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Diffstat (limited to 'gcc-4.8/gcc/ChangeLog-1997')
-rw-r--r-- | gcc-4.8/gcc/ChangeLog-1997 | 3976 |
1 files changed, 0 insertions, 3976 deletions
diff --git a/gcc-4.8/gcc/ChangeLog-1997 b/gcc-4.8/gcc/ChangeLog-1997 deleted file mode 100644 index bb6d33bf0..000000000 --- a/gcc-4.8/gcc/ChangeLog-1997 +++ /dev/null @@ -1,3976 +0,0 @@ -Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com> - - * configure.in: Set and substitute host_exeext. Use it when creating - the assembler and linker symlinks. - * configure: Rebuild. - * Makefile.in (exeext): Set to @host_exeext@. - (build_exeext): New variable, set to @build_exeext@. - (FLAGS_TO_PASS): Pass down build_exeext. - (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi* - programs. - -Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com) - - * mn10200.md (addsi3, subsi3): Fix thinkos. - -Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com> - - * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of - save+restore. Fix pic+big_offset delay slot. Use "pic" case for - unix always, since we want to be able to thunk to functions in a - shared library from an application. - -Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com> - - * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a. - (LIB1ASMSRC, LIB1ASMFUNCS): Define. - -Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com) - - * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the - offset's mode is not ptr_mode, convert it. - -Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com> - - * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross - compiling if it was already defined. - -Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com) - - * flow.c (find_basic_blocks): Don't create a new basic block - for calls in a LIBCALL block. - -Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu> - - * config/fp-bit.c (L_df_to_sf): Fix typo in last change. - -Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com) - - * cse.c (rtx_cost): Remove conflicting default case. - -Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com> - - * configure.in: Move default enabling of Haifa out of for loop. - * configure: Rebuild. - -Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -1997-12-25 Teemu Torma <tot@trema.com> - - * Makefile.in (GTHREAD_FLAGS): New var. - (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS). - (distclean): Remove gthr-default.h. - - * configure.in: Accept dce as a thread package. - Check for thread.h and pthread.h. - Link gthr-default.h to appropriate thread file and set - gthread_flags. - (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and - include multilib definitions from pa/t-dce-thr. - (sparc-*-solaris2*): Enable threads by default, if thread.h or - pthread.h is found, preferring posix threads over solaris ones. - - * config/pa/t-dce-thr: New file. - * config/pa/t-pa: Removed multilibs. - * config/sparc/t-sol2: Likewise. - - * gthr.h: New file. - * gthr-single.h: New file. - * gthr-posix.h: New file. - * gthr-solaris.h: New file. - * gthr-dce.h: New file. - * libgcc-thr.h: Removed. - * objc/thr-dce.c: New file copied from thr-decosf1.c. - - * frame.c: Include gthr.h instead of libgcc-thr.h. - * libgcc2.c: Include gthr.h instead of libgcc-thr.h. - (eh_context_initialize): If __gthread_once fails, use static eh - context. - (eh_context_free): Call __gthread_key_dtor. - -Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com) - - * expr.h (MUST_PASS_IN_STACK): Allow target port to override. - -Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com> - - * cse.c (max_insn_uid): New variable. - (cse_around_loop): Use max_insn_uid. - (cse_main): Set max_insn_uid. - - * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT, - and define __LONG_MAX__ appropriately. Add support for -mabi=X, - -mlong64, and -mgp{32,64} options. - * mips.c (mips_abi): Change type to int. - * mips.h (enum mips_abi_type): Delete. - (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants. - (mips_abi): Change type to int. - -Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu> - - * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check; - optimization is now always enabled. - - * calls.c (expand_call): Recognize C++ operator new as malloc-like - function. - - * alias.c (memrefs_conflict_p): Eliminate tests now done by - base_alias_check. - (*_dependence): Call canon_rtx before base_alias_check. - (init_alias_once): New function to precompute set of registers which - can hold Pmode function arguments. - - * rtl.h: Declare init_alias_once. - - * toplev.c (compile_file): Call init_alias_once. - -Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com) - - * tree.c (restore_tree_status): Do not dereference a null pointer. - -Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com> - - * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to - RLIMIT_STACK. This maintains consistency with the recent, similar - patch to cccp.c and toplev.c. - -Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com> - - * genattrtab.c (expand_units): For large nr opclasses, expand - function_units_used with ORX to prevent blowups. Tag with FFS. - (num_unit_opclasses): New variable. - (gen_unit): Update it. - (enum operator): Add ORX_OP. - (operate_exp): Treat ORX as or, except don't expand across an if. - Reuse number rtx's after operating on them. - (check_attr_value): Accept IOR, AND, & FFS. - (write_test_expr): Transmute `in_comparison' to `flags'. Allow - for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE. - (write_expr_attr_cache, write_toplevel_expr): New functions. - (write_attr_get): Handle FFS-tagged expressions. - (make_canonical): Don't expand const attributes. - (convert_const_symbol_ref): Dike out. - (evaluate_eq_attr): Handle SYMBOL_REF. - (main): Don't emit get_attr_foo for const attributes. - - * alpha.c (override_options): Reinstate PROCESSOR_EV6. - (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests. - * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly. - * alpha.md: Redo all of the scheduling, adding EV6 support, and - combining function units where possible. - (attr "type"): Split loads, stores, cmov into int/fp. Combine - multiplies and divides. Add EV6 sqrt, ftoi, itof. - (attr "opsize"): New attribute. - (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns. - (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX - to control register allocation. - (movsi2-1, movdi2-1): Likewise. - -Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com> - - * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, - MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC): - Move OSF/1 specific defines out. - * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS): - Move Linux specific defines out. - (LINK_SPEC): Genericize. - (ASM_FILE_START): Emit .arch if using more than the base insn set. - (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version. - (SDB_DEBUGGING_INFO): Remove; gas can't handle it. - (HANDLE_SYSV_PRAGMA): Define. - * alpha/osf.h: New file. - * alpha/linux.h: Split. Retain file-format independent defines. - Import Linux bits from elf.h. - (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES. - (FUNCTION_PROFILER): _mcount takes its address in $28. - (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef. - * alpha/linux-ecoff.h: New file. - * alpha/linux-elf.h: New file. - * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h. - * alpha/win-nt.h (TARGET_DEFAULT): Define. - * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]: - Add new headers as appropriate. - - * configure.in (alpha*): Enable Haifa by default. - (*-*-winnt3*): Change to winnt*, since we're not v3 specific. - * configure: Rebuild. - -Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com> - - * Makefile.in (clean): Remove the stages with their objects here ... - (distclean): ... instead of here. - -Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * cse.c (rtx_cost): Add default case in enumeration switch. - * fix-header.c (recognized_macro): Likewise. - (recognized_extern): Likewise. - (write_rbrac): Likewise. - * objc/objc-act.c (encode_aggregate): Likewise. - (gen_declarator): Likewise. - (gen_declspecs): Likewise. - -Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com) - - * haifa-sched.c (create_reg_dead_note): Detect and handle another - case where we kill more regs after sched than were killed before - sched. - * sched.c (create_reg_dead_note): Similarly. - -Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com) - - * c-pragma.c: Include flags.h. - -Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu> - - * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything - about system headers. - (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32 - and also to resolve symbols in prefix.c. - - * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict - between gansidecl.h and newlib's _ansi.h when building libgcc2.a, - when the definitions in auto-config.h is not visible. - (HAVE_BZERO): Likewise. - (HAVE_BCMP): Likewise. - (HAVE_RINDEX): Likewise. - (HAVE_INDEX): Likewise. - -Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com) - - * pa.c (emit_move_sequence): Handle a function label source - operand. - -Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com> - - * c-pragma.c (handle_pragma_token): Generate warning messages - about unknown pragmas if warn_unknown_pragmas is set. - - * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command - line option to set variable: warn_unknown_pragmas. - -Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de> - - * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the - definition. - (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'. - -Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com) - - * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define. - (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to - generate more fine grained floating point emulation libraries. - * config/fp-bit.c: Add protecting #ifdef to all functions so - that they can be compiled separately. If !FINE_GRAINED_LIBRARIES, - then compile all suitable functions. - (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two - underscores to avoid namespace pollution. - * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c. - (FPBIT): Define. - * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c. - (FPBIT): Define. - (DPBIT): Define. - -Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - Jeff Law <law@cygnus.com> - - * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning - of the declaration. - * c-decl.c (finish_decl): Use parentheses around && within ||. - * rtl.c: Include stdlib.h. - (read_skip_spaces): Add parentheses around assignments used as - truth values. - (read_rtx): Initialize list_rtx. - * cppexp.c (parse_number): Use || when operands are truth values. - * alias.c (find_base_value): Add default case. - (memrefs_conflict): Likewise. - * combine.c (sets_function_arg_p): Likewise. - * genemit.c (gen_exp): Likewise. - * local-alloc.c (contains_replace_regs): Likewise. - * rtlanal.c (jmp_uses_reg_or_mem): Likewise. - * fold-const.c (fold_convert): Use "&&" for truth values. - (fold): Add default case. - * sdbout.c (sdbout_field_types): Fix typo in declaration. - (sdbout_one_type): Add default case. - * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS. - (some_operand): Add default case. - (input_operand): Likewise. - (signed_comparison_operator): Likewise. - (divmod_operator): Likewise. - (alpha_set_memflags_1): Likewise. - * reload1.c (reload_cse_simplify_operands): Ensure function - always returns a value. - * scan-decls.c (scan_decls): Likewise. - * c-lex.c (skip_white_space): Fix typo in declaration. - * c-typeck.c (comp_target_types): Add parentheses around assignment - used as truth value. - (print_spelling): Likewise. - (constructor_implicit, constructor_result): Remove unused variables. - * collect2.c (scan_library): Protect prototype with - #ifdef SCAN_LIBRARIES. - * emit-rtl.c (find_line_note): Fix typo in declaration. - * final.c (asm_insn_count): Protect prototype with - #ifdef HAVE_ATTR_length. - * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC. - (try_pre_increment_1, try_pre_increment): Likewise. - * regclass.c (auto_inc_dec_reg_p): Protect prototype with - #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit. - * gcov-io.h (__store_long, __write_long, __read_long): Fix - unsigned/signed comparisons. - * gcov.c (read_files): Remove unused "first_type" variable. - (scan _for_source_files): Initialize s_ptr. - (function_summary): Eliminate "%lf" formatting, use %ld for - longs. - (output_data): Initialize branch_probs and last_line_num. - Eliminate "%lf" formatting, use "%ld" for longs. - -Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com> - - * mips16.S: New file. - - * libgcc2.c (varargs): Handle mips16. - - * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an - expression. - * stmt.c (expand_end_case): Likewise. - * alpha.h (CASE_VECTOR_PC_RELATIVE): Update. - * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise. - * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise. - -Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> - - * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in - the build directory. - (libobjc.a): Update dependency list. - (libobjc.dll): Likewise. Use libobjc_entry.o from the build - directory. - (objc/sendmsg.o): Add -Iobjc to find runtime-info.h. - (objc.mostlyclean): Remove runtime-info.h. - -Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com> - - * tree.c (build_range_type): Allow creation of ranges with no maximum. - * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE. - * dwarf2out.c (add_subscript_info): Likewise. - * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise. - * sdbout.c (plain_type_1): Likewise. - * stmt.c (pushcase_range, all_cases_count, node_has_high_bound): - Likewise. - * fold-const.c (int_const_binop, fold_convert, make_range, fold): - Likewise. - -Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * mips.c (fatal): Remove declaration. - -1997-12-18 Mark Mitchell <mmitchell@usa.net> - - * integrate.c (get_label_from_map): New function. - (expand_inline_function): Use it. Initialize the label_map to - NULL_RTX instead of gen_label_rtx. - (copy_rtx_and_substitute): Use get_label_from_map. - * integrate.h (get_label_from_map): New function. - (set_label_from_map): New macro. - * unroll.c (unroll_loop): Use them. - (copy_loop_body): Likewise. - -Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com> - - * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined. - (INIT_TARGET_OPTABS): Define. - * mips/ecoff.h: Include gofast.h before mips.h. - (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS. - * mips/elf64.h: Likewise. - * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define. - -Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com> - - * except.c: Remove register_exception_table{,_p}. - -Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com> - - * unroll.c (calculate_giv_inc): Handle constant increment found in - a MEM with an appropriate REG_EQUAL note. - - * calls.c (expand_call): Implement LOAD_ARGS_REVERSED. - - * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the - frame pointer in the prologue. - -Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com> - - * i386/x-sco5 (CLIB): Deleted. - (ALLOCA): Added. - * i386/xm-sco5.h (USE_C_ALLOCA): Added. - -Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com> - - * config/m68k/m68k.c (output_function_prologue): Typecast - dwarf2out_cfi_label to (char *). - * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "". - -Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com> - - * sparc.md (jump): Don't use the annul bit around an empty loop. - Patch from Kevin.Kelly@East.Sun.COM. - -Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com) - - * jump.c (jump_optimize): Don't use the return register as a - source1 of a conditional move. - -Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com> - - * sparc.c (DF_MODES): Or the mask not the bit number. - (function_arg) [ARCH64]: Send unprototyped arg to fp reg first. - -Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch> - - * combine.c (force_to_mode): Return immediately if operand is a - CLOBBER. - -Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de> - - * fixincludes (size_t): Add support for Motorola's stdlib.h - which fails to provide a definition for size_t. - (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3. - (strlen,strspn,strcspn return value): Handle different layout on sysV88. - (hypot): Provide a fake for hypot for m88k-motorola-sysv3. - - * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to - prevent unresolved externals in libio. - * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise. - -Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org) - - * config/sparc/linux64.h (LIBGCC_SPEC): Removed. - (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}. - (LIB_SPEC): Updated for glibc 2. - -Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com) - - * ginclude/stdarg.h: Undo BeOS changes, they break hpux. - * ginclude/varargs.h: Likewise. - -Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org) - - * frame.h (__register_frame, __register_frame_table, - __deregister_frame): New. - * frame.c (__register_frame, __register_frame_table, - __deregister_frame): New. - * frame.c (__deregister_frame_info): Return void *. - * frame.h (__deregister_frame_info): Likewise. - * collect2.c (__deregister_frame_info): Likewise. - -Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com> - - * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG. - -Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com> - - * alpha.c (alpha_cpu_name): New variable. - (alpha_mlat_string): Likewise. - (alpha_memory_latency): Likewise. - (override_options): Handle -mmemory-latency. - (alpha_adjust_cost): Adjust load cost for latency. - * alpha.h (TARGET_OPTIONS): Add memory-latency. - (REGISTER_MOVE_COST): Define in terms of memory_latency. Take - TARGET_CIX into account. - (MEMORY_MOVE_COST): Define in terms of memory_latency. - * invoke.texi (DEC Alpha Options): Document -mmemory-latency. - - * alpha.h (ASM_COMMENT_START): New macro. - -Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com> - - * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c, - dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change. - - * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the - SUBREG_REG if the word count is unchanged. - * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve - subregs of identical word size for push_reload. - -Mon Dec 15 11:41:32 1997 Mark Mitchell <mmitchell@usa.net> - - * toplev.c (rest_of_compilation): Don't call save_for_inline_copy - if all we're doing is dealing with -Wreturn-type. - -Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com> - - * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2): - Use and 255 instead of zapnot 1, since it schedules better. - -Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com) - - * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat - it as volatile. - -Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com) - - * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on - dependency we delete. Properly update prev for multiple consecutive - deletions. - (priority): Skip deleted dependence. - -Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com> - - * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod. - -Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com> - - * flow.c (flow_analysis): Be consistent with find_basic_blocks in - determining when a new basic block starts. - - * alpha/osf2or3.h (LIB_SPEC): Restore missing defn. - - * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS. - * pa.md (iorsi3): Add missing args to *_operand calls. - - * except.c (call_get_eh_context): Don't mess with sequences. - (emit_eh_context): Include the call in the sequence here. - -1997-12-11 Paul Eggert <eggert@twinsun.com> - - * collect2.c (write_c_file_glob): Allocate initial frame object - in static storage and pass its address. - -Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com> - - * except.c (call_get_eh_context): Don't take a parm. - Put the call at the top of the function. - (emit_eh_context): Adjust. - (get_eh_context): Replace with former use_eh_context. - (get_eh_context_once, get_saved_pc_ref): Remove. - (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove. - * except.h: Adjust. - * integrate.c (expand_inline_function): Adjust. - * toplev.c (rest_of_compilation): Don't call emit_unwinder. - -Fri Oct 10 17:58:31 1997 Marc Lehmann <pcg@goof.com> - - * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define. - (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise. - -Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de> - - * fixincludes (strlen,strspn,strcspn return value): Handle different - layout on sysV88. - (hypot): Provide a fake for hypot which is broken on - m88k-motorola-sysv3. - -Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu> - - * tree.c, tree.h: Change tree_code_type, tree_code_length, and - tree_code_name from pointers to arrays. - * tree.c: Remove standard_tree_code_* variables, no longer used. - * print-tree.c: Remove declaration of tree_code_name. - - * cp/lex.c (init_lex): Update for tree_code_* changes. - * objc/objc-act.c (init_objc): Likewise. - - * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code - changes. - -Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com> - - * config.sub: Add support for BeOS target. - * configure.in: Likewise. - * ginclude/stdarg.h: Likewise. - * ginclude/stddef.h: Likewise. - * ginclude/varargs.h: Likewise. - * rs6000/beos.h: New file for BeOS. - * rs6000/t-beos: Likewise. - * rs6000/x-beos: Likewise. - * rs6000/xm-beos.h: Likewise. - * toplev.c (get_run_time): Just return 0 on BeOS. - -Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com) - Toon Moene (toon@moene.indiv.nluug.nl) - - * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly - old and broken Sun3 assemblers. Newer versions handle large - offsets correctly as does the GNU assembler. - -Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu) - - * objc/objc-act.c (lang_report_error_function): Disable. - * objc/objc-parse.y: Include "output.h". - (yyerror): Remove redundant decl. - (yyprint): Fix prototype. - (apply_args_register_offset): Remove redundant decl. - (get_file_function_name): Likewise. - -Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com> - - * flow.c (find_basic_blocks): A CALL_INSN that can throw starts - a new basic block. - (find_basic_blocks_1): Likewise. - -Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com> - - * except.c (use_eh_context): Don't copy_rtx a REG. - (emit_throw): Lose old unwinder support. - (expand_internal_throw): Likewise. - * libgcc2.c (struct eh_context): Likewise. - (new_eh_context): Likewise. - (__get_eh_info): Lose redundant cast. - (__get_dynamic_handler_chain): Likewise. - (__get_saved_pc): Lose. - Lose all old unwinder support code. - -Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com> - - Thread-safe EH support for pthreads, DCE threads and Solaris threads. - - * integrate.c (expand_inline_function): If the inline fn uses eh - context, make sure that the current fn has one. - * toplev.c (rest_of_compilation): Call emit_eh_context. - * except.c (use_eh_context): New fn. - (get_eh_context_once): New fn. - (call_get_eh_context): New fn. - (emit_eh_context): New fn. - (get_eh_context): Call either get_eh_context_once or - call_get_eh_context, depending on what we have. - (get_dynamic_handler_chain): Call get_eh_context_once. - * except.h: Prototypes for fns above. - * optabs.c (get_eh_context_libfunc): Removed. - (init_optabs): Don't initialize it. - * expr.h (get_eh_context_libfunc): Removed. - * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT. - * config/pa/pa.h (CPP_SPEC): Support for -threads. - * config/pa/pa-hpux10.h (LIB_SPEC): Likewise. - * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): - New multilib for -threads. - * config/sparc/t-sol2: Added multilibs for -threads and - made -pthreads alias to it. - * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC): - Added -threads and -pthreads options. - * libgcc-thr.h: New file. - * libgcc2.c (__get_cpp_eh_context): Removed. - (struct cpp_eh_context): Removed. - (struct eh_context): Replaced cpp_eh_context with generic language - specific pointer. - (__get_eh_info): New function. - (__throw): Check eh_context::info. - (__sjthrow): Likewise. - * libgcc2.c: Include libgcc-thr.h. - (new_eh_context, __get_eh_context, - eh_pthread_initialize, eh_context_initialize, eh_context_static, - eh_context_specific, eh_context_free): New functions. - (get_eh_context, eh_context_key): New variables. - (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use - get_eh_context to get the context. - (longjmp): Move the declaration inside - #ifdef DONT_USE_BUILTIN_SETJMP. - * frame.c: Include libgcc-thr.h. - (object_mutex): Mutex to protect the object list. - (find_fde, __register_frame, __register_frame_table, - __deregister_frame): Hold the lock while accessing objects. - * except.h (get_eh_context): Declare. - * except.c (current_function_ehc): Define. - (current_function_dhc, current_function_dcc): Removed. - (get_eh_context): New function. - (get_dynamic_handler_chain): Use get_eh_context. - (get_saved_pc_ref): Likewise. - (get_dynamic_cleanup_chain): Removed references to - current_function_dcc. - (save_eh_status, restore_eh_status): Save and restore - current_function_ehc instead. - * optabs.c (get_eh_context_libfunc): New variable. - (init_optabs): Initialize it. - * expr.h: Declare get_eh_context_libfunc. - * function.h (struct function): Replaced dhc and dcc with ehc. - * except.c (get_saved_pc_ref): New functions. - (eh_saved_pc_rtx, eh_saved_pc): Deleted. - (expand_internal_throw_indirect): Use get_saved_pc_ref() instead - of eh_saved_pc. - (end_eh_unwinder): Likewise. - (init_eh): Remove initialization of eh_saved_pc. - * optabs.c (get_saved_pc_libfunc): New variable. - (init_optabs): Initialize it. - * expr.h: Declare get_saved_pc_libfunc. - * except.h (eh_saved_pc_rtx): Deleted. - (get_saved_pc_ref): Declared. - - From Scott Snyder <snyder@d0sgif.fnal.gov>: - * libgcc2.c (__get_saved_pc): New. - (__eh_type, __eh_pc): Deleted. - (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc. - (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside - this fcn. - -Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu> - - * sparc/sol2.h: Use 64 bit multiply and divide functions in - Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE - as 0. - - * rtl.h (global_rtl): New variable, replacing separate variables for - commonly used rtl. - (const_int_rtx): Now array of rtx_def, not rtx. - * emit-rtl.c: Update for new rtl data structures. - * genattrtab.c: Define global_rtl. - -Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu> - - * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by - default. - -Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com> - - * crtstuff.c (__do_global_ctors): Fix typo. - -Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de> - - * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition - to RLIMIT_STACK to see if we can call getrlimit and setrlimit. - -Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu> - - * rs6000.h (FUNCTION_ARG_PADDING): Define. - * rs6000.c (function_arg_padding): New function. - -Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de> - - * m68k.c: Include tree.h only once. - -Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> - - * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc. - -Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com) - - * Partially cleaned up prototyping code from HJ. - * tree.h: Add many prototypes. - * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn. - All references changed. - * rtl.h: Protect from multiple inclusions. Add many prototypes. - -Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com> - - * libgcc2.c (string.h): Hoist inclusion to occur before first use of - string functions like strlen. - -Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de> - - * configure.in: Check for functions getrlimit and setrlimit. - * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition - to RLIMIT_STACK to see if we can call getrlimit and setrlimit. - -Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu> - - * Makefile.in (compare*): Handle losing behavior from 4.4bsd make. - -Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com> - - * alpha.c (REG_RA, alpha_return_addr, output_epilog): - Fix merge problems. - - * alpha.c (override_options): Don't know about scheduling for EV6. - * alpha.md (ev5 function units): Don't overload as ev6. - - * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case. - * alpha.md (define_attr type): Add mvi. - (ev5_e0): Define sceduling parameters for it. - (TARGET_MAX insns): Type is mvi not shift. - -Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com> - - * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug. - -Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk> - - * cstamp-h, auto-config.h: Delete. - -Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com) - - * cccp.c: Fix typo brought over in merge. - - * Merge in changes from gcc-2.8. - -Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be> - - * m68k.c: Include tree.h for dwarf2out_cfi_label. - - * gcc.c (process_command): Do not take address of function fatal when - calling lang_specific_driver. - -Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu> - - * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling - doesn't work with it yet, so set it to 0. - * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define. - -Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch> - - * cse.c (cse_insn): Check for invalid entries when taking references. - -Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk> - - * loop.c (invariant_p): Don't test flag_rerun_loop_opt. - (loop_optimize, scan_loop, strength_reduce): New argument unroll_p. - * toplev.c (rest_of_compilation): Pass it. Remove code to - save / clear / restore flag_unroll_{,all_}loops. - -Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE> - - * i386.c (notice_update_cc): Remove bogus pentium GCC code. - -Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com) - - * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR. - -Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com> - - * except.c (get_dynamic_handler_chain): Only make the call once per - function. - - * except.c (expand_end_all_catch): Fix for sjlj exceptions. - -Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk> - - * sh.c (final_prescan_insn): Use local label prefix - when emitting .uses pseudo-ops. - -Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com> - - * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc. - * except.c: Lose outer_context_label_stack. - (expand_eh_region_end): Rethrow from outer_context here. - (expand_fixup_region_end): Let expand_eh_region_end do the rethrow. - (expand_internal_throw): Take no args. - (expand_internal_throw_indirect): Lose. - (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow. - (expand_start_all_catch): Start a rethrow region. - (expand_end_all_catch): End it. - (expand_rethrow): New fn. - * except.h: Reflect above changes. - * flow.c: Revert change of Nov 27. - -Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com) - - * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer. - -Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com> - - * except.c (expand_fixup_region_end): New fn. - (expand_fixup_region_start): Likewise. - (expand_eh_region_start_tree): Store cleanup into finalization here. - * stmt.c (expand_cleanups): Use them to protect fixups. - -Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com> - - * mips/mips.md (muldi3_r4000): Broaden the output template - and attribute assignments to handle three operand dmult; - rename to muldi3_internal2. - (muldi3): Call the new muldi3_internal2 for R4000, and - any GENERATE_MULT3 chip. - -Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com> - - * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start. - -Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com> - - * unroll.c (find_splittable_givs): Remove last change. Handle givs - with a dest_reg that was created by loop. - -Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu> - - * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch. - - * rs6000/aix41.h (ASM_CPU_SPEC): Define. - -Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com) - - * configure.in: Fix NCR entries. - -Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com) - - * flow.c (find_basic_blocks): Handle cfg issues for rethrows and - nested exceptions correctly. - - * unroll.c (find_splittable_givs): Don't split givs with a dest_reg - that was created by loop. - -Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com> - - * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR. - - * except.c (expand_start_all_catch): One more do_pending_stack_adjust. - -Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com> - - * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs. - (print_operand): Use SMALL_DATA_REG for the register involved in - small data relocations. - (print_operand_address): Likewise. - - * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if - -dynamic linker is not used. - - * rs6000.md (call insns): For local calls, use @local suffix under - System V. Don't use @plt under Solaris. - - * rs6000.c (output_function_profiler): Put label address in r0, and - store LR in 4(sp) for System V/eabi. - - * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16 - byte boundary, and maintain stack backchain. - -Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com> - - * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2, - fix_truncsfdi2): Change *. - -Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com> - - * toplev.c (main): Complain about -gdwarfn. - -Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com> - - * dwarfout.c (output_type): If finalizing, write out nested types - of types we've already written. - -Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com> - - (patches originally from Geoffrey Keating) - * rs6000.c (function_arg): Excess floating point arguments don't - go into GPR registers after exhausting FP registers under the - System V.4 ABI. - (function_arg_partial_nregs): Likewise. - - * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt - suffix to calls. - -Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com> - - * integrate.c (output_inline_function): Just unset DECL_INLINE. - -Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov> - - * dwarf2out.c (outout_call_frame_info): Ensure that the info has - proper alignment. - - * libgcc2.c (__throw): Initialize HANDLER. - -Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com> - - * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2, - fix_truncsfdi2): Change *X to ?