Re: basic asm and memory clobbers

2015-11-27 Thread Segher Boessenkool
Hi Bernd, On Fri, Nov 27, 2015 at 09:26:40AM +, Bernd Edlinger wrote: > On Tue, 17 Nov 2015 14:31:29, Jeff Law wrote: > > The benefit is traditional asms do the expected thing. With no way to > > describe dataflow, the only rational behaviour for a traditional asm is > > that it has to be co

Re: basic asm and memory clobbers

2015-11-27 Thread Bernd Edlinger
Hi, On Tue, 17 Nov 2015 14:31:29, Jeff Law wrote: > The benefit is traditional asms do the expected thing. With no way to > describe dataflow, the only rational behaviour for a traditional asm is that > it has to be considered a use/clobber of memory and hard registers. I'd like to mention he