OLD | NEW |
1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/compiler/code-stub-assembler.h" | 5 #include "src/compiler/code-stub-assembler.h" |
6 | 6 |
7 #include <ostream> | 7 #include <ostream> |
8 | 8 |
9 #include "src/code-factory.h" | 9 #include "src/code-factory.h" |
10 #include "src/compiler/graph.h" | 10 #include "src/compiler/graph.h" |
11 #include "src/compiler/instruction-selector.h" | 11 #include "src/compiler/instruction-selector.h" |
12 #include "src/compiler/linkage.h" | 12 #include "src/compiler/linkage.h" |
13 #include "src/compiler/pipeline.h" | 13 #include "src/compiler/pipeline.h" |
14 #include "src/compiler/raw-machine-assembler.h" | 14 #include "src/compiler/raw-machine-assembler.h" |
15 #include "src/compiler/schedule.h" | 15 #include "src/compiler/schedule.h" |
16 #include "src/frames.h" | 16 #include "src/frames.h" |
17 #include "src/interface-descriptors.h" | 17 #include "src/interface-descriptors.h" |
18 #include "src/interpreter/bytecodes.h" | 18 #include "src/interpreter/bytecodes.h" |
19 #include "src/machine-type.h" | 19 #include "src/machine-type.h" |
20 #include "src/macro-assembler.h" | 20 #include "src/macro-assembler.h" |
21 #include "src/zone.h" | 21 #include "src/zone.h" |
22 | 22 |
23 namespace v8 { | 23 namespace v8 { |
24 namespace internal { | 24 namespace internal { |
25 namespace compiler { | 25 namespace compiler { |
26 | 26 |
27 CodeStubAssembler::CodeStubAssembler(Isolate* isolate, Zone* zone, | 27 CodeStubAssembler::CodeStubAssembler(Isolate* isolate, Zone* zone, |
28 const CallInterfaceDescriptor& descriptor, | 28 const CallInterfaceDescriptor& descriptor, |
29 Code::Flags flags, const char* name) | 29 Code::Flags flags, const char* name, |
| 30 size_t result_size) |
30 : raw_assembler_(new RawMachineAssembler( | 31 : raw_assembler_(new RawMachineAssembler( |
31 isolate, new (zone) Graph(zone), | 32 isolate, new (zone) Graph(zone), |
32 Linkage::GetStubCallDescriptor(isolate, zone, descriptor, 0, | 33 Linkage::GetStubCallDescriptor( |
33 CallDescriptor::kNoFlags))), | 34 isolate, zone, descriptor, descriptor.GetStackParameterCount(), |
| 35 CallDescriptor::kNoFlags, Operator::kNoProperties, |
| 36 MachineType::AnyTagged(), result_size))), |
34 flags_(flags), | 37 flags_(flags), |
35 name_(name), | 38 name_(name), |
36 code_generated_(false), | 39 code_generated_(false), |
37 variables_(zone) {} | 40 variables_(zone) {} |
38 | 41 |
39 CodeStubAssembler::~CodeStubAssembler() {} | 42 CodeStubAssembler::~CodeStubAssembler() {} |
40 | 43 |
| 44 void CodeStubAssembler::CallPrologue() {} |
| 45 |
| 46 void CodeStubAssembler::CallEpilogue() {} |
41 | 47 |
42 Handle<Code> CodeStubAssembler::GenerateCode() { | 48 Handle<Code> CodeStubAssembler::GenerateCode() { |
43 DCHECK(!code_generated_); | 49 DCHECK(!code_generated_); |
44 | 50 |
45 Schedule* schedule = raw_assembler_->Export(); | 51 Schedule* schedule = raw_assembler_->Export(); |
46 Handle<Code> code = Pipeline::GenerateCodeForCodeStub( | 52 Handle<Code> code = Pipeline::GenerateCodeForCodeStub( |
47 isolate(), raw_assembler_->call_descriptor(), graph(), schedule, flags_, | 53 isolate(), raw_assembler_->call_descriptor(), graph(), schedule, flags_, |
48 name_); | 54 name_); |
49 | 55 |
50 code_generated_ = true; | 56 code_generated_ = true; |
(...skipping 39 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
90 } | 96 } |
91 | 97 |
92 void CodeStubAssembler::Bind(CodeStubAssembler::Label* label) { | 98 void CodeStubAssembler::Bind(CodeStubAssembler::Label* label) { |
