Mercurial > hg > graal-jvmci-8
comparison src/share/vm/runtime/simpleThresholdPolicy.inline.hpp @ 6725:da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author | coleenp |
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date | Sat, 01 Sep 2012 13:25:18 -0400 |
parents | f95d63e2154a |
children | f2bdbfe9201b 600c44255e5f |
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6724:36d1d483d5d6 | 6725:da91efe96a93 |
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1 /* | 1 /* |
2 * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 2001, 2012, 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. |
51 return true; | 51 return true; |
52 } | 52 } |
53 | 53 |
54 // Simple methods are as good being compiled with C1 as C2. | 54 // Simple methods are as good being compiled with C1 as C2. |
55 // Determine if a given method is such a case. | 55 // Determine if a given method is such a case. |
56 bool SimpleThresholdPolicy::is_trivial(methodOop method) { | 56 bool SimpleThresholdPolicy::is_trivial(Method* method) { |
57 if (method->is_accessor()) return true; | 57 if (method->is_accessor()) return true; |
58 if (method->code() != NULL) { | 58 if (method->code() != NULL) { |
59 methodDataOop mdo = method->method_data(); | 59 MethodData* mdo = method->method_data(); |
60 if (mdo != NULL && mdo->num_loops() == 0 && | 60 if (mdo != NULL && mdo->num_loops() == 0 && |
61 (method->code_size() < 5 || (mdo->num_blocks() < 4) && (method->code_size() < 15))) { | 61 (method->code_size() < 5 || (mdo->num_blocks() < 4) && (method->code_size() < 15))) { |
62 return !mdo->would_profile(); | 62 return !mdo->would_profile(); |
63 } | 63 } |
64 } | 64 } |