dolphin/Source/Core/Common/FPURoundMode.h
Lioncash 0888c93d48 Common: Move FPU-related helpers into Common namespace
Makes these utilities' namespace consistent with the majority of the
Common library.
2023-03-21 10:58:13 -04:00

31 lines
647 B
C++

// Copyright 2008 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "Common/CommonTypes.h"
namespace Common::FPU
{
enum RoundMode : u32
{
ROUND_NEAR = 0,
ROUND_CHOP = 1,
ROUND_UP = 2,
ROUND_DOWN = 3
};
void SetSIMDMode(RoundMode 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();
} // namespace Common::FPU