basic asm and memory clobbers - Proposed solution

[Bernd Schmidt]

On 12/14/2015 09:10 AM, Segher Boessenkool wrote:
> That, and adding a memory clobber degrades performance for a lot of
> existing basic asm that does not expect the clobber, e.g. asm(""),
> asm("#"), asm("nop"), ...

I wonder about this. People keep bringing up "a lot of existing basic 
asm" in general, but are there any known examples in real software?


Bernd