vppinfra: small optimization in clib_memset_u64

Type: improvement
Change-Id: I4b89c32c224caf8a3a4ac94b26ecefffd26c7038
Signed-off-by: Damjan Marion <damarion@cisco.com>

diff --git a/src/vppinfra/string.h b/src/vppinfra/string.h
index 8c5bea1..0b18767 100644 (file)
--- 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;
     }