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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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| 666 __ CompareRoot(r9, Heap::kHeapNumberMapRootIndex); | 666 __ CompareRoot(r9, Heap::kHeapNumberMapRootIndex); |
| 667 __ j(not_equal, &non_double_value); | 667 __ j(not_equal, &non_double_value); |
| 668 | 668 |
| 669 // Value is a double. Transition FAST_SMI_ELEMENTS -> | 669 // Value is a double. Transition FAST_SMI_ELEMENTS -> |
| 670 // FAST_DOUBLE_ELEMENTS and complete the store. | 670 // FAST_DOUBLE_ELEMENTS and complete the store. |
| 671 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, | 671 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, |
| 672 FAST_DOUBLE_ELEMENTS, | 672 FAST_DOUBLE_ELEMENTS, |
| 673 rbx, | 673 rbx, |
| 674 rdi, | 674 rdi, |
| 675 slow); | 675 slow); |
| 676 AllocationSiteMode mode = AllocationSiteInfo::GetMode(FAST_SMI_ELEMENTS, | 676 AllocationSiteMode mode = AllocationSite::GetMode(FAST_SMI_ELEMENTS, |
| 677 FAST_DOUBLE_ELEMENTS); | 677 FAST_DOUBLE_ELEMENTS); |
| 678 ElementsTransitionGenerator::GenerateSmiToDouble(masm, mode, slow); | 678 ElementsTransitionGenerator::GenerateSmiToDouble(masm, mode, slow); |
| 679 __ movq(rbx, FieldOperand(rdx, JSObject::kElementsOffset)); | 679 __ movq(rbx, FieldOperand(rdx, JSObject::kElementsOffset)); |
| 680 __ jmp(&fast_double_without_map_check); | 680 __ jmp(&fast_double_without_map_check); |
| 681 | 681 |
| 682 __ bind(&non_double_value); | 682 __ bind(&non_double_value); |
| 683 // Value is not a double, FAST_SMI_ELEMENTS -> FAST_ELEMENTS | 683 // Value is not a double, FAST_SMI_ELEMENTS -> FAST_ELEMENTS |
| 684 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, | 684 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, |
| 685 FAST_ELEMENTS, | 685 FAST_ELEMENTS, |
| 686 rbx, | 686 rbx, |
| 687 rdi, | 687 rdi, |
| 688 slow); | 688 slow); |
| 689 mode = AllocationSiteInfo::GetMode(FAST_SMI_ELEMENTS, FAST_ELEMENTS); | 689 mode = AllocationSite::GetMode(FAST_SMI_ELEMENTS, FAST_ELEMENTS); |
| 690 ElementsTransitionGenerator::GenerateMapChangeElementsTransition(masm, mode, | 690 ElementsTransitionGenerator::GenerateMapChangeElementsTransition(masm, mode, |
| 691 slow); | 691 slow); |
| 692 __ movq(rbx, FieldOperand(rdx, JSObject::kElementsOffset)); | 692 __ movq(rbx, FieldOperand(rdx, JSObject::kElementsOffset)); |
| 693 __ jmp(&finish_object_store); | 693 __ jmp(&finish_object_store); |
| 694 | 694 |
| 695 __ bind(&transition_double_elements); | 695 __ bind(&transition_double_elements); |
| 696 // Elements are FAST_DOUBLE_ELEMENTS, but value is an Object that's not a | 696 // Elements are FAST_DOUBLE_ELEMENTS, but value is an Object that's not a |
| 697 // HeapNumber. Make sure that the receiver is a Array with FAST_ELEMENTS and | 697 // HeapNumber. Make sure that the receiver is a Array with FAST_ELEMENTS and |
| 698 // transition array from FAST_DOUBLE_ELEMENTS to FAST_ELEMENTS | 698 // transition array from FAST_DOUBLE_ELEMENTS to FAST_ELEMENTS |
| 699 __ movq(rbx, FieldOperand(rdx, HeapObject::kMapOffset)); | 699 __ movq(rbx, FieldOperand(rdx, HeapObject::kMapOffset)); |
| 700 __ LoadTransitionedArrayMapConditional(FAST_DOUBLE_ELEMENTS, | 700 __ LoadTransitionedArrayMapConditional(FAST_DOUBLE_ELEMENTS, |
| 701 FAST_ELEMENTS, | 701 FAST_ELEMENTS, |
| 702 rbx, | 702 rbx, |
| 703 rdi, | 703 rdi, |
| 704 slow); | 704 slow); |
| 705 mode = AllocationSiteInfo::GetMode(FAST_DOUBLE_ELEMENTS, FAST_ELEMENTS); | 705 mode = AllocationSite::GetMode(FAST_DOUBLE_ELEMENTS, FAST_ELEMENTS); |
| 706 ElementsTransitionGenerator::GenerateDoubleToObject(masm, mode, slow); | 706 ElementsTransitionGenerator::GenerateDoubleToObject(masm, mode, slow); |
| 707 __ movq(rbx, FieldOperand(rdx, JSObject::kElementsOffset)); | 707 __ movq(rbx, FieldOperand(rdx, JSObject::kElementsOffset)); |
| 708 __ jmp(&finish_object_store); | 708 __ jmp(&finish_object_store); |
| 709 } | 709 } |
| 710 | 710 |
| 711 | 711 |
| 712 void KeyedStoreIC::GenerateGeneric(MacroAssembler* masm, | 712 void KeyedStoreIC::GenerateGeneric(MacroAssembler* masm, |
| 713 StrictModeFlag strict_mode) { | 713 StrictModeFlag strict_mode) { |
| 714 // ----------- S t a t e ------------- | 714 // ----------- S t a t e ------------- |
| 715 // -- rax : value | 715 // -- rax : value |
