com.oracle.graal.loop

Class MathUtil

java.lang.Object

com.oracle.graal.loop.MathUtil

public class MathUtil
extends Object

Utility methods to perform integer math with some obvious constant folding first.

Constructor Summary

Constructors

Constructor and Description
MathUtil()

Method Summary

Modifier and Type	Method and Description
static ValueNode	add(StructuredGraph graph, ValueNode v1, ValueNode v2)
static ValueNode	divBefore(StructuredGraph graph, FixedNode before, ValueNode dividend, ValueNode divisor)
private static boolean	isConstantOne(ValueNode v1)
private static boolean	isConstantZero(ValueNode v1)
static ValueNode	mul(StructuredGraph graph, ValueNode v1, ValueNode v2)
static ValueNode	sub(StructuredGraph graph, ValueNode v1, ValueNode v2)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MathUtil

public MathUtil()

Method Detail

isConstantOne

private static boolean isConstantOne(ValueNode v1)

isConstantZero

private static boolean isConstantZero(ValueNode v1)

add

public static ValueNode add(StructuredGraph graph,
                            ValueNode v1,
                            ValueNode v2)

mul

public static ValueNode mul(StructuredGraph graph,
                            ValueNode v1,
                            ValueNode v2)

sub

public static ValueNode sub(StructuredGraph graph,
                            ValueNode v1,
                            ValueNode v2)

divBefore

public static ValueNode divBefore(StructuredGraph graph,
                                  FixedNode before,
                                  ValueNode dividend,
                                  ValueNode divisor)