2010-08-13 H.J. Lu Backport from mainline 2010-02-26 H.J. Lu * config.gcc: Support --with-fpmath=sse for x86. * config/i386/ssemath.h: New. * doc/install.texi (--with-fpmath=sse): Documented. 2010-06-22 H.J. Lu Backport from mainline 2010-06-22 H.J. Lu * config/i386/i386.md (unit): Also check sseishft1. 2010-06-21 H.J. Lu PR target/44615 * config/i386/atom.md (atom_sseishft_2): Also check sseishft1. * config/i386/i386.md (type): Add sseishft1 * config/i386/ppro_insn (ppro_insn): Also check sseishft1. (ppro_insn_load): Likewise. (ppro_insn_store): Likewise. (ppro_insn_both): Likewise. * config/i386/sse.md (*vec_extractv2di_1_rex64_avx): Replace sseishft with sseishft1 for type. (*vec_extractv2di_1_avx): Likewise. (*vec_extractv2di_1_rex64): Replace sseishft with sseishft1 for type. Remove atom_unit. (*vec_extractv2di_1_sse2): Likewise. 2010-02-22 H.J. Lu Backport from mainline: 2010-02-22 H.J. Lu * config/i386/i386.c (initial_ix86_tune_features): Turn on X86_TUNE_INTER_UNIT_MOVES for m_ATOM. 2009-10-30 H.J. Lu Backport from mainline: 2009-10-30 H.J. Lu PR target/40838 * cfgexpand.c (expand_stack_alignment): Call update_stack_boundary first. Move assert on stack_alignment_estimated just before setting stack_realign_needed. (gimple_expand_cfg): Initialize stack_alignment_estimated to 0. Don't call update_stack_boundary. * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): New. (verride_options): Don't check ix86_force_align_arg_pointer here. (ix86_function_ok_for_sibcall): Use it. (ix86_update_stack_boundary): Likewise. * config/i386/i386.h (STACK_REALIGN_DEFAULT): Update comments. 2009-05-21 H.J. Lu Backport from mainline: 2009-05-21 H.J. Lu Uros Bizjak * config/i386/cpuid.h (bit_MOVBE): New. * config/i386/driver-i386.c (host_detect_local_cpu): Check movbe. * config/i386/i386.c (OPTION_MASK_ISA_MOVBE_SET): New. (OPTION_MASK_ISA_MOVBE_UNSET): Likewise. (ix86_handle_option): Handle OPT_mmovbe. (ix86_target_string): Add -mmovbe. (pta_flags): Add PTA_MOVBE. (processor_alias_table): Add PTA_MOVBE to "atom". (override_options): Handle PTA_MOVBE. * config/i386/i386.h (TARGET_MOVBE): New. * config/i386/i386.md (bswapsi2): Check TARGET_MOVBE. (*bswapsi_movbe): New. (*bswapdi_movbe): Likewise. (bswapdi2): Renamed to ... (*bswapdi_1): This. (bswapdi2): New expander. * config/i386/i386.opt (mmovbe): New. * doc/invoke.texi: Document -mmovbe. 2009-05-20 H.J. Lu Backport from mainline: 2009-05-20 H.J. Lu * config/i386/driver-i386.c (host_detect_local_cpu): Check extended family and model for Intel processors. Support Intel Atom. 2009-04-20 H.J. Lu Backport from mainline: 2009-04-20 Joey Ye Xuepeng Guo H.J. Lu * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count. * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro. (IX86_LEA_PRIORITY): Likewise. (distance_non_agu_define): New function. (distance_agu_use): Likewise. (ix86_lea_for_add_ok): Likewise. (ix86_dep_by_shift_count): Likewise. * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we should split for LEA. * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new function. (ix86_dep_by_shift_count): Likewise. 2009-04-07 H.J. Lu Backport from mainline: 2009-04-07 H.J. Lu * doc/invoke.texi: Document Atom support. 2009-04-06 H.J. Lu * config/i386/i386.md: Revert 2 accidental checkins. 