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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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| 54 | 54 |
| 55 // MacroAssembler implements a collection of frequently used macros. | 55 // MacroAssembler implements a collection of frequently used macros. |
| 56 class MacroAssembler: public Assembler { | 56 class MacroAssembler: public Assembler { |
| 57 public: | 57 public: |
| 58 // The isolate parameter can be NULL if the macro assembler should | 58 // The isolate parameter can be NULL if the macro assembler should |
| 59 // not use isolate-dependent functionality. In this case, it's the | 59 // not use isolate-dependent functionality. In this case, it's the |
| 60 // responsibility of the caller to never invoke such function on the | 60 // responsibility of the caller to never invoke such function on the |
| 61 // macro assembler. | 61 // macro assembler. |
| 62 MacroAssembler(Isolate* isolate, void* buffer, int size); | 62 MacroAssembler(Isolate* isolate, void* buffer, int size); |
| 63 | 63 |
| 64 void Load(Register dst, const Operand& src, Representation r); |
| 65 void Store(Register src, const Operand& dst, Representation r); |
| 66 |
| 64 // Operations on roots in the root-array. | 67 // Operations on roots in the root-array. |
| 65 void LoadRoot(Register destination, Heap::RootListIndex index); | 68 void LoadRoot(Register destination, Heap::RootListIndex index); |
| 66 void StoreRoot(Register source, Register scratch, Heap::RootListIndex index); | 69 void StoreRoot(Register source, Register scratch, Heap::RootListIndex index); |
| 67 void CompareRoot(Register with, Register scratch, Heap::RootListIndex index); | 70 void CompareRoot(Register with, Register scratch, Heap::RootListIndex index); |
| 68 // These methods can only be used with constant roots (i.e. non-writable | 71 // These methods can only be used with constant roots (i.e. non-writable |
| 69 // and not in new space). | 72 // and not in new space). |
| 70 void CompareRoot(Register with, Heap::RootListIndex index); | 73 void CompareRoot(Register with, Heap::RootListIndex index); |
| 71 void CompareRoot(const Operand& with, Heap::RootListIndex index); | 74 void CompareRoot(const Operand& with, Heap::RootListIndex index); |
| 72 | 75 |
| 73 // --------------------------------------------------------------------------- | 76 // --------------------------------------------------------------------------- |
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| 410 // the FastDoubleElements array elements, otherwise jump to fail. | 413 // the FastDoubleElements array elements, otherwise jump to fail. |
| 411 void StoreNumberToDoubleElements(Register maybe_number, | 414 void StoreNumberToDoubleElements(Register maybe_number, |
| 412 Register elements, | 415 Register elements, |
| 413 Register key, | 416 Register key, |
| 414 Register scratch1, | 417 Register scratch1, |
| 415 XMMRegister scratch2, | 418 XMMRegister scratch2, |
| 416 Label* fail, | 419 Label* fail, |
| 417 bool specialize_for_processor, | 420 bool specialize_for_processor, |
| 418 int offset = 0); | 421 int offset = 0); |
| 419 | 422 |
| 420 // Compare an object's map with the specified map and its transitioned | 423 // Compare an object's map with the specified map. |
| 421 // elements maps if mode is ALLOW_ELEMENT_TRANSITION_MAPS. FLAGS are set with | 424 void CompareMap(Register obj, Handle<Map> map); |
| 422 // result of map compare. If multiple map compares are required, the compare | |
| 423 // sequences branches to early_success. | |
| 424 void CompareMap(Register obj, | |
| 425 Handle<Map> map, | |
| 426 Label* early_success); | |
| 427 | 425 |
| 428 // Check if the map of an object is equal to a specified map and branch to | 426 // Check if the map of an object is equal to a specified map and branch to |
| 429 // label if not. Skip the smi check if not required (object is known to be a | 427 // label if not. Skip the smi check if not required (object is known to be a |
| 430 // heap object). If mode is ALLOW_ELEMENT_TRANSITION_MAPS, then also match | 428 // heap object). If mode is ALLOW_ELEMENT_TRANSITION_MAPS, then also match |
| 431 // against maps that are ElementsKind transition maps of the specified map. | 429 // against maps that are ElementsKind transition maps of the specified map. |
| 432 void CheckMap(Register obj, | 430 void CheckMap(Register obj, |
| 433 Handle<Map> map, | 431 Handle<Map> map, |
| 434 Label* fail, | 432 Label* fail, |
| 435 SmiCheckType smi_check_type); | 433 SmiCheckType smi_check_type); |
| 436 | 434 |
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| 1118 } \ | 1116 } \ |
| 1119 masm-> | 1117 masm-> |
| 1120 #else | 1118 #else |
| 1121 #define ACCESS_MASM(masm) masm-> | 1119 #define ACCESS_MASM(masm) masm-> |
| 1122 #endif | 1120 #endif |
| 1123 | 1121 |
| 1124 | 1122 |
| 1125 } } // namespace v8::internal | 1123 } } // namespace v8::internal |
| 1126 | 1124 |
| 1127 #endif // V8_IA32_MACRO_ASSEMBLER_IA32_H_ | 1125 #endif // V8_IA32_MACRO_ASSEMBLER_IA32_H_ |
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