diff options
Diffstat (limited to 'base/include/android-base/macros.h')
| -rw-r--r-- | base/include/android-base/macros.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/base/include/android-base/macros.h b/base/include/android-base/macros.h index 913a9a03e..299ec35a9 100644 --- a/base/include/android-base/macros.h +++ b/base/include/android-base/macros.h @@ -123,8 +123,11 @@ char(&ArraySizeHelper(T(&array)[N]))[N]; // NOLINT(readability/casting) ((sizeof(a) / sizeof(*(a))) / \ static_cast<size_t>(!(sizeof(a) % sizeof(*(a))))) -#define LIKELY(x) __builtin_expect((x), true) -#define UNLIKELY(x) __builtin_expect((x), false) +// Changing this definition will cause you a lot of pain. A majority of +// vendor code defines LIKELY and UNLIKELY this way, and includes +// this header through an indirect path. +#define LIKELY( exp ) (__builtin_expect( (exp) != 0, true )) +#define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false )) #define WARN_UNUSED __attribute__((warn_unused_result)) |