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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 #ifndef V8_COMPILER_INSTRUCTION_SELECTOR_IMPL_H_ | 5 #ifndef V8_COMPILER_INSTRUCTION_SELECTOR_IMPL_H_ |
6 #define V8_COMPILER_INSTRUCTION_SELECTOR_IMPL_H_ | 6 #define V8_COMPILER_INSTRUCTION_SELECTOR_IMPL_H_ |
7 | 7 |
8 #include "src/compiler/instruction.h" | 8 #include "src/compiler/instruction.h" |
9 #include "src/compiler/instruction-selector.h" | 9 #include "src/compiler/instruction-selector.h" |
10 #include "src/compiler/linkage.h" | 10 #include "src/compiler/linkage.h" |
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47 return Define(node, | 47 return Define(node, |
48 UnallocatedOperand(UnallocatedOperand::SAME_AS_FIRST_INPUT, | 48 UnallocatedOperand(UnallocatedOperand::SAME_AS_FIRST_INPUT, |
49 GetVReg(node))); | 49 GetVReg(node))); |
50 } | 50 } |
51 | 51 |
52 InstructionOperand DefineAsFixed(Node* node, Register reg) { | 52 InstructionOperand DefineAsFixed(Node* node, Register reg) { |
53 return Define(node, UnallocatedOperand(UnallocatedOperand::FIXED_REGISTER, | 53 return Define(node, UnallocatedOperand(UnallocatedOperand::FIXED_REGISTER, |
54 reg.code(), GetVReg(node))); | 54 reg.code(), GetVReg(node))); |
55 } | 55 } |
56 | 56 |
57 InstructionOperand DefineAsFixed(Node* node, DoubleRegister reg) { | 57 template <typename FPRegType> |
| 58 InstructionOperand DefineAsFixed(Node* node, FPRegType reg) { |
58 return Define(node, | 59 return Define(node, |
59 UnallocatedOperand(UnallocatedOperand::FIXED_DOUBLE_REGISTER, | 60 UnallocatedOperand(UnallocatedOperand::FIXED_FP_REGISTER, |
60 reg.code(), GetVReg(node))); | 61 reg.code(), GetVReg(node))); |
61 } | 62 } |
62 | 63 |
63 InstructionOperand DefineAsConstant(Node* node) { | 64 InstructionOperand DefineAsConstant(Node* node) { |
64 selector()->MarkAsDefined(node); | 65 selector()->MarkAsDefined(node); |
65 int virtual_register = GetVReg(node); | 66 int virtual_register = GetVReg(node); |
66 sequence()->AddConstant(virtual_register, ToConstant(node)); | 67 sequence()->AddConstant(virtual_register, ToConstant(node)); |
67 return ConstantOperand(virtual_register); | 68 return ConstantOperand(virtual_register); |
68 } | 69 } |
69 | 70 |
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115 InstructionOperand UseUniqueRegister(Node* node) { | 116 InstructionOperand UseUniqueRegister(Node* node) { |
116 return Use(node, UnallocatedOperand(UnallocatedOperand::MUST_HAVE_REGISTER, | 117 return Use(node, UnallocatedOperand(UnallocatedOperand::MUST_HAVE_REGISTER, |
117 GetVReg(node))); | 118 GetVReg(node))); |
118 } | 119 } |
119 | 120 |
120 InstructionOperand UseFixed(Node* node, Register reg) { | 121 InstructionOperand UseFixed(Node* node, Register reg) { |
121 return Use(node, UnallocatedOperand(UnallocatedOperand::FIXED_REGISTER, | 122 return Use(node, UnallocatedOperand(UnallocatedOperand::FIXED_REGISTER, |
122 reg.code(), GetVReg(node))); | 123 reg.code(), GetVReg(node))); |
123 } | 124 } |
124 | 125 |
125 InstructionOperand UseFixed(Node* node, DoubleRegister reg) { | 126 template <typename FPRegType> |
126 return Use(node, | 127 InstructionOperand UseFixed(Node* node, FPRegType reg) { |
