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| author | Anton Blanchard | 2016-05-26 00:39:55 +0200 |
|---|---|---|
| committer | Michael Ellerman | 2016-06-14 05:58:25 +0200 |
| commit | 87a156fb18fe15d012c3db506b6b8b001af2e58d (patch) | |
| tree | 186a46983103697a7cb68f6dd3023eda7ba92c97 | |
| parent | powerpc: Remove assembly versions of strcpy, strcat, strlen and strcmp (diff) | |
| download | kernel-qcow2-linux-87a156fb18fe15d012c3db506b6b8b001af2e58d.tar.gz kernel-qcow2-linux-87a156fb18fe15d012c3db506b6b8b001af2e58d.tar.xz kernel-qcow2-linux-87a156fb18fe15d012c3db506b6b8b001af2e58d.zip | |
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 <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
| -rw-r--r-- | arch/powerpc/lib/string.S | 3 |
1 files changed, 3 insertions, 0 deletions
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 |