params.def (tracer-min-branch-probability-feedback): Fix default.

	* params.def (tracer-min-branch-probability-feedback): Fix default.
	* final.c (compute_alignments): Use profile to avoid code bloat.

From-SVN: r60413

gcc/ChangeLog

+Sun Dec 22 18:23:44 CET 2002  Jan Hubicka  <jh@suse.cz>
+
+	* params.def (tracer-min-branch-probability-feedback): Fix default.
+	* final.c (compute_alignments): Use profile to avoid code bloat.
+
 2002-12-22  Kazu Hirata  <kazu@cs.umass.edu>
 
 	* config/h8300/h8300.c (get_shift_alg): Make shift insn

gcc/final.c

@@ -677,7 +677,8 @@ compute_alignments ()
       int fallthru_frequency = 0, branch_frequency = 0, has_fallthru = 0;
       edge e;
 
-      if (GET_CODE (label) != CODE_LABEL)
+      if (GET_CODE (label) != CODE_LABEL
+	  || probably_never_executed_bb_p (bb))
 	continue;
       max_log = LABEL_ALIGN (label);
       max_skip = LABEL_ALIGN_MAX_SKIP;
@@ -716,6 +717,7 @@ compute_alignments ()
       /* In case block is frequent and reached mostly by non-fallthru edge,
 	 align it.  It is most likely a first block of loop.  */
       if (has_fallthru
+	  && maybe_hot_bb_p (bb)
 	  && branch_frequency + fallthru_frequency > BB_FREQ_MAX / 10
 	  && branch_frequency > fallthru_frequency * 2)
 	{

gcc/params.def

@@ -184,7 +184,7 @@ DEFPARAM(TRACER_MIN_BRANCH_PROBABILITY_FEEDBACK,
 	 "tracer-min-branch-probability-feedback",
 	 "Stop forward growth if the probability of best edge is less than \
 this threshold (in percents). Used when profile feedback is available",
-	 30)
+	 80)
 DEFPARAM(TRACER_MIN_BRANCH_PROBABILITY,
 	 "tracer-min-branch-probability",
 	 "Stop forward growth if the probability of best edge is less than \