*X. - -Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com) - - * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling. - -Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com) - - * crtstuff.c (do_global_dtors_aux): Handle multiple calls better. - -Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr> - - * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement. - -Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com> - - * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL. - * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc. - * expr.h: Likewise. - -Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com) - - * pa-hpux10.h (NEW_HP_ASSEMBLER): Define. - * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using - gas and not using the new HP assembler. - -Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com) - - * Makefile.in (program_transform_cross_name): Clean up "-e" confusion. - (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise. - -Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for - TARGET_ENDIAN_DEFAULT == zero instead of testing for macro - definition. - -Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de> - - * stmt.c (expand_end_bindings): Allow jump into block with cleanups. - -Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com> - - * except.h: Add outer_context_label_stack. - * except.c: Likewise. - (expand_start_all_catch): Push the outer_context for the try block - onto outer_context_label_stack. - (expand_end_all_catch): Use it and pop it. - -Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com) - - * i386/sco5.h (HAVE_ATEXIT): Revert last change. - -Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com> - - * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better. - -Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de> - - * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label - to correspond with the change to ASM_GENERATE_INTERNAL_LABEL. - -Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com> - - * Makefile.in (LIB2FUNCS): Remove C++ memory management support. - * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler, - __builtin_delete, and __builtin_vec_delete. - - * except.c (output_exception_table): Don't bother with - __EXCEPTION_END__. - -Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com) - - * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register - is an in/out operand. - (zero extended variants of stwm/stwm patterns): Similarly. - - * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE. - -Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com> - - * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4. - Use assemble_name. - (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name. - (output_call_frame_info): Emit a \n after using it. - -Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk> - - * configure.in: Add AC_ARG_ENABLE for Haifa as documentation. - -Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be> - - * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros. - (ASM_OUTPUT_DWARF_VALUE4): New macro. - (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is - defined. - (output_call_frame_info): Do not output forward label differences - if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined. - * m68k/mot3300.h (SET_ASM_OP): Define when not using gas. - -Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk> - - * sh.md (attribute "type"): Add nil. - (movsi_ie): y/y alternative is type nil. - (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X - alternatives. - (movsf_ie+1): Delete. - -Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com> - - * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are - large_int, emit two insns instead of one splitable insn. - * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset - from cfa_temp_value, use cfa_offset. Add assert checking that - cfa_reg is SP. - -Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com> - - * cccp.c (deps_output): Properly quote file names for make. - -Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com) - - * t-h8300 (MULTILIB_EXCEPTIONS): Define. - -Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com) - - * i386/sco5.h (HAVE_ATEXIT): Delete definition. - -Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com) - - * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditional - return. - (cse_end_of_basic_block): Similarly. - -Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com> - - * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define. - (SELECT_RTX_SECTION): Define. - (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC. - -Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de> - - * Makefile.in (compare, compare-lean): Define $stage for each - shell command. - (gnucompare, gnucompare-lean): Likewise. - -Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com) - - * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets. - - * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label - to correspond with the change to ASM_GENERATE_INTERNAL_LABEL. - -Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com) - - * dwarfout.c (byte_size_attribute): Add local var upper_bound - and add case to handle STRING_TYPE. - * dwarfout.c (output_string_type_die): Fix code to generate - correct string length attribute for fixed length strings. - Still needs support for varying length strings. - -Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com) - - * toplev.c (get_run_time): Do something sensible for cygwin32. - -Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com> - - * expr.c (expand_builtin_setjmp): Set - current_function_has_nonlocal_label. - * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill - call-saved registers across calls. - - * alpha.md (exception_receiver): Remove. - (nonlocal_goto_receiver_osf): New. - (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver. - (nonlocal_goto_receiver): New, select _osf or _vms. - - * alpha.c (output_prolog [*]): Prefix entry labels with '$' to - keep them from being propagated to the object file. - (alpha_write_linkage): Likewise. - * alpha.md (call_vms): Likewise. - (call_value_vms): Likewise. - (unnamed osf call insns): Likewise. - - * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label. - (ASM_GENERATE_INTERNAL_LABEL): Likewise. - - * alpha.c (call_operand): Any reg is valid for WinNT. - * alpha.md (call_nt, call_value_nt): Don't force address into $27. - (anon nt calls): Add 'R' alternative. - * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE, - INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs. - -Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com) - - * calls.c (expand_call): Handle pcc_struct_value correctly for C++. - - * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines. - * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise. - * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise. - -Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com> - - * reload1.c (new_spill_reg): Improve fixed or forbidden register - spill error message. - -Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> - - * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise, - use varargs.h. Wrap header with <>, not "". - -Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com) - - * integrate.c (save_for_inline_copying): Add return value from - savealloc. - -Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com> - - * fixincludes: Be a little more restrictive on what we will - substitute to replace definitions of MAXINT for HPUX. - -Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com> - - * dbxout.c (dbxout_symbol_location): Don't assume that variables - whose address is the stack or argument pointers are indirect - pointers. - -1997-11-13 Paul Eggert <eggert@twinsun.com> - - * cccp.c, cpplib.c (compare_defs): - Don't complain about arg name respellings unless pedantic. - * cpplib.c (compare_defs): Accept pfile as new arg. - All callers changed. - -Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk> - - * fold-const.c (fold_truthop): Fix bug in last change. - -1997-11-13 Paul Eggert <eggert@twinsun.com> - - Fix some confusion with IEEE minus zero. - - * real.h (REAL_VALUES_IDENTICAL): New macro. - - * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros. - * fold-const.c (operand_equal_p): Don't consider -0.0 to be - identical to 0.0. - * tree.c (simple_cst_equal): Don't consider -0.0 to have the - same tree structure as 0.0. - - * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL - macro instead of doing it by hand. - -Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com) - - * v850/lib1funcs.asm: Minor whitespace changes. - * v850.c: Fix minor formatting problems in many places. - (construct_restore_jr, construct_save_jarl): Remove unwanted aborts. - -Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com> - - * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and - xplus1 when xplus0 is not a register. - -Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com) - - * flow.c (find_basic_blocks): During marking phase, if we encounter - an insn with a REG_LABEL note, make the target block live and - create an edge from the insn to the target block. Do not make - edges from all blocks to the target block. - - * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers. - - * confiugre.in: Tweak NCR entries. - * configure: Rebuilt. - -Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com> - - * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to - pick apart floating point values, instead of using CONST_DOUBLE_LOW - and CONST_DOUBLE_HIGH. - - * rs6000.md (define_splits for DF constants): Use the appropriate - REAL_VALUE_* interface to pick apart DF floating point constants in - a machine independent fashion. - -Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk> - - * fold-const.c (fold_truthop): When changing a one-bit comparison - against zero into a comparison against mask, do a proper sign - extension. - -Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com) - - * except.c: Do not include "assert.h". - (save_eh_status): Turn asserts into conditional aborts. - (restore_eh_status, scan_region): Likewise. - * dwarfout.c: Do not include "assert.h". - (bit_offset_attribute): Turn asserts into conditional aborts. - (bit_size_attribute, output_inlined_enumeration_type_die): Likewise. - (output_inlined_structure_type_die): Likewise. - (output_inlined_union_type_die): Likewise. - (output_tagged_type_instantiation): Likewise. - (dwarfout_file_scope_decl): Likewise. - * dwarf2out.c: Do not include "assert.h" - (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts. - (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise. - (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise. - (add_bit_size_attribute, scope_die_for): Likewise. - (output_pending_types_for_scope): Likewise. - (get_inlined_enumeration_type_die): Likewise. - (get_inlined_structure_type_die): Likewise. - (get_inlined_union_type_die, gen_subprogram_die): Likewise. - (gen_tagged_type_instantiation_die): Likewise. - - * flow.c (find_basic_blocks): Refine further to get a more correct - cfg, especially in the presense of exception handling, computed - gotos, and other non-trivial cases. Call abort if an inaccuracy - is detected in the cfg. - -Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk> - - * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts. - - * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions. - (skip_white_space): Use whitespace_cr. - (check_newline): Handle whitespace more consistently. - -Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com> - - * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX. - * i386/xm-cygwin32.h (POSIX): Define. - -Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com> - - * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit - is available elsewhere. - -Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com> - - * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match - what the instruction can handle. - -Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com> - - * stmt.c (expand_decl_cleanup_no_eh): New fn. - - * except.c (expand_leftover_cleanups): do_pending_stack_adjust. - -Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com) - - * alias.c (MAX_ALIAS_LOOP_PASSES): Define. - (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES. - -Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu> - - * rs6000.md (lshrdi3_power): Delete '&' from first alternative and - swap instruction order. - -Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com) - - * fixinc.svr4 (__STDC__): Add another case. - -Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk> - - * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying - addresses in the epilogue delay slot. - -Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de) - - * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace - in generated `specs' file. - -Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com) - - * flags.h (flag_rerun_loop_opt): Declare. - * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt. - * toplev.c (flag_rerum_loop_opt): Delete static. - -Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk> - - Bring over from FSF: - - Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk> - - * va-sh.h (__va_arg_sh1): Define. - (va_arg): Use it. - SH3E doesn't use any integer registers for subsequent arguments - once a non-float value was passed in the stack. - * sh.c (machine_dependent_reorg): If optimizing, put explicit - alignment in front label for ADDR_DIFF_VEC. - * sh.h (PASS_IN_REG_P): Fix SH3E case. - (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length. - - Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk> - - * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including - svr4.h. - - Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk> - - * sh.c (machine_dependent_reorg): When -flag_delayed_branches, - put an use_sfunc_addr before each sfunc. - * sh.md (use_sfunc_addr, dummy_jump): New insns. - (casesi): For TARGET_SH2, emit a dummy_jump after LAB. - - Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk> - - * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine. - -Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com> - - * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for - linked once FDEs. - -Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com) - - * alias.c (find_base_value): Only return the known base value for - pseudo registers. - -Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com> - - * i386.c (load_pic_register): Call prologue_get_pc_and_set_got. - * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE - to pattern. - (prologue_get_pc_and_set_got): New pattern. - -Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com) - - * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse - for SUBREG, just fall through. - - * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero. - - * alpha.md (attr trap): Make TRAP_YES nonzero for sanity's sake. - -Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com) - - * fixincludes: Fix "hypot" prototype in NeXT math.h. - - * Makefile.in (USE_ALLOCA): Always include alloca.o. - (USE_HOST_ALLOCA): Likewise. - - * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES - and LABEL_REFS fields. - * rtl.h (LABEL_REFS): Update. - -Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com> - - * combine.c (try_combine): When setting elim_i2, check whether newi2pat - sets i2dest. When calling distribute_notes for i3dest_killed, pass - elim_i2 and elim_i1. When setting elim_i1, check if newi2pat - sets i1dest. - - * mips.md (insv, extzv, extv): Add change_address call. - (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern. - - * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc. - - * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants. - - * mips.c (mips_expand_epilogue): Emit blockage insn before call to - save_restore_insns if no FP and GP will be restored. - - * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode. - Convert CCmode to word_mode before calling GET_MODE_SIZE. - - * acconfig.h (HAVE_INTTYPES_H): Undef. - * configure.in (inttypes.h): Check for conflicts between sys/types.h - and inttypes.h, and verify that intmax_t is defined. - * config/mips/x-iris (CC, OPT, OLDCC): Comment out. - * config/mips/x-iris3: Likewise. - -Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com) - - * alias.c (find_base_value): When copying arguments, return the - tentative value for a hard register. - -Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com> - - * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling. - (yylex): Record wide strings using target endianness, not host. - -Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com) - - * mn10200.h (ASM_OUTPUT_BSS): Delete. - (ASM_OUTPUT_ALIGNED_BSS): New macro. - * mn10300.h (ASM_OUTPUT_BSS): Delete. - (ASM_OUTPUT_ALIGNED_BSS): New macro. - * v850.h (ASM_OUTPUT_BSS): Delete. - (ASM_OUTPUT_ALIGNED_BSS): New macro. - -Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk> - - * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP. - -Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com) - - * configure.in (sco5): Use cpio to install header files. - -Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de> - - * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to - 14 char length. - * configure: Rebuild. - -Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com) - - * i386/sco5.h: Enable -gstabs once again. - -Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com) - - * arm.c (output_move_double): Allocate 3 entries in otherops array. - -Sat Nov 1 21:43:00 1997 Mike Stump <mrs@wrs.com> - - * except.c (expand_eh_region_start_for_decl): Emit EH_REGION_BEG - notes for sjlj exceptions too. - (expand_eh_region_end): Similarly for EH_REGION_END notes. - (exception_optimize): Optimize EH regions for sjlj exceptions too. - * final.c (final_scan_insn): Don't output labels for EH REGION - notes if doing sjlj exceptions. - -Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com) - - * alias.c (init_alias_analysis): Handle -fno-alias-check when - optimizing correctly. - - * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note - or set current_function_calls_setjmp anymore. - - * flow.c (find_basic_blocks): If we delete the label for an - exception handler, remove it from the EH label list and remove - the EH_BEGIN/EH_END notes for that EH region. - -Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com) - - * flow.c (find_basic_blocks): Generate correct flow control - information when exception handling notes are present. - -Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com) - - * dwarf2out.c (output_call_frame_info): Fix length argument - to ASM_OUTPUT_ASCII. - (output_die, output_pubnames, output_line_info): Likewise. - -Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com) - - * version.c: Bump for snapshot. - - * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to - output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if - flag_debug_asm is on. - (output_die, output_pubnames, output_line_info): Likewise. - - * alias.c (init_alias_analysis): Add struct_value_incoming_rtx - and static_chain_rtx into the potential base values array if - they are registers. - - * alias.c (new_reg_base_value): New array of potential base values. - (unique_id): Now file scoped static. - (find_base_value, case REG): Return the value in reg_base_value - array for the REG if it exists. Else, return the value from - new_reg_base_value if copying args and REG is a hard register. - (find_base_value, case PLUS): If either operand of the PLUS is - a REG, try to get its base value. Handle base + index and - index + base. - (record_set): Use new_reg_base_value instead of reg_base_value. - (init_alias_analysis): Allocate space for new_reg_base_value too. - Rework code to iterate over the insns propagating base value - information until nothing changes. - - * global.c (global_alloc): Free the conflict matrix after - reload has finished. - -Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com> - - * libgcc2.c (L_eh): Define __eh_pc. - Replace __eh_type with generic pointer __eh_info. - -Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk> - - * expr.c (expand_increment): When enqueing a postincrement for a MEM, - use copy_to_reg if address is not a general_operand. - -Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk> - - * profile.c (output_func_start_profiler): Clear flag_inline_functions - for the duration of the call to rest_of_compilation. - -Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com> - - * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf. - Set extra_parts. - (sparc*-*-*): Recognize --with-cpu=v9. - * sparc/elf.h: New file. - * sparc/t-elf: New file. - -Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com) - - * mn10300.c (const_8bit_operand): New function. - (mask_ok_for_mem_btst): New function. - * mn10300.md (btst patterns with mem operands): Use new functions - to avoid creating btst instructions with invalid operands. - -Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com> - - * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we - are running on PowerPC Linux. - -Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com> - - * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define - if not previously defined. - -Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com) - - * function.c (assign_parms): Correct mode of stack_parm if - entry_parm underwent a mode conversion. - -1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com> - - * global.c (global_alloc): Use xmalloc instead of alloca for - CONFLICTS, since max_allocno * allocno_row_words alone can be more - than 2.5Mb sometimes. - -Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com> - - * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of - DEST for the spill, adjust mode of SRC to compensate. - -Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com> - - * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p, - since any_memory_operand() allows pseudos during reload. - (reload_inhi, reload_outqi, reload_outhi): Likewise. - -Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com> - - * m68k.md (btst patterns): Add 5200 support. - -Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl> - - * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3) - optimizations, look inside dividend to determine if the expression - can be simplified by using EXACT_DIV_EXPR. - -Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com> - - From Brendan: - * dwarf2out.c (output_call_frame_info): Use l1 instead of ".". - -Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com> - - * alpha.c (summarize_insn [SUBREG]): Propagate SET. - -Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com> - - * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap - on a CLOBBER. - -Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com> - - * alpha.md (movqi, movhi): Make sure new insns created during reload - won't need reloading themselves. - (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise. - -Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com) - - * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg. - -Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com> - - * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask. - Patch from Klaus Kaempf <kkaempf@progis.de>. - -Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com) - - * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference - to an element in a constant string. - -Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com> - - * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32 - bit PC-relative offset. The exception range table pointer is now in - the CIE. - * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta. - (count_fdes, add_fdes, get_cie): Adjust. - (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses. - - From H.J. Lu: - * frame.c (count_fdes, add_fdes): Skip linked once FDE entries. - -Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com> - - * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just - like stack_pointer_rtx. - -Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de> - - * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap - targets using "$@" to provide support for similar but not identical - targets without having to duplicate code. - (bootstrap4): New goal. - - * Makefile.in (compare, compare-lean, compare3): Combined to one - ruleset determining actions to be performed via $@. - (compare4, compare4-lean): New targets. - (gnucompare, gnucompare3): Combined to one ruleset determining - actions to be performed via $@. Also, note which files failed - the comparison test in .bad_compare. - (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets. - -Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl> - - * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR - if the dividend is a multiple of the divisor. - -Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com) - - * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions. - - * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC, - and POS_DEC. - - * alias.c (true_dependence): Fix typo. - - * toplev.c (flag_rerun_loop_opt): New variable. - (f_options): Handle -frerun-loop-opt. - (rest_of_compilation): If -frerun-loop-opt, then run the loop - optimizer twice. - (main): Enable -frerun-loop-opt by default for -O2 or greater. - - * loop.c (simplify_giv_expr): Adding two invariants results - in an invariant. - -Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com> - - * expr.c (get_inner_reference): Remove the array bias after - converting the index to Pmode. - -Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com) - - * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug. - (TARGET_MULT_BUG): Define. - (TARGET_DEFAULT): Default to TARGET_MULT_BUG. - * mn10300.md (mulsi3): Handle TARGET_MULT_BUG. - -Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com) - - * mn10200.c (indirect_memory_operand): Delete unused function. - * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'. - * mn10200.md (bset, bclr insns): Handle output in a reg too. - -Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com> - - * alpha.md (call patterns): Revert Oct 16 change; if we are to elide - the callee's ldgp, we must do it ourselves, and we use the jsr tag - for more than scheduling. - -Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com> - - * sparc/sparc.h (ASM_SPEC): Delete asm_arch. - -Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com) - - * mn10300.c (symbolic_operand, legitimize_address): New functions. - * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address. - (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic. - -Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk> - - * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string - for FILENAME. - -Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com) - - * toplev.c (flag_exceptions): Default value is 2. - (compile_file): If flag_exceptions still has the value 2, then - set it to 0. - - * rs6000.c (struct machine_function): Add pic_offset_table_rtx. - (rs6000_save_machine_status): Save pic_offset_table_rtx. - (rs6000_restore_machine_status: Restore pic_offset_table_rtx. - - * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions - are shared. - - * rs6000.md (*movsi_got_internal_mem): New pattern. - (*movsi_got_internal_mem splitter): New define_split. - -Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com> - - * obstack.h (obstack_empty_p): Fix spurious space after backslash. - -Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au> - - * rs6000.c: Avoid creating a stack frame under SYSV ABI if we - only need to save LR. - -Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com) - - * mn10300.md (movqi, movhi): Avoid using address registers as - destinations unless absolutely necessary. - - * mn10200.c (expand_prologue): Fix typo. - - * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed - addresses. - * mn10200.md (neghi2): Provide an alternative which works if - the input and output register are the same. - - * mn10300.c (print_operand): Handle 'S'. - * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for - shift amount in last alternative. - - * mn10300.c (expand_epilogue): Rework to handle register restores - in "ret" and "retf" instructions correctly. - -Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com> - - * expmed.c (extract_bit_field): Don't make flag_force_mem disable - extzv for memory operands. - - * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse - redundant conditional moves to single operand. - -Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com> - - * v850.h: Move define of __v850__ from CPP_PREDEFINES - to CPP_SPEC. - - * xm-v850.h: Use __v850 rather than __v850__ to - identify v850 port. - -Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com> - - * mips/mips.c (compute_frame_size): Not a leaf function if - profile_flag set. - -Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au> - - * rs6000/t-ppccomm: Use -msdata=none for crtstuff. - -Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com> - - * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete. - (DEFAULT_ARCH32_P): New macro. - (TARGET_ARCH{32,64}): Allow compile time or runtime selection. - (enum cmodel): Declare. - (sparc_cmodel_string,sparc_cmodel): Declare. - (SPARC_DEFAULT_CMODEL): Provide default. - (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}. - (TARGET_FULLANY): Deleted. - (TARGET_CM_MEDMID): New macro. - (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC. - (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC. - (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch). - (CPP_SPEC): Rewrite. - (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros. - (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros. - (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros. - (ASM_SPEC): Add %(asm_arch). - (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default. - Rename asm_default to asm_cpu_default. - Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian, - cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch. - (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH. - ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values. - (MASK_INT64,MASK_LONG64): Delete. - (MASK_ARCH64): Renamed to MASK_64BIT. - (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete. - (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG. - (TARGET_SWITCHES): Always provide 64 bit options. - (ARCH64_SWITCHES): Delete. - (TARGET_OPTIONS): New option -mcmodel=. - (INT_TYPE_SIZE): Always 32. - (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH. - (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_.... - (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support. - (PRINT_OPERAND_PUNCT_VALID_P): Add '_'. - * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by - CPP_SPEC. - (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC. - * sparc/linux.h: Likewise. - * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete. - (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC. - (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT. - (SPARC_DEFAULT_CMODEL): Define. - (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC. - (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC. - (LONG_DOUBLE_TYPE_SIZE): Define. - (ASM_SPEC): Add %(asm_arch). - * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC. - (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC. - (TARGET_CPU_DEFAULT): Add ultrasparc case. - * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete. - (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. - (SPARC_DEFAULT_CMODEL): Define. - * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete. - (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete - MASK_LONG64, MASK_MEDANY. - (SPARC_DEFAULT_CMODEL): Define. - (CPP_PREDEFINES): Delete. - (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC. - (ASM_SPEC): Add %(asm_arch). - (LONG_DOUBLE_TYPE_SIZE): Define. - (DWARF2_DEBUGGING_INFO): Define. - * sparc/splet.h (CPP_SPEC): Delete. - * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC. - (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support. - (BLOCK_PROFILER): Likewise. - * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals. - (sparc_override_options): Handle code model selection. - (sparc_init_expanders): Renamed from sparc64_init_expanders. - * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_.... - TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY. - (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_.... - (sethi_di_fullany): Delete. - -Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de> - Jeff Law <law@cygnus.com> - Richard Kenner <kenner@vlsi1.ultra.nyu.edu> - - * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case. - (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise. - (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise. - (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise. - * alpha/alpha.md (arg_home): Likewise. - - * alpha/alpha.c (vmskrunch): Delete. - * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete. - * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't - truncate to 64 characters. - - * make-l2.com: Support openVMS/Alpha. - - * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX. - -Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk> - - * longlong.h (count_leading_zeros): Add missing casts to USItype. - -Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com) - - * i386/bsd386.h (ASM_COMMENT_START): Define. - -Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com> - - * tree.c (restore_tree_status): Also free up temporary storage - when we finish a toplevel function. - (dump_tree_statistics): Print stats for backend obstacks. - -Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com> - - * expr.c (use_group_regs): Don't call use_reg for MEMs. - -Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com> - - * libgcc2.c (__throw): Don't copy the return address. - * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address. - - * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized). - * toplev.c (main): Initialize exceptions_via_longjmp. - - * tree.c: Add extra_inline_obstacks. - (save_tree_status): Use it. - (restore_tree_status): If this is a toplevel inline obstack and we - didn't want to save anything on it, recycle it. - (print_inline_obstack_statistics): New fn. - * function.c (pop_function_context_from): Pass context to - restore_tree_status. - * obstack.h (obstack_empty_p): New macro. - -Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com) - - * i386/freebsd.h (ASM_COMMENT_START): Fix. - -Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com) - - * v850.c (ep_memory_offset): New function. - (ep_memory_operand, substitute_ep_register, v850_reorg): Call it. - - * v850.h (CONST_OK_FOR_*): Add and correct comments. - (CONSTANT_ADDRESS_P): Add comment. - (EXTRA_CONSTRAINT): Define 'U'. - * v850.md: Add comments on bit field instructions. - (addsi3): Delete &r/r/r alternative. Add r/r/U alternative. - (lshrsi3): Use N not J constraint. - - * v850.md (v850_tst1+1): New define_split for tst1 instruction. - - * v850.c (reg_or_0_operand): Call register_operand. - (reg_or_int5_operand): Likewise. - * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros. - (TARGET_SWITCHES): Add "big-switch". - (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE, - ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH. - (CASE_DROPS_THROUGH): Comment out. - (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define. - * v850.md (cmpsi): Delete compare mode. - (casesi): New pattern. - - * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero. - * v850.md (ashlsi3): Use SImode not QImode for shift count. - (lshrsi3): Likewise. - - * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete - unreachable switch statement after 'b' support. Remove "b" from - strings for 'b' support. - * v850.md (branch_normal, branch_invert): Change %b to b%b. - -Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com) - - * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an - empty line if @inhibit_libc@ is empty. - -Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com) - - * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj. - (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined. - (EH_FRAME_SECTION_ASM_OP_COFF): Likewise. - (DWARF2_UNWIND_INFO): Let this track object file format. - (EXTRA_SECTIONS): Add in_eh. - (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define. - (EH_FRAME_SECTION_ASM_OP_COFF): Likewise. - -Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu> - - * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2. - * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when - TARGET_MEDANY. - * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed. - (output_double_int): Output DI mode values correctly when - HOST_BITS_PER_WIDE_INT is 64. - (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use - fmovd so it works if a quad float ends up in one of the upper 32 - float regs. - * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns - necessary for PIC support on sparc64. - -Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com> - - * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS. - * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64. - (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define. - (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros. - (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros. - (SPARC_FP_ARG_FIRST): New macro. - (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now. - (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs. - (NPARM_REGS): There are 32 fp argument registers now. - (FUNCTION_ARG_REGNO_P): Likewise. - (FIRST_PARM_OFFSET): Update to new v9 abi. - (REG_PARM_STACK_SPACE): Define for arch64. - (enum sparc_arg_class): Delete. - (sparc_arg_count,sparc_n_named_args): Delete. - (struct sparc_args): Redefine and use for arch32 as well as arch64. - (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete. - (FUNCTION_ARG_ADVANCE): Rewrite. - (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite. - (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite. - (FUNCTION_ARG_CALLEE_COPIES): Delete. - (FUNCTION_ARG_{PADDING,BOUNDARY}): Define. - (STRICT_ARGUMENT_NAMING): Define. - (doublemove_string): Declare. - * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete. - (single_move_string): Use GEN_INT, and HOST_WIDE_INT. - (doublemove_string): New function. - (output_move_quad): Clean up some of the arch64 support. - (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64. - Don't add 8 bytes of reserved space if arch64. - (sparc_builtin_saveregs): Combine arch32/arch64 versions. - (init_cumulative_args): New function. - (function_arg_slotno): New static function. - (function_arg,function_arg_partial_nregs): New functions. - (function_arg_{pass_by_reference,advance}): New functions. - (function_arg_padding): New function. - * ginclude/va-sparc.h: Rewrite v9 support. - -Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch> - - * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P - for hard regs to determine base and index registers. - - * reload.c (debug_reload_to_stream): New function. Specify stream - into which to write debug info. - (debug_reload): Modify to call debug_reload_to_stream with stderr. - -Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com> - - * combine.c (can_combine_p): Don't combine with an asm whose - output is a hard register. - -Thu Oct 16 15:43:26 1997 Mike Stump <mrs@wrs.com> - - * c-decl.c (start_struct): Ensure that structs with forward - declarations are in fact packed when -fpack-struct is given. - - * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if - we are packing a structure. This allows a structure with only - bytes to be aligned on a byte boundary and have no padding on a - m68k. - -Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> - - * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record. - -Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com> - - * alpha.c (alpha_return_addr_rtx): New variable. - (alpha_save_machine_status): New; save it. - (alpha_restore_machine_status): New; restore it. - (alpha_init_expanders): New; clear it. - (alpha_return_addr): New; set it. - (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live - is overly conservative, so search the insns explicitly. - (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed. - (alpha_sa_size [VMS && !VMS]): Likewise. - * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr. - (INIT_EXPANDERS): New definition. - - * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file. - (output_prolog [!VMS]): Use them. - - * alpha.c (output_prolog [!VMS]): Move gp detection to ... - (alpha_does_function_need_gp): ... a new function. Refine the - CALL_INSN test to just TYPE_JSR. - * alpha.md (most call insns): Fix some jsr/ibr type transpositions. - -Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> - - * pa.c (move_operand): Respect -mdisable-indexing. - * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise. - -Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu> - - * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for - PPC601. - (umulsidi3,umulsi3_highpart): Likewise. - (smulsi3_highpart_no_mq): Add !TARGET_POWER. - -Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com> - - * alpha.c (final_prescan_insn): Gut, remove and transform to ... - (alpha_handle_trap_shadows): ... a new function. Handle the entire - function in one go. Emit RTL for trapb, instead of printf directly. - (alpha_reorg): New function. Call alpha_handle_trap_shadows. - (trap_pending): Kill global variable. - (output_epilog): Don't call final_prescan_insn. - (struct shadow_summary): Elide $31 and $f31; now it fits in a word. - * alpha.h (FINAL_PRESCAN_INSN): Remove. - (MACHINE_DEPENDENT_REORG): Define. - * alpha.md (jsr patterns with trapb): Stupid and useless. Kill. - (trapb): New insn. - -Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com> - - Tune Haifa scheduler for Alpha: - * alpha.h (ISSUE_RATE): Define. - * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply - EV4 adjustments to EV5. - * alpha.md: Remove all scaling from function unit delays. Rework - EV5 function units to match the CPU. - (umuldi3_highpart): EV5 added the IMULH insn class. - -Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com) - - * pa.c (following_call): Fail if the CALL_INSN is an indirect - call. - -Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net> - - * cplus-dem.c (demangle_signature): Don't look for return types on - constructors. Handle member template constructors. - -Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com> - - * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns. - * tree.h: Declare them. - -Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com> - - * configure.in: Handle --with-newlib. - * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@. - - * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete. - -Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com) - - * config/ptx4.h: Fix typo. - -Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de> - - * aclocal.m4: Substitute INSTALL. - * configure: Re-built. - -Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com) - - * integrate.c (save_for_inline_copying): Avoid undefined pointer - operations. - (expand_inline_function): Likewise. - - * dwarf2out.c (output_call_frame_info): Reinstate last change - using flag_debug_asm check instead of flag_verbose_asm. - -Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com> - - * dwarf2out.c (output_call_frame_info): Remove last change. - -1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> - - * frame.c (__frame_state_for): Execute the FDE insns until the - current pc value is strictly bigger than the target pc value. - -Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com> - - * regclass.c (init_reg_modes): If we can't find a mode for the - register, use the previous one. - -Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com> - - * haifa-sched.c (print_block_visualization): Call fprintf directly, - don't sprintf through an alloca'ed buffer. - -Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de) - - * reload.c (decompose): Always initialize val.base. - -Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de) - - * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment - instead of aborting. - * dwarf2out.c (output_call_frame_info): Call app_enable and - app_disable to let GNU as accept the generated comments. - -Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com> - - * tree.h (get_file_function_name): Add declaration. - * dwarf2out.c (output_call_frame_info): No need to cast - get_file_function_name call anymore. - * profile.c (toplevel): Remove get_file_function_name - declaration. - * c-lang.c (finish_file): Likewise. - -Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net> - - * Makefile.in (program_transform_name): Let autoconf substitute - the correct value. - -Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com) - - * haifa-sched.c (schedule_block): If the first real insn in a - block has any special notes attached to it, remove them. - -Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com> - - * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5. - -Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de) - - * m88k.c (m88k_begin_prologue): Remove superfluous backslash. - -Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com) - - * Makefile.in (check-g77): New test target. - (CHECK-TARGETS): Add check-g77. - -Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com> - - * toplev.c (rest_of_compilation): Defer all non-nested inlines. - -Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com> - - * flow.c (print_rtl_with_bb): Cast alloca return value for - in_bb_p. - -Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com> - - * i386.h (RETURN_ADDR_RTX): New definition that works for - __builtin_return_address(0) and -fomit-frame-pointer. - -Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com> - - Bring over from FSF. - Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com> - - * mips.c (function_arg): Handle passing a struct - containing a double in a DFmode register without the PARALLEL. - -Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com> - - * pexecute.c: Use spawn if __CYGWIN32__. - - * pexecute.c: Include "config.h" first, as per autoconf manual - (from Paul Eggert <eggert@twinsun.com>). - -Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be> - - * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump - optimization for f/expr.o and f/stb.o. - -Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com) - - * cse.c (this_insn_cc0_mode): Initialize. - -Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de> - - * cccp.c (expand_to_temp_buffer): Initialize all members of obuf. - - * haifa-sched.c (get_block_head_tail): Remove unneeded initialization. - -Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com> - - * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since - that pair will dual-issue on the 21164 and plus+beq won't. - (bne): Likewise for cmpeq+beq. - -Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com> - - * except.c (find_exception_handler_labels): Correct argument to free. - -Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com> - - * except.c (find_exception_handler_labels): Free LABELS when we're - done. - -Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com> - - * flow.c (find_basic_blocks): Mark calls as potentially jumping - to the EH labels. - -Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com) - - * configure.in: Substitute for "install" too. - * configure: Rebuilt. - -Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu> - - * Makefile.in (bootstrap-lean, compare-lean): New targets. - -Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com) - - * alias.c (base_alias_check): Two symbols can conflict if they - are accessed via AND. - (memrefs_conflict_p): Likewise. - - * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn - after flushing argument registers to the stack. - - * Makefile.in (mostlyclean): Remove .regmove files. - -Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com> - - * libgcc2.c (__throw): Fix thinko. - -Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net> - - * cplus-dem.c (demangle_template): Add new parameter. Handle new - template-function mangling. - (consume_count_with_underscores): New function. - (demangle_signature): Handle new name-mangling scheme. - -Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be> - - * flow.c (print_rtl_with_bb): Cast alloca return values for variables - start and end. - -Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com) - - * frame.c: Remove last change. - * dwarf2.h: Remove last change. - * tree.h: Add declarations of DWARF2 unwind info support - functions. - -Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com> - - * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size. - * tree.h (built_in_function): Likewise. - * expr.c (expand_builtin): Likewise. - * except.h: Likewise. - * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn. - * libgcc2.c (copy_reg): New fn. - (__throw): Use it. - -Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com> - - * c-typeck.c (build_binary_op): Warn about comparing signed vs - unsigned if -W is specified and -Wno-sign-compare is not. - * c-decl.c (warn_sign_compare): Initialize to -1. - (c_decode_option): -Wall no longer implies -Wsign-compare. - -Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> - - * frame.c: Include gansidecl.h for PROTO. - * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is - defined. Don't declare dwarf2out_cfi_label here. - * dwarf2.h: Add declarations of DWARF2 unwind info support - functions. - * m68k.c: Include dwarf2.h. - (output_function_prologue): Add dwarf2 support. - * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros. - (INCOMING_FRAME_SP_OFFSET): Likewise. - - * integrate.c (expand_inline_function): Make sure there is at - least one insn that can be used as an insertion point. - -Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com> - - * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/ - -Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com> - - Bring over from FSF. - - Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com> - - * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32. - (get_pc_via_rdpc): Renamed from get_pc_sp64. - * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call. - - Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu> - - * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc. - (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=, - -malign-functions=. - (sparc_align_{loops,jumps,funcs}_string): Declare. - (sparc_align_{loops,jumps,funcs}): Declare. - (DEFAULT_SPARC_ALIGN_FUNCS): New macro. - (FUNCTION_BOUNDARY): Use sparc_align_funcs. - (STACK_BIAS): Define. - (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform - test. - (SPARC_SETHI_P): New macro. - (CONST_OK_FOR_LETTER_P): Use it. - (ASM_OUTPUT_ALIGN_CODE): Define. - (ASM_OUTPUT_LOOP_ALIGN): Define. - * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals. - (sparc_align_{loops,jumps,funcs}): New globals. - (sparc_override_options): Handle -malign-loops=, -malign-jumps=, - -malign-functions=. - (move_operand): Use SPARC_SETHI_P. - (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then - perform test. - (arith11_double_operand): Likewise. - (arith10_double_operand): Likewise. - (finalize_pic): Finish sparc64 support. - (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of - 64 bit constants if able. - (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD. - (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if - ! TARGET_FPU. - * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx. - (get_pc_sp32): Use for sparc64 as well. - (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts. - (sethi_di_sp64_const): Likewise. - (movtf_cc_sp64): Check TARGET_HARD_QUAD. - (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast. - (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise. - - Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com> - - * sparc/linux-aout.h (COMMENT_BEGIN): Delete. - * sparc/linux.h (COMMENT_BEGIN): Likewise. - * sparc/linux64.h (COMMENT_BEGIN): Likewise. - - Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu> - - Add sparc64 linux support. - * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h - to xm_file list on 32-bit sparc-linux. - * sparc/xm-sp64.h: New file. - * sparc/linux64.h: New file. - * sparc/xm-linux.h: Include some standard headers if not inhibit_libc. - Don't include xm-sparc.h. - * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define. - * glimits.h (LONG_MAX): Handle sparc64. - - Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com> - - * sparc/sysv4.h (ASM_COMMENT_START): Delete. - * sparc.h (ASM_COMMENT_START): Define. - * sparc.c (output_function_prologue): Use it. - (sparc_flat_output_function_{epi,pro}logue): Likewise. - - Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com> - - * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete, - use sparc.h's copies. - * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print - ascii form as well. - - Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> - - * sparc.c (dwarf2out_cfi_label): Add declaration. - (save_regs, output_function_prologue): Remove cast for it. - (sparc_flat_{save_restore,output_function_prologue): Likewise. - ({save,restore}_regs): No longer inline. - -Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> - - * fold-const.c (make_range): Correctly handle cases of converting - from unsigned to signed type. - -Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> - - * fold-const.c (merge_ranges): Make sure that if one range is subset - of another, it will always be the second range. Correct (+,-) case to - account for this. - -Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com> - - * final.c (final_end_function): Also do dwarf2 thing if - DWARF2_DEBUGGING_INFO. - (final_start_function): Likewise. - -Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu> - - * expmed.c (expand_divmod): If compute_mode is not the same as - mode, handle the case where convert_modes() causes op1 to no - longer be a CONST_INT. - - * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED - note holding get_jump_flags() calculation to all JUMP_INSNs. - * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA. - * rtl.c (reg_note_name): Add new note types. - -Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com) - - * rtlanal.c (computed_jump_p): Fix typo in last change. - -Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu) - - * loop.c (indirect_jump_in_function_p): Return 0 - by default. - -Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com) - - * rs6000/xm-rs6000.h: Fix thinko in last change. - * rs6000/xm-sysv4.h: Likewise. - -Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com> - - * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p. - -Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com) - - * reg-stack.c (find_blocks): Fix thinko in last change. - -1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> - - * m68k.c (output_function_prologue): Add dwarf2 support. - - * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM, - INCOMING_FRAME_SP_OFFSET): New definitions. - -Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu> - - * combine.c (try_combine): Use NULL_RTX instead of '0' where - appropriate in calls to gen_rtx(). - * cse.c (cse_main): Likewise. - * emit-rtl.c (gen_label_rtx): Likewise. - * expr.c (init_expr_once): Likewise. - * haifa-sched.c (flush_pending_lists, sched_analyze_insn, - sched_analyze, init_rgn_data_dependences, - compute_block_backward_dependences): Likewise. - * sched.c (schedule_insns): Likewise. - * varasm.c (immed_double_const): Likewise. - - * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to - SPARC_STACK_BIAS for sake of dwarf2 on sparc64. - -Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com> - - * i386/sco5.h: Make ELF default file format and add -mcoff/-melf.. - (MULTILIB_DEFAULTS): Define. - (ASM_SPEC, CPP_SPEC): Handle -mcoff. - (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise. - (LIBGCC_SPEC): Likewise. - (MASK_COFF, TARGET_COFF, TARGET_ELF): Define. - (SUBTARGET_SWITCHES): Add -mcoff and -melf. - * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC. - (CRTSTUFF_T_CFLAGS_S): Tweak for COFF. - (EXTRA_PARTS, TAROUTOPTS): Delete. - (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete. - (MULTILIB_OPTIONS): Define. - (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise. - (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise. - -Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com) - - * loop.c (loop_number): Delete function. Change all references - to use uid_loop_num array. - * loop.h (loop_number): Delete declaration. - * unroll.c (unroll_loop): Change "loop_number" references to - use uid_loop_num instead. - - * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA - conditional. - (loop_unroll_iter): Remove unused variable and all references. - (loop_optimize): Always allocate and clear space for loop_unroll_factor. - (insert_bct): Fix minor formatting problems. - * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA. - (loop_unroll_iter): Removed unused decl. - * unroll.c (unroll_loop): Remove code to set loop_unroll_iter. - Always record the unrolling factor. - - * cse.c (simplify_relational_operation): Set h0u just like h0s. - Similarly for h1u and h1s. - - * flow.c (jmp_uses_reg_or_mem): Deleted unused function. - (find_basic_blocks): Use computed_jump_p to determine if a - particular JUMP_INSN is a computed jump. - * reg-stack.c (find_blocks): Use computed_jump_p to determine - if a particular JUMP_INSN is a computed jump. - * rtlanal.c (jmp_uses_reg_or_mem): New function. - (computed_jump_p): Likewise. - * rtl.h (computed_jump_p): Declare. - * genattrtab.c (pc_rtx): Define and initialize. - * loop.c (loop_optimize): Always determine if the current - function has a computed jump. - (indirect_jump_in_function_p): Use computed_jump_p to determine - if a particular JUMP_INSN is a computed jump. - - * loop.c (fix_bct_param): Delete unused function. - (check_bct_param): Likewise. - -Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com> - - * frame.c (__deregister_frame): Check properly for initialized object. - -Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu) - - * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined. - -Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk> - - * jump.c (thread_jumps): Check can_reverse_comparison_p before - threading a reversed-condition jump. - - * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p. - * haifa-sched.c (update_flow_info): Likewise. - -Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com) - - * Makefile.in (BOOT_CFLAGS): Use -O2. - - * configure.in (strtoul, bsearch): Have autoconf check for these - functions. - * configure, config.in: Rebuilt. - - * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__. - * mips/mips.h (alloca): Likewise. - * rs6000/xm-rs6000.h (alloca): Likewise. - * rs6000/xm-sysv4.h: Likewise. - -Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com> - - * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code. - * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along. - (dwarf2out_stack_adjust): A BARRIER resets the args space to 0. - - * except.c (end_eh_unwinder): Subtract 1 from return address. - * libgcc2.c (__throw): Likewise. - (find_exception_handler): Don't change PC here. Compare end with >. - -Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com> - - * v850.c (compute_register_save_size): Correct register - number. - * v850.md (save_interrupt, return_interrupt): Correct - register number. - * v850/lib1funcs.asm (save_interrupt): Correct register number. - (return_interrupt): Use stack pointer, not element pointer. - -1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com> - - * configure.in, configure: Make sure to create the stage* and include - symbolic links in each subdirectory. - -Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com) - - * pa.md (reload_peepholes): Don't allow addresses with side - effects for the memory operand. - -Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com> - - * libgcc2.c (find_exception_handler): Subtract one from our PC when - looking for a handler, to avoid hitting the beginning of the next - region. - - * except.c (expand_builtin_set_return_addr_reg): Use force_operand. - -Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com) - - * mips/abi64.h (LONG_MAX_SPEC): Define. - * mips.h (LONG_MAX_SPEC): Define. - (CPP_SPEC): Include long_max_spec. - (EXTRA_SPECS): Include long_max_spec. - -Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com) - - * v850.c (construct_save_jarl): Fix thinko in last change. - -Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com> - - * libgcc2.c (find_exception_handler): Not found is -1. - - * integrate.c (expand_inline_function): Move expand_start_bindings - after expanding the arguments. - -Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com> - - * expr.c (expand_expr): Remove previous incorrect change. - If target and slot has no DECL_RTL, then call mark_addressable - again for the slot after we give it RTL. - -Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com) - - * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable - again for the slot after we give it RTL. - -Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com> - - * v850.c (register_is_ok_for_epilogue, - pattern_is_ok_for_epilogue, construct_restore_jr, - pattern_is_ok_for_prologue, construct_save_jarl): New functions. - - * v850.h (pattern_is_ok_for_prologue, - pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New - predicates. - - * v850.md: Replace prologue and epilogue patterns with a - match_parallel pattern. - -Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com) - - * aclocal.m4: Add replacement for AC_PROG_INSTALL. - * configure.in: Use EGCS_PROG_INSTALL. - -Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com) - - * dwarf2out.c (gen_subprogram_die): Handle redefinition of an - extern inline function. - -Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com) - - * dwarf2out.c (reg_loc_descriptor): Fix prototype. - (concat_loc_descriptor): New function. - (loc_descriptor): Call it. - (add_AT_location_description): Also elide the descriptor if both - halves of a CONCAT are pseudos. - (add_location_or_const_value_attribute): Recognize CONCAT too. - -Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com> - - * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS. - - * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for - out-or-range reg_offset. - (output_epilog): Likewise. - -Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com) - - * cse.c (simplify_relational_operation): If MODE specifies a - mode wider than HOST_WIDE_INT, then the high word of a CONST_INT - is derived from the sign bit of the low word. - -Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com> - - Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86. - - * dwarf2.h: Add DW_CFA_GNU_args_size. - * frame.c (execute_cfa_insn): Likewise. - * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise. - (dwarf2out_args_size, dwarf2out_stack_adjust): New fns. - (dwarf2out_frame_debug): If this isn't a prologue or epilogue - insn, hand it off to dwarf2out_stack_adjust. - (dwarf2out_begin_prologue): Initialize args_size. - * frame.h (struct frame_state): Add args_size. - * libgcc2.c (__throw): Use args_size. - * final.c (final_scan_insn): If we push args, hand off all insns - to dwarf2out_frame_debug. - * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS. - - * dwarf2out.c dwarf2out_frame_debug): Fix typo. - Handle epilogue restore of SP from FP. - * emit-rtl.c (gen_sequence): Still generate a sequence if the - lone insn has RTX_FRAME_RELATED_P set. - - * frame.c (extract_cie_info): Handle "e" augmentation. - * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the - absence of UNALIGNED_*_ASM_OP. - (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF. - (output_call_frame_info): Use "e" instead of "z" for augmentation. - Don't emit augmentation fields length. - (dwarf2out_do_frame): Move outside of #ifdefs. - * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data - opcodes. - - * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all. - * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here. - * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0. - * sparc/sun4gas.h: New file. - * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as. - - * collect2.c (write_c_file_stat, write_c_file_glob): Declare - __register_frame_table and __deregister_frame. - -1997-09-15 Brendan Kehoe <brendan@cygnus.com> - - * except.c (find_exception_handler_labels): Use xmalloc instead of - alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million - in some cases. - -Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com) - - * Makefile.in: Various changes to build info files - in the object tree rather than the source tree. - -Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com) - - * fixinc.math: New file to fix math.h on some systems. - * configure.in (freebsd, netbsd): Use fixinc.math on these - systems. - * configure: Rebuilt. - -Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com) - - * regmove.c (regmove_optimize): If we end up moving the - original insn due to lifetime overlaps, make sure to move - REG_NOTES too. - -Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de> - - * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure. - -Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com) - - * haifa-sched.c (add_branch_dependences): Make each insn in - a SCHED_GROUP_P block explicitly depend on the previous insn. - -Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com> - - * except.h: Prototype dwarf2 hooks. - * expr.c: Adjust. - -Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com> - - * configure.in (native_prefix): Delete. - (mips-dec-netbsd): Don't set prefix. - (*linux*): Don't set prefix. - -Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com> - - * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is - defined. If not defined, include <sys/varargs.h> if - HAVE_SYS_VARARGS_H is defined. - * configure.in: Test for varargs.h and sys/varargs.h. - * configure: Regenerate with autoconf. - * config.in: Regenerate with autoheader. - - * cpplib.c (quote_string): Cast first arg of sprintf call - from "unsigned char *" to "char *". - (output_line_command): Likewise. - (macroexpand): Likewise. - (do_line): Cast atoi arg from "unsigned char *" to "char *". - -Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com) - - * version.c: Bump for snapshot. - - * Makefile.in (compare): Exit with nonzero status if there - are comparison failures. Note which files failed the - comparison test in .bad_compare. - -Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu) - - * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__. - -Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com> - - * Makefile.in (LN, LN_S): New macros, use where appropriate. - * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests. - * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN. - * configure: Regenerated. - -Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com) - - * loop.c (strength_reduce): Fix typo. - -Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com> - - * m88k/m88k.c (struct option): Rename to struct options. - * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here. - * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments. - * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not - __DOLPHIN__ or sysV88. - -Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com> - - * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when - create new subreg. - -Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com) - - * config.sub: Accept 'amigados' for backward compatibility. - -Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu) - - * Makefile.in (testsuite/site.exp): New target. - (check-gcc, check-g++): Depend on testsuite/site.exp. - Don't stop for failure. - -Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com> - - * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum() - if DWARF2_UNWIND_INFO. - -Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com> - - Add support for exception handling using DWARF 2 frame unwind info. - Currently works on SPARC and MIPS, and almost on x86. - - * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr, - next_stack_level, in_reg_window): Helper fns. - (__throw): Implement for DWARF2_UNWIND_INFO. - - * expr.c (expand_builtin): Handle builtins used by __throw. - * tree.h (enum built_in_function): Add builtins used by __throw. - * c-decl.c (init_decl_processing): Declare builtins used by __throw. - * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw. - * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw. - (expand_builtin_extract_return_addr): Likewise. - (expand_builtin_frob_return_addr): Likewise. - (expand_builtin_set_return_addr_reg): Likewise. - (expand_builtin_eh_stub): Likewise. - (expand_builtin_set_eh_regs): Likewise. - (eh_regs): Choose two call-clobbered registers for passing back values. - - * frame.c, frame.h: New files for parsing dwarf 2 frame info. - * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c. - (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS) - (stmp-multilib): Likewise. - ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions. - - * except.c: #include "defaults.h". - (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO. - (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO. - (register_exception_table_p): New fn. - (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO. - (end_eh_unwinder): Likewise. - - * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP, - call __register_frame and __deregister_frame as needed. - * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP. - * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check - EH_FRAME_SECTION_ASM_OP. - * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define. - * mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Define. - (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols. - - * dwarf2out.c (output_call_frame_info): If no support for - EXCEPTION_SECTION, mark the start of the frame info with a - collectible tag. - * collect2.c (frame_tables): New list. - (is_ctor_dtor): Recognize frame entries. - (scan_prog_file): Likewise. - (main): Pass -fno-exceptions to sub-compile. Also do collection - if there are any frame entries. - (write_c_file_stat): Call __register_frame_table and - __deregister_frame as needed. - (write_c_file_glob): Likewise. - - * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported. - Also require unaligned reloc support. - * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, - UNALIGNED_DOUBLE_INT_ASM_OP): Define