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Annotation of 43BSDReno/lib/libc/tahoe/fpe/cmpd.s, revision 1.1.1.1

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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