[Bug target/80568] x86 -mavx256-split-unaligned-load (and store) is affecting AVX2 code, but probably shouldn't be.
peter at cordes dot ca
gcc-bugzilla@gcc.gnu.org
Fri Sep 8 00:48:00 GMT 2017
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80568
Peter Cordes <peter at cordes dot ca> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |DUPLICATE
--- Comment #3 from Peter Cordes <peter at cordes dot ca> ---
Bug 78762 is asking for the same thing: disable at least load-splitting in
-mtune=generic when -mavx2 is enabled.
Or more generally, ISA-aware tune=generic.
*** This bug has been marked as a duplicate of bug 78762 ***
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