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Annotation of 43BSDReno/lib/libc/tahoe/fpe/cmpd.s, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1986 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * This code is derived from software contributed to Berkeley by
        !             6:  * Computer Consoles Inc.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms are permitted
        !             9:  * provided that: (1) source distributions retain this entire copyright
        !            10:  * notice and comment, and (2) distributions including binaries display
        !            11:  * the following acknowledgement:  ``This product includes software
        !            12:  * developed by the University of California, Berkeley and its contributors''
        !            13:  * in the documentation or other materials provided with the distribution
        !            14:  * and in all advertising materials mentioning features or use of this
        !            15:  * software. Neither the name of the University nor the names of its
        !            16:  * contributors may be used to endorse or promote products derived
        !            17:  * from this software without specific prior written permission.
        !            18:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            19:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            20:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            21:  */
        !            22: 
        !            23: #if defined(SYSLIBC_SCCS) && !defined(lint)
        !            24:        .asciz "@(#)cmpd.s      1.4 (Berkeley) 6/1/90"
        !            25: #endif /* SYSLIBC_SCCS and not lint */
        !            26: 
        !            27: #include "DEFS.h"
        !            28: 
        !            29: XENTRY(cmpd, R12|R11|R10|R9)
        !            30:        movl    4(fp),r12
        !            31:        movl    8(fp),r10
        !            32:        movl    12(fp),r11
        !            33:        movl    16(fp),r9
        !            34:        tstl    r12
        !            35:        jgeq    L16
        !            36:        xorl2   $-2147483648,r12
        !            37:        tstl    r10
        !            38:        jeql    L17
        !            39:        mnegl   r10,r10
        !            40:        mcoml   r12,r12
        !            41:        jbr     L16
        !            42: L17:   mnegl   r12,r12
        !            43: L16:   tstl    r11
        !            44:        jgeq    L19
        !            45:        xorl2   $-2147483648,r11
        !            46:        tstl    r9
        !            47:        jeql    L20
        !            48:        mnegl   r9,r9
        !            49:        mcoml   r11,r11
        !            50:        jbr     L19
        !            51: L20:   mnegl   r11,r11
        !            52: L19:   cmpl    r12,r11
        !            53:        jeql    L22
        !            54:        cmpl    r12,r11
        !            55:        jleq    L9999
        !            56:        movl    $1,r0
        !            57:        jbr     L9998
        !            58: L9999: mnegl   $1,r0
        !            59: L9998: ret
        !            60: L22:   cmpl    r10,r9
        !            61:        jeql    L23
        !            62:        cmpl    r10,r9
        !            63:        jlequ   L9997
        !            64:        movl    $1,r0
        !            65:        jbr     L9996
        !            66: L9997: mnegl   $1,r0
        !            67: L9996: ret
        !            68: L23:   clrl    r0
        !            69:        ret

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