< prev index next >
src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/FloatDivNode.java
Print this page
*** 23,32 ****
--- 23,33 ----
package org.graalvm.compiler.nodes.calc;
import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_32;
import org.graalvm.compiler.core.common.type.ArithmeticOpTable;
+ import org.graalvm.compiler.core.common.type.FloatStamp;
import org.graalvm.compiler.core.common.type.ArithmeticOpTable.BinaryOp;
import org.graalvm.compiler.core.common.type.ArithmeticOpTable.BinaryOp.Div;
import org.graalvm.compiler.core.common.type.Stamp;
import org.graalvm.compiler.graph.NodeClass;
import org.graalvm.compiler.graph.spi.CanonicalizerTool;
*** 34,58 ****
import org.graalvm.compiler.nodeinfo.NodeInfo;
import org.graalvm.compiler.nodes.ConstantNode;
import org.graalvm.compiler.nodes.ValueNode;
import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool;
- import jdk.vm.ci.code.CodeUtil;
import jdk.vm.ci.meta.Constant;
- import jdk.vm.ci.meta.PrimitiveConstant;
@NodeInfo(shortName = "/", cycles = CYCLES_32)
! public class DivNode extends BinaryArithmeticNode<Div> {
! public static final NodeClass<DivNode> TYPE = NodeClass.create(DivNode.class);
! public DivNode(ValueNode x, ValueNode y) {
! super(TYPE, ArithmeticOpTable::getDiv, x, y);
}
! protected DivNode(NodeClass<? extends DivNode> c, ValueNode x, ValueNode y) {
super(c, ArithmeticOpTable::getDiv, x, y);
}
public static ValueNode create(ValueNode x, ValueNode y) {
BinaryOp<Div> op = ArithmeticOpTable.forStamp(x.stamp()).getDiv();
Stamp stamp = op.foldStamp(x.stamp(), y.stamp());
--- 35,58 ----
import org.graalvm.compiler.nodeinfo.NodeInfo;
import org.graalvm.compiler.nodes.ConstantNode;
import org.graalvm.compiler.nodes.ValueNode;
import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool;
import jdk.vm.ci.meta.Constant;
@NodeInfo(shortName = "/", cycles = CYCLES_32)
! public class FloatDivNode extends BinaryArithmeticNode<Div> {
! public static final NodeClass<FloatDivNode> TYPE = NodeClass.create(FloatDivNode.class);
! public FloatDivNode(ValueNode x, ValueNode y) {
! this(TYPE, x, y);
}
! protected FloatDivNode(NodeClass<? extends FloatDivNode> c, ValueNode x, ValueNode y) {
super(c, ArithmeticOpTable::getDiv, x, y);
+ assert stamp instanceof FloatStamp;
}
public static ValueNode create(ValueNode x, ValueNode y) {
BinaryOp<Div> op = ArithmeticOpTable.forStamp(x.stamp()).getDiv();
Stamp stamp = op.foldStamp(x.stamp(), y.stamp());
*** 71,107 ****
}
return canonical(this, getOp(forX, forY), forX, forY);
}
! private static ValueNode canonical(DivNode self, BinaryOp<Div> op, ValueNode forX, ValueNode forY) {
if (forY.isConstant()) {
Constant c = forY.asConstant();
if (op.isNeutral(c)) {
return forX;
}
- if (c instanceof PrimitiveConstant && ((PrimitiveConstant) c).getJavaKind().isNumericInteger()) {
- long i = ((PrimitiveConstant) c).asLong();
- boolean signFlip = false;
- if (i < 0) {
- i = -i;
- signFlip = true;
}
! ValueNode divResult = null;
! if (CodeUtil.isPowerOf2(i)) {
! divResult = new RightShiftNode(forX, ConstantNode.forInt(CodeUtil.log2(i)));
! }
! if (divResult != null) {
! if (signFlip) {
! return NegateNode.create(divResult);
! } else {
! return divResult;
! }
! }
! }
! }
! return self != null ? self : new DivNode(forX, forY);
}
@Override
public void generate(NodeLIRBuilderTool nodeValueMap, ArithmeticLIRGeneratorTool gen) {
nodeValueMap.setResult(this, gen.emitDiv(nodeValueMap.operand(getX()), nodeValueMap.operand(getY()), null));
--- 71,88 ----
}
return canonical(this, getOp(forX, forY), forX, forY);
}
! private static ValueNode canonical(FloatDivNode self, BinaryOp<Div> op, ValueNode forX, ValueNode forY) {
if (forY.isConstant()) {
Constant c = forY.asConstant();
if (op.isNeutral(c)) {
return forX;
}
}
! return self != null ? self : new FloatDivNode(forX, forY);
}
@Override
public void generate(NodeLIRBuilderTool nodeValueMap, ArithmeticLIRGeneratorTool gen) {
nodeValueMap.setResult(this, gen.emitDiv(nodeValueMap.operand(getX()), nodeValueMap.operand(getY()), null));
< prev index next >