/* * Written by J.T. Conklin <jtc@NetBSD.org>. * Public domain. */ #include <machine/asm.h> #if defined(LIBC_SCCS) RCSID("$NetBSD: bcmp.S,v 1.10 2014/05/23 02:34:19 uebayasi Exp $") #endif ENTRY(bcmp) pushl %edi pushl %esi movl 12(%esp),%edi movl 16(%esp),%esi xorl %eax,%eax /* clear return value */ movl 20(%esp),%ecx /* compare by words */ shrl $2,%ecx repe cmpsl jne L1 movl 20(%esp),%ecx /* compare remainder by bytes */ andl $3,%ecx repe cmpsb je L2 L1: incl %eax L2: popl %esi popl %edi ret END(bcmp) |