93 return label->Bind(); | 99 return label->Bind(); |
94 } | 100 } |
95 | 101 |
96 Node* CodeStubAssembler::LoadFramePointer() { | 102 Node* CodeStubAssembler::LoadFramePointer() { |
97 return raw_assembler_->LoadFramePointer(); | 103 return raw_assembler_->LoadFramePointer(); |
98 } | 104 } |
99 | 105 |
| 106 Node* CodeStubAssembler::LoadStackPointer() { |
| 107 return raw_assembler_->LoadStackPointer(); |
| 108 } |
| 109 |
100 Node* CodeStubAssembler::SmiShiftBitsConstant() { | 110 Node* CodeStubAssembler::SmiShiftBitsConstant() { |
101 return Int32Constant(kSmiShiftSize + kSmiTagSize); | 111 return Int32Constant(kSmiShiftSize + kSmiTagSize); |
102 } | 112 } |
103 | 113 |
104 | 114 |
105 Node* CodeStubAssembler::SmiTag(Node* value) { | 115 Node* CodeStubAssembler::SmiTag(Node* value) { |
106 return raw_assembler_->WordShl(value, SmiShiftBitsConstant()); | 116 return raw_assembler_->WordShl(value, SmiShiftBitsConstant()); |
107 } | 117 } |
108 | 118 |
109 | 119 |
110 Node* CodeStubAssembler::SmiUntag(Node* value) { | 120 Node* CodeStubAssembler::SmiUntag(Node* value) { |
111 return raw_assembler_->WordSar(value, SmiShiftBitsConstant()); | 121 return raw_assembler_->WordSar(value, SmiShiftBitsConstant()); |
112 } | 122 } |
113 | 123 |
114 #define DEFINE_CODE_STUB_ASSEMBER_BINARY_OP(name) \ | 124 #define DEFINE_CODE_STUB_ASSEMBER_BINARY_OP(name) \ |
115 Node* CodeStubAssembler::name(Node* a, Node* b) { \ | 125 Node* CodeStubAssembler::name(Node* a, Node* b) { \ |
116 return raw_assembler_->name(a, b); \ | 126 return raw_assembler_->name(a, b); \ |
117 } | 127 } |
118 CODE_STUB_ASSEMBLER_BINARY_OP_LIST(DEFINE_CODE_STUB_ASSEMBER_BINARY_OP) | 128 CODE_STUB_ASSEMBLER_BINARY_OP_LIST(DEFINE_CODE_STUB_ASSEMBER_BINARY_OP) |
119 #undef DEFINE_CODE_STUB_ASSEMBER_BINARY_OP | 129 #undef DEFINE_CODE_STUB_ASSEMBER_BINARY_OP |
120 | 130 |
| 131 Node* CodeStubAssembler::ChangeInt32ToInt64(Node* value) { |
| 132 return raw_assembler_->ChangeInt32ToInt64(value); |
| 133 } |
| 134 |
121 Node* CodeStubAssembler::WordShl(Node* value, int shift) { | 135 Node* CodeStubAssembler::WordShl(Node* value, int shift) { |
122 return raw_assembler_->WordShl(value, Int32Constant(shift)); | 136 return raw_assembler_->WordShl(value, Int32Constant(shift)); |
123 } | 137 } |
124 | 138 |
125 Node* CodeStubAssembler::WordIsSmi(Node* a) { | 139 Node* CodeStubAssembler::WordIsSmi(Node* a) { |
126 return WordEqual(raw_assembler_->WordAnd(a, Int32Constant(kSmiTagMask)), | 140 return WordEqual(raw_assembler_->WordAnd(a, Int32Constant(kSmiTagMask)), |
127 Int32Constant(0)); | 141 Int32Constant(0)); |
128 } | 142 } |
129 | 143 |
130 Node* CodeStubAssembler::LoadBufferObject(Node* buffer, int offset) { | 144 Node* CodeStubAssembler::LoadBufferObject(Node* buffer, int offset) { |
(...skipping 41 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
172 compiler::Node* roots_array_start = | 186 compiler::Node* roots_array_start = |
173 ExternalConstant(ExternalReference::roots_array_start(isolate())); | 187 ExternalConstant(ExternalReference::roots_array_start(isolate())); |
174 USE(roots_array_start); | 188 USE(roots_array_start); |
175 | 189 |
176 // TODO(danno): Implement thee root-access case where the root is not constant | 190 // TODO(danno): Implement thee root-access case where the root is not constant |
177 // and must be loaded from the root array. | 191 // and must be loaded from the root array. |
178 UNIMPLEMENTED(); | 192 UNIMPLEMENTED(); |
179 return nullptr; | 193 return nullptr; |
180 } | 194 } |
181 | 195 |
