From: Jan Hubicka <jh@suse.cz>
Date: Mon, 20 Sep 2004 00:05:38 +0000 (+0200)
Subject: * predict.c (estimate_probability): Remove unnecesary code.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=58016611d805e892fdfea26cec9eefdc70b025d8;p=gcc.git

* predict.c (estimate_probability): Remove unnecesary code.

From-SVN: r87736
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index dc54f66bcaf..6f6582d3f1c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2004-09-20  Jan Hubicka  <jh@suse.cz>
+
+	* predict.c (estimate_probability): Remove unnecesary code.
+
 2004-09-19  Ira Rosen  <irar@il.ibm.com>
 
 	* tree-vectorizer.h (stmt_vec_info): Add vect_dr_base field.
diff --git a/gcc/predict.c b/gcc/predict.c
index 88de74b80b2..d3449077177 100644
--- a/gcc/predict.c
+++ b/gcc/predict.c
@@ -852,37 +852,9 @@ estimate_probability (struct loops *loops_info)
 
   /* Attach the combined probability to each conditional jump.  */
   FOR_EACH_BB (bb)
-    if (JUMP_P (BB_END (bb))
-	&& any_condjump_p (BB_END (bb))
-	&& bb->succ->succ_next != NULL)
-      combine_predictions_for_insn (BB_END (bb), bb);
+    combine_predictions_for_insn (BB_END (bb), bb);
 
-  remove_fake_exit_edges ();
-  /* Fill in the probability values in flowgraph based on the REG_BR_PROB
-     notes.  */
-  FOR_EACH_BB (bb)
-    {
-      rtx last_insn = BB_END (bb);
-
-      if (!can_predict_insn_p (last_insn))
-	{
-	  /* We can predict only conditional jumps at the moment.
-	     Expect each edge to be equally probable.
-	     ?? In the future we want to make abnormal edges improbable.  */
-	  int nedges = 0;
-	  edge e;
-
-	  for (e = bb->succ; e; e = e->succ_next)
-	    {
-	      nedges++;
-	      if (e->probability != 0)
-		break;
-	    }
-	  if (!e)
-	    for (e = bb->succ; e; e = e->succ_next)
-	      e->probability = (REG_BR_PROB_BASE + nedges / 2) / nedges;
-	}
-    }
+  remove_fake_edges ();
   estimate_bb_frequencies (loops_info);
   free_dominance_info (CDI_POST_DOMINATORS);
   if (profile_status == PROFILE_ABSENT)