[Bug target/110748] RISC-V: optimize store of DF 0.0

[vineetg at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110748

--- Comment #10 from Vineet Gupta <vineetg at gcc dot gnu.org> ---
The fix for handling +0.0 is posted to list - really trivial.

https://gcc.gnu.org/pipermail/gcc-patches/2023-July/625217.html