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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, 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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166 | 166 |
167 | 167 |
168 void Intrinsifier::ImmutableArray_getIndexed(Assembler* assembler) { | 168 void Intrinsifier::ImmutableArray_getIndexed(Assembler* assembler) { |
169 return Array_getIndexed(assembler); | 169 return Array_getIndexed(assembler); |
170 } | 170 } |
171 | 171 |
172 | 172 |
173 static intptr_t ComputeObjectArrayTypeArgumentsOffset() { | 173 static intptr_t ComputeObjectArrayTypeArgumentsOffset() { |
174 const Library& core_lib = Library::Handle(Library::CoreLibrary()); | 174 const Library& core_lib = Library::Handle(Library::CoreLibrary()); |
175 const Class& cls = Class::Handle( | 175 const Class& cls = Class::Handle( |
176 core_lib.LookupClassAllowPrivate(Symbols::ObjectArray(), NULL)); | 176 core_lib.LookupClassAllowPrivate(Symbols::ObjectArray())); |
177 ASSERT(!cls.IsNull()); | 177 ASSERT(!cls.IsNull()); |
178 ASSERT(cls.HasTypeArguments()); | 178 ASSERT(cls.HasTypeArguments()); |
179 ASSERT(cls.NumTypeArguments() == 1); | 179 ASSERT(cls.NumTypeArguments() == 1); |
180 const intptr_t field_offset = cls.type_arguments_field_offset(); | 180 const intptr_t field_offset = cls.type_arguments_field_offset(); |
181 ASSERT(field_offset != Class::kNoTypeArguments); | 181 ASSERT(field_offset != Class::kNoTypeArguments); |
182 return field_offset; | 182 return field_offset; |
183 } | 183 } |
184 | 184 |
185 | 185 |
186 // Intrinsify only for Smi value and index. Non-smi values need a store buffer | 186 // Intrinsify only for Smi value and index. Non-smi values need a store buffer |
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1402 } | 1402 } |
1403 | 1403 |
1404 | 1404 |
1405 // var state = ((_A * (_state[kSTATE_LO])) + _state[kSTATE_HI]) & _MASK_64; | 1405 // var state = ((_A * (_state[kSTATE_LO])) + _state[kSTATE_HI]) & _MASK_64; |
1406 // _state[kSTATE_LO] = state & _MASK_32; | 1406 // _state[kSTATE_LO] = state & _MASK_32; |
1407 // _state[kSTATE_HI] = state >> 32; | 1407 // _state[kSTATE_HI] = state >> 32; |
1408 void Intrinsifier::Random_nextState(Assembler* assembler) { | 1408 void Intrinsifier::Random_nextState(Assembler* assembler) { |
1409 const Library& math_lib = Library::Handle(Library::MathLibrary()); | 1409 const Library& math_lib = Library::Handle(Library::MathLibrary()); |
1410 ASSERT(!math_lib.IsNull()); | 1410 ASSERT(!math_lib.IsNull()); |
1411 const Class& random_class = Class::Handle( | 1411 const Class& random_class = Class::Handle( |
1412 math_lib.LookupClassAllowPrivate(Symbols::_Random(), NULL)); | 1412 math_lib.LookupClassAllowPrivate(Symbols::_Random())); |
1413 ASSERT(!random_class.IsNull()); | 1413 ASSERT(!random_class.IsNull()); |
1414 const Field& state_field = Field::ZoneHandle( | 1414 const Field& state_field = Field::ZoneHandle( |
1415 random_class.LookupInstanceField(Symbols::_state())); | 1415 random_class.LookupInstanceField(Symbols::_state())); |
1416 ASSERT(!state_field.IsNull()); | 1416 ASSERT(!state_field.IsNull()); |
1417 const Field& random_A_field = Field::ZoneHandle( | 1417 const Field& random_A_field = Field::ZoneHandle( |
1418 random_class.LookupStaticField(Symbols::_A())); | 1418 random_class.LookupStaticField(Symbols::_A())); |
1419 ASSERT(!random_A_field.IsNull()); | 1419 ASSERT(!random_A_field.IsNull()); |
1420 ASSERT(random_A_field.is_const()); | 1420 ASSERT(random_A_field.is_const()); |
1421 const Instance& a_value = Instance::Handle(random_A_field.value()); | 1421 const Instance& a_value = Instance::Handle(random_A_field.value()); |
1422 const int64_t a_int_value = Integer::Cast(a_value).AsInt64Value(); | 1422 const int64_t a_int_value = Integer::Cast(a_value).AsInt64Value(); |
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1733 __ Bind(&ok); | 1733 __ Bind(&ok); |
1734 __ ret(); | 1734 __ ret(); |
1735 | 1735 |
1736 __ Bind(&fall_through); | 1736 __ Bind(&fall_through); |
1737 } | 1737 } |
1738 | 1738 |
1739 #undef __ | 1739 #undef __ |
1740 } // namespace dart | 1740 } // namespace dart |
1741 | 1741 |
1742 #endif // defined TARGET_ARCH_IA32 | 1742 #endif // defined TARGET_ARCH_IA32 |
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