uae_cpu/fpu/rounding.cpp

/*
 *  fpu/rounding.cpp - system-dependant FPU rounding mode and precision
 *
 *  Basilisk II (C) 1997-1999 Christian Bauer
 *
 *  MC68881/68040 fpu emulation
 *  
 *  Original UAE FPU, copyright 1996 Herman ten Brugge
 *  Rewrite for x86, copyright 1999-2000 Lauri Pesonen
 *  New framework, copyright 2000 Gwenole Beauchesne
 *  Adapted for JIT compilation (c) Bernd Meyer, 2000
 *  
 *  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 of the License, 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
 */

#undef  PRIVATE
#define PRIVATE /**/

#undef  PUBLIC
#define PUBLIC  /**/

#undef  FFPU
#define FFPU    /**/

#undef  FPU
#define FPU             fpu.

/* -------------------------------------------------------------------------- */
/* --- Native X86 Rounding Mode                                           --- */
/* -------------------------------------------------------------------------- */

#ifdef FPU_USE_X86_ROUNDING_MODE
const uae_u32 FFPU x86_control_word_rm_mac2host[] = {
        CW_RC_NEAR,
        CW_RC_ZERO,
        CW_RC_DOWN,
        CW_RC_UP
};
#endif

/* -------------------------------------------------------------------------- */
/* --- Native X86 Rounding Precision                                      --- */
/* -------------------------------------------------------------------------- */

#ifdef FPU_USE_X86_ROUNDING_PRECISION
const uae_u32 FFPU x86_control_word_rp_mac2host[] = {
        CW_PC_EXTENDED,
        CW_PC_SINGLE,
        CW_PC_DOUBLE,
        CW_PC_RESERVED
};
#endif
Revision:	1.1
Committed:	2002-09-13T12:50:40Z (21 years, 10 months ago) by gbeauche
Branch:	MAIN
CVS Tags:	nigel-build-12, nigel-build-13
Log Message:	* Basilisk II JIT integration, phase 2: - Add new FPU core architecture - Clean fpu_x86_asm.h as it is no longer automatically generated
#	User	Rev	Content
1	gbeauche	1.1	/*
2			* fpu/rounding.cpp - system-dependant FPU rounding mode and precision
3			*
4			* Basilisk II (C) 1997-1999 Christian Bauer
5			*
6			* MC68881/68040 fpu emulation
7			*
8			* Original UAE FPU, copyright 1996 Herman ten Brugge
9			* Rewrite for x86, copyright 1999-2000 Lauri Pesonen
10			* New framework, copyright 2000 Gwenole Beauchesne
11			* Adapted for JIT compilation (c) Bernd Meyer, 2000
12			*
13			* This program is free software; you can redistribute it and/or modify
14			* it under the terms of the GNU General Public License as published by
15			* the Free Software Foundation; either version 2 of the License, or
16			* (at your option) any later version.
17			*
18			* This program is distributed in the hope that it will be useful,
19			* but WITHOUT ANY WARRANTY; without even the implied warranty of
20			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21			* GNU General Public License for more details.
22			*
23			* You should have received a copy of the GNU General Public License
24			* along with this program; if not, write to the Free Software
25			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26			*/
27
28			#undef PRIVATE
29			#define PRIVATE /**/
30
31			#undef PUBLIC
32			#define PUBLIC /**/
33
34			#undef FFPU
35			#define FFPU /**/
36
37			#undef FPU
38			#define FPU fpu.
39
40			/* -------------------------------------------------------------------------- */
41			/* --- Native X86 Rounding Mode --- */
42			/* -------------------------------------------------------------------------- */
43
44			#ifdef FPU_USE_X86_ROUNDING_MODE
45			const uae_u32 FFPU x86_control_word_rm_mac2host[] = {
46			CW_RC_NEAR,
47			CW_RC_ZERO,
48			CW_RC_DOWN,
49			CW_RC_UP
50			};
51			#endif
52
53			/* -------------------------------------------------------------------------- */
54			/* --- Native X86 Rounding Precision --- */
55			/* -------------------------------------------------------------------------- */
56
57			#ifdef FPU_USE_X86_ROUNDING_PRECISION
58			const uae_u32 FFPU x86_control_word_rp_mac2host[] = {
59			CW_PC_EXTENDED,
60			CW_PC_SINGLE,
61			CW_PC_DOUBLE,
62			CW_PC_RESERVED
63			};
64			#endif