hot_section_end_label, cold_section_end_label, + unlikely_text_section_name): Revert my patch from April 9. + * passes.c (rest_of_handle_final): Revert my patch from April 9. + * varasm.c (unlikely_section_label, hot_section_label, + hot_section_end_label, cold_section_end_label, + unlikely_text_section_name): Revert my patch from April 9. + (initialize_cold_section_name): Revert my patch from April 9. + (unlikely_text_section): Revert my patch from April 9. + (in_unlikely_text_section): Revert my patch from April 9. + (named_section): Revert my patch from April 9. + (function_section): Revert my patch from April 9. + (current_function_section): Revert my patch from April 9. + (assemble_start_function): Revert my patch from April 9. + (assemble_end_function): Revert my patch from April 9. + (default_section_type_flags_1): Revert my patch from April 9. + +2005-04-12 Eric Botcazou + + * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode. + * config/sparc/sparc.md (untyped_call): Save the registers manually. + + * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32. + +2005-04-12 Ulrich Weigand + + PR middle-end/20917 + * config/s390/s390.md ("*set_tp"): Use SET in pattern. + ("set_tp_64", "set_tp_31"): Adapt expanded pattern. + +2004-04-12 Richard Henderson + + * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE, + UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD, + UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove. + (UNSPEC_*, UNSPECV_*): Renumber. + +2005-04-12 Frank Ch. Eigler + + PR mudflap/19266 + From Richard Henderson : + * tree-mudflap.c (mf_build_check_statement_for): Correct block + splitting logic. + +2005-04-12 Dorit Naishlos + + * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL. + +2005-04-12 Bernd Schmidt + + * config/bfin/bfin.c (bfin_library_id_string): Remove. + (bfin_library_id): New variable. + (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given + instead of bfin_library_id_string. + (bfin_handle_option): New function. + (override_options): Remove most code to deal with shared library IDs, + just check they aren't used without -mid-shared-library. + (TARGET_HANDLE_OPTION): Define. + * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro. + * config/bfin/bfin.opt (mshared-library-id=): New. + +2005-04-12 Kazu Hirata + + * tree-vect-transform.c: Fix comment typos. + +2005-04-12 Mostafa Hagog + + * postreload-gcse.c (eliminate_partially_redundant_load): Don't + split critical edges when not possible/profitable. + +2005-04-12 Richard Sandiford + + * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD) + (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD) + (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE) + (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD) + (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM) + (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete. + (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB. + * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and + MASK_NO_BITFIELD. + * config/ns32k/ns32k.c (ns32k_handle_option): New function. + (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults. + * config/ns32k/ns32k.opt: New file. + +2005-04-12 Richard Sandiford + + * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options. + * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020) + (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY) + (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200) + (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x) + (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881) + (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT) + (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL) + (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD) + (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY) + (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES) + (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete. + (MASK_COLDFIRE): Formatting fixes. + (TARGET_COLDFIRE): Turn into a boolean value for consistency. + * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete. + * config/m68k/m68k.c (m68k_library_id_string): Initialize to + "_current_shared_library_a5_offset_". + (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults. + (MASK_ALL_CPU_BITS): New macro. + (m68k_handle_option): New function. + (override_options): Remove handling of m68k_library_id_string. + * config/m68k/m68k.opt: New file. + * config/m68k/ieee.opt: New file. + +2005-04-11 Mark Mitchell + + * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove. + (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro. + (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise. + (TARGET_CXX): Adjust accordingly. + * target.h (struct gcc_target): Remove epxort_class_data. Add + determine_class_data_visibility and class_data_always_comdat. + * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove. + (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document. + (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise. + * config/arm/arm.c (arm_cxx_export_class_data): Remove. + (arm_cxx_determine_class_data_visibility): New. + (arm_cxx_class_data_always_comdat): Likewise. + (TARGET_CXX_EXPORT_CLASS_DATA): Remove. + (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define. + (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise. + * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define. + * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): + Define. + +2005-04-11 Devang Patel + + * tree-data-ref.c (build_classic_dist_vector, + compute_subscript_distance): Make externally visible. + * tree-data-ref.h (build_classic_dist_vector, + compute_subscript_distance): Same. + * tree-vect-analyze.c (vect_analyze_data_ref_dependence): + Check distance vector against vectorization factor. + (vect_analyze_loop): Determine vectorizaion factor before + analyzing data dependences. + * tree-vectorizer.c (loops_num): Make it externally visible and + rename ... + * tree-vectorizer.c (vect_loops_num): ... new name. + * tree-vectorizer.h (vect_loops_num): New. + +2005-04-11 Devang Patel + + * tree-vect-analyze.c (vect_analyze_operations): Check + vectorizable codition. + * tree-vect-transform.c (vect_is_simple_cond): New function. + (vectorizable_condition): New function. + (vect_transform_stmt): Handle condition_vec_info_type. + * tree-vectorizer.h (enum stmt_vec_info_type): Add + condition_vec_info_type. + (vectorizable_condition): New. + +2005-04-11 Geoffrey Keating + + * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New. + * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New. + * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT. + + * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686. + (SUBTARGET_EXTRA_SPECS): Always 'i386'. + + * dwarf2out.c (output_line_info): Don't try to dereference + a NULL current_function_decl. + + * config/t-slibgcc-darwin: Don't put shared libraries in + directories other than $(slibdir). + * config/rs6000/darwin.h: Find -m64 libgcc under the name the + OS uses for it. + +2005-04-11 Diego Novillo + + PR tree-optimization/20933 + * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move + logic to reject aliases between read-only and writable + variables ... + (may_alias_p): ... here. + (get_tmt_for): Do not associate read-only tags to pointers + whose pointed-to type is not read-only. + * tree-ssa.c (verify_ssa): Check that memory stores have at + least one V_MAY_DEF or V_MUST_DEF. + +2005-04-11 Kaveh R. Ghazi + + PR/17092 + * configure.ac (gcc_UNLOCKED_FUNCS): New. + (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS. + * system.h (putchar, getc, getchar, clearerr, feof, fileno, + fflush, fgetc, fgets, ferror, fread): Redefine to the associated + _unlocked function. + (fwrite_unlocked): Fix prototype. + + * configure, config.in: Regenerate. + +2005-04-11 David Edelsohn + + * tree-ssa-loop-im.c: Include real.h. + (determine_invariantness_stmt): If real division divisor is + invariant and flag_unsafe_math_optimizations enabled, generate + invariant reciprocal for hoisting. + * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency. + +2005-04-11 Daniel Berlin + + Fix PR tree-optimization/20926 + + * tree-ssa-alias.c (add_type_alias): Handle subvars. + +2005-04-11 Devang Patel + + * config/rs6000.c (rs6000_emit_vector_select): Fix vector select + operand ordering. + +2005-04-11 Andrew Pinski + + * fold-const.c (fold_binary_op_with_conditional_arg): + use fold_buildN instead of "fold (buildN" in some + non obvious places. + (fold_unary): Likewise. + (fold_binary): Likewise. + +2005-04-11 Daniel Berlin + + Fix PR tree-optimization/20612 + * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment + handling + (perfect_nestify): preheaderbb is *not* part of loop of the + old destination. + +2005-04-11 Andrew Pinski + + * tree-ssa-alias.c (may_alias_p): If the variable + is a global variable and the pointer is parameter + and -fargument-noalias-global is used, then + the pointer cannot alias the variable. + +2005-04-11 James A. Morrison + + * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable. + * config/sparc/sparc.h: Likewise. + * config/sparc/sparc.md: Likewise. + +2005-04-11 Kazu Hirata + + * tree-vrp.c (maybe_add_assert_expr): Move a comment. + + * tree-vrp.c: Fix a comment typo. + +2005-04-11 Diego Novillo + + PR tree-optimization/20920 + * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an + SSA_NAME flows through an abnormal edge. + * tree-vrp.c (infer_value_range): Ignore SSA names that flow + through abnormal edges. + (maybe_add_assert_expr): Likewise. + +2005-04-11 Richard Sandiford + + * config/s390/s390.h (s390_tune_string, s390_arch_string) + (s390_warn_framesize_string, s390_warn_dynamicstack_string) + (s390_stack_size_string, s390_stack_guard_string, target_flags) + (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT) + (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD) + (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT) + (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG) + (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING) + (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN) + (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete. + * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default. + (TARGET_HANDLE_OPTION): Likewise. + (s390_tune): Initialize to PROCESSOR_max. + (s390_arch_string): Make static. + (s390_tune_string, s390_warn_framesize_string): Delete. + (s390_warn_dynamicstack_string, s390_stack_size_string): Delete. + (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete. + (s390_handle_arch_option, s390_handle_option): New functions. + (override_options): Remove parsing of option strings. + * config/s390/s390.opt: New file. + +2005-04-11 Paolo Bonzini + + * tree-complex.c (expand_vector_operations): Call + update_stmt_if_modified. + +2005-04-11 Paolo Bonzini + + * tree-vect-analyze (vect_determine_vectorization_factor): + Do not use GET_MODE_NUNITS. + * tree-vect-transform.c (vect_get_vec_def_for_operand, + (vectorizable_load, vect_transform_loop): Likewise. + +2005-04-11 Uros Bizjak + + * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL) + (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New. + * optabs.h (enum optab_index): Add new OTI_lceil. + (lceil_optab): Define corresponding macro. + * optabs.c (init_optabs): Initialize lceil_optab. + * genopinit.c (optabs): Implement lceil_optab using lceilsi2 + and lceildi2 patterns. + * builtins.c (expand_builtin_int_roundingfn): Handle + BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}. + (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and + BUILT_IN_LLCEIL{,F,L}. + (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and + BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn. + (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL. + (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and + BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn. + * convert.c (convert_to_integer): Convert (long int)ceil{,f,l}, + into lceil built-in function and (long long int)ceil{,f,l} into + llceil built-in function. + * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and + BUILT_IN_LLCEIL. + +2005-04-10 John David Anglin + + * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from + zero. + +2005-04-10 Kazu Hirata + + * config/arm/arm.c: Fix a comment typo. + * doc/tree-ssa.texi: Fix a typo. + +2005-04-10 Steven Bosscher + + * cselib.c (clear_table): Rename to cselib_clear_table. + * cselib.h (cselib_clear_table): Add prototype. + * gcse.c (gcse_main): Make 'f' argument unused. + (alloc_gcse_mem): Do not walk the insn chain, walk the contents + of each basic block instead. + (compute_sets, compute_hash_table_work): Likewise. + (constprop_register): Change int 'alter_jumps' argument to bool. + (do_local_cprop): Likewise. + (local_cprop_pass): Likewise. Also walk basic blocks instead of + the insn chain. Explicitly clear the cselib tables after finishing + one basic block. Make sure there are no unterminated libcall blocks. + Update compute_sets call. + (cprop): Walk basic blocks instead of the insn chain. + (one_cprop_pass, compute_ld_motion_mems, compute_store_table): + Likewise. + (bypass_jumps): Update alloc_gcse_mem, compute_sets, and + one_cprop_pass calls. + +2005-04-10 Richard Sandiford + + * combine.c (combine_simplify_rtx): Remove a transformation that + relies on an invalid assumption about rtl sign-extension semantics. + +2005-04-10 Richard Sandiford + + * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments + to build_int_cst_wide. + +2005-04-09 Alexandre Oliva + + PR target/20126 + * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed, + set the original address pseudo to the correct value before the + original insn, if possible, and leave the insn alone, otherwise + create a new pseudo, set it and replace it in the insn. + * recog.c (validate_change_maybe_volatile): New. + * recog.h (validate_change_maybe_volatile): Declare. + +2005-04-09 Caroline Tice + + * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges): + Remove targetm.have_named_sections test. + (fix_edges_for_rarely_executed_code): Likewise. + (insert_section_boundary_note): Likewise. + (reorder_basic_blocks): Check partitioning flag before calling + verify_hot_cold_block_grouping. + * dbxout.c (dbxout_function_end): Get hot/cold section labels from + the function struct rather than global variables. + * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro. + (COLD_END_LABEL): Likewise + (cold_text_section_label): New static global variable. + (cold_end_label): Likewise. + (dwarf2out_switch_text_section): Get hot/cold section labels from + the function struct rather than global variables. + (output_aranges): Use cold_text_section_label and cold_end_label; + check partitioning flag before putting out delta. + (output_ranges): Remove incorrect code attempting to use + hot/cold labels. + (output_line_info): Get cold section label from function struct. + (add_location_or_const_value_attribute): Likewise. + (get_subprogram_die): Get hot/cold section labels from function struct. + (dwarf2out_var_location): Likewise. + (dwarf2out_init): Generate cold_text_section_label and cold_end_label; + write out cold_text_section_label if partition flag is set. + (dwarf2out_finish): Write out cold_end_label if partition flag is set; + * function.h (struct function): Add new fields to point to hot/cold + section labels: hot_section_label, cold_section_label, + hot_section_end_label and cold_section_end_label; also add new field + for cold text section name, unlikely_text_section_name. + * opts.c (decode_options): Turn off partitioning flag if + !targetm.have_named_sections. + * output.h (hot_section_label): Remove. + (hot_section_end_label): Remove. + (cold_section_end_label): Remove. + (unlikely_section_label): Remove. + (unlikely_text_section_name): Remove. + * passes.c (rest_of_handle_final): Remove code that frees + unlikely_text_section_name. + * varasm.c (unlikely_section_label): Remove. + (hot_section_label): Remove. + (hot_section_end_label): Remove. + (cold_section_end_label): Remove. + (unlikely_text_section_name): Remove. + (initialize_cold_section_name): Modify to call + targetm.strip_name_encoding; to store cold section name in current + function struct, if it exists; and to only use the decl_section_name + if flag_named_sections is true. + (unlikely_text_section): Modify to get section name out of current + function struct, if there is one; otherwise build it from + UNLIKELY_EXECUTED_TEXT_SECTION_NAME. + (in_unlikely_text_section): Likewise. + (named_section): Modify to get/put cold section name in current function + struct, if there is one. + (function_section): Change 'bool unlikely' to 'int reloc'; check + targetm.have_named_sections before calling named_section. + (current_function_section): Likewise. + (assemble_start_function): Modify to get/put unlikely_text_section_name + in current function struct; modify to get hot/cold section labels + from function struct; initialize labels using + ASM_GENERATE_INTERNAL_LABEL; + test partitioning flag before writing out hot section label. + (assemble_end_function): Test partitioning flag before writing out + hot/cold section labels. + (default_section_type_flags_1): Modify to use array instead of + char* for unlikely_text_section_name; set flags correctly for + cold text section if there is not a current function decl. + +2005-04-09 Jakub Jelinek + + * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD + and TI_VA_LIST_FPR_COUNTER_FIELD. + (va_list_gpr_counter_field, va_list_fpr_counter_field): Define. + * tree-pass.h (pass_stdarg): Add. + * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg. + * tree-stdarg.c: New file. + * tree-stdarg.h: New file. + * Makefile.in (OBJS-common): Add tree-stdarg.o. + (tree-stdarg.o): Add dependencies. + * function.h (struct function): Add va_list_gpr_size and + va_list_fpr_size fields. + * function.c (allocate_struct_function): Initialize them. + * target.h (struct gcc_target): Add stdarg_optimize_hook. + * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define. + (TARGET_INITIALIZER): Add it. + + * config/i386/i386.c (ix86_build_builtin_va_list): Initialize + va_list_{g,f}pr_counter_field. + (ix86_setup_incoming_varargs): Don't do anything if reg_save + area will not be used. Only save registers that tree-stdarg.c + detected they need saving. + (ix86_va_start): Don't set up fields that won't be used. + + * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize + va_list_{g,f}pr_counter_field. + (setup_incoming_varargs): Don't do anything if reg_save + area will not be used. Only save registers that tree-stdarg.c + detected they need saving. + (rs6000_va_start): Don't set up fields that won't be used. + + * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h. + (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field. + (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions. + (TARGET_STDARG_OPTIMIZE_HOOK): Define. + +2005-04-09 Jakub Jelinek + + PR target/20795 + * config/i386/i386.c (construct_container): Pass empty aligned + struct, union or class in memory. + +2005-04-09 Kazu Hirata + + * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c, + tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c, + config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h, + config/rs6000/predicates.md: Fix comment typos. + + * sched-int.h (haifa_insn_data): Remove blockage and units. + (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK, + ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE, + MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove. + +2005-04-09 Jan Hubicka + Steven Bosscher + + * cfglayout.c (copy_bbs): Rename n_edges to num_edges. + * cfgloop.c (get_loop_exit_edges): Likewise. + * cfgloopmanip.c (fix_irreducible_loops): Likewise. + (unloop): Likewise. + * loop-unroll.c (analyze_insns_in_loop): Likewise. + * tree-cfg.c (dump_cfg_status): Likewise. + +2005-04-09 David Edelsohn + + * config/rs6000/predicates.md (altivec_register_operand): Remove + redundant match_code test. + (gpc_reg_operand): Same. + (cc_reg_operand): Same. + (cc_reg_not_cr0_operand): Same. + +2005-04-09 Jan Hubicka + + Forgotten hunk from my last merge patch: + * final.c (output_addr_const): Do not call mark_referenced. + +2005-04-09 Andrew MacLeod + + * doc/tree-ssa.texi: Add immediate use documentation. + +2005-04-09 Richard Earnshaw + + * arm.c (FL_WBUF): Define. + (arm_tune_strongarm): Renamed from arm_is_strong. All uses changed. + (arm_is_6_or_7): Delete. + (arm_tune_wbuf): New. + (arm_override_options): Set arm_tune_wbuf. + * arm.h (arm_tune_strongarm): Renamed from arm_is_strong. + (arm_is_6_or_7): Delete declaration. + (arm_tune_wbuf): New declartion. + * arm.md (is_strongarm): Derive from arm_tune_strongarm. + (model_wbuf): Derive from arm_tune_wbuf. + * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710) + (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t) + (arm740t): Mark CPUs as having a write buffer. + +2005-04-09 Uros Bizjak + + * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead + of 'const_double_operand' in operand 2 constraints. Update enable + condition. + +2005-04-09 Uros Bizjak + + * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL) + (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New. + * optabs.h (enum optab_index): Add new OTI_lfloor. + (lfloor_optab): Define corresponding macro. + * optabs.c (init_optabs): Initialize lfloor_optab. + * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2 + and lfloordi2 patterns. + * builtins.c (expand_builtin_int_roundingfn): New prototype. + (expand_builtin_int_roundingfn): New function. + (fold_builtin_int_roundingfn): New prototype. + (fold_builtin_int_roundingfn): New function, renamed from + fold_builtin_lround. + Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and + BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}. + (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and + BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn. + (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR. + (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and + BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn. + * convert.c (convert_to_integer): Convert (long int)floor{,f,l}, + into lfloor built-in function and (long long int)floor{,f,l} into + llfloor built-in function. + * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and + BUILT_IN_LLFLOOR. + +2005-04-08 Ian Lance Taylor + + * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT, + CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def. + * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h. + (DO_COND, DO_BODY): Likewise. + (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise. + (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise. + (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT, + BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT. + (build_continue_stmt, build_break_stmt): Don't declare. + (c_do_switch_warnings): Update declaration. + * c-gimplify.c (enum bc_t): Remove. + (struct c_gimplify_ctx, ctxp): Remove. + (push_context, pop_context): Remove static functions. + (c_genericize): Don't call push_context or pop_context. + (begin_bc_block, finish_bc_block): Remove static functions. + (build_bc_goto): Likewise. + (gimplify_c_loop): Likewise. + (gimplify_for_stmt, gimplify_while_stmt): Likewise. + (gimplify_do_stmt, gimplify_switch_stmt): Likewise. + (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT, + DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT. + * c-common.c (c_do_switch_warnings): Rename from + c_do_switch_warnings_1. + (c_do_switch_warnings) [old version]: Remove. + (c_do_switch_expr_warnings): Remove. + * c-typeck.c (c_finish_case): Call new c_do_switch_warnings + function instead of c_do_switch_expr_warnings. + * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT, + CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT. + * c-pretty-print.c (pp_c_statement): Likewise. + * c-semantics.c (build_break_stmt, build_continue_stmt): Remove. + +2005-04-08 Devang Patel + + * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop. + While selecting replacement condition pay attention to loop header. + +2005-04-08 Diego Novillo + + Merge from tree-cleanup-branch: VRP, store CCP, store + copy-prop, incremental SSA updating of FUD chains and + newly exposed symbols. + + * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h. + (OBJS-common): Add tree-vrp.o. + (tree-vrp.o): New rule. + * basic-block.h (nearest_common_dominator_for_set): Declare. + * common.opt (ftree-store-ccp): New flag. + (ftree-copy-prop): New flag. + (ftree-vrp): New flag. + (ftree-store-copy-prop): New flag. + * dominance.c (nearest_common_dominator_for_set): New. + * domwalk.c (walk_dominator_tree): Only traverse + statements in blocks marked in walk_data->interesting_blocks. + * domwalk.h (struct dom_walk_data): Add field interesting_blocks. + * fold-const.c (fold): Handle ASSERT_EXPR. + * opts.c (decode_options): Set flag_tree_copy_prop at -O1. + Set flag_tree_store_ccp, flag_tree_store_copy_prop and + flag_tree_vrp at -O2. + * timevar.def (TV_TREE_VRP): Define. + (TV_TREE_COPY_PROP): Define. + (TV_TREE_STORE_COPY_PROP): Define. + (TV_TREE_SSA_INCREMENTAL): Define. + (TV_TREE_STORE_CCP): Define. + * tree-cfg.c (tree_can_merge_blocks_p): Remove reference + to kill_redundant_phi_nodes from comment. + (verify_expr): Handle ASSERT_EXPR. + * tree-dfa.c (mark_new_vars_to_rename): Remove second + argument. Update all users. + (mark_call_clobbered_vars_to_rename): Remove. Update all + users. + * tree-flow-inline.h (unmodifiable_var_p): New. + * tree-flow.h (enum value_range_type): Declare. + (struct value_range_def): Declare. + (value_range): Declare. + (remove_all_phi_nodes_for): Remove. Update all users. + (find_phi_node_for): Declare. + (add_type_alias): Declare. + (count_uses_and_derefs): Declare. + (kill_redundant_phi_nodes): Remove. + (rewrite_into_ssa): Remove. + (rewrite_def_def_chains): Remove. + (update_ssa, register_new_name_mapping, create_new_def_for, + need_ssa_update_p, name_registered_for_update_p, + release_ssa_name_after_update_ssa, dump_repl_tbl, + debug_repl_tbl, dump_names_replaced_by, + debug_names_replaced_by, mark_sym_for_renaming, + mark_set_for_renaming, get_current_def, set_current_def, + get_value_range, dump_value_range, debug_value_range, + dump_all_value_ranges, debug_all_value_ranges, + expr_computes_nonzero, loop_depth_of_name, + unmodifiable_var_p): Declare. + * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle + ASSERT_EXPR. + * tree-into-ssa.c (block_defs_stack): Update comment. + (old_ssa_names, new_ssa_names, old_virtual_ssa_names, + syms_to_rename, names_to_release, repl_tbl, + need_to_initialize_update_ssa_p, need_to_update_vops_p, + need_to_replace_names_p): New locals. + (NAME_SETS_GROWTH_FACTOR): Define. + (struct repl_map_d): Declare. + (struct mark_def_sites_global_data): Add field + interesting_blocks. + (enum rewrite_mode): Declare. + (REGISTER_DEFS_IN_THIS_STMT): Define. + (compute_global_livein): Use last_basic_block instead of + n_basic_blocks. + (set_def_block): Remove last argument. Update all callers. + (prepare_use_operand_for_rename): Remove. Update all callers. + (prepare_def_operand_for_rename): Remove. Update all callers. + (symbol_marked_for_renaming): New. + (is_old_name): New. + (is_new_name): New. + (repl_map_hash): New. + (repl_map_eq): New. + (repl_map_free): New. + (names_replaced_by): New. + (add_to_repl_tbl): New. + (add_new_name_mapping): New. + (mark_def_sites): Assume that all the operands in the + statement are in normal form. + (find_idf): Assert that the block in the stack is valid. + (get_default_def_for): New. + (insert_phi_nodes_for): Add new argument 'update_p'. + Add documentation. + If update_p is true, add a new mapping between the LHS of + each new PHI and the name that it replaces. + (insert_phi_nodes_1): Only call find_idf if needed. + (get_reaching_def): Call get_default_def_for. + (rewrite_operand): Remove. + (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT + and REWRITE_THIS_STMT are false. + Assume that all the operands in the statement are in + normal form. + (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN. + (rewrite_virtual_phi_arguments): Remove. + (invalidate_name_tags): Remove. + (register_new_update_single, register_new_update_set, + rewrite_update_init_block, replace_use, + rewrite_update_fini_block, rewrite_update_stmt, + rewrite_update_phi_arguments): New. + rewrite_blocks): Remove argument 'fix_virtual_phis'. + Add arguments 'entry', 'what' and 'blocks'. + Initialize the dominator walker according to 'what' and + 'blocks'. + Start the dominator walk at 'entry'. + (mark_def_site_blocks): Add argument 'interesting_blocks'. + Use it to configure the dominator walker. + (rewrite_into_ssa): Remove argument 'all'. + Make internal. + (rewrite_all_into_ssa): Remove. + (rewrite_def_def_chains): Remove. + (mark_def_interesting, mark_use_interesting, + prepare_phi_args_for_update, prepare_block_for_update, + prepare_def_site_for, prepare_def_sites, + dump_names_replaced_by, debug_names_replaced_by, + dump_repl_tbl, debug_repl_tbl, init_update_ssa, + delete_update_ssa, create_new_def_for, + register_new_name_mapping, mark_sym_for_renaming, + mark_set_for_renaming, need_ssa_update_p, + name_registered_for_update_p, ssa_names_to_replace, + release_ssa_name_after_update_ssa, + insert_updated_phi_nodes_for, update_ssa): New. + * tree-loop-linear.c (linear_transform_loops): Call + update_ssa instead of rewrite_into_ssa. + * tree-optimize.c (vars_to_rename): Remove. + Update all users. + (init_tree_optimization_passes): Replace + pass_redundant_phi with pass_copy_prop. + Add pass_vrp. + Replace pass_ccp with pass_store_ccp. + Add pass_store_copy_prop after pass_store_ccp. + (execute_todo): If the TODO_ flags don't include updating + the SSA form, assert that it does not need to be updated. + Call update_ssa instead of rewrite_into_ssa and + rewrite_def_def_chains. + If TODO_verify_loops is set, call verify_loop_closed_ssa. + (tree_rest_of_compilation): + * tree-pass.h (TODO_dump_func, TODO_ggc_collect, + TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts, + TODO_cleanup_cfg): Renumber. + (TODO_verify_loops, TODO_update_ssa, + TODO_update_ssa_no_phi, TODO_update_ssa_full_phi, + TODO_update_ssa_only_virtuals): Define. + (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp): + Declare. + * tree-phinodes.c (make_phi_node): Update documentation. + (remove_all_phi_nodes_for): Remove. + (find_phi_node_for): New. + * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR. + * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise. + (interpret_rhs_modify_expr): Likewise. + * tree-sra.c (decide_instantiations): Mark all symbols in + SRA_CANDIDATES for renaming. + (mark_all_v_defs_1): Rename from mark_all_v_defs. + (mark_all_v_defs): New function. Update all users to call it + with the whole list of scalarized statements, not just the + first one. + * tree-ssa-alias.c (count_ptr_derefs): Make extern. + (compute_flow_insensitive_aliasing): If the tag is + unmodifiable and the variable isn't or vice-versa, don't + make them alias of each other. + (setup_pointers_and_addressables): If the type tag for + VAR is about to change, mark the old one for renaming. + (add_type_alias): New. + * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP. + (ccp_lattice_t): Rename from latticevalue. + (value): Remove. Update all users. + (const_val): New local variable. + (do_store_ccp): New local variable. + (dump_lattice_value): Handle UNINITIALIZED. + (debug_lattice_value): New. + (get_default_value): Re-write. + (set_lattice_value): Re-write. + (def_to_varying): Remove. Update all users. + (likely_value): Return VARYING for statements that make + stores when STORE_CCP is false. + Return VARYING for any statement other than MODIFY_EXPR, + COND_EXPR and SWITCH_EXPR. + (ccp_initialize): Re-write. + (replace_uses_in, replace_vuse_in, substitute_and_fold): + Move to tree-ssa-propagate.c. + (ccp_lattice_meet): Handle memory stores when + DO_STORE_CCP is true. + (ccp_visit_phi_node): Likewise. + (ccp_fold): Likewise. + (evaluate_stmt): Likewise. + (visit_assignment): Likewise. + (ccp_visit_stmt): Likewise. + (execute_ssa_ccp): Add argument 'store_ccp'. Copy it + into DO_STORE_CCP. + (do_ssa_ccp): New. + (pass_ccp): Use it. + (do_ssa_store_ccp): New. + (gate_store_ccp): New. + (pass_store_ccp): Declare. + * tree-ssa-copy.c: Include tree-ssa-propagate.h. + (may_propagate_copy): Reformat. + Don't abort if ORIG is a virtual and DEST isn't. + If NEW does not have alias information but DEST does, + copy it. + (copy_of, cached_last_copy_of, do_store_copy_prop, enum + copy_prop_kind, which_copy_prop): Declare. + (stmt_may_generate_copy, get_copy_of_val, + get_last_copy_of, set_copy_of_val, dump_copy_of, + copy_prop_visit_assignment, copy_prop_visit_cond_stmt, + copy_prop_visit_stmt, copy_prop_visit_phi_node, + init_copy_prop, fini_copy_prop, execute_copy_prop, + gate_copy_prop, do_copy_prop, gate_store_copy_prop, + store_copy_prop): New. + (pass_copy_prop, pass_store_copy_prop): Declare. + * tree-ssa-dom.c (struct opt_stats_d): Add fields + 'num_const_prop' and 'num_copy_prop'. + (cprop_operand): Update them. + (dump_dominator_optimization_stats): Dump them. + (tree_ssa_dominator_optimize): Call update_ssa instead of + rewrite_into_ssa. + (loop_depth_of_name): Declare extern. + (simplify_cond_and_lookup_avail_expr): Guard against NULL + values for LOW or HIGH. + (cprop_into_successor_phis): Only propagate if NEW != ORIG. + (record_equivalences_from_stmt): Call expr_computes_nonzero. + (cprop_operand): Only propagate if VAL != OP. + * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed + statement for renaming. + * tree-ssa-loop-im.c (move_computations): Call update_ssa. + * tree-ssa-loop-ivopts.c (rewrite_address_base): Call + add_type_alias if necessary. + Call mark_new_vars_to_rename. + (tree_ssa_iv_optimize): If new symbols need to be renamed, + mark every statement updated, call update_ssa and + rewrite_into_loop_closed_ssa. + * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB + from LIVEIN if VAR is a virtual. + * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa. + * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR. + (get_call_expr_operands): Reformat statement. + (add_stmt_operand): Don't create V_MAY_DEFs for read-only + symbols. + * tree-ssa-propagate.c (ssa_prop_init): Initialize + SSA_NAME_VALUE for every name. + (first_vdef, stmt_makes_single_load, stmt_makes_single_store, + get_value_loaded_by): New. + (replace_uses_in, replace_vuses_in, replace_phi_args_in, + substitute_and_fold): Move from tree-ssa-ccp.c. + * tree-ssa-propagate.h (struct prop_value_d, prop_value_t, + first_vdef, stmt_makes_single_load, stmt_makes_single_store, + get_value_loaded_by, replace_uses_in, substitute_and_fold): + Declare. + * tree-ssa.c (verify_use): Fix error message. + (propagate_into_addr, replace_immediate_uses, get_eq_name, + check_phi_redundancy, kill_redundant_phi_nodes, + pass_redundant_phi): Remove. Update all users. + * tree-vect-transform.c (vect_create_data_ref_ptr): Call + add_type_alias, if necessary. + * tree-vectorizer.h (struct _stmt_vect_info): Update + documentation for field 'memtag'. + * tree-vrp.c: New file. + * tree.def (ASSERT_EXPR): Define. + * tree.h (ASSERT_EXPR_VAR): Define. + (ASSERT_EXPR_COND): Define. + (SSA_NAME_VALUE_RANGE): Define. + (struct tree_ssa_name): Add field 'value_range'. + (PHI_REWRITTEN): Remove. + (struct tree_phi_node): Remove field 'rewritten'. + * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop, + -ftree-store-copy-prop): Document. + * doc/tree-ssa.texi: Remove broken link to McCAT's compiler. + Document usage of update_ssa. + +2005-04-08 David Edelsohn + + PR target/20814 + * config/rs6000/predicates.md (altivec_register_operand): Accept + SUBREG. + (and64_operand): Do not limit CONST_INT to mask64_operand. + (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand. + (and_operand): Do not limit CONST_INT to mask_operand. + +2005-04-09 Hans-Peter Nilsson + + PR rtl-optimization/20466 + * flow.c (invalidate_mems_from_set): Handle a MEM by checking it + for overlap of the address of each list member. + (mark_set_1): Call invalidate_mems_from_set for MEMs too. + +2005-04-08 Mike Stump + + * config/darwin.c (indirect_data): Fix typo in strncmp logic. + + * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops, + instead of 4. + +2005-04-08 Kazu Hirata + + * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove. + + * function.c (push_function_context_to): Don't set + contains_functions. + * function.h (function): Remove contains_functions. + (current_function_contains_functions): Remove. + + * function.h (function): Remove instrument_entry_exit. + (current_function_instrument_entry_exit): Remove. + + * function.h (nonlocal_labels): Remove. + + * tree.h (STRIP_MAIN_TYPE_NOPS): Remove. + + * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p. + (check_attr_value, write_attr_get, write_expr_attr_cache, + find_attr, make_internal_attr): Don't reference negative_ok or + unsigned_p. + * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED, + ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove. + (ATTR_STATIC): Adjust the value. + + * c-common.h (C_ARTIFICIAL_STRING_P): Remove. + +2005-04-08 Ulrich Weigand + + * config/s390/tpf.h (ASM_SPEC): Define. + +2005-04-08 Kazu Hirata + + * tree-flow.h: Remove the prototype for + redirect_immediate_uses. + (TDFA_USE_OPS, TDFA_USE_VOPS): Remove. + +2005-04-08 Richard Earnshaw + + * arm.c (arm_const_double_by_parts): New function. + * arm-protos.h (arm_const_double_by_parts): Add prototype. + * arm.md (define_split for 64-bit constants): Add another one. + +2005-04-08 Andrew MacLeod + + * tree-ssa-operands.c (correct_use_link): Remove linear scan. + +2005-04-08 Kaveh R. Ghazi + + * system.h: Revert last change. + +2005-04-08 Richard Sandiford + + * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD) + (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16) + (TARGET_SWITCHES): Delete. + * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define. + * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check + TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD. + * config/xtensa/xtensa.opt: New file. + +2005-04-08 Ben Elliston + + * config/fp-bit.c: Include L_mul_tf in #endif comment. + * config/fp-bit.h: Tidy comments. + +2005-04-07 Kaveh R. Ghazi + + * system.h: Poison PARAMS. + +2005-04-07 Richard Sandiford + + * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT) + (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT) + (TARGET_SWITCHES): Delete. + * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default. + * config/vax/vax.opt: New file. + +2005-04-07 Daniel Berlin + + * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment. + +2005-04-07 Ian Lance Taylor + + * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't + define. + * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise. + * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): + Likewise. + +2005-04-07 Kazu Hirata + + * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider + all immediate uses in PHI nodes. + +2005-04-07 Richard Earnshaw + + * arm.c (arm_const_double_inline_cost): Handle any constant by + using gen_lowpart and gen_highpart_mode. + (note_invalid_constants): All constants in an RTX with a constraint + that permits memory are now pushed to the constant pool. + (output_move_double): Delete code to handle reg to reg and + constant to reg moves. + (const_double_needs_minipool, output_mov_immediate): Delete. + * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle + CONST_INT and CONST_VECTOR. + * arm.md (ANY64): New mode macro. + (arm_movdi): Split reg-reg and const-reg moves. Simplify constraints. + (movdf_soft_insn): Split reg-reg and const-reg moves. + (split patterns for 64-bit constant and register moves): New. + * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves. + (cirrus_movdf_hard_insn): Likewise. + * fpa.md (movdf_fpa): Likewise. + * iwmmxt.md (iwmmxt_arm_movdi): Likewise. + (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix + constraints. + (movv2si_internal_2): Likewise. + * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves. + (movdf_vfp): Likewise. + * arm-protos.h (output_mov_immediate): Delete prototype. + +2005-04-07 Joseph S. Myers + + PR target/20093 + * simplify-rtx.c (simplify_unary_operation_1): Check + SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension. + +2005-04-06 James E Wilson + + PR target/20717 + * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as + ADDR_EXPR. + +2004-04-06 Richard Sandiford + + * coverage.h (GCOV_TYPE_NODE): Delete. + * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref) + (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE. + * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler) + (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise. + * value-prof.c (tree_divmod_fixed_value_transform): Delete. + +2004-04-06 Richard Sandiford + + PR other/20792 + * Makefile.in (gcc.pot): Remove options.c dependency. + * optc-gen.awk: Don't quote help strings with N_(). + +2005-04-06 James A. Morrison + + * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if + the function returns a pointer type. + +2005-04-06 Daniel Berlin + + * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New + * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New + * doc/invoke.texi: Documnet salias-max-implicit-fields. + * tree-ssa-alias.c (struct used_part): Add implicit_uses and + explicit_uses members. + (get_or_create_used_part_for): Initialize new fields. + (fieldoff_compare): New function. + (create_overlap_variables_for): Count number of fields, use + heuristic to determine whether to create subvars for vars with + only implicit uses. + Sort the field list by offset and avoid creating duplicate SFT's. + +2005-04-06 Richard Sandiford + + * c.opt (-F): Remove trailing whitespace from help string. + (-finput-charset): Use a tab to separate the switch name and help + string. + * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep) + (-ftree-vectorizer-verbose): Likewise. + +2005-04-06 Kazu Hirata + + * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at + a PHI argument where a use occurs instead of all PHI arguments. + +2005-04-06 Joseph S. Myers + + * c-decl.c (finish_decl): Apply pending #pragma weak regardless of + scope. + +2005-04-06 Kazu Hirata + + * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c, + tree-ssa-sink.c, tree.h, config/bfin/bfin.c, + config/bfin/bfin.h: Fix comment typos. + +2005-04-06 Ranjit Mathew + + * doc/install.texi: Update the URL for Jacks. + * doc/sourcebuild.texi: Likewise. + +2005-04-06 Eric Botcazou + + PR target/17245 + * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'. + Revert 2004-10-08 patch. Reject TFmode LO_SUM in 32-bit mode. + +2005-04-06 Kelley Cook + + * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change. + +2005-04-06 Richard Sandiford + + * config/v850/v850-protos.h (override_options): Delete. + * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP) + (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E) + (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT) + (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS) + (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850) + (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET) + (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS) + (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS) + (OVERRIDE_OPTIONS): Delete. + (MASK_CPU): Redefine as MASK_V850 | MASK_V850E. + (small_memory_info): Remove the value field. + (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than + TARGET_NO_APP_REGS. + * config/v850/v850.c (small_memory): Remove the value field. + (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults. + (override_options): Delete. + (v850_handle_memory_option, v850_handle_option): New functions. + * config/v850/v850.opt: New file. + +2005-04-06 Geoffrey Keating + + * config.host: Add a section for generic hosts, and a subsection + for Darwin. Add a case for x86-darwin. Update ppc-darwin case. + * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c. + * config/host-darwin.h: New. + * config/x-darwin: New. + * config/i386/host-i386-darwin.c: New. + * config/i386/x-darwin: New. + * config/rs6000/host-darwin.c: Include host-darwin.h. + (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c. + (darwin_rs6000_gt_pch_use_address): Likewise. + * config/rs6000/x-darwin: Change name of .o built, update + dependencies for changes to rs6000/host-darwin.c. + +2005-04-06 Ralf Corsepius + + PR target/17824 + * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove. + +2005-04-06 Dorit Naishlos + + * tree-vect-analyze.c (vect_analyze_loop_form): Call + split_loop_exit_edge instead of loop_split_edge_with. + +2005-04-06 Paolo Bonzini + + * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS, + UNSPEC_SET_VSCR): New constants, used throughout. + (*andc3_v4sf): New. + (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw): + Replace with... + (altivec_vspltis): ... this pattern, using + a QImode const_int_operand for the immediate. + (abs2, absv4sf2, altivec_abss_): Rewrite as + define_expands. + +2005-04-06 Ralf Corsepius + + PR target/17822 + * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove. + +2005-04-06 Kelley Cook + + * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe. + +2005-04-06 Ben Elliston + + * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and + DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these + macros as living in "this file" and not gcc.h. + +2005-04-06 Ben Elliston + + * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not + -ftree-live_range_split. Perhaps renamed at some point? + +2005-04-06 Zdenek Dvorak + + PR target/20625 + * tree-ssa-loop-ivopts.c (generic_type_for): New function. + (add_candidate_1): Use generic_type_for instead of unsigned_type_for. + +2005-04-06 Zdenek Dvorak + + * tree-flow.h (number_of_iterations_cond): Declaration removed. + * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static. + (number_of_iterations_special): New function. + (number_of_iterations_exit): Use number_of_iterations_special. + Use simplify_using_outer_evolutions only at -O3. + (number_of_iterations_cond, tree_simplify_using_condition, + simplify_using_initial_conditions, loop_niter_by_eval, + compare_trees, can_count_iv_in_wider_type_bound, + simplify_using_outer_evolutions): Use fold_build. + +2005-04-05 Thomas Fitzsimmons + + * doc/install.texi (Configuration): Document --with-java-home. + +2005-04-05 Richard Henderson + + PR target/20342 + PR target/20447 + * config/i386/i386.c (print_operand): Handle vector zeros. + (ix86_split_to_parts): Handle CONST_VECTOR. + (ix86_hard_regno_mode_ok): Allow MMX modes in general regs. + (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide + what modes to tie for MMX and SSE registers. + * config/i386/i386.h (MMX_REG_MODE_P): Remove. + * config/i386/i386.md: Extend move 0 -> xor peephole to apply + to vector modes as well. + * config/i386/predicates.md (const0_operand): Handle VOIDmode + properly as an input mode. + +2005-04-05 Andrew MacLeod + + * tree-ssa-operands.c (verify_abort): Use %p for pointers. + +2005-04-05 Andrew MacLeod + + * tree-pretty-print.c (dump_generic_node): Use %p for pointer. + +2005-04-05 Jakub Jelinek + + * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse + and local functions, set sse_nregs to 8 and float_in_sse. + (function_arg_advance, function_arg): If float_in_sse, pass + SFmode and DFmode arguments in SSE registers. + * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field. + + * config/i386/i386.c (ix86_value_regno): Only optimize local functions + of -funit-at-a-time. + +2005-04-05 Paolo Bonzini + + * config/i386/i386-protos.h (ix86_function_value): Accept two + arguments, like the target macro. + * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments. + * config/i386/i386.c (ix86_function_value): Accept the second + argument of the target macro. + (ix86_function_ok_for_sibcall): Pass a function pointer to + ix86_function_value. + (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust + call to ix86_value_regno). + (ix86_value_regno): Add support for returning floating point values + in SSE registers. + +2005-04-05 Jakub Jelinek + + PR tree-optimization/20076 + * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions + that call __builtin_return or __builtin_apply_args. + +2005-04-05 Andrew MacLeod + + * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt. + Use immediate use iterator. + (stmt_is_bumper_for_loop): Use immediate use iterator. + * predict.c (strip_builtin_expect): Use update_stmt. + * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified + on all elements of a STATEMENT_LIST. + (bsi_insert_before, bsi_insert_after): Call update_modified_stmts. + (bsi_remove): Remove imm_use links and mark the stmt as modified. + (bsi_replace): Mark stmt as modified and the update it. + * tree-complex.c (update_complex_assignment): Call mark_stmt_modified. + (expand_complex_libcal): Call update_stmt. + (expand_complex_comparison): Call mark_stmt_modified. + (expand_complex_operations_1): Call update_stmt_if_modified. + (expand_vector_operations_1): Call mark_stmt_modified. + * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df, + compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt, + add_immediate_use, redirect_immediate_use, + redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses, + dump_immediate_uses_for, debug_immediate_uses_for): Delete. + (mark_new_vars_to_rename): Call update_stmt. + * tree-dump.c (dump_option_value_in): Add "stmtaddr". + * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified. + Ignore PHI nodes. + (unmodify_stmt): Delete. + (update_stmt): New. Force an update of a stmt. + (update_stmt_if_modified): update a stmt if it is out of date. + (get_stmt_operands): Verify stmt is NOT modified. + (stmt_modified_p): Update comment. + (delink_imm_use): Remove a use node from its immuse list. + (link_imm_use_to_list): Link a use node to a specific list. + (link_imm_use): Link a node to the correct list. + (set_ssa_use_from_ptr): Set a use node to a specific value, and insert + it in the correct list, if appropriate. + (link_imm_use_stmt): Link a use node, and set the stmt pointer. + (relink_imm_use): Link a use node in place of another node in a list. + (relink_imm_use_stmt): LInk a node in place of another node, and set + the stmt pointer. + (end_safe_imm_use_traverse): New. Terminate a safe immuse iterator. + (end_safe_imm_use_p): New. Check for the end of a safe immuse iterator. + (first_safe_imm_use): New. Initialize a safe immuse iterator. + (next_safe_imm_use): New. Proceed to next safe immuse iterator value. + (end_readonly_imm_use_p): New. Check for end of a fast immuse iterator. + (first_readonly_imm_use): New. Initialize a fast immuse iterator. + (next_readonly_imm_use): New. Get the next fast immuse iterator value. + (has_zero_uses): New. Return true if there are no uses of a var. + (has_single_use): New. Return true if there is only a single use of a + variable. + (single_imm_use): New. Return the simgle immediate use. + (num_imm_uses): New. Return the number of immediate uses. + (get_v_must_def_ops): Use is now a pointer. + (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr, + get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of + the use node. + (get_immediate_uses, num_immediate_uses, immediate_use): Delete. + (delink_stmt_imm_use): Delink all immuses from a stmt. + (phi_arg_index_from_use): New. Return a phi arg index for a use. + * tree-flow.h (struct dataflow_d): Delete. + (immediate_use_iterator_d): New. Immediate use iterator struct. + (FOR_EACH_IMM_USE_FAST): New. Macro for read only immuse iteration. + (FOR_EACH_IMM_USE_SAFE): New. Macro for write-safe immuse iteration. + (BREAK_FROM_SAFE_IMM_USE): New. Macro for earlyu exit from write-safe + iteration. + (struct stmt_ann_d): Remove dataflow_t from struct. + * tree-if-conv.c (tree_if_conversion). Don't call free_df. + (if_convertible_phi_p): Use FAST immuse iterator. + (if_convertible_loop_p): Don't call compute_immediate_uses. + (replace_phi_with_cond_modify_expr): Call update_stmt. + * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call + update_stmt_if_modified. + (rewrite_all_into_ssa): Initialize ssa operands. + * tree-loop-linear.c (linear_transform_loops): Don't call free_df or + compute_immediate_uses. + * tree-optimize.c (execute_todo): Call verify_ssa whenever the + ssa_property is available. + (execute_one_pass): Change parameters passed to execute_todo. + * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt. + (remove_ssa_form): Call fini_ssa_operands. + (insert_backedge_copies): Delete call to modify_stmt. + * tree-phinodes.c (make_phi_node): Initialize use nodes. + (release_phi_node): Delink any use nodes before releasing. + (resize_phi_node): Relink any use nodes. + (remove_phi_arg_num): Delink the use node. + (remove_phi_node): Release the ssa_name AFTER releasing the phi node. + (remove_all_phi_nodes_for): Release phi node first. + * tree-pretty-print.c (dump_generic_node): Print stmt address. + * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified. + (scalarize_use, scalarize_copy): Call update_stmt. + * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts. + (compute_points_to_and_addr_escape): Call mark_stmt_modified. + * tree-ssa-cpp.c (need_imm_uses_for): Delete. + (ccp_initialize): Remove call to compute_immediate_uses. + (substitute_and_fold, execute_fold_all_builtins): Call update_stmt. + * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified + stmts. + (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified. + (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified. + (eliminate_redundant_computations): Call mark_stmt_modified. + (cprop_operand): Call mark_stmt_modified. + (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified. + * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete. + (dse_optimize_stmt): Use new immuse interface. + (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df. + * tree-ssa-forwprop.c (need_imm_uses_for): Delete. + (substitute_single_use_vars): Use new immuse interface. + (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df + and compute_immediate_uses. + * tree-ssa-loop-im.c (single_reachable_address): Use new immuse + interface. + (rewrite_mem_refs): Call update_stmt. + (determine_lsm): Remove call to compute_imm_uses and free_df. + * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt. + (try_unroll_loop_completely): Call update_stmt. + * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt. + (rewrite_use_compare): Call update_stmt. + (compute_phi_arg_on_exit): Insert each stmt before trying to process. + (rewrite_use) : Call update_stmt. + * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call. + * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call + update_stmt. + * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration. + (allocate_use_optype, allocate_vuse_optype): Adjust allocation size. + (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink + use nodes. + (initialize_vuse_operand): New. Initialize a vuse operand. + (initialize_v_may_def_operand): New. Initialize a maydef operand. + (initialize_v_must_def_operand): New. Initialize a mustdef operand. + (finalize_ssa_defs): Use stmt parameter. + (correct_use_link): Ensure a use node is in the correct list, and has + the correct stmt pointer. + (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses, + finalize_ssa_v_must_defs): Also initialize use nodes. + (finalize_ssa_stmt_operands): Pass extra stmt operands. + (build_ssa_operands): Seperate parsing from final operand construction. + (parse_ssa_operands): New. Parse entry point for operand building. + (swap_tree_operands): New. Swap 2 tree operands. + (update_stmt_operands): Ranamed from get_stmt_operands. Always builds + operands. + (get_expr_operands): Call swap_tree_operands when needed. + (copy_virtual_operands): Use initialize routines for virtual use ops. + (create_ssa_artficial_load_stmt): Add extra stmt parameter. + (verify_abort): New. Issue imm_use error. + (verify_imm_links): New Verify imm_use links for a var. + (dump_immediate_uses_for): New. Dump imm_uses for a var to file. + (dump_immediate_uses): New. Dump imm_uses for all vars to file. + (debug_immediate_uses): New. Dump imm_uses for all vars to stderr. + (debug_immediate_uses_for): New. Dump imm_uses for a var to stderr. + * tree-ssa-operands.h (struct use_operand_ptr): Delete. + (NULL_USE_OPERAND_P) Define. + (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate + use node. + (struct vuse_operand_type): New struct. + (SET_USE): Call set_ssa_use_from_ptr. + (USE_STMT): Define. + (PHI_ARG_INDEX_FROM_USE): Define. + * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi + argument via SET_USE, not PHI_ARG_DEF_TREE. + * tree-ssa-pre.c (eliminate): Call update_stmt. + * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators. Don't + call free_df. + * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator. + (nearest_common_dominator_of_uses): Use imm_use iterator. + (statement_sink_location): Use imm_use iterator and interface. + (execute_sink_code): Don't call compute_immediate_uses or free-df. + * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use + PHI_ARG_DEF, not PHI_ARG_DEF_TREE. + * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info. + (verify_ssa): Ensure no stmt is marked modify after optimization pass + if new parameter is true. + (init_tree_ssa): Don't initialize operand cache here. + (delete_tree_ssa): Don't destroy operand cache here. + (propagate_into_addr): Pass in a use pointer, return true if anything + was changed. + (replace_immediate_uses): Use imm_use iterator, call update_stmt. + (check_phi_redundancy): Use imm_use iterator. + (kill_redundant_phi_nodes): Don't call compute_immediate_uses or + free_df. + * tree-ssanames.c (make_ssa_name): Initialize imm_use node. + (release_ssa_name): Delink node and all elements in its imm_use list. + * tree-tailcall.c (adjust_return_value): Call update_stmt. + * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator. + * tree-vectorizer.c (need_imm_uses_for): Delete. + (vectorize_loops): Dont call compute_immediate_uses or free_df. + * tree.h (struct ssa_imm_use_d): Define. + (SSA_NAME_IMM_USE_NODE): Define. + (struct tree_ssa_name): Add imm_use node. + (PHI_DF): Delete. + (PHI_ARG_IMM_USE_NODE): Define. + (struct phi_arg_d): Add imm_use node. + (struct tree_phi_node): Remove struct dataflow_d element. + (TDF_STMTADDR): Define. + +2005-04-05 Dale Johannesen + + * doc/invoke.texi (Optimization Options): Remove + duplicate -fcse-follow-jumps. Add -fweb. + (-ftree-lim): Fix spelling (-ftree-loop-im, invariants). + (-fivcanon): Fix spelling (-ftree-loop-ivcanon). + +2005-04-05 Per Bothner + + * tree-ssa.c (execute_early_warn_uninitialized): Pass context node + to talk_tree as 'data' parameter, rather than EXPR_LOCUS. + (warn_uninit): Get EXPR_LOCUS from context now instead. + This fixes a USE_MAPPED_LOCATION testsuite failure. + + * tree-ssa.c (warn_uninitialized_var): Remove useless local. + +2005-04-05 Per Bothner + + * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location + of the artification 'return 0' in main() to BUILTINS_LOCATION. + * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION + before warning. + +2004-04-05 Devang Patel + + * config/rs600/altivec.md (altivec_vsr): Rename to .. + (lhsr3): ... new name. + (altivec_vsra): Rename to .. + (ashr3): ... new name. + * config/rs6000/rs6000.c (builtin_description): Rename shift + operations. + +2004-04-05 Paolo Bonzini + + * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use + gen_lowpart_for_combine. + * cse.c (gen_lowpart_if_possible): Move... + * rtlhooks.c (gen_lowpart_if_possible): ... here. Also try + gen_lowpart_SUBREG. + (gen_lowpart_no_emit_general): Use it. + +2005-04-05 Eric Botcazou + + * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before + overriding. + +2005-04-05 Paolo Bonzini + + * system.h: Fix typo. + +2005-04-05 Bernd Schmidt + + * config/bfin/bfin-modes.def: New file. + * config/bfin/bfin-protos.h: New file. + * config/bfin/bfin.c: New file. + * config/bfin/bfin.h: New file. + * config/bfin/bfin.md: New file. + * config/bfin/bfin.opt: New file. + * config/bfin/crti.s: New file. + * config/bfin/crtn.s: New file. + * config/bfin/elf.h: New file. + * config/bfin/lib1funcs.asm: New file. + * config/bfin/predicates.md: New file. + * config/bfin/t-bfin: New file. + * config/bfin/t-bfin-elf: New file. + * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler): + Document new attributes. + (interrupt, interrupt_handler, saveall): Update documentation for + these attributes. + * doc/install.texi (Specific): Add entry for the Blackfin. + * doc/invoke.texi (Blackfin Options): New section. + * doc/md.texi (Blackfin family): New section to document constraints. + * config.gcc: Add bfin*-* and bfin*-elf configurations. + +2005-04-05 Olivier Hainque + + * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to + match what the system unwinder expects. + * config/mips/mips.c (mips_frame_set): If we're saving the return + address register and the dwarf return address column number differs + from the hard register number, adjust the note reg to refer to the + former. + +2004-04-05 Richard Sandiford + + * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare. + * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG) + (TARGET_SWITCHES, TARGET_DEFAULT): Delete. + (processor_type): New enum. + (mn10300_processor): New variable. + (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor. + (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros. + * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete. + (PROCESSOR_DEFAULT): New macro. + * config/mn10300/mn10300.c (mn10300_processor): New variable. + (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults. + (mn10300_handle_option, mn10300_override_options): New functions. + * config/mn10300/mn10300.opt: New file. + +2005-04-05 Eric Botcazou + Sebastian Pop + + PR tree-optimization/19903 + * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants + that don't fit in their type after conversion. + +2005-04-05 Uros Bizjak + + PR target/20421 + * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil) + (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber. + Allocate local stack slots here. Set ix86_optimize_mode_switching. + flag here. Implement using define_insn_and_split. + (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387) + (frndintxf2_mask_pm_i387): New insn patterns. + (floorsf2, floordf2, floorxf2): Remove local stack slot allocations. + Do not set ix86_optimize_mode_switching flag. + (ceilsf2, ceildf2, ceilxf2): Same. + (btruncsf2, btruncdf2, btruncxf2): Same. + (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same. + +2005-04-05 Ian Lance Taylor + + PR debug/9963 + * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to + i386_pe_record_external_function. + (i386_pe_record_external_function): Update declaration. + * config/i386/winnt.c (struct extern_list): Add decl field. + (i386_pe_record_external_function): Add decl parameter. + (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not + identifier. + * config/i386/i386-protos.h (i386_pe_record_external_function): + Update declaration. + +2005-04-05 Kazu Hirata + + * config/m68k/m68k-protos.h: Add a prototype for + valid_dbcc_comparison_p_2. + * config/m68k/m68k.c (not_sp_operand, symbolic_operand, + extend_operator, const_uint32_operand, const_sint32_operand, + general_src_operand, nonimmediate_src_operand, + memory_src_operand, post_inc_operand, pre_dec_operand, + pcrel_address): Move to predicates to predicates.md. + * config/m68k/m68k.h (PREDICATE_CODES): Remove. + * config/m68k/m68k.md: Include predicates.md. + * config/m68k/predicates.md: New. + +2005-04-04 Roger Sayle + + * config/i386/i386.md (*truncdfsf2_i387_1): New pattern. + + * fold-const.c (maybe_lvalue_p): Delete orphaned comment. + +2005-04-04 Ian Lance Taylor + + * c-typeck.c (struct c_switch): Rename switch_stmt field to + switch_expr. + (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT. + (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND. + (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY. + Call c_do_switch_expr_warnings rather than c_do_switch_warnings. + * c-common.c (c_do_switch_warnings_1): New static function broken + out of c_do_switch_warnings. + (c_do_switch_warnings): Call c_do_switch_warnings_1. + (c_do_switch_expr_warnings): New function. + * c-common.h (c_do_switch_expr_warnings): Declare. + +2005-04-04 David Edelsohn + Daniel Jacobowitz + + * tree-eh.c (tree_could_trap_p): Allow non-constant floating point + trapping divide. + * rtlanal.c (may_trap_p): Same. + +2005-04-04 Dale Johannesen + + * ChangeLog: remove reference to ChangeLog.12. + +2005-04-05 Hans-Peter Nilsson + + CRIS epilogue as RTL. + * config/cris/cris.md: Change all 0 in unspec 0 to + CRIS_UNSPEC_PLT. + (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants. + ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New + patterns. + ("return"): Change to define_expand. Call cris_expand_return for + actual expansion. + ("*return_expanded"): New pattern. + ("epilogue"): New define_expand. + * config/cris/cris.h (PREDICATE_CODES): Add + cris_load_multiple_op. + * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec + type. + (enum cris_retinsn_type): New. + (struct machine_function): New member return_type. + (TARGET_ASM_FUNCTION_EPILOGUE): Don't override. + (cris_target_asm_function_epilogue): Remove, moving RTLified + contents to... + (cris_expand_epilogue): New function. + (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p, + (cris_gen_movem_load, cris_load_multiple_op) + (cris_return_address_on_stack_for_return, cris_expand_return): New + functions. + (cris_target_asm_function_prologue) + (cris_initial_frame_pointer_offset): Call + cris_reg_saved_in_regsave_area instead of complicated expression. + Call cris_return_address_on_stack instead of an expression. + (cris_print_operand) : New cases. + (cris_return_address_on_stack): Change return-type to bool. + (cris_simple_epilogue): Ditto. Return false if registers are + saved. + * config/cris/cris-protos.h (cris_simple_epilogue) + (cris_return_address_on_stack): Adjust prototype return type. + (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return) + (cris_return_address_on_stack_for_return): New prototypes. + +2005-04-04 Kazu Hirata + + * config/frv/frv.h (PREDICATE_CODES): Add CONST to + gpr_or_int12_operand. + + * config/frv/frv-protos.h: Add a prototype to + frv_legitimate_memory_operand and frv_const_unspec_p. + (frv_unspec): Move from frv.c. + * config/frv/frv.c (frv_unspec): Move to frv-protos.h. + (frv_const_unspec_p, frv_legitimate_memory_operand_): Export. + (ldd_address_operand, fdpic_fptr_operand, frv_load_operand, + gpr_or_fpr_operand, gpr_or_int12_operand, + gpr_fpr_or_int12_operand, fpr_or_int6_operand, + gpr_or_int10_operand, gpr_or_int_operand, int12_operand, + int6_operand, int5_operand, uint5_operand, uint4_operand, + uint1_operand, int_2word_operand, uint16_operand, + upper_int16_operand, integer_register_operand, + gpr_no_subreg_operand, fpr_operand, even_reg_operand, + odd_reg_operand, even_gpr_operand, odd_gpr_operand, + quad_fpr_operand, even_fpr_operand, odd_fpr_operand, + dbl_memory_one_insn_operand, dbl_memory_two_insn_operand, + move_destination_operand, movcc_fp_destination_operand, + frv_function_symbol_referenced_p, move_source_operand, + condexec_dest_operand, condexec_source_operand, + reg_or_0_operand, lr_operand, fdpic_operand, got12_operand, + const_unspec_operand, gpr_or_memory_operand, + gpr_or_memory_operand_with_scratch, fpr_or_memory_operand, + icc_operand, fcc_operand, cc_operand, icr_operand, + fcr_operand, cr_operand, call_operand, sibcall_operand, + symbolic_operand, relational_operator, + integer_relational_operator, float_relational_operator, + ccr_eqne_operator, minmax_operator, + condexec_si_binary_operator, condexec_si_media_operator, + condexec_si_divide_operator, condexec_si_unary_operator, + condexec_sf_conv_operator, condexec_sf_add_operator, + condexec_memory_operand, intop_compare_operator, acc_operand, + even_acc_operand, quad_acc_operand, accg_operand: Move to + predicates.md. + * config/frv/frv.h (PREDICATE_CODES): Remove. + * config/frv/frv.md: Include predicates.md. + * config/frv/predicates.md: New. + +2004-04-04 Richard Sandiford + + PR target/19537 + * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h. + * tree-ssa-loop-ivopts.c: Include langhooks.h. + (add_standard_iv_candidates_for_size): New function, extracting code + from add_standard_iv_candidates and parameterizing it by type size. + (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size. + +2004-04-04 Richard Sandiford + + * system.h (GCOV_SIZE_TYPE): Unposion. + * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with... + (GCOV_TYPE_SIZE): ...this new macro. + * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare. + * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions. + (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE. + (build_fn_info_type, build_fn_info_value, build_ctr_info_type) + (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t + instead of unsigned_intSI_type_node. + * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler) + (rtl_gen_one_value_profiler_no_edge_manipulation) + (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE. + * value-prof.c: Include coverage.h. + +2005-04-02 Daniel Berlin + Diego Novillo + + Fix PR tree-optimization/20703 + Fix PR tree-optimization/20725 + + * tree-ssa-pre.c (phi_translate): Handle tcc_comparison. + (create_expression_by_pieces): Ditto. + (valid_in_set): Ditto. Also handle tcc_declaration. + (find_or_generate_expression): Handle comparison class. + (insert_into_preds_of_block): Ditto. + (insert_aux): Ditto. + (create_value_expr_from): Handle comparison class, recursively + handle reference nodes. + (compute_avail): Handle comparison classes, rewrite a little cleaner. + (execute_pre): Fix spacing. + (do_fre): Renamed to execute_fre. + +2005-04-04 Eric Botcazou + + * doc/invoke.texi (SPARC options): Document that + -mlittle-endian is not supported on Linux either. + +2005-04-04 Eric Botcazou + + PR target/4198 + PR target/12027 + * config.gcc (Obsolete configurations): Remove + sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*. + (sparclite-*-coff*): Delete. + (sparclite-*-elf*): Likewise. + (sparc86x-*-elf*): Likewise. + (target_cpu_default) : Remove sparc86x. + * config/sparc/lite.h: Delete. + * config/sparc/litecoff.h: Likewise. + * config/sparc/liteelf.h: Likewise. + * config/sparc/sp86x-elf.h: Likewise. + * config/sparc/t-sparclite: Likewise. + * config/sparc/t-sp86x: Likewise. + +2005-04-04 Adrian Straetling + + * config/s390/s390-protos.h: (s390_comparison, + s390_alc_comparison, s390_slb_comparison, const0_operand, + consttable_operand, larl_operand, s_operand, + shift_count_operand, bras_sym_operand, load_multiple_operation, + store_multiple_operation, s390_plus_operand): Remove prototypes. + (s390_legitimate_address_without_index_p): New prototype. + * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move + to s390.h. + (s390_comparison, s390_alc_comparison, s390_slb_comparison, + const0_operand, consttable_operand, larl_operand, s_operand, + shift_count_operand, bras_sym_operand, load_multiple_operation, + store_multiple_operation, s390_plus_operand): Move to + predicates.md. + (check_mode): Remove. + (s390_branch_condition_mask): Remove 'static'. Move prototype to + s390-protos.h. + (s390_legitimate_address_without_index_p): New. + * config/s390/s390.h (PREDICATE_CODES): Remove. + * config/s390/s390.md: Include predicates.md. + * config/s390/predicates.md: New. + +2005-04-04 Eric Botcazou + + PR target/20446 + * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0. + * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete. + (NEED_INDICATE_EXEC_STACK): Define to 1. + * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete. + (NEED_INDICATE_EXEC_STACK): Define to 1. + * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end. + (add_pc_to_pic_symbol): Rename into pic_helper_symbol. + (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name. + (pic_helper_emitted_p): New global. + (emit_pic_helper): New function extracted from... + (load_pic_register): ...here. Add 'delay_pic_helper' parameter. + Do not call emit_pic_helper if delay_pic_helper is true. + (sparc_expand_prologue): Pass 'false' to load_pic_register. + (sparc_output_mi_thunk): Pass 'true' to load_pic_register. + (sparc_file_end): New function. + +2005-04-04 Kazu Hirata + + * config/mcore/mcore-protos.h: Remove the prototypes for + mcore_arith_reg_operand, mcore_general_movsrc_operand, + mcore_general_movdst_operand, mcore_reload_operand, + mcore_arith_J_operand, mcore_arith_K_operand, + mcore_arith_K_operand_not_0, mcore_arith_M_operand, + mcore_arith_K_S_operand, mcore_arith_imm_operand, + mcore_arith_any_imm_operand, mcore_arith_O_operand, + mcore_literal_K_operand, mcore_addsub_operand, + mcore_compare_operand, mcore_load_multiple_operation, + mcore_store_multiple_operation, mcore_call_address_operand. + Add a prototype for const_ok_for_mcore. + * config/mcore/mcore.c (mcore_call_address_operand, + mcore_general_movsrc_operand, mcore_general_movdst_operand, + mcore_arith_reg_operand, mcore_reload_operand, + mcore_arith_J_operand, mcore_arith_K_operand, + mcore_arith_K_operand_not_0, mcore_arith_K_S_operand, + mcore_arith_M_operand, mcore_arith_imm_operand, + mcore_arith_any_imm_operand, mcore_arith_O_operand, + mcore_literal_K_operand, mcore_addsub_operand, + mcore_compare_operand, mcore_load_multiple_operation, + mcore_store_multiple_operation): Move to predicates.md. + (const_ok_for_mcore): Export. + * config/mcore/mcore.h (PREDICATE_CODES): Remove. + * config/mcore/mcore.md: Include predicates.md. + * config/mcore/predicates.md: New. + + * config/mcore/predicates.md: Fix a comment typo. + +2005-04-04 Andreas Krebbel + Adrian Straetling + + * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations. + * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise. + * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type" + attribute. + ("imul"): Removed from "type" attribute. + ("*muldi3_sign", "muldi3"): Changed type to imuldi. + ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"): + Changed type to imulsi. + ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi. + +2005-04-04 Richard Sandiford + + * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT) + (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT) + (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT) + (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC) + (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340) + (TARGET_SWITCHES, mcore_stack_increment_string) + (TARGET_OPTIONS): Delete. + (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather + than *_BIT constants. + (TARGET_8ALIGN): #undef old definition before redefining to 1. + * config/mcore/mcore.c (mcore_stack_increment_string): Delete. + (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT. + (mcore_override_options): Delete mcore_stack_increment code. + Change use of M340_BIT to MASK_M340. + * config/mcore/mcore.opt: New file. + +2005-04-04 Ian Lance Taylor + + * config/arm/arm.c (replace_symbols_in_block): Remove static + function. + +2005-04-04 Kazu Hirata + + * config/fr30/fr30-protos.h: Remove the prototypes for + stack_add_operand, add_immediate_operand, + high_register_operand, low_register_operand, call_operand, + di_operand, and nonimmediate_di_operand. + * config/fr30/fr30.c (stack_add_operand, + add_immediate_operand, high_register_operand, + low_register_operand, call_operand, di_operand, + nonimmediate_di_operand): Move to predicates.md. + * config/fr30/fr30.h (PREDICATE_CODES): Remove. + * config/fr30/fr30.md: Include predicates.md. + * config/fr30/predicates.md: New. + + * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and + LABEL_REF to mcore_general_movsrc_operand. Add SYMBOL_REF to + mcore_call_address_operand. + + * config/sh/sh.h (PREDICATE_CODES): Add CONST to + general_movsrc_operand. + +2005-04-04 Alan Modra + + * passes.c (rest_of_handle_final): NULL unlikely_text_section_name + after freeing. + +2005-04-04 Richard Earnshaw + + PR target/14812 + * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against + a negated value. + +2005-04-04 Richard Henderson + Jakub Jelinek + + PR rtl-optimization/16104 + * fold-const.c (fold_unary): Fix folding of vector conversions. + +2005-04-04 Richard Sandiford + + * config.gcc (xstormy16-*-elf): Set extra_options. + * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete. + * config/stormy16/stormy16.opt: New file. + +2005-04-04 Richard Sandiford + + * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT) + (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45) + (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32) + (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE) + (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT) + (TARGET_UNIX_ASM): Delete. + (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45. + * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM. + * config/pdp11/pdp11.c (pdp11_handle_option): New function. + (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults. + * config/pdp11/pdp11.opt: New file. + +2005-04-03 Roger Sayle + Alexandre Oliva + + PR c++/19199 + * fold-const.c (non_lvalue): Split tests into... + (maybe_lvalue_p): New function. + (fold_cond_expr_with_comparison): Preserve lvalue-ness for the + C++ front-end prior to lowering into gimple form. + +2005-04-03 Kaveh R. Ghazi + + * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP, + BUILT_IN_STRNCASECMP): New. + * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp + and strndup. + +2005-04-03 Richard Earnshaw + + PR target/14812 + * arm.md (addsi3_compare0_for_combiner): Delete. + (addsi3_compare0_scratch_for_combiner): Delete. + (cmpsi_neg_shiftsi): Delete. + (compare_negsi_si): New pattern. + (cmpsi_negshiftsi_si): New pattern. + (negated_cbranchsi4): Restrict to equality_operator. + + * arm.md (movhi_insn_arch4): delete trailing white space from assembler + template. + +2005-04-03 Kazu Hirata + + * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c: + Fix comment typos. + + * doc/install.texi: Fix a typo. + +2005-04-03 Steven Bosscher + + PR middle-end/20648 + * bb-reorder.c (duplicate_computed_gotos): Do not unfactor + a computed goto if the edge to the computed goto block has + incoming abnormal edges. Clarify how the function works. + +2005-04-03 Nathan Sidwell + + * params.c (set_param_value): Use gcc_assert & gcc_unreachable. + * passes.c (open_dump_file, rest_of_handle_final): Likewise. + * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p, + hash_scan_set, reg_set_between_after_reload_p, + reg_used_between_after_reload_p, get_avail_load_store_reg, + eliminate_partially_redundant_load): Likewise. + * postreload.c (reload_cse_simplify_set, + reload_combine_note_use): Likewise. + * predict.c (predict_insn, expected_value_to_br_prob, + propagate_freq, expensive_function_p): Likewise. + * print-rtl.c (print_rtx): Likewise. + * profile.c (instrument_edges, instrument_values, + compute_branch_probabilities, branch_prob, union_groups, + tree_register_profile_hooks, rtl_register_profile_hooks): Likewise. + * protoize.c (in_system_include_dir, file_could_be_converted, + file_normally_convertible, gen_aux_info_file, seek_to_line, + do_cleaning): Likewise. + * tree-ssa-alias.c (collect_points_to_info_r): Likewise. + * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise. + * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise. + +2005-04-03 Mostafa Hagog + + * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE. + * modulo-sched.c (undo_replace_buff_elem): New structure. + (kernel_number_of_cycles, ps_unschedule_node, + undo_generate_reg_moves,free_undo_replace_buff, + undo_permute_partial_schedule, loop_single_full_bb_p, + SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop, + build_loops_structure, get_sched_window): New. + (generate_reg_moves): Return undo_replace_buff_elem and other + fixes. + (generate_prolog_epilog): Remove old loop versioning. + (sms_schedule): Use loop information and loop_version. + (sms_schedule_by_order): Split part of it to get_sched_window. + * passes.c (rest_of_handle_sms): call cfg_layout_initialize + cfg_layout_finalize and free_dominance_info before/after SMS. + +2005-04-03 Mostafa Hagog + + * cfghooks.c (lv_flush_pending_stmts, + cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges, + lv_adjust_loop_header_phi, lv_add_condition_to_bb): New. + * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge, + lv_add_condition_to_bb, + lv_adjust_loop_header_phi, extract_cond_bb_edges, + flush_pending_stmts): New in cfg_hooks structure. + (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts, + extract_cond_bb_edges, lv_adjust_loop_header_phi, + lv_add_condition_to_bb): New declarations. + * cfgloop.h (duplicate_loop_to_header_edge): Change return type to + bool. + (loop_version): Declare. + * cfgloopmanip.c (cfghooks.h): Include. + (duplicate_loop_to_header_edge): Change return type to bool. + (loop_version, lv_adjust_loop_entry_edge): Move here. + * cfgrtl.c (cfgloop.h): Include. + (rtl_verify_flow_info_1): Fix. + (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New. + (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to + initialization. + * tree-cfg.c (tree_lv_adjust_loop_header_phi, + tree_lv_add_condition_to_bb): New. + (tree_cfg_hooks): Add new hooks to initialization. + * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi, + lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove. + +2005-04-03 Kazu Hirata + + * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to + xstormy16_below100_or_register, + xstormy16_splittable_below100_or_register, and + nonimmediate_nonstack_operand. + + * config/stormy16/stormy16-protos.h: Remove the prototypes for + xstormy16_ineqsi_operator, equality_operator, + inequality_operator, shift_operator, + xstormy16_below100_operand, xstormy16_below100_or_register, + xstormy16_splittable_below100_or_register, + xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand. + * config/stormy16/stormy16.c (xstormy16_ineqsi_operator, + equality_operator, inequality_operator, + xstormy16_below100_operand, xstormy16_below100_or_register, + xstormy16_splittable_below100_or_register, + xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand, + nonimmediate_nonstack_operand, shift_operator): Move to + predicates.md. + * config/stormy16/stormy16.h (PREDICATE_CODES): Remove. + * config/stormy16/stormy16.md: Include predicates.md. + * config/stormy16/predicates.md: New. + +2005-04-02 Kazu Hirata + + * config/iq2000/iq2000.c (uns_arith_operand, arith_operand, + small_int, large_int, reg_or_0_operand, simple_memory_operand, + equality_op, cmp_op, pc_or_label_operand, call_insn_operand, + move_operand, power_of_2_operand): Move to predicates.md. + * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES, + PREDICATE_CODE): Remove. + * config/iq2000/iq2000.md: Include predicates.md. + * config/iq2000/predicates.md: New. + +2005-04-02 Richard Sandiford + + * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT) + (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12) + (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS) + (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12) + (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE) + (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS) + (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string) + (m68hc11_reg_alloc_order, m68hc11_soft_reg_count) + (TARGET_M68HC11): Delete. + (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0. + * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete. + * config/m68hc11/m68hc11.c (m68hc11_regparm_string) + (m68hc11_reg_alloc_order, m68hc11_soft_reg_count) + (nb_soft_regs): Delete. + (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT. + (m68hc11_override_options): Remove the code that caters for MASK_M6811 + and MASK_M6812 being set simultaneously. Change the code that sets + the default m68hc11_soft_reg_count to use integers instead of strings. + (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use + m68hc11_soft_reg_count (which now has an int type) as the number + of soft registers. + * config/m68hc11/m68hc11.opt: New file. + +2005-04-02 Kazu Hirata + + * config/fr30/fr30.h (PREDICATE_CODES): Remove + fp_displacement_operand, sp_displacement_operand. + + * config/m68hc11/m68hc11-protos.h: Add a prototype for + m68hcc_auto_inc_p. + Remove the prototypes for tst_operand, cmp_operand, + stack_register_operand, d_register_operand, + hard_addr_reg_operand, splitable_operand, + m68hc11_logical_operator, m68hc11_arith_operator, + m68hc11_non_shift_operator, m68hc11_shift_operator, + m68hc11_unary_operator, m68hc11_eq_compare_operator, + non_push_operand, hard_reg_operand, and + reg_or_some_mem_operand. + * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it + extern. + (tst_operand, cmp_operand, non_push_operand, + splitable_operand, reg_or_some_mem_operand, + stack_register_operand, d_register_operand, + hard_addr_reg_operand, hard_reg_operand, + m68hc11_eq_compare_operator, m68hc11_logical_operator, + m68hc11_arith_operator, m68hc11_non_shift_operator, + m68hc11_shift_operator, m68hc11_unary_operator): Move to + predicates.md. + * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove. + * config/m68hc11/m68hc11.md: Include predicates.md. + * config/m68hc11/predicates.md: New. + +2005-04-02 Alexandre Oliva + + PR debug/19345 + * dwarf2out.c (add_abstract_origin_attribute): Revert accidental + change checked in along with 2005-03-03's patch for debug/20253. + * tree-inline.c (remap_type): Remap TYPE_STUB_DECL. + (remap_decl): Insert type decl in map earlier. + +2005-04-02 Alexandre Oliva + + PR tree-optimization/20640 + * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to + post-dominator if it has phi nodes. + (eliminate_unnecessary_stmts): Remove dead phis in all blocks + before dead statements. + +2005-04-02 Alexandre Oliva + + PR middle-end/20491 + * final.c (alter_subreg): Don't call subreg_regno for a non-REG. + +2005-04-02 Alexandre Oliva + + PR rtl-optimization/20290 + * loop.c (for_each_insn_in_loop): Don't assume the loop body runs + in every iteration if the entry point is the exit test. + +2005-04-02 Hans-Peter Nilsson + + * config/cris/cris.md (attribute "length"): Define. + +2005-04-02 Geoffrey Keating + + * config/rs6000/predicates.md (indexed_or_indirect_operand): New. + (word_offset_memref_operand): New. + * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete. + (indexed_or_indirect_operand): Delete. + * config/rs6000/rs6000.c (word_offset_memref_operand): Delete. + (indexed_or_indirect_operand): Delete. + + * config/rs6000/t-darwin8: Comment out ppc64 multilib. + + PR 20650 + * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination + a register. + + * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe. + * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise. + +2005-04-01 Jan-Benedict Glaw + + * config/vax/vax.md: Spellcheck, fix whitespace. + +2005-04-01 Ian Lance Taylor + + * gcc.c: Don't include or declare getrusage. + (rus, prus): Remove static variables. + (execute): Use pex_run/pex_get_status rather than pexecute/pwait. + (process_command): Permit report_times and use_pipes together. + +2005-04-01 Joseph S. Myers + + * c-decl.c (validate_proto_after_old_defn): Look at + TYPE_MAIN_VARIANT of argument types. + +2005-04-01 Paul Brook + + * config/arm/arm.c (thumb_call_via_label): Include space for SP. + (arm_output_function_epilogue): Allow call_via_SP. + (thumb_call_via_reg, arm_file_end): Ditto. + * config/arm/arm.h (struct machine_function): Include space for SP. + (thumb_call_via_label): Update declaration. + +2005-04-01 Ian Lance Taylor + + * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when + doing a peephole optimization, once again put any notes in the + proper position. + +2005-04-01 Kazu Hirata + + * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos. + +2005-04-01 Nathan Sidwell + + * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable. + (block_alloc, find_free_reg): Likewise. + * loop-doloop.c (doloop_modify): Likewise. + * loop-invariant.c (record_use): Likewise. + * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze, + get_iv_value, canon_condition, eliminate_implied_condition, + eliminate_implied_condition, simplify_using_initial_values, + shorten_into_mode, canonicalize_iv_subregs, + iv_number_of_iterations): Likewise. + * loop-unroll.c (expand_var_during_unrolling): Likewise. + * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop, + unswitch_loop): Likewise. + * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p, + move_movables, replace_call_address, find_and_verify_loops, + rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations, + record_giv, final_giv_value, general_induction_var, + simplify_giv_expr, extension_within_bounds_p, try_copy_prop, + loop_giv_dump): Likewise. + + * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING, + GCOV_CHECK_WRITING): Remove. + (gcov_position, gcov_rewrite): Use gcc_assert. + * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length, + gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert. + * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use + gcc_assert. + +2005-04-01 Kazu Hirata + + * tree-inline.c: Fix a typo. + +2005-04-01 Nathan Sidwell + + * configure.ac (enable-checking): Explicitly set all variables for + collective switch values. Alphabetize variables. Rename + ac_checking_valgrind to ac_valgrind_checking. Allow 'none' as + synonym for 'no'. + * doc/install.texi (enable-checking): Update documentation. + * configure: Rebuilt. + +2005-04-01 Kazu Hirata + + * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where + possible. + +2005-04-01 Richard Earnshaw + + * arm.c (adjacent_mem_locations): Reject volatile memory refs. + Also reject cases where this pattern will cause load delay stalls + unless optimizing for size and it will produce a shorter sequence. + * arm.md (arith_adjacent_mem): Make better use of ldm addressing + variants to avoid pre-adjusting the base when possible. + +2005-04-01 Richard Earnshaw + + * arm.md (minmax_arithsi): Reject all eliminable registers, not just + the frame and argument pointers. + (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise. + (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise. + (strsi_predec, loadsi_preinc, loadsi_predec): Likewise. + (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise. + (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise. + (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise. + +2005-04-01 Danny Smith + + * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define, + with entry for selectany attribute. + * config/i386/i386-protos.h (ix86_handle_selectany_attribute): + Declare. + * config/i386/winnt.c (ix86_handle_selectany_attribute): Define. + (i386_pe_asm_named_section): Handle sections generated by + selectany attribute. + * doc/extend.texi (selectany): Document attribute. + +2005-04-01 Paolo Bonzini + Jan Hubicka + + * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs + to fix addresses involving EBP and ESP. + (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared + for SUBREGed registers. + (legitimate_address_p): Accept SUBREGed registers. + +2005-04-01 Jakub Jelinek + + PR c++/19406 + * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL. + (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member + for FIELD_DECLs. + +2005-04-01 Kazu Hirata + + * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos. + +2005-04-01 James E Wilson + + PR c++/20505 + * dwarf2out.c (rtl_for_decl_init): New function. + (rtl_for_decl_location): Extracted from here. + (tree_add_const_value_attribute): Call rtl_for_decl_init and + add_const_value_attribute. Delete initializer_constant_valid_p call. + +2005-04-01 Kazu Hirata + + * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c, + lambda-code.c, loop.c, machmode.def, mips-tfile.c, + modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c, + tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h, + config/frv/frv.md, config/i386/i386.c, config/i386/i386.h, + config/i386/i386.md, config/rs6000/predicates.md, + config/rs6000/rs6000.c, config/s390/fixdfdi.h, + config/s390/s390.c, config/stormy16/stormy16.c, + config/stormy16/stormy16.md, config/vax/vax.md: Fix comment + typos. + +2005-04-01 Joseph S. Myers + + PR c/17855 + * gimplify.c (gimplify_expr): Create a temporary for lvalue + COND_EXPR and CALL_EXPR. + +2005-03-31 Vladimir Makarov + + PR target/20632 + * genautomata.c (first_cycle_unit_presence): Check all alternative + states for unit presence. + + * doc/md.texi: Remove remark about impossibility to query unit + presence in non nondeterministic automaton state. + + * config/ia64/ia64.c (get_template): Change order of unit querying. + +2005-03-31 Kazu Hirata + + * tree-ssa-dom.c (cprop_into_successor_phis): Remove an + obsolete comment. + +2005-03-31 Zdenek Dvorak + + * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT + flag for edges outside any loops. + +2005-03-31 Janis Johnson + + * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs. + +2005-03-31 Kazu Hirata + + * tree-ssa-alias.c: Follow spelling conventions. + * doc/tree-ssa.texi: Fix a typo. + +2005-03-31 J"orn Rennecke + + * postreload-gcse.c: Include target.h. + (gcse_after_reload_main): Return early if we cannot modify jumps. + * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H). + +2005-03-31 David Edelsohn + + * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of + expensive operations. + +2005-03-31 Ian Lance Taylor + + * collect2.c (lderrout): New variable. + (collect_exit): Dump ldout to stdout. Dump and unlink lderrout, + if it is set, to stderr. + (handler): Unlink lderrout if it is set. + (dump_file): Add "to" parameter. Change all callers. + (main): Initialize lderrout. + (collect_execute): Add errname parameter. Change all callers. + Rename redir parameter to outname. Never pass + PEX_STDERR_TO_STDOUT to pex_run. + * collect2.h (collect_execute, dump_file): Update declarations. + * tlink.c (tlink_execute): Add errname parameter. Change all + callers. + (do_tlink): Check lderrout as well as ldout. + +2005-03-31 Caroline Tice + + * Makefile.in (varasm.o): Add basic-block.h to list of requirements. + (bb-reorder.o): Add errors.h to list of requirements. + (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to + profiledbootstrap flags. + * bb-reorder.c (errors.h): Add new include. + (struct bbro_basic_block_data_def): Add new field, in_trace. + (add_unlikely_executed_notes): Remove function. + (mark_bb_for_unlikely_executed_section): Remove function. + (insert_section_boundary_note): New function. + (verify_hot_cold_block_grouping): New function. + (push_to_next_round_p): Remove variables and tests that push all + cold blocks to last round. + (find_traces): Remove code that added extra round of trace finding + when doing partitioning. + (find_traces_1_round) : Remove variable last_round; add code to + update new struct field, in_trace; correct trace_length where it was + incorrect before (after call to copy_bb); change code that pushed all + cold blocks to last round. Instead verify that all blocks going into + a trace belong in the same partition. + (connect_traces): Modify to connect the traces in two passes, if the + function contains both hot and cold blocks. The first pass connects + all the traces for blocks in the partition that the first block in + the function belongs to; the second pass connnects all the traces + containing blocks that belong in the other partition. + (find_rarely_executed_basic_blocks_and_crossing_edges): Remove + code that automatically put the first block in a function into the + hot partition if the function had any hot blocks. + (fix_crossing_unconditional_branches): Check number of succ edges + before attempting to get one. + (fix_edges_for_rarely_executed_code): Update comment describing + function. + (reorder_basic_blocks): Add code to initialize new field (in_trace); + remove call to add_unlikely_executed_notes; add call to + verify_hot_cold_block_grouping. + (duplicate_computed_gotos): Don't change computed goto if it's a + crossing edge. + (partition_hot_cold_basic_blocks): Update function comment. + * cfgcleanup.c (try_simplify_condjump): Remove redundacy from + condition. + (try_forward_edges): Likewise. + (merge_blocks_move_predecessor_nojumps): Likewise. + (merge_blocks_move_successor_nojumps): Likewise. + (merge_blocks_move): Likewise. + (try_crossjump_bb): Likewise. + * cfglayout.c (update_unlikely_executed_notes): Remove function. + (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE + notes to cold bb's; remove call to update_unlikely_executed_notes. + (duplicate_insn_chain): change NOTE_INSN_UNLIKELY_EXECUTED_CODE to + NOTE_INSN_SWITCH_TEXT_SECTIONS. + * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove + function declaration. + * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note + from consideration. + (rtl_can_merge_blocks): Remove redundancy from condition. + (try_redirect_by_replacing_jump): Likewise. + (force_nonfallthru_and_redirect): Remove code for adding + UNLIKELY_EXECUTED_CODE notes to cold bb's. + (commit_one_edge_insertion): Likewise. + (cfg_layout_can_merge_blocks_p): Remove redundancy from condition. + * dbxout.c (FORCE_TEXT): Replace function_section with + current_function_section. + (struct dbx_debug_h): Add do_nothing function for new debug_hooks + function, switch_text_section. + (struct xcoff_debug): Likewise. + (dbxout_function_end): Add code to put out label diffs for both + hot and cold sections. + * debug.c (struct do_nothing_debug_hooks): Add do_nothing function + for new debug_hooks funciton, switch_text_section.. + * debug.h (struct gcc_debug_hooks): Add new function to debug_hooks, + switch_text_section. + * dwarf2out.c (struct dw_fde_struct): Add five new fields: + dw_fde_hot_section_label, dw_fde_hot_section_end_label, + dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and + dw_fde_switched_sections. + (output_call_frame_info): Add test to see if function switches text + sections in the middle; if so, use appropriate extra hot and cold + section labels to compute size deltas for the hot and cold sections. + (dwarf2out_begin_prologue): Add code to initialize new fields in + dw_fde_struct. + (dwarf2out_switch_text_section): New function (invoked through + debug_hook); updates new fields in dw_fde_struct appropriately and + increments separate_line_info_table_in_use. + (dwarf2_debug_hooks): Initialize switch_text_section function to be + dwarf2out_switch_text_section. + (struct var_loc_node): Add new field, section_label. + (output_aranges): Add code to check whether in hot or cold section and + use the appropriate label in calculating deltas. + (output_ranges): Likewise. + (output_line_info): Add code to check which section we're in and + use appropriate hot/cold label. + (add_location_or_constant_value_attribute): Likewise. + (gen_subprogam_die): Modify arange attributes to use correct labels. + (dwarf2out_begin_block): Change call to function_section into call to + current_function_section. + (dwarf2out_end_block): Likewise. + (dwarf2out_source_line): Likewise. + (dwarf2out_var_location): Add code to check whether in hot or cold + section and use the appropriate label. + * except.c (output_function_exception_table): Change call to + function_section into call to current_function_section. + * final.c (profile_function): Likewise. + (scan_ahead_for_unlikely_executed_note): Remove function. + (final_scan_insn): Remove calls to + scan_ahead_for_unlikely_executed_note, and related code for switching + to cold section, except for the single time + NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered; add calls to + debug_hooks->switch_text_sections; replace appropriate calls to + function_section with calls to current_function_section. + * ifcvt.c (find_if_case_1): Remove redundancy from condition, add + test_bb to condition. + (find_if_case_2): Likewise. + * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to + NOTE_INSN_SWITCH_TEXT_SECTIONS. Update comment appropriately. + * opts.c (decode_options): Change warning about hot/cold partitioning + with exceptionss to inform (so as not to cause bootstrap failures); + remove warning about partitioning with DWARF debug info. + * output.h (current_function_section): Add new function decl. + (insert_section_boundary_note): Likewise. + (enum in_section): Move this declaration here from varasm.c. + (unlikely_section_label): Likewise. + (unlikely_text_section_name): Likewise. + (last_text_section_name): New global variable. + (last_text_section): Likewise. + (hot_section_label): Likewise. + (hot_section_end_label): Likewise. + (cold_section_end_label): Likewise. + * passes.c (rest_of_handle_final): Free unlikely_text_section_name. + * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE + to NOTE_INSN_SWITCH_TEXT_SECTIONS. + * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note + insn from consideration. + * sdbout.c (sdb_debug_hooks): Add do_nothing for new function, + switch_text_section. + * varasm.c (basic-block.h): Add new include. + (unlikely_section_label_printed): Remove global variable. + (unlikely_section_label): Make global variable not be static any more. + (unlikely_text_section_name): Likewise. + (hot_section_end_label): New global variable (not static) + (first_function_block_is_cold): Likewise. + (hot_section_label): Likewise. + (cold_section_end_label): Likewise.. + (last_text_section): New global variable, not static. + (last_text_section_name): New global variable, not static. + (initialize_cold_section_name): New function. + (enum in_section): Move declaration to output.h. + (text_section): Update last_text_section. + (unlikely_text_section): Replace code to determine cold section name + with call to initialize_cold_section_name; Add code to update + last_text_section; remove code for printing out label. + (named_section_real): Add code to update last_text_section and + last_text_section_name as appropriate. + (function_section): Change test for 'unlikely' to depend on + first_function_block_is_cold (moved old test to + current_function_section). + (current_function_section): New function. + (assemble_start_function): Move code that frees + unlikely_text_section_name; initialize hot_section_end_label; + print hot and cold section labels at the start of the function; + set first_function_block_is_cold, if appropriate; initialize l + ast_text_section; add call to insert_section_boundary_note. + (assemble_end_function): Add code to write out hot and cold section + end labels. + *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function, + switch_text_section. + * config/darwin.c (machopic_select_section): Replace incorrect + function in base_funs; update reloc for cold sections if necessary. + * config/darwin.h (SECTION_FUNCTION): Add code to update + last_text_section if appropriate. + (text_unlikely_section): Remove. + * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise. + * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise. + * config/xtensa/xtensa.c (override_options): Turn off hot/cold + partitioning for this architecture. + +2005-03-31 Olivier Hainque + + * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO + defined and non-zero. + +2005-03-31 Gabriel Dos Reis + + PR c++/18644 + * doc/invoke.texi (-Wsynth): Don't document, as it now is void of + semantics. + +2005-03-31 Alan Modra + + PR target/20611 + * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline + label operand. Remove (use (unspec..)). Don't emit a label on + the offset word. + * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't + generate inline label for load_toc_v4_PIC_1b. + (rs6000_emit_load_toc_table): Likewise. + +2005-03-31 Kazu Hirata + + * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf, + ns32k-*-netbsdelf*, and ns32k-*-netbsd*. + +2005-03-29 Devang Patel + + * tree-sra.c (decide_block_copy): Disable scalarization of + sub-elements. + +2005-03-30 Stuart Hastings + Dale Johannesen + + * Makefile.in (print-tree.o): Depend on tree-iterator.h. + * print-tree.c (print_node): Add case STATEMENT_LIST. + +2005-03-31 Alan Modra + + * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus. + (powerpc64-*-linux*): Use it. Rearrange tm_file assignment. + (powerpc-*-linux*): Build a biarch compiler when --enable-targets + is given with "powerpc64*" or "all", or when --with-cpu chooses + a 64-bit cpu. + +2005-03-30 James E. Wilson + + PR debug/20268 + * dwarf2out.c (add_high_low_attributes): New function, extracted from + gen_lexical_block_die. + (gen_lexical_block_die, gen_inlined_subroutine_die): Call it. + +2005-03-31 Jan Hubicka + + 2004-11-02 Jan Hubicka + + * cgraph.c (cgraph_varpool_node_name): New function. + (dump_cgraph_varpool_node): New function. + (dump_varpool): New function. + * cgraphunit.c (cgraph_optimize): Dump varpool. + + 2004-10-16 Jan Hubicka + + * cgraph.c (decide_is_variable_needed): New function. + (cgraph_varpool_finalize_decl): Use it. + * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing + unit-at-a-time. + * final.c (output_addr_const): Do not call mark_referenced. + * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack; + always go via cgraph. + * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code. + (check_global_declarations): Ifdef out code clearing DECL_RTL. + * tree-optimize.c (execute_inline): Mark functions called. + * i386.c (output_pic_addr_const): Do not call mark_decl_referenced. + + 2004-10-11 Jan Hubicka + + * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable + (cgraph_varpool_last_needed_node): New static variable. + (enqueue_needed_varpool_node): Break out from ...; add items to the + end of queue; update first pointers. + (cgraph_varpool_mark_needed_node): ... here. + (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node. + (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c + * cgraph.h (cgraph_varpool_node): Add analyzed