pt.c (tsubst_friend_class): Don't call redeclare_class_template if the template we looked up is the same as...

	* pt.c (tsubst_friend_class): Don't call redeclare_class_template
	if the template we looked up is the same as the one we already
	have.

From-SVN: r19935

	* Makefile.in (TREE_H): Add tree-check.h.
	(tree-check.h, gencheck): New targets.
	* gencheck.c: New file.
	* tree.c (tree_check, tree_class_check): New functions.
	* tree.h (TREE_CHECK, TREE_CLASS_CHECK): Define.
	(TYPE_CHECK, DECL_CHECK): Define.
	Modify all access macros to use generated checking macros.

From-SVN: r19934

	* acconfig.h (HAVE_GAS_MAX_SKIP_P2ALIGN): New tag.
	* configure.in: Check for it.
	* i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Use it.
	* final.c (uid_align, uid_shuid, label_align): Make static.
	(label_align): Change type to struct label_alignment pointer.
	(LABEL_TO_ALIGNMENT, shorten_branches): Update due to type change.
	(LABEL_TO_MAX_SKIP): Define.
	(LABEL_ALIGN_MAX_SKIP, LOOP_ALIGN_MAX_SKIP,
	LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Provide defaults.
	(shorten_branches): Record the maximum bytes to skip when
	aligning a label.
	(final_scan_insn): Use the maximum bytes to skip when aligning a label
	if ASM_OUTPUT_MAX_SKIP_ALIGN is available.
	* i386.h (LOOP_ALIGN_MAX_SKIP,
	LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Define.
	* i386.c (override_options): i386_align_jumps and i386_align_loops
	default to 4 if ASM_OUTPUT_MAX_SKIP_ALIGN is available.
	* invoke.texi: Document new i386 align-loops and align-jumps behavior.

From-SVN: r19933

From-SVN: r19932

�
	* function.c (init_function_start):  Don't call emit_line_note if
	lineno is 0.  (Can happen when compiling Java .class files.)

From-SVN: r19931

8
	* function.c (init_function_start):  Don't call emit_line_note if
	lineno is 0.  (Can happen when compiling Java .class files.)

From-SVN: r19930

reload1.c (reload_reg_free_for_value_p): Fix RELOAD_FOR_INPUT end of lifetime and RELOAD_FOR_OUTPUT start of lifetime.

	* reload1.c (reload_reg_free_for_value_p): Fix RELOAD_FOR_INPUT
	end of lifetime and RELOAD_FOR_OUTPUT start of lifetime.

From-SVN: r19929

	* combine.c (nonzero_bits): For paradoxical subregs, take
	LOAD_EXTENDED_OP into account.

From-SVN: r19928

Thu May 21 11:54:44 1998  Dave Brolley  <brolley@cygnus.com>
	* lex.c: (handle_sysv_pragma): FILE* parameter not used.
	(cpp_reader,parse_in): Add for cpplib.
	(check_newline): Call handle_sysv_pragma with new interface.
	(check_newline): Call GET_DIRECTIVE_LINE, not get_directive_line.
	* input.c: (yy_cur,yy_lim,yy_get_token,GETC): Add for cpplib.
	(sub_getch): Call GETC for cpplib.
	* cp-tree.h: (get_directive_line): Different prototype for cpplib.
	(GET_DIRECTIVE_LINE): Macro wrapper for get_directive_line.
	* Makefile.in (CXX_OBJS): add @extra_cxx_objs@ for cpplib.

From-SVN: r19927

Thu May 21 11:51:15 1998  Dave Brolley  <brolley@cygnus.com>
	* configure.in (extra_c_objs): add prefix.o.
	(extra_cxx_objs): extra objects for C++ with cpplib.
	* configure: Regenerate.
	* c-tree.h: (get_directive_line): Different prototype for cpplib.
	(GET_DIRECTIVE_LINE): Macro wrapper for get_directive_line.
	* c-lex.h: (get_directive_line): Not needed here for cpplib.
	* c-lex.c: (yy_cur,yy_lim,yy_get_token): Move to c-common.c.
	(GET_DIRECTIVE_LINE): Move to c-common.c and rename to get_directive_line.
	* c-common.c (parse_in,parse_options,cpp_token): Declare for cpplib.
	(yy_cur,yy_lim,yy_get_token,get_directive,line): Moved here from c-lex.c

