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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 11:49:17 +0000
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Subject: [dpdk-dev] [PATCH 13/17] eal/cpuflags: add avx512 vector popcount
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Add the CPU flag for AVX-512 vector popcount instructions.
Signed-off-by: Harry van Haaren <harry.van.haaren@intel.com>
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 472becfed..0b1458d77 100644
--- a/lib/librte_eal/common/arch/x86/rte_cpuflags.c
+++ b/lib/librte_eal/common/arch/x86/rte_cpuflags.c
@@ -133,6 +133,7 @@ const struct feature_entry rte_cpu_feature_table[] = {
FEAT_DEF(VPCLMULQDQ, 0x00000007, 0, RTE_REG_ECX, 10)
FEAT_DEF(AVX512VNNI, 0x00000007, 0, RTE_REG_ECX, 11)
FEAT_DEF(AVX512BITALG, 0x00000007, 0, RTE_REG_ECX, 12)
+ FEAT_DEF(AVX512VPOPCNTDQ, 0x00000007, 0, RTE_REG_ECX, 14)
};
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 fe4144fc0..63281ef5e 100644
--- a/lib/librte_eal/common/include/arch/x86/rte_cpuflags.h
+++ b/lib/librte_eal/common/include/arch/x86/rte_cpuflags.h
@@ -125,6 +125,7 @@ enum rte_cpu_flag_t {
RTE_CPUFLAG_VPCLMULQDQ, /**< Vector Carry-less Multiply */
RTE_CPUFLAG_AVX512VNNI, /**< AVX512 Vector Neural Network Instructions */
RTE_CPUFLAG_AVX512BITALG, /**< AVX512 Bit Algorithms */
+ RTE_CPUFLAG_AVX512VPOPCNTDQ, /**< AVX512 Vector Popcount */
/* The last item */
RTE_CPUFLAG_NUMFLAGS, /**< This should always be the last! */
--
2.17.1