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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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 #include "src/compiler/access-builder.h" | 5 #include "src/compiler/access-builder.h" |
6 #include "src/types-inl.h" | 6 #include "src/types-inl.h" |
7 | 7 |
8 namespace v8 { | 8 namespace v8 { |
9 namespace internal { | 9 namespace internal { |
10 namespace compiler { | 10 namespace compiler { |
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52 | 52 |
53 | 53 |
54 // static | 54 // static |
55 FieldAccess AccessBuilder::ForMapInstanceType() { | 55 FieldAccess AccessBuilder::ForMapInstanceType() { |
56 return {kTaggedBase, Map::kInstanceTypeOffset, Handle<Name>(), | 56 return {kTaggedBase, Map::kInstanceTypeOffset, Handle<Name>(), |
57 Type::UntaggedUnsigned8(), kMachUint8}; | 57 Type::UntaggedUnsigned8(), kMachUint8}; |
58 } | 58 } |
59 | 59 |
60 | 60 |
61 // static | 61 // static |
62 FieldAccess AccessBuilder::ForStringLength() { | 62 FieldAccess AccessBuilder::ForStringLength(Zone* zone) { |
63 return {kTaggedBase, String::kLengthOffset, Handle<Name>(), | 63 return {kTaggedBase, String::kLengthOffset, Handle<Name>(), |
64 Type::Intersect(Type::UnsignedSmall(), Type::TaggedSigned()), | 64 Type::Range(0, String::kMaxLength, zone), kMachAnyTagged}; |
65 kMachAnyTagged}; | |
66 } | 65 } |
67 | 66 |
68 | 67 |
69 // static | 68 // static |
70 FieldAccess AccessBuilder::ForValue() { | 69 FieldAccess AccessBuilder::ForValue() { |
71 return {kTaggedBase, JSValue::kValueOffset, Handle<Name>(), Type::Any(), | 70 return {kTaggedBase, JSValue::kValueOffset, Handle<Name>(), Type::Any(), |
72 kMachAnyTagged}; | 71 kMachAnyTagged}; |
73 } | 72 } |
74 | 73 |
75 | 74 |
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133 return {kTaggedBase, SeqString::kHeaderSize, Type::Unsigned32(), | 132 return {kTaggedBase, SeqString::kHeaderSize, Type::Unsigned32(), |
134 kMachUint16}; | 133 kMachUint16}; |
135 } | 134 } |
136 UNREACHABLE(); | 135 UNREACHABLE(); |
137 return {kUntaggedBase, 0, Type::None(), kMachNone}; | 136 return {kUntaggedBase, 0, Type::None(), kMachNone}; |
138 } | 137 } |
139 | 138 |
140 } // namespace compiler | 139 } // namespace compiler |
141 } // namespace internal | 140 } // namespace internal |
142 } // namespace v8 | 141 } // namespace v8 |
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