From ed5640d8b587fbcfed7dd7967f3de04b37a76f26 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 11:06:44 +0200 Subject: Adding upstream version 4:7.4.7. Signed-off-by: Daniel Baumann --- include/onlineupdate/mozilla/Likely.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 include/onlineupdate/mozilla/Likely.h (limited to 'include/onlineupdate/mozilla/Likely.h') diff --git a/include/onlineupdate/mozilla/Likely.h b/include/onlineupdate/mozilla/Likely.h new file mode 100644 index 000000000..5625bb226 --- /dev/null +++ b/include/onlineupdate/mozilla/Likely.h @@ -0,0 +1,23 @@ +/* -*- 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 */ -- cgit v1.2.3