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Annotation of 43BSDTahoe/lib/libc/gen/gen.vax/bzero.s, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1983 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are permitted
        !             6:  * provided that the above copyright notice and this paragraph are
        !             7:  * duplicated in all such forms and that any documentation,
        !             8:  * advertising materials, and other materials related to such
        !             9:  * distribution and use acknowledge that the software was developed
        !            10:  * by the University of California, Berkeley.  The name of the
        !            11:  * University may not be used to endorse or promote products derived
        !            12:  * from this software without specific prior written permission.
        !            13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            16:  */
        !            17: 
        !            18: #if defined(LIBC_SCCS) && !defined(lint)
        !            19:        .asciz "@(#)bzero.s     5.5 (Berkeley) 6/27/88"
        !            20: #endif /* LIBC_SCCS and not lint */
        !            21: 
        !            22: /* bzero(base, length) */
        !            23: 
        !            24: #include "DEFS.h"
        !            25: 
        !            26: ENTRY(bzero, 0)
        !            27:        movl    4(ap),r3
        !            28:        jbr     2f
        !            29: 1:
        !            30:        subl2   r0,8(ap)
        !            31:        movc5   $0,(r3),$0,r0,(r3)
        !            32: 2:
        !            33:        movzwl  $65535,r0
        !            34:        cmpl    8(ap),r0
        !            35:        jgtr    1b
        !            36:        movc5   $0,(r3),$0,8(ap),(r3)
        !            37:        ret

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