2008-05-01 H.J. Lu <hongjiu.lu@intel.com>

[pf3gnuchains/gcc-fork.git] / gcc / postreload.c

diff --git a/gcc/postreload.c b/gcc/postreload.c
index 3894efa..7e40728 100644 (file)
--- a/gcc/postreload.c
+++ b/gcc/postreload.c
@@ -7,7 +7,7 @@ This file is part of GCC.
 
 GCC is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free
 
 GCC is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free

-Software Foundation; either version 2, or (at your option) any later
+Software Foundation; either version 3, or (at your option) any later

 version.
 
 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
 version.
 
 GCC is distributed in the hope that it will be useful, but WITHOUT ANY


@@ -16,9 +16,8 @@ FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 for more details.
 
 You should have received a copy of the GNU General Public License
 for more details.
 
 You should have received a copy of the GNU General Public License

-along with GCC; see the file COPYING.  If not, write to the Free
-Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301, USA.  */
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */

 
 #include "config.h"
 #include "system.h"
 
 #include "config.h"
 #include "system.h"


@@ -58,10 +57,10 @@ static int reload_cse_simplify_operands (rtx, rtx);
 
 static void reload_combine (void);
 static void reload_combine_note_use (rtx *, rtx);
 
 static void reload_combine (void);
 static void reload_combine_note_use (rtx *, rtx);

-static void reload_combine_note_store (rtx, rtx, void *);
+static void reload_combine_note_store (rtx, const_rtx, void *);

 
 static void reload_cse_move2add (rtx);
 
 static void reload_cse_move2add (rtx);

-static void move2add_note_store (rtx, rtx, void *);
+static void move2add_note_store (rtx, const_rtx, void *);

 
 /* Call cse / combine like post-reload optimization phases.
    FIRST is the first instruction.  */
 
 /* Call cse / combine like post-reload optimization phases.
    FIRST is the first instruction.  */


@@ -345,7 +344,7 @@ reload_cse_simplify_set (rtx set, rtx insn)
            }
 #endif
 
            }
 #endif
 

-         validate_change (insn, &SET_SRC (set), copy_rtx (this_rtx), 1);
+         validate_unshare_change (insn, &SET_SRC (set), this_rtx, 1);

          old_cost = this_cost, did_change = 1;
        }
     }
          old_cost = this_cost, did_change = 1;
        }
     }


@@ -881,11 +880,11 @@ reload_combine (void)
                 with REG_SUM.  */
              for (i = reg_state[regno].use_index;
                   i < RELOAD_COMBINE_MAX_USES; i++)
                 with REG_SUM.  */
              for (i = reg_state[regno].use_index;
                   i < RELOAD_COMBINE_MAX_USES; i++)

-               validate_change (reg_state[regno].reg_use[i].insn,
-                                reg_state[regno].reg_use[i].usep,
-                                /* Each change must have its own
-                                   replacement.  */
-                                copy_rtx (reg_sum), 1);
+               validate_unshare_change (reg_state[regno].reg_use[i].insn,
+                                        reg_state[regno].reg_use[i].usep,
+                                        /* Each change must have its own
+                                           replacement.  */
+                                        reg_sum, 1);

 
              if (apply_change_group ())
                {
 
              if (apply_change_group ())
                {


@@ -981,7 +980,7 @@ reload_combine (void)
    accordingly.  Called via note_stores from reload_combine.  */
 
 static void
    accordingly.  Called via note_stores from reload_combine.  */
 
 static void

-reload_combine_note_store (rtx dst, rtx set, void *data ATTRIBUTE_UNUSED)
+reload_combine_note_store (rtx dst, const_rtx set, void *data ATTRIBUTE_UNUSED)

 {
   int regno = 0;
   int i;
 {
   int regno = 0;
   int i;


@@ -1420,7 +1419,7 @@ reload_cse_move2add (rtx first)
    Called from reload_cse_move2add via note_stores.  */
 
 static void
    Called from reload_cse_move2add via note_stores.  */
 
 static void

-move2add_note_store (rtx dst, rtx set, void *data ATTRIBUTE_UNUSED)
+move2add_note_store (rtx dst, const_rtx set, void *data ATTRIBUTE_UNUSED)

 {
   unsigned int regno = 0;
   unsigned int nregs = 0;
 {
   unsigned int regno = 0;
   unsigned int nregs = 0;


@@ -1586,8 +1585,10 @@ rest_of_handle_postreload (void)
   return 0;
 }
 
   return 0;
 }
 

-struct tree_opt_pass pass_postreload_cse =
+struct rtl_opt_pass pass_postreload_cse =

 {
 {

+ {
+  RTL_PASS,

   "postreload",                         /* name */
   gate_handle_postreload,               /* gate */
   rest_of_handle_postreload,            /* execute */
   "postreload",                         /* name */
   gate_handle_postreload,               /* gate */
   rest_of_handle_postreload,            /* execute */


@@ -1599,8 +1600,8 @@ struct tree_opt_pass pass_postreload_cse =
   0,                                    /* properties_provided */
   0,                                    /* properties_destroyed */
   0,                                    /* todo_flags_start */
   0,                                    /* properties_provided */
   0,                                    /* properties_destroyed */
   0,                                    /* todo_flags_start */

-  TODO_df_finish |
-  TODO_dump_func,                       /* todo_flags_finish */
-  'o'                                   /* letter */
+  TODO_df_finish | TODO_verify_rtl_sharing |
+  TODO_dump_func                        /* todo_flags_finish */
+ }

 };
 
 };