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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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/base/adapters.h" | 5 #include "src/base/adapters.h" |
6 #include "src/compiler/instruction-selector-impl.h" | 6 #include "src/compiler/instruction-selector-impl.h" |
7 #include "src/compiler/node-matchers.h" | 7 #include "src/compiler/node-matchers.h" |
8 #include "src/compiler/node-properties.h" | 8 #include "src/compiler/node-properties.h" |
9 | 9 |
10 namespace v8 { | 10 namespace v8 { |
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537 | 537 |
538 void InstructionSelector::VisitWord32Shr(Node* node) { | 538 void InstructionSelector::VisitWord32Shr(Node* node) { |
539 VisitShift(this, node, kX87Shr); | 539 VisitShift(this, node, kX87Shr); |
540 } | 540 } |
541 | 541 |
542 | 542 |
543 void InstructionSelector::VisitWord32Sar(Node* node) { | 543 void InstructionSelector::VisitWord32Sar(Node* node) { |
544 VisitShift(this, node, kX87Sar); | 544 VisitShift(this, node, kX87Sar); |
545 } | 545 } |
546 | 546 |
547 void InstructionSelector::VisitInt32PairAdd(Node* node) { UNIMPLEMENTED(); } | 547 void InstructionSelector::VisitInt32PairAdd(Node* node) { |
| 548 X87OperandGenerator g(this); |
| 549 |
| 550 // We use UseUniqueRegister here to avoid register sharing with the temp |
| 551 // register. |
| 552 InstructionOperand inputs[] = { |
| 553 g.UseRegister(node->InputAt(0)), g.UseUniqueRegister(node->InputAt(1)), |
| 554 g.UseRegister(node->InputAt(2)), g.UseUniqueRegister(node->InputAt(3))}; |
| 555 |
| 556 InstructionOperand outputs[] = { |
| 557 g.DefineSameAsFirst(node), |
| 558 g.DefineAsRegister(NodeProperties::FindProjection(node, 1))}; |
| 559 |
| 560 InstructionOperand temps[] = {g.TempRegister()}; |
| 561 |
| 562 Emit(kX87AddPair, 2, outputs, 4, inputs, 1, temps); |
| 563 } |
548 | 564 |
549 void InstructionSelector::VisitWord32PairShl(Node* node) { | 565 void InstructionSelector::VisitWord32PairShl(Node* node) { |
550 X87OperandGenerator g(this); | 566 X87OperandGenerator g(this); |
551 | 567 |
552 Node* shift = node->InputAt(2); | 568 Node* shift = node->InputAt(2); |
553 InstructionOperand shift_operand; | 569 InstructionOperand shift_operand; |
554 if (g.CanBeImmediate(shift)) { | 570 if (g.CanBeImmediate(shift)) { |
555 shift_operand = g.UseImmediate(shift); | 571 shift_operand = g.UseImmediate(shift); |
556 } else { | 572 } else { |
557 shift_operand = g.UseFixed(shift, ecx); | 573 shift_operand = g.UseFixed(shift, ecx); |
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1529 MachineOperatorBuilder::kFloat32RoundTruncate | | 1545 MachineOperatorBuilder::kFloat32RoundTruncate | |
1530 MachineOperatorBuilder::kFloat64RoundTruncate | | 1546 MachineOperatorBuilder::kFloat64RoundTruncate | |
1531 MachineOperatorBuilder::kFloat32RoundTiesEven | | 1547 MachineOperatorBuilder::kFloat32RoundTiesEven | |
1532 MachineOperatorBuilder::kFloat64RoundTiesEven; | 1548 MachineOperatorBuilder::kFloat64RoundTiesEven; |
1533 return flags; | 1549 return flags; |
1534 } | 1550 } |
1535 | 1551 |
1536 } // namespace compiler | 1552 } // namespace compiler |
1537 } // namespace internal | 1553 } // namespace internal |
1538 } // namespace v8 | 1554 } // namespace v8 |
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