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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>
This commit is contained in:
Michal Simek 2011-10-02 13:07:02 +02:00
parent 90fcf38363
commit cb5edfe3e5
1 changed files with 2 additions and 2 deletions
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4
arch/microblaze/lib/uaccess_old.S
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@ -34,8 +34,8 @@ __strncpy_user:
* r3 - temp count * r3 - temp count
* r4 - temp val * r4 - temp val
*/ */
beqid r7,3f
addik r3,r7,0 /* temp_count = len */ addik r3,r7,0 /* temp_count = len */
beqi r3,3f
1: 1:
lbu r4,r6,r0 lbu r4,r6,r0
sb r4,r5,r0 sb r4,r5,r0
@ -77,8 +77,8 @@ __strncpy_user:
.type __strnlen_user, @function .type __strnlen_user, @function
.align 4; .align 4;
__strnlen_user: __strnlen_user:
beqid r6,3f
addik r3,r6,0 addik r3,r6,0
beqi r3,3f
1: 1:
lbu r4,r5,r0 lbu r4,r5,r0
beqid r4,2f /* break on NUL */ beqid r4,2f /* break on NUL */