2001-10-30  Daniel Berlin  <dan@cgsoftware.com>

	* bitmap.c (bitmap_element_free): Don't forget to update head->indx
	when we update head->current.

From-SVN: r46669

	* Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
	bitmap.h, builtin-types.def, builtins.c, builtins.def,
	c-aux-info.c, c-common.c, c-common.def, c-common.h,
	c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
	c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
	c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
	caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
	conditions.h, config.gcc, configure.frag, configure.in,
	conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
	cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
	dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
	doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
	dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
	emit-rtl.c, errors.c, errors.h, except.c, except.h,
	exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
	fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
	function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
	gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
	gencheck.c, gencodes.c, genconfig.c, genemit.c,
	genextract.c, genflags.c, gengenrtl.c, genmultilib,
	genopinit.c, genoutput.c, genpeep.c, genrecog.c,
	gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
	ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
	graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
	gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
	gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
	hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
	integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
	libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
	machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
	mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
	mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
	params.h, predict.c, predict.def, predict.h, prefix.c,
	prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
	read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
	regclass.c, regmove.c, regrename.c, regs.h, reload.c,
	reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
	rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
	sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
	sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
	ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
	stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
	tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
	tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
	unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
	unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
	xcoffout.h: replace "GNU CC" with "GCC".

From-SVN: r45105

	* alias.c: Fix comment formatting.
	* bitmap.c: Likewise.
	* builtins.c: Likewise.
	* calls.c: Likewise.
	* c-common.c: Likewise.
	* c-decl.c: Likewise.
	* c-dump.c: Likewise.
	* c-lex.c: Likewise.
	* collect2.c: Likewise.
	* combine.c: Likewise.
	* conflict.c: Likewise.
	* cppfiles.c: Likewise.
	* cppinit.c: Likewise.
	* cpplex.c: Likewise.
	* cpplib.c: Likewise.
	* cppmacro.c: Likewise.
	* cppspec.c: Likewise.
	* c-pragma.c: Likewise.
	* crtstuff.c: Likewise.
	* cse.c: Likewise.
	* cselib.c: Likewise.
	* c-semantics.c: Likewise.
	* c-typeck.c: Likewise.

From-SVN: r44547

        * bitmap.c: Comment some functions; fiddle whitespace.
        (bitmap_free): Don't export.
        (bitmap_element_allocate): Use memset.
        * bitmap.h (bitmap_free): Don't declare.

From-SVN: r43940

2001-07-10  Jan van Male  <jan.vanmale@fenk.wau.nl>
	* regmove.c (replace_in_call_usage): Fix warnings.
	* sched-deps.c (add_dependence): Fix warnings.
	* simplify-rtx.c (simplify_subreg): Likewise.
	Return NULL_RTX instead of NULL.

	* reg-stack.c (emit_swap_insn): Eliminate warnings.
	(subst_asm_stack_regs): Likewise.

	* combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
	warnings.

	* dwarf2out.c (output_call_frame_info): Declare i as int.
	(build_abbrev_table): Declare n_alloc as int.
	(dwarf2out_finish): Initialize die.
	* except.c: Declare sjlj_funcdef_number as unsigned.
	(connect_post_landing_pads): Declare j as unsigned.
	(convert_to_eh_region_ranges): Initialize call_site.
	(output_function_exception_table): Initialize tt_format_size.
	* expr.c (move_by_pieces_1): Initialize to1.
	(store_constructor): Initialize minelt and maxelt.
	* flow.c (mark_regs_live_at_end): Declare i as unsigned.
	* function.c (instantiate_decls): Avoid signed/unsigned warning.

	* c-decl.c (combine_parm_decls): Unused, remove.
	* c-tree.h: Remove prototype for combine_parm_decls.

	* reload.c (push_reload): Fix warning.
	(regno_clobbered_p): Likewise.
	* reload1.c (replace_pseudos_in_call_usage): Likewise.
	(reload_combine): Likewise.

	* bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
	* bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
	warnings.
	* bitmap.c (bitmap_operation): Change user.
	* bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
For cp/:
2001-07-10  Jan van Male  <jan.vanmale@fenk.wau.nl>

	* call.c (build_op_delete_call): Initialize fn.
	(convert_like_real): Delete conditional.
	(joust): Initialize *w and *l.
	* class.c: Add prototype for binfo_ctor_vtable.
	(get_primary_binfo): Initialize result.
	* init.c (build_java_class_ref): Initialize name.

	* typeck.c (unary_complex_lvalue): Do not duplicate the
	argument to modify, pre-, or post-increment when used as an
	lvalue and when the argument has side-effects.

For ch/:
2001-07-10  Jan van Male  <jan.vanmale@fenk.wau.nl>

	* ch-tree.h: Remove prototype for combine_parm_decls, unused
	function.

