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Issue 2201073002: [turbofan] Adds speculative operator for bitwise and, or and xor. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Handles kSigned32 feedback. Created 4 years, 4 months ago
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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/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"
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450 op = simplified()->CheckedFloat64ToInt32(); 450 op = simplified()->CheckedFloat64ToInt32();
451 } 451 }
452 } else if (output_rep == MachineRepresentation::kTagged) { 452 } else if (output_rep == MachineRepresentation::kTagged) {
453 if (output_type->Is(Type::TaggedSigned())) { 453 if (output_type->Is(Type::TaggedSigned())) {
454 op = simplified()->ChangeTaggedSignedToInt32(); 454 op = simplified()->ChangeTaggedSignedToInt32();
455 } else if (output_type->Is(Type::Unsigned32())) { 455 } else if (output_type->Is(Type::Unsigned32())) {
456 op = simplified()->ChangeTaggedToUint32(); 456 op = simplified()->ChangeTaggedToUint32();
457 } else if (output_type->Is(Type::Signed32())) { 457 } else if (output_type->Is(Type::Signed32())) {
458 op = simplified()->ChangeTaggedToInt32(); 458 op = simplified()->ChangeTaggedToInt32();
459 } else if (use_info.truncation().IsUsedAsWord32()) { 459 } else if (use_info.truncation().IsUsedAsWord32()) {
460 if (use_info.type_check() == TypeCheckKind::kNumberOrOddball) { 460 if (use_info.type_check() != TypeCheckKind::kNone) {
461 op = simplified()->CheckedTruncateTaggedToWord32(); 461 op = simplified()->CheckedTruncateTaggedToWord32();
462 } else { 462 } else {
463 op = simplified()->TruncateTaggedToWord32(); 463 op = simplified()->TruncateTaggedToWord32();
464 } 464 }
465 } else if (use_info.type_check() == TypeCheckKind::kSigned32) { 465 } else if (use_info.type_check() == TypeCheckKind::kSigned32) {
466 op = simplified()->CheckedTaggedToInt32(); 466 op = simplified()->CheckedTaggedToInt32();
467 } 467 }
468 } else if (output_rep == MachineRepresentation::kWord32) { 468 } else if (output_rep == MachineRepresentation::kWord32) {
469 // Only the checked case should get here, the non-checked case is 469 // Only the checked case should get here, the non-checked case is
470 // handled in GetRepresentationFor. 470 // handled in GetRepresentationFor.
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561 return machine()->Int32Sub(); 561 return machine()->Int32Sub();
562 case IrOpcode::kSpeculativeNumberMultiply: 562 case IrOpcode::kSpeculativeNumberMultiply:
563 case IrOpcode::kNumberMultiply: 563 case IrOpcode::kNumberMultiply:
564 return machine()->Int32Mul(); 564 return machine()->Int32Mul();
565 case IrOpcode::kSpeculativeNumberDivide: 565 case IrOpcode::kSpeculativeNumberDivide:
566 case IrOpcode::kNumberDivide: 566 case IrOpcode::kNumberDivide:
567 return machine()->Int32Div(); 567 return machine()->Int32Div();
568 case IrOpcode::kSpeculativeNumberModulus: 568 case IrOpcode::kSpeculativeNumberModulus:
569 case IrOpcode::kNumberModulus: 569 case IrOpcode::kNumberModulus:
570 return machine()->Int32Mod(); 570 return machine()->Int32Mod();
571 case IrOpcode::kSpeculativeNumberBitwiseOr: // Fall through.
571 case IrOpcode::kNumberBitwiseOr: 572 case IrOpcode::kNumberBitwiseOr:
572 return machine()->Word32Or(); 573 return machine()->Word32Or();
574 case IrOpcode::kSpeculativeNumberBitwiseXor: // Fall through.
573 case IrOpcode::kNumberBitwiseXor: 575 case IrOpcode::kNumberBitwiseXor:
574 return machine()->Word32Xor(); 576 return machine()->Word32Xor();
577 case IrOpcode::kSpeculativeNumberBitwiseAnd: // Fall through.
575 case IrOpcode::kNumberBitwiseAnd: 578 case IrOpcode::kNumberBitwiseAnd:
576 return machine()->Word32And(); 579 return machine()->Word32And();
577 case IrOpcode::kNumberEqual: 580 case IrOpcode::kNumberEqual:
578 case IrOpcode::kSpeculativeNumberEqual: 581 case IrOpcode::kSpeculativeNumberEqual:
579 return machine()->Word32Equal(); 582 return machine()->Word32Equal();
580 case IrOpcode::kNumberLessThan: 583 case IrOpcode::kNumberLessThan:
581 case IrOpcode::kSpeculativeNumberLessThan: 584 case IrOpcode::kSpeculativeNumberLessThan:
582 return machine()->Int32LessThan(); 585 return machine()->Int32LessThan();
583 case IrOpcode::kNumberLessThanOrEqual: 586 case IrOpcode::kNumberLessThanOrEqual:
584 case IrOpcode::kSpeculativeNumberLessThanOrEqual: 587 case IrOpcode::kSpeculativeNumberLessThanOrEqual:
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784 } 787 }
785 788
786 Node* RepresentationChanger::InsertChangeTaggedToFloat64(Node* node) { 789 Node* RepresentationChanger::InsertChangeTaggedToFloat64(Node* node) {
787 return jsgraph()->graph()->NewNode(simplified()->ChangeTaggedToFloat64(), 790 return jsgraph()->graph()->NewNode(simplified()->ChangeTaggedToFloat64(),
788 node); 791 node);
789 } 792 }
790 793
791 } // namespace compiler 794 } // namespace compiler
792 } // namespace internal 795 } // namespace internal
793 } // namespace v8 796 } // namespace v8
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