Index: combine.c
===================================================================
--- combine.c	(revision 161116)
+++ combine.c	(working copy)
@@ -6835,12 +6835,6 @@ make_extraction (enum machine_mode mode,
       extraction_mode = mode_for_extraction (EP_extv, 0);
     }
 
-  /* Never narrow an object, since that might not be safe.  */
-
-  if (mode != VOIDmode
-      && GET_MODE_SIZE (extraction_mode) < GET_MODE_SIZE (mode))
-    extraction_mode = mode;
-
   if (pos_rtx && GET_MODE (pos_rtx) != VOIDmode
       && GET_MODE_SIZE (pos_mode) < GET_MODE_SIZE (GET_MODE (pos_rtx)))
     pos_mode = GET_MODE (pos_rtx);
Index: passes.c
===================================================================
--- passes.c	(revision 161116)
+++ passes.c	(working copy)
@@ -1014,6 +1014,7 @@ init_optimization_passes (void)
       NEXT_PASS (pass_regmove);
       NEXT_PASS (pass_outof_cfg_layout_mode);
       NEXT_PASS (pass_split_all_insns);
+      NEXT_PASS (pass_fast_rtl_byte_dce);
       NEXT_PASS (pass_lower_subreg2);
       NEXT_PASS (pass_df_initialize_no_opt);
       NEXT_PASS (pass_stack_ptr_mod);