Mercurial > hg > CbC > CbC_gcc
view gcc/common/config/i386/i386-common.c @ 111:04ced10e8804
gcc 7
| author | kono |
|---|---|
| date | Fri, 27 Oct 2017 22:46:09 +0900 |
| parents | |
| children | 84e7813d76e9 |
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/* IA-32 common hooks. Copyright (C) 1988-2017 Free Software Foundation, Inc. This file is part of GCC. GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GCC; see the file COPYING3. If not see <http://www.gnu.org/licenses/>. */ #include "config.h" #include "system.h" #include "coretypes.h" #include "diagnostic-core.h" #include "tm.h" #include "memmodel.h" #include "tm_p.h" #include "common/common-target.h" #include "common/common-target-def.h" #include "opts.h" #include "flags.h" /* Define a set of ISAs which are available when a given ISA is enabled. MMX and SSE ISAs are handled separately. */ #define OPTION_MASK_ISA_MMX_SET OPTION_MASK_ISA_MMX #define OPTION_MASK_ISA_3DNOW_SET \ (OPTION_MASK_ISA_3DNOW | OPTION_MASK_ISA_MMX_SET) #define OPTION_MASK_ISA_3DNOW_A_SET \ (OPTION_MASK_ISA_3DNOW_A | OPTION_MASK_ISA_3DNOW_SET) #define OPTION_MASK_ISA_SSE_SET OPTION_MASK_ISA_SSE #define OPTION_MASK_ISA_SSE2_SET \ (OPTION_MASK_ISA_SSE2 | OPTION_MASK_ISA_SSE_SET) #define OPTION_MASK_ISA_SSE3_SET \ (OPTION_MASK_ISA_SSE3 | OPTION_MASK_ISA_SSE2_SET) #define OPTION_MASK_ISA_SSSE3_SET \ (OPTION_MASK_ISA_SSSE3 | OPTION_MASK_ISA_SSE3_SET) #define OPTION_MASK_ISA_SSE4_1_SET \ (OPTION_MASK_ISA_SSE4_1 | OPTION_MASK_ISA_SSSE3_SET) #define OPTION_MASK_ISA_SSE4_2_SET \ (OPTION_MASK_ISA_SSE4_2 | OPTION_MASK_ISA_SSE4_1_SET) #define OPTION_MASK_ISA_AVX_SET \ (OPTION_MASK_ISA_AVX | OPTION_MASK_ISA_SSE4_2_SET \ | OPTION_MASK_ISA_XSAVE_SET) #define OPTION_MASK_ISA_FMA_SET \ (OPTION_MASK_ISA_FMA | OPTION_MASK_ISA_AVX_SET) #define OPTION_MASK_ISA_AVX2_SET \ (OPTION_MASK_ISA_AVX2 | OPTION_MASK_ISA_AVX_SET) #define OPTION_MASK_ISA_FXSR_SET OPTION_MASK_ISA_FXSR #define OPTION_MASK_ISA_XSAVE_SET OPTION_MASK_ISA_XSAVE #define OPTION_MASK_ISA_XSAVEOPT_SET \ (OPTION_MASK_ISA_XSAVEOPT | OPTION_MASK_ISA_XSAVE) #define OPTION_MASK_ISA_AVX512F_SET \ (OPTION_MASK_ISA_AVX512F | OPTION_MASK_ISA_AVX2_SET) #define OPTION_MASK_ISA_AVX512CD_SET \ (OPTION_MASK_ISA_AVX512CD | OPTION_MASK_ISA_AVX512F_SET) #define OPTION_MASK_ISA_AVX512PF_SET \ (OPTION_MASK_ISA_AVX512PF | OPTION_MASK_ISA_AVX512F_SET) #define OPTION_MASK_ISA_AVX512ER_SET \ (OPTION_MASK_ISA_AVX512ER | OPTION_MASK_ISA_AVX512F_SET) #define OPTION_MASK_ISA_AVX512DQ_SET \ (OPTION_MASK_ISA_AVX512DQ | OPTION_MASK_ISA_AVX512F_SET) #define OPTION_MASK_ISA_AVX512BW_SET \ (OPTION_MASK_ISA_AVX512BW | OPTION_MASK_ISA_AVX512F_SET) #define OPTION_MASK_ISA_AVX512VL_SET \ (OPTION_MASK_ISA_AVX512VL | OPTION_MASK_ISA_AVX512F_SET) #define OPTION_MASK_ISA_AVX512IFMA_SET \ (OPTION_MASK_ISA_AVX512IFMA | OPTION_MASK_ISA_AVX512F_SET) #define OPTION_MASK_ISA_AVX512VBMI_SET \ (OPTION_MASK_ISA_AVX512VBMI | OPTION_MASK_ISA_AVX512BW_SET) #define OPTION_MASK_ISA_AVX5124FMAPS_SET OPTION_MASK_ISA_AVX5124FMAPS #define OPTION_MASK_ISA_AVX5124VNNIW_SET OPTION_MASK_ISA_AVX5124VNNIW #define OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET OPTION_MASK_ISA_AVX512VPOPCNTDQ #define OPTION_MASK_ISA_RTM_SET OPTION_MASK_ISA_RTM #define OPTION_MASK_ISA_PRFCHW_SET OPTION_MASK_ISA_PRFCHW #define OPTION_MASK_ISA_RDSEED_SET OPTION_MASK_ISA_RDSEED #define OPTION_MASK_ISA_ADX_SET OPTION_MASK_ISA_ADX #define OPTION_MASK_ISA_PREFETCHWT1_SET OPTION_MASK_ISA_PREFETCHWT1 #define OPTION_MASK_ISA_CLFLUSHOPT_SET OPTION_MASK_ISA_CLFLUSHOPT #define OPTION_MASK_ISA_XSAVES_SET \ (OPTION_MASK_ISA_XSAVES | OPTION_MASK_ISA_XSAVE) #define OPTION_MASK_ISA_XSAVEC_SET \ (OPTION_MASK_ISA_XSAVEC | OPTION_MASK_ISA_XSAVE) #define OPTION_MASK_ISA_CLWB_SET OPTION_MASK_ISA_CLWB /* SSE4 includes both SSE4.1 and SSE4.2. -msse4 should be the same as -msse4.2. */ #define OPTION_MASK_ISA_SSE4_SET OPTION_MASK_ISA_SSE4_2_SET #define OPTION_MASK_ISA_SSE4A_SET \ (OPTION_MASK_ISA_SSE4A | OPTION_MASK_ISA_SSE3_SET) #define OPTION_MASK_ISA_FMA4_SET \ (OPTION_MASK_ISA_FMA4 | OPTION_MASK_ISA_SSE4A_SET \ | OPTION_MASK_ISA_AVX_SET) #define OPTION_MASK_ISA_XOP_SET \ (OPTION_MASK_ISA_XOP | OPTION_MASK_ISA_FMA4_SET) #define OPTION_MASK_ISA_LWP_SET \ OPTION_MASK_ISA_LWP /* AES, SHA and PCLMUL need SSE2 because they use xmm registers. */ #define OPTION_MASK_ISA_AES_SET \ (OPTION_MASK_ISA_AES | OPTION_MASK_ISA_SSE2_SET) #define OPTION_MASK_ISA_SHA_SET \ (OPTION_MASK_ISA_SHA | OPTION_MASK_ISA_SSE2_SET) #define OPTION_MASK_ISA_PCLMUL_SET \ (OPTION_MASK_ISA_PCLMUL | OPTION_MASK_ISA_SSE2_SET) #define OPTION_MASK_ISA_ABM_SET \ (OPTION_MASK_ISA_ABM | OPTION_MASK_ISA_POPCNT) #define OPTION_MASK_ISA_SGX_SET OPTION_MASK_ISA_SGX #define OPTION_MASK_ISA_BMI_SET OPTION_MASK_ISA_BMI #define OPTION_MASK_ISA_BMI2_SET OPTION_MASK_ISA_BMI2 #define OPTION_MASK_ISA_LZCNT_SET OPTION_MASK_ISA_LZCNT #define OPTION_MASK_ISA_TBM_SET OPTION_MASK_ISA_TBM #define OPTION_MASK_ISA_POPCNT_SET OPTION_MASK_ISA_POPCNT #define OPTION_MASK_ISA_CX16_SET OPTION_MASK_ISA_CX16 #define OPTION_MASK_ISA_SAHF_SET OPTION_MASK_ISA_SAHF #define OPTION_MASK_ISA_MOVBE_SET OPTION_MASK_ISA_MOVBE #define OPTION_MASK_ISA_CRC32_SET OPTION_MASK_ISA_CRC32 #define OPTION_MASK_ISA_FSGSBASE_SET OPTION_MASK_ISA_FSGSBASE #define OPTION_MASK_ISA_RDRND_SET OPTION_MASK_ISA_RDRND #define OPTION_MASK_ISA_F16C_SET \ (OPTION_MASK_ISA_F16C | OPTION_MASK_ISA_AVX_SET) #define OPTION_MASK_ISA_MWAITX_SET OPTION_MASK_ISA_MWAITX #define OPTION_MASK_ISA_CLZERO_SET OPTION_MASK_ISA_CLZERO #define OPTION_MASK_ISA_PKU_SET OPTION_MASK_ISA_PKU #define OPTION_MASK_ISA_RDPID_SET OPTION_MASK_ISA_RDPID #define OPTION_MASK_ISA_GFNI_SET OPTION_MASK_ISA_GFNI #define OPTION_MASK_ISA_IBT_SET OPTION_MASK_ISA_IBT #define OPTION_MASK_ISA_SHSTK_SET OPTION_MASK_ISA_SHSTK /* Define a set of ISAs which aren't available when a given ISA is disabled. MMX and SSE ISAs are handled separately. */ #define OPTION_MASK_ISA_MMX_UNSET \ (OPTION_MASK_ISA_MMX | OPTION_MASK_ISA_3DNOW_UNSET) #define OPTION_MASK_ISA_3DNOW_UNSET \ (OPTION_MASK_ISA_3DNOW | OPTION_MASK_ISA_3DNOW_A_UNSET) #define OPTION_MASK_ISA_3DNOW_A_UNSET OPTION_MASK_ISA_3DNOW_A #define OPTION_MASK_ISA_SSE_UNSET \ (OPTION_MASK_ISA_SSE | OPTION_MASK_ISA_SSE2_UNSET) #define OPTION_MASK_ISA_SSE2_UNSET \ (OPTION_MASK_ISA_SSE2 | OPTION_MASK_ISA_SSE3_UNSET) #define OPTION_MASK_ISA_SSE3_UNSET \ (OPTION_MASK_ISA_SSE3 \ | OPTION_MASK_ISA_SSSE3_UNSET \ | OPTION_MASK_ISA_SSE4A_UNSET ) #define OPTION_MASK_ISA_SSSE3_UNSET \ (OPTION_MASK_ISA_SSSE3 | OPTION_MASK_ISA_SSE4_1_UNSET) #define OPTION_MASK_ISA_SSE4_1_UNSET \ (OPTION_MASK_ISA_SSE4_1 | OPTION_MASK_ISA_SSE4_2_UNSET) #define OPTION_MASK_ISA_SSE4_2_UNSET \ (OPTION_MASK_ISA_SSE4_2 | OPTION_MASK_ISA_AVX_UNSET ) #define OPTION_MASK_ISA_AVX_UNSET \ (OPTION_MASK_ISA_AVX | OPTION_MASK_ISA_FMA_UNSET \ | OPTION_MASK_ISA_FMA4_UNSET | OPTION_MASK_ISA_F16C_UNSET \ | OPTION_MASK_ISA_AVX2_UNSET | OPTION_MASK_ISA_XSAVE_UNSET) #define OPTION_MASK_ISA_FMA_UNSET OPTION_MASK_ISA_FMA #define OPTION_MASK_ISA_FXSR_UNSET OPTION_MASK_ISA_FXSR #define OPTION_MASK_ISA_XSAVE_UNSET \ (OPTION_MASK_ISA_XSAVE | OPTION_MASK_ISA_XSAVEOPT_UNSET) #define OPTION_MASK_ISA_XSAVEOPT_UNSET OPTION_MASK_ISA_XSAVEOPT #define OPTION_MASK_ISA_AVX2_UNSET \ (OPTION_MASK_ISA_AVX2 | OPTION_MASK_ISA_AVX512F_UNSET) #define OPTION_MASK_ISA_AVX512F_UNSET \ (OPTION_MASK_ISA_AVX512F | OPTION_MASK_ISA_AVX512CD_UNSET \ | OPTION_MASK_ISA_AVX512PF_UNSET | OPTION_MASK_ISA_AVX512ER_UNSET \ | OPTION_MASK_ISA_AVX512DQ_UNSET | OPTION_MASK_ISA_AVX512BW_UNSET \ | OPTION_MASK_ISA_AVX512VL_UNSET) #define OPTION_MASK_ISA_AVX512CD_UNSET OPTION_MASK_ISA_AVX512CD #define OPTION_MASK_ISA_AVX512PF_UNSET OPTION_MASK_ISA_AVX512PF #define OPTION_MASK_ISA_AVX512ER_UNSET OPTION_MASK_ISA_AVX512ER #define OPTION_MASK_ISA_AVX512DQ_UNSET OPTION_MASK_ISA_AVX512DQ #define OPTION_MASK_ISA_AVX512BW_UNSET \ (OPTION_MASK_ISA_AVX512BW | OPTION_MASK_ISA_AVX512VBMI_UNSET) #define OPTION_MASK_ISA_AVX512VL_UNSET OPTION_MASK_ISA_AVX512VL #define OPTION_MASK_ISA_AVX512IFMA_UNSET OPTION_MASK_ISA_AVX512IFMA #define OPTION_MASK_ISA_AVX512VBMI_UNSET OPTION_MASK_ISA_AVX512VBMI #define OPTION_MASK_ISA_AVX5124FMAPS_UNSET OPTION_MASK_ISA_AVX5124FMAPS #define OPTION_MASK_ISA_AVX5124VNNIW_UNSET OPTION_MASK_ISA_AVX5124VNNIW #define OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET OPTION_MASK_ISA_AVX512VPOPCNTDQ #define OPTION_MASK_ISA_RTM_UNSET OPTION_MASK_ISA_RTM #define OPTION_MASK_ISA_PRFCHW_UNSET OPTION_MASK_ISA_PRFCHW #define OPTION_MASK_ISA_RDSEED_UNSET OPTION_MASK_ISA_RDSEED #define OPTION_MASK_ISA_ADX_UNSET OPTION_MASK_ISA_ADX #define OPTION_MASK_ISA_PREFETCHWT1_UNSET OPTION_MASK_ISA_PREFETCHWT1 #define OPTION_MASK_ISA_CLFLUSHOPT_UNSET OPTION_MASK_ISA_CLFLUSHOPT #define OPTION_MASK_ISA_XSAVEC_UNSET OPTION_MASK_ISA_XSAVEC #define OPTION_MASK_ISA_XSAVES_UNSET OPTION_MASK_ISA_XSAVES #define OPTION_MASK_ISA_CLWB_UNSET OPTION_MASK_ISA_CLWB #define OPTION_MASK_ISA_MWAITX_UNSET OPTION_MASK_ISA_MWAITX #define OPTION_MASK_ISA_CLZERO_UNSET OPTION_MASK_ISA_CLZERO #define OPTION_MASK_ISA_PKU_UNSET OPTION_MASK_ISA_PKU #define OPTION_MASK_ISA_RDPID_UNSET OPTION_MASK_ISA_RDPID #define OPTION_MASK_ISA_GFNI_UNSET OPTION_MASK_ISA_GFNI #define OPTION_MASK_ISA_IBT_UNSET OPTION_MASK_ISA_IBT #define OPTION_MASK_ISA_SHSTK_UNSET OPTION_MASK_ISA_SHSTK /* SSE4 includes both SSE4.1 and SSE4.2. -mno-sse4 should the same as -mno-sse4.1. */ #define OPTION_MASK_ISA_SSE4_UNSET OPTION_MASK_ISA_SSE4_1_UNSET #define OPTION_MASK_ISA_SSE4A_UNSET \ (OPTION_MASK_ISA_SSE4A | OPTION_MASK_ISA_FMA4_UNSET) #define OPTION_MASK_ISA_FMA4_UNSET \ (OPTION_MASK_ISA_FMA4 | OPTION_MASK_ISA_XOP_UNSET) #define OPTION_MASK_ISA_XOP_UNSET OPTION_MASK_ISA_XOP #define OPTION_MASK_ISA_LWP_UNSET OPTION_MASK_ISA_LWP #define OPTION_MASK_ISA_AES_UNSET OPTION_MASK_ISA_AES #define OPTION_MASK_ISA_SHA_UNSET OPTION_MASK_ISA_SHA #define OPTION_MASK_ISA_PCLMUL_UNSET OPTION_MASK_ISA_PCLMUL #define OPTION_MASK_ISA_ABM_UNSET OPTION_MASK_ISA_ABM #define OPTION_MASK_ISA_SGX_UNSET OPTION_MASK_ISA_SGX #define OPTION_MASK_ISA_BMI_UNSET OPTION_MASK_ISA_BMI #define OPTION_MASK_ISA_BMI2_UNSET OPTION_MASK_ISA_BMI2 #define OPTION_MASK_ISA_LZCNT_UNSET OPTION_MASK_ISA_LZCNT #define OPTION_MASK_ISA_TBM_UNSET OPTION_MASK_ISA_TBM #define OPTION_MASK_ISA_POPCNT_UNSET OPTION_MASK_ISA_POPCNT #define OPTION_MASK_ISA_CX16_UNSET OPTION_MASK_ISA_CX16 #define OPTION_MASK_ISA_SAHF_UNSET OPTION_MASK_ISA_SAHF #define OPTION_MASK_ISA_MOVBE_UNSET OPTION_MASK_ISA_MOVBE #define OPTION_MASK_ISA_CRC32_UNSET OPTION_MASK_ISA_CRC32 #define OPTION_MASK_ISA_FSGSBASE_UNSET OPTION_MASK_ISA_FSGSBASE #define OPTION_MASK_ISA_RDRND_UNSET OPTION_MASK_ISA_RDRND #define OPTION_MASK_ISA_F16C_UNSET OPTION_MASK_ISA_F16C #define OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET \ (OPTION_MASK_ISA_MMX_UNSET \ | OPTION_MASK_ISA_SSE_UNSET \ | OPTION_MASK_ISA_MPX) /* Implement TARGET_HANDLE_OPTION. */ bool ix86_handle_option (struct gcc_options *opts, struct gcc_options *opts_set ATTRIBUTE_UNUSED, const struct cl_decoded_option *decoded, location_t loc) { size_t code = decoded->opt_index; int value = decoded->value; switch (code) { case OPT_mgeneral_regs_only: if (value) { /* Disable MPX, MMX, SSE and x87 instructions if only general registers are allowed. */ opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET; opts->x_target_flags &= ~MASK_80387; } else gcc_unreachable (); return true; case OPT_mmmx: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_MMX_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_MMX_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_MMX_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_MMX_UNSET; } return true; case OPT_m3dnow: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_3DNOW_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_3DNOW_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_3DNOW_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_3DNOW_UNSET; } return true; case OPT_m3dnowa: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_3DNOW_A_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_3DNOW_A_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_3DNOW_A_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_3DNOW_A_UNSET; } return true; case OPT_msse: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_SSE_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_SSE_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_SSE_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_SSE_UNSET; } return true; case OPT_msse2: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_SSE2_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_SSE2_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_SSE2_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_SSE2_UNSET; } return true; case OPT_msse3: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_SSE3_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_SSE3_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_SSE3_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_SSE3_UNSET; } return