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

Example 1 with RoundNode

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

the class TruffleGraphBuilderPlugins method registerExactMathPlugins.

public static void registerExactMathPlugins(InvocationPlugins plugins, Replacements replacements, LoweringProvider lowerer, MetaAccessProvider metaAccess) {
    final ResolvedJavaType exactMathType = getRuntime().resolveType(metaAccess, "com.oracle.truffle.api.ExactMath");
    Registration r = new Registration(plugins, new ResolvedJavaSymbol(exactMathType), replacements);
    for (JavaKind kind : new JavaKind[] { JavaKind.Int, JavaKind.Long }) {
        Class<?> type = kind.toJavaClass();
        r.register(new InvocationPlugin("multiplyHigh", type, type) {

            @Override
            public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode x, ValueNode y) {
                b.addPush(kind, new IntegerMulHighNode(x, y));
                return true;
            }
        });
        r.register(new InvocationPlugin("multiplyHighUnsigned", type, type) {

            @Override
            public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode x, ValueNode y) {
                b.addPush(kind, new UnsignedMulHighNode(x, y));
                return true;
            }
        });
    }
    for (JavaKind kind : new JavaKind[] { JavaKind.Float, JavaKind.Double }) {
        r.registerConditional(lowerer.supportsRounding(), new InvocationPlugin("truncate", kind.toJavaClass()) {

            @Override
            public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode x) {
                b.addPush(kind, new RoundNode(x, RoundingMode.TRUNCATE));
                return true;
            }
        });
    }
}