[llvm] [RISCV][MC] Support Base P non-GPR pair instructions (PR #137927)

[Craig Topper via llvm-commits]

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@@ -22,10 +22,10 @@ fl ft0, 0(sp)
 # CHECK-RV64IF: did you mean: flw, la, lb, ld, lh, li, lw
 # CHECK-NEXT: fl ft0, 0(sp)
 
-addd x1, x1, x1
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topperc wrote:

Why does this need to change in this patch? You didn't include `addd` in this patch.

https://github.com/llvm/llvm-project/pull/137927