[Bug target/88497] Improve Accumulation in Auto-Vectorized Code

wschmidt at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Mon Dec 17 14:51:00 GMT 2018


--- Comment #6 from Bill Schmidt <wschmidt at gcc dot gnu.org> ---
Reassociation width should be 4 for this case per the target hook.  Kelvin, you
can experiment with rs6000_reassociation_width to see if larger values give you
what you expect.

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