diff options
author | orivej <orivej@yandex-team.ru> | 2022-02-10 16:44:49 +0300 |
---|---|---|
committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:44:49 +0300 |
commit | 718c552901d703c502ccbefdfc3c9028d608b947 (patch) | |
tree | 46534a98bbefcd7b1f3faa5b52c138ab27db75b7 /contrib/libs/llvm12/lib/Support/X86TargetParser.cpp | |
parent | e9656aae26e0358d5378e5b63dcac5c8dbe0e4d0 (diff) | |
download | ydb-718c552901d703c502ccbefdfc3c9028d608b947.tar.gz |
Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/llvm12/lib/Support/X86TargetParser.cpp')
-rw-r--r-- | contrib/libs/llvm12/lib/Support/X86TargetParser.cpp | 900 |
1 files changed, 450 insertions, 450 deletions
diff --git a/contrib/libs/llvm12/lib/Support/X86TargetParser.cpp b/contrib/libs/llvm12/lib/Support/X86TargetParser.cpp index d738511465..4ca17f91c2 100644 --- a/contrib/libs/llvm12/lib/Support/X86TargetParser.cpp +++ b/contrib/libs/llvm12/lib/Support/X86TargetParser.cpp @@ -1,140 +1,140 @@ -//===-- X86TargetParser - Parser for X86 features ---------------*- C++ -*-===// -// -// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. -// See https://llvm.org/LICENSE.txt for license information. -// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception -// -//===----------------------------------------------------------------------===// -// -// This file implements a target parser to recognise X86 hardware features. -// -//===----------------------------------------------------------------------===// - -#include "llvm/Support/X86TargetParser.h" -#include "llvm/ADT/Triple.h" - -using namespace llvm; -using namespace llvm::X86; - -namespace { - -/// Container class for CPU features. -/// This is a constexpr reimplementation of a subset of std::bitset. It would be -/// nice to use std::bitset directly, but it doesn't support constant -/// initialization. -class FeatureBitset { - static constexpr unsigned NUM_FEATURE_WORDS = - (X86::CPU_FEATURE_MAX + 31) / 32; - - // This cannot be a std::array, operator[] is not constexpr until C++17. - uint32_t Bits[NUM_FEATURE_WORDS] = {}; - -public: - constexpr FeatureBitset() = default; - constexpr FeatureBitset(std::initializer_list<unsigned> Init) { - for (auto I : Init) - set(I); - } - - bool any() const { - return llvm::any_of(Bits, [](uint64_t V) { return V != 0; }); - } - - constexpr FeatureBitset &set(unsigned I) { - // GCC <6.2 crashes if this is written in a single statement. - uint32_t NewBits = Bits[I / 32] | (uint32_t(1) << (I % 32)); - Bits[I / 32] = NewBits; - return *this; - } - - constexpr bool operator[](unsigned I) const { - uint32_t Mask = uint32_t(1) << (I % 32); - return (Bits[I / 32] & Mask) != 0; - } - - constexpr FeatureBitset &operator&=(const FeatureBitset &RHS) { - for (unsigned I = 0, E = array_lengthof(Bits); I != E; ++I) { - // GCC <6.2 crashes if this is written in a single statement. - uint32_t NewBits = Bits[I] & RHS.Bits[I]; - Bits[I] = NewBits; - } - return *this; - } - - constexpr FeatureBitset &operator|=(const FeatureBitset &RHS) { - for (unsigned I = 0, E = array_lengthof(Bits); I != E; ++I) { - // GCC <6.2 crashes if this is written in a single statement. - uint32_t NewBits = Bits[I] | RHS.Bits[I]; - Bits[I] = NewBits; - } - return *this; - } - - // gcc 5.3 miscompiles this if we try to write this using operator&=. - constexpr FeatureBitset operator&(const FeatureBitset &RHS) const { - FeatureBitset Result; - for (unsigned I = 0, E = array_lengthof(Bits); I != E; ++I) - Result.Bits[I] = Bits[I] & RHS.Bits[I]; - return Result; - } - - // gcc 5.3 miscompiles this if we try to write this using operator&=. - constexpr FeatureBitset operator|(const FeatureBitset &RHS) const { - FeatureBitset Result; - for (unsigned I = 0, E = array_lengthof(Bits); I != E; ++I) - Result.Bits[I] = Bits[I] | RHS.Bits[I]; - return Result; - } - - constexpr FeatureBitset operator~() const { - FeatureBitset Result; - for (unsigned I = 0, E = array_lengthof(Bits); I != E; ++I) - Result.Bits[I] = ~Bits[I]; - return Result; - } - - constexpr bool operator!=(const FeatureBitset &RHS) const { - for (unsigned I = 0, E = array_lengthof(Bits); I != E; ++I) - if (Bits[I] != RHS.Bits[I]) - return true; - return false; - } -}; - -struct ProcInfo { - StringLiteral Name; - X86::CPUKind Kind; - unsigned KeyFeature; - FeatureBitset Features; -}; - -struct FeatureInfo { - StringLiteral Name; - FeatureBitset ImpliedFeatures; -}; - -} // end anonymous namespace - -#define X86_FEATURE(ENUM, STRING) \ +//===-- X86TargetParser - Parser for X86 features ---------------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// +// This file implements a target parser to recognise X86 hardware features. +// +//===----------------------------------------------------------------------===// + +#include "llvm/Support/X86TargetParser.h" +#include "llvm/ADT/Triple.h" + +using namespace llvm; +using namespace llvm::X86; + +namespace { + +/// Container class for CPU features. +/// This is a constexpr reimplementation of a subset of std::bitset. It would be +/// nice to use std::bitset directly, but it doesn't support constant +/// initialization. +class FeatureBitset { + static constexpr unsigned NUM_FEATURE_WORDS = + (X86::CPU_FEATURE_MAX + 31) / 32; + + // This cannot be a std::array, operator[] is not constexpr until C++17. + uint32_t Bits[NUM_FEATURE_WORDS] = {}; + +public: + constexpr FeatureBitset() = default; + constexpr FeatureBitset(std::initializer_list<unsigned> Init) { + for (auto I : Init) + set(I); + } + + bool any() const { + return llvm::any_of(Bits, [](uint64_t V) { return V != 0; }); + } + + constexpr FeatureBitset &set(unsigned