* MOVSXD destination operand cannot be in memory, resolves #20850.

git-svn-id: trunk@19848 -

compiler/x86/rgx86.pas

@@ -199,6 +199,7 @@ implementation
                           A_CMOVcc,
                           A_MOVZX,
                           A_MOVSX,
+                          A_MOVSXD,
                           A_MULSS,
                           A_MULSD,
                           A_SUBSS,