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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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4454 STATIC_ASSERT(String::kMaxLength <= Smi::kMaxValue); | 4454 STATIC_ASSERT(String::kMaxLength <= Smi::kMaxValue); |
4455 if (instr->index()->IsConstantOperand()) { | 4455 if (instr->index()->IsConstantOperand()) { |
4456 int32_t const_index = ToInteger32(LConstantOperand::cast(instr->index())); | 4456 int32_t const_index = ToInteger32(LConstantOperand::cast(instr->index())); |
4457 __ Push(Smi::FromInt(const_index)); | 4457 __ Push(Smi::FromInt(const_index)); |
4458 } else { | 4458 } else { |
4459 Register index = ToRegister(instr->index()); | 4459 Register index = ToRegister(instr->index()); |
4460 __ Integer32ToSmi(index, index); | 4460 __ Integer32ToSmi(index, index); |
4461 __ Push(index); | 4461 __ Push(index); |
4462 } | 4462 } |
4463 CallRuntimeFromDeferred( | 4463 CallRuntimeFromDeferred( |
4464 Runtime::kStringCharCodeAt, 2, instr, instr->context()); | 4464 Runtime::kHiddenStringCharCodeAt, 2, instr, instr->context()); |
4465 __ AssertSmi(rax); | 4465 __ AssertSmi(rax); |
4466 __ SmiToInteger32(rax, rax); | 4466 __ SmiToInteger32(rax, rax); |
4467 __ StoreToSafepointRegisterSlot(result, rax); | 4467 __ StoreToSafepointRegisterSlot(result, rax); |
4468 } | 4468 } |
4469 | 4469 |
4470 | 4470 |
4471 void LCodeGen::DoStringCharFromCode(LStringCharFromCode* instr) { | 4471 void LCodeGen::DoStringCharFromCode(LStringCharFromCode* instr) { |
4472 class DeferredStringCharFromCode V8_FINAL : public LDeferredCode { | 4472 class DeferredStringCharFromCode V8_FINAL : public LDeferredCode { |
4473 public: | 4473 public: |
4474 DeferredStringCharFromCode(LCodeGen* codegen, LStringCharFromCode* instr) | 4474 DeferredStringCharFromCode(LCodeGen* codegen, LStringCharFromCode* instr) |
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5650 FixedArray::kHeaderSize - kPointerSize)); | 5650 FixedArray::kHeaderSize - kPointerSize)); |
5651 __ bind(&done); | 5651 __ bind(&done); |
5652 } | 5652 } |
5653 | 5653 |
5654 | 5654 |
5655 #undef __ | 5655 #undef __ |
5656 | 5656 |
5657 } } // namespace v8::internal | 5657 } } // namespace v8::internal |
5658 | 5658 |
5659 #endif // V8_TARGET_ARCH_X64 | 5659 #endif // V8_TARGET_ARCH_X64 |
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