[Bug rtl-optimization/69609] [6 Regression] block reordering consumes an inordinate amount of time, REE consumes much memory

bernds at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Fri Feb 5 01:45:00 GMT 2016


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69609

Bernd Schmidt <bernds at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |bernds at gcc dot gnu.org

--- Comment #2 from Bernd Schmidt <bernds at gcc dot gnu.org> ---
-freorder-blocks-algorithm=simple makes the bb-reorder time go down to an
insignificant fraction. Probably worth trying to see if we can determine from
the CFG whether the STC algorithm is likely to be too expensive.


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