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https://sourceware.org/git/glibc.git
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aa601d0244
HLE is disabled on blacklisted CPUs. Use CHECK_FEATURE_PRESENT, instead
of CHECK_FEATURE_ACTIVE, to check HLE.
(cherry picked from commit 501246c5e2)
199 lines
6.7 KiB
C
199 lines
6.7 KiB
C
/* Test CPU feature data against __builtin_cpu_supports.
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This file is part of the GNU C Library.
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Copyright (C) 2020-2021 Free Software Foundation, Inc.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <sys/platform/x86.h>
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#include <stdio.h>
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int
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check_supports (int supports, int active, const char *supports_name,
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const char *name)
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{
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printf ("Checking %s:\n", name);
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printf (" %s: %d\n", name, active);
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printf (" __builtin_cpu_supports (%s): %d\n",
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supports_name, supports);
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if ((supports != 0) != (active != 0))
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{
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printf (" *** failure ***\n");
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return 1;
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}
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return 0;
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}
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#define CHECK_FEATURE_ACTIVE(str, name) \
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check_supports (__builtin_cpu_supports (#str), \
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CPU_FEATURE_ACTIVE (name), \
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#str, "CPU_FEATURE_ACTIVE (" #name ")");
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#define CHECK_FEATURE_PRESENT(str, name) \
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check_supports (__builtin_cpu_supports (#str), \
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CPU_FEATURE_PRESENT (name), \
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#str, "CPU_FEATURE_PRESENT (" #name ")");
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static int
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do_test (int argc, char **argv)
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{
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int fails = 0;
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#if __GNUC_PREREQ (11, 0)
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fails += CHECK_FEATURE_ACTIVE (adx, ADX);
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#endif
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#if __GNUC_PREREQ (6, 0)
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fails += CHECK_FEATURE_ACTIVE (aes, AES);
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#endif
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#if __GNUC_PREREQ (11, 1)
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fails += CHECK_FEATURE_ACTIVE (amx-bf16, AMX_BF16);
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fails += CHECK_FEATURE_ACTIVE (amx-int8, AMX_INT8);
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fails += CHECK_FEATURE_ACTIVE (amx-tile, AMX_TILE);
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#endif
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fails += CHECK_FEATURE_ACTIVE (avx, AVX);
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fails += CHECK_FEATURE_ACTIVE (avx2, AVX2);
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#if __GNUC_PREREQ (7, 0)
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fails += CHECK_FEATURE_ACTIVE (avx5124fmaps, AVX512_4FMAPS);
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fails += CHECK_FEATURE_ACTIVE (avx5124vnniw, AVX512_4VNNIW);
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#endif
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#if __GNUC_PREREQ (10, 0)
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fails += CHECK_FEATURE_ACTIVE (avx512bf16, AVX512_BF16);
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#endif
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#if __GNUC_PREREQ (8, 0)
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fails += CHECK_FEATURE_ACTIVE (avx512bitalg, AVX512_BITALG);
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#endif
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#if __GNUC_PREREQ (6, 0)
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fails += CHECK_FEATURE_ACTIVE (avx512ifma, AVX512_IFMA);
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fails += CHECK_FEATURE_ACTIVE (avx512vbmi, AVX512_VBMI);
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#endif
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#if __GNUC_PREREQ (8, 0)
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fails += CHECK_FEATURE_ACTIVE (avx512vbmi2, AVX512_VBMI2);
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fails += CHECK_FEATURE_ACTIVE (avx512vnni, AVX512_VNNI);
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#endif
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#if __GNUC_PREREQ (10, 0)
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fails += CHECK_FEATURE_ACTIVE (avx512vp2intersect, AVX512_VP2INTERSECT);
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#endif
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#if __GNUC_PREREQ (7, 0)
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fails += CHECK_FEATURE_ACTIVE (avx512vpopcntdq, AVX512_VPOPCNTDQ);
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#endif
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#if __GNUC_PREREQ (6, 0)
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fails += CHECK_FEATURE_ACTIVE (avx512bw, AVX512BW);
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fails += CHECK_FEATURE_ACTIVE (avx512cd, AVX512CD);
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fails += CHECK_FEATURE_ACTIVE (avx512er, AVX512ER);
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fails += CHECK_FEATURE_ACTIVE (avx512dq, AVX512DQ);
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#endif
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#if __GNUC_PREREQ (5, 0)
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fails += CHECK_FEATURE_ACTIVE (avx512f, AVX512F);
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#endif
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#if __GNUC_PREREQ (6, 0)
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fails += CHECK_FEATURE_ACTIVE (avx512pf, AVX512PF);
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fails += CHECK_FEATURE_ACTIVE (avx512vl, AVX512VL);
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#endif
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#if __GNUC_PREREQ (5, 0)
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fails += CHECK_FEATURE_ACTIVE (bmi, BMI1);
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fails += CHECK_FEATURE_ACTIVE (bmi2, BMI2);
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#endif
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#if __GNUC_PREREQ (11, 0)
