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authorDamjan Marion <damarion@cisco.com>2022-01-31 17:42:44 +0100
committerFlorin Coras <florin.coras@gmail.com>2022-02-10 16:31:41 +0000
commit137d4ca67bb525f2e2214cc42c2cb3866fc16dc4 (patch)
tree4b172034220e628a768739c0a3df0ed53087af27
parentbc0ef7aef5624fefdc5592f9a2c179993a78bfcc (diff)
vppinfra: small optimization in clib_memset_u64
Type: improvement Change-Id: I4b89c32c224caf8a3a4ac94b26ecefffd26c7038 Signed-off-by: Damjan Marion <damarion@cisco.com>
-rw-r--r--src/vppinfra/string.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/vppinfra/string.h b/src/vppinfra/string.h
index 8c5bea16393..0b187672816 100644
--- a/src/vppinfra/string.h
+++ b/src/vppinfra/string.h
@@ -320,9 +320,17 @@ clib_memset_u64 (void *p, u64 val, uword count)
if (count == 0)
return;
#else
+#if defined(CLIB_HAVE_VEC128)
+ u64x2 v = u64x2_splat (val);
+#endif
while (count >= 4)
{
+#if defined(CLIB_HAVE_VEC128)
+ u64x2_store_unaligned (v, ptr);
+ u64x2_store_unaligned (v, ptr + 2);
+#else
ptr[0] = ptr[1] = ptr[2] = ptr[3] = val;
+#endif
ptr += 4;
count -= 4;
}