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/*
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* Copyright (c) 2012, 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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43972
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package org.graalvm.compiler.core.common.type;
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import static org.graalvm.compiler.core.common.calc.FloatConvert.D2F;
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import static org.graalvm.compiler.core.common.calc.FloatConvert.D2I;
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import static org.graalvm.compiler.core.common.calc.FloatConvert.D2L;
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import static org.graalvm.compiler.core.common.calc.FloatConvert.F2D;
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import static org.graalvm.compiler.core.common.calc.FloatConvert.F2I;
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import static org.graalvm.compiler.core.common.calc.FloatConvert.F2L;
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import java.nio.ByteBuffer;
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import java.util.function.DoubleBinaryOperator;
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import org.graalvm.compiler.core.common.LIRKind;
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import org.graalvm.compiler.core.common.spi.LIRKindTool;
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import org.graalvm.compiler.core.common.type.ArithmeticOpTable.BinaryOp;
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import org.graalvm.compiler.core.common.type.ArithmeticOpTable.FloatConvertOp;
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import org.graalvm.compiler.core.common.type.ArithmeticOpTable.UnaryOp;
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import org.graalvm.compiler.debug.GraalError;
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import jdk.vm.ci.meta.Constant;
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import jdk.vm.ci.meta.JavaConstant;
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import jdk.vm.ci.meta.JavaKind;
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import jdk.vm.ci.meta.MetaAccessProvider;
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import jdk.vm.ci.meta.PrimitiveConstant;
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import jdk.vm.ci.meta.ResolvedJavaType;
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import jdk.vm.ci.meta.SerializableConstant;
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public class FloatStamp extends PrimitiveStamp {
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private final double lowerBound;
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private final double upperBound;
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private final boolean nonNaN;
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protected FloatStamp(int bits) {
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this(bits, Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY, false);
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}
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public FloatStamp(int bits, double lowerBound, double upperBound, boolean nonNaN) {
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super(bits, OPS);
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assert bits == 64 || (bits == 32 && (Double.isNaN(lowerBound) || (float) lowerBound == lowerBound) && (Double.isNaN(upperBound) || (float) upperBound == upperBound));
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assert Double.isNaN(lowerBound) == Double.isNaN(upperBound);
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this.lowerBound = lowerBound;
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this.upperBound = upperBound;
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this.nonNaN = nonNaN;
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}
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@Override
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public Stamp unrestricted() {
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return new FloatStamp(getBits());
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}
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@Override
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public Stamp empty() {
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return new FloatStamp(getBits(), Double.POSITIVE_INFINITY, Double.NEGATIVE_INFINITY, true);
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}
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@Override
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public Stamp constant(Constant c, MetaAccessProvider meta) {
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JavaConstant jc = (JavaConstant) c;
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assert jc.getJavaKind().isNumericFloat() && jc.getJavaKind().getBitCount() == getBits();
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return StampFactory.forConstant(jc);
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}
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@Override
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public SerializableConstant deserialize(ByteBuffer buffer) {
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switch (getBits()) {
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case 32:
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return JavaConstant.forFloat(buffer.getFloat());
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case 64:
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return JavaConstant.forDouble(buffer.getDouble());
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default:
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throw GraalError.shouldNotReachHere();
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}
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}
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@Override
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public boolean hasValues() {
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return lowerBound <= upperBound || !nonNaN;
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}
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@Override
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public JavaKind getStackKind() {
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if (getBits() > 32) {
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return JavaKind.Double;
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} else {
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return JavaKind.Float;
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}
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}
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@Override
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public LIRKind getLIRKind(LIRKindTool tool) {
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return tool.getFloatingKind(getBits());
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}
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@Override
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public ResolvedJavaType javaType(MetaAccessProvider metaAccess) {
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switch (getBits()) {
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case 32:
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return metaAccess.lookupJavaType(Float.TYPE);
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case 64:
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return metaAccess.lookupJavaType(Double.TYPE);
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default:
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throw GraalError.shouldNotReachHere();
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}
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}
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/**
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* The (inclusive) lower bound on the value described by this stamp.
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*/
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public double lowerBound() {
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return lowerBound;
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}
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/**
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* The (inclusive) upper bound on the value described by this stamp.
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*/
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public double upperBound() {
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return upperBound;
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}
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/**
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* Returns true if NaN is non included in the value described by this stamp.
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*/
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public boolean isNonNaN() {
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return nonNaN;
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}
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/**
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* Returns true if NaN is included in the value described by this stamp.
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*/
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public boolean canBeNaN() {
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return !nonNaN;
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}
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/**
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* Returns true if this stamp represents the NaN value.
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*/
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public boolean isNaN() {
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return Double.isNaN(lowerBound);
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}
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@Override
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public boolean isUnrestricted() {
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return lowerBound == Double.NEGATIVE_INFINITY && upperBound == Double.POSITIVE_INFINITY && !nonNaN;
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}
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public boolean contains(double value) {
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if (Double.isNaN(value)) {
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return !nonNaN;
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} else {
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/*
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* Don't use Double.compare for checking the bounds as -0.0 isn't correctly tracked, so
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* the presence of 0.0 means -0.0 might also exist in the range.
