[V8] Introduce a QML compilation mode
[profile/ivi/qtjsbackend.git] / src / 3rdparty / v8 / src / lithium-allocator-inl.h
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27
28 #ifndef V8_LITHIUM_ALLOCATOR_INL_H_
29 #define V8_LITHIUM_ALLOCATOR_INL_H_
30
31 #include "lithium-allocator.h"
32
33 #if V8_TARGET_ARCH_IA32
34 #include "ia32/lithium-ia32.h"
35 #elif V8_TARGET_ARCH_X64
36 #include "x64/lithium-x64.h"
37 #elif V8_TARGET_ARCH_ARM
38 #include "arm/lithium-arm.h"
39 #elif V8_TARGET_ARCH_MIPS
40 #include "mips/lithium-mips.h"
41 #else
42 #error "Unknown architecture."
43 #endif
44
45 namespace v8 {
46 namespace internal {
47
48 bool LAllocator::IsGapAt(int index) { return chunk_->IsGapAt(index); }
49
50
51 LInstruction* LAllocator::InstructionAt(int index) {
52   return chunk_->instructions()->at(index);
53 }
54
55
56 LGap* LAllocator::GapAt(int index) {
57   return chunk_->GetGapAt(index);
58 }
59
60
61 TempIterator::TempIterator(LInstruction* instr)
62     : instr_(instr),
63       limit_(instr->TempCount()),
64       current_(0) {
65   SkipUninteresting();
66 }
67
68
69 bool TempIterator::Done() { return current_ >= limit_; }
70
71
72 LOperand* TempIterator::Current() {
73   ASSERT(!Done());
74   return instr_->TempAt(current_);
75 }
76
77
78 void TempIterator::SkipUninteresting() {
79   while (current_ < limit_ && instr_->TempAt(current_) == NULL) ++current_;
80 }
81
82
83 void TempIterator::Advance() {
84   ++current_;
85   SkipUninteresting();
86 }
87
88
89 InputIterator::InputIterator(LInstruction* instr)
90     : instr_(instr),
91       limit_(instr->InputCount()),
92       current_(0) {
93   SkipUninteresting();
94 }
95
96
97 bool InputIterator::Done() { return current_ >= limit_; }
98
99
100 LOperand* InputIterator::Current() {
101   ASSERT(!Done());
102   return instr_->InputAt(current_);
103 }
104
105
106 void InputIterator::Advance() {
107   ++current_;
108   SkipUninteresting();
109 }
110
111
112 void InputIterator::SkipUninteresting() {
113   while (current_ < limit_ && instr_->InputAt(current_)->IsConstantOperand()) {
114     ++current_;
115   }
116 }
117
118
119 UseIterator::UseIterator(LInstruction* instr)
120     : input_iterator_(instr), env_iterator_(instr->environment()) { }
121
122
123 bool UseIterator::Done() {
124   return input_iterator_.Done() && env_iterator_.Done();
125 }
126
127
128 LOperand* UseIterator::Current() {
129   ASSERT(!Done());
130   return input_iterator_.Done()
131       ? env_iterator_.Current()
132       : input_iterator_.Current();
133 }
134
135
136 void UseIterator::Advance() {
137   input_iterator_.Done()
138       ? env_iterator_.Advance()
139       : input_iterator_.Advance();
140 }
141
142 } }  // namespace v8::internal
143
144 #endif  // V8_LITHIUM_ALLOCATOR_INL_H_