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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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2222 __ Bind(&is_heap_number); | 2222 __ Bind(&is_heap_number); |
2223 DoubleRegister dbl_scratch = double_scratch(); | 2223 DoubleRegister dbl_scratch = double_scratch(); |
2224 DoubleRegister dbl_scratch2 = ToDoubleRegister(instr->temp2()); | 2224 DoubleRegister dbl_scratch2 = ToDoubleRegister(instr->temp2()); |
2225 __ Ldr(dbl_scratch, FieldMemOperand(input, HeapNumber::kValueOffset)); | 2225 __ Ldr(dbl_scratch, FieldMemOperand(input, HeapNumber::kValueOffset)); |
2226 __ ClampDoubleToUint8(result, dbl_scratch, dbl_scratch2); | 2226 __ ClampDoubleToUint8(result, dbl_scratch, dbl_scratch2); |
2227 | 2227 |
2228 __ Bind(&done); | 2228 __ Bind(&done); |
2229 } | 2229 } |
2230 | 2230 |
2231 | 2231 |
| 2232 void LCodeGen::DoDoubleBits(LDoubleBits* instr) { |
| 2233 DoubleRegister value_reg = ToDoubleRegister(instr->value()); |
| 2234 Register result_reg = ToRegister(instr->result()); |
| 2235 if (instr->hydrogen()->bits() == HDoubleBits::HIGH) { |
| 2236 __ Fmov(result_reg, value_reg); |
| 2237 __ Mov(result_reg, Operand(result_reg, LSR, 32)); |
| 2238 } else { |
| 2239 __ Fmov(result_reg.W(), value_reg.S()); |
| 2240 } |
| 2241 } |
| 2242 |
| 2243 |
| 2244 void LCodeGen::DoConstructDouble(LConstructDouble* instr) { |
| 2245 Register hi_reg = ToRegister(instr->hi()); |
| 2246 Register lo_reg = ToRegister(instr->lo()); |
| 2247 Register temp = ToRegister(instr->temp()); |
| 2248 DoubleRegister result_reg = ToDoubleRegister(instr->result()); |
| 2249 |
| 2250 __ And(temp, lo_reg, Operand(0xffffffff)); |
| 2251 __ Orr(temp, temp, Operand(hi_reg, LSL, 32)); |
| 2252 __ Fmov(result_reg, temp); |
| 2253 } |
| 2254 |
| 2255 |
2232 void LCodeGen::DoClassOfTestAndBranch(LClassOfTestAndBranch* instr) { | 2256 void LCodeGen::DoClassOfTestAndBranch(LClassOfTestAndBranch* instr) { |
2233 Handle<String> class_name = instr->hydrogen()->class_name(); | 2257 Handle<String> class_name = instr->hydrogen()->class_name(); |
2234 Label* true_label = instr->TrueLabel(chunk_); | 2258 Label* true_label = instr->TrueLabel(chunk_); |
2235 Label* false_label = instr->FalseLabel(chunk_); | 2259 Label* false_label = instr->FalseLabel(chunk_); |
2236 Register input = ToRegister(instr->value()); | 2260 Register input = ToRegister(instr->value()); |
2237 Register scratch1 = ToRegister(instr->temp1()); | 2261 Register scratch1 = ToRegister(instr->temp1()); |
2238 Register scratch2 = ToRegister(instr->temp2()); | 2262 Register scratch2 = ToRegister(instr->temp2()); |
2239 | 2263 |
2240 __ JumpIfSmi(input, false_label); | 2264 __ JumpIfSmi(input, false_label); |
2241 | 2265 |
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5802 __ Bind(&out_of_object); | 5826 __ Bind(&out_of_object); |
5803 __ Ldr(result, FieldMemOperand(object, JSObject::kPropertiesOffset)); | 5827 __ Ldr(result, FieldMemOperand(object, JSObject::kPropertiesOffset)); |
5804 // Index is equal to negated out of object property index plus 1. | 5828 // Index is equal to negated out of object property index plus 1. |
5805 __ Sub(result, result, Operand::UntagSmiAndScale(index, kPointerSizeLog2)); | 5829 __ Sub(result, result, Operand::UntagSmiAndScale(index, kPointerSizeLog2)); |
5806 __ Ldr(result, FieldMemOperand(result, | 5830 __ Ldr(result, FieldMemOperand(result, |
5807 FixedArray::kHeaderSize - kPointerSize)); | 5831 FixedArray::kHeaderSize - kPointerSize)); |
5808 __ Bind(&done); | 5832 __ Bind(&done); |
5809 } | 5833 } |
5810 | 5834 |
5811 } } // namespace v8::internal | 5835 } } // namespace v8::internal |
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