[Bug target/97417] RISC-V Unnecessary andi instruction when loading volatile bool

[admin at levyhsu dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97417

--- Comment #44 from Levy <admin at levyhsu dot com> ---
should_replace_address() in fwprop.c looks really interesting:

/* OLD is a memory address.  Return whether it is good to use NEW instead,
   for a memory access in the given MODE.  */