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

Issue 1207006: Rename NumberInfo to TypeInfo.... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: changed project files 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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62 inline VirtualFrame(); 62 inline VirtualFrame();
63 63
64 // Construct a virtual frame as a clone of an existing one. 64 // Construct a virtual frame as a clone of an existing one.
65 explicit inline VirtualFrame(VirtualFrame* original); 65 explicit inline VirtualFrame(VirtualFrame* original);
66 66
67 CodeGenerator* cgen() { return CodeGeneratorScope::Current(); } 67 CodeGenerator* cgen() { return CodeGeneratorScope::Current(); }
68 MacroAssembler* masm() { return cgen()->masm(); } 68 MacroAssembler* masm() { return cgen()->masm(); }
69 69
70 // Create a duplicate of an existing valid frame element. 70 // Create a duplicate of an existing valid frame element.
71 FrameElement CopyElementAt(int index, 71 FrameElement CopyElementAt(int index,
72 NumberInfo info = NumberInfo::Unknown()); 72 TypeInfo info = TypeInfo::Unknown());
73 73
74 // The number of elements on the virtual frame. 74 // The number of elements on the virtual frame.
75 int element_count() { return elements_.length(); } 75 int element_count() { return elements_.length(); }
76 76
77 // The height of the virtual expression stack. 77 // The height of the virtual expression stack.
78 int height() { 78 int height() {
79 return element_count() - expression_base_index(); 79 return element_count() - expression_base_index();
80 } 80 }
81 81
82 int register_location(int num) { 82 int register_location(int num) {
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337 // Push an element on top of the expression stack and emit a 337 // Push an element on top of the expression stack and emit a
338 // corresponding push instruction. 338 // corresponding push instruction.
339 void EmitPush(Register reg); 339 void EmitPush(Register reg);
340 340
341 // Push multiple registers on the stack and the virtual frame 341 // Push multiple registers on the stack and the virtual frame
342 // Register are selected by setting bit in src_regs and 342 // Register are selected by setting bit in src_regs and
343 // are pushed in decreasing order: r15 .. r0. 343 // are pushed in decreasing order: r15 .. r0.
344 void EmitPushMultiple(int count, int src_regs); 344 void EmitPushMultiple(int count, int src_regs);
345 345
346 // Push an element on the virtual frame. 346 // Push an element on the virtual frame.
347 inline void Push(Register reg, NumberInfo info = NumberInfo::Unknown()); 347 inline void Push(Register reg, TypeInfo info = TypeInfo::Unknown());
348 inline void Push(Handle<Object> value); 348 inline void Push(Handle<Object> value);
349 inline void Push(Smi* value); 349 inline void Push(Smi* value);
350 350
351 // Pushing a result invalidates it (its contents become owned by the frame). 351 // Pushing a result invalidates it (its contents become owned by the frame).
352 void Push(Result* result) { 352 void Push(Result* result) {
353 if (result->is_register()) { 353 if (result->is_register()) {
354 Push(result->reg()); 354 Push(result->reg());
355 } else { 355 } else {
356 ASSERT(result->is_constant()); 356 ASSERT(result->is_constant());
357 Push(result->handle()); 357 Push(result->handle());
358 } 358 }
359 result->Unuse(); 359 result->Unuse();
360 } 360 }
361 361
362 // Nip removes zero or more elements from immediately below the top 362 // Nip removes zero or more elements from immediately below the top
363 // of the frame, leaving the previous top-of-frame value on top of 363 // of the frame, leaving the previous top-of-frame value on top of
364 // the frame. Nip(k) is equivalent to x = Pop(), Drop(k), Push(x). 364 // the frame. Nip(k) is equivalent to x = Pop(), Drop(k), Push(x).
365 inline void Nip(int num_dropped); 365 inline void Nip(int num_dropped);
366 366
367 inline void SetTypeForLocalAt(int index, NumberInfo info); 367 inline void SetTypeForLocalAt(int index, TypeInfo info);
368 inline void SetTypeForParamAt(int index, NumberInfo info); 368 inline void SetTypeForParamAt(int index, TypeInfo info);
369 369
370 private: 370 private:
371 static const int kLocal0Offset = JavaScriptFrameConstants::kLocal0Offset; 371 static const int kLocal0Offset = JavaScriptFrameConstants::kLocal0Offset;
372 static const int kFunctionOffset = JavaScriptFrameConstants::kFunctionOffset; 372 static const int kFunctionOffset = JavaScriptFrameConstants::kFunctionOffset;
373 static const int kContextOffset = StandardFrameConstants::kContextOffset; 373 static const int kContextOffset = StandardFrameConstants::kContextOffset;
374 374
375 static const int kHandlerSize = StackHandlerConstants::kSize / kPointerSize; 375 static const int kHandlerSize = StackHandlerConstants::kSize / kPointerSize;
376 static const int kPreallocatedElements = 5 + 8; // 8 expression stack slots. 376 static const int kPreallocatedElements = 5 + 8; // 8 expression stack slots.
377 377
378 ZoneList<FrameElement> elements_; 378 ZoneList<FrameElement> elements_;
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507 507
508 // Classes that need raw access to the elements_ array. 508 // Classes that need raw access to the elements_ array.
509 friend class DeferredCode; 509 friend class DeferredCode;
510 friend class JumpTarget; 510 friend class JumpTarget;
511 }; 511 };
512 512
513 513
514 } } // namespace v8::internal 514 } } // namespace v8::internal
515 515
516 #endif // V8_ARM_VIRTUAL_FRAME_ARM_H_ 516 #endif // V8_ARM_VIRTUAL_FRAME_ARM_H_
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