1//===-- TargetParser - Parser for target features ---------------*- C++ -*-===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8// 9// This file implements a target parser to recognise hardware features such as 10// FPU/CPU/ARCH names as well as specific support such as HDIV, etc. 11// 12//===----------------------------------------------------------------------===// 13 14#include "llvm/Support/TargetParser.h" 15#include "llvm/ADT/ArrayRef.h" 16#include "llvm/ADT/SmallString.h" 17#include "llvm/ADT/StringSwitch.h" 18#include "llvm/ADT/Twine.h" 19#include "llvm/Support/ARMBuildAttributes.h" 20 21using namespace llvm; 22using namespace AMDGPU; 23 24namespace { 25 26struct GPUInfo { 27 StringLiteral Name; 28 StringLiteral CanonicalName; 29 AMDGPU::GPUKind Kind; 30 unsigned Features; 31}; 32 33constexpr GPUInfo R600GPUs[26] = { 34 // Name Canonical Kind Features 35 // Name 36 {{"r600"}, {"r600"}, GK_R600, FEATURE_NONE }, 37 {{"rv630"}, {"r600"}, GK_R600, FEATURE_NONE }, 38 {{"rv635"}, {"r600"}, GK_R600, FEATURE_NONE }, 39 {{"r630"}, {"r630"}, GK_R630, FEATURE_NONE }, 40 {{"rs780"}, {"rs880"}, GK_RS880, FEATURE_NONE }, 41 {{"rs880"}, {"rs880"}, GK_RS880, FEATURE_NONE }, 42 {{"rv610"}, {"rs880"}, GK_RS880, FEATURE_NONE }, 43 {{"rv620"}, {"rs880"}, GK_RS880, FEATURE_NONE }, 44 {{"rv670"}, {"rv670"}, GK_RV670, FEATURE_NONE }, 45 {{"rv710"}, {"rv710"}, GK_RV710, FEATURE_NONE }, 46 {{"rv730"}, {"rv730"}, GK_RV730, FEATURE_NONE }, 47 {{"rv740"}, {"rv770"}, GK_RV770, FEATURE_NONE }, 48 {{"rv770"}, {"rv770"}, GK_RV770, FEATURE_NONE }, 49 {{"cedar"}, {"cedar"}, GK_CEDAR, FEATURE_NONE }, 50 {{"palm"}, {"cedar"}, GK_CEDAR, FEATURE_NONE }, 51 {{"cypress"}, {"cypress"}, GK_CYPRESS, FEATURE_FMA }, 52 {{"hemlock"}, {"cypress"}, GK_CYPRESS, FEATURE_FMA }, 53 {{"juniper"}, {"juniper"}, GK_JUNIPER, FEATURE_NONE }, 54 {{"redwood"}, {"redwood"}, GK_REDWOOD, FEATURE_NONE }, 55 {{"sumo"}, {"sumo"}, GK_SUMO, FEATURE_NONE }, 56 {{"sumo2"}, {"sumo"}, GK_SUMO, FEATURE_NONE }, 57 {{"barts"}, {"barts"}, GK_BARTS, FEATURE_NONE }, 58 {{"caicos"}, {"caicos"}, GK_CAICOS, FEATURE_NONE }, 59 {{"aruba"}, {"cayman"}, GK_CAYMAN, FEATURE_FMA }, 60 {{"cayman"}, {"cayman"}, GK_CAYMAN, FEATURE_FMA }, 61 {{"turks"}, {"turks"}, GK_TURKS, FEATURE_NONE } 62}; 63 64// This table should be sorted by the value of GPUKind 65// Don't bother listing the implicitly true features 66constexpr GPUInfo AMDGCNGPUs[38] = { 67 // Name Canonical Kind Features 68 // Name 69 {{"gfx600"}, {"gfx600"}, GK_GFX600, FEATURE_FAST_FMA_F32}, 70 {{"tahiti"}, {"gfx600"}, GK_GFX600, FEATURE_FAST_FMA_F32}, 71 {{"gfx601"}, {"gfx601"}, GK_GFX601, FEATURE_NONE}, 72 {{"hainan"}, {"gfx601"}, GK_GFX601, FEATURE_NONE}, 73 {{"oland"}, {"gfx601"}, GK_GFX601, FEATURE_NONE}, 74 {{"pitcairn"}, {"gfx601"}, GK_GFX601, FEATURE_NONE}, 75 {{"verde"}, {"gfx601"}, GK_GFX601, FEATURE_NONE}, 76 {{"gfx700"}, {"gfx700"}, GK_GFX700, FEATURE_NONE}, 77 {{"kaveri"}, {"gfx700"}, GK_GFX700, FEATURE_NONE}, 78 {{"gfx701"}, {"gfx701"}, GK_GFX701, FEATURE_FAST_FMA_F32}, 79 {{"hawaii"}, {"gfx701"}, GK_GFX701, FEATURE_FAST_FMA_F32}, 80 {{"gfx702"}, {"gfx702"}, GK_GFX702, FEATURE_FAST_FMA_F32}, 81 {{"gfx703"}, {"gfx703"}, GK_GFX703, FEATURE_NONE}, 82 {{"kabini"}, {"gfx703"}, GK_GFX703, FEATURE_NONE}, 83 {{"mullins"}, {"gfx703"}, GK_GFX703, FEATURE_NONE}, 84 {{"gfx704"}, {"gfx704"}, GK_GFX704, FEATURE_NONE}, 85 {{"bonaire"}, {"gfx704"}, GK_GFX704, FEATURE_NONE}, 86 {{"gfx801"}, {"gfx801"}, GK_GFX801, FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32}, 87 {{"carrizo"}, {"gfx801"}, GK_GFX801, FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32}, 88 {{"gfx802"}, {"gfx802"}, GK_GFX802, FEATURE_FAST_DENORMAL_F32}, 89 {{"iceland"}, {"gfx802"}, GK_GFX802, FEATURE_FAST_DENORMAL_F32}, 90 {{"tonga"}, {"gfx802"}, GK_GFX802, FEATURE_FAST_DENORMAL_F32}, 91 {{"gfx803"}, {"gfx803"}, GK_GFX803, FEATURE_FAST_DENORMAL_F32}, 92 {{"fiji"}, {"gfx803"}, GK_GFX803, FEATURE_FAST_DENORMAL_F32}, 93 {{"polaris10"}, {"gfx803"}, GK_GFX803, FEATURE_FAST_DENORMAL_F32}, 94 {{"polaris11"}, {"gfx803"}, GK_GFX803, FEATURE_FAST_DENORMAL_F32}, 95 {{"gfx810"}, {"gfx810"}, GK_GFX810, FEATURE_FAST_DENORMAL_F32}, 96 {{"stoney"}, {"gfx810"}, GK_GFX810, FEATURE_FAST_DENORMAL_F32}, 97 {{"gfx900"}, {"gfx900"}, GK_GFX900, FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32}, 98 {{"gfx902"}, {"gfx902"}, GK_GFX902, FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32}, 99 {{"gfx904"}, {"gfx904"}, GK_GFX904, FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32}, 100 {{"gfx906"}, {"gfx906"}, GK_GFX906, FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32}, 101 {{"gfx908"}, {"gfx908"}, GK_GFX908, FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32}, 102 {{"gfx909"}, {"gfx909"}, GK_GFX909, FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32}, 103 {{"gfx1010"}, {"gfx1010"}, GK_GFX1010, FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32}, 104 {{"gfx1011"}, {"gfx1011"}, GK_GFX1011, FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32}, 105 {{"gfx1012"}, {"gfx1012"}, GK_GFX1012, FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32}, 106 {{"gfx1030"}, {"gfx1030"}, GK_GFX1030, FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32|FEATURE_WAVE32}, 107}; 108 109const GPUInfo *getArchEntry(AMDGPU::GPUKind AK, ArrayRef<GPUInfo> Table) { 110 GPUInfo Search = { {""}, {""}, AK, AMDGPU::FEATURE_NONE }; 111 112 auto I = std::lower_bound(Table.begin(), Table.end(), Search, 113 [](const GPUInfo &A, const GPUInfo &B) { 114 return A.Kind < B.Kind; 115 }); 116 117 if (I == Table.end()) 118 return nullptr; 119 return I; 120} 121 122} // namespace 123 124StringRef llvm::AMDGPU::getArchNameAMDGCN(GPUKind AK) { 125 if (const auto *Entry = getArchEntry(AK, AMDGCNGPUs)) 126 return Entry->CanonicalName; 127 return ""; 128} 129 130StringRef llvm::AMDGPU::getArchNameR600(GPUKind AK) { 131 if (const auto *Entry = getArchEntry(AK, R600GPUs)) 132 return Entry->CanonicalName; 133 return ""; 134} 135 136AMDGPU::GPUKind llvm::AMDGPU::parseArchAMDGCN(StringRef CPU) { 137 for (const auto &C : AMDGCNGPUs) { 138 if (CPU == C.Name) 139 return C.Kind; 140 } 141 142 return AMDGPU::GPUKind::GK_NONE; 143} 144 145AMDGPU::GPUKind llvm::AMDGPU::parseArchR600(StringRef CPU) { 146 for (const auto &C : R600GPUs) { 147 if (CPU == C.Name) 148 return C.Kind; 149 } 150 151 return AMDGPU::GPUKind::GK_NONE; 152} 153 154unsigned AMDGPU::getArchAttrAMDGCN(GPUKind AK) { 155 if (const auto *Entry = getArchEntry(AK, AMDGCNGPUs)) 156 return Entry->Features; 157 return FEATURE_NONE; 158} 159 160unsigned AMDGPU::getArchAttrR600(GPUKind AK) { 161 if (const auto *Entry = getArchEntry(AK, R600GPUs)) 162 return Entry->Features; 163 return FEATURE_NONE; 164} 165 166void AMDGPU::fillValidArchListAMDGCN(SmallVectorImpl<StringRef> &Values) { 167 // XXX: Should this only report unique canonical names? 