Gcc » История » Версия 1
Андрей Волков, 2016-09-15 14:35
| 1 | 1 | Андрей Волков | h1. Gcc |
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| 3 | h2. Смотрим возможности процессора, которые могут быть использованы компилятором |
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| 5 | <pre> |
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| 6 | gcc -march=native -Q --help=target |
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| 7 | </pre> |
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| 8 | |||
| 9 | h3. Пример для Intel(R) Core(TM) i5-2450M CPU @ 2.50GHz |
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| 11 | <pre> |
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| 12 | The following options are target specific: |
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| 13 | -m128bit-long-double [disabled] |
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| 14 | -m16 [disabled] |
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| 15 | -m32 [disabled] |
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| 16 | -m3dnow [disabled] |
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| 17 | -m3dnowa [disabled] |
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| 18 | -m64 [enabled] |
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| 19 | -m80387 [enabled] |
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| 20 | -m8bit-idiv [disabled] |
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| 21 | -m96bit-long-double [enabled] |
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| 22 | -mabi= sysv |
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| 23 | -mabm [disabled] |
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| 24 | -maccumulate-outgoing-args [disabled] |
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| 25 | -maddress-mode= short |
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| 26 | -madx [disabled] |
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| 27 | -maes [enabled] |
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| 28 | -malign-data= compat |
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| 29 | -malign-double [disabled] |
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| 30 | -malign-functions= 0 |
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| 31 | -malign-jumps= 0 |
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| 32 | -malign-loops= 0 |
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| 33 | -malign-stringops [enabled] |
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| 34 | -mandroid [disabled] |
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| 35 | -march= sandybridge |
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| 36 | -masm= att |
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| 37 | -mavx [enabled] |
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| 38 | -mavx2 [disabled] |
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| 39 | -mavx256-split-unaligned-load [disabled] |
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| 40 | -mavx256-split-unaligned-store [disabled] |
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| 41 | -mavx512bw [disabled] |
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| 42 | -mavx512cd [disabled] |
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| 43 | -mavx512dq [disabled] |
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| 44 | -mavx512er [disabled] |
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| 45 | -mavx512f [disabled] |
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| 46 | -mavx512ifma [disabled] |
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| 47 | -mavx512pf [disabled] |
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| 48 | -mavx512vbmi [disabled] |
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| 49 | -mavx512vl [disabled] |
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| 50 | -mbionic [disabled] |
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| 51 | -mbmi [disabled] |
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| 52 | -mbmi2 [disabled] |
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| 53 | -mbranch-cost= 0 |
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| 54 | -mcld [disabled] |
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| 55 | -mclflushopt [disabled] |
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| 56 | -mclwb [disabled] |
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| 57 | -mcmodel= 32 |
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| 58 | -mcpu= |
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| 59 | -mcrc32 [disabled] |
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| 60 | -mcx16 [enabled] |
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| 61 | -mdispatch-scheduler [disabled] |
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| 62 | -mdump-tune-features [disabled] |
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| 63 | -mf16c [disabled] |
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| 64 | -mfancy-math-387 [enabled] |
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| 65 | -mfentry [enabled] |
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| 66 | -mfma [disabled] |
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| 67 | -mfma4 [disabled] |
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| 68 | -mforce-drap [disabled] |
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| 69 | -mfp-ret-in-387 [enabled] |
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| 70 | -mfpmath= 387 |
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| 71 | -mfsgsbase [disabled] |
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| 72 | -mfused-madd |
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| 73 | -mfxsr [enabled] |
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| 74 | -mglibc [enabled] |
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| 75 | -mhard-float [enabled] |
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| 76 | -mhle [disabled] |
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| 77 | -mieee-fp [enabled] |
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| 78 | -mincoming-stack-boundary= 0 |
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| 79 | -minline-all-stringops [disabled] |
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| 80 | -minline-stringops-dynamically [disabled] |
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| 81 | -mintel-syntax |
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| 82 | -mlarge-data-threshold= 0x10000 |
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| 83 | -mlong-double-128 [disabled] |
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| 84 | -mlong-double-64 [disabled] |
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| 85 | -mlong-double-80 [enabled] |
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| 86 | -mlwp [disabled] |
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| 87 | -mlzcnt [disabled] |
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| 88 | -mmemcpy-strategy= |
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| 89 | -mmemset-strategy= |
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| 90 | -mmmx [enabled] |
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| 91 | -mmovbe [disabled] |
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| 92 | -mmpx [disabled] |
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| 93 | -mms-bitfields [disabled] |
