| /* SPDX-License-Identifier: GPL-2.0 */ | |
| /* | |
| * Sparc64 optimized strncmp code. | |
| * | |
| * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) | |
| */ | |
| #include <linux/linkage.h> | |
| #include <asm/asi.h> | |
| #include <asm/export.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) | |
| EXPORT_SYMBOL(strncmp) |