llvm-project

ace08d5c - [RISCV] Add MC support for more P extension instructions. (#153458)

[RISCV] Add MC support for more P extension instructions. (#153458) These instructions are the shift by immediate and saturate by immediate instructions from the top half of page 9 of https://jhauser.us/RISCV/ext-P/RVP-instrEncodings-015.pdf I've also improved the CHECK lines in the invalid tests to check line and column number from the diagnostic. Co-authored-by: realqhc <caiqihan021@hotmail.com>