Fix more warnings...

        * c-lang.c (finish_file): Wrap variable `void_list_node' with macro
        test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
        * calls.c (emit_call_1): Wrap variable `already_popped' with macro
        test !ACCUMULATE_OUTGOING_ARGS.
        * collect2.c (write_c_file_glob): Wrap function definition in
        macro test !LD_INIT_SWITCH.
        * combine.c (try_combine): Wrap variables `cc_use' and
        `compare_mode' in macro test EXTRA_CC_MODES.
        * cpplib.c (do_ident): Remove unused variable `len'.
        (skip_if_group): Remove unused variables `at_beg_of_line' and
        `after_ident'.
        (cpp_get_token): Remove unused variable `dummy'.
        * dbxout.c (scope_labelno): Move static variable definition inside
        the one function scope where it is used.
        (dbxout_function_end): Wrap prototype and definition in
        macro test !NO_DBX_FUNCTION_END.
        * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
        in macro test !MIPS_DEBUGGING_INFO.
        * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
        into the scope where it is used.  Wrap empty else-statement body
        in braces.
        * fix-header.c: Fix typo in comment.
        (inf_skip_spaces): Cast results of INF_UNGET to (void).
        (check_protection, main): Likewise.
        * flow.c (find_basic_blocks_1): Remove dangling comment text.
        * function.c (contains): Wrap prototype and definition in macro
        test HAVE_prologue || HAVE_epilogue.
        (fixup_var_refs_1): Remove unused variable `width'.
        * gen-protos.c (main): Remove unused variable `optr'.
        * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
        * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
        (__sjpopnthrow): Remove unused variable `jmpbuf'.
        (__throw): Remove unused variable `val'.
        * protoize.c: Check for a previously existing definition before
        defining *_OK macros.
        * scan-decls.c (scan_decls): Remove unused variable `old_written'.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@18654 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 3 insertions, 3 deletions

diff --git a/gcc/libgcc2.c b/gcc/libgcc2.c
index f1032a58239..6ccc1187f0a 100644
--- a/gcc/libgcc2.c
+++ b/gcc/libgcc2.c
@@ -392,7 +392,9 @@ __udiv_w_sdiv (USItype *rp, USItype a1, USItype a0, USItype d)
 /* If sdiv_qrnnd doesn't exist, define dummy __udiv_w_sdiv.  */
 USItype
 __udiv_w_sdiv (USItype *rp, USItype a1, USItype a0, USItype d)
-{}
+{
+  return 0;
+}
 #endif
 #endif
 
@@ -3291,7 +3293,6 @@ __sjpopnthrow ()
 {
   struct eh_context *eh = (*get_eh_context) ();
   void ***dhc = &eh->dynamic_handler_chain;
-  void *jmpbuf;
   void (*func)(void *, int);
   void *arg;
   void ***cleanup;
@@ -3598,7 +3599,6 @@ label:
   else
     {
       int i;
-      void *val;
 
       /* Unwind all the frames between this one and the handler by copying
 	 their saved register values into our register save slots.  */