[Bug target/80697] On PowerPC, the spec 2006 benchmark milc had a 5.6% regression under GCC 7.1 compared to GCC 6.3.

[meissner at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80697

--- Comment #8 from Michael Meissner <meissner at gcc dot gnu.org> ---
I forgot to mention that I ran the MILC benchmark on a little endian power8
system, using -mcpu=power8 in addition to -O3 and -ffast-math.