* optabs.c (expand_atomic_store): Elide redundant model test.

From-SVN: r194504

gcc/ChangeLog

+2012-12-14  Yvan Roux  <yvan.roux@linaro.org>
+
+	* optabs.c (expand_atomic_store): Elide redundant model test.
+
 2012-12-14  Teresa Johnson  <tejohnson@google.com>
 
         PR gcov-profile/55674

gcc/optabs.c

@@ -7537,8 +7537,7 @@ expand_atomic_store (rtx mem, rtx val, enum memmodel model, bool use_release)
     }
 
   /* Otherwise assume stores are atomic, and emit the proper barriers.  */
-  if (model == MEMMODEL_SEQ_CST || model == MEMMODEL_RELEASE)
-    expand_mem_thread_fence (model);
+  expand_mem_thread_fence (model);
 
   emit_move_insn (mem, val);