From-SVN: r19926

�
	* configure.in: Check for unistd.h as well.
	* configure: Rebuild.
	* config.in: Rebuild.
	* getpagesize.c (GNU_OUR_PAGESIZE): Use sysconf only if _SC_PAGESIZE
	is defined in unistd.h. Reformat conditional block for easier reading.
	* config.table (shared): Default to no if ${enable_shared}
	is unset or empty; this logic is used by the toplevel
	configure scripts, too.

From-SVN: r19925

0
	* configure.in: Check for unistd.h as well.
	* configure: Rebuild.
	* config.in: Rebuild.
	* getpagesize.c (GNU_OUR_PAGESIZE): Use sysconf only if _SC_PAGESIZE
	is defined in unistd.h. Reformat conditional block for easier reading.
	* config.table (shared): Default to no if ${enable_shared}
	is unset or empty; this logic is used by the toplevel
	configure scripts, too.

From-SVN: r19924

�
	* configure.in: Check for unistd.h as well.
	* configure: Rebuild.
	* config.in: Rebuild.
	* getpagesize.c (GNU_OUR_PAGESIZE): Use sysconf only if _SC_PAGESIZE
	is defined in unistd.h. Reformat conditional block for easier reading.
	* config.table (shared): Default to no if ${enable_shared}
	is unset or empty; this logic is used by the toplevel
	configure scripts, too.

From-SVN: r19923

ANSI does not allow a prototype to specify an item smaller than an int if the function uses an old-style definition.

ANSI does not allow a prototype to specify an item smaller than an int
if the function uses an old-style definition.  This only worked as a
GNUC extension, so stop doing it.
       * gengenrtl.c (type_from_format, accessor_from_format): Change
       type of parameter `c' from `char' to `int'.

From-SVN: r19922

	* decl2.c (maybe_make_one_only): New fn.
	(import_export_vtable): Use it.
	(import_export_decl): Likewise.
	* pt.c (mark_decl_instantiated): Likewise.

From-SVN: r19921

	* decl2.c (find_representative_member): Rename to ...
	(build_anon_union_vars): New function.
	(finish_anon_union): Fix stupidity of previous change.

From-SVN: r19920

	* decl.c (grokfndecl): Handle definition of specialization in
	friend declaration.
	* error.c (dump_decl): Fix LOOKUP_EXPR handling.

From-SVN: r19919

	* class.c (delete_duplicate_fields_1): Use DECL_DECLARES_TYPE_P
	to look for type declarations.
	(finish_struct): Deal with templates on the CLASSTYPE_TAGS list.
	* cp-tree.h (DECL_DECLARES_TYPE_P): New macro.
	(finish_member_class_template): Declare.
	* decl.c (pushtag): Put member class templates on the
	CLASSTYPE_TAGS list, just as for ordinary member classes.
	(pushdecl_class_level): Use DECL_DECLARES_TYPE_P.
	(lookup_tag): Look for IDENTIFIER_CLASS_VALUEs, just as with
	IDENTIFIER_NAMESPACE_VALUEs.
	* parse.y (component_decl): Move code to ...
	* semantics.c (finish_member_class_template): New function.
	Don't put member class templates on the list of components for a
	class.
	* pt.c (classtype_mangled_name): Don't try DECL_CONTEXT on types.
	In fact, don't use DECL_CONTEXT at all here.

From-SVN: r19918

        * warn_summary, test_summary: New scripts from
        Kaveh Ghazi and Alexandre Oliva respectively.

From-SVN: r19917

From-SVN: r19916

        * gcse.c (current_function_calls_longjmp): Declare.
For sco5.

From-SVN: r19915

	* decl.c (record_unknown_type): New function.
	(init_decl_processing): Call it for the unknown and global type
	nodes.

From-SVN: r19912

From-SVN: r19911

	* decl2.c (find_representative_member): New function.
	(finish_anon_union): Use it.

