[10/17] eal/cpuflags: add vector carry-less multiply

Message ID 20200324114921.7184-11-kevin.laatz@intel.com (mailing list archive)
State Superseded, archived
Delegated to: David Marchand
Headers
Series Add CPU flags |

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation fail Compilation issues

Commit Message

Kevin Laatz March 24, 2020, 11:49 a.m. UTC
  Add the CPU flag for vector carry-less multiply 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(+)
  

Patch

diff --git a/lib/librte_eal/common/arch/x86/rte_cpuflags.c b/lib/librte_eal/common/arch/x86/rte_cpuflags.c
index d4caf76d8..b01f35e1a 100644
--- a/lib/librte_eal/common/arch/x86/rte_cpuflags.c
+++ b/lib/librte_eal/common/arch/x86/rte_cpuflags.c
@@ -130,6 +130,7 @@  const struct feature_entry rte_cpu_feature_table[] = {
 	FEAT_DEF(AVX512VBMI2, 0x00000007, 0, RTE_REG_ECX, 6)
 	FEAT_DEF(GFNI, 0x00000007, 0, RTE_REG_ECX, 8)
 	FEAT_DEF(VAES, 0x00000007, 0, RTE_REG_ECX, 9)
+	FEAT_DEF(VPCLMULQDQ, 0x00000007, 0, RTE_REG_ECX, 10)
 };
 
 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 22efc166f..cbcb1cf71 100644
--- a/lib/librte_eal/common/include/arch/x86/rte_cpuflags.h
+++ b/lib/librte_eal/common/include/arch/x86/rte_cpuflags.h
@@ -122,6 +122,7 @@  enum rte_cpu_flag_t {
 	RTE_CPUFLAG_AVX512VBMI2,            /**< AVX512 Vector Bit Manipulation 2 */
 	RTE_CPUFLAG_GFNI,                   /**< Galois Field New Instructions */
 	RTE_CPUFLAG_VAES,                   /**< Vector AES */
+	RTE_CPUFLAG_VPCLMULQDQ,             /**< Vector Carry-less Multiply */
 
 	/* The last item */
 	RTE_CPUFLAG_NUMFLAGS,               /**< This should always be the last! */