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authorMichal Simek <monstr@monstr.eu>2011-06-10 11:07:55 +0200
committerMichal Simek <monstr@monstr.eu>2011-10-14 12:24:22 +0200
commitc83858b3e6e8db9dbb17641de1a2420bb102ae31 (patch)
treef0cc549fb0d73478819978c69b2d37abc53209a2 /arch/microblaze/lib
parenteedac7914dd4d6effa0b970a36efd898c9fc4873 (diff)
downloadlinux-c83858b3e6e8db9dbb17641de1a2420bb102ae31.tar.gz
microblaze: Change label names - copy_tofrom_user
Change label name to be prepared for loop unrolling. Signed-off-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'arch/microblaze/lib')
-rw-r--r--arch/microblaze/lib/uaccess_old.S27
1 files changed, 13 insertions, 14 deletions
diff --git a/arch/microblaze/lib/uaccess_old.S b/arch/microblaze/lib/uaccess_old.S
index bacfedc3c7d..6dfd4a08726 100644
--- a/arch/microblaze/lib/uaccess_old.S
+++ b/arch/microblaze/lib/uaccess_old.S
@@ -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