| 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/representation-change.h" | 5 #include "src/compiler/representation-change.h" |
| 6 | 6 |
| 7 #include <sstream> | 7 #include <sstream> |
| 8 | 8 |
| 9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
| 10 #include "src/code-factory.h" | 10 #include "src/code-factory.h" |
| (...skipping 308 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 319 // Either the output is uint32 or the uses only care about the | 319 // Either the output is uint32 or the uses only care about the |
| 320 // low 32 bits (so we can pick uint32 safely). | 320 // low 32 bits (so we can pick uint32 safely). |
| 321 op = simplified()->ChangeUint32ToTagged(); | 321 op = simplified()->ChangeUint32ToTagged(); |
| 322 } else { | 322 } else { |
| 323 return TypeError(node, output_rep, output_type, | 323 return TypeError(node, output_rep, output_type, |
| 324 MachineRepresentation::kTagged); | 324 MachineRepresentation::kTagged); |
| 325 } | 325 } |
| 326 } else if (output_rep == | 326 } else if (output_rep == |
| 327 MachineRepresentation::kFloat32) { // float32 -> float64 -> tagged | 327 MachineRepresentation::kFloat32) { // float32 -> float64 -> tagged |
| 328 node = InsertChangeFloat32ToFloat64(node); | 328 node = InsertChangeFloat32ToFloat64(node); |
| 329 op = simplified()->ChangeFloat64ToTagged(); | 329 op = simplified()->ChangeFloat64ToTagged( |
| 330 output_type->Maybe(Type::MinusZero()) |
| 331 ? CheckForMinusZeroMode::kCheckForMinusZero |
| 332 : CheckForMinusZeroMode::kDontCheckForMinusZero); |
| 330 } else if (output_rep == MachineRepresentation::kFloat64) { | 333 } else if (output_rep == MachineRepresentation::kFloat64) { |
| 331 if (output_type->Is(Type::Signed31())) { // float64 -> int32 -> tagged | 334 if (output_type->Is(Type::Signed31())) { // float64 -> int32 -> tagged |
| 332 node = InsertChangeFloat64ToInt32(node); | 335 node = InsertChangeFloat64ToInt32(node); |
| 333 op = simplified()->ChangeInt31ToTaggedSigned(); | 336 op = simplified()->ChangeInt31ToTaggedSigned(); |
| 334 } else if (output_type->Is( | 337 } else if (output_type->Is( |
| 335 Type::Signed32())) { // float64 -> int32 -> tagged | 338 Type::Signed32())) { // float64 -> int32 -> tagged |
| 336 node = InsertChangeFloat64ToInt32(node); | 339 node = InsertChangeFloat64ToInt32(node); |
| 337 op = simplified()->ChangeInt32ToTagged(); | 340 op = simplified()->ChangeInt32ToTagged(); |
| 338 } else if (output_type->Is( | 341 } else if (output_type->Is( |
| 339 Type::Unsigned32())) { // float64 -> uint32 -> tagged | 342 Type::Unsigned32())) { // float64 -> uint32 -> tagged |
| 340 node = InsertChangeFloat64ToUint32(node); | 343 node = InsertChangeFloat64ToUint32(node); |
| 341 op = simplified()->ChangeUint32ToTagged(); | 344 op = simplified()->ChangeUint32ToTagged(); |
| 342 } else { | 345 } else { |
| 343 op = simplified()->ChangeFloat64ToTagged(); | 346 op = simplified()->ChangeFloat64ToTagged( |
| 347 output_type->Maybe(Type::MinusZero()) |
| 348 ? CheckForMinusZeroMode::kCheckForMinusZero |
| 349 : CheckForMinusZeroMode::kDontCheckForMinusZero); |
| 344 } | 350 } |
| 345 } else { | 351 } else { |
| 346 return TypeError(node, output_rep, output_type, | 352 return TypeError(node, output_rep, output_type, |
| 347 MachineRepresentation::kTagged); | 353 MachineRepresentation::kTagged); |
| 348 } | 354 } |
| 349 return jsgraph()->graph()->NewNode(op, node); | 355 return jsgraph()->graph()->NewNode(op, node); |
| 350 } | 356 } |
| 351 | 357 |
| 352 | 358 |
| 353 Node* RepresentationChanger::GetFloat32RepresentationFor( | 359 Node* RepresentationChanger::GetFloat32RepresentationFor( |
| (...skipping 592 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 946 } | 952 } |
| 947 | 953 |
| 948 Node* RepresentationChanger::InsertChangeTaggedToFloat64(Node* node) { | 954 Node* RepresentationChanger::InsertChangeTaggedToFloat64(Node* node) { |
| 949 return jsgraph()->graph()->NewNode(simplified()->ChangeTaggedToFloat64(), | 955 return jsgraph()->graph()->NewNode(simplified()->ChangeTaggedToFloat64(), |
| 950 node); | 956 node); |
| 951 } | 957 } |
| 952 | 958 |
| 953 } // namespace compiler | 959 } // namespace compiler |
| 954 } // namespace internal | 960 } // namespace internal |
| 955 } // namespace v8 | 961 } // namespace v8 |
| OLD | NEW |