53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
// 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
|