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GNU C Library master sources branch master updated. glibc-2.23-119-g3c9a4cd
- From: hjl at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 22 Mar 2016 15:41:31 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.23-119-g3c9a4cd
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- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=3c9a4cd16cbc7b79094fec68add2df66061ab5d7
commit 3c9a4cd16cbc7b79094fec68add2df66061ab5d7
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Mar 22 08:36:16 2016 -0700
Don't set %rcx twice before "rep movsb"
* sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S (MEMCPY):
Don't set %rcx twice before "rep movsb".
diff --git a/ChangeLog b/ChangeLog
index 522bc4f..54454a5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
2016-03-22 H.J. Lu <hongjiu.lu@intel.com>
+ * sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S (MEMCPY):
+ Don't set %rcx twice before "rep movsb".
+
+2016-03-22 H.J. Lu <hongjiu.lu@intel.com>
+
[BZ #19583]
* sysdeps/x86/cpu-features.c (get_common_indeces): Remove
inline. Check family before setting family, model and
diff --git a/sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S b/sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S
index 74fed18..b615d06 100644
--- a/sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S
+++ b/sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S
@@ -234,7 +234,6 @@ L(gobble_data_movsb):
cmp %rcx, %rdx
jae L(gobble_big_data_fwd)
mov %rdx, %rcx
- mov %rdx, %rcx
rep movsb
ret
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +++++
sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S | 1 -
2 files changed, 5 insertions(+), 1 deletions(-)
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