diff options
Diffstat (limited to 'sysdeps/x86/tst-cpu-features-supports.c')
| -rw-r--r-- | sysdeps/x86/tst-cpu-features-supports.c | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/sysdeps/x86/tst-cpu-features-supports.c b/sysdeps/x86/tst-cpu-features-supports.c new file mode 100644 index 0000000000..bf881b531f --- /dev/null +++ b/sysdeps/x86/tst-cpu-features-supports.c @@ -0,0 +1,192 @@ +/* Test CPU feature data against __builtin_cpu_supports. + This file is part of the GNU C Library. + Copyright (C) 2020 Free Software Foundation, Inc. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <sys/platform/x86.h> +#include <stdio.h> + +int +check_supports (int supports, int usable, const char *supports_name, + const char *name) +{ + printf ("Checking %s:\n", name); + printf (" %s: %d\n", name, usable); + printf (" __builtin_cpu_supports (%s): %d\n", + supports_name, supports); + + if ((supports != 0) != (usable != 0)) + { + printf (" *** failure ***\n"); + return 1; + } + + return 0; +} + +#define CHECK_SUPPORTS(str, name) \ + check_supports (__builtin_cpu_supports (#str), \ + CPU_FEATURE_USABLE (name), \ + #str, "HAS_CPU_FEATURE (" #name ")"); + +static int +do_test (int argc, char **argv) +{ + int fails = 0; + +#if __GNUC_PREREQ (11, 0) + fails += CHECK_SUPPORTS (adx, ADX); +#endif +#if __GNUC_PREREQ (6, 0) + fails += CHECK_SUPPORTS (aes, AES); +#endif +#if __GNUC_PREREQ (11, 1) + fails += CHECK_SUPPORTS (amx_bf16, AMX_BF16); + fails += CHECK_SUPPORTS (amx_int8, AMX_INT8); + fails += CHECK_SUPPORTS (amx_tile, AMX_TILE); +#endif + fails += CHECK_SUPPORTS (avx, AVX); + fails += CHECK_SUPPORTS (avx2, AVX2); +#if __GNUC_PREREQ (7, 0) + fails += CHECK_SUPPORTS (avx5124fmaps, AVX512_4FMAPS); + fails += CHECK_SUPPORTS (avx5124vnniw, AVX512_4VNNIW); +#endif +#if __GNUC_PREREQ (10, 0) + fails += CHECK_SUPPORTS (avx512bf16, AVX512_BF16); +#endif +#if __GNUC_PREREQ (8, 0) + fails += CHECK_SUPPORTS (avx512bitalg, AVX512_BITALG); +#endif +#if __GNUC_PREREQ (6, 0) + fails += CHECK_SUPPORTS (avx512ifma, AVX512_IFMA); + fails += CHECK_SUPPORTS (avx512vbmi, AVX512_VBMI); +#endif +#if __GNUC_PREREQ (8, 0) + fails += CHECK_SUPPORTS (avx512vbmi2, AVX512_VBMI2); + fails += CHECK_SUPPORTS (avx512vnni, AVX512_VNNI); +#endif +#if __GNUC_PREREQ (10, 0) + fails += CHECK_SUPPORTS (avx512vp2intersect, AVX512_VP2INTERSECT); +#endif +#if __GNUC_PREREQ (7, 0) + fails += CHECK_SUPPORTS (avx512vpopcntdq, AVX512_VPOPCNTDQ); +#endif +#if __GNUC_PREREQ (6, 0) + fails += CHECK_SUPPORTS (avx512bw, AVX512BW); + fails += CHECK_SUPPORTS (avx512cd, AVX512CD); + fails += CHECK_SUPPORTS (avx512er, AVX512ER); + fails += CHECK_SUPPORTS (avx512dq, AVX512DQ); +#endif +#if __GNUC_PREREQ (5, 0) + fails += CHECK_SUPPORTS (avx512f, AVX512F); +#endif +#if __GNUC_PREREQ (6, 0) + fails += CHECK_SUPPORTS (avx512pf, AVX512PF); + fails += CHECK_SUPPORTS (avx512vl, AVX512VL); +#endif +#if __GNUC_PREREQ (5, 0) + fails += CHECK_SUPPORTS (bmi, BMI1); + fails += CHECK_SUPPORTS (bmi2, BMI2); +#endif +#if __GNUC_PREREQ (11, 0) + fails += CHECK_SUPPORTS (cldemote, CLDEMOTE); + fails += CHECK_SUPPORTS (clflushopt, CLFLUSHOPT); + fails += CHECK_SUPPORTS (clwb, CLWB); +#endif + fails += CHECK_SUPPORTS (cmov, CMOV); +#if __GNUC_PREREQ (11, 0) + fails += CHECK_SUPPORTS (cmpxchg16b, CMPXCHG16B); + fails += CHECK_SUPPORTS (cmpxchg8b, CX8); + fails += CHECK_SUPPORTS (enqcmd, ENQCMD); + fails += CHECK_SUPPORTS (f16c, F16C); +#endif +#if __GNUC_PREREQ (4, 9) + fails += CHECK_SUPPORTS (fma, FMA); + fails += CHECK_SUPPORTS (fma4, FMA4); +#endif +#if __GNUC_PREREQ (11, 0) + fails += CHECK_SUPPORTS (fsgsbase, FSGSBASE); + fails += CHECK_SUPPORTS (fxsave, FXSR); +#endif +#if __GNUC_PREREQ (8, 0) + fails += CHECK_SUPPORTS (gfni, GFNI); +#endif +#if __GNUC_PREREQ (11, 0) + fails += CHECK_SUPPORTS (hle, HLE); + fails += CHECK_SUPPORTS (ibt, IBT); + fails += CHECK_SUPPORTS (lahf_lm, LAHF64_SAHF64); + fails += CHECK_SUPPORTS (lm, LM); + fails += CHECK_SUPPORTS (lwp, LWP); + fails += CHECK_SUPPORTS (lzcnt, LZCNT); +#endif + fails += CHECK_SUPPORTS (mmx, MMX); +#if __GNUC_PREREQ (11, 0) + fails += CHECK_SUPPORTS (movbe, MOVBE); + fails += CHECK_SUPPORTS (movdiri, MOVDIRI); + fails += CHECK_SUPPORTS (movdir64b, MOVDIR64B); + fails += CHECK_SUPPORTS (osxsave, OSXSAVE); + fails += CHECK_SUPPORTS (pconfig, PCONFIG); + fails += CHECK_SUPPORTS (pku, PKU); +#endif + fails += CHECK_SUPPORTS (popcnt, POPCNT); +#if __GNUC_PREREQ (11, 0) + fails += CHECK_SUPPORTS (prefetchwt1, PREFETCHWT1); + fails += CHECK_SUPPORTS (rdpid, RDPID); + fails += CHECK_SUPPORTS (rdrnd, RDRAND); + fails += CHECK_SUPPORTS (rdseed, RDSEED); + fails += CHECK_SUPPORTS (rtm, RTM); + fails += CHECK_SUPPORTS (serialize, SERIALIZE); + fails += CHECK_SUPPORTS (sha, SHA); + fails += CHECK_SUPPORTS (shstk, SHSTK); +#endif + fails += CHECK_SUPPORTS (sse, SSE); + fails += CHECK_SUPPORTS (sse2, SSE2); + fails += CHECK_SUPPORTS (sse3, SSE3); + fails += CHECK_SUPPORTS (sse4.1, SSE4_1); + fails += CHECK_SUPPORTS (sse4.2, SSE4_2); +#if __GNUC_PREREQ (4, 9) + fails += CHECK_SUPPORTS (sse4a, SSE4A); +#endif + fails += CHECK_SUPPORTS (ssse3, SSSE3); +#if __GNUC_PREREQ (11, 0) + fails += CHECK_SUPPORTS (tbm, TBM); + fails += CHECK_SUPPORTS (tsxldtrk, TSXLDTRK); + fails += CHECK_SUPPORTS (vaes, VAES); +#endif +#if __GNUC_PREREQ (8, 0) + fails += CHECK_SUPPORTS (vpclmulqdq, VPCLMULQDQ); +#endif +#if __GNUC_PREREQ (11, 0) + fails += CHECK_SUPPORTS (waitpkg, WAITPKG); + fails += CHECK_SUPPORTS (wbnoinvd, WBNOINVD); +#endif +#if __GNUC_PREREQ (4, 9) + fails += CHECK_SUPPORTS (xop, XOP); +#endif +#if __GNUC_PREREQ (11, 0) + fails += CHECK_SUPPORTS (xsave, XSAVE); + fails += CHECK_SUPPORTS (xsavec, XSAVEC); + fails += CHECK_SUPPORTS (xsaveopt, XSAVEOPT); + fails += CHECK_SUPPORTS (xsaves, XSAVES); +#endif + + printf ("%d differences between __builtin_cpu_supports and glibc code.\n", + fails); + + return (fails != 0); +} + +#include "../../../test-skeleton.c" |