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/* ****************************************************************************
* compiler.h -- SHC identification macros.
*
* Copyright (C) 2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
*
* This file is part of the 'all/compiler-renesas' module in libcarrot, an
* experimental modular libc project.
*
* This file is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option)
* any later version.
*
* This file is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Lesser Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this file. If not, see <http://www.gnu.org/licenses/>.
* ************************************************************************* */
/* Identify the compiler. */
#if !defined(__HITACHI__)
# error "This header should only be used with the Renesas C/C++ Compiler!"
#endif
/* ************************************************************************* */
/* Detection and version checking */
/* ************************************************************************* */
/* In case you didn't know, Renesas bought Hitachi in 2003 (?).
* That's why they changed the __HITACHI__ compiler defined macro to
* __RENESAS__, although they're also defining __HITACHI__ (and the
* associated version macro). This is just in case. */
#if defined(__RENESAS__) && !defined(__HITACHI__)
# define __HITACHI__ __RENESAS__
# define __HITACHI_VERSION__ __RENESAS_VERSION__
#endif
#if defined(__HITACHI__) && !defined(__RENESAS__)
# define __RENESAS__ __HITACHI__
# define __RENESAS_VERSION__ __HITACHI_VERSION__
#endif
/* Also, this macro is here for quick version checking.
* It is inspired from glibc's `__GNUC_PREREQ` macro. */
#ifdef __RENESAS_PREREQ
# undef __RENESAS_PREREQ
#endif
#if defined(__HITACHI__) && __HITACHI_VERSION__ >= 0xFFFF
# define __RENESAS_PREREQ(_MAJ, _MIN) \
(__HITACHI_VERSION__ >= ((_MAJ) << 24) + ((_MIN) << 16))
#elif defined(__HITACHI__)
# define __RENESAS_PREREQ(_MAJ, _MIN) \
(__HITACHI_VERSION__ >= ((_MAJ) << 8) + (_MIN))
#endif
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