sysdeps/x86/tst-cpu-features-supports.c

   1 /* Test CPU feature data against __builtin_cpu_supports.
   2    This file is part of the GNU C Library.
   3    Copyright (C) 2020-2022 Free Software Foundation, Inc.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <sys/platform/x86.h>
  20 #include <stdio.h>
  21
  22 int
  23 check_supports (int supports, int active, const char *supports_name,
  24                 const char *name)
  25 {
  26   printf ("Checking %s:\n", name);
  27   printf ("  %s: %d\n", name, active);
  28   printf ("  __builtin_cpu_supports (%s): %d\n",
  29           supports_name, supports);
  30
  31   if ((supports != 0) != (active != 0))
  32     {
  33       printf (" *** failure ***\n");
  34       return 1;
  35     }
  36
  37   return 0;
  38 }
  39
  40 #define CHECK_FEATURE_ACTIVE(str, name) \
  41   check_supports (__builtin_cpu_supports (#str), \
  42                   CPU_FEATURE_ACTIVE (name), \
  43                   #str, "CPU_FEATURE_ACTIVE (" #name ")");
  44
  45 #define CHECK_FEATURE_PRESENT(str, name) \
  46   check_supports (__builtin_cpu_supports (#str), \
  47                   CPU_FEATURE_PRESENT (name), \
  48                   #str, "CPU_FEATURE_PRESENT (" #name ")");
  49
  50 static int
  51 do_test (int argc, char **argv)
  52 {
  53   int fails = 0;
  54
  55 #if __GNUC_PREREQ (11, 0)
  56   fails += CHECK_FEATURE_ACTIVE (adx, ADX);
  57 #endif
  58 #if __GNUC_PREREQ (6, 0)
  59   fails += CHECK_FEATURE_ACTIVE (aes, AES);
  60 #endif
  61 #if __GNUC_PREREQ (11, 1)
  62   fails += CHECK_FEATURE_ACTIVE (amx-bf16, AMX_BF16);
  63   fails += CHECK_FEATURE_ACTIVE (amx-int8, AMX_INT8);
  64   fails += CHECK_FEATURE_ACTIVE (amx-tile, AMX_TILE);
  65 #endif
  66   fails += CHECK_FEATURE_ACTIVE (avx, AVX);
  67   fails += CHECK_FEATURE_ACTIVE (avx2, AVX2);
  68 #if __GNUC_PREREQ (7, 0)
  69   fails += CHECK_FEATURE_ACTIVE (avx5124fmaps, AVX512_4FMAPS);
  70   fails += CHECK_FEATURE_ACTIVE (avx5124vnniw, AVX512_4VNNIW);
  71 #endif
  72 #if __GNUC_PREREQ (10, 0)
  73   fails += CHECK_FEATURE_ACTIVE (avx512bf16, AVX512_BF16);
  74 #endif
  75 #if __GNUC_PREREQ (8, 0)
  76   fails += CHECK_FEATURE_ACTIVE (avx512bitalg, AVX512_BITALG);
  77 #endif
  78 #if __GNUC_PREREQ (6, 0)
  79   fails += CHECK_FEATURE_ACTIVE (avx512ifma, AVX512_IFMA);
  80   fails += CHECK_FEATURE_ACTIVE (avx512vbmi, AVX512_VBMI);
  81 #endif
  82 #if __GNUC_PREREQ (8, 0)
  83   fails += CHECK_FEATURE_ACTIVE (avx512vbmi2, AVX512_VBMI2);
  84   fails += CHECK_FEATURE_ACTIVE (avx512vnni, AVX512_VNNI);
  85 #endif
  86 #if __GNUC_PREREQ (10, 0)
  87   fails += CHECK_FEATURE_ACTIVE (avx512vp2intersect, AVX512_VP2INTERSECT);
  88 #endif
  89 #if __GNUC_PREREQ (7, 0)
  90   fails += CHECK_FEATURE_ACTIVE (avx512vpopcntdq, AVX512_VPOPCNTDQ);
  91 #endif
  92 #if __GNUC_PREREQ (6, 0)
  93   fails += CHECK_FEATURE_ACTIVE (avx512bw, AVX512BW);
  94   fails += CHECK_FEATURE_ACTIVE (avx512cd, AVX512CD);
  95   fails += CHECK_FEATURE_ACTIVE (avx512er, AVX512ER);
  96   fails += CHECK_FEATURE_ACTIVE (avx512dq, AVX512DQ);
  97 #endif
  98 #if __GNUC_PREREQ (5, 0)
  99   fails += CHECK_FEATURE_ACTIVE (avx512f, AVX512F);
 100 #endif
 101 #if __GNUC_PREREQ (6, 0)
 102   fails += CHECK_FEATURE_ACTIVE (avx512pf, AVX512PF);
 103   fails += CHECK_FEATURE_ACTIVE (avx512vl, AVX512VL);
 104 #endif
 105 #if __GNUC_PREREQ (5, 0)
 106   fails += CHECK_FEATURE_ACTIVE (bmi, BMI1);
 107   fails += CHECK_FEATURE_ACTIVE (bmi2, BMI2);
 108 #endif
 109 #if __GNUC_PREREQ (11, 0)
 110   fails += CHECK_FEATURE_ACTIVE (cldemote, CLDEMOTE);
