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76b4318b88
read brand_string on macos/arm64 remove unused flags report family/model info instead of vendor name
69 lines
1.6 KiB
C++
69 lines
1.6 KiB
C++
// Copyright 2008 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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// Detect the CPU, so we'll know which optimizations to use
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#pragma once
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#include <string>
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enum class CPUVendor
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{
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Intel,
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AMD,
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ARM,
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Other,
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};
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struct CPUInfo
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{
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CPUVendor vendor = CPUVendor::Other;
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std::string cpu_id;
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std::string model_name;
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bool HTT = false;
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int num_cores = 0;
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bool bSSE3 = false;
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bool bSSSE3 = false;
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bool bSSE4_1 = false;
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bool bSSE4_2 = false;
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bool bLZCNT = false;
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bool bAVX = false;
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bool bBMI1 = false;
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bool bBMI2 = false;
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// PDEP and PEXT are ridiculously slow on AMD Zen1, Zen1+ and Zen2 (Family 17h)
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bool bBMI2FastParallelBitOps = false;
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bool bFMA = false;
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bool bFMA4 = false;
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bool bAES = false;
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bool bMOVBE = false;
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// This flag indicates that the hardware supports some mode
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// in which denormal inputs _and_ outputs are automatically set to (signed) zero.
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bool bFlushToZero = false;
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bool bAtom = false;
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bool bCRC32 = false;
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bool bSHA1 = false;
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bool bSHA2 = false;
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// ARMv8 specific
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bool bAFP = false; // Alternate floating-point behavior
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// Call Detect()
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explicit CPUInfo();
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// The returned string consists of "<model_name>,<cpu_id>,<flag...>"
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// Where:
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// model_name and cpud_id may be zero-length
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// model_name is human-readable marketing name
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// cpu_id is ':'-delimited string of id info
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// flags are optionally included if the related feature is supported and reporting its enablement
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// seems useful to report
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std::string Summarize();
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private:
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void Detect();
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};
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extern CPUInfo cpu_info;
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