diff options
| -rw-r--r-- | includes/Rts.h | 7 | ||||
| -rw-r--r-- | rts/sm/CNF.c | 5 |
2 files changed, 8 insertions, 4 deletions
diff --git a/includes/Rts.h b/includes/Rts.h index 3d4538f41d..be81b0d9c7 100644 --- a/includes/Rts.h +++ b/includes/Rts.h @@ -61,6 +61,13 @@ extern "C" { #define RTS_UNLIKELY(p) p #endif +/* __builtin_unreachable is supported since GNU C 4.5 */ +#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5) +#define RTS_UNREACHABLE __builtin_unreachable() +#else +#define RTS_UNREACHABLE abort() +#endif + /* Fix for mingw stat problem (done here so it's early enough) */ #ifdef mingw32_HOST_OS #define __MSVCRT__ 1 diff --git a/rts/sm/CNF.c b/rts/sm/CNF.c index 0594a6eb7d..f8e706aaf4 100644 --- a/rts/sm/CNF.c +++ b/rts/sm/CNF.c @@ -164,11 +164,8 @@ compactAllocateBlockInternal(Capability *cap, default: #ifdef DEBUG ASSERT(!"code should not be reached"); -#elif __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5) - /* __builtin_unreachable is supported since GNU C 4.5 */ - __builtin_unreachable(); #else - abort(); + RTS_UNREACHABLE; #endif } RELEASE_SM_LOCK; |