[Bug middle-end/41069] lto1: error: type mismatch in indirect reference

[rguenther at suse dot de]

------- Comment #13 from rguenther at suse dot de  2009-08-15 12:28 -------
Subject: Re:  lto1: error: type mismatch in indirect
 reference

On Sat, 15 Aug 2009, jv244 at cam dot ac dot uk wrote:

> 
> 
> ------- Comment #12 from jv244 at cam dot ac dot uk  2009-08-15 12:25 -------
> (In reply to comment #11)
> 
> > You definitely want to add -fwhole-program for extra optimization and
> > a less overall program size.  
> 
> there are still the two issues I reported in PR40011 with  -fwhole-file.. hmm
> actually -fwhole-program you say. I'll give it a try, but it is slow process,
> -flto needs about 35min compile time and 10.5Gb RAM.

Doh.  How does that compare to the all-CP2K in one file builds?
Sounds like you might want to try -fwhopr as well ...

> Can I relink tobjects compiled without -fwhole-program with that option, or do
> compile time and 'lto'-time options need to match?

Yes, you can re-link with -fwhole-program, it is only relevant at link 
stage.

> > Does CP2K also work? ;)
> 
> I only tried two tests, but these seem fine.

Nice.

Richard.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41069