re PR middle-end/60292 (ICE: in fill_vec_av_set, at sel-sched.c:3863 with -m64…

re PR middle-end/60292 (ICE: in fill_vec_av_set, at sel-sched.c:3863 with -m64 after r206174 on powerpc-apple-darwin9.8.0)

	PR rtl-optimization/60292
	* sel-sched.c (fill_vec_av_set): Do not reset target availability
	bit fot the fence instruction.

From-SVN: r208109

gcc/ChangeLog

+2014-02-25  Andrey Belevantsev  <abel@ispras.ru>
+
+	PR rtl-optimization/60292
+	* sel-sched.c (fill_vec_av_set): Do not reset target availability
+	bit fot the fence instruction.
+
 2014-02-24  Alangi Derick  <alangiderick@gmail.com>
 
 	* calls.h: Fix typo in comment.

gcc/sel-sched.c

@@ -3823,7 +3823,8 @@ fill_vec_av_set (av_set_t av, blist_t bnds, fence_t fence,
 
       /* If insn was already scheduled on the current fence,
 	 set TARGET_AVAILABLE to -1 no matter what expr's attribute says.  */
-      if (vinsn_vec_has_expr_p (vec_target_unavailable_vinsns, expr))
+      if (vinsn_vec_has_expr_p (vec_target_unavailable_vinsns, expr)
+	  && !fence_insn_p)
 	target_available = -1;
 
       /* If the availability of the EXPR is invalidated by the insertion of