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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/bits.h" | 5 #include "src/base/bits.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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574 Emit(kMips64CvtSD, g.DefineAsRegister(node), g.UseRegister(node->InputAt(0))); | 574 Emit(kMips64CvtSD, g.DefineAsRegister(node), g.UseRegister(node->InputAt(0))); |
575 } | 575 } |
576 | 576 |
577 | 577 |
578 void InstructionSelector::VisitFloat64Add(Node* node) { | 578 void InstructionSelector::VisitFloat64Add(Node* node) { |
579 VisitRRR(this, kMips64AddD, node); | 579 VisitRRR(this, kMips64AddD, node); |
580 } | 580 } |
581 | 581 |
582 | 582 |
583 void InstructionSelector::VisitFloat64Sub(Node* node) { | 583 void InstructionSelector::VisitFloat64Sub(Node* node) { |
| 584 Mips64OperandGenerator g(this); |
| 585 Float64BinopMatcher m(node); |
| 586 if (m.left().IsMinusZero() && m.right().IsFloat64RoundDown() && |
| 587 CanCover(m.node(), m.right().node())) { |
| 588 if (m.right().InputAt(0)->opcode() == IrOpcode::kFloat64Sub && |
| 589 CanCover(m.right().node(), m.right().InputAt(0))) { |
| 590 Float64BinopMatcher mright0(m.right().InputAt(0)); |
| 591 if (mright0.left().IsMinusZero()) { |
| 592 Emit(kMips64Float64RoundUp, g.DefineAsRegister(node), |
| 593 g.UseRegister(mright0.right().node())); |
| 594 return; |
| 595 } |
| 596 } |
| 597 } |
584 VisitRRR(this, kMips64SubD, node); | 598 VisitRRR(this, kMips64SubD, node); |
585 } | 599 } |
586 | 600 |
587 | 601 |
588 void InstructionSelector::VisitFloat64Mul(Node* node) { | 602 void InstructionSelector::VisitFloat64Mul(Node* node) { |
589 VisitRRR(this, kMips64MulD, node); | 603 VisitRRR(this, kMips64MulD, node); |
590 } | 604 } |
591 | 605 |
592 | 606 |
593 void InstructionSelector::VisitFloat64Div(Node* node) { | 607 void InstructionSelector::VisitFloat64Div(Node* node) { |
594 VisitRRR(this, kMips64DivD, node); | 608 VisitRRR(this, kMips64DivD, node); |
595 } | 609 } |
596 | 610 |
597 | 611 |
598 void InstructionSelector::VisitFloat64Mod(Node* node) { | 612 void InstructionSelector::VisitFloat64Mod(Node* node) { |
599 Mips64OperandGenerator g(this); | 613 Mips64OperandGenerator g(this); |
600 Emit(kMips64ModD, g.DefineAsFixed(node, f0), | 614 Emit(kMips64ModD, g.DefineAsFixed(node, f0), |
601 g.UseFixed(node->InputAt(0), f12), | 615 g.UseFixed(node->InputAt(0), f12), |
602 g.UseFixed(node->InputAt(1), f14))->MarkAsCall(); | 616 g.UseFixed(node->InputAt(1), f14))->MarkAsCall(); |
603 } | 617 } |
604 | 618 |
605 | 619 |
606 void InstructionSelector::VisitFloat64Sqrt(Node* node) { | 620 void InstructionSelector::VisitFloat64Sqrt(Node* node) { |
607 Mips64OperandGenerator g(this); | 621 Mips64OperandGenerator g(this); |
608 Emit(kMips64SqrtD, g.DefineAsRegister(node), g.UseRegister(node->InputAt(0))); | 622 Emit(kMips64SqrtD, g.DefineAsRegister(node), g.UseRegister(node->InputAt(0))); |
609 } | 623 } |
610 | 624 |
611 | 625 |
612 void InstructionSelector::VisitFloat64Floor(Node* node) { | 626 void InstructionSelector::VisitFloat64RoundDown(Node* node) { |
613 VisitRR(this, kMips64Float64Floor, node); | 627 VisitRR(this, kMips64Float64RoundDown, node); |
614 } | 628 } |
615 | 629 |
616 | 630 |
617 void InstructionSelector::VisitFloat64Ceil(Node* node) { | |
618 VisitRR(this, kMips64Float64Ceil, node); | |
619 } | |
620 | |
621 | |
622 void InstructionSelector::VisitFloat64RoundTruncate(Node* node) { | 631 void InstructionSelector::VisitFloat64RoundTruncate(Node* node) { |
623 VisitRR(this, kMips64Float64RoundTruncate, node); | 632 VisitRR(this, kMips64Float64RoundTruncate, node); |
624 } | 633 } |
625 | 634 |
626 | 635 |
627 void InstructionSelector::VisitFloat64RoundTiesAway(Node* node) { | 636 void InstructionSelector::VisitFloat64RoundTiesAway(Node* node) { |
628 UNREACHABLE(); | 637 UNREACHABLE(); |
629 } | 638 } |
630 | 639 |
631 | 640 |
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1165 Node* left = node->InputAt(0); | 1174 Node* left = node->InputAt(0); |
1166 Node* right = node->InputAt(1); | 1175 Node* right = node->InputAt(1); |
1167 Emit(kMips64FmoveHighDUw, g.DefineSameAsFirst(node), g.UseRegister(left), | 1176 Emit(kMips64FmoveHighDUw, g.DefineSameAsFirst(node), g.UseRegister(left), |
1168 g.UseRegister(right)); | 1177 g.UseRegister(right)); |
1169 } | 1178 } |
1170 | 1179 |
1171 | 1180 |
1172 // static | 1181 // static |
1173 MachineOperatorBuilder::Flags | 1182 MachineOperatorBuilder::Flags |
1174 InstructionSelector::SupportedMachineOperatorFlags() { | 1183 InstructionSelector::SupportedMachineOperatorFlags() { |
1175 return MachineOperatorBuilder::kFloat64Floor | | 1184 return MachineOperatorBuilder::kFloat64RoundDown | |
1176 MachineOperatorBuilder::kFloat64Ceil | | |
1177 MachineOperatorBuilder::kFloat64RoundTruncate; | 1185 MachineOperatorBuilder::kFloat64RoundTruncate; |
1178 } | 1186 } |
1179 | 1187 |
1180 } // namespace compiler | 1188 } // namespace compiler |
1181 } // namespace internal | 1189 } // namespace internal |
1182 } // namespace v8 | 1190 } // namespace v8 |
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