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*/
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return value >= lowerBound && value <= upperBound;
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}
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}
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@Override
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public String toString() {
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StringBuilder str = new StringBuilder();
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str.append('f');
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str.append(getBits());
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if (hasValues()) {
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str.append(nonNaN ? "!" : "");
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if (lowerBound == upperBound) {
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str.append(" [").append(lowerBound).append(']');
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} else if (lowerBound != Double.NEGATIVE_INFINITY || upperBound != Double.POSITIVE_INFINITY) {
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str.append(" [").append(lowerBound).append(" - ").append(upperBound).append(']');
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}
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} else {
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str.append("<empty>");
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}
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return str.toString();
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}
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private static double meetBounds(double a, double b, DoubleBinaryOperator op) {
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if (Double.isNaN(a)) {
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return b;
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} else if (Double.isNaN(b)) {
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return a;
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} else {
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return op.applyAsDouble(a, b);
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}
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}
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@Override
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public Stamp meet(Stamp otherStamp) {
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if (otherStamp == this) {
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return this;
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}
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if (isEmpty()) {
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return this;
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}
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if (otherStamp.isEmpty()) {
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return otherStamp;
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}
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FloatStamp other = (FloatStamp) otherStamp;
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assert getBits() == other.getBits();
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double meetUpperBound = meetBounds(upperBound, other.upperBound, Math::max);
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double meetLowerBound = meetBounds(lowerBound, other.lowerBound, Math::min);
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boolean meetNonNaN = nonNaN && other.nonNaN;
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if (Double.compare(meetLowerBound, lowerBound) == 0 && Double.compare(meetUpperBound, upperBound) == 0 && meetNonNaN == nonNaN) {
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return this;
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} else if (Double.compare(meetLowerBound, other.lowerBound) == 0 && Double.compare(meetUpperBound, other.upperBound) == 0 && meetNonNaN == other.nonNaN) {
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return other;
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} else {
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return new FloatStamp(getBits(), meetLowerBound, meetUpperBound, meetNonNaN);
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}
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}
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@Override
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public Stamp join(Stamp otherStamp) {
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if (otherStamp == this) {
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return this;
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}
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FloatStamp other = (FloatStamp) otherStamp;
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assert getBits() == other.getBits();
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double joinUpperBound = Math.min(upperBound, other.upperBound);
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double joinLowerBound = Math.max(lowerBound, other.lowerBound);
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boolean joinNonNaN = nonNaN || other.nonNaN;
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if (Double.compare(joinLowerBound, lowerBound) == 0 && Double.compare(joinUpperBound, upperBound) == 0 && joinNonNaN == nonNaN) {
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return this;
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} else if (Double.compare(joinLowerBound, other.lowerBound) == 0 && Double.compare(joinUpperBound, other.upperBound) == 0 && joinNonNaN == other.nonNaN) {
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return other;
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} else {
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return new FloatStamp(getBits(), joinLowerBound, joinUpperBound, joinNonNaN);
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}
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}
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@Override
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public int hashCode() {
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final int prime = 31;
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int result = 1;
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long temp;
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result = prime * result + super.hashCode();
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temp = Double.doubleToLongBits(lowerBound);
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result = prime * result + (int) (temp ^ (temp >>> 32));
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result = prime * result + (nonNaN ? 1231 : 1237);
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temp = Double.doubleToLongBits(upperBound);
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result = prime * result + (int) (temp ^ (temp >>> 32));
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return result;
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}
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@Override
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public boolean isCompatible(Stamp stamp) {
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if (this == stamp) {
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return true;
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}
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if (stamp instanceof FloatStamp) {
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FloatStamp other = (FloatStamp) stamp;
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return getBits() == other.getBits();
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}
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return false;
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}
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@Override
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public boolean isCompatible(Constant constant) {
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if (constant instanceof PrimitiveConstant) {
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PrimitiveConstant prim = (PrimitiveConstant) constant;
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return prim.getJavaKind().isNumericFloat();
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}
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return false;
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}
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@Override
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public boolean equals(Object obj) {
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if (this == obj) {
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return true;
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}
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if (obj == null || getClass() != obj.getClass() || !super.equals(obj)) {
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return false;
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}
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FloatStamp other = (FloatStamp) obj;
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if (Double.doubleToLongBits(lowerBound) != Double.doubleToLongBits(other.lowerBound)) {
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return false;
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}
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if (Double.doubleToLongBits(upperBound) != Double.doubleToLongBits(other.upperBound)) {
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return false;
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}
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if (nonNaN != other.nonNaN) {
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return false;
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}
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return super.equals(other);
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}
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@Override
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public JavaConstant asConstant() {
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if (isConstant()) {
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switch (getBits()) {
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case 32:
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return JavaConstant.forFloat((float) lowerBound);
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case 64:
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return JavaConstant.forDouble(lowerBound);
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}
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}
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return null;
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}
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private boolean isConstant() {
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/*
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* There are many forms of NaNs and any operations on them can silently convert them into
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* the canonical NaN.
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*
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* We need to exclude 0 here since it can contain -0.0 && 0.0 .
