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GNU C Library master sources branch master updated. glibc-2.19-335-g1775bab
- From: azanella at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 30 Apr 2014 13:42:41 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.19-335-g1775bab
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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=1775babf2be39c3e09eb8b855379d0aca867abeb
commit 1775babf2be39c3e09eb8b855379d0aca867abeb
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date: Tue Apr 29 14:15:45 2014 -0500
More fixes for unsafe compiler optimization
GCC 4.9 -ftree-loop-distribute-patterns now may transform loops in
memcpy. Add the alias to internal GLIBC symbol to avoid PLT creation.
diff --git a/ChangeLog b/ChangeLog
index 6bacb5c..054072f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2014-04-30 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
+
+ * * sysdeps/generic/symbol-hacks.h (memcpy): Add internal alias.
+
2014-04-30 Yang Yingliang <yangyingliang@huawei.com>
* nptl/pthread_cond_broadcast.c (__pthread_cond_broadcast):
diff --git a/sysdeps/generic/symbol-hacks.h b/sysdeps/generic/symbol-hacks.h
index 9eaf014..6bec24b 100644
--- a/sysdeps/generic/symbol-hacks.h
+++ b/sysdeps/generic/symbol-hacks.h
@@ -3,4 +3,5 @@
#if !defined __ASSEMBLER__ && !defined NOT_IN_libc && defined SHARED
asm ("memmove = __GI_memmove");
asm ("memset = __GI_memset");
+asm ("memcpy = __GI_memcpy");
#endif
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 4 ++++
sysdeps/generic/symbol-hacks.h | 1 +
2 files changed, 5 insertions(+), 0 deletions(-)
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