Revision 25c3e18905f16ea6f27c88720c930cdff5673306 authored by Ryan VanderMeulen on 06 February 2020, 21:18:31 UTC, committed by Ryan VanderMeulen on 06 February 2020, 21:18:31 UTC
1 parent 8648bb3
Likely.h
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 */
Computing file changes ...
