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| 1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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| 27 | 27 |
| 28 #include "v8.h" | 28 #include "v8.h" |
| 29 | 29 |
| 30 #include "codegen-inl.h" | 30 #include "codegen-inl.h" |
| 31 #include "jump-target-inl.h" | 31 #include "jump-target-inl.h" |
| 32 | 32 |
| 33 namespace v8 { | 33 namespace v8 { |
| 34 namespace internal { | 34 namespace internal { |
| 35 | 35 |
| 36 | 36 |
| 37 FrameRegisterState::FrameRegisterState(VirtualFrame* frame) { | |
| 38 // Nothing to do when register allocation is not supported. | |
| 39 ASSERT(RegisterAllocator::kNumRegisters == 0); | |
| 40 } | |
| 41 | |
| 42 | |
| 43 DeferredCode::DeferredCode() | 37 DeferredCode::DeferredCode() |
| 44 : masm_(CodeGeneratorScope::Current()->masm()), | 38 : masm_(CodeGeneratorScope::Current()->masm()), |
| 45 statement_position_(masm_->current_statement_position()), | 39 statement_position_(masm_->current_statement_position()), |
| 46 position_(masm_->current_position()), | 40 position_(masm_->current_position()), |
| 47 frame_state_(CodeGeneratorScope::Current()->frame()) { | 41 frame_state_(*CodeGeneratorScope::Current()->frame()) { |
| 48 ASSERT(statement_position_ != RelocInfo::kNoPosition); | 42 ASSERT(statement_position_ != RelocInfo::kNoPosition); |
| 49 ASSERT(position_ != RelocInfo::kNoPosition); | 43 ASSERT(position_ != RelocInfo::kNoPosition); |
| 50 | 44 |
| 51 CodeGeneratorScope::Current()->AddDeferred(this); | 45 CodeGeneratorScope::Current()->AddDeferred(this); |
| 52 | 46 |
| 53 #ifdef DEBUG | 47 #ifdef DEBUG |
| 54 comment_ = ""; | 48 comment_ = ""; |
| 55 CodeGeneratorScope::Current()->frame()->AssertIsSpilled(); | |
| 56 #endif | 49 #endif |
| 57 } | 50 } |
| 58 | 51 |
| 59 | 52 |
| 60 // ------------------------------------------------------------------------- | 53 // ------------------------------------------------------------------------- |
| 61 // BreakTarget implementation. | 54 // BreakTarget implementation. |
| 62 | 55 |
| 63 | 56 |
| 64 void BreakTarget::SetExpectedHeight() { | 57 void BreakTarget::SetExpectedHeight() { |
| 65 expected_height_ = cgen()->frame()->height(); | 58 expected_height_ = cgen()->frame()->height(); |
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| 108 if (cgen()->has_valid_frame()) { | 101 if (cgen()->has_valid_frame()) { |
| 109 int count = cgen()->frame()->height() - expected_height_; | 102 int count = cgen()->frame()->height() - expected_height_; |
| 110 if (count > 0) { | 103 if (count > 0) { |
| 111 cgen()->frame()->Drop(count); | 104 cgen()->frame()->Drop(count); |
| 112 } | 105 } |
| 113 } | 106 } |
| 114 DoBind(); | 107 DoBind(); |
| 115 } | 108 } |
| 116 | 109 |
| 117 } } // namespace v8::internal | 110 } } // namespace v8::internal |
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