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Re: [rtlopt] Store motion rewrite



On Thu, 13 Feb 2003, Zdenek Dvorak wrote:

> Hello,
>
> > >> Did you look at Daniel's optimization of build_store_vectors() to
> > >> make store_motion extremely fast?  I do not know if that optimization is
> > >> subsumed by your optimizations of find_moveable_store() and
> > >> compute_store_table().
> >
> > Zdenek> no I haven't seen this; where could I find it?
> >
> > 	http://gcc.gnu.org/ml/gcc-patches/2001-07/msg02162.html
>
> from first glance it seems almost same in functionality and faster; why it
> is not in mainline yet?
Because it fails to bootstrap, due to one or two stores being optimized
that shouldn't.

Let me correct that.
It fails to bootstrap on *some* platforms (it works on powerpc last i
looked, but failed on x86).

>
> Zdenek
>


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