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comparison src/share/vm/gc_implementation/g1/g1SATBCardTableModRefBS.cpp @ 12316:190899198332

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7195622: CheckUnhandledOops has limited usefulness now Summary: Enable CHECK_UNHANDLED_OOPS in fastdebug builds across all supported platforms. Reviewed-by: coleenp, hseigel, dholmes, stefank, twisti, ihse, rdurbin Contributed-by: lois.foltan@oracle.com
author hseigel
date Thu, 26 Sep 2013 10:25:02 -0400
parents b30744960351
children 798522662fcd
comparison
equal deleted inserted replaced
12315:c1fbf21c7397 12316:190899198332
1 /* 1 /*
2 * Copyright (c) 2001, 2011, 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.
93 93
94 void 94 void
95 G1SATBCardTableLoggingModRefBS::write_ref_field_static(void* field, 95 G1SATBCardTableLoggingModRefBS::write_ref_field_static(void* field,
96 oop new_val) { 96 oop new_val) {
97 uintptr_t field_uint = (uintptr_t)field; 97 uintptr_t field_uint = (uintptr_t)field;
98 uintptr_t new_val_uint = (uintptr_t)new_val; 98 uintptr_t new_val_uint = cast_from_oop<uintptr_t>(new_val);
99 uintptr_t comb = field_uint ^ new_val_uint; 99 uintptr_t comb = field_uint ^ new_val_uint;
100 comb = comb >> HeapRegion::LogOfHRGrainBytes; 100 comb = comb >> HeapRegion::LogOfHRGrainBytes;
101 if (comb == 0) return; 101 if (comb == 0) return;
102 if (new_val == NULL) return; 102 if (new_val == NULL) return;
103 // Otherwise, log it. 103 // Otherwise, log it.