From 3971886ac1616c4125531e42a884f031e27f7e21 Mon Sep 17 00:00:00 2001 From: Andrew Cagney Date: Mon, 5 May 1997 12:46:25 +0000 Subject: Add flakey floating-point support to the TI c80 simulator. --- sim/common/sim-fpu.h | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 sim/common/sim-fpu.h (limited to 'sim/common/sim-fpu.h') diff --git a/sim/common/sim-fpu.h b/sim/common/sim-fpu.h new file mode 100644 index 00000000000..a40b4c912f7 --- /dev/null +++ b/sim/common/sim-fpu.h @@ -0,0 +1,68 @@ +/* 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 -- cgit v1.2.1