[Bug target/80834] PowerPC gcc -mcpu=power9 seems to turn off vectorization that -mcpu=power8 enables

meissner at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Sat May 20 01:39:00 GMT 2017


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80834

Michael Meissner <meissner at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |INVALID

--- Comment #1 from Michael Meissner <meissner at gcc dot gnu.org> ---
I was posting from my compiler with patches for 80718, and evidently they broke
the vectorization.  If I use an earlier compiler it is fine.  So it is my
problem, not a bug in the current GCC 8.


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