PR objc/21641

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

diff --git a/gcc/cselib.h b/gcc/cselib.h
index 3dea471..a6ff9e4 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, 2003, 2004 Free Software Foundation, Inc.
+   1999, 2003, 2004, 2005 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
@@ -49,7 +49,6 @@ struct elt_loc_list GTY(())
   struct elt_loc_list *next;
   /* An rtl expression that holds the value.  */
   rtx loc;
-  rtx canon_loc;
   /* The insn that made the equivalence.  */
   rtx setting_insn;
   /* True when setting insn is inside libcall.  */
@@ -65,9 +64,11 @@ struct elt_list GTY(())
 
 extern cselib_val *cselib_lookup (rtx, enum machine_mode, int);
 extern void cselib_init (bool record_memory);
+extern void cselib_clear_table (void);
 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);