[llvm] [NFC][RISCV] Move Zvfbf* relative stuffs to RISCVInstrInfoZvfbf.td (PR #159619)

[Jim Lin via llvm-commits]

================
@@ -31,3 +31,68 @@ let Predicates = [HasStdExtZvfbfwma],
     DestEEW = EEWSEWx2 in {
 defm VFWMACCBF16_V : VWMAC_FV_V_F<"vfwmaccbf16", 0b111011>;
 }
+
+//===----------------------------------------------------------------------===//
+// Pseudo instructions
+//===----------------------------------------------------------------------===//
+let Predicates = [HasStdExtZvfbfmin] in {
+  defm PseudoVFWCVTBF16_F_F :  VPseudoVWCVTD_V;
+  defm PseudoVFNCVTBF16_F_F :  VPseudoVNCVTD_W_RM;
----------------
tclin914 wrote:

```suggestion
  defm PseudoVFWCVTBF16_F_F : VPseudoVWCVTD_V;
  defm PseudoVFNCVTBF16_F_F : VPseudoVNCVTD_W_RM;
```

https://github.com/llvm/llvm-project/pull/159619