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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/interpreter/interpreter-intrinsics.h" | 5 #include "src/interpreter/interpreter-intrinsics.h" |
6 | 6 |
7 #include "src/code-factory.h" | 7 #include "src/code-factory.h" |
8 | 8 |
9 namespace v8 { | 9 namespace v8 { |
10 namespace internal { | 10 namespace internal { |
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291 TailCallMode::kDisallow); | 291 TailCallMode::kDisallow); |
292 return result; | 292 return result; |
293 } | 293 } |
294 | 294 |
295 Node* IntrinsicsHelper::ClassOf(Node* args_reg, Node* arg_count, | 295 Node* IntrinsicsHelper::ClassOf(Node* args_reg, Node* arg_count, |
296 Node* context) { | 296 Node* context) { |
297 Node* value = __ LoadRegister(args_reg); | 297 Node* value = __ LoadRegister(args_reg); |
298 return __ ClassOf(value); | 298 return __ ClassOf(value); |
299 } | 299 } |
300 | 300 |
| 301 Node* IntrinsicsHelper::CreateAsyncFromSyncIterator(Node* args_reg, |
| 302 Node* arg_count, |
| 303 Node* context) { |
| 304 InterpreterAssembler::Label not_receiver( |
| 305 assembler_, InterpreterAssembler::Label::kDeferred); |
| 306 InterpreterAssembler::Label done(assembler_); |
| 307 InterpreterAssembler::Variable return_value(assembler_, |
| 308 MachineRepresentation::kTagged); |
| 309 |
| 310 Node* sync_iterator = __ LoadRegister(args_reg); |
| 311 |
| 312 __ GotoIf(__ TaggedIsSmi(sync_iterator), ¬_receiver); |
| 313 __ GotoUnless(__ IsJSReceiver(sync_iterator), ¬_receiver); |
| 314 |
| 315 Node* const native_context = __ LoadNativeContext(context); |
| 316 Node* const map = __ LoadContextElement( |
| 317 native_context, Context::ASYNC_FROM_SYNC_ITERATOR_MAP_INDEX); |
| 318 Node* const iterator = __ AllocateJSObjectFromMap(map); |
| 319 |
| 320 __ StoreObjectFieldNoWriteBarrier( |
| 321 iterator, JSAsyncFromSyncIterator::kSyncIteratorOffset, sync_iterator); |
| 322 |
| 323 return_value.Bind(iterator); |
| 324 __ Goto(&done); |
| 325 |
| 326 __ Bind(¬_receiver); |
| 327 { |
| 328 return_value.Bind( |
| 329 __ CallRuntime(Runtime::kThrowSymbolIteratorInvalid, context)); |
| 330 __ Goto(&done); |
| 331 } |
| 332 |
| 333 __ Bind(&done); |
| 334 return return_value.value(); |
| 335 } |
| 336 |
301 void IntrinsicsHelper::AbortIfArgCountMismatch(int expected, Node* actual) { | 337 void IntrinsicsHelper::AbortIfArgCountMismatch(int expected, Node* actual) { |
302 InterpreterAssembler::Label match(assembler_); | 338 InterpreterAssembler::Label match(assembler_); |
303 Node* comparison = __ Word32Equal(actual, __ Int32Constant(expected)); | 339 Node* comparison = __ Word32Equal(actual, __ Int32Constant(expected)); |
304 __ GotoIf(comparison, &match); | 340 __ GotoIf(comparison, &match); |
305 __ Abort(kWrongArgumentCountForInvokeIntrinsic); | 341 __ Abort(kWrongArgumentCountForInvokeIntrinsic); |
306 __ Goto(&match); | 342 __ Goto(&match); |
307 __ Bind(&match); | 343 __ Bind(&match); |
308 } | 344 } |
309 | 345 |
310 } // namespace interpreter | 346 } // namespace interpreter |
311 } // namespace internal | 347 } // namespace internal |
312 } // namespace v8 | 348 } // namespace v8 |
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