From-SVN: r19910

        * gcc.dg/{980502-1.c, clobbers.c}: New tests.
        * gcc.c-torture/compile/{980504-1.c, 980506-1.c}: Likewise.
        * gcc.c-torture/compile/{980506-2.c, 980611-1.c}: Likewise.
        * gcc.c-torture/execute/{980505-1.c, 980505-2.c, 980506-1.c}: Likewise.
        * gcc.c-torture/execute/{980506-2.c, 980506-3.c}: Likewise.
Missing ChangeLog entry.

From-SVN: r19909

From-SVN: r19908

	* cp-tree.h (MAIN_NAME_P): New macro.
	(DECL_MAIN_P): Likwise.
	* decl.c (pushdecl): Avoid crashing on redefinitions of `main'.
	(grokfndecl): Use the new macros.
	(grokdeclarator): Likewise.
	(start_function): Likewise.
	(store_parm_decls): Likewise.
	(finsh_function): Likewise.
	* friend.c (do_friend): Likewise.
	* typeck.c (build_function_call_real): Likewise.
	(build_unary_op): Likewise.

From-SVN: r19907

1998-05-20  Dave Love  <d.love@dl.ac.uk>
* g77.f-torture/execute/980520-1.f: New test.

From-SVN: r19906

From-SVN: r19905

	* decl2.c (start_objects, finish_objects, do_dtors,
	do_ctors): Split out from...
	(finish_file): ...here.

From-SVN: r19904

From-SVN: r19903

From-SVN: r19902

        * Makefile.in (OBJS): Add gcse.o
        (STAGESTUFF): Add *.gcse.
        (gcse.o): Add dependencies.
        (mostlyclean): Remove *.gcse and */*.gcse.
        * gcse.c: New file.
        * loop.c (loop_optimize): Move call to init_alias_analysis.
        * recog.c (validate_replace_src): New function.
        * toplev.c (gcse_dump): New global variable.
        (flag_gcse, gcse_time): Likewise.
        (compile_file): Initialize gcse_time and clean out the gcse dump
        file if necessary.
        (rest_of_compilation): Call gcse_main as requested.  Dump RTL
        after gcse if requested.
        (main): Enable gcse for -O2 and above.  Handle -dG.  Enable gcse
        dumps for -da.
        * gcc.texi: Add gcse related internal documentation.
        * invoke.texi: Note new command line options for gcse.
        * tm.texi: Document AVOID_CCMODE_COPIES.
        * mips.h (AVOID_CCMODE_COPIES): Define.

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

From-SVN: r19901

From-SVN: r19900

        * Makefile.in (deduced.h): Only run scan-types if $(SYSTEM_HEADER_DIR)
        exists.
        (stmp-fixproto): Simlarly for running fixproto.
        * cross-make (SYSTEM_HEADER_DIR): Now $(tooldir)/sys-include.

From-SVN: r19899

        * Makefile.in (deduced.h): Only run scan-types if $(SYSTEM_HEADER_DIR)
        exists.
        * cross-make (SYSTEM_HEADER_DIR): Now $(tooldir)/sys-include.
Bring over from Cygnus sources.

From-SVN: r19898

	* tree.c (is_overloaded_fn): Don't abort on placeholders from
	push_class_decls.

From-SVN: r19888

	* config/mips/mips.c (double_memory_operand): Accept any MEM during
	reload when TARGET_64BIT.

From-SVN: r19887

	* configure.in (*-*-linux-gnu*): Delete NO_STAB_H from xm_defines.
	(powerpcle-*-cygwin32): Delete xm_defines.
	* final.c, mips-tfile.c, xcoffout.c, config/mips/mips.c: Use
	HAVE_STAB_H instead of NO_STAB_H.
	* config/xm-linux.h (NO_STAB_H): Delete.
	(HAVE_STAB_H): Undefine.
	* config/i386/xm-go32.h (NO_STAB_H): Delete.

From-SVN: r19886

	* class.c (is_empty_class): Return 0 if TYPE is an error_mark_node.
	* error.c (dump_expr): Handle an ARROW_EXPR.

From-SVN: r19885