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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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1603 | 1603 |
1604 // Do tail-call to runtime routine. | 1604 // Do tail-call to runtime routine. |
1605 ExternalReference ref = miss_mode == MISS_FORCE_GENERIC | 1605 ExternalReference ref = miss_mode == MISS_FORCE_GENERIC |
1606 ? ExternalReference(IC_Utility(kKeyedStoreIC_MissForceGeneric), | 1606 ? ExternalReference(IC_Utility(kKeyedStoreIC_MissForceGeneric), |
1607 masm->isolate()) | 1607 masm->isolate()) |
1608 : ExternalReference(IC_Utility(kKeyedStoreIC_Miss), masm->isolate()); | 1608 : ExternalReference(IC_Utility(kKeyedStoreIC_Miss), masm->isolate()); |
1609 __ TailCallExternalReference(ref, 3, 1); | 1609 __ TailCallExternalReference(ref, 3, 1); |
1610 } | 1610 } |
1611 | 1611 |
1612 | 1612 |
1613 void KeyedStoreIC::GenerateTransitionElementsSmiToDouble(MacroAssembler* masm) { | |
1614 // ----------- S t a t e ------------- | |
1615 // -- rbx : target map | |
1616 // -- rdx : receiver | |
1617 // -- rsp[0] : return address | |
1618 // ----------------------------------- | |
1619 // Must return the modified receiver in eax. | |
1620 if (!FLAG_trace_elements_transitions) { | |
1621 Label fail; | |
1622 AllocationSiteMode mode = AllocationSite::GetMode(FAST_SMI_ELEMENTS, | |
1623 FAST_DOUBLE_ELEMENTS); | |
1624 ElementsTransitionGenerator::GenerateSmiToDouble(masm, mode, &fail); | |
1625 __ movq(rax, rdx); | |
1626 __ Ret(); | |
1627 __ bind(&fail); | |
1628 } | |
1629 | |
1630 __ pop(rbx); | |
1631 __ push(rdx); | |
1632 __ push(rbx); // return address | |
1633 __ TailCallRuntime(Runtime::kTransitionElementsSmiToDouble, 1, 1); | |
1634 } | |
1635 | |
1636 | |
1637 void KeyedStoreIC::GenerateTransitionElementsDoubleToObject( | |
1638 MacroAssembler* masm) { | |
1639 // ----------- S t a t e ------------- | |
1640 // -- rbx : target map | |
1641 // -- rdx : receiver | |
1642 // -- rsp[0] : return address | |
1643 // ----------------------------------- | |
1644 // Must return the modified receiver in eax. | |
1645 if (!FLAG_trace_elements_transitions) { | |
1646 Label fail; | |
1647 AllocationSiteMode mode = AllocationSite::GetMode(FAST_DOUBLE_ELEMENTS, | |
1648 FAST_ELEMENTS); | |
1649 ElementsTransitionGenerator::GenerateDoubleToObject(masm, mode, &fail); | |
1650 __ movq(rax, rdx); | |
1651 __ Ret(); | |
1652 __ bind(&fail); | |
1653 } | |
1654 | |
1655 __ pop(rbx); | |
1656 __ push(rdx); | |
1657 __ push(rbx); // return address | |
1658 __ TailCallRuntime(Runtime::kTransitionElementsDoubleToObject, 1, 1); | |
1659 } | |
1660 | |
1661 | |
1662 #undef __ | 1613 #undef __ |
1663 | 1614 |
1664 | 1615 |
1665 Condition CompareIC::ComputeCondition(Token::Value op) { | 1616 Condition CompareIC::ComputeCondition(Token::Value op) { |
1666 switch (op) { | 1617 switch (op) { |
1667 case Token::EQ_STRICT: | 1618 case Token::EQ_STRICT: |
1668 case Token::EQ: | 1619 case Token::EQ: |
1669 return equal; | 1620 return equal; |
1670 case Token::LT: | 1621 case Token::LT: |
1671 return less; | 1622 return less; |
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1726 Condition cc = (check == ENABLE_INLINED_SMI_CHECK) | 1677 Condition cc = (check == ENABLE_INLINED_SMI_CHECK) |
1727 ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero) | 1678 ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero) |
1728 : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry); | 1679 : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry); |
1729 *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc); | 1680 *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc); |
1730 } | 1681 } |
1731 | 1682 |
1732 | 1683 |
1733 } } // namespace v8::internal | 1684 } } // namespace v8::internal |
1734 | 1685 |
1735 #endif // V8_TARGET_ARCH_X64 | 1686 #endif // V8_TARGET_ARCH_X64 |
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