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GNU C Library master sources branch gentoo/2.23 updated. glibc-2.23-16-g4b06de8
- From: vapier at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 30 Mar 2016 22:09:21 -0000
- Subject: GNU C Library master sources branch gentoo/2.23 updated. glibc-2.23-16-g4b06de8
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The branch, gentoo/2.23 has been updated
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from e62ac4543797b29a8851a43ec03e3718200dd612 (commit)
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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=4b06de856395d37848fc97bbc032c8c3dce5eb52
commit 4b06de856395d37848fc97bbc032c8c3dce5eb52
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Mar 8 10:57:31 2016 -0800
Define _HAVE_STRING_ARCH_mempcpy to 1 for x86
Since x86 has an optimized mempcpy and GCC can inline mempcpy on x86,
define _HAVE_STRING_ARCH_mempcpy to 1 for x86.
[BZ #19759]
* sysdeps/x86/bits/string.h (_HAVE_STRING_ARCH_mempcpy): New.
(cherry picked from commit 2b35e48c0c547b3f6f81996ce7ad7d67e24c7329)
(cherry picked from commit b4456470a64a1e4e466a98dca3b51bf63fb5a13c)
diff --git a/sysdeps/x86/bits/string.h b/sysdeps/x86/bits/string.h
index e4e019f..8dfce05 100644
--- a/sysdeps/x86/bits/string.h
+++ b/sysdeps/x86/bits/string.h
@@ -23,6 +23,9 @@
/* Use the unaligned string inline ABI. */
#define _STRING_INLINE_unaligned 1
+/* Don't inline mempcpy into memcpy as x86 has an optimized mempcpy. */
+#define _HAVE_STRING_ARCH_mempcpy 1
+
/* Enable inline functions only for i486 or better when compiling for
ia32. */
#if !defined __x86_64__ && (defined __i486__ || defined __pentium__ \
-----------------------------------------------------------------------
Summary of changes:
sysdeps/x86/bits/string.h | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
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