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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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790 &non_double_value, | 790 &non_double_value, |
791 DONT_DO_SMI_CHECK); | 791 DONT_DO_SMI_CHECK); |
792 | 792 |
793 // Value is a double. Transition FAST_SMI_ELEMENTS -> FAST_DOUBLE_ELEMENTS | 793 // Value is a double. Transition FAST_SMI_ELEMENTS -> FAST_DOUBLE_ELEMENTS |
794 // and complete the store. | 794 // and complete the store. |
795 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, | 795 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, |
796 FAST_DOUBLE_ELEMENTS, | 796 FAST_DOUBLE_ELEMENTS, |
797 ebx, | 797 ebx, |
798 edi, | 798 edi, |
799 slow); | 799 slow); |
800 AllocationSiteMode mode = AllocationSiteInfo::GetMode(FAST_SMI_ELEMENTS, | 800 AllocationSiteMode mode = AllocationSite::GetMode(FAST_SMI_ELEMENTS, |
801 FAST_DOUBLE_ELEMENTS); | 801 FAST_DOUBLE_ELEMENTS); |
802 ElementsTransitionGenerator::GenerateSmiToDouble(masm, mode, slow); | 802 ElementsTransitionGenerator::GenerateSmiToDouble(masm, mode, slow); |
803 __ mov(ebx, FieldOperand(edx, JSObject::kElementsOffset)); | 803 __ mov(ebx, FieldOperand(edx, JSObject::kElementsOffset)); |
804 __ jmp(&fast_double_without_map_check); | 804 __ jmp(&fast_double_without_map_check); |
805 | 805 |
806 __ bind(&non_double_value); | 806 __ bind(&non_double_value); |
807 // Value is not a double, FAST_SMI_ELEMENTS -> FAST_ELEMENTS | 807 // Value is not a double, FAST_SMI_ELEMENTS -> FAST_ELEMENTS |
808 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, | 808 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, |
809 FAST_ELEMENTS, | 809 FAST_ELEMENTS, |
810 ebx, | 810 ebx, |
811 edi, | 811 edi, |
812 slow); | 812 slow); |
813 mode = AllocationSiteInfo::GetMode(FAST_SMI_ELEMENTS, FAST_ELEMENTS); | 813 mode = AllocationSite::GetMode(FAST_SMI_ELEMENTS, FAST_ELEMENTS); |
814 ElementsTransitionGenerator::GenerateMapChangeElementsTransition(masm, mode, | 814 ElementsTransitionGenerator::GenerateMapChangeElementsTransition(masm, mode, |
815 slow); | 815 slow); |
816 __ mov(ebx, FieldOperand(edx, JSObject::kElementsOffset)); | 816 __ mov(ebx, FieldOperand(edx, JSObject::kElementsOffset)); |
817 __ jmp(&finish_object_store); | 817 __ jmp(&finish_object_store); |
818 | 818 |
819 __ bind(&transition_double_elements); | 819 __ bind(&transition_double_elements); |
820 // Elements are FAST_DOUBLE_ELEMENTS, but value is an Object that's not a | 820 // Elements are FAST_DOUBLE_ELEMENTS, but value is an Object that's not a |
821 // HeapNumber. Make sure that the receiver is a Array with FAST_ELEMENTS and | 821 // HeapNumber. Make sure that the receiver is a Array with FAST_ELEMENTS and |
822 // transition array from FAST_DOUBLE_ELEMENTS to FAST_ELEMENTS | 822 // transition array from FAST_DOUBLE_ELEMENTS to FAST_ELEMENTS |
823 __ mov(ebx, FieldOperand(edx, HeapObject::kMapOffset)); | 823 __ mov(ebx, FieldOperand(edx, HeapObject::kMapOffset)); |
824 __ LoadTransitionedArrayMapConditional(FAST_DOUBLE_ELEMENTS, | 824 __ LoadTransitionedArrayMapConditional(FAST_DOUBLE_ELEMENTS, |
825 FAST_ELEMENTS, | 825 FAST_ELEMENTS, |
826 ebx, | 826 ebx, |
827 edi, | 827 edi, |
828 slow); | 828 slow); |
829 mode = AllocationSiteInfo::GetMode(FAST_DOUBLE_ELEMENTS, FAST_ELEMENTS); | 829 mode = AllocationSite::GetMode(FAST_DOUBLE_ELEMENTS, FAST_ELEMENTS); |
830 ElementsTransitionGenerator::GenerateDoubleToObject(masm, mode, slow); | 830 ElementsTransitionGenerator::GenerateDoubleToObject(masm, mode, slow); |
831 __ mov(ebx, FieldOperand(edx, JSObject::kElementsOffset)); | 831 __ mov(ebx, FieldOperand(edx, JSObject::kElementsOffset)); |
832 __ jmp(&finish_object_store); | 832 __ jmp(&finish_object_store); |
833 } | 833 } |
834 | 834 |
835 | 835 |
836 void KeyedStoreIC::GenerateGeneric(MacroAssembler* masm, | 836 void KeyedStoreIC::GenerateGeneric(MacroAssembler* masm, |
837 StrictModeFlag strict_mode) { | 837 StrictModeFlag strict_mode) { |
838 // ----------- S t a t e ------------- | 838 // ----------- S t a t e ------------- |
839 // -- eax : value | 839 // -- eax : value |
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1590 | 1590 |
1591 void KeyedStoreIC::GenerateTransitionElementsSmiToDouble(MacroAssembler* masm) { | 1591 void KeyedStoreIC::GenerateTransitionElementsSmiToDouble(MacroAssembler* masm) { |
