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Re: Converting to LRA (calling all maintainers)


On Sun, Sep 25, 2016 at 04:28:04PM +0900, Oleg Endo wrote:
> > > ANd yes, I see this as a way to deprecating those cc0 targets like
> > > the 
> > > m68k :-)
> > Would be a shame to see m68k go.  There still is time...
> 
> Indeed.  68K is a perfect candidate for addressing mode optimization
> (AMS).  It was actually one of the next targets on the list after SH.
> 
> What's with all that hurry to kill the old reload?  Unless LRA can be
> brought "up to speed" for all other targets and vice versa, ripping out
> old reload and all the dependent targets would be a set back for GCC,
> IMHO.  It would lose a bunch of targets.

There is no hurry to kill old reload.  As you say, many targets will
not be converted soon.  But one day it will be removed.  Not in GCC 7,
not in GCC 8 almost certainly.  But one day.

There are enough half conversions in GCC already, and the maintenance
cost is non-zero.


Segher


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