except.c and expr.c warning reductions

[Jeffrey A Law]

  In message < 19980210001057.27203@dgii.com >you write:
  > It doesn't get the count down to zero, but the ones that are left
  > may be "real".
Yup -- and at least we can see those that may indicate real bugs
now!  Yippie!

  > Tue Feb 10 00:05:56 1998  Robert Lipe   <robertl@dgii.com>
  > 
  > 	* except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
  > 	(expand_eh_region_start_tree): Remove unused variable 'note'.
  > 	(exception_optimize): Remove unused variable 'regions'.
  > 	(expand_builtin_eh_stub):  Remove unused variable 'temp'.
  > 	(copy_eh_entry): Deleted.   Dead function.
  > 
  >         * expr.c (move_block_to_reg) Bracket declaration of 'pat' and 
  > 	'last' with same #if HAVE_load_multiple as use of it.
  > 	(move_block_from_reg): Likewise.
  > 	(emit_move_insn_1): Remove unused variable 'insns'.
  > 	(store_constructor): Bracket declaration of startb, endb with 
  > 	#if TARGET_MEMFUNCTIONS.  Remove unused variables 'set_word_size' 
  > 	'target', and 'xtarget'.
  > 	(expand_builtin_setjmp): Remove unused variables 'op0', 
  > 	'next_arg_reg', 'old_inhibit_defer_pop'.
  > 	(expand_builtin): Remove unused variable 'offset'. 
  > 	(do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
  > 	(emit_queue): Add parens for assignment used as conditional.
  > 	(expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
Installed.  You introduced one spacing/formatting problem which I
fixed :-)

Thanks!
jeff