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*/
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return (Double.compare(lowerBound, upperBound) == 0 && nonNaN) && lowerBound != 0;
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}
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private static FloatStamp stampForConstant(Constant constant) {
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FloatStamp result;
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PrimitiveConstant value = (PrimitiveConstant) constant;
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switch (value.getJavaKind()) {
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case Float:
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if (Float.isNaN(value.asFloat())) {
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result = new FloatStamp(32, Double.NaN, Double.NaN, false);
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} else {
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result = new FloatStamp(32, value.asFloat(), value.asFloat(), !Float.isNaN(value.asFloat()));
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}
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break;
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case Double:
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if (Double.isNaN(value.asDouble())) {
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result = new FloatStamp(64, Double.NaN, Double.NaN, false);
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} else {
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result = new FloatStamp(64, value.asDouble(), value.asDouble(), !Double.isNaN(value.asDouble()));
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}
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break;
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default:
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throw GraalError.shouldNotReachHere();
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}
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if (result.isConstant()) {
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return result;
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}
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return null;
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}
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private static Stamp maybeFoldConstant(UnaryOp<?> op, FloatStamp stamp) {
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if (stamp.isConstant()) {
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JavaConstant constant = stamp.asConstant();
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Constant folded = op.foldConstant(constant);
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if (folded != null) {
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return FloatStamp.stampForConstant(folded);
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}
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}
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return null;
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}
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private static Stamp maybeFoldConstant(BinaryOp<?> op, FloatStamp stamp1, FloatStamp stamp2) {
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if (stamp1.isConstant() && stamp2.isConstant()) {
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JavaConstant constant1 = stamp1.asConstant();
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JavaConstant constant2 = stamp2.asConstant();
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Constant folded = op.foldConstant(constant1, constant2);
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if (folded != null) {
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FloatStamp stamp = stampForConstant(folded);
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if (stamp != null && stamp.isConstant()) {
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assert stamp.asConstant().equals(folded);
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return stamp;
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}
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}
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}
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return null;
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}
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46963
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public static final ArithmeticOpTable OPS = new ArithmeticOpTable(
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43972
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new UnaryOp.Neg() {
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@Override
