From 87a156fb18fe15d012c3db506b6b8b001af2e58d Mon Sep 17 00:00:00 2001 From: Anton Blanchard Date: Thu, 26 May 2016 08:39:55 +1000 Subject: [PATCH] powerpc: Align hot loops of some string functions Align the hot loops in our assembly implementation of strncpy(), strncmp() and memchr(). Signed-off-by: Anton Blanchard Signed-off-by: Michael Ellerman --- arch/powerpc/lib/string.S | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/powerpc/lib/string.S b/arch/powerpc/lib/string.S index a9470567df47..beabc68d9a1e 100644 --- a/arch/powerpc/lib/string.S +++ b/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 -- 2.20.1