* invoke.texi (-malign-double): Re-add lost warning.

	* i386-protos.h (x86_output_mi_thunk): Declare.
	* unix.h (ASM_OUTPUT_MI_THUNK): Move offline to ...
	* i386.c (x86_output_mi_thunk): ... here; handle 64bits.

	* dwarf2out.c (output_call_frame_info): Do not skip unwind info
	when flag_asynchronous_unwind_tables is set.

	* flags.h (flag_reorder_functions): Declare.
	* function.c (prepare_function_start): Initialize frequnecy.
	* params.def (HOT_BB_COUNT_FRACTION, HOT_BB_FREQUENCY_FRACTION): New paramters.
	* Makefile.in (predict.o): Add dependency on target.h and params.h
	* defaults.h (HOT_TEXT_SECTION_NAME,
	UNLIKELY_EXECUTED_TEXT_SECTION_NAME): New macros.
	* predict.c (choose_function_section): New function.
	(estimate_bb_frequencies): Use it.
	* toplev.c (flag_reorder_functions): New global variable.
	(lang_independent_options): New.
	(parse_options_and_default_flags): Set.
	* varasm.c (assemble_start_function): Bypass functdion alignment
	for never executed functions.
	* invoke.texi (-freorder-blocks, -freorder-functions): Document.
	(param hot-bb-count-fraction, hot-bb-frequency-fraction): New.
	* tm.texi (HOT_TEXT_SECTION_NAME, UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
	Document.

	Thu Jan  3 21:52:09 CET 2002  Jan Hubicka  <jh@suse.cz>

	* predict.c: Inlude profile.h
	(MIN_COUNT): Rename to MIN_COUNT_FRACTION
	(maybe_hot_bb_p, probably_cold_bb_p, probably_never_executed_bb_p):
	Use the information about maximal counter in the program.

	Thu Dec 20 22:14:00 CET 2001  Jan Hubicka  <jh@suse.cz>

	* basic-block.h (maybe_hot_bb_p, probably_cold_bb_p,
	probably_never_executed_bb_p): New functions.
	* cfgcleanup.c (outgoing_edges_match): Use them.
	* predict.c (MIN_COUNT, MIN_FREQUENCY): New macros.
	(maybe_hot_bb_p, probably_cold_bb_p,
	probably_never_executed_bb_p): New functions.

	* function.h (function): Add new field function_frequency.
	* predict.c (compute_function_frequency): New function.
	(estimate_probability): Call it.

From-SVN: r53478

	* c-parse.in (MODIFIED_WCHAR_TYPE): New macro.
	(c_common_nodes_and_builtins): Use it.
	(builtin_define_with_value): New function.
	(cb_register_builtins): Define __SIZE_TYPE__,
	__PTRDIFF_TYPE__, __WCHAR_TYPE__, and __WINT_TYPE__ here,
	using builtin_define_with_value.  Use consistent notation when
	defining __GXX_WEAK__.
	(WCHAR_TYPE_SIZE): Don't redefine.
	(combine_strings): Don't use WCHAR_TYPE_SIZE.

	* cppdefault.h: Don't provide defaults for SIZE_TYPE,
	PTRDIFF_TYPE, WCHAR_TYPE, or WINT_TYPE.
	* cppinit.c (builtin_array): Remove entries for __SIZE_TYPE__ etc.
	* tradcpp.c (initialize_builtins): Likewise.
	* gcc.c (cpp_unique_options): Don't muck with __WCHAR_TYPE__.

	* c-lex.h (builtin_define_with_value): Prototype.
	* system.h: Poison NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_WCHAR_TYPE,
	NO_BUILTIN_PTRDIFF_TYPE, and NO_BUILTIN_WINT_TYPE.
	* doc/tm.texi: Remove mention of NO_BUILTIN_SIZE_TYPE etc.

	* config/avr/avr.h, config/h8300/h8300.h, config/i386/i386.h,
	config/ia64/ia64.h, config/mips/dec-osf1.h, config/mips/iris6.h,
	config/mips/linux.h, config/mips/mips.h, config/mips/netbsd.h,
	config/mips/osfrose.h, config/mips/sni-svr4.h, config/rs6000/aix51.h,
	config/s390/linux.h, config/sh/sh.h, config/sh/sh64.h,
	config/sparc/linux64.h, config/sparc/netbsd-elf.h,
	config/sparc/sol2-bi.h, config/sparc/sparc.h:
	Do not define NO_BUILTIN_SIZE_TYPE etc.  Remove all references
	to __SIZE_TYPE__ etc from all spec strings. When this makes
	extra specs empty, delete them.

