Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.

        * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
        * cplus-dem.c: Delete.
        * Makefile.in (fold-const.o): depend on $(RTL_H).
        * fold-const.c: Include rtl.h to get the prototype for
        `set_identifier_local_value'.
        * loop.c (express_from_1): Remove unused variable `tmp'.
        (combine_givs): cast the first argument of bzero to char *.
        * toplev.c (display_help): Remove unused variable `looking_for_start'.

Co-Authored-By: Jeffrey A Law <law@cygnus.com>

From-SVN: r21785

gcc/ChangeLog

@@ -12,6 +12,7 @@ Mon Aug 17 10:06:11 1998  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 			  Jeff Law <law@cygnus.com>
 
 	* Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
+	* cplus-dem.c: Delete.
 
 	* Makefile.in (fold-const.o): depend on $(RTL_H).
 

gcc/Makefile.in

@@ -1300,7 +1300,7 @@ collect2.o : collect2.c $(CONFIG_H) system.h gansidecl.h gstab.h obstack.h \
 
 tlink.o: tlink.c $(DEMANGLE_H) hash.h $(CONFIG_H) system.h toplev.h
 hash.o: hash.c hash.h system.h toplev.h
-cplus-dem.o: cplus-dem.c $(DEMANGLE_H)
+cplus-dem.o: $(srcdir)/../libiberty/cplus-dem.c $(DEMANGLE_H)
 
 underscore.c: s-under ; @true
 
@@ -1367,7 +1367,8 @@ tree.o : tree.c $(CONFIG_H) system.h $(TREE_H) flags.h function.h toplev.h excep
 print-tree.o : print-tree.c $(CONFIG_H) system.h $(TREE_H)
 stor-layout.o : stor-layout.c $(CONFIG_H) system.h $(TREE_H) flags.h \
    function.h $(EXPR_H) $(RTL_H) toplev.h except.h
-fold-const.o : fold-const.c $(CONFIG_H) system.h $(TREE_H) flags.h toplev.h
+fold-const.o : fold-const.c $(CONFIG_H) system.h $(TREE_H) flags.h toplev.h \
+   $(RTL_H)
 toplev.o : toplev.c $(CONFIG_H) system.h $(TREE_H) $(RTL_H) \
    flags.h input.h insn-attr.h xcoffout.h defaults.h output.h \
    insn-codes.h insn-config.h $(RECOG_H) Makefile toplev.h dwarfout.h \

gcc/fold-const.c

@@ -47,6 +47,7 @@ Boston, MA 02111-1307, USA.  */
 #include <setjmp.h>
 #include "flags.h"
 #include "tree.h"
+#include "rtl.h"
 #include "toplev.h"
 
 /* Handle floating overflow for `const_binop'.  */

gcc/loop.c

@@ -6053,7 +6053,7 @@ express_from_1 (a, b, mult)
 
   if (GET_CODE (a) == PLUS)
     {
-      rtx ra, oa, tmp;
+      rtx ra, oa;
 
       ra = XEXP (a, 0), oa = XEXP (a, 1);
       if (rtx_equal_p (oa, b))
@@ -6251,10 +6251,10 @@ combine_givs (bl)
       giv_array[i++] = g1;
 
   stats = (struct combine_givs_stats *) alloca (giv_count * sizeof (*stats));
-  bzero (stats, giv_count * sizeof (*stats));
+  bzero ((char *) stats, giv_count * sizeof (*stats));
 
   can_combine = (rtx *) alloca (giv_count * giv_count * sizeof(rtx));
-  bzero (can_combine, giv_count * giv_count * sizeof(rtx));
+  bzero ((char *) can_combine, giv_count * giv_count * sizeof(rtx));
 
   for (i = 0; i < giv_count; i++)
     {

gcc/toplev.c

@@ -4021,8 +4021,6 @@ display_help ()
   
   if (NUM_ELEM (documented_lang_options) > 1)
     {
-      int       looking_for_start = 0;
-      
       printf ("\nLanguage specific options:\n");
 
       for (i = 0; i < NUM_ELEM (documented_lang_options); i++)