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Side by Side Diff: src/x64/virtual-frame-x64.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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21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 27
28 #ifndef V8_X64_VIRTUAL_FRAME_X64_H_ 28 #ifndef V8_X64_VIRTUAL_FRAME_X64_H_
29 #define V8_X64_VIRTUAL_FRAME_X64_H_ 29 #define V8_X64_VIRTUAL_FRAME_X64_H_
30 30
31 #include "number-info.h" 31 #include "type-info.h"
32 #include "register-allocator.h" 32 #include "register-allocator.h"
33 #include "scopes.h" 33 #include "scopes.h"
34 34
35 namespace v8 { 35 namespace v8 {
36 namespace internal { 36 namespace internal {
37 37
38 // ------------------------------------------------------------------------- 38 // -------------------------------------------------------------------------
39 // Virtual frames 39 // Virtual frames
40 // 40 //
41 // The virtual frame is an abstraction of the physical stack frame. It 41 // The virtual frame is an abstraction of the physical stack frame. It
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76 inline VirtualFrame(); 76 inline VirtualFrame();
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 MacroAssembler* masm() { return cgen()->masm(); } 82 MacroAssembler* masm() { return cgen()->masm(); }
83 83
84 // Create a duplicate of an existing valid frame element. 84 // Create a duplicate of an existing valid frame element.
85 FrameElement CopyElementAt(int index, 85 FrameElement CopyElementAt(int index,
86 NumberInfo info = NumberInfo::Uninitialized()); 86 TypeInfo info = TypeInfo::Uninitialized());
87 87
88 // The number of elements on the virtual frame. 88 // The number of elements on the virtual frame.
89 int element_count() { return elements_.length(); } 89 int element_count() { return elements_.length(); }
90 90
91 // The height of the virtual expression stack. 91 // The height of the virtual expression stack.
92 int height() { 92 int height() {
93 return element_count() - expression_base_index(); 93 return element_count() - expression_base_index();
94 } 94 }
95 95
96 int register_location(int num) { 96 int register_location(int num) {
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376 Result Pop(); 376 Result Pop();
377 377
378 // Pop and save an element from the top of the expression stack and 378 // Pop and save an element from the top of the expression stack and
379 // emit a corresponding pop instruction. 379 // emit a corresponding pop instruction.
380 void EmitPop(Register reg); 380 void EmitPop(Register reg);
381 void EmitPop(const Operand& operand); 381 void EmitPop(const Operand& operand);
382 382
383 // Push an element on top of the expression stack and emit a 383 // Push an element on top of the expression stack and emit a
384 // corresponding push instruction. 384 // corresponding push instruction.
385 void EmitPush(Register reg, 385 void EmitPush(Register reg,
386 NumberInfo info = NumberInfo::Unknown()); 386 TypeInfo info = TypeInfo::Unknown());
387 void EmitPush(const Operand& operand, 387 void EmitPush(const Operand& operand,
388 NumberInfo info = NumberInfo::Unknown()); 388 TypeInfo info = TypeInfo::Unknown());
389 void EmitPush(Heap::RootListIndex index, 389 void EmitPush(Heap::RootListIndex index,
390 NumberInfo info = NumberInfo::Unknown()); 390 TypeInfo info = TypeInfo::Unknown());
391 void EmitPush(Immediate immediate, 391 void EmitPush(Immediate immediate,
392 NumberInfo info = NumberInfo::Unknown()); 392 TypeInfo info = TypeInfo::Unknown());
393 void EmitPush(Smi* value); 393 void EmitPush(Smi* value);
394 // Uses kScratchRegister, emits appropriate relocation info. 394 // Uses kScratchRegister, emits appropriate relocation info.
395 void EmitPush(Handle<Object> value); 395 void EmitPush(Handle<Object> value);
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 info = NumberInfo::Unknown()); 398 inline void Push(Register reg, TypeInfo info = TypeInfo::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 if (result->is_register()) { 405 if (result->is_register()) {
406 Push(result->reg(), result->number_info()); 406 Push(result->reg(), result->type_info());
407 } else { 407 } else {
408 ASSERT(result->is_constant()); 408 ASSERT(result->is_constant());
409 Push(result->handle()); 409 Push(result->handle());
410 } 410 }
411 result->Unuse(); 411 result->Unuse();
412 } 412 }
413 413
414 // Nip removes zero or more elements from immediately below the top 414 // Nip removes zero or more elements from immediately below the top
415 // of the frame, leaving the previous top-of-frame value on top of 415 // of the frame, leaving the previous top-of-frame value on top of
416 // the frame. Nip(k) is equivalent to x = Pop(), Drop(k), Push(x). 416 // the frame. Nip(k) is equivalent to x = Pop(), Drop(k), Push(x).
417 inline void Nip(int num_dropped); 417 inline void Nip(int num_dropped);
418 418
419 inline void SetTypeForLocalAt(int index, NumberInfo info); 419 inline void SetTypeForLocalAt(int index, TypeInfo info);
420 inline void SetTypeForParamAt(int index, NumberInfo info); 420 inline void SetTypeForParamAt(int index, TypeInfo info);
421 421
422 private: 422 private:
423 static const int kLocal0Offset = JavaScriptFrameConstants::kLocal0Offset; 423 static const int kLocal0Offset = JavaScriptFrameConstants::kLocal0Offset;
424 static const int kFunctionOffset = JavaScriptFrameConstants::kFunctionOffset; 424 static const int kFunctionOffset = JavaScriptFrameConstants::kFunctionOffset;
425 static const int kContextOffset = StandardFrameConstants::kContextOffset; 425 static const int kContextOffset = StandardFrameConstants::kContextOffset;
426 426
427 static const int kHandlerSize = StackHandlerConstants::kSize / kPointerSize; 427 static const int kHandlerSize = StackHandlerConstants::kSize / kPointerSize;
428 static const int kPreallocatedElements = 5 + 8; // 8 expression stack slots. 428 static const int kPreallocatedElements = 5 + 8; // 8 expression stack slots.
429 429
430 ZoneList<FrameElement> elements_; 430 ZoneList<FrameElement> elements_;
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564 564
565 // Classes that need raw access to the elements_ array. 565 // Classes that need raw access to the elements_ array.
566 friend class DeferredCode; 566 friend class DeferredCode;
567 friend class JumpTarget; 567 friend class JumpTarget;
568 }; 568 };
569 569
570 570
571 } } // namespace v8::internal 571 } } // namespace v8::internal
572 572
573 #endif // V8_X64_VIRTUAL_FRAME_X64_H_ 573 #endif // V8_X64_VIRTUAL_FRAME_X64_H_
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