On 20/06/16 15:42, Segher Boessenkool wrote: > On Mon, Jun 20, 2016 at 02:55:58PM +0100, Andrew Haley wrote: >> On 20/06/16 14:50, Segher Boessenkool wrote: >>> If basic asm is deprecated, that means some time later it will be >>> removed, at which time an asm without : can be used as extended asm >> >> Not exactly: it'd be an asm with no inputs, no outputs, and no >> clobbers i.e. no effects. > > I'm not sure what you mean? It will be treated exactly the same as > basic asm (it is now, anyway). And it has an effect, it is volatile > after all, not having any outputs?
Well, you didn't say that it was volatile: and unless it really is an asm volatile (not just an asm) an extended asm with no effects is a statement with no effects. Andrew.