[Bug rtl-optimization/17088] poor fortran optimisation at -O2/3
pinskia at gcc dot gnu dot org
gcc-bugzilla@gcc.gnu.org
Thu Jan 6 21:39:00 GMT 2005
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-01-06 21:39 -------
Looks like to me the register allocator is f'ing up as on PPC (where there more fp registers) -O2 is faster
(by a factor of 2) than -O1. It is also one of the reasons why new-ra could be fucking up too.
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GCC target triplet| |i686-pc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17088
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