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| author | H.J. Lu <hjl.tools@gmail.com> | 2023-04-05 09:21:41 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2023-04-05 14:46:10 -0700 |
| commit | 4c120c88a631cf038520556144860d3ad5a4d0e3 (patch) | |
| tree | 08d53bba655bf8ffb0c295147c5bd02a434abca3 /sysdeps/x86 | |
| parent | b39741b45f3de7090a7f7fdd8bc487382d53b848 (diff) | |
| download | glibc-4c120c88a631cf038520556144860d3ad5a4d0e3.tar glibc-4c120c88a631cf038520556144860d3ad5a4d0e3.tar.gz glibc-4c120c88a631cf038520556144860d3ad5a4d0e3.tar.bz2 glibc-4c120c88a631cf038520556144860d3ad5a4d0e3.zip | |
<sys/platform/x86.h>: Add AVX-VNNI-INT8 support
Add AVX-VNNI-INT8 support to <sys/platform/x86.h>.
Reviewed-by: Noah Goldstein <goldstein.w.n@gmail.com>
Diffstat (limited to 'sysdeps/x86')
| -rw-r--r-- | sysdeps/x86/bits/platform/x86.h | 6 | ||||
| -rw-r--r-- | sysdeps/x86/cpu-features.c | 2 | ||||
| -rw-r--r-- | sysdeps/x86/include/cpu-features.h | 7 | ||||
| -rw-r--r-- | sysdeps/x86/tst-get-cpu-features.c | 2 |
4 files changed, 17 insertions, 0 deletions
diff --git a/sysdeps/x86/bits/platform/x86.h b/sysdeps/x86/bits/platform/x86.h index 57973e9a6c..7b239ef188 100644 --- a/sysdeps/x86/bits/platform/x86.h +++ b/sysdeps/x86/bits/platform/x86.h @@ -304,6 +304,12 @@ enum x86_cpu_LAM = x86_cpu_index_7_ecx_1_eax + 26, x86_cpu_MSRLIST = x86_cpu_index_7_ecx_1_eax + 27, + x86_cpu_index_7_ecx_1_edx + = (CPUID_INDEX_7_ECX_1 * 8 * 4 * sizeof (unsigned int) + + cpuid_register_index_edx * 8 * sizeof (unsigned int)), + + x86_cpu_AVX_VNNI_INT8 = x86_cpu_index_7_ecx_1_edx + 4, + x86_cpu_index_19_ebx = (CPUID_INDEX_19 * 8 * 4 * sizeof (unsigned int) + cpuid_register_index_ebx * 8 * sizeof (unsigned int)), diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c index 06fae443a8..f34f4884eb 100644 --- a/sysdeps/x86/cpu-features.c +++ b/sysdeps/x86/cpu-features.c @@ -143,6 +143,8 @@ update_active (struct cpu_features *cpu_features) CPU_FEATURE_SET_ACTIVE (cpu_features, AVX_IFMA); /* Determine if AVX-VNNI is usable. */ CPU_FEATURE_SET_ACTIVE (cpu_features, AVX_VNNI); + /* Determine if AVX-VNNI-INT8 is usable. */ + CPU_FEATURE_SET_ACTIVE (cpu_features, AVX_VNNI_INT8); /* Determine if FMA is usable. */ CPU_FEATURE_SET_ACTIVE (cpu_features, FMA); /* Determine if VAES is usable. */ diff --git a/sysdeps/x86/include/cpu-features.h b/sysdeps/x86/include/cpu-features.h index 1f4b6831f9..5e09c58d9c 100644 --- a/sysdeps/x86/include/cpu-features.h +++ b/sysdeps/x86/include/cpu-features.h @@ -314,6 +314,9 @@ enum #define bit_cpu_AVX_IFMA (1u << 23) #define bit_cpu_LAM (1u << 26) +/* EDX. */ +#define bit_cpu_AVX_VNNI_INT8 (1u << 4) + /* CPUID_INDEX_19. */ /* EBX. */ @@ -552,6 +555,7 @@ enum #define index_cpu_HRESET CPUID_INDEX_7_ECX_1 #define index_cpu_AVX_IFMA CPUID_INDEX_7_ECX_1 #define index_cpu_LAM CPUID_INDEX_7_ECX_1 +#define index_cpu_AVX_VNNI_INT8 CPUID_INDEX_7_ECX_1 /* CPUID_INDEX_19. */ @@ -792,6 +796,9 @@ enum #define reg_AVX_IFMA eax #define reg_LAM eax +/* EDX. */ +#define reg_AVX_VNNI_INT8 edx + /* CPUID_INDEX_19. */ /* EBX. */ diff --git a/sysdeps/x86/tst-get-cpu-features.c b/sysdeps/x86/tst-get-cpu-features.c index 0c948c2b04..f0585cf330 100644 --- a/sysdeps/x86/tst-get-cpu-features.c +++ b/sysdeps/x86/tst-get-cpu-features.c @@ -215,6 +215,7 @@ do_test (void) CHECK_CPU_FEATURE_PRESENT (AVX_IFMA); CHECK_CPU_FEATURE_PRESENT (LAM); CHECK_CPU_FEATURE_PRESENT (MSRLIST); + CHECK_CPU_FEATURE_PRESENT (AVX_VNNI_INT8); CHECK_CPU_FEATURE_PRESENT (AESKLE); CHECK_CPU_FEATURE_PRESENT (WIDE_KL); CHECK_CPU_FEATURE_PRESENT (PTWRITE); @@ -382,6 +383,7 @@ do_test (void) CHECK_CPU_FEATURE_ACTIVE (FSRCS); CHECK_CPU_FEATURE_ACTIVE (AMX_FP16); CHECK_CPU_FEATURE_ACTIVE (AVX_IFMA); + CHECK_CPU_FEATURE_ACTIVE (AVX_VNNI_INT8); CHECK_CPU_FEATURE_ACTIVE (AESKLE); CHECK_CPU_FEATURE_ACTIVE (WIDE_KL); CHECK_CPU_FEATURE_ACTIVE (PTWRITE); |