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 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
 * conditions and the following disclaimer in the documentation and/or other materials provided
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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.runtime.nodes.asm;

import com.oracle.truffle.api.dsl.Cached;
import com.oracle.truffle.api.dsl.NodeChild;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.frame.VirtualFrame;
import com.oracle.truffle.llvm.runtime.memory.LLVMStack.LLVMStackAccess;
import com.oracle.truffle.llvm.runtime.nodes.api.LLVMExpressionNode;
import com.oracle.truffle.llvm.runtime.nodes.api.LLVMStatementNode;
import com.oracle.truffle.llvm.runtime.nodes.memory.store.LLVMI16StoreNode;
import com.oracle.truffle.llvm.runtime.nodes.memory.store.LLVMI32StoreNode;
import com.oracle.truffle.llvm.runtime.nodes.memory.store.LLVMI64StoreNode;
import com.oracle.truffle.llvm.runtime.pointer.LLVMPointer;

@NodeChild(value = "value", type = LLVMExpressionNode.class)
public abstract class LLVMAMD64PushNode extends LLVMStatementNode {

    protected final LLVMStackAccess stackAccess;

    protected LLVMAMD64PushNode(LLVMStackAccess stackAccess) {
        this.stackAccess = stackAccess;
    }

    public abstract static class LLVMAMD64PushwNode extends LLVMAMD64PushNode {
        protected LLVMAMD64PushwNode(LLVMStackAccess stackAccess) {
            super(stackAccess);
        }

        @Specialization
        protected void doVoid(VirtualFrame frame, short value,
                        @Cached LLVMI16StoreNode store) {
            LLVMPointer stackPointer = stackAccess.executeGet(frame).increment(-LLVMExpressionNode.I16_SIZE_IN_BYTES);
            stackAccess.executeSet(frame, stackPointer);
            store.executeWithTarget(stackPointer, value);
        }
    }

    public abstract static class LLVMAMD64PushlNode extends LLVMAMD64PushNode {
        protected LLVMAMD64PushlNode(LLVMStackAccess stackAccess) {
            super(stackAccess);
        }

        @Specialization
        protected void doVoid(VirtualFrame frame, int value,
                        @Cached LLVMI32StoreNode store) {
            LLVMPointer stackPointer = stackAccess.executeGet(frame).increment(-LLVMExpressionNode.I32_SIZE_IN_BYTES);
            stackAccess.executeSet(frame, stackPointer);
            store.executeWithTarget(stackPointer, value);
        }
    }

    public abstract static class LLVMAMD64PushqNode extends LLVMAMD64PushNode {
        protected LLVMAMD64PushqNode(LLVMStackAccess stackAccess) {
            super(stackAccess);
        }

        @Specialization
        protected void doVoid(VirtualFrame frame, long value,
                        @Cached LLVMI64StoreNode store) {
            LLVMPointer stackPointer = stackAccess.executeGet(frame).increment(-LLVMExpressionNode.I64_SIZE_IN_BYTES);
            stackAccess.executeSet(frame, stackPointer);
            store.executeWithTarget(stackPointer, value);
        }
    }
}