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| 1611 | 1611 |
| 1612 void KeyedStoreIC::GenerateTransitionElementsSmiToDouble(MacroAssembler* masm) { | 1612 void KeyedStoreIC::GenerateTransitionElementsSmiToDouble(MacroAssembler* masm) { |
| 1613 // ----------- S t a t e ------------- | 1613 // ----------- S t a t e ------------- |
| 1614 // -- rbx : target map | 1614 // -- rbx : target map |
| 1615 // -- rdx : receiver | 1615 // -- rdx : receiver |
| 1616 // -- rsp[0] : return address | 1616 // -- rsp[0] : return address |
| 1617 // ----------------------------------- | 1617 // ----------------------------------- |
| 1618 // Must return the modified receiver in eax. | 1618 // Must return the modified receiver in eax. |
| 1619 if (!FLAG_trace_elements_transitions) { | 1619 if (!FLAG_trace_elements_transitions) { |
| 1620 Label fail; | 1620 Label fail; |
| 1621 AllocationSiteMode mode = AllocationSiteInfo::GetMode(FAST_SMI_ELEMENTS, | 1621 AllocationSiteMode mode = AllocationSite::GetMode(FAST_SMI_ELEMENTS, |
| 1622 FAST_DOUBLE_ELEMENTS); | 1622 FAST_DOUBLE_ELEMENTS); |
| 1623 ElementsTransitionGenerator::GenerateSmiToDouble(masm, mode, &fail); | 1623 ElementsTransitionGenerator::GenerateSmiToDouble(masm, mode, &fail); |
| 1624 __ movq(rax, rdx); | 1624 __ movq(rax, rdx); |
| 1625 __ Ret(); | 1625 __ Ret(); |
| 1626 __ bind(&fail); | 1626 __ bind(&fail); |
| 1627 } | 1627 } |
| 1628 | 1628 |
| 1629 __ pop(rbx); | 1629 __ pop(rbx); |
| 1630 __ push(rdx); | 1630 __ push(rdx); |
| 1631 __ push(rbx); // return address | 1631 __ push(rbx); // return address |
| 1632 __ TailCallRuntime(Runtime::kTransitionElementsSmiToDouble, 1, 1); | 1632 __ TailCallRuntime(Runtime::kTransitionElementsSmiToDouble, 1, 1); |
| 1633 } | 1633 } |
| 1634 | 1634 |
| 1635 | 1635 |
| 1636 void KeyedStoreIC::GenerateTransitionElementsDoubleToObject( | 1636 void KeyedStoreIC::GenerateTransitionElementsDoubleToObject( |
| 1637 MacroAssembler* masm) { | 1637 MacroAssembler* masm) { |
| 1638 // ----------- S t a t e ------------- | 1638 // ----------- S t a t e ------------- |
| 1639 // -- rbx : target map | 1639 // -- rbx : target map |
| 1640 // -- rdx : receiver | 1640 // -- rdx : receiver |
| 1641 // -- rsp[0] : return address | 1641 // -- rsp[0] : return address |
| 1642 // ----------------------------------- | 1642 // ----------------------------------- |
| 1643 // Must return the modified receiver in eax. | 1643 // Must return the modified receiver in eax. |
| 1644 if (!FLAG_trace_elements_transitions) { | 1644 if (!FLAG_trace_elements_transitions) { |
| 1645 Label fail; | 1645 Label fail; |
| 1646 AllocationSiteMode mode = AllocationSiteInfo::GetMode(FAST_DOUBLE_ELEMENTS, | 1646 AllocationSiteMode mode = AllocationSite::GetMode(FAST_DOUBLE_ELEMENTS, |
| 1647 FAST_ELEMENTS); | 1647 FAST_ELEMENTS); |
| 1648 ElementsTransitionGenerator::GenerateDoubleToObject(masm, mode, &fail); | 1648 ElementsTransitionGenerator::GenerateDoubleToObject(masm, mode, &fail); |
| 1649 __ movq(rax, rdx); | 1649 __ movq(rax, rdx); |
| 1650 __ Ret(); | 1650 __ Ret(); |
| 1651 __ bind(&fail); | 1651 __ bind(&fail); |
| 1652 } | 1652 } |
| 1653 | 1653 |
| 1654 __ pop(rbx); | 1654 __ pop(rbx); |
| 1655 __ push(rdx); | 1655 __ push(rdx); |
| 1656 __ push(rbx); // return address | 1656 __ push(rbx); // return address |
| 1657 __ TailCallRuntime(Runtime::kTransitionElementsDoubleToObject, 1, 1); | 1657 __ TailCallRuntime(Runtime::kTransitionElementsDoubleToObject, 1, 1); |
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| 1725 Condition cc = (check == ENABLE_INLINED_SMI_CHECK) | 1725 Condition cc = (check == ENABLE_INLINED_SMI_CHECK) |
| 1726 ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero) | 1726 ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero) |
| 1727 : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry); | 1727 : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry); |
| 1728 *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc); | 1728 *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc); |
| 1729 } | 1729 } |
| 1730 | 1730 |
| 1731 | 1731 |
| 1732 } } // namespace v8::internal | 1732 } } // namespace v8::internal |
| 1733 | 1733 |
| 1734 #endif // V8_TARGET_ARCH_X64 | 1734 #endif // V8_TARGET_ARCH_X64 |
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