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/ARMBuildAttributes.h" 15 #include "llvm/Support/TargetParser.h" 16 #include "llvm/ADT/ArrayRef.h" 17 #include "llvm/ADT/StringSwitch.h" 18 #include "llvm/ADT/Twine.h" 19 20 using namespace llvm; 21 using namespace AMDGPU; 22 23 namespace { 24 25 struct GPUInfo { 26 StringLiteral Name; 27 StringLiteral CanonicalName; 28 AMDGPU::GPUKind Kind; 29 unsigned Features; 30 }; 31 32 constexpr GPUInfo R600GPUs[26] = { 33 // Name Canonical Kind Features 34 // Name 35 {{"r600"}, {"r600"}, GK_R600, FEATURE_NONE }, 36 {{"rv630"}, {"r600"}, GK_R600, FEATURE_NONE }, 37 {{"rv635"}, {"r600"}, GK_R600, FEATURE_NONE }, 38 {{"r630"}, {"r630"}, GK_R630, FEATURE_NONE }, 39 {{"rs780"}, {"rs880"}, GK_RS880, FEATURE_NONE }, 40 {{"rs880"}, {"rs880"}, GK_RS880, FEATURE_NONE }, 41 {{"rv610"}, {"rs880"}, GK_RS880, FEATURE_NONE }, 42 {{"rv620"}, {"rs880"}, GK_RS880, FEATURE_NONE }, 43 {{"rv670"}, {"rv670"}, GK_RV670, FEATURE_NONE }, 44 {{"rv710"}, {"rv710"}, GK_RV710, FEATURE_NONE }, 45 {{"rv730"}, {"rv730"}, GK_RV730, FEATURE_NONE }, 46 {{"rv740"}, {"rv770"}, GK_RV770, FEATURE_NONE }, 47 {{"rv770"}, {"rv770"}, GK_RV770, FEATURE_NONE }, 48 {{"cedar"}, {"cedar"}, GK_CEDAR, FEATURE_NONE }, 49 {{"palm"}, {"cedar"}, GK_CEDAR, FEATURE_NONE }, 50 {{"cypress"}, {"cypress"}, GK_CYPRESS, FEATURE_FMA }, 51 {{"hemlock"}, {"cypress"}, GK_CYPRESS, FEATURE_FMA }, 52 {{"juniper"}, {"juniper"}, GK_JUNIPER, FEATURE_NONE }, 53 {{"redwood"}, {"redwood"}, GK_REDWOOD, FEATURE_NONE }, 54 {{"sumo"}, {"sumo"}, GK_SUMO, FEATURE_NONE }, 55 {{"sumo2"}, {"sumo"}, GK_SUMO, FEATURE_NONE }, 56 {{"barts"}, {"barts"}, GK_BARTS, FEATURE_NONE }, 57 {{"caicos"}, {"caicos"}, GK_CAICOS, FEATURE_NONE }, 58 {{"aruba"}, {"cayman"}, GK_CAYMAN, FEATURE_FMA }, 59 {{"cayman"}, {"cayman"}, GK_CAYMAN, FEATURE_FMA }, 60 {{"turks"}, {"turks"}, GK_TURKS, FEATURE_NONE } 61 }; 62 63 // This table should be sorted by the value of GPUKind 64 // Don't bother listing the implicitly true features 65 constexpr GPUInfo AMDGCNGPUs[33] = { 66 // Name Canonical Kind Features 67 // Name 68 {{"gfx600"}, {"gfx600"}, GK_GFX600, FEATURE_FAST_FMA_F32}, 69 {{"tahiti"}, {"gfx600"}, GK_GFX600, FEATURE_FAST_FMA_F32}, 70 {{"gfx601"}, {"gfx601"}, GK_GFX601, FEATURE_NONE}, 71 {{"hainan"}, {"gfx601"}, GK_GFX601, FEATURE_NONE}, 72 {{"oland"}, {"gfx601"}, GK_GFX601, FEATURE_NONE}, 73 {{"pitcairn"}, {"gfx601"}, GK_GFX601, FEATURE_NONE}, 74 {{"verde"}, {"gfx601"}, GK_GFX601, FEATURE_NONE}, 75 {{"gfx700"}, {"gfx700"}, GK_GFX700, FEATURE_NONE}, 76 {{"kaveri"}, {"gfx700"}, GK_GFX700, FEATURE_NONE}, 77 {{"gfx701"}, {"gfx701"}, GK_GFX701, FEATURE_FAST_FMA_F32}, 78 {{"hawaii"}, {"gfx701"}, GK_GFX701, FEATURE_FAST_FMA_F32}, 79 {{"gfx702"}, {"gfx702"}, GK_GFX702, FEATURE_FAST_FMA_F32}, 80 {{"gfx703"}, {"gfx703"}, GK_GFX703, FEATURE_NONE}, 81 {{"kabini"}, {"gfx703"}, GK_GFX703, FEATURE_NONE}, 82 {{"mullins"}, {"gfx703"}, GK_GFX703, FEATURE_NONE}, 83 {{"gfx704"}, {"gfx704"}, GK_GFX704, FEATURE_NONE}, 84 {{"bonaire"}, {"gfx704"}, GK_GFX704, FEATURE_NONE}, 85 {{"gfx801"}, {"gfx801"}, GK_GFX801, FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32}, 86 {{"carrizo"}, {"gfx801"}, GK_GFX801, FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32}, 87 {{"gfx802"}, {"gfx802"}, GK_GFX802, FEATURE_FAST_DENORMAL_F32}, 88 {{"iceland"}, {"gfx802"}, GK_GFX802, FEATURE_FAST_DENORMAL_F32}, 89 {{"tonga"}, {"gfx802"}, GK_GFX802, FEATURE_FAST_DENORMAL_F32}, 90 {{"gfx803"}, {"gfx803"}, GK_GFX803, FEATURE_FAST_DENORMAL_F32}, 91 {{"fiji"}, {"gfx803"}, GK_GFX803, FEATURE_FAST_DENORMAL_F32}, 92 {{"polaris10"}, {"gfx803"}, GK_GFX803, FEATURE_FAST_DENORMAL_F32}, 93 {{"polaris11"}, {"gfx803"}, GK_GFX803, FEATURE_FAST_DENORMAL_F32}, 94 {{"gfx810"}, {"gfx810"}, GK_GFX810, FEATURE_FAST_DENORMAL_F32}, 95 {{"stoney"}, {"gfx810"}, GK_GFX810, FEATURE_FAST_DENORMAL_F32}, 96 {{"gfx900"}, {"gfx900"}, GK_GFX900, FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32}, 97 {{"gfx902"}, {"gfx902"}, GK_GFX902, FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32}, 98 {{"gfx904"}, {"gfx904"}, GK_GFX904, FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32}, 99 {{"gfx906"}, {"gfx906"}, GK_GFX906, FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32}, 100 {{"gfx909"}, {"gfx909"}, GK_GFX909, FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32}, 101 }; 102 103 const GPUInfo *getArchEntry(AMDGPU::GPUKind AK, ArrayRef<GPUInfo> Table) { 104 GPUInfo Search = { {""}, {""}, AK, AMDGPU::FEATURE_NONE }; 105 106 auto I = std::lower_bound(Table.begin(), Table.end(), Search, 107 [](const GPUInfo &A, const GPUInfo &B) { 108 return A.Kind < B.Kind; 109 }); 110 111 if (I == Table.end()) 112 return nullptr; 113 return I; 114 } 115 116 } // namespace 117 118 StringRef llvm::AMDGPU::getArchNameAMDGCN(GPUKind AK) { 119 if (const auto *Entry = getArchEntry(AK, AMDGCNGPUs)) 120 return Entry->CanonicalName; 121 return ""; 122 } 123 124 StringRef llvm::AMDGPU::getArchNameR600(GPUKind AK) { 125 if (const auto *Entry = getArchEntry(AK, R600GPUs)) 126 return Entry->CanonicalName; 127 return ""; 128 } 129 130 AMDGPU::GPUKind llvm::AMDGPU::parseArchAMDGCN(StringRef CPU) { 131 for (const auto C : AMDGCNGPUs) { 132 if (CPU == C.Name) 133 return C.Kind; 134 } 135 136 return AMDGPU::GPUKind::GK_NONE; 137 } 138 139 AMDGPU::GPUKind llvm::AMDGPU::parseArchR600(StringRef CPU) { 140 for (const auto C : R600GPUs) { 141 if (CPU == C.Name) 142 return C.Kind; 143 } 144 145 return AMDGPU::GPUKind::GK_NONE; 146 } 147 148 unsigned AMDGPU::getArchAttrAMDGCN(GPUKind AK) { 149 if (const auto *Entry = getArchEntry(AK, AMDGCNGPUs)) 150 return Entry->Features; 151 return FEATURE_NONE; 152 } 153 154 unsigned AMDGPU::getArchAttrR600(GPUKind AK) { 155 if (const auto *Entry = getArchEntry(AK, R600GPUs)) 156 return Entry->Features; 157 return FEATURE_NONE; 158 } 159 160 void AMDGPU::fillValidArchListAMDGCN(SmallVectorImpl<StringRef> &Values) { 161 // XXX: Should this only report unique canonical names? 162 for (const auto C : AMDGCNGPUs) 163 Values.push_back(C.Name); 164 } 165 166 void AMDGPU::fillValidArchListR600(SmallVectorImpl<StringRef> &Values) { 167 for (const auto C : R600GPUs) 168 Values.push_back(C.Name); 169 } 170 171 AMDGPU::IsaVersion AMDGPU::getIsaVersion(StringRef GPU) { 172 AMDGPU::GPUKind AK = parseArchAMDGCN(GPU); 173 if (AK == AMDGPU::GPUKind::GK_NONE) { 174 if (GPU == "generic-hsa") 175 return {7, 0, 0}; 176 if (GPU == "generic") 177 return {6, 0, 0}; 178 return {0, 0, 0}; 179 } 180 181 switch (AK) { 182 case GK_GFX600: return {6, 0, 0}; 183 case GK_GFX601: return {6, 0, 1}; 184 case GK_GFX700: return {7, 0, 0}; 185 case GK_GFX701: return {7, 0, 1}; 186 case GK_GFX702: return {7, 0, 2}; 187 case GK_GFX703: return {7, 0, 3}; 188 case GK_GFX704: return {7, 0, 4}; 189 case GK_GFX801: return {8, 0, 1}; 190 case GK_GFX802: return {8, 0, 2}; 191 case GK_GFX803: return {8, 0, 3}; 192 case GK_GFX810: return {8, 1, 0}; 193 case GK_GFX900: return {9, 0, 0}; 194 case GK_GFX902: return {9, 0, 2}; 195 case GK_GFX904: return {9, 0, 4}; 196 case GK_GFX906: return {9, 0, 6}; 197 case GK_GFX909: return {9, 0, 9}; 198 default: return {0, 0, 0}; 199 } 200 } 201