// Copyright (C) 2003 Dolphin Project. // 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, version 2.0. // 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 2.0 for more details. // A copy of the GPL 2.0 should have been included with the program. // If not, see http://www.gnu.org/licenses/ // Official SVN repository and contact information can be found at // http://code.google.com/p/dolphin-emu/ #ifndef FPU_ROUND_MODE_H_ #define FPU_ROUND_MODE_H_ #include "CommonTypes.h" namespace FPURoundMode { enum RoundModes { ROUND_NEAR = 0, ROUND_CHOP, ROUND_UP, ROUND_DOWN }; enum PrecisionModes { PREC_24 = 0, PREC_53, PREC_64 }; void SetRoundMode(u32 mode); void SetPrecisionMode(u32 mode); void SetSIMDMode(u32 mode); /* * There are two different flavors of float to int conversion: * _mm_cvtps_epi32() and _mm_cvttps_epi32(). * * The first rounds according to the MXCSR rounding bits. * The second one always uses round towards zero. */ void SaveSIMDState(); void LoadSIMDState(); void LoadDefaultSIMDState(); } #endif