| 196 Node* CodeStubAssembler::Load(MachineType rep, Node* base) { |
| 197 return raw_assembler_->Load(rep, base); |
| 198 } |
| 199 |
| 200 Node* CodeStubAssembler::Load(MachineType rep, Node* base, Node* index) { |
| 201 return raw_assembler_->Load(rep, base, index); |
| 202 } |
| 203 |
| 204 Node* CodeStubAssembler::Store(MachineRepresentation rep, Node* base, |
| 205 Node* value) { |
| 206 return raw_assembler_->Store(rep, base, value, kFullWriteBarrier); |
| 207 } |
| 208 |
| 209 Node* CodeStubAssembler::Store(MachineRepresentation rep, Node* base, |
| 210 Node* index, Node* value) { |
| 211 return raw_assembler_->Store(rep, base, index, value, kFullWriteBarrier); |
| 212 } |
| 213 |
| 214 Node* CodeStubAssembler::StoreNoWriteBarrier(MachineRepresentation rep, |
| 215 Node* base, Node* value) { |
| 216 return raw_assembler_->Store(rep, base, value, kNoWriteBarrier); |
| 217 } |
| 218 |
| 219 Node* CodeStubAssembler::StoreNoWriteBarrier(MachineRepresentation rep, |
| 220 Node* base, Node* index, |
| 221 Node* value) { |
| 222 return raw_assembler_->Store(rep, base, index, value, kNoWriteBarrier); |
| 223 } |
| 224 |
| 225 Node* CodeStubAssembler::Projection(int index, Node* value) { |
| 226 return raw_assembler_->Projection(index, value); |
| 227 } |
| 228 |
182 Node* CodeStubAssembler::CallN(CallDescriptor* descriptor, Node* code_target, | 229 Node* CodeStubAssembler::CallN(CallDescriptor* descriptor, Node* code_target, |
183 Node** args) { | 230 Node** args) { |
184 return raw_assembler_->CallN(descriptor, code_target, args); | 231 CallPrologue(); |
| 232 Node* return_value = raw_assembler_->CallN(descriptor, code_target, args); |
| 233 CallEpilogue(); |
| 234 return return_value; |
185 } | 235 } |
186 | 236 |
187 | 237 |
188 Node* CodeStubAssembler::TailCallN(CallDescriptor* descriptor, | 238 Node* CodeStubAssembler::TailCallN(CallDescriptor* descriptor, |
189 Node* code_target, Node** args) { | 239 Node* code_target, Node** args) { |
190 return raw_assembler_->TailCallN(descriptor, code_target, args); | 240 return raw_assembler_->TailCallN(descriptor, code_target, args); |
191 } | 241 } |
192 | 242 |
| 243 Node* CodeStubAssembler::CallRuntime(Runtime::FunctionId function_id, |
| 244 Node* context) { |
| 245 CallPrologue(); |
| 246 Node* return_value = raw_assembler_->CallRuntime0(function_id, context); |
| 247 CallEpilogue(); |
| 248 return return_value; |
| 249 } |
193 | 250 |
194 Node* CodeStubAssembler::CallRuntime(Runtime::FunctionId function_id, | 251 Node* CodeStubAssembler::CallRuntime(Runtime::FunctionId function_id, |
195 Node* context, Node* arg1) { | 252 Node* context, Node* arg1) { |
196 return raw_assembler_->CallRuntime1(function_id, arg1, context); | 253 CallPrologue(); |
| 254 Node* return_value = raw_assembler_->CallRuntime1(function_id, arg1, context); |
| 255 CallEpilogue(); |
| 256 return return_value; |
197 } | 257 } |
198 | 258 |
199 | |
200 Node* CodeStubAssembler::CallRuntime(Runtime::FunctionId function_id, | 259 Node* CodeStubAssembler::CallRuntime(Runtime::FunctionId function_id, |
201 Node* context, Node* arg1, Node* arg2) { | 260 Node* context, Node* arg1, Node* arg2) { |
202 return raw_assembler_->CallRuntime2(function_id, arg1, arg2, context); | 261 CallPrologue(); |
| 262 Node* return_value = |
| 263 raw_assembler_->CallRuntime2(function_id, arg1, arg2, context); |
| 264 CallEpilogue(); |
| 265 return return_value; |
| 266 } |
| 267 |
| 268 Node* CodeStubAssembler::CallRuntime(Runtime::FunctionId function_id, |
| 269 Node* context, Node* arg1, Node* arg2, |
