[dpdk-dev] [PATCH v10 14/18] member: check max SIMD bitwidth
David Marchand
david.marchand at redhat.com
Mon Oct 19 15:48:54 CEST 2020
From: Ciara Power <ciara.power at intel.com>
When choosing a vector path to take, an extra condition must be
satisfied to ensure the max SIMD bitwidth allows for the CPU
enabled path.
Signed-off-by: Ciara Power <ciara.power at intel.com>
Acked-by: Yipeng Wang <yipeng1.wang at intel.com>
---
v4: Updated enum name.
---
lib/librte_member/rte_member_ht.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/lib/librte_member/rte_member_ht.c b/lib/librte_member/rte_member_ht.c
index 3ea293a094..a85561b472 100644
--- a/lib/librte_member/rte_member_ht.c
+++ b/lib/librte_member/rte_member_ht.c
@@ -7,6 +7,7 @@
#include <rte_prefetch.h>
#include <rte_random.h>
#include <rte_log.h>
+#include <rte_vect.h>
#include "rte_member.h"
#include "rte_member_ht.h"
@@ -113,7 +114,8 @@ rte_member_create_ht(struct rte_member_setsum *ss,
}
#if defined(RTE_ARCH_X86)
if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2) &&
- RTE_MEMBER_BUCKET_ENTRIES == 16)
+ RTE_MEMBER_BUCKET_ENTRIES == 16 &&
+ rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_256)
ss->sig_cmp_fn = RTE_MEMBER_COMPARE_AVX2;
else
#endif
--
2.23.0
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