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1 // Copyright 2012 the V8 project authors. All rights reserved.7 | 1 // Copyright 2012 the V8 project authors. All rights reserved.7 |
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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1795 | 1795 |
1796 MemOperand operand = BuildSeqStringOperand(string, instr->index(), encoding); | 1796 MemOperand operand = BuildSeqStringOperand(string, instr->index(), encoding); |
1797 if (encoding == String::ONE_BYTE_ENCODING) { | 1797 if (encoding == String::ONE_BYTE_ENCODING) { |
1798 __ sb(value, operand); | 1798 __ sb(value, operand); |
1799 } else { | 1799 } else { |
1800 __ sh(value, operand); | 1800 __ sh(value, operand); |
1801 } | 1801 } |
1802 } | 1802 } |
1803 | 1803 |
1804 | 1804 |
1805 void LCodeGen::DoThrow(LThrow* instr) { | |
1806 __ push(ToRegister(instr->value())); | |
1807 ASSERT(ToRegister(instr->context()).is(cp)); | |
1808 CallRuntime(Runtime::kThrow, 1, instr); | |
1809 | |
1810 if (FLAG_debug_code) { | |
1811 __ stop("Unreachable code."); | |
1812 } | |
1813 } | |
1814 | |
1815 | |
1816 void LCodeGen::DoAddI(LAddI* instr) { | 1805 void LCodeGen::DoAddI(LAddI* instr) { |
1817 LOperand* left = instr->left(); | 1806 LOperand* left = instr->left(); |
1818 LOperand* right = instr->right(); | 1807 LOperand* right = instr->right(); |
1819 LOperand* result = instr->result(); | 1808 LOperand* result = instr->result(); |
1820 bool can_overflow = instr->hydrogen()->CheckFlag(HValue::kCanOverflow); | 1809 bool can_overflow = instr->hydrogen()->CheckFlag(HValue::kCanOverflow); |
1821 | 1810 |
1822 if (!can_overflow) { | 1811 if (!can_overflow) { |
1823 if (right->IsStackSlot() || right->IsArgument()) { | 1812 if (right->IsStackSlot() || right->IsArgument()) { |
1824 Register right_reg = EmitLoadRegister(right, at); | 1813 Register right_reg = EmitLoadRegister(right, at); |
1825 __ Addu(ToRegister(result), ToRegister(left), Operand(right_reg)); | 1814 __ Addu(ToRegister(result), ToRegister(left), Operand(right_reg)); |
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5780 __ Subu(scratch, result, scratch); | 5769 __ Subu(scratch, result, scratch); |
5781 __ lw(result, FieldMemOperand(scratch, | 5770 __ lw(result, FieldMemOperand(scratch, |
5782 FixedArray::kHeaderSize - kPointerSize)); | 5771 FixedArray::kHeaderSize - kPointerSize)); |
5783 __ bind(&done); | 5772 __ bind(&done); |
5784 } | 5773 } |
5785 | 5774 |
5786 | 5775 |
5787 #undef __ | 5776 #undef __ |
5788 | 5777 |
5789 } } // namespace v8::internal | 5778 } } // namespace v8::internal |
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