equal
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1 /* |
1 /* |
2 * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * |
4 * |
5 * This code is free software; you can redistribute it and/or modify it |
5 * This code is free software; you can redistribute it and/or modify it |
6 * under the terms of the GNU General Public License version 2 only, as |
6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. |
7 * published by the Free Software Foundation. |
89 template <class T> inline bool has_partial_array_mask(T* ref) { |
89 template <class T> inline bool has_partial_array_mask(T* ref) { |
90 return ((uintptr_t)ref & G1_PARTIAL_ARRAY_MASK) == G1_PARTIAL_ARRAY_MASK; |
90 return ((uintptr_t)ref & G1_PARTIAL_ARRAY_MASK) == G1_PARTIAL_ARRAY_MASK; |
91 } |
91 } |
92 |
92 |
93 template <class T> inline T* set_partial_array_mask(T obj) { |
93 template <class T> inline T* set_partial_array_mask(T obj) { |
94 assert(((uintptr_t)obj & G1_PARTIAL_ARRAY_MASK) == 0, "Information loss!"); |
94 assert(((uintptr_t)(void *)obj & G1_PARTIAL_ARRAY_MASK) == 0, "Information loss!"); |
95 return (T*) ((uintptr_t)obj | G1_PARTIAL_ARRAY_MASK); |
95 return (T*) ((uintptr_t)(void *)obj | G1_PARTIAL_ARRAY_MASK); |
96 } |
96 } |
97 |
97 |
98 template <class T> inline oop clear_partial_array_mask(T* ref) { |
98 template <class T> inline oop clear_partial_array_mask(T* ref) { |
99 return oop((intptr_t)ref & ~G1_PARTIAL_ARRAY_MASK); |
99 return cast_to_oop((intptr_t)ref & ~G1_PARTIAL_ARRAY_MASK); |
100 } |
100 } |
101 |
101 |
102 class G1ParScanPartialArrayClosure : public G1ParClosureSuper { |
102 class G1ParScanPartialArrayClosure : public G1ParClosureSuper { |
103 G1ParScanClosure _scanner; |
103 G1ParScanClosure _scanner; |
104 |
104 |