[llvm] [RISCV] Support LLVM IR intrinsics for XAndesVDot (PR #140223)

[Craig Topper via llvm-commits]

================
@@ -388,6 +388,21 @@ multiclass VPatVFPMADBinaryV_VX_RM<string intrinsic, string instruction,
   }
 }
 
+def VD4DOT_M1 : LMULInfo<0b000,  8,   VR, VR,   VR,   VR,   VR, "M1">;
----------------
topperc wrote:

Why do we need new LMULInfo? Looks like the only difference is what you pass to `wregclass`. Does VPseudoBinaryV_VV use `wvrclass`?

https://github.com/llvm/llvm-project/pull/140223