| 270 Node* arg3) { |
| 271 CallPrologue(); |
| 272 Node* return_value = |
| 273 raw_assembler_->CallRuntime3(function_id, arg1, arg2, arg3, context); |
| 274 CallEpilogue(); |
| 275 return return_value; |
| 276 } |
| 277 |
| 278 Node* CodeStubAssembler::CallRuntime(Runtime::FunctionId function_id, |
| 279 Node* context, Node* arg1, Node* arg2, |
| 280 Node* arg3, Node* arg4) { |
| 281 CallPrologue(); |
| 282 Node* return_value = raw_assembler_->CallRuntime4(function_id, arg1, arg2, |
| 283 arg3, arg4, context); |
| 284 CallEpilogue(); |
| 285 return return_value; |
203 } | 286 } |
204 | 287 |
205 Node* CodeStubAssembler::TailCallRuntime(Runtime::FunctionId function_id, | 288 Node* CodeStubAssembler::TailCallRuntime(Runtime::FunctionId function_id, |
206 Node* context, Node* arg1) { | 289 Node* context, Node* arg1) { |
207 return raw_assembler_->TailCallRuntime1(function_id, arg1, context); | 290 return raw_assembler_->TailCallRuntime1(function_id, arg1, context); |
208 } | 291 } |
209 | 292 |
210 Node* CodeStubAssembler::TailCallRuntime(Runtime::FunctionId function_id, | 293 Node* CodeStubAssembler::TailCallRuntime(Runtime::FunctionId function_id, |
211 Node* context, Node* arg1, | 294 Node* context, Node* arg1, |
212 Node* arg2) { | 295 Node* arg2) { |
213 return raw_assembler_->TailCallRuntime2(function_id, arg1, arg2, context); | 296 return raw_assembler_->TailCallRuntime2(function_id, arg1, arg2, context); |
214 } | 297 } |
215 | 298 |
216 Node* CodeStubAssembler::TailCallRuntime(Runtime::FunctionId function_id, | 299 Node* CodeStubAssembler::TailCallRuntime(Runtime::FunctionId function_id, |
217 Node* context, Node* arg1, Node* arg2, | 300 Node* context, Node* arg1, Node* arg2, |
218 Node* arg3) { | 301 Node* arg3) { |
219 return raw_assembler_->TailCallRuntime3(function_id, arg1, arg2, arg3, | 302 return raw_assembler_->TailCallRuntime3(function_id, arg1, arg2, arg3, |
220 context); | 303 context); |
221 } | 304 } |
222 | 305 |
223 Node* CodeStubAssembler::TailCallRuntime(Runtime::FunctionId function_id, | 306 Node* CodeStubAssembler::TailCallRuntime(Runtime::FunctionId function_id, |
224 Node* context, Node* arg1, Node* arg2, | 307 Node* context, Node* arg1, Node* arg2, |
225 Node* arg3, Node* arg4) { | 308 Node* arg3, Node* arg4) { |
226 return raw_assembler_->TailCallRuntime4(function_id, arg1, arg2, arg3, arg4, | 309 return raw_assembler_->TailCallRuntime4(function_id, arg1, arg2, arg3, arg4, |
227 context); | 310 context); |
228 } | 311 } |
229 | 312 |
| 313 Node* CodeStubAssembler::CallStub(const CallInterfaceDescriptor& descriptor, |
| 314 Node* target, Node* context, Node* arg1, |
| 315 size_t result_size) { |
| 316 CallDescriptor* call_descriptor = Linkage::GetStubCallDescriptor( |
| 317 isolate(), zone(), descriptor, descriptor.GetStackParameterCount(), |
| 318 CallDescriptor::kNoFlags, Operator::kNoProperties, |
| 319 MachineType::AnyTagged(), result_size); |
| 320 |
| 321 Node** args = zone()->NewArray<Node*>(2); |
| 322 args[0] = arg1; |
| 323 args[1] = context; |
| 324 |
| 325 return CallN(call_descriptor, target, args); |
| 326 } |
| 327 |
| 328 Node* CodeStubAssembler::CallStub(const CallInterfaceDescriptor& descriptor, |
| 329 Node* target, Node* context, Node* arg1, |
| 330 Node* arg2, size_t result_size) { |
| 331 CallDescriptor* call_descriptor = Linkage::GetStubCallDescriptor( |
| 332 isolate(), zone(), descriptor, descriptor.GetStackParameterCount(), |
| 333 CallDescriptor::kNoFlags, Operator::kNoProperties, |
