[llvm] [RISCV] Use lookup tables to find CVTFOpc (PR #88742)

[Pengcheng Wang via llvm-commits]

================
@@ -359,5 +359,31 @@ struct PseudoInfo {
 
 } // end namespace RISCVVPseudosTable
 
+namespace RISCVVInversePseudosTable {
----------------
wangpc-pp wrote:

We can move this to a common header (MCTargetDesc/RISCVMCTargetDesc.h?) to remove duplicated code in MCA.

https://github.com/llvm/llvm-project/pull/88742