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Side by Side Diff: src/ic/ic.h

Issue 1921963005: Version 5.1.281.19 (cherry-pick) (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@5.1
Patch Set: Created 4 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 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef V8_IC_H_ 5 #ifndef V8_IC_H_
6 #define V8_IC_H_ 6 #define V8_IC_H_
7 7
8 #include "src/ic/ic-state.h" 8 #include "src/ic/ic-state.h"
9 #include "src/macro-assembler.h" 9 #include "src/macro-assembler.h"
10 #include "src/messages.h" 10 #include "src/messages.h"
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105 bool is_vector_set() { return vector_set_; } 105 bool is_vector_set() { return vector_set_; }
106 106
107 bool UseVector() const { 107 bool UseVector() const {
108 bool use = ICUseVector(kind()); 108 bool use = ICUseVector(kind());
109 // If we are supposed to use the nexus, verify the nexus is non-null. 109 // If we are supposed to use the nexus, verify the nexus is non-null.
110 DCHECK(!use || nexus_ != NULL); 110 DCHECK(!use || nexus_ != NULL);
111 return use; 111 return use;
112 } 112 }
113 113
114 // Configure for most states. 114 // Configure for most states.
115 void ConfigureVectorState(IC::State new_state); 115 void ConfigureVectorState(IC::State new_state, Handle<Object> key);
116 // Configure the vector for MONOMORPHIC. 116 // Configure the vector for MONOMORPHIC.
117 void ConfigureVectorState(Handle<Name> name, Handle<Map> map, 117 void ConfigureVectorState(Handle<Name> name, Handle<Map> map,
118 Handle<Code> handler); 118 Handle<Code> handler);
119 // Configure the vector for POLYMORPHIC. 119 // Configure the vector for POLYMORPHIC.
120 void ConfigureVectorState(Handle<Name> name, MapHandleList* maps, 120 void ConfigureVectorState(Handle<Name> name, MapHandleList* maps,
121 CodeHandleList* handlers); 121 CodeHandleList* handlers);
122 // Configure the vector for POLYMORPHIC with transitions (only for element 122 // Configure the vector for POLYMORPHIC with transitions (only for element
123 // keyed stores). 123 // keyed stores).
124 void ConfigureVectorState(MapHandleList* maps, 124 void ConfigureVectorState(MapHandleList* maps,
125 MapHandleList* transitioned_maps, 125 MapHandleList* transitioned_maps,
(...skipping 163 matching lines...) Expand 10 before | Expand all | Expand 10 after
289 static Handle<Code> initialize_stub_in_optimized_code( 289 static Handle<Code> initialize_stub_in_optimized_code(
290 Isolate* isolate, int argc, ConvertReceiverMode mode, 290 Isolate* isolate, int argc, ConvertReceiverMode mode,
291 TailCallMode tail_call_mode); 291 TailCallMode tail_call_mode);
292 292
293 static void Clear(Isolate* isolate, Code* host, CallICNexus* nexus); 293 static void Clear(Isolate* isolate, Code* host, CallICNexus* nexus);
294 }; 294 };
295 295
296 296
297 class LoadIC : public IC { 297 class LoadIC : public IC {
298 public: 298 public:
299 static ExtraICState ComputeExtraICState(TypeofMode typeof_mode) {
300 return LoadICState(typeof_mode).GetExtraICState();
301 }
302
303 TypeofMode typeof_mode() const { 299 TypeofMode typeof_mode() const {
304 return LoadICState::GetTypeofMode(extra_ic_state()); 300 return LoadICState::GetTypeofMode(extra_ic_state());
305 } 301 }
306 302
307 LoadIC(FrameDepth depth, Isolate* isolate, FeedbackNexus* nexus = NULL) 303 LoadIC(FrameDepth depth, Isolate* isolate, FeedbackNexus* nexus = NULL)
308 : IC(depth, isolate, nexus) { 304 : IC(depth, isolate, nexus) {
309 DCHECK(nexus != NULL); 305 DCHECK(nexus != NULL);
310 DCHECK(IsLoadStub()); 306 DCHECK(IsLoadStub());
311 } 307 }
312 308
(...skipping 44 matching lines...) Expand 10 before | Expand all | Expand 10 after
357 353
358 static void Clear(Isolate* isolate, Address address, Code* target, 354 static void Clear(Isolate* isolate, Address address, Code* target,
359 Address constant_pool); 355 Address constant_pool);
360 356
361 friend class IC; 357 friend class IC;
362 }; 358 };
363 359
364 360
365 class KeyedLoadIC : public LoadIC { 361 class KeyedLoadIC : public LoadIC {
366 public: 362 public:
367 // ExtraICState bits (building on IC)
368 class IcCheckTypeField
369 : public BitField<IcCheckType, LoadICState::kNextBitFieldOffset, 1> {};
370
371 static ExtraICState ComputeExtraICState(TypeofMode typeof_mode,
372 IcCheckType key_type) {
373 return LoadICState(typeof_mode).GetExtraICState() |
374 IcCheckTypeField::encode(key_type);
375 }
376
377 static IcCheckType GetKeyType(ExtraICState extra_state) {
378 return IcCheckTypeField::decode(extra_state);
379 }
380
381 KeyedLoadIC(FrameDepth depth, Isolate* isolate, 363 KeyedLoadIC(FrameDepth depth, Isolate* isolate,
382 KeyedLoadICNexus* nexus = NULL) 364 KeyedLoadICNexus* nexus = NULL)
383 : LoadIC(depth, isolate, nexus) { 365 : LoadIC(depth, isolate, nexus) {
384 DCHECK(nexus != NULL); 366 DCHECK(nexus != NULL);
385 DCHECK(target()->is_keyed_load_stub()); 367 DCHECK(target()->is_keyed_load_stub());
386 } 368 }
387 369
388 MUST_USE_RESULT MaybeHandle<Object> Load(Handle<Object> object, 370 MUST_USE_RESULT MaybeHandle<Object> Load(Handle<Object> object,
389 Handle<Object> key); 371 Handle<Object> key);
390 372
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634 616
635 // Helper for BinaryOpIC and CompareIC. 617 // Helper for BinaryOpIC and CompareIC.
636 enum InlinedSmiCheck { ENABLE_INLINED_SMI_CHECK, DISABLE_INLINED_SMI_CHECK }; 618 enum InlinedSmiCheck { ENABLE_INLINED_SMI_CHECK, DISABLE_INLINED_SMI_CHECK };
637 void PatchInlinedSmiCode(Isolate* isolate, Address address, 619 void PatchInlinedSmiCode(Isolate* isolate, Address address,
638 InlinedSmiCheck check); 620 InlinedSmiCheck check);
639 621
640 } // namespace internal 622 } // namespace internal
641 } // namespace v8 623 } // namespace v8
642 624
643 #endif // V8_IC_H_ 625 #endif // V8_IC_H_
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