[Bug rtl-optimization/17088] poor fortran optimisation at -O2/3

jv244 at cam dot ac dot uk gcc-bugzilla@gcc.gnu.org
Thu Jan 6 21:30:00 GMT 2005


------- Additional Comments From jv244 at cam dot ac dot uk  2005-01-06 21:30 -------
(In reply to comment #8)
> On closer inspection this is not a new-ra bug, sorry Joost.
> Can you see how the numbers look for you today?  Don't use new-ra, it is
> known to be very, very broken.

timings for -O1 and -O2 are still unchanged for a recent version of gfortran, 
i.e. -O2 is half the speed of -O1


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17088



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