2009-04-06 H.J. Lu Backport from mainline: 2009-04-06 Joey Ye Xuepeng Guo H.J. Lu Atom pipeline model, tuning and insn selection. * config.gcc (atom): Add atom config options and target. * config/i386/atom.md: New. * config/i386/i386.c (atom_cost): New cost. (m_ATOM): New macro flag. (initial_ix86_tune_features): Set m_ATOM. (x86_accumulate_outgoing_args): Likewise. (x86_arch_always_fancy_math_387): Likewise. (processor_target): Add Atom cost. (cpu_names): Add Atom cpu name. (override_options): Set Atom ISA. (ix86_issue_rate): New case PROCESSOR_ATOM. (ix86_adjust_cost): Likewise. * config/i386/i386.h (TARGET_ATOM): New target macro. (ix86_tune_indices): Add X86_TUNE_OPT_AGU. (TARGET_OPT_AGU): New target option. (target_cpu_default): Add TARGET_CPU_DEFAULT_atom. (processor_type): Add PROCESSOR_ATOM. * config/i386/i386.md (cpu): Add new value "atom". (use_carry, movu): New attr. (atom.md): Include atom.md. (adddi3_carry_rex64): Set attr "use_carry". (addqi3_carry): Likewise. (addhi3_carry): Likewise. (addsi3_carry): Likewise. (*addsi3_carry_zext): Likewise. (subdi3_carry_rex64): Likewise. (subqi3_carry): Likewise. (subhi3_carry): Likewise. (subsi3_carry): Likewise. (x86_movdicc_0_m1_rex64): Likewise. (*x86_movdicc_0_m1_se): Likewise. (x86_movsicc_0_m1): Likewise. (*x86_movsicc_0_m1_se): Likewise. (*adddi_1_rex64): Emit add insn as much as possible. (*addsi_1): Likewise. (return_internal): Set atom_unit. (return_internal_long): Likewise. (return_pop_internal): Likewise. (*rcpsf2_sse): Set atom_sse_attr attr. (*qrt2_sse): Likewise. 2009-04-02 H.J. Lu Backport from mainline: 2009-04-02 H.J. Lu * config/i386/i386.c (ix86_abi): Move initialization to ... (override_options): Here. 2009-03-29 H.J. Lu Backport from mainline: 2009-03-29 H.J. Lu * config/i386/i386-protos.h (ix86_agi_dependent): New. * config/i386/i386.c (ix86_agi_dependent): Rewrite. (ix86_adjust_cost): Updated. 2009-03-27 H.J. Lu Backport from mainline: 2009-03-27 H.J. Lu PR target/39472 * config/i386/i386.c (ix86_abi): New. (override_options): Handle -mabi=. (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi. (ix86_call_abi_override): Likewise. (init_cumulative_args): Likewise. (function_arg_advance): Likewise. (function_arg_64): Likewise. (function_arg): Likewise. (ix86_pass_by_reference): Likewise. (ix86_function_value_regno_p): Likewise. (ix86_build_builtin_va_list_abi): Likewise. (setup_incoming_varargs_64): Likewise. (is_va_list_char_pointer): Likewise. (ix86_init_machine_status): Likewise. (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi. (ix86_function_type_abi): Return enum calling_abi. Rewrite for 64bit. Replace DEFAULT_ABI with ix86_abi. (ix86_function_abi): Make it static and return enum calling_abi. (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI with ix86_abi. (ix86_fn_abi_va_list): Updated. * config/i386/i386.h (ix86_abi): New. (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi. (CONDITIONAL_REGISTER_USAGE): Likewise. (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi. (machine_function): Likewise. * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI with ix86_abi. * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise. (STACK_BOUNDARY): Likewise. * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise. * config/i386/i386.opt (mabi=): New. * config/i386/i386-protos.h (ix86_cfun_abi): Changed to return enum calling_abi. (ix86_function_type_abi): Likewise. (ix86_function_abi): Removed. 2009-03-27 H.J. Lu Backport from mainline: 2009-03-27 Vladimir Makarov * genautomata.c: Add a new year to the copyright. Add a new reference. (struct insn_reserv_decl): Add comments for member bypass_list. (find_bypass): Remove. (insert_bypass): New. (process_decls): Use insert_bypass. (output_internal_insn_latency_func): Output all bypasses with the same input insn in one switch case. * rtl.def (define_bypass): Describe bypass choice. * doc/md.texi (define_bypass): Ditto.