eal/x86: select optimized memcpy at run-time

[dpdk.git] / mk / rte.cpuflags.mk

diff --git a/mk/rte.cpuflags.mk b/mk/rte.cpuflags.mk
index 4288c14..8a7a1e7 100644 (file)
--- a/mk/rte.cpuflags.mk
+++ b/mk/rte.cpuflags.mk
@@ -125,9 +125,29 @@ ifneq ($(filter $(AUTO_CPUFLAGS),__ARM_FEATURE_CRC32),)
 CPUFLAGS += CRC32
 endif
 
+ifneq ($(filter $(AUTO_CPUFLAGS),__ARM_FEATURE_CRYPTO),)
+CPUFLAGS += AES
+CPUFLAGS += PMULL
+CPUFLAGS += SHA1
+CPUFLAGS += SHA2
+endif
 
 MACHINE_CFLAGS += $(addprefix -DRTE_MACHINE_CPUFLAG_,$(CPUFLAGS))
 
+# Check if the compiler suppoerts AVX512
+CC_SUPPORT_AVX512F := $(shell $(CC) -mavx512f -dM -E - < /dev/null 2>&1 | grep -q AVX512 && echo 1)
+ifeq ($(CC_SUPPORT_AVX512F),1)
+ifeq ($(CONFIG_RTE_ENABLE_AVX512),y)
+MACHINE_CFLAGS += -DCC_SUPPORT_AVX512F
+endif
+endif
+
+# Check if the compiler supports AVX2
+CC_SUPPORT_AVX2 := $(shell $(CC) -mavx2 -dM -E - < /dev/null 2>&1 | grep -q AVX2 && echo 1)
+ifeq ($(CC_SUPPORT_AVX2),1)
+MACHINE_CFLAGS += -DCC_SUPPORT_AVX2
+endif
+
 # To strip whitespace
 comma:= ,
 empty:=