168 for (const auto &C : AMDGCNGPUs) 169 Values.push_back(C.Name); 170} 171 172void AMDGPU::fillValidArchListR600(SmallVectorImpl<StringRef> &Values) { 173 for (const auto &C : R600GPUs) 174 Values.push_back(C.Name); 175} 176 177AMDGPU::IsaVersion AMDGPU::getIsaVersion(StringRef GPU) { 178 AMDGPU::GPUKind AK = parseArchAMDGCN(GPU); 179 if (AK == AMDGPU::GPUKind::GK_NONE) { 180 if (GPU == "generic-hsa") 181 return {7, 0, 0}; 182 if (GPU == "generic") 183 return {6, 0, 0}; 184 return {0, 0, 0}; 185 } 186 187 switch (AK) { 188 case GK_GFX600: return {6, 0, 0}; 189 case GK_GFX601: return {6, 0, 1}; 190 case GK_GFX700: return {7, 0, 0}; 191 case GK_GFX701: return {7, 0, 1}; 192 case GK_GFX702: return {7, 0, 2}; 193 case GK_GFX703: return {7, 0, 3}; 194 case GK_GFX704: return {7, 0, 4}; 195 case GK_GFX801: return {8, 0, 1}; 196 case GK_GFX802: return {8, 0, 2}; 197 case GK_GFX803: return {8, 0, 3}; 198 case GK_GFX810: return {8, 1, 0}; 199 case GK_GFX900: return {9, 0, 0}; 200 case GK_GFX902: return {9, 0, 2}; 201 case GK_GFX904: return {9, 0, 4}; 202 case GK_GFX906: return {9, 0, 6}; 203 case GK_GFX908: return {9, 0, 8}; 204 case GK_GFX909: return {9, 0, 9}; 205 case GK_GFX1010: return {10, 1, 0}; 206 case GK_GFX1011: return {10, 1, 1}; 207 case GK_GFX1012: return {10, 1, 2}; 208 case GK_GFX1030: return {10, 3, 0}; 209 default: return {0, 0, 0}; 210 } 211} 212 213namespace llvm { 214namespace RISCV { 215 216struct CPUInfo { 217 StringLiteral Name; 218 CPUKind Kind; 219 unsigned Features; 220 StringLiteral DefaultMarch; 221 bool is64Bit() const { return (Features & FK_64BIT); } 222}; 223 224constexpr CPUInfo RISCVCPUInfo[] = { 225#define PROC(ENUM, NAME, FEATURES, DEFAULT_MARCH) \ 226 {NAME, CK_##ENUM, FEATURES, DEFAULT_MARCH}, 227#include "llvm/Support/RISCVTargetParser.def" 228}; 229 230bool checkCPUKind(CPUKind Kind, bool IsRV64) { 231 if (Kind == CK_INVALID) 232 return false; 233 return RISCVCPUInfo[static_cast<unsigned>(Kind)].is64Bit() == IsRV64; 234} 235 236CPUKind parseCPUKind(StringRef CPU) { 237 return llvm::StringSwitch<CPUKind>(CPU) 238#define PROC(ENUM, NAME, FEATURES, DEFAULT_MARCH) .Case(NAME, CK_##ENUM) 239#include "llvm/Support/RISCVTargetParser.def" 240 .Default(CK_INVALID); 241} 242 243StringRef getMArchFromMcpu(StringRef CPU) { 244 CPUKind Kind = parseCPUKind(CPU); 245 return RISCVCPUInfo[static_cast<unsigned>(Kind)].DefaultMarch; 246} 247 248void fillValidCPUArchList(SmallVectorImpl<StringRef> &Values, bool IsRV64) { 249 for (const auto &C : RISCVCPUInfo) { 250 if (C.Kind != CK_INVALID && IsRV64 == C.is64Bit()) 251 Values.emplace_back(C.Name); 252 } 253} 254 255// Get all features except standard extension feature 256bool getCPUFeaturesExceptStdExt(CPUKind Kind, 257 std::vector<StringRef> &Features) { 258 unsigned CPUFeatures = RISCVCPUInfo[static_cast<unsigned>(Kind)].Features; 259 260 if (CPUFeatures == FK_INVALID) 261 return false; 262 263 if (CPUFeatures & FK_64BIT) 264 Features.push_back("+64bit"); 265 else 266 Features.push_back("-64bit"); 267 268 return true; 269} 270 271} // namespace RISCV 272} // namespace llvm 273