diff --git a/gcc/reload1.c b/gcc/reload1.c
index 261be0540ee..6175b3c42b3 100644
--- a/gcc/reload1.c
+++ b/gcc/reload1.c
@@ -3001,7 +3001,9 @@ eliminate_regs_in_insn (insn, replace)
 	 things can go wrong if find_reload swaps commutative operands
 	 and one is inside RTL that has been copied while the other is not. */
 
-      if (! replace)
+      /* Don't copy an asm_operands because (1) there's no need and (2)
+	 copy_rtx can't do it properly when there are multiple outputs.  */
+      if (! replace && asm_noperands (new_body) < 0)
 	new_body = copy_rtx (new_body);
 
       /* If we had a move insn but now we don't, rerecognize it.  */