 111   fails += CHECK_FEATURE_ACTIVE (clflushopt, CLFLUSHOPT);
 112   fails += CHECK_FEATURE_ACTIVE (clwb, CLWB);
 113 #endif
 114   fails += CHECK_FEATURE_ACTIVE (cmov, CMOV);
 115 #if __GNUC_PREREQ (11, 0)
 116   fails += CHECK_FEATURE_ACTIVE (cmpxchg16b, CMPXCHG16B);
 117   fails += CHECK_FEATURE_ACTIVE (cmpxchg8b, CX8);
 118   fails += CHECK_FEATURE_ACTIVE (enqcmd, ENQCMD);
 119   fails += CHECK_FEATURE_ACTIVE (f16c, F16C);
 120 #endif
 121 #if __GNUC_PREREQ (4, 9)
 122   fails += CHECK_FEATURE_ACTIVE (fma, FMA);
 123   fails += CHECK_FEATURE_ACTIVE (fma4, FMA4);
 124 #endif
 125 #if __GNUC_PREREQ (11, 0)
 126   fails += CHECK_FEATURE_PRESENT (fsgsbase, FSGSBASE);
 127   fails += CHECK_FEATURE_ACTIVE (fxsave, FXSR);
 128 #endif
 129 #if __GNUC_PREREQ (8, 0)
 130   fails += CHECK_FEATURE_ACTIVE (gfni, GFNI);
 131 #endif
 132 #if __GNUC_PREREQ (11, 0)
 133   fails += CHECK_FEATURE_ACTIVE (hle, HLE);
 134   fails += CHECK_FEATURE_PRESENT (ibt, IBT);
 135   fails += CHECK_FEATURE_ACTIVE (lahf_lm, LAHF64_SAHF64);
 136   fails += CHECK_FEATURE_PRESENT (lm, LM);
 137   fails += CHECK_FEATURE_ACTIVE (lwp, LWP);
 138   fails += CHECK_FEATURE_ACTIVE (lzcnt, LZCNT);
 139 #endif
 140   fails += CHECK_FEATURE_ACTIVE (mmx, MMX);
 141 #if __GNUC_PREREQ (11, 0)
 142   fails += CHECK_FEATURE_ACTIVE (movbe, MOVBE);
 143   fails += CHECK_FEATURE_ACTIVE (movdiri, MOVDIRI);
 144   fails += CHECK_FEATURE_ACTIVE (movdir64b, MOVDIR64B);
 145   fails += CHECK_FEATURE_ACTIVE (osxsave, OSXSAVE);
 146   fails += CHECK_FEATURE_ACTIVE (pconfig, PCONFIG);
 147   fails += CHECK_FEATURE_ACTIVE (pku, PKU);
 148 #endif
 149   fails += CHECK_FEATURE_ACTIVE (popcnt, POPCNT);
 150 #if __GNUC_PREREQ (11, 0)
 151   fails += CHECK_FEATURE_ACTIVE (prefetchwt1, PREFETCHWT1);
 152   fails += CHECK_FEATURE_ACTIVE (ptwrite, PTWRITE);
 153   fails += CHECK_FEATURE_ACTIVE (rdpid, RDPID);
 154   fails += CHECK_FEATURE_ACTIVE (rdrnd, RDRAND);
 155   fails += CHECK_FEATURE_ACTIVE (rdseed, RDSEED);
 156   fails += CHECK_FEATURE_PRESENT (rtm, RTM);
 157   fails += CHECK_FEATURE_ACTIVE (serialize, SERIALIZE);
 158   fails += CHECK_FEATURE_ACTIVE (sha, SHA);
 159   fails += CHECK_FEATURE_PRESENT (shstk, SHSTK);
 160 #endif
 161   fails += CHECK_FEATURE_ACTIVE (sse, SSE);
 162   fails += CHECK_FEATURE_ACTIVE (sse2, SSE2);
 163   fails += CHECK_FEATURE_ACTIVE (sse3, SSE3);
 164   fails += CHECK_FEATURE_ACTIVE (sse4.1, SSE4_1);
 165   fails += CHECK_FEATURE_ACTIVE (sse4.2, SSE4_2);
 166 #if __GNUC_PREREQ (4, 9)
 167   fails += CHECK_FEATURE_ACTIVE (sse4a, SSE4A);
 168 #endif
 169   fails += CHECK_FEATURE_ACTIVE (ssse3, SSSE3);
 170 #if __GNUC_PREREQ (11, 0)
 171   fails += CHECK_FEATURE_ACTIVE (tbm, TBM);
 172   fails += CHECK_FEATURE_ACTIVE (tsxldtrk, TSXLDTRK);
 173   fails += CHECK_FEATURE_ACTIVE (vaes, VAES);
 174 #endif
 175 #if __GNUC_PREREQ (8, 0)
 176   fails += CHECK_FEATURE_ACTIVE (vpclmulqdq, VPCLMULQDQ);
 177 #endif
 178 #if __GNUC_PREREQ (11, 0)
 179   fails += CHECK_FEATURE_ACTIVE (waitpkg, WAITPKG);
 180   fails += CHECK_FEATURE_ACTIVE (wbnoinvd, WBNOINVD);
 181 #endif
 182 #if __GNUC_PREREQ (4, 9)
 183   fails += CHECK_FEATURE_ACTIVE (xop, XOP);
 184 #endif
 185 #if __GNUC_PREREQ (11, 0)
 186   fails += CHECK_FEATURE_ACTIVE (xsave, XSAVE);
 187   fails += CHECK_FEATURE_ACTIVE (xsavec, XSAVEC);
 188   fails += CHECK_FEATURE_ACTIVE (xsaveopt, XSAVEOPT);
 189   fails += CHECK_FEATURE_PRESENT (xsaves, XSAVES);
 190 #endif
 191
 192   printf ("%d differences between __builtin_cpu_supports and glibc code.\n",
 193           fails);
 194
 195   return (fails != 0);
 196 }
 197
 198 #include "../../../test-skeleton.c"