Small fix to POWER7 32-bit memset

(cherry-pick from commit ebd2e13d672d32bdc07e2ddadca68829840dd29c)

diff --git a/ChangeLog b/ChangeLog
index 38cad9403e2bf70dfb8850caded9975a66dbd8bd..9bde712fa13aa7e28c72ad153c52106199e90373 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2010-05-24  Luis Machado  <luisgpm@br.ibm.com>
+
+       * sysdeps/powerpc/powerpc32/power7/memset.S: POWER7 32-bit memset fix.
+
 2010-05-17  Luis Machado  <luisgpm@br.ibm.com>
        * sysdeps/powerpc/powerpc64/power7/memset.S: New file.
        * sysdeps/powerpc/powerpc32/power7/memset.S: New file.

diff --git a/sysdeps/powerpc/powerpc32/power7/memset.S b/sysdeps/powerpc/powerpc32/power7/memset.S
index 99d07ec8955fecfb8bfa7aa325abb7c7665922ba..8aabb49327584f4ce1fdd8247acf0a6ca779528b 100644 (file)
--- a/sysdeps/powerpc/powerpc32/power7/memset.S
+++ b/sysdeps/powerpc/powerpc32/power7/memset.S
@@ -155,7 +155,6 @@ L(big_loop):
        /* Now that we're probably past the LHS window, use the VSX to
           speed up the loop.  */
 L(big_loop_fast_setup):
-       li      0,0
        li      11,24
        li      6,16
        lxvdsx  4,1,11
@@ -163,12 +162,12 @@ L(big_loop_fast_setup):
        .align  4
 L(big_loop_fast):
        addi    12,10,32
-       stxvd2x 4,10,0
+       stxvd2x 4,0,10
        stxvd2x 4,10,6
        bdz     L(tail_bytes)
 
        addi    10,10,64
-       stxvd2x 4,12,0
+       stxvd2x 4,0,12
        stxvd2x 4,12,6
        bdnz    L(big_loop_fast)