Hello! > 2012-08-25 Vladimir Yakovlev <vladimir.b.yakov...@intel.com> > > * config/epiphany/epiphany.h (EMIT_MODE_SET): Added an argument. > > * config/i386/i386-protos.h (emit_i387_cw_initialization): > Deleted > (emit_vzero): Added prototype > (ix86_mode_entry): Likewise > (ix86_mode_exit): Likewise > (ix86_emit_mode_set): Likewise. > > * config/i386/i386.c (typedef struct block_info_def): Deleted > (define BLOCK_INFO): Deleted > (check_avx256_stores): Added checking for MEM_P > (move_or_delete_vzeroupper_2): Deleted > (move_or_delete_vzeroupper_1): Deleted > (move_or_delete_vzeroupper): Deleted > (ix86_maybe_emit_epilogue_vzeroupper): Deleted > (function_pass_avx256_p): Deleted > (ix86_function_ok_for_sibcall): Deleted disabling sibcall > (nit_cumulative_args): Deleted initialization of of avx256 fields of > cfun->machine > (ix86_emit_restore_sse_regs_using_mov): Deleted vzeroupper generation > (ix86_expand_epilogue): Likewise > (is_vzeroupper): New > (is_vzeroall): Likewise > (ix86_avx_u128_mode_needed): Likewise > (x86_mode_needed): Addad a switch case for AVX_U128 > (x86_avx_u128_mode_after): New > (x86_mode_after): Likewise > (ix86_avx_u128_mode_entry): Likewise > (ix86_mode_entry): Likewise > (x86_avx_u128_mode_exit): Likewise > (ix86_mode_exit): Likewise > (x86_emit_vzeroupper): Likewise > (ix86_emit_mode_set): Likewise > (x86_expand_call): Deleted vzeroupper generation > (ix86_split_call_vzeroupper): Deleted > (x86_init_machine_status): Initialzed optimize_mode_switching > (ix86_expand_special_args_builtin): Changed > (ix86_reorg): Deletd a call of move_or_delete_vzeroupper. > > * config/i386/i386.h (AVX_U128): New > (NUM_MODES_FOR_MODE_SWITCHING): Added AVX_U128_ANY > (MODE_AFTER): New > (MODE_ENTRY): Likewise > (MODE_EXIT): Likewise > (EMIT_MODE_SET): Changed > (machine_function): Deleted avx256 fields. > > * config/i386/i386.md (UNSPEC_CALL_NEEDS_VZEROUPPER): Deleted > (define_insn_and_split "*call_vzeroupper): Likewise. > (define_insn_and_split "*call_rex64_ms_sysv_vzeroupper"): Likewise > (define_insn_and_split "*sibcall_vzeroupper"): Likewise > (define_insn_and_split "*call_pop_vzeroupper"): Likewise > (define_insn_and_split "*sibcall_pop_vzeroupper"): Likewise > (define_insn_and_split "*call_value_vzeroupper"): Likewise > (define_insn_and_split "*sibcall_value_vzeroupper"): Likewise > (define_insn_and_split "*call_value_rex64_ms_sysv_vzeroupper"): > Likewise > (define_insn_and_split "*call_value_pop_vzeroupper"): Likewise > (define_insn_and_split "*sibcall_value_pop_vzeroupper"): Likewise > (define_expand "return"): Delete vzeroupper emitting > (define_expand "simple_return"): Likewise. > > * config/sh/sh.h (MODE_AFTER): Added an argument > (EMIT_MODE_SET): Likewise. > > * mode-switching.c (transp): Changed type > (make_preds_opaque): Added an argument > (optimize_mode_switching): Added code for VZEROUPPER elemination. > > 2012-08-20 Vladimir Yakovlev <vladimir.b.yakov...@intel.com> > > * gcc.target/i386/avx-vzeroupper-5.c: Changed scan-assembler-times > gcc.target/i386/avx-vzeroupper-8.c: Likewise > gcc.target/i386/avx-vzeroupper-9.c: Likewise > gcc.target/i386/avx-vzeroupper-10.c: Likewise > gcc.target/i386/avx-vzeroupper-11.c: Likewise > gcc.target/i386/avx-vzeroupper-12.c: Likewise
Please split middle-end changes and improvements out of the patch to discuss these changes with middle-end people first. After these changes are approved, we will proceed with target-dependent changes. Uros.