From-SVN: r43893

        * bitmap.c (bitmap_release_memory): Move adjacent to the
        allocation functions.
        (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
        the implementation.  Binary search for the set bit.
        (bitmap_union_of_diff): Allocate the temporary on the stack
        instead of using xmalloc.

From-SVN: r43822

	* bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.

	* bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
	function.

From-SVN: r43760

2001-06-25   Dale Johannesen    <dalej@apple.com>

        * bitmap.c (bitmap_last_bit_set): Fix a non-c89 usage (null actual
        argument to macro).

From-SVN: r43554

2001-06-16  Daniel Berlin  <dan@cgsoftware.com>

	* bitmap.h: Add dump_bitmap, bitmap_zero, bitmap_union_of_diffs,
	bitmap_a_or_b, bitmap_a_and_b, bitmap_first_set_bit,
	bitmap_last_set_bit. All for compatibility with sbitmap's.

	*bitmap.c (bitmap_zero): New function.
	(bitmap_union_of_diffs): New function.
	(bitmap_first_set_bit): New function.
	(bitmap_last_set_bit): New function.

From-SVN: r43420

	* bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
	* c-common.c: Likewise.
	* c-decl.c: Likewise.
	* combine.c: Likewise.
	* rs6000.c: Likewise.
	* except.c: Likewise.
	* explow.c: Likewise.
	* expr.c: Likewise.
	* fold-const.c: Likewise.
	* function.c: Likewise.
	* gcc.c: Likewise.
	* gcse.c: Likewise.
	* integrate.c: Likewise.
	* loop.c: Likewise.
	* objc/objc-act.c: Likewise.
	* recog.c: Likewise.
	* reg-stack.c: Likewise.
	* reload.c: Likewise.
	* reload1.c: Likewise.
	* simplify-rtx.c: Likewise.
	* stmt.c: Likewise.
	* varasm.c: Likewise.

From-SVN: r41722

	* bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
	with %p.
	* ggc-page.c (debug_print_page_list, alloc_page, free_page,
	ggc_alloc): Likewise.
	* bb-reorder.c (dump_scope_forest_1): Likewise.

From-SVN: r35201

	* cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
	* reload.c (find_equiv_reg): Likewise.
	* alias.c (init_alias_analysis): Likewise.
	Only call prologue_epilogue_contains on insns.
	* basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
	* bb-reorder.c (hard-reg-set.h): Include earlier.
	* haifa-sched.c (hard-reg-set.h): Likewise.
	* ifcvt.c (hard-reg-set.h): Likewise.
	* local-alloc.c (hard-reg-set.h): Likewise.
	* loop.c (hard-reg-set.h): Likewise.
	* predict.c (hard-reg-set.h): Likewise.
	* regrename.c (hard-reg-set.h): Likewise.
	* flow.c (hard-reg-set.h): Likewise.
	(reg_set_to_hard_reg_set): New function.
	* bitmap.c (regs.h, basic-block.h): No longer include.
	(bitmap.h): Now include.
	* conflict.c (hard-reg-set.h): Include.
	* profile.c (hard-reg-set.h): Likewise.
	* print-rtl.c (hard-reg-set.h): Likewise.
	* sbitmap.c (hard-reg-set.h): Likewise.
	* toplev.c (hard-reg-set.h): Likewise.
	* unroll.c (hard-reg-set.h, basic-block.h): Likewise.
	* hard-reg-set.h (reg_names): Now constant.
	* regs.h (reg_names): Likewise.
	* regclass.c (reg_names): Likewise.
	* loop.h (basic-block.h): No longer include.
	(bitmap.h): Now include.
	* reload1.c (order_regs_for_reload): Avoid loop over reg sets.
	* Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
	(toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.

From-SVN: r34039

	* bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
	* cppinit.c (new_pending_define): Add cast to avoid warning.
	* expmed.c (extract_bit_field): Likewise.
	* flow.c (enum reorder_skip_type): New type.
	(skip_insns_between_blcok): New it.
	Rework to avoid warning about possibly undefined variable.
	* function.c (assign_parms): Make thisparm_boundary unsigned.
	* genrecog.c (write_switch): Cast XWINT result to int.
	* lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
	* mips-tfile.c (init_file): Make two versions of FDR intializer:
	one for MIPS and one for Alpha.
	(get_tag, copy_object): Add casts to avoid warnings.
	* optabs.c (init_one_libfunc): Cast NAME to (char *).
	* reload.c (find_reloads): Make TYPE enum reload_type.
	* sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
	* unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
	* varasm.c (compare_constant_1): Add cast to avoid warning.
	* config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
	to (char *).
	(alpha_expand_unaligned_load, alpha_expand_unaligned_store):
 	Cast switch operand of size to int.
	(alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
	* config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
	in unhandled case.

