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/* -*- 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_ */