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From: Kevin Laatz <kevin.laatz@intel.com>
To: dev@dpdk.org
Cc: bruce.richardson@intel.com, harry.van.haaren@intel.com,
Kevin Laatz <kevin.laatz@intel.com>
Date: Tue, 24 Mar 2020 11:49:09 +0000
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Subject: [dpdk-dev] [PATCH 05/17] eal/cpuflags: add avx512 vector length
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Add the CPU flag for AVX-512 vector length instructions.
Signed-off-by: Kevin Laatz <kevin.laatz@intel.com>
---
lib/librte_eal/common/arch/x86/rte_cpuflags.c | 1 +
lib/librte_eal/common/include/arch/x86/rte_cpuflags.h | 1 +
2 files changed, 2 insertions(+)
diff --git a/lib/librte_eal/common/arch/x86/rte_cpuflags.c b/lib/librte_eal/common/arch/x86/rte_cpuflags.c
index c0bb1bd5c..21cb4b649 100644
--- a/lib/librte_eal/common/arch/x86/rte_cpuflags.c
+++ b/lib/librte_eal/common/arch/x86/rte_cpuflags.c
@@ -125,6 +125,7 @@ const struct feature_entry rte_cpu_feature_table[] = {
FEAT_DEF(AVX512IFMA, 0x00000007, 0, RTE_REG_EBX, 21)
FEAT_DEF(AVX512CD, 0x00000007, 0, RTE_REG_EBX, 28)
FEAT_DEF(AVX512BW, 0x00000007, 0, RTE_REG_EBX, 30)
+ FEAT_DEF(AVX512VL, 0x00000007, 0, RTE_REG_EBX, 31)
};
int
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 97eeeb247..42181e32c 100644
--- a/lib/librte_eal/common/include/arch/x86/rte_cpuflags.h
+++ b/lib/librte_eal/common/include/arch/x86/rte_cpuflags.h
@@ -117,6 +117,7 @@ enum rte_cpu_flag_t {
RTE_CPUFLAG_AVX512IFMA, /**< AVX512 Integer Fused Multiply-Add */
RTE_CPUFLAG_AVX512CD, /**< AVX512 Conflict Detection*/
RTE_CPUFLAG_AVX512BW, /**< AVX512 Byte and Word */
+ RTE_CPUFLAG_AVX512VL, /**< AVX512 Vector Length */
/* The last item */
RTE_CPUFLAG_NUMFLAGS, /**< This should always be the last! */
--
2.17.1