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public Constant foldConstant(Constant c) {
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PrimitiveConstant value = (PrimitiveConstant) c;
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switch (value.getJavaKind()) {
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case Float:
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return JavaConstant.forFloat(-value.asFloat());
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case Double:
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return JavaConstant.forDouble(-value.asDouble());
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default:
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throw GraalError.shouldNotReachHere();
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}
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}
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@Override
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public Stamp foldStamp(Stamp s) {
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49451
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407 |
if (s.isEmpty()) {
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return s;
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}
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43972
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FloatStamp stamp = (FloatStamp) s;
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47798
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Stamp folded = maybeFoldConstant(this, stamp);
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if (folded != null) {
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return folded;
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}
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43972
|
415 |
return new FloatStamp(stamp.getBits(), -stamp.upperBound(), -stamp.lowerBound(), stamp.isNonNaN());
|
|
416 |
}
|
47798
|
417 |
|
43972
|
418 |
},
|
|
419 |
|
|
420 |
new BinaryOp.Add(false, true) {
|
|
421 |
|
|
422 |
@Override
|
|
423 |
public Constant foldConstant(Constant const1, Constant const2) {
|
|
424 |
PrimitiveConstant a = (PrimitiveConstant) const1;
|
|
425 |
PrimitiveConstant b = (PrimitiveConstant) const2;
|
|
426 |
assert a.getJavaKind() == b.getJavaKind();
|
|
427 |
switch (a.getJavaKind()) {
|
|
428 |
case Float:
|
|
429 |
return JavaConstant.forFloat(a.asFloat() + b.asFloat());
|
|
430 |
case Double:
|
|
431 |
return JavaConstant.forDouble(a.asDouble() + b.asDouble());
|
|
432 |
default:
|
|
433 |
throw GraalError.shouldNotReachHere();
|
|
434 |
}
|
|
435 |
}
|
|
436 |
|
|
437 |
@Override
|
47798
|
438 |
public Stamp foldStamp(Stamp s1, Stamp s2) {
|
49451
|
439 |
if (s1.isEmpty()) {
|
|
440 |
return s1;
|
|
441 |
}
|
|
442 |
if (s2.isEmpty()) {
|
|
443 |
return s2;
|
|
444 |
}
|
47798
|
445 |
FloatStamp stamp1 = (FloatStamp) s1;
|
|
446 |
FloatStamp stamp2 = (FloatStamp) s2;
|
|
447 |
Stamp folded = maybeFoldConstant(this, stamp1, stamp2);
|
|
448 |
if (folded != null) {
|
|
449 |
return folded;
|
|
450 |
}
|
43972
|
451 |
return stamp1.unrestricted();
|
|
452 |
}
|
|
453 |
|
|
454 |
@Override
|
|
455 |
public boolean isNeutral(Constant value) {
|
|
456 |
PrimitiveConstant n = (PrimitiveConstant) value;
|
|
457 |
switch (n.getJavaKind()) {
|
|
458 |
case Float:
|
|
459 |
return Float.compare(n.asFloat(), -0.0f) == 0;
|
|
460 |
case Double:
|
|
461 |
return Double.compare(n.asDouble(), -0.0) == 0;
|
|
462 |
default:
|
|
463 |
throw GraalError.shouldNotReachHere();
|
|
464 |
}
|
|
465 |
}
|
|
466 |
},
|
|
467 |
|
|
468 |
new BinaryOp.Sub(false, false) {
|
|
469 |
|
|
470 |
@Override
|
|
471 |
public Constant foldConstant(Constant const1, Constant const2) {
|
|
472 |
PrimitiveConstant a = (PrimitiveConstant) const1;
|
|
473 |
PrimitiveConstant b = (PrimitiveConstant) const2;
|
|
474 |
assert a.getJavaKind() == b.getJavaKind();
|
|
475 |
switch (a.getJavaKind()) {
|
|
476 |
case Float:
|
|
477 |
return JavaConstant.forFloat(a.asFloat() - b.asFloat());
|
|
478 |
case Double:
|
|
479 |
return JavaConstant.forDouble(a.asDouble() - b.asDouble());
|
|
480 |
default:
|
|
481 |
throw GraalError.shouldNotReachHere();
|
|
482 |
}
|
|
483 |
}
|
|
484 |
|
|
485 |
@Override
|
47798
|
486 |
public Stamp foldStamp(Stamp s1, Stamp s2) {
|
49451
|
487 |
if (s1.isEmpty()) {
|
|
488 |
return s1;
|
|
489 |
}
|
|
490 |
if (s2.isEmpty()) {
|
|
491 |
return s2;
|
|
492 |
}
|
47798
|
493 |
FloatStamp stamp1 = (FloatStamp) s1;
|
|
494 |
FloatStamp stamp2 = (FloatStamp) s2;
|
|
495 |
Stamp folded = maybeFoldConstant(this, stamp1, stamp2);
|
|
496 |
if (folded != null) {
|
|
497 |
return folded;
|
|
498 |
}
|
43972
|
499 |
return stamp1.unrestricted();
|
|
500 |
}
|
|
501 |
|
|
502 |
@Override
|
|
503 |
public boolean isNeutral(Constant value) {
|
|
504 |
PrimitiveConstant n = (PrimitiveConstant) value;
