| /* Sparc optimized memcmp code. | |
| * | |
| * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) | |
| * Copyright (C) 2000, 2008 David S. Miller (davem@davemloft.net) | |
| */ | |
| #include <linux/linkage.h> | |
| #include <asm/asm.h> | |
| .text | |
| ENTRY(memcmp) | |
| cmp %o2, 0 | |
| 1: BRANCH32(be, pn, 2f) | |
| nop | |
| ldub [%o0], %g7 | |
| ldub [%o1], %g3 | |
| sub %o2, 1, %o2 | |
| add %o0, 1, %o0 | |
| add %o1, 1, %o1 | |
| subcc %g7, %g3, %g3 | |
| BRANCH32(be, pt, 1b) | |
| cmp %o2, 0 | |
| retl | |
| mov %g3, %o0 | |
| 2: retl | |
| mov 0, %o0 | |
| ENDPROC(memcmp) |