From 9e6dad45f730560cc85fdb828fd85d49b953d623 Mon Sep 17 00:00:00 2001 From: "Jose E. Marchesi" Date: Sat, 17 May 2014 11:20:27 -0700 Subject: [PATCH] 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. --- ChangeLog | 6 ++++++ NEWS | 2 +- sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S | 1 + 3 files changed, 8 insertions(+), 1 deletion(-) diff --git a/ChangeLog b/ChangeLog index 21b76eee911..fb5cf2a1037 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. + 2014-05-13 Sami Kerola * timezone/Makefile ($(objpfx)tzselect): Use zonedir instead diff --git a/NEWS b/NEWS index ee1ea362374..dde85f2c509 100644 --- a/NEWS +++ b/NEWS @@ -9,7 +9,7 @@ Version 2.19.1 * The following bugs are resolved with this release: - 16545, 16623, 16885, 16916, 16943. + 16545, 16623, 16885, 16916, 16943, 16958. Version 2.19 diff --git a/sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S b/sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S index b43a9e3e536..a1a9642bd80 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 -- 2.47.2