llvm-project

e91f6848 - [RISCV] Update SpacemiT-X60 vector fixed-point arithmetic latencies (#150517)

[RISCV] Update SpacemiT-X60 vector fixed-point arithmetic latencies (#150517) This PR adds hardware-measured latencies for all instructions defined in Section 12 of the RVV specification: "Vector Fixed-Point Arithmetic Instructions" to the SpacemiT-X60 scheduling model.