here. - * sparc/sysv4.h: Not here. - - * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}. - * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init. - (dwarf2out_finish): Don't call dwarf2out_frame_finish. - - * libgcc2.c (L_eh): Reorganize, moving code shared by different - EH implementations to the top. - (find_exception_handler): Split out. Start from 0. Compare against - end with >=. - (__find_first_exception_table_match): Use it. - * except.c (output_exception_table): Don't do anything if there's - no table. Don't output a first entry of zeroes. - (eh_outer_context): Adjust properly. - (add_eh_table_entry): Use xrealloc. - * toplev.c (compile_file): Just call output_exception_table. - -Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com> - - * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case. - -Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se> - - * except.c (eh_outer_context): Do masking using expand_and. - -Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com> - - Add port done awhile ago for the ARC cpu. - * arc/arc.h: New file. - * arc/arc.c: New file. - * arc/arc.md: New file. - * arc/initfini.c: New file. - * arc/lib1funcs.asm: New file. - * arc/t-arc: New file. - * arc/xm-arc.h: New file. - * ginclude/va-arc.h: New file. - * ginclude/stdarg.h: Include va-arc.h ifdef __arc__. - * ginclude/varargs.h: Likewise. - * Makefile.in (USER_H): Add va-arc.h. - * configure.in (arc-*-elf*): Recognize. - * longlong.h: Add ARC support. - -Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com) - - * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx. - when clearing non-BLKmode data. - -Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de> - - * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Define. - * libgcc2.c (__enable_execute_stack): Provide for sysV88 too. - - * xm-m88k.h (USG): Only define if it hasn't already been defined. - - * Makefile.in (risky-stage1): Delete gratuitous whitespace. - - * Makefile.in (clean): Delete libgcc1-test. - - * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo. - -Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com> - - * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list - template. - -Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> - - * dwarf2out.c (output_call_frame_info): Call named_section. - -Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com) - - * haifa-sched.c (print_value): Fix last change. - -Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com> - - * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of - write_symbols. - -Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com> - - * mips.c (function_prologue): Set up the CFA when ABI_32. - - * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG - for dwarf2 unwind info. - (output_function_prologue, sparc_flat_output_function_prologue): Same. - - * final.c (final_end_function): Check dwarf2out_do_frame instead - of DWARF2_DEBUG for dwarf2 unwind info. - (final_scan_insn): Likewise. - (final_start_function): Likewise. Initialize dwarf2 frame debug here. - (final): Not here. - - * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if - count > 0. - - * varasm.c (exception_section): Check EXCEPTION_SECTION first. - -Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com> - - * v850.h (ASM_SPEC): Pass on target processor. - (CPP_PREDEFINES): Only define if not already specified. - (TARGET_VERSION): Only define if not already specified. - (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target - processor. - (EXTRA_SWITCHES): Extra entries in the switches array. - (TARGET_DEFAULT): Set default target processor. - -Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com> - - * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA - cases, add %# and %/, and add : to make them into extended asms. - -Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu> - - * alias.c (init_alias_analysis): Clean up incompatible pointer - type warning in bzero. - * regmove.c (regmove_optimize): Likewise. - * haifa-sched.c (find_rgns): Likewise. - - * haifa-sched.c (print_value): Clean up ptr->int cast - warnings. - -Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com> - - * INSTALL: Change 'amigados' to 'amigaos' to match current usage. - * install.texi (Configurations): Likewise. - * config.sub: Likewise. - -Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu) - - * Makefile.in (sdbout.o): Depend on insn-config.h. - -Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com> - - * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881. - For 68303, 68332, cpu32, subtract MASK_68040_ONLY. - -Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com> - - * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL - prologue insn, only the first elt is significant. - (output_call_frame_info): For exception handling, always use 4-byte - fields as specified by the dwarf2 spec. - Don't skip trivial FDEs. - -Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se) - - * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp - for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR - when op1_is_pow2. - -Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com) - - * final.c (shorten_branches): During first pass, assume worst - possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns. - - * Makefile.in (distclean): Remove various things left around - by running the testsuite. - -Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de> - - * configure.in (out_file): Emit definition to config.status in order - to have a defined value for configure.lang. - * configure: Re-built. - -Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl) - - * configure.in: Make symlink to as-new rather than as.new. Similarly - for ld-new. - * configure: Rebuilt. - -Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com> - - * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero. - -Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE> - - * sparc/sparc.md: Add ultrasparc scheduling support. - * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns. - -Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be> - - * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR, - as initial value for real_label_map. - (copy_for_inline): Likewise. - -Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk> - - * sched.c (update_flow_info): When looking if to set found_split_dest - or found_orig_dest, look at all parts of a PARALLEL. - * haifa-sched.c (update_flow_info): Likewise. - -Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com) - - * v850: New directory for v850 port. - * v850/lib1funcs.asm: New file. - * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files. - * ginclude/va-v850.h: New file. - * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h. - * configure.in (mn10200-*-*): New target. - * configure: Rebuilt. - * config.sub: Handle v850-elf. - * Makefile.in (USER_H): Add va-mn10200.h. - * invoke.texi: Document v850 stuff. - -Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com) - - * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN - has integer TYPE_{MAX,MIN}_VALUE before using them. - - * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add - __HPUX_ASM__ versions. - -Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com) - - * install.sh: Delete duplicate install script. - -Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com) - - * reg-stack.c (subst_stack_regs): Pop the stack register for a - computed goto which sets the same stack register. - - * reg-stack.c (compare_for_stack_reg): Swap only if the source and - destination are both on the regstack. - (subst_stack_regs_pat): Put the destination at the top of the regstack. - -Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com> - - * mips.md (nonlocal_goto_receiver): Define. - - * profile.c (output_arc_profiler): Check next_insert_after for non - NULL before deferencing it. - - * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC. - -Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com) - - * i386.h (CPP_CPU_DEFAULT): Avoid using #elif. - -Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com> - - * toplev.c (rest_of_compilation): For passes starting with - flow_analysis, use print_rtl_with_bb instead of print_rtl. - - * print-rtl.c (print_rtl_single): Print a single rtl value to a - file. - - * flow.c (print_rtl_with_bb): Print which insns start and end - basic blocks. For the start of a basic block, also print the live - information. - -Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com> - - * toplev.c (main): Change #elif to #else/#ifdef. - - * tlink.c: Include ctype.h. - * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif. - -Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com) - - * bitmap.c: Conditionally include stdlib.h. - (free): Provide a declaration if NEED_DECLARATION_FREE. - -Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com) - - * i960/i960.h: Added default for SUBTARGET_SWITCHES macro. - -Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com) - - * profile.c (output_arc_profiler): Verify next_insert_after is an - INSN before and after skipping a stack pop. - -Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk> - - * final.c (shorten_branches): Don't count the lengths of deleted - instructions. - -Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com) - - * version.c: Bump for snapshot. - -Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com> - - * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over - two bitmaps ANDed together. - (bitmap_print): Declare. - - * bitmap.c (function_obstack): Don't declare any more. - (bitmap_obstack): Obstack for allocating links from. - (bitmap_obstack_init): New static to say whether to initialize - bitmap_obstack. - (bitmap_element_allocate): Use bitmap_obstack to allocate from. - (bitmap_release_memory): Free all memory allocated from - bitmap_obstack. - - * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke - EXECUTE_IF_AND_IN_BITMAP. - -Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com> - - * alias.c (true_dependence): Address with AND can alias scalars. - (anti_dependence, output_dependence): Likewise. - - * alias.c (true_dependence): Test x for BLKmode, in addition to mem. - -Wed Sep 3 09:28:50 1997 Joel Sherrill (joel@OARcorp.com) - - * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h, - mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h, - sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES - definitions. Use -qrtems instead of -mrtems. - -Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com) - - * xm-sco5.h (sys_siglist): Define. - (SYS_SIGLIST_DECLARED): Likewise. - -Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com) - - * expr.c (convert_move): Handle truncation from TQFmode to QFmode. - -Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se> - - * except.c (eh_outer_context): Expand masking operation using - expand_binop. - -Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com> - - * alpha.md (floatdisf2-1): New pattern. - -Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com) - - * xm-svr4.h (SYS_SIGLIST_DECLARED): Define. - * xm-news.h (SYS_SIGLIST_DECLARED): Likewise. - * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise. - * gcc.texi: Note that if you define sys_siglist that you should - also define SYS_SIGLIST_DECLARED. - - * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions - are relative to the next instruction, not the current instruction. - -Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com> - - * local-alloc.c (contains_replace_regs): New function. - (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM, - verify that there is no existing REG_EQUIV note, and add a call to - contains_place_regs. - -Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu) - - * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__. - (STARTFILE_SPEC): Always use crtbegin.o%s. - (ENDFILE_SPEC): Always use crtend.o%s. - -Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com> - - * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS - is passed in. - * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to - SFmode for 64 bit hosts. - -Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU> - - * fixincludes: Permits spaces between # and define. Discard C++ - comments in sys/pci.h on HP/UX 10.20. - -Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com) - - * version.c: Bump for snapshot. - - * pa.c (restore_unscaled_index_insn_codes): New function. - (record_unscaled_index_insn_codes): Likewise. - (output_function_prologue): Call restore_unscaled_index_insn_codes. - (output_function_epilogue): Free memory for unscaled_index_insn_codes. - (pa_reorg): Call record_unscaled_index_insn_codes. - - * haifa-sched.c (move_insn): Handle notes correctly for insns - with SCHED_GROUP_P set. - -Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu) - - * alpha/xm-linux.h (USE_BFD): Undef before define. - -Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com> - - * cse.c (cse_insn): Don't record BLKmode values. - -Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com) - - * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches. - -Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com) - - * cccp.c (sys_errlist): Remove special 4.4bsd declaration. - * collect2.c (sys_errlist): Likewise. - * cpplib.c (sys_errlist): Likewise. - * gcc.c (sys_errlist): Likewise. - * protoize (sys_errlist): Likewise. - * configure.in: Check for strerror. - * xm-freebsd.h (HAVE_STRERROR): Remove definition. - * xm-gnu.h (HAVE_STRERROR): Likewise. - * xm-linux.h (HAVE_STRERROR): Likewise. - * xm-netbsd.h (HAVE_STRERROR): Likewise. - * xm-bsd386.h (HAVE_STRERROR): Likewise. - * xm-cygwin32.h (HAVE_STRERROR): Likewise. - * xm-dos.h (HAVE_STRERROR): Likewise. - * xm-mingw32.h (HAVE_STRERROR): Likewise. - * xm-pa.h (HAVE_STRERROR): Likewise. - * xm-papro.h (HAVE_STRERROR): Likewise. - * xm-sysv4.h (HAVE_STRERROR): Likewise. - * configure, config.in: Rebuilt. - - * Makefile.in: Add several missing "else true" clauses. - - * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED. - * mips-tfile.c: Likewise. - * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs. - * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition. - * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise. - * configure.in: Check for sys_siglist declaration. - * configure, config.in: Rebuilt. - -Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com) - - * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, - m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, - sparc/rtems.h (subtarget_switches): Added -mrtems as a switch. - * i960/i960.h: Added SUBTARGET_SWITCHES macro. - * rs6000/sysv4.h (extra_subtarget_switches): Added new - macro EXTRA_SUBTARGET_SWITCHES. - * configure.in (sh*-*-rtems*): New target. - * sh/rtems.h: New file. - * sh/sh.h: Added SUBTARGET_SWITCHES macro. - * configure: Rebuilt. - -Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com> - - * unroll.c (calculate_giv_inc): Handle increment with code PLUS. - -Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu> - - * rs6000.md: Make DF fused-add operations pay attention to - -mno-fused-add. - -Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com> - - * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define. - -Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com) - - * pa.md (reload_peepholes): Make sure operand is a REG before - examining REGNO. Allow general registers too. - -Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com> - - * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs. - -Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de) - - * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc - to reallocate abbrev_die_table. - -Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com> - - * m68k/m68k.md (iorsi_zexthi_ashl16): Disable. - -1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> - - * Makefile.in (config.status): Depend on version.c. - - * expr.h (insn_gen_function): Reenable prototype. - - * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of - first parameter. - -Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com> - - * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic. - -Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com) - - * version.c: Bump for latest snapshot. - - * bc-optab.c: Conditionally include stdlib.h. - (free): Provide a declaration if NEED_DECLARATION_FREE. - * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE. - * rtl.h (free): Remove declaration. - * tree.h (free): Remvoe declaration. - - * configure: Rebuilt. - -Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com) - - * flags.h (flag_move_all_movables): Declare. - (flag_reduce_all_givs): Likewise. - * loop.c (move_movables): Handle flag_move_all_movables. - (strength_reduce): Handle flag_reduce_all_givs. - * toplev.c (flag_move_all_movables): Define. - (flag_reduce_all_givs): Likewise. - (f_options): Add -fmove-all-movables and -freduce-all-givs. - * invoke.texi: Document new options, including alias stuff that - wasn't included last time. - -Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com) - - * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS. - * t-mn10200: Likewise. - * t-vxsparc: Likewise. - * t-vxworks68: Likewise. - * t-vxworks960: Likewise. - * t-vx29k: Likewise. - -Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com> - - * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC - if not already defined, and USE_C_ALLOCA not defined. - -Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com> - - * config.guess: Replace with script that uses ../config.guess. - - * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 - if USE_GNULIBC_1 is not