integrate.c (const_equiv): Delete decl, since it's never defined.

	* integrate.c (const_equiv): Delete decl, since it's never defined.
	(fold_out_const_cc0): Likewise.
	* loop.c (delete_insn_forces): Likewise.
	* final.c (alter_cond): Delete decl, since it's never defined.

From-SVN: r3209

gcc/final.c

@@ -103,7 +103,6 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 rtx peephole ();
 void output_asm_insn ();
 rtx alter_subreg ();
-static int alter_cond ();
 void output_asm_label ();
 static void output_operand ();
 void output_address ();

gcc/integrate.c

@@ -68,14 +68,10 @@ static void copy_decl_rtls ();
 static tree copy_decl_tree ();
 static tree copy_decl_list ();
 
-/* Return the constant equivalent of a given rtx, or 0 if none.  */
-static rtx const_equiv ();
-
 static void integrate_parm_decls ();
 static void integrate_decl_tree ();
 
 static void subst_constants ();
-static rtx fold_out_const_cc0 ();
 
 /* Zero if the current function (whose FUNCTION_DECL is FNDECL)
    is safe and reasonable to integrate into other functions.

gcc/loop.c

@@ -266,7 +266,6 @@ static void record_biv ();
 static void check_final_value ();
 static void record_giv ();
 static void update_giv_derive ();
-static void delete_insn_forces ();
 static int basic_induction_var ();
 static rtx simplify_giv_expr ();
 static int general_induction_var ();