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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 |
| (...skipping 5033 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 5044 __ LoadRoot(ip, Heap::kUndefinedValueRootIndex); | 5044 __ LoadRoot(ip, Heap::kUndefinedValueRootIndex); |
| 5045 __ cmp(input_reg, Operand(ip)); | 5045 __ cmp(input_reg, Operand(ip)); |
| 5046 DeoptimizeIf(ne, instr->environment()); | 5046 DeoptimizeIf(ne, instr->environment()); |
| 5047 __ mov(input_reg, Operand::Zero()); | 5047 __ mov(input_reg, Operand::Zero()); |
| 5048 __ b(&done); | 5048 __ b(&done); |
| 5049 | 5049 |
| 5050 __ bind(&heap_number); | 5050 __ bind(&heap_number); |
| 5051 __ sub(scratch1, input_reg, Operand(kHeapObjectTag)); | 5051 __ sub(scratch1, input_reg, Operand(kHeapObjectTag)); |
| 5052 __ vldr(double_scratch2, scratch1, HeapNumber::kValueOffset); | 5052 __ vldr(double_scratch2, scratch1, HeapNumber::kValueOffset); |
| 5053 | 5053 |
| 5054 __ ECMAToInt32(input_reg, double_scratch2, double_scratch, | 5054 __ ECMAToInt32(input_reg, double_scratch2, |
| 5055 scratch1, scratch2, scratch3); | 5055 scratch1, scratch2, scratch3, double_scratch); |
| 5056 | 5056 |
| 5057 } else { | 5057 } else { |
| 5058 // Deoptimize if we don't have a heap number. | 5058 // Deoptimize if we don't have a heap number. |
| 5059 DeoptimizeIf(ne, instr->environment()); | 5059 DeoptimizeIf(ne, instr->environment()); |
| 5060 | 5060 |
| 5061 __ sub(ip, input_reg, Operand(kHeapObjectTag)); | 5061 __ sub(ip, input_reg, Operand(kHeapObjectTag)); |
| 5062 __ vldr(double_scratch, ip, HeapNumber::kValueOffset); | 5062 __ vldr(double_scratch, ip, HeapNumber::kValueOffset); |
| 5063 __ TryDoubleToInt32Exact(input_reg, double_scratch, double_scratch2); | 5063 __ TryDoubleToInt32Exact(input_reg, double_scratch, double_scratch2); |
| 5064 DeoptimizeIf(ne, instr->environment()); | 5064 DeoptimizeIf(ne, instr->environment()); |
| 5065 | 5065 |
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| 5142 Register result_reg = ToRegister(instr->result()); | 5142 Register result_reg = ToRegister(instr->result()); |
| 5143 Register scratch1 = scratch0(); | 5143 Register scratch1 = scratch0(); |
| 5144 Register scratch2 = ToRegister(instr->temp()); | 5144 Register scratch2 = ToRegister(instr->temp()); |
| 5145 DwVfpRegister double_input = ToDoubleRegister(instr->value()); | 5145 DwVfpRegister double_input = ToDoubleRegister(instr->value()); |
| 5146 DwVfpRegister double_scratch = double_scratch0(); | 5146 DwVfpRegister double_scratch = double_scratch0(); |
| 5147 | 5147 |
| 5148 Label done; | 5148 Label done; |
| 5149 | 5149 |
| 5150 if (instr->truncating()) { | 5150 if (instr->truncating()) { |
| 5151 Register scratch3 = ToRegister(instr->temp2()); | 5151 Register scratch3 = ToRegister(instr->temp2()); |
| 5152 __ ECMAToInt32(result_reg, double_input, double_scratch, | 5152 __ ECMAToInt32(result_reg, double_input, |
| 5153 scratch1, scratch2, scratch3); | 5153 scratch1, scratch2, scratch3, double_scratch); |
| 5154 } else { | 5154 } else { |
| 5155 __ TryDoubleToInt32Exact(result_reg, double_input, double_scratch); | 5155 __ TryDoubleToInt32Exact(result_reg, double_input, double_scratch); |
| 5156 // Deoptimize if the input wasn't a int32 (inside a double). | 5156 // Deoptimize if the input wasn't a int32 (inside a double). |
| 5157 DeoptimizeIf(ne, instr->environment()); | 5157 DeoptimizeIf(ne, instr->environment()); |
| 5158 } | 5158 } |
| 5159 __ bind(&done); | 5159 __ bind(&done); |
| 5160 } | 5160 } |
| 5161 | 5161 |
| 5162 | 5162 |
| 5163 void LCodeGen::DoCheckSmi(LCheckSmi* instr) { | 5163 void LCodeGen::DoCheckSmi(LCheckSmi* instr) { |
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| 6008 __ sub(scratch, result, Operand(index, LSL, kPointerSizeLog2 - kSmiTagSize)); | 6008 __ sub(scratch, result, Operand(index, LSL, kPointerSizeLog2 - kSmiTagSize)); |
| 6009 __ ldr(result, FieldMemOperand(scratch, | 6009 __ ldr(result, FieldMemOperand(scratch, |
| 6010 FixedArray::kHeaderSize - kPointerSize)); | 6010 FixedArray::kHeaderSize - kPointerSize)); |
| 6011 __ bind(&done); | 6011 __ bind(&done); |
| 6012 } | 6012 } |
| 6013 | 6013 |
| 6014 | 6014 |
| 6015 #undef __ | 6015 #undef __ |
| 6016 | 6016 |
| 6017 } } // namespace v8::internal | 6017 } } // namespace v8::internal |
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