diff options
Diffstat (limited to 'rts/sm/Storage.c')
| -rw-r--r-- | rts/sm/Storage.c | 15 |
1 files changed, 2 insertions, 13 deletions
diff --git a/rts/sm/Storage.c b/rts/sm/Storage.c index f518856842..e2435173c1 100644 --- a/rts/sm/Storage.c +++ b/rts/sm/Storage.c @@ -1341,13 +1341,7 @@ StgWord calcTotalCompactW (void) #include <libkern/OSCacheControl.h> #endif -#if defined(__CLANG__) -/* clang defines __clear_cache as a builtin on some platforms. - * For example on armv7-linux-androideabi. The type slightly - * differs from gcc. - */ -extern void __clear_cache(void * begin, void * end); -#elif defined(__GNUC__) +#if defined(__GNUC__) /* __clear_cache is a libgcc function. * It existed before __builtin___clear_cache was introduced. * See Trac #8562. @@ -1366,16 +1360,11 @@ void flushExec (W_ len, AdjustorExecutable exec_addr) #elif (defined(arm_HOST_ARCH) || defined(aarch64_HOST_ARCH)) && defined(ios_HOST_OS) /* On iOS we need to use the special 'sys_icache_invalidate' call. */ sys_icache_invalidate(exec_addr, len); -#elif defined(__CLANG__) -# if __has_builtin(__builtin___clear_cache) - __builtin___clear_cache((void*)begin, (void*)end); -# else - __clear_cache((void*)begin, (void*)end); -# endif #elif defined(__GNUC__) /* For all other platforms, fall back to a libgcc builtin. */ unsigned char* begin = (unsigned char*)exec_addr; unsigned char* end = begin + len; + /* __builtin___clear_cache is supported since GNU C 4.3.6. * We pick 4.4 to simplify condition a bit. */ |