macros.hh

#pragma once

#include <cassert>

#define NEVER_INLINE  __attribute__((noinline))
#define ALWAYS_INLINE __attribute__((always_inline))
#define UNUSED __attribute__((unused))

#define likely(x)   __builtin_expect(!!(x), 1)
#define unlikely(x) __builtin_expect(!!(x), 0)

#define compiler_barrier() asm volatile("" ::: "memory")

#ifdef NDEBUG
  #define ALWAYS_ASSERT(expr) (likely((expr)) ? (void)0 : abort())
#else
  #define ALWAYS_ASSERT(expr) assert((expr))
#endif