[Bug target/109279] RISC-V: complex constants synthesized should be improved

[vineet.gupta at linux dot dev via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109279

--- Comment #11 from Vineet Gupta <vineet.gupta at linux dot dev> ---
With change suggested by @pinksia, I do see that in split1, 
riscv_move_integer() -> riscv_split_integer() is now called.