Examples with ReverseBytesNode org.graalvm.compiler.replacements.nodes.ReverseBytesNode used on opensource projects

Example 1 with ReverseBytesNode

use of org.graalvm.compiler.replacements.nodes.ReverseBytesNode in project graal by oracle.

the class StandardGraphBuilderPlugins method registerCharacterPlugins.

private static void registerCharacterPlugins(InvocationPlugins plugins) {
    Registration r = new Registration(plugins, Character.class);
    r.register1("reverseBytes", char.class, new InvocationPlugin() {

        @Override
        public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode value) {
            // return (char) (Integer.reverse(i) >> 16);
            ReverseBytesNode reverse = b.add(new ReverseBytesNode(value));
            RightShiftNode rightShift = b.add(new RightShiftNode(reverse, b.add(ConstantNode.forInt(16))));
            ZeroExtendNode charCast = b.add(new ZeroExtendNode(b.add(new NarrowNode(rightShift, 16)), 32));
            b.push(JavaKind.Char, b.append(charCast.canonical(null)));
            return true;
        }
    });
}

Example 2 with ReverseBytesNode

use of org.graalvm.compiler.replacements.nodes.ReverseBytesNode in project graal by oracle.

the class StandardGraphBuilderPlugins method registerIntegerLongPlugins.

private static void registerIntegerLongPlugins(InvocationPlugins plugins, JavaKind kind) {
    Class<?> declaringClass = kind.toBoxedJavaClass();
    Class<?> type = kind.toJavaClass();
    Registration r = new Registration(plugins, declaringClass);
    r.register1("reverseBytes", type, new InvocationPlugin() {

        @Override
        public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode value) {
            b.push(kind, b.append(new ReverseBytesNode(value).canonical(null)));
            return true;
        }
    });
    r.register2("divideUnsigned", type, type, new InvocationPlugin() {

        @Override
        public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode dividend, ValueNode divisor) {
            b.push(kind, b.append(UnsignedDivNode.create(dividend, divisor, NodeView.DEFAULT)));
            return true;
        }
    });
    r.register2("remainderUnsigned", type, type, new InvocationPlugin() {

        @Override
        public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode dividend, ValueNode divisor) {
            b.push(kind, b.append(UnsignedRemNode.create(dividend, divisor, NodeView.DEFAULT)));
            return true;
        }
    });
}

Example 3 with ReverseBytesNode

use of org.graalvm.compiler.replacements.nodes.ReverseBytesNode in project graal by oracle.

the class StandardGraphBuilderPlugins method registerShortPlugins.

private static void registerShortPlugins(InvocationPlugins plugins) {
    Registration r = new Registration(plugins, Short.class);
    r.register1("reverseBytes", short.class, new InvocationPlugin() {

        @Override
        public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode value) {
            // return (short) (Integer.reverse(i) >> 16);
            ReverseBytesNode reverse = b.add(new ReverseBytesNode(value));
            RightShiftNode rightShift = b.add(new RightShiftNode(reverse, b.add(ConstantNode.forInt(16))));
            SignExtendNode charCast = b.add(new SignExtendNode(b.add(new NarrowNode(rightShift, 16)), 32));
            b.push(JavaKind.Short, b.append(charCast.canonical(null)));
            return true;
        }
    });
}