I) { + // GCC <6.2 crashes if this is written in a single statement. + uint32_t NewBits = Bits[I / 32] | (uint32_t(1) << (I % 32)); + Bits[I / 32] = NewBits; + return *this; + } + + constexpr bool operator[](unsigned I) const { + uint32_t Mask = uint32_t(1) << (I % 32); + return (Bits[I / 32] & Mask) != 0; + } + + constexpr FeatureBitset &operator&=(const FeatureBitset &RHS) { + for (unsigned I = 0, E = array_lengthof(Bits); I != E; ++I) { + // GCC <6.2 crashes if this is written in a single statement. + uint32_t NewBits = Bits[I] & RHS.Bits[I]; + Bits[I] = NewBits; + } + return *this; + } + + constexpr FeatureBitset &operator|=(const FeatureBitset &RHS) { + for (unsigned I = 0, E = array_lengthof(Bits); I != E; ++I) { + // GCC <6.2 crashes if this is written in a single statement. + uint32_t NewBits = Bits[I] | RHS.Bits[I]; + Bits[I] = NewBits; + } + return *this; + } + + // gcc 5.3 miscompiles this if we try to write this using operator&=. + constexpr FeatureBitset operator&(const FeatureBitset &RHS) const { + FeatureBitset Result; + for (unsigned I = 0, E = array_lengthof(Bits); I != E; ++I) + Result.Bits[I] = Bits[I] & RHS.Bits[I]; + return Result; + } + + // gcc 5.3 miscompiles this if we try to write this using operator&=. + constexpr FeatureBitset operator|(const FeatureBitset &RHS) const { + FeatureBitset Result; + for (unsigned I = 0, E = array_lengthof(Bits); I != E; ++I) + Result.Bits[I] = Bits[I] | RHS.Bits[I]; + return Result; + } + + constexpr FeatureBitset operator~() const { + FeatureBitset Result; + for (unsigned I = 0, E = array_lengthof(Bits); I != E; ++I) + Result.Bits[I] = ~Bits[I]; + return Result; + } + + constexpr bool operator!=(const FeatureBitset &RHS) const { + for (unsigned I = 0, E = array_lengthof(Bits); I != E; ++I) + if (Bits[I] != RHS.Bits[I]) + return true; + return false; + } +}; + +struct ProcInfo { + StringLiteral Name; + X86::CPUKind Kind; + unsigned KeyFeature; + FeatureBitset Features; +}; + +struct FeatureInfo { + StringLiteral Name; + FeatureBitset ImpliedFeatures; +}; + +} // end anonymous namespace + +#define X86_FEATURE(ENUM, STRING) \ constexpr FeatureBitset Feature##ENUM = {X86::FEATURE_##ENUM}; -#include "llvm/Support/X86TargetParser.def" - -// Pentium with MMX. +#include "llvm/Support/X86TargetParser.def" + +// Pentium with MMX. constexpr FeatureBitset FeaturesPentiumMMX = - FeatureX87 | FeatureCMPXCHG8B | FeatureMMX; - -// Pentium 2 and 3. + FeatureX87 | FeatureCMPXCHG8B | FeatureMMX; + +// Pentium 2 and 3. constexpr FeatureBitset FeaturesPentium2 = - FeatureX87 | FeatureCMPXCHG8B | FeatureMMX | FeatureFXSR; + FeatureX87 | FeatureCMPXCHG8B | FeatureMMX | FeatureFXSR; constexpr FeatureBitset FeaturesPentium3 = FeaturesPentium2 | FeatureSSE; - -// Pentium 4 CPUs + +// Pentium 4 CPUs constexpr FeatureBitset FeaturesPentium4 = FeaturesPentium3 | FeatureSSE2; constexpr FeatureBitset FeaturesPrescott = FeaturesPentium4 | FeatureSSE3; constexpr FeatureBitset FeaturesNocona = - FeaturesPrescott | Feature64BIT | FeatureCMPXCHG16B; - -// Basic 64-bit capable CPU. + FeaturesPrescott | Feature64BIT | FeatureCMPXCHG16B; + +// Basic 64-bit capable CPU. constexpr FeatureBitset FeaturesX86_64 = FeaturesPentium4 | Feature64BIT; constexpr FeatureBitset FeaturesX86_64_V2 = FeaturesX86_64 | FeatureSAHF | FeaturePOPCNT | FeatureSSE4_2 | @@ -145,59 +145,59 @@ constexpr FeatureBitset FeaturesX86_64_V3 = constexpr FeatureBitset FeaturesX86_64_V4 = FeaturesX86_64_V3 | FeatureAVX512BW | FeatureAVX512CD | FeatureAVX512DQ | FeatureAVX512VL; - -// Intel Core CPUs + +// Intel Core CPUs constexpr FeatureBitset FeaturesCore2 = - FeaturesNocona | FeatureSAHF | FeatureSSSE3; + FeaturesNocona | FeatureSAHF | FeatureSSSE3; constexpr FeatureBitset FeaturesPenryn = FeaturesCore2 | FeatureSSE4_1; constexpr FeatureBitset FeaturesNehalem = - FeaturesPenryn | FeaturePOPCNT | FeatureSSE4_2; + FeaturesPenryn | FeaturePOPCNT | FeatureSSE4_2; constexpr FeatureBitset FeaturesWestmere = FeaturesNehalem | FeaturePCLMUL; constexpr FeatureBitset FeaturesSandyBridge = - FeaturesWestmere | FeatureAVX | FeatureXSAVE | FeatureXSAVEOPT; + FeaturesWestmere | FeatureAVX | FeatureXSAVE | FeatureXSAVEOPT; constexpr FeatureBitset FeaturesIvyBridge = - FeaturesSandyBridge | FeatureF16C | FeatureFSGSBASE | FeatureRDRND; + FeaturesSandyBridge | FeatureF16C | FeatureFSGSBASE | FeatureRDRND; constexpr FeatureBitset FeaturesHaswell = - FeaturesIvyBridge | FeatureAVX2 | FeatureBMI | FeatureBMI2 | FeatureFMA | - FeatureINVPCID | FeatureLZCNT | FeatureMOVBE; + FeaturesIvyBridge | FeatureAVX2 | FeatureBMI | FeatureBMI2 | FeatureFMA | + FeatureINVPCID | FeatureLZCNT | FeatureMOVBE; constexpr FeatureBitset FeaturesBroadwell = - FeaturesHaswell | FeatureADX | FeaturePRFCHW | FeatureRDSEED; - -// Intel Knights Landing and Knights Mill -// Knights Landing has feature parity with Broadwell. + FeaturesHaswell | FeatureADX | FeaturePRFCHW | FeatureRDSEED; + +// Intel Knights Landing and Knights Mill +// Knights Landing has feature parity with Broadwell. constexpr FeatureBitset FeaturesKNL = - FeaturesBroadwell | FeatureAES | FeatureAVX512F | FeatureAVX512CD | - FeatureAVX512ER | FeatureAVX512PF | FeaturePREFETCHWT1; + FeaturesBroadwell | FeatureAES | FeatureAVX512F | FeatureAVX512CD | + FeatureAVX512ER | FeatureAVX512PF | FeaturePREFETCHWT1; constexpr FeatureBitset FeaturesKNM = FeaturesKNL | FeatureAVX512VPOPCNTDQ; - -// Intel Skylake processors. + +// Intel Skylake processors. constexpr FeatureBitset FeaturesSkylakeClient = - FeaturesBroadwell | FeatureAES | FeatureCLFLUSHOPT | FeatureXSAVEC | - FeatureXSAVES | FeatureSGX; -// SkylakeServer inherits all SkylakeClient