updated comment

Author: sparker-arm

llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp

@@ -3588,9 +3588,9 @@ static SDValue performMulCombine(SDNode *N,
   if (auto Res = TryWideExtMulCombine(N, DCI.DAG))
     return Res;
 
-  // We don't natively support v16i8 mul, but we do support v8i16 so split the
-  // inputs and extend them to v8i16. Only do this before legalization in case
-  // a narrow vector is widened and may be simplified later.
+  // We don't natively support v16i8 or v8i8 mul, but we do support v8i16. So,
+  // extend them to v8i16. Only do this before legalization in case a narrow
+  // vector is widened and may be simplified later.
   if (!DCI.isBeforeLegalize() || (VT != MVT::v8i8 && VT != MVT::v16i8))
     return SDValue();