Re: PTR-PLUS merge into the mainline

[Richard Guenther <rguenther at suse dot de>]

On Fri, 6 Jul 2007, Roman Zippel wrote:

> Hi,
> 
> On Thu, 5 Jul 2007, Richard Guenther wrote:
> 
> > For me both canonicalizations generate
> > 
> >         movl    8(%ecx,%edx,4), %eax
> >         addl    4(%ecx,%edx,4), %eax
> 
> Hmm, there seem to be other problems in this area as well.
> Either add a "p[i + 3]" to it to fool combine or try this:
> 
> int g(void);
> void foo(int *p, unsigned int i)
> {
>         p[i + 1] = g();
>         p[i + 2] = g();
> }

Btw, is there a bug-report about the issue you are facing?  Please
let's take this issue there.

Thanks,
Richard.