[clang] [llvm] [RISCV] Support Zvfbfa codegen and C intrinsics (PR #161158)

[Craig Topper via cfe-commits]

topperc wrote:

@4vtomat I've pushed code to handle _ALT FMA and vfwadd/vfwsub in commuting and the three address instruction pass to match what we do for the non-_ALT instructions.

https://github.com/llvm/llvm-project/pull/161158