[compiler-rt] [llvm] [RISCV] Implement Zicfiss Extension Bitmask (PR #201699)

[Sam Elliott via llvm-commits]

lenary wrote:

It is indeed not documented :/ - https://github.com/torvalds/linux/blob/master/arch/riscv/include/uapi/asm/hwprobe.h



https://github.com/llvm/llvm-project/pull/201699