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File:  [CSRG BSD Unix] / 42BSD / lib / libc / vax / gen / bzero.s
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs
Tue Apr 24 16:12:53 2018 UTC (8 years, 1 month ago) by root
Branches: MAIN, BSD
CVS tags: HEAD, BSD42
BSD 4.2

/* @(#)bzero.s	4.2 1/14/83 */
/* bzero(base, length) */

#include "DEFS.h"

ENTRY(bzero)
	movl	4(ap),r3
	jbr	2f
1:
	subl2	r0,8(ap)
	movc5	$0,(r3),$0,r0,(r3)
2:
	movzwl	$65535,r0
	cmpl	8(ap),r0
	jgtr	1b
	movc5	$0,(r3),$0,8(ap),(r3)
	ret
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