|
|
505 |
switch (n.getJavaKind()) {
|
|
506 |
case Float:
|
|
507 |
return Float.compare(n.asFloat(), 0.0f) == 0;
|
|
508 |
case Double:
|
|
509 |
return Double.compare(n.asDouble(), 0.0) == 0;
|
|
510 |
default:
|
|
511 |
throw GraalError.shouldNotReachHere();
|
|
512 |
}
|
|
513 |
}
|
|
514 |
},
|
|
515 |
|
|
516 |
new BinaryOp.Mul(false, true) {
|
|
517 |
|
|
518 |
@Override
|
|
519 |
public Constant foldConstant(Constant const1, Constant const2) {
|
|
520 |
PrimitiveConstant a = (PrimitiveConstant) const1;
|
|
521 |
PrimitiveConstant b = (PrimitiveConstant) const2;
|
|
522 |
assert a.getJavaKind() == b.getJavaKind();
|
|
523 |
switch (a.getJavaKind()) {
|
|
524 |
case Float:
|
|
525 |
return JavaConstant.forFloat(a.asFloat() * b.asFloat());
|
|
526 |
case Double:
|
|
527 |
return JavaConstant.forDouble(a.asDouble() * b.asDouble());
|
|
528 |
default:
|
|
529 |
throw GraalError.shouldNotReachHere();
|
|
530 |
}
|
|
531 |
}
|
|
532 |
|
|
533 |
@Override
|
47798
|
534 |
public Stamp foldStamp(Stamp s1, Stamp s2) {
|
49451
|
535 |
if (s1.isEmpty()) {
|
|
536 |
return s1;
|
|
537 |
}
|
|
538 |
if (s2.isEmpty()) {
|
|
539 |
return s2;
|
|
540 |
}
|
47798
|
541 |
FloatStamp stamp1 = (FloatStamp) s1;
|
|
542 |
FloatStamp stamp2 = (FloatStamp) s2;
|
|
543 |
Stamp folded = maybeFoldConstant(this, stamp1, stamp2);
|
|
544 |
if (folded != null) {
|
|
545 |
return folded;
|
|
546 |
}
|
|
547 |
return stamp1.unrestricted();
|
43972
|
548 |
}
|
|
549 |
|
|
550 |
@Override
|
|
551 |
public boolean isNeutral(Constant value) {
|
|
552 |
PrimitiveConstant n = (PrimitiveConstant) value;
|
|
553 |
switch (n.getJavaKind()) {
|
|
554 |
case Float:
|
|
555 |
return Float.compare(n.asFloat(), 1.0f) == 0;
|
|
556 |
case Double:
|
|
557 |
return Double.compare(n.asDouble(), 1.0) == 0;
|
|
558 |
default:
|
|
559 |
throw GraalError.shouldNotReachHere();
|
|
560 |
}
|
|
561 |
}
|
|
562 |
},
|
|
563 |
|
46963
|
564 |
null,
|
|
565 |
|
|
566 |
null,
|
|
567 |
|
43972
|
568 |
new BinaryOp.Div(false, false) {
|
|
569 |
|
|
570 |
@Override
|
|
571 |
public Constant foldConstant(Constant const1, Constant const2) {
|
|
572 |
PrimitiveConstant a = (PrimitiveConstant) const1;
|
|
573 |
PrimitiveConstant b = (PrimitiveConstant) const2;
|
|
574 |
assert a.getJavaKind() == b.getJavaKind();
|
|
575 |
switch (a.getJavaKind()) {
|
|
576 |
case Float:
|
47798
|
577 |
float floatDivisor = b.asFloat();
|
|
578 |
return (floatDivisor == 0) ? null : JavaConstant.forFloat(a.asFloat() / floatDivisor);
|
43972
|
579 |
case Double:
|
47798
|
580 |
double doubleDivisor = b.asDouble();
|
|
581 |
return (doubleDivisor == 0) ? null : JavaConstant.forDouble(a.asDouble() / doubleDivisor);
|
43972
|
582 |
default:
|
|
583 |
throw GraalError.shouldNotReachHere();
|
|
584 |
}
|
|
585 |
}
|
|
586 |
|
|
587 |
@Override
|
47798
|
588 |
public Stamp foldStamp(Stamp s1, Stamp s2) {
|
49451
|
589 |
if (s1.isEmpty()) {
|
|
590 |
return s1;
|
|
591 |
}
|
|
592 |
if (s2.isEmpty()) {
|
|
593 |
return s2;
|
|
594 |
}
|
47798
|
595 |
FloatStamp stamp1 = (FloatStamp) s1;
|
|
596 |
FloatStamp stamp2 = (FloatStamp) s2;
|
|
597 |
Stamp folded = maybeFoldConstant(this, stamp1, stamp2);
|
|
598 |
if (folded != null) {
|
|
599 |
return folded;
|
|
600 |
}
|
43972
|
601 |
return stamp1.unrestricted();
|
|
602 |
}
|
|
603 |
|
|
604 |
@Override
|
|
605 |
public boolean isNeutral(Constant value) {
|
|
606 |
PrimitiveConstant n = (PrimitiveConstant) value;
|
|
607 |
switch (n.getJavaKind()) {
|
|
608 |
case Float:
|
|
609 |
return Float.compare(n.asFloat(), 1.0f) == 0;
|
|
610 |
case Double:
|
|
611 |
return Double.compare(n.asDouble(), 1.0) == 0;
|
|
612 |
default:
|
|
613 |
throw GraalError.shouldNotReachHere();
|
|
614 |
}
|
|
615 |
}
|
|
616 |
},
|
|
617 |
|
|
618 |
new BinaryOp.Rem(false, false) {
|
|
619 |
|
|
620 |
@Override
|
|
621 |
public Constant foldConstant(Constant const1, Constant const2) {
|
|
622 |
PrimitiveConstant a = (PrimitiveConstant) const1;
|
|
623 |
PrimitiveConstant b = (PrimitiveConstant) const2;
|
|
624 |
assert a.getJavaKind() == b.getJavaKind();
|
|
625 |
switch (a.getJavaKind()) {
|
|
626 |
case Float:
|
|
627 |
return JavaConstant.forFloat(a.asFloat() % b.asFloat());
|
|
628 |
case Double:
|
|
629 |
return JavaConstant.forDouble(a.asDouble() % b.asDouble());
|
|
630 |
default:
|
|
631 |
throw GraalError.shouldNotReachHere();
|
|
632 |
}
|
|
633 |
}
|
|
634 |
|
|
635 |
@Override
|
47798
|
636 |
public Stamp foldStamp(Stamp s1, Stamp s2) {
|
49451
|
637 |
if (s1.isEmpty()) {
|
|
638 |
return s1;
|
|
639 |
}
|
|
640 |
if (s2.isEmpty()) {
|
|
641 |
return s2;
|
|
642 |
}
|
47798
|
643 |
FloatStamp stamp1 = (FloatStamp) s1;
|
|
644 |
FloatStamp stamp2 = (FloatStamp) s2;
|
|
645 |
Stamp folded = maybeFoldConstant(this, stamp1, stamp2);
|
|
646 |
if (folded != null) {
|
|
647 |
return folded;
|
|
648 |
}
|
43972
