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 10 .text 11ENTRY(memcmp) 12 cmp %o2, 0 131: BRANCH32(be, pn, 2f) 14 nop 15 ldub [%o0], %g7 16 ldub [%o1], %g3 17 sub %o2, 1, %o2 18 add %o0, 1, %o0 19 add %o1, 1, %o1 20 subcc %g7, %g3, %g3 21 BRANCH32(be, pt, 1b) 22 cmp %o2, 0 23 retl 24 mov %g3, %o0 252: retl 26 mov 0, %o0 27ENDPROC(memcmp) 28