From-SVN: r28869

loop.c (express_from): Try harder to unify (* c N) and (* c M) where N and M are constant and N is an...

        * loop.c (express_from): Try harder to unify (* c N) and (* c M)
        where N and M are constant and N is an integer multiple of M.

From-SVN: r28868

From-SVN: r28867

Wed Aug 25 13:55:47 EDT 1999  Andrew MacLeod  <amacleod@cygnus.com>

	* sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
	(sbitmap_intersection_of_preds, sbitmap_union_of_succs,
	sbitmap_union_of_preds): Add prototypes.
	* sbitmap.c (sbitmap_intersection_of_succs): New function to compute
	the intersection of successors with the new flow graph structures.
	(sbitmap_intersection_of_preds): New function to compute the
	intersection of predecessors with the new flow graph structures.
	(sbitmap_union_of_succs): New function to compute the union of
	successors with the new flow graph structures.
	(sbitmap_union_of_preds): New function to compute the union of
	predecessors with the new flow graph structures.
	* gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
	(expr_reaches_here_p): Use edge and basic_block structures instead
	of s_preds and s_succs.
	(compute_cprop_avinout): Use new sbitmap routines.
	(pre_expr_reaches_here_p): Use edge and basic_block structures instead
	of s_preds and s_succs.
	* flow.c (compute_flow_dominators): Compute dominators using
	edges and basic blocks instead of s_preds and s_succs.

From-SVN: r28866

	* libjava.lang/G19990310_01.out: New file.
	* libjava.lang/G19990310_01.java: New file.

From-SVN: r28865

Wed Aug 25 13:41:47 EDT 1999  Andrew MacLeod  <amacleod@cygnus.com>

	* lists.c (unused_insn_list, unused_expr_list): New file for
	maintaining various types of lists. New statics for maintaining a
	cache of available INSN_LIST and EXPR_LIST nodes.
	(free_list): Static function for freeing a list of INSN/EXPR nodes.
	(alloc_INSN_LIST): Function to get a free INSN_LIST node.
	(alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
	(init_EXPR_INSN_LIST_cache): Initialize the cache lists.
	(free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
	(free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
	(free_EXPR_LIST_node): Free an individual EXPR_LIST node.
	(free_INSN_LIST_node): Free an individual INSN_LIST node.
	* haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
	(free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
	(remove_dependence, free_pending_lists): Use new global routines.
	(flush_pending_lists, sched_analyze_insn): Use new global routines.
	(sched_analyze, compute_block_backward_dependences): Use new routines.
	(sched_analyze_1, sched_analyze_2): Use new routines.
	(schedule_insns): Use new global routines.
	* rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
	prototypes.
	(free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
	(free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
	prototypes.
	* toplev.c (rest_of_compilation): Initialize node cache.
	* Makefile.in (OBJS): Add lists.o to list of object files.
	(lists.o): Add dependancies.

From-SVN: r28864

From-SVN: r28863

	* gjavah.c (print_name, print_base_classname, utf8_cmp,
	cxx_keyword_subst, generate_access, name_is_method_p,
	get_field_name, print_field_name, super_class_name, print_include,
	decode_signature_piece, print_class_decls, usage, help,
	java_no_argument, version, add_namelet, print_namelet): Add static
	prototype.
	(print_base_classname, utf8_cmp, cxx_keyword_subst,
	name_is_method_p): Constify a char*.
	(get_field_name): Likewise.  Prefer xstrdup over malloc/strcpy.
	Provide a final else clause in an if-else-if.
	(print_field_info): Add missing final arg in function call to
	`print_field_name'.
	(print_method_info, decompile_method, decode_signature_piece,
	print_c_decl, print_full_cxx_name, print_stub,
	print_mangled_classname, super_class_name, print_include,
	add_namelet, add_class_decl, print_class_decls, process_file,
	help): Constify a char*.

