Align the hot loops in our assembly implementation of strncpy(),
strncmp() and memchr().
Signed-off-by: Anton Blanchard <an...@samba.org>
---
Index: linux.junk/arch/powerpc/lib/string.S
===================================================================
--- linux.junk.orig/arch/powerpc/lib/string.S
+++ linux.junk/arch/powerpc/lib/string.S
@@ -24,6 +24,7 @@ _GLOBAL(strncpy)
mtctr r5
addi r6,r3,-1
addi r4,r4,-1
+ .balign 16
1: lbzu r0,1(r4)
cmpwi 0,r0,0
stbu r0,1(r6)
@@ -42,6 +43,7 @@ _GLOBAL(strncmp)
mtctr r5
addi r5,r3,-1
addi r4,r4,-1
+ .balign 16
1: lbzu r3,1(r5)
cmpwi 1,r3,0
lbzu r0,1(r4)
@@ -73,6 +75,7 @@ _GLOBAL(memchr)
beq- 2f
mtctr r5
addi r3,r3,-1
+ .balign 16
1: lbzu r0,1(r3)
cmpw 0,r0,r4
bdnzf 2,1b
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