xref: /gem5/src/arch/generic/traits.hh

/*
 * Copyright (c) 2016 ARM Limited
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 *
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 * modification, are permitted provided that the following conditions are
 * met: redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer;
 * redistributions in binary form must reproduce the above copyright
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 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * Authors: Rekai Gonzalez
 */

/* Auxiliary structs for architecture traits. */

#ifndef __ARCH_COMMON_TRAITS_HH__
#define __ARCH_COMMON_TRAITS_HH__

#include "enums/VecRegRenameMode.hh"

/** Helper structure to get the vector register mode for a given ISA.
 * This way we implement a default 'full' mode, and only those ISA that care
 * have to actually specialise the template to forward the call to the
 * appropriate member of the ISA.
 */
template <typename ISA>
struct initRenameMode
{
    static Enums::VecRegRenameMode mode(const ISA*) { return Enums::Full; }
    /**
     * Compare the initial rename mode of two instances of the ISA.
     * Result is true by definition, as the default mode is Full.
     * */
    static bool equals(const ISA*, const ISA*) { return true; }
};

#endif /* __ARCH_COMMON_TRAITS_HH__ */