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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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4899 LOperand* input = instr->value(); | 4899 LOperand* input = instr->value(); |
4900 LOperand* output = instr->result(); | 4900 LOperand* output = instr->result(); |
4901 LOperand* temp = instr->temp(); | 4901 LOperand* temp = instr->temp(); |
4902 | 4902 |
4903 __ LoadUint32(ToDoubleRegister(output), | 4903 __ LoadUint32(ToDoubleRegister(output), |
4904 ToRegister(input), | 4904 ToRegister(input), |
4905 ToDoubleRegister(temp)); | 4905 ToDoubleRegister(temp)); |
4906 } | 4906 } |
4907 | 4907 |
4908 | 4908 |
| 4909 void LCodeGen::DoUint32ToSmi(LUint32ToSmi* instr) { |
| 4910 Register input = ToRegister(instr->value()); |
| 4911 if (!instr->hydrogen()->value()->HasRange() || |
| 4912 !instr->hydrogen()->value()->range()->IsInSmiRange()) { |
| 4913 __ test(input, Immediate(0xc0000000)); |
| 4914 DeoptimizeIf(not_zero, instr->environment()); |
| 4915 } |
| 4916 __ SmiTag(input); |
| 4917 } |
| 4918 |
| 4919 |
4909 void LCodeGen::DoNumberTagI(LNumberTagI* instr) { | 4920 void LCodeGen::DoNumberTagI(LNumberTagI* instr) { |
4910 class DeferredNumberTagI: public LDeferredCode { | 4921 class DeferredNumberTagI: public LDeferredCode { |
4911 public: | 4922 public: |
4912 DeferredNumberTagI(LCodeGen* codegen, LNumberTagI* instr) | 4923 DeferredNumberTagI(LCodeGen* codegen, LNumberTagI* instr) |
4913 : LDeferredCode(codegen), instr_(instr) { } | 4924 : LDeferredCode(codegen), instr_(instr) { } |
4914 virtual void Generate() { | 4925 virtual void Generate() { |
4915 codegen()->DoDeferredNumberTagI(instr_, instr_->value(), SIGNED_INT32); | 4926 codegen()->DoDeferredNumberTagI(instr_, instr_->value(), SIGNED_INT32); |
4916 } | 4927 } |
4917 virtual LInstruction* instr() { return instr_; } | 4928 virtual LInstruction* instr() { return instr_; } |
4918 private: | 4929 private: |
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6453 FixedArray::kHeaderSize - kPointerSize)); | 6464 FixedArray::kHeaderSize - kPointerSize)); |
6454 __ bind(&done); | 6465 __ bind(&done); |
6455 } | 6466 } |
6456 | 6467 |
6457 | 6468 |
6458 #undef __ | 6469 #undef __ |
6459 | 6470 |
6460 } } // namespace v8::internal | 6471 } } // namespace v8::internal |
6461 | 6472 |
6462 #endif // V8_TARGET_ARCH_IA32 | 6473 #endif // V8_TARGET_ARCH_IA32 |
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