@@ -940,7 +940,7 @@ FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
.type = CPUID_FEATURE_WORD,
.feat_names = {
NULL, NULL, NULL, NULL,
- NULL, "avx512-bf16", NULL, NULL,
+ "avx-vnni", "avx512-bf16", NULL, NULL,
NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
@@ -3194,7 +3194,7 @@ static X86CPUDefinition builtin_x86_defs[] = {
MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY | MSR_ARCH_CAP_MDS_NO |
MSR_ARCH_CAP_PSCHANGE_MC_NO | MSR_ARCH_CAP_TAA_NO,
.features[FEAT_7_1_EAX] =
- CPUID_7_1_EAX_AVX512_BF16,
+ CPUID_7_1_EAX_AVX_VNNI | CPUID_7_1_EAX_AVX512_BF16,
/*
* Missing: XSAVES (not supported by some Linux versions,
* including v4.1 to v4.12).
@@ -817,6 +817,8 @@ typedef uint64_t FeatureWordArray[FEATURE_WORDS];
/* Speculative Store Bypass Disable */
#define CPUID_7_0_EDX_SPEC_CTRL_SSBD (1U << 31)
+/* AVX VNNI Instruction */
+#define CPUID_7_1_EAX_AVX_VNNI (1U << 4)
/* AVX512 BFloat16 Instruction */
#define CPUID_7_1_EAX_AVX512_BF16 (1U << 5)