< prev index next >
src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/HotSpotReplacementsImpl.java
Print this page
@@ -22,21 +22,38 @@
*/
package org.graalvm.compiler.hotspot;
+import static jdk.vm.ci.services.Services.IS_BUILDING_NATIVE_IMAGE;
+import static jdk.vm.ci.services.Services.IS_IN_NATIVE_IMAGE;
+import static org.graalvm.compiler.replacements.ReplacementsImpl.Options.UseEncodedSnippets;
+
+import java.util.Set;
+
+import jdk.internal.vm.compiler.collections.EconomicSet;
import org.graalvm.compiler.api.replacements.SnippetReflectionProvider;
import org.graalvm.compiler.bytecode.BytecodeProvider;
+import org.graalvm.compiler.core.common.CompilationIdentifier;
+import org.graalvm.compiler.debug.DebugContext;
+import org.graalvm.compiler.debug.GraalError;
+import org.graalvm.compiler.graph.NodeSourcePosition;
import org.graalvm.compiler.hotspot.meta.HotSpotWordOperationPlugin;
import org.graalvm.compiler.hotspot.word.HotSpotOperation;
+import org.graalvm.compiler.nodes.Invoke;
+import org.graalvm.compiler.nodes.StructuredGraph;
+import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext;
import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderPlugin;
+import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin;
+import org.graalvm.compiler.nodes.graphbuilderconf.MethodSubstitutionPlugin;
import org.graalvm.compiler.options.OptionValues;
import org.graalvm.compiler.phases.util.Providers;
import org.graalvm.compiler.printer.GraalDebugHandlersFactory;
import org.graalvm.compiler.replacements.ReplacementsImpl;
import jdk.vm.ci.code.TargetDescription;
+import jdk.vm.ci.common.NativeImageReinitialize;
import jdk.vm.ci.meta.ResolvedJavaMethod;
/**
* Filters certain method substitutions based on whether there is underlying hardware support for
* them.
@@ -44,23 +61,151 @@
public class HotSpotReplacementsImpl extends ReplacementsImpl {
public HotSpotReplacementsImpl(OptionValues options, Providers providers, SnippetReflectionProvider snippetReflection, BytecodeProvider bytecodeProvider, TargetDescription target) {
super(options, new GraalDebugHandlersFactory(snippetReflection), providers, snippetReflection, bytecodeProvider, target);
}
+ protected HotSpotReplacementsImpl(HotSpotReplacementsImpl replacements, Providers providers) {
+ super(replacements.options, new GraalDebugHandlersFactory(replacements.snippetReflection), providers, replacements.snippetReflection,
+ replacements.getDefaultReplacementBytecodeProvider(), replacements.target);
+ }
+
@Override
public Class<? extends GraphBuilderPlugin> getIntrinsifyingPlugin(ResolvedJavaMethod method) {
return method.getAnnotation(HotSpotOperation.class) != null ? HotSpotWordOperationPlugin.class : super.getIntrinsifyingPlugin(method);
}
+ public void registerMethodSubstitution(ResolvedJavaMethod method, ResolvedJavaMethod original) {
+ if (!IS_IN_NATIVE_IMAGE) {
+ if (IS_BUILDING_NATIVE_IMAGE || UseEncodedSnippets.getValue(options)) {
+ synchronized (HotSpotReplacementsImpl.class) {
+ if (snippetEncoder == null) {
+ snippetEncoder = new SymbolicSnippetEncoder(this);
+ }
+ snippetEncoder.registerMethodSubstitution(method, original);
+ }
+ }
+ }
+ }
+
+ @Override
+ public StructuredGraph getIntrinsicGraph(ResolvedJavaMethod method, CompilationIdentifier compilationId, DebugContext debug) {
+ if (IS_IN_NATIVE_IMAGE) {
+ HotSpotReplacementsImpl replacements = (HotSpotReplacementsImpl) providers.getReplacements();
+ InvocationPlugin plugin = replacements.getGraphBuilderPlugins().getInvocationPlugins().lookupInvocation(method);
+ if (plugin instanceof MethodSubstitutionPlugin) {
+ MethodSubstitutionPlugin msp = (MethodSubstitutionPlugin) plugin;
+ return replacements.getMethodSubstitution(msp, method);
+ }
+ return null;
+ }
+ return super.getIntrinsicGraph(method, compilationId, debug);
+ }
+
+ @Override
+ public void notifyNotInlined(GraphBuilderContext b, ResolvedJavaMethod method, Invoke invoke) {
+ if (b.parsingIntrinsic() && snippetEncoder != null) {
+ if (getIntrinsifyingPlugin(method) != null) {
+ snippetEncoder.addDelayedInvocationPluginMethod(method);
+ return;
+ }
+ }
+ super.notifyNotInlined(b, method, invoke);
+ }
+
+ // When assertions are enabled, these fields are used to ensure all snippets are
+ // registered during Graal initialization which in turn ensures that native image
+ // building will not miss any snippets.
