[v2,14/17] distributor: add checks for max SIMD bitwidth

Message ID 20200827161304.32300-15-ciara.power@intel.com (mailing list archive)
State Superseded, archived
Delegated to: David Marchand
Series add max SIMD bitwidth to EAL |


Context Check Description
ci/checkpatch success coding style OK

Commit Message

Power, Ciara Aug. 27, 2020, 4:13 p.m. UTC
  When choosing a vector path to take, an extra condition must be
satisfied to ensure the max SIMD bitwidth allows for the CPU enabled

Cc: David Hunt <david.hunt@intel.com>

Signed-off-by: Ciara Power <ciara.power@intel.com>
 lib/librte_distributor/rte_distributor.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)


diff --git a/lib/librte_distributor/rte_distributor.c b/lib/librte_distributor/rte_distributor.c
index 1c047f065a..9f0a9b1d48 100644
--- a/lib/librte_distributor/rte_distributor.c
+++ b/lib/librte_distributor/rte_distributor.c
@@ -636,7 +636,8 @@  rte_distributor_create(const char *name,
 	d->dist_match_fn = RTE_DIST_MATCH_SCALAR;
 #if defined(RTE_ARCH_X86)
-	d->dist_match_fn = RTE_DIST_MATCH_VECTOR;
+	if (rte_get_max_simd_bitwidth() >= RTE_MAX_128_SIMD)
+		d->dist_match_fn = RTE_DIST_MATCH_VECTOR;