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Side by Side Diff: src/ia32/lithium-codegen-ia32.h

Issue 14354003: HArgument instructions currently require a frame. In Lithium we can ensure a frame (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 8 months ago
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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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79 MacroAssembler* masm() const { return masm_; } 79 MacroAssembler* masm() const { return masm_; }
80 CompilationInfo* info() const { return info_; } 80 CompilationInfo* info() const { return info_; }
81 Isolate* isolate() const { return info_->isolate(); } 81 Isolate* isolate() const { return info_->isolate(); }
82 Factory* factory() const { return isolate()->factory(); } 82 Factory* factory() const { return isolate()->factory(); }
83 Heap* heap() const { return isolate()->heap(); } 83 Heap* heap() const { return isolate()->heap(); }
84 Zone* zone() const { return zone_; } 84 Zone* zone() const { return zone_; }
85 85
86 bool NeedsEagerFrame() const { 86 bool NeedsEagerFrame() const {
87 return GetStackSlotCount() > 0 || 87 return GetStackSlotCount() > 0 ||
88 info()->is_non_deferred_calling() || 88 info()->is_non_deferred_calling() ||
89 !info()->IsStub(); 89 !info()->IsStub() ||
90 info()->requires_frame();
90 } 91 }
91 bool NeedsDeferredFrame() const { 92 bool NeedsDeferredFrame() const {
92 return !NeedsEagerFrame() && info()->is_deferred_calling(); 93 return !NeedsEagerFrame() && info()->is_deferred_calling();
93 } 94 }
94 95
95 // Support for converting LOperands to assembler types. 96 // Support for converting LOperands to assembler types.
96 Operand ToOperand(LOperand* op) const; 97 Operand ToOperand(LOperand* op) const;
97 Register ToRegister(LOperand* op) const; 98 Register ToRegister(LOperand* op) const;
98 XMMRegister ToDoubleRegister(LOperand* op) const; 99 XMMRegister ToDoubleRegister(LOperand* op) const;
99 bool IsX87TopOfStack(LOperand* op) const; 100 bool IsX87TopOfStack(LOperand* op) const;
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477 LCodeGen* codegen_; 478 LCodeGen* codegen_;
478 Label entry_; 479 Label entry_;
479 Label exit_; 480 Label exit_;
480 Label* external_exit_; 481 Label* external_exit_;
481 int instruction_index_; 482 int instruction_index_;
482 }; 483 };
483 484
484 } } // namespace v8::internal 485 } } // namespace v8::internal
485 486
486 #endif // V8_IA32_LITHIUM_CODEGEN_IA32_H_ 487 #endif // V8_IA32_LITHIUM_CODEGEN_IA32_H_
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