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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 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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262 KeyedLoadIC() : IC(NO_EXTRA_FRAME) { ASSERT(target()->is_keyed_load_stub()); } | 262 KeyedLoadIC() : IC(NO_EXTRA_FRAME) { ASSERT(target()->is_keyed_load_stub()); } |
263 | 263 |
264 Object* Load(State state, Handle<Object> object, Handle<Object> key); | 264 Object* Load(State state, Handle<Object> object, Handle<Object> key); |
265 | 265 |
266 // Code generator routines. | 266 // Code generator routines. |
267 static void GenerateMiss(MacroAssembler* masm); | 267 static void GenerateMiss(MacroAssembler* masm); |
268 static void GenerateInitialize(MacroAssembler* masm); | 268 static void GenerateInitialize(MacroAssembler* masm); |
269 static void GeneratePreMonomorphic(MacroAssembler* masm); | 269 static void GeneratePreMonomorphic(MacroAssembler* masm); |
270 static void GenerateGeneric(MacroAssembler* masm); | 270 static void GenerateGeneric(MacroAssembler* masm); |
271 | 271 |
| 272 // Generators for external array types. See objects.h. |
| 273 // These are similar to the generic IC; they optimize the case of |
| 274 // operating upon external array types but fall back to the runtime |
| 275 // for all other types. |
| 276 static void GenerateExternalArray(MacroAssembler* masm, |
| 277 ExternalArrayType array_type); |
| 278 |
272 // Clear the use of the inlined version. | 279 // Clear the use of the inlined version. |
273 static void ClearInlinedVersion(Address address); | 280 static void ClearInlinedVersion(Address address); |
274 | 281 |
275 private: | 282 private: |
276 static void Generate(MacroAssembler* masm, const ExternalReference& f); | 283 static void Generate(MacroAssembler* masm, const ExternalReference& f); |
277 | 284 |
278 // Update the inline cache. | 285 // Update the inline cache. |
279 void UpdateCaches(LookupResult* lookup, | 286 void UpdateCaches(LookupResult* lookup, |
280 State state, | 287 State state, |
281 Handle<Object> object, | 288 Handle<Object> object, |
282 Handle<String> name); | 289 Handle<String> name); |
283 | 290 |
284 // Stub accessors. | 291 // Stub accessors. |
285 static Code* initialize_stub() { | 292 static Code* initialize_stub() { |
286 return Builtins::builtin(Builtins::KeyedLoadIC_Initialize); | 293 return Builtins::builtin(Builtins::KeyedLoadIC_Initialize); |
287 } | 294 } |
288 static Code* megamorphic_stub() { | 295 static Code* megamorphic_stub() { |
289 return Builtins::builtin(Builtins::KeyedLoadIC_Generic); | 296 return Builtins::builtin(Builtins::KeyedLoadIC_Generic); |
290 } | 297 } |
291 static Code* generic_stub() { | 298 static Code* generic_stub() { |
292 return Builtins::builtin(Builtins::KeyedLoadIC_Generic); | 299 return Builtins::builtin(Builtins::KeyedLoadIC_Generic); |
293 } | 300 } |
294 static Code* pre_monomorphic_stub() { | 301 static Code* pre_monomorphic_stub() { |
295 return Builtins::builtin(Builtins::KeyedLoadIC_PreMonomorphic); | 302 return Builtins::builtin(Builtins::KeyedLoadIC_PreMonomorphic); |
296 } | 303 } |
| 304 static Code* external_array_stub(JSObject::ElementsKind elements_kind); |
297 | 305 |
298 static void Clear(Address address, Code* target); | 306 static void Clear(Address address, Code* target); |
299 | 307 |
300 // Support for patching the map that is checked in an inlined | 308 // Support for patching the map that is checked in an inlined |
301 // version of keyed load. | 309 // version of keyed load. |
302 static bool PatchInlinedLoad(Address address, Object* map); | 310 static bool PatchInlinedLoad(Address address, Object* map); |
303 | 311 |
304 friend class IC; | 312 friend class IC; |
305 }; | 313 }; |
306 | 314 |
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351 Handle<Object> object, | 359 Handle<Object> object, |
352 Handle<Object> name, | 360 Handle<Object> name, |
353 Handle<Object> value); | 361 Handle<Object> value); |
354 | 362 |
