tree-into-ssa.c (mark_block_for_update): Avoid redundant call of bitmap_bit_p.

	* tree-into-ssa.c (mark_block_for_update): Avoid redundant call
	of bitmap_bit_p.
	* cfganal.c (compute_dominance_frontiers_1): Likewise.

From-SVN: r160250

gcc/ChangeLog

 2010-06-03  Jan Hubicka  <jh@suse.cz>
 
+	* tree-into-ssa.c (mark_block_for_update): Avoid redundant call
+	of bitmap_bit_p.
+	* cfganal.c (compute_dominance_frontiers_1): Likewise.
+
+2010-06-03  Jan Hubicka  <jh@suse.cz>
+
 	* df-problems.c (df_create_unused_note, df_note_bb_compute):
 	micro-optimize the checks when to add new note.
 

gcc/cfganal.c

@@ -1275,10 +1275,9 @@ compute_dominance_frontiers_1 (bitmap *frontiers)
 	      domsb = get_immediate_dominator (CDI_DOMINATORS, b);
 	      while (runner != domsb)
 		{
-		  if (bitmap_bit_p (frontiers[runner->index], b->index))
+		  if (!bitmap_set_bit (frontiers[runner->index],
+				       b->index))
 		    break;
-		  bitmap_set_bit (frontiers[runner->index],
-				  b->index);
 		  runner = get_immediate_dominator (CDI_DOMINATORS,
 						    runner);
 		}

gcc/tree-into-ssa.c

@@ -452,9 +452,8 @@ static void
 mark_block_for_update (basic_block bb)
 {
   gcc_assert (blocks_to_update != NULL);
-  if (bitmap_bit_p (blocks_to_update, bb->index))
+  if (!bitmap_set_bit (blocks_to_update, bb->index))
     return;
-  bitmap_set_bit (blocks_to_update, bb->index);
   initialize_flags_in_bb (bb);
 }