#include #if defined(LIBC_SCCS) RCSID("$NetBSD: bcmp.S,v 1.2 2007/11/12 18:41:59 ad Exp $") #endif ENTRY(bcmp) xorl %eax,%eax /* clear return value */ movq %rdx,%rcx /* compare by words */ shrq $3,%rcx repe cmpsq jne L1 movq %rdx,%rcx /* compare remainder by bytes */ andq $7,%rcx repe cmpsb je L2 L1: incl %eax L2: ret