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Side by Side Diff: src/lithium-allocator-inl.h

Issue 426233002: Land the Fan (disabled) (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Review feedback, rebase and "git cl format" Created 6 years, 4 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef V8_LITHIUM_ALLOCATOR_INL_H_ 5 #ifndef V8_LITHIUM_ALLOCATOR_INL_H_
6 #define V8_LITHIUM_ALLOCATOR_INL_H_ 6 #define V8_LITHIUM_ALLOCATOR_INL_H_
7 7
8 #include "src/lithium-allocator.h" 8 #include "src/lithium-allocator.h"
9 9
10 #if V8_TARGET_ARCH_IA32 10 #if V8_TARGET_ARCH_IA32
(...skipping 23 matching lines...) Expand all
34 LInstruction* LAllocator::InstructionAt(int index) { 34 LInstruction* LAllocator::InstructionAt(int index) {
35 return chunk_->instructions()->at(index); 35 return chunk_->instructions()->at(index);
36 } 36 }
37 37
38 38
39 LGap* LAllocator::GapAt(int index) { 39 LGap* LAllocator::GapAt(int index) {
40 return chunk_->GetGapAt(index); 40 return chunk_->GetGapAt(index);
41 } 41 }
42 42
43 43
44 TempIterator::TempIterator(LInstruction* instr)
45 : instr_(instr),
46 limit_(instr->TempCount()),
47 current_(0) {
48 SkipUninteresting();
49 }
50
51
52 bool TempIterator::Done() { return current_ >= limit_; }
53
54
55 LOperand* TempIterator::Current() {
56 ASSERT(!Done());
57 return instr_->TempAt(current_);
58 }
59
60
61 void TempIterator::SkipUninteresting() {
62 while (current_ < limit_ && instr_->TempAt(current_) == NULL) ++current_;
63 }
64
65
66 void TempIterator::Advance() {
67 ++current_;
68 SkipUninteresting();
69 }
70
71
72 InputIterator::InputIterator(LInstruction* instr)
73 : instr_(instr),
74 limit_(instr->InputCount()),
75 current_(0) {
76 SkipUninteresting();
77 }
78
79
80 bool InputIterator::Done() { return current_ >= limit_; }
81
82
83 LOperand* InputIterator::Current() {
84 ASSERT(!Done());
85 ASSERT(instr_->InputAt(current_) != NULL);
86 return instr_->InputAt(current_);
87 }
88
89
90 void InputIterator::Advance() {
91 ++current_;
92 SkipUninteresting();
93 }
94
95
96 void InputIterator::SkipUninteresting() {
97 while (current_ < limit_) {
98 LOperand* current = instr_->InputAt(current_);
99 if (current != NULL && !current->IsConstantOperand()) break;
100 ++current_;
101 }
102 }
103
104
105 UseIterator::UseIterator(LInstruction* instr)
106 : input_iterator_(instr), env_iterator_(instr->environment()) { }
107
108
109 bool UseIterator::Done() {
110 return input_iterator_.Done() && env_iterator_.Done();
111 }
112
113
114 LOperand* UseIterator::Current() {
115 ASSERT(!Done());
116 LOperand* result = input_iterator_.Done()
117 ? env_iterator_.Current()
118 : input_iterator_.Current();
119 ASSERT(result != NULL);
120 return result;
121 }
122
123
124 void UseIterator::Advance() {
125 input_iterator_.Done()
126 ? env_iterator_.Advance()
127 : input_iterator_.Advance();
128 }
129
130
131 void LAllocator::SetLiveRangeAssignedRegister(LiveRange* range, int reg) { 44 void LAllocator::SetLiveRangeAssignedRegister(LiveRange* range, int reg) {
132 if (range->Kind() == DOUBLE_REGISTERS) { 45 if (range->Kind() == DOUBLE_REGISTERS) {
133 assigned_double_registers_->Add(reg); 46 assigned_double_registers_->Add(reg);
134 } else { 47 } else {
135 ASSERT(range->Kind() == GENERAL_REGISTERS); 48 ASSERT(range->Kind() == GENERAL_REGISTERS);
136 assigned_registers_->Add(reg); 49 assigned_registers_->Add(reg);
137 } 50 }
138 range->set_assigned_register(reg, chunk()->zone()); 51 range->set_assigned_register(reg, chunk()->zone());
139 } 52 }
140 53
141 54
142 } } // namespace v8::internal 55 } } // namespace v8::internal
143 56
144 #endif // V8_LITHIUM_ALLOCATOR_INL_H_ 57 #endif // V8_LITHIUM_ALLOCATOR_INL_H_
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