/* 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)