| 334 MachineType::AnyTagged(), result_size); |
| 335 |
| 336 Node** args = zone()->NewArray<Node*>(3); |
| 337 args[0] = arg1; |
| 338 args[1] = arg2; |
| 339 args[2] = context; |
| 340 |
| 341 return CallN(call_descriptor, target, args); |
| 342 } |
| 343 |
| 344 Node* CodeStubAssembler::CallStub(const CallInterfaceDescriptor& descriptor, |
| 345 Node* target, Node* context, Node* arg1, |
| 346 Node* arg2, Node* arg3, size_t result_size) { |
| 347 CallDescriptor* call_descriptor = Linkage::GetStubCallDescriptor( |
| 348 isolate(), zone(), descriptor, descriptor.GetStackParameterCount(), |
| 349 CallDescriptor::kNoFlags, Operator::kNoProperties, |
| 350 MachineType::AnyTagged(), result_size); |
| 351 |
| 352 Node** args = zone()->NewArray<Node*>(4); |
| 353 args[0] = arg1; |
| 354 args[1] = arg2; |
| 355 args[2] = arg3; |
| 356 args[3] = context; |
| 357 |
| 358 return CallN(call_descriptor, target, args); |
| 359 } |
| 360 |
| 361 Node* CodeStubAssembler::CallStub(const CallInterfaceDescriptor& descriptor, |
| 362 Node* target, Node* context, Node* arg1, |
| 363 Node* arg2, Node* arg3, Node* arg4, |
| 364 size_t result_size) { |
| 365 CallDescriptor* call_descriptor = Linkage::GetStubCallDescriptor( |
| 366 isolate(), zone(), descriptor, descriptor.GetStackParameterCount(), |
| 367 CallDescriptor::kNoFlags, Operator::kNoProperties, |
| 368 MachineType::AnyTagged(), result_size); |
| 369 |
| 370 Node** args = zone()->NewArray<Node*>(5); |
| 371 args[0] = arg1; |
| 372 args[1] = arg2; |
| 373 args[2] = arg3; |
| 374 args[3] = arg4; |
| 375 args[4] = context; |
| 376 |
| 377 return CallN(call_descriptor, target, args); |
| 378 } |
| 379 |
| 380 Node* CodeStubAssembler::CallStub(const CallInterfaceDescriptor& descriptor, |
| 381 Node* target, Node* context, Node* arg1, |
| 382 Node* arg2, Node* arg3, Node* arg4, |
| 383 Node* arg5, size_t result_size) { |
| 384 CallDescriptor* call_descriptor = Linkage::GetStubCallDescriptor( |
| 385 isolate(), zone(), descriptor, descriptor.GetStackParameterCount(), |
| 386 CallDescriptor::kNoFlags, Operator::kNoProperties, |
| 387 MachineType::AnyTagged(), result_size); |
| 388 |
| 389 Node** args = zone()->NewArray<Node*>(6); |
| 390 args[0] = arg1; |
| 391 args[1] = arg2; |
| 392 args[2] = arg3; |
| 393 args[3] = arg4; |
| 394 args[4] = arg5; |
| 395 args[5] = context; |
| 396 |
| 397 return CallN(call_descriptor, target, args); |
| 398 } |
| 399 |
230 Node* CodeStubAssembler::TailCallStub(CodeStub& stub, Node** args) { | 400 Node* CodeStubAssembler::TailCallStub(CodeStub& stub, Node** args) { |
231 Node* code_target = HeapConstant(stub.GetCode()); | 401 Node* code_target = HeapConstant(stub.GetCode()); |
232 CallDescriptor* descriptor = Linkage::GetStubCallDescriptor( | 402 CallDescriptor* descriptor = Linkage::GetStubCallDescriptor( |
233 isolate(), zone(), stub.GetCallInterfaceDescriptor(), | 403 isolate(), zone(), stub.GetCallInterfaceDescriptor(), |
234 stub.GetStackParameterCount(), CallDescriptor::kSupportsTailCalls); | 404 stub.GetStackParameterCount(), CallDescriptor::kSupportsTailCalls); |
235 return raw_assembler_->TailCallN(descriptor, code_target, args); | 405 return raw_assembler_->TailCallN(descriptor, code_target, args); |
236 } | 406 } |
237 | 407 |
238 Node* CodeStubAssembler::TailCall( | 408 Node* CodeStubAssembler::TailCall( |
239 const CallInterfaceDescriptor& interface_descriptor, Node* code_target, | 409 const CallInterfaceDescriptor& interface_descriptor, Node* code_target, |
240 Node** args) { | 410 Node** args, size_t result_size) { |
