The RISC-V compiler back-end currently within the LLVM tree has been treated as “experimental” but for the in-development 9.0 release, it could become an “official” back-end. Thanks to good unit test coverage, a 100% pass rate on the GCC torture suite, and other good test coverage, there is an effort now to make this RISC-V target official for LLVM.
To read more, please visit: https://www.phoronix.com/scan.php?page=news_item&px=LLVM-9.0-RISC-V-Official-Aim.