sched.c (update_flow_info): Revert Oct 19, 1998 change.

        * sched.c (update_flow_info): Revert Oct 19, 1998 change.  Brings
        back Oct 15, 1998 change.
        * haifa-sched.c (update_flow_info): Likewise.
        * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
Real fix was in flow.c...

From-SVN: r23261

gcc/ChangeLog

@@ -26,6 +26,9 @@ Fri Oct 23 15:34:14 1998  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 Fri Oct 23 13:12:35 1998  Jeffrey A Law  (law@cygnus.com)
 
+	* sched.c (update_flow_info): Revert Oct 19, 1998 change.  Brings
+	back Oct 15, 1998 change.  
+	* haifa-sched.c (update_flow_info): Likewise.
 	* flow.c (life_analysis_1): Delete CLOBBER insns after reload.
 
 	* mn10200.md (truncated shift): Accept constant inputs too.

gcc/haifa-sched.c

@@ -7987,21 +7987,7 @@ update_flow_info (notes, first, last, orig_insn)
 	         register that was not needed by this instantiation of the
 	         pattern, so we can safely ignore it.  */
 	      if (insn == first)
-		{
-		  /* We have accurate death notes after reload now, but this
-		     code is still necessary.  Consider splitting a store into
-		     (subreg:DF (reg:DC) 0).  The death notes will claim the
-		     entire DCmode value is dead.  But after splitting we know
-		     that only part of it is dead.  Ie, the splitting action
-		     actually eliminated the death of one or more hard
-		     registers.  */
-		  if (reload_completed && REG_NOTE_KIND (note) == REG_DEAD)
-		    {
-		      XEXP (note, 1) = REG_NOTES (insn);
-		      REG_NOTES (insn) = note;
-		      break;
-		    }
-			
+		{			
 		  if (REG_NOTE_KIND (note) != REG_UNUSED)
 		    abort ();
 

gcc/sched.c

@@ -3828,21 +3828,7 @@ update_flow_info (notes, first, last, orig_insn)
 		 register that was not needed by this instantiation of the
 		 pattern, so we can safely ignore it.  */
 	      if (insn == first)
-		{
-		  /* We have accurate death notes after reload now, but this
-		     code is still necessary.  Consider splitting a store into
-		     (subreg:DF (reg:DC) 0).  The death notes will claim the
-		     entire DCmode value is dead.  But after splitting we know
-		     that only part of it is dead.  Ie, the splitting action
-		     actually eliminated the death of one or more hard
-		     registers.  */
-		  if (reload_completed && REG_NOTE_KIND (note) == REG_DEAD)
-		    {
-		      XEXP (note, 1) = REG_NOTES (insn);
-		      REG_NOTES (insn) = note;
-		      break;
-		    }
-			
+		{			
 		  if (REG_NOTE_KIND (note) != REG_UNUSED)
 		    abort ();