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| author | H.J. Lu <hjl.tools@gmail.com> | 2020-10-08 08:33:45 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2020-10-09 11:52:30 -0700 |
| commit | 875a50ff63b2c86af770949d563ee851d08eb46e (patch) | |
| tree | 28c755809dd2d5a3f5e516f60168693e44632fdf /sysdeps/x86 | |
| parent | ebe454bcca6a5421512ad228595a5391506e990a (diff) | |
| download | glibc-875a50ff63b2c86af770949d563ee851d08eb46e.tar.gz glibc-875a50ff63b2c86af770949d563ee851d08eb46e.tar.xz glibc-875a50ff63b2c86af770949d563ee851d08eb46e.zip | |
<sys/platform/x86.h>: Add AVX-VNNI support
Add AVX-VNNI support to <sys/platform/x86.h>.
Diffstat (limited to 'sysdeps/x86')
| -rw-r--r-- | sysdeps/x86/cpu-features.c | 2 | ||||
| -rw-r--r-- | sysdeps/x86/sys/platform/x86.h | 3 | ||||
| -rw-r--r-- | sysdeps/x86/tst-get-cpu-features.c | 2 |
3 files changed, 7 insertions, 0 deletions
diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c index 4ecb8cee2c..b0fac22c27 100644 --- a/sysdeps/x86/cpu-features.c +++ b/sysdeps/x86/cpu-features.c @@ -119,6 +119,8 @@ update_usable (struct cpu_features *cpu_features) cpu_features->preferred[index_arch_AVX_Fast_Unaligned_Load] |= bit_arch_AVX_Fast_Unaligned_Load; } + /* Determine if AVX-VNNI is usable. */ + CPU_FEATURE_SET_USABLE (cpu_features, AVX_VNNI); /* Determine if FMA is usable. */ CPU_FEATURE_SET_USABLE (cpu_features, FMA); /* Determine if VAES is usable. */ diff --git a/sysdeps/x86/sys/platform/x86.h b/sysdeps/x86/sys/platform/x86.h index 00cd151199..276de1eb6b 100644 --- a/sysdeps/x86/sys/platform/x86.h +++ b/sysdeps/x86/sys/platform/x86.h @@ -311,6 +311,7 @@ extern const struct cpu_features *__x86_get_cpu_features (unsigned int) /* COMMON_CPUID_INDEX_7_ECX_1. */ /* EAX. */ +#define bit_cpu_AVX_VNNI (1u << 4) #define bit_cpu_AVX512_BF16 (1u << 5) /* COMMON_CPUID_INDEX_19. */ @@ -530,6 +531,7 @@ extern const struct cpu_features *__x86_get_cpu_features (unsigned int) /* COMMON_CPUID_INDEX_7_ECX_1. */ /* EAX. */ +#define index_cpu_AVX_VNNI COMMON_CPUID_INDEX_7_ECX_1 #define index_cpu_AVX512_BF16 COMMON_CPUID_INDEX_7_ECX_1 /* COMMON_CPUID_INDEX_19. */ @@ -749,6 +751,7 @@ extern const struct cpu_features *__x86_get_cpu_features (unsigned int) /* COMMON_CPUID_INDEX_7_ECX_1. */ /* EAX. */ +#define reg_AVX_VNNI eax #define reg_AVX512_BF16 eax /* COMMON_CPUID_INDEX_19. */ diff --git a/sysdeps/x86/tst-get-cpu-features.c b/sysdeps/x86/tst-get-cpu-features.c index 7262c3a3fa..e87158d45b 100644 --- a/sysdeps/x86/tst-get-cpu-features.c +++ b/sysdeps/x86/tst-get-cpu-features.c @@ -221,6 +221,7 @@ do_test (void) CHECK_CPU_FEATURE (XFD); CHECK_CPU_FEATURE (INVARIANT_TSC); CHECK_CPU_FEATURE (WBNOINVD); + CHECK_CPU_FEATURE (AVX_VNNI); CHECK_CPU_FEATURE (AVX512_BF16); CHECK_CPU_FEATURE (AESKLE); CHECK_CPU_FEATURE (WIDE_KL); @@ -376,6 +377,7 @@ do_test (void) CHECK_CPU_FEATURE_USABLE (XFD); CHECK_CPU_FEATURE_USABLE (INVARIANT_TSC); CHECK_CPU_FEATURE_USABLE (WBNOINVD); + CHECK_CPU_FEATURE_USABLE (AVX_VNNI); CHECK_CPU_FEATURE_USABLE (AVX512_BF16); CHECK_CPU_FEATURE_USABLE (AESKLE); CHECK_CPU_FEATURE_USABLE (WIDE_KL); |