[Bug inline-asm/87984] [7/8/9 Regression] wrong code for local reg var input to asm

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87984

--- Comment #26 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
(In reply to Alexander Monakov from comment #25)
> (In reply to Jakub Jelinek from comment #22)
> > A function call must be assumed to clobber any call used registers of course.
> > But calls already do have vops (well, const/pure don't, and I don't think we
> > want to change that).
> 
> Yes, and also plain arithmetic that becomes a libcall doesn't have vops.

That is something GIMPLE can't figure out though.