|
649 |
return stamp1.unrestricted();
|
|
650 |
}
|
|
651 |
},
|
|
652 |
|
|
653 |
new UnaryOp.Not() {
|
|
654 |
|
|
655 |
@Override
|
|
656 |
public Constant foldConstant(Constant c) {
|
|
657 |
PrimitiveConstant value = (PrimitiveConstant) c;
|
|
658 |
switch (value.getJavaKind()) {
|
|
659 |
case Float:
|
|
660 |
int f = Float.floatToRawIntBits(value.asFloat());
|
|
661 |
return JavaConstant.forFloat(Float.intBitsToFloat(~f));
|
|
662 |
case Double:
|
|
663 |
long d = Double.doubleToRawLongBits(value.asDouble());
|
|
664 |
return JavaConstant.forDouble(Double.longBitsToDouble(~d));
|
|
665 |
default:
|
|
666 |
throw GraalError.shouldNotReachHere();
|
|
667 |
}
|
|
668 |
}
|
|
669 |
|
|
670 |
@Override
|
|
671 |
public Stamp foldStamp(Stamp s) {
|
49451
|
672 |
if (s.isEmpty()) {
|
|
673 |
return s;
|
|
674 |
}
|
47798
|
675 |
FloatStamp stamp = (FloatStamp) s;
|
|
676 |
JavaConstant constant = stamp.asConstant();
|
|
677 |
if (constant != null) {
|
|
678 |
Constant folded = foldConstant(constant);
|
|
679 |
if (folded != null) {
|
|
680 |
FloatStamp result = stampForConstant(folded);
|
|
681 |
if (result != null && result.isConstant()) {
|
|
682 |
return result;
|
|
683 |
}
|
|
684 |
}
|
|
685 |
}
|
43972
|
686 |
return s.unrestricted();
|
|
687 |
}
|
|
688 |
},
|
|
689 |
|
|
690 |
new BinaryOp.And(true, true) {
|
|
691 |
|
|
692 |
@Override
|
|
693 |
public Constant foldConstant(Constant const1, Constant const2) {
|
|
694 |
PrimitiveConstant a = (PrimitiveConstant) const1;
|
|
695 |
PrimitiveConstant b = (PrimitiveConstant) const2;
|
|
696 |
assert a.getJavaKind() == b.getJavaKind();
|
|
697 |
switch (a.getJavaKind()) {
|
|
698 |
case Float:
|
|
699 |
int fa = Float.floatToRawIntBits(a.asFloat());
|
|
700 |
int fb = Float.floatToRawIntBits(b.asFloat());
|
|
701 |
return JavaConstant.forFloat(Float.intBitsToFloat(fa & fb));
|
|
702 |
case Double:
|
|
703 |
long da = Double.doubleToRawLongBits(a.asDouble());
|
|
704 |
long db = Double.doubleToRawLongBits(b.asDouble());
|
|
705 |
return JavaConstant.forDouble(Double.longBitsToDouble(da & db));
|
|
706 |
default:
|
|
707 |
throw GraalError.shouldNotReachHere();
|
|
708 |
}
|
|
709 |
}
|
|
710 |
|
|
711 |
@Override
|
47798
|
712 |
public Stamp foldStamp(Stamp s1, Stamp s2) {
|
49451
|
713 |
if (s1.isEmpty()) {
|
|
714 |
return s1;
|
|
715 |
}
|
|
716 |
if (s2.isEmpty()) {
|
|
717 |
return s2;
|
|
718 |
}
|
47798
|
719 |
FloatStamp stamp1 = (FloatStamp) s1;
|
|
720 |
FloatStamp stamp2 = (FloatStamp) s2;
|
|
721 |
Stamp folded = maybeFoldConstant(this, stamp1, stamp2);
|
|
722 |
if (folded != null) {
|
|
723 |
return folded;
|
|
724 |
}
|
43972
|
725 |
return stamp1.unrestricted();
|
|
726 |
}
|
|
727 |
|
|
728 |
@Override
|
|
729 |
public boolean isNeutral(Constant n) {
|
|
730 |
PrimitiveConstant value = (PrimitiveConstant) n;
|
|
731 |
switch (value.getJavaKind()) {
|
|
732 |
case Float:
|
|
733 |
return Float.floatToRawIntBits(value.asFloat()) == 0xFFFFFFFF;
|
|
734 |
case Double:
|
|
735 |
return Double.doubleToRawLongBits(value.asDouble()) == 0xFFFFFFFFFFFFFFFFL;
|
|
736 |
default:
|
|
737 |
throw GraalError.shouldNotReachHere();
|
|
738 |
}
|
|
739 |
}
|
|
740 |
},
|
|
741 |
|
|
742 |
new BinaryOp.Or(true, true) {
|
|
743 |
|
|
744 |
@Override
|
|
745 |
public Constant foldConstant(Constant const1, Constant const2) {
|
|
746 |
PrimitiveConstant a = (PrimitiveConstant) const1;
|
|
747 |
PrimitiveConstant b = (PrimitiveConstant) const2;
|
|
748 |
assert a.getJavaKind() == b.getJavaKind();
|
|
749 |
switch (a.getJavaKind()) {
|
|
750 |
case Float:
|
|
751 |
int fa = Float.floatToRawIntBits(a.asFloat());
|
|
752 |
int fb = Float.floatToRawIntBits(b.asFloat());
|
47798
|
753 |
float floatOr = Float.intBitsToFloat(fa | fb);
|
|
754 |
assert (fa | fb) == Float.floatToRawIntBits((floatOr));
|
|
755 |
return JavaConstant.forFloat(floatOr);
|
43972
|
756 |
case Double:
|
|
757 |
long da = Double.doubleToRawLongBits(a.asDouble());
|
|
758 |
long db = Double.doubleToRawLongBits(b.asDouble());
|
|
759 |
return JavaConstant.forDouble(Double.longBitsToDouble(da | db));
|
|
760 |
default:
|
|
761 |
throw GraalError.shouldNotReachHere();
|
|
762 |
}
|
|
763 |
}
|
|
764 |
|
|
765 |
@Override
|
47798
|
766 |
public Stamp foldStamp(Stamp s1, Stamp s2) {
|
49451
|
767 |
if (s1.isEmpty()) {
|
|
768 |
return s1;
|
|
769 |
}
|
|
770 |
if (s2.isEmpty()) {
|
|
771 |
return s2;
|
|
772 |
}
|
47798
|
773 |
FloatStamp stamp1 = (FloatStamp) s1;
|
|
774 |
FloatStamp stamp2 = (FloatStamp) s2;
|
|
775 |
Stamp folded = maybeFoldConstant(this, stamp1, stamp2);
|
|
776 |
if (folded != null) {
|
|
777 |
return folded;
|
|
778 |
}
|
43972
|
779 |
return stamp1.unrestricted();
|
|
780 |
}
|
|
781 |
|
|
782 |
@Override
|
|
783 |
public boolean isNeutral(Constant n) {
|
|
784 |
PrimitiveConstant value = (PrimitiveConstant) n;
|
|
785 |
