[Bug target/79964] Cortex A53 codegen still not optimal

[tulipawn at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79964

--- Comment #7 from PeteVine <tulipawn at gmail dot com> ---
Thanks for pointing that out! I was using my bash history to change the CFLAGS
and when I was flipping the crc switch I didn't notice I'd picked a version
without -frename-registers, hence this wrong conclusion :)

Definitely then, -frename-registers it is!

http://openbenchmarking.org/result/1707307-RI-CORTEXA5313