field. + (cgraph_varpool_first_unanalyzed_node): Declare. + * cgraphunit.c: Include output.h. + (cgraph_varpool_analyze_pending_decls): New function. + (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out + for errors, analyze pending decls. + (cgraph_finalize_compilation_unit): Only analyze decls. + (cgraph_optimize): Assemble the decls after expanding. + +2005-03-30 Daniel Berlin + + * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure + subvars get marked properly in tags for grouping. + (add_pointed_to_var): Mark only actual pointed to + variables/subvars in addresses needed. + (create_overlap_variables_for): Clear call clobbered on original + variable. + * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular + addresable vars with subvars into list. + * tree-ssa.c (verify_ssa_name): Verify original is not used where + subvar should be. + +2005-03-30 Richard Henderson + + * cgraph.h (struct cgraph_node): Add alias. + * varasm.c (assemble_alias): Set it. + * cgraphunit.c (cgraph_assemble_pending_functions): Check it and + avoid calling cgraph_expand_function. + +2005-03-30 Tom Tromey + + * tree.def (FILE_TYPE): Removed. + * typeclass.h (enum type_class): Removed file_type_class. + * dwarf2out.c (is_base_type): Updated. + (gen_type_die): Likewise. + * dbxout.c (dbxout_type): Updated. + * builtins.c (type_to_class): Updated. + * tree.c (type_contains_placeholder_1): Updated. + * config/sparc/sparc.c (sparc_type_code): Updated. + * config/ia64/ia64.c (hfa_element_mode): Updated. + * expr.c (count_type_elements): Updated. + * stor-layout.c (layout_type): Updated. + * tree-inline.c (remap_type): Updated. + * tree-pretty-print.c (dump_generic_node): Updated. + +2005-03-30 Fariborz Jahanian + + * builtins.c (expand_builtin_powi): Fix mode of + 2nd argument to match int. + * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change + 2nd argument type to int. + * libgcc2.c: Change prototype of __powi* functions to use + int. + +2005-03-30 Dale Johannesen + + PR middle-end/19225 + * calls.c (expand_call): Flush pending deferrals before + throwing call. + +2005-03-30 Joseph S. Myers + + PR c/772 + PR c/17913 + * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR, + C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct + c_label_context, label_context_stack): New. + * c-decl.c (define_label): Check for jumps into statement + expressions. Add label to list of defined labels. + (start_function): Push context on label_context_stack. + (finish_function): Pop context from label_context_stack. + * c-typeck.c (label_context_stack): New. + (c_finish_goto_label): Check for jumps into statement + expressions. Add label to list of jumped to labels. + (struct c_switch): Add blocked_stmt_expr. + (c_start_case): Initialize it. + (do_case): Check it. + (c_finish_case): Verify !blocked_stmt_expr. + (c_begin_stmt_expr): Push context on label_context_stack. + Increment blocked_stmt_expr. Mark labels jumped to from outside + as undefinable. + (c_finish_stmt_expr): December blocked_stmt_expr. Mark labels + defined in the statement expression and no longer jumpable to. + Mark labels jumped to from just outside the statement expression + as again definable. Pop context from label_context_stack. + * doc/extend.texi (Statement Exprs): Update. + +2005-03-30 Joseph S. Myers + + PR c/20368 + * c-decl.c (start_function): Check for old_decl being + error_mark_node. + +2005-03-30 Ian Lance Taylor + + * final.c (final): Remove prescan parameter. Change all callers. + (final_scan_insn): Remove prescan parameter. Change all callers. + +2005-03-30 Kazu Hirata + + * tree-vectorizer.c: Fix comment typos. + +2005-03-30 Sebastian Pop + + * tree-scalar-evolution.c (instantiate_parameters_1): Return + as soon as a chrec_dont_know is detected. + +2005-03-31 Danny Smith + + Merge from csl-arm-branch. + 2004-02-12 Mark Mitchell + + * tlink.c (recompile_files): Do not assume that "rename" can + overwrite an existing file. + +2005-03-31 Paolo Bonzini + + * configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove. + * configure: Regenerate. + +2005-03-30 Alan Modra + + * doc/install.texi: Update binutils requirement for powerpc*-linux. + + * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments. + + * calls.c (struct arg_data): Update "partial" comment. + (load_register_parameters): Update "nregs" comment. + +2005-03-30 Richard Sandiford + + * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA) + (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES) + (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS) + (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete. + (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE) + (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather + than target_flags & 0. + * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string) + (iq2000_arch, iq2000_parse_cpu): Delete. + (TARGET_HANDLE_OPTION): Override default. + (iq2000_handle_option): New function. + (override_options): Remove -march= and -mcpu= handling. + * config/iq2000/iq2000.opt: New file. + +2005-03-30 Richard Sandiford + + * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete. + * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG) + (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG) + (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG) + (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG) + (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG) + (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES) + (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX) + (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL) + (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST) + (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT) + (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES) + (c4x_rpts_cycles_string, c4x_cpu_version_string) + (TARGET_OPTIONS): Delete. + (c4x_rpts_cycles, c4x_cpu_version): Declare. + (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33) + (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version. + * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete. + (c4x_cpu_version_string): Delete. + (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults. + (c4x_handle_option): New function. Map -m3x and -m4x options to the + equivalent -mcpu= option. + (c4x_override_options): Remove -mrpts= and -mcpu= handling from here. + Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB, + TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting + or clearing the appropriate MASK_* bit. + (c4x_file_start): Use c4x_cpu_version. + * config/c4x/c4x.opt: New file. + +2005-03-30 Richard Sandiford + + * doc/options.texi: Document the new MaskExists flag. + * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...) + if the option has the MaskExists flag. + +2005-03-30 Richard Sandiford + + * opt-functions.awk (flag_set_p, test_flag): New functions. + (switch_flags): Use them. + * opth-gen.awk: Use flag_set_p to check for flags. + * optc-gen.awk: Likewise. Use opt_args to check for Init(...) flags. + +2005-03-30 Ian Lance Taylor + + * config.host (i[34567]86-*-mingw32*): Don't set + host_can_use_collect2 to no. + +2005-03-30 Alan Modra + + PR target/20203 + * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL. + Remove convert_memory_address call duplicating that in memory_address. + +2005-03-29 Richard Henderson + + PR c/20519 + * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call. + (build_compound_literal): Likewise. Propagate decl type into the + initializer. + (finish_decl): Likewise. Use new return value from complete_array_type + for zero sized arrays. + (complete_array_type): Move ... + * c-common.c (complete_array_type): ... here. Change first argument + to pointer-to-type-node. Consistently use sizetype for the index + except for zero sized arrays. Detect zero sized arrays for pedantic + mode diagnostics. Create a new type node instead of modifying the + old node in place. + * c-tree.h (complete_array_type): Move decl ... + * c-common.h (complete_array_type): ... here. + +2005-03-29 Richard Henderson + + PR tree-opt/19108 + * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR. + +2005-03-29 Kazu Hirata + + * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c, + debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c, + rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h, + tree-profile.c, tsystem.h, value-prof.h: Update copyright. + +2005-03-29 Eric Christopher + + * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for + truthvalue conversion removal. + +2005-03-29 Ian Lance Taylor + + PR bootstrap/14316 + * collect2.c: Never include . + (VFORK_STRING, vfork): Don't define. + (pid): Remove global variable. + (handler): Call raise instead of kill (getpid(), ...). + (collect_wait): Add pex parameter. Change all callers. Use + pex_get_status rather than pwait. + (do_wait): Add pex parameter. Change all callers. + (collect_execute): Return struct pex_obj * rather than void. Use + pex routines rather than pexecute. + (fork_execute): Get pex_obj from collect_execute, and pass it to + do_wait. + (scan_prog_file): Use pex routines rather than pipe/vfork/exec. + Only declare quit_handler if SIGQUIT is defined. + (scan_libraries): Likewise. + * collect2.h (collect_execute): Update declaration. + (collect_wait): Update declaration. + * tlink.c (tlink_execute): Get pex_obj from collect_execute, and + pass it to collect_wait. + +2005-03-29 Joseph S. Myers + + PR c/20672 + * c-parser.c (c_parser_compound_statement_nostart): Give error + message for EOF instead of just setting parser->error. + +2005-03-29 Dorit Naishlos + + * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed. + (slpeel_update_phi_nodes_for_guard1): New function. + (slpeel_update_phi_nodes_for_guard2): New function. + (slpeel_tree_peel_loop_to_edge): Call above new functions instead + of slpeel_update_phi_nodes_for_guard. + (vectorize_loops): Remove call to loop_closed_rewrite. + * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove + assertion. + +2005-03-29 Richard Sandiford + + * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete. + (TARGET_LITTLE_ENDIAN): New macro. + * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags) + (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG) + (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS) + (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE) + (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK) + (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT) + (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT) + (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string) + (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS) + (TARGET_OPTIONS): Delete. + (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums. + (CACHE_FLUSH_TRAP): Turn into an integer. + (TARGET_LITTLE_ENDIAN): Define to 0 by default. + (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if + -mflush-trap is in use. + * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string) + (m32r_cache_flush_trap_string): Delete. + (m32r_model) Initialize to M32R_MODEL_DEFAULT. + (m32r_sdata): Likewise M32R_SDATA_DEFAULT. + (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP. + (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults. + (m32r_handle_option): New function. Move -mflush-trap=, -mflush-func=, + -mmodel= and -msdata= handling from... + (m32r_init): ...here. + * config/m32r/m32r.opt: New file. + +2005-03-29 Keith Besaw + + * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function. + (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info. + * tree-vect-analyze.c (vect_object_analysis): additional parm + pass back a "struct ptr_info_def *" with the points-to info. + (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the + statement using info returned from vect_object_analysis. + * tree-vect-transform.c (update_vuses_to_preheader): New function. + (vect_create_data_ref_ptr): Remove updates to vars_to_rename + for virtual uses and defs when creating a replacement vector + reference. Call duplicate_ssa_name_ptr_info to define points-to + info for vector pointer replacement using STMT_VINFO_PTR_INFO. + (vectorizable_store): copy_virtual_operands and update + definition statements. + (vectorizable_load): copy_virtual_operands. Remove call to + mark_call_clobbered_vars_to_rename for call to "const" builtin. + * tree-vectorizer.c (vectorize_loops): Remove calls to + rewrite_into_ssa and bitmap_clear (vars_to_rename). + (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt. + * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and + define macro STMT_VINFO_PTR_INFO for use in accessing. + * tree.h add export of duplicate_ssa_name_ptr_info. + * rs6000.c (altivec_init_builtins): Declare builtin function + __builtin_altivec_mask_for_load to be "const". + +2005-03-29 Jakub Jelinek + + PR middle-end/20622 + * cgraph.h (struct cgraph_varpool_node): Add alias field. + * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call + assemble_variable on aliases. + * varasm.c (assemble_alias): Set node->alias. + * toplev.c (wrapup_global_declarations): Don't call + rest_of_decl_compilation on aliases again. + +2005-03-29 Paul Brook + + * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype. + * config/arm/arm.c (arm_dbx_register_number): New function. + * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define. + +2005-03-29 Eric Botcazou + + PR middle-end/20263 + * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use + the DECL_NAME, not the DECL_ASSEMBLER_NAME. + +2005-03-29 Dale Johannesen + + * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H) + $(TREE_H) and $(COVERAGE_H). + * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME. + * opts.c (common_handle_option): Enable tree-based value transforms. + * toplev.c (process_options): Ditto. + * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below + refers to references to this type. + * tree-flow.h: (struct stmt_ann_d): Add histograms field. + * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks + for may_be_more, may_be_less. + (rtl_gen_pow2_profiler): Adjust. + (rtl_gen_one_value_profiler_no_edge_manip): Adjust. + (rtl_gen_one_value_profiler): Adjust. + (rtl_gen_const_delta_profiler): Adjust. + * tree-profile.c (tree_gen_interval_profiler): Implement. + (tree_gen_pow2_profiler): Ditto. + (tree_gen_one_value_profiler): Ditto. + (tree_profiling): New. + (pass_tree_profile): Reference it. + * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h, + tree.h, gcov-io.h. + (insn_divmod_values_to_profile): Rename to + rtl_divmod_values_to_profile. Adjust. + (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust. + (insn_prefetch_values_to_profile): Adjust. + (rtl_value_profile_transformations): Adjust. + (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value. + (gen_mod_pow2): Rename to rtl_mod_pow2. + (gen_mod_subtract): Rename to rtl_mod_subtract. + (divmod_fixed_value_transform): Rename to + rtl_divmod_fixed_value_transform. + (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform. + (mod_subtract_transform): Rename to rtl_mod_subtract_transform. + (rtl_find_values_to_profile): Adjust. + (tree_value_profile_transformations): Implement. + (tree_divmod_values_to_profile): New. + (tree_values_to_profile): New. + (tree_divmod_fixed_value): New. + (tree_mod_pow2): New. + (tree_mod_subtract): New. + (tree_divmod_fixed_value_transform): New. + (tree_mod_pow2_value_transform): New. + (tree_mod_subtract_transform): New. + (tree_find_values_to_profile): Implement. + * profile.c (instrument_values): Free histograms. + (compute_value_histograms): Adjust. Implement tree version. + +2005-03-29 Uros Bizjak + + * reg-stack.c (subst_stack_regs_pat): Handle case. + * config/i386/i386.c (output_fix_trunc): Add new round_mode + variable. Output "fldcw" depending on round_mode. + * config/i386/i386.md (UNSPEC_FIST): New. + (fistdi2, fistdi2_with_temp, fist2, fist2_with_temp): + New isns patterns to implement lrint and llrint built-ins as x87 + intrinsic function. + (fistdi2, fist2 splitters): New splitters. + (lrint2): New expanders. + +2005-03-28 Ian Lance Taylor + + * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as + 0 when calling final_scan_insn. + +2005-03-28 Jan Hubicka + + PR middle-end/20635 + * varasm.c (mark_decl_referenced): Do not mark extern inline functions + as needed. + + * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument + types where possible. + +2005-03-26 Per Bothner + + Make -f[no-]show-column also control non-cpp diagnostics. + * c.opt (fshow-column): Move option from here ... + * common.opt (fshow-column): ... to here. + * diagnostic.c (diagnostic_build_prefix): Only print column number + if flag_show_column. + +2005-03-27 Steven Bosscher + + * vax-protos.h (vax_output_int_move, vax_output_int_add, + vax_output_conditional_branch): New prototypes. + * vax.c (vax_output_int_move, vax_output_int_add): New functions, + extracted from vax.md mov and add patterns. + (vax_output_conditional_branch): New function to output conditional + branch instructions. + * vax.md: Use mode macros for arithmetic and mov patterns. + Use code macros for the jump patterns. + +2005-03-26 Andrew Pinski + + * Makefile.in (libbackend.o): Depend on version files; + add custom generation command. + +2005-03-26 Andrew Pinski + + PR target/20636 + * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make + sure that we have a REG before getting its REGNO. + +2005-03-25 Kaveh R. Ghazi + + * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New. + * builtins.def (BUILT_IN_STRNDUP): New. + +2005-03-25 Pat Haugen + + PR tree-optimization/20470 + * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold + ABS(x-y). + +2005-03-25 Mike Stump + + * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0 + sized objects. + +2005-03-25 Geoffrey Keating + + * config/rs6000/darwin-fallback.c: Don't include . + Use our own structure definitions. + + * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX. + (fix_truncdfsi2): Allow registers or memory as destination. + When TARGET_PPC_GFXOPT, generate simplified pattern. + (fix_truncdfsi2_internal): Use define_insn_and_split. + (fix_truncdfsi2_internal_gfxopt): New. + (fctiwz): Don't confuse register allocation by giving it no choices. + (stfiwx): New. + * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'. + (EXTRA_MEMORY_CONSTRAINT): Likewise. + * config/rs6000/rs6000.c (indexed_or_indirect_operand): New. + * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New. + +2005-03-25 Kazu Hirata + + * dominance.c (free_dominance_info): Speed up by freeing et + data structures without maintaining other nodes. + * et-forest.c (et_free_tree_force): New. + * et-forest.h: Add a prototype for et_free_tree_force. + + * tree.c (get_set_constructor_bits, + get_set_constructor_bytes): Remove. + * tree.h: Remove the corresponding prototypes. + +2005-03-25 John David Anglin + + PR target/15491 + * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs. + (vax_rtx_costs): Return false when passed unsupported rtx's. Handle + FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE. Fix costs for POST_INC, + PRE_DEC, NEG and NOT. + +2005-03-25 Kazu Hirata + + * fold-const.c: Convert uses of fold (build (...)) to + fold_buildN. + +2005-03-25 Zdenek Dvorak + + PR rtl-optimization/20249 + * cse.c (insert_regs): Do not record equivalence of registers in + different modes. + +2005-03-24 Kazu Hirata + + * emit-rtl.c (reverse_comparison): Remove. + * rtl.h: Remove the corresponding prototype. + +2005-03-24 James E Wilson + + * doc/install.texi (--enable-altivec): Delete docs. + +2005-03-24 David Edelsohn + + * config/rs6000/predicates.md (easy_fp_constant): Return 0 for + SFmode and DFmode before reload when + flag_unsafe_math_optimizations not enabled. + +2005-03-24 Geoffrey Keating + + * c.opt (fvisibility-inlines-hidden): Allow for ObjC++. + + * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add + MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE. + +2005-03-24 Nathan Sidwell + + * configure.ac (enable-checking): Add 'runtime' option. + * doc/install.texi (enable-checking): Document 'runtime' checking. + * tsystem.h (gcc_assert, gcc_unreachable): Define. + * config.in: Regenerated. + * configure: Regenerated. + +2005-03-23 Uros Bizjak + + * optabs.h (enum optab_index): Remove OTI_llrint. + (llrint_optab): Remove macro. + * optabs.c (init_optabs): Remove llrint_optab initialization. + * genopinit.c (optabs): Remove llrint_optab implementation. + * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L} + using lrint_optab. + +2005-03-24 Alexandre Oliva + + PR rtl-optimization/20532 + * simplify-rtx.c (simplify_binary_operation_1): Protect from + overflow when adding coefficients for PLUS or MINUS. + (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of + two as multiplier. + +2005-03-23 Joseph S. Myers + + * langhooks.h (truthvalue_conversion): Remove. + * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove + LANG_HOOKS_TRUTHVALUE_CONVERSION. + * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison. + * gimplify.c (gimple_boolify): Don't use truthvalue_conversion. + * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove. + +2005-03-23 Kazu Hirata + + * params.def: Fix a typo. + * config/mips/mips.c: Follow the spelling convensions. + * doc/invoke.texi: Fix typos. + +2005-03-23 Daniel Berlin + + Fix PR tree-optimization/20601 + + * tree-ssa-pre.c (insert_aux): Add missing condition to + constification. + +2005-03-23 Ian Lance Taylor + + * final.c (final_scan_insn): Don't remove no-op instructions. + * reload1.c (reload): Remove simple no-op instructions even when + not optimizing. + +2005-03-23 Dorit Naishlos + + PR tree-optimization/20501 + * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print + reporting that peeling for alignment is applied moved to... + * (vect_analyze_data_refs_alignment): Here. + +2005-03-23 Ian Lance Taylor + + * reorg.c (dbr_schedule): Remove #if 0 code to call final. + +2005-03-23 Rainer Orth + + * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default. + Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A. + +2005-03-23 Hans-Peter Nilsson + + * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not + imply that this is called once, independent of asms in code. + Adjust to now being pased output and input lists. Mention helper + function decl_overlaps_hard_reg_set_p. + * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from + hook_tree_tree_identity and to take three trees, returning third. + * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the + prototype. + * stmt.c: include hard-reg-set.h before tree.h. + (decl_overlaps_hard_reg_set_p): New function, broken out from... + (decl_conflicts_with_clobbers_p): Call + decl_overlaps_hard_reg_set_p. + (expand_asm_operands): Pass output and input lists in call to + targetm.md_asm_clobbers. + * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as + hook_tree_tree_tree_tree_3rd_identity. + * target.h (struct gcc_target.md_asm_clobbers): Take three tree + parameters. + * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype. + * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three + parameters, first two unused. + * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added + parameters. Only add MOF to clobbers if there's no 'h' mentioned + in constraint letters and MOF is not mentioned as a asm-declared + register in neither of the input and output lists. + +2005-03-23 DJ Delorie + + * optabs.c (expand_binop): Make sure the first subword's result + gets stored. + +2005-03-23 Joseph S. Myers + + * c-common.c (c_common_truthvalue_conversion): Adjust comment. + Call c_common_truthvalue_conversion rather than + lang_hooks.truthvalue_conversion. + * c-convert.c (convert): Call c_objc_common_truthvalue_conversion. + * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to + c-typeck.c. + * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to + c_common_truthvalue_conversion. + * c-parser.c (c_parser_paren_condition, c_parser_for_statement, + c_parser_conditional_expression, c_parser_binary_expression): Call + c_objc_common_truthvalue_conversion. + * c-typeck.c (build_unary_op): Call + c_objc_common_truthvalue_conversion. + (build_conditional_expr): Do not call + lang_hooks.truthvalue_conversion. + (build_binary_op): Call c_common_truthvalue_conversion. + (c_objc_common_truthvalue_conversion): Moved from + c-objc-common.c. Call default_function_array_conversion instead + of default_conversion. + +2005-03-23 Joseph S. Myers + + * c-common.h (default_conversion): Remove. + (perform_integral_promotions): Add. + * c-tree.h (default_conversion): Add. + * c-typeck.c (perform_integral_promotions): New, split out from + default_conversion. + * c-common.c (check_case_value): Use perform_integral_promotions, + not default_conversion. + (c_add_case_label): Don't continue processing case label after + found to be pointer. + +2005-03-23 Mark Mitchell + + * gcc.c (do_spec_1): Do not add a -L path for a directory in + the prefix list if we have already added a multilib directory + based on that path. + (main): Do not add MD_EXEC_PREFIX to the list of directories to + search with -L. + +2005-03-22 Kazu Hirata + + * reload1.c (indirect_symref_ok, reload_obstack): Make them + static. + * reload.h: Remove the prototype for indirect_symref_ok. + + * reload1.c (indirect_symref_ok): Make it global. + * reload.h: Add a prototype for indirect_symref_ok. + +2005-03-22 Kaz Kojima + + * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new + ashlhi3 expander. + +2005-03-22 Tobias Schl"uter + + * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments. + +2005-03-22 Daniel Berlin + + * c-opts.c (c_common_parse_file): Only start/end main source file + if debug hooks says the writer wants it. + * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file + member. + (xcoff_debug_hooks): Ditto. + * debug.c (do_nothing_hooks): Ditto. + * debug.h (gcc_debug_hooks): Ditto. + * dwarf2out.c (dwarf2_debug_hooks): Ditto. + * sdbout.c (sdb_debug_hooks): Ditto. + * vmsdbgout.c (vmsdbg_debug_hooks): Ditto. + +2005-03-22 Mark Mitchell + + * doc/extend.texi: Deprecate C++ min/max operators. + +2005-03-22 Zdenek Dvorak + + * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve + artificial original candidates. + +2005-03-22 Richard Guenther + Jan Hubicka + Steven Bosscher + + * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute + call cost based on argument sizes. + (cgraph_mark_inline_edge): Avoid inline unit from shrinking by + inlining. + * params.def: (max-inline-inssn-single): Set to 450. + (max-inline-insns-auto): Set to 90. + (max-inline-insns-recursive): Set to 450 + (max-inline-insns-recursive-auto): Set to 450. + (large-function-insns): Set to 2700. + (inline-call-cost): New parameter. + * tree-inline.c (estimate_move_cost): New function. + (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost + for non-gimple-regs, set cost to 0 for gimple-regs. Compute call size + based on arguments. + * tree-inline.h (estimate_move_cost): Declare. + * invoke.texi: (max-inline-inssn-single): Change default to 450. + (max-inline-insns-auto): Change default to 90. + (max-inline-insns-recursive): Change default to 450 + (max-inline-insns-recursive-auto): Change default to 450. + (large-function-insns): Change default to 2700. + (inline-call-cost): Document new parameter. + +2005-03-22 Richard Sandiford + + * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES) + (TARGET_DEFAULT): Delete. + * config/i860/i860.opt: New file. + +2005-03-22 Richard Sandiford + + * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int) + (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns) + (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str) + (frv_sched_lookahead): Delete. + * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c. + (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT) + (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD) + (MASK_LIBPIC, MASK_ACC_4, MASK_PACK, MASK_LONG_CALLS) + (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG) + (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC) + (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC) + (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE) + (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT) + (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC) + (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD) + (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR) + (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC) + (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC) + (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE) + (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS) + (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS) + (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT) + (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC) + (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8) + (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS) + (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete. + * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int) + (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns) + (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str) + (frv_sched_lookahead): Delete. + (MASK_DEFAULT_ALLOC_CC): Moved from frv.h. + (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults. + (frv_handle_option): New function. Move -mcpu= handling from... + (frv_override_options): ...here. Remove handling of other + TARGET_OPTIONS. + (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of + TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE. + (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE + and TARGET_NO_MULTI_CE. + (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and + !TARGET_VLIW_BRANCH. + * config/frv/frv.opt: New file. + +2005-03-22 Kazu Hirata + + * fold-const.c (fold_ternary): Take decomposed arguments of + CALL_EXPR. + (fold): Update a call to fold_ternary. + + * fold-const.c (fold_build1, fold_build2, fold_build3): New. + * tree.h: Add corresponding prototypes. + +2005-03-22 Jakub Jelinek + + PR target/20561 + * cfglayout.c (reemit_insn_block_notes): Don't put block notes in + between jump table and its label. + * final.c (shorten_branches): Handle notes in between ADDR_VEC + resp. ADDR_DIFF_VEC and the label preceeding it. + (final_scan_insn): Likewise. Ensure ADDR_VEC resp. ADDR_DIFF_VEC + is emitted in the right section. + +2005-03-22 Kazu Hirata + + * fold-const.c (fold_unary, fold_binary): Update comments + about arguments. + +2005-03-22 Hans-Peter Nilsson + + PR rtl-optimization/20527 + * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an + REG_INC note, test that the register also isn't mentioned in PRED + or SUCC. + +2005-03-22 Ben Elliston + + * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype + and definition. + +2005-03-21 Mike Stump + + * varasm.c (default_assemble_visibility): Remove extra (). + +2005-03-21 Roger Sayle + + PR middle-end/20557 + * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p + to determine whether a block can be duplicated, rather than test + whether the block contains noncopyable insns ourselves. + +2005-03-21 Kazu Hirata + + * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent + predicates. + +2005-03-21 Richard Sandiford + + * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete. + +2005-03-21 Richard Sandiford + + * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL) + (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete. + * config/fr30/fr30.opt: New file. + +2005-03-18 Daniel Berlin + + Fix PR tree-optimization/20542 + + * tree-flow-inline.h (overlap_subvar): Move to here. + * tree-ssa-operands.c: From here. + * tree-flow.h (overlap_subvar): Declare. + * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here. + * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer + for variables with subvars. + +2005-03-21 Mostafa Hagog + + PR middle-end/20177 + * ddg.c (create_ddg_dependence): Ignore reg-anti dependency. + * modulo-sched.c (const_iteration_count): Return on NULL + pre-header. + (print_node_sched_params): Return on NULL dump_file. + (generate_reg_moves): Handle reg-anti dependencies and disregard + closing branch when generating register moves. + (sms_schedule): Mark the SMSed block dirty. + * passes.c (rest_of_handle_sms): Call update_life_info for all + basic-blocks. + * testsuite/gcc.dg/20050321-1.c: New test. + +2005-03-21 Bob Wilson + + * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO. + * config/xtensa/xtensa.md (movsi_internal, movhi_internal, + movqi_internal): Likewise. + +2005-03-21 Bob Wilson + + * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8, + xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4, + xtensa_b4const): Delete prototypes. + (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu, + xtensa_mask_immediate, xtensa_mem_offset): Update prototypes. + (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p, + xtensa_extra_constraint): New prototypes. + (add_operand, arith_operand, nonimmed_operand, mem_operand, + mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand, + lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand, + move_operand, const_float_1_operand, fpmem_offset_operand, + branch_operator, ubranch_operator, boolean_operator): Delete prototypes. + * config/xtensa/xtensa.c (b4const_or_zero): Rename to ... + (xtensa_b4const_or_zero): ...this. Change return type to bool and + argument type to HOST_WIDE_INT. + (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, + xtensa_mask_immediate): Likewise. + (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const): + Likewise. Also make these functions static. + (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete. + (xtensa_const_ok_for_letter_p): New. + (add_operand, arith_operand, nonimmed_operand, mem_operand, + mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand, + lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand, + move_operand, const_float_1_operand, fpmem_offset_operand, + branch_operator, ubranch_operator, boolean_operator): Move to + predicates.md. + (smalloffset_mem_p): Inline code from xtensa_lsi4x4. + (xtensa_mem_offset): Change return type to bool. + (xtensa_extra_constraint): New. + (gen_int_relational): Update type of const_range_p function pointer. + Use xtensa_b4const_or_zero. + * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to + xtensa_const_ok_for_letter_p. Update comments. + (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint. + (PREDICATE_CODES): Delete. + * config/xtensa/xtensa.md: Include predicates.md. + * config/xtensa/predicates.md: New file. + +2005-03-21 Kazu Hirata + + * config/v850/v850-protos.h: Remove the prototypes for + reg_or_int9_operand, reg_or_const_operand, + pattern_is_ok_for_prepare, pattern_is_ok_for_dispose, + reg_or_0_operand, reg_or_int5_operand, call_address_operand, + movsi_source_operand, power_of_two_operand, + not_power_of_two_operand, special_symbolref_operand, + pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and + register_is_ok_for_epilogue. + * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand, + reg_or_int9_operand, reg_or_const_operand, + call_address_operand, special_symbolref_operand, + movsi_source_operand, power_of_two_operand, + not_power_of_two_operand, register_is_ok_for_epilogue, + pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue, + pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to + predicates.md. + * config/v850/v850.h (PREDICATE_CODES): Remove. + * config/v850/v850.md: Include predicates.md. + * config/v850/predicates.md: New. + +2005-03-21 Zack Weinberg + + * Makefile.in (BASEVER, DEVPHASE, DATESTAMP) + (BASEVER_c, DEVPHASE_c, DATESTAMP_c) + (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=. + (itoolsdir, itoolsdatadir): Move definition above new first use. + (install-itoolsdirs): New rule. + (install-mkheaders): Depend on install-itoolsdirs, not + install-include-dir. + +2005-03-21 Kazu Hirata + + * tree-into-ssa.c: Remove obsolete comments. + +2005-03-21 Richard Guenther + + * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete + unrolling if -fpeel-loops is specified, too. + * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): + Remove superfluous check for flag_unroll_loops. + +2005-03-21 Uros Bizjak + + * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint. + (lrint_optab, llrint_optab): Define corresponding macros. + * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab. + * genopinit.c (optabs): Implement lrint_optab using lrintsi2 + pattern and llrint_optab using llrintdi2 patterns. + * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L} + using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab. + (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and + BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if + flag_unsafe_math_optimizations is set. + +2005-03-21 Paolo Bonzini + + * combine.c (combine_simplify_rtx, simplify_if_then_else, + simplify_logical, if_then_else_cond, known_cond, + simplify_comparison): Adjust calls to reverse_comparison. + Don't use combine_reversed_comparison_code). + (combine_reversed_comparison_code): Remove. + (reversed_comparison): Using reversed_comparison_code, move it... + * jump.c (reversed_comparison): ... here. + * rtl.h (reversed_comparison): Add prototype. + +2005-03-21 Kazu Hirata + + * builtins.c (fold_builtin): Take decomposed arguments of + CALL_EXPR. + * fold-const.c (fold_ternary): Update a call to fold_builtin. + * gimplify.c (gimplify_call_expr): Likewise. + * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise. + * tree.h: Update the prototype of fold_builtin. + +2005-03-21 Paolo Bonzini + + * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit. + * rtlhooks.c (gen_lowpart_no_emit_general): New. + * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare. + (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New. + * simplify-rtx.c (simplify_binary_operation_1): Use it. + +2005-03-21 Kazu Hirata + + * builtins.c (fold_builtin_1): Take decomposed arguments of + CALL_EXPR. + (fold_builtin): Update a call to fold_builtin_1. + +2005-03-21 Nathan Sidwell + + PR other/20564 + * gcov.c (output_lines): Only output function block summary when + outputting branch information. + * doc/gcov.texi: Document format of preamble and additional block + information lines. + +2005-03-21 Richard Sandiford + + * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro. + (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make + the defaults false if BITS_PER_UNIT != 8. + (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI) + (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather + than BITS_PER_UNIT != 8. + (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi) + (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi) + (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove + #undefs. + * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI) + (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE. + +2005-03-20 Roger Sayle + + PR middle-end/20539 + * fold-const.c (fold_binary): Fix type mismatch between + TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types. + (fold_binary) : Avoid calling invert_truthvalue + for non-truth-valued expressions. + + * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK + and FUNCTION_DECL in the main switch. + : When changing the result type of these tree nodes, + we also need to convert their operands to match. + : Likewise. + +2005-03-21 Joseph S. Myers + + * c-common.c (lvalue_or_else): Replace by lvalue_error; only give + diagnostic without checking whether an lvalue. + * c-common.h (lvalue_p): Remove. + (enum lvalue_use): Update comment. + (lvalue_or_else): Replace by lvalue_error. + * c-typeck.c (lvalue_p): Make static. + (lvalue_or_else): New. Call lvalue_error. + +2005-03-21 Alan Modra + + * config/rs6000/rs6000.c (rs6000_parm_start): New function. + (function_arg_advance): Use rs6000_parm_start. + (function_arg, rs6000_arg_partial_bytes): Likewise. + +2005-03-20 Joseph S. Myers + + * c-common.c (check_case_value): Adjust comment about stripping + NOPs. + (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR. + * c-typeck.c (default_conversion, convert_arguments, + build_modify_expr, convert_for_assignment, store_init_value, + digest_init): Use STRIP_TYPE_NOPS instead of stripping nops + manually. Remove inaccurate comments. + +2005-03-20 Roger Sayle + Joseph S. Myers + + * varasm.c (do_assemble_alias): Restore comment describing function. + Annotate the target parameter as potentially unused. + +2005-03-20 Marek Michalkiewicz + + PR target/18551 + * config/avr/avr.c (avr_output_function_prologue): Do not use + current_function_name() in a label, use a local label instead. + +2005-03-20 David Edelsohn + + * config/rs6000/rs6000.c (rs6000_generate_compare): Test + flag_finite_math_only, not flag_unsafe_math_optimizations. + +2005-03-20 Kazu Hirata + + * builtins.c (fold_builtin_1): Update a call to + targetm.fold_builtin. + * hooks.c (hook_tree_tree_bool_null): Rename to + hook_tree_tree_tree_bool_null. Take one more argument of type + tree. + * hooks.h: Update the prototype of hook_tree_tree_bool_null. + * target-def.h (TARGET_FOLD_BUILTIN): Define it as + hook_tree_tree_tree_bool_null. + * target.h (gcc_target): Update the prototype of fold_builtin. + * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed + arguments of CALL_EXPR. + * doc/tm.texi (TARGET_FOLD_BUILTIN): Update. Mention the + new prototype. + +2005-03-20 Jan Hubicka + + * cgraph.h (cgraph_node): Add prev_clone pointer. + * cgraph.c (cgraph_remove_node): Remove from doubly linked chain. + (cgraph_clone_node): Produce doubly linked chain. + +2005-03-20 Joseph S. Myers + + * c-common.c (handle_aligned_attribute, check_function_sentinel, + get_nonnull_operand, handle_sentinel_attribute, + check_function_arguments_recurse): Do not strip NOPS from + INTEGER_CSTs. + * c-decl.c (check_bitfield_type_and_width, build_enumerator): + Likewise. + * c-format.c (get_constant): Likewise. + * c-parser.c (c_parser_postfix_expression): Likewise. + * c-typeck.c (set_init_index): Likewise. + (convert_arguments): Don't check for NOP_EXPR containing integer + constant. + +2005-03-20 Kazu Hirata + + * builtins.c (fold_fixed_mathfn, fold_builtin_trunc, + fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround): + Take decomposed arguments of CALL_EXPR. + (fold_builtin_1): Update calls to the functions mentioned + above. + +2005-03-20 Joseph S. Myers + + * c-decl.c (check_bitfield_type_and_width): Require bit-field + width to have integer type. + (build_enumerator): Require enumerator value to have integer type. + +2005-03-19 Joseph S. Myers + + * doc/extend.texi (__builtin_inf): Move statement about INFINITY + to __builtin_inff. + +2005-03-19 Joseph S. Myers + + * c.opt (ansi, std=iso9899:1990, std=iso9899:1999, + std=iso9899:199x): Correct descriptions. + +2005-03-19 Joseph S. Myers + + * config.gcc: Consistently use solaris2.1[0-9]* instead of + solaris2.1[0-9]. + +2005-03-19 Kazu Hirata + + * builtins.c (fold_builtin_memcpy): Take decomposed arguments + of CALL_EXPR. + (expand_builtin_memcpy, fold_builtin_1): Update calls to + fold_builtin_memcpy. + + * builtins.c (fold_trunc_transparent_mathfn): Take decomposed + arguments of CALL_EXPR. + (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil, + fold_builtin_found, fold_builtin_1): Update calls to + fold_trunc_transparent_mathfn. + +2005-03-19 John David Anglin + + PR middle-end/20493 + * fold-const.c (fold_widened_comparison): Don't optimize casts of + function pointers on targets that require function pointer + canonicalization. + (fold_sign_changed_comparison): Likewise. + +2005-03-19 Bernd Schmidt + + * combine.c (try_combine): When changing the mode of a hard reg, make + sure that doing so is valid. + +2005-03-19 Richard Sandiford + + * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static. + (TARGET_HANDLE_OPTION): Override default. + (avr_handle_option): New function. + * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP) + (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS) + (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS) + (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS) + (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK) + (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG) + (TARGET_SWITCHES, avr_init_stack, avr_mcu_name) + (TARGET_OPTIONS): Delete. + * config/avr/avr.opt: New file. + +2005-03-18 2005-03-18 Kazu Hirata + + * config/m32r/m32r-protos.h: Remove the prototypes for + call_address_operand, symbolic_operand, seth_add3_operand, + cmp_int16_operand, uint16_operand, reg_or_int16_operand, + reg_or_uint16_operand, reg_or_cmp_int16_operand, + two_insn_const_operand, move_src_operand, + move_double_src_operand, move_dest_operand, + eqne_comparison_operator, signed_comparison_operator, + large_insn_p, conditional_move_operand, carry_compare_operand, + m32r_block_immediate_operand, extend_operand, + reg_or_eq_int16_operand, int8_operand, and + reg_or_zero_operand. + * config/m32r/m32r.c (call_address_operand, symbolic_operand, + seth_add3_operand, int8_operand, cmp_int16_operand, + uint16_operand, reg_or_int16_operand, reg_or_uint16_operand, + reg_or_eq_int16_operand, reg_or_cmp_int16_operand, + reg_or_zero_operand, two_insn_const_operand, move_src_operand, + move_double_src_operand, move_dest_operand, + eqne_comparison_operator, signed_comparison_operator, + extend_operand, small_insn_p, large_insn_p, + conditional_move_operand, carry_compare_operand, + m32r_block_immediate_operand): Move to predicates.md. + (MAX_MOVE_BYTES): Move to m32r.h. + * config/m32r/m32r.h (PREDICATE_CODES): Remove. + * config/m32r/m32r.md: Include predicates.md. + * config/m32r/predicates.md: New. + +2005-03-18 James E Wilson + + PR c++/19769 + * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract + origin. + +2005-03-18 Kazu Hirata + + * config/mn10300/mn10300-protos.h: Remove the prototypes for + call_address_operand, const_8bit_operand. + * config/mn10300/mn10300.c (call_address_operand, + const_8bit_operand, const_1f_operand): Move to predicates.md. + * config/mn10300/mn10300.h (PREDICATE_CODES): Remove. + * config/mn10300/mn10300.md: Include predicates.md. + * config/mn10300/predicates.md: New. + +2005-03-18 Joseph S. Myers + + * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for + declarations in diagnostics and %E for identifiers, not %s. + +2005-03-18 Jan Hubicka + Dale Johannesen + + * basic-block.h (scale_bbs_frequencies_int, + scale_bbs_frequencies_gcov_type): Declare. + * cfg.c (RDIV): New macro. + (update_bb_frequency_for_threading): Fix. + * basic-block.h (scale_bbs_frequencies_int, + scale_bbs_frequencies_gcov_type): New. + * cfgloopmanip.c (scale_bbs_frequencies): Kill. + (scale_loop_frequencies, duplicate_loop_to_header_edge): Use + scale_bbs_frequencies_int. + * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info. + +2005-03-18 Kazu Hirata + + * config/m32r/m32r-protos.h: Remove the prototypes for + call_address_operand, symbolic_operand, seth_add3_operand, + cmp_int16_operand, uint16_operand, reg_or_int16_operand, + reg_or_uint16_operand, reg_or_cmp_int16_operand, + two_insn_const_operand, move_src_operand, + move_double_src_operand, move_dest_operand, + eqne_comparison_operator, signed_comparison_operator, + large_insn_p, conditional_move_operand, carry_compare_operand, + m32r_block_immediate_operand, extend_operand, + reg_or_eq_int16_operand, int8_operand, and + reg_or_zero_operand. + * config/m32r/m32r.c (call_address_operand, symbolic_operand, + seth_add3_operand, int8_operand, cmp_int16_operand, + uint16_operand, reg_or_int16_operand, reg_or_uint16_operand, + reg_or_eq_int16_operand, reg_or_cmp_int16_operand, + reg_or_zero_operand, two_insn_const_operand, move_src_operand, + move_double_src_operand, move_dest_operand, + eqne_comparison_operator, signed_comparison_operator, + extend_operand, small_insn_p, large_insn_p, + conditional_move_operand, carry_compare_operand, + m32r_block_immediate_operand): Move to predicates.md. + (MAX_MOVE_BYTES): Move to m32r.h. + * config/m32r/m32r.h (PREDICATE_CODES): Remove. + * config/m32r/m32r.md: Include predicates.md. + * config/m32r/predicates.md: New. + + * config/pa/pa-protos.h: Add prototypes for magic_milli and + shadd_constant_p. + * config/pa/pa.c (reg_or_0_operand, call_operand_address, + symbolic_operand, symbolic_memory_operand, + reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand, + indexed_memory_operand, move_dest_operand, move_src_operand, + prefetch_cc_operand, prefetch_nocc_operand, + reg_or_cint_move_operand, pic_label_operand, fp_reg_operand, + arith_operand, arith11_operand, pre_cint_operand, + post_cint_operan, arith_double_operand, ireg_or_int5_operand, + ireg_operand, int5_operand, uint5_operand, int11_operand, + uint32_operand, arith5_operand, and_operand, ior_operand, + lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand, + pc_or_label_operand, div_operand, plus_xor_ior_operator, + shadd_operand, movb_comparison_operator, + cmpib_comparison_operator): Move to predicates.md. + (magic_milli, shadd_constant_p): Make it extern. + * config/pa/pa.h (PREDICATE_CODES): Remove. + * config/pa/pa.md: Include predicates.md. + * config/pa/predicates.md: New. + + * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent + predicate. + +2005-03-18 Kazu Hirata + + * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c, + config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md, + config/alpha/freebsd.h, config/alpha/linux.h, + config/alpha/netbsd.h, config/alpha/osf5.h, + config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h, + config/h8300/h8300-protos.h, config/h8300/h8300.c, + config/h8300/h8300.h, config/ia64/unwind-ia64.c, + doc/cppopts.texi: Update copyright. + +2005-03-18 Jan Hubicka + + PR middle-end/20225 + * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called + too late. + * varasm.c (find_decl_and_mark_needed): Mark needed only when not + called too late. + +2005-03-18 Kazu Hirata + + * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of + VEC_safe_push. + +2005-03-18 Paolo Bonzini + + * combine.c (gen_binary): Remove. + (known_cond, simplify_shift_const, find_split_point, + combine_simplify_rtx, simplify_if_then_else, simplify_set, + simplify_logical, expand_field_assignment, extract_left_shift, + force_to_mode, if_then_else_cond, apply_distributive_law, + simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine, + simplify_comparison, reversed_comparison): Replace with + simplify_gen_binary, simplify_gen_relational or + distribute_and_simplify_rtx. + (distribute_and_simplify_rtx): New function. + +2005-03-18 Alexey Neyman + Paolo Bonzini + + * calls.c (setjmp_call_p, special_function_p): Update comments + at the head of the functions. + +2005-03-18 Jan Hubicka + + * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition. + + * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether + function body should be released; do not proactively release function + bodies in non-unit-at-a-time mode. + +2005-03-18 Ralf Corsepius + + * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon, + mno-fp-ret-in-387 multilib variants. + +2005-03-18 Richard Sandiford + + * common.opt (m): Remove. + * opts.c (handle_option): Pass 'm' options to set_target_switch if + table lookup fails. + (common_handle_option): Remove OPT_m case. + +2005-03-18 Kazu Hirata + + * builtins.c (fold_builtin_bitop): Take decomposed arguments + of CALL_EXPR. + (fold_builtin_1): Update a call to fold_builtin_bitop. + + * builtins.c (fold_builtin_signbit): Take decomposed arguments + of CALL_EXPR. + (fold_builtin_1): Update a call to fold_builtin_signbit. + +2005-03-17 Dorit Naishlos + + PR tree-optimization/20474 + * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the + size_type of the relevant pointer. Check for COMPLETE_TYPE_P. + +2005-03-17 Kazu Hirata + + * config/h8300/h8300-protos.h: Remove prototypes for + general_operand_src, general_operand_dst, single_one_operand, + single_zero_operand, call_insn_operand, + two_insn_adds_subs_operand, small_call_insn_operand, + jump_address_operand, bit_operand, bit_memory_operand, + stack_pointer_operand, const_int_gt_2_operand, + const_int_ge_8_operand, const_int_qi_operand, + const_int_hi_operand, incdec_operand, bit_operator, + nshift_operator, eqne_operator, gtle_operator, + gtuleu_operator, iorxor_operator. + Add prototypes for h8sx_shift_type h8sx_classify_shift and + h8300_ldm_stm_parallel. + * config/h8300/h8300.c (h8sx_shift_type,): Move to + h8300-protos.h. + (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA, + SYMBOL_FLAG_TINY_DATA): Move to h8300.h. + (h8300_ldm_stm_parallel): Make it extern. + (h8300_ldm_parallel, h8300_stm_parallel, + h8300_return_parallel, general_operand_src, + general_operand_dst, h8300_dst_operand, h8300_src_operand, + nibble_operand, reg_or_nibble_operand, single_one_operand, + single_zero_operand, call_insn_operand, + two_insn_adds_subs_operand, small_call_insn_operand, + jump_address_operand, bit_operand, bit_memory_operand, + stack_pointer_operand, const_int_gt_2_operand, + const_int_ge_8_operand, const_int_qi_operand, + const_int_hi_operand, incdec_operand, eqne_operator, + gtle_operator, gtuleu_operator, iorxor_operator, bit_operator, + h8sx_binary_memory_operator, h8sx_unary_memory_operator, + h8sx_unary_shift_operator, h8sx_binary_shift_operator, + nshift_operator): Move