/* | |
* Sparc64 optimized strncmp code. | |
* | |
* Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) | |
*/ | |
#include <linux/linkage.h> | |
#include <asm/asi.h> | |
.text | |
ENTRY(strncmp) | |
brlez,pn %o2, 3f | |
lduba [%o0] (ASI_PNF), %o3 | |
1: | |
add %o0, 1, %o0 | |
ldub [%o1], %o4 | |
brz,pn %o3, 2f | |
add %o1, 1, %o1 | |
cmp %o3, %o4 | |
bne,pn %icc, 2f | |
subcc %o2, 1, %o2 | |
bne,a,pt %xcc, 1b | |
ldub [%o0], %o3 | |
2: | |
retl | |
sub %o3, %o4, %o0 | |
3: | |
retl | |
clr %o0 | |
ENDPROC(strncmp) |