File:  [CSRG BSD Unix] / 43BSD / lib / libc / vax / gen / bcmp.s
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs
Tue Apr 24 16:12:54 2018 UTC (8 years, 1 month ago) by root
Branches: MAIN, BSD
CVS tags: HEAD, BSD43
BSD 4.3

/*
 * Copyright (c) 1983 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */

#ifdef LIBC_SCCS
	.asciz	"@(#)bcmp.s	5.3 (Berkeley) 3/9/86"
#endif LIBC_SCCS

/* bcmp(s1, s2, n) */

#include "DEFS.h"

ENTRY(bcmp, 0)
	movl	4(ap),r1
	movl	8(ap),r3
	movl	12(ap),r4
1:
	movzwl	$65535,r0
	cmpl	r4,r0
	jleq	2f
	subl2	r0,r4
	cmpc3	r0,(r1),(r3)
	jeql	1b
	addl2	r4,r0
	ret
2:
	cmpc3	r4,(r1),(r3)
	ret

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