1592 // ----------- S t a t e ------------- | 1592 // ----------- S t a t e ------------- |
1593 // -- ebx : target map | 1593 // -- ebx : target map |
1594 // -- edx : receiver | 1594 // -- edx : receiver |
1595 // -- esp[0] : return address | 1595 // -- esp[0] : return address |
1596 // ----------------------------------- | 1596 // ----------------------------------- |
1597 // Must return the modified receiver in eax. | 1597 // Must return the modified receiver in eax. |
1598 if (!FLAG_trace_elements_transitions) { | 1598 if (!FLAG_trace_elements_transitions) { |
1599 Label fail; | 1599 Label fail; |
1600 AllocationSiteMode mode = AllocationSiteInfo::GetMode(FAST_SMI_ELEMENTS, | 1600 AllocationSiteMode mode = AllocationSite::GetMode(FAST_SMI_ELEMENTS, |
1601 FAST_DOUBLE_ELEMENTS); | 1601 FAST_DOUBLE_ELEMENTS); |
1602 ElementsTransitionGenerator::GenerateSmiToDouble(masm, mode, &fail); | 1602 ElementsTransitionGenerator::GenerateSmiToDouble(masm, mode, &fail); |
1603 __ mov(eax, edx); | 1603 __ mov(eax, edx); |
1604 __ Ret(); | 1604 __ Ret(); |
1605 __ bind(&fail); | 1605 __ bind(&fail); |
1606 } | 1606 } |
1607 | 1607 |
1608 __ pop(ebx); | 1608 __ pop(ebx); |
1609 __ push(edx); | 1609 __ push(edx); |
1610 __ push(ebx); // return address | 1610 __ push(ebx); // return address |
1611 // Leaving the code managed by the register allocator and return to the | 1611 // Leaving the code managed by the register allocator and return to the |
1612 // convention of using esi as context register. | 1612 // convention of using esi as context register. |
1613 __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); | 1613 __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); |
1614 __ TailCallRuntime(Runtime::kTransitionElementsSmiToDouble, 1, 1); | 1614 __ TailCallRuntime(Runtime::kTransitionElementsSmiToDouble, 1, 1); |
1615 } | 1615 } |
1616 | 1616 |
1617 | 1617 |
1618 void KeyedStoreIC::GenerateTransitionElementsDoubleToObject( | 1618 void KeyedStoreIC::GenerateTransitionElementsDoubleToObject( |
1619 MacroAssembler* masm) { | 1619 MacroAssembler* masm) { |
1620 // ----------- S t a t e ------------- | 1620 // ----------- S t a t e ------------- |
1621 // -- ebx : target map | 1621 // -- ebx : target map |
1622 // -- edx : receiver | 1622 // -- edx : receiver |
1623 // -- esp[0] : return address | 1623 // -- esp[0] : return address |
1624 // ----------------------------------- | 1624 // ----------------------------------- |
1625 // Must return the modified receiver in eax. | 1625 // Must return the modified receiver in eax. |
1626 if (!FLAG_trace_elements_transitions) { | 1626 if (!FLAG_trace_elements_transitions) { |
1627 Label fail; | 1627 Label fail; |
1628 AllocationSiteMode mode = AllocationSiteInfo::GetMode(FAST_DOUBLE_ELEMENTS, | 1628 AllocationSiteMode mode = AllocationSite::GetMode(FAST_DOUBLE_ELEMENTS, |
1629 FAST_ELEMENTS); | 1629 FAST_ELEMENTS); |
1630 ElementsTransitionGenerator::GenerateDoubleToObject(masm, mode, &fail); | 1630 ElementsTransitionGenerator::GenerateDoubleToObject(masm, mode, &fail); |
1631 __ mov(eax, edx); | 1631 __ mov(eax, edx); |
1632 __ Ret(); | 1632 __ Ret(); |
1633 __ bind(&fail); | 1633 __ bind(&fail); |
1634 } | 1634 } |
1635 | 1635 |
1636 __ pop(ebx); | 1636 __ pop(ebx); |
1637 __ push(edx); | 1637 __ push(edx); |
1638 __ push(ebx); // return address | 1638 __ push(ebx); // return address |
1639 // Leaving the code managed by the register allocator and return to the | 1639 // Leaving the code managed by the register allocator and return to the |
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1710 Condition cc = (check == ENABLE_INLINED_SMI_CHECK) | 1710 Condition cc = (check == ENABLE_INLINED_SMI_CHECK) |
1711 ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero) | 1711 ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero) |
1712 : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry); | 1712 : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry); |
1713 *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc); | 1713 *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc); |
1714 } | 1714 } |
1715 | 1715 |
1716 | 1716 |
1717 } } // namespace v8::internal | 1717 } } // namespace v8::internal |
1718 | 1718 |
1719 #endif // V8_TARGET_ARCH_IA32 | 1719 #endif // V8_TARGET_ARCH_IA32 |
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