to predicates.md. + * config/h8300/h8300.h (PREDICATE_CODES): Remove. + * config/h8300/h8300.md: Include predicates.md. + * config/h8300/predicates.md: New. + +2005-03-17 Richard Henderson + + * config.gcc (ia64*-*-hpux*): Add extra_options. + * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove. + (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR. + * config/ia64/ia64.c (ia64_fixed_range_string): Remove. + (ia64_tls_size_string, ia64_tune_string): Remove. + (ia64_tune): Init to PROCESSOR_ITANIUM2. + (TARGET_DEFAULT_TARGET_FLAGS): New. + (TARGET_HANDLE_OPTION): New. + (ia64_override_options): Move options parsing ... + (ia64_handle_option): ... here. New. + * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS, + MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32, + MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC, + MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR, + MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR, + MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM, + MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD, + TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES, + TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC, + TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR, + TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR, + TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT, + TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM, + TARGET_EARLY_STOP_BITS): Remove. + (TARGET_ILP32): Default false. + (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove. + (enum ia64_inline_type): New. + (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR. + * config/ia64/ia64.md: Update for new definitions of + TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT. + * config/ia64/ia64.opt: New file. + * config/ia64/ilp32.opt: New file. + +2005-03-17 H.J. Lu + + PR target/18380 + * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed. + +2005-03-17 Kazu Hirata + + * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1 + instead of MASK_H8300S. + * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC, + MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE, + MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300, + MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES, + TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H, + TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300, + TARGET_SWITCHES): Remove. + (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and + TARGET_H8300SX. + * config/h8300/h8300.opt: New. + + * config/alpha/alpha.opt, config/arc/arc.opt, + config/h8300/h8300.opt, config/mips/mips.opt: Add copyright + notices. + +2005-03-17 Ian Lance Taylor + + * gmon.c: Remove. + +2005-03-17 Richard Sandiford + + * config/arc/arc.c (arc_cpu_string): Make static. Default to "base" + (arc_text_string, arc_data_string, arc_rodata_string): Make static. + (TARGET_HANDLE_OPTION): Override default. + (arc_handle_option): New function. + (arc_init): Remove code to set arch_cpu_string. + * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU) + (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC) + (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS) + (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC) + (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT) + (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string) + (arc_rodata_string, TARGET_OPTIONS): Delete. + * config/arc/arc.opt: New file. + +2005-03-17 Richard Henderson + + * doc/extend.texi (Weak Pragmas): New section. + (attribute alias): Clarify that target must be in the same + translation unit. + +2005-03-17 Richard Henderson + + * config/alpha/alpha.opt: New file. + * config/alpha/alpha.c (alpha_tune): New. Rename all existing uses + of alpha_cpu. + (alpha_cpu_string, alpha_tune_string, alpha_tp_string, + alpha_fprm_string, alpha_fptm_string): Make static. + (alpha_tls_size_string): Remove. + (alpha_handle_option): New. + (override_options): Update for alpha_cpu/alpha_tune split. + (alpha_file_start): Likewise. + (TARGET_DEFAULT_TARGET_FLAGS): New. + (TARGET_HANDLE_OPTION): New. + * config/alpha/alpha.h (alpha_tune): Declare. + (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS, + MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE, + MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS, + TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX, + TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX, + TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS, + MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL, + MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128, + TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6, + TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove. + (TARGET_SWITCHES, TARGET_OPTIONS): Remove. + (TARGET_DEFAULT): Remove MASK_FP. + (TARGET_FP): Redefined based on TARGET_SOFT_FP. + (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS. + (alpha_cpu_string, alpha_tune_string, alpha_fprm_string, + alpha_fptm_string, alpha_tp_string, alpha_mlat_string, + alpha_tls_size_string): Remove. + * config/alpha/alpha.md (prefetch): Use alpha_cpu. + (attribute tune): Rename from attribute cpu. + * config/alpha/ev4.md: Update to match. + * config/alpha/ev5.md, config/alpha/ev6.md: Likewise. + * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP. + * config/alpha/linux.h (TARGET_DEFAULT): Likewise. + * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise. + * config/alpha/osf5.h (TARGET_DEFAULT): Likewise. + * config/alpha/vms.h (TARGET_DEFAULT): Likewise. + +2005-03-16 James E. Wilson + + * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute, + and return without creating new state if before_nops_num is nonzero. + * config/ia64/ia64.md (first_insn): New attribute. + (alloc): Set it to yes. + +2005-03-16 Daniel Berlin + + * tree-vectorizer.c (new_vec_stmt_info): Initialize + STMT_VINFO_SUBVARS to NULL. + * tree-vect-analyze.c (vect_analyze_data_refs): Ditto. + +2005-03-16 Dale Johannesen + + * rtlanal.c (find_first_parameter_load): Rewrite to + return actual first param load or the call if none, + instead of first in block, when not all loads exist. + +2005-03-16 Roger Sayle + + * optabs.c (expand_copysign_absneg): Make static. + * optabs.h (expand_copysign_absneg): Delete prototype. + * config/rs6000/rs6000.md (copysigntf3): Delete pattern. + +2005-03-16 Richard Henderson + + PR middle-end/15700 + * varasm.c (struct alias_pair): Rename from struct output_def_pair. + (alias_pairs): Rename from output_defs. + (find_decl_and_mark_needed): Split out from assemble_alias. + (do_assemble_alias): New. + (assemble_output_def): Remove. + (finish_aliases_1, finish_aliases_2): New. + (process_pending_assemble_output_defs): Remove. + (assemble_alias): Defer aliases for which we don't yet have a + non-external decl for the target symbol. + * passes.c (rest_of_decl_compilation): Register variables with cgraph. + * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1. + * toplev.c (compile_file): Use finish_aliases_2 instead of + process_pending_assemble_output_defs. + * tree.h (finish_aliases_1, finish_aliases_2): Declare. + (process_pending_assemble_output_defs): Remove. + +2005-03-16 Daniel Berlin + + Fix PR tree-optimization/20489 + + * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT + for empty structures. + +2005-03-16 Daniel Berlin + + Fix PR tree-optimization/20490 + + * tree-ssa-pre.c (create_expression_by_pieces): Use + force_gimple_operand on result of fold. + +2005-03-16 Andrew Pinski + + * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number + of closing parenthesis. + +2005-03-16 Kazu Hirata + + * builtins.c (expand_movstr): Update a call to + fold_builtin_strcpy. + (expand_builtin_strncpy): Update a call to + fold_builtin_strncpy. + (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed + arguments of CALL_EXPR. + (fold_builtin_1): Update calls to fold_builtin_strcpy and + fold_builtin_strncpy. + * tree-ssa-ccp.c (ccp_fold_builtin): Likewise. + * tree.h: Update the prototypes of fold_builtin_strcpy and + fold_builtin_strncpy. + +2005-03-16 Steven Bosscher + Dorit Naishlos + + * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy + UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero" + error. + +2005-03-16 Steven Bosscher + + * tree-inline.c (walk_type_fields, walk_tree, + walk_tree_without_duplicates): Move from here... + * tree.c: ...to here. + +2005-03-15 Zack Weinberg + + * BASE-VER, DATESTAMP, DEV-PHASE: New files. + * Makefile.in (gcc_version, gcc_version_trigger, ): Delete. + (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c) + (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables. + (version): Define using $(BASEVER_c). + (Makefile, config.status, build/gcov-iov.o): No longer depends on + version.c. + (version.o): Depend on version files; add custom generation command. + (prefix.o): Define BASEVER on command line. + (s-iov): Depend on version files; adjust command. + (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES): + Add gcc-vers.texi. + (gcc-vers.texi): New rule. + (doc/%.info, doc/%.dvi): Add -I . to command line. + (doc/gccinstall.dvi): Likewise. + (PACKAGE): Delete. All uses replaced with "gcc". + * aclocal.m4: Do not include gcc-version.m4. + * configure.ac: Do not invoke TL_AC_GCC_VERSION. + Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION. + Set is_release based on contents of DEV-PHASE. + Set gcc_version based on contents of BASE-VER. + Define WIN32_REGISTRY_KEY only if the user overrode the default. + * config.in, configure: Regenerate. + * gccbug.in: Determine version of GCC in use at runtime. + * gcov-iov.c: Get version number and development phase from + command line, not by including version.c. + * intl.c: Replace all uses of PACKAGE with "gcc". + * libada-mk.in: Delete unused "gcc_version" variable. + * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER. + * version.c: (VERSUFFIX): New hook for redistributors; adjust + commentary to match. + (version_string): Put together from pieces. + * config/alpha/x-vms: Do not use $(gcc_version). + * config/i386/t-nwld: Likewise. + * doc/include/gcc-common.texi: Include gcc-vers.texi for + version-GCC and DEVELOPMENT. + +2005-03-15 Roger Sayle + + PR tree-optimization/17454 + * tree.c (tree_size): Add case for TREE_BINFO. + * fold-const.c (fold_checksum_tree): Only clear the overloaded + field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set. + +2005-03-15 Roger Sayle + + * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and + op1 whilst expanding the signed widenening multiply variant. + +2005-03-15 Richard Sandiford + + * toplev.c (display_target_options): Avoid unused variable warning if + TARGET_SWITCHES and TARGET_OPTIONS are both undefined. + * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static. + (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete. + (mips_isa): Initialize to MIPS_ABI_DEFAULT. + (mips_isa_info): New variable. + (mips_parse_cpu): Remove the first argument and leave the caller + to report errors. + (TARGET_HANDLE_OPTION): Override default. + (mips_handle_option): New function. Move option validation code from... + (override_options): ...here. Update calls to mips_parse_cpu. + * config/mips/mips.h (mips_arch_string, mips_tune_string) + (mips_isa_string, mips_abi_string, TARGET_OPTIONS) + (SUBTARGET_TARGET_OPTIONS): Delete. + * config/mips/mips.opt (mabi=, march=, mflush-func=, mips) + (mno-flush-func, mtune=): New options. + +2005-03-15 Roger Sayle + Richard Henderson + + * real.c (c4x_single_format, c4x_extended_format): Provide values + for signbit_ro for c4x's single and extended floating point formats. + * optabs.c (expand_copysign): Use the floating point format's + signbit_ro for expanding via expand_copysign_absneg, and it's + signbit_rw field for expanding via expand_copysign_bit. + +2005-03-15 Dorit Naishlos + + * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by + known_alignment_for_access_p. + (known_alignment_for_access_p): New. + (do_peeling_for_alignment): Field made int instead of bool and renamed + to peeling_for_alignment. + (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT. + * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This + functionality used to be in vect_analyze_operations. + (vect_analyze_operations): Code to determine vectorization factor was + moved to vect_determine_vectorization_factor. + (vect_enhance_data_refs_alignment): Update to correct alignment when it + is known instead of -1. Set LOOP_PEELING_FOR_ALIGNMENT to peeling + factor. + (vect_analyze_loop): Call vect_determine_vectorization_factor (used to + be part of vect_analyze_operations). + * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when + creating the guard condition, as the number of iterations may be + constant. + (slpeel_tree_peel_loop_to_edge): Use new name of + LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false. + * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known + alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT. + (vect_do_peeling_for_alignment): Use fold. + (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT. + + (vect_update_inits_of_dr): Renamed to + vect_update_init_of_dr. + (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr. + (vectorizable_store): Fix assertion to use == instead of =. + +2005-03-15 Daniel Jacobowitz + + * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear + call_used_regs for wCG registers. + +2005-03-15 Ulrich Weigand + + * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check + for non-offsettable memory references to cope with outstanding reload + replacements, take 2. + +2005-03-15 Uros Bizjak + + PR target/18668 + * config/i386/i386.h (x86_fisttp): New. + (TARGET_FISTTP): New macro. + * config/i386/i386.c (x86_fisttp): Set for NOCONA. + (output_fix_trunc): Add fisttp parameter. Generate fisttp x87 + instruction when fisttp flag is set. + * config/i386/i386-protos.h (output_fix_trunc): Change declaration. + + * config/i386/i386.md (type attribute): Add fisttp. + (unit attribute): Set to i387 for fisttp type. + (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros. + (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for + TARGET_FISTTP. + (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2): + Generate fisttp patterns for TARGET_FISTTP. Implement using mode + macros. + (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp + patterns for TARGET_FISTTP. Enable patterns for + (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros. + (fix_trunc_i387_fisttp_1, fix_trunc_i387_fisttp, + fix_trunc_i387_fisttp_with_temp): New instruction patterns to + implement fisttp x87 insn. + (fix_trunc*_i387_fisttp splitters): New patterns. + (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387): + Rename to *fix_trunc_i387_1. Implement using mode macros. + Disable patterns for TARGET_FISTTP. Add comment about FLAGS_REG + clobber. + (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory): + Rename to fix_trunc_i387 and fix_trunc_i387_with_temp. + Implement using mode macros. Disable patterns for TARGET_FISTTP. + (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory, + fix_trunchi_nomemory): Rename to fix_trunc_i387 and + fix_trunc_i387_with_temp. Implement using mode macros. + Disable patterns for TARGET_FISTTP. + (fix_trunc*_i387 splitters): Implement usign mode macros. + (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse, + fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH). + (fix_trunx*_sse peephole2s): Implement using mode macros. + +2005-03-15 J"orn Rennecke + + PR rtl-optimization/20291 + * combine.c (try_combine): If splitting fails, re-try with + original combined pattern, i.e. before clobber stripping. + +2005-03-14 Eric Christopher + + * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for + STACK_GROWS_DOWNWARD. + +2005-03-14 Roger Sayle + + * real.h (struct real_format): Split the signbit field into two + two fields, signbit_ro and signbit_rw. + * real.c (ieee_single_format, mips_single_format, ieee_double_format, + mips_double_format, ieee_extended_motorola_format, + ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format, + ieee_extended_intel_128_format, ibm_extended_format, + mips_extended_format, ieee_quad_format, mips_quad_format, + vax_f_format, vax_d_format, vax_g_format, i370_single_format, + i370_double_format, c4x_single_format, c4x_extended_format, + real_internal_format): Update initializers for new field. + * builtins.c (expand_builtin_signbit): Use signbit_ro field of the + real_format structure. + * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw + field of the real_format structure. + +2005-03-14 Daniel Berlin + + Fix PR tree-optimization/20458 + + * tree-flow-inline.h (mark_call_clobbered): Don't fiddle + DECL_EXTERNAL on STRUCT_FIELD tags. + (clear_call_clobbered): Ditto. + * tree-ssa-operands.c (note_addressable): Make sure the original + variable doesn't slip into the addressable list if we have + subvars. + * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD + tags too. + +2005-03-14 Geoffrey Keating + + * doc/cppopts.texi (-fexec-charset): Add concept index entry. + (-fwide-exec-charset): Likewise. + (-finput-charset): Likewise. + * doc/invoke.texi (Warning Options): Document -Wnormalized=. + * c-opts.c (c_common_handle_option): Handle -Wnormalized=. + * c.opt (Wnormalized): New. + +2005-03-14 Devang Patel + + * doc/invoke.texi: Add reference to Visibility document. + +2005-03-14 Richard Sandiford + + * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to + MASK_SPLIT_ADDRESSES. + * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete. + (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD) + (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT) + (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS) + (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN) + (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16) + (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY) + (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400) + (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN) + (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE) + (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D) + (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64) + (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE) + (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS) + (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT) + (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA) + (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN) + (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD) + (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV) + (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1) + (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120) + (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS) + (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32) + (TARGET_EXPLICIT_RELOCS): Delete. + (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete. + (TARGET_OPTIONS): Remove entry for -mfix-vr4130. + * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define. + (override_options): Set MASK_LONG64 if -mint64 is given and no + -mlongXX option is. Complain about -mint64 -mlong32. + (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename + MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT. + * config/mips/mips.opt: New file. + +2005-03-14 Richard Sandiford + + * config.gcc (extra_options): New variable for listing option files. + Add ${cpu_type}/${cpu_type}.opt to it if that file exists. + * configure.ac (extra_opt_files): New AC_SUBST variable. + (tm_file_list, tm_include_list): Include options.h first. + * configure: Regenerate. + * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables. + (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files) + (s-options-h): New rule. + (options.h): Depend on it. + (TEXI_GCCINT_FILES): Add options.texi. + * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare. + * hooks.c (hook_bool_size_t_constcharptr_int_true): New function. + * target.h (gcc_target): Add default_target_flags and handle_option. + * target-def.h (TARGET_DEFAULT_TARGET_FLAGS) + (TARGET_HANDLE_OPTION): New macros. + (TARGET_INITIALIZER): Include them. + * opt-functions.awk (opt_args, nth_arg): New functions. + (switch_flags): Handle the "Target" flag. + (var_args): Delete. + (var_name): Use opt_args and nth_arg. + (var_set, var_ref): Likewise. Handle "Mask" and "InverseMask". + * opth-gen.awk: Declare target_flags. Declare MASK_* and TARGET_* + macros for the "Mask" and "InverseMask" options. + * opts.h (cl_var_cond): New enum. + (cl_option): Replace the "has_set_value" and "set_value" fields with + "var_cond" and "var_value". + (CL_TARGET): New macro. + (option_enabled, print_filtered_help): Declare. + (decode_options): Move definition. + * opts.c (handle_option): Search for the original option before + removing any "no-" prefix. Handle CL_TARGET. Adjust for the new + var_cond and var_value fields. Use targetm.handle_option to handle + target options. + (decode_options): Set target_flags to targetm.default_target_flags. + (print_filtered_help): Make global. Handle CL_TARGET. + (option_enabled): New function. + * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES. + (display_target_options, set_target_switch, print_switch_values) + (default_pch_valid_p): Guard uses of target_switches with + #ifdef TARGET_SWITCHES. Also... + (display_target_options): Display the CL_TARGET entries in cl_options. + (set_target_option): Don't complain about the "" option when + TARGET_SWITCHES is undefined. + (print_switch_values): Use option_enabled. + (default_pch_valid_p): Check cl_options[] when looking for something + that has changed the value of target_flags. + * c.opt: Remove documentation from top of file. + * doc/gccint.texi: Add an "Options" chapter. Include options.texi. + * doc/sourecebuild.texi: Refer to the new options documentation + instead of c.opt. Document machine-specific .opt files. + * doc/tm.texi (target_flags): Say that this variable is declared + by options.h. + (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document. + (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as + an alternative. + * doc/options.texi: New file. + +2005-03-14 Alexandre Oliva + + PR middle-end/18628 + * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a + register. + +2005-03-14 Alexandre Oliva + + PR c++/20280 + * gimplify.c (gimplify_cond_expr): Add fallback argument. Use a + temporary variable of pointer type if an lvalues is required. + (gimplify_modify_expr_rhs): Request an rvalue from it. + (gimplify_expr): Pass fallback on. + +2005-03-14 Kazu Hirata + + * cfgbuild.c: Update comments. + +2005-03-14 Roger Sayle + + PR rtl-optimization/17236 + * optabs.c (expand_doubleword_mult): New helper function split out + from expand_binop. Permute the order in which instructions are + emitted to minimize the number of simultaneously live registers. + (expand_binop): Call expand_doubleword_mult to synthesize a double + word multiplication. + +2005-03-14 Kazu Hirata + + * basic-block.h: Update the prototypes of cached_make_edge and + rtl_make_eh_edge. + * cfg.c (cached_make_edge): Take edge_cache representing one + row of the adjacency matrix of edges. + * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise. + (make_edges): Initialize edge_cache to represent one row of + the adjacency matrix of edges. + +2005-03-14 Zdenek Dvorak + + * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order): + New functions. + (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement. + Remove unused removed_phis variable. + (conditional_replacement): Use build1/build2. + (abs_replacement): Use last_and_only_stmt and build1/build2. + +2005-03-14 Zdenek Dvorak + + * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST, + ATTR_PURE_NOTHROW_NOVOPS_LIST): New. + * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS. + (BUILT_IN_PREFETCH): Set the NOVOPS attribute. + * c-common.c (handle_novops_attribute): New function. + (c_common_attribute_table): Add "no vops" entry. + * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS. + * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS. + * tree-ssa-operands.c (get_call_expr_operands): Do not + create virtual operands for calls with ECF_NOVOPS flag. + * tree.h (DECL_IS_NOVOPS): New macro. + (struct tree_decl): Add novops_flag. + (ECF_NOVOPS): New constant. + +2005-03-14 Uros Bizjak + + PR target/17688 + * config/i386/i386.c (x86_use_himode_fiop): New. + (x86_use_simode_fiop): Rename from x86_use_fiop. + * config/i386/i386.h (x86_use_himode_fiop): Declare. + (TARGET_USE_HIMODE_FIOP): New. + (x86_use_simode_fiop): Rename from x86_use_fiop. + (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP. + + * config/i386/i386.md (X87MODEI12): New mode macro define. + (*cmpfp_): Rename from *cmpfp_si. Use X87MODEI12 mode macro + to implement x87 FP compare with HImode input operands. + (*fp_jcc_8_387, splitter): Rename from *fp_jcc_8_387. + Use X87MODEI12 mode macro to handle HImode input operands. + (*fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387, + *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387): + Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387, + *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode + macro to implement x87 operators with HImode input operands. + (fop splitters): Use X87MODEI12 mode macro to handle HImode + input operands. + +2005-03-14 Zdenek Dvorak + + * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of + integer_zerop. + * tree-gimple.c (is_gimple_min_invariant): Consider overflowed + constants invariant. + +2005-03-14 Zdenek Dvorak + + * basic-block.h (BB_VISITED): Removed. + * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag. + +2005-03-14 Falk Hueffner + + PR bootstrap/20424 + * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo. + +2005-03-14 Kazu Hirata + + * ggc-zone.c: Fix comment typos. + + * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h, + stringpool.c, config/mips/mips-protos.h: Update copyright. + +2005-03-14 Alan Modra + + * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *" + throughout with its typedef, "rtx". + * config/rs6000/rs6000.c: Likewise. Formatting fixes. + (rs6000_tls_symbol_ref_1): Remove inline keyword. + * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting. Reorder + regs in comment to match code. + +2005-03-14 Kazu Hirata + + * except.c (check_handled): Make it static. + * except.h: Remove the corresponding prototype. + + * function.c (get_func_frame_size): Make it static. + * function.h: Remove the corresponding type. + + * regclass.c (reg_class_superclasses, reg_class_subclasses): + Make them static. + * hard-reg-set.h: Remove the corresponding declarations. + + * tree-cfg.c (verify_stmts): Check that + bb_for_stmt (stmt) == bb for every PHI node and statement. + +2005-03-14 Alan Modra + + * config.gcc: Remove excess indentation. + (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548. + +2005-03-13 Roger Sayle + + PR middle-end/19331 + * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically. + * fold-const.c (fold_sign_changed_comparison): Likewise. + (fold_binary): Optimize comparisons against widened operands if + the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR. + +2005-03-13 Eric Botcazou + + * config/sparc/sparc.c (struct_value_alias_set): New global variable. + (sparc_override_options): Initialize it. + (sparc_struct_value_rtx): Set it on the MEM to be returned. + +2005-03-13 David Edelsohn + + * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete. + (reg_or_none500mem_operand): New predicate. + (zero_reg_mem_operand): New predicate. + * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate + to reg_or_none500mem_operand. + (extendsfdf2_fpr): Add MEM alternative. + (extenddftf2_internal): Change operand2 predicate to + zero_reg_mem_operand. + +2005-03-13 Daniel Jacobowitz + + * ggc-zone.c: Rewritten. + + * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics + if there are none. + * configure.ac: Define GGC_ZONE for --with-gc=zone. + * config.in: Regenerated. + * configure: Regenerated. + * gengtype.c (write_types_process_field, write_func_for_structure): + Pass new argument to gt_pch_note_object. + * ggc-common.c (struct ptr_data): Add TYPE. + (gt_pch_note_object): Take TYPE argument and save it. + (call_count): Update call to ggc_pch_count_object. + (call_alloc): Update call to ggc_pch_alloc_object. + (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH + file. + * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete. + * ggc-page.c (rtl_zone, tree_zone, garbage_zone) + (ggc_alloc_zone_stat): Delete. + (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument. + * ggc.h (gt_pch_note_object, ggc_pch_count_object) + (ggc_pch_alloc_object): Update prototypes. + (garbage_zone): Delete. + (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to + GGC_ZONE conditional. Update. Change tree_zone and rtl_zone into + pointers. + (tree_id_zone): New variable. + (ggc_alloc_cleared_zone): Remove unused. + (ggc_alloc_zone): Define. + (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone. + * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use + ggc_alloc_zone_stat. + * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object. + * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat) + (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat. + (make_node_stat): Likewise. Use tree_id_zone. + +2005-03-13 Daniel Jacobowitz + Joseph S. Myers + + * configure.ac: Check for MIPS TLS. + * configure: Regenerated. + * config/mips/mips-protos.h (enum mips_symbol_type): Add + SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, + SYMBOL_GOTTPREL, and SYMBOL_TPREL. + * config/mips/mips.c (mips_regno_to_class): Handle V1_REG. + (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define. + (mips_classify_symbol, mips_symbolic_constant_p) + (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols. + (mips_tls_operand_p, mips_call_tls_get_addr) + (mips_legitimize_tls_address, mips_cannot_force_const_mem) + (mips_tls_symbol_ref_1): New functions. + (mips_legitimize_address, mips_legitimize_const_move): Call + mips_legitimize_tls_address. + (override_options): Handle V1_REG and TLS symbols. Disable TLS + for MIPS16. + * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES) + (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG. + (mips_char_to_class): Document V1_REG. + (HAVE_AS_TLS): Provide default. + * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New + constants. + (load_got): Renamed from *load_got. Allow when + !TARGET_ABICALLS. + (tls_get_tp_): New instruction. + +2005-03-13 Daniel Jacobowitz + + * configure.ac: Update checks for target tools. + * configure: Regenerated. + +2005-03-13 Daniel Jacobowitz + + * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic. + +2005-03-13 Roger Sayle + + * expmed.c (expand_mult): Use synthetic multiplication sequences for + more classes of DImode multiplication by constant. Allow both + multiplication by small negative constants (by performing a + multiplication by a positive constant and negating the result) and + multiplications by large powers of two, by using a left shift. + +2005-03-13 Kazu Hirata + + * tree-into-ssa.c (find_idf): Speed up by putting the indexes + of basic blocks into work_stack. + + * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c, + config/mips/vr.h: Update copyright. + + * c-decl.c (c_init_decl_processing): Remove useless calls to + build_function_type. + + * builtins.c (fold_trunc_transparent_mathfn, + fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc, + fold_builtin_floor, fold_builtin_ceil, fold_builtin_round, + fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy, + fold_builtin_strcpy, fold_builtin_strncpy, + fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of + TREE_TYPE (exp). + + * builtins.c (expand_builtin_mathfn_3): Remove local variable + before_call. + + * lambda-code.c (lambda_compute_auxillary_space): Remove local + variable determinant. + + * tree-cfg.c (group_case_labels): Remove local variable type. + + * tree-ssa-live.c (build_tree_conflict_graph): Remove local + variable ann. + + * tree-ssa-phiopt.c (value_replacement): Remove local variable + result. + +2005-03-13 Andy Hutchinson + + PR target/18251 + * config/avr/avr.md (movmemhi): Rewrite as RTL loop. + (*movmemqi_insn): Delete. + (*movmemhi): Delete. + +2005-03-13 Kazu Hirata + + * builtins.c (fold_builtin_classify): Take decomposed + arguments of CALL_EXPR. + (fold_builtin_1): Update a call to fold_builtin_classify. + +2005-03-13 Joseph S. Myers + + PR c/20402 + * c-parser.c (c_parser_struct_or_union_specifier): Don't fall + through into call to parser_xref_tag after parse error. + (c_parser_struct_declaration): Consistently return NULL_TREE on + error. + +2005-03-12 Daniel Berlin + + * tree-flow-inline.h (ref_contains_array_ref): New function. + (lookup_subvars_for_var): Ditto. + (get_subvars_for_var): Ditto. + (var_can_have_subvars): Ditto. + + * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD. + (struct subvar): New type. + + * tree-dfa.c (okay_component_ref_for_subvars): New function. + + * tree-optimize.c (init_tree_optimization_passes): Call + pass_create_structure_vars. + + * tree-ssa-alias.c: Include vec.h. + (init_alias_info): Don't auto-clear call clobbered on struct-field + tags. + (compute_flow_insensitive_aliasing): Handle subvars. + (group_aliases): Handle STRUCT_FIELD aliases. + (setup_pointers_and_addressables): Ditto. + Don't mark variables non-addressable if they still have + addressable subvars. + Also mark subvars addressable when the real variable is marked + addressable. + (add_pointed_to_var): Try to prune the pointed-to set by only + pointing to subvars when possible. + Otherwise, make sure we set addresses_needed and pt_vars to + properly include subvars. + (bitpos_of_field): New function. + (push_fields_onto_fieldstack): Ditto. + (get_or_create_used_part_for): Ditto. + (create_overlap_variables_for): Ditto. + (find_used_portions): Ditto. + (create_structure_vars): Ditto. + (pass_create_structure_vars): New structure. + + * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert. + (get_expr_operands): Handle subvars. Also try to turn + COMPONENT_REF accesses into must-defs now that we can accurately + portray it. + (note_addressable): Try to only mark as addressable those subvars + we know a COMPONENT_REF touches. + (overlap_subvar): New function. + + * tree-vect-analyze.c (vect_object_analysis): Add new parameter. + Handle subvar storing. + (vect_address_analysis): Update caller of vect_object_analysis. + + * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars. + + * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member. + (STMT_VINFO_SUBVARS): New macro. + + * common.opts: add flag_tree_salias. + + * opts.c (decode_options): flag_tree_salias defaults to on. + + * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias. + + * doc/tree-ssa.texi: Document structural alias analysis. + +2005-03-12 Steven Bosscher + + * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node. + * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it. + * tree-ssa-operands.c (get_expr_operands): Likewise. + (get_expr_operands): Likewise for ERROR_MARK. + +2005-03-12 Kazu Hirata + + * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable + var. + + * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable + removed_phis. + + * tree-ssa-pre.c (compute_avail): Remove local variable val. + (mark_operand_necessary): Remove local variable ver. + + * tree-vect-transform.c (vect_get_new_vect_var): Remove local + variable prefix_len. + + * value-prof.c (mod_subtract_transform): Remove local variable + value. + + * builtins.c (fold_builtin_exponent): Take decomposed + arguments of CALL_EXPR. + (fold_builtin_1): Update a call to fold_builtin_exponent. + + * builtins.c (fold_builtin_logarithm): Take decomposed + arguments of CALL_EXPR. + (fold_builtin_1): Update a call to fold_builtin_logarithm. + + * c-decl.c (c_init_decl_processing): Remove local variables + ptr_ftype_void and ptr_ftype_ptr. + + * gimplify.c (gimplify_expr): Remove local variables r0 and + r1. + + * reg-stack.c (move_for_stack_reg): Remove local variable + push_insn. + (compare_for_stack_reg): Remove local variable flags_user. + (convert_regs_1): Remove local variable deleted. + + * tree-if-conv.c (tree_if_convert_cond_expr): Remove local + variable new_cond. + (combine_blocks): Remove local variables exits and new_e. + + * tree-inline.c (expand_call_inline): Remove local variable + decl. + + * tree-ssa-live.c (create_ssa_var_map, + calculate_live_on_entry): Remove local variable snn. + +2005-03-12 Geoffrey Keating + + * c-lex.c (c_lex_with_flags): Add parameter to call to + cpp_spell_token. + +2005-03-11 Per Bothner + + * c-tree.h (struct c_declarator): New id_loc field. + * c-pragma.h (c_lex_with_flags): Take position reference. + * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token, + iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.) + (c_lex): Pass dummy location to c_lex_with_flags. + * c-parser.c (c_lex_one_token): Set c_token's location using + c_lex_with_flags, instead of input_location, which might be "ahead". + (c_parser_direct_declarator): Set declarator's id_loc from + c_token's id_loc. + * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from + declarator's id_loc, rather than probably-imprecise input_location. + (build_id_declarator): Initialize c_declarator's id_loc field. + +2005-03-11 Roger Sayle + + PR middle-end/20419 + * builtins.c (expand_builtin_signbit): Force the signbit's word + into an integer register to avoid SUBREGs of floating point modes. + +2005-03-12 Kazu Hirata + + * cfglayout.c, loop-doloop.c, profile.c, target-def.h, + target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c, + tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c, + config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright. + +2005-03-11 David Edelsohn + + PR rtl-optimization/20306 + * expr.c (emit_move_complex): Set try_int false if mode is + MODE_COMPLEX_FLOAT and mov_optab exists for inner mode. Only try + emit_block_move if try_int is true. + +2005-03-11 Richard Henderson + + PR target/20415 + * config/i386/mmx.md (vec_dupv4hi): Fix predicate. + * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update + to match. + +2005-03-11 Richard Sandiford + + * config/mips/mips.h (mips_fix_vr4130_string): Declare. + (TARGET_FIX_VR4130): New macro. + (TARGET_OPTIONS): Add -mfix-vr4130. + (ISA_HAS_MACCHI): New macro. + (ASM_SPEC): Add -mfix-vr4130. + * config/mips/mips.c (mips_fix_vr4130_string): New variable. + (override_options): Handle mips_fix_vr4130_string. + (mips_avoid_hazards): Clear all_noreorder_p + if we're working around VR4130 errata and the macc alternatives + are not available. + * config/mips/mips.md (mfhilo_): Turn into a define_expand. + (*mfhilo_, *mfhilo__macc): New insns. + * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130. + (MULTILIB_DEFAULTS): Remove leading "march=". + (DRIVER_SELF_SPECS): Likewise. Make -mfix-vr4130 imply -march=vr4130 + if no architecture option is given. + * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the + VR4130 multilibs. + (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs. + * doc/invoke.texi: Document -mfix-vr4130. + +2005-03-11 Richard Sandiford + + * config/mips/mips.c (override_options): Only warn about -mint64 + deprecation if TARGET_INT64. + +2005-03-11 Kaveh R. Ghazi + + * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL, + ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL, + ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which + are non-specific regarding the nonnull parameter positions. + (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2, + ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1, + ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2, + ATTR_MALLOC_NOTHROW_NONNULL_1): Delete. + + * builtins.def: Use the non-specific "nonnull" attibute lists. + +2005-03-11 Zdenek Dvorak + + * basic-block.h (single_succ_p, single_pred_p, single_succ_edge, + single_pred_edge, single_succ, single_pred): Improve comments. + +2005-03-11 Zdenek Dvorak + + * basic-block.h (single_succ_p, single_pred_p, single_succ_edge, + single_pred_edge, single_succ, single_pred): New inline functions. + * bb-reorder.c (rotate_loop, find_traces_1_round, + add_labels_and_missing_jumps, fix_up_fall_thru_edges, + duplicate_computed_gotos): Use the single_succ/pred functions. + * cfganal.c (forwarder_block_p): Ditto. + * cfgbuild.c (compute_outgoing_frequencies): Ditto. + * cfgcleanup.c (try_simplify_condjump, try_forward_edges, + outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg, + merge_seq_blocks): Ditto. + * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto. + * cfglayout.c (fixup_reorder_chain): Ditto. + * cfgloop.c (mark_single_exit_loops, update_latch_info, + canonicalize_loop_headers, verify_loop_structure): Ditto. + * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge, + mfb_update_loops, create_preheader, force_single_succ_latches, + create_loop_notes): Ditto. + * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump, + force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge, + commit_one_edge_insertion, purge_dead_edges, + cfg_layout_can_merge_blocks_p): Ditto. + * except.c (sjlj_emit_function_enter): Ditto. + * flow.c (init_propagate_block_info): Ditto. + * function.c (thread_prologue_and_epilogue_insns): Ditto. + * gcse.c (find_implicit_sets, bypass_conditional_jumps, + insert_insn_end_bb): Ditto. + * ifcvt.c (merge_if_block, find_if_block, find_if_case_1, + find_if_case_2): Ditto. + * lambda-code.c (perfect_nestify): Ditto. + * lcm.c (optimize_mode_switching): Ditto. + * loop-doloop.c (doloop_modify): Ditto. + * loop-init.c (loop_optimizer_init): Ditto. + * loop-iv.c (simplify_using_initial_values): Ditto. + * loop-unroll.c (unroll_loop_runtime_iterations): Ditto. + * loop-unswitch.c (unswitch_loop): Ditto. + * modulo-sched.c (generate_prolog_epilog): Ditto. + * predict.c (combine_predictions_for_insn, estimate_probability, + tree_estimate_probability, last_basic_block_p, + estimate_bb_frequencies): Ditto. + * profile.c (branch_prob): Ditto. + * regrename.c (copyprop_hardreg_forward): Ditto. + * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto. + * tracer.c (layout_superblocks): Ditto. + * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks, + cfg_remove_useless_stmts_bb, cleanup_control_flow, + cleanup_control_expr_graph, disband_implicit_edges, + tree_find_edge_insert_loc, bsi_commit_edge_inserts, + tree_verify_flow_info, tree_make_forwarder_block, + tree_forwarder_block_p, remove_forwarder_block, + remove_forwarder_block_with_phi, merge_phi_nodes): Ditto. + * tree-if-conv.c (tree_if_conversion): Ditto. + * tree-mudflap.c (mf_build_check_statement_for): Ditto. + * tree-ssa-dce.c (remove_dead_stmt): Ditto. + * tree-ssa-dom.c (dom_opt_finalize_block): Ditto. + * tree-ssa-loop-ch.c (should_duplicate_loop_header_p, + copy_loop_headers): Ditto. + * tree-ssa-loop-im.c (loop_commit_inserts): Ditto. + * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto. + * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos, + lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto. + * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto. + * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto. + * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto. + * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto. + * tree-ssa-threadupdate.c (redirect_edges): Ditto. + * tree-tailcall.c (independent_of_stmt_p, find_tail_calls, + eliminate_tail_call, tree_optimize_tail_calls_1): Ditto. + * tree-vect-analyze.c (vect_analyze_loop_form): Ditto. + * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto. + * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard, + slpeel_add_loop_guard): Ditto. + +2005-03-11 James A. Morrison + + PR tree-optimization/15784 + * fold-const.c (fold): Fold ~A + 1 to -A. Fold -A - 1 + and -1 - A to ~A. + + * stmt.c (expand_case): Don't change index_type. Convert minval + to the proper type. + + PR tree-optimization/20130 + * fold-const.c (fold): Fold x * -1 into -x. + +2005-03-11 Kaz Kojima + + PR rtl-optimization/20331 + * rtlanal.c (modified_between_p): Check its address first for MEM. + (modified_in_p): Likewise. + +2005-03-11 Joseph S. Myers + + * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib. + +2005-03-10 Steven Bosscher + + * expr.c (expand_expr_real_1): If possible, use a conditional + move for expanding MIN_EXPR and MAX_EXPR. + Use temp for moving around rtx-en. + +2005-03-10 Andrew Pinski + + PR rtl-opt/20412 + * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the + correct mode. + +2005-03-10 Roger Sayle + + * builtins.c (expand_builtin_signbit): Extend to handle floating + point modes wider than the largest integer type, using the + operand_subword_force function to obtain the signbit's word. + +2005-03-10 Jakub Jelinek + + PR target/20322 + * combine.c (try_combine): If recog_for_combine added CLOBBERs + to NEWI2PAT, fail to combine if they are used by NEWPAT. + +2005-03-10 Aldy Hernandez + + * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section. + +2005-03-10 Kazu Hirata + + * tree-outof-ssa.c (analyze_edges_for_bb): Make the return + type void. + (perform_edge_inserts): Unconditionally call + free_dominator_info. + + * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment. + +2005-03-10 Bob Wilson + + * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define. + +2005-03-10 Nathan Sidwell + + * bitmap.c (bitmap_copy): Remove manual loop unrolling. + + * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and + gcc_unreachable. + (rtl_register_value_prof_hooks, + tree_value_profile_transformations, + tree_register_value_prof_hooks): Likewise. + * var-tracking.c (stack_adjust_offset_pre_post, + variable_htab_free, variable_union, dataflow_set_different_2, + count_uses, variable_was_changed, set_frame_base_location, + set_variable_part, emit_note_insn_var_location, vt_emit_notes, + vt_add_function_parameters): Likewise. + * varasm.c (named_section_real, named_section, make_decl_rtl, + asm_emit_uninitialised, assemble_integer, decode_addr_const, + const_hash_1, compare_constant, copy_constant, force_const_mem, + output_constant_pool_2, output_constant_pool_1, output_constant, + output_constructor, make_decl_one_only, decl_tls_model, + default_no_named_section, default_elf_select_section_1, + default_unique_section_1): Likewise. + * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise. + * vmsdbgout.c (addr_const_to_string): Likewise. + + PR c++/20375 + * function.c (struct assign_parm_data_one): Remove last_named + field. + (assign_parm_find_data_types): Don't determine last_named. + Reorder named_parm determination. + (assign_parms): Only setup varargs on the last non-varadic + parameter. + +2005-03-10 Kazuhiro Inaoka + + * config/m32r/m32r.md (load_sda_base_32): New pattern. Loads + sda base address on medium model. + +2005-03-10 Zdenek Dvorak + + * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence. + * cfgloop.c (flow_loop_nodes_find): Export. + * cfgloop.h (flow_loop_nodes_find, fix_loop_structure): + Declare. + * cfgloopmanip.c (fix_loop_structure): New function. + * predict.c (predict_loops): Clean up the loops information. + * tree-cfg.c (cleanup_tree_cfg_loop): New function. + (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect + loop structure. + * tree-flow.h (cleanup_tree_cfg_loop): Declare. + (rewrite_into_loop_closed_ssa): Declaration changed. + * tree-loop-linear.c (linear_transform_loops): Add argument to + rewrite_into_loop_closed_ssa call. + * tree-ssa-loop-ch.c (copy_loop_headers): Ditto. + * tree-ssa-loop-im.c (move_computations): Ditto. + * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto. + * tree-vectorizer.c (vectorize_loops): Ditto. + * tree-optimize.c: Include cfgloop.h. + (execute_todo): Choose whether to call cleanup_tree_cfg or + cleanup_tree_cfg_loop. + * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables, + (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call. + * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable + cleanup_tree_cfg_loop call. + * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function. + (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support + work on part of cfg. + +2005-03-10 Jakub Jelinek + + PR inline-asm/20314 + * gimplify.c (gimplify_asm_expr): Handle input/output constraints + with multiple alternatives. + + * stmt.c (parse_output_constraint): Fix a typo. + +2005-03-09 Bob Wilson + + * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform" + assembly directive instead of deprecated "no-generics". + +2005-03-09 Ulrich Weigand + + * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check + for non-offsettable memory references to cope with outstanding reload + replacements. + * config/s390/s390.md ("reload_outti"): Call find_replacement to + avoid losing outstanding address reloads. + ("reload_outdi", "reload_outdf"): Likewise. + +2005-03-09 Kaveh R. Ghazi + + * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange + code. Add more cbrt transformations. + +2005-03-09 Kaveh R. Ghazi + + * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case. + +2005-03-09 Kazu Hirata + + * fold-const.c (fold_unary, fold_binary, fold_ternary): Return + NULL_TREE when a given tree is not simplified. + (fold): Return the original tree when any of the functions + mentioned above NULL_TREE. + + * fold-const.c (fold_unary, fold_binary): Take decomposed + arguments, code, type, op0, and op1 in case of fold_binary. + (fold): Update calls to fold_unary and fold_binary. + +2005-03-09 Roger Sayle + + * builtins.c (fold_builtin_unordered_cmp): Change prototype to take + a fndecl and an arglist instead of a CALL_EXPR, exp. + +2005-03-09 Kazu Hirata + + * cfglayout.c (fixup_reorder_chain): Remove old_bb. + + * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e. + + * expr.c (expand_assignment): Remove orig_to_rtx. + + * fold-const.c (int_const_binop): Remove no_overflow. + + * ifcvt.c (noce_emit_move_insn): Remove inmode. + + * loop-iv.c (get_biv_step_1): Remove lhs. + + * loop-unroll.c (analyze_insns_in_loop): Remove preheader. + + * real.c (real_nan): Remove neg. + + * function.c (thread_prologue_and_epilogue_insns): Remove i + and newinsn. + + * tree-data-ref.c (array_base_name_differ_p): Remove ta and + tb. + + * tree-eh.c (tree_could_trap_p): Remove idx. + + * tree-into-ssa.c (ann): Remove ann. + + * tree-outof-ssa.c (num_nodes): Remove num_nodes. + + * tree-sra.c (decide_block_copy): Remove inst_count. + + * tree-ssa-alias.c (may_alias_p): Remove v_ann. + + * tree-ssa-loop-im.c (lhs): Remove. + + * cfgbuild.c (state, STATE, SET_STATE, + BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before + make_edges. + (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL. + (find_basic_blocks): Set the state of each basic block to + BLOCK_NEW. + +2005-03-08 Jeff Law + + * tree-cfg.c (cleanup_control_flow): If removal of a computed + goto results in the removal of edges in the CFG, then we need + to recompute dominators. + +2005-03-09 Ben Elliston + + * c-common.c (c_do_switch_warnings): Comment fix. + +2005-03-08 Julian Brown + + * Patch from 2005-03-08 reverted for causing regressions and + ppc-darwin bootstrap failure. + +2005-03-08 Fariborz Jahanian + + * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn): + Define the real function for ppc-darwin. + * c-typeck.c (convert_arguments): Check for target-specific + invalid argument call to unprototyped function. + * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN): + New Macro. + * target.h (invalid_arg_for_unprototyped_fn): New field + in struct calls. + * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New + default target hook. + * targhooks.h (hook_invalid_arg_for_unprototyped_fn): + Declare. + +2005-03-08 Kazu Hirata + + * c-typeck.c (constructor_stack, constructor_range_stack, + initializer_stack): Make them static. + + * cfg.c (rbi_pool): Make it static. + + * gimple-low.c (lower_stmt_body): Make it static. + * tree-flow.h: Remove the corresponding prototype. Don't + declare lower_data. + + * sched-deps.c (cache_size): Make it static. + + * stor-layout.c (lang_adjust_rli): Make it static. + +2005-03-08 Julian Brown + + * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK + from being used for symbols with vague linkage when + HAVE_GAS_COMDAT_GROUP is true. + +2005-03-08 J"orn Rennecke + + * jump.c (invert_jump_1): Don't call redirect_jump_1 with + nlabel == JUMP_LABEL (jump). + +2005-03-08 Kazu Hirata + + * c-common.c, c-opts.c, combine.c, cse.c, dojump.c, + gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c, + tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c, + tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting. + +2005-03-08 Alexey Neyman + + PR c/14411 + * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute. + * c-common.c (handle_returns_twice): New function. + (c_common_attribute_table): Declare eturns_twice' attribute. + * doc/extend.texi: