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

Example 11 with SignExtendNode

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

the class SPARCIntegerCompareCanonicalizationPhase method min32.

private static void min32(CompareNode enode, ValueNode v) {
    Stamp s = v.stamp(NodeView.DEFAULT);
    if (s instanceof IntegerStamp) {
        int bits = ((IntegerStamp) s).getBits();
        if (bits != 32 && bits != 64) {
            if (bits <= 32) {
                bits = 32;
            } else {
                bits = 64;
            }
            ValueNode replacement;
            if (v instanceof ConstantNode) {
                JavaConstant newConst;
                if (bits == 32) {
                    newConst = JavaConstant.forInt(v.asJavaConstant().asInt());
                } else if (bits == 64) {
                    newConst = JavaConstant.forLong(v.asJavaConstant().asLong());
                } else {
                    throw GraalError.shouldNotReachHere();
                }
                long mask = CodeUtil.mask(bits);
                replacement = v.graph().addOrUnique(new ConstantNode(newConst, IntegerStamp.stampForMask(bits, newConst.asLong() & mask, newConst.asLong() & mask)));
            } else {
                replacement = v.graph().addOrUnique(new SignExtendNode(v, bits));
            }
            v.replaceAtUsages(replacement, x -> x == enode);
        }
    }
}

Example 12 with SignExtendNode

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

the class DefaultJavaLoweringProvider method createArrayAddress.

public AddressNode createArrayAddress(StructuredGraph graph, ValueNode array, JavaKind elementKind, ValueNode index) {
    ValueNode wordIndex;
    if (target.wordSize > 4) {
        wordIndex = graph.unique(new SignExtendNode(index, target.wordSize * 8));
    } else {
        assert target.wordSize == 4 : "unsupported word size";
        wordIndex = index;
    }
    int shift = CodeUtil.log2(arrayScalingFactor(elementKind));
    ValueNode scaledIndex = graph.unique(new LeftShiftNode(wordIndex, ConstantNode.forInt(shift, graph)));
    int base = arrayBaseOffset(elementKind);
    ValueNode offset = graph.unique(new AddNode(scaledIndex, ConstantNode.forIntegerKind(target.wordJavaKind, base, graph)));
    return graph.unique(new OffsetAddressNode(array, offset));
}

Example 13 with SignExtendNode

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

the class PointerTest method assertWrite.

private void assertWrite(StructuredGraph graph, boolean indexConvert, LocationIdentity locationIdentity) {
    WordCastNode cast = (WordCastNode) graph.start().next();
    JavaWriteNode write = (JavaWriteNode) cast.next();
    Assert.assertEquals(graph.getParameter(2), write.value());
    Assert.assertEquals(BytecodeFrame.AFTER_BCI, write.stateAfter().bci);
    OffsetAddressNode address = (OffsetAddressNode) write.getAddress();
    Assert.assertEquals(cast, address.getBase());
    Assert.assertEquals(graph.getParameter(0), cast.getInput());
    Assert.assertEquals(target.wordJavaKind, cast.stamp(NodeView.DEFAULT).getStackKind());
    Assert.assertEquals(locationIdentity, write.getLocationIdentity());
    if (indexConvert) {
        SignExtendNode convert = (SignExtendNode) address.getOffset();
        Assert.assertEquals(convert.getInputBits(), 32);
        Assert.assertEquals(convert.getResultBits(), 64);
        Assert.assertEquals(graph.getParameter(1), convert.getValue());
    } else {
        Assert.assertEquals(graph.getParameter(1), address.getOffset());
    }
    ReturnNode ret = (ReturnNode) write.next();
    Assert.assertEquals(null, ret.result());
}