Commit | Line | Data |
---|---|---|
b00dc837 | 1 | /* |
1da177e4 LT |
2 | * Sparc64 optimized strncmp code. |
3 | * | |
4 | * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) | |
5 | */ | |
6 | ||
7 | #include <asm/asi.h> | |
8 | ||
9 | .text | |
10 | .align 32 | |
11 | .globl strncmp | |
12 | .type strncmp,#function | |
13 | strncmp: | |
14 | brlez,pn %o2, 3f | |
15 | lduba [%o0] (ASI_PNF), %o3 | |
16 | 1: | |
17 | add %o0, 1, %o0 | |
18 | ldub [%o1], %o4 | |
19 | brz,pn %o3, 2f | |
20 | add %o1, 1, %o1 | |
21 | cmp %o3, %o4 | |
22 | bne,pn %icc, 2f | |
23 | subcc %o2, 1, %o2 | |
24 | bne,a,pt %xcc, 1b | |
25 | ldub [%o0], %o3 | |
26 | 2: | |
27 | retl | |
28 | sub %o3, %o4, %o0 | |
29 | 3: | |
30 | retl | |
31 | clr %o0 | |
32 | .size strncmp, .-strncmp |