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 * conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
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 * 3. Neither the name of the copyright holder nor the names of its contributors may be used to
 * endorse or promote products derived from this software without specific prior written
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package com.oracle.truffle.llvm.nodes.cast;

import com.oracle.truffle.api.dsl.NodeChild;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.llvm.runtime.floating.LLVM80BitFloat;
import com.oracle.truffle.llvm.runtime.nodes.api.LLVMExpressionNode;

public abstract class LLVMTo80BitFloatingNode extends LLVMExpressionNode {

    @NodeChild(value = "fromNode", type = LLVMExpressionNode.class)
    public abstract static class LLVMSignedToLLVM80BitFloatNode extends LLVMTo80BitFloatingNode {

        @Specialization
        public LLVM80BitFloat execute80BitFloat(byte from) {
            return LLVM80BitFloat.fromByte(from);
        }

        @Specialization
        public LLVM80BitFloat executeLLVM80BitFloatNode(short from) {
            return LLVM80BitFloat.fromShort(from);
        }

        @Specialization
        public LLVM80BitFloat executeLLVM80BitFloatNode(int from) {
            return LLVM80BitFloat.fromInt(from);
        }

        @Specialization
        public LLVM80BitFloat executeLLVM80BitFloatNode(long from) {
            return LLVM80BitFloat.fromLong(from);
        }

        @Specialization
        public LLVM80BitFloat executeLLVM80BitFloatNode(float from) {
            // TODO implement
            throw new AssertionError(from);
        }

        @Specialization
        public LLVM80BitFloat executeLLVM80BitFloatNode(double from) {
            return LLVM80BitFloat.fromDouble(from);
        }

        @Specialization
        public LLVM80BitFloat executeLLVM80BitFloatNode(LLVM80BitFloat from) {
            return from;
        }
    }

    @NodeChild(value = "fromNode", type = LLVMExpressionNode.class)
    public abstract static class LLVMUnsignedToLLVM80BitFloatNode extends LLVMTo80BitFloatingNode {

        @Specialization
        public LLVM80BitFloat execute80BitFloat(byte from) {
            return LLVM80BitFloat.fromUnsignedByte(from);
        }

        @Specialization
        public LLVM80BitFloat executeLLVM80BitFloatNode(int from) {
            return LLVM80BitFloat.fromUnsignedInt(from);
        }

        @Specialization
        public LLVM80BitFloat executeLLVM80BitFloatNode(long from) {
            return LLVM80BitFloat.fromUnsignedLong(from);
        }

        @Specialization
        public LLVM80BitFloat executeLLVM80BitFloatNode(float from) {
            // TODO implement
            throw new AssertionError(from);
        }

        @Specialization
        public LLVM80BitFloat executeLLVM80BitFloatNode(double from) {
            return LLVM80BitFloat.fromDouble(from);
        }

        @Specialization
        public LLVM80BitFloat executeLLVM80BitFloatNode(LLVM80BitFloat from) {
            return from;
        }
    }

}