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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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