Examples with LeftShiftNode org.graalvm.compiler.nodes.calc.LeftShiftNode used on opensource projects

Example 6 with LeftShiftNode

use of org.graalvm.compiler.nodes.calc.LeftShiftNode in project graal by oracle.

the class AMD64AddressLoweringTest method convertNegatedBaseAndNegatedShiftedIndexToDisplacement.

@Test
public void convertNegatedBaseAndNegatedShiftedIndexToDisplacement() {
    ValueNode base = graph.addOrUniqueWithInputs(new NegateNode(const64(1000)));
    ValueNode index = graph.addOrUniqueWithInputs(new NegateNode(new LeftShiftNode(const64(10), const32(2))));
    AddressNode result = lowering.lower(base, index);
    assertAddress(result, null, null, Scale.Times4, -1040);
}

Example 7 with LeftShiftNode

use of org.graalvm.compiler.nodes.calc.LeftShiftNode in project graal by oracle.

the class AMD64AddressLoweringTest method convertNegatedShiftedBaseAndNegatedIndexToDisplacement.

@Test
public void convertNegatedShiftedBaseAndNegatedIndexToDisplacement() {
    ValueNode base = graph.addOrUniqueWithInputs(new NegateNode(new LeftShiftNode(const64(10), const32(2))));
    ValueNode index = graph.addOrUniqueWithInputs(new NegateNode(const64(1000)));
    AddressNode result = lowering.lower(base, index);
    assertAddress(result, null, null, Scale.Times4, -1040);
}

Example 8 with LeftShiftNode

use of org.graalvm.compiler.nodes.calc.LeftShiftNode in project graal by oracle.

the class AMD64AddressLoweringTest method convertTwoLevelsOfNegatedShiftedBaseAndNegatedIndexToDisplacement.

@Test
public void convertTwoLevelsOfNegatedShiftedBaseAndNegatedIndexToDisplacement() {
    ValueNode base = graph.addOrUniqueWithInputs(new NegateNode(new LeftShiftNode(new NegateNode(new LeftShiftNode(const64(500), const32(1))), const32(1))));
    ValueNode index = graph.addOrUniqueWithInputs(new NegateNode(new AddNode(new NegateNode(const64(13)), const64(3))));
    AddressNode result = lowering.lower(base, index);
    assertAddress(result, null, null, Scale.Times4, 2010);
}

Example 9 with LeftShiftNode

use of org.graalvm.compiler.nodes.calc.LeftShiftNode in project graal by oracle.

the class CheckcastArrayCopyCallNode method computeBase.

private ValueNode computeBase(ValueNode base, ValueNode pos) {
    FixedWithNextNode basePtr = graph().add(new GetObjectAddressNode(base));
    graph().addBeforeFixed(this, basePtr);
    int shift = CodeUtil.log2(getArrayIndexScale(JavaKind.Object));
    ValueNode extendedPos = IntegerConvertNode.convert(pos, StampFactory.forKind(runtime.getTarget().wordJavaKind), graph(), NodeView.DEFAULT);
    ValueNode scaledIndex = graph().unique(new LeftShiftNode(extendedPos, ConstantNode.forInt(shift, graph())));
    ValueNode offset = graph().unique(new AddNode(scaledIndex, ConstantNode.forIntegerBits(PrimitiveStamp.getBits(scaledIndex.stamp(NodeView.DEFAULT)), getArrayBaseOffset(JavaKind.Object), graph())));
    return graph().unique(new OffsetAddressNode(basePtr, offset));
}

Example 10 with LeftShiftNode

use of org.graalvm.compiler.nodes.calc.LeftShiftNode in project graal by oracle.

the class HotSpotGraphBuilderPlugins method readMetaspaceConstantPoolElement.

/**
 * Emits a node representing an element in a metaspace {@code ConstantPool}.
 *
 * @param constantPoolOop value of the {@code constantPoolOop} field in a ConstantPool value
 */
private static boolean readMetaspaceConstantPoolElement(GraphBuilderContext b, ValueNode constantPoolOop, ValueNode index, JavaKind elementKind, WordTypes wordTypes, GraalHotSpotVMConfig config) {
    ValueNode constants = getMetaspaceConstantPool(b, constantPoolOop, wordTypes, config);
    int shift = CodeUtil.log2(wordTypes.getWordKind().getByteCount());
    ValueNode scaledIndex = b.add(new LeftShiftNode(IntegerConvertNode.convert(index, StampFactory.forKind(JavaKind.Long), NodeView.DEFAULT), b.add(ConstantNode.forInt(shift))));
    ValueNode offset = b.add(new AddNode(scaledIndex, b.add(ConstantNode.forLong(config.constantPoolSize))));
    AddressNode elementAddress = b.add(new OffsetAddressNode(constants, offset));
    boolean notCompressible = false;
    ValueNode elementValue = WordOperationPlugin.readOp(b, elementKind, elementAddress, NamedLocationIdentity.getArrayLocation(elementKind), BarrierType.NONE, notCompressible);
    b.addPush(elementKind, elementValue);
    return true;
}