features except SGX. -// FIXME: That doesn't match gcc. + FeaturesBroadwell | FeatureAES | FeatureCLFLUSHOPT | FeatureXSAVEC | + FeatureXSAVES | FeatureSGX; +// SkylakeServer inherits all SkylakeClient features except SGX. +// FIXME: That doesn't match gcc. constexpr FeatureBitset FeaturesSkylakeServer = - (FeaturesSkylakeClient & ~FeatureSGX) | FeatureAVX512F | FeatureAVX512CD | - FeatureAVX512DQ | FeatureAVX512BW | FeatureAVX512VL | FeatureCLWB | - FeaturePKU; + (FeaturesSkylakeClient & ~FeatureSGX) | FeatureAVX512F | FeatureAVX512CD | + FeatureAVX512DQ | FeatureAVX512BW | FeatureAVX512VL | FeatureCLWB | + FeaturePKU; constexpr FeatureBitset FeaturesCascadeLake = - FeaturesSkylakeServer | FeatureAVX512VNNI; + FeaturesSkylakeServer | FeatureAVX512VNNI; constexpr FeatureBitset FeaturesCooperLake = - FeaturesCascadeLake | FeatureAVX512BF16; - -// Intel 10nm processors. + FeaturesCascadeLake | FeatureAVX512BF16; + +// Intel 10nm processors. constexpr FeatureBitset FeaturesCannonlake = - FeaturesSkylakeClient | FeatureAVX512F | FeatureAVX512CD | FeatureAVX512DQ | - FeatureAVX512BW | FeatureAVX512VL | FeatureAVX512IFMA | FeatureAVX512VBMI | - FeaturePKU | FeatureSHA; + FeaturesSkylakeClient | FeatureAVX512F | FeatureAVX512CD | FeatureAVX512DQ | + FeatureAVX512BW | FeatureAVX512VL | FeatureAVX512IFMA | FeatureAVX512VBMI | + FeaturePKU | FeatureSHA; constexpr FeatureBitset FeaturesICLClient = - FeaturesCannonlake | FeatureAVX512BITALG | FeatureAVX512VBMI2 | - FeatureAVX512VNNI | FeatureAVX512VPOPCNTDQ | FeatureCLWB | FeatureGFNI | - FeatureRDPID | FeatureVAES | FeatureVPCLMULQDQ; + FeaturesCannonlake | FeatureAVX512BITALG | FeatureAVX512VBMI2 | + FeatureAVX512VNNI | FeatureAVX512VPOPCNTDQ | FeatureCLWB | FeatureGFNI | + FeatureRDPID | FeatureVAES | FeatureVPCLMULQDQ; constexpr FeatureBitset FeaturesICLServer = - FeaturesICLClient | FeaturePCONFIG | FeatureWBNOINVD; + FeaturesICLClient | FeaturePCONFIG | FeatureWBNOINVD; constexpr FeatureBitset FeaturesTigerlake = - FeaturesICLClient | FeatureAVX512VP2INTERSECT | FeatureMOVDIR64B | + FeaturesICLClient | FeatureAVX512VP2INTERSECT | FeatureMOVDIR64B | FeatureMOVDIRI | FeatureSHSTK | FeatureKL | FeatureWIDEKL; constexpr FeatureBitset FeaturesSapphireRapids = FeaturesICLServer | FeatureAMX_TILE | FeatureAMX_INT8 | FeatureAMX_BF16 | @@ -208,229 +208,229 @@ constexpr FeatureBitset FeaturesSapphireRapids = constexpr FeatureBitset FeaturesAlderlake = FeaturesSkylakeClient | FeatureCLDEMOTE | FeatureHRESET | FeaturePTWRITE | FeatureSERIALIZE | FeatureWAITPKG | FeatureAVXVNNI; - -// Intel Atom processors. -// Bonnell has feature parity with Core2 and adds MOVBE. + +// Intel Atom processors. +// Bonnell has feature parity with Core2 and adds MOVBE. constexpr FeatureBitset FeaturesBonnell = FeaturesCore2 | FeatureMOVBE; -// Silvermont has parity with Westmere and Bonnell plus PRFCHW and RDRND. +// Silvermont has parity with Westmere and Bonnell plus PRFCHW and RDRND. constexpr FeatureBitset FeaturesSilvermont = - FeaturesBonnell | FeaturesWestmere | FeaturePRFCHW | FeatureRDRND; + FeaturesBonnell | FeaturesWestmere | FeaturePRFCHW | FeatureRDRND; constexpr FeatureBitset FeaturesGoldmont = - FeaturesSilvermont | FeatureAES | FeatureCLFLUSHOPT | FeatureFSGSBASE | - FeatureRDSEED | FeatureSHA | FeatureXSAVE | FeatureXSAVEC | - FeatureXSAVEOPT | FeatureXSAVES; + FeaturesSilvermont | FeatureAES | FeatureCLFLUSHOPT | FeatureFSGSBASE | + FeatureRDSEED | FeatureSHA | FeatureXSAVE | FeatureXSAVEC | + FeatureXSAVEOPT | FeatureXSAVES; constexpr FeatureBitset FeaturesGoldmontPlus = - FeaturesGoldmont | FeaturePTWRITE | FeatureRDPID | FeatureSGX; + FeaturesGoldmont | FeaturePTWRITE | FeatureRDPID | FeatureSGX; constexpr FeatureBitset FeaturesTremont = - FeaturesGoldmontPlus | FeatureCLWB | FeatureGFNI; - -// Geode Processor. + FeaturesGoldmontPlus | FeatureCLWB | FeatureGFNI; + +// Geode Processor. constexpr FeatureBitset FeaturesGeode = - FeatureX87 | FeatureCMPXCHG8B | FeatureMMX | Feature3DNOW | Feature3DNOWA; - -// K6 processor. + FeatureX87 | FeatureCMPXCHG8B | FeatureMMX | Feature3DNOW | Feature3DNOWA; + +// K6 processor. constexpr FeatureBitset FeaturesK6 = FeatureX87 | FeatureCMPXCHG8B | FeatureMMX; - -// K7 and K8 architecture processors. + +// K7 and K8 architecture processors. constexpr FeatureBitset FeaturesAthlon = - FeatureX87 | FeatureCMPXCHG8B | FeatureMMX | Feature3DNOW | Feature3DNOWA; + FeatureX87 | FeatureCMPXCHG8B | FeatureMMX | Feature3DNOW | Feature3DNOWA; constexpr FeatureBitset FeaturesAthlonXP = - FeaturesAthlon | FeatureFXSR | FeatureSSE; + FeaturesAthlon | FeatureFXSR | FeatureSSE; constexpr FeatureBitset FeaturesK8 = - FeaturesAthlonXP | FeatureSSE2 | Feature64BIT; + FeaturesAthlonXP | FeatureSSE2 | Feature64BIT; constexpr FeatureBitset FeaturesK8SSE3 = FeaturesK8 | FeatureSSE3; constexpr FeatureBitset FeaturesAMDFAM10 = - FeaturesK8SSE3 | FeatureCMPXCHG16B | FeatureLZCNT | FeaturePOPCNT | - FeaturePRFCHW | FeatureSAHF | FeatureSSE4_A; - -// Bobcat architecture processors. + FeaturesK8SSE3 | FeatureCMPXCHG16B | FeatureLZCNT | FeaturePOPCNT | + FeaturePRFCHW | FeatureSAHF | FeatureSSE4_A; + +// Bobcat architecture processors. constexpr FeatureBitset FeaturesBTVER1 = - FeatureX87 | FeatureCMPXCHG8B | FeatureCMPXCHG16B | Feature64BIT | - FeatureFXSR | FeatureLZCNT | FeatureMMX | FeaturePOPCNT | FeaturePRFCHW | - FeatureSSE | FeatureSSE2 | FeatureSSE3 | FeatureSSSE3 | FeatureSSE4_A | - FeatureSAHF; + FeatureX87 | FeatureCMPXCHG8B | FeatureCMPXCHG16B | Feature64BIT | + FeatureFXSR | FeatureLZCNT | FeatureMMX | FeaturePOPCNT | FeaturePRFCHW | + FeatureSSE | FeatureSSE2 | FeatureSSE3 | FeatureSSSE3 | FeatureSSE4_A | + FeatureSAHF; constexpr FeatureBitset FeaturesBTVER2 = - FeaturesBTVER1 | FeatureAES | FeatureAVX | FeatureBMI | FeatureF16C | - FeatureMOVBE | FeaturePCLMUL | FeatureXSAVE | FeatureXSAVEOPT; - -// AMD Bulldozer architecture processors. + FeaturesBTVER1 | FeatureAES | FeatureAVX | FeatureBMI | FeatureF16C | + FeatureMOVBE | FeaturePCLMUL | FeatureXSAVE | FeatureXSAVEOPT; + +// AMD Bulldozer architecture processors. constexpr FeatureBitset FeaturesBDVER1 = - FeatureX87 | FeatureAES | FeatureAVX | FeatureCMPXCHG8B | - FeatureCMPXCHG16B | Feature64BIT | FeatureFMA4 | FeatureFXSR | FeatureLWP | - FeatureLZCNT | FeatureMMX | FeaturePCLMUL | FeaturePOPCNT | FeaturePRFCHW | - FeatureSAHF | FeatureSSE | FeatureSSE2 | FeatureSSE3 | FeatureSSSE3 | - FeatureSSE4_1 | FeatureSSE4_2 | FeatureSSE4_A | FeatureXOP | FeatureXSAVE; + FeatureX87 | FeatureAES | FeatureAVX | FeatureCMPXCHG8B | + FeatureCMPXCHG16B | Feature64BIT | FeatureFMA4 | FeatureFXSR | FeatureLWP | + FeatureLZCNT | FeatureMMX | FeaturePCLMUL | FeaturePOPCNT | FeaturePRFCHW | + FeatureSAHF | FeatureSSE | FeatureSSE2 | FeatureSSE3 | FeatureSSSE3 | + FeatureSSE4_1 | FeatureSSE4_2 | FeatureSSE4_A | FeatureXOP | FeatureXSAVE; constexpr FeatureBitset FeaturesBDVER2 = - FeaturesBDVER1 | FeatureBMI | FeatureFMA | FeatureF16C | FeatureTBM; + FeaturesBDVER1 | FeatureBMI | FeatureFMA | FeatureF16C | FeatureTBM; constexpr FeatureBitset FeaturesBDVER3 = - FeaturesBDVER2 | FeatureFSGSBASE | FeatureXSAVEOPT; + FeaturesBDVER2 | FeatureFSGSBASE | FeatureXSAVEOPT; constexpr FeatureBitset FeaturesBDVER4 = FeaturesBDVER3 | FeatureAVX2 | FeatureBMI2 | FeatureMOVBE | FeatureMWAITX | FeatureRDRND; - -// AMD Zen architecture processors. + +// AMD Zen architecture processors. constexpr FeatureBitset FeaturesZNVER1 = - FeatureX87 | FeatureADX | FeatureAES | FeatureAVX | FeatureAVX2 | - FeatureBMI | FeatureBMI2 | FeatureCLFLUSHOPT | FeatureCLZERO | - FeatureCMPXCHG8B | FeatureCMPXCHG16B | Feature64BIT | FeatureF16C | - FeatureFMA | FeatureFSGSBASE | FeatureFXSR | FeatureLZCNT | FeatureMMX | - FeatureMOVBE | FeatureMWAITX | FeaturePCLMUL | FeaturePOPCNT | - FeaturePRFCHW | FeatureRDRND | FeatureRDSEED | FeatureSAHF | FeatureSHA | - FeatureSSE | FeatureSSE2 | FeatureSSE3 | FeatureSSSE3 | FeatureSSE4_1 | - FeatureSSE4_2 | FeatureSSE4_A | FeatureXSAVE | FeatureXSAVEC | - FeatureXSAVEOPT | FeatureXSAVES; + FeatureX87 | FeatureADX | FeatureAES | FeatureAVX | FeatureAVX2 | + FeatureBMI | FeatureBMI2 | FeatureCLFLUSHOPT | FeatureCLZERO | + FeatureCMPXCHG8B | FeatureCMPXCHG16B | Feature64BIT | FeatureF16C | + FeatureFMA | FeatureFSGSBASE | FeatureFXSR | FeatureLZCNT | FeatureMMX | + FeatureMOVBE | FeatureMWAITX | FeaturePCLMUL | FeaturePOPCNT | + FeaturePRFCHW | FeatureRDRND | FeatureRDSEED | FeatureSAHF | FeatureSHA | + FeatureSSE | FeatureSSE2 | FeatureSSE3 | FeatureSSSE3 | FeatureSSE4_1 | + FeatureSSE4_2 | FeatureSSE4_A | FeatureXSAVE | FeatureXSAVEC | + FeatureXSAVEOPT | FeatureXSAVES; constexpr FeatureBitset FeaturesZNVER2 = - FeaturesZNVER1 | FeatureCLWB | FeatureRDPID | FeatureWBNOINVD; + FeaturesZNVER1 | FeatureCLWB | FeatureRDPID | FeatureWBNOINVD; static constexpr FeatureBitset FeaturesZNVER3 = FeaturesZNVER2 | FeatureINVPCID | FeaturePKU | FeatureVAES | FeatureVPCLMULQDQ; - + constexpr ProcInfo Processors[] = { - // Empty processor. Include X87 and CMPXCHG8 for backwards compatibility. - { {""}, CK_None, ~0U, FeatureX87 | FeatureCMPXCHG8B }, - // i386-generation processors. - { {"i386"}, CK_i386, ~0U, FeatureX87 }, - // i486-generation processors. - { {"i486"}, CK_i486, ~0U, FeatureX87 }, - { {"winchip-c6"}, CK_WinChipC6, ~0U, FeaturesPentiumMMX }, - { {"winchip2"}, CK_WinChip2, ~0U, FeaturesPentiumMMX | Feature3DNOW }, - { {"c3"}, CK_C3, ~0U, FeaturesPentiumMMX | Feature3DNOW }, - // i586-generation processors, P5 microarchitecture based. - { {"i586"}, CK_i586, ~0U, FeatureX87 | FeatureCMPXCHG8B }, - { {"pentium"}, CK_Pentium, ~0U, FeatureX87 | FeatureCMPXCHG8B }, - { {"pentium-mmx"}, CK_PentiumMMX, ~0U, FeaturesPentiumMMX }, - // i686-generation processors, P6 / Pentium M microarchitecture based. - { {"pentiumpro"}, CK_PentiumPro, ~0U, FeatureX87 | FeatureCMPXCHG8B }, - { {"i686"}, CK_i686, ~0U, FeatureX87 | FeatureCMPXCHG8B }, - { {"pentium2"}, CK_Pentium2, ~0U, FeaturesPentium2 }, - { {"pentium3"}, CK_Pentium3, ~0U, FeaturesPentium3 }, - { {"pentium3m"}, CK_Pentium3, ~0U, FeaturesPentium3 }, - { {"pentium-m"}, CK_PentiumM, ~0U, FeaturesPentium4 }, - { {"c3-2"}, CK_C3_2, ~0U, FeaturesPentium3 }, - { {"yonah"}, CK_Yonah, ~0U, FeaturesPrescott }, - // Netburst microarchitecture based processors. - { {"pentium4"}, CK_Pentium4, ~0U, FeaturesPentium4 }, - { {"pentium4m"}, CK_Pentium4, ~0U, FeaturesPentium4 }, - { {"prescott"}, CK_Prescott, ~0U, FeaturesPrescott }, - { {"nocona"}, CK_Nocona, ~0U, FeaturesNocona }, - // Core microarchitecture based processors. - { {"core2"}, CK_Core2, ~0U, FeaturesCore2 }, - { {"penryn"}, CK_Penryn, ~0U, FeaturesPenryn }, - // Atom processors - { {"bonnell"}, CK_Bonnell, FEATURE_SSSE3, FeaturesBonnell }, - { {"atom"}, CK_Bonnell, FEATURE_SSSE3, FeaturesBonnell }, - { {"silvermont"}, CK_Silvermont, FEATURE_SSE4_2, FeaturesSilvermont }, - { {"slm"}, CK_Silvermont, FEATURE_SSE4_2, FeaturesSilvermont }, - { {"goldmont"}, CK_Goldmont, FEATURE_SSE4_2, FeaturesGoldmont }, - { {"goldmont-plus"}, CK_GoldmontPlus, FEATURE_SSE4_2, FeaturesGoldmontPlus }, - { {"tremont"}, CK_Tremont, FEATURE_SSE4_2, FeaturesTremont }, - // Nehalem microarchitecture based processors. - { {"nehalem"}, CK_Nehalem, FEATURE_SSE4_2, FeaturesNehalem }, - { {"corei7"}, CK_Nehalem, FEATURE_SSE4_2, FeaturesNehalem }, - // Westmere microarchitecture based processors. - { {"westmere"}, CK_Westmere, FEATURE_PCLMUL, FeaturesWestmere }, - // Sandy Bridge microarchitecture based processors. - { {"sandybridge"}, CK_SandyBridge, FEATURE_AVX, FeaturesSandyBridge }, - { {"corei7-avx"}, CK_SandyBridge, FEATURE_AVX, FeaturesSandyBridge }, - // Ivy Bridge microarchitecture based processors. - { {"ivybridge"}, CK_IvyBridge, FEATURE_AVX, FeaturesIvyBridge }, - { {"core-avx-i"}, CK_IvyBridge, FEATURE_AVX, FeaturesIvyBridge }, - // Haswell microarchitecture based processors. - { {"haswell"}, CK_Haswell, FEATURE_AVX2, FeaturesHaswell }, - { {"core-avx2"}, CK_Haswell, FEATURE_AVX2, FeaturesHaswell }, - // Broadwell microarchitecture based processors. - { {"broadwell"}, CK_Broadwell, FEATURE_AVX2, FeaturesBroadwell }, - // Skylake client microarchitecture based processors. - { {"skylake"}, CK_SkylakeClient, FEATURE_AVX2, FeaturesSkylakeClient }, - // Skylake server microarchitecture based processors. - { {"skylake-avx512"}, CK_SkylakeServer, FEATURE_AVX512F, FeaturesSkylakeServer }, - { {"skx"}, CK_SkylakeServer, FEATURE_AVX512F, FeaturesSkylakeServer }, - // Cascadelake Server microarchitecture based processors. - { {"cascadelake"}, CK_Cascadelake, FEATURE_AVX512VNNI, FeaturesCascadeLake }, - // Cooperlake Server microarchitecture based processors. - { {"cooperlake"}, CK_Cooperlake, FEATURE_AVX512BF16, FeaturesCooperLake }, - // Cannonlake client microarchitecture based processors. - { {"cannonlake"}, CK_Cannonlake, FEATURE_AVX512VBMI, FeaturesCannonlake }, - // Icelake client microarchitecture based processors. - { {"icelake-client"}, CK_IcelakeClient, FEATURE_AVX512VBMI2, FeaturesICLClient }, - // Icelake server microarchitecture based processors. - { {"icelake-server"}, CK_IcelakeServer, FEATURE_AVX512VBMI2, FeaturesICLServer }, - // Tigerlake microarchitecture based processors. - { {"tigerlake"}, CK_Tigerlake, FEATURE_AVX512VP2INTERSECT, FeaturesTigerlake }, + // Empty processor. Include X87 and CMPXCHG8 for backwards compatibility. + { {""}, CK_None, ~0U, FeatureX87 | FeatureCMPXCHG8B }, + // i386-generation processors. + { {"i386"}, CK_i386, ~0U, FeatureX87 }, + // i486-generation processors. + { {"i486"}, CK_i486, ~0U, FeatureX87 }, + { {"winchip-c6"}, CK_WinChipC6, ~0U, FeaturesPentiumMMX }, + { {"winchip2"}, CK_WinChip2, ~0U, FeaturesPentiumMMX | Feature3DNOW }, + { {"c3"}, CK_C3, ~0U, FeaturesPentiumMMX | Feature3DNOW }, + // i586-generation processors, P5 microarchitecture based. + { {"i586"}, CK_i586, ~0U, FeatureX87 | FeatureCMPXCHG8B }, + { {"pentium"}, CK_Pentium, ~0U, FeatureX87 | FeatureCMPXCHG8B }, + { {"pentium-mmx"}, CK_PentiumMMX, ~0U, FeaturesPentiumMMX }, + // i686-generation processors, P6 / Pentium M microarchitecture based. + { {"pentiumpro"}, CK_PentiumPro, ~0U, FeatureX87 | FeatureCMPXCHG8B }, + { {"i686"}, CK_i686, ~0U, FeatureX87 | FeatureCMPXCHG8B }, + { {"pentium2"}, CK_Pentium2, ~0U, FeaturesPentium2 }, + { {"pentium3"}, CK_Pentium3, ~0U, FeaturesPentium3 }, + { {"pentium3m"}, CK_Pentium3, ~0U, FeaturesPentium3 }, + { {"pentium-m"}, CK_PentiumM, ~0U, FeaturesPentium4 }, + { {"c3-2"}, CK_C3_2, ~0U, FeaturesPentium3 }, + { {"yonah"}, CK_Yonah, ~0U, FeaturesPrescott }, + // Netburst microarchitecture based processors. + { {"pentium4"}, CK_Pentium4, ~0U, FeaturesPentium4 }, + { {"pentium4m"}, CK_Pentium4, ~0U, FeaturesPentium4 }, + { {"prescott"}, CK_Prescott, ~0U, FeaturesPrescott }, + { {"nocona"}, CK_Nocona, ~0U, FeaturesNocona }, + // Core microarchitecture based processors. + { {"core2"}, CK_Core2, ~0U, FeaturesCore2 }, + { {"penryn"}, CK_Penryn, ~0U, FeaturesPenryn }, + // Atom processors + { {"bonnell"}, CK_Bonnell, FEATURE_SSSE3, FeaturesBonnell }, + { {"atom"}, CK_Bonnell, FEATURE_SSSE3, FeaturesBonnell }, + { {"silvermont"}, CK_Silvermont, FEATURE_SSE4_2, FeaturesSilvermont }, + { {"slm"}, CK_Silvermont, FEATURE_SSE4_2, FeaturesSilvermont }, + { {"goldmont"}, CK_Goldmont, FEATURE_SSE4_2, FeaturesGoldmont }, + { {"goldmont-plus"}, CK_GoldmontPlus, FEATURE_SSE4_2, FeaturesGoldmontPlus }, + { {"tremont"}, CK_Tremont, FEATURE_SSE4_2, FeaturesTremont }, + // Nehalem microarchitecture based processors. + { {"nehalem"}, CK_Nehalem, FEATURE_SSE4_2, FeaturesNehalem }, + { {"corei7"}, CK_Nehalem, FEATURE_SSE4_2, FeaturesNehalem }, + // Westmere microarchitecture based processors. + { {"westmere"}, CK_Westmere, FEATURE_PCLMUL, FeaturesWestmere }, + // Sandy Bridge microarchitecture based processors. + { {"sandybridge"}, CK_SandyBridge, FEATURE_AVX, FeaturesSandyBridge }, + { {"corei7-avx"}, CK_SandyBridge, FEATURE_AVX, FeaturesSandyBridge }, + // Ivy Bridge microarchitecture based processors. + { {"ivybridge"}, CK_IvyBridge, FEATURE_AVX, FeaturesIvyBridge }, + { {"core-avx-i"}, CK_IvyBridge, FEATURE_AVX, FeaturesIvyBridge }, + // Haswell microarchitecture based processors. + { {"haswell"}, CK_Haswell, FEATURE_AVX2, FeaturesHaswell }, + { {"core-avx2"}, CK_Haswell, FEATURE_AVX2, FeaturesHaswell }, + // Broadwell microarchitecture based processors. + { {"broadwell"}, CK_Broadwell, FEATURE_AVX2, FeaturesBroadwell }, + // Skylake client microarchitecture based processors. + { {"skylake"}, CK_SkylakeClient, FEATURE_AVX2, FeaturesSkylakeClient }, + // Skylake server microarchitecture based processors. + { {"skylake-avx512"}, CK_SkylakeServer, FEATURE_AVX512F, FeaturesSkylakeServer }, + { {"skx"}, CK_SkylakeServer, FEATURE_AVX512F, FeaturesSkylakeServer }, + // Cascadelake Server microarchitecture based processors. + { {"cascadelake"}, CK_Cascadelake, FEATURE_AVX512VNNI, FeaturesCascadeLake }, + // Cooperlake Server microarchitecture based processors. + { {"cooperlake"}, CK_Cooperlake, FEATURE_AVX512BF16, FeaturesCooperLake }, + // Cannonlake client microarchitecture based processors. + { {"cannonlake"}, CK_Cannonlake, FEATURE_AVX512VBMI, FeaturesCannonlake }, + // Icelake client microarchitecture based processors. + { {"icelake-client"}, CK_IcelakeClient, FEATURE_AVX512VBMI2, FeaturesICLClient }, + // Icelake server microarchitecture based processors. + { {"icelake-server"}, CK_IcelakeServer, FEATURE_AVX512VBMI2, FeaturesICLServer }, + // Tigerlake microarchitecture based processors. + { {"tigerlake"}, CK_Tigerlake, FEATURE_AVX512VP2INTERSECT, FeaturesTigerlake }, // Sapphire Rapids microarchitecture based processors. { {"sapphirerapids"}, CK_SapphireRapids, FEATURE_AVX512VP2INTERSECT, FeaturesSapphireRapids }, // Alderlake microarchitecture based processors. { {"alderlake"}, CK_Alderlake, FEATURE_AVX2, FeaturesAlderlake }, - // Knights Landing processor. - { {"knl"}, CK_KNL, FEATURE_AVX512F, FeaturesKNL }, - // Knights Mill processor. - { {"knm"}, CK_KNM, FEATURE_AVX5124FMAPS, FeaturesKNM }, - // Lakemont microarchitecture based processors. - { {"lakemont"}, CK_Lakemont, ~0U, FeatureCMPXCHG8B }, - // K6 architecture processors. - { {"k6"}, CK_K6, ~0U, FeaturesK6 }, - { {"k6-2"}, CK_K6_2, ~0U, FeaturesK6 | Feature3DNOW }, - { {"k6-3"}, CK_K6_3, ~0U, FeaturesK6 | Feature3DNOW }, - // K7 architecture processors. - { {"athlon"}, CK_Athlon, ~0U, FeaturesAthlon }, - { {"athlon-tbird"}, CK_Athlon, ~0U, FeaturesAthlon }, - { {"athlon-xp"}, CK_AthlonXP, ~0U, FeaturesAthlonXP }, - { {"athlon-mp"}, CK_AthlonXP, ~0U, FeaturesAthlonXP }, - { {"athlon-4"}, CK_AthlonXP, ~0U, FeaturesAthlonXP }, - // K8 architecture processors. - { {"k8"}, CK_K8, ~0U, FeaturesK8 }, - { {"athlon64"}, CK_K8, ~0U, FeaturesK8 }, - { {"athlon-fx"}, CK_K8, ~0U, FeaturesK8 }, - { {"opteron"}, CK_K8, ~0U, FeaturesK8 }, - { {"k8-sse3"}, CK_K8SSE3, ~0U, FeaturesK8SSE3 }, - { {"athlon64-sse3"}, CK_K8SSE3, ~0U, FeaturesK8SSE3 }, - { {"opteron-sse3"}, CK_K8SSE3, ~0U, FeaturesK8SSE3 }, - { {"amdfam10"}, CK_AMDFAM10, FEATURE_SSE4_A, FeaturesAMDFAM10 }, - { {"barcelona"}, CK_AMDFAM10, FEATURE_SSE4_A, FeaturesAMDFAM10 }, - // Bobcat architecture processors. - { {"btver1"}, CK_BTVER1, FEATURE_SSE4_A, FeaturesBTVER1 }, - { {"btver2"}, CK_BTVER2, FEATURE_BMI, FeaturesBTVER2 }, - // Bulldozer architecture processors. - { {"bdver1"}, CK_BDVER1, FEATURE_XOP, FeaturesBDVER1 }, - { {"bdver2"}, CK_BDVER2, FEATURE_FMA, FeaturesBDVER2 }, - { {"bdver3"}, CK_BDVER3, FEATURE_FMA, FeaturesBDVER3 }, - { {"bdver4"}, CK_BDVER4, FEATURE_AVX2, FeaturesBDVER4 }, - // Zen architecture processors. - { {"znver1"}, CK_ZNVER1, FEATURE_AVX2, FeaturesZNVER1 }, - { {"znver2"}, CK_ZNVER2, FEATURE_AVX2, FeaturesZNVER2 }, + // Knights Landing processor. + { {"knl"}, CK_KNL, FEATURE_AVX512F, FeaturesKNL }, + // Knights Mill processor. + { {"knm"}, CK_KNM, FEATURE_AVX5124FMAPS, FeaturesKNM }, + // Lakemont microarchitecture based processors. + { {"lakemont"}, CK_Lakemont, ~0U, FeatureCMPXCHG8B }, + // K6 architecture processors. + { {"k6"}, CK_K6, ~0U, FeaturesK6 }, + { {"k6-2"}, CK_K6_2, ~0U, FeaturesK6 | Feature3DNOW }, + { {"k6-3"}, CK_K6_3, ~0U, FeaturesK6 | Feature3DNOW }, + // K7 architecture processors. + { {"athlon"}, CK_Athlon, ~0U, FeaturesAthlon }, + { {"athlon-tbird"}, CK_Athlon, ~0U, FeaturesAthlon }, + { {"athlon-xp"}, CK_AthlonXP, ~0U, FeaturesAthlonXP }, + { {"athlon-mp"}, CK_AthlonXP, ~0U, FeaturesAthlonXP }, + { {"athlon-4"}, CK_AthlonXP, ~0U, FeaturesAthlonXP }, + // K8 architecture processors. + { {"k8"}, CK_K8, ~0U, FeaturesK8 }, + { {"athlon64"}, CK_K8, ~0U, FeaturesK8 }, + { {"athlon-fx"}, CK_K8, ~0U, FeaturesK8 }, + { {"opteron"}, CK_K8, ~0U, FeaturesK8 }, + { {"k8-sse3"}, CK_K8SSE3, ~0U, FeaturesK8SSE3 }, + { {"athlon64-sse3"}, CK_K8SSE3, ~0U, FeaturesK8SSE3 }, + { {"opteron-sse3"}, CK_K8SSE3, ~0U, FeaturesK8SSE3 }, + { {"amdfam10"}, CK_AMDFAM10, FEATURE_SSE4_A, FeaturesAMDFAM10 }, + { {"barcelona"}, CK_AMDFAM10, FEATURE_SSE4_A, FeaturesAMDFAM10 }, + // Bobcat architecture processors. + { {"btver1"}, CK_BTVER1, FEATURE_SSE4_A, FeaturesBTVER1 }, + { {"btver2"}, CK_BTVER2, FEATURE_BMI, FeaturesBTVER2 }, + // Bulldozer architecture processors. + { {"bdver1"}, CK_BDVER1, FEATURE_XOP, FeaturesBDVER1 }, + { {"bdver2"}, CK_BDVER2, FEATURE_FMA, FeaturesBDVER2 }, + { {"bdver3"}, CK_BDVER3, FEATURE_FMA, FeaturesBDVER3 }, + { {"bdver4"}, CK_BDVER4, FEATURE_AVX2, FeaturesBDVER4 }, + // Zen architecture processors. + { {"znver1"}, CK_ZNVER1, FEATURE_AVX2, FeaturesZNVER1 }, + { {"znver2"}, CK_ZNVER2, FEATURE_AVX2, FeaturesZNVER2 }, { {"znver3"}, CK_ZNVER3, FEATURE_AVX2, FeaturesZNVER3 }, - // Generic 64-bit processor. - { {"x86-64"}, CK_x86_64, ~0U, FeaturesX86_64 }, + // Generic 64-bit processor. + { {"x86-64"}, CK_x86_64, ~0U, FeaturesX86_64 }, { {"x86-64-v2"}, CK_x86_64_v2, ~0U, FeaturesX86_64_V2 }, { {"x86-64-v3"}, CK_x86_64_v3, ~0U, FeaturesX86_64_V3 }, { {"x86-64-v4"}, CK_x86_64_v4, ~0U, FeaturesX86_64_V4 }, - // Geode processors. - { {"geode"}, CK_Geode, ~0U, FeaturesGeode }, -}; - + // Geode processors. + { {"geode"}, CK_Geode, ~0U, FeaturesGeode }, +}; + constexpr const char *NoTuneList[] = {"x86-64-v2", "x86-64-v3", "x86-64-v4"}; -X86::CPUKind llvm::X86::parseArchX86(StringRef CPU, bool Only64Bit) { - for (const auto &P : Processors) - if (P.Name == CPU && (P.Features[FEATURE_64BIT] || !Only64Bit)) - return P.Kind; - - return CK_None; -} - +X86::CPUKind llvm::X86::parseArchX86(StringRef CPU, bool Only64Bit) { + for (const auto &P : Processors) + if (P.Name == CPU && (P.Features[FEATURE_64BIT] || !Only64Bit)) + return