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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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_ARM_LITHIUM_CODEGEN_ARM_H_ | 5 #ifndef V8_ARM_LITHIUM_CODEGEN_ARM_H_ |
6 #define V8_ARM_LITHIUM_CODEGEN_ARM_H_ | 6 #define V8_ARM_LITHIUM_CODEGEN_ARM_H_ |
7 | 7 |
8 #include "src/arm/lithium-arm.h" | 8 #include "src/arm/lithium-arm.h" |
9 | 9 |
10 #include "src/arm/lithium-gap-resolver-arm.h" | 10 #include "src/arm/lithium-gap-resolver-arm.h" |
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79 DwVfpRegister dbl_scratch); | 79 DwVfpRegister dbl_scratch); |
80 int32_t ToRepresentation(LConstantOperand* op, const Representation& r) const; | 80 int32_t ToRepresentation(LConstantOperand* op, const Representation& r) const; |
81 int32_t ToInteger32(LConstantOperand* op) const; | 81 int32_t ToInteger32(LConstantOperand* op) const; |
82 Smi* ToSmi(LConstantOperand* op) const; | 82 Smi* ToSmi(LConstantOperand* op) const; |
83 double ToDouble(LConstantOperand* op) const; | 83 double ToDouble(LConstantOperand* op) const; |
84 Operand ToOperand(LOperand* op); | 84 Operand ToOperand(LOperand* op); |
85 MemOperand ToMemOperand(LOperand* op) const; | 85 MemOperand ToMemOperand(LOperand* op) const; |
86 // Returns a MemOperand pointing to the high word of a DoubleStackSlot. | 86 // Returns a MemOperand pointing to the high word of a DoubleStackSlot. |
87 MemOperand ToHighMemOperand(LOperand* op) const; | 87 MemOperand ToHighMemOperand(LOperand* op) const; |
88 | 88 |
89 template<class LI> | |
90 Operand ToShiftedRightOperand(LOperand* right, LI* shift_info); | |
91 | |
92 int JSShiftAmountFromLConstant(LOperand* constant) { | |
93 return ToInteger32(LConstantOperand::cast(constant)) & 0x1f; | |
94 } | |
95 | |
96 bool IsInteger32(LConstantOperand* op) const; | 89 bool IsInteger32(LConstantOperand* op) const; |
97 bool IsSmi(LConstantOperand* op) const; | 90 bool IsSmi(LConstantOperand* op) const; |
98 Handle<Object> ToHandle(LConstantOperand* op) const; | 91 Handle<Object> ToHandle(LConstantOperand* op) const; |
99 | 92 |
100 // Try to generate code for the entire chunk, but it may fail if the | 93 // Try to generate code for the entire chunk, but it may fail if the |
101 // chunk contains constructs we cannot handle. Returns true if the | 94 // chunk contains constructs we cannot handle. Returns true if the |
102 // code generation attempt succeeded. | 95 // code generation attempt succeeded. |
103 bool GenerateCode(); | 96 bool GenerateCode(); |
104 | 97 |
105 // Finish the code by setting stack height, safepoint, and bailout | 98 // Finish the code by setting stack height, safepoint, and bailout |
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435 LCodeGen* codegen_; | 428 LCodeGen* codegen_; |
436 Label entry_; | 429 Label entry_; |
437 Label exit_; | 430 Label exit_; |
438 Label* external_exit_; | 431 Label* external_exit_; |
439 int instruction_index_; | 432 int instruction_index_; |
440 }; | 433 }; |
441 | 434 |
442 } } // namespace v8::internal | 435 } } // namespace v8::internal |
443 | 436 |
444 #endif // V8_ARM_LITHIUM_CODEGEN_ARM_H_ | 437 #endif // V8_ARM_LITHIUM_CODEGEN_ARM_H_ |
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