projects / linux-2.6-block.git / blame
| 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 |