127 UnallocatedOperand(UnallocatedOperand::FIXED_DOUBLE_REGISTER, | 128 return Use(node, UnallocatedOperand(UnallocatedOperand::FIXED_FP_REGISTER, |
128 reg.code(), GetVReg(node))); | 129 reg.code(), GetVReg(node))); |
129 } | 130 } |
130 | 131 |
131 InstructionOperand UseExplicit(LinkageLocation location) { | 132 InstructionOperand UseExplicit(LinkageLocation location) { |
132 MachineRepresentation rep = InstructionSequence::DefaultRepresentation(); | 133 MachineRepresentation rep = InstructionSequence::DefaultRepresentation(); |
133 if (location.IsRegister()) { | 134 if (location.IsRegister()) { |
134 return ExplicitOperand(LocationOperand::REGISTER, rep, | 135 return ExplicitOperand(LocationOperand::REGISTER, rep, |
135 location.AsRegister()); | 136 location.AsRegister()); |
136 } else { | 137 } else { |
137 return ExplicitOperand(LocationOperand::STACK_SLOT, rep, | 138 return ExplicitOperand(LocationOperand::STACK_SLOT, rep, |
138 location.GetLocation()); | 139 location.GetLocation()); |
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267 return UnallocatedOperand(UnallocatedOperand::FIXED_SLOT, | 268 return UnallocatedOperand(UnallocatedOperand::FIXED_SLOT, |
268 location.AsCallerFrameSlot(), virtual_register); | 269 location.AsCallerFrameSlot(), virtual_register); |
269 } | 270 } |
270 if (location.IsCalleeFrameSlot()) { | 271 if (location.IsCalleeFrameSlot()) { |
271 // a spill location on this (callee) frame. | 272 // a spill location on this (callee) frame. |
272 return UnallocatedOperand(UnallocatedOperand::FIXED_SLOT, | 273 return UnallocatedOperand(UnallocatedOperand::FIXED_SLOT, |
273 location.AsCalleeFrameSlot(), virtual_register); | 274 location.AsCalleeFrameSlot(), virtual_register); |
274 } | 275 } |
275 // a fixed register. | 276 // a fixed register. |
276 if (IsFloatingPoint(rep)) { | 277 if (IsFloatingPoint(rep)) { |
277 return UnallocatedOperand(UnallocatedOperand::FIXED_DOUBLE_REGISTER, | 278 return UnallocatedOperand(UnallocatedOperand::FIXED_FP_REGISTER, |
278 location.AsRegister(), virtual_register); | 279 location.AsRegister(), virtual_register); |
279 } | 280 } |
280 return UnallocatedOperand(UnallocatedOperand::FIXED_REGISTER, | 281 return UnallocatedOperand(UnallocatedOperand::FIXED_REGISTER, |
281 location.AsRegister(), virtual_register); | 282 location.AsRegister(), virtual_register); |
282 } | 283 } |
283 | 284 |
284 InstructionSelector* selector_; | 285 InstructionSelector* selector_; |
285 }; | 286 }; |
286 | 287 |
287 | 288 |
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382 // or mode_ == kFlags_set. | 383 // or mode_ == kFlags_set. |
383 BasicBlock* true_block_; // Only valid if mode_ == kFlags_branch. | 384 BasicBlock* true_block_; // Only valid if mode_ == kFlags_branch. |
384 BasicBlock* false_block_; // Only valid if mode_ == kFlags_branch. | 385 BasicBlock* false_block_; // Only valid if mode_ == kFlags_branch. |
385 }; | 386 }; |
386 | 387 |
387 } // namespace compiler | 388 } // namespace compiler |
388 } // namespace internal | 389 } // namespace internal |
389 } // namespace v8 | 390 } // namespace v8 |
390 | 391 |
391 #endif // V8_COMPILER_INSTRUCTION_SELECTOR_IMPL_H_ | 392 #endif // V8_COMPILER_INSTRUCTION_SELECTOR_IMPL_H_ |
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