| OLD | NEW |
|---|
| (Empty) |
| 1 // Copyright 2016 the V8 project authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "src/v8.h" | |
| 6 | |
| 7 #include "src/wasm/asm-types.h" | |
| 8 | |
| 9 namespace v8 { | |
| 10 namespace internal { | |
| 11 namespace wasm { | |
| 12 | |
| 13 AsmCallableType* AsmType::AsCallableType() { | |
| 14 if (AsValueType() != nullptr) { | |
| 15 return nullptr; | |
| 16 } | |
| 17 | |
| 18 DCHECK(this->AsFunctionType() != nullptr || | |
| 19 this->AsOverloadedFunctionType() != nullptr || | |
| 20 this->AsFFIType() != nullptr || | |
| 21 this->AsFunctionTableType() != nullptr); | |
| 22 return reinterpret_cast<AsmCallableType*>(this); | |
| 23 } | |
| 24 | |
| 25 std::string AsmType::Name() { | |
| 26 AsmValueType* avt = this->AsValueType(); | |
| 27 if (avt != nullptr) { | |
| 28 switch (avt->Bitset()) { | |
| 29 #define RETURN_TYPE_NAME(CamelName, string_name, number, parent_types) \ | |
| 30 case AsmValueType::kAsm##CamelName: \ | |
| 31 return string_name; | |
| 32 FOR_EACH_ASM_VALUE_TYPE_LIST(RETURN_TYPE_NAME) | |
| 33 #undef RETURN_TYPE_NAME | |
| 34 default: | |
| 35 UNREACHABLE(); | |
| 36 } | |
| 37 } | |
| 38 | |
| 39 return this->AsCallableType()->Name(); | |
| 40 } | |
| 41 | |
| 42 bool AsmType::IsExactly(AsmType* that) { | |
| 43 // TODO(jpp): maybe this can become this == that. | |
| 44 AsmValueType* avt = this->AsValueType(); | |
| 45 if (avt != nullptr) { | |
| 46 AsmValueType* tavt = that->AsValueType(); | |
| 47 if (tavt == nullptr) { | |
| 48 return false; | |
| 49 } | |
| 50 return avt->Bitset() == tavt->Bitset(); | |
| 51 } | |
| 52 | |
| 53 // TODO(jpp): is it useful to allow non-value types to be tested with | |
| 54 // IsExactly? | |
| 55 return that == this; | |
| 56 } | |
| 57 | |
| 58 bool AsmType::IsA(AsmType* that) { | |
| 59 // IsA is used for querying inheritance relationships. Therefore it is only | |
| 60 // meaningful for basic types. | |
| 61 AsmValueType* tavt = that->AsValueType(); | |
| 62 if (tavt != nullptr) { | |
| 63 AsmValueType* avt = this->AsValueType(); | |
| 64 if (avt == nullptr) { | |
| 65 return false; | |
| 66 } | |
| 67 return (avt->Bitset() & tavt->Bitset()) == tavt->Bitset(); | |
| 68 } | |
| 69 | |
| 70 // TODO(jpp): is it useful to allow non-value types to be tested with IsA? | |
| 71 return that == this; | |
| 72 } | |
| 73 | |
| 74 int32_t AsmType::ElementSizeInBytes() { | |
| 75 auto* value = AsValueType(); | |
| 76 if (value == nullptr) { | |
| 77 return AsmType::kNotHeapType; | |
| 78 } | |
| 79 switch (value->Bitset()) { | |
| 80 case AsmValueType::kAsmInt8Array: | |
| 81 case AsmValueType::kAsmUint8Array: | |
| 82 return 1; | |
| 83 case AsmValueType::kAsmInt16Array: | |
| 84 case AsmValueType::kAsmUint16Array: | |
| 85 return 2; | |
| 86 case AsmValueType::kAsmInt32Array: | |
| 87 case AsmValueType::kAsmUint32Array: | |
| 88 case AsmValueType::kAsmFloat32Array: | |
| 89 return 4; | |
| 90 case AsmValueType::kAsmFloat64Array: | |
| 91 return 8; | |
| 92 default: | |
| 93 return AsmType::kNotHeapType; | |
| 94 } | |
| 95 } | |
| 96 | |
| 97 AsmType* AsmType::LoadType() { | |
| 98 auto* value = AsValueType(); | |
| 99 if (value == nullptr) { | |
| 100 return AsmType::None(); | |
| 101 } | |
| 102 switch (value->Bitset()) { | |
| 103 case AsmValueType::kAsmInt8Array: | |
| 104 case AsmValueType::kAsmUint8Array: | |
| 105 case AsmValueType::kAsmInt16Array: | |
| 106 case AsmValueType::kAsmUint16Array: | |
| 107 case AsmValueType::kAsmInt32Array: | |
