Clarifying a comment in genFMAIntrinsic (#62439)

dotnet · Dec 6, 2021 · 705ffd3 · 705ffd3
1 parent e968da2
commit 705ffd3
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/coreclr/jit/hwintrinsiccodegenxarch.cpp b/src/coreclr/jit/hwintrinsiccodegenxarch.cpp
@@ -2114,8 +2114,9 @@ void CodeGen::genFMAIntrinsic(GenTreeHWIntrinsic* node)
     }
     else
     {
-        // containedOpNum == 0
-        // no extra work when resultOpNum is 0 or 1
+        // When we don't have a contained operand we still want to
+        // preference based on the target register if possible.
+
         if (targetReg == op2NodeReg)
         {
             ins = _213form;