169 lines
2.6 KiB
C
169 lines
2.6 KiB
C
/* Simulator Floating-point support.
|
|
Copyright (C) 1997 Free Software Foundation, Inc.
|
|
Contributed by Cygnus Support.
|
|
|
|
This file is part of GDB, the GNU debugger.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2, or (at your option)
|
|
any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License along
|
|
with this program; if not, write to the Free Software Foundation, Inc.,
|
|
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|
|
|
|
|
|
|
#ifndef _SIM_FPU_C_
|
|
#define _SIM_FPU_C_
|
|
|
|
#include "sim-main.h"
|
|
#include "sim-fpu.h"
|
|
|
|
#include <math.h>
|
|
|
|
|
|
INLINE_SIM_FPU (sim_fpu)
|
|
sim_fpu_add (sim_fpu l,
|
|
sim_fpu r)
|
|
{
|
|
sim_fpu ans;
|
|
ans.val = l.val + r.val;
|
|
return ans;
|
|
}
|
|
|
|
|
|
INLINE_SIM_FPU (sim_fpu)
|
|
sim_fpu_sub (sim_fpu l,
|
|
sim_fpu r)
|
|
{
|
|
sim_fpu ans;
|
|
ans.val = l.val - r.val;
|
|
return ans;
|
|
}
|
|
|
|
|
|
INLINE_SIM_FPU (sim_fpu)
|
|
sim_fpu_mul (sim_fpu l,
|
|
sim_fpu r)
|
|
{
|
|
sim_fpu ans;
|
|
ans.val = l.val * r.val;
|
|
return ans;
|
|
}
|
|
|
|
|
|
INLINE_SIM_FPU (sim_fpu)
|
|
sim_fpu_div (sim_fpu l,
|
|
sim_fpu r)
|
|
{
|
|
sim_fpu ans;
|
|
ans.val = l.val / r.val;
|
|
return ans;
|
|
}
|
|
|
|
|
|
INLINE_SIM_FPU (sim_fpu)
|
|
sim_fpu_inv (sim_fpu r)
|
|
{
|
|
sim_fpu ans;
|
|
ans.val = 1 / r.val;
|
|
return ans;
|
|
}
|
|
|
|
|
|
INLINE_SIM_FPU (sim_fpu)
|
|
sim_fpu_sqrt (sim_fpu r)
|
|
{
|
|
sim_fpu ans;
|
|
ans.val = sqrt (r.val);
|
|
return ans;
|
|
}
|
|
|
|
|
|
INLINE_SIM_FPU (sim_fpu)
|
|
sim_fpu_32to (unsigned32 s)
|
|
{
|
|
sim_fpu ans;
|
|
ans.val = *(float*) &s;
|
|
return ans;
|
|
}
|
|
|
|
|
|
INLINE_SIM_FPU (sim_fpu)
|
|
sim_fpu_64to (unsigned64 s)
|
|
{
|
|
sim_fpu ans;
|
|
ans.val = *(double*) &s;
|
|
return ans;
|
|
}
|
|
|
|
|
|
INLINE_SIM_FPU (unsigned32)
|
|
sim_fpu_to32 (sim_fpu l)
|
|
{
|
|
float s = l.val;
|
|
return *(unsigned32*) &s;
|
|
}
|
|
|
|
|
|
INLINE_SIM_FPU (unsigned64)
|
|
sim_fpu_to64 (sim_fpu s)
|
|
{
|
|
return *(unsigned64*) &s.val;
|
|
}
|
|
|
|
|
|
INLINE_SIM_FPU (float)
|
|
sim_fpu_2f (sim_fpu f)
|
|
{
|
|
return f.val;
|
|
}
|
|
|
|
|
|
INLINE_SIM_FPU (double)
|
|
sim_fpu_2d (sim_fpu s)
|
|
{
|
|
return s.val;
|
|
}
|
|
|
|
|
|
INLINE_SIM_FPU (sim_fpu)
|
|
sim_fpu_f2 (float f)
|
|
{
|
|
sim_fpu ans;
|
|
ans.val = f;
|
|
return ans;
|
|
}
|
|
|
|
|
|
INLINE_SIM_FPU (sim_fpu)
|
|
sim_fpu_d2 (double d)
|
|
{
|
|
sim_fpu ans;
|
|
ans.val = d;
|
|
return ans;
|
|
}
|
|
|
|
|
|
INLINE_SIM_FPU (int)
|
|
sim_fpu_is_nan (sim_fpu d)
|
|
{
|
|
return 0; /* FIXME - detect NaN */
|
|
}
|
|
|
|
|
|
INLINE_SIM_FPU (int)
|
|
sim_fpu_cmp (sim_fpu l,
|
|
sim_fpu r)
|
|
{
|
|
return l.val - r.val;
|
|
}
|
|
|
|
#endif
|