[patch] Fix PR rtl-optimization/87727

[Segher Boessenkool]

On Thu, Dec 20, 2018 at 09:07:41PM +0100, Eric Botcazou wrote:
> > It's not a terrible workaround, no.  It looks like it will make some asm
> > once again fail though?  If argument registers are forwarded to in the asm.
> 
> The combiner change looks like a big hammer for such a corner case though.

That isn't the primary goal, no; the primary goal is to get better RA (by
not having the combiner do RA's work, and doing a mediocre job of it).  It
does solve these problems though.


Segher