1/* Sparc optimized memcmp code. 2 * 3 * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) 4 * Copyright (C) 2000, 2008 David S. Miller (davem@davemloft.net) 5 */ 6 7#include <linux/linkage.h> 8#include <asm/asm.h> 9#include <asm/export.h> 10 11 .text 12ENTRY(memcmp) 13 cmp %o2, 0 141: BRANCH32(be, pn, 2f) 15 nop 16 ldub [%o0], %g7 17 ldub [%o1], %g3 18 sub %o2, 1, %o2 19 add %o0, 1, %o0 20 add %o1, 1, %o1 21 subcc %g7, %g3, %g3 22 BRANCH32(be, pt, 1b) 23 cmp %o2, 0 24 retl 25 mov %g3, %o0 262: retl 27 mov 0, %o0 28ENDPROC(memcmp) 29EXPORT_SYMBOL(memcmp) 30