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[committed, PATCH] Add a comment in memset-sse2-unaligned-erms.S
- From: "H.J. Lu" <hongjiu dot lu at intel dot com>
- To: GNU C Library <libc-alpha at sourceware dot org>
- Date: Tue, 5 Apr 2016 05:22:25 -0700
- Subject: [committed, PATCH] Add a comment in memset-sse2-unaligned-erms.S
- Authentication-results: sourceware.org; auth=none
- Reply-to: "H.J. Lu" <hjl dot tools at gmail dot com>
* 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