URL
https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk
Only display areas with differences |
Details |
Blame |
View Log
| Rev 149 |
Rev 154 |
/* Copyright (C) 2002 Free Software Foundation.
|
/* Copyright (C) 2002 Free Software Foundation.
|
|
|
Test floating point negation produces the expected results.
|
Test floating point negation produces the expected results.
|
|
|
Written by Roger Sayle, 21st May 2002. */
|
Written by Roger Sayle, 21st May 2002. */
|
|
|
/* { dg-do run } */
|
/* { dg-do run } */
|
/* { dg-options "-O2 -ffast-math" } */
|
/* { dg-options "-O2 -ffast-math" } */
|
|
|
extern void abort ();
|
extern void abort ();
|
|
|
|
|
double
|
double
|
dneg (double x)
|
dneg (double x)
|
{
|
{
|
return -x;
|
return -x;
|
}
|
}
|
|
|
double
|
double
|
dmult (double x)
|
dmult (double x)
|
{
|
{
|
return -1.0 * x;
|
return -1.0 * x;
|
}
|
}
|
|
|
double
|
double
|
ddiv (double x)
|
ddiv (double x)
|
{
|
{
|
return x / -1.0;
|
return x / -1.0;
|
}
|
}
|
|
|
|
|
float
|
float
|
fneg (float x)
|
fneg (float x)
|
{
|
{
|
return -x;
|
return -x;
|
}
|
}
|
|
|
float
|
float
|
fmult (float x)
|
fmult (float x)
|
{
|
{
|
return -1.0f * x;
|
return -1.0f * x;
|
}
|
}
|
|
|
float
|
float
|
fdiv (float x)
|
fdiv (float x)
|
{
|
{
|
return x / -1.0f;
|
return x / -1.0f;
|
}
|
}
|
|
|
|
|
void
|
void
|
ftest(float src, float dst)
|
ftest(float src, float dst)
|
{
|
{
|
if (fneg (src) != dst)
|
if (fneg (src) != dst)
|
abort ();
|
abort ();
|
|
|
if (src != fneg (dst))
|
if (src != fneg (dst))
|
abort ();
|
abort ();
|
|
|
if (fmult (src) != dst)
|
if (fmult (src) != dst)
|
abort ();
|
abort ();
|
|
|
if (src != fmult (dst))
|
if (src != fmult (dst))
|
abort ();
|
abort ();
|
|
|
if (fdiv (src) != dst)
|
if (fdiv (src) != dst)
|
abort ();
|
abort ();
|
|
|
if (src != fdiv(dst))
|
if (src != fdiv(dst))
|
abort ();
|
abort ();
|
}
|
}
|
|
|
void
|
void
|
dtest(double src, double dst)
|
dtest(double src, double dst)
|
{
|
{
|
if (dneg (src) != dst)
|
if (dneg (src) != dst)
|
abort ();
|
abort ();
|
|
|
if (src != dneg (dst))
|
if (src != dneg (dst))
|
abort ();
|
abort ();
|
|
|
if (dmult (src) != dst)
|
if (dmult (src) != dst)
|
abort ();
|
abort ();
|
|
|
if (src != dmult (dst))
|
if (src != dmult (dst))
|
abort ();
|
abort ();
|
|
|
if (ddiv (src) != dst)
|
if (ddiv (src) != dst)
|
abort ();
|
abort ();
|
|
|
if (src != ddiv(dst))
|
if (src != ddiv(dst))
|
abort ();
|
abort ();
|
}
|
}
|
|
|
|
|
int
|
int
|
main ()
|
main ()
|
{
|
{
|
ftest (1.0f, -1.0f);
|
ftest (1.0f, -1.0f);
|
ftest (2.0f, -2.0f);
|
ftest (2.0f, -2.0f);
|
ftest (-3.0f, 3.0f);
|
ftest (-3.0f, 3.0f);
|
ftest (0.0f, -0.0f);
|
ftest (0.0f, -0.0f);
|
ftest (-0.0f, 0.0f);
|
ftest (-0.0f, 0.0f);
|
|
|
dtest (1.0, -1.0);
|
dtest (1.0, -1.0);
|
dtest (2.0, -2.0);
|
dtest (2.0, -2.0);
|
dtest (-3.0, 3.0);
|
dtest (-3.0, 3.0);
|
dtest (0.0, -0.0);
|
dtest (0.0, -0.0);
|
dtest (-0.0, 0.0);
|
dtest (-0.0, 0.0);
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
|
|
© copyright 1999-2024
OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.