gcse.c, rtlanal.c: Remove obsolete comments associated with loop.c.

	* gcse.c, rtlanal.c: Remove obsolete comments associated with
	loop.c.

From-SVN: r114195

gcc/ChangeLog

+2006-05-29  Kazu Hirata  <kazu@codesourcery.com>
+
+	* gcse.c, rtlanal.c: Remove obsolete comments associated with
+	loop.c.
+
 2006-05-28  Kazu Hirata  <kazu@codesourcery.com>
 
 	* cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,

gcc/gcse.c

@@ -4576,9 +4576,6 @@ one_pre_gcse_pass (int pass)
    LABEL_NUSES count is incremented.  We have to add REG_LABEL notes,
    because the following loop optimization pass requires them.  */
 
-/* ??? This is very similar to the loop.c add_label_notes function.  We
-   could probably share code here.  */
-
 /* ??? If there was a jump optimization pass after gcse and before loop,
    then we would not need to do this here, because jump would add the
    necessary REG_LABEL notes.  */

gcc/rtlanal.c

@@ -3286,7 +3286,7 @@ rtx_cost (rtx x, enum rtx_code outer_code ATTRIBUTE_UNUSED)
       total = COSTS_N_INSNS (7);
       break;
     case USE:
-      /* Used in loop.c and combine.c as a marker.  */
+      /* Used in combine.c as a marker.  */
       total = 0;
       break;
     default: