diff mbox series

[v3,1/4] arch/arm: add vcopyq intrinsic for aarch32

Message ID 20200624071016.210656-2-ruifeng.wang@arm.com (mailing list archive)
State Accepted, archived
Delegated to: Ferruh Yigit
Headers
Series aarch32 compilation |

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/iol-broadcom-Performance success Performance Testing PASS
ci/iol-intel-Performance success Performance Testing PASS
ci/iol-nxp-Performance success Performance Testing PASS
ci/iol-mellanox-Performance success Performance Testing PASS
ci/Intel-compilation success Compilation OK
ci/iol-testing success Testing PASS

Commit Message

Ruifeng Wang June 24, 2020, 7:10 a.m. UTC 
  vcopyq_laneq_u32 should be implemented for aarch32 which doesn't have
the intrinsic.
This fixes build of examples/l3fwd for armv7.

Fixes: 3c4b4024c225 ("arch/arm: add vcopyq_laneq_u32 for old gcc")
Cc: stable@dpdk.org

Signed-off-by: Ruifeng Wang <ruifeng.wang@arm.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
---
 lib/librte_eal/arm/include/rte_vect.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/lib/librte_eal/arm/include/rte_vect.h b/lib/librte_eal/arm/include/rte_vect.h
index 9287a1117..d7c8aa61e 100644
--- a/lib/librte_eal/arm/include/rte_vect.h
+++ b/lib/librte_eal/arm/include/rte_vect.h
@@ -62,7 +62,11 @@  vaddvq_u16(uint16x8_t a)
 
 #endif
 
-#if RTE_CC_IS_GNU && (GCC_VERSION < 70000)
+#if defined(RTE_ARCH_ARM) || \
+(defined(RTE_ARCH_ARM64) && RTE_CC_IS_GNU && (GCC_VERSION < 70000))
+/* NEON intrinsic vcopyq_laneq_u32() is not supported in ARMv7-A(AArch32)
+ * On AArch64, this intrinsic is supported since GCC versioin 7.
+ */
 static inline uint32x4_t
 vcopyq_laneq_u32(uint32x4_t a, const int lane_a,
 		 uint32x4_t b, const int lane_b)