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// Copyright 2008 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include "Common/CommonTypes.h"
namespace FPURoundMode
{
// TODO: MSVC currently produces broken code:
// https://connect.microsoft.com/VisualStudio/feedback/details/828892/vc-2013-miscompilation-with-enums-and-bit-fields
// Once that is fixed, change types in SetRoundMode(), SetSIMDMode(), and in UReg_FPSCR to 'RoundMode'.
enum RoundMode
{
ROUND_NEAR = 0,
ROUND_CHOP = 1,
ROUND_UP = 2,
ROUND_DOWN = 3
};
enum PrecisionMode
{
PREC_24 = 0,
PREC_53 = 1,
PREC_64 = 2
};
void SetRoundMode(int mode);
void SetPrecisionMode(PrecisionMode mode);
void SetSIMDMode(int rounding_mode, bool non_ieee_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();
}
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