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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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1035 // result is known to be the allocation top on entry (could be result_end | 1035 // result is known to be the allocation top on entry (could be result_end |
1036 // from a previous call). If result_contains_top_on_entry is true scratch | 1036 // from a previous call). If result_contains_top_on_entry is true scratch |
1037 // should be no_reg as it is never used. | 1037 // should be no_reg as it is never used. |
1038 void Allocate(int object_size, | 1038 void Allocate(int object_size, |
1039 Register result, | 1039 Register result, |
1040 Register result_end, | 1040 Register result_end, |
1041 Register scratch, | 1041 Register scratch, |
1042 Label* gc_required, | 1042 Label* gc_required, |
1043 AllocationFlags flags); | 1043 AllocationFlags flags); |
1044 | 1044 |
1045 void AllocateInNewSpace(int header_size, | 1045 void Allocate(int header_size, |
1046 ScaleFactor element_size, | 1046 ScaleFactor element_size, |
1047 Register element_count, | 1047 Register element_count, |
1048 Register result, | 1048 Register result, |
1049 Register result_end, | 1049 Register result_end, |
1050 Register scratch, | 1050 Register scratch, |
1051 Label* gc_required, | 1051 Label* gc_required, |
1052 AllocationFlags flags); | 1052 AllocationFlags flags); |
1053 | 1053 |
1054 void AllocateInNewSpace(Register object_size, | 1054 void Allocate(Register object_size, |
1055 Register result, | 1055 Register result, |
1056 Register result_end, | 1056 Register result_end, |
1057 Register scratch, | 1057 Register scratch, |
1058 Label* gc_required, | 1058 Label* gc_required, |
1059 AllocationFlags flags); | 1059 AllocationFlags flags); |
1060 | 1060 |
1061 // Undo allocation in new space. The object passed and objects allocated after | 1061 // Undo allocation in new space. The object passed and objects allocated after |
1062 // it will no longer be allocated. Make sure that no pointers are left to the | 1062 // it will no longer be allocated. Make sure that no pointers are left to the |
1063 // object(s) no longer allocated as they would be invalid when allocation is | 1063 // object(s) no longer allocated as they would be invalid when allocation is |
1064 // un-done. | 1064 // un-done. |
1065 void UndoAllocationInNewSpace(Register object); | 1065 void UndoAllocationInNewSpace(Register object); |
1066 | 1066 |
1067 // Allocate a heap number in new space with undefined value. Returns | 1067 // Allocate a heap number in new space with undefined value. Returns |
1068 // tagged pointer in result register, or jumps to gc_required if new | 1068 // tagged pointer in result register, or jumps to gc_required if new |
1069 // space is full. | 1069 // space is full. |
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1510 masm->popfq(); \ | 1510 masm->popfq(); \ |
1511 } \ | 1511 } \ |
1512 masm-> | 1512 masm-> |
1513 #else | 1513 #else |
1514 #define ACCESS_MASM(masm) masm-> | 1514 #define ACCESS_MASM(masm) masm-> |
1515 #endif | 1515 #endif |
1516 | 1516 |
1517 } } // namespace v8::internal | 1517 } } // namespace v8::internal |
1518 | 1518 |
1519 #endif // V8_X64_MACRO_ASSEMBLER_X64_H_ | 1519 #endif // V8_X64_MACRO_ASSEMBLER_X64_H_ |
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