dolphin/Source/Core/Common/CPUDetect.h

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// Copyright 2008 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
// Detect the CPU, so we'll know which optimizations to use
#pragma once
#include <string>
enum class CPUVendor
{
Intel,
AMD,
ARM,
Other,
};
struct CPUInfo
{
CPUVendor vendor = CPUVendor::Intel;
char cpu_string[0x41] = {};
char brand_string[0x21] = {};
bool OS64bit = false;
bool CPU64bit = false;
bool Mode64bit = false;
bool HTT = false;
int num_cores = 0;
int logical_cpu_count = 0;
bool bSSE = false;
bool bSSE2 = false;
bool bSSE3 = false;
bool bSSSE3 = false;
bool bPOPCNT = false;
bool bSSE4_1 = false;
bool bSSE4_2 = false;
bool bLZCNT = false;
bool bSSE4A = false;
bool bAVX = false;
bool bAVX2 = false;
bool bBMI1 = false;
bool bBMI2 = false;
// PDEP and PEXT are ridiculously slow on AMD Zen1, Zen1+ and Zen2 (Family 23)
bool bFastBMI2 = false;
bool bFMA = false;
bool bFMA4 = false;
bool bAES = false;
// FXSAVE/FXRSTOR
bool bFXSR = false;
bool bMOVBE = false;
// This flag indicates that the hardware supports some mode
// in which denormal inputs _and_ outputs are automatically set to (signed) zero.
bool bFlushToZero = false;
bool bLAHFSAHF64 = false;
bool bLongMode = false;
bool bAtom = false;
bool bZen1p2 = false;
2013-02-26 19:49:00 +00:00
// ARMv8 specific
bool bFP = false;
bool bASIMD = false;
bool bCRC32 = false;
bool bSHA1 = false;
bool bSHA2 = false;
bool bAFP = false; // Alternate floating-point behavior
// Call Detect()
explicit CPUInfo();
// Turn the CPU info into a string we can show
std::string Summarize();
private:
// Detects the various CPU features
void Detect();
};
extern CPUInfo cpu_info;