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Diffstat (limited to 'gcc-4.4.3/gcc/ChangeLog.ix86')
| -rw-r--r-- | gcc-4.4.3/gcc/ChangeLog.ix86 | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/gcc-4.4.3/gcc/ChangeLog.ix86 b/gcc-4.4.3/gcc/ChangeLog.ix86 new file mode 100644 index 000000000..1f0288190 --- /dev/null +++ b/gcc-4.4.3/gcc/ChangeLog.ix86 @@ -0,0 +1,274 @@ +2010-08-13 H.J. Lu <hongjiu.lu@intel.com> + + Backport from mainline + 2010-02-26 H.J. Lu <hongjiu.lu@intel.com> + + * 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 <hongjiu.lu@intel.com> + + Backport from mainline + 2010-06-22 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.md (unit): Also check sseishft1. + + 2010-06-21 H.J. Lu <hongjiu.lu@intel.com> + + 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 <hongjiu.lu@intel.com> + + Backport from mainline: + 2010-02-22 H.J. Lu <hongjiu.lu@intel.com> + * config/i386/i386.c (initial_ix86_tune_features): Turn on + X86_TUNE_INTER_UNIT_MOVES for m_ATOM. + +2009-10-30 H.J. Lu <hongjiu.lu@intel.com> + + Backport from mainline: + 2009-10-30 H.J. Lu <hongjiu.lu@intel.com> + + 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 <hongjiu.lu@intel.com> + + Backport from mainline: + 2009-05-21 H.J. Lu <hongjiu.lu@intel.com> + Uros Bizjak <ubizjak@gmail.com> + + * 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 <hongjiu.lu@intel.com> + + Backport from mainline: + 2009-05-20 H.J. Lu <hongjiu.lu@intel.com> + + * 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 <hongjiu.lu@intel.com> + + Backport from mainline: + 2009-04-20 Joey Ye <joey.ye@intel.com> + Xuepeng Guo <xuepeng.guo@intel.com> + H.J. Lu <hongjiu.lu@intel.com> + + * 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 <hongjiu.lu@intel.com> + + Backport from mainline: + 2009-04-07 H.J. Lu <hongjiu.lu@intel.com> + + * doc/invoke.texi: Document Atom support. + +2009-04-06 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.md: Revert 2 accidental checkins. + +2009-04-06 H.J. Lu <hongjiu.lu@intel.com> + + Backport from mainline: + 2009-04-06 Joey Ye <joey.ye@intel.com> + Xuepeng Guo <xuepeng.guo@intel.com> + H.J. Lu <hongjiu.lu@intel.com> + + 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. + (*qrt<mode>2_sse): Likewise. + +2009-04-02 H.J. Lu <hongjiu.lu@intel.com> + + Backport from mainline: + 2009-04-02 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.c (ix86_abi): Move initialization to ... + (override_options): Here. + +2009-03-29 H.J. Lu <hongjiu.lu@intel.com> + + Backport from mainline: + 2009-03-29 H.J. Lu <hongjiu.lu@intel.com> + + * 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 <hongjiu.lu@intel.com> + + Backport from mainline: + 2009-03-27 H.J. Lu <hongjiu.lu@intel.com> + + 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 <hongjiu.lu@intel.com> + + Backport from mainline: + 2009-03-27 Vladimir Makarov <vmakarov@redhat.com> + + * 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. |