On 04/24/2012 09:36 AM, Peter Zijlstra wrote: > On Tue, 2012-04-24 at 09:34 -0700, H. Peter Anvin wrote: >> On 04/24/2012 09:10 AM, Peter Zijlstra wrote: >> >> Are you sure that gcc won't simply generate this code already if given >> "unsigned __int128"? > > It might, but I've been told some GCC versions had issues, also lots of > archs fall back to libgcc functions. > Yes, but this is specific to x86-64. If gcc can generate the code it can also schedule the code, which it can't for assembly... -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html