diff options
author | Anton Blanchard <anton@samba.org> | 2016-05-25 22:39:55 (GMT) |
---|---|---|
committer | Michael Ellerman <mpe@ellerman.id.au> | 2016-06-14 03:58:25 (GMT) |
commit | 87a156fb18fe15d012c3db506b6b8b001af2e58d (patch) | |
tree | 186a46983103697a7cb68f6dd3023eda7ba92c97 /arch/powerpc/lib/string.S | |
parent | 3ece16632b64120df2ef566ce32afbdb4aa8af1e (diff) | |
download | linux-87a156fb18fe15d012c3db506b6b8b001af2e58d.tar.xz |
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>
Diffstat (limited to 'arch/powerpc/lib/string.S')
-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 a947056..beabc68 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 |