zstd/contrib/pzstd/utils/Likely.h
W. Felix Handte 8927f985ff Update Copyright Headers 'Facebook' -> 'Meta Platforms'
```
for f in $(find . \( -path ./.git -o -path ./tests/fuzz/corpora \) -prune -o -type f);
do
  sed -i 's/Facebook, Inc\./Meta Platforms, Inc. and affiliates./' $f;
done
```
2022-12-20 12:37:57 -05:00

29 lines
739 B
C

/*
* Copyright (c) 2016-present, Meta Platforms, Inc. and affiliates.
* All rights reserved.
*
* This source code is licensed under both the BSD-style license (found in the
* LICENSE file in the root directory of this source tree) and the GPLv2 (found
* in the COPYING file in the root directory of this source tree).
*/
/**
* Compiler hints to indicate the fast path of an "if" branch: whether
* the if condition is likely to be true or false.
*
* @author Tudor Bosman (tudorb@fb.com)
*/
#pragma once
#undef LIKELY
#undef UNLIKELY
#if defined(__GNUC__) && __GNUC__ >= 4
#define LIKELY(x) (__builtin_expect((x), 1))
#define UNLIKELY(x) (__builtin_expect((x), 0))
#else
#define LIKELY(x) (x)
#define UNLIKELY(x) (x)
#endif