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      1  1.7      matt /*	$NetBSD: fixdfdi.c,v 1.7 2013/02/03 01:48:53 matt Exp $	*/
      2  1.2       cgd 
      3  1.1   mycroft /*-
      4  1.1   mycroft  * Copyright (c) 1992, 1993
      5  1.1   mycroft  *	The Regents of the University of California.  All rights reserved.
      6  1.1   mycroft  *
      7  1.1   mycroft  * This software was developed by the Computer Systems Engineering group
      8  1.1   mycroft  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
      9  1.1   mycroft  * contributed to Berkeley.
     10  1.1   mycroft  *
     11  1.1   mycroft  * Redistribution and use in source and binary forms, with or without
     12  1.1   mycroft  * modification, are permitted provided that the following conditions
     13  1.1   mycroft  * are met:
     14  1.1   mycroft  * 1. Redistributions of source code must retain the above copyright
     15  1.1   mycroft  *    notice, this list of conditions and the following disclaimer.
     16  1.1   mycroft  * 2. Redistributions in binary form must reproduce the above copyright
     17  1.1   mycroft  *    notice, this list of conditions and the following disclaimer in the
     18  1.1   mycroft  *    documentation and/or other materials provided with the distribution.
     19  1.4       agc  * 3. Neither the name of the University nor the names of its contributors
     20  1.1   mycroft  *    may be used to endorse or promote products derived from this software
     21  1.1   mycroft  *    without specific prior written permission.
     22  1.1   mycroft  *
     23  1.1   mycroft  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  1.1   mycroft  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  1.1   mycroft  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  1.1   mycroft  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  1.1   mycroft  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  1.1   mycroft  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  1.1   mycroft  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  1.1   mycroft  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  1.1   mycroft  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  1.1   mycroft  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  1.1   mycroft  * SUCH DAMAGE.
     34  1.1   mycroft  */
     35  1.1   mycroft 
     36  1.3  christos #include <sys/cdefs.h>
     37  1.1   mycroft #if defined(LIBC_SCCS) && !defined(lint)
     38  1.2       cgd #if 0
     39  1.2       cgd static char sccsid[] = "@(#)fixdfdi.c	8.1 (Berkeley) 6/4/93";
     40  1.2       cgd #else
     41  1.7      matt __RCSID("$NetBSD: fixdfdi.c,v 1.7 2013/02/03 01:48:53 matt Exp $");
     42  1.2       cgd #endif
     43  1.1   mycroft #endif /* LIBC_SCCS and not lint */
     44  1.1   mycroft 
     45  1.7      matt #if defined(SOFTFLOAT) || defined(__ARM_EABI__)
     46  1.6      matt #include "softfloat/softfloat-for-gcc.h"
     47  1.6      matt #endif
     48  1.6      matt 
     49  1.1   mycroft #include "quad.h"
     50  1.1   mycroft 
     51  1.1   mycroft /*
     52  1.1   mycroft  * Convert double to (signed) quad.
     53  1.1   mycroft  * We clamp anything that is out of range.
     54  1.1   mycroft  */
     55  1.1   mycroft quad_t
     56  1.5      matt __fixdfdi(double x)
     57  1.1   mycroft {
     58  1.1   mycroft 	if (x < 0)
     59  1.1   mycroft 		if (x <= QUAD_MIN)
     60  1.1   mycroft 			return (QUAD_MIN);
     61  1.1   mycroft 		else
     62  1.1   mycroft 			return ((quad_t)-(u_quad_t)-x);
     63  1.1   mycroft 	else
     64  1.1   mycroft 		if (x >= QUAD_MAX)
     65  1.1   mycroft 			return (QUAD_MAX);
     66  1.1   mycroft 		else
     67  1.1   mycroft 			return ((quad_t)(u_quad_t)x);
     68  1.1   mycroft }
     69