[Bug rtl-optimization/54555] (set (REGX) (CONST_INT B)) -> (set (STRICT_LOW_PART (REGX)) (CONST_INT B)) is pessimising

[sch...@linux-m68k.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54555

--- Comment #1 from Andreas Schwab <sch...@linux-m68k.org> ---
Introduced in r63426.