true; case OPT_mssse3: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_SSSE3_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_SSSE3_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_SSSE3_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_SSSE3_UNSET; } return true; case OPT_msse4_1: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_SSE4_1_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_SSE4_1_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_SSE4_1_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_SSE4_1_UNSET; } return true; case OPT_msse4_2: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_SSE4_2_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_SSE4_2_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_SSE4_2_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_SSE4_2_UNSET; } return true; case OPT_mavx: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_AVX_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AVX_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_AVX_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AVX_UNSET; } return true; case OPT_mavx2: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_AVX2_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AVX2_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_AVX2_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AVX2_UNSET; } return true; case OPT_mavx512f: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_AVX512F_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AVX512F_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_AVX512F_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AVX512F_UNSET; /* Turn off additional isa flags. */ opts->x_ix86_isa_flags2 &= ~OPTION_MASK_ISA_AVX5124FMAPS_UNSET; opts->x_ix86_isa_flags2_explicit |= OPTION_MASK_ISA_AVX5124FMAPS_UNSET; opts->x_ix86_isa_flags2 &= ~OPTION_MASK_ISA_AVX5124VNNIW_UNSET; opts->x_ix86_isa_flags2_explicit |= OPTION_MASK_ISA_AVX5124VNNIW_UNSET; opts->x_ix86_isa_flags2 &= ~OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET; opts->x_ix86_isa_flags2_explicit |= OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET; } return true; case OPT_mavx512cd: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_AVX512CD_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AVX512CD_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_AVX512CD_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AVX512CD_UNSET; } return true; case OPT_mavx512pf: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_AVX512PF_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AVX512PF_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_AVX512PF_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AVX512PF_UNSET; } return true; case OPT_mavx512er: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_AVX512ER_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AVX512ER_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_AVX512ER_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AVX512ER_UNSET; } return true; case OPT_mrdpid: if (value) { opts->x_ix86_isa_flags2 |= OPTION_MASK_ISA_RDPID_SET; opts->x_ix86_isa_flags2_explicit |= OPTION_MASK_ISA_RDPID_SET; } else { opts->x_ix86_isa_flags2 &= ~OPTION_MASK_ISA_RDPID_UNSET; opts->x_ix86_isa_flags2_explicit |= OPTION_MASK_ISA_RDPID_UNSET; } return true; case OPT_mgfni: if (value) { opts->x_ix86_isa_flags2 |= OPTION_MASK_ISA_GFNI_SET; opts->x_ix86_isa_flags2_explicit |= OPTION_MASK_ISA_GFNI_SET; } else { opts->x_ix86_isa_flags2 &= ~OPTION_MASK_ISA_GFNI_UNSET; opts->x_ix86_isa_flags2_explicit |= OPTION_MASK_ISA_GFNI_UNSET; } return true; case OPT_mcet: case OPT_mibt: if (value) { opts->x_ix86_isa_flags2 |= OPTION_MASK_ISA_IBT_SET; opts->x_ix86_isa_flags2_explicit |= OPTION_MASK_ISA_IBT_SET; } else { opts->x_ix86_isa_flags2 &= ~OPTION_MASK_ISA_IBT_UNSET; opts->x_ix86_isa_flags2_explicit |= OPTION_MASK_ISA_IBT_UNSET; } if (code != OPT_mcet) return true; /* fall through. */ case OPT_mshstk: if (value) { opts->x_ix86_isa_flags2 |= OPTION_MASK_ISA_SHSTK_SET; opts->x_ix86_isa_flags2_explicit |= OPTION_MASK_ISA_SHSTK_SET; } else { opts->x_ix86_isa_flags2 &= ~OPTION_MASK_ISA_SHSTK_UNSET; opts->x_ix86_isa_flags2_explicit |= OPTION_MASK_ISA_SHSTK_UNSET; } return true; case OPT_mavx5124fmaps: if (value) { opts->x_ix86_isa_flags2 |= OPTION_MASK_ISA_AVX5124FMAPS_SET; opts->x_ix86_isa_flags2_explicit |= OPTION_MASK_ISA_AVX5124FMAPS_SET; opts->x_ix86_isa_flags |= OPTION_MASK_ISA_AVX512F_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AVX512F_SET; } else { opts->x_ix86_isa_flags2 &= ~OPTION_MASK_ISA_AVX5124FMAPS_UNSET; opts->x_ix86_isa_flags2_explicit |= OPTION_MASK_ISA_AVX5124FMAPS_UNSET; } return true; case OPT_mavx5124vnniw: if (value) { opts->x_ix86_isa_flags2 |= OPTION_MASK_ISA_AVX5124VNNIW_SET; opts->x_ix86_isa_flags2_explicit |= OPTION_MASK_ISA_AVX5124VNNIW_SET; opts->x_ix86_isa_flags |= OPTION_MASK_ISA_AVX512F_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AVX512F_SET; } else { opts->x_ix86_isa_flags2 &= ~OPTION_MASK_ISA_AVX5124VNNIW_UNSET; opts->x_ix86_isa_flags2_explicit |= OPTION_MASK_ISA_AVX5124VNNIW_UNSET; } return true; case OPT_mavx512vpopcntdq: if (value) { opts->x_ix86_isa_flags2 |= OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET; opts->x_ix86_isa_flags2_explicit |= OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET; opts->x_ix86_isa_flags |= OPTION_MASK_ISA_AVX512F_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AVX512F_SET; } else { opts->x_ix86_isa_flags2 &= ~OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET; opts->x_ix86_isa_flags2_explicit |= OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET; } return true; case OPT_msgx: if (value) { opts->x_ix86_isa_flags2 |= OPTION_MASK_ISA_SGX_SET; opts->x_ix86_isa_flags2_explicit |= OPTION_MASK_ISA_SGX_SET; } else { opts->x_ix86_isa_flags2 &= ~OPTION_MASK_ISA_SGX_UNSET; opts->x_ix86_isa_flags2_explicit |= OPTION_MASK_ISA_SGX_UNSET; } return true; case OPT_mavx512dq: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_AVX512DQ_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AVX512DQ_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_AVX512DQ_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AVX512DQ_UNSET; } return true; case OPT_mavx512bw: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_AVX512BW_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AVX512BW_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_AVX512BW_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AVX512BW_UNSET; } return true; case OPT_mavx512vl: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_AVX512VL_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AVX512VL_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_AVX512VL_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AVX512VL_UNSET; } return true; case OPT_mavx512ifma: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_AVX512IFMA_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AVX512IFMA_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_AVX512IFMA_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AVX512IFMA_UNSET; } return true; case OPT_mavx512vbmi: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_AVX512VBMI_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AVX512VBMI_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_AVX512VBMI_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AVX512VBMI_UNSET; } return true; case OPT_mfma: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_FMA_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_FMA_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_FMA_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_FMA_UNSET; } return true; case OPT_mrtm: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_RTM_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_RTM_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_RTM_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_RTM_UNSET; } return true; case OPT_msse4: opts->x_ix86_isa_flags |= OPTION_MASK_ISA_SSE4_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_SSE4_SET; return true; case OPT_mno_sse4: opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_SSE4_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_SSE4_UNSET; return true; case OPT_msse4a: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_SSE4A_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_SSE4A_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_SSE4A_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_SSE4A_UNSET; } return true; case