Mercurial > hg > graal-jvmci-8

comparison jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/services/HotSpotJVMCICompilerFactory.java @ 23679:b5557b757040

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
fix HotSpotVMConfig startup performance (JDK-8159167)
author Doug Simon <doug.simon@oracle.com>
date Wed, 15 Jun 2016 00:00:41 +0200
parents 24505bf61633
children
comparison
equal deleted inserted replaced
23678:e86a0b0ba969 23679:b5557b757040
20 * or visit www.oracle.com if you need additional information or have any 20 * or visit www.oracle.com if you need additional information or have any
21 * questions. 21 * questions.
22 */ 22 */
23 package jdk.vm.ci.hotspot.services; 23 package jdk.vm.ci.hotspot.services;
24 24
25 import jdk.vm.ci.hotspot.HotSpotVMConfig;
26 import jdk.vm.ci.runtime.services.JVMCICompilerFactory; 25 import jdk.vm.ci.runtime.services.JVMCICompilerFactory;
27 26
28 /** 27 /**
29 * HotSpot extensions to {@link JVMCICompilerFactory}. 28 * HotSpot extensions to {@link JVMCICompilerFactory}.
30 */ 29 */
40 */ 39 */
41 public String[] getTrivialPrefixes() { 40 public String[] getTrivialPrefixes() {
42 return null; 41 return null;
43 } 42 }
44 43
44 public enum CompilationLevelAdjustment {
45 /**
46 * No adjustment.
47 */
48 None,
49
50 /**
51 * Adjust based on declaring class of method.
52 */
53 ByHolder,
54
55 /**
56 * Adjust based on declaring class, name and signature of method.
57 */
58 ByFullSignature
59 }
60
45 /** 61 /**
46 * Determines if this object may want to adjust the compilation level for a method that is being 62 * Determines if this object may want to adjust the compilation level for a method that is being
47 * scheduled by the VM for compilation. The legal return values and their meanings are: 63 * scheduled by the VM for compilation.
48 * <ul>
49 * <li>0 - no adjustment</li>
50 * <li>1 - adjust based on declaring class of method</li>
51 * <li>2 - adjust based on declaring class, name and signature of method</li>
52 * </ul>
53 */ 64 */
54 public int getCompilationLevelAdjustment(HotSpotVMConfig config) { 65 public CompilationLevelAdjustment getCompilationLevelAdjustment() {
55 return config.compLevelAdjustmentNone; 66 return CompilationLevelAdjustment.None;
67 }
68
69 public enum CompilationLevel {
70 None,
71 Simple,
72 LimitedProfile,
73 FullProfile,
74 FullOptimization
56 } 75 }
57 76
58 /** 77 /**
59 * Potentially modifies the compilation level currently selected by the VM compilation policy 78 * Potentially modifies the compilation level currently selected by the VM compilation policy
60 * for a method. 79 * for a method.
61 * 80 *
62 * @param config object for reading HotSpot {@code CompLevel} enum values
63 * @param declaringClass the class in which the method is declared 81 * @param declaringClass the class in which the method is declared
64 * @param name the name of the method or {@code null} depending on the value that was returned 82 * @param name the name of the method or {@code null} depending on the value that was returned
65 * by {@link #getCompilationLevelAdjustment(HotSpotVMConfig)} 83 * by {@link #getCompilationLevelAdjustment()}
66 * @param signature the signature of the method or {@code null} depending on the value that was 84 * @param signature the signature of the method or {@code null} depending on the value that was
67 * returned by {@link #getCompilationLevelAdjustment(HotSpotVMConfig)} 85 * returned by {@link #getCompilationLevelAdjustment()}
68 * @param isOsr specifies if the compilation being scheduled in an OSR compilation 86 * @param isOsr specifies if the compilation being scheduled in an OSR compilation
69 * @param level the compilation level currently selected by the VM compilation policy 87 * @param level the compilation level currently selected by the VM compilation policy
70 * @return the compilation level to use for the compilation being scheduled (must be a valid 88 * @return the compilation level to use for the compilation being scheduled (must be a valid
71 * {@code CompLevel} enum value) 89 * {@code CompLevel} enum value)
72 */ 90 */
73 public int adjustCompilationLevel(HotSpotVMConfig config, Class<?> declaringClass, String name, String signature, boolean isOsr, int level) { 91 public CompilationLevel adjustCompilationLevel(Class<?> declaringClass, String name, String signature, boolean isOsr, CompilationLevel level) {
74 throw new InternalError("Should not reach here"); 92 throw new InternalError("Should not reach here");
75 } 93 }
76 } 94 }