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fails += CHECK_FEATURE_ACTIVE (cldemote, CLDEMOTE);
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fails += CHECK_FEATURE_ACTIVE (clflushopt, CLFLUSHOPT);
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fails += CHECK_FEATURE_ACTIVE (clwb, CLWB);
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#endif
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fails += CHECK_FEATURE_ACTIVE (cmov, CMOV);
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#if __GNUC_PREREQ (11, 0)
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fails += CHECK_FEATURE_ACTIVE (cmpxchg16b, CMPXCHG16B);
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fails += CHECK_FEATURE_ACTIVE (cmpxchg8b, CX8);
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fails += CHECK_FEATURE_ACTIVE (enqcmd, ENQCMD);
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fails += CHECK_FEATURE_ACTIVE (f16c, F16C);
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#endif
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#if __GNUC_PREREQ (4, 9)
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fails += CHECK_FEATURE_ACTIVE (fma, FMA);
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fails += CHECK_FEATURE_ACTIVE (fma4, FMA4);
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#endif
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#if __GNUC_PREREQ (11, 0)
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fails += CHECK_FEATURE_PRESENT (fsgsbase, FSGSBASE);
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fails += CHECK_FEATURE_ACTIVE (fxsave, FXSR);
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#endif
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#if __GNUC_PREREQ (8, 0)
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fails += CHECK_FEATURE_ACTIVE (gfni, GFNI);
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#endif
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#if __GNUC_PREREQ (11, 0)
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fails += CHECK_FEATURE_PRESENT (hle, HLE);
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fails += CHECK_FEATURE_PRESENT (ibt, IBT);
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fails += CHECK_FEATURE_ACTIVE (lahf_lm, LAHF64_SAHF64);
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fails += CHECK_FEATURE_PRESENT (lm, LM);
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fails += CHECK_FEATURE_ACTIVE (lwp, LWP);
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fails += CHECK_FEATURE_ACTIVE (lzcnt, LZCNT);
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#endif
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fails += CHECK_FEATURE_ACTIVE (mmx, MMX);
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#if __GNUC_PREREQ (11, 0)
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fails += CHECK_FEATURE_ACTIVE (movbe, MOVBE);
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fails += CHECK_FEATURE_ACTIVE (movdiri, MOVDIRI);
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fails += CHECK_FEATURE_ACTIVE (movdir64b, MOVDIR64B);
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fails += CHECK_FEATURE_ACTIVE (osxsave, OSXSAVE);
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fails += CHECK_FEATURE_ACTIVE (pconfig, PCONFIG);
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fails += CHECK_FEATURE_ACTIVE (pku, PKU);
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#endif
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fails += CHECK_FEATURE_ACTIVE (popcnt, POPCNT);
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#if __GNUC_PREREQ (11, 0)
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fails += CHECK_FEATURE_ACTIVE (prefetchwt1, PREFETCHWT1);
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fails += CHECK_FEATURE_ACTIVE (ptwrite, PTWRITE);
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fails += CHECK_FEATURE_ACTIVE (rdpid, RDPID);
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fails += CHECK_FEATURE_ACTIVE (rdrnd, RDRAND);
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fails += CHECK_FEATURE_ACTIVE (rdseed, RDSEED);
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fails += CHECK_FEATURE_PRESENT (rtm, RTM);
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fails += CHECK_FEATURE_ACTIVE (serialize, SERIALIZE);
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fails += CHECK_FEATURE_ACTIVE (sha, SHA);
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fails += CHECK_FEATURE_PRESENT (shstk, SHSTK);
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#endif
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fails += CHECK_FEATURE_ACTIVE (sse, SSE);
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fails += CHECK_FEATURE_ACTIVE (sse2, SSE2);
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fails += CHECK_FEATURE_ACTIVE (sse3, SSE3);
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fails += CHECK_FEATURE_ACTIVE (sse4.1, SSE4_1);
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fails += CHECK_FEATURE_ACTIVE (sse4.2, SSE4_2);
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#if __GNUC_PREREQ (4, 9)
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fails += CHECK_FEATURE_ACTIVE (sse4a, SSE4A);
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#endif
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fails += CHECK_FEATURE_ACTIVE (ssse3, SSSE3);
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#if __GNUC_PREREQ (11, 0)
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fails += CHECK_FEATURE_ACTIVE (tbm, TBM);
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fails += CHECK_FEATURE_ACTIVE (tsxldtrk, TSXLDTRK);
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fails += CHECK_FEATURE_ACTIVE (vaes, VAES);
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#endif
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#if __GNUC_PREREQ (8, 0)
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fails += CHECK_FEATURE_ACTIVE (vpclmulqdq, VPCLMULQDQ);
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#endif
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#if __GNUC_PREREQ (11, 0)
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fails += CHECK_FEATURE_ACTIVE (waitpkg, WAITPKG);
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fails += CHECK_FEATURE_ACTIVE (wbnoinvd, WBNOINVD);
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#endif
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#if __GNUC_PREREQ (4, 9)
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fails += CHECK_FEATURE_ACTIVE (xop, XOP);
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#endif
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#if __GNUC_PREREQ (11, 0)
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fails += CHECK_FEATURE_ACTIVE (xsave, XSAVE);
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fails += CHECK_FEATURE_ACTIVE (xsavec, XSAVEC);
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fails += CHECK_FEATURE_ACTIVE (xsaveopt, XSAVEOPT);
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fails += CHECK_FEATURE_PRESENT (xsaves, XSAVES);
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#endif
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printf ("%d differences between __builtin_cpu_supports and glibc code.\n",
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fails);
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return (fails != 0);
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}
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#include "../../../test-skeleton.c"
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