From-SVN: r53472

	* doc/install.texi: Remove special markup originally required for
	HTML generation with texi2html.

From-SVN: r53453

install.texi (Specific, [...]): Update passus on setting CONFIG_SHELL to /bin/ksh and remove alternate trick to...

	* doc/install.texi (Specific, *-*-solaris2*): Update passus on
	setting CONFIG_SHELL to /bin/ksh and remove alternate trick to
	(possibly) work around broken /bin/sh.

From-SVN: r53452

	* doc/contrib.texi: Update my entry.
	* wwwdocs/htdocs/bugs.html: Update.

From-SVN: r53437

	* gcc.c (SWITCH_TAKES_ARG): Remove 'V'.
	(translate_options): Remove 'V'.
	(process_command): Similarly.
doc:
	* invoke.texi: Remove documentation of 'V'.

From-SVN: r53425

	* Makefile.in (c-common.o, cppinit.o): Update.
	* c-common.c: Include except.h.
	(cb_register_builtins): Handle __USING_SJLJ_EXCEPTIONS__.
	Call TARGET_CPU_CPP_BUILTINS and TARGET_OS_CPP_BUILTINS.
	* cppinit.c (__USING_SJLJ_EXCEPTIONS): Not here.
	* defaults.h (TARGET_OS_CPP_BUILTINS, TARGET_CPU_CPP_BUILTINS,
	CPP_PREDEFINES): Handle here.
config:
	* alpha/alpha-interix.h, alpha/gnu.h, alpha/linux.h,
	alpha/netbsd.h, alpha/openbsd.h, alpha/osf.h, alpha/unicosmk.h,
	alpha/vms.h, alpha/vxworks.h: Remove CPP_PREDEFINES, define
	TARGET_OS_CPP_BUILTINS.
	* alpha/alpha.h (TARGET_CPU_CPP_BUILTINS): Define.
	(CPP_SPEC, EXTRA_SPECS): Update.
	(CPP_AM_BWX_SPEC, CPP_AM_MAX_SPEC, CPP_AM_FIX_SPEC,
	CPP_AM_CIX_SPEC, CPP_IM_EV4_SPEC, CPP_IM_EV5_SPEC,
	CPP_IM_EV6_SPEC, CPP_CPU_EV4_SPEC, CPP_CPU_EV5_SPEC,
	CPP_CPU_EV56_SPEC, CPP_CPU_PCA56_SPEC, CPP_CPU_EV6_SPEC,
	CPP_CPU_EV67_SPEC, CPP_CPU_DEFAULT_SPEC, CPP_CPU_SPEC): Remove.
doc:
	* tm.texi (TARGET_REGISTER_CPP_BUILTINS): Remove.
	(TARGET_OS_CPP_BUILTINS, TARGET_CPU_CPP_BUILTINS): Define.

From-SVN: r53410

	* config/rs6000/rs6000.c (rs6000_default_long_calls,
	rs6000_longcall_switch, rs6000_set_default_type_attributes): New.
	(TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Set it.
	(rs6000_override_options): Handle -m(no-)longcall.
	(init_cumulative_args, output_mi_thunk): Check for both
	longcall and shortcall attributes on the function.
	(rs6000_attribute_table): Add "shortcall".
	(rs6000_handle_longcall_attribute): Update comment.
	(altivec_expand_unop_builtin, altivec_expand_binop_builtin,
	altivec_expand_ternop_builtin): Add default clauses to switches
	to silence warnings.

	* config/rs6000/rs6000.h: Declare rs6000_longcall_switch and
	rs6000_default_long_calls.  Define REGISTER_TARGET_PRAGMAS.
	(TARGET_OPTIONS): Add longcall and no-longcall.

	* config/rs6000/rs6000.md (call_nonlocal_sysv,
	call_value_nonlocal_sysv): Split by alternatives.  One pair
	accepts only SYMBOL_REFs and rejects if CALL_LONG is set in
	the call cookie.  The other pair accepts only LR/CTR and has
	no restriction.

	* config.gcc (rs6000-*-* | powerpc*-*-* trailer stanza):
	Set c_target_objs, cxx_target_objs; add t-rs6000-c-rule to
	tmake_file.
	* config/rs6000/rs6000-c.c: New file.
	* config/rs6000/t-rs6000-c-rule: New file.
	* config/rs6000/rs6000-protos.c: Add multiple-include guard.
	Prototype rs6000_pragma_longcall.

