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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_IA32. | 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_IA32. |
6 #if defined(TARGET_ARCH_IA32) | 6 #if defined(TARGET_ARCH_IA32) |
7 | 7 |
8 #include "vm/intermediate_language.h" | 8 #include "vm/intermediate_language.h" |
9 | 9 |
10 #include "vm/dart_entry.h" | 10 #include "vm/dart_entry.h" |
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735 Register result = locs()->out().reg(); | 735 Register result = locs()->out().reg(); |
736 __ movl(result, | 736 __ movl(result, |
737 Immediate(reinterpret_cast<uword>(Symbols::PredefinedAddress()))); | 737 Immediate(reinterpret_cast<uword>(Symbols::PredefinedAddress()))); |
738 __ movl(result, Address(result, | 738 __ movl(result, Address(result, |
739 char_code, | 739 char_code, |
740 TIMES_HALF_WORD_SIZE, // Char code is a smi. | 740 TIMES_HALF_WORD_SIZE, // Char code is a smi. |
741 Symbols::kNullCharCodeSymbolOffset * kWordSize)); | 741 Symbols::kNullCharCodeSymbolOffset * kWordSize)); |
742 } | 742 } |
743 | 743 |
744 | 744 |
| 745 LocationSummary* StringToCharCodeInstr::MakeLocationSummary(bool opt) const { |
| 746 const intptr_t kNumInputs = 1; |
| 747 return LocationSummary::Make(kNumInputs, |
| 748 Location::RequiresRegister(), |
| 749 LocationSummary::kNoCall); |
| 750 } |
| 751 |
| 752 |
| 753 void StringToCharCodeInstr::EmitNativeCode(FlowGraphCompiler* compiler) { |
| 754 ASSERT(cid_ == kOneByteStringCid); |
| 755 Register str = locs()->in(0).reg(); |
| 756 Register result = locs()->out().reg(); |
| 757 Label is_one, done; |
| 758 __ movl(result, FieldAddress(str, String::length_offset())); |
| 759 __ cmpl(result, Immediate(Smi::RawValue(1))); |
| 760 __ j(EQUAL, &is_one, Assembler::kNearJump); |
| 761 __ movl(result, Immediate(Smi::RawValue(-1))); |
| 762 __ jmp(&done); |
| 763 __ Bind(&is_one); |
| 764 __ movzxb(result, FieldAddress(str, OneByteString::data_offset())); |
| 765 __ SmiTag(result); |
| 766 __ Bind(&done); |
| 767 } |
| 768 |
| 769 |
745 LocationSummary* StringInterpolateInstr::MakeLocationSummary(bool opt) const { | 770 LocationSummary* StringInterpolateInstr::MakeLocationSummary(bool opt) const { |
746 const intptr_t kNumInputs = 1; | 771 const intptr_t kNumInputs = 1; |
747 const intptr_t kNumTemps = 0; | 772 const intptr_t kNumTemps = 0; |
748 LocationSummary* summary = | 773 LocationSummary* summary = |
749 new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall); | 774 new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall); |
750 summary->set_in(0, Location::RegisterLocation(EAX)); | 775 summary->set_in(0, Location::RegisterLocation(EAX)); |
751 summary->set_out(Location::RegisterLocation(EAX)); | 776 summary->set_out(Location::RegisterLocation(EAX)); |
752 return summary; | 777 return summary; |
753 } | 778 } |
754 | 779 |
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5202 PcDescriptors::kOther, | 5227 PcDescriptors::kOther, |
5203 locs()); | 5228 locs()); |
5204 __ Drop(2); // Discard type arguments and receiver. | 5229 __ Drop(2); // Discard type arguments and receiver. |
5205 } | 5230 } |
5206 | 5231 |
5207 } // namespace dart | 5232 } // namespace dart |
5208 | 5233 |
5209 #undef __ | 5234 #undef __ |
5210 | 5235 |
5211 #endif // defined TARGET_ARCH_IA32 | 5236 #endif // defined TARGET_ARCH_IA32 |
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