218 lines
3.5 KiB
C
218 lines
3.5 KiB
C
/* $NetBSD: gcc-softfloat.c,v 1.1 2016/07/14 01:59:18 matt Exp $ */
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/*-
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* Copyright (c) 2016 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Matt Thomas of 3am Software Foundry.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* This contain the softfloat primitives used by GCC.
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* It can be used to verify the functions invoked by tGCC to do softfloat.
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* It can also be used to what FP instructions GCC generates to implement the
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* various primitives. Your arch-dependent code should provide all of these
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* that are easy to implement.
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*/
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long long
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xfixdfdi(double a)
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{
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return (long long)a;
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}
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int
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xfixdfsi(double a)
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{
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return (int)a;
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}
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unsigned long long
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xfixunsdfdi(double a)
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{
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return (unsigned long long)a;
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}
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unsigned int
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xfixunsdfsi(double a)
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{
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return (unsigned int)a;
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}
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double
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xfloatundidf(unsigned long long a)
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{
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return (double) a;
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}
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double
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xfloatunsidf(unsigned int a)
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{
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return (double) a;
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}
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double
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xfloatdidf(long long a)
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{
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return (double) a;
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}
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double
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xfloatsidf(int a)
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{
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return (double) a;
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}
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double
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xextendsfdf2(float a)
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{
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return (double) a;
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}
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int
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xeqdf2(double a, double b)
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{
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return a == b;
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}
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int
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xnedf2(double a, double b)
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{
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return a != b;
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}
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int
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xledf2(double a, double b)
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{
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return a <= b;
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}
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int
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xgtdf2(double a, double b)
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{
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return a > b;
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}
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int
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xltdf2(double a, double b)
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{
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return a < b;
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}
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int
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xgedf2(double a, double b)
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{
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return a >= b;
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}
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long long
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xfixsfdi(float a)
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{
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return (long long)a;
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}
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int
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xfixsfsi(float a)
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{
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return (int)a;
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}
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unsigned long long
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xfixunssfdi(float a)
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{
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return (unsigned long long)a;
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}
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unsigned int
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xfixunssfsi(float a)
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{
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return (unsigned int)a;
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}
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float
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xfloatundisf(unsigned long long a)
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{
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return (float) a;
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}
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float
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xfloatunsisf(unsigned int a)
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{
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return (float) a;
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}
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float
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xfloatdisf(long long a)
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{
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return (float) a;
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}
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float
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xfloatsisf(int a)
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{
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return (float) a;
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}
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float
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xtruncdfsf2(double a)
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{
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return (float) a;
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}
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int
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xeqsf2(float a, float b)
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{
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return a == b;
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}
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int
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xnesf2(float a, float b)
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{
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return a != b;
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}
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int
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xlesf2(float a, float b)
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{
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return a <= b;
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}
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int
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xgtsf2(float a, float b)
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{
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return a > b;
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}
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int
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xltsf2(float a, float b)
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{
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return a < b;
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}
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int
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xgesf2(float a, float b)
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{
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return a >= b;
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}
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