Commit | Line | Data |
---|---|---|
b00dc837 | 1 | /* |
1da177e4 LT |
2 | * Sparc64 optimized memcmp code. |
3 | * | |
4 | * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) | |
5 | * Copyright (C) 2000 David S. Miller (davem@redhat.com) | |
6 | */ | |
7 | ||
8 | .text | |
9 | .align 32 | |
10 | .globl __memcmp, memcmp | |
11 | __memcmp: | |
12 | memcmp: | |
13 | cmp %o2, 0 ! IEU1 Group | |
14 | loop: be,pn %icc, ret_0 ! CTI | |
15 | nop ! IEU0 | |
16 | ldub [%o0], %g7 ! LSU Group | |
17 | ldub [%o1], %g3 ! LSU Group | |
18 | sub %o2, 1, %o2 ! IEU0 | |
19 | add %o0, 1, %o0 ! IEU1 | |
20 | add %o1, 1, %o1 ! IEU0 Group | |
21 | subcc %g7, %g3, %g3 ! IEU1 Group | |
22 | be,pt %icc, loop ! CTI | |
23 | cmp %o2, 0 ! IEU1 Group | |
24 | ||
25 | ret_n0: retl | |
26 | mov %g3, %o0 | |
27 | ret_0: retl | |
28 | mov 0, %o0 |