Document eturns_twice' attribute. + * tree.h (DECL_IS_RETURNS_TWICE): New macro. + (struct tree_decl): Add returns_twice_flag. + +2005-03-08 Kazu Hirata + + * tree-ssa-phiopt.c: Fix a comment typo. + + * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c, + loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h, + config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update + copyright. + +2005-03-08 Richard Henderson + + * config/alpha/alpha.c (code_for_builtin): Replace special-case + builtin codes with ctzdi2, clzdi2, popcountdi2. + (struct alpha_builtin_def): Add is_const. + (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it. + (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New. + (alpha_init_builtins): Init them. Set nothrow and const attributes + on builtins. + (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot, + alpha_fold_builtin_extxx, alpha_fold_builtin_insxx, + alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh, + alpha_fold_vector_minmax, alpha_fold_builtin_perr, + alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb, + alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw, + alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz, + alpha_fold_builtin_ctpop, alpha_fold_builtin): New. + (TARGET_FOLD_BUILTIN): New. + * config/alpha/alpha.md (UNSPEC_CTTZ): Remove. + (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove. + (ffsdi2): Use ctz. + (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove. + +2005-03-08 Ira Rosen + + PR tree-optimization/20122 + * tree-vect-analyze.c (vect_object_analysis): Analyze initial + condition of access function instead of base. + +2005-03-07 Jeff Law + Steven Bosscher + + * tree-cfg.c (find_taken_edge_computed_goto): New function. + (find_taken_edge): Call find_taken_edge_computed_goto as + appropriate. Allow any gimple invariant rather than just + INTEGER_CST for VAL. + (cleanup_control_flow): Cleanup a computed goto which has turned + into a simple goto. + (tree_merge_blocks): If block B has any forced labels, move + them to the start of block A. + * tree-ssa-dom.c (thread_across_edge): Allow threading across + computed gotos as well. + * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle + removal of unnecessary computed gotos too. + (lookup_redirection_data): Fix type of INSERT argument. Callers + updated. + +2005-03-08 Kazu Hirata + + * tree-ssa-phiopt.c: Update copyright. Fix indentations. + Remove trailing spaces. + + * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr, + unshare_all_trees): Make them static. + * tree-gimple.h: Remove the corresponding prototypes. + + * diagnostic.h: Remove unused prototype + debug_output_buffer. + * modulo-sched.c: Remove unused prototype + set_row_column_for_ps. + + * tree-ssa-phiopt.c (tree_ssa_phiopt, + replace_phi_edge_with_variable): Remove unused variable i. + +2005-03-07 Per Bothner + + * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today. + +2005-03-06 Andrew Pinski + + PR tree-opt/17671 + * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the + bbs on the COND_EXPR instead of the PHI_NODEs. + (candidate_bb_for_phi_optimization): Remove. + (replace_phi_with_stmt): Rename to ... + (replace_phi_edge_with_variable): this and change so that we + replace the phi argument instead of removing the PHI. + (conditional_replacement): Change so we deal with PHI with more + than two arguments. + (value_replacement): Likewise. + (abs_replacement): Likewise. + +2005-03-07 Aldy Hernandez + + * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to + output_e500_flip_gt_bit. + + * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31 + as bit 31. + (rs6000_generate_compare): Fix logic to look at the correct bits. + (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit. + Look at GT bit. + (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to + gen_e500_flip_gt_bit. Rename gen_move_from_CR_eq_bit to + gen_move_from_CR_gt_bit. + + * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit + ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit. + (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT. + + * config/rs6000/spe.md ("e500_cr_ior_compare"): New. + (E500_CR_IOR_COMPARE): New constant. + +2005-03-08 Earl Chew + David Billinghurst + + * config/i386/host-cygwin.c: New file to support precompiled + headers on cygwin + * config/i386/x-cygwin: Use host-cygwin.c on cygwin host + * config.host: Use above files for cygwin host. + +2005-03-07 David Edelsohn + + * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo + ordering ops from earlier change. + +2005-03-07 Per Bothner + + Various fixes to allow us to again build if --enable-mapped-location: + * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of + unavailable annotate_with_file_line, if USE_MAPPED_LOCATION. + * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of + local variable loc. Change logic appropriately. + * tree-vect-transform.c (vect_finish_stmt_generation): Use + EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION. + * c-parser.c (c_parser_for_statement): Initialize loc variable. + * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of + DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues. + +2005-03-07 Richard Sandiford + + PR rtl-optimization/19683 + * reload1.c (choose_reload_regs): Pass the number of bits, not the + number of bytes, to smallest_int_for_mode. Fix arguments to + REG_CANNOT_CHANGE_MODE_P. + +2005-03-07 Eric Botcazou + + * reorg.c (relax_delay_slots): Check that the jump is + conditional before trying to invert it. + +2005-03-07 Kazu Hirata + + * bb-reorder.c (max_entry_frequency, max_entry_frequency): + Make them static. + + * calls (stack_arg_under_construction): Make it static. + + * flow.c (regs_live_at_setjmp): Make it static. + * flow.h: Remove the corresponding prototype. + + * reload1.c (reload_startobj, reload_firstobj, + something_needs_operands_changed, reload_inherited, + reload_inheritance_insn, reload_override_in, + reload_spill_index): Make them static. + + * recog.c (verify_changes): Make it static. + * recog.h: Remove the corresponding prototype. + + * cfgbuild.c (find_sub_basic_blocks): Remove. + * basic-block.h: Remove the corresponding prototype. + * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks + in comments. + * doc/cfg.texi: Don't mention find_sub_basic_blocks. + + * tree-ssa-operands.c (check_build_stmt): Remove. + + * stor-layout.c (set_alignment): Remove. + * tree.h: Remove the corresponding prototype. + + * tree-ssa-pre.c (has_abnormal_preds): Make it static. + + * tree-ssa-dce.c (control_dependence_map, + visited_control_parents): Make them static. + + * cfghooks.c (verify_flow_info): Remove local variable + num_bb_notes. + + * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable + last_bb_seen. + + * loop-unswitch.c (unswitch_loop): Remove local variable src. + +2005-03-07 David Billinghurst + + * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv. + +2005-03-07 Joseph S. Myers + + * config/ia64/hpux.h (LINK_SPEC): Add -z. + * config/ia64/ia64.c (ia64_function_value): Return a REG not a + PARALLEL for an empty structure. + +2005-03-07 Kazu Hirata + + * fold-const.c (fold_binary): Remove handling of RANGE_EXPR. + + * fold-const.c (fold_binary): Unroll the very first "for" + loop. + +2005-03-06 David Edelsohn + + * config/rs6000/predicates.md (branch_comparison_operator): Remove + redundant match_code test. + (scc_comparison_operator): Swap match_operand and match_code + tests. + (branch_positive_comparison_operator): Same. + (trap_comparison_operator): Use comparison_operator and swap with + match_code test. + +2005-03-06 Marek Michalkiewicz + + PR target/20288 + * config/avr/avr.c (print_operand): Add 'p' and 'r'. + (out_movhi_r_mr): Read low byte of volatile MEM first. + (out_movhi_mr_r): Write high byte of volatile MEM first. + +2005-03-05 Kazu Hirata + + * cselib.c (reg_values, reg_values_size): Make them static. + + * cse.c (cse_reg_info_table): Make it static. + + * fold-const.c (fold_unary): Use build1 instead of copy_node. + +2005-03-06 Zdenek Dvorak + + * cse.c (find_best_addr): Use canon_for_address. + +2005-03-06 Kazu Hirata + + * cse.c (fold_rtx_subreg, fold_rtx_mem): New. + (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle + SUBREG and MEM, respectively. + + * fold-const.c (fold_binary): Use code instead of t. + + * fold-const.c (optimize_minmax_comparison): Take decomposed + arguments code, type, op0, and op1 instead of t. + (fold_binary): Update a call to optimize_minmax_comparison. + + * fold-const.c (fold_range_test): Take decomposed arguments + code, type, op0, and op1 instead of t. + (fold_binary): Update a call to fold_range_test. + + * fold-const.c (fold_binary_op_with_conditional_arg): Take + decomposed arguments code, type, op0, and op1 instead of t. + (fold_binary): Update a call to fold_range_test. + +2005-03-06 Kazu Hirata + + * fold-const.c (fold_binary): Avoid directly using the original + expression t as much as possible. + +2005-03-05 Kazu Hirata + + * c-semantics.c (build_stmt): Use TYPE_P instead of + IS_NON_TYPE_CODE_CLASS. + * tree.h (IS_NON_TYPE_CODE_CLASS): Remove. + (NON_TYPE_CHECK): Use TYPE_P instead of + IS_NON_TYPE_CODE_CLASS. + + * fold-const.c (fold): Remove handling of binary expressions. + +2005-03-05 James A. Morrison + + * doc/c-tree.texi: Wrap comments in @r{}. + * doc/cpp.texi: Likewise. + * doc/cppinternals.texi: Likewise. + * doc/extend.texi: Likewise. + * doc/md.texi: Likewise. + * doc/objc.texi: Likewise. + * doc/sourcebuild.texi: Likewise. + * doc/tm.texi: Likewise. + * doc/tree-ssa.texi + +2005-03-05 Kazu Hirata + + * predict.c (apply_return_prediction): Standardize PHI chain + walking. + * tree-ssa.c (ssa_redirect_edge): Likewise. + + * genattrtab.c, genemit.c, genoutput.c, genrecog.c, + gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c: + Update copyright. + + * tree-phinodes.c (remove_phi_node): Drop the last argument. + * tree-flow.h: Adjust the prototype for remove_phi_node. + * lambda-code.c (perfect_nestify): Adjust a call to + remove_phi_node. + * tree-cfg.c + (remove_phi_nodes_and_edges_for_unreachable_block): Likewise. + * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form): + Likewise. + * tree-ssa-dce.c (remove_dead_phis): Likewise. + * tree-ssa-loop-ivopts.c (remove_statement): Likewise. + * tree-ssa-pre.c (remove_dead_inserted_code): Likewise. + * tree-ssa.c (kill_redundant_phi_nodes): Likewise. + + * combine.c (simplify_and_const_int): Use gen_int_mode instead + of GEN_INT (trunc_int_for_mode (...)). + * loop-iv.c (iv_number_of_iterations): Likewise. + * postreload.c (reload_cse_move2add): Likewise. + * simplify-rtx.c (simplify_const_unary_operation, + simplify_const_binary_operation): Likewise. + * stor-layout.c (get_mode_bounds): Likewise. + + * fold-const.c (fold_binary): New. + (fold): Call fold_binary on binary expressions. + +2005-03-05 Richard Sandiford + + * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options. + * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros. + (TARGET_SWITCHES): Add -msym32 and -mno-sym32. + (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32. + (ASM_SPEC): Pass down -msym32 and -mno-sym32. + +2005-03-04 Devang Patel + + PR tree-optimization/18815 + * tree-if-conv.c (combine_blocks): Adjust loop header edges for + loops with zero exit edges. + +2005-03-04 Devang Patel + + * doc/invoke.texi: Remove reference to webpage that does not exist. + +2005-03-04 John David Anglin + Joseph S. Myers + + PR c++/19797 + * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define. + (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external. + * pa-protos.h (pa_hpux_asm_output_external): Add prototype. + * pa.c (get_plabel): Change argument to symbol_ref. Call + maybe_get_identifier instead of get_identifier. + (pa_hpux_asm_output_external, pa_hpux_file_end): New functions. + (struct deferred_plabel): Replace name field with symbol field. + (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if + ASM_OUTPUT_EXTERNAL_REAL is defined. + (output_global_address): Use output_addr_const for output of all + symbol_refs. + (output_deferred_plabels): Use symbol_ref instead of name for address + output. + * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P, + ASM_OUTPUT_SYMBOL_REF): New macros. + * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw. Update + comment. + (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize + label. + +2005-03-05 Joseph S. Myers + + * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for + *-*-hpux11.[1-9]*, not just for *-*-hpux11.11. + +2005-03-04 Jeff Law + + * basic-block.h (rediscover_loops_after_threading): Declare. + * tree-ssa-dom.c: Include cfgloop.h. + (tree_ssa_dominator_optimize): Discover loops and some basic + properties. Remove forwarder blocks recreated by loop header + canonicalization. Also mark backedges in the CFG. + * tree-ssa-threadupdate.c: Include cfgloop.h + (rediscover_loops_after_threading): Define. + (struct local_info): New field, JUMP_THREADED. + (prune_undesirable_thread_requests): New function. + (redirect_edges): Clear EDGE_ABNORMAL. If edges were threaded + then record that fact for the callers of redirct_edges. + (thread_block): If BB has incoming backedges, then call + prune_undesirable_thraed_requests. Note when we are + going to have to rediscover loop information. Return a + boolean indicating if any jumps were threaded. + (thread_through_all_blocks): Bubble up boolean indicating + if any jumps were threaded. + * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h + (tree-ssa-threadupdate.o): Similarly. + +2005-03-04 Kazu Hirata + + * fold-const.c (fold_ternary): Unroll the "for" loop to + extract operands. + +2005-03-04 Andrew Haley + + * unwind-dw2-fde-glibc.c (struct + unw_eh_callback_data.check_cache): New field. + (frame_hdr_cache): New. + (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info. + Cache frame header info. + +2005-03-04 Richard Sandiford + + * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions) + (print_c_condition): Declare. + * read-rtl.c (ptr_loc): New structure. + (ptr_locs, ptr_loc_obstack, joined_conditions) + (joined_conditions_obstack): New variables. + (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc) + (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc) + (join_c_conditions, print_c_condition): New functions. + (apply_macro_to_string): Associate the new string with the same + source location as the old one. + (add_condition_to_string): Use join_c_conditions. + (read_string): Use set_rtx_ptr_loc to record a filename and line + number for the string. + (read_rtx): Initialize the new variables above. + * genattrtab.c (write_test_expr, write_attr_value): Use + print_c_condition. + * genconditions.c (write_header): Don't define MAYBE_EVAL. Move its + comment above the GCC_VERSION check. + (write_one_condition): Use print_rtx_ptr_loc and print_c_condition. + Inline the definition of MAYBE_EVAL. + * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc. + * genoutput.c (process_template): Likewise. + * genpreds.c (write_predicate_subfunction): Likewise. + (write_predicate_expr): Use print_c_condition. + * genrecog.c (write_cond): Likewise. + * gensupport.c (process_rtx): Use join_c_conditions to join the + conditions of a define_insn_and_split. Record a source location + for the string after the "&&". + (alter_test_for_insn): Use join_c_conditions. + +2005-03-04 Andrew Pinski + + Revert for now: + 2005-03-03 James A. Morrison + PR tree-optimization/15784 + * fold-const.c (fold): Fold ~A + 1 to -A. Fold -A - 1 + and -1 - A to ~A. + +2005-03-04 Ben Elliston + + * gcc.c (option_map): Add --coverage. + (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'. + (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'. + * config/darwin.h: Pass -lgcov for `coverage'. + * doc/invoke.texi (Debugging Options): Document --coverage. + +2005-03-04 Kazu Hirata + + * gcse.c (bypass_block): Use find_edge wherever possible. + +2005-03-03 Daniel Berlin + + Fix PR debug/20253 + + * c-opts.c (c_common_parse_file): Call start_source_file + and end_source_file at the approriate times. + + * dwarf2out.c (dwarf2out_finish): Don't auto-end + the main file, it will be done for us now. + +2005-03-04 Kazu Hirata + + * fold-const.c (fold_ternary): New. + (fold): Call fold_ternary on ternary expressions. Remove + handling of ternary expressions. + +2005-03-03 James A. Morrison + + PR tree-optimization/15784 + * fold-const.c (fold): Fold ~A + 1 to -A. Fold -A - 1 + and -1 - A to ~A. + +2005-03-03 David Edelsohn + + * config/rs6000/predicates.md (branch_comparison_operator): + Convert from C block to conditional format. + +2005-03-03 Jan Hubicka + + * tree-dfa.c (add_referenced_var): Don't walk initializer of external + and non-constant public variables. + +2005-03-03 Kazu Hirata + + * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code + with LABEL_EXPR. + + * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of + EDGE_I. + + * tree-phinodes.c (remove_phi_node): Clean up by factoring out + calls to release_ssa_name and release_phi_node. + + * fold-const.c (fold): Remove handling of unary expressions. + + * fold-const.c (fold_unary): Avoid directly using the original + expression t as much as possible. + +2005-03-03 Roger Sayle + Andrew Pinski + + * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a + RETURN rtx, and not a LABEL_REF containing a NULL pointer. + +2005-03-03 Hans-Peter Nilsson + + Describe special registers SRP and MOF as allocatable registers. + * config/cris/cris.c (cris_md_asm_clobbers): New function. + (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers. + (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if + TARGET_HAS_MUL_INSNS. + (cris_print_operand) : New case. + : Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM. + * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't + define. + (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS) + (REG_ALLOC_ORDER): Update for MOF. + (enum reg_class): New members MOF_REGS, GENERAL_REGS and + SPECIAL_REGS. + (GENERAL_REGS): No longer a define of ALL_REGS. + (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES) + (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER): + Adjust accordingly. + (CRIS_SPECIAL_REGS_CONTENTS): New macro. + (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'. + (SECONDARY_RELOAD_CLASS): Define. + (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM. + (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM. + (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM. + (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM. + (REGISTER_MOVE_COST): Define. + (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM. + * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM) + (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM) + (CRIS_MOF_REGNUM): New define_constants. + ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for + special registers. + ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"): + New patterns. + ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3") + ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"): + Adjust for MOF being properly described as a register. + (indir_to_reg_split): Name this split. Conditionalize on the + destination register being a general register. + (movei): Conditionalize on on operands 0 and 1 having the same + register class. + +2005-03-03 Alan Modra + + PR target/20277 + * config/rs6000/rs6000.c (rs6000_override_options): Don't allow + -mcpu to override any other explicitly given flags. + +2005-03-02 J"orn Rennecke + + * recog.c (verify_changes, confirm_change_group): New functions, + broken out of apply_change_group. + (apply_change_group): Use them. + * recog.h (verify_change, confirm_change_group): Declare. + * rtl.h (redirect_jump_2): Declare. + * jump.c (redirect_exp, invert_exp): Delete. + (invert_exp_1): Take second parameter. Return value. Changed caller. + (redirect_jump_2): New function, broken out of redirect_jump. + (redirect_jump): Use redirect_jump_1 and redirect_jump_2. + (invert_jump): Use invert_jump_1 and redirect_jump_2. + * ifcvt.c (dead_or_predicable): Use redirect_jump_2. + +2005-03-02 Geoffrey Keating + + * varasm.c (named_section): Use xstrdup rather than doing it by + hand. + + * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem. + +2005-03-02 Devang Patel + + Undo PR tree-optimization/18815 fix. + +2005-03-02 Devang Patel + + PR tree-optimization/18815 + * tree-if-conv.c (combine_blocks): Adjust loop header edges for + loops with zero exit edges. + +2005-03-02 Kazu Hirata + + * cfg.c (connect_src, connect_dest, disconnect_src, + disconnct_dest): New. + (unchecked_make_edge, remove_edge, redirect_edge_succ, + redirect_edge_pred): Use the new functions. + + * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call + free_dominance_info only when needed. + +2005-03-02 David Edelsohn + + PR target/20276 + * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo. + (reg_or_sub_cint64_operand): Same. + +2005-03-02 Jeff Law + + * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of + CFG_ALTERED in the main DOM iteration loop. + +2005-03-02 Mark Mitchell + + PR c++/19916 + * varasm.c (initializer_constant_valid_p): Allow conversions + between OFFSET_TYPEs. Tidy. + +2005-03-02 Hans-Peter Nilsson + + * config/cris/cris.md ("return"): Remove epilogue delay list + sanity check. + +2005-03-02 Daniel Jacobowitz + + * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT) + for Thumb. + * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise. + +2005-03-02 Kazu Hirata + + * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c, + loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def, + config/m68k/m68k.c, config/mips/mips.h, + config/rs6000/rs6000-protos.h, doc/contrib.texi, + doc/include/gcc-common.texi: Update copyright. + + PR middle-end/18029 and PR middle-end/18030 + * expr.c (optimize_bitfield_assignment_op): Add a special case + to handle BIT_IOR_EXPR and BIT_XOR_EXPR. + + * fold-const.c (fold_unary): New. + (fold): Call fold_unary on unary expressions. + +2005-03-02 Richard Guenther + + * cgraph.h (struct cgraph_edge): Add prev_caller and + prev_callee fields. + (cgraph_node_remove_callees): Export. + * cgraph.c (cgraph_create_edge): Initialize prev_caller + and prev_callee. + (cgraph_edge_remove_callee): New function. + (cgraph_edge_remove_caller): Likewise. + (cgraph_remove_edge): Use. + (cgraph_redirect_edge_callee): Likewise. + (cgraph_node_remove_callees): New function. + (cgraph_node_remove_callers): Likewise. + (cgraph_remove_node): Use. + * tree-optimize.c (tree_rest_of_compilation): Use + cgraph_node_remove_callees instead of manual loop. + * cgraphunit.c (cgraph_finalize_function): Likewise. + (cgraph_expand_function): Likewise. + (cgraph_remove_unreachable_nodes): Likewise. + +2005-03-02 Joseph S. Myers + + PR c/8927 + * c-tree.h (undeclared_variable, build_external_ref): Add extra + argument. + * c-decl.c (undeclared_variable): Take location as argument. + * c-typeck.c (build_external_ref): Likewise. + * c-parser.c (c_parser_postfix_expression): Pass location of + identifier to build_external_ref. + +2005-03-01 David Edelsohn + + * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not + CCEQ mode for branch_positive_comparison_operator test. + * config/rs6000/predicates (branch_comparison_operator): Revert to + define_predicate. + (scc_comparison_operator): Same. + (branch_positive_comparison_operator): Same. + +2005-03-01 Hans-Peter Nilsson + + * config/cris/cris.c (cris_eligible_for_epilogue_delay) + (cris_delay_slots_for_epilogue): Remove. + (save_last): Move into cris_target_asm_function_epilogue. + (cris_target_asm_function_epilogue): Remove tests for file being + NULL. + * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay) + (cris_delay_slots_for_epilogue): Remove prototypes. + * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE) + (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define. + +2005-03-01 David Edelsohn + + * config/rs6000/predicates.md (branch_comparison_operator): Change + to define_special_predicate. + (scc_comparison_operator): Same. + (branch_positive_comparison_operator): Same. + +2005-03-01 Daniel Berlin + + * Makefile.in (tree-ssa-sink.o): New. + (OBJS-common): Add tree-ssa-sink.o. + * common.opt: Add -ftree-sink + * opts.c (decode_options): flag_tree_sink is set at O1 or higher. + * timevar.def (TV_TREE_SINK): new timevar. + * tree-flow.h (is_hidden_global_store): Prototype. + * tree-optimize.c (init_tree_optimization_passes): Add + pass_sink_code. + * tree-pass.h (pass_sink_code): New. + * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking + for non-obvious global store store to is_hidden_global_store, and + call that new function. + * tree-ssa-sink.c: New file. + * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink. + * doc/passes.texi: Document forward store motion. + * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test + * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test + * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test + * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test + +2005-03-01 Per Bothner + + * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION + and we have a non-zero column-number, add it to the message. + Also factor out the diagnostic_kind_text. + +2005-03-01 Zdenek Dvorak + + * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find, + flow_loop_pre_header_scan, flow_loop_pre_header_find, + flow_loop_scan): Removed. + (flow_loop_dump): Do not dump removed fields. + (flow_loop_free): Do not free removed fields. + (flow_loops_find): Flags argument removed. Do not call flow_loop_scan. + (loop_exit_edge_p): New function. + * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges, + num_pre_header_edges, entry_edges, num_entries, exit_edges, + num_exits, exits_doms. + (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES, + LOOP_EDGES, LOOP_ALL): Removed. + (flow_loop_scan): Declaration removed. + (loop_exit_edge_p, mark_loop_exit_edges): Declare. + * cfgloopmanip.c (create_loop_notes): Do not pass flags to + flow_loops_find. + * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c. + (if_convert): Call flow_loops_find and flow_loops_free + when calling mark_loop_exit_edges. + * cfgloopanal.c (mark_loop_exit_edges): Moved from + ifcvt.c. Removed the flow_loops_find, flow_loops_free and + free_dominance_info calls. + * loop-init.c (flow_loops_find): Ditto. + * passes.c (rest_of_handle_branch_prob): Ditto. + * lambda-code.c (perfect_nestify): Do not call flow_loops_find. + * loop-unroll.c (analyze_insns_in_loop): Do not use + EDGE_LOOP_EXIT. + * predict.c (predict_loops): Do not call flow_loop_scan. + Use get_loop_exit_edges. + (tree_estimate_probability): Do not pass flags to flow_loops_find. + * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument. + Do not use EDGE_LOOP_EXIT. + (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop + to bb_with_exit_edge_p. + (if_convertible_loop_p): Do not call flow_loop_scan. Use + loop->single_exit. Do not use EDGE_LOOP_EXIT. Pass loop + to bb_with_exit_edge_p. + (combine_blocks): Pass loop to bb_with_exit_edge_p. Do not use + EDGE_LOOP_EXIT. + * tree-loop-linear.c (linear_transform_loops): Do not call + flow_loop_scan. Use loop->single_exit. + * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit. + (vect_analyze_loop_form): Do not call flow_loop_scan. + * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use + loop->single_exit. + (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and + loop->single_exit. + * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop, + slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p, + slpeel_tree_duplicate_loop_to_edge_cfg, + slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge): + Use loop_preheader_edge and loop->single_exit. Do not call + flow_loop_scan. + +2005-03-01 Nick Clifton + + * config/arm/arm.c (thumb_find_work_register): Check all of the + argument registers to see if they are free, and a couple of + special cases where the last argument register but can be proved + to be available during the function's prologue. + (print_multi_reg, arm_compute_save_reg0_reg12_mask, + output_return_instruction, emit_multi_reg_push, thumb_pushpop, + thumb_unexpanded_epilogue): Use unsigned long as the type for the + register bit-mask. + (thumb_compute_save_reg_mask): Likewise. Also use + thumb_find_work_register() to ensure that there is agreement about + which work register is going to be used in the prologue. + (thumb_output_function_prologue): Use unsigned long as the type + for the register bit-mask. Also delay pushing the link register if + other high registers are going to be pushed. + (thumb_compute_save_reg_mask, emit_multi_reg_push, + print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove + redundant prototypes. + +2005-02-28 John David Anglin + + PR target/19819 + * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during + and after reload in REG+REG indexed addresses without REG_POINTER + set in the base and not set in the index. + +2005-02-28 Kaz Kojima + + * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): + Don't undefine here. + (HANDLE_PRAGMA_PACK_PUSH_POP): Delete. + (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise. + (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS. + (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC, + LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS): + Delete. + * config.gcc (sh*-*-linux*): Use config/linux.h. + +2005-02-28 Dale Johannesen + Stan Shebs + + Rewrite of 64-bit Darwin structure-by-value pass/return. + * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields + intoffset, use_stack, named. + * config/rs6000/rs6000.c (rs6000_darwin64_function_arg): Remove. + (rs6000_darwin64_record_arg_advance_flush): New. + (rs6000_darwin64_record_arg_advance_recurse): New. + (rs6000_darwin64_record_arg_flush): New. + (rs6000_darwin64_record_arg_recurse): New. + (rs6000_darwin64_record_arg): New. + (rs6000_return_in_memory): Remove AGGREGATE_TYPE_P check. + (function_arg_boundary): Handle 128-bit aligned structs. + (function_arg_advance): Rewrite darwin64 struct handling. + (function_arg): Call rs6000_darwin64_record_arg. + (function_arg_partial_nregs): Handle darwin64 structs. + (rs6000_darwin64_function_value): Remove. + (rs6000_function_value): Call rs6000_darwin64_record_arg. + +2005-02-28 Roger Sayle + + PR tree-optimization/20216 + * tree-chrec.c (tree_fold_factorial): Delete. + (tree_fold_binomial): Change argument list to take a return type + and change the type of K to unsigned int. Rewrite to avoid explicit + evaluation of factorials, and (recursively) calling fold to perform + compile-time arithmetic. Return NULL on (internal) overflow. + (chrec_evaluate): Change type of K to an unsigned int. Avoid + calling tree_fold_binomial unnecessarily. Return chrec_dont_know + if any intermediate calculation overflows. + (chrec_apply): Update call to chrec_evaluate. + +2005-02-28 James E Wilson + + * config/mips/mips.h (NO_PROFILE_COUNTERS): Define. + +2005-02-28 Joseph S. Myers + + PR c/20245 + * c-parser.c (c_parser_compound_statement): Return error_mark_node + instead of NULL_TREE on error. + +2005-02-28 David Edelsohn + + * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove. + (EASY_VECTOR_15_ADD_SELF): Remove. + (num_insns_constant_wide): Not static. + (validate_condition_mode): Not static. + (toc_relative_expr_p): Not static. + (legitimate_indirect_address_p): Not static. + (macho_lo_sum_memory_operand): Not static. + (invalid_e500_subreg): Not static. + (easy_vector_same): Not static. + (easy_vector_splat_const): Not static. + (RS6000_SYMBOL_REF_TLS_P): Remove. + (any_operand): Delete. + (any_parallel_operand): Delete. + (count_register_operand): Delete. + (altivec_register_operand): Delete. + (xer_operand): Delete. + (s8bit_cint_operand): Delete. + (short_cint_operand): Delete. + (u_short_cint_operand): Delete. + (non_short_cint_operand): Delete. + (exact_log2_cint_operand): Delete. + (gpc_reg_operand): Delete. + (cc_reg_operand): Delete. + (cc_reg_not_cr0_operand): Delete. + (reg_or_short_operand): Delete. + (reg_or_neg_short_operand): Delete. + (reg_or_aligned_short_operand): Delete. + (reg_or_u_short_operand): Delete. + (reg_or_cint_operand): Delete. + (reg_or_arith_cint_operand): Delete. + (reg_or_add_cint64_operand): Delete. + (reg_or_sub_cint64_operand): Delete. + (reg_or_logical_cint_operand): Delete. + (got_operand): Delete. + (got_no_const_operand): Delete. + (easy_fp_constant): Delete. + (easy_vector_constant): Delete. + (easy_vector_constant_add_self): Delete. + (zero_constant): Delete. + (zero_fp_constant): Delete. + (volatile_mem_operand): Delete. + (offsettable_mem_operand): Delete. + (mem_or_easy_const_operand): Delete. + (add_operand): Delete. + (non_add_cint_operand): Delete. + (logical_operand): Delete. + (non_logical_cint_operand): Delete. + (mask_operand): Delete. + (mask_operand_wrap): Delete. + (mask64_operand): Delete. + (mask64_2_operand): Delete. + (and64_operand): Delete. + (and64_2_operand): Delete. + (and_operand): Delete. + (reg_or_mem_operand): Delete. + (lwa_operand): Delete. + (symbol_ref_operand): Delete. + (call_operand): Delete. + (current_file_function_operand): Delete. + (input_operand): Delete. + (rs6000_nonimmediate_operand): Delete. + (rs6000_tls_symbol_ref): Delete. + (save_world_operation): Delete. + (restore_world_operation): Delete. + (load_multiple_operation): Delete. + (store_multiple_operation): Delete. + (vrsave_operation): Delete. + (mfcr_operation): Delete. + (mtcrf_operation): Delete. + (lmw_operation): Delete. + (stmw_operation): Delete. + (branch_comparison_operator): Delete. + (branch_positive_comparison_operator): Delete. + (scc_comparison_operator): Delete. + (trap_comparison_operator): Delete. + (boolean_operator): Delete. + (boolean_or_operator): Delete. + (min_max_operator): Delete. + * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here. + (EASY_VECTOR_15): Moved to here. + (EASY_VECTOR_15_ADD_SELF): Move to here. + (PREDICATE_CODES): Delete. + * config/rs6000/rs6000-protos.h: Delete predicate functions. + Declare functions no longer static. + * config/rs6000/predicates.md: New. + * config/rs6000/rs6000.md: Include predicates.md + +2005-02-28 Kazu Hirata + + * calls.c (emit_call_1): Don't use REG_ALWAYS_RETURN. + (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and + REG_ALWAYS_RETURN. + * cfgrtl.c (need_fake_edge_p): Likewise. + * combine.c (distribute_notes): Likewise. + * emit-rtl.c (try_split): Likewise. + * recog.c (peephole2_opimize): Likewise. + * reg-notes.def (ALWAYS_RETURN): Remove. + * rtl.h (LCT_ALWAYS_RETURN): Remove. + * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN. + * tree.h (ECF_ALWAYS_RETURN): Remove. + +2005-02-28 Roger Sayle + + PR middle-end/19874 + * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion + between different machine modes is never a "useless" conversion. + +2005-02-28 Geert Bosch + + PR ada/15977 + * doc/contrib.texi: List contributors for Ada front end + +2005-02-28 Paolo Bonzini + + * simplify-rtx.c (simplify_unary_operation_1, + simplify_const_unary_operation): New, extracted from... + (simplify_unary_operation): ... this one. + (simplify_binary_operation_1, + simplify_const_binary_operation): New, extracted from... + (simplify_binary_operation): ... this one. + * rtl.h (simplify_const_unary_operation, + simplify_const_binary_operation): Add prototypes. + +2005-02-28 Julian Brown + + * config/elfos.h: Revert my patch from 2005-02-25 since it broke + building libjava and caused PR regression/20228. + +2005-02-28 Paolo Bonzini + + PR bootstrap/17383 + * Makefile.in (host_subdir): New. + (build_objdir): New. Replace ../$(build_subdir) with it throughout. + * configure: Regenerate. + +2005-02-27 Zack Weinberg + + * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux + * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the + installation directory first. + +2005-02-28 Hans-Peter Nilsson + + PR target/19065. + * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)), + not including (reg). Do not check for reg being CRIS_PC_REGNUM. + (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'. + * config/cris/cris.md: Tweak comments referring to Q. + ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi") + ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3") + ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3") + ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3") + ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"): + Insert spaces in constraints to align alternatives vertically for + readability. + ("cmphi"): Ditto. Add separate alternative for operand 0 "r", + operand 1: "M". + +2005-02-27 John David Anglin + + PR rtl-optimization/17728 + * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for + operand 0 from general_operand to move_dest_operand. + +2005-02-26 John David Anglin + + * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw + instead of trying to save and restore TREE_SYMBOL_REFERENCED. + * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define. + (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED. + +2005-02-26 Nathanael Nerode + + * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada. + * configure: Regenerate. + * libada-mk.in: Remove CC; rename + cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada. + +2005-02-26 Andrew Pinski + + PR tree-opt/20188 + * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST + for the lhs, also walk over the tree. Likewise for rhs. + +2005-02-26 Zdenek Dvorak + + * tree-ssa-dom.c (simple_iv_increment_p): New function. + (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations): + Do not propagate value of iv before increment over the increment. + +2005-02-25 Joseph S. Myers + + * c-parser.c: New file. + * c-parse.in: Remove. + * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y): + Remove. + (c-parser.o): Add dependencies. + (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean, + maintainer-clean, TAGS): Update. + * c-config-lang.in (gtfiles): Update. + * gengtype-lex.l: Don't handle "@@". + * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt, + objc_build_synchronized, objc_begin_try_stmt, + objc_begin_catch_clause, objc_finish_catch_clause, + objc_build_finally_clause, objc_finish_try_stmt): New. + * c-tree.h (struct c_declspecs): Add declspecs_seen_p and + type_seen_p. + (c_parse_init): Update comment. + * c-decl.c (c_init_decl_processing): Update comment. + (build_null_declspecs, declspecs_add_qual, declspecs_add_type, + declspecs_add_scspec, declspecs_add_attrs): Initialize and update + new c_declspecs members. + +2005-02-25 Julian Brown + + * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK + from being used for symbols with vague linkage when + HAVE_GAS_COMDAT_GROUP is true. + +2005-02-25 Mark Mitchell + + * doc/include/gcc-common.texi (version-GCC): Update to 4.1. + +2005-02-25 Steve Ellcey + + PR target/19930 + * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document. + (LIBGCC2_HAS_DF_MODE): New. + (LIBGCC2_HAS_XF_MODE): New. + (LIBGCC2_HAS_TF_MODE): New. + * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE. + (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE. + * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE. + (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE. + (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE. + * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat + and add _fixtfdi, _fixunstfdi, _floatditf + * lib1funcs.asm: Remove L__compat. Add L_fixtfdi, + L_fixunstfdi, L_floatditf. + * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define. + (LIBGCC2_HAS_TF_MODE): Define. + +2005-02-25 Diego Novillo + + PR tree-optimization/20204 + * tree-into-ssa.c (insert_phi_nodes_for): Do not use + REWRITE_THIS_STMT markers on PHI nodes. + (rewrite_initialize_block): Likewise. + +2005-02-25 Mark Mitchell + + * version.c (version_string): Update to 4.1. + +2005-02-25 Paolo Carlini + + * doc/extend.texi (5.24 Declaring Attributes of Functions): + Clarify that the alternative way doesn't work in GNU C++. + +2005-02-25 Zdenek Dvorak + + PR tree-optimization/19937 + * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value + to the type of the induction variable. + +2005-02-25 Kaz Kojima + + PR rtl-optimization/20117 + * bb-reorder.c (duplicate_computed_gotos): Don't duplicate + the block including noncopyable insn. + +2005-02-24 Kazu Hirata + + * cse.c (delete_trivially_dead_insns): Speed up by minimizing + calls to find_reg_note. + +2005-02-24 Richard Henderson + + PR tree-opt/20127 + * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from + the type. + +2005-02-24 Fariborz Jahanian + + * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for + vector types if to use base reg for misaligned non-word ld/std. + +2005-02-24 Hans-Peter Nilsson + + PR target/14619 + * config/cris/cris.c (cris_target_asm_function_prologue): Create + dwarf2 label manually and put it after, not before the prologue. + +2005-02-24 David Edelsohn + + PR target/19019 + * reload.c (operands_match_p): Only increment register number for + SCALAR_INT_MODE_P modes in multiple hard registers. + + * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints. + Fix formatting. + +2005-02-24 Volker Reichelt + + * ChangeLog.5: Fix log message typo(s). + * ChangeLog.7: Likewise. + * ChangeLog.tree-ssa: Likewise. + * cfgexpand.c: Fix comment typo(s). + * conflict.c: Likewise. + * defaults.h: Likewise. + * dwarf2out.c: Likewise. + * gcse.c: Likewise. + * ggc-page.c: Likewise. + * tree-eh.c: Likewise. + * tree-ssa-dom.c: Likewise. + +2005-02-24 Jakub Jelinek + + PR target/19019 + * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects. + * config/rs6000/darwin-ldouble.c: Only use the .symver directives + if SHARED is defined. + + PR target/20196 + * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber, + allow splitting only if operands 0 and 3 don't overlap. + +2005-02-24 Richard Henderson + + PR middle-end/19953 + * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New. + (fold_builtin_1): Call them. + * fold-const.c (fold_complex_mult_parts): Split out from ... + (fold_complex_mult): ... here. Fix typo in both imaginary case. + (fold_complex_div_parts, fold_complex_div): New. + (fold): Use them. + * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare. + +2005-02-24 Richard Kenner + + * tree-ssa-ccp.c (visit_assignment): Verify that result of + VIEW_CONVERT_EXPR is_gimple_min_invariant. + + * print-tree.c (print_node_brief): Print LABEL_DECL_UID. + (print_node): Likewise. + Print TYPE_SIZES_GIMPLIFIED. + +2005-02-24 Hans-Peter Nilsson + + * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3") + ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input + operands as commutative in constraints. + +2005-02-24 Diego Novillo + + * tree-into-ssa.c: Re-organize internal functions. + +2005-02-24 Richard Henderson + + PR middle-end/18902 + * c-opts.c (c_common_post_options): Set flag_complex_method to 2 + for c99. + * common.opt (fcx-limited-range): New. + * opts.c (set_fast_math_flags): Set flag_cx_limited_range. + * toplev.c (flag_complex_method): Initialize to 1. + (process_options): Set flag_complex_method to 0 if + flag_cx_limited_range. + * doc/invoke.texi (-fcx-limited-range): New. + +2005-02-24 Kazu Hirata + + * cse.c (delete_trivially_dead_insns): Speed up by using + NEXT_INSN and PREV_INSN directly instead of next_real_insn and + prev_real_insn. + +2005-02-24 Andrea Tarani + + * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf + functions when -mid-shared-library is being used. + +2005-02-23 Daniel Jacobowitz + + * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove. + (LINK_LIBGCC_SPECIAL_1): Don't mention it. + * gcc.c: Don't check for LINK_LIBGCC_SPECIAL. + * system.h: Poison LINK_LIBGCC_SPECIAL. + +2005-02-23 James E Wilson + + * gengtype.c (note_insn_name): Make 1 element larger. + +2005-02-23 Roger Sayle + + PR target/20018 + PR rtl-optimization/20097 + * simplify-rtx.c (simplify_relational_operation_1): Avoid creating + BImode SUBREGs of SImode registers which confuse the ia64 backend. + +2005-02-23 David Edelsohn + + * t-aix43 (SHLIB_INSTALL): Create directory for shared library. + * t-aix52 (SHLIB_INSTALL): Same. + +2005-02-23 Kazu Hirata + + * genpreds.c: Update copyright. + +2005-02-23 Michael Beach + + PR target/20159 + * config/sparc/t-elf (startup files): Assemble with CPP. + +2005-02-23 Paolo Bonzini + + * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands. + (write_predicate_expr): Likewise. + +2005-02-22 Diego Novillo + + PR tree-optimization/20100 + PR tree-optimization/20115 + * tree-optimize.c (init_tree_optimization_passes): Remove + pass_maybe_create_global_var. + * tree-pass.h (pass_maybe_create_global_var): Remove. + * tree-ssa-alias.c (aliases_computed_p): Declare. + (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND. + (count_calls_and_maybe_create_global_var): Remove. + (pass_maybe_create_global_var): Remove. + (init_alias_info): Do not declare aliases_computed_p. + (maybe_create_global_var): If the function contains no + call-clobbered variables and a mix of pure/const and regular + function calls, create .GLOBAL_VAR. + Mark all call-clobbered variables for renaming. + (merge_pointed_to_info): Update comment. + (add_pointed_to_var): Likewise. + (is_escape_site): Likewise. + Accept struct alias_info * instead of size_t *. + Update all users. + Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND + as necessary. + * tree-ssa-operands.c (get_call_expr_operands): If + ALIASES_COMPUTED_P is false, do not add call-clobbering + operands. + * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false. + (delete_tree_ssa): Likewise. + +2005-02-22 James E Wilson + + * toplev.c (backend_init): Don't call init_adjust_machine_modes here. + (do_compile): Do call it here. + +2005-02-22 Kazu Hirata + + PR rtl-optimization/20017. + * passes.c (rest_of_handle_combine, rest_of_handle_cse, + rest_of_handle_cse2, rest_of_handle_gcse): Call + delete_dead_jumptables immediately before calling cleanup_cfg. + +2005-02-22 Devang Patel + + PR 19952 + * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip + all labels + +2005-02-22 David Edelsohn + + * config/rs6000/aix.h (WINT_TYPE): Define. + +2005-02-22 Stan Shebs + + * config/rs6000/rs6000.c (rs6000_override_options): Default to + natural alignment for 64-bit Darwin. + (rs6000_parse_alignment_option): Warn about uses of -malign-power + on 64-bit Darwin. + * doc/invoke.texi: Document this. + +2005-02-22 DJ Delorie + + * c-common.c (c_common_type_for_mode): Pass the mode's precision + to make_[un]signed_type, not the mode itself. + +2005-02-22 Kazu Hirata + + * cfg.c (cached_make_edge): Call make_edge if edge cache is + not available. Use tail calls wherever possible. + (make_edge): Call unchecked_make_edge to create an edge. + + * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove. + (coalesce_ssa_name): Don't check for + SSANORM_USE_COALESCE_LIST. + (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST. + +2005-02-22 Diego Novillo + + * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ... + (rewrite_into_ssa): ... here. + +2005-02-21 Alexandre Oliva + + PR tree-optimization/19786 + * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one + tag to another's may-alias bitmap when adding to the other's list. + +2005-02-21 DJ Delorie + + * tree-ssa-loop-ivopts.c (computation_cost): Start register + numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard + registers in unsupported ways. + * expmed.c (init_expmed): Likewise. + +2005-02-21 Stan Cox + + * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31. + +2005-02-21 Kazu Hirata + + * tree-cfg.c (fold_cond_expr_cond): New. + (make_edges): Call fold_cond_expr_cond. + (find_taken_edge): Accept nothing but INTEGER_CST. + (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0 + and 1. + (find_taken_edge_switch_expr): Remove a check for INTEGER_CST. + + * flow.c (delete_dead_jumptables): Speed up by scanning insns + that do not belong to any basic block. + +2005-02-21 Jeff Law + + * cfganal.c (find_unreachable_blocks): Manually CSE load of + e->dest. + +2005-02-21 Kazu Hirata + + * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove. + (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST): + Adjust their definitions. + (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS. + (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS. + + * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c, + genautomata.c, langhooks.c, langhooks.h, system.h, + config/arm/lib1funcs.asm: Update copyright. + +2005-02-21 Ulrich Weigand + + * dbxout.c (dbxout_function_end): Emit Lscope label always. + +2005-02-21 Richard Guenther + + PR bootstrap/13770 + * doc/install.texi: Document --with-gc. + +2005-02-21 Paolo Bonzini + + * simplify-rtx.c (simplify_unary_operation): Add a missing + "break" statement. + +2005-02-21 Eric Botcazou + + PR tree-optimization/18663 + * tree-ssa-dom.c (extract_range_from_cond): Return 0 + if the type has variable bounds. + +2005-02-20 Kazu Hirata + + * gcse.c: Remove an obsolete comment. + + * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc. + +2005-02-20 Hans-Peter Nilsson + + * doc/extend.texi (Function Attributes) : The + attribute "pure" is below this text, not above. + +2005-02-20 John David Anglin + + * pa.c (pa_assemble_integer, get_plabel): Small cleanups. + (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf. + * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup. + +2005-02-20 Zack Weinberg + + PR 18785 + * langhooks.h (struct lang_hooks): Add to_target_charset. + * langhooks.c (lhd_to_target_charset): New function. + * langhooks-def.h: Declare lhd_to_target_charset. + (LANG_HOOKS_TO_TARGET_CHARSET): New macro. + (LANG_HOOKS_INITIALIZER): Update. + * c-common.c (c_common_to_target_charset): New function. + * c-common.h: Declare it. + * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to + c_common_to_target_charset. + + * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0) + (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT): + Delete definitions. + * system.h: Poison them. + * doc/tm.texi: Don't discuss them. + * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset. + * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char. + (pp_c_char): Do not attempt to generate letter escapes for + newline, tab, etc. + * config/arm/arm.c (output_ascii_pseudo_op): Likewise. + * config/mips/mips.c (mips_output_ascii): Likewise. + +2005-02-20 Dorit Naishlos + + PR tree-optimization/19951 + * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge + is abnormal. + +2005-02-19 Steven Bosscher + + PR middle-end/19698 + * function.h (struct function): New field `max_loop_depth'. + * cfgloop.c (establish_preds): Update maximum loop depth seen so far. + (flow_loops_find): Reset the max loop depth count before finding loops. + * flow.c (MAX_LIVENESS_ROUNDS): New constant. + (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround. + (calculate_global_regs_live): Make sure the loop will terminate + when the initial sets are not empty. + +2005-02-19 Zack Weinberg + + * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy + object inside. + * config/ia64/hpux.h: Don't define LIBGCC_SPEC. + +2005-02-19 Richard Sandiford + + PR other/19525 + * doc/invoke.texi: Remove documentation of %M spec. + * gcc.c: Likewise. + (init_spec): Remove %M suffix from -lgcc_s. + (do_spec_1): Remove 'M' case. + * mklibgcc.in: Remove SHLIB_MULTILIB handling. Expect SHLIB_LINK + to put shared libraries in the multilib directory. Remove the + shlib_so_soname substitution variable. Don't add a multilib encoding + to shlib_base_name. Set shlib_slibdir_qual to the full pathname + reported by -print-multi-os-directory. Pass @multilib_dir@ to + SHLIB_INSTALL as well as SHLIB_LINK. + * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@. + (SHLIB_NAME): Delete. + (SHLIB_DIR): New macro. + (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR). + (SHLIB_INSTALL): Adjust accordingly. + * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver. + * config/t-slibgcc-sld: Likewise. + * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete. + (SHLIBUNWIND_SONAME): Use @shlib_base_name@. + (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK) + in $(SHLIB_DIR). + (SHLIBUNWIND_INSTALL): Adjust accordingly. + * config/i386/t-nwld (SHLIB_SONAME): Delete. + (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME. + Use @shlib_base_name@ instead of @shlib_so_name@. + * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0 + and @shlib_base_name@.so in @multilib_dir@. + (SHLIB_INSTALL): Adjust accordingly. Add @shlib_slibdir_qual@ + to the install path. + * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver. + (SHLIB_LINK): Remove previous workaround. + * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros. + (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR). + (SHLIB_INSTALL): Adjust accordingly. Add $(SHLIB_SLIBDIR_QUAL) to + the install path. + * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in + @multilib_dir@. Use @multilib_dir@ to check for threading libraries. + (SHLIB_INSTALL): Adjust accordingly. + (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries. + * config/rs6000/t-aix52: