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40 lines
752 B
C++
40 lines
752 B
C++
// Copyright 2013 Dolphin Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#pragma once
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#include "Common/CommonTypes.h"
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namespace FPURoundMode
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{
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enum RoundModes
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{
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ROUND_NEAR = 0,
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ROUND_CHOP,
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ROUND_UP,
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ROUND_DOWN
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};
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enum PrecisionModes {
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PREC_24 = 0,
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PREC_53,
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PREC_64
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};
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void SetRoundMode(u32 mode);
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void SetPrecisionMode(u32 mode);
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void SetSIMDMode(u32 roundingMode, u32 nonIEEEMode);
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/*
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* There are two different flavors of float to int conversion:
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* _mm_cvtps_epi32() and _mm_cvttps_epi32().
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*
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* The first rounds according to the MXCSR rounding bits.
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* The second one always uses round towards zero.
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*/
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void SaveSIMDState();
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void LoadSIMDState();
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void LoadDefaultSIMDState();
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}
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