os161-1.99
 All Data Structures
notdi2.c
00001 /*-
00002  * Copyright (c) 1992, 1993
00003  *      The Regents of the University of California.  All rights reserved.
00004  *
00005  * This software was developed by the Computer Systems Engineering group
00006  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
00007  * contributed to Berkeley.
00008  *
00009  * Redistribution and use in source and binary forms, with or without
00010  * modification, are permitted provided that the following conditions
00011  * are met:
00012  * 1. Redistributions of source code must retain the above copyright
00013  *    notice, this list of conditions and the following disclaimer.
00014  * 2. Redistributions in binary form must reproduce the above copyright
00015  *    notice, this list of conditions and the following disclaimer in the
00016  *    documentation and/or other materials provided with the distribution.
00017  * 3. Neither the name of the University nor the names of its contributors
00018  *    may be used to endorse or promote products derived from this software
00019  *    without specific prior written permission.
00020  *
00021  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
00022  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00023  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00024  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
00025  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00026  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00027  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00028  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00029  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00030  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00031  * SUCH DAMAGE.
00032  *
00033  * From:
00034  *      @(#)notdi2.c    8.1 (Berkeley) 6/4/93
00035  *      NetBSD: notdi2.c,v 1.1 2005/12/20 19:28:51 christos Exp
00036  */
00037 
00038 #include "longlong.h"
00039 
00040 /*
00041  * Return ~a.  For some reason gcc calls this `one's complement' rather
00042  * than `not'.
00043  */
00044 long long
00045 __one_cmpldi2(long long a)
00046 {
00047         union uu aa;
00048 
00049         aa.ll = a;
00050         aa.ui[0] = ~aa.ui[0];
00051         aa.ui[1] = ~aa.ui[1];
00052         return (aa.ll);
00053 }
 All Data Structures