As for config/rs6000/t-aix43. + * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for + config/t-slibgcc-elf-ver. + +2005-02-19 Zdenek Dvorak + Jakub Jelinek + + PR tree-optimization/19828 + * tree-ssa-loop-im.c: Add a TODO comment. + (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls + without side-effects. + +2005-02-18 James A. Morrison + + * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't + call fold_convert. + +2005-02-18 James E. Wilson + + * doc/invoke.texi (IA-64 Options): Delete -mb-step. + * config/ia64/ia64.c (last_group, group_idx): Delete variables. + (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete + functions. + (ia64_reorg): Delete fixup_errata call. + * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete. + (TARGET_SWITCHES): Delete -mb-step entry. + +2005-02-19 Jakub Jelinek + + PR c/20043 + * c-typeck.c (composite_type): Handle quals in transparent unions. + (type_lists_compatible_p): Likewise. + +2005-02-18 Stan Shebs + + * config/darwin.c (machopic_select_rtx_section): Don't put relocatable + expressions in the .literal8 section. + +2005-02-18 Geoffrey Keating + + * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker. + +2005-02-18 Roger Sayle + + * fold-const.c (constant_boolean_node): Always create values of the + specified type, don't bother calling truthvalue_conversion. + +2005-02-18 Joseph S. Myers + + * except.c (output_function_exception_table): Call + assemble_external_libcall (eh_personality_libfunc). + +2005-02-18 Joseph S. Myers + + PR target/19886 + * config/ia64/ia64.h (struct machine_function): Add state_num. + * config/ia64/ia64.c (process_epilogue, + process_for_unwind_directive): Use new unwind state numbers each + time rather than state 1. + +2005-02-18 Ulrich Weigand + + PR target/20054 + * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to + before the "*llgt_didi" pattern. + +2005-02-18 Jason Merrill + + * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again. + +2005-02-18 Richard Earnshaw + + * arm/lib1funcs.asm (FUNC_ALIAS): New macro. + (div0): Use it in place of ARM_FUNC_ALIAS. + (lshrdi3, ashrdi3, ashlrdi3): Likewise. + +2005-02-18 Andrew Pinski + + PR middle-end/20030 + * fold-const.c (fold_indirect_ref_1): Use the correct index for zero + access, the lower bound of the array type if it exists. + +2005-02-18 Alexandre Oliva + + PR c++/20008 + * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove + cases that are out-of-range for the index type. + +2005-02-18 James A. Morrison + + * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert. + (estimate_case_costs): Don't call convert. + * expmed.c (expand_shift): Likewise. + (make_tree): Call fold_convert instead of convert. + +2005-02-18 Jakub Jelinek + + PR c++/19813 + * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion + that ref to be marked MEM_READONLY_P doesn't have base that needs + constructing. + +2005-02-18 Joseph S. Myers + + * genautomata.c (output_get_cpu_unit_code_func, + output_cpu_unit_reservation_p): Don't generate old-style function + definitions. + +2005-02-18 Jakub Jelinek + + PR c++/20023 + PR tree-optimization/20009 + * convert.c (convert_to_integer): Revert 2005-02-16 change. + + PR tree-optimization/18947 + * cgraphunit.c (cgraph_finalize_function): When redefining an extern + inline, remove all nodes that are inlined into the extern inline + being redefined. + +2005-02-17 Kazu Hirata + + * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c, + loop-invariant.c, stmt.c, tree-ssa-forwprop.c, + tree-ssa-live.c, tree-ssanames.c, tree-vn.c, + config/host-linux.c, config/arm/fpa.md, config/avr/avr.h: + Update copyright. + +2005-02-17 Roger Sayle + + PR tree-optimization/19917 + * tree-eh.c (tree_could_trap_p): Consider calls to weak functions + to be potentially trapping. + +2005-02-17 Kazu Hirata + + * libgcc2.c, tree-vect-analyze.c: Fix comment typos. + +2005-02-17 Andreas Krebbel + + * builtins.c (expand_builtin_return_addr): Remove tem parameter. + tem becomes a local variable which is set to the value of the + back end defined INITIAL_FRAME_ADDRESS macro. + (expand_builtin_frame_address): Omit the base parameter to + expand_builtin_return_addr. + (expand_builtin_profile_func): Likewise. + * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro. + (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame. + * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added. + +2005-02-17 Jakub Jelinek + + * config/s390/s390.c (s390_alloc_pool, s390_free_pool, + s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE. + * config/frv/frv.c (frv_function_epilogue): Likewise. + +2005-02-17 Daniel Berlin + + * lambda-code (perfect_nestify): Remove mark/unmark + for rewriting hack. + * tree-loop-linear.c (linear_transform_loops): Add + rewrite_into_ssa call so that ssa is correct for + rewriting into loop closed. + +2005-02-17 Nathan Sidwell + + * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove. + * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and + BITMAP_FREE. + * bt-load.c (btr_def_live_range, combine_btr_defs, + migrate_btr_def, migrate_btr_defs): Likewise. + * cfgcleanup.c (thread_jump): Likewise. + * cfgloop.c (get_loop_body_in_bfs_order): Likewise. + * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free, + df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute, + df_rd_local_compute, df_reg_info_compute): Likewise. + * dominance.c (init_dom_info, free_dom_info): Likewise. + * flow.c (init_propagate_block_info, + free_propagate_block_info): Likewise. + * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise. + * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav, + modify_reg_pav): Likewise. + * loop-invariant.c (find_defs, find_invariant_insn, + find_invariants, free_inv_motion_data): Likewise. + * predict.c (tree_predict_by_opcode, + estimate_bb_frequencies): Likewise. + * stmt.c (expand_case): Likewise. + * tree-cfg.c (tree_duplicate_sese_region): Likewise. + * tree-dfa.c (mark_new_vars_to_rename): Likewise. + * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise. + * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free, + get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa, + rewrite_ssa_into_ssa): Likewise. + * tree-optimize.c (tree_rest_of_compilation): Likewise. + * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table, + analyze_edges_for_bb, perform_edge_inserts): Likewise. + * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise. + * tree-sra.c (tree_sra): Likewise. + * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise. + * tree-ssa-ccp.c (ccp_fold_builtin): Likewise. + * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise. + * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise. + * tree-ssa-dse.c (tree_ssa_dse): Likewise. + * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var): + Likewise. + * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info, + calculate_live_on_entry, calculate_live_on_exit, + build_tree_conflict_graph): Likewise. + * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use, + record_important_candidates, set_use_iv_cost, find_depends, + determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data, + tree_ssa_iv_optimize_finalize): Likewise. + * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit, + find_uses_to_rename_use, rewrite_into_loop_closed_ssa, + tree_duplicate_loop_to_header_edge): Likewise. + * tree-ssa-pre.c (init_pre, fini_pre): Likewise. + * tree-ssa.c (verify_flow_insensitive_alias_info, + verify_name_tags, verify_ssa, init_tree_ssa, + delete_tree_ssa): Likewise. + * tree-ssanames.c (marked_ssa_names, init_ssanames, + fini_ssanames): Likewise. + * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise. + +2005-02-17 Ralf Corsepius + + * config/rs6000/t-rtems: Completely reworked. + +2005-02-17 Ira Rosen + + * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert. + +2005-02-17 Ira Rosen + + * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use + POINTER_TYPE_P when checking that type is a pointer. + (vect_get_memtag): Remove. + (vect_address_analysis): Use POINTER_TYPE_P. Call + vect_object_analysis with dummy parameter for memtag. + (vect_object_analysis): Extract memtag (functionality that + used to be in vect_get_memtag and moved here). Fix printings. + (vect_analyze_data_refs): Fix comment. Call vect_object_analysis + with correct parameters. Remove call to vect_get_memtag. + +2005-02-17 Dorit Naishlos + + * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New. + (tree-vectorizer.o): Added missing dependencies. + + * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern + decleration. + (slpeel_tree_peel_loop_to_edge): Function externalized (had a static + declaration in tree-vectorizer.c, now has an extern declaration in + tree-vectorizer.h). + (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p, + slpeel_verify_cfg_after_peeling, vect_strip_conversion, + get_vectype_for_scalar_type, vect_is_simple_use, + vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p, + vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info, + new_stmt_vec_info, vect_analyze_loop, vectorizable_load, + vectorizable_store, vectorizable_operation, vectorizable_assignment, + vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level, + find_loop_location): Likewise. + + * tree-vectorizer.c (langhooks.h): #include removed. + (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration + moved to tree-vectorized.h. + (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p, + slpeel_verify_cfg_after_peeling, vect_strip_conversion, + get_vectype_for_scalar_type, vect_is_simple_use, + vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p, + vect_supportable_dr_alignment, new_loop_vec_info, + destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info, + vect_set_verbosity_level, find_loop_location): Likewise. + + (vect_analyze_loop): Function externalized. Declaration moved to + tree-vectorized.h. Function definition moved to tree-vect-analyze.c. + (vect_analyze_loop_form): Moved to tree-vect-analyze.c. + (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles, + vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences, + vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment, + vect_enhance_data_refs_alignment, vect_analyze_operations, + exist_non_indexing_operands_for_use_p, vect_mark_relevant, + vect_stmt_relevant_p, vect_get_loop_niters, + vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment, + vect_analyze_data_ref_access, vect_analyze_pointer_ref_access, + vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr, + vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis, + vect_get_memtag): Likewise. + + (vectorizable_load): Function externalized. Declaration moved to + tree-vectorized.h. Function definition moved to tree-vect-transform.c. + (vectorizable_store, vectorizable_operation, vectorizable_assignment, + vect_transform_loop): Likewise. + (vect_transform_stmt): Moved to tree-vect-transform.c. + (vect_align_data_ref, vect_create_destination_var, + vect_create_data_ref_ptr, vect_create_index_for_vector_ref, + vect_create_addr_base_for_vector_ref, vect_get_new_vect_var, + vect_get_vec_def_for_operand, vect_init_vector, + vect_finish_stmt_generation, vect_generate_tmps_on_preheader, + vect_build_loop_niters, vect_update_ivs_after_vectorizer, + vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr, + vect_update_inits_of_drs, vect_do_peeling_for_alignment, + vect_do_peeling_for_loop_bound): Likewise. + + * tree-vect-analyze.c: New file. + * tree-vect-transform.c: New file. + +2005-02-17 Jason Merrill + + PR mudflap/19319, c++/19317 + * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return + slot explicit. + +2005-02-17 Gerald Pfeifer + + * doc/install.texi (Specific): Update link for Darwin-specific + tool binary site. + +2005-02-16 James A. Morrison + + * fold-const.c (invert_truthvalue): : Call + constant_boolean_node. + +2005-02-16 David Edelsohn + + PR target/19019 + * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver. + * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same. + +2005-02-16 Richard Henderson + + PR 19920 + * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses + with W_TYPE_SIZE. + (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions; + replace uses with Wtype_MAXp1_F. + (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi, + L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi, + L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3, + L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE, + and HAVE_TFMODE as appropriate. + (__fixunssfDI): Provide an implementation that doesn't need DFmode. + (__floatdisf): Likewise. + * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New. + (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New. + (Wtype_MAXp1_F): New. + (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI, + __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE. + +2005-02-16 Richard Earnshaw + + * PR target/19162 + * arm.c (arm_apply_result_size): New function. + * arm.h (APPLY_RESULT_SIZE): Define. + * arm-protos.h (arm_apply_result_size): Add prototype. + * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants. + (movxf): New expand. + (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb. + (call_value_symbol): Remove predicate for operand 0. + (call_value_insn, sibcall_value, sibcall_value_insn): Likewise. + (untyped_call): Rework to correclty return values for any type. + (untyped_return): New expand. + * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate. + +2005-02-16 Stan Shebs + + * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later. + * config/rs6000/t-darwin8: New, for 64-bit multilib. + +2005-02-16 Eric Botcazou + + * doc/install.texi (sparc-sun-solaris2*): Document required GMP + configure settings on Solaris 7 and later. + +2005-02-16 Diego Novillo + + PR tree-optimization/19865 + * tree-optimize.c (init_tree_optimization_passes): Run + pass_may_alias after pass_sra. + +2005-02-16 Richard Henderson + Stuart Hastings + + PR debug/19521 + * dbxout.c (dbxout_function_end): Take decl parameter; update callers. + Do nothing if debug info suppressed for this function. + (dbxout_begin_function): Early exit if debug info suppressed for + this function. + +2005-02-16 Kazu Hirata + + PR target/20007 + * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to + find_basic_blocks. + * config/sh/sh.c (sh_output_mi_thunk): Likewise. + + PR tree-optimization/19967 + * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk, + expand_builtin_strchr, expand_builtin_strrchr): Take a new + argument TYPE. Adjust calls to fold_builtin_XXX. + (expand_builtin, fold_builtin_1): Adjust calls to + expand_builtin_XXX. + (fold_builtin_strchr, fold_builtin_strpbrk, + fold_builtin_strstr, fold_builtin_strrchr): Convert the folded + result to a requested type TYPE. + +2005-02-16 Jakub Jelinek + + PR middle-end/19857 + * fold-const.c (fold): Don't optimize (T)(x & cst) to + (T)x & (T)cst if (T)cst overflows. + * convert.c (convert_to_integer) : Pass + TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument. + +2005-02-15 Jeff Law + + * gcse.c (blocks_with_calls): New bitmap. + (alloc_gcse_mem): Allocate it. + (free_gcse_mem): Free it. + (clear_modifY_mem_tables): Clear it. + (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS + when we encounter CALL_INSNs. + (compute_transp, case MEM): Handle blocks with calls separate + from blocks without calls. Use bitmap iterators rather than + FOR_EACH_BB. + +2005-02-15 Peter O'Gorman + + PR bootstrap/18810 + * mklibgcc.in (vis_hide): Use a temporary object file, not + -o /dev/null. + +2005-02-15 Andy Hutchinson + + PR target/19924 + * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg + access optimization. + +2005-02-15 David Edelsohn + Alan Modra + + PR target/19019 + * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd. + (_xlqsub): Rename to __gcc_qsub. + (_xlqmul): Rename to __gcc_qmul. + (_xlqdiv): Rename to __gcc_qdiv. + Provide versioned symbol aliases with old names. + * config/rs6000/libgcc-ppc64.ver: Rename symbols. + * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols. + * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New. + * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New. + * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New. + +2005-02-15 James A. Morrison + + * fold-const.c (fold): Fold -(~A) to A + 1. Fold ~(-A) to A - 1. + Fold ~(A - 1) and ~(A + -1) to -A. + +2005-02-15 James A. Morrison + + PR pch/14940 + PR target/19300 + * config/host-linux.c (linux_gt_pch_use_address): Copy from + config/pa/pa-host.c:pa_gt_pch_use_address. + +2005-02-15 Daniel Berlin + + * tree-vn.c (get_value_handle): Make sure that given an + is_gimple_min_invariant expression, we always return it. + +2005-02-15 Kazu Hirata + + * passes.c (rest_of_handle_gcse): Fix a comment. + +2005-02-15 Jeff Law + + * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary + bitmap. + (alloc_gcse_mem, free_gcse_mem): Corresponding changes. + (canon_list_insert, record_last_mem_set_info): Similarly. + (clear_modify_mem_tables): Similarly. + +2005-02-15 Kazu Hirata + + * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c, + tree-dump.h, tree-ssa-loop-manip.c, value-prof.c, + config/mips/mips.md, config/rs6000/aix.h, + config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright. + +2005-02-15 Richard Henderson + + * bb-reorder.c (find_traces_1_round): Force fallthru edge from a + call to be best_edge. + +2005-02-14 Kazu Hirata + + * basic-block.h: Adjust the prototype for find_basic_blocks. + * cfgbuild.c (find_basic_blocks): Remove unused arguments. + * passes.c (rest_of_handle_loop_optimize): Adjust the call to + find_basic_blocks. + + * flow.c (recompute_reg_usage): Remove all arguments. + * passes.c (rest_of_compilation): Adjust the call to + recompute_reg_usage. + * rtl.h: Adjust the prototype for recompute_reg_usage. + +2005-02-14 Daniel Berlin + + * tree-dump.c (dump_files): Update to reflect new member + of dump_file_info. + (dump_register): Add new argument. + Set glob name. + (dump_switch_p_1): Check against glob name if doglob was passed. + (dump_switch_p): Check against regular first, then glob if + we didn't have any hits on the dump name. + * tree-optimize.c (register_one_dump_file): + Pass in glob name as well. + * tree-pass.h (struct dump_file_info): Add glob + member. + +2005-02-14 Joseph S. Myers + + PR preprocessor/16323 + * doc/invoke.texi: Document that -Wendif-labels is on by default. + +2005-02-14 David Edelsohn + + PR target/19019 + * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand. + (trunctfdf2_internal1): New. + (trunctfdf2_internal2): Renamed from trunctfdf2. + +2005-02-14 Diego Novillo + + PR tree-optimization/19853 + * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL. + +2005-02-14 Kazu Hirata + + * passes.c (rest_of_handle_loop_optimize): Remove calls to + delete_dead_jumptables and cleanup_cfg. + +2005-02-14 Ulrich Weigand + + * reload.c (find_reloads): Swap address_reloaded flags when + swapping commutative operands. + +2005-02-14 Sebastian Pop + + * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify): + Use standard_iv_increment_position for computing the bsi position + for create_iv. + * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute + the bsi position. + +2005-02-13 Zdenek Dvorak + + PR target/17428 + * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending + life range of hard registers. + * value-prof.c (insn_prefetch_values_to_profile): Only + scan normal insns. + + * value-prof.c (rtl_find_values_to_profile): Do not look for values to + profile in libcalls. + +2005-02-13 Nathan Sidwell + + * bitmap.h (bitmap_and_compl_into): Return bool. + * bitmap.c (bitmap_and_compl_into): Return changed flag. + +2005-02-13 James A. Morrison + + PR tree-optimization/19944 + * fold-const.c (fold): Re-add ABS_EXPR folding. + +2005-02-13 David Edelsohn + + PR target/19019 + * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to + {TARGET,MASK}_XL_COMPAT. + (SUBTARGET_SWITCHES): Rename xl-call to xl-compat. Use + MASK_XL_COMPAT. + * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove. + * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to + TARGET_XL_COMPAT. + (rs6000_arg_partial_bytes): Same. + (rs6000_generate_compare): Generate PARALLEL for compare if TFmode + and XL compatibility enabled. + * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT. + * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT + test to final condition. + (cmptf_internal2): New. + * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to + xl-compat. Add TFmode information to description. + +2005-02-13 Kazu Hirata + + * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright. + +2005-02-13 Jason Merrill + + PR c++/16405 + * fold-const.c (fold_indirect_ref_1): Split out from... + (build_fold_indirect_ref): Here. + (fold_indirect_ref): New fn. + * tree.h: Declare it. + * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref. + (gimplify_modify_expr_rhs): Likewise. + (gimplify_expr): Likewise. + +2005-02-13 James A. Morrison + + PR tree-optimization/14303 + PR tree-optimization/15784 + * fold-const.c (fold): Fold ABS_EXPR >= 0 to true, when possible. + Fold ABS_EXPR < 0 to false. Fold ABS_EXPR == 0 to x == 0 and + ABS_EXPR != 0 to x != 0. + +2005-02-12 Kazu Hirata + + * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c, + simplify-rtx.c, tree-ssa-live.h: Fix comment typos. Follow + spelling conventions. + + * passes.c (rest_of_handle_gcse): Don't run cse_main and + delete_trivially_dead_insns too many times. + + * passes.c (rest_of_handle_gcse): Remove dead assignments to + tem and tem2. + +2005-02-12 Ira Rosen + + * tree-vectorizer.c (vect_get_base_and_offset): Remove. + (vect_is_simple_iv_evolution): Remove redundant parameter + and step check. + (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution + without last parameter. + (vect_analyze_pointer_ref_access): Get access_fn as parameter. + Return pointer step. Call vect_is_simple_iv_evolution without + last parameter. Check only that the step is multiple of size + type. Remove stmt_vinfo updates. + (vect_get_memtag_and_dr): Remove. + (vect_get_memtag): New function. + (vect_address_analysis): New function. + (vect_object_analysis): New function. + (vect_analyze_data_refs): Call vect_object_analysis and + vect_get_memtag. Update stmt_vinfo fields. + +2005-02-12 Ira Rosen + + * tree-data-ref.c (array_base_name_differ_p): Check that the bases + exist and are objects. Remove checks for pointer. + * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use + STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME. + (vect_create_data_ref_ptr): Likewise. + (vect_base_addr_differ_p): New function. + (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p. + (vect_analyze_pointer_ref_access): Add output parameter - ptr_init. + Don't set the DR_BASE_NAME field of data-ref. + (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME. + +2005-02-12 Uros Bizjak + + * optabs.h (enum optab_index): Add new OTI_ldexp. + (ldexp_optab): Define corresponding macro. + * optabs.c (init_optabs): Initialize ldexp_optab. + * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3 + patterns. + * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L} + using ldexp_optab. + (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using + expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set. + + * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders + to implement ldexpf, ldexp and ldexpl built-ins as inline x87 + intrinsics. + +2005-02-12 Ira Rosen + + * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base + to base_address. + * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of + stmt_vec_info. + (vect_get_base_and_offset): Always return an address. + (vect_create_addr_base_for_vector_ref): Remove treatment for + different data reference types. + (vect_compute_data_ref_alignment): Rename base to base_address in + stmt_vec_info. Get the object in order to force its alignment. + (vect_get_memtag_and_dr): Rename base to base_address in + stmt_vec_info. Extract the object for memtag analysis. + +2005-02-12 Hans-Peter Nilsson + + PR regression/19898. + * config/cris/cris.c (cris_notice_update_cc): When testing if insn + changes cc_status, use apply modified_in_p to part of cc_status + and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn + body. + +2005-02-11 Richard Henderson + + * tree-complex.c (expand_complex_libcall): New. + (expand_complex_multiplication): Use it for c99 compliance. + (expand_complex_division): Likewise. + * fold-const.c (fold_complex_add, fold_complex_mult): New. + (fold): Call them. + * builtins.c (built_in_names): Remove const. + * tree.c (build_common_builtin_nodes): Build complex arithmetic + builtins. + * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New. + (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New. + (built_in_names): Remove const. + * c-common.c (c_common_type_for_mode): Handle complex modes. + * flags.h, toplev.c (flag_complex_method): Rename from + flag_complex_divide_method. + * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3, + __mulsc3, __muldc3, __mulxc3, __multc3): New. + * libgcc2.h: Declare them. + * libgcc-std.ver: Export them. + * mklibgcc.in (lib2funcs): Build them. + +2005-02-11 Steven Bosscher + + PR tree-optimization/19876 + Partially revert my change from 2005-01-14 + * tree-ssa-pre.c (compute_antic_aux): Make recursive once again... + (compute_antic): ...and remove the loop here. + +2005-02-11 Jakub Jelinek + + PR middle-end/19858 + * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize + is number of inner's bits, avoid creating a BIT_FIELD_REF. + + * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of + crtend.o if -pie. Use %{x:a;:b} spec syntax. + +2005-02-11 Daniel Jacobowitz + + * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust + offsets for the big-endian 32-bit case. + +2005-02-11 Joseph S. Myers + + * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define. + +2005-02-11 Dale Johannesen + + * cselib.c (cselib_process_insn): Clear out regs where + HARD_REGNO_CALL_PART_CLOBBERED is true at a call. + * reload.c (find_equiv_reg): Ditto. + +2005-02-11 Ian Lance Taylor + + * read-rtl.c (read_rtx_1): Give fatal error if we see a vector + with no elements. + + * tree.c (build_function_type_list): Work correctly if there are + no arguments. + +2005-02-11 Ulrich Weigand + + * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", + "*cmpsi_ccs"): Use %h instead of %c to print immediate operand. + ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on + TARGET_ZARCH instead of TARGET_64BIT. + +2005-02-11 Ralf Corsepius + + * config/rs6000/t-rtems: + (MULTILIB_OPTIONS): Remove mcpu=602. + (MUTLILIB_DIRNAMES): Remove m602. + (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}. + Let mcpu=602 match mcpu=603. + (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603. + +2005-02-10 John David Anglin + + * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned + signal trampolines. + +2005-02-10 David Daney + + * config/alpha/linux-unwind.h: Add exception clause to copyright. + * config/i386/linux-unwind.h: Likewise. + * config/ia64/linux-unwind.h: Likewise. + * config/mips/linux-unwind.h: Likewise. + * config/pa/linux-unwind.h: Likewise. + * config/rs6000/linux-unwind.h: Likewise. + * config/s390/linux-unwind.h: Likewise. + * config/sh/linux-unwind.h: Likewise. + * config/sparc/linux-unwind.h: Likewise. + +2005-02-10 Steven Bosscher + + PR tree-optimization/17549 + * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow + TER to replace a DEF with its expression if the DEF and the + rhs of the expression we replace into have the same root + variable. + +2005-02-10 Richard Sandiford + + * config/mips/mips.md: Fix the placement of the match_scratch in the + lea64 peephole2. + +2005-02-10 Kazu Hirata + + * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h: + Fix comment typos. + +2005-02-10 Zdenek Dvorak + + * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts. + (strip_offset): Handle addresses. + (add_address_candidates): Use strip_offset. + (difference_cost): Reflect strip_offset change. + (force_var_cost, difference_cost): Strip nops. + +2005-02-10 Kazu Hirata + + * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove. + + * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h, + tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c, + config/cris/cris-protos.h, config/cris/cris.c: Update + copyright. + +2005-02-10 Jeff Law + + * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc. + (lookup_avail_expr): Similarly. + +2005-02-10 Richard Guenther + + * builtins.c (fold_builtin_powi): New function. + (fold_builtin_1): Call it. + +2005-02-10 Steven Bosscher + + PR documentation/19309 + * doc/cpp.texi: The __GNUC__ and related predefined macros + are also defined for the "standalone" cpp. + Some non-GCC compilers may also define __GNUC__. + +2005-02-10 Jakub Jelinek + + PR c/19342 + * c-typeck.c (common_type): New routine. Old common_type renamed + to... + (c_common_type): ...this. + (build_conditional_expr, build_binary_op): Use c_common_type instead + of common_type. + +2005-02-10 Steven Bosscher + + * doc/md.texi: Replace @samp{length} with @code{length}. + +2005-02-09 Zdenek Dvorak + + PR tree-optimization/18687 + * tree-flow.h (find_loop_niter): Declare. + * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): + Try using scev even for loops with more than one exit. + * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field. + (struct ivopts_data): Added niters field. + (struct nfe_cache_elt): New. + (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New + functions. + (tree_ssa_iv_optimize_init): Initialize niters cache. + (determine_number_of_iterations): Removed. + (find_induction_variables): Do not call determine_number_of_iterations. + Access niters for single exit through niter_for_single_dom_exit. + (add_iv_outer_candidates): Access niters for single exit through + niter_for_single_dom_exit. + (may_eliminate_iv): Take data argument. Use niter_for_exit. Do not use + number_of_iterations_cond. + (iv_period): New function. + (determine_use_iv_cost_condition): Pass data to may_eliminate_iv. + (may_replace_final_value): Take data argument. Use + niter_for_single_dom_exit. + (determine_use_iv_cost_outer): Pass data to may_replace_final_value. + (rewrite_use_compare): Pass data to may_eliminate_iv. + (rewrite_use_outer): Pass data to may_replace_final_value. + (free_loop_data): Clean up the niters cache. + (tree_ssa_iv_optimize_finalize): Free the niters cache. + (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts. + * tree-ssa-loop-niter.c (find_loop_niter): New function. + (find_loop_niter_by_eval): Use tree_int_cst_lt. + (num_ending_zeros): Moved to tree.c. + * tree.h (num_ending_zeros): Declare. + * tree.c (num_ending_zeros): Moved from tree.c. + +2005-02-09 Richard Henderson + + * builtins.c (DEF_BUILTIN): Add COND argument. + * tree.h (DEF_BUILTIN): Likewise. + * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN, + DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to + match. + (DEF_BUILTIN_STUB): New. + (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE, + BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO, + BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it. + * c-common.c (DEF_BUILTIN): Add COND argument. + * tree.c (local_define_builtin): New. + (build_common_builtin_nodes): New. + +2005-02-09 Roger Sayle + + * fold-const.c (fold_strip_sign_ops): New function to simplify a + floating point expression ignoring the sign of the result. + (fold) : Use it to simplify fabs(x). + (fold) : Use it to simplify x*x. + * tree.h (fold_strip_sign_ops): Prototype here. + * builtins.c (fold_builtin_copysign): Take an additional FNDECL + argument. Use fold_strip_sign_ops to simplify the first argument. + (fold_builtin_pow): Use fold_strip_sign_ops to simplify the + first argument when the second argument is an even integer + constant, but only with -funsafe_math_optimizations. + (fold_builtin_1): Update call to fold_builtin_copysign. + +2005-02-09 Ian Lance Taylor + + PR middle-end/19583 + * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case, + just check whether EH_FILTER_FAILURE falls through. + +2005-02-09 Andreas Krebbel + + * haifa-sched.c (schedule_block): Make queued sched group + insns return to ready list in the next turn. + +2005-02-09 Richard Guenther + + PR middle-end/19402 + * builtins.def: New __builtin_powi[lf]. + * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI. + (expand_builtin_powi): New function. + (expand_builtin): Dispatch to expand_builtin_powi. + * libgcc2.h: Add prototypes for __builtin_powi[lf]. + * libgcc2.c: Add __builtin_powi[lf] implementation. + * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs. + * optabs.h: Add powi_optab. + * optabs.c (init_optabs): Initialize powi_optab. + * doc/extend.texi: Document __builtin_powi[lf]. + +2005-02-09 Dorit Naishlos + + * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file + exists. + +2005-02-09 Richard Guenther + + PR middle-end/19854 + * fold-const.c (try_move_mult_to_index): Remove redundant + type argument. Create ADDR_EXPR with correct type. + (fold): Update callers of try_move_mult_to_index. Convert + result to the appropriate type. + +2005-02-09 Roger Sayle + + PR target/19597 + * config/avr/avr.c (default_rtx_costs): Delete. + (avr_operand_rtx_cost): New function. + (avr_rtx_costs): Completely rewrite. + +2005-02-08 Hans-Peter Nilsson + + PR target/19806 + * config/cris/cris.c (in_code): New variable. + (cris_output_addr_const): Now a static function, a wrapper for + output_addr_const. + (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF + case from old cris_output_addr_const. + (cris_asm_output_label_ref): Similar for LABEL_REF. + (cris_output_addr_const_extra): Similar for UNSPEC. + * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA) + (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define. + * config/cris/cris-protos.h (cris_output_addr_const): Remove + declaration. + (cris_asm_output_symbol_ref, cris_output_addr_const_extra) + (cris_asm_output_label_ref): Declare. + +2005-02-08 Paolo Bonzini + + PR preprocessor/19801 + * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust + filenames that changed when libcpp was moved to the toplevel. + +2005-02-07 Roger Sayle + + * simplify-rtx.c (simplify_relational_operation_1): Avoid creating + zero extensions of BImode operands. Call lowpart_subreg instead + of gen_lowpart_common and gen_lowpart_SUBREG. + +2005-02-07 Nathanael Nerode + + PR ada/19489 + * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure. + * configure.ac: Set cc_for_cross_gnattools. + * configure: Regenerate. + +2005-02-08 Alan Modra + + PR target/19803 + * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%. + +2005-02-07 Eric Botcazou + + PR debug/19327 + * dbxout.c (dbxout_symbol) : Skip inline instance + of nested functions. + +2005-02-07 Jonathan Wakely + + * doc/extend.texi: Document deprecated extensions allowing + static floating-point members to have initializers and allowing + floating-point literals in integral constant expressions. + +2005-02-07 Kazu Hirata + + * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h, + config/darwin7.h, config/mips/mips.c, + config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm: + Update copyright. + + * cse.c: Update comments. + +2005-02-07 Richard Guenther + + PR middle-end/19775 + * builtins.c (fold_builtin_sqrt): Transform + sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not + pow(x,y*0.5). + +2005-02-07 Leehod Baruch + Dorit Naishlos + + * doc/invoke.texi (ftree-vectorizer-verbose): New. + * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch. + * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer + was added. + * tree.h (vect_set_verbosity_level): New extern function declaration + added. + * tree-vectorizer.h (verbosity_levels): New enum type. + * tree-vectorizer.c (vect_debug_stats): Function removed. + (vect_debug_details): Likewise. + (vect_verbosity_level): Global variable was defined and initialized. + (vect_dump): Global variable definition. + (vect_print_dump_info): New function. + (vect_set_dump_settings): New function. + (vect_set_verbosity_level): New function. + (vectorize_loops): Add call to vect_set_dump_settings. + + (slpeel_make_loop_iterate_ntimes): Dump condition was changed. + (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise. + (slpeel_tree_peel_loop_to_edge): Likewise. + + (vect_analyze_offset_expr): Call to vect_print_dump_info with + appropriate verbosity level instead of call to vect_debug_details + or vect_debug_stats. + (vect_get_base_and_offset): + (vect_create_addr_base_for_vector_ref): + (get_vectype_for_scalar_type): + (vect_create_data_ref_ptr): + (vect_init_vector): + (vect_get_vec_def_for_operand): + (vect_finish_stmt_generation): + (vectorizable_assignment): + (vectorizable_operation): + (vectorizable_store): + (vectorizable_load): + (vect_transform_stmt): + (vect_update_ivs_after_vectorizer): + (vect_do_peeling_for_loop_bound): + (vect_update_inits_of_drs): + (vect_do_peeling_for_alignment): + (vect_transform_loop): + (vect_is_simple_use): + (vect_analyze_operations): + (vect_is_simple_iv_evolution): + (vect_analyze_scalar_cycles): + (vect_analyze_data_ref_dependence): + (vect_analyze_data_ref_dependences): + (vect_compute_data_ref_alignment): + (vect_enhance_data_refs_alignment): + (vect_analyze_data_refs_alignment): + (vect_analyze_data_ref_access): + (vect_analyze_data_ref_accesses): + (vect_analyze_pointer_ref_access): + (vect_get_memtag_and_dr): + (vect_analyze_data_refs): + (vect_mark_relevant): + (vect_stmt_relevant_p): + (vect_mark_stmts_to_be_vectorized): + (vect_can_advance_ivs_p): + (vect_get_loop_niters): + (vect_analyze_loop_form): + (vect_analyze_loop): + (vectorize_loops): Likewise. + + (vect_do_peeling_for_loop_bound): Dump format slightly changed. + (vect_update_inits_of_drs): + (vect_do_peeling_for_alignment): + (vect_transform_loop): + (vect_analyze_operations): + (vect_analyze_scalar_cycles): + (vect_analyze_data_ref_dependences): + (vect_analyze_data_refs_alignment): + (vect_analyze_data_ref_accesses): + (vect_analyze_data_refs): + (vect_mark_stmts_to_be_vectorized): + (vect_get_loop_niters): + (vect_analyze_loop_form): + (vect_analyze_loop): Likewise. + (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr. + +2005-02-07 Richard Sandiford + + PR bootstrap/19796 + Revert: + 2005-01-26 Richard Sandiford + * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if + either -ffast-math or -funsafe-math-optimizations is in use. + + 2005-01-24 Richard Sandiford + * config/mips/irix-csr.c: New file. + * config/mips/t-iris6 (irix-csr.o): New rule to build it. + (EXTRA_MULTILIB_PARTS): Add irix-csr.o. + * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64 + executables. + +2005-02-07 Alexandre Oliva + + * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove + redundant, incorrect definitions. + + * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like + expand. + ("*tls_indirect_call"): New, reference hard regs directly. + * config/frv/frv.c (gen_inlined_tls_plt): Adjust. + +2005-02-07 Ralf Corsepius + + * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC): + Let !-mhard-float !-msoft-float imply -mfpu=softfpa. + +2005-02-06 Roger Sayle + + PR rtl-optimization/19800 + * simplify_rtx.c (simplify_relational_operation_1): Explicitly + call gen_lowpart_common and gen_lowpart_SUBREG instead of calling + gen_lowpart. + +2005-02-07 Ralf Corsepius + + * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200. + +2005-02-07 Joseph S. Myers + + PR other/17135 + * doc/invoke.texi: Correct documentation of -freorder-functions. + +2005-02-06 Joseph S. Myers + + PR other/14402 + * doc/invoke.texi: Don't mention gccbug. + +2005-02-06 Roger Sayle + Andrew Pinski + Paolo Bonzini + + * simplify-rtx.c (simplify_relational_operation_1): Simplify + (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0)) + into just (zero_extract:SI FOO (const_int 1) BAR). + +2005-02-06 Joseph S. Myers + + * doc/cpp.texi: Include gcc-common.texi. Don't define gcctabopt + macro locally. Don't give last revision date. Use GCC version + number from gcc-common.texi. + * doc/cppinternals.texi: Include gcc-common.texi. Don't give last + revision date. Use GCC version number from gcc-common.texi. + Describe being a library as current state rather than as 3.x + history. + * doc/gcc.texi: Remove last update date. + * doc/gccint.texi: Likewise. Update copyright dates. + * doc/install.texi: Update copyright dates. + +2005-02-06 Joseph S. Myers + + PR other/7549 + * doc/invoke.texi: Mention for each option included in -Wall that + it is included in -Wall. + * doc/gcc.texi: Update copyright and last modification date. + +2005-02-06 Zdenek Dvorak + + * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add + unnecessary cast to original induction variable increments. + +2005-02-06 Zdenek Dvorak + + PR tree-optimization/18219 + * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations + in distributed form. + +2005-02-06 Richard Sandiford + + * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum. + Set bitpos and offset later in the function. Do nothing if the + target is a register and if the bitfield lies completely outside + that register. + (extract_bit_field): Make the same SUBREG, bitpos and offset changes + here. Return an uninitialised register if the source value is stored + in a register and the bitfield lies completely outside that register. + +2005-02-06 Steven Bosscher + + * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE, + not SET_DEST. + +2005-02-06 Marcin Dalecki + + * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute. + +2005-02-06 Geoffrey Keating + + * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs. + * config/darwin8.h: New. + * config/darwin7.h: Update comment. + +2005-02-03 Leehod Baruch + Dorit Naishlos + + * tree-vectorizer.h (LOC): New type. + (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros. + (loop_line_number): New field in struct _loop_vec_info. + (LOOP_VINFO_LOC, LOOP_LOC): New macros. + + * tree-vectorizer.c (input.h): Included. + (find_loop_location): New function. + (vect_debug_stats): Argument changed from loop to LOC. Computation of + loop line number removed. + (vect_debug_details): Likewise. + (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC. + + (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in + call to vect_debug_details/stats changed from loop to loop_loc. + (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise. + (slpeel_tree_peel_loop_to_edge): Likewise. + + (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats + changed from NULL to UNKNOWN_LOC. + (vect_get_base_and_offset): + (vect_create_addr_base_for_vector_ref): + (get_vectype_for_scalar_type): + (vect_create_data_ref_ptr): + (vect_init_vector): + (vect_get_vec_def_for_operand): + (vect_finish_stmt_generation): + (vectorizable_assignment): + (vectorizable_operation): + (vectorizable_store): + (vectorizable_load): + (vect_transform_stmt): + (vect_update_ivs_after_vectorizer): + (vect_do_peeling_for_loop_bound): + (vect_do_peeling_for_alignment): + (vect_transform_loop): + (vect_is_simple_use): + (vect_analyze_operations): + (vect_is_simple_iv_evolution): + (vect_analyze_scalar_cycles): + (vect_analyze_data_ref_dependences): + (vect_compute_data_ref_alignment): + (vect_enhance_data_refs_alignment): + (vect_analyze_data_ref_access): + (vect_analyze_data_ref_accesses): + (vect_analyze_pointer_ref_access): + (vect_get_memtag_and_dr): + (vect_analyze_data_refs): + (vect_mark_relevant): + (vect_stmt_relevant_p): + (vect_mark_stmts_to_be_vectorized): + (vect_can_advance_ivs_p): + (vect_get_loop_niters): + (vect_analyze_loop): + (vectorize_loops): Likewise. + + (vectorizable_load): Argument in call to vect_debug_details/stats + changed from loop to LOOP_LOC (loop_vinfo). + (vect_transform_loop): + (vect_analyze_operations): + (vect_analyze_scalar_cycles): + (vect_analyze_data_ref_dependence): + (vect_enhance_data_refs_alignment): + (vect_analyze_data_ref_accesses): + (vect_analyze_pointer_ref_access): + (vect_analyze_data_refs): + (vect_analyze_loop): Likewise. + + (vect_analyze_loop_form): Argument in call to vect_debug_details/stats + changed from loop to loop_loc. + + (vect_enhance_data_refs_alignment): Removed unused variable loop. + +2005-02-03 Leehod Baruch + Dorit Naishlos + + * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function + declaration added. + (vect_analyze_data_ref_dependences): Likewise. + + (vect_is_simple_use): Argument changed from loop structure to + loop_vect_info structure. + (vect_can_advance_ivs_p): Likewise. + (vect_create_index_for_vector_ref): Likewise. + (vect_update_ivs_after_vectorizer): Likewise. + (new_stmt_vec_info): Likewise. + + (new_loop_vec_info): Second argument in call to new_stmt_vec_info was + changed from loop to loop_vinfo. + (vect_create_data_ref_ptr): First argument in call to + vect_create_index_for_vector_ref was changed from loop to loop_vinfo. + (vectorizable_assignment): Second argument in call to vect_is_simple_use + was changed from loop to loop_vinfo. + (vectorizable_operation): Likewise. + (vectorizable_store): Likewise. + (vect_mark_stmts_to_be_vectorized): Likewise. + (vect_do_peeling_for_loop_bound): First argument in call to + vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo. + (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p + was changed from loop to loop_vinfo. + (vect_analyze_data_ref_dependences): Third argument in call to + vect_analyze_data_ref_dependence was changed from loop to loop_vinfo. + + (vect_create_index_for_vector_ref): Get the loop from loop_vinfo. + (vect_create_data_ref_ptr): Likewise. + (vect_init_vector): Likewise. + (vect_get_vec_def_for_operand): Likewise. + (vectorizable_assignment): Likewise. + (vectorizable_operation): Likewise. + (vectorizable_store): Likewise. + (vectorizable_load): Likewise. + (vect_update_ivs_after_vectorizer): Likewise. + (vect_is_simple_use): Likewise. + (vect_analyze_data_ref_dependence): Likewise. + (vect_analyze_pointer_ref_access): Likewise. + (vect_can_advance_ivs_p): Likewise. + + * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved + before _stmt_vec_info. + (_stmt_vec_info): Loop field replaced by loop_vec_info. + (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO. + (new_stmt_vec_info): Argument changed from loop structure to + loop_vect_info structure + + (vect_analyze_data_ref_dependences): Unnecessary line was removed. + (vect_analyze_offset_expr): Avoid 80 columns overflow. + (vect_create_addr_base_for_vector_ref): Likewise. + (vect_analyze_pointer_ref_access): Likewise. + +2005-02-03 Andrew Pinski + + PR tree-opt/19768 + * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal + phi flag if the phi is abnormal. + +2005-02-03 Andrew Pinski + + PR tree-opt/19736 + * tree-ssa.c (replace_immediate_uses): Update the immediate_uses + information for the new statement. + +2005-02-03 Joseph S. Myers + + PR driver/19117 + * gcc.c (main): Include the target in -v output. + +2005-02-03 Alexandre Oliva + + * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND): + Do not drop the extend if we'd have to add a paradoxical subreg + later. Include optabs.h and insn-codes.h. + * Makefile.in (combine.o): Depend on $(OPTABS_H). + +2005-02-02 Roger Sayle + + PR middle-end/19405 + * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro. + * fold-const.c (const_binop): Avoid constant folding floating + point operations in modes that use composite representations. + * simplify-rtx.c (simplify_binary_operation): Likewise. + +2005-02-02 Geoffrey Keating + + * config/rs6000/altivec.md (altivec_dst): Make the first operand + a REG, not a MEM. + (altivec_dstt): Likewise. + (altivec_dstst): Likewise. + (altivec_dststt): Likewise. + * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation + of first operand. + +2005-02-03 Dorit Naishlos + + * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy + EXPR_LOCUS from orig_cond to the new cond_stmt. + (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to + the new vec_stmt. + +2005-02-03 Dorit Naishlos + + * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call + standard_iv_increment_position. Remove call to bsi_next + (no need to bump the iterator anymore). + (vect_create_index_for_vector_ref): Call + standard_iv_increment_position. Remove second function argument. + (vect_finish_stmt_generation): Remove call to bsi_next + (no need to bump the iterator anymore). + (vect_create_data_ref_ptr): Remove second argument (bsi) in call + to vect_create_index_for_vector_ref. + +2005-02-03 Dorit Naishlos + + * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if + phis are used out of the loop. + +2005-02-03 Joseph S. Myers + + PR c/17807 + * c-decl.c (undef_nested_function): New variable. + (pop_scope): Diagnose undefined nested functions. + (finish_function): Don't attempt cgraph processing or genericizing + if current top-level function contained an undefined nested + function. Reset undef_nested_function at the end of a top-level + function. + +2005-02-02 Zdenek Dvorak + + * tree.c (build_int_cst_type): Take sign of the value into account + when deciding whether sign extend the value. + +2005-02-02 Joseph S. Myers + + PR c/18502 + * gcc.c (cpp_unique_options): Remove %{trigraphs}. + (cpp_options, cc1_options): Change %{std*&ansi} to + %{std*&ansi&trigraphs}. + +2005-02-02 Kazu Hirata + + * cse.c: Update comments. + +2005-02-02 Aldy Hernandez + + * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg + arguments go on the stack. Do not put complex doubles in odd/even + pairs. + +2005-02-02 Steven Bosscher + + * doc/invoke.texi: Update the options enabled at -O1, -O2, + and -O3. Update the documentation for -fgcse-sm, -fgcse-las, + -ftree-pre, and -fthread-jumps. + +2005-02-02 Richard Sandiford + + PR tree-optimization/19578 + * tree-flow.h (modified_noreturn_calls): Declare. + (noreturn_call_p): Declare. + * tree-flow-inline.h (noreturn_call_p): New function. + (modify_stmt): Add modified noreturn calls to modified_noreturn_calls. + * tree-cfg.c (modified_noreturn_calls): New variable. + (cleanup_control_flow): Use noreturn_call_p. Split basic blocks + that contain a mid-block noreturn call. + * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls. + +2005-02-02 Kazu Hirata + + * df.c (df_def_record_1, df_uses_record): Don't use + DF_FOR_REGALLOC. + * df.h (DF_FOR_REGALLOC): Remove. + +2005-02-02 Joseph S. Myers + + PR c/19435 + * c-typeck.c (really_start_incremental_init): Reset + constructor_max_index for arrays of incomplete type. + +2005-02-02 Jeff Law + + * gcse.c (struct reg_set): Store the block index where the register + was set rather than the setting insn. + (record_one_set, compute_transp): Corresponding changes. + (pre_insert_copy_insn): Do not call replace_one_set. + (replace_one_set): Remove. + +2005-02-02 Joseph S. Myers + + PR other/15514 + * doc/gcov.texi: Fix typo. + +2005-02-01 Richard Henderson + + PR tree-optimization/19217 + * tree-cfg.c (verify_expr): Use the data field to see if TP was + seen inside a PHI node. Do not do the ADDR_EXPR check if it was. + (verify_stmts): Pass (void*)1 as data to verify_expr to signal + that it is walking a PHI node. + +2005-02-01 Joseph S. Myers + + * doc/extend.texi (Nested Functions): Update. + +2005-02-01 Richard Henderson + + PR 19696 + * optabs.c (expand_copysign_absneg): Export. + * optabs.h (expand_copysign_absneg): Declare. + * config/rs6000/rs6000.md (copysigntf3): New. + +2005-02-01 Diego Novillo + + PR tree-optimization/19633 + * tree-flow.h (struct ptr_info_def): Add field 'pt_null'. + * tree-ssa-alias.c (init_alias_info): Initialize. + (merge_pointed_to_info): Set. + (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer. + (dump_points_to_info_for): Show value of pt_null. + (struct count_ptr_d): Declare. + (find_ptr_dereference): Remove. + (ptr_is_dereferenced_by): Remove. + (count_ptr_derefs): New local function. + (count_uses_and_derefs): New local function. + (compute_points_to_and_addr_escape): Call it. If the number + of dereferences is greater than zero, mark the pointer as + dereferenced. If there are fewer dereferences than uses of + the pointer, the pointer's value escapes. + +2005-02-01 Diego Novillo + + PR tree-optimization/19670 + * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED + here... + (verify_use): ... set it here, instead. + +2005-02-01 Janis Johnson + + * doc/sourcebuild.texi (Test directives): Fix formatting. + + * doc/sourcebuild.texi (Test directives): Describe selector + expressions. + +2005-02-01 Segher Boessenkool + + * config.gcc (powerpc64-*-linux*): Default to -m64 also for + specific 64-bit CPUs. + +2005-02-01 Richard Earnshaw + + PR target/16201 + * arm.c (arm_eliminable_register): New function. + (adjacent_mem_locations): Don't allow eliminable registers. Use + HOST_WIDE_INT for address offsets. + * arm-protos.h (arm_eliminable_register): Add prototype. + +2005-02-01 Steven Bosscher + + PR optimization/15242 + * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param. + * basic-block.h (duplicate_computed_gotos): Add prototype. + * bb-reorder.c (duplicate_computed_gotos): New