// -*- mode:c++ -*-

// Copyright (c) 2007 The Hewlett-Packard Development Company
// All rights reserved.
//
// Redistribution and use of this software in source and binary forms,
// with or without modification, are permitted provided that the
// following conditions are met:
//
// The software must be used only for Non-Commercial Use which means any
// use which is NOT directed to receiving any direct monetary
// compensation for, or commercial advantage from such use.  Illustrative
// examples of non-commercial use are academic research, personal study,
// teaching, education and corporate research & development.
// Illustrative examples of commercial use are distributing products for
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// commercial advantage.
//
// If you wish to use this software or functionality therein that may be
// covered by patents for commercial use, please contact:
//     Director of Intellectual Property Licensing
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//
// Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.  Redistributions
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// this software without specific prior written permission.  No right of
// sublicense is granted herewith.  Derivatives of the software and
// output created using the software may be prepared, but only for
// Non-Commercial Uses.  Derivatives of the software may be shared with
// others provided: (i) the others agree to abide by the list of
// conditions herein which includes the Non-Commercial Use restrictions;
// and (ii) such Derivatives of the software include the above copyright
// notice to acknowledge the contribution from this software where
// applicable, this list of conditions and the disclaimer below.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// Authors: Gabe Black

////////////////////////////////////////////////////////////////////
//
// Instructions that do the same thing to multiple sets of arguments.
//

output header {{
}};

output decoder {{
}};

output exec {{
}};

let {{
    multiops = {}
}};

def format MultiOp(code, switchVal, opTags, *opt_flags) {{
    # Loads and stores that bring in and write out values from the
    # instructions. These are determined by the input and output tags,
    # and the resulting instruction will have the right number of micro ops,
    # or could be implemented as an atomic macro op.
    instNames = []
    for tagSet in opTags:
        loads = []
        stores = []
        postfix = ''
        for tag in tagSet:
            postfix += '_' + tag
        gather_inputs = ''
        if len(loads) + len(stores) == 0:
            # If there are no loads or stores, make this a single instruction.
            iop = InstObjParams(name, Name + postfix, 'X86StaticInst',
                    {"code": code, "gather_inputs": gather_inputs},
                    opt_flags)
        else:
            # Build up a macro op. We'll punt on this for now
            pass

    decodeBlob = 'switch(%s) {\n' % switchVal
    counter = 0
    for inst in instNames:
        decodeBlob += '%d: return (X86StaticInst *)(new %s(machInst));\n' % \
                      (counter, inst)
        counter += 1
    decodeBlob += '}\n'
    # decode_block = BasicDecodeWithMnemonic.subst(iop)
}};