// Matrix Construct // // Copyright (C) Matrix Construct Developers, Authors & Contributors // Copyright (C) 2016-2018 Jason Volk // // Permission to use, copy, modify, and/or distribute this software for any // purpose with or without fee is hereby granted, provided that the above // copyright notice and this permission notice is present in all copies. The // full license for this software is available in the LICENSE file. // // Portability Macros & Developer Tools // #define HAVE_IRCD_PORTABLE_H // // Common branch prediction macros // #ifndef likely #define likely(x) __builtin_expect(!!(x), 1) #endif #ifndef unlikely #define unlikely(x) __builtin_expect(!!(x), 0) #endif // // 128 bit integer support // #if !defined(HAVE_INT128_T) || !defined(HAVE_UINT128_T) namespace ircd { #if defined(HAVE___INT128_T) && defined(HAVE__UINT128_T) using int128_t = __int128_t; using uint128_t = __uint128_t; #elif defined(HAVE___INT128) using int128_t = signed __int128; using uint128_t = unsigned __int128; #else #error "Missing 128 bit integer types on this platform." #endif } #endif // // Trouble; FreeBSD unsigned long ctype // #if defined(__FreeBSD__) && !defined(ulong) typedef u_long ulong; #endif // // Trouble; clang w/ our custom assert // #if defined(__clang__) && !defined(assert) #ifdef NDEBUG #define assert(expr) \ (static_cast(0)) #else #define assert(expr) \ (static_cast(expr)? void(0): __assert_fail(#expr, __FILE__, __LINE__, __FUNCTION__)) #endif #endif