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| author | H.J. Lu <hjl.tools@gmail.com> | 2023-04-05 09:21:39 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2023-04-05 14:46:10 -0700 |
| commit | 96037c697d5a5b1bc19caae74dddf45e041b0ffd (patch) | |
| tree | 2fd2f8ac31e6bce964b796323cd281803a26a433 /sysdeps/x86 | |
| parent | 8b4cc05eabdb67902171d8c05a4915d14b1e5f58 (diff) | |
| download | glibc-96037c697d5a5b1bc19caae74dddf45e041b0ffd.tar.gz glibc-96037c697d5a5b1bc19caae74dddf45e041b0ffd.tar.xz glibc-96037c697d5a5b1bc19caae74dddf45e041b0ffd.zip | |
<sys/platform/x86.h>: Add AVX-IFMA support
Add AVX-IFMA 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 | 1 | ||||
| -rw-r--r-- | sysdeps/x86/cpu-features.c | 2 | ||||
| -rw-r--r-- | sysdeps/x86/include/cpu-features.h | 3 | ||||
| -rw-r--r-- | sysdeps/x86/tst-get-cpu-features.c | 2 |
4 files changed, 8 insertions, 0 deletions
diff --git a/sysdeps/x86/bits/platform/x86.h b/sysdeps/x86/bits/platform/x86.h index 2776c69b16..abc0116607 100644 --- a/sysdeps/x86/bits/platform/x86.h +++ b/sysdeps/x86/bits/platform/x86.h @@ -300,6 +300,7 @@ enum x86_cpu_WRMSRNS = x86_cpu_index_7_ecx_1_eax + 19, x86_cpu_AMX_FP16 = x86_cpu_index_7_ecx_1_eax + 21, x86_cpu_HRESET = x86_cpu_index_7_ecx_1_eax + 22, + x86_cpu_AVX_IFMA = x86_cpu_index_7_ecx_1_eax + 23, x86_cpu_LAM = x86_cpu_index_7_ecx_1_eax + 26, x86_cpu_index_19_ebx diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c index 6c1b5efc5f..06fae443a8 100644 --- a/sysdeps/x86/cpu-features.c +++ b/sysdeps/x86/cpu-features.c @@ -139,6 +139,8 @@ update_active (struct cpu_features *cpu_features) cpu_features->preferred[index_arch_AVX_Fast_Unaligned_Load] |= bit_arch_AVX_Fast_Unaligned_Load; } + /* Determine if AVX-IFMA is usable. */ + CPU_FEATURE_SET_ACTIVE (cpu_features, AVX_IFMA); /* Determine if AVX-VNNI is usable. */ CPU_FEATURE_SET_ACTIVE (cpu_features, AVX_VNNI); /* Determine if FMA is usable. */ diff --git a/sysdeps/x86/include/cpu-features.h b/sysdeps/x86/include/cpu-features.h index 07c841c1d4..1f4b6831f9 100644 --- a/sysdeps/x86/include/cpu-features.h +++ b/sysdeps/x86/include/cpu-features.h @@ -311,6 +311,7 @@ enum #define bit_cpu_FSRCS (1u << 12) #define bit_cpu_AMX_FP16 (1u << 21) #define bit_cpu_HRESET (1u << 22) +#define bit_cpu_AVX_IFMA (1u << 23) #define bit_cpu_LAM (1u << 26) /* CPUID_INDEX_19. */ @@ -549,6 +550,7 @@ enum #define index_cpu_FSRCS CPUID_INDEX_7_ECX_1 #define index_cpu_AMX_FP16 CPUID_INDEX_7_ECX_1 #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 /* CPUID_INDEX_19. */ @@ -787,6 +789,7 @@ enum #define reg_FSRCS eax #define reg_AMX_FP16 eax #define reg_HRESET eax +#define reg_AVX_IFMA eax #define reg_LAM eax /* CPUID_INDEX_19. */ diff --git a/sysdeps/x86/tst-get-cpu-features.c b/sysdeps/x86/tst-get-cpu-features.c index c0f222cb77..3a2d4671ec 100644 --- a/sysdeps/x86/tst-get-cpu-features.c +++ b/sysdeps/x86/tst-get-cpu-features.c @@ -212,6 +212,7 @@ do_test (void) CHECK_CPU_FEATURE_PRESENT (WRMSRNS); CHECK_CPU_FEATURE_PRESENT (AMX_FP16); CHECK_CPU_FEATURE_PRESENT (HRESET); + CHECK_CPU_FEATURE_PRESENT (AVX_IFMA); CHECK_CPU_FEATURE_PRESENT (LAM); CHECK_CPU_FEATURE_PRESENT (AESKLE); CHECK_CPU_FEATURE_PRESENT (WIDE_KL); @@ -379,6 +380,7 @@ do_test (void) CHECK_CPU_FEATURE_ACTIVE (FSRS); CHECK_CPU_FEATURE_ACTIVE (FSRCS); CHECK_CPU_FEATURE_ACTIVE (AMX_FP16); + CHECK_CPU_FEATURE_ACTIVE (AVX_IFMA); CHECK_CPU_FEATURE_ACTIVE (AESKLE); CHECK_CPU_FEATURE_ACTIVE (WIDE_KL); CHECK_CPU_FEATURE_ACTIVE (PTWRITE); |