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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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3140 __ bind(&done); | 3140 __ bind(&done); |
3141 } | 3141 } |
3142 | 3142 |
3143 | 3143 |
3144 void LCodeGen::DoLoadRoot(LLoadRoot* instr) { | 3144 void LCodeGen::DoLoadRoot(LLoadRoot* instr) { |
3145 Register result = ToRegister(instr->result()); | 3145 Register result = ToRegister(instr->result()); |
3146 __ LoadRoot(result, instr->index()); | 3146 __ LoadRoot(result, instr->index()); |
3147 } | 3147 } |
3148 | 3148 |
3149 | 3149 |
3150 void LCodeGen::DoLoadExternalArrayPointer( | |
3151 LLoadExternalArrayPointer* instr) { | |
3152 Register to_reg = ToRegister(instr->result()); | |
3153 Register from_reg = ToRegister(instr->object()); | |
3154 __ ldr(to_reg, FieldMemOperand(from_reg, | |
3155 ExternalArray::kExternalPointerOffset)); | |
3156 } | |
3157 | |
3158 | |
3159 void LCodeGen::DoAccessArgumentsAt(LAccessArgumentsAt* instr) { | 3150 void LCodeGen::DoAccessArgumentsAt(LAccessArgumentsAt* instr) { |
3160 Register arguments = ToRegister(instr->arguments()); | 3151 Register arguments = ToRegister(instr->arguments()); |
3161 Register result = ToRegister(instr->result()); | 3152 Register result = ToRegister(instr->result()); |
3162 // There are two words between the frame pointer and the last argument. | 3153 // There are two words between the frame pointer and the last argument. |
3163 // Subtracting from length accounts for one of them add one more. | 3154 // Subtracting from length accounts for one of them add one more. |
3164 if (instr->length()->IsConstantOperand()) { | 3155 if (instr->length()->IsConstantOperand()) { |
3165 int const_length = ToInteger32(LConstantOperand::cast(instr->length())); | 3156 int const_length = ToInteger32(LConstantOperand::cast(instr->length())); |
3166 if (instr->index()->IsConstantOperand()) { | 3157 if (instr->index()->IsConstantOperand()) { |
3167 int const_index = ToInteger32(LConstantOperand::cast(instr->index())); | 3158 int const_index = ToInteger32(LConstantOperand::cast(instr->index())); |
3168 int index = (const_length - const_index) + 1; | 3159 int index = (const_length - const_index) + 1; |
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5818 __ sub(scratch, result, Operand::PointerOffsetFromSmiKey(index)); | 5809 __ sub(scratch, result, Operand::PointerOffsetFromSmiKey(index)); |
5819 __ ldr(result, FieldMemOperand(scratch, | 5810 __ ldr(result, FieldMemOperand(scratch, |
5820 FixedArray::kHeaderSize - kPointerSize)); | 5811 FixedArray::kHeaderSize - kPointerSize)); |
5821 __ bind(&done); | 5812 __ bind(&done); |
5822 } | 5813 } |
5823 | 5814 |
5824 | 5815 |
5825 #undef __ | 5816 #undef __ |
5826 | 5817 |
5827 } } // namespace v8::internal | 5818 } } // namespace v8::internal |
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