From: Jose E. Marchesi Date: Sat, 17 May 2014 18:20:27 +0000 (-0700) Subject: Fix sparc memcpy data corruption when using niagara2 optimized routines. X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f2b605ed8882a922c403386b2af7e7a5eecbf39f;p=thirdparty%2Fglibc.git 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 f008fb468df..2a14ec2399f 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2014-05-17 Jose E. Marchesi + + [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 [BZ #16943] diff --git a/NEWS b/NEWS index 482561767f4..4cbe73644e1 100644 --- a/NEWS +++ b/NEWS @@ -10,7 +10,7 @@ Version 2.18.1 * The following bugs are resolved with this release: 15073, 15128, 15909, 15996, 16150, 16169, 16387, 16510, 16885, 16916, - 16943. + 16943, 16958. Version 2.18 diff --git a/sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S b/sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S index 594405051f4..63ba0811d0e 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