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/***************************************************************************
* *
* Derived from the linux-2.6 tree *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License version 2 *
* as published by the Free Software Foundation. *
* *
***************************************************************************/
#ifndef __PWMANAGER_COMPILER_H
#define __PWMANAGER_COMPILER_H
#ifdef _WIN32_
# define __builtin_expect(x, expected_value) (x)
#define NOREGPARM __attribute__((regparm(0)))
#define REGPARM __attribute__((regparm(3)))
#define likely(x) __builtin_expect(!!(x), 1)
#define unlikely(x) __builtin_expect(!!(x), 0)
#else
#ifdef __deprecated
# undef __deprecated
#endif
#if __GNUC__ >= 3
# if __GNUC_MINOR__ > 0
# define __deprecated __attribute__((deprecated))
# endif
#elif __GNUC__ == 2
# if __GNUC_MINOR__ < 96
# ifdef __builtin_expect
# undef __builtin_expect
# endif
# define __builtin_expect(x, expected_value) (x)
# endif
#else
# error "Sorry, your compiler is too old/not supported."
#endif
/*
* Allow us to mark functions as 'deprecated' and have gcc emit a nice
* warning for each use, in hopes of speeding the functions removal.
* Usage is:
* int __deprecated foo(void)
*/
#ifndef __deprecated
# define __deprecated /* unimplemented */
#endif
/* define likely() and unlikely() */
#ifdef likely
# undef likely
#endif
#ifdef unlikely
# undef unlikely
#endif
#define likely(x) __builtin_expect(!!(x), 1)
#define unlikely(x) __builtin_expect(!!(x), 0)
#ifdef NOREGPARM
# undef NOREGPARM
#endif
#define NOREGPARM __attribute__((regparm(0)))
#ifdef REGPARM
# undef REGPARM
#endif
#define REGPARM __attribute__((regparm(3)))
#endif
#endif // __PWMANAGER_COMPILER_H
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