Mercurial > hg > truffle
comparison graal/com.oracle.jvmci.meta/src/com/oracle/jvmci/meta/DeoptimizationAction.java @ 21556:48c1ebd24120
renamed com.oracle.graal.api[meta|code] modules to com.oracle.jvmci.[meta|code] (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 27 May 2015 00:36:16 +0200 |
parents | graal/com.oracle.graal.api.meta/src/com/oracle/graal/api/meta/DeoptimizationAction.java@0e2cceed1caf |
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21555:d12eaef9af72 | 21556:48c1ebd24120 |
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1 /* | |
2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
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 | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 */ | |
23 package com.oracle.jvmci.meta; | |
24 | |
25 /** | |
26 * Specifies the action that should be taken by the runtime in case a certain deoptimization is | |
27 * triggered. | |
28 */ | |
29 public enum DeoptimizationAction { | |
30 /** | |
31 * Do not invalidate the machine code. This is typically used when deoptimizing at a point where | |
32 * it's highly likely nothing will change the likelihood of the deoptimization happening again. | |
33 * For example, a compiled array allocation where the size is negative. | |
34 */ | |
35 None(false), | |
36 | |
37 /** | |
38 * Do not invalidate the machine code, but schedule a recompilation if this deoptimization is | |
39 * triggered too often. | |
40 */ | |
41 RecompileIfTooManyDeopts(true), | |
42 | |
43 /** | |
44 * Invalidate the machine code and reset the profiling information. | |
45 */ | |
46 InvalidateReprofile(true), | |
47 | |
48 /** | |
49 * Invalidate the machine code and immediately schedule a recompilation. This is typically used | |
50 * when deoptimizing to resolve an unresolved symbol in which case extra profiling is not | |
51 * required to determine that the deoptimization will not re-occur. | |
52 */ | |
53 InvalidateRecompile(true), | |
54 | |
55 /** | |
56 * Invalidate the machine code and stop compiling the outermost method of this compilation. | |
57 */ | |
58 InvalidateStopCompiling(true); | |
59 | |
60 private final boolean invalidatesCompilation; | |
61 | |
62 private DeoptimizationAction(boolean invalidatesCompilation) { | |
63 this.invalidatesCompilation = invalidatesCompilation; | |
64 } | |
65 | |
66 public boolean doesInvalidateCompilation() { | |
67 return invalidatesCompilation; | |
68 } | |
69 | |
70 } |