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authorMichal Simek <monstr@monstr.eu>2011-10-02 13:07:02 +0200
committerMichal Simek <monstr@monstr.eu>2011-10-14 12:24:34 +0200
commitcb5edfe3e553d930f9a13cb75cfe395ee38cde23 (patch)
treed239df9396d0a5e1100690400234a18f0ec7707e /arch/microblaze/lib
parent90fcf383636f452ab027656e4fb7e95c79aa878c (diff)
downloadlinux-cb5edfe3e553d930f9a13cb75cfe395ee38cde23.tar.gz
microblaze: Use delay slot in __strnlen_user, __strncpy_user
Use delay slot to speedup if maxlen is zero. Signed-off-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'arch/microblaze/lib')
-rw-r--r--arch/microblaze/lib/uaccess_old.S4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/microblaze/lib/uaccess_old.S b/arch/microblaze/lib/uaccess_old.S
index 142492ec270..f037266cdaf 100644
--- a/arch/microblaze/lib/uaccess_old.S
+++ b/arch/microblaze/lib/uaccess_old.S
@@ -34,8 +34,8 @@ __strncpy_user:
* r3 - temp count
* r4 - temp val
*/
+ beqid r7,3f
addik r3,r7,0 /* temp_count = len */
- beqi r3,3f
1:
lbu r4,r6,r0
sb r4,r5,r0
@@ -77,8 +77,8 @@ __strncpy_user:
.type __strnlen_user, @function
.align 4;
__strnlen_user:
+ beqid r6,3f
addik r3,r6,0
- beqi r3,3f
1:
lbu r4,r5,r0
beqid r4,2f /* break on NUL */