P.Kind; + + return CK_None; +} + X86::CPUKind llvm::X86::parseTuneCPU(StringRef CPU, bool Only64Bit) { if (llvm::is_contained(NoTuneList, CPU)) return CK_None; return parseArchX86(CPU, Only64Bit); } -void llvm::X86::fillValidCPUArchList(SmallVectorImpl<StringRef> &Values, - bool Only64Bit) { - for (const auto &P : Processors) - if (!P.Name.empty() && (P.Features[FEATURE_64BIT] || !Only64Bit)) - Values.emplace_back(P.Name); -} - +void llvm::X86::fillValidCPUArchList(SmallVectorImpl<StringRef> &Values, + bool Only64Bit) { + for (const auto &P : Processors) + if (!P.Name.empty() && (P.Features[FEATURE_64BIT] || !Only64Bit)) + Values.emplace_back(P.Name); +} + void llvm::X86::fillValidTuneCPUList(SmallVectorImpl<StringRef> &Values, bool Only64Bit) { for (const ProcInfo &P : Processors) @@ -439,20 +439,20 @@ void llvm::X86::fillValidTuneCPUList(SmallVectorImpl<StringRef> &Values, Values.emplace_back(P.Name); } -ProcessorFeatures llvm::X86::getKeyFeature(X86::CPUKind Kind) { - // FIXME: Can we avoid a linear search here? The table might be sorted by - // CPUKind so we could binary search? - for (const auto &P : Processors) { - if (P.Kind == Kind) { - assert(P.KeyFeature != ~0U && "Processor does not have a key feature."); - return static_cast<ProcessorFeatures>(P.KeyFeature); - } - } - - llvm_unreachable("Unable to find CPU kind!"); -} - -// Features with no dependencies. +ProcessorFeatures llvm::X86::getKeyFeature(X86::CPUKind Kind) { + // FIXME: Can we avoid a linear search here? The table might be sorted by + // CPUKind so we could binary search? + for (const auto &P : Processors) { + if (P.Kind == Kind) { + assert(P.KeyFeature != ~0U && "Processor does not have a key feature."); + return static_cast<ProcessorFeatures>(P.KeyFeature); + } + } + + llvm_unreachable("Unable to find CPU kind!"); +} + +// Features with no dependencies. constexpr FeatureBitset ImpliedFeatures64BIT = {}; constexpr FeatureBitset ImpliedFeaturesADX = {}; constexpr FeatureBitset ImpliedFeaturesBMI = {}; @@ -496,26 +496,26 @@ constexpr FeatureBitset ImpliedFeaturesWBNOINVD = {}; constexpr FeatureBitset ImpliedFeaturesVZEROUPPER = {}; constexpr FeatureBitset ImpliedFeaturesX87 = {}; constexpr FeatureBitset ImpliedFeaturesXSAVE = {}; - -// Not really CPU features, but need to be in the table because clang uses -// target features to communicate them to the backend. + +// Not really CPU features, but need to be in the table because clang uses +// target features to communicate them to the backend. constexpr FeatureBitset ImpliedFeaturesRETPOLINE_EXTERNAL_THUNK = {}; constexpr FeatureBitset ImpliedFeaturesRETPOLINE_INDIRECT_BRANCHES = {}; constexpr FeatureBitset ImpliedFeaturesRETPOLINE_INDIRECT_CALLS = {}; constexpr FeatureBitset ImpliedFeaturesLVI_CFI = {}; constexpr FeatureBitset ImpliedFeaturesLVI_LOAD_HARDENING = {}; - -// XSAVE features are dependent on basic XSAVE. + +// XSAVE features are dependent on basic XSAVE. constexpr FeatureBitset ImpliedFeaturesXSAVEC = FeatureXSAVE; constexpr FeatureBitset ImpliedFeaturesXSAVEOPT = FeatureXSAVE; constexpr FeatureBitset ImpliedFeaturesXSAVES = FeatureXSAVE; - -// MMX->3DNOW->3DNOWA chain. + +// MMX->3DNOW->3DNOWA chain. constexpr FeatureBitset ImpliedFeaturesMMX = {}; constexpr FeatureBitset ImpliedFeatures3DNOW = FeatureMMX; constexpr FeatureBitset ImpliedFeatures3DNOWA = Feature3DNOW; - -// SSE/AVX/AVX512F chain. + +// SSE/AVX/AVX512F chain. constexpr FeatureBitset ImpliedFeaturesSSE = {}; constexpr FeatureBitset ImpliedFeaturesSSE2 = FeatureSSE; constexpr FeatureBitset ImpliedFeaturesSSE3 = FeatureSSE2; @@ -525,9 +525,9 @@ constexpr FeatureBitset ImpliedFeaturesSSE4_2 = FeatureSSE4_1; constexpr FeatureBitset ImpliedFeaturesAVX = FeatureSSE4_2; constexpr FeatureBitset ImpliedFeaturesAVX2 = FeatureAVX; constexpr FeatureBitset ImpliedFeaturesAVX512F = - FeatureAVX2 | FeatureF16C | FeatureFMA; - -// Vector extensions that build on SSE or AVX. + FeatureAVX2 | FeatureF16C | FeatureFMA; + +// Vector extensions that build on SSE or AVX. constexpr FeatureBitset ImpliedFeaturesAES = FeatureSSE2; constexpr FeatureBitset ImpliedFeaturesF16C = FeatureAVX; constexpr FeatureBitset ImpliedFeaturesFMA = FeatureAVX; @@ -536,15 +536,15 @@ constexpr FeatureBitset ImpliedFeaturesPCLMUL = FeatureSSE2; constexpr FeatureBitset ImpliedFeaturesSHA = FeatureSSE2; constexpr FeatureBitset ImpliedFeaturesVAES = FeatureAES | FeatureAVX; constexpr FeatureBitset ImpliedFeaturesVPCLMULQDQ = FeatureAVX | FeaturePCLMUL; - -// AVX512 features. + +// AVX512 features. constexpr FeatureBitset ImpliedFeaturesAVX512CD = FeatureAVX512F; constexpr FeatureBitset ImpliedFeaturesAVX512BW = FeatureAVX512F; constexpr FeatureBitset ImpliedFeaturesAVX512DQ = FeatureAVX512F; constexpr FeatureBitset ImpliedFeaturesAVX512ER = FeatureAVX512F; constexpr FeatureBitset ImpliedFeaturesAVX512PF = FeatureAVX512F; constexpr FeatureBitset ImpliedFeaturesAVX512VL = FeatureAVX512F; - + constexpr FeatureBitset ImpliedFeaturesAVX512BF16 = FeatureAVX512BW; constexpr FeatureBitset ImpliedFeaturesAVX512BITALG = FeatureAVX512BW; constexpr FeatureBitset ImpliedFeaturesAVX512IFMA = FeatureAVX512F; @@ -553,23 +553,23 @@ constexpr FeatureBitset ImpliedFeaturesAVX512VPOPCNTDQ = FeatureAVX512F; constexpr FeatureBitset ImpliedFeaturesAVX512VBMI = FeatureAVX512BW; constexpr FeatureBitset ImpliedFeaturesAVX512VBMI2 = FeatureAVX512BW; constexpr FeatureBitset ImpliedFeaturesAVX512VP2INTERSECT = FeatureAVX512F; - -// FIXME: These two aren't really implemented and just exist in the feature -// list for __builtin_cpu_supports. So omit their dependencies. + +// FIXME: These two aren't