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Annotation of kernel/machdep/ppc/longlong.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: /*
        !            26:  * Routines to optimize some forms of long-long math.
        !            27:  *
        !            28:  * Copyright (c) 1992-1993 NeXT, Inc.
        !            29:  *
        !            30:  * HISTORY
        !            31:  *
        !            32:  *  16Aug93 Mac Gillon at NeXT
        !            33:  *     hppa version
        !            34:  *  
        !            35:  *  23Nov92 Mac Gillon at NeXT
        !            36:  *      68K version
        !            37:  *
        !            38:  *  1Nov92 Brian Pinkerton at NeXT
        !            39:  *     Created.
        !            40:  */
        !            41: 
        !            42: static inline void
        !            43: llp_div_l(unsigned long long *ll, unsigned int divisor, unsigned int *remain)
        !            44: {
        !            45: 
        !            46:        unsigned long long      copy = *ll;
        !            47:        
        !            48:        *ll = copy / divisor;
        !            49:        *remain = (unsigned int) (copy % divisor);
        !            50: 
        !            51: }
        !            52: 
        !            53: 
        !            54: static inline unsigned int
        !            55: ll_div_l(unsigned long long ll, unsigned int divisor)
        !            56: {
        !            57:        return (unsigned int) (ll / divisor);
        !            58: 
        !            59: }

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