mirror of https://github.com/axmolengine/axmol.git
23 lines
731 B
C
23 lines
731 B
C
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
|
|
* You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
/*
|
|
* MOZ_LIKELY and MOZ_UNLIKELY macros to hint to the compiler how a
|
|
* boolean predicate should be branch-predicted.
|
|
*/
|
|
|
|
#ifndef mozilla_Likely_h_
|
|
#define mozilla_Likely_h_
|
|
|
|
#if defined(__clang__) || defined(__GNUC__)
|
|
# define MOZ_LIKELY(x) (__builtin_expect(!!(x), 1))
|
|
# define MOZ_UNLIKELY(x) (__builtin_expect(!!(x), 0))
|
|
#else
|
|
# define MOZ_LIKELY(x) (!!(x))
|
|
# define MOZ_UNLIKELY(x) (!!(x))
|
|
#endif
|
|
|
|
#endif /* mozilla_Likely_h_ */
|