SMS: Add use-def chain problem

From-SVN: r129721

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1de91aa..f1e5298 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2007-10-29  Revital Eres  <eres@il.ibm.com> 
+
+       * modulo-sched.c (sms_schedule): Add DF_UD_CHAIN problem.
+
 2007-10-29  Razya Ladelsky
 
         Automatic parallelization reduction tests.

diff --git a/gcc/modulo-sched.c b/gcc/modulo-sched.c
index 8e62c35..58adb8c 100644 (file)
--- a/gcc/modulo-sched.c
+++ b/gcc/modulo-sched.c
@@ -902,7 +902,7 @@ sms_schedule (void)
   df_set_flags (DF_LR_RUN_DCE);
   df_rd_add_problem ();
   df_note_add_problem ();
-  df_chain_add_problem (DF_DU_CHAIN);
+  df_chain_add_problem (DF_DU_CHAIN + DF_UD_CHAIN);
   df_analyze ();
   regstat_compute_calls_crossed ();
   sched_init ();