Re: [patch, rfc] Make store motion use alias oracle

["Richard Guenther" <richard dot guenther at gmail dot com>]

On 1/30/07, Victor Kaplansky <VICTORK@il.ibm.com> wrote:
> "Richard Guenther" <richard.guenther@gmail.com> wrote on 30.01.2007
> 16:45:43:
>
> >
> > You probably mean this:
> >
> > http://gcc.gnu.org/ml/gcc-patches/2006-02/msg00669.html
> >
> > and indeed that should have fixed it.
> >
> > Richard.
>
> As far as I can see this patch has been committed to mainline.
> It helps to propagate only a simple case like:
>
>   1 typedef struct { int x; int y; } S;
>   2
>   3 int foo(S *p, int x)
>   4 {
>   5   p->x = x;
>   6   return p->x;
>   7 }

The patch didn't go in, but only a fix to make store_copyprop handle
the case you quoted (which it was designed to handle but for some reason
the support for it was broken, see PR26135).

Richard.