OLD | NEW |
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 { |
(...skipping 1759 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1770 addressing_mode = kMode_MRI; | 1770 addressing_mode = kMode_MRI; |
1771 } else { | 1771 } else { |
1772 inputs[input_count++] = g.UseUniqueRegister(index); | 1772 inputs[input_count++] = g.UseUniqueRegister(index); |
1773 addressing_mode = kMode_MR1; | 1773 addressing_mode = kMode_MR1; |
1774 } | 1774 } |
1775 outputs[0] = g.DefineSameAsFirst(node); | 1775 outputs[0] = g.DefineSameAsFirst(node); |
1776 InstructionCode code = opcode | AddressingModeField::encode(addressing_mode); | 1776 InstructionCode code = opcode | AddressingModeField::encode(addressing_mode); |
1777 Emit(code, 1, outputs, input_count, inputs); | 1777 Emit(code, 1, outputs, input_count, inputs); |
1778 } | 1778 } |
1779 | 1779 |
| 1780 void InstructionSelector::VisitAtomicCompareExchange(Node* node) { |
| 1781 IA32OperandGenerator g(this); |
| 1782 Node* base = node->InputAt(0); |
| 1783 Node* index = node->InputAt(1); |
| 1784 Node* old_value = node->InputAt(2); |
| 1785 Node* new_value = node->InputAt(3); |
| 1786 |
| 1787 MachineType type = AtomicCompareExchangeRepresentationOf(node->op()); |
| 1788 ArchOpcode opcode = kArchNop; |
| 1789 if (type == MachineType::Int8()) { |
| 1790 opcode = kAtomicCompareExchangeInt8; |
| 1791 } else if (type == MachineType::Uint8()) { |
| 1792 opcode = kAtomicCompareExchangeUint8; |
| 1793 } else if (type == MachineType::Int16()) { |
| 1794 opcode = kAtomicCompareExchangeInt16; |
| 1795 } else if (type == MachineType::Uint16()) { |
| 1796 opcode = kAtomicCompareExchangeUint16; |
| 1797 } else if (type == MachineType::Int32() || type == MachineType::Uint32()) { |
| 1798 opcode = kAtomicCompareExchangeWord32; |
| 1799 } else { |
| 1800 UNREACHABLE(); |
| 1801 return; |
| 1802 } |
| 1803 InstructionOperand outputs[1]; |
| 1804 AddressingMode addressing_mode; |
| 1805 InstructionOperand inputs[4]; |
| 1806 size_t input_count = 0; |
| 1807 inputs[input_count++] = g.UseFixed(old_value, eax); |
| 1808 inputs[input_count++] = g.UseUniqueRegister(new_value); |
| 1809 inputs[input_count++] = g.UseUniqueRegister(base); |
| 1810 if (g.CanBeImmediate(index)) { |
| 1811 inputs[input_count++] = g.UseImmediate(index); |
| 1812 addressing_mode = kMode_MRI; |
| 1813 } else { |
| 1814 inputs[input_count++] = g.UseUniqueRegister(index); |
| 1815 addressing_mode = kMode_MR1; |
| 1816 } |
| 1817 outputs[0] = g.DefineAsFixed(node, eax); |
| 1818 InstructionCode code = opcode | AddressingModeField::encode(addressing_mode); |
| 1819 Emit(code, 1, outputs, input_count, inputs); |
| 1820 } |
| 1821 |
1780 void InstructionSelector::VisitInt32x4Splat(Node* node) { | 1822 void InstructionSelector::VisitInt32x4Splat(Node* node) { |
1781 VisitRO(this, node, kIA32Int32x4Splat); | 1823 VisitRO(this, node, kIA32Int32x4Splat); |
1782 } | 1824 } |
1783 | 1825 |
1784 void InstructionSelector::VisitInt32x4ExtractLane(Node* node) { | 1826 void InstructionSelector::VisitInt32x4ExtractLane(Node* node) { |
1785 IA32OperandGenerator g(this); | 1827 IA32OperandGenerator g(this); |
1786 int32_t lane = OpParameter<int32_t>(node); | 1828 int32_t lane = OpParameter<int32_t>(node); |
1787 Emit(kIA32Int32x4ExtractLane, g.DefineAsRegister(node), | 1829 Emit(kIA32Int32x4ExtractLane, g.DefineAsRegister(node), |
1788 g.UseRegister(node->InputAt(0)), g.UseImmediate(lane)); | 1830 g.UseRegister(node->InputAt(0)), g.UseImmediate(lane)); |
1789 } | 1831 } |
(...skipping 31 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1821 // static | 1863 // static |
1822 MachineOperatorBuilder::AlignmentRequirements | 1864 MachineOperatorBuilder::AlignmentRequirements |
1823 InstructionSelector::AlignmentRequirements() { | 1865 InstructionSelector::AlignmentRequirements() { |
1824 return MachineOperatorBuilder::AlignmentRequirements:: | 1866 return MachineOperatorBuilder::AlignmentRequirements:: |
1825 FullUnalignedAccessSupport(); | 1867 FullUnalignedAccessSupport(); |
1826 } | 1868 } |
1827 | 1869 |
1828 } // namespace compiler | 1870 } // namespace compiler |
1829 } // namespace internal | 1871 } // namespace internal |
1830 } // namespace v8 | 1872 } // namespace v8 |
OLD | NEW |