http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55623
Ramana Radhakrishnan <ramana at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |ramana at gcc dot gnu.org
--- Comment #9 from Ramana Radhakrishnan <ramana at gcc dot gnu.org> 2012-12-11
16:33:25 UTC ---
(In reply to comment #8)
> You can also adjust --param tree-reassoc-width or have the target implement
> the sched.reassociation_width target hook (for the default).
I did try it on an A9 when the hook came out and it made bugger all difference
to the benchmarks I cared about on a range of values.
It's possible this might help on some of the newer cores.
ramana
