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