regrename.c (regrename_optimize): Fix dumping.

	* regrename.c (regrename_optimize): Fix dumping.
	(find_oldest_value_reg): Preserve REG_POINTER.
	(copy_hardreg_forward_1): Likewise.
	process_init_element callers.

From-SVN: r143235

gcc/ChangeLog

+2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
+
+	* regrename.c (regrename_optimize): Fix dumping.
+	(find_oldest_value_reg): Preserve REG_POINTER.
+	(copy_hardreg_forward_1): Likewise.
+
 2009-01-09  Diego Novillo  <dnovillo@google.com>
 
 	* gimple.h (struct gimple_statement_base)<uid>: Document

gcc/regrename.c

@@ -340,12 +340,12 @@ regrename_optimize (void)
 	      continue;
 	    }
 
+	  if (dump_file)
+	    fprintf (dump_file, ", renamed as %s\n", reg_names[best_new_reg]);
+
 	  do_replace (this_du, best_new_reg);
 	  tick[best_new_reg] = ++this_tick;
 	  df_set_regs_ever_live (best_new_reg, true);
-
-	  if (dump_file)
-	    fprintf (dump_file, ", renamed as %s\n", reg_names[best_new_reg]);
 	}
 
       obstack_free (&rename_obstack, first_obj);
@@ -1388,6 +1388,7 @@ find_oldest_value_reg (enum reg_class cl, rtx reg, struct value_data *vd)
 	{
 	  ORIGINAL_REGNO (new_rtx) = ORIGINAL_REGNO (reg);
 	  REG_ATTRS (new_rtx) = REG_ATTRS (reg);
+	  REG_POINTER (new_rtx) = REG_POINTER (reg);
 	  return new_rtx;
 	}
     }
@@ -1686,6 +1687,7 @@ copyprop_hardreg_forward_1 (basic_block bb, struct value_data *vd)
 		    {
 		      ORIGINAL_REGNO (new_rtx) = ORIGINAL_REGNO (src);
 		      REG_ATTRS (new_rtx) = REG_ATTRS (src);
+		      REG_POINTER (new_rtx) = REG_POINTER (src);
 		      if (dump_file)
 			fprintf (dump_file,
 				 "insn %u: replaced reg %u with %u\n",