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Issue 19595004: Rename AllocationSiteInfo to AllocationMemento (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 5 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 // 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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384 } 384 }
385 385
386 386
387 // ------------------------------------------------------------------------- 387 // -------------------------------------------------------------------------
388 // Code generators 388 // Code generators
389 389
390 #define __ ACCESS_MASM(masm) 390 #define __ ACCESS_MASM(masm)
391 391
392 void ElementsTransitionGenerator::GenerateMapChangeElementsTransition( 392 void ElementsTransitionGenerator::GenerateMapChangeElementsTransition(
393 MacroAssembler* masm, AllocationSiteMode mode, 393 MacroAssembler* masm, AllocationSiteMode mode,
394 Label* allocation_site_info_found) { 394 Label* allocation_memento_found) {
395 // ----------- S t a t e ------------- 395 // ----------- S t a t e -------------
396 // -- r0 : value 396 // -- r0 : value
397 // -- r1 : key 397 // -- r1 : key
398 // -- r2 : receiver 398 // -- r2 : receiver
399 // -- lr : return address 399 // -- lr : return address
400 // -- r3 : target map, scratch for subsequent call 400 // -- r3 : target map, scratch for subsequent call
401 // -- r4 : scratch (elements) 401 // -- r4 : scratch (elements)
402 // ----------------------------------- 402 // -----------------------------------
403 if (mode == TRACK_ALLOCATION_SITE) { 403 if (mode == TRACK_ALLOCATION_SITE) {
404 ASSERT(allocation_site_info_found != NULL); 404 ASSERT(allocation_memento_found != NULL);
405 __ TestJSArrayForAllocationSiteInfo(r2, r4); 405 __ TestJSArrayForAllocationMemento(r2, r4);
406 __ b(eq, allocation_site_info_found); 406 __ b(eq, allocation_memento_found);
407 } 407 }
408 408
409 // Set transitioned map. 409 // Set transitioned map.
410 __ str(r3, FieldMemOperand(r2, HeapObject::kMapOffset)); 410 __ str(r3, FieldMemOperand(r2, HeapObject::kMapOffset));
411 __ RecordWriteField(r2, 411 __ RecordWriteField(r2,
412 HeapObject::kMapOffset, 412 HeapObject::kMapOffset,
413 r3, 413 r3,
414 r9, 414 r9,
415 kLRHasNotBeenSaved, 415 kLRHasNotBeenSaved,
416 kDontSaveFPRegs, 416 kDontSaveFPRegs,
417 EMIT_REMEMBERED_SET, 417 EMIT_REMEMBERED_SET,
418 OMIT_SMI_CHECK); 418 OMIT_SMI_CHECK);
419 } 419 }
420 420
421 421
422 void ElementsTransitionGenerator::GenerateSmiToDouble( 422 void ElementsTransitionGenerator::GenerateSmiToDouble(
423 MacroAssembler* masm, AllocationSiteMode mode, Label* fail) { 423 MacroAssembler* masm, AllocationSiteMode mode, Label* fail) {
424 // ----------- S t a t e ------------- 424 // ----------- S t a t e -------------
425 // -- r0 : value 425 // -- r0 : value
426 // -- r1 : key 426 // -- r1 : key
427 // -- r2 : receiver 427 // -- r2 : receiver
428 // -- lr : return address 428 // -- lr : return address
429 // -- r3 : target map, scratch for subsequent call 429 // -- r3 : target map, scratch for subsequent call
430 // -- r4 : scratch (elements) 430 // -- r4 : scratch (elements)
431 // ----------------------------------- 431 // -----------------------------------
432 Label loop, entry, convert_hole, gc_required, only_change_map, done; 432 Label loop, entry, convert_hole, gc_required, only_change_map, done;
433 433
434 if (mode == TRACK_ALLOCATION_SITE) { 434 if (mode == TRACK_ALLOCATION_SITE) {
435 __ TestJSArrayForAllocationSiteInfo(r2, r4); 435 __ TestJSArrayForAllocationMemento(r2, r4);
436 __ b(eq, fail); 436 __ b(eq, fail);
437 } 437 }
438 438
439 // Check for empty arrays, which only require a map transition and no changes 439 // Check for empty arrays, which only require a map transition and no changes
440 // to the backing store. 440 // to the backing store.
441 __ ldr(r4, FieldMemOperand(r2, JSObject::kElementsOffset)); 441 __ ldr(r4, FieldMemOperand(r2, JSObject::kElementsOffset));
442 __ CompareRoot(r4, Heap::kEmptyFixedArrayRootIndex); 442 __ CompareRoot(r4, Heap::kEmptyFixedArrayRootIndex);
443 __ b(eq, &only_change_map); 443 __ b(eq, &only_change_map);
444 444
445 __ push(lr); 445 __ push(lr);
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551 // -- r0 : value 551 // -- r0 : value
552 // -- r1 : key 552 // -- r1 : key
553 // -- r2 : receiver 553 // -- r2 : receiver
554 // -- lr : return address 554 // -- lr : return address
555 // -- r3 : target map, scratch for subsequent call 555 // -- r3 : target map, scratch for subsequent call
556 // -- r4 : scratch (elements) 556 // -- r4 : scratch (elements)
557 // ----------------------------------- 557 // -----------------------------------
558 Label entry, loop, convert_hole, gc_required, only_change_map; 558 Label entry, loop, convert_hole, gc_required, only_change_map;
559 559
560 if (mode == TRACK_ALLOCATION_SITE) { 560 if (mode == TRACK_ALLOCATION_SITE) {
561 __ TestJSArrayForAllocationSiteInfo(r2, r4); 561 __ TestJSArrayForAllocationMemento(r2, r4);
562 __ b(eq, fail); 562 __ b(eq, fail);
563 } 563 }
564 564
565 // Check for empty arrays, which only require a map transition and no changes 565 // Check for empty arrays, which only require a map transition and no changes
566 // to the backing store. 566 // to the backing store.
567 __ ldr(r4, FieldMemOperand(r2, JSObject::kElementsOffset)); 567 __ ldr(r4, FieldMemOperand(r2, JSObject::kElementsOffset));
568 __ CompareRoot(r4, Heap::kEmptyFixedArrayRootIndex); 568 __ CompareRoot(r4, Heap::kEmptyFixedArrayRootIndex);
569 __ b(eq, &only_change_map); 569 __ b(eq, &only_change_map);
570 570
571 __ push(lr); 571 __ push(lr);
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884 patcher.masm()->add(r0, pc, Operand(-8)); 884 patcher.masm()->add(r0, pc, Operand(-8));
885 patcher.masm()->ldr(pc, MemOperand(pc, -4)); 885 patcher.masm()->ldr(pc, MemOperand(pc, -4));
886 patcher.masm()->dd(reinterpret_cast<uint32_t>(stub->instruction_start())); 886 patcher.masm()->dd(reinterpret_cast<uint32_t>(stub->instruction_start()));
887 } 887 }
888 } 888 }
889 889
890 890
891 } } // namespace v8::internal 891 } } // namespace v8::internal
892 892
893 #endif // V8_TARGET_ARCH_ARM 893 #endif // V8_TARGET_ARCH_ARM
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