X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fcselib.h;h=1aff2514f303bba67f470a611a600ec80c879dfe;hb=d409f4c999310fd5a896e24614f7e114241d8171;hp=879b9c6c3d5d2b77ff55c26381944aadedaa68d0;hpb=1617c2760b30669bfd9368d928b5a082a99fb649;p=pf3gnuchains%2Fgcc-fork.git

diff --git a/gcc/cselib.h b/gcc/cselib.h
index 879b9c6c3d5..1aff2514f30 100644
--- a/gcc/cselib.h
+++ b/gcc/cselib.h
@@ -1,35 +1,36 @@
 /* Common subexpression elimination for GNU compiler.
-   Copyright (C) 1987, 88, 89, 92-7, 1998, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1987, 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
+   1999, 2003, 2004 Free Software Foundation, Inc.
 
-This file is part of GNU CC.
+This file is part of GCC.
 
-GNU CC 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 version.
+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
+version.
 
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+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
-along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
+along with GCC; see the file COPYING.  If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA.  */
 
 /* Describe a value.  */
-typedef struct cselib_val_struct
+typedef struct cselib_val_struct GTY(())
 {
   /* The hash value.  */
   unsigned int value;
-  union
+  union cselib_val_u
   {
     /* A VALUE rtx that points back to this structure.  */
-    rtx val_rtx;
+    rtx GTY ((tag ("1"))) val_rtx;
     /* Used to keep a list of free cselib_val structures.  */
-    struct cselib_val_struct *next_free;
-  } u;
+    struct cselib_val_struct * GTY ((skip)) next_free;
+  } GTY ((desc ("1"))) u;
 
   /* All rtl expressions that hold this value at the current time during a
      scan.  */
@@ -37,10 +38,12 @@ typedef struct cselib_val_struct
   /* If this value is used as an address, points to a list of values that
      use it as an address in a MEM.  */
   struct elt_list *addr_list;
+
+  struct cselib_val_struct *next_containing_mem;
 } cselib_val;
 
 /* A list of rtl expressions that hold the same value.  */
-struct elt_loc_list
+struct elt_loc_list GTY(())
 {
   /* Next element in the list.  */
   struct elt_loc_list *next;
@@ -48,19 +51,23 @@ struct elt_loc_list
   rtx loc;
   /* The insn that made the equivalence.  */
   rtx setting_insn;
+  /* True when setting insn is inside libcall.  */
+  bool in_libcall;
 };
 
 /* A list of cselib_val structures.  */
-struct elt_list
+struct elt_list GTY(())
 {
   struct elt_list *next;
   cselib_val *elt;
 };
 
-extern cselib_val *cselib_lookup	PARAMS ((rtx, enum machine_mode, int));
-extern void cselib_update_varray_sizes	PARAMS ((void));
-extern void cselib_init			PARAMS ((void));
-extern void cselib_finish		PARAMS ((void));
-extern void cselib_process_insn		PARAMS ((rtx));
-extern int rtx_equal_for_cselib_p	PARAMS ((rtx, rtx));
-extern int references_value_p		PARAMS ((rtx, int));
+extern cselib_val *cselib_lookup (rtx, enum machine_mode, int);
+extern void cselib_init (bool record_memory);
+extern void cselib_finish (void);
+extern void cselib_process_insn (rtx);
+extern enum machine_mode cselib_reg_set_mode (rtx);
+extern int rtx_equal_for_cselib_p (rtx, rtx);
+extern int references_value_p (rtx, int);
+extern rtx cselib_subst_to_values (rtx);
+extern void cselib_invalidate_rtx (rtx);