241 CallDescriptor* descriptor = Linkage::GetStubCallDescriptor( | 411 CallDescriptor* descriptor = Linkage::GetStubCallDescriptor( |
242 isolate(), zone(), interface_descriptor, | 412 isolate(), zone(), interface_descriptor, |
243 interface_descriptor.GetStackParameterCount(), | 413 interface_descriptor.GetStackParameterCount(), |
244 CallDescriptor::kSupportsTailCalls); | 414 CallDescriptor::kSupportsTailCalls, Operator::kNoProperties, |
| 415 MachineType::AnyTagged(), result_size); |
245 return raw_assembler_->TailCallN(descriptor, code_target, args); | 416 return raw_assembler_->TailCallN(descriptor, code_target, args); |
246 } | 417 } |
247 | 418 |
248 void CodeStubAssembler::Goto(CodeStubAssembler::Label* label) { | 419 void CodeStubAssembler::Goto(CodeStubAssembler::Label* label) { |
249 label->MergeVariables(); | 420 label->MergeVariables(); |
250 raw_assembler_->Goto(label->label_); | 421 raw_assembler_->Goto(label->label_); |
251 } | 422 } |
252 | 423 |
253 void CodeStubAssembler::Branch(Node* condition, | 424 void CodeStubAssembler::Branch(Node* condition, |
254 CodeStubAssembler::Label* true_label, | 425 CodeStubAssembler::Label* true_label, |
(...skipping 15 matching lines...) Expand all Loading... |
270 case_labels[i]->MergeVariables(); | 441 case_labels[i]->MergeVariables(); |
271 default_label->MergeVariables(); | 442 default_label->MergeVariables(); |
272 } | 443 } |
273 return raw_assembler_->Switch(index, default_label->label_, case_values, | 444 return raw_assembler_->Switch(index, default_label->label_, case_values, |
274 labels, case_count); | 445 labels, case_count); |
275 } | 446 } |
276 | 447 |
277 // RawMachineAssembler delegate helpers: | 448 // RawMachineAssembler delegate helpers: |
278 Isolate* CodeStubAssembler::isolate() { return raw_assembler_->isolate(); } | 449 Isolate* CodeStubAssembler::isolate() { return raw_assembler_->isolate(); } |
279 | 450 |
280 | |
281 Graph* CodeStubAssembler::graph() { return raw_assembler_->graph(); } | 451 Graph* CodeStubAssembler::graph() { return raw_assembler_->graph(); } |
282 | 452 |
283 | |
284 Zone* CodeStubAssembler::zone() { return raw_assembler_->zone(); } | 453 Zone* CodeStubAssembler::zone() { return raw_assembler_->zone(); } |
285 | 454 |
286 // The core implementation of Variable is stored through an indirection so | 455 // The core implementation of Variable is stored through an indirection so |
287 // that it can outlive the often block-scoped Variable declarations. This is | 456 // that it can outlive the often block-scoped Variable declarations. This is |
288 // needed to ensure that variable binding and merging through phis can | 457 // needed to ensure that variable binding and merging through phis can |
289 // properly be verified. | 458 // properly be verified. |
290 class CodeStubAssembler::Variable::Impl : public ZoneObject { | 459 class CodeStubAssembler::Variable::Impl : public ZoneObject { |
291 public: | 460 public: |
292 explicit Impl(MachineRepresentation rep) : value_(nullptr), rep_(rep) {} | 461 explicit Impl(MachineRepresentation rep) : value_(nullptr), rep_(rep) {} |
293 Node* value_; | 462 Node* value_; |
(...skipping 139 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
433 } | 602 } |
434 } | 603 } |
435 } | 604 } |
436 | 605 |
437 bound_ = true; | 606 bound_ = true; |
438 } | 607 } |
439 | 608 |
440 } // namespace compiler | 609 } // namespace compiler |
441 } // namespace internal | 610 } // namespace internal |
442 } // namespace v8 | 611 } // namespace v8 |
OLD | NEW |