| 108 case AsmValueType::kAsmUint32Array: | |
| 109 return AsmType::Intish(); | |
| 110 case AsmValueType::kAsmFloat32Array: | |
| 111 return AsmType::FloatQ(); | |
| 112 case AsmValueType::kAsmFloat64Array: | |
| 113 return AsmType::DoubleQ(); | |
| 114 default: | |
| 115 return AsmType::None(); | |
| 116 } | |
| 117 } | |
| 118 | |
| 119 AsmType* AsmType::StoreType() { | |
| 120 auto* value = AsValueType(); | |
| 121 if (value == nullptr) { | |
| 122 return AsmType::None(); | |
| 123 } | |
| 124 switch (value->Bitset()) { | |
| 125 case AsmValueType::kAsmInt8Array: | |
| 126 case AsmValueType::kAsmUint8Array: | |
| 127 case AsmValueType::kAsmInt16Array: | |
| 128 case AsmValueType::kAsmUint16Array: | |
| 129 case AsmValueType::kAsmInt32Array: | |
| 130 case AsmValueType::kAsmUint32Array: | |
| 131 return AsmType::Intish(); | |
| 132 case AsmValueType::kAsmFloat32Array: | |
| 133 return AsmType::FloatishDoubleQ(); | |
| 134 case AsmValueType::kAsmFloat64Array: | |
| 135 return AsmType::FloatQDoubleQ(); | |
| 136 default: | |
| 137 return AsmType::None(); | |
| 138 } | |
| 139 } | |
| 140 | |
| 141 std::string AsmFunctionType::Name() { | |
| 142 if (IsFroundType()) { | |
| 143 return "fround"; | |
| 144 } | |
| 145 | |
| 146 std::string ret; | |
| 147 ret += "("; | |
| 148 for (size_t ii = 0; ii < args_.size(); ++ii) { | |
| 149 ret += args_[ii]->Name(); | |
| 150 if (ii != args_.size() - 1) { | |
| 151 ret += ", "; | |
| 152 } | |
| 153 } | |
| 154 if (IsMinMaxType()) { | |
| 155 DCHECK_EQ(args_.size(), 2); | |
| 156 ret += "..."; | |
| 157 } | |
| 158 ret += ") -> "; | |
| 159 ret += return_type_->Name(); | |
| 160 return ret; | |
| 161 } | |
| 162 | |
| 163 namespace { | |
| 164 class AsmFroundType final : public AsmFunctionType { | |
| 165 public: | |
| 166 bool IsFroundType() const override { return true; } | |
| 167 | |
| 168 private: | |
| 169 friend AsmType; | |
| 170 | |
| 171 explicit AsmFroundType(Zone* zone) | |
| 172 : AsmFunctionType(zone, AsmType::Float()) {} | |
| 173 | |
| 174 AsmType* ValidateCall(AsmType* return_type, | |
| 175 const ZoneVector<AsmType*>& args) override; | |
| 176 }; | |
| 177 } // namespace | |
| 178 | |
| 179 AsmType* AsmType::FroundType(Zone* zone) { | |
| 180 auto* Fround = new (zone) AsmFroundType(zone); | |
| 181 return reinterpret_cast<AsmType*>(Fround); | |
| 182 } | |
| 183 | |
| 184 AsmType* AsmFroundType::ValidateCall(AsmType* return_type, | |
| 185 const ZoneVector<AsmType*>& args) { | |
| 186 if (args.size() != 1) { | |
| 187 return AsmType::None(); | |
| 188 } | |
| 189 | |
| 190 auto* arg = args[0]; | |
| 191 if (!arg->IsA(AsmType::Floatish()) && !arg->IsA(AsmType::DoubleQ()) && | |
| 192 !arg->IsA(AsmType::Signed()) && !arg->IsA(AsmType::Unsigned())) { | |
| 193 return AsmType::None(); | |
| 194 } | |
| 195 | |
| 196 return AsmType::Float(); | |
| 197 } | |
| 198 | |
| 199 namespace { | |
| 200 class AsmMinMaxType final : public AsmFunctionType { | |
| 201 public: | |
| 202 bool IsMinMaxType() const override { return true; } | |
| 203 | |
| 204 private: | |
| 205 friend AsmType; | |
| 206 | |
| 207 AsmMinMaxType(Zone* zone, AsmType* dest, AsmType* src) | |
| 208 : AsmFunctionType(zone, dest) { | |
| 209 AddArgument(src); | |
| 210 AddArgument(src); | |
| 211 } | |
| 212 | |
| 213 AsmType* ValidateCall(AsmType* return_type, | |
| 214 const ZoneVector<AsmType*>& args) override { | |
| 215 if (!ReturnType()->IsExactly(return_type)) { | |
| 216 return AsmType::None(); | |
| 217 } | |
| 218 | |
| 219 if (args.size() < 2) { | |
| 220 return AsmType::None(); | |
| 221 } | |
| 222 | |
| 223 for (size_t ii = 0; ii < Arguments().size(); ++ii) { | |
| 224 if (!Arguments()[0]->IsExactly(args[ii])) { | |
| 225 return AsmType::None(); | |
| 226 } | |
| 227 } | |
| 228 | |
| 229 return ReturnType(); | |
| 230 } | |
| 231 }; | |
| 232 } // namespace | |
| 233 | |
| 234 AsmType* AsmType::MinMaxType(Zone* zone, AsmType* dest, AsmType* src) { | |
| 235 DCHECK(dest->AsValueType() != nullptr); | |
| 236 DCHECK(src->AsValueType() != nullptr); | |
| 237 auto* MinMax = new (zone) AsmMinMaxType(zone, dest, src); | |
| 238 return reinterpret_cast<AsmType*>(MinMax); | |
| 239 } | |
| 240 | |
| 241 AsmType* AsmFFIType::ValidateCall(AsmType* return_type, | |
| 242 const ZoneVector<AsmType*>& args) { | |
| 243 for (size_t ii = 0; ii < args.size(); ++ii) { | |
| 244 if (!args[ii]->IsA(AsmType::Extern())) { | |
| 245 return AsmType::None(); | |
| 246 } | |
| 247 } | |
| 248 | |
| 249 return return_type; | |
| 250 } | |
| 251 | |
| 252 AsmType* AsmFunctionType::ValidateCall(AsmType* return_type, | |
| 253 const ZoneVector<AsmType*>& args) { | |
| 254 if (!return_type_->IsExactly(return_type)) { | |
| 255 return AsmType::None(); | |
| 256 } | |
| 257 | |
| 258 if (args_.size() != args.size()) { | |
| 259 return AsmType::None(); | |
| 260 } | |
| 261 | |
| 262 for (size_t ii = 0; ii < args_.size(); ++ii) { | |
| 263 if (!args_[ii]->IsExactly(args[ii])) { | |
| 264 return AsmType::None(); | |
| 265 } | |
| 266 } | |
| 267 | |
| 268 return return_type_; | |
| 269 } | |
| 270 | |
| 271 std::string AsmOverloadedFunctionType::Name() { | |
| 272 std::string ret; | |
| 273 | |
| 274 for (size_t ii = 0; ii < overloads_.size(); ++ii) { | |
| 275 if (ii != 0) { | |
| 276 ret += " /\\ "; | |
| 277 } | |
| 278 ret += overloads_[ii]->Name(); | |
| 279 } | |
| 280 | |
| 281 return ret; | |
| 282 } | |
| 283 | |
| 284 AsmType* AsmOverloadedFunctionType::ValidateCall( | |
| 285 AsmType* return_type, const ZoneVector<AsmType*>& args) { | |
| 286 for (size_t ii = 0; ii < overloads_.size(); ++ii) { | |
| 287 auto* validated_type = | |
| 288 overloads_[ii]->AsCallableType()->ValidateCall(return_type, args); | |
| 289 if (validated_type != AsmType::None()) { | |
| 290 return validated_type; | |
| 291 } | |
| 292 } | |
| 293 | |
| 294 return AsmType::None(); | |
| 295 } | |
| 296 | |
| 297 void AsmOverloadedFunctionType::AddOverload(AsmType* overload) { | |
| 298 DCHECK(overload->AsFunctionType() != nullptr); | |
| 299 overloads_.push_back(overload); | |
| 300 } | |
| 301 | |
| 302 AsmFunctionTableType::AsmFunctionTableType(size_t length, AsmType* signature) | |
| 303 : length_(length), signature_(signature) { | |
| 304 DCHECK(signature_ != nullptr); | |
| 305 DCHECK(signature_->AsFunctionType() != nullptr); | |
| 306 } | |
| 307 | |
| 308 std::string AsmFunctionTableType::Name() { | |
| 309 return signature_->Name() + "[" + std::to_string(length_) + "]"; | |
| 310 } | |
| 311 | |
| 312 AsmType* AsmFunctionTableType::ValidateCall(AsmType* return_type, | |
| 313 const ZoneVector<AsmType*>& args) { | |
| 314 return signature_->AsCallableType()->ValidateCall(return_type, args); | |
| 315 } | |
| 316 | |
| 317 } // namespace wasm | |
| 318 } // namespace internal | |
| 319 } // namespace v8 | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2057403003:
Hooking up asm-wasm conversion. (Closed)
Base URL: https://chromium.googlesource.com/v8/v8.git@master