defined. - -Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com> - - * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1. - * config.guess: Recognize alpha-linux-gnulibc1. - * configure.in (alpha-*-linux-gnulibc1): New target. - (alpha-*-linux-gnu*): Don't build crtbegin/end. - -Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com> - - * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in - last change. - -Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com> - - * loop.c (combine_movables): Earlier insns don't match later ones. - -Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu) - - * config/linux.h (CC1_SPEC): Define it only if not defined. - - * config/m68k/linux.h (CC1_SPEC): Undefine it before include - <linux.h> - - * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if - USE_GNULIBC_1 is not defined. - - * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1. - - * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined - as 1 if USE_GNULIBC_1 is not defined. - -Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com) - - * reorg.c (dbr_schedule): Allow current_function_return_rtx - to be something other than a REG. - * function.c (expand_function_end): Fix current_function_return_rtx - if it was a pseudo. - - * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS. - * x-netbsd: Likewise. - * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS. - (INSTALL_HEADERS): Delete. - * x-dguxbcs: Likewise. - * x-hp3bsd44: Likewise. - * x-pa: Likewise. - -Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> - - * i386.md (pop): pop increments the stack pointer. - (prologue_set_stack_ptr): New pattern. - * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr - instead of subsi3. - -Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com> - - * reload.c (find_reloads, case '0'): Reject matching a non-offsettable - address where an offsettable address is required. - -Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz> - - * loop.c (check_final_value): Don't miss a biv increment in a - parallel. - -Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com) - - * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check - TYPE_DECL_IS_STUB instead of DECL_NAME. - -Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu) - - * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj. - -Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com> - - * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES). - -Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com) - - * haifa-sched.c (find_pre_sched_live): Remove #if 0 code. - (find_post_sched_live): Likewise. - - * haifa-sched.c (schedule_block): Remove old code to get arguments - from hard regs into pseudos early. - -Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com) - - * version.c: Bump for new snapshot. - - * local-alloc.c (update_equiv_regs): All the target to reject - promotion of some REG_EQUAL to REG_EQUIV notes. - * pa.h (DONT_RECORD_EQUIVALENCE): Define. - - * pa.c (secondary_reload_class): (mem (mem ... )) does not need - secondary reloads. - - * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the - store of the argument registers. - -Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu) - - * fold-const.c (multiple_of_p): New function. - (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR. - -Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com) - - * expr.h (insn_gen_function): Temporarily remove prototype. - -Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com> - - * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to - filenames. Use sed to extract base filename for install. - -Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu> - - * unroll.c (find_splittable_givs): Only share if two givs have the - same add and multiply values. - -Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com> - - * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef. - * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it. - -Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com) - - * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns - around branch tables. - * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab - and .end_brtab directives if TARGET_GAS. - -Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com> - - * alias.c (true_dependence): Pass x_addr not x to varies. - - * acconfig.h (NEED_DECLARATION_CALLOC): Add. - * configure.in: Add GCC_NEED_DECLARATION call for calloc. - * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete - declarations. - * config.in, configure: Regenerate. - -Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu> - - * alias.c (find_base_value): Improve handling of PLUS, MINUS, and - LO_SUM. - (record_set): Handle LO_SUM like PLUS. - (init_alias_analysis): When following chains of base addresses, - do not stop on reaching a hard register. - -Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com) - - * version.c: Bump for new snapshot. - -Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com> - - * alpha.h (ARCH_ASM_FILE_START): Define. - (ASM_FILE_START): Use ARCH_ASM_FILE_START. - * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string. - -Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com) - - * Makefile.in (install-common): Put gcov comment at start of line. - -Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com) - - * alias.c (init_alias_analysis): When simplifying the reg_base_value - array, simplify entries for hard registers too. - -Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk> - - * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from - list. - -Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com> - - * stmt.c (start_cleanup_deferral, end_cleanup_deferral): Test - block_stack before dereferencing it. - -Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com> - - * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate. - -Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com> - - * cplus-dem.c: Add 'extern' to prepends_underscore. - -Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com) - - * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate. - (get_issue_rate): Delete. - * pa.h (ISSUE_RATE): Define. - - * configure.in: Turn on haifa by default for the PA. - * configure: Rebuilt. - * pa.c (override_options): Accept -mschedule=7200 option. - (pa_adjust_cost): No longer need to scale costs for newer - processors. - * pa.h (enum processor_type): Add PROCESSOR_7200. - * pa.md: Revamp scheduling parameters to work better with - haifa. Add scheduling parameters for the 7200. - - * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P - insns too. - (schedule_block): When adjusting basic_block_{head,end}, account - for movement of SCHED_GROUP_P insns too. - - * haifa-sched.c (debug_dependencies): Fix thinko. - - * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define. - (site.exp, check, check-g++, check-gcc): New targets. - - * haifa-sched.c: Make lots of variables static. - -Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu) - - * expr.h, real.h: Finish prototyping. - -Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com> - - * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR - reloads to RELOAD_FOR_OPERAND_ADDRESS reloads. - * reload1.c: Undo bugfix from Aug 11. - -Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com> - - * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single - quotes around the name. - * configure: Regenerate. - -Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com> - - * Makefile.in (stmp-multilib-sub): Fix typo in last change. - -Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de> - - * Makefile.in (sub-makes): Pass the current value of LANGUAGES down - to sub-makes to avoid building more passes than the user might have - requested on the command line. - -Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk) - - * configure.in: Expurgate `broken_install' (install is - autoconfed). - - * configure.lang: Substitute autoconfed ${INSTALL} (not currently - relevant). - -Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com) - - * loop.c (is_power_of_2, is_conditional_branch): Delete unused - functions and declarations. - (analyze_loop_iterations): Use condjump_p. - (insert_bct): Likewise. Use exact_log2. - -Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com) - - * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed. - (schedule_region): Likewise. - (schedule_insns): Likewise. - - * PROJECTS: Update with Haifa stuff. - -Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com) - - * version.c: Change the version string to look like: - egcs-2.90.00 970814 (gcc2-970802 experimental). - - * loop.c (is_conditional_branch): Make definition match declaration. - - * gcc.c: Take out experimental snapshot warning message. - -Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com> - - * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to - print out the names of the notes. Print out the name of the insn - that is not a note, and not an {,CALL_,JUMP_}INSN. - -Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com> - - * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable - again for the slot after we give it RTL. - -Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com> - - * configure.in (haifa configury): Fix typo. - * configure: Regenerate. - -Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com) - - * version.c: Bump version to "gcc-3.0.0 970802 experimental". - - * gcc.info*: Rebuilt. - - * COPYING.g77, README.g77: New files. - * real.c (ereal_unto_float, ereal_unto_double): New functions. - * real.h (ereal_unto_float, ereal_unto_double): Declare them. - (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define. - -Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com) - - * Integrate Haifa instruction scheduler. - * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references - to sched with $(SCHED_CFLAGS. - * configure.in: Handle --enable-haifa. - * configure: Rebuilt. - * flags.h: Add new flags for haifa instruction scheduler. - * genattrtab.c (expand_units): For haifa, don't subtract one - when computing blockage. - * toplev.h (flag_schedule_interblock): Haifa scheduler flag. - (flag_schedule_speculative): Likewise. - (flag_schedule_speculative_load): Likewise. - (flag_schedule_speculative_load_dangerous): Likewise. - (flag_schedule_reverse_before_reload): Likewise. - (flag_schedule_reverse_after_reload): Likewise. - (flag_branch_on_count_reg): Likewise. - (f_options): Add Haifa switches. - (main): Turn off some Haifa options if appropriate macro is - defined. Process Haifa switches. - * unroll.c (iteration_info): No longer static, since Haifa - scheduler uses it. - (unroll_loop): Inform HAIFA scheduler about loop unrolling factor. - * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value. - * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls. - * loop.h (loop_initial_value,loop_unroll_iter): New globals. - * loop.c (loop_optimize): If HAIFA is defined, allocate additional - storage for the Haifa scheduler. - (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and - LABEL_NEXTREF. - (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count - are defined, call analyze_loop_iterations and insert_bct to use - countdown loops. - (record_giv): Refine test for jumps out of loops if HAIFA is - defined. - (analyze_loop_iterations): New function to identify if we can use - a countdown loop. - (insert_bct): Insert countdown loop. - (instrument_loop_bct): Low level code to insert countdown loop. - (loop_number): Calculate UID of loop. - (indirect_jump_in_function_p): Return true if an indirect jump is - in the function. - (is_power_of_2): Return true if value is a power of 2. - (is_conditional_branch): Return true if insn is a conditional - jump. - (fix_bct_param): Process -fbct-{min,max}-N switches. - (check_bct_param): Return true if loop should be instrumented. - * loop.c (loop_initial_value,loop_unroll_iter): New globals. - (loop_optimize): Initialize. - (get_condition_for_loop): Likewise. - * loop.c (strength_reduce): Inside of code that uses #ifdef - HAVE_decrement_and_branch_on_count code, test it to make sure the - condition is true. - (instrument_loop_bct): Likewise. - * haifa-sched.c: New file. - - * Integrate regmove pass. - * Makefile.in (OBJS): Add regmove.o. - (regmove.o): Add dependencies. - * flow.c (find_use_as_address): No longer static. - * rtl.h (find_use_as_address): Declare. - * toplev.c (regmove_dump, flag_regmove): Define. - (f_options): Add -fregmove. - (regmove_dump_file, regmove_time): Define. - (fatal_insn): Close the regmove dump file. - (compile_file): Initialize regmove_time; open/close the regmove dump - file as needed. Print regmove time as needed. - (rest_of_compilation): Run regmove pass if requested, dump - RTL after regmove if requested. - (main): If -O2 or more, turn on regmove. Handle dump switches. - * regmove.c: New file. - -Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com) - - * Integrate tlink patch from jason@cygnus.com - * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'. - (process_command): Increment n_switches for them. Don't discard - their args. Validate them. - (main): Escape " marks when creating COLLECT_GCC_OPTIONS. - From Rohan Lenard. - (process_command): Set include_prefixes from COMPILER_PATH. - (main): Set COLLECT_GCC_OPTIONS sooner. - * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld. - * tlink.c, hash.c, hash.h: New files. - * Makefile.in (USE_COLLECT2): Always use collect2. - (collect2): Depend on and link in hash.o and tlink.o. - (tlink.o, hash.o): Add dependencies. - -Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com) - - * Integrate alias analysis changes from jfc@mit.edu - * Makefile.in (OBJS): Add alias.o. - (alias.o): Add dependencies. - * alias.c: New file. - * sched.c: Remove alias analysis code. It lives in alias.c now. - (sched_analyze_2): Add new arguments to true_dependence. - (schedule_insns): Always call init_alias_analysis. - * calls.c (expand_call): Note calls to malloc, calloc, and realloc; - mark return value from such functions as a pointer and keep track of - them for alias analysis. If a return value from a function is a - pointer, mark it as such. - * combine.c (distribute_notes): Handle REG_NOALIAS. - * cse.c (struct write_data): Delete. No longer needed. - (invalidate): Don't call set_nonvarying_address_components anymore. - Use true_dependence to decide if an entry should be removed from - the hash table. - (invalidate_memory): Remove WRITES argument, simplify appropriately. - Fix all callers. - (note_mem_written): Similarly for WRITE_PTR argument. - (invalidate_from_clobbers): Similarly for W argument. - (invalidate_for_call): Remove memory elements from the hash table. - (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted. - (cse_rtx_varies_p): New function. Derived from old - cse_rtx_addr_varies_p. - (cse_insn): Remove WRITES_MEMORY and INIT variables and all references. - Don't call note_mem_written anymore. Stack pushes invalidate the stack - pointer if PUSH_ROUNDING is defined. No longer need to call - cse_rtx_addr_varies_p to decide if a MEM should be invalidated. - (skipped_writes_memory): Remove variable. - (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory. - (invalidate_skipped_block): Simplify for new alias analysis code. - (cse_set_around_loop): Likewise. - (cse_main): Call init_alias_analysis. - * flags.h (flag_alias_check, flag_argument_noalias): Declare. - * toplev.c (flag_alias_check, flag_argument_noalias): Define. - (f_options): Add new alias checking arguments. - (main): Set flag_alias_check when optimizing. - * local_alloc (validate_equiv_mem_from_store): Add new arguments - to true_dependence. - (memref_referenced_p): Likewise. - * loop.c (NUM_STORES): Increase to 30. - (prescan_loop): Only non-constant calls set unknown_address_altered. - (invariant_p): Add new arguments to true_dependence. - (record_giv): Initialize unrolled and shared fields. - (emit_iv_add_mult): Call record_base_value as needed. - * loop.h (struct induction): Add unrolled and shared fields. - * unroll.c (unroll_loop): Call record_base_value as needed. - (copy_loop_body): Likewise. - (final_biv_value): Likewise. - (final_giv_value): Likewise. - (find_splittable_regs): Likewise. Only create one new pseudo - if we have multiple address GIVs that were combined with the same - dst_reg GIV. Note when a new register is created due to unrolling. - * rtl.c (reg_note_name): Add REG_NOALIAS. - * rtl.h (enum reg_note): Similarly. - (rtx_varies_p, may_trap_p, side_effects_p): Declare. - (volatile_refs_p, volatile_insn_p, remove_note): Likewise. - (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise. - (true_dependence, read_dependence, anti_dependence): Likewise. - (output_dependence, init_alias_analysis, end_alias_analysis): Likewise. - (mark_user_reg, mark_reg_pointer): Likewise. - - * Integrate reload bugfix from Wilon which enables the PA port - to bootstrap again. - * reload1.c (reload): Sum needs for both OPADDR_ADDR and - OPERAND_ADDRESS when computing how many registers an insn needs. - (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do - conflict. - (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like - OPADDR_ADDR reload. - (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers - in reload_reg_use_in_op_addr do not reach the end. - do not reach the end. - (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with - RELOAD_FOR_OPERAND_ADDRESS. - -Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com) - - * egcs project officially starts. - - -Copyright (C) 1997 Free Software Foundation, Inc. - -Copying and distribution of this file, with or without modification, -are permitted in any medium without royalty provided the copyright -notice and this notice are preserved. |