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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, 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 // The intrinsic code below is executed before a method has built its frame. | 5 // The intrinsic code below is executed before a method has built its frame. |
| 6 // The return address is on the stack and the arguments below it. | 6 // The return address is on the stack and the arguments below it. |
| 7 // Registers EDX (arguments descriptor) and ECX (function) must be preserved. | 7 // Registers EDX (arguments descriptor) and ECX (function) must be preserved. |
| 8 // Each intrinsification method returns true if the corresponding | 8 // Each intrinsification method returns true if the corresponding |
| 9 // Dart method was intrinsified. | 9 // Dart method was intrinsified. |
| 10 | 10 |
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| 168 } | 168 } |
| 169 | 169 |
| 170 | 170 |
| 171 bool Intrinsifier::ImmutableArray_getIndexed(Assembler* assembler) { | 171 bool Intrinsifier::ImmutableArray_getIndexed(Assembler* assembler) { |
| 172 return Array_getIndexed(assembler); | 172 return Array_getIndexed(assembler); |
| 173 } | 173 } |
| 174 | 174 |
| 175 | 175 |
| 176 static intptr_t ComputeObjectArrayTypeArgumentsOffset() { | 176 static intptr_t ComputeObjectArrayTypeArgumentsOffset() { |
| 177 const String& class_name = String::Handle(Symbols::New("_ObjectArray")); | 177 const String& class_name = String::Handle(Symbols::New("_ObjectArray")); |
| 178 const Library& coreimpl_lib = Library::Handle(Library::CoreImplLibrary()); | 178 const Library& core_lib = Library::Handle(Library::CoreLibrary()); |
| 179 const Class& cls = | 179 const Class& cls = |
| 180 Class::Handle(coreimpl_lib.LookupClassAllowPrivate(class_name)); | 180 Class::Handle(core_lib.LookupClassAllowPrivate(class_name)); |
| 181 ASSERT(!cls.IsNull()); | 181 ASSERT(!cls.IsNull()); |
| 182 ASSERT(cls.HasTypeArguments()); | 182 ASSERT(cls.HasTypeArguments()); |
| 183 ASSERT(cls.NumTypeArguments() == 1); | 183 ASSERT(cls.NumTypeArguments() == 1); |
| 184 const intptr_t field_offset = cls.type_arguments_instance_field_offset(); | 184 const intptr_t field_offset = cls.type_arguments_instance_field_offset(); |
| 185 ASSERT(field_offset != Class::kNoTypeArguments); | 185 ASSERT(field_offset != Class::kNoTypeArguments); |
| 186 return field_offset; | 186 return field_offset; |
| 187 } | 187 } |
| 188 | 188 |
| 189 | 189 |
| 190 // Intrinsify only for Smi value and index. Non-smi values need a store buffer | 190 // Intrinsify only for Smi value and index. Non-smi values need a store buffer |
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| 245 __ ret(); | 245 __ ret(); |
| 246 __ Bind(&fall_through); | 246 __ Bind(&fall_through); |
| 247 return false; | 247 return false; |
| 248 } | 248 } |
| 249 | 249 |
| 250 | 250 |
| 251 static intptr_t GetOffsetForField(const char* class_name_p, | 251 static intptr_t GetOffsetForField(const char* class_name_p, |
| 252 const char* field_name_p) { | 252 const char* field_name_p) { |
| 253 const String& class_name = String::Handle(Symbols::New(class_name_p)); | 253 const String& class_name = String::Handle(Symbols::New(class_name_p)); |
| 254 const String& field_name = String::Handle(Symbols::New(field_name_p)); | 254 const String& field_name = String::Handle(Symbols::New(field_name_p)); |
| 255 const Library& coreimpl_lib = Library::Handle(Library::CoreImplLibrary()); | 255 const Library& core_lib = Library::Handle(Library::CoreLibrary()); |
| 256 const Class& cls = | 256 const Class& cls = |
| 257 Class::Handle(coreimpl_lib.LookupClassAllowPrivate(class_name)); | 257 Class::Handle(core_lib.LookupClassAllowPrivate(class_name)); |
| 258 ASSERT(!cls.IsNull()); | 258 ASSERT(!cls.IsNull()); |
| 259 const Field& field = Field::ZoneHandle(cls.LookupInstanceField(field_name)); | 259 const Field& field = Field::ZoneHandle(cls.LookupInstanceField(field_name)); |
| 260 ASSERT(!field.IsNull()); | 260 ASSERT(!field.IsNull()); |
| 261 return field.Offset(); | 261 return field.Offset(); |
| 262 } | 262 } |
| 263 | 263 |
| 264 | 264 |
| 265 // Allocate a GrowableObjectArray using the backing array specified. | 265 // Allocate a GrowableObjectArray using the backing array specified. |
| 266 // On stack: type argument (+2), data (+1), return-address (+0). | 266 // On stack: type argument (+2), data (+1), return-address (+0). |
| 267 bool Intrinsifier::GArray_Allocate(Assembler* assembler) { | 267 bool Intrinsifier::GArray_Allocate(Assembler* assembler) { |
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| 1725 __ Bind(&is_true); | 1725 __ Bind(&is_true); |
| 1726 __ LoadObject(EAX, bool_true); | 1726 __ LoadObject(EAX, bool_true); |
| 1727 __ ret(); | 1727 __ ret(); |
| 1728 return true; | 1728 return true; |
| 1729 } | 1729 } |
| 1730 | 1730 |
| 1731 #undef __ | 1731 #undef __ |
| 1732 } // namespace dart | 1732 } // namespace dart |
| 1733 | 1733 |
| 1734 #endif // defined TARGET_ARCH_IA32 | 1734 #endif // defined TARGET_ARCH_IA32 |
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