| /* |
| * Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * 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. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package org.graalvm.compiler.replacements; |
| |
| import static org.graalvm.compiler.core.common.GraalOptions.ImmutableCode; |
| import static org.graalvm.compiler.core.common.GraalOptions.SnippetCounters; |
| import static org.graalvm.compiler.replacements.SnippetTemplate.DEFAULT_REPLACER; |
| |
| import java.util.EnumMap; |
| |
| import org.graalvm.compiler.api.replacements.Snippet; |
| import org.graalvm.compiler.api.replacements.SnippetReflectionProvider; |
| import org.graalvm.compiler.core.common.type.StampFactory; |
| import org.graalvm.compiler.debug.Debug; |
| import org.graalvm.compiler.nodes.ConstantNode; |
| import org.graalvm.compiler.nodes.PiNode; |
| import org.graalvm.compiler.nodes.ValueNode; |
| import org.graalvm.compiler.nodes.calc.FloatingNode; |
| import org.graalvm.compiler.nodes.extended.BoxNode; |
| import org.graalvm.compiler.nodes.extended.UnboxNode; |
| import org.graalvm.compiler.nodes.spi.LoweringTool; |
| import org.graalvm.compiler.phases.util.Providers; |
| import org.graalvm.compiler.replacements.SnippetTemplate.AbstractTemplates; |
| import org.graalvm.compiler.replacements.SnippetTemplate.Arguments; |
| import org.graalvm.compiler.replacements.SnippetTemplate.SnippetInfo; |
| |
| import jdk.vm.ci.code.TargetDescription; |
| import jdk.vm.ci.meta.ConstantReflectionProvider; |
| import jdk.vm.ci.meta.JavaConstant; |
| import jdk.vm.ci.meta.JavaKind; |
| import jdk.vm.ci.meta.MetaAccessProvider; |
| |
| public class BoxingSnippets implements Snippets { |
| |
| @Snippet |
| public static Object booleanValueOf(boolean value) { |
| valueOfCounter.inc(); |
| return PiNode.piCast(Boolean.valueOf(value), StampFactory.forNodeIntrinsic()); |
| } |
| |
| @Snippet |
| public static Object byteValueOf(byte value) { |
| valueOfCounter.inc(); |
| return PiNode.piCast(Byte.valueOf(value), StampFactory.forNodeIntrinsic()); |
| } |
| |
| @Snippet |
| public static Object charValueOf(char value) { |
| valueOfCounter.inc(); |
| return PiNode.piCast(Character.valueOf(value), StampFactory.forNodeIntrinsic()); |
| } |
| |
| @Snippet |
| public static Object doubleValueOf(double value) { |
| valueOfCounter.inc(); |
| return PiNode.piCast(Double.valueOf(value), StampFactory.forNodeIntrinsic()); |
| } |
| |
| @Snippet |
| public static Object floatValueOf(float value) { |
| valueOfCounter.inc(); |
| return PiNode.piCast(Float.valueOf(value), StampFactory.forNodeIntrinsic()); |
| } |
| |
| @Snippet |
| public static Object intValueOf(int value) { |
| valueOfCounter.inc(); |
| return PiNode.piCast(Integer.valueOf(value), StampFactory.forNodeIntrinsic()); |
| } |
| |
| @Snippet |
| public static Object longValueOf(long value) { |
| valueOfCounter.inc(); |
| return PiNode.piCast(Long.valueOf(value), StampFactory.forNodeIntrinsic()); |
| } |
| |
| @Snippet |
| public static Object shortValueOf(short value) { |
| valueOfCounter.inc(); |
| return PiNode.piCast(Short.valueOf(value), StampFactory.forNodeIntrinsic()); |
| } |
| |
| @Snippet |
| public static boolean booleanValue(Boolean value) { |
| valueOfCounter.inc(); |
| return value.booleanValue(); |
| } |
| |
| @Snippet |
| public static byte byteValue(Byte value) { |
| valueOfCounter.inc(); |
| return value.byteValue(); |
| } |
| |
| @Snippet |
| public static char charValue(Character value) { |
| valueOfCounter.inc(); |
| return value.charValue(); |
| } |
| |
| @Snippet |
| public static double doubleValue(Double value) { |
| valueOfCounter.inc(); |
| return value.doubleValue(); |
| } |
| |
| @Snippet |
| public static float floatValue(Float value) { |
| valueOfCounter.inc(); |
| return value.floatValue(); |
| } |
| |
| @Snippet |
| public static int intValue(Integer value) { |
