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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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1569 FieldAddress(EAX, pos_offset), | 1569 FieldAddress(EAX, pos_offset), |
1570 EBX); // Store _pos. | 1570 EBX); // Store _pos. |
1571 __ movl(EAX, EDI); | 1571 __ movl(EAX, EDI); |
1572 __ ret(); | 1572 __ ret(); |
1573 __ Bind(&fall_through); | 1573 __ Bind(&fall_through); |
1574 return false; | 1574 return false; |
1575 } | 1575 } |
1576 | 1576 |
1577 | 1577 |
1578 // Class 'FixedSizeArrayIterator': | 1578 // Class 'FixedSizeArrayIterator': |
1579 // bool hasNext() { | 1579 // bool get hasNext { |
1580 // return _length > _pos; | 1580 // return _length > _pos; |
1581 // } | 1581 // } |
1582 bool Intrinsifier::FixedSizeArrayIterator_hasNext(Assembler* assembler) { | 1582 bool Intrinsifier::FixedSizeArrayIterator_getHasNext(Assembler* assembler) { |
1583 Label fall_through, is_true; | 1583 Label fall_through, is_true; |
1584 const Bool& bool_true = Bool::ZoneHandle(Bool::True()); | 1584 const Bool& bool_true = Bool::ZoneHandle(Bool::True()); |
1585 const Bool& bool_false = Bool::ZoneHandle(Bool::False()); | 1585 const Bool& bool_false = Bool::ZoneHandle(Bool::False()); |
1586 intptr_t length_offset = | 1586 intptr_t length_offset = |
1587 GetOffsetForField(kFixedSizeArrayIteratorClassName, "_length"); | 1587 GetOffsetForField(kFixedSizeArrayIteratorClassName, "_length"); |
1588 intptr_t pos_offset = | 1588 intptr_t pos_offset = |
1589 GetOffsetForField(kFixedSizeArrayIteratorClassName, "_pos"); | 1589 GetOffsetForField(kFixedSizeArrayIteratorClassName, "_pos"); |
1590 __ movl(EAX, Address(ESP, + 1 * kWordSize)); // Receiver. | 1590 __ movl(EAX, Address(ESP, + 1 * kWordSize)); // Receiver. |
1591 __ movl(EBX, FieldAddress(EAX, length_offset)); // Field _length. | 1591 __ movl(EBX, FieldAddress(EAX, length_offset)); // Field _length. |
1592 __ movl(EAX, FieldAddress(EAX, pos_offset)); // Field _pos. | 1592 __ movl(EAX, FieldAddress(EAX, pos_offset)); // Field _pos. |
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1663 __ Bind(&is_true); | 1663 __ Bind(&is_true); |
1664 __ LoadObject(EAX, bool_true); | 1664 __ LoadObject(EAX, bool_true); |
1665 __ ret(); | 1665 __ ret(); |
1666 return true; | 1666 return true; |
1667 } | 1667 } |
1668 | 1668 |
1669 #undef __ | 1669 #undef __ |
1670 } // namespace dart | 1670 } // namespace dart |
1671 | 1671 |
1672 #endif // defined TARGET_ARCH_IA32 | 1672 #endif // defined TARGET_ARCH_IA32 |
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