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Side by Side Diff: src/ia32/virtual-frame-ia32.h

Issue 668151: Make more use of the NumberInfo data.... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 10 years, 9 months ago
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1 // Copyright 2009 the V8 project authors. All rights reserved. 1 // Copyright 2009 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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77 77
78 // Construct a virtual frame as a clone of an existing one. 78 // Construct a virtual frame as a clone of an existing one.
79 explicit inline VirtualFrame(VirtualFrame* original); 79 explicit inline VirtualFrame(VirtualFrame* original);
80 80
81 CodeGenerator* cgen() { return CodeGeneratorScope::Current(); } 81 CodeGenerator* cgen() { return CodeGeneratorScope::Current(); }
82 82
83 MacroAssembler* masm() { return cgen()->masm(); } 83 MacroAssembler* masm() { return cgen()->masm(); }
84 84
85 // Create a duplicate of an existing valid frame element. 85 // Create a duplicate of an existing valid frame element.
86 FrameElement CopyElementAt(int index, 86 FrameElement CopyElementAt(int index,
87 NumberInfo::Type info = NumberInfo::kUninitialized); 87 NumberInfo info = NumberInfo::Uninitialized());
88 88
89 // The number of elements on the virtual frame. 89 // The number of elements on the virtual frame.
90 int element_count() { return elements_.length(); } 90 int element_count() { return elements_.length(); }
91 91
92 // The height of the virtual expression stack. 92 // The height of the virtual expression stack.
93 int height() { return element_count() - expression_base_index(); } 93 int height() { return element_count() - expression_base_index(); }
94 94
95 int register_location(int num) { 95 int register_location(int num) {
96 ASSERT(num >= 0 && num < RegisterAllocator::kNumRegisters); 96 ASSERT(num >= 0 && num < RegisterAllocator::kNumRegisters);
97 return register_locations_[num]; 97 return register_locations_[num];
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381 Result Pop(); 381 Result Pop();
382 382
383 // Pop and save an element from the top of the expression stack and 383 // Pop and save an element from the top of the expression stack and
384 // emit a corresponding pop instruction. 384 // emit a corresponding pop instruction.
385 void EmitPop(Register reg); 385 void EmitPop(Register reg);
386 void EmitPop(Operand operand); 386 void EmitPop(Operand operand);
387 387
388 // Push an element on top of the expression stack and emit a 388 // Push an element on top of the expression stack and emit a
389 // corresponding push instruction. 389 // corresponding push instruction.
390 void EmitPush(Register reg, 390 void EmitPush(Register reg,
391 NumberInfo::Type info = NumberInfo::kUnknown); 391 NumberInfo info = NumberInfo::Unknown());
392 void EmitPush(Operand operand, 392 void EmitPush(Operand operand,
393 NumberInfo::Type info = NumberInfo::kUnknown); 393 NumberInfo info = NumberInfo::Unknown());
394 void EmitPush(Immediate immediate, 394 void EmitPush(Immediate immediate,
395 NumberInfo::Type info = NumberInfo::kUnknown); 395 NumberInfo info = NumberInfo::Unknown());
396 396
397 // Push an element on the virtual frame. 397 // Push an element on the virtual frame.
398 inline void Push(Register reg, NumberInfo::Type info = NumberInfo::kUnknown); 398 inline void Push(Register reg, NumberInfo info = NumberInfo::Unknown());
399 inline void Push(Handle<Object> value); 399 inline void Push(Handle<Object> value);
400 inline void Push(Smi* value); 400 inline void Push(Smi* value);
401 401
402 // Pushing a result invalidates it (its contents become owned by the 402 // Pushing a result invalidates it (its contents become owned by the
403 // frame). 403 // frame).
404 void Push(Result* result) { 404 void Push(Result* result) {
405 // This assert will trigger if you try to push the same value twice. 405 // This assert will trigger if you try to push the same value twice.
406 ASSERT(result->is_valid()); 406 ASSERT(result->is_valid());
407 if (result->is_register()) { 407 if (result->is_register()) {
408 Push(result->reg(), result->number_info()); 408 Push(result->reg(), result->number_info());
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590 inline bool Equals(VirtualFrame* other); 590 inline bool Equals(VirtualFrame* other);
591 591
592 // Classes that need raw access to the elements_ array. 592 // Classes that need raw access to the elements_ array.
593 friend class DeferredCode; 593 friend class DeferredCode;
594 friend class JumpTarget; 594 friend class JumpTarget;
595 }; 595 };
596 596
597 } } // namespace v8::internal 597 } } // namespace v8::internal
598 598
599 #endif // V8_IA32_VIRTUAL_FRAME_IA32_H_ 599 #endif // V8_IA32_VIRTUAL_FRAME_IA32_H_
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