OPT_mfma4: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_FMA4_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_FMA4_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_FMA4_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_FMA4_UNSET; } return true; case OPT_mxop: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_XOP_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_XOP_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_XOP_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_XOP_UNSET; } return true; case OPT_mlwp: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_LWP_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_LWP_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_LWP_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_LWP_UNSET; } return true; case OPT_mabm: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_ABM_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_ABM_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_ABM_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_ABM_UNSET; } return true; case OPT_mbmi: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_BMI_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_BMI_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_BMI_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_BMI_UNSET; } return true; case OPT_mbmi2: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_BMI2_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_BMI2_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_BMI2_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_BMI2_UNSET; } return true; case OPT_mlzcnt: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_LZCNT_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_LZCNT_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_LZCNT_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_LZCNT_UNSET; } return true; case OPT_mtbm: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_TBM_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_TBM_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_TBM_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_TBM_UNSET; } return true; case OPT_mpopcnt: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_POPCNT_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_POPCNT_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_POPCNT_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_POPCNT_UNSET; } return true; case OPT_msahf: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_SAHF_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_SAHF_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_SAHF_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_SAHF_UNSET; } return true; case OPT_mcx16: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_CX16_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_CX16_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_CX16_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_CX16_UNSET; } return true; case OPT_mmovbe: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_MOVBE_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_MOVBE_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_MOVBE_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_MOVBE_UNSET; } return true; case OPT_mcrc32: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_CRC32_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_CRC32_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_CRC32_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_CRC32_UNSET; } return true; case OPT_maes: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_AES_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AES_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_AES_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AES_UNSET; } return true; case OPT_msha: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_SHA_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_SHA_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_SHA_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_SHA_UNSET; } return true; case OPT_mpclmul: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_PCLMUL_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_PCLMUL_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_PCLMUL_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_PCLMUL_UNSET; } return true; case