usr/src/lib/libc/vax/gen/bzero.s

/*
 * 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  "@(#)bzero.s    5.3 (Berkeley) 3/9/86"
#endif LIBC_SCCS

/* bzero(base, length) */

#include "DEFS.h"

ENTRY(bzero, 0)
        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