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

Example 1 with XorNode

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

the class WordOperationPlugin method processWordOperation.

protected void processWordOperation(GraphBuilderContext b, ValueNode[] args, ResolvedJavaMethod wordMethod) throws GraalError {
    JavaKind returnKind = wordMethod.getSignature().getReturnKind();
    WordFactory.FactoryOperation factoryOperation = BridgeMethodUtils.getAnnotation(WordFactory.FactoryOperation.class, wordMethod);
    if (factoryOperation != null) {
        switch(factoryOperation.opcode()) {
            case ZERO:
                assert args.length == 0;
                b.addPush(returnKind, forIntegerKind(wordKind, 0L));
                return;
            case FROM_UNSIGNED:
                assert args.length == 1;
                b.push(returnKind, fromUnsigned(b, args[0]));
                return;
            case FROM_SIGNED:
                assert args.length == 1;
                b.push(returnKind, fromSigned(b, args[0]));
                return;
        }
    }
    Word.Operation operation = BridgeMethodUtils.getAnnotation(Word.Operation.class, wordMethod);
    if (operation == null) {
        throw bailout(b, "Cannot call method on a word value: " + wordMethod.format("%H.%n(%p)"));
    }
    switch(operation.opcode()) {
        case NODE_CLASS:
            assert args.length == 2;
            ValueNode left = args[0];
            ValueNode right = operation.rightOperandIsInt() ? toUnsigned(b, args[1], JavaKind.Int) : fromSigned(b, args[1]);
            b.addPush(returnKind, createBinaryNodeInstance(operation.node(), left, right));
            break;
        case COMPARISON:
            assert args.length == 2;
            b.push(returnKind, comparisonOp(b, operation.condition(), args[0], fromSigned(b, args[1])));
            break;
        case IS_NULL:
            assert args.length == 1;
            b.push(returnKind, comparisonOp(b, Condition.EQ, args[0], ConstantNode.forIntegerKind(wordKind, 0L)));
            break;
        case IS_NON_NULL:
            assert args.length == 1;
            b.push(returnKind, comparisonOp(b, Condition.NE, args[0], ConstantNode.forIntegerKind(wordKind, 0L)));
            break;
        case NOT:
            assert args.length == 1;
            b.addPush(returnKind, new XorNode(args[0], b.add(forIntegerKind(wordKind, -1))));
            break;
        case READ_POINTER:
        case READ_OBJECT:
        case READ_BARRIERED:
            {
                assert args.length == 2 || args.length == 3;
                JavaKind readKind = wordTypes.asKind(wordMethod.getSignature().getReturnType(wordMethod.getDeclaringClass()));
                AddressNode address = makeAddress(b, args[0], args[1]);
                LocationIdentity location;
                if (args.length == 2) {
                    location = any();
                } else {
                    assert args[2].isConstant();
                    location = snippetReflection.asObject(LocationIdentity.class, args[2].asJavaConstant());
                }
                b.push(returnKind, readOp(b, readKind, address, location, operation.opcode()));
                break;
            }
        case READ_HEAP:
            {
                assert args.length == 3;
                JavaKind readKind = wordTypes.asKind(wordMethod.getSignature().getReturnType(wordMethod.getDeclaringClass()));
                AddressNode address = makeAddress(b, args[0], args[1]);
                BarrierType barrierType = snippetReflection.asObject(BarrierType.class, args[2].asJavaConstant());
                b.push(returnKind, readOp(b, readKind, address, any(), barrierType, true));
                break;
            }
        case WRITE_POINTER:
        case WRITE_OBJECT:
        case WRITE_BARRIERED:
        case INITIALIZE:
            {
                assert args.length == 3 || args.length == 4;
                JavaKind writeKind = wordTypes.asKind(wordMethod.getSignature().getParameterType(wordMethod.isStatic() ? 2 : 1, wordMethod.getDeclaringClass()));
                AddressNode address = makeAddress(b, args[0], args[1]);
                LocationIdentity location;
                if (args.length == 3) {
                    location = any();
                } else {
                    assert args[3].isConstant();
                    location = snippetReflection.asObject(LocationIdentity.class, args[3].asJavaConstant());
                }
                writeOp(b, writeKind, address, location, args[2], operation.opcode());
                break;
            }
        case TO_RAW_VALUE:
            assert args.length == 1;
            b.push(returnKind, toUnsigned(b, args[0], JavaKind.Long));
            break;
        case OBJECT_TO_TRACKED:
            assert args.length == 1;
            WordCastNode objectToTracked = b.add(WordCastNode.objectToTrackedPointer(args[0], wordKind));
            b.push(returnKind, objectToTracked);
            break;
        case OBJECT_TO_UNTRACKED:
            assert args.length == 1;
            WordCastNode objectToUntracked = b.add(WordCastNode.objectToUntrackedPointer(args[0], wordKind));
            b.push(returnKind, objectToUntracked);
            break;
        case FROM_ADDRESS:
            assert args.length == 1;
            WordCastNode addressToWord = b.add(WordCastNode.addressToWord(args[0], wordKind));
            b.push(returnKind, addressToWord);
            break;
        case TO_OBJECT:
            assert args.length == 1;
            WordCastNode wordToObject = b.add(WordCastNode.wordToObject(args[0], wordKind));
            b.push(returnKind, wordToObject);
            break;
        case TO_OBJECT_NON_NULL:
            assert args.length == 1;
            WordCastNode wordToObjectNonNull = b.add(WordCastNode.wordToObjectNonNull(args[0], wordKind));
            b.push(returnKind, wordToObjectNonNull);
            break;
        case CAS_POINTER:
            assert args.length == 5;
            AddressNode address = makeAddress(b, args[0], args[1]);
            JavaKind valueKind = wordTypes.asKind(wordMethod.getSignature().getParameterType(1, wordMethod.getDeclaringClass()));
            assert valueKind.equals(wordTypes.asKind(wordMethod.getSignature().getParameterType(2, wordMethod.getDeclaringClass()))) : wordMethod.getSignature();
            assert args[4].isConstant() : Arrays.toString(args);
            LocationIdentity location = snippetReflection.asObject(LocationIdentity.class, args[4].asJavaConstant());
            JavaType returnType = wordMethod.getSignature().getReturnType(wordMethod.getDeclaringClass());
            b.addPush(returnKind, casOp(valueKind, wordTypes.asKind(returnType), address, location, args[2], args[3]));
            break;
        default:
            throw new GraalError("Unknown opcode: %s", operation.opcode());
    }
}