OPT_mfsgsbase: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_FSGSBASE_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_FSGSBASE_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_FSGSBASE_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_FSGSBASE_UNSET; } return true; case OPT_mrdrnd: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_RDRND_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_RDRND_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_RDRND_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_RDRND_UNSET; } return true; case OPT_mf16c: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_F16C_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_F16C_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_F16C_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_F16C_UNSET; } return true; case OPT_mfxsr: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_FXSR_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_FXSR_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_FXSR_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_FXSR_UNSET; } return true; case OPT_mxsave: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_XSAVE_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_XSAVE_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_XSAVE_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_XSAVE_UNSET; } return true; case OPT_mxsaveopt: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_XSAVEOPT_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_XSAVEOPT_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_XSAVEOPT_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_XSAVEOPT_UNSET; } return true; case OPT_mxsavec: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_XSAVEC_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_XSAVEC_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_XSAVEC_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_XSAVEC_UNSET; } return true; case OPT_mxsaves: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_XSAVES_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_XSAVES_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_XSAVES_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_XSAVES_UNSET; } return true; case OPT_mrdseed: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_RDSEED_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_RDSEED_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_RDSEED_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_RDSEED_UNSET; } return true; case OPT_mprfchw: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_PRFCHW_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_PRFCHW_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_PRFCHW_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_PRFCHW_UNSET; } return true; case OPT_madx: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_ADX_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_ADX_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_ADX_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_ADX_UNSET; } return true; case OPT_mprefetchwt1: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_PREFETCHWT1_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_PREFETCHWT1_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_PREFETCHWT1_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_PREFETCHWT1_UNSET; } return true; case OPT_mclflushopt: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_CLFLUSHOPT_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_CLFLUSHOPT_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_CLFLUSHOPT_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_CLFLUSHOPT_UNSET; } return true; case OPT_mclwb: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_CLWB_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_CLWB_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_CLWB_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_CLWB_UNSET; } return true; case OPT_mmwaitx: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_MWAITX_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_MWAITX_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_MWAITX_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_MWAITX_UNSET; } return true; case