/work/obj-fuzz/dist/include/mozilla/Likely.h
Line | Count | Source (jump to first uncovered line) |
1 | | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
2 | | /* vim: set ts=8 sts=2 et sw=2 tw=80: */ |
3 | | /* This Source Code Form is subject to the terms of the Mozilla Public |
4 | | * License, v. 2.0. If a copy of the MPL was not distributed with this |
5 | | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
6 | | |
7 | | /* |
8 | | * MOZ_LIKELY and MOZ_UNLIKELY macros to hint to the compiler how a |
9 | | * boolean predicate should be branch-predicted. |
10 | | */ |
11 | | |
12 | | #ifndef mozilla_Likely_h |
13 | | #define mozilla_Likely_h |
14 | | |
15 | | #if defined(__clang__) || defined(__GNUC__) |
16 | 128M | # define MOZ_LIKELY(x) (__builtin_expect(!!(x), 1)) |
17 | 1.24G | # define MOZ_UNLIKELY(x) (__builtin_expect(!!(x), 0)) |
18 | | #else |
19 | | # define MOZ_LIKELY(x) (!!(x)) |
20 | | # define MOZ_UNLIKELY(x) (!!(x)) |
21 | | #endif |
22 | | |
23 | | #endif /* mozilla_Likely_h */ |