[dpdk-dev] [PATCH v3 3/4] arm: detect NEON by checking RTE_MACHINE_CPUFLAG_NEON

[Jan Viktorin]

User applications and DPDK libraries should detect the NEON by the
RTE_MACHINE_CPUFLAG_NEON. It guarantees that the arm_neon.h is present.

Signed-off-by: Jan Viktorin <viktorin at rehivetech.com>
---
 examples/l3fwd/l3fwd_em.c                              | 2 +-
 lib/librte_eal/common/include/arch/arm/rte_memcpy_32.h | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/examples/l3fwd/l3fwd_em.c b/examples/l3fwd/l3fwd_em.c
index 0adf8f4..4983eed 100644
--- a/examples/l3fwd/l3fwd_em.c
+++ b/examples/l3fwd/l3fwd_em.c
@@ -250,7 +250,7 @@ em_mask_key(void *key, xmm_t mask)
 
 	return _mm_and_si128(data, mask);
 }
-#elif defined(__ARM_NEON)
+#elif defined(RTE_MACHINE_CPUFLAG_NEON)
 static inline xmm_t
 em_mask_key(void *key, xmm_t mask)
 {
diff --git a/lib/librte_eal/common/include/arch/arm/rte_memcpy_32.h b/lib/librte_eal/common/include/arch/arm/rte_memcpy_32.h
index df47c0d..ad8bc65 100644
--- a/lib/librte_eal/common/include/arch/arm/rte_memcpy_32.h
+++ b/lib/librte_eal/common/include/arch/arm/rte_memcpy_32.h
@@ -42,7 +42,7 @@ extern "C" {
 
 #include "generic/rte_memcpy.h"
 
-#ifdef __ARM_NEON_FP
+#ifdef RTE_MACHINE_CPUFLAG_NEON
 
 /* ARM NEON Intrinsics are used to copy data */
 #include <arm_neon.h>
@@ -325,7 +325,7 @@ rte_memcpy_func(void *dst, const void *src, size_t n)
 	return memcpy(dst, src, n);
 }
 
-#endif /* __ARM_NEON_FP */
+#endif /* RTE_MACHINE_CPUFLAG_NEON */
 
 #ifdef __cplusplus
 }
-- 
2.7.0