2000-09-25  Branko Cibej  <branko.cibej@hermes.si>

        * flags.h:  Declare warning flag warn_system_headers.
        * toplev.c:  Define it.
        (W_options): Add option -Wsystem-headers.
        * diagnostic.c (count_error): Test warn_system_headers.
        * invoke.texi:  Add description for -Wsystem-headers.
	* cpplib.h (cpp_options): New member warn_system_headers.
	* cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
	CPP_IN_SYSTEM_HEADER.
	* cpplib.c (do_import, do_pragma_once): Likewise.
	* cpperror.c (_cpp_begin_message): Test warn_system_headers
	and CPP_IN_SYSTEM_HEADER.
	* cppinit.c (handle_option): Recognize -Wsystem_headers.
	(print_help): Describe -Wsystem_headers.
	* cpplex.c (lex_line): Reorganize condition so that warnings
	about C++ comments in system headers can be enabled. Remove
	label do_line_comment.

From-SVN: r36636

	* cpplex.c (save_comment): Only store the initial '/'
	now.
	(lex_token): Combine handling of the two comment types.
	Pass everything but the initial '/' to save_comment.

From-SVN: r36635

	* cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
	_cpp_can_paste): New library-internal prototypes.
	* cpplex.c (dump_param_spelling, output_line_command,
	output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
	cpp_printf, cpp_output_list): Move to cppoutput.c.
	(process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
	* cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
	cppoutput.c.
	* cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
	dump_param_spelling, output_line_command, cpp_scan_buffer,
	cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
	from elsewhere.
	* Makefile.in: Add cppoutput.c.
	* po/POTFILES.in: Add cppoutput.c.

From-SVN: r36634

2000-09-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>

	* g++.old-deja/g++.other/crash20.C: Make ready for libstdc++-v3.
	* g++.old-deja/g++.pt/ttp62.C: Same.
	* g++.old-deja/g++.other/inline14.C: Same.

From-SVN: r36633

        * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
        * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
        split until after reload.
        (rotlsi3, rotldi3): New.

From-SVN: r36632

2000-09-25  Phil Edwards  <pme@sources.redhat.com>

	* docs/documentation.html:  Add link to...
	* docs/ext/howto.html:  ...this.  New dir/file, describing library
	  extensions (both ours and SGI's).
	* docs/faq/index.html:  Small updates.
	* docs/faq/index.txt:  Regenerate.

From-SVN: r36631

From-SVN: r36630

	* diagnostic.c (output_last_position): Define.
	(set_real_maximum_length): Tweek.
	* diagnostic.h (output_last_position): Declare.

From-SVN: r36629

2000-09-25  Kazu Hirata  <kazu@hxi.com>

	* config/i386/i386.c: Fix formatting.

From-SVN: r36628

From-SVN: r36627

2000-09-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>

        * bits/basic_file.h (_M_open_mode): Remove extra qualifier.

From-SVN: r36626

        * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
        UNITS_PER_WORD is small.

From-SVN: r36625

2000-09-25  Levente Farkas  <lfarkas@mindmaker.hu>

	* ext/stl_hashtable.h (_M_copy_from): Change __copy to __local_copy.

From-SVN: r36624

	* c-common.c (format_char_info): Add flags2; update comments.
	(print_char_table, scan_char_table, time_char_table): Split some
	flags out into flags2.
	(check_format_info): Use flags2 for those flags, for identifying
	the initial character of a scanf scanset, and for identifying
	printf formats where the '0' flag is ignored with precision.

From-SVN: r36623

	* tm.texi: Make documented *_ASM.*_OP:s include spacing.
	Fix typos in description for LONG_LONG_TYPE_SIZE and
	FINI_SECTION_ASM_OP.

From-SVN: r36622

Changes add TABs on either or both sides, covering start of line,
up to any operand for all .*ASM.*_OP definitions.

