[Bug rtl-optimization/114996] [15 Regression] [RISC-V] 2->2 combination no longer occurring

[segher at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114996

--- Comment #1 from Segher Boessenkool <segher at gcc dot gnu.org> ---
This is not a 2->2 combination.  It is a 1->1 combination, which we never have
done,
and still don't.  We incorrectly "combined" another instruction, which in fact
we
left in place, it isn't combined at all!