	* jcf-write.c (jcf_handler, push_constant1, push_constant2,
	push_int_const, find_constant_wide, find_constant_index,
	push_long_const, field_op, maybe_wide, emit_dup, emit_pop,
	emit_iinc, emit_load_or_store, emit_load, emit_store, emit_unop,
	emit_binop, emit_reloc, emit_switch_reloc, emit_case_reloc,
	emit_if, emit_goto, emit_jsr, call_cleanups,
	make_class_file_name): Add static prototypes.
	(generate_bytecode_return, generate_bytecode_insns): Pass a
	NULL_PTR, not a NULL_TREE.

	* jv-scan.c: Include "jcf.h".
	(main): Declare using DEFUN macro.

	* jvspec.c (find_spec_file, lang_specific_pre_link,
	lang_specific_driver): Add prototypes.
	(find_spec_file): Constify a char*.

	* keyword.gperf (hash, java_keyword): Add prototypes.

	* lang.c (lang_print_error): Add static prototype.
	(lang_init): Prefer memcpy over bcopy to avoid casts.

	* lex.c (yylex): Add static prototype.

	* parse-scan.y: Include "lex.c" earlier.

	* parse.h: Remove redundant declaration for `yylex'.

	* parse.y (java_decl_equiv, binop_compound_p, search_loop,
	labeled_block_contains_loop_p): Add static prototypes.
	(not_accessible_p): Make static to match prototype.

	* verify.c (start_pc_cmp): Don't needlessly cast away const.

From-SVN: r28862

	* genattr.c (gen_attr): Add prototype arguments for get_attr_*().
	Remove unused prototype for `init_lengths'.

From-SVN: r28861

	* calls.c (emit_call_1): Mark parameter `stack_size' with
	ATTRIBUTE_UNUSED.
	(expand_call): Initialize variable `insn'.
	(emit_library_call): Likewise for variable `high_to_save'.
	(emit_library_call_value): Likewise.
	(store_one_arg): Likewise for variables `lower_bound' and
	`upper_bound'.

	* combine.c (try_combine): Likewise for variables `i2_code_number'
	and `other_code_number'.
	(find_split_point): Likewise for variables `pos', `unsignedp' and
	`inner'.
	(simplify_if_then_else): Likewise for variables `op' and `c1'.
	(simplify_and_const_int): Remove unused variable `width'.
	(merge_outer_ops): Likewise.

	* cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
	HOST_WIDE_INT' when comparing against one.
	(simplify_relational_operation): Likewise.
	(cse_insn): Initialize variables `src_eqv_volatile',
	`src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.

	* final.c (init_final): Constify parameter `filename'.
	(final_start_function): Mark parameter `optimize' with
	ATTRIBUTE_UNUSED.
	(profile_function): Likewise for parameters `first' and `optimize'.
	(output_source_line): Likewise for parameter `file'.

	* integrate.c (subst_constants): Cast a value to `size_t' when
	comparing against one.
	(mark_stores): Initialize variable `mode'.  Cast a value to
	`size_t' when comparing against one.

	* integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.

	* loop.c (move_movables): Initialize variable `first'.
	(strength_reduce): Likewise for variable `increment'.
	(check_dbra_loop): Likewise for variable `comparison_val'.  Cast a
	value to `size_t' when comparing against one.
	(load_mems): Initialize variable `end_label'.

	* output.h (init_final): Constify parameter.

	* reload.c (decompose): Initialize variable `base'.

	* reload1.c (reload): Likewise for variable `is_scalar'.
	(spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
	(choose_reload_regs): Initialize variable `mode'.
	(emit_reload_insns): Likewise for variable `store_insn'.
	(reload_cse_noop_set_p): Mark parameter `insn' with
	ATTRIBUTE_UNUSED.
	(reload_combine): Initialize variable `set'.

	* unroll.c (unroll_loop): Likewise for variable `local_label'.
	(copy_loop_body): Cast a value to `size_t' when comparing against
	one.

	* varasm.c (assemble_variable): Initialize variable `size_tree'.
	(const_hash): Add an `else abort()' in an if-else-if-else sequence.
	(remove_from_pending_weak_list): Mark parameter `name' with
	ATTRIBUTE_UNUSED.

