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-rw-r--r--ChangeLog7
-rw-r--r--NEWS2
-rw-r--r--sysdeps/x86_64/multiarch/strchr.S4
3 files changed, 10 insertions, 3 deletions
diff --git a/ChangeLog b/ChangeLog
index a363552ca7..7b9f810b34 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2010-10-25 Ulrich Drepper <drepper@redhat.com>
+
+ [BZ #12159]
+ * sysdeps/x86_64/multiarch/strchr.S: Fix propagation of search byte
+ into all bytes of SSE register.
+ Patch by Richard Li <richardpku@gmail.com>.
+
2010-10-24 Ulrich Drepper <drepper@redhat.com>
[BZ #12140]
diff --git a/NEWS b/NEWS
index 23f1e2df34..30bbd4bbf3 100644
--- a/NEWS
+++ b/NEWS
@@ -11,7 +11,7 @@ Version 2.13
3268, 7066, 10851, 11611, 11640, 11701, 11840, 11856, 11883, 11903, 11904,
11968, 11979, 12005, 12037, 12067, 12077, 12078, 12092, 12093, 12107, 12108,
- 12113, 12140
+ 12113, 12140, 12159
* New Linux interfaces: prlimit, prlimit64, fanotify_init, fanotify_mark
diff --git a/sysdeps/x86_64/multiarch/strchr.S b/sysdeps/x86_64/multiarch/strchr.S
index 27eead9852..71845a35fe 100644
--- a/sysdeps/x86_64/multiarch/strchr.S
+++ b/sysdeps/x86_64/multiarch/strchr.S
@@ -1,5 +1,5 @@
/* strchr with SSE4.2
- Copyright (C) 2009 Free Software Foundation, Inc.
+ Copyright (C) 2009, 2010 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -87,13 +87,13 @@ __strchr_sse42:
pxor %xmm2, %xmm2
movd %esi, %xmm1
movl %edi, %ecx
+ pshufb %xmm2, %xmm1
andl $15, %ecx
movq %rdi, %r8
je L(aligned_start)
/* Handle unaligned string. */
andq $-16, %r8
- pshufb %xmm2, %xmm1
movdqa (%r8), %xmm0
pcmpeqb %xmm0, %xmm2
pcmpeqb %xmm1, %xmm0