sparc.c (sparc_absnegfloat_split_legitimate): Do not call alter_subreg.

	* sparc.c (sparc_absnegfloat_split_legitimate): Do not call
	alter_subreg.
	* sparc.md (post-reload splitters): Do not call alter_subreg.
	* cfgrtl.c (purge_dead_edges): Fix typo in previous fix.

From-SVN: r47339

gcc/ChangeLog

+Mon Nov 26 11:36:20 CET 2001 Jan Hubicka  <jh@suse.cz>
+
+	* sparc.c (sparc_absnegfloat_split_legitimate): Do not call
+	alter_subreg.
+	* sparc.md (post-reload splitters): Do not call alter_subreg.
+	* cfgrtl.c (purge_dead_edges): Fix typo in previous fix.
+
 2001-11-25  Aldy Hernandez  <aldyh@redhat.com>
 
 	* regclass.c (choose_hard_reg_mode): Handle vector arguments.

gcc/cfgrtl.c

@@ -1841,7 +1841,7 @@ purge_dead_edges (bb)
 	  /* Avoid abnormal flags to leak from computed jumps turned
 	     into simplejumps.  */
  
-	  e->flags &= EDGE_ABNORMAL;
+	  e->flags &= ~EDGE_ABNORMAL;
 
 	  /* Check purposes we can have edge.  */
 	  if ((e->flags & EDGE_FALLTHRU)

gcc/config/sparc/sparc.c

@@ -5605,12 +5605,8 @@ int
 sparc_absnegfloat_split_legitimate (x, y)
      rtx x, y;
 {
-  if (GET_CODE (x) == SUBREG)
-    x = alter_subreg (x);
   if (GET_CODE (x) != REG)
     return 0;
-  if (GET_CODE (y) == SUBREG)
-    y = alter_subreg (y);
   if (GET_CODE (y) != REG)
     return 0;
   if (REGNO (x) == REGNO (y))