Read CPUID to check if AVX512 is supported by CPU.
Signed-off-by: Zhihong Wang <zhihong.wang at intel.com>
---
lib/librte_eal/common/include/arch/x86/rte_cpuflags.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/lib/librte_eal/common/include/arch/x86/rte_cpuflags.h
b/lib/librte_eal/common/include/arch/x86/rte_cpuflags.h
index dd56553..89c0d9d 100644
--- a/lib/librte_eal/common/include/arch/x86/rte_cpuflags.h
+++ b/lib/librte_eal/common/include/arch/x86/rte_cpuflags.h
@@ -131,6 +131,7 @@ enum rte_cpu_flag_t {
RTE_CPUFLAG_ERMS, /**< ERMS */
RTE_CPUFLAG_INVPCID, /**< INVPCID */
RTE_CPUFLAG_RTM, /**< Transactional memory */
+ RTE_CPUFLAG_AVX512F, /**< AVX512F */
/* (EAX 80000001h) ECX features */
RTE_CPUFLAG_LAHF_SAHF, /**< LAHF_SAHF */
@@ -238,6 +239,7 @@ static const struct feature_entry cpu_feature_table[] = {
FEAT_DEF(ERMS, 0x00000007, 0, RTE_REG_EBX, 8)
FEAT_DEF(INVPCID, 0x00000007, 0, RTE_REG_EBX, 10)
FEAT_DEF(RTM, 0x00000007, 0, RTE_REG_EBX, 11)
+ FEAT_DEF(AVX512F, 0x00000007, 0, RTE_REG_EBX, 16)
FEAT_DEF(LAHF_SAHF, 0x80000001, 0, RTE_REG_ECX, 0)
FEAT_DEF(LZCNT, 0x80000001, 0, RTE_REG_ECX, 4)
--
2.5.0