OPT_mclzero: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_CLZERO_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_CLZERO_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_CLZERO_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_CLZERO_UNSET; } return true; case OPT_mpku: if (value) { opts->x_ix86_isa_flags |= OPTION_MASK_ISA_PKU_SET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_PKU_SET; } else { opts->x_ix86_isa_flags &= ~OPTION_MASK_ISA_PKU_UNSET; opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_PKU_UNSET; } return true; /* Comes from final.c -- no real reason to change it. */ #define MAX_CODE_ALIGN 16 case OPT_malign_loops_: warning_at (loc, 0, "-malign-loops is obsolete, use -falign-loops"); if (value > MAX_CODE_ALIGN) error_at (loc, "-malign-loops=%d is not between 0 and %d", value, MAX_CODE_ALIGN); else opts->x_align_loops = 1 << value; return true; case OPT_malign_jumps_: warning_at (loc, 0, "-malign-jumps is obsolete, use -falign-jumps"); if (value > MAX_CODE_ALIGN) error_at (loc, "-malign-jumps=%d is not between 0 and %d", value, MAX_CODE_ALIGN); else opts->x_align_jumps = 1 << value; return true; case OPT_malign_functions_: warning_at (loc, 0, "-malign-functions is obsolete, use -falign-functions"); if (value > MAX_CODE_ALIGN) error_at (loc, "-malign-functions=%d is not between 0 and %d", value, MAX_CODE_ALIGN); else opts->x_align_functions = 1 << value; return true; case OPT_mbranch_cost_: if (value > 5) { error_at (loc, "-mbranch-cost=%d is not between 0 and 5", value); opts->x_ix86_branch_cost = 5; } return true; default: return true; } } static const struct default_options ix86_option_optimization_table[] = { /* Enable redundant extension instructions removal at -O2 and higher. */ { OPT_LEVELS_2_PLUS, OPT_free, NULL, 1 }, /* Enable function splitting at -O2 and higher. */ { OPT_LEVELS_2_PLUS, OPT_freorder_blocks_and_partition, NULL, 1 }, /* The STC algorithm produces the smallest code at -Os, for x86. */ { OPT_LEVELS_2_PLUS, OPT_freorder_blocks_algorithm_, NULL, REORDER_BLOCKS_ALGORITHM_STC }, /* Turn off -fschedule-insns by default. It tends to make the problem with not enough registers even worse. */ { OPT_LEVELS_ALL, OPT_fschedule_insns, NULL, 0 }, #ifdef SUBTARGET_OPTIMIZATION_OPTIONS SUBTARGET_OPTIMIZATION_OPTIONS, #endif { OPT_LEVELS_NONE, 0, NULL, 0 } }; /* Implement TARGET_OPTION_INIT_STRUCT. */ static void ix86_option_init_struct (struct gcc_options *opts) { if (TARGET_MACHO) /* The Darwin libraries never set errno, so we might as well avoid calling them when that's the only reason we would. */ opts->x_flag_errno_math = 0; opts->x_flag_pcc_struct_return = 2; opts->x_flag_asynchronous_unwind_tables = 2; } /* On the x86 -fsplit-stack and -fstack-protector both use the same field in the TCB, so they can not be used together. */ static bool ix86_supports_split_stack (bool report ATTRIBUTE_UNUSED, struct gcc_options *opts ATTRIBUTE_UNUSED) { bool ret = true; #ifndef TARGET_THREAD_SPLIT_STACK_OFFSET if (report) error ("%<-fsplit-stack%> currently only supported on GNU/Linux"); ret = false; #else if (!HAVE_GAS_CFI_PERSONALITY_DIRECTIVE) { if (report) error ("%<-fsplit-stack%> requires " "assembler support for CFI directives"); ret = false; } #endif return ret; } /* Implement TARGET_EXCEPT_UNWIND_INFO. */ static enum unwind_info_type i386_except_unwind_info (struct gcc_options *opts) { /* Honor the --enable-sjlj-exceptions configure switch. */ #ifdef CONFIG_SJLJ_EXCEPTIONS if (CONFIG_SJLJ_EXCEPTIONS) return UI_SJLJ; #endif /* On windows 64, prefer SEH exceptions over anything else. */ if (TARGET_64BIT && DEFAULT_ABI == MS_ABI && opts->x_flag_unwind_tables) return UI_SEH; if (DWARF2_UNWIND_INFO) return UI_DWARF2; return UI_SJLJ; } #undef TARGET_EXCEPT_UNWIND_INFO #define TARGET_EXCEPT_UNWIND_INFO i386_except_unwind_info #undef TARGET_DEFAULT_TARGET_FLAGS #define TARGET_DEFAULT_TARGET_FLAGS \ (TARGET_DEFAULT \ | TARGET_SUBTARGET_DEFAULT \ | TARGET_TLS_DIRECT_SEG_REFS_DEFAULT) #undef TARGET_HANDLE_OPTION #define TARGET_HANDLE_OPTION ix86_handle_option #undef TARGET_OPTION_OPTIMIZATION_TABLE #define TARGET_OPTION_OPTIMIZATION_TABLE ix86_option_optimization_table #undef TARGET_OPTION_INIT_STRUCT #define TARGET_OPTION_INIT_STRUCT ix86_option_init_struct #undef TARGET_SUPPORTS_SPLIT_STACK #define TARGET_SUPPORTS_SPLIT_STACK ix86_supports_split_stack struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;