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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 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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108 bool IsX87TopOfStack(LOperand* op) const; | 108 bool IsX87TopOfStack(LOperand* op) const; |
109 | 109 |
110 bool IsInteger32(LConstantOperand* op) const; | 110 bool IsInteger32(LConstantOperand* op) const; |
111 bool IsSmi(LConstantOperand* op) const; | 111 bool IsSmi(LConstantOperand* op) const; |
112 Immediate ToInteger32Immediate(LOperand* op) const { | 112 Immediate ToInteger32Immediate(LOperand* op) const { |
113 return Immediate(ToInteger32(LConstantOperand::cast(op))); | 113 return Immediate(ToInteger32(LConstantOperand::cast(op))); |
114 } | 114 } |
115 Immediate ToSmiImmediate(LOperand* op) const { | 115 Immediate ToSmiImmediate(LOperand* op) const { |
116 return Immediate(Smi::FromInt(ToInteger32(LConstantOperand::cast(op)))); | 116 return Immediate(Smi::FromInt(ToInteger32(LConstantOperand::cast(op)))); |
117 } | 117 } |
118 double ToDouble(LConstantOperand* op) const; | |
119 | 118 |
120 // Support for non-sse2 (x87) floating point stack handling. | 119 // Support for non-sse2 (x87) floating point stack handling. |
121 // These functions maintain the depth of the stack (either 0 or 1) | 120 // These functions maintain the depth of the stack (either 0 or 1) |
122 void PushX87DoubleOperand(Operand src); | 121 void PushX87DoubleOperand(Operand src); |
123 void PushX87FloatOperand(Operand src); | 122 void PushX87FloatOperand(Operand src); |
124 void ReadX87Operand(Operand dst); | 123 void ReadX87Operand(Operand dst); |
125 bool X87StackNonEmpty() const { return x87_stack_depth_ > 0; } | 124 bool X87StackNonEmpty() const { return x87_stack_depth_ > 0; } |
126 void PopX87(); | 125 void PopX87(); |
127 void CurrentInstructionReturnsX87Result(); | 126 void CurrentInstructionReturnsX87Result(); |
128 void FlushX87StackIfNecessary(LInstruction* instr); | 127 void FlushX87StackIfNecessary(LInstruction* instr); |
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287 void RegisterDependentCodeForEmbeddedMaps(Handle<Code> code); | 286 void RegisterDependentCodeForEmbeddedMaps(Handle<Code> code); |
288 void PopulateDeoptimizationData(Handle<Code> code); | 287 void PopulateDeoptimizationData(Handle<Code> code); |
289 int DefineDeoptimizationLiteral(Handle<Object> literal); | 288 int DefineDeoptimizationLiteral(Handle<Object> literal); |
290 | 289 |
291 void PopulateDeoptimizationLiteralsWithInlinedFunctions(); | 290 void PopulateDeoptimizationLiteralsWithInlinedFunctions(); |
292 | 291 |
293 Register ToRegister(int index) const; | 292 Register ToRegister(int index) const; |
294 XMMRegister ToDoubleRegister(int index) const; | 293 XMMRegister ToDoubleRegister(int index) const; |
295 int ToInteger32(LConstantOperand* op) const; | 294 int ToInteger32(LConstantOperand* op) const; |
296 | 295 |
| 296 double ToDouble(LConstantOperand* op) const; |
297 Operand BuildFastArrayOperand(LOperand* elements_pointer, | 297 Operand BuildFastArrayOperand(LOperand* elements_pointer, |
298 LOperand* key, | 298 LOperand* key, |
299 Representation key_representation, | 299 Representation key_representation, |
300 ElementsKind elements_kind, | 300 ElementsKind elements_kind, |
301 uint32_t offset, | 301 uint32_t offset, |
302 uint32_t additional_index = 0); | 302 uint32_t additional_index = 0); |
303 | 303 |
304 void EmitIntegerMathAbs(LMathAbs* instr); | 304 void EmitIntegerMathAbs(LMathAbs* instr); |
305 | 305 |
306 // Support for recording safepoint and position information. | 306 // Support for recording safepoint and position information. |
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477 LCodeGen* codegen_; | 477 LCodeGen* codegen_; |
478 Label entry_; | 478 Label entry_; |
479 Label exit_; | 479 Label exit_; |
480 Label* external_exit_; | 480 Label* external_exit_; |
481 int instruction_index_; | 481 int instruction_index_; |
482 }; | 482 }; |
483 | 483 |
484 } } // namespace v8::internal | 484 } } // namespace v8::internal |
485 | 485 |
486 #endif // V8_IA32_LITHIUM_CODEGEN_IA32_H_ | 486 #endif // V8_IA32_LITHIUM_CODEGEN_IA32_H_ |
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