switch (value.getJavaKind()) {
|
|
786 |
case Float:
|
|
787 |
return Float.floatToRawIntBits(value.asFloat()) == 0;
|
|
788 |
case Double:
|
|
789 |
return Double.doubleToRawLongBits(value.asDouble()) == 0L;
|
|
790 |
default:
|
|
791 |
throw GraalError.shouldNotReachHere();
|
|
792 |
}
|
|
793 |
}
|
|
794 |
},
|
|
795 |
|
|
796 |
new BinaryOp.Xor(true, true) {
|
|
797 |
|
|
798 |
@Override
|
|
799 |
public Constant foldConstant(Constant const1, Constant const2) {
|
|
800 |
PrimitiveConstant a = (PrimitiveConstant) const1;
|
|
801 |
PrimitiveConstant b = (PrimitiveConstant) const2;
|
|
802 |
assert a.getJavaKind() == b.getJavaKind();
|
|
803 |
switch (a.getJavaKind()) {
|
|
804 |
case Float:
|
|
805 |
int fa = Float.floatToRawIntBits(a.asFloat());
|
|
806 |
int fb = Float.floatToRawIntBits(b.asFloat());
|
|
807 |
return JavaConstant.forFloat(Float.intBitsToFloat(fa ^ fb));
|
|
808 |
case Double:
|
|
809 |
long da = Double.doubleToRawLongBits(a.asDouble());
|
|
810 |
long db = Double.doubleToRawLongBits(b.asDouble());
|
|
811 |
return JavaConstant.forDouble(Double.longBitsToDouble(da ^ db));
|
|
812 |
default:
|
|
813 |
throw GraalError.shouldNotReachHere();
|
|
814 |
}
|
|
815 |
}
|
|
816 |
|
|
817 |
@Override
|
47798
|
818 |
public Stamp foldStamp(Stamp s1, Stamp s2) {
|
49451
|
819 |
if (s1.isEmpty()) {
|
|
820 |
return s1;
|
|
821 |
}
|
|
822 |
if (s2.isEmpty()) {
|
|
823 |
return s2;
|
|
824 |
}
|
47798
|
825 |
FloatStamp stamp1 = (FloatStamp) s1;
|
|
826 |
FloatStamp stamp2 = (FloatStamp) s2;
|
|
827 |
Stamp folded = maybeFoldConstant(this, stamp1, stamp2);
|
|
828 |
if (folded != null) {
|
|
829 |
return folded;
|
|
830 |
}
|
43972
|
831 |
return stamp1.unrestricted();
|
|
832 |
}
|
|
833 |
|
|
834 |
@Override
|
|
835 |
public boolean isNeutral(Constant n) {
|
|
836 |
PrimitiveConstant value = (PrimitiveConstant) n;
|
|
837 |
switch (value.getJavaKind()) {
|
|
838 |
case Float:
|
|
839 |
return Float.floatToRawIntBits(value.asFloat()) == 0;
|
|
840 |
case Double:
|
|
841 |
return Double.doubleToRawLongBits(value.asDouble()) == 0L;
|
|
842 |
default:
|
|
843 |
throw GraalError.shouldNotReachHere();
|
|
844 |
}
|
|
845 |
}
|
|
846 |
},
|
|
847 |
|
|
848 |
null, null, null,
|
|
849 |
|
|
850 |
new UnaryOp.Abs() {
|
|
851 |
|
|
852 |
@Override
|
|
853 |
public Constant foldConstant(Constant c) {
|
|
854 |
PrimitiveConstant value = (PrimitiveConstant) c;
|
|
855 |
switch (value.getJavaKind()) {
|
|
856 |
case Float:
|
|
857 |
return JavaConstant.forFloat(Math.abs(value.asFloat()));
|
|
858 |
case Double:
|
|
859 |
return JavaConstant.forDouble(Math.abs(value.asDouble()));
|
|
860 |
default:
|
|
861 |
throw GraalError.shouldNotReachHere();
|
|
862 |
}
|
|
863 |
}
|
|
864 |
|
|
865 |
@Override
|
|
866 |
public Stamp foldStamp(Stamp s) {
|
49451
|
867 |
if (s.isEmpty()) {
|
|
868 |
return s;
|
|
869 |
}
|
43972
|
870 |
FloatStamp stamp = (FloatStamp) s;
|
47798
|
871 |
Stamp folded = maybeFoldConstant(this, stamp);
|
|
872 |
if (folded != null) {
|
|
873 |
return folded;
|
|
874 |
}
|
43972
|
875 |
if (stamp.isNaN()) {
|
|
876 |
return stamp;
|
|
877 |
}
|
|
878 |
return new FloatStamp(stamp.getBits(), 0, Math.max(-stamp.lowerBound(), stamp.upperBound()), stamp.isNonNaN());
|
|
879 |
}
|
|
880 |
},
|
|
881 |
|
|
882 |
new UnaryOp.Sqrt() {
|
|
883 |
|
|
884 |
@Override
|
|
885 |
public Constant foldConstant(Constant c) {
|
|
886 |
PrimitiveConstant value = (PrimitiveConstant) c;
|
|
887 |
switch (value.getJavaKind()) {
|
|
888 |
case Float:
|
|
889 |
return JavaConstant.forFloat((float) Math.sqrt(value.asFloat()));
|
|
890 |
case Double:
|
|
891 |
return JavaConstant.forDouble(Math.sqrt(value.asDouble()));
|
|
892 |
default:
|
|
893 |
throw GraalError.shouldNotReachHere();
|
|
894 |
}
|
|
895 |
}
|
|
896 |
|
|
897 |
@Override
|
|
898 |
public Stamp foldStamp(Stamp s) {
|
49451
|
899 |
if (s.isEmpty()) {
|
|
900 |
return s;
|
|
901 |
}
|
47798
|
902 |
FloatStamp stamp = (FloatStamp) s;
|
|
903 |
Stamp folded = maybeFoldConstant(this, stamp);
|
|
904 |
if (folded != null) {
|
|
905 |
return folded;
|
|
906 |
}
|
43972
|
907 |
return s.unrestricted();
|
|
908 |
}
|
|
909 |
},
|
|
910 |
|
|
911 |
null, null, null,
|
|
912 |
|
|
913 |
new FloatConvertOp(F2I) {
|
|
914 |
|
|
915 |
@Override
|
|
916 |
public Constant foldConstant(Constant c) {
|
|
917 |
PrimitiveConstant value = (PrimitiveConstant) c;
|
|
918 |
return JavaConstant.forInt((int) value.asFloat());
|
|
919 |
}
|
|
920 |
|
|
921 |
@Override
|
|
922 |
public Stamp foldStamp(Stamp stamp) {
|
49451
|
923 |
if (stamp.isEmpty()) {
|
|
924 |
return StampFactory.empty(JavaKind.Int);
|
|
925 |
}
|
43972
|
926 |
FloatStamp floatStamp = (FloatStamp) stamp;
|
|
927 |
assert floatStamp.getBits() == 32;
|
|
928 |
boolean mustHaveZero = !floatStamp.isNonNaN();
|
|
929 |
int lowerBound = (int) floatStamp.lowerBound();
|
|
930 |