From-SVN: r32060

From-SVN: r32038

	* alias.c: PROTO -> PARAMS.
	* basic-block.h: Likewise.
	* bitmap.c: Likewise.
	* bitmap.h: Likewise.
	* builtins.c: Likewise.
	* c-aux-info.c: Likewise.
	* caller-save.c: Likewise.
	* calls.c: Likewise.

From-SVN: r31338

        * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
        * bitmap.c (bitmap_operation): Return true iff TO changed.
        (bitmap_equal_p): New.
        (bitmap_bit_p): Tidy arithmetic.
        (debug_bitmap_file): Likewise.

From-SVN: r29808

From-SVN: r29785

        * alias.c (nonlocal_reference_p): Add static prototype.

        * bitmap.c (bitmap_element_allocate): Prototype args in function
        pointer cast.

        * builtins.c (stabilize_va_list): Add static prototype.
        (expand_builtin_va_arg): Constify a char*.

        * c-lex.c (getch, put_back, extend_token_buffer_to,
        read_line_number, token_getch, token_put_back): Add static
        prototypes.

        * c-parse.gperf (hash, is_reserved_word): Likewise.

        * cccp.c (is_dir_separator): Likewise.

From-SVN: r29782

        * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
        Callers and prototype changed.
        * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.

From-SVN: r29518

From-SVN: r29150

        * bitmap.c (bitmap_print): Qualify a char* with the `const' keyword.
        * bitmap.h (bitmap_print): Likewise.
        * c-decl.c (builtin_function, grokdeclarator, grokfield): Likewise.
        * c-lang.c (build_objc_string): Likewise.
        * c-lex.c (yyerror, extend_token_buffer): Likewise.  Don't include
        limits.h or ctype.h.  Remove unused variable `p'.
        * c-lex.h (yyerror): Qualify a char* with the `const' keyword.
        * c-pragma.c (handle_pragma_token): Likewise.
        * c-pragma.h (handle_pragma_token): Likewise.
        * c-tree.h (build_objc_string, builtin_function, grokfield,
        build_indirect_ref, lvalue_or_else, readonly_warning, error_init,
        pedwarn_init): Likewise.
        * c-typeck.c (convert_for_assignment, warn_for_assignment,
        push_string, warning_init, incomplete_type_error,
        build_indirect_ref, lvalue_or_else, readonly_warning,
        build_c_cast, spelling, push_member_name, print_spelling,
        error_init, pedwarn_init, start_init): Likewise.
        * objc/objc-act.c (build_objc_string): Likewise.
        * print-tree.c (print_node_brief, print_node): Likewise.
        * tree.h (lvalue_or_else, print_node, print_node_brief): Likewise.

From-SVN: r25296

bitmap.c (bitmap_element_allocate): Use "void" for arglist instead of an empty arglist in prototype.

        * bitmap.c (bitmap_element_allocate): Use "void" for arglist instead
        of an empty arglist in prototype.

From-SVN: r19044

        * Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
        c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
        caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
        dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
        expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
        integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
        prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
        reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
        rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
        tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
        on system.h.
        * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
        c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
        caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
        dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
        expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
        integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
        prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
        reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
        rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
        stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
        xcoffout.c: Include system.h.  Organize include ordering so
        that stdarg/varargs comes before other system headers.  Remove
        spurious casts of functions assured of a prototype in system.h.

From-SVN: r18726

In gcc/:
	* bitmap.c (bitmap_element_allocate): Remove unused parameter;
	change callers accordingly.
	* cplus-dem.c (arm_special): Remove unused parameter work in prototype
	and definition; change all callers accordingly.
	* except.c (init_eh): Avoid assignment of unused return value of
	build_pointer_type; cast it to void, instead, and remove unused
	variable type.
	* gcc.c (lang_specific_driver): Define prototype only #ifdef
	LANG_SPECIFIC_DRIVER.
	(temp_names): Define only #ifdef MKTEMP_EACH_FILE.
	* genoutput.c (output_epilogue): Initialize next_name to 0.
	* real.c (efrexp): #if 0 prototype and function definition.
	(eremain): Likewise.
	(uditoe): Likewise.
	(ditoe): Likewise.
	(etoudi): Likewise.
	(etodi): Likewise.
	(esqrt): Likewise.
	* reload.c (push_secondary_reload): Define prototype only
	#ifdef HAVE_SECONDARY_RELOADS.
	* varasm.c (assemble_static_space): Define rounded only
	#ifndef ASM_OUTPUT_ALIGNED_LOCAL.
In gcc/cp/:
	* call.c (default_parm_conversions): Remove prototype definition.
	(build_method_call): Remove unused variable result.
	* cvt.c (ocp_convert): Remove unused variable conversion.
	* decl2.c (ambiguous_decl): Add explicit parameter definition for name.
	* except.c (do_unwind): #if 0 definition of unused variables fcall
	and next_pc.
	* expr.c (extract_scalar_init): #if 0 prototype and function definition.
	* init.c (expand_aggr_init_1): Remove unused variable init_type.
	(build_new_1): Remove unused variable t.
	* pt.c (instantiate_class_template): Remove unused variable newtag;
	cast called function return value to void.
	(do_decl_instantiation): Remove unused variables name and fn.
	* tree.c (get_type_decl): Add default return to shut up compiler from
	complaining control reaches end of non-void function.
	* typeck.c (build_x_conditional_expr): Remove unused variable rval.

