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