old-cross-binutils/sim/common/sim-fpu.h

68 lines
2 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_H_
#define _SIM_FPU_H_
/* the FPU intermediate type */
typedef struct _sim_fpu {
double val;
} sim_fpu;
/* Arrithmetic operators */
INLINE_SIM_FPU (sim_fpu) sim_fpu_add (sim_fpu l, sim_fpu r);
INLINE_SIM_FPU (sim_fpu) sim_fpu_sub (sim_fpu l, sim_fpu r);
INLINE_SIM_FPU (sim_fpu) sim_fpu_mul (sim_fpu l, sim_fpu r);
INLINE_SIM_FPU (sim_fpu) sim_fpu_div (sim_fpu l, sim_fpu r);
INLINE_SIM_FPU (sim_fpu) sim_fpu_inv (sim_fpu l);
INLINE_SIM_FPU (sim_fpu) sim_fpu_sqrt (sim_fpu sqr);
/* Conversions single/double to/from fpu type */
INLINE_SIM_FPU (sim_fpu) sim_fpu_32to (unsigned32 s);
INLINE_SIM_FPU (sim_fpu) sim_fpu_64to (unsigned64 s);
INLINE_SIM_FPU (unsigned32) sim_fpu_to32 (sim_fpu s);
INLINE_SIM_FPU (unsigned64) sim_fpu_to64 (sim_fpu s);
INLINE_SIM_FPU (float) sim_fpu_2f (sim_fpu f);
INLINE_SIM_FPU (double) sim_fpu_2d (sim_fpu d);
INLINE_SIM_FPU (sim_fpu) sim_fpu_f2 (float f);
INLINE_SIM_FPU (sim_fpu) sim_fpu_d2 (double d);
/* Signalling or NonSignalling NaN */
INLINE_SIM_FPU (int) sim_fpu_is_nan (sim_fpu s);
/* compare l with r; return <0, ==0, >0 accordingly */
INLINE_SIM_FPU (int) sim_fpu_cmp (sim_fpu l, sim_fpu r);
#endif