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Revision 1.1, Tue Mar 4 16:15:11 2008 UTC (16 years, 3 months ago) by nbrk
Branch point for: MAIN

Initial revision

#include <machine/asm.h>

#if defined(LIBC_SCCS)
	RCSID("$NetBSD: bcmp.S,v 1.1 2001/06/19 00:22:45 fvdl Exp $")
#endif

ENTRY(bcmp)
	xorl	%eax,%eax		/* clear return value */
	cld				/* set compare direction forward */

	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