function to + duplicate sufficiently small blocks ending in a computed jump. + * passes.c (rest_of_compilation): Call duplicate_computed_gotos + if not optimizing for size. + * cfgcleanup.c (try_crossjump_bb): If not optimizing for size, + never do tail merging for blocks ending in a computed jump. + * doc/invoke.texi: Document the max-goto-duplication-insns param. + +2005-02-01 Eric Botcazou + + Patch from Richard Sandiford + * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code + from inheriting a subreg equivalence with a non-spill register. + + * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded. + +2005-02-01 Alexandre Oliva + + * config/frv/frv.c (movcc_fp_destination_operand): New. + (gpr_or_memory_operand): Fix typo in comment. + (gpr_or_memory_operand_with_scratch): New. + * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates. + * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use + movcc_fp_destination_operand. + (reload_incc_fp): Use gpr_or_memory_operand_with_scratch. + Legitimize memory addresses using a scratch register. + +2005-01-31 Jeff Law + + * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS + bitmap a sparse bitmap instead of a simple bitmap. + (mark_def_sites_initialize_block): Corresponding changes. + (ssa_mark_def_sites_initialize_block): Likewise. + (ssa_mark_phi_uses): Likewise. + (mark_def_site, ssa_mark_def_sites): Likewise. + (mark_def_site_blocks): Likewise. + (rewrite_ssa_into_ssa): Likewise. + + * tree-ssa-dom.c (record_cond): Pass correct variable type + for last argument to htab_find_slot_with_hash. + + * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side + effects when optimizing 0 % X. Do not try to optimize X % 0. + +2005-01-31 James E. Wilson + + * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to + 1_mmalua. + +2005-02-01 Eric Christopher + + * config/mips/mips.c (override_options): Warn if -mint64 + is used. + * doc/invoke.texi (MIPS Options): Document that -mint64 is + deprecated. + +2005-02-01 Kazu Hirata + + * cse.c (cse_reg_info): Remove hash_next, next, regno. Add + timestamp. + (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT, + REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN, + cached_cse_reg_info, GET_CSE_REG_INFO): Remove. + (cached_regno): Initialize to INVALID_REGNUM. + (cse_reg_info_table_size, + cse_reg_info_table_first_uninitialized, + cse_reg_info_timestamp): New. + (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use + get_cse_reg_info. + (init_cse_reg_info, get_cse_reg_info_1): New. + (get_cse_reg_info): Cache the last look-up. + (new_basic_block): Update the code to clear mappings from + registers to cse_reg_info entries. + (cse_main): Call init_cse_reg_info. + + * cse.c (get_cse_reg_info): Update a comment. + +2005-01-31 Steven Bosscher + + PR c/19333 + * c-decl.c (start_decl): Do not warn about arrays of elements with + an incomplete type here. + (grokdeclarator): Do it here by making a pedwarn an error. + * c-typeck.c (push_init_level): If there were previous errors with + the constructor type, do not warn about braces for initializers. + (process_init_element): Likewise for excess initializer elements. + +2005-01-31 Kazu Hirata + + * cse.c (delete_trivially_dead_insn): Don't iterate. + +2005-01-31 Andrew Pinski + + * config/rs6000/rs6000.md (copysignsf3): New expand. + (copysigndf3): Likewise. + +2005-01-31 Steven Bosscher + + * recog.c (constrain_operands): Only look for earlyclobber operand + conflicts if an '&' constraint was seen. + +2005-01-31 Marc Espie + + * config.gcc: Don't include embedded systems fragment, switches default + debugging format to ELF. + * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no + longer pick it up there. + +2005-01-31 Dale Johannesen + + * doc/extend.texi (nested functions): Fix linkage description. + Clarify that static is not allowed. + +2005-01-31 Dale Johannesen + + * config/rs6000/darwin.md (movsf_low_di): Make work. + (movdf_low_di): Make work. + +2005-01-31 Dale Johannesen + + * config/rs6000/darwin-tramp.asm (__trampoline_setup): + Make work for 64 bit. + +2005-01-31 Roger Sayle + Dale Johannesen + + PR middle-end/19650 + * fold-const.c (fold_binary_op_with_conditional_arg): + Make types match original operands, before STRIP_NOPS. + +2005-01-31 Alan Modra + + * config/rs6000/linux-unwind.h (struct gcc_vregs): New. + (struct gcc_regs): Rename from gcc_pt_regs. Add more regs. + (struct gcc_sigcontext): Delete. Merge contents to.. + (struct gcc_ucontext): ..here. + (get_sigcontext): Delete. + (get_regs): New function, like get_sigcontext but return regs ptr. + 64-bit version finds regs from r1 to support vdso. + (ppc_linux_aux_vector): New function. + (ppc_fallback_frame_state): Modify for get_regs. Restore fprs + and vector regs. + +2005-01-31 Ira Rosen + + * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead + sizetype. + (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove + redundant fold. Fix misalignment for MINUS_EXPR. + (vect_compute_data_ref_alignment): Use ssizetype instead sizetype. + (vect_analyze_pointer_ref_access): Likewise. + (vect_get_memtag_and_dr): Likewise. + +2005-01-31 Richard Henderson + + * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery. + (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse, + absnegdf2_i387, absnegxf2_i387): Likewise. + +2005-01-31 Richard Henderson + + PR 19696 + * optabs.c (expand_copysign_absneg): New. + (expand_copysign_bit): Split out from ... + (expand_copysign): ... here. Use expand_copysign_absneg. + +2005-01-30 Roger Sayle + + PR middle-end/19697 + * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer + constant as the second operand and a register as the third. + +2005-01-31 Danny Smith + + PR target/19704 + * config/i386/i386.c (ix86_function_ok_for_sibcall): Also check + that dllimport'd functions do not use all call-clobbered registers + to pass parameters. + +2005-01-30 Richard Henderson + + PR 19696 + * optabs.c (expand_absneg_bit): Split out from expand_unop and + expand_abs_nojump and generalize. Use operand_subword and + emit_no_conflict_block. Support large modes. + (expand_abs_nojump): Use it. Use HONOR_SIGNED_ZEROS to fall + back to maximum. + (expand_unop): Likewise. Use HONOR_SIGNED_ZEROS to fall back + negation to subtraction. + (expand_copysign): Check that the format has signed zeros. + Use operand_subword and emit_no_conflict_block. Support large modes. + +2005-01-30 Daniel Berlin + + Fix PR tree-optimization/19624 + + * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H. + * tree-ssa-pre.c: Add cfgloop.h. + Update comment. + (pre_stats): New member, constified. + (inserted_exprs): New static variable. + (NECESSARY): New macro. + (create_expression_by_pieces): Fold the expression, and + mark it as defaulting to not necessary. Also put in + inserted_exprs. + (fully_constant_expression): New function. + (insert_into_preds_of_block): Modify to not insert phis when we + are playing with induction variables. + Push phis onto the inserted_exprs vector, and mark them as not + necessary by default. + (insert_aux): Call fully_constant_expression on eprime. + If all edges produce the same value, mark it constant. + (mark_operand_necessary): New function. + (remove_dead_inserted_code): New function. + (init_pre): Init loop optimizer to get loop info. + (fini_pre): Free loop_optimizer, and inserted_exprs vec. + (execute_pre): Commit edge inserts, then remove dead code. + +2005-01-30 Richard Henderson + + * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR. + * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR. + +2005-01-30 Richard Henderson + + PR target/19700 + * config/i386/i386.c (ix86_expand_copysign): New. + (ix86_split_copysign_const): New. + (ix86_split_copysign_var): Rename from ix86_split_copysign, + rearrange op1/nmask operands. + * config/i386/i386-protos.h: Update. + * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign. + (copysigndf3): Likewise. + (copysignsf3_const, copysigndf3_const): New. + (copysignsf3_var): Rename from copysignsf3, split out splitter + and fix split predicate for X constraint. + (copysigndf3_var): Similarly. + +2005-01-30 Kazu Hirata + + * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi, + doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi, + doc/tm.texi, doc/tree-ssa.texi: Update copyright. + +2005-01-29 Richard Henderson + + PR target/19690 + * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering + of # and * in constraints. + +2005-01-29 Richard Henderson + + PR middle-end/19689 + * expr.c (store_field): Don't strip sub-mode cast when the input + data is even smaller. + +2005-01-29 Richard Henderson + + PR middle-end/19687 + * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a + union being empty. + +2005-01-29 Richard Henderson + + * combine.c (make_field_assignment): Fix argument order + to gen_int_mode. + +2005-01-29 Richard Guenther + + PR tree-optimization/15791 + * fold-const.c (extract_array_ref): New function. + (fold): Fold comparisons between &a[i] and &a[j] or + semantically equivalent trees. + +2005-01-29 Jeff Law + + * gcse.c (insert_expr_in_table): Revamp handling of available + and anticipatable occurrence lists to avoid unnecessary list + walking. + (insert_set_in_table): Similarly. + +2005-01-29 Joseph S. Myers + + * c-common.c (fix_string_type): Just use c_build_qualified_type to + build string type. + (c_build_qualified_type): Build qualified array types with + TYPE_MAIN_VARIANT pointing to corresponding unqualified type. + * c-decl.c (c_make_fname_decl): Build unqualified array type + before qualified type. + (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element + type is qualified, not just if type itself is. Don't apply + qualifiers to array type when declarator is processed. Apply + qualifiers to field type whether or not it is an array type. + Don't handle array types specially for applying qualifiers to + variables. + * c-typeck.c (composite_type): Build unqualified element type and + array type when forming composite of array types. + (common_pointer_type, comptypes, comp_target_types, + type_lists_compatible_p, build_indirect_ref, build_array_ref, + convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array + types. + (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE + (args2) in variables a1 and a2. + +2005-01-29 Kazu Hirata + + * cse.c (n_elements_made, max_elements_made): Remove. + (insert): Don't touch n_elements_made. + (cse_main): Don't touch n_elements_made or max_elements_made. + +2005-01-28 Stephane Carrez + + PR target/15384 + * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a + configuration part of dp-bit.c to be lost. + +2005-01-28 Roger Sayle + + * expmed.c (expand_mult_highpart_optab): When attempting to use + a non-widening multiplication in a wider mode, the operands need + to be converted (zero or sign extended) to that mode. + +2005-01-28 Ian Lance Taylor + + PR middle-end/16558 + PR middle-end/19583 + * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls + through if both operands fall through. + +2005-01-28 Kazu Hirata + + * cse.c (fold_rtx) : Don't optimize. + +2005-01-28 Jeff Law + + * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X. + (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly. + +2005-01-28 Kazu Hirata + + * cse.c (cse_reg_info_free_list, cse_reg_info_used_list, + cse_reg_info_used_list_end): Remove. + (cse_reg_info_list, cse_reg_info_list_free): New. + (get_cse_reg_info): When allocating an instance of + cse_reg_info, add it to the beginning of the cse_reg_info_list + list. Remove code to maintain cse_reg_info_used_list. + (new_basic_block): Reset the free list to the beginning of + cse_reg_info_list. + +2005-01-28 Richard Sandiford + + * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH. + (frv_init_builtins): Change its prototype to take 4 uhalf arguments. + (frv_expand_mdpackh_builtin): New function. + (frv_expand_builtin): Use it to expand __MDPACKH. + * doc/extend.texi (__MDPACKH): Update documentation. + +2005-01-28 Uros Bizjak + + * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use + SSE_FLOAT_MODE_P for use_sse computation. + +2005-01-28 Ralf Corsepius + + PR target/19663 + * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine. + +2005-01-27 Richard Henderson + + * builtins.c (expand_builtin_copysign): New. + (expand_builtin): Call it. + * genopinit.c (optabs): Add copysign_optab. + * optabs.c (init_optabs): Initialize it. + (expand_copysign): New. + * optabs.h (OTI_copysign, copysign_optab): New. + (expand_copysign): Declare. + + * config/alpha/alpha.md (UNSPEC_COPYSIGN): New. + (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New. + + * config/i386/i386.c (ix86_build_signbit_mask): Split from ... + (ix86_expand_fp_absneg_operator): ... here. + (ix86_split_copysign): New. + * config/i386/i386-protos.h: Update. + * config/i386/i386.md (UNSPEC_COPYSIGN): New. + (copysignsf3, copysigndf3): New. + + * config/ia64/ia64.md (UNSPEC_COPYSIGN): New. + (copysignsf3, ncopysignsf3): New. + (copysigndf3, ncopysigndf3): New. + (copysignxf3, ncopysignxf3): New. + * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN. + +2005-01-27 Arend Bayer + Kazu Hirata + + * cse.c: (find_best_addr): Don't call copy_rtx before calling + fold_rtx. Save cost recomputation if fold_rtx did nothing. + (fold_rtx) : Don't do anything if INSN is + NULL_RTX. + +2005-01-27 Jeff Law + + * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register + definitions of SSA_NAMEs which are not being rewritten. + (rewrite_ssa_into_ssa): Only initialize the current definition + of an SSA_NAME if that SSA_NAME has been marked for rewriting. + If checking is enabled, assert that SSA_NAME_AUX is clear for all + SSA_NAMEs before returning. + +2005-01-27 Kazu Hirata + + * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c, + cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h, + tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c, + config/avr/avr.md, config/cris/aout.h, config/cris/cris.h, + config/mips/iris6.h, config/sh/sh.c: Update copyright. + +2005-01-27 Steven Bosscher + + PR middle-end/17278 + * opts.c (decode_options): Move flag_thread_jumps from -O1 and + higher to -O2 and higher. Likewise for tree PRE. + * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2 + and better. + +2005-01-27 Ian Lance Taylor + + PR middle-end/19583 + * gimple-low.c (try_catch_may_fallthru): New static function. + (block_may_fallthru): Handle TRY_CATCH_EXPR. + * tree-inline.c (expand_call_inline): Don't warn about reaching + the end of a non-void function being inlined if the function uses + a return slot. + +2005-01-27 Jakub Jelinek + + * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos. + + PR c/18946 + * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node. + (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P. + (implicitly_declare): Handle error_mark_node. + +2005-01-27 Richard Henderson + + PR tree-opt/14329 + * tree.h (struct tree_decl): Add debug_expr_is_from. + (DECL_DEBUG_EXPR_IS_FROM): New. + (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF. + * dwarf2out.c (dwarf2out_var_location): Update to match. + * tree-outof-ssa.c (create_temp): Likewise. + * var-tracking.c (track_expr_p): Likewise. + * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR. + * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR. + * toplev.c (default_tree_printer): Likewise. + +2005-01-27 Alexandre Oliva + + * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS, + GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS. + +2005-01-27 Steven Bosscher + + * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW, + CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS, + ASM_CLOBBERS): Add tree checks. + + * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE. + (SWITCH_STMT_COND, SWITCH_STMT_BODY): New. + * c-common.def (SWITCH_STMT): Update to match. + * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor + macros instead of SWITCH_EXPR ones. + * c-dump.c (c_dump_tree): Likewise. + * c-gimplify.c (gimplify_switch_stmt): Likewise. + * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise. + + * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names. + +2005-01-27 Alan Modra + + * unwind-dw2.c (execute_stack_op): Add missing cases for + DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor. + +2005-01-27 Eric Botcazou + + * config.gcc (Obsolete configurations): Remove 'dummy', add + sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and + sparc-*-openbsd*. + +2005-01-26 Diego Novillo + + PR tree-optimization/19633 + * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle + CALL_EXPRs. + (maybe_create_global_var): Do not create .GLOBAL_VAR if there + are no call-clobbered variables. + * tree-outof-ssa.c (check_replaceable): Return false for calls + with side-effects. + +2005-01-26 Ulrich Weigand + + * dbxout.c (dbxout_symbol_location): Resolve constant pool references + even for variables with NULL DECL_INITIAL. + +2005-01-26 Stuart Hastings + + * gimplify.c (shortcut_cond_expr): Re-compute side-effects. + +2005-01-26 Richard Henderson + + PR middle-end/18008 + * c-decl.c (finish_struct): Set DECL_MODE after resetting a + field's type. + * expr.c (store_field): Strip conversions to odd-bit-sized types + if the destination field width matches. + +2005-01-26 Richard Henderson + + * c-decl.c, expmed.c, expr.c: Revert last change. + +2005-01-26 Richard Henderson + + PR middle-end/18008 + * c-decl.c (finish_struct): Set DECL_MODE after resetting a + field's type. + * expmed.c (store_fixed_bit_field): Create a paradoxical subreg + if we don't need the bits above those present in the current mode. + * expr.c (store_field): Strip conversions to odd-bit-sized types + if the destination field width matches. + +2005-01-26 Richard Sandiford + + * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if + either -ffast-math or -funsafe-math-optimizations is in use. + +2005-01-26 Marek Michalkiewicz + + PR target/19293 + PR target/19329 + * config/avr/avr.c (notice_update_cc): Only set condition code for + ashrqi3 if shift count > 0. + (out_shift_with_cnt): Handle shift count <= 0 as a no-op. + (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out, + ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift + count <= 0 as a no-op, and shift count >= width by copying zero + or sign bit to all bits of the result. + * config/avr/avr.md (all shifts): Add alternatives for zero shift + count, with attribute "length" set to 0 and "cc" set to "none". + +2005-01-26 Aldy Hernandez + + * doc/invoke.texi: Document -mTLS. + + * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New. + * testsuite/gcc.target/frv/all-tls-initial-exec.c: New. + * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New. + * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New. + * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New. + * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New. + * testsuite/gcc.target/frv/all-tls-local-exec.c: New. + * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New. + + * configure.ac: Check for a TLS capable gas. + + * configure: Regenerate. + +2005-01-26 Richard Henderson + + PR middle-end/18008 + * combine.c (make_field_assignment): Simplify store to zero_extract + from a source with an overlapping mask. + +2005-01-26 Aldy Hernandez + + 2004-11-11 Eric Christopher + + * config/frv/frv.md: Add fr400_integer automaton. Don't + allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel + to TYPE_MACC. + +2005-01-26 Steven Bosscher + + PR middle-end/16585 + * cfgbuild.c (make_edges): Do not clear or set + current_function_has_computed_jump. + * function.h (struct function): Remove the has_computed_jump field. + (current_function_has_computed_jump): Do not define. + * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends + in a computed jump. Ignore current_function_has_computed_jump. + +2005-01-26 Richard Henderson + + PR middle-end/19515 + * expr.c (categorize_ctor_elements): New argument p_must_clear. + (categorize_ctor_elements_1): Likewise. Detect a union that isn't + fully initialized. + (mostly_zeros_p): Update for new categorize_ctor_elements argument. + * gimplify.c (gimplify_init_constructor): Likewise. Only shove + objects into static storage if they have more than one non-zero value. + * tree.h (categorize_ctor_elements): Update decl. + +2005-01-26 Steven Bosscher + + PR middle-end/19616 + * tree.h (CALL_EXPR_TAILCALL): Add comment. + * calls.c (check_sibcall_argument_overlap_1): Revert the change + to this function from 2004-07-10. + * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the + the current function for tail call optimizations if the address + of one of it its arguments is taken. + +2005-01-26 Kazu Hirata + + * cse.c (fold_rtx): Call equiv_constant only when necessary. + +2005-01-26 Bernd Schmidt + + * function.c (expand_function_end): If current_function_calls_alloca, + emit stack restore in a place that is reached when the function falls + through at the end. + +2005-01-26 Alexandre Oliva + + * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy + rule to avoid matching inappropriate suffix rule. + +2005-01-26 Jan Hubicka + + PR tree-optimization/19241 + * tree-inline.c (copy_body_r): Do not walk subtrees after substituting. + +2005-01-26 Hans-Peter Nilsson + + * config/cris/cris.h (LIB_SPEC) : Use -lsyslinux, not + -lsyssim. Wrap -lc -lsyssim in --start-group --end-group instead + of doubling. + (STARTFILE_SPEC): Add crti.o, before crtbegin.o. + : Always use crt1.o, regardless of N in simN. + : Drop support for -pg and -p variants; always use crt0.o. + (ENDFILE_SPEC): Add crtn.o, after crtend.o. + (CRT_CALL_STATIC_FUNCTION): Remove. + * config/cris/aout.h (STARTFILE_SPEC): : Always + use crt1.o, regardless of N in simN. + : Drop support for -pg and -p variants; always use crt0.o. + (LIB_SPEC): Do not define; default to the one in config/cris/cris.h. + (CRIS_CPP_SUBTARGET_SPEC) : Remove special + case isystem setting. + (MAX_OFILE_ALIGNMENT): Correct to 32, not 16. + +2005-01-25 Ian Lance Taylor + + * gimple-low.c (block_may_fallthru): Correct handling of + SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL. + +2005-01-26 Hans-Peter Nilsson + + * config/cris/cris.h (CPP_SPEC): Adjust the various mtune= + handlers to match indentation; nested under the mtune=* handler. + Similar for mcpu= and march=. + +2005-01-25 Daniel Jacobowitz + + * config/mips/linux.h (LIB_SPEC): Remove -rpath-link. + * config/mips/linux64.h (LIB_SPEC): Likewise. + * config/mn10300/linux.h (LIB_SPEC): Likewise. + * config/sh/linux.h (LIB_SPEC): Likewise. + +2005-01-25 Aldy Hernandez + + * config/frv/frv.c (frv_legitimize_tls_address): New. + (TARGET_HAVE_TLS): Define. + (FRV_SYMBOL_REF_TLS_P): Define. + (frv_override_options): Handle new register classes. + (frv_legitimate_address_p): Reject tls addresses. + (frv_legitimize_address): Handle TLS addresses. + (gen_inlined_tls_plt): New. + (gen_tlsmoff): New. + (frv_legitimize_tls_address): New. + (unspec_got_name): Add TLS entries. + (got12_operand): Add R_FRV_TLSMOFF12 case. + (frv_emit_move): Fixup TLS addresses. + (frv_emit_movsi): Legitimize TLS addresses. + + * config/frv/frv.h (MASK_BIG_TLS): New. + (TARGET_BIG_TLS): New. + (HAVE_AS_TLS): Define. + (TARGET_SWITCHES): Add -mTLS and -mtls options. + (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS. + (REG_CLASS_NAMES): Same. + (REG_CLASS_CONTENTS): Same. + (CONSTRAINT_LEN): New. + (REG_CLASS_FROM_CONSTRAINT): New. + (PREDICATE_CODES): Add symbolic_operand. + + * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF, + UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL, + UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX, + UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO, + R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI, + R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI, + R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG, + GR9_REG, GR14_REG, LRREG. + (type): Add load_or_call attribute. + ("load_or_call"): New reservation. + ("call_gettlsoff"): New. + ("tls_indirect_call"): New. + ("tls_load_gottlsoff12"): New. + ("tlsoff_hilo"): New. + ("tls_tlsdesc_ldd"): New. + ("tls_tlsoff_ld"): New. + ("tls_lddi"): New. + + * config/frv/frv-protos.h (symbolic_operand): Protoize. + + 2005-01-25 Alexandre Oliva + + * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define. + * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare. + * config/frv/frv.c (TLS_BIAS): Define. + (frv_output_dwarf_dtprel): New. + +2005-01-26 Jakub Jelinek + + PR rtl-optimization/19579 + * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up + both A and B, see if they don't clobber registers the other expr uses. + +2005-01-25 J"orn Rennecke + + * real.c (do_add): Initialize signalling and canonical members. + + * real.c (real_from_integer): Zero out destination. + +2005-01-18 Jan Hubicka + + PR tree-optimize/19337 + * tree-inline.c (initialize_inlined_parameters): Copy + saved_static_chain_decl only. + +2005-01-25 Richard Henderson + + PR target/19556 + PR target/19584 + * config/i386/i386.c (x86_inter_unit_moves): Zero. + (ix86_preferred_reload_class): Rewrite fp-constant section, with + 80387 enabled, to return a proper subclass. Return the subset that + overlaps with GENERAL_REGS for PLUS. + * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor. + +2005-01-25 Richard Henderson + + PR middle-end/19609 + * tree-complex.c (expand_complex_div_wide): Use the correct formulae. + +2005-01-25 Roger Sayle + + * expmed.c (choose_multiplier): Change interface to return the + multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT. + (expand_divmod): Update calls to choose_multiplier. + +2005-01-24 John David Anglin + + PR middle-end/19330 + * expmed.c (extract_bit_field): Use adjust_address instead of + gen_lowpart when op0 is a MEM. + +2005-01-24 Steven Bosscher + + * cfgexpand.c (expand_gimple_tailcall): Fix typo. + +2005-01-24 Richard Sandiford + + * config/mips/irix-csr.c: New file. + * config/mips/t-iris6 (irix-csr.o): New rule to build it. + (EXTRA_MULTILIB_PARTS): Add irix-csr.o. + * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64 + executables. + +2005-01-24 Eric Botcazou + + PR bootstrap/19364 + * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and + sparc/elf.h, add sparc/sp-elf.h. + (sparc-*-rtems*): Likewise. + (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and + tm-dwarf2.h, add sparc/sp-elf.h. + (sparc86x-*-elf): Likewise. + (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h. + * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into + TARGET_OS_CPP_BUILTINS. + * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise. + * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise. + Undefine it. + * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine. + * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro. + (SWITCH_TAKES_ARG): Likewise. + (LOCAL_LABEL_PREFIX): Likewise. + (ASM_GENERATE_INTERNAL_LABEL): Likewise. + (TARGET_N_FORMAT_TYPES): Delete. + (TARGET_FORMAT_TYPES): Likewise. + (ASM_DECLARE_FUNCTION_SIZE): Likewise. + * config/sparc/elf.h: Delete. + * config/sparc/sp-elf.h: New file. + +2005-01-24 Kazu Hirata + + * tree-flow-inline.h (phi_arg_from_edge): Remove. + * tree-flow.h: Remove the corresponding prototype. + * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c, + tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge. + +2005-01-24 Jakub Jelinek + + PR target/17751 + * config/rs6000/rs6000.c (rs6000_file_start): Create toc section + for AIX ABI or ELF -fPIC. + (rs6000_emit_load_toc_table): Don't create toc_section here. + (rs6000_xcoff_file_start): Nor here. + +2005-01-24 J"orn Rennecke + + * sh.c (ra.h): Don't #include. + (hard_regs_intersect_p): New function, resurrected from ra.c. + + * sh.c: Fix 1996 Copyright. + +2005-01-24 Richard Henderson + Aldy Hernandez + + * regrename.c (note_sets): Handle subregs. + +2005-01-24 Joseph S. Myers + + PR bootstrap/18058 + * genconditions.c (write_header, write_conditions): Elide file if + not GCC >= 3.0.1. + +2005-01-24 Kazu Hirata + + * c-opts.c, expmed.c, gengtype.c, tree-complex.c, + config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h: + Update copyright. + +2005-01-24 Jakub Jelinek + + * builtins.c (get_pointer_alignment, gimplify_va_arg_expr, + expand_builtin_printf, expand_builtin_fprintf, + expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE + checking against POINTER_TYPE. + (validate_arglist): Handle POINTER_TYPE code by checking + POINTER_TYPE_P. + +2005-01-24 Paolo Bonzini + + * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1, + init_rtlanal): New. + (for_each_rtx): Call for_each_rtx_1. + * rtl.h (init_rtlanal): Declare. + * toplev.c (backend_init): Call init_rtlanal. + +2005-01-24 Jakub Jelinek + + * flow.c (propagate_one_insn): Formatting. + + PR middle-end/19551 + * flow.c (libcall_dead_p): Be more conservative if unsure. + If there are any instructions between insn and call, see if they are + all dead before saying the libcall is dead. + +2005-01-24 Uros Bizjak + + * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand" + operand constraint for operand 0. + +2005-01-23 Richard Henderson + + PR 19486 + * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on + edges leading to join block. + +2005-01-23 Roger Sayle + + * expmed.c (expand_mult_highpart): Make static. Change type of + constant multiplier argument from unsigned HOST_WIDE_INT to rtx. + (expand_divmod): Updates calls to expand_mult_highpart by using + gen_int_mode to pass a CONST_INT rtx. + * rtl.h (expand_mult_highpart): Remove prototype. + +2005-01-23 Kazu Hirata + + * flow.c (regset_bytes, regset_size): Remove. + + * cfganal.c: Fix a reference to Harvey's paper. + +2005-01-23 Steven Bosscher + + PR rtl-optimization/19464 + * tree-optimize.c (init_tree_optimization_passes): Add one more + copyrename pass just before out-of-ssa. + +2005-01-23 Joseph S. Myers + + PR bootstrap/18058 + * recog.c (recog_memoized): Don't define if GENERATOR_FILE. + * ggc-none.c (ggc_free): Define. + +2005-01-23 Kazu Hirata + + * cse.c (max_reg, max_insn_uid): Remove. + (cse_main): Don't access max_reg or max_insn_uid. + + * c-common.c (explicit_flag_signed_bitfields, + lang_statement_code_p, lang_expand_function_end): Remove. + * c-common.h: Remove the corresponding declarations. + * c-opts.c (c_common_handle_option): Remove all write access + to explicit_flag_signed_bitfields. + + * cgraph.c (cgraph_varpool_n_nodes): Remove. + (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes. + * cgraph.h: Remove the corresponding declaration. + + * gcse.c (null_pointer_info): Remove. + +2005-01-23 Roger Sayle + Eric Botcazou + + * combine.c (simplify_logical): Only simplify logical expressions + of the form ior(and(x,y),z) by the inverse distributive law if the + result is cheaper than the original. + +2005-01-23 Kazu Hirata + + * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c, + fold-const.c, gimplify.c, params.h, tree-data-ref.c, + tree-if-conv.c, tree-nested.c, tree-outof-ssa.c, + tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c, + config/freebsd-spec.h, config/arm/arm.h, + config/h8300/h8300.md, config/i386/i386.md, + config/i386/predicates.md, config/i386/sse.md, + config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c, + config/vax/vax.md: Fix comment typos. Follow spelling + conventions. + +2005-01-23 Steven Bosscher + + * gengtype.c (walk_type): Produce `not equal to' compares for loop + tests, instead of `less than'. + +2005-01-23 Richard Sandiford + + * function.c (assign_parm_setup_block): When creating a new stack slot + for a parameter, get its alignment from the parameter's DECL_ALIGN + rather than the type's TYPE_ALIGN. Make sure that the parameter + is at least word aligned. + +2005-01-22 Roger Sayle + + PR middle-end/19378 + * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite. + +2005-01-22 Richard Henderson + + PR target/19506 + * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand + in both compare operands. + (movdfcc_1_sse_max): Likewise. + (movsfcc_1_sse): Likewise. Add earlyclobber for scratch. + (movdfcc_1_sse): Likewise. + * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the + scratch register as needed. + +2005-01-22 Richard Henderson + + * config/i386/i386.md (smaxsf3): Fix mnemonic typo. + + * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test. + +2005-01-22 Richard Henderson + + * genopinit.c (optabs): Use smin/smax for floating point too. + * doc/md.texi: Update to match. Clarify that floating point + results are undefined for +0/-0 and NaN. + * doc/rtl.texi: Likewise. + * rtl.def (SMIN, SMAX): Likewise + * tree.def (MIN_EXPR, MAX_EXPR): Likewise. + + * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add + leading 's' to the name. + * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3, + smaxxf3, sminxf3): Likewise. + * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3): + Likewise. + +2005-01-22 Paul Brook + + * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores. + +2005-01-21 Mark Dettinger + + * config/s390/s390.c (struct processor_costs): New fields + dlgr, dlr, dr, dsgfr, dsgr. + (z900_cost, z990_cost): Values for new fields. + (s390_rtx_costs): New cases MEM und COMPARE in switch + statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND, + DIV, MOD, UDIV, UMOD. + +2005-01-21 Ulrich Weigand + + * config/s390/s390.md ("doloop_si64"): Reload input value directly + into the register being decremented. + ("doloop_si31", "doloop_di"): Likewise. + ("*doloop_si_long"): Adapt pattern. + +2005-01-21 Ulrich Weigand + + * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for + access registers. + (CLASS_MAX_NREGS): Likewise. + +2005-01-21 Daniel Berlin + + * doc/tree-ssa.texi (Statement Operands): Add example for new + must-def macro. Note deprecation of old operands interface. + +2005-01-22 Richard Sandiford + + PR tree-optimization/19484 + * tree-cfg.c (remove_fallthru_edge): New function. + (cleanup_control_flow): Remove fallthru edges from calls that are + now known not to return. + +2005-01-20 Daniel Berlin + + Fix PR tree-optimization/19038 + * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant + copies with loop variant ones. + +2005-01-22 Kazu Hirata + + * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c, + config/alpha/alpha-protos.h, config/alpha/alpha.h, + config/alpha/alpha.md, config/alpha/predicates.md, + config/sparc/freebsd.h, config/sparc/netbsd-elf.h, + config/sparc/sol2.h: Update copyright. + + * tree-cfg.c (remove_forwarder_block_with_phi): Look at the + first label to see if it is a nonlocal label. + +2005-01-22 David Edelsohn + Andrew Pinski + + PR target/19491 + * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at + maximum number of GPRs. Saturate n_fpr at maximum number of FPRs. + +2005-01-22 Ralf Corsepius + + * config/rs6000/rtems.h: Update copyright. + +2005-01-22 Ralf Corsepius + + PR target/19548 + * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4. + (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h). + (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC. + +2005-01-22 Volker Reichelt + + PR c/18809 + * c-typeck.c (convert_arguments): Check for error_mark_node. + +2005-01-21 Ian Lance Taylor + + PR tree-optimization/13000 + * tree-inline.c: Include "tree-flow.h". + (expand_call_inline): If warn_return_type, warn if non-void inline + function falls through. + * tree-cfg.c (execute_warn_function_return): Don't warn about + control reaching end if TREE_NO_WARNING is set. Set + TREE_NO_WARNING. + * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR + has been lowered. + * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else + branch if we don't need one. + * c-typeck.c: Include "tree-flow.h" + (c_finish_bc_stmt): Don't add a goto if the current statement + list doesn't fall through to the current point. + +2005-01-21 Roger Sayle + + PR rtl-optimization/576 + * real.c (real_arithmetic): Change return type from void to bool + to return an indication that the result may be inexact. + * real.h (real_arithmeric): Update prototype. + * fold-const.c (const_binop): Don't constant fold floating + point expressions when the user specifies -frounding-math and + the result may depend upon the run-time rounding mode. + (fold_convert_const_real_from_real): Clean-up. + (fold_initializer): Ignore flag_rounding_math for initializers. + * simplify-rtx.c (simplify_binary_operation): Likewise, don't + constant fold FP operations with flag_rounding_math if the + result may depend upon the run-time rounding mode. + +2005-01-21 Tom Tromey + + * c-cppbuiltin.c (define__GNUC__): Correct assertion. + +2005-01-21 Kazu Hirata + + * tree-cfg.c: Fix comment typos. + +2005-01-21 J"orn Rennecke + + * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file + around the call to rest_of_handle_branch_target_load_optimize. + +2005-01-21 Eric Botcazou + + * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h + (sparc64-*-openbsd*): Likewise. + (sparclite-*-elf*): Include tm-dwarf2.h. + (sparc86x-*-elf*): Likewise. + (sparc64-*-elf*): Likewise. + * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete. + (DBX_DEBUGGING_INFO): Likewise. + * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise. + (PREFERRED_DEBUGGING_TYPE): Likewise. + * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise. + * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise. + (PREFERRED_DEBUGGING_TYPE): Likewise. + * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise. + (PREFERRED_DEBUGGING_TYPE): Likewise. + * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise. + +2005-01-21 Hans-Peter Nilsson + + PR target/18701 + * combine.c (combine_simplify_rtx): Revert change of 2004-12-31. + +2005-01-20 Paul Brook + + * doc/rtl.texi: Document value extension requirements for CONST_INT. + +2005-01-20 Kazu Hirata + + * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal + label is first in a sequence of labels. + + * tree-cfg.c (tree_verify_flow_info): Fix a typo. + +2005-01-20 Janis Johnson + Giovanni Bajo + + * doc/sourcebuild.texi (Test Directives): New. + +2005-01-20 Roger Sayle + + * real.c (real_floor): Don't leave the result uninitialized when + mode is VOIDMode, but return the unrounded intermediate value. + (real_ceil): Likewise. + +2005-01-20 Paul Brook + + * config/arm/arm.md (insv): Use gen_int_mode. + +2005-01-20 Eric Botcazou + + * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete. + * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise. + * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise. + * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise. + * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise. + +2005-01-20 Daniel Berlin + + Fix PR debug/19124 + * dwarf2out.c (concat_loc_descriptor): We don't know we can use + fbreg, so we have to assume we can't. + (loc_descriptor_from_tree_1): Ditto. + (containing_function_has_frame_base): New function. + (add_location_or_const_value_attribute): Use it. + Also try to generate a frame_base from a single element location + list. + +2005-01-20 Kazu Hirata + + PR tree-optimization/15349 + * timevar.def (TV_TREE_MERGE_PHI): New. + * tree-cfg.c (tree_forwarder_block_p): Add a new argument + PHI_WANTED. + (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the + calls to tree_forwarder_block_p. + (remove_forwarder_block_with_phi, merge_phi_nodes, + gate_merge_phi, pass_merge_phi): New. + * tree-optimize.c (init_tree_optimization_passes): Add + pass_merge_phi. + * tree-pass.h: Add an extern for pass_merge_phi; + +2005-01-20 Richard Henderson + + PR target/19418 + * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New. + (_mm_castps_pd, _mm_castps_si128): New. + (_mm_castsi128_ps, _mm_castsi128_pd): New. + +2005-01-20 Richard Henderson + + PR target/19530 + * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use + __builtin_ia32_vec_init_v2si. + (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si. + * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New. + (ix86_init_mmx_sse_builtins): Create it. + (ix86_expand_builtin): Expand it. + (ix86_expand_vector_set): Handle V2SFmode and V2SImode. + * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New. + (vec_extractv2si_0, vec_extractv2si_1): New. + +2005-01-20 Richard Henderson + + PR target/16533 + * config/i386/i386.c (ix86_expand_push): New. + * config/i386/mmx.md (push1): New. + * config/i386/sse.md (push1): New. + * config/i386/i386-protos.h: Update. + +2005-01-20 Kazu Hirata + + * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update + copyright. + +2005-01-20 Richard Henderson + + * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ. + * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR. + +2005-01-19 Richard Henderson + + PR target/19350 + * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert + to V4SFmode in SSE1 fallback load path. + +2005-01-19 Richard Henderson + + * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo + in QImode expansion to ix86_expand_vector_set. + (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call. + +2005-01-19 Richard Henderson + + PR target/19511 + * config/i386/i386.c (ix86_preferred_reload_class): Return a proper + subclass of the input class. + (ix86_secondary_memory_needed): Always true for cross-MMX classes. + Always true for cross-SSE1 classes. Rationalize conditionals. + * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality. + * config/i386/i386.md (movsi_1): Add MMX/SSE zeros. Fix alternatives + for SSE1. Don't check TARGET_INTER_UNIT_MOVES. + (movdi_2): Add MMX/SSE zeros. + (movdi_1_rex64): Likewise. Don't check TARGET_INTER_UNIT_MOVES. + (movsf_1): Don't check TARGET_INTER_UNIT_MOVES. + (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise. + (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove. + (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove. + (zero_extendsidi2_rex64_1): Remove. + (MOV0 peephole): Check GENERAL_REG_P. + +2005-01-19 Richard Henderson + + PR target/19427 + * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth + shufps elements. + (ix86_expand_vector_extract): Likewise. + +2005-01-19 Richard Henderson + + PR middle-end/19304 + * expr.c (emit_move_change_mode): New argument force; use + simplify_gen_subreg if true. + (emit_move_via_alt_mode): Merge into ... + (emit_move_via_integer): ... here. + (emit_move_ccmode): Use emit_move_change_mode directly. + +2005-01-19 Richard Henderson + + PR target/19518 + * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH. + (alpha_preferred_reload_class): Handle CONST_VECTOR. + (alpha_emit_set_const_1): Add no_output parameter; don't emit + rtl if true. + (alpha_emit_set_const): Likewise. Make static. + (alpha_emit_set_long_const): Make static. + (alpha_extract_integer): Split out from alpha_expand_mov. + (alpha_split_const_mov): Likewise. + (alpha_expand_mov): Use them. Handle CONST_VECTOR. + (alpha_legitimate_constant_p): New. + * config/alpha/alpha-protos.h: Update. + * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost. + (LEGITIMATE_CONSTANT_P): Re-implement with a function. + * config/alpha/alpha.md (movsi): Add n alternative. + (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise. + (mov_fix, mov_nofix): Add i alternative. + (splitters for all of the above): Use alpha_split_const_mov. + * config/alpha/predicates.md (non_add_const_operand): New. + (non_zero_const_operand): New. + (input_operand): Use alpha_legitimate_constant_p after reload. + +2005-01-19 Zdenek Dvorak + + PR tree-optimization/19038 + * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function. + (add_candidate): Add ivs with increment in latch only if + allow_ip_end_pos_p is true. + (determine_iv_cost): Use empty_block_p. + +2005-01-19 Daniel Berlin + + * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm + (compute_dominance_frontiers): Ditto. + +2005-01-19 Ralf Corsepius + + PR target/19529 + * config/sh/t-rtems: New. + * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems. + +2005-01-19 Zdenek Dvorak + + * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract + the offset of the selected field. + +2005-01-19 Kazu Hirata + + * tree-cfg.c (remove_forwarder_block): Fix the check to + prevent a nonlocal label from appearing in the middle of a + basic block. + +2005-01-19 Hans-Peter Nilsson + + PR rtl-optimization/19462 + * reorg.c (find_end_label): Create return insn only if + current_function_epilogue_delay_list is empty. + +2005-01-19 Paolo Bonzini + + * doc/passes.texi: Remove paragraph mentioning new-ra. + +2005-01-19 Jakub Jelinek + + PR rtl-optimization/15139 + * combine.c: Include params.h. + (count_rtxs): New function. + (record_value_for_reg): If replace_rtx would replace at least + 2 occurrences of REG in VALUE and TEM is really large, replace REG with + (clobber (const_int 0)) instead of TEM. + * params.def (PARAM_MAX_LAST_VALUE_RTL): New. + * params.h (MAX_LAST_VALUE_RTL): New. + * Makefile.in (combine.o): Depend on $(PARAMS_H). + * doc/invoke.texi (--param max-last-value-rtl=N): Document. + + PR c/17297 + * c-typeck.c (digest_init): Only call build_vector if all constructor + elements are *_CST nodes. + * gimplify.c (gimplify_init_constructor): Likewise. + + PR middle-end/19164 + * c-typeck.c (digest_init): Only call build_vector if inside_init + is a CONSTRUCTOR. + +2005-01-18 Tobias Schl"uter + + * toplev.c (init_asm_output): Remove dead #ifdef. + +2005-01-18 Kaz Kojima + + * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define. + +2005-01-18 Eric Botcazou + + * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before + accessing DECL_FUNCTION_CODE. + * dojump.c (do_jump): Likewise. + * gimplify.c (gimplify_call_expr): Likewise. + * predict.c (expr_expected_value): Likewise. + (strip_builtin_expect): Likewise. + * tree-inline.c (estimate_num_insns_1): Likewise. + * tree-ssa-loop-im.c (stmt_cost): Likewise + * fold-const.c (fold): Test for BUILT_IN_NORMAL. + (tree_expr_nonnegative_p): Likewise. + +2005-01-18 Eric Botcazou + + * config/sparc/sparc.c (load_pic_register): Emit the appropriate + variant of the load_pcrel_sym pattern. + * config/sparc/sparc.md (P macro): Move to the top. + (load_pcrel_sym): Macroize using P. + (save_register_window): Likewise. + +2005-01-18 Aldy Hernandez + + * config/rs6000/rs6000.md ("sunordered"): Disable for e500. + ("sordered"): Same. + +2005-01-18 Andrew Pinski + + PR C/19472 + * c-typeck.c (build_asm_expr): Strip nops off + input memory operands. + +2005-01-18 David Edelsohn + + * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete + _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API. + * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same. + * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same. + +2005-01-18 Joel Sherrill + + PR target/19379 + * config/i386/i386.c (override_options): If the 80387 is disabled, + then do not return FP values using FP registers. + +2005-01-18 Kazu Hirata + + * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c, + c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c, + combine.c, config.gcc, coverage.h, cse.c, cselib.c, + defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c, + flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c, + gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h, + output.h, postreload-gcse.c, postreload.c, recog.c, + resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c, + targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c, + tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c, + tree-optimize.c, tree-outof-ssa.c, tree-pass.h, + tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c, + tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c, + tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def, + unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright. + + * config/darwin.c, config/darwin.h, config/freebsd-spec.h, + config/alpha/alpha.c, config/arm/vfp.md, + config/i386/emmintrin.h, config/i386/i386-modes.def, + config/i386/i386-protos.h, config/i386/i386.h, + config/i386/pmmintrin.h, config/i386/ppro.md, + config/i386/predicates.md, config/i386/xmmintrin.h, + config/i860/i860.c, config/ia64/ia64-modes.def, + config/ia64/ia64-protos.h, config/ia64/ia64.h, + config/ia64/ia64.md, config/ia64/itanium1.md, + config/ia64/itanium2.md, config/ia64/predicates.md, + config/iq2000/iq2000.h, config/mips/linux64.h, + config/rs6000/aix41.h, config/rs6000/aix43.h, + config/rs6000/aix52.h, config/rs6000/darwin-fallback.c, + config/rs6000/rs6000.c, config/rs6000/rs6000.h, + config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h, + config/sparc/linux64.h, config/sparc/litecoff.h, + config/sparc/sp64-elf.h, config/sparc/sparc.c, + config/sparc/sparc.h, config/sparc/sparc.md, + config/sparc/sysv4-only.h: Update copyright. + +2005-01-18 Richard Henderson + + PR target/19496 + * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ. + +2005-01-18 Marc Espie + * config/i386/openbsdelf.h: Typo. + +2005-01-18 Richard Henderson + + * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP + special case for sse. + * config/i386/predicates.md (sse_comparison_operator): Likewise. + +2005-01-18 Dorit Naishlos + + * tree-inline.c (estimate_num_insns_1): Added cases for + ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR. + +2005-01-18 Eric Botcazou + + PR rtl-optimization/19296 + * combine.c (simplify_comparison): Rewrite the condition under + which a non-paradoxical SUBREG of a PLUS can be lifted when + compared against a constant. + +2005-01-18 Andi Kleen + + * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign. + * c.opt (-Wpointer-sign): Add. + * doc/invoke.texi: (-Wpointer-sign): Add. + +2005-01-18 Uros Bizjak + + * config/i386/i386.c (override_options): Revert 2004-11-24 change. + * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3, + *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2, + logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2, + exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2, + nearbyintsf2): Disable for TARGET_SSE_MATH. Leave patterns enabled + for TARGET_MIX_SSE_I387. + (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2, + sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1, + atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2, + log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2, + floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for + (TARGET_SSE2 && TARGET_SSE_MATH). Leave patterns enabled for + TARGET_MIX_SSE_I387. + (atan2sf3, atan2df3, atan2xf3): Remove register constraints + from expander. + +2005-01-18 Uros Bizjak + + PR target/19424 + * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal): + Add movaps alternative for xmm reg->reg move. + +2005-01-17 Jeff Law + + * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE + at the end of the main DOM loop rather than just before DOM exits. + +2005-01-17 Diego Novillo + + PR tree-optimization/19121 + * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When + adding aliases to a name tag, also add them to the pointer's + type tag. + * tree-ssa-copy.c (merge_alias_info): Do not merge flow + sensitive alias info at all. Only check that the two pointers + have compatible pointed-to sets. + * tree-ssa.c (verify_name_tags): Verify that the alias set of + a pointer's type tag is a superset of the alias set of the + pointer's name tag. + +2005-01-17 James E Wilson + + PR target/19357 + * config/ia64/ia64.md (movxf): Handle general register source. Adjust + comment to document why. + +2005-01-17 Richard Henderson + + * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite, + sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite, + sse2_vmsmaxv2df3_finite, sminv2df3_finite, + sse2_vmsminv2df3_finite): New. + (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3, + sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative. + Force op1 into register. + +2005-01-17 Kelley Cook + + * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent + bubblestrap from always rebuilding build directory. + +2005-01-17 Ulrich Weigand + + * config/s390/s390.md ("*clc"): Remove incorrect '='. + ("*cmpmem_short"): Likewise. + +2005-01-17 Steven Bosscher + + * basic-block.h: Document BB_* flags. + * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED, + use an sbitmap instead. + * sched-rgn.c (compute_trg_info): Likewise. + +2005-01-17 Richard Sandiford + + * config.gcc (mips64*-*-linux*): Set the default abi to n32. Remove + redundant target_cpu_default and extra_parts lines. Use the default + "from-abi" ISA. + * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete. + (SUBTARGET_EXTRA_SPECS): Delete. + (DRIVER_SELF_SPECS): Remove architecture lines. Set the ABI directly. + (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings. + * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32 + and "n32" for -mabi=n32. + +2005-01-17 Ian Lance Taylor + + PR c/5675 + * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't + fold constant variables into initial values. + +2005-01-17 Kazu Hirata + + * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks. + + * tree-cfg.c (tree_forwarder_block_p): Speed up by walking + through the statements backward. + +2005-01-17 Ian Lance Taylor + + PR middle-end/13127: + * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on + a variable set to the return value of the inlined function. + +2005-01-17 Mark Dettinger + + * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG + when modes are tieable. + +2005-01-17 Ranjit Mathew + + * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead + of pthread_create to find out if threads are enabled. + * gthr-posix95.h (__gthread_active_p): Likewise. + +2005-01-17 Paolo Bonzini + + * common.opt (-fnew-ra): Remove. + * ra*.