| valueOfCounter.inc(); |
| return value.intValue(); |
| } |
| |
| @Snippet |
| public static long longValue(Long value) { |
| valueOfCounter.inc(); |
| return value.longValue(); |
| } |
| |
| @Snippet |
| public static short shortValue(Short value) { |
| valueOfCounter.inc(); |
| return value.shortValue(); |
| } |
| |
| public static FloatingNode canonicalizeBoxing(BoxNode box, MetaAccessProvider metaAccess, ConstantReflectionProvider constantReflection) { |
| ValueNode value = box.getValue(); |
| if (value.isConstant()) { |
| JavaConstant sourceConstant = value.asJavaConstant(); |
| if (sourceConstant.getJavaKind() != box.getBoxingKind() && sourceConstant.getJavaKind().isNumericInteger()) { |
| switch (box.getBoxingKind()) { |
| case Boolean: |
| sourceConstant = JavaConstant.forBoolean(sourceConstant.asLong() != 0L); |
| break; |
| case Byte: |
| sourceConstant = JavaConstant.forByte((byte) sourceConstant.asLong()); |
| break; |
| case Char: |
| sourceConstant = JavaConstant.forChar((char) sourceConstant.asLong()); |
| break; |
| case Short: |
| sourceConstant = JavaConstant.forShort((short) sourceConstant.asLong()); |
| break; |
| } |
| } |
| JavaConstant boxedConstant = constantReflection.boxPrimitive(sourceConstant); |
| if (boxedConstant != null && sourceConstant.getJavaKind() == box.getBoxingKind()) { |
| return ConstantNode.forConstant(boxedConstant, metaAccess, box.graph()); |
| } |
| } |
| return null; |
| } |
| |
| public static class Templates extends AbstractTemplates { |
| |
| private final EnumMap<JavaKind, SnippetInfo> boxSnippets = new EnumMap<>(JavaKind.class); |
| private final EnumMap<JavaKind, SnippetInfo> unboxSnippets = new EnumMap<>(JavaKind.class); |
| |
| public Templates(Providers providers, SnippetReflectionProvider snippetReflection, TargetDescription target) { |
| super(providers, snippetReflection, target); |
| for (JavaKind kind : new JavaKind[]{JavaKind.Boolean, JavaKind.Byte, JavaKind.Char, JavaKind.Double, JavaKind.Float, JavaKind.Int, JavaKind.Long, JavaKind.Short}) { |
| boxSnippets.put(kind, snippet(BoxingSnippets.class, kind.getJavaName() + "ValueOf")); |
| unboxSnippets.put(kind, snippet(BoxingSnippets.class, kind.getJavaName() + "Value")); |
| } |
| } |
| |
| public void lower(BoxNode box, LoweringTool tool) { |
| FloatingNode canonical = canonicalizeBoxing(box, providers.getMetaAccess(), providers.getConstantReflection()); |
| // if in AOT mode, we don't want to embed boxed constants. |
| if (canonical != null && !ImmutableCode.getValue()) { |
| box.graph().replaceFixedWithFloating(box, canonical); |
| } else { |
| Arguments args = new Arguments(boxSnippets.get(box.getBoxingKind()), box.graph().getGuardsStage(), tool.getLoweringStage()); |
| args.add("value", box.getValue()); |
| |
| SnippetTemplate template = template(args); |
| Debug.log("Lowering integerValueOf in %s: node=%s, template=%s, arguments=%s", box.graph(), box, template, args); |
| template.instantiate(providers.getMetaAccess(), box, DEFAULT_REPLACER, args); |
| } |
| } |
| |
| public void lower(UnboxNode unbox, LoweringTool tool) { |
| Arguments args = new Arguments(unboxSnippets.get(unbox.getBoxingKind()), unbox.graph().getGuardsStage(), tool.getLoweringStage()); |
| args.add("value", unbox.getValue()); |
| |
| SnippetTemplate template = template(args); |
| Debug.log("Lowering integerValueOf in %s: node=%s, template=%s, arguments=%s", unbox.graph(), unbox, template, args); |
| template.instantiate(providers.getMetaAccess(), unbox, DEFAULT_REPLACER, args); |
| } |
| } |
| |
| private static final SnippetCounter.Group integerCounters = SnippetCounters.getValue() ? new SnippetCounter.Group("Integer intrinsifications") : null; |
| private static final SnippetCounter valueOfCounter = new SnippetCounter(integerCounters, "valueOf", "valueOf intrinsification"); |
| |
| } |