2004-07-20 Frank Ch. Eigler <fche@redhat.com>

[pf3gnuchains/gcc-fork.git] / gcc / cselib.h

diff --git a/gcc/cselib.h b/gcc/cselib.h
index f29ee8d..b529060 100644 (file)
--- a/gcc/cselib.h
+++ b/gcc/cselib.h
@@ -1,6 +1,6 @@
 /* Common subexpression elimination for GNU compiler.
    Copyright (C) 1987, 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-   1999 Free Software Foundation, Inc.
+   1999, 2003, 2004 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -29,7 +29,7 @@ typedef struct cselib_val_struct GTY(())
     /* A VALUE rtx that points back to this structure.  */
     rtx GTY ((tag ("1"))) val_rtx;
     /* Used to keep a list of free cselib_val structures.  */
-    struct cselib_val_struct * GTY ((skip (""))) next_free;
+    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
@@ -38,6 +38,8 @@ typedef struct cselib_val_struct GTY(())
   /* 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.  */
@@ -60,11 +62,11 @@ struct elt_list GTY(())
   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 rtx cselib_subst_to_values      PARAMS ((rtx));
+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);