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      1 /*
      2  * Written by J.T. Conklin <jtc (at) NetBSD.org>.
      3  * Public domain.
      4  */
      5 
      6 #include <machine/asm.h>
      7 
      8 #if defined(LIBC_SCCS)
      9 	RCSID("$NetBSD: bcmp.S,v 1.10 2014/05/23 02:34:19 uebayasi Exp $")
     10 #endif
     11 
     12 ENTRY(bcmp)
     13 	pushl	%edi
     14 	pushl	%esi
     15 	movl	12(%esp),%edi
     16 	movl	16(%esp),%esi
     17 	xorl	%eax,%eax		/* clear return value */
     18 
     19 	movl	20(%esp),%ecx		/* compare by words */
     20 	shrl	$2,%ecx
     21 	repe
     22 	cmpsl
     23 	jne	L1
     24 
     25 	movl	20(%esp),%ecx		/* compare remainder by bytes */
     26 	andl	$3,%ecx
     27 	repe
     28 	cmpsb
     29 	je	L2
     30 
     31 L1:	incl	%eax
     32 L2:	popl	%esi
     33 	popl	%edi
     34 	ret
     35 END(bcmp)
     36