[clang] [RISCV] Support Xsfvqmaccdod and Xsfvqmaccqoq extensions (PR #68295)

[Michael Maitland via cfe-commits]

================
@@ -318,6 +345,16 @@ multiclass VPseudoVC_XVW<LMULInfo m, DAGOperand RS1Class,
   }
 }
 
+multiclass VPseudoSiFiveVMACC<string mx, VReg vd_type, VReg vs2_type,
+                              string Constraint = ""> {
+  def "Pseudo" # NAME # "_VV_" # mx : VPseudoTernaryNoMaskWithPolicy<vd_type, V_M1.vrclass, vs2_type, Constraint>;
----------------
michaelmaitland wrote:

Is there an 80 character limitation for TableGen? IIRC we haven't set style guidelines for TableGen which is why theres lots of TableGen with lines > 80 chars.

https://github.com/llvm/llvm-project/pull/68295