https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72855

--- Comment #13 from amker at gcc dot gnu.org ---
(In reply to Bill Schmidt from comment #10)
> Some experiments on trunk:
> 
> - Using Bin's patch, I see compile time reduced to ~14 minutes.
> - Using Richi's patch, I see compile time reduced to ~9 minutes.
> 
> So both are quite helpful compared to somewhere around 2 hours.
> 
> I'll plan to implement the pre-approved patch, but first I want to try to
> dig into why flag_checking appears to have an unexpected value.

Hi, could you help bootstrap/test the patch please?  I don't have machine with
doloop optimization at hand.  If test is ok, the patch should be helpful in
addition to the other one, because it's in effect moving cheaper checks before
expensive one.  Thanks.

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