From-SVN: r18498

        * varasm.c (output_constant_pool): Bring back 'done' label inside
        an appropriate #ifdef.
        * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
        appropriate #ifdef.
        (bitmap_copy, bitmap_operation): Likewise.
        * combine.c (combinable_i3pat): Similarly for 'src'.
        * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
        (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
        * regclass.c (copy_cost): Similarly for 'secondary_class'.
        * reload.c (make_memloc): Simliarly for 'i'.
        (find_reloads_address_1): Similarly for 'link'.
        * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
        (emit_reload_insns): Similarly for 'second_reloadreg'.
        * unroll.c (iteration_info): Similarly for 'v'.
        * caller-save.c (insert_save_restore): Remove unused variable 'i'.
        * calls.c (expand_call): Similarly for 'i'.
        (emit_library_call, emit_library_call_value): Similarly for 'mode'.
        * fold-const.c (strip_compund_expr): Similarly for 'type'.
        * function.c (fixup_var_refs_1): Similarly  for 'width'.
        (fixup_memory_subreg): Similarly for 'saved'.
        (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
        (setjmp_protect): Similarly for 'sub'.
        (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
        * loop.c (record_giv): Similarly for 'p'.
        (combine_givs): Similarly for 'temp_iv'.
        (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
        * recog.c (validate_replace_rtx_1): Similarly for 'width'.
        * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
        * unroll.c (unroll_loop): Similarly for 'copy'.
        (iteration_info): Similarly for 'b'.
        * varasm.c (assemble_string): Similarly for 'i'.
        * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.

From-SVN: r17973

	* bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
	not a HOST_WIDE_INT.
	* calls.c (expand_call): Change test of expand_inline_function
	return value to stop compiler warning.
	* genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.

From-SVN: r17777

        * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
        of the declaration.
        * c-decl.c (finish_decl): Use parentheses around && within ||.
        * rtl.c: Include stdlib.h.
        (read_skip_spaces): Add parentheses around assignments used as
        truth values.
        (read_rtx): Initialize list_rtx.
        * cppexp.c (parse_number): Use || when operands are truth values.
        * alias.c (find_base_value): Add default case.
        (memrefs_conflict): Likewise.
        * combine.c (sets_function_arg_p): Likewise.
        * genemit.c (gen_exp): Likewise.
        * local-alloc.c (contains_replace_regs): Likewise.
        * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
        * fold-const.c (fold_convert): Use "&&" for truth values.
        (fold): Add default case.
        * sdbout.c (sdbout_field_types): Fix typo in declaration.
        (sdbout_one_type): Add default case.
        * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
        (some_operand): Add default case.
        (input_operand): Likewise.
        (signed_comparison_operator): Likewise.
        (divmod_operator): Likewise.
        (alpha_set_memflags_1): Likewise.
        * reload1.c (reload_cse_simplify_operands): Ensure function
        always returns a value.
        * scan-decls.c (scan_decls): Likewise.
        * c-lex.c (skip_white_space): Fix typo in declaraion.
        * c-typeck.c (comp_target_types): Add parentheses around assignment
        used as truth value.
        (print_spelling): Likewise.
        (constructor_implicit, constructor_result): Remove unused variables.
        * collect2.c (scan_library): Protect prototype with
        #ifdef SCAN_LIBRARIES.
        * emit-rtl.c (find_line_note): Fix typo in declaration.
        * final.c (asm_insn_count): Protect prototype with
        #ifdef HAVE_ATTR_length.
        * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
        (try_pre_increment_1, try_pre_increment): Likewise.
        * regclass.c (auto_inc_dec_reg_p): Protect prototype with
        #ifdef FORBIDDEN_INC_DEC_CLASSES.  Make return type explicit.
        * gcov-io.h (__store_long, __write_long, __read_long): Fix
        unsigned/signed comparisons.
        * gcov.c (read_files): Remove unused "first_type" variable.
        (scan _for_source_files): Initialize s_ptr.
        (function_summary): Eliminate "%lf" formatting, use %ld for
        longs.
        (output_data): Initialize branch_probs and last_line_num.
        Eliminate "%lf" formatting, use "%ld" for longs.

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

From-SVN: r17158

From-SVN: r16278

From-SVN: r15078

From-SVN: r15071

From-SVN: r14525

From-SVN: r14420