*: Remove. + * toplev.h (flag_new_regalloc): Remove. + * Makefile.in (ra*.*): Don't mention. + * passes.c (rest_of_handle_new_regalloc): Remove. + (rest_of_handle_combine, rest_of_compilation): Always consider + flag_new_regalloc as false. + * doc/invoke.texi: Don't document -fnew-ra. + +2005-01-17 Paolo Bonzini + + * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove + last parameter to reg_scan. + * loop.c (loop_optimize): Likewise. + * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion, + rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass, + rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2, + rest_of_handle_gcse, rest_of_handle_loop_optimize, + rest_of_handle_loop2, rest_of_handle_jump2): Likewise. + * regclass.c (reg_scan): Likewise, for the declaration. + * rtl.h (reg_scan): Likewise, for the prototype. + +2005-01-17 Kazu Hirata + + * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call + mark_dfs_back_edges. + +2005-01-16 Daniel Berlin + + * tree-ssa-pre.c (add_to_sets): s1 may be NULL. + (compute_avail): Uses don't go in tmp_gen. + +2005-01-16 Steven Bosscher + + * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a + loop to look for a free slot in a page entry. + +2005-01-16 John David Anglin + + PR target/16304 + * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default. + * toplev.c (compile_file): Call process_pending_assemble_output_defs + just before targetm.asm_out.file_end. + * tree.h (process_pending_assemble_output_defs): Declare. + * varasm.c (assemble_output_def, process_pending_assemble_output_defs): + New functions. + (assemble_alias): Defer generation of assembly code for defines when + TARGET_DEFERRED_OUTPUT_DEFS is true. + * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define. + * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define. + * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document. + +2005-01-15 John David Anglin + + PR target/19336 + * pa.c (pa_scalar_mode_supported_p): New function. + (TARGET_SCALAR_MODE_SUPPORTED_P): Define. + * pa.h (MIN_UNITS_PER_WORD): Add comment. + + * pa-protos.h (prefetch_operand): Delete. + (prefetch_cc_operand, prefetch_nocc_operand): New declations. + * pa.c (prefetch_operand): Delete. + (prefetch_cc_operand, prefetch_nocc_operand): New functions. + * pa.h (EXTRA_CONSTRAINT): Add `W' constraint. + (PREDICATE_CODES): Delete prefetch_operand. Add prefetch_cc_operand + and prefetch_nocc_operand. + * pa.md (prefetch): Rework to avoid reload problems handling short + displacements when a cache control completer needs to be provided. + (prefetch_32, prefetch_64): Delete. + (prefetch_cc, prefetch_nocc): New patterns. + +2005-01-15 David Edelsohn + + * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change. + +2005-01-15 John David Anglin + + PR ada/19388 + * pa.c (pa_asm_output_aligned_common): Warn if specified alignment + exceeds maximum alignment for global common data. + * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768. + * som.h (MAX_OFILE_ALIGNMENT): Likewise. + +2004-01-15 Roger Sayle + + * tree-ssa-dom.c (extract_range_from_cond): Correct condition. + +2004-01-15 Roger Sayle + + * harg-reg-set.h (reg_class_names): Prototype global array. + * regclass.c (reg_class_names): Declare here and initialize to + REG_CLASS_NAMES. + (dump_regclass): Remove local declaration of reg_class_names. + (regclass): Likewise. + * cfg.c (dump_flow_info): Likewise. + * ra-debug.c (reg_class_names): Likewise. + * regrename.c (reg_class_names): Likewise. + * reload.c (reg_class_names): Likewise. + * reload1.c (spill_failure): Likewise. + * config/m68hc11/m68hc11.c (reg_class_names): Likewise. + +2005-01-15 Ulrich Weigand + + * config/s390/s390.md ("reload_outti"): Remove predicate for + output operand. Abort if operand is not a MEM. + ("reload_outdi", "reload_outdf"): Likewise. + +2005-01-15 Marc Espie + + * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2. + (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4. + * config/openbsd.h: Fix C++ includes for native configurations. + Add proper OS_CPP_BUILTINS. Fix libspec for recent OpenBSD. + Add trampoline support. + * config/i386/openbsdelf.h: New. + +2005-01-15 Marc Espie + + * collect2.c (main): Explicitly parse -dynamic-linker option. + +2005-01-15 Jakub Jelinek + + PR tree-optimization/19060 + * tree-ssa-dom.c (extract_range_from_cond) : + Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE (). + (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0 + and handle extract_range_from_cond returning false. + * fold-const.c (fold): Optimize comparisons with min/max even for + width > HOST_BITS_PER_WIDE_INT. + +2005-01-15 Ralf Corsepius + + * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0. + * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS): + Remove little endian multilib variants. + Add mips32 multilib variant. + +2005-01-15 Kazu Hirata + + * explow.c (copy_all_reg, stabilize): Remove. + * expr.h: Remove the corresponding prototypes. + + * rtlanal.c (regs_set_between_p): Remove. + * rtl.h: Remove the corresponding prototype. + +2005-01-14 David Edelsohn + + * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename + to rs6000_nonimmediate_operand. + * config/rs6000/rs6000.h (PREDICATE_CODES): Rename + rs6k_nonimmediate_operand to rs6000_nonimmediate_operand. + * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to + rs6000_nonimmediate_operand. + * config/rs6000/spe.md (movdf_e500_double): Rename predicate to + rs6000_nonimmediate_operand. + +2005-01-14 Andrew Pinski + + * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts. + +2005-01-14 Aldy Hernandez + + * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register + on e500v2. + (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2. + (PREDICATE_CODES): Add rs6k_nonimmediate_operand. + + * config/rs6000/rs6000.c (invalid_e500_subreg): New. + (rs6k_nonimmediate_operand): New. + (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2 + correctly. + (legitimate_lo_sum_address_p): Same. + (rs6000_legitimize_address): Same. + (rs6000_legitimize_reload_address): Same. + (rs6000_legitimate_address): Same. + (spe_build_register_parallel): Pass DF and DC modes in a DI + register. + + * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate + to rs6k_nonimmediate_operand. + + * config/rs6000/spe.md ("*frob_df_di"): New. + ("*frob_di_df"): New. + ("*frob_di_df_2"): New. + ("*mov_sidf_e500_subreg0"): New. + ("*mov_sidf_e500_subreg4"): New. + ("*movdf_e500_double"): Change predicate to + rs6k_nonimmediate_operand. + +2005-01-14 Aldy Hernandez + + * postreload.c (move2add_note_store): Only call + trunc_int_for_mode on scalar integers. + +2005-01-14 Steven Bosscher + + * tree-ssa-dce.c (visited_control_parents): New sbitmap to + replace BB_VISITED uses. + (find_obviously_necessary_stmts): Don't clear BB_VISITED. + (propagate_necessity): Check the bitmap instead of BB_VISITED. + (tree_dce_done): Free visited_control_parents. + (perform_tree_ssa_dce): Allocate and clear it. + * tree-ssa-pre.c (compute_antic_aux): Make non-recursive. + (compute_antic): Iterate from here using a DFS. Use an sbitmap + instead of BB_VISITED. + +2005-01-14 Kazu Hirata + + * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h, + rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h: + Remove unused prototypes. + +2005-01-14 Aldy Hernandez + + * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE + 64-bit register usage. + (spe_func_has_64bit_regs_p): Add FIXME note. + +2005-01-14 Aldy Hernandez + + * config/rs6000/rs6000.c (rs6000_generate_compare): Replace + flag_finite_math_only with flag_unsafe_math_optimizations. + +2005-01-14 J. D. Johnston + + * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct + end-of-stack check. + (__tpf_eh_return): Copy TPF private stack area from the module + boundary stack frame. Add check for when module addresses are + equal, but no stub address is found. + +2005-01-14 Richard Earnshaw + + PR target/7525 + * arm.h (struct machine_function): Add call_via field. + (thumb_call_via_label): Declare. + * arm.c (thumb_call_via_label): New variable. + (thumb_call_reg_needed): New variable. + (arm_output_function_epilogue): For Thumb code, output any per-function + call-indirect trampolines. + (thumb_call_via_reg): New function. + (arm_file_end): New function. + (TARGET_ASM_FILE_END): Call arm_file_end. + (aof_file_end): Likewise. + * arm-protos.h (thumb_call_via_reg): Declare. + * arm.md (call_reg_thumb, call_value_reg_thumb): Call + thumb_call_via_reg in normal case. + +2005-01-14 Jakub Jelinek + + PR middle-end/19084 + PR rtl-optimization/19348 + * recog.c (peephole2_optimize): Do global life update if some peephole + decides it doesn't need at least one of its inputs and that change + influences liveness at the start of the basic block. + + * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET + arguments instead of 1. + +2005-01-14 Eric Botcazou + + PR middle-end/18820 + * varasm.c (initializer_constant_valid_p) : Return + zero for nested functions needing a static chain or functions + with a non-constant address. + +2005-01-13 Roger Sayle + + * simplify-rtx.c (simplify_binary_operation) : Optimize + (and (sign_extend X) C) into (zero_extend (and X C)). + +2005-01-13 David O'Brien + + * config/freebsd-spec.h: Make KSE pthread lib logic the default. + +2005-01-13 Richard Henderson + + PR target/19009 + PR target/19250 + PR target/19252 + * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq, + bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH, + not just TARGET_SSE. + (cmpfp_i_387): Rename from cmpfp_i. Move after sse patterns. + (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387. + (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH. + (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly. + (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly. + (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly. + (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387, + fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N. + (movdicc_c_rex64): Rename with '*'. + (movsfcc, movdfcc): Add checks for 387 and sse math to condition. + (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New. + (movsfcc_1_387): Rename from movsfcc_1. + (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New. + (movdfcc_1, movdfcc_1_rex64): Add check for 387. + (sminsf3, smaxsf3, smindf3, smaxdf3): New. + (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf, + mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse, + maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq, + sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1, + sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4, + sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3, + sse_movdfcc_const0_4): Remove. + * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH, + recognize min/max early. Update for changed sse cmove patterns. + (ix86_split_sse_movcc): New. + * config/i386/i386-protos.h: Update. + +2005-01-13 Steven Bosscher + + * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators. + (fix_stmt_v_may_defs): Likewise. + +2005-01-13 Richard Henderson + + * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode + for converting the mask. + +2005-01-13 David Edelsohn + + * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE + definition to 600. + +2005-01-13 Richard Henderson + + * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD, + IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ, + IX86_BUILTIN_MOVDQ2Q): Remove. + (IX86_BUILTIN_VEC_EXT_V4SI): New. + (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match. + (ix86_expand_vector_extract): For V4S[FI], extract element 0 after + shuffling. + * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2. + (sse2_pextrw): Fix immediate constraint. + (sse2_loadq, sse2_loadq_rex64): Remove. + * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x): + Use __builtin_ia32_vec_ext_. + (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi. + +2005-01-13 Aldy Hernandez + + * function.c (assign_parm_setup_block): Look inside original + entry_parm when inspecting PARALLEL. + +2005-01-13 Ralf Corsepius + Joel Sherrill + + PR target/19399 + * gthr-rtems.h (__gthread_recursive_mutex_t): New type. + (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to + rtems_gxx_recursive_mutex_init. + (__gthread_recursive_mutex_lock): New function. + (__gthread_recursive_mutex_trylock): Likewise. + (__gthread_recursive_mutex_unlock): Likewise. + +2005-01-13 Ralf Corsepius + + * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu. + +2005-01-13 Jan Beulich + + * config/ia64/ia64.md (ashlti3, ashlti3_internal): New. + (ashrti3_internal): Indicate output is early clobber. Generate result + into output rather than first input. Use move for low word of output + if shift count is exactly 64. + (lshrti3_internal): Likewise. + +2005-01-13 Hans-Peter Nilsson + + PR target/18329 + PR target/18330 + * reload1.c (delete_output_reload): Don't delete an output reload + if the pseudo lives longer than a single basic block. Adjust and + improve wording of comment. + +2005-01-12 Andrew Pinski + + PR target/19334 + * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead + of TYPE_SIZE where we mean the number of bytes. + +2005-01-12 Aldy Hernandez + + * function.c (assign_parm_setup_block): Relax condition on + multi-register optimization. + +2005-01-12 Nick Clifton + + * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns + an "in_delay_slot" attribute of "no" to prevent them being used in + delay slots. This is forbidden because they might generate + exceptions. + +2005-01-12 Alan Modra + + PR target/19389 + * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r + with r->Y and Y->r. + +2005-01-12 Nick Clifton + + * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being + passed on to GAS) but do not define, as GAS no longer supports or + needs the -m2000 option. + +2005-01-11 Roger Sayle + + * builtins.c (fold_builtin_fabs): Convert argument to the appropriate + type as args of unprototyped builtins aren't automatically promoted. + (fold_builtin_abs): Likewise. + +2005-01-11 Kaveh R. Ghazi + + * Makefile.in: Set a `build-warn' variable. + +2005-01-11 Zdenek Dvorak + + PR tree-optimization/17949 + * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function. + (find_interesting_uses_address): Use it. + +2005-01-11 Aldy Hernandez + + * regrename.c (kill_value): Handle subreg's that won't simplify. + +2005-01-11 Richard Henderson + + PR target/13366 + * config/i386/i386.h (enum ix86_builtins): Move ... + * config/i386/i386.c: ... here. + (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW, + IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS, + IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128, + IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD, + IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD, IX86_BUILTIN_STOREHPD, + IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD, + IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD, + IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA, + IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI, + IX86_BUILTIN_LOADDDUP): Remove. + (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI, + IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF, + IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF, + IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI, + IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New. + (ix86_init_builtins): Make static. + (ix86_init_mmx_sse_builtins): Update for changed builtins. + (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands + if all the modes match. Otherwise, fake it. + (get_element_number, ix86_expand_vec_init_builtin, + ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New. + (ix86_expand_builtin): Make static. Update for changed builtins. + (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero + operand instead of sse2_loadsd. Cast sse1 fallback to V4SFmode. + (ix86_expand_vector_init_duplicate): New. + (ix86_expand_vector_init_low_nonzero): New. + (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general): + Split out from ix86_expand_vector_init; handle integer modes. + (ix86_expand_vector_init): Use them. + (ix86_expand_vector_set, ix86_expand_vector_extract): New. + * config/i386/i386-protos.h: Update. + * config/i386/predicates.md (reg_or_0_operand): New. + * config/i386/mmx.md (mov_internal): Add 'r' variants. + (movv2sf_internal): Likewise. And a splitter to match them all. + (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf, + vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si, + vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi, + vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New. + (mmx_pinsrw): Fix operand ordering. + * config/i386/sse.md (movv4sf splitter): Use direct pattern, + rather than sse_loadss expander. + (movv2df splitter): Similarly. + (sse_loadss, sse_loadlss): Remove. + (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New. + (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set. + (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract. + (sse3_movddup): Rename with '*'. + (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart. + (sse2_loadsd): Remove. + (vec_dupv2df_sse3): Rename from sse3_loadddup. + (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New. + (sse2_pinsrw): Fix argument ordering. + (sse2_loadld, sse2_loadq): Add sse1 alternatives. + (sse2_stored): Remove 'r' destination. + (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si, + vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di, + vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si, + vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi, + vec_extractv16qi, vec_initv16qi): New. + + * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define. + (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x, + _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use + constructor form. + (_mm_load_pd, _mm_store_pd): Use plain dereference. + (_mm_load_si128, _mm_store_si128): Likewise. + (_mm_load1_pd): Use _mm_set1_pd. + (_mm_load_sd): Use _mm_set_sd. + (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df. + (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd. + (_mm_set_epi64): Use _mm_set_epi64x. + (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16, + _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16, + _mm_setr_epi8): Use _mm_set_foo form. + (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64. + (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di. + (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi. + (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi. + * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast. + (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si. + (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi. + (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi. + (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant. + * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd. + (_mm_movedup_pd): Use _mm_shuffle_pd. + * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss, + _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form. + (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps, + _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero; + Use _mm_setzero_ps. + (_mm_load_ss, _mm_load1_ps): Use _mm_set* form. + (_mm_load_ps, _mm_loadr_ps): Use raw dereference. + (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf. + (_mm_store_ps): Use raw dereference. + (_mm_store1_ps): Use _mm_storeu_ps. + (_mm_storer_ps): Use _mm_store_ps. + (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi. + (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi. + +2005-01-11 Stan Shebs + + * config/rs6000/rs6000.c (machopic_output_stub): Issue + ldu instead of lwzu if 64-bit -mdynamic-no-pic. + +2005-01-11 Andrew Pinski + + PR target/18761 + * config/rs6000/rs6000.c (rs6000_special_round_type_align): + Skip all DECLs except for FIELD_DECLs. + +2005-01-11 Andreas Krebbel + + * config/s390/s390.c (override_options): Return error if + -mbackchain, -mpacked-stack and -mhard-float are used together. + (s390_va_start): Remove the backchain && packed-stack special case. + (s390_gimplify_va_arg): Likewise. + * doc/invoke.texi: Remove the ABI incompatibility note. + +2005-01-11 Andreas Krebbel + + * config/s390/s390.c (struct s390_frame_layout): Remove + save_backchain_p. + (s390_frame_info, s390_emit_prologue): Replace occurrences of + save_backchain_p with TARGET_BACKCHAIN. + +2005-01-11 Alan Modra + + PR target/18916 + * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap. + * expr.h (struct locate_and_pad_arg_data): Add "boundary". + * function.c (locate_and_pad_parm): Set new field. + (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY. + Tweak where_pad test to include "none". Always set mem align for + stack_parm. + (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment + not sufficient for type. + (assign_parm_setup_block): If stack_parm is zero on entry, always + make a new stack local. Block move old stack parm if necessary + to new aligned stack local. + (assign_parm_setup_stack): Use a block move to handle + potentially misaligned entry_parm. + (assign_parms_unsplit_complex): Specify required alignment when + creating stack local. + * calls.c (compute_argument_addresses): Override alignment of stack + arg calculated from its type with the alignment given by + FUNCTION_ARG_BOUNDARY. + (store_one_arg): Likewise. + +2005-01-11 Jan Beulich + + * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4. + Change respective itanium_class attribute to ialu. + (shladdp4_internal): New. + * config/ia64/predicates.md (shladd_log2_operand): New. + +2005-01-11 Richard Henderson + + * expr.c (store_constructor): Use rtvec_alloc instead of + alloca+gen_rtvec_v, and an incorrect number passed to alloca. + +2005-01-11 Kazu Hirata + + * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos. + +2005-01-11 Alan Modra + + * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL. + * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define. + (TARGET_RWRELOC): Define. + (ia64_rwreloc_section_type_flags): Delete. + (ia64_section_type_flags): New function. + * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define. + (TARGET_RWRELOC): Define. + +2005-01-10 David Mosberger + + PR target/18987 + * config/ia64/ia64.c (process_set): For alloc insn, only call + process_epilogue is !frame_pointer_needed. + +2005-01-10 Roger Sayle + + PR c++/19355 + * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a + unary operator and can't be treated as a binary/comparison operator. + +2005-01-10 Richard Henderson + + * config/i386/i386.c (ix86_function_value): Use type_natural_mode. + (ix86_return_in_memory): Likewise. + (function_arg_advance): Likewise. Mirror structure in function_arg + for choosing register to advance. + +2005-01-10 Kazu Hirata + + * tree-vectorizer.c, tree.def: Fix comment typos. + +2005-01-10 Mark Dettinger + + * config/s390/s390.c (struct processor_costs): 4 new fields: + ddbr, ddr, debr, der. + (s390_rtx_costs): More precise handling of divide instructions. + +2005-01-10 David Edelsohn + + * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define. + +2005-01-10 Jan Beulich + + * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section + names resulting from -ffunction-sections/-fdata-sections and linkonce + ones. + * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL + based on the section name. Rearrange the section name comparison logic + slightly so that each section name is compared against at most once. + +2005-01-10 Ben Elliston + + * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of + targets for which -fPIC reduces limitations on the GOT size. + +2005-01-09 Falk Hueffner + + * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding + X/C1 cmpop C2. + +2005-01-09 David Edelsohn + + PR target/18720 + * collect2.c (main): Set aixrtl_flag for -brtl option. + (resolve_lib_name): Search for .so file extension before .a + if aixrtl_flag set. + +2005-01-09 Dorit Naishlos + + * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints. + (vect_analyze_data_refs_alignment): Add dump prints. + +2005-01-09 Ira Rosen + + * tree-vectorizer.c (vect_analyze_offset_expr): Use + expr_invariant_in_loop_p. + Initialize outputs first thing in the function. + (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num. + (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num. + (vect_analyze_pointer_ref_access): Check that the initial condition of + the access function is loop invariant. + +2005-01-09 Richard Henderson + + * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes. + (ix86_expand_builtin): Likewise. Frob MASKMOVQ wrt the input mem + just like MASKMOVDQU. Return plain zero for MMX_ZERO. + * config/i386/i386.md (MMXMODEI, mov, + mov_internal_rex64, mov_internal, movv2sf, + movv2sf_internal_rex64, movv2sf_internal, MMXMODE, + movmisalign, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex, + sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3, + ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3, + mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3, + mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd, + sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, + mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw, + mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, + gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, + ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, + mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw, + mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd, + mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3, + eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw, + pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3, + pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2, + pswapdv2sf2): Move to mmx.md; rename as necessary with leading + mmx_ prefix. + (mmx_clrdi, pavgusb): Remove. + (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename + with leading sse_ prefix. + * config/i386/sse.md: Receive them. + * config/i386/mmx.md: New file. + (MMXMODE12, MMXMODE24, mmxvecsize): New. + (subrv2sf3): Turn into expander for normal subtraction. + (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3, + mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart, + mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3, + mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark + commutative; use ix86_binary_operator_ok. + (mmx_add3, mmx_ssadd3, mmx_usadd3, + mmx_sub3, mmx_sssub3, mmx_ussub3 + mmx_ashr3, mmx_lshr3, mmx_ashl3 + mmx_eq3, mmx_gt3, mmx_and3, + mmx_nand3, mmx_ior3, mmx_xor3): + Macroize from existing patterns; use ix86_binary_operator_ok. + (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative. + (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd, + mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise. Model + with vec_select+vec_concat. + (mmx_pshufw, mmx_pshufw_1): Likewise. + (mmx_uavgv8qi3): Merge pavgusb. Model correcty. + (mmx_uavgv4hi3): Model correctly. + * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64, + _mm_xor_si64): Remove casts. + +2005-01-09 Zdenek Dvorak + + PR tree-optimization/19224 + * tree-scalar-evolution.c (get_instantiated_value, + set_instantiated_value): New functions. + (instantiate_parameters_1): Cache the results. + (instantiate_parameters, resolve_mixers): Initialize and free + the cache. + +2005-01-08 David Edelsohn + + * config/i386/i386.md (addhi_4): Correct reference in comment. + (addqi_4): Same. + +2005-01-08 Richard Henderson + + * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier. + (_mm_cvtsi128_si64x): Likewise. + (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32, + _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use + the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32. + * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF. + * config/i386/i386-protos.h: Update. + * config/i386/i386.c (print_operand): Add 'H'. + (ix86_fixup_binary_operands): Split out from ... + (ix86_expand_binary_operator): ... here. + (ix86_fixup_binary_operands_no_copy): New. + (ix86_expand_fp_absneg_operator): Handle vector mode results. + (bdesc_2arg): Update names for sse{,2,3}_ prefixes. + (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases. + (safe_vector_operand): Use CONST0_RTX. + (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands. + (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and + CODE_FOR_sse2_maskmovdqu. Special case SSE version of MASKMOVDQU + expansion. Update names for sse{,2,3}_ prefixes. Remove *maskncmp* + special cases. + * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New. + (IX86_BUILTIN_CMPNGESS): New. + * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New. + (attr type): Add sselog1. + (attr unit, attr memory): Handle it. + (movti, movti_internal, movti_rex64): Move near other integer moves. + (movtf, movtf_internal): Move near other fp moves. + (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df, + vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal, + movv2df, movv2df_internal, mov, mov_internal, + movmisalign, sse_movups_1, sse_movmskps, sse_movntv4sf, + sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps, + sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess, + sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2, + mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, + rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3, + sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3, + sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3, + sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3, + vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps, + smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi, + cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si, + cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3, + vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3, + vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3, + sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu, + sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi, + cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq, + cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si, + cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps, + cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3, + ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3, + subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3, + smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3, + sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3, + sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw, + sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3, + gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3, + ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3, + ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd, + sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw, + sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd, + sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd, + sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq, + sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd, + sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd, + sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence, + mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3, + addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup, + movsldup, lddqu, loadddup, movddup): Move to sse.md. Any with + non-optabs meanings renamed with an "sse{,2,3}_" prefix at the + same time. + (SSEPUSH, push): Remove. + (MMXPUSH, push): Remove. + (sse_movaps, sse_movaps_1, sse_movups): Remove. + (sse2_movapd, sse2_movdqa, sse2_movq): Remove. + (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove. + (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove. + (maskncmpv4sf3, vmmaskncmpv4sf3): Remove. + (maskncmpv2df3, vmmaskncmpv2df3): Remove. + (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove. + (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove. + * config/i386/athlon.md (athlon_sselog_load): Handle sselog1. + (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise. + * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr. + (ppro_sse_log_V4SF_load): Similarly. Handle sselog1. + (ppro_sse_log_V4SF): Handle sselog1. + * config/i386/predicates.md (const_0_to_1_operand): New. + (const_0_to_255_mul_8_operand): New. + (const_1_to_31_operand): Rename from const_int_1_31_operand. + (const_2_to_3_operand, const_4_to_7_operand): New. + * config/i386/sse.md: New file. + (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New. + (sse_movups): Rename from sse_movups_1. + (sse_loadlss): Rename from sse_loadss_1. + (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix + from the name. + (negv4sf2): Use ix86_expand_fp_absneg_operator. + (absv4sf2, negv2df, absv2df): New. + (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy. + (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3, + iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3, + smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3, + umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise. + (sse3_addsubv4sf3): Model correctly. + sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3, + sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise. + (sse_movhlps): Model with vec_select+vec_concat. + (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup, + sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup, + sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw, + sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq, + sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd, + sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw, + sse2_pshufhw_1): Likewise. + (neg2, one_cmpl2): New. + (add3, sse2_ssadd3, sse2_usadd3, + sub3, sse2_sssub3, sse2_ussub3, + ashr3, lshr3, sse2_eq3, + sse2_gt3, and3, sse_nand3, + ior3, xor3): Macroize from existing patterns. + (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3, + sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3, + mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3, + sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3 + sminv8hi3): Mark commutative + operands. Use ix86_binary_operator_ok. + (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw, + sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd, + sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq, + sse2_punpcklqdq): Allow operand2 in memory. + (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd + sse2_movsd): Add memory alternatives. + (sse_storelps): Turn expander into an insn; split after reload. + (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs. + (sse2_storehpd, sse2_storelpd): Add non-xmm outputs. + +2005-01-08 Eric Botcazou + + * configure.ac (DWARF-2 debug_line): Use objdump. + * configure: Regenerate. + +2005-01-08 Jeff Law + Diego Novillo + + PR tree-optimization/18241 + * tree-nrv.c (tree_nrv): Ignore volatile return values. + * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize + statements with volatile operands. + * tree-ssa-operands.c (add_stmt_operand): Do add volatile + operands after marking a statement with has_volatile_ops. + +2005-01-08 Roger Sayle + + * tree.c (int_fits_type_p): Always honor integer constant + TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist. + +2005-01-08 Roger Sayle + + * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that + the latent bug in rtl_delete_block has been resolved. + +2005-01-08 Richard Sandiford + + * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values. + (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64. + +2005-01-08 Richard Sandiford + + * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the + library as @multilib_dir@/$(SHLIB_SONAME). + +2005-01-07 Eric Botcazou + + * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo. + * configure: Regenerate. + +2005-01-07 Jakub Jelinek + + * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy + TYPE_MODE. + +2005-01-07 David Edelsohn + + PR target/13674 + * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): + Convert non-word aligned offset address using ld/std into + indirect address. + +2005-01-07 Richard Henderson + + * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo. + +2005-01-07 Richard SAndiford + + * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check. + +2005-01-07 Jakub Jelinek + + PR tree-optimization/19283 + * fold-const.c (fold_widened_comparison): Return NULL if shorter_type + is not shorter than the original type. + + PR rtl-optimization/19012 + * config/i386/i386.md (addqi_1_slp): Set memory attribute. + + PR rtl-optimization/18861 + * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define. + (FULL_STATE): Define. + (mark_tablejump_edge): New function. + (purge_dead_tablejump_edges): New function. + (find_bb_boundaries): Use it. + + PR tree-optimization/18828 + * builtins.c (expand_builtin_next_arg): Remove argument and all + the argument checking. + (expand_builtin): Adjust caller. + (expand_builtin_va_start): Likewise. Remove error for too many + arguments. + (fold_builtin_next_arg): Issue error for too many arguments. + After checking arguments, replace them with magic arguments that + prevent further checking of the args. + +2005-01-06 John David Anglin + + * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec. + +2005-01-06 Roger Sayle + + PR target/6077 + * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...} + and %{.S:...} (and their negative variants) to test whether the + input file is assembler or pre-processed-assembler independent of + the actual filename extension. + +2005-01-06 Roger Sayle + + * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts + of sign or zero extended values. + +2005-01-06 Geoffrey Keating + + * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__ + for IBM long double format correctly. + +2005-01-06 Daniel Berlin + + Fix PR tree-optimization/18792 + + * tree-data-ref.c (build_classic_dist_vector): Change first_loop + to first_loop_depth, and use loop depth instead of loop number. + (build_classic_dir_vector): Ditto. + (compute_data_dependences_for_loop): Use depth, not loop number. + * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop + number. Pass in loops, instead of loop numbers. + (gather_interchange_stats): Ditto. + (linear_transform_loops): Ditto. + +2005-01-06 Richard Sandiford + + PR rtl-opt/13299 + * loop.c (get_monotonic_increment, biased_biv_fits_mode_p, + biv_fits_mode_p, extension_within_bounds_p): New functions. + (check_ext_dependent_givs): Use them. + +2005-01-06 Roger Sayle + + * cfgrtl.c (rtl_delete_block): A basic block may be followed by + more than one barrier, in which case we should delete them all. + +2005-01-06 Tobias Schlueter + + * gcc.c (process_command): Change year in 'gcc --version' to 2005. + +2005-01-05 Daniel Berlin + + Fix PR middle-end/19286 + Fix PR debug/19267 + * dwarf2out.c (gen_subprogram_die): If we've already tried to + output this subprogram, simply ignore this attempt to do it again. + (add_abstract_origin_attribute): Don't abort trying to add the abstract + origin attribute if it's not possible. + (gen_block_die): Don't ignore subblocks of "unused" blocks. + (decls_for_scope): Ditto. + * gimple-low.c (mark_blocks_with_used_subblocks): Remove. + (mark_used_blocks): Don't call mark_blocks_with_used_subblocks. + +2005-01-05 Richard Henderson + + PR target/11327 + * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New. + (bdesc_2arg): Use it. + (ix86_expand_binop_builtin): Force operands into registers + when optimizing. + (ix86_expand_unop_builtin, ix86_expand_unop1_builtin, + ix86_expand_sse_compare, ix86_expand_sse_comi, + ix86_expand_builtin): Likewise. + +2005-01-05 Richard Henderson + + * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR + and VEC_SELECT. + * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl]. + (mulv4hi3): Set itanium_class mmmul. + (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove. + (fpack): Rename from fpack_sfsf. + +2005-01-05 Richard Henderson + + PR rtl-opt/10692 + * reload1.c (do_input_reload): Restrict the optimization deleteing + a previous output reload to RELOAD_FOR_INPUT. + +2005-01-05 Steven Bosscher + + * combine.c (expand_compound_operation) : Add + comment that we fall through after case. + (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST. + (distribute_links): Likewise. + * cse.c (cse_insn): Likewise. + * cselib.c (cselib_invalidate_mem): Likewise. + * df.c: Update comments at the top of the file. + (read_modify_subreg_p): Update comments here too. + (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST. + * flow.c (mark_set_1): Likewise. + (mark_used_regs): Likewise. + * gcse.c (mems_conflict_for_gcse_p): Likewise. + (canon_list_insert): Likewise. + (mark_set): Likewise. + (try_replace_reg): Likewise. + (store_killed_in_insn): Likewise. + * loop.c (count_one_set): Likewise. + (basic_induction_var): Likewise. + * postreload-gcse.c (find_mem_conflicts): Likewise. + * postreload.c (reload_combine_note_store): Likewise. + (move2add_note_store): Likewise. + * reload.c (find_equiv_reg): Likewise. + (mark_referenced_resources): Likewise. + * rtlanal.c (set_noop_p): Likewise. + (note_stores): Likewise. + (note_uses): Likewise. + * sched-deps.c (sched_analyze_1): Likewise. + * sched-rgn.c (check_live_1): Likewise. + (update_live_1): Likewise. + * config/i860/i860.c: Likewise. + + * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as + an lvalue. + (ZERO_EXTRACT): Mention that this one can be an lvalue. + + * doc/rtl.texi: Update documentation for bit-fields and SET. + +2005-01-05 Roger Sayle + + * ifcvt.c (find_if_case_1): Revert 2005-01-04 change. + +2005-01-05 Jan Hubicka + Richard Henderson + + PR target/18910 + * config/i386/i386.c (ix86_expand_move): Handle tls symbols + with an offset. + +2005-01-05 Richard Henderson + + PR target/12902 + * config/i386/i386.md (sse_movhps, sse_movlps): Remove. + (sse_shufps): Change operand 3 to const_int_operand. + (sse2_storelps): Fix typo in template. + (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New. + * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them. + (ix86_expand_builtin): Likewise. + +2005-01-05 Julian Brown + + * config/arm/arm.c (arm_return_in_memory): Treat complex types + as aggregates for AAPCS ABIs. + +2005-01-05 Stan Shebs + + * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit + Mach-O getters if ppc64. + * config/darwin.c (darwin_asm_output_dwarf_delta): Obey + size argument. + * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use + signed four-byte field for global code case. + (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation. + +2005-01-05 Roger Sayle + + PR middle-end/19100 + * c-common.c: Include real.h. + (c_common_truthvalue_conversion): Avoid destructively modifying expr. + Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST. + Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST. + * Makefile.in (c-common.o): Update dependencies. + +2005-01-05 Joseph S. Myers + + * c-parse.in (asm_string): Add trailing semicolon. + +2005-01-05 Joseph S. Myers + + * c-parse.in (asm_string): New. Don't allow wide strings in + 'asm'. + (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use + asm_string instead of STRING. + +2005-01-05 Joseph S. Myers + + * c-typeck.c (constructor_no_implicit): Remove. + (set_designator, process_init_element): Don't check + constructor_no_implicit. + +2005-01-05 J"orn Rennecke + Kaz Kojima + + PR target/16482 + * lcm.c (create_pre_exit): New. + (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set + ENTRY_EXIT_EXTRA to 3. Use create_pre_exit. + +2004-01-05 Richard Earnshaw + + * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and + -msoft-float in target_float_switch. + * arm.c (arm_override_options): Fix processing of target_float_switch. + +2004-01-05 Richard Earnshaw + + * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register + preferencing. + +2004-01-05 Uros Bizjak + + * doc/invoke.texi (Intel 386 and AMD x86-64 Options): + Replace i387 with 'i386 compiler' in -mfpmath=sse option. + +2005-01-04 Roger Sayle + + * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block, + if deleting the then-block allows the test-block to fallthru to the + else-block. + +2005-01-04 Andrew Pinski + + PR c/19152 + * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared + after the full declaration if the are in two different TUs. + +2005-01-04 Richard Henderson + + PR tree-opt/19158 + * tree-sra.c (generate_one_element_init): Just + call gimplify_and_add. + (generate_element_init): Record the + new referenced variables and mark them for renaming + and split out to ... + (generate_element_init_1): This. + (scalarize_init): Don't call push_gimplify_context/ + pop_gimplify_context. + +2005-01-04 Geoffrey Keating + + * toplev.c (get_src_pwd): Handle failure of getpwd(). + +2005-01-04 Roger Sayle + + * fold-const.c (fold_single_bit_test): Delete unreachable handling + of TRUTH_NOT_EXPR. + (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as + all the cases handled by it are inverted by invert_truthvalue. + +2005-01-04 Eric Botcazou + + * config/sparc/sparc.md (save_register_windowdi): Add missing mode. + (save_register_windowsi): Likewise. + +2005-01-04 Richard Henderson + + * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname. + +2005-01-04 Uros Bizjak + + PR middle-end/17767 + * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt + any simplifications of vector mode comparison operators. + * simplify-rtx.c (simplify_relational_operation): Fix variable name. + +2005-01-04 Paolo Bonzini + Devang Patel + + PR tree-optimization/18308 + * tree-if-conv.c (add_to_dst_predicate_list): Gimplify + the operands before creating a new expression. + * dojump.c (do_jump): Make drop_through_label available + for all cases. Add expansion of COND_EXPR. + +2005-01-04 Ira Rosen + + * tree-vectorizer.c (vect_analyze_offset_expr): Test for + INTEGER_CST instead of TREE_CONSTANT. + (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST + instead of TREE_CONSTANT. + (vect_analyze_pointer_ref_access): Test for INTEGER_CST + instead of TREE_CONSTANT. + +2005-01-04 Eric Botcazou + + * tree-eh.c (replace_goto_queue): Return early if the queue is empty. + +2005-01-04 Uros Bizjak + + PR target/19240 + * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH. + (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH). + +2005-01-03 Richard Henderson + + * fold-const.c (force_fit_type): Cope with types larger than 2 HWI. + (fold_convert_const_int_from_int, fold_convert_const_int_from_real, + fold_convert_const_real_from_real): Split out from ... + (fold_convert_const): ... here. + +2005-01-03 Richard Henderson + + PR target/19235 + * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives. + (mov_internal): Likewise. + (movdf_nointeger): Prefer Y while not preferring, but allowing, x. + Add V2SF case; use it for SSE1; don't use TI. + (movdf_integer): Likewise. + (mov_internal, movti_internal): Force V4SF for SSE1. + +2005-01-03 Ira Rosen + + * tree-vectorizer.c (vect_strip_conversions): New function. + (vect_analyze_offset_expr): Call vect_strip_conversions. Add + check for binary class. + +2005-01-03 Daniel Berlin + + Fix PR debug/17924 + Fix PR debug/19191 + * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin + is a decl. + * gimple-low.c (mark_blocks_with_used_vars): New function. + (mark_blocks_with_used_subblocks): Ditto. + (mark_used_blocks): Ditto. + (pass_mark_used_blocks): New pass. + * tree-inline.c: Include debug.h. + (expand_call_inline): Call outlining_inline_function here. + * tree-optimize.c (init_tree_optimization_passes): Add + pass_mark_used_blocks. + * tree-pass.h (pass_mark_used_blocks): New. + * Makefile.in (tree-inline.o): Add debug.h dependency. + +2005-01-03 Geoffrey Keating + + * config/darwin.c (darwin_handle_weak_import_attribute): Permit + VAR_DECLs to have weak_import attribute. + + * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than + 'struct ucontext'. + +2004-01-03 Steven Bosscher + + * passes.c (rest_of_compilation): Don't run regmove if only + flag_expensive_optimizations, require flag_regmove instead. + +2005-01-03 Eric Botcazou + + * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not + register "sparc". + * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise. + * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise. + * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete. + * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise. + +2005-01-03 Richard Henderson + + * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New. + (ia64_const_ok_for_letter_p): New. + (ia64_const_double_ok_for_letter_p): New. + (ia64_extra_constraint): New. + (ia64_expand_vecint_compare): New. + (ia64_expand_vcondu_v2si): New. + (ia64_expand_vecint_cmov): New. + (ia64_expand_vecint_minmax): New. + (ia64_print_operand): Add 'v'. + (ia64_preferred_reload_class): New. + (ia64_vector_mode_supported_p): New. + * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New. + (PREFERRED_RELOAD_CLASS): Move to function. + (CONST_OK_FOR_LETTER_P): Move to function. + (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function. + (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove. + (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove. + (EXTRA_CONSTRAINT): Move to function. + * config/ia64/ia64.md: Include vect.md. + (itanium_class): Add mmalua. + (type): Handle it. + * config/ia64/itanium1.md (1_mmalua): New. Add it to bypasses. + (1b_mmalua): New. + * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly. + * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any + CONST0_RTX. + (const_int_2bit_operand): New. + (fr_reg_or_0_operand): New. + * config/ia64/ia64-modes.def: Add vector modes. + * config/ia64/ia64-protos.h: Update. + * config/ia64/vect.md: New file. + +2005-01-03 Richard Henderson + + * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT. + +2005-01-03 Uros Bizjak + + PR target/19236 + * config/i386/i386.c (log1psf2): Change mode of operands[0,1] + to SFmode. + (log1pdf2): Change mode of operands[0,1] to DFmode. + +2005-01-03 Eric Botcazou + + * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false. + * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true. + * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise. + * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to + SPARC_RELAXED_ORDERING. + +2005-01-03 Richard Henderson + Uros Bizjak + + PR target/14631 + * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW, + IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message. + * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector + handling. + (*mmx_pinsrw, *sse2_pinsrw): New patterns. + * config/i386/i386/predicates.md (const_pow2_1_to_8_operand, + const_pow2_1_to_128_operand): New predicates. + +2005-01-02 Greg McGary + + * tree-mudflap.c (mf_varname_tree): decl_printable_name handles + anonymous decls. + (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost + object. [ptr_type]: Remove unused variable. + Remember nearest addressable array-element or record-component + when checking bitfield components. Tolerate empty BIND_EXPR. + +2005-01-01 Richard Henderson + + * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions + that don't narrow the value. Fail for other conversions. + +2005-01-01 Richard Henderson + + PR c/19031 + * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks. + * c-lang.c (finish_file): Don't do it here. + * objc/objc-act.c (objc_finish_file): Likewise. + + * cgraph.c (decl_assembler_name_equal): New. + (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New. + (cgraph_varpool_node): Actually link up cgraph_varpool_nodes. + * cgraph.h (struct cgraph_varpool_node): Add next. + (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare. + * varasm.c (assemble_alias): Mark the target as needed. + +2005-01-01 Andrew Pinski + + PR middle-end/19221 + * function.c (get_arg_pointer_save_area): Use entry_of_function + instead of get_insns. + +2005-01-01 Roger Sayle + Andrew Pinski + James E. Wilson + + PR rtl-optimization/12092 + * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK + is zero. + +2005-01-01 Roger Sayle + Olivier Hainque + + * tree.c (int_fits_type_p): A narrower type always fits in a + wider one, except for negative values into unsigned types. + +2005-01-01 Roger Sayle + + * tree.c (int_fits_type_p): Compare the result of force_fit_type + with the original constant rather than require TREE_OVERFLOW. + +2005-01-01 Steven Bosscher + + PR middle-end/17544 + * c-decl.c (finish_function): If compiling C99, annotate the + compiler generated return with the current file name and line 0. + * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if + the source line is greater than 0. + (remove_bb): Likewise. -- cgit v1.2.3