[Bug target/27855] reassociation pass produces ~30% slower matrix multiplication code

[pinskia at gcc dot gnu dot org]

------- Comment #12 from pinskia at gcc dot gnu dot org  2006-10-07 16:36 -------
(In reply to comment #11)
> Would anyone object if I'd propose to disable reassociation for floating point
> thingies on x86 for GCC 4.2?  We can re-enable it if/when amacleod's new
> out-of-ssa stuff fixes this for real...

Yes I do because it helps PPC which is why I added in the first place.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27855