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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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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1774 Comment("Unreachable code."); | 1774 Comment("Unreachable code."); |
1775 __ int3(); | 1775 __ int3(); |
1776 } | 1776 } |
1777 } | 1777 } |
1778 | 1778 |
1779 | 1779 |
1780 void LCodeGen::DoAddI(LAddI* instr) { | 1780 void LCodeGen::DoAddI(LAddI* instr) { |
1781 LOperand* left = instr->left(); | 1781 LOperand* left = instr->left(); |
1782 LOperand* right = instr->right(); | 1782 LOperand* right = instr->right(); |
1783 | 1783 |
| 1784 Representation target_rep = instr->hydrogen()->representation(); |
| 1785 bool is_q = target_rep.IsSmi() || target_rep.IsExternal(); |
| 1786 |
1784 if (LAddI::UseLea(instr->hydrogen()) && !left->Equals(instr->result())) { | 1787 if (LAddI::UseLea(instr->hydrogen()) && !left->Equals(instr->result())) { |
1785 if (right->IsConstantOperand()) { | 1788 if (right->IsConstantOperand()) { |
1786 int32_t offset = ToInteger32(LConstantOperand::cast(right)); | 1789 int32_t offset = ToInteger32(LConstantOperand::cast(right)); |
1787 __ leal(ToRegister(instr->result()), | 1790 if (is_q) { |
1788 MemOperand(ToRegister(left), offset)); | 1791 __ lea(ToRegister(instr->result()), |
| 1792 MemOperand(ToRegister(left), offset)); |
| 1793 } else { |
| 1794 __ leal(ToRegister(instr->result()), |
| 1795 MemOperand(ToRegister(left), offset)); |
| 1796 } |
1789 } else { | 1797 } else { |
1790 Operand address(ToRegister(left), ToRegister(right), times_1, 0); | 1798 Operand address(ToRegister(left), ToRegister(right), times_1, 0); |
1791 if (instr->hydrogen()->representation().IsSmi()) { | 1799 if (is_q) { |
1792 __ lea(ToRegister(instr->result()), address); | 1800 __ lea(ToRegister(instr->result()), address); |
1793 } else { | 1801 } else { |
1794 __ leal(ToRegister(instr->result()), address); | 1802 __ leal(ToRegister(instr->result()), address); |
1795 } | 1803 } |
1796 } | 1804 } |
1797 } else { | 1805 } else { |
1798 if (right->IsConstantOperand()) { | 1806 if (right->IsConstantOperand()) { |
1799 __ addl(ToRegister(left), | 1807 if (is_q) { |
1800 Immediate(ToInteger32(LConstantOperand::cast(right)))); | 1808 __ addq(ToRegister(left), |
| 1809 Immediate(ToInteger32(LConstantOperand::cast(right)))); |
| 1810 } else { |
| 1811 __ addl(ToRegister(left), |
| 1812 Immediate(ToInteger32(LConstantOperand::cast(right)))); |
| 1813 } |
1801 } else if (right->IsRegister()) { | 1814 } else if (right->IsRegister()) { |
1802 if (instr->hydrogen_value()->representation().IsSmi()) { | 1815 if (is_q) { |
1803 __ addq(ToRegister(left), ToRegister(right)); | 1816 __ addq(ToRegister(left), ToRegister(right)); |
1804 } else { | 1817 } else { |
1805 __ addl(ToRegister(left), ToRegister(right)); | 1818 __ addl(ToRegister(left), ToRegister(right)); |
1806 } | 1819 } |
1807 } else { | 1820 } else { |
1808 if (instr->hydrogen_value()->representation().IsSmi()) { | 1821 if (is_q) { |
1809 __ addq(ToRegister(left), ToOperand(right)); | 1822 __ addq(ToRegister(left), ToOperand(right)); |
1810 } else { | 1823 } else { |
1811 __ addl(ToRegister(left), ToOperand(right)); | 1824 __ addl(ToRegister(left), ToOperand(right)); |
1812 } | 1825 } |
1813 } | 1826 } |
1814 if (instr->hydrogen()->CheckFlag(HValue::kCanOverflow)) { | 1827 if (instr->hydrogen()->CheckFlag(HValue::kCanOverflow)) { |
1815 DeoptimizeIf(overflow, instr->environment()); | 1828 DeoptimizeIf(overflow, instr->environment()); |
1816 } | 1829 } |
1817 } | 1830 } |
1818 } | 1831 } |
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5686 FixedArray::kHeaderSize - kPointerSize)); | 5699 FixedArray::kHeaderSize - kPointerSize)); |
5687 __ bind(&done); | 5700 __ bind(&done); |
5688 } | 5701 } |
5689 | 5702 |
5690 | 5703 |
5691 #undef __ | 5704 #undef __ |
5692 | 5705 |
5693 } } // namespace v8::internal | 5706 } } // namespace v8::internal |
5694 | 5707 |
5695 #endif // V8_TARGET_ARCH_X64 | 5708 #endif // V8_TARGET_ARCH_X64 |
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