On 20/06/16 15:52, Segher Boessenkool wrote: > On Mon, Jun 20, 2016 at 03:49:19PM +0100, Andrew Haley wrote: >> 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. > > An extended asm without outputs is always volatile (exactly because > it would be useless otherwise).
Oh, I see what you mean now. Yes, point taken. Andrew.
