[committed, PATCH] Add a comment in memset-sse2-unaligned-erms.S
H.J. Lu
hongjiu.lu@intel.com
Tue Apr 5 12:22:00 GMT 2016
* sysdeps/x86_64/multiarch/memset-sse2-unaligned-erms.S: Add
a comment on VMOVU and VMOVA.
---
sysdeps/x86_64/multiarch/memset-sse2-unaligned-erms.S | 2 ++
1 file changed, 2 insertions(+)
diff --git a/sysdeps/x86_64/multiarch/memset-sse2-unaligned-erms.S b/sysdeps/x86_64/multiarch/memset-sse2-unaligned-erms.S
index 2deba42..4bf3d36 100644
--- a/sysdeps/x86_64/multiarch/memset-sse2-unaligned-erms.S
+++ b/sysdeps/x86_64/multiarch/memset-sse2-unaligned-erms.S
@@ -1,6 +1,8 @@
#if IS_IN (libc)
# define VEC_SIZE 16
# define VEC(i) xmm##i
+/* Don't use movups and movaps since it will get larger nop paddings
+ for alignment. */
# define VMOVU movdqu
# define VMOVA movdqa
--
2.5.5
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