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Issue 12440041: Generalizing remaining Allocate functions in the macro assemblers used in pretenuring. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 9 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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443 __ push(eax); 443 __ push(eax);
444 __ push(ebx); 444 __ push(ebx);
445 445
446 __ mov(edi, FieldOperand(edi, FixedArray::kLengthOffset)); 446 __ mov(edi, FieldOperand(edi, FixedArray::kLengthOffset));
447 447
448 // Allocate new FixedDoubleArray. 448 // Allocate new FixedDoubleArray.
449 // edx: receiver 449 // edx: receiver
450 // edi: length of source FixedArray (smi-tagged) 450 // edi: length of source FixedArray (smi-tagged)
451 AllocationFlags flags = 451 AllocationFlags flags =
452 static_cast<AllocationFlags>(TAG_OBJECT | DOUBLE_ALIGNMENT); 452 static_cast<AllocationFlags>(TAG_OBJECT | DOUBLE_ALIGNMENT);
453 __ AllocateInNewSpace(FixedDoubleArray::kHeaderSize, times_8, 453 __ Allocate(FixedDoubleArray::kHeaderSize, times_8, edi,
454 edi, REGISTER_VALUE_IS_SMI, 454 REGISTER_VALUE_IS_SMI, eax, ebx, no_reg, &gc_required, flags);
455 eax, ebx, no_reg, &gc_required, flags);
456 455
457 // eax: destination FixedDoubleArray 456 // eax: destination FixedDoubleArray
458 // edi: number of elements 457 // edi: number of elements
459 // edx: receiver 458 // edx: receiver
460 __ mov(FieldOperand(eax, HeapObject::kMapOffset), 459 __ mov(FieldOperand(eax, HeapObject::kMapOffset),
461 Immediate(masm->isolate()->factory()->fixed_double_array_map())); 460 Immediate(masm->isolate()->factory()->fixed_double_array_map()));
462 __ mov(FieldOperand(eax, FixedDoubleArray::kLengthOffset), edi); 461 __ mov(FieldOperand(eax, FixedDoubleArray::kLengthOffset), edi);
463 __ mov(esi, FieldOperand(edx, JSObject::kElementsOffset)); 462 __ mov(esi, FieldOperand(edx, JSObject::kElementsOffset));
464 // Replace receiver's backing store with newly created FixedDoubleArray. 463 // Replace receiver's backing store with newly created FixedDoubleArray.
465 __ mov(FieldOperand(edx, JSObject::kElementsOffset), eax); 464 __ mov(FieldOperand(edx, JSObject::kElementsOffset), eax);
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582 581
583 __ push(eax); 582 __ push(eax);
584 __ push(edx); 583 __ push(edx);
585 __ push(ebx); 584 __ push(ebx);
586 585
587 __ mov(ebx, FieldOperand(edi, FixedDoubleArray::kLengthOffset)); 586 __ mov(ebx, FieldOperand(edi, FixedDoubleArray::kLengthOffset));
588 587
589 // Allocate new FixedArray. 588 // Allocate new FixedArray.
590 // ebx: length of source FixedDoubleArray (smi-tagged) 589 // ebx: length of source FixedDoubleArray (smi-tagged)
591 __ lea(edi, Operand(ebx, times_2, FixedArray::kHeaderSize)); 590 __ lea(edi, Operand(ebx, times_2, FixedArray::kHeaderSize));
592 __ AllocateInNewSpace(edi, eax, esi, no_reg, &gc_required, TAG_OBJECT); 591 __ Allocate(edi, eax, esi, no_reg, &gc_required, TAG_OBJECT);
593 592
594 // eax: destination FixedArray 593 // eax: destination FixedArray
595 // ebx: number of elements 594 // ebx: number of elements
596 __ mov(FieldOperand(eax, HeapObject::kMapOffset), 595 __ mov(FieldOperand(eax, HeapObject::kMapOffset),
597 Immediate(masm->isolate()->factory()->fixed_array_map())); 596 Immediate(masm->isolate()->factory()->fixed_array_map()));
598 __ mov(FieldOperand(eax, FixedArray::kLengthOffset), ebx); 597 __ mov(FieldOperand(eax, FixedArray::kLengthOffset), ebx);
599 __ mov(edi, FieldOperand(edx, JSObject::kElementsOffset)); 598 __ mov(edi, FieldOperand(edx, JSObject::kElementsOffset));
600 599
601 __ jmp(&entry); 600 __ jmp(&entry);
602 601
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958 Code* stub = GetCodeAgeStub(age, parity); 957 Code* stub = GetCodeAgeStub(age, parity);
959 CodePatcher patcher(sequence, young_length); 958 CodePatcher patcher(sequence, young_length);
960 patcher.masm()->call(stub->instruction_start(), RelocInfo::NONE32); 959 patcher.masm()->call(stub->instruction_start(), RelocInfo::NONE32);
961 } 960 }
962 } 961 }
963 962
964 963
965 } } // namespace v8::internal 964 } } // namespace v8::internal
966 965
967 #endif // V8_TARGET_ARCH_IA32 966 #endif // V8_TARGET_ARCH_IA32
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