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GNU C Library master sources branch release/2.17/master updated. glibc-2.17-19-g8c19f86
- From: davem at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 17 May 2014 21:19:37 -0000
- Subject: GNU C Library master sources branch release/2.17/master updated. glibc-2.17-19-g8c19f86
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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=8c19f86e356cd28180eb199f07670de5f32f82b9
commit 8c19f86e356cd28180eb199f07670de5f32f82b9
Author: Jose E. Marchesi <jose.marchesi@oracle.com>
Date: Sat May 17 11:20:27 2014 -0700
Fix sparc memcpy data corruption when using niagara2 optimized routines.
* sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S: Add missing
membar to avoid block loads/stores to overlap previous stores.
diff --git a/ChangeLog b/ChangeLog
index 7e235ac..ef667cc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2014-05-17 Jose E. Marchesi <jose.marchesi@oracle.com>
+
+ [BZ #16958]
+ * sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S: Add missing
+ membar to avoid block loads/stores to overlap previous stores.
+
2014-05-16 Aurelien Jarno <aurelien@aurel32.net>
[BZ #16943]
diff --git a/NEWS b/NEWS
index 7703b6e..9ab955a 100644
--- a/NEWS
+++ b/NEWS
@@ -8,7 +8,7 @@ using `glibc' in the "product" field.
Version 2.17.1
* The following bugs are resolved with this release:
- 15003, 15006, 15073, 15122, 15759, 16510, 16885, 16916, 16943.
+ 15003, 15006, 15073, 15122, 15759, 16510, 16885, 16916, 16943, 16958.
Version 2.17
diff --git a/sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S b/sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S
index fb815e5..93f87f7 100644
--- a/sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S
+++ b/sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S
@@ -211,6 +211,7 @@ ENTRY(__memcpy_niagara2)
*/
VISEntryHalf
+ membar #Sync
alignaddr %o1, %g0, %g0
add %o1, (64 - 1), %o4
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 2 +-
sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S | 1 +
3 files changed, 8 insertions(+), 1 deletions(-)
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