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Diffstat (limited to 'libdimension/compiler-internal.h')
| -rw-r--r-- | libdimension/compiler-internal.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/libdimension/compiler-internal.h b/libdimension/compiler-internal.h new file mode 100644 index 0000000..e59ece2 --- /dev/null +++ b/libdimension/compiler-internal.h @@ -0,0 +1,51 @@ +/************************************************************************* + * Copyright (C) 2010-2011 Tavian Barnes <tavianator@tavianator.com> * + * * + * This file is part of The Dimension Library. * + * * + * The Dimension Library 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. * + * * + * The Dimension Library 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 Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this program. If not, see * + * <http://www.gnu.org/licenses/>. * + *************************************************************************/ + +/** + * @file + * Internally-used compiler abstractions. + */ + +#include <stdbool.h> + +#ifdef DMNSN_PROFILE + #define dmnsn_likely(test) \ + dmnsn_expect(!!(test), true, DMNSN_FUNC, __FILE__, __LINE__) + #define dmnsn_unlikely(test) \ + dmnsn_expect(!!(test), false, DMNSN_FUNC, __FILE__, __LINE__) +#elif defined(__GNUC__) + #define dmnsn_likely(test) __builtin_expect(!!(test), true) + #define dmnsn_unlikely(test) __builtin_expect(!!(test), false) +#else + #define dmnsn_likely(test) (!!(test)) + #define dmnsn_unlikely(test) (!!(test)) +#endif + +#ifdef __GNUC__ + #define DMNSN_HOT __attribute__((hot)) + #define DMNSN_INTERNAL __attribute__((visibility("hidden"))) + #define DMNSN_DESTRUCTOR __attribute__((destructor(102))) + #define DMNSN_LATE_DESTRUCTOR __attribute__((destructor(101))) +#else + #define DMNSN_HOT + #define DMNSN_INTERNAL + #define DMNSN_DESTRUCTOR + #define DMNSN_LATE_DESTRUCTOR +#endif |