Examples with AMD64AddressValue org.graalvm.compiler.lir.amd64.AMD64AddressValue used on opensource projects

Example 21 with AMD64AddressValue

use of org.graalvm.compiler.lir.amd64.AMD64AddressValue in project graal by oracle.

the class AMD64NodeMatchRules method narrowRead.

@MatchRule("(Narrow Read=access)")
@MatchRule("(Narrow FloatingRead=access)")
public ComplexMatchResult narrowRead(NarrowNode root, LIRLowerableAccess access) {
    return new ComplexMatchResult() {

        @Override
        public Value evaluate(NodeLIRBuilder builder) {
            AMD64AddressValue address = (AMD64AddressValue) operand(access.getAddress());
            LIRKind addressKind = LIRKind.combineDerived(getLIRGeneratorTool().getLIRKind(root.asNode().stamp(NodeView.DEFAULT)), address.getBase(), address.getIndex());
            AMD64AddressValue newAddress = address.withKind(addressKind);
            LIRKind readKind = getLIRGeneratorTool().getLIRKind(root.stamp(NodeView.DEFAULT));
            return getArithmeticLIRGenerator().emitZeroExtendMemory((AMD64Kind) readKind.getPlatformKind(), root.getResultBits(), newAddress, getState(access));
        }
    };
}

Example 22 with AMD64AddressValue

use of org.graalvm.compiler.lir.amd64.AMD64AddressValue in project graal by oracle.

the class AMD64NodeMatchRules method ifCompareLogicCas.

@MatchRule("(If (ObjectEquals=compare value LogicCompareAndSwap=cas))")
@MatchRule("(If (PointerEquals=compare value LogicCompareAndSwap=cas))")
@MatchRule("(If (FloatEquals=compare value LogicCompareAndSwap=cas))")
@MatchRule("(If (IntegerEquals=compare value LogicCompareAndSwap=cas))")
public ComplexMatchResult ifCompareLogicCas(IfNode root, CompareNode compare, ValueNode value, LogicCompareAndSwapNode cas) {
    JavaConstant constant = value.asJavaConstant();
    assert compare.condition() == CanonicalCondition.EQ;
    if (constant != null && cas.usages().count() == 1) {
        long constantValue = constant.asLong();
        boolean successIsTrue;
        if (constantValue == 0) {
            successIsTrue = false;
        } else if (constantValue == 1) {
            successIsTrue = true;
        } else {
            return null;
        }
        return builder -> {
            LIRKind kind = getLirKind(cas);
            LabelRef trueLabel = getLIRBlock(root.trueSuccessor());
            LabelRef falseLabel = getLIRBlock(root.falseSuccessor());
            double trueLabelProbability = root.probability(root.trueSuccessor());
            Value expectedValue = operand(cas.getExpectedValue());
            Value newValue = operand(cas.getNewValue());
            AMD64AddressValue address = (AMD64AddressValue) operand(cas.getAddress());
            Condition condition = successIsTrue ? Condition.EQ : Condition.NE;
            getLIRGeneratorTool().emitCompareAndSwapBranch(kind, address, expectedValue, newValue, condition, trueLabel, falseLabel, trueLabelProbability);
            return null;
        };
    }
    return null;
}