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comparison jvmci/jdk.vm.ci.hotspot.aarch64/src/jdk/vm/ci/hotspot/aarch64/AArch64HotSpotJVMCIBackendFactory.java @ 23679:b5557b757040

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fix HotSpotVMConfig startup performance (JDK-8159167)
author Doug Simon <doug.simon@oracle.com>
date Wed, 15 Jun 2016 00:00:41 +0200
parents 9ed5b586018b
children
comparison
equal deleted inserted replaced
23678:e86a0b0ba969 23679:b5557b757040
36 import jdk.vm.ci.hotspot.HotSpotConstantReflectionProvider; 36 import jdk.vm.ci.hotspot.HotSpotConstantReflectionProvider;
37 import jdk.vm.ci.hotspot.HotSpotJVMCIBackendFactory; 37 import jdk.vm.ci.hotspot.HotSpotJVMCIBackendFactory;
38 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntimeProvider; 38 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntimeProvider;
39 import jdk.vm.ci.hotspot.HotSpotMetaAccessProvider; 39 import jdk.vm.ci.hotspot.HotSpotMetaAccessProvider;
40 import jdk.vm.ci.hotspot.HotSpotStackIntrospection; 40 import jdk.vm.ci.hotspot.HotSpotStackIntrospection;
41 import jdk.vm.ci.hotspot.HotSpotVMConfig;
42 import jdk.vm.ci.meta.ConstantReflectionProvider; 41 import jdk.vm.ci.meta.ConstantReflectionProvider;
43 import jdk.vm.ci.runtime.JVMCIBackend; 42 import jdk.vm.ci.runtime.JVMCIBackend;
44 43
45 public class AArch64HotSpotJVMCIBackendFactory implements HotSpotJVMCIBackendFactory { 44 public class AArch64HotSpotJVMCIBackendFactory implements HotSpotJVMCIBackendFactory {
46 45
47 protected EnumSet<AArch64.CPUFeature> computeFeatures(@SuppressWarnings("unused") HotSpotVMConfig config) { 46 protected EnumSet<AArch64.CPUFeature> computeFeatures(@SuppressWarnings("unused") AArch64HotSpotVMConfig config) {
48 // Configure the feature set using the HotSpot flag settings. 47 // Configure the feature set using the HotSpot flag settings.
49 EnumSet<AArch64.CPUFeature> features = EnumSet.noneOf(AArch64.CPUFeature.class); 48 EnumSet<AArch64.CPUFeature> features = EnumSet.noneOf(AArch64.CPUFeature.class);
50 return features; 49 return features;
51 } 50 }
52 51
53 protected EnumSet<AArch64.Flag> computeFlags(@SuppressWarnings("unused") HotSpotVMConfig config) { 52 protected EnumSet<AArch64.Flag> computeFlags(@SuppressWarnings("unused") AArch64HotSpotVMConfig config) {
54 EnumSet<AArch64.Flag> flags = EnumSet.noneOf(AArch64.Flag.class); 53 EnumSet<AArch64.Flag> flags = EnumSet.noneOf(AArch64.Flag.class);
55 return flags; 54 return flags;
56 } 55 }
57 56
58 protected TargetDescription createTarget(HotSpotVMConfig config) { 57 protected TargetDescription createTarget(AArch64HotSpotVMConfig config) {
59 final int stackFrameAlignment = 16; 58 final int stackFrameAlignment = 16;
60 final int implicitNullCheckLimit = 4096; 59 final int implicitNullCheckLimit = 4096;
61 final boolean inlineObjects = true; 60 final boolean inlineObjects = true;
62 Architecture arch = new AArch64(computeFeatures(config), computeFlags(config)); 61 Architecture arch = new AArch64(computeFeatures(config), computeFlags(config));
63 return new TargetDescription(arch, true, stackFrameAlignment, implicitNullCheckLimit, inlineObjects); 62 return new TargetDescription(arch, true, stackFrameAlignment, implicitNullCheckLimit, inlineObjects);
65 64
66 protected HotSpotConstantReflectionProvider createConstantReflection(HotSpotJVMCIRuntimeProvider runtime) { 65 protected HotSpotConstantReflectionProvider createConstantReflection(HotSpotJVMCIRuntimeProvider runtime) {
67 return new HotSpotConstantReflectionProvider(runtime); 66 return new HotSpotConstantReflectionProvider(runtime);
68 } 67 }
69 68
70 protected RegisterConfig createRegisterConfig(HotSpotJVMCIRuntimeProvider runtime, TargetDescription target) { 69 protected RegisterConfig createRegisterConfig(AArch64HotSpotVMConfig config, TargetDescription target) {
71 return new AArch64HotSpotRegisterConfig(target, runtime.getConfig()); 70 return new AArch64HotSpotRegisterConfig(target, config.useCompressedOops);
72 } 71 }
73 72
74 protected HotSpotCodeCacheProvider createCodeCache(HotSpotJVMCIRuntimeProvider runtime, TargetDescription target, RegisterConfig regConfig) { 73 protected HotSpotCodeCacheProvider createCodeCache(HotSpotJVMCIRuntimeProvider runtime, TargetDescription target, RegisterConfig regConfig) {
75 return new HotSpotCodeCacheProvider(runtime, runtime.getConfig(), target, regConfig); 74 return new HotSpotCodeCacheProvider(runtime, runtime.getConfig(), target, regConfig);
76 } 75 }
91 90
92 @SuppressWarnings("try") 91 @SuppressWarnings("try")
93 public JVMCIBackend createJVMCIBackend(HotSpotJVMCIRuntimeProvider runtime, JVMCIBackend host) { 92 public JVMCIBackend createJVMCIBackend(HotSpotJVMCIRuntimeProvider runtime, JVMCIBackend host) {
94 93
95 assert host == null; 94 assert host == null;
96 TargetDescription target = createTarget(runtime.getConfig()); 95 AArch64HotSpotVMConfig config = new AArch64HotSpotVMConfig(runtime.getConfigStore());
96 TargetDescription target = createTarget(config);
97 97
98 RegisterConfig regConfig; 98 RegisterConfig regConfig;
99 HotSpotCodeCacheProvider codeCache; 99 HotSpotCodeCacheProvider codeCache;
100 ConstantReflectionProvider constantReflection; 100 ConstantReflectionProvider constantReflection;
101 HotSpotMetaAccessProvider metaAccess; 101 HotSpotMetaAccessProvider metaAccess;
103 try (InitTimer t = timer("create providers")) { 103 try (InitTimer t = timer("create providers")) {
104 try (InitTimer rt = timer("create MetaAccess provider")) { 104 try (InitTimer rt = timer("create MetaAccess provider")) {
105 metaAccess = createMetaAccess(runtime); 105 metaAccess = createMetaAccess(runtime);
106 } 106 }
107 try (InitTimer rt = timer("create RegisterConfig")) { 107 try (InitTimer rt = timer("create RegisterConfig")) {
108 regConfig = createRegisterConfig(runtime, target); 108 regConfig = createRegisterConfig(config, target);
109 } 109 }
110 try (InitTimer rt = timer("create CodeCache provider")) { 110 try (InitTimer rt = timer("create CodeCache provider")) {
111 codeCache = createCodeCache(runtime, target, regConfig); 111 codeCache = createCodeCache(runtime, target, regConfig);
112 } 112 }
113 try (InitTimer rt = timer("create ConstantReflection provider")) { 113 try (InitTimer rt = timer("create ConstantReflection provider")) {