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comparison src/cpu/sparc/vm/relocInfo_sparc.cpp @ 12056:740e263c80c6

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8003424: Enable Class Data Sharing for CompressedOops 8016729: ObjectAlignmentInBytes=16 now forces the use of heap based compressed oops 8005933: The -Xshare:auto option is ignored for -server Summary: Move klass metaspace above the heap and support CDS with compressed klass ptrs. Reviewed-by: coleenp, kvn, mgerdin, tschatzl, stefank
author hseigel
date Thu, 15 Aug 2013 20:04:10 -0400
parents 7875ea94bea5
children 8085ce95b6f5
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12055:d96f52012aaa 12056:740e263c80c6
1 /* 1 /*
2 * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1998, 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.
95 #ifdef _LP64 95 #ifdef _LP64
96 jint inst2; 96 jint inst2;
97 guarantee(Assembler::inv_op2(inst)==Assembler::sethi_op2, "must be sethi"); 97 guarantee(Assembler::inv_op2(inst)==Assembler::sethi_op2, "must be sethi");
98 if (format() != 0) { 98 if (format() != 0) {
99 assert(type() == relocInfo::oop_type || type() == relocInfo::metadata_type, "only narrow oops or klasses case"); 99 assert(type() == relocInfo::oop_type || type() == relocInfo::metadata_type, "only narrow oops or klasses case");
100 jint np = type() == relocInfo::oop_type ? oopDesc::encode_heap_oop((oop)x) : oopDesc::encode_klass((Klass*)x); 100 jint np = type() == relocInfo::oop_type ? oopDesc::encode_heap_oop((oop)x) : Klass::encode_klass((Klass*)x);
101 inst &= ~Assembler::hi22(-1); 101 inst &= ~Assembler::hi22(-1);
102 inst |= Assembler::hi22((intptr_t)np); 102 inst |= Assembler::hi22((intptr_t)np);
103 if (verify_only) { 103 if (verify_only) {
104 assert(ip->long_at(0) == inst, "instructions must match"); 104 assert(ip->long_at(0) == inst, "instructions must match");
105 } else { 105 } else {