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Commit c83858b3 authored by Michal Simek's avatar Michal Simek
Browse files

microblaze: Change label names - copy_tofrom_user



Change label name to be prepared for loop unrolling.

Signed-off-by: default avatarMichal Simek <monstr@monstr.eu>
parent eedac791
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+13 −14
Original line number Diff line number Diff line
@@ -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