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| 94 | -mmwaitx [disabled] |
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| 95 | -mno-align-stringops [disabled] |
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| 96 | -mno-default [disabled] |
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| 97 | -mno-fancy-math-387 [disabled] |
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| 98 | -mno-push-args [disabled] |
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| 99 | -mno-red-zone [disabled] |
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| 100 | -mno-sse4 [disabled] |
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| 101 | -mnop-mcount [disabled] |
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| 102 | -momit-leaf-frame-pointer [disabled] |
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| 103 | -mpc32 [disabled] |
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| 104 | -mpc64 [disabled] |
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| 105 | -mpc80 [disabled] |
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| 106 | -mpclmul [enabled] |
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| 107 | -mpcommit [disabled] |
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| 108 | -mpopcnt [enabled] |
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| 109 | -mprefer-avx128 [disabled] |
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| 110 | -mpreferred-stack-boundary= 0 |
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| 111 | -mprefetchwt1 [disabled] |
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| 112 | -mprfchw [disabled] |
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| 113 | -mpush-args [enabled] |
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| 114 | -mrdrnd [disabled] |
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| 115 | -mrdseed [disabled] |
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| 116 | -mrecip [disabled] |
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| 117 | -mrecip= |
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| 118 | -mrecord-mcount [disabled] |
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| 119 | -mred-zone [enabled] |
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| 120 | -mregparm= 0 |
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| 121 | -mrtd [disabled] |
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| 122 | -mrtm [disabled] |
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| 123 | -msahf [enabled] |
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| 124 | -msha [disabled] |
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| 125 | -mskip-rax-setup [disabled] |
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| 126 | -msoft-float [disabled] |
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| 127 | -msse [enabled] |
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| 128 | -msse2 [enabled] |
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| 129 | -msse2avx [disabled] |
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| 130 | -msse3 [enabled] |
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| 131 | -msse4 [enabled] |
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| 132 | -msse4.1 [enabled] |
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| 133 | -msse4.2 [enabled] |
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| 134 | -msse4a [disabled] |
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| 135 | -msse5 |
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| 136 | -msseregparm [disabled] |
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| 137 | -mssse3 [enabled] |
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| 138 | -mstack-arg-probe [disabled] |
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| 139 | -mstack-protector-guard= tls |
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| 140 | -mstackrealign [enabled] |
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| 141 | -mstringop-strategy= [default] |
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| 142 | -mtbm [disabled] |
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| 143 | -mtls-dialect= gnu |
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| 144 | -mtls-direct-seg-refs [enabled] |
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| 145 | -mtune-ctrl= |
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| 146 | -mtune= sandybridge |
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| 147 | -muclibc [disabled] |
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| 148 | -mveclibabi= [default] |
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| 149 | -mvect8-ret-in-mem [disabled] |
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| 150 | -mvzeroupper [disabled] |
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| 151 | -mx32 [disabled] |
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| 152 | -mxop [disabled] |
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| 153 | -mxsave [enabled] |
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| 154 | -mxsavec [disabled] |
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| 155 | -mxsaveopt [enabled] |
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| 156 | -mxsaves [disabled] |
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| 157 | |||
| 158 | Known assembler dialects (for use with the -masm-dialect= option): |
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| 159 | att intel |
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| 160 | |||
| 161 | Known ABIs (for use with the -mabi= option): |
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| 162 | ms sysv |
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| 163 | |||
| 164 | Known code models (for use with the -mcmodel= option): |
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| 165 | 32 kernel large medium small |
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| 166 | |||
| 167 | Valid arguments to -mfpmath=: |
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| 168 | 387 387+sse 387,sse both sse sse+387 sse,387 |
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| 169 | |||
| 170 | Known data alignment choices (for use with the -malign-data= option): |
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| 171 | abi cacheline compat |
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| 172 | |||
| 173 | Known vectorization library ABIs (for use with the -mveclibabi= option): |
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| 174 | acml svml |
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| 175 | |||
| 176 | Known address mode (for use with the -maddress-mode= option): |
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| 177 | long short |
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| 178 | |||
| 179 | Known stack protector guard (for use with the -mstack-protector-guard= option): |
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| 180 | global tls |
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| 181 | |||
| 182 | Valid arguments to -mstringop-strategy=: |
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| 183 | byte_loop libcall loop rep_4byte rep_8byte rep_byte unrolled_loop vector_loop |
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| 184 | |||
| 185 | Known TLS dialects (for use with the -mtls-dialect= option): |
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| 186 | gnu gnu2 |
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| 187 | |||
| 188 | </pre> |