diff --git a/lib/common/compiler.h b/lib/common/compiler.h index b588e110..366ed2b4 100644 --- a/lib/common/compiler.h +++ b/lib/common/compiler.h @@ -92,7 +92,7 @@ #if defined(_MSC_VER) && (defined(_M_X64) || defined(_M_I86)) /* _mm_prefetch() is not defined outside of x86/x64 */ # include /* https://msdn.microsoft.com/fr-fr/library/84szxsww(v=vs.90).aspx */ # define PREFETCH(ptr) _mm_prefetch((const char*)ptr, _MM_HINT_T0) -#elif defined(__GNUC__) +#elif defined(__GNUC__) && ( (__GNUC__ >= 4) || ( (__GNUC__ == 3) && (__GNUC_MINOR__ >= 1) ) ) # define PREFETCH(ptr) __builtin_prefetch(ptr, 0, 0) #else # define PREFETCH(ptr) /* disabled */