+ @NativeImageReinitialize private EconomicSet<ResolvedJavaMethod> registeredSnippets = EconomicSet.create();
private boolean snippetRegistrationClosed;
@Override
public void registerSnippet(ResolvedJavaMethod method, ResolvedJavaMethod original, Object receiver, boolean trackNodeSourcePosition) {
- assert !snippetRegistrationClosed;
- super.registerSnippet(method, original, receiver, trackNodeSourcePosition);
+ if (!IS_IN_NATIVE_IMAGE) {
+ assert !snippetRegistrationClosed : "Cannot register snippet after registration is closed: " + method.format("%H.%n(%p)");
+ assert registeredSnippets.add(method) : "Cannot register snippet twice: " + method.format("%H.%n(%p)");
+ if (IS_BUILDING_NATIVE_IMAGE || UseEncodedSnippets.getValue(options)) {
+ synchronized (HotSpotReplacementsImpl.class) {
+ if (snippetEncoder == null) {
+ snippetEncoder = new SymbolicSnippetEncoder(this);
+ }
+ snippetEncoder.registerSnippet(method, original, receiver, trackNodeSourcePosition);
+ }
+ }
+ }
}
@Override
public void closeSnippetRegistration() {
snippetRegistrationClosed = true;
}
+
+ static SymbolicSnippetEncoder.EncodedSnippets getEncodedSnippets() {
+ return encodedSnippets;
+ }
+
+ public Set<ResolvedJavaMethod> getSnippetMethods() {
+ if (snippetEncoder != null) {
+ return snippetEncoder.getSnippetMethods();
+ }
+ return null;
+ }
+
+ static void setEncodedSnippets(SymbolicSnippetEncoder.EncodedSnippets encodedSnippets) {
+ HotSpotReplacementsImpl.encodedSnippets = encodedSnippets;
+ }
+
+ public boolean encode() {
+ SymbolicSnippetEncoder encoder = HotSpotReplacementsImpl.snippetEncoder;
+ if (encoder != null) {
+ return encoder.encode();
+ }
+ return false;
+ }
+
+ private static volatile SymbolicSnippetEncoder.EncodedSnippets encodedSnippets;
+
+ @NativeImageReinitialize static SymbolicSnippetEncoder snippetEncoder;
+
+ @Override
+ public StructuredGraph getSnippet(ResolvedJavaMethod method, ResolvedJavaMethod recursiveEntry, Object[] args, boolean trackNodeSourcePosition, NodeSourcePosition replaceePosition) {
+ StructuredGraph graph = getEncodedSnippet(method, args);
+ if (graph != null) {
+ return graph;
+ }
+
+ assert !IS_IN_NATIVE_IMAGE : "should be using encoded snippets";
+ return super.getSnippet(method, recursiveEntry, args, trackNodeSourcePosition, replaceePosition);
+ }
+
+ public StructuredGraph getEncodedSnippet(ResolvedJavaMethod method, Object[] args) {
+ if (IS_IN_NATIVE_IMAGE || UseEncodedSnippets.getValue(options)) {
+ synchronized (HotSpotReplacementsImpl.class) {
+ if (!IS_IN_NATIVE_IMAGE && UseEncodedSnippets.getValue(options)) {
+ snippetEncoder.encode();
+ }
+
+ if (getEncodedSnippets() == null) {
+ throw GraalError.shouldNotReachHere("encoded snippets not found");
+ }
+ StructuredGraph graph = getEncodedSnippets().getEncodedSnippet(method, this, args);
+ if (graph == null) {
+ throw GraalError.shouldNotReachHere("snippet not found: " + method.format("%H.%n(%p)"));
+ }
+ return graph;
+ }
+ } else if (registeredSnippets != null) {
+ assert registeredSnippets.contains(method) : "Asking for snippet method that was never registered: " + method.format("%H.%n(%p)");
+ }
+ return null;
+ }
+
+ public StructuredGraph getMethodSubstitution(MethodSubstitutionPlugin plugin, ResolvedJavaMethod original) {
+ if (IS_IN_NATIVE_IMAGE || UseEncodedSnippets.getValue(options)) {
+ if (getEncodedSnippets() == null) {
+ throw GraalError.shouldNotReachHere("encoded snippets not found");
+ }
+ return getEncodedSnippets().getMethodSubstitutionGraph(plugin, original, this);
+ }
+ return null;
+ }
+
}
< prev index next >