[Bug target/101908] [12 regression] cray regression with -O2 -ftree-slp-vectorize compared to -O2

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101908

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P1
          Component|tree-optimization           |target

--- Comment #18 from Richard Biener <rguenth at gcc dot gnu.org> ---
I do think this general issue, using %xmm for argument passing and
vectorizing with -O2 will see a lot of people stumbling into such unexpected
issues so I fear we have to do something about it.