355 // Code generators for stub routines. Only called once at startup. | 363 // Code generators for stub routines. Only called once at startup. |
356 static void GenerateInitialize(MacroAssembler* masm); | 364 static void GenerateInitialize(MacroAssembler* masm); |
357 static void GenerateMiss(MacroAssembler* masm); | 365 static void GenerateMiss(MacroAssembler* masm); |
358 static void GenerateGeneric(MacroAssembler* masm); | 366 static void GenerateGeneric(MacroAssembler* masm); |
359 static void GenerateExtendStorage(MacroAssembler* masm); | 367 static void GenerateExtendStorage(MacroAssembler* masm); |
360 | 368 |
| 369 // Generators for external array types. See objects.h. |
| 370 // These are similar to the generic IC; they optimize the case of |
| 371 // operating upon external array types but fall back to the runtime |
| 372 // for all other types. |
| 373 static void GenerateExternalArray(MacroAssembler* masm, |
| 374 ExternalArrayType array_type); |
| 375 |
361 // Clear the inlined version so the IC is always hit. | 376 // Clear the inlined version so the IC is always hit. |
362 static void ClearInlinedVersion(Address address); | 377 static void ClearInlinedVersion(Address address); |
363 | 378 |
364 // Restore the inlined version so the fast case can get hit. | 379 // Restore the inlined version so the fast case can get hit. |
365 static void RestoreInlinedVersion(Address address); | 380 static void RestoreInlinedVersion(Address address); |
366 | 381 |
367 private: | 382 private: |
368 static void Generate(MacroAssembler* masm, const ExternalReference& f); | 383 static void Generate(MacroAssembler* masm, const ExternalReference& f); |
369 | 384 |
370 // Update the inline cache. | 385 // Update the inline cache. |
371 void UpdateCaches(LookupResult* lookup, | 386 void UpdateCaches(LookupResult* lookup, |
372 State state, | 387 State state, |
373 Handle<JSObject> receiver, | 388 Handle<JSObject> receiver, |
374 Handle<String> name, | 389 Handle<String> name, |
375 Handle<Object> value); | 390 Handle<Object> value); |
376 | 391 |
377 // Stub accessors. | 392 // Stub accessors. |
378 static Code* initialize_stub() { | 393 static Code* initialize_stub() { |
379 return Builtins::builtin(Builtins::KeyedStoreIC_Initialize); | 394 return Builtins::builtin(Builtins::KeyedStoreIC_Initialize); |
380 } | 395 } |
381 static Code* megamorphic_stub() { | 396 static Code* megamorphic_stub() { |
382 return Builtins::builtin(Builtins::KeyedStoreIC_Generic); | 397 return Builtins::builtin(Builtins::KeyedStoreIC_Generic); |
383 } | 398 } |
384 static Code* generic_stub() { | 399 static Code* generic_stub() { |
385 return Builtins::builtin(Builtins::KeyedStoreIC_Generic); | 400 return Builtins::builtin(Builtins::KeyedStoreIC_Generic); |
386 } | 401 } |
| 402 static Code* external_array_stub(JSObject::ElementsKind elements_kind); |
387 | 403 |
388 static void Clear(Address address, Code* target); | 404 static void Clear(Address address, Code* target); |
389 | 405 |
390 // Support for patching the map that is checked in an inlined | 406 // Support for patching the map that is checked in an inlined |
391 // version of keyed store. | 407 // version of keyed store. |
392 // The address is the patch point for the IC call | 408 // The address is the patch point for the IC call |
393 // (Assembler::kCallTargetAddressOffset before the end of | 409 // (Assembler::kCallTargetAddressOffset before the end of |
394 // the call/return address). | 410 // the call/return address). |
395 // The map is the new map that the inlined code should check against. | 411 // The map is the new map that the inlined code should check against. |
396 static bool PatchInlinedStore(Address address, Object* map); | 412 static bool PatchInlinedStore(Address address, Object* map); |
397 | 413 |
398 friend class IC; | 414 friend class IC; |
399 }; | 415 }; |
400 | 416 |
401 | 417 |
402 } } // namespace v8::internal | 418 } } // namespace v8::internal |
403 | 419 |
404 #endif // V8_IC_H_ | 420 #endif // V8_IC_H_ |
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