int upperBound = (int) floatStamp.upperBound();
|
|
931 |
if (mustHaveZero) {
|
|
932 |
if (lowerBound > 0) {
|
|
933 |
lowerBound = 0;
|
|
934 |
} else if (upperBound < 0) {
|
|
935 |
upperBound = 0;
|
|
936 |
}
|
|
937 |
}
|
|
938 |
return StampFactory.forInteger(JavaKind.Int, lowerBound, upperBound);
|
|
939 |
}
|
|
940 |
},
|
|
941 |
|
|
942 |
new FloatConvertOp(F2L) {
|
|
943 |
|
|
944 |
@Override
|
|
945 |
public Constant foldConstant(Constant c) {
|
|
946 |
PrimitiveConstant value = (PrimitiveConstant) c;
|
|
947 |
return JavaConstant.forLong((long) value.asFloat());
|
|
948 |
}
|
|
949 |
|
|
950 |
@Override
|
|
951 |
public Stamp foldStamp(Stamp stamp) {
|
49451
|
952 |
if (stamp.isEmpty()) {
|
|
953 |
return StampFactory.empty(JavaKind.Long);
|
|
954 |
}
|
43972
|
955 |
FloatStamp floatStamp = (FloatStamp) stamp;
|
|
956 |
assert floatStamp.getBits() == 32;
|
|
957 |
boolean mustHaveZero = !floatStamp.isNonNaN();
|
|
958 |
long lowerBound = (long) floatStamp.lowerBound();
|
|
959 |
long upperBound = (long) floatStamp.upperBound();
|
|
960 |
if (mustHaveZero) {
|
|
961 |
if (lowerBound > 0) {
|
|
962 |
lowerBound = 0;
|
|
963 |
} else if (upperBound < 0) {
|
|
964 |
upperBound = 0;
|
|
965 |
}
|
|
966 |
}
|
|
967 |
return StampFactory.forInteger(JavaKind.Long, lowerBound, upperBound);
|
|
968 |
}
|
|
969 |
},
|
|
970 |
|
|
971 |
new FloatConvertOp(D2I) {
|
|
972 |
|
|
973 |
@Override
|
|
974 |
public Constant foldConstant(Constant c) {
|
|
975 |
PrimitiveConstant value = (PrimitiveConstant) c;
|
|
976 |
return JavaConstant.forInt((int) value.asDouble());
|
|
977 |
}
|
|
978 |
|
|
979 |
@Override
|
|
980 |
public Stamp foldStamp(Stamp stamp) {
|
49451
|
981 |
if (stamp.isEmpty()) {
|
|
982 |
return StampFactory.empty(JavaKind.Int);
|
|
983 |
}
|
43972
|
984 |
FloatStamp floatStamp = (FloatStamp) stamp;
|
|
985 |
assert floatStamp.getBits() == 64;
|
|
986 |
boolean mustHaveZero = !floatStamp.isNonNaN();
|
|
987 |
int lowerBound = (int) floatStamp.lowerBound();
|
|
988 |
int upperBound = (int) floatStamp.upperBound();
|
|
989 |
if (mustHaveZero) {
|
|
990 |
if (lowerBound > 0) {
|
|
991 |
lowerBound = 0;
|
|
992 |
} else if (upperBound < 0) {
|
|
993 |
upperBound = 0;
|
|
994 |
}
|
|
995 |
}
|
|
996 |
return StampFactory.forInteger(JavaKind.Int, lowerBound, upperBound);
|
|
997 |
}
|
|
998 |
},
|
|
999 |
|
|
1000 |
new FloatConvertOp(D2L) {
|
|
1001 |
|
|
1002 |
@Override
|
|
1003 |
public Constant foldConstant(Constant c) {
|
|
1004 |
PrimitiveConstant value = (PrimitiveConstant) c;
|
|
1005 |
return JavaConstant.forLong((long) value.asDouble());
|
|
1006 |
}
|
|
1007 |
|
|
1008 |
@Override
|
|
1009 |
public Stamp foldStamp(Stamp stamp) {
|
49451
|
1010 |
if (stamp.isEmpty()) {
|
|
1011 |
return StampFactory.empty(JavaKind.Long);
|
|
1012 |
}
|
43972
|
1013 |
FloatStamp floatStamp = (FloatStamp) stamp;
|
|
1014 |
assert floatStamp.getBits() == 64;
|
|
1015 |
boolean mustHaveZero = !floatStamp.isNonNaN();
|
|
1016 |
long lowerBound = (long) floatStamp.lowerBound();
|
|
1017 |
long upperBound = (long) floatStamp.upperBound();
|
|
1018 |
if (mustHaveZero) {
|
|
1019 |
if (lowerBound > 0) {
|
|
1020 |
lowerBound = 0;
|
|
1021 |
} else if (upperBound < 0) {
|
|
1022 |
upperBound = 0;
|
|
1023 |
}
|
|
1024 |
}
|
|
1025 |
return StampFactory.forInteger(JavaKind.Long, lowerBound, upperBound);
|
|
1026 |
}
|
|
1027 |
},
|
|
1028 |
|
|
1029 |
new FloatConvertOp(F2D) {
|
|
1030 |
|
|
1031 |
@Override
|
|
1032 |
public Constant foldConstant(Constant c) {
|
|
1033 |
PrimitiveConstant value = (PrimitiveConstant) c;
|
|
1034 |
return JavaConstant.forDouble(value.asFloat());
|
|
1035 |
}
|
|
1036 |
|
|
1037 |
@Override
|
|
1038 |
public Stamp foldStamp(Stamp stamp) {
|
49451
|
1039 |
if (stamp.isEmpty()) {
|
|
1040 |
return StampFactory.empty(JavaKind.Double);
|
|
1041 |
}
|
43972
|
1042 |
FloatStamp floatStamp = (FloatStamp) stamp;
|
|
1043 |
assert floatStamp.getBits() == 32;
|
|
1044 |
return StampFactory.forFloat(JavaKind.Double, floatStamp.lowerBound(), floatStamp.upperBound(), floatStamp.isNonNaN());
|
|
1045 |
}
|
|
1046 |
},
|
|
1047 |
|
|
1048 |
new FloatConvertOp(D2F) {
|
|
1049 |
|
|
1050 |
@Override
|
|
1051 |
public Constant foldConstant(Constant c) {
|
|
1052 |
PrimitiveConstant value = (PrimitiveConstant) c;
|
|
1053 |
return JavaConstant.forFloat((float) value.asDouble());
|
|
1054 |
}
|
|
1055 |
|
|
1056 |
@Override
|
|
1057 |
public Stamp foldStamp(Stamp stamp) {
|
49451
|
1058 |
if (stamp.isEmpty()) {
|
|
1059 |
return StampFactory.empty(JavaKind.Float);
|
|
1060 |
}
|
43972
|
1061 |
FloatStamp floatStamp = (FloatStamp) stamp;
|
|
1062 |
assert floatStamp.getBits() == 64;
|
|
1063 |
return StampFactory.forFloat(JavaKind.Float, (float) floatStamp.lowerBound(), (float) floatStamp.upperBound(), floatStamp.isNonNaN());
|
|
1064 |
}
|
|
1065 |
});
|
|
1066 |
}
|