really implemented and just exist in the feature +// list for __builtin_cpu_supports. So omit their dependencies. constexpr FeatureBitset ImpliedFeaturesAVX5124FMAPS = {}; constexpr FeatureBitset ImpliedFeaturesAVX5124VNNIW = {}; - -// SSE4_A->FMA4->XOP chain. + +// SSE4_A->FMA4->XOP chain. constexpr FeatureBitset ImpliedFeaturesSSE4_A = FeatureSSE3; constexpr FeatureBitset ImpliedFeaturesFMA4 = FeatureAVX | FeatureSSE4_A; constexpr FeatureBitset ImpliedFeaturesXOP = FeatureFMA4; - -// AMX Features + +// AMX Features constexpr FeatureBitset ImpliedFeaturesAMX_TILE = {}; constexpr FeatureBitset ImpliedFeaturesAMX_BF16 = FeatureAMX_TILE; constexpr FeatureBitset ImpliedFeaturesAMX_INT8 = FeatureAMX_TILE; constexpr FeatureBitset ImpliedFeaturesHRESET = {}; - + // Key Locker Features constexpr FeatureBitset ImpliedFeaturesKL = FeatureSSE2; constexpr FeatureBitset ImpliedFeaturesWIDEKL = FeatureKL; @@ -578,79 +578,79 @@ constexpr FeatureBitset ImpliedFeaturesWIDEKL = FeatureKL; constexpr FeatureBitset ImpliedFeaturesAVXVNNI = FeatureAVX2; constexpr FeatureInfo FeatureInfos[X86::CPU_FEATURE_MAX] = { -#define X86_FEATURE(ENUM, STR) {{STR}, ImpliedFeatures##ENUM}, -#include "llvm/Support/X86TargetParser.def" -}; - -void llvm::X86::getFeaturesForCPU(StringRef CPU, - SmallVectorImpl<StringRef> &EnabledFeatures) { - auto I = llvm::find_if(Processors, - [&](const ProcInfo &P) { return P.Name == CPU; }); - assert(I != std::end(Processors) && "Processor not found!"); - - FeatureBitset Bits = I->Features; - - // Remove the 64-bit feature which we only use to validate if a CPU can - // be used with 64-bit mode. - Bits &= ~Feature64BIT; - - // Add the string version of all set bits. +#define X86_FEATURE(ENUM, STR) {{STR}, ImpliedFeatures##ENUM}, +#include "llvm/Support/X86TargetParser.def" +}; + +void llvm::X86::getFeaturesForCPU(StringRef CPU, + SmallVectorImpl<StringRef> &EnabledFeatures) { + auto I = llvm::find_if(Processors, + [&](const ProcInfo &P) { return P.Name == CPU; }); + assert(I != std::end(Processors) && "Processor not found!"); + + FeatureBitset Bits = I->Features; + + // Remove the 64-bit feature which we only use to validate if a CPU can + // be used with 64-bit mode. + Bits &= ~Feature64BIT; + + // Add the string version of all set bits. for (unsigned i = 0; i != CPU_FEATURE_MAX; ++i) if (Bits[i] && !FeatureInfos[i].Name.empty()) EnabledFeatures.push_back(FeatureInfos[i].Name); -} - -// For each feature that is (transitively) implied by this feature, set it. -static void getImpliedEnabledFeatures(FeatureBitset &Bits, - const FeatureBitset &Implies) { - // Fast path: Implies is often empty. - if (!Implies.any()) - return; - FeatureBitset Prev; - Bits |= Implies; - do { - Prev = Bits; - for (unsigned i = CPU_FEATURE_MAX; i;) - if (Bits[--i]) - Bits |= FeatureInfos[i].ImpliedFeatures; - } while (Prev != Bits); -} - -/// Create bit vector of features that are implied disabled if the feature -/// passed in Value is disabled. -static void getImpliedDisabledFeatures(FeatureBitset &Bits, unsigned Value) { - // Check all features looking for any dependent on this feature. If we find - // one, mark it and recursively find any feature that depend on it. - FeatureBitset Prev; - Bits.set(Value); - do { - Prev = Bits; - for (unsigned i = 0; i != CPU_FEATURE_MAX; ++i) - if ((FeatureInfos[i].ImpliedFeatures & Bits).any()) - Bits.set(i); - } while (Prev != Bits); -} - +} + +// For each feature that is (transitively) implied by this feature, set it. +static void getImpliedEnabledFeatures(FeatureBitset &Bits, + const FeatureBitset &Implies) { + // Fast path: Implies is often empty. + if (!Implies.any()) + return; + FeatureBitset Prev; + Bits |= Implies; + do { + Prev = Bits; + for (unsigned i = CPU_FEATURE_MAX; i;) + if (Bits[--i]) + Bits |= FeatureInfos[i].ImpliedFeatures; + } while (Prev != Bits); +} + +/// Create bit vector of features that are implied disabled if the feature +/// passed in Value is disabled. +static void getImpliedDisabledFeatures(FeatureBitset &Bits, unsigned Value) { + // Check all features looking for any dependent on this feature. If we find + // one, mark it and recursively find any feature that depend on it. + FeatureBitset Prev; + Bits.set(Value); + do { + Prev = Bits; + for (unsigned i = 0; i != CPU_FEATURE_MAX; ++i) + if ((FeatureInfos[i].ImpliedFeatures & Bits).any()) + Bits.set(i); + } while (Prev != Bits); +} + void llvm::X86::updateImpliedFeatures( - StringRef Feature, bool Enabled, + StringRef Feature, bool Enabled, StringMap<bool> &Features) { - auto I = llvm::find_if( - FeatureInfos, [&](const FeatureInfo &FI) { return FI.Name == Feature; }); - if (I == std::end(FeatureInfos)) { - // FIXME: This shouldn't happen, but may not have all features in the table - // yet. - return; - } - - FeatureBitset ImpliedBits; - if (Enabled) - getImpliedEnabledFeatures(ImpliedBits, I->ImpliedFeatures); - else - getImpliedDisabledFeatures(ImpliedBits, - std::distance(std::begin(FeatureInfos), I)); - + auto I = llvm::find_if( + FeatureInfos, [&](const FeatureInfo &FI) { return FI.Name == Feature; }); + if (I == std::end(FeatureInfos)) { + // FIXME: This shouldn't happen, but may not have all features in the table + // yet. + return; + } + + FeatureBitset ImpliedBits; + if (Enabled) + getImpliedEnabledFeatures(ImpliedBits, I->ImpliedFeatures); + else + getImpliedDisabledFeatures(ImpliedBits, + std::distance(std::begin(FeatureInfos), I)); + // Update the map entry for all implied features. for (unsigned i = 0; i != CPU_FEATURE_MAX; ++i) if (ImpliedBits[i] && !FeatureInfos[i].Name.empty()) Features[FeatureInfos[i].Name] = Enabled; -} +} |