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/* |
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* fpu/rounding.cpp - system-dependant FPU rounding mode and precision |
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* |
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* Basilisk II (C) 1997-2005 Christian Bauer |
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* |
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* MC68881/68040 fpu emulation |
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* |
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* Original UAE FPU, copyright 1996 Herman ten Brugge |
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* Rewrite for x86, copyright 1999-2000 Lauri Pesonen |
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* New framework, copyright 2000 Gwenole Beauchesne |
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* Adapted for JIT compilation (c) Bernd Meyer, 2000 |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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|
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#undef PRIVATE |
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#define PRIVATE /**/ |
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|
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#undef PUBLIC |
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#define PUBLIC /**/ |
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|
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#undef FFPU |
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#define FFPU /**/ |
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|
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#undef FPU |
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#define FPU fpu. |
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|
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/* -------------------------------------------------------------------------- */ |
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/* --- Native X86 Rounding Mode --- */ |
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/* -------------------------------------------------------------------------- */ |
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|
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#ifdef FPU_USE_X86_ROUNDING_MODE |
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const uae_u32 FFPU x86_control_word_rm_mac2host[] = { |
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CW_RC_NEAR, |
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CW_RC_ZERO, |
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CW_RC_DOWN, |
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CW_RC_UP |
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}; |
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#endif |
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|
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/* -------------------------------------------------------------------------- */ |
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/* --- Native X86 Rounding Precision --- */ |
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/* -------------------------------------------------------------------------- */ |
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|
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#ifdef FPU_USE_X86_ROUNDING_PRECISION |
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const uae_u32 FFPU x86_control_word_rp_mac2host[] = { |
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CW_PC_EXTENDED, |
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CW_PC_SINGLE, |
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CW_PC_DOUBLE, |
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CW_PC_RESERVED |
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}; |
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#endif |
