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comparison src/cpu/sparc/vm/vtableStubs_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 f0c2369fda5a
children 7944aba7ba41
comparison
equal deleted inserted replaced
12055:d96f52012aaa 12056:740e263c80c6
1 /* 1 /*
2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1997, 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.
217 if (is_vtable_stub) { 217 if (is_vtable_stub) {
218 // ld;ld;ld,jmp,nop 218 // ld;ld;ld,jmp,nop
219 const int basic = 5*BytesPerInstWord + 219 const int basic = 5*BytesPerInstWord +
220 // shift;add for load_klass (only shift with zero heap based) 220 // shift;add for load_klass (only shift with zero heap based)
221 (UseCompressedKlassPointers ? 221 (UseCompressedKlassPointers ?
222 ((Universe::narrow_klass_base() == NULL) ? BytesPerInstWord : 2*BytesPerInstWord) : 0); 222 MacroAssembler::instr_size_for_decode_klass_not_null() : 0);
223 return basic + slop; 223 return basic + slop;
224 } else { 224 } else {
225 const int basic = (28 LP64_ONLY(+ 6)) * BytesPerInstWord + 225 const int basic = (28 LP64_ONLY(+ 6)) * BytesPerInstWord +
226 // shift;add for load_klass (only shift with zero heap based) 226 // shift;add for load_klass (only shift with zero heap based)
227 (UseCompressedKlassPointers ? 227 (UseCompressedKlassPointers ?
228 ((Universe::narrow_klass_base() == NULL) ? BytesPerInstWord : 2*BytesPerInstWord) : 0); 228 MacroAssembler::instr_size_for_decode_klass_not_null() : 0);
229 return (basic + slop); 229 return (basic + slop);
230 } 230 }
231 } 231 }
232 232
233 // In order to tune these parameters, run the JVM with VM options 233 // In order to tune these parameters, run the JVM with VM options