[Bug rtl-optimization/70164] Code/performance regression due to poor register allocation on Cortex-M0

[andre.simoesdiasvieira at arm dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70164

--- Comment #4 from Andre Vieira <andre.simoesdiasvieira at arm dot com> ---
Revision r226901 is linked to PR64164, so I added Alexandre Oliva to the watch
list.