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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package org.graalvm.compiler.hotspot;

import org.graalvm.compiler.api.replacements.SnippetReflectionProvider;
import org.graalvm.compiler.bytecode.BytecodeProvider;
import org.graalvm.compiler.hotspot.meta.HotSpotWordOperationPlugin;
import org.graalvm.compiler.hotspot.word.HotSpotOperation;
import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderPlugin;
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.meta.ResolvedJavaMethod;

Filters certain method substitutions based on whether there is underlying hardware support for them.
/** * Filters certain method substitutions based on whether there is underlying hardware support for * them. */
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); } @Override public Class<? extends GraphBuilderPlugin> getIntrinsifyingPlugin(ResolvedJavaMethod method) { return method.getAnnotation(HotSpotOperation.class) != null ? HotSpotWordOperationPlugin.class : super.getIntrinsifyingPlugin(method); } private boolean snippetRegistrationClosed; @Override public void registerSnippet(ResolvedJavaMethod method, ResolvedJavaMethod original, Object receiver, boolean trackNodeSourcePosition) { assert !snippetRegistrationClosed; super.registerSnippet(method, original, receiver, trackNodeSourcePosition); } @Override public void closeSnippetRegistration() { snippetRegistrationClosed = true; } }