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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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1584 __ push(ecx); | 1584 __ push(ecx); |
1585 __ push(eax); | 1585 __ push(eax); |
1586 __ push(ebx); // return address | 1586 __ push(ebx); // return address |
1587 | 1587 |
1588 // Do tail-call to runtime routine. | 1588 // Do tail-call to runtime routine. |
1589 ExternalReference ref(IC_Utility(kKeyedStoreIC_Slow), masm->isolate()); | 1589 ExternalReference ref(IC_Utility(kKeyedStoreIC_Slow), masm->isolate()); |
1590 __ TailCallExternalReference(ref, 3, 1); | 1590 __ TailCallExternalReference(ref, 3, 1); |
1591 } | 1591 } |
1592 | 1592 |
1593 | 1593 |
| 1594 void KeyedStoreIC::GenerateTransitionElementsSmiToDouble(MacroAssembler* masm) { |
| 1595 // ----------- S t a t e ------------- |
| 1596 // -- ebx : target map |
| 1597 // -- edx : receiver |
| 1598 // -- esp[0] : return address |
| 1599 // ----------------------------------- |
| 1600 // Must return the modified receiver in eax. |
| 1601 if (!FLAG_trace_elements_transitions) { |
| 1602 Label fail; |
| 1603 AllocationSiteMode mode = AllocationSite::GetMode(FAST_SMI_ELEMENTS, |
| 1604 FAST_DOUBLE_ELEMENTS); |
| 1605 ElementsTransitionGenerator::GenerateSmiToDouble(masm, mode, &fail); |
| 1606 __ mov(eax, edx); |
| 1607 __ Ret(); |
| 1608 __ bind(&fail); |
| 1609 } |
| 1610 |
| 1611 __ pop(ebx); |
| 1612 __ push(edx); |
| 1613 __ push(ebx); // return address |
| 1614 // Leaving the code managed by the register allocator and return to the |
| 1615 // convention of using esi as context register. |
| 1616 __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); |
| 1617 __ TailCallRuntime(Runtime::kTransitionElementsSmiToDouble, 1, 1); |
| 1618 } |
| 1619 |
| 1620 |
| 1621 void KeyedStoreIC::GenerateTransitionElementsDoubleToObject( |
| 1622 MacroAssembler* masm) { |
| 1623 // ----------- S t a t e ------------- |
| 1624 // -- ebx : target map |
| 1625 // -- edx : receiver |
| 1626 // -- esp[0] : return address |
| 1627 // ----------------------------------- |
| 1628 // Must return the modified receiver in eax. |
| 1629 if (!FLAG_trace_elements_transitions) { |
| 1630 Label fail; |
| 1631 AllocationSiteMode mode = AllocationSite::GetMode(FAST_DOUBLE_ELEMENTS, |
| 1632 FAST_ELEMENTS); |
| 1633 ElementsTransitionGenerator::GenerateDoubleToObject(masm, mode, &fail); |
| 1634 __ mov(eax, edx); |
| 1635 __ Ret(); |
| 1636 __ bind(&fail); |
| 1637 } |
| 1638 |
| 1639 __ pop(ebx); |
| 1640 __ push(edx); |
| 1641 __ push(ebx); // return address |
| 1642 // Leaving the code managed by the register allocator and return to the |
| 1643 // convention of using esi as context register. |
| 1644 __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); |
| 1645 __ TailCallRuntime(Runtime::kTransitionElementsDoubleToObject, 1, 1); |
| 1646 } |
| 1647 |
| 1648 |
1594 #undef __ | 1649 #undef __ |
1595 | 1650 |
1596 | 1651 |
1597 Condition CompareIC::ComputeCondition(Token::Value op) { | 1652 Condition CompareIC::ComputeCondition(Token::Value op) { |
1598 switch (op) { | 1653 switch (op) { |
1599 case Token::EQ_STRICT: | 1654 case Token::EQ_STRICT: |
1600 case Token::EQ: | 1655 case Token::EQ: |
1601 return equal; | 1656 return equal; |
1602 case Token::LT: | 1657 case Token::LT: |
1603 return less; | 1658 return less; |
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1658 Condition cc = (check == ENABLE_INLINED_SMI_CHECK) | 1713 Condition cc = (check == ENABLE_INLINED_SMI_CHECK) |
1659 ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero) | 1714 ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero) |
1660 : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry); | 1715 : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry); |
1661 *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc); | 1716 *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc); |
1662 } | 1717 } |
1663 | 1718 |
1664 | 1719 |
1665 } } // namespace v8::internal | 1720 } } // namespace v8::internal |
1666 | 1721 |
1667 #endif // V8_TARGET_ARCH_IA32 | 1722 #endif // V8_TARGET_ARCH_IA32 |
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