On 04/01/2012 06:58 PM, NeilBrown wrote: > > I'm really surprised that the compiler doesn't optimise that out. > It depends partly on what it can depend on ... it probably isn't allowed to because of alias analysis, at least not without the else if. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf. -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