From-SVN: r28860

	* cplus-dem.c (gnu_special): Cast a `size_t' to `long' when
	comparing against a signed quantity.
	(arm_special): Likewise.
	(demangle_fund_type): Likewise.
	(do_hpacc_template_const_value): Mark parameter `work' with
	ATTRIBUTE_UNUSED.
	(main): Constify variable `valid_symbols'.

From-SVN: r28859

From-SVN: r28858

From-SVN: r28857

* decl2.c (handle_class_head): Be graceful about additional
scope qualifiers. Adjust comments to reflect reality.

From-SVN: r28856

From-SVN: r28855

From-SVN: r28854

From-SVN: r28853

From-SVN: r28852

From-SVN: r28851

From-SVN: r28850

From-SVN: r28849

From-SVN: r28848

From-SVN: r28847

	* calls.c (emit_call_1): Use call_pop/call_value_pop for all values
	of n_popped when call/call_value are not defined.

From-SVN: r28846

From-SVN: r28845

        * tm.texi: GNU CC -> GCC conversion.
        (CC1_SPEC): Indicate it is used for all language front ends.

From-SVN: r28844

From-SVN: r28843

        * config-ml.in: Pass compiler flag corresponding to multidirs to
        subdir configures.

From-SVN: r28842

loop.c (strength_reduce): Automatically unroll loops if the unrolled loop size is smaller than the rolled...

        * loop.c (strength_reduce): Automatically unroll loops if the
        unrolled loop size is smaller than the rolled loop size.

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

From-SVN: r28841

	* flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
	NOTE_INSN_EH_REGION_END correctly.

From-SVN: r28840

loop.c (insert_bct): Replace use of sdiv_optab with asr_optab and delete comment that code should be...

        * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
        and delete comment that code should be rewritten.

From-SVN: r28839

        * haifa-sched.c (find_rgns): Mark a block found during the DFS search
        as reachable.

From-SVN: r28838

From-SVN: r28837

        * fixinc/mkfixinc.sh: Don't fix uwin headers.
        * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
        (LINK_SPEC): Add -u _main when building executables.
        (ASM_DECLARE_FUNCTION): Update from Cygwin.
        (ASM_FILE_END): Use the default for ix86-pe.
        * i386/xm-uwin.h (HAVE_BCOPY): Undefine.

From-SVN: r28836

        * gcse.c (find_avail_set): Follow chains of register-register copies.
        Use oprs_not_set_p to guarantee that the returned value can be
        substituted.
        (cprop_insn): Don't verify the return value of find_avail_set with
        oprs_not_set_p.

From-SVN: r28835

        * gcse.c (cprop_jump): New function, broken out of cprop_insn.
        (cprop_cc0_jump): New function.
        (cprop_insn): Break out new function cprop_jump and use it.
        Also use cprop_cc0_jump for machines with CC0.
        (cprop): Don't crash if cprop_insn turned the insn into a NOTE.

From-SVN: r28834

final.c (output_addr_const): Handle case where ASM_OPEN_PAREN and ASM_CLOSE_PAREN are empty strings.

        * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
        and ASM_CLOSE_PAREN are empty strings.

From-SVN: r28833

* Makefile.in (PREPROCESSOR_DEFINES): New macro.
(protoize.o):  Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
(unprotoize.o): Ditto.
(test-protoize-simple): Don't define STD_PROTO_DIR.
* protoize.c: Use PARAMS rather than PROTO.  Minor whitespace
changes to make 'test-protoize-simple' pass.
(STD_PROTO_DIR): Remove define.
(STANDARD_EXEC_PREFIX): Supply default define.
(standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
(target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
(target_version): New variable, init to DEFAULT_TARGET_VERSION.
(GET_ENV_PATH_LIST): New macro.
(default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
(do_processing): Initialize default_syscalls_dir using new
macros.  Use it to initialize syscalls_absolute_filename.

Co-Authored-By: Geoff Keating <geoffk@cygnus.com>

From-SVN: r28832

From-SVN: r28831

jump.c (jump_optimize_1): Do cmov opt on any single-set; force B into a register before emit_conditional_move.

        * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
        B into a register before emit_conditional_move.

From-SVN: r28830