/usr/include/js-17.0/mozilla/Likely.h is in libmozjs-17.0-dev 17.0.0-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | /* -*- 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__) && (__GNUC__ > 2))
# 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_ */
|