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>
diff --git a/arch/microblaze/lib/uaccess_old.S b/arch/microblaze/lib/uaccess_old.S
index 142492e..f037266 100644
--- a/arch/microblaze/lib/uaccess_old.S
+++ b/arch/microblaze/lib/uaccess_old.S
@@ -34,8 +34,8 @@
* 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 @@
.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 */