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microblaze: Change label names - copy_tofrom_user 

Change label name to be prepared for loop unrolling.

Signed-off-by: Michal Simek <monstr@monstr.eu>
This commit is contained in:
Michal Simek 2011-06-10 11:07:55 +02:00
parent eedac7914d
commit c83858b3e6
1 changed files with 13 additions and 14 deletions
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27
arch/microblaze/lib/uaccess_old.S
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@ -121,32 +121,31 @@ __copy_tofrom_user:
*/
beqid r7, 0f /* zero size is not likely */
andi r3, r7, 0x3 /* filter add count */
bneid r3, 4f /* if is odd value then byte copying */
bneid r3, bu /* if is odd value then byte copying */
or r3, r5, r6 /* find if is any to/from unaligned */
andi r3, r3, 0x3 /* mask unaligned */
bneid r3, 1f /* it is unaligned -> then jump */
bneid r3, bu1 /* it is unaligned -> then jump */
or r3, r0, r0
/* at least one 4 byte copy */
5: lw r4, r6, r3
6: sw r4, r5, r3
w1: lw r4, r6, r3 /* at least one 4 byte copy */
w2: sw r4, r5, r3
addik r7, r7, -4
bneid r7, 5b
bneid r7, w1
addik r3, r3, 4
addik r3, r7, 0
rtsd r15, 8
nop
.section __ex_table,"a"
.word 5b, 0f;
.word 6b, 0f;
.word w1, 0f;
.word w2, 0f;
.text
4: or r3, r0, r0
1: lbu r4,r6,r3
2: sb r4,r5,r3
bu: or r3, r0, r0
bu1: lbu r4,r6,r3
bu2: sb r4,r5,r3
addik r7,r7,-1
bneid r7,1b
bneid r7,bu1
addik r3,r3,1 /* delay slot */
0:
addik r3,r7,0
@ -155,6 +154,6 @@ __copy_tofrom_user:
.size __copy_tofrom_user, . - __copy_tofrom_user
.section __ex_table,"a"
.word 1b, 0b;
.word 2b, 0b;
.word bu1, 0b;
.word bu2, 0b;
.text