diff options
Diffstat (limited to 'src/util')
| -rw-r--r-- | src/util/macros.h | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/src/util/macros.h b/src/util/macros.h index ee05e05a4a8..2e2f90f587c 100644 --- a/src/util/macros.h +++ b/src/util/macros.h @@ -33,12 +33,12 @@ /** * __builtin_expect macros */ -#if !defined(__GNUC__) +#if !defined(HAVE___BUILTIN_EXPECT) # define __builtin_expect(x, y) (x) #endif #ifndef likely -# ifdef __GNUC__ +# ifdef HAVE___BUILTIN_EXPECT # define likely(x) __builtin_expect(!!(x), 1) # define unlikely(x) __builtin_expect(!!(x), 0) # else @@ -63,20 +63,12 @@ * Unreachable macro. Useful for suppressing "control reaches end of non-void * function" warnings. */ -#if __GNUC__ >= 4 && __GNUC_MINOR__ >= 5 +#ifdef HAVE___BUILTIN_UNREACHABLE #define unreachable(str) \ do { \ assert(!str); \ __builtin_unreachable(); \ } while (0) -#elif (defined(__clang__) && defined(__has_builtin)) -# if __has_builtin(__builtin_unreachable) -# define unreachable(str) \ -do { \ - assert(!str); \ - __builtin_unreachable(); \ -} while (0) -# endif #endif #ifndef unreachable |