[Bug rtl-optimization/105477] RISC-V: Regression: Useless moves in conditional select return

[dimitar at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105477

--- Comment #3 from Dimitar Dimitrov <dimitar at gcc dot gnu.org> ---
Commit r15-1579-g792f97b44ffc5e improves the generated code:

test:
        bne     a2,zero,.L2
        mv      a1,a0
.L2:
        mv      a0,a1
        ret