From-SVN: r36621

Changes add TABs on either or both sides, covering start of line,
up to any operand for all .*ASM.*_OP definitions.

From-SVN: r36620

Changes add TABs on either or both sides, covering start of line,
up to any operand for all .*ASM.*_OP definitions.

From-SVN: r36619

From-SVN: r36618

Changes add TABs on either or both sides, covering start of line,
up to any operand for all .*ASM.*_OP definitions.

From-SVN: r36617

Changes add TABs on either or both sides, covering start of line,
up to any operand for all .*ASM.*_OP definitions.

From-SVN: r36616

Changes add TABs on either or both sides, covering start of line,
up to any operand for all .*ASM.*_OP definitions.

From-SVN: r36615

Changes add TABs on either or both sides, covering start of line,
up to any operand for all .*ASM.*_OP definitions.

From-SVN: r36614

Changes add TABs on either or both sides, covering start of line,
up to any operand for all .*ASM.*_OP definitions.

From-SVN: r36613

Changes add TABs on either or both sides, covering start of line,
up to any operand for all .*ASM.*_OP definitions.

From-SVN: r36612

Changes add TABs on either or both sides, covering start of line,
up to any operand for all .*ASM.*_OP definitions.

From-SVN: r36611

Changes add TABs on either or both sides, covering start of line,
up to any operand for all .*ASM.*_OP definitions.

From-SVN: r36610

Changes add TABs on either or both sides, covering start of line,
up to any operand for all .*ASM.*_OP definitions.

From-SVN: r36609

Changes add TABs on either or both sides, covering start of line,
up to any operand for all .*ASM.*_OP definitions.

From-SVN: r36608

Changes add TABs on either or both sides, covering start of line,
up to any operand for all .*ASM.*_OP definitions.

From-SVN: r36607

Changes add TABs on either or both sides, covering start of line,
up to any operand for all .*ASM.*_OP definitions.

From-SVN: r36606

Changes add TABs on either or both sides, covering start of line,
up to any operand for all .*ASM.*_OP definitions.

From-SVN: r36605

Changes add TABs on either or both sides, covering start of line,
up to any operand for all .*ASM.*_OP definitions.

From-SVN: r36604

up to any operand for all .*ASM.*_OP definitions.

From-SVN: r36603

From-SVN: r36602

expmed.c (store_bit_field): Adjust last change to not consider any word-sized field naturally aligned.

        * expmed.c (store_bit_field): Adjust last change to not consider
        any word-sized field naturally aligned.

From-SVN: r36601

From-SVN: r36600

From-SVN: r36599

        * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
        TFmode unordered compares properly.  Revalidate integer compare
        operands.
        (alpha_emit_setcc): New.
        (alpha_emit_conditional_move): Revalidate integer compare operands.
        * config/alpha/alpha-protos.h: Update.
        * config/alpha/alpha.md (cmpdi): Allow general operands.
        (sne): Use alpha_emit_setcc.
        (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
        (sunordered, sordered): New.

From-SVN: r36598

        * config/ia64/ia64-protos.h: Update.
        * config/ia64/ia64.c (call_multiple_values_operation): Remove.
        (ia64_expand_call): New.
        (ia64_expand_prologue): Emit an alloc if we need extra input
        registers.
        (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
        instruction if true.
        (struct reg_flags): Add is_sibcall.
        (rtx_needs_barrier): A sibcall does not use CFM et al.  Ignore USEs.
        (emit_insn_group_barriers): Set flags.is_sibcall.  Remove hacks
        for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
        * config/ia64/ia64.h (PREDICATE_CODES): Update.
        * config/ia64/ia64.md (call): Use ia64_expand_call.
        (call_value): Likewise.
        (sibcall, sibcall_value): New.
        (call patterns): Remove extra expanders; tidy.
        (sibcall_epilogue): New.
        (set_bsp): Remove the extra USE.  Put the operand inside the UNSPEC.

From-SVN: r36597