	* doc/extend.texi: Document shortcall attribute.
	* doc/invoke.texi: Document -mlongcall, -mno-longcall.

From-SVN: r53382

2002-05-10  David S. Miller  <davem@redhat.com>

	* rtl.h (INSN_ANNULLED_BRANCH_P): Accept INSN too, update comment.
	(struct rtx_def): Update unchanging flag comment.
	* doc/rtl.texi (INSN_ANNULLED_BRANCH_P): Update description.
	* reorg.c (delete_from_delay_list): INSN_ANNULLED_BRANCH_P needs
	to be handled to INSN too.
	(dbr_schedule): Likewise.
	* resource.c (next_insn_no_annul): Likewise.

From-SVN: r53370

2002-05-09  David S. Miller  <davem@redhat.com>

	* rtl.h (struct rtx_def): Document unchanging and in_struct flags
	more accurately.
	(INSN_ANNULLED_BRANCH_P): Only valid for JUMP_INSN and CALL_INSN, fix
	comment.
	(INSN_FROM_TARGET_P): Valid also for CALL_INSN.
	* doc/rtl.texi: Document these macros more accurately.
	* recog.c (whole file): Only mess with INSN_ANNULLED_BRANCH_P for
	JUMP_INSNs and CALL_INSNs.
	* resource.c (whole file): Only mess with INSN_ANNULLED_BRANCH_P
	or INSN_FROM_TARGET_P if the code is appropriate.

From-SVN: r53360

	* Makefile.in: Update.
	* c-common.c (flag_iso, flag_undef, cb_register_builtins,
	builtin_define_std): New.
	(c_common_init): Register CPP builtins callback.
	* c-common.h (flag_iso, flag_undef): New.
	* c-decl.c (c_decode_option): Set flag_iso and flag_undef.
	* c-lex.c: Don't include target.h.
	(cb_register_builtins): Move to c-common.c.
	(init_c_lex): Don't register hook here.
	* c-lex.h (builtin_define, builtin_assert, builtin_define_std): New.
	(cpp_define, cpp_assert): Remove.
	* gcc.c (cc1_options): Pass -undef to front end.
	* target-def.h (TARGET_REGISTER_CPP_BUILTINS): Remove.
	(TARGET_INITIALIZER): Update.
	* target.h (struct cpp_reader): Don't predeclare.
	(struct gcc_target): Remove cpp builtin hook.
	* tree.c (default_register_cpp_builtins): Remove.
cp:
	* cp-tree.h (flag_ansi): Remove.
	* decl2.c (flag_ansi): Remove.
	(cxx_decode_option): Set flag_iso and flag_undef.
doc:
	* tm.texi: Update.

From-SVN: r53349

	* cpplib.c (cpp_init_internal_pragmas): Remove #pragma poison.
	* cppmacro.c (paste_all_tokens): Bad pastes are a hard error.
doc:
	* cpp.texi: Update for removal of obsolete features.
testsuite:
	* gcc.dg/cpp/poison.c: Update.
	* gcc.dg/cpp/20000625-2.c: Remove.
	* gcc.dg/cpp/direct2s.c: Remove final test.

From-SVN: r53333

	* final.c (end_final): Use C trees to output data structures for profiling.

	* Makefile.in (LIBGCC_DEPS): Added missing dependency on gcov-io.h
        (profile.o): New dependency profile.h
        (final.o): New dependency profile.h
        * profile.h: New file. New global structure profile_info.
        * final.h (count_edges_instrumented_now): Declare.
        (current_function_cfg_checksum): Declare.
        (function_list): New structure.
        (functions_head, functions_tail): New static variables.
        (end_final): Emits more data, removed some -ax stuff.
        (final): Stores function names and chcksums.
        * gcov-io.h (__write_gcov_string): New function.
        (__read_gcov_string): New function.
        * gcov.c (read_profile): New function.
        (create_program_flow_graph): Uses read_profile instead of reading
	da_file.
        (read_files): Removed da_file checking, it's done by read_profile now.
        * libgcc2.c (bb_function_info): New structure.
        (bb): New field in structure, removed some -ax stuff.
        (__bb_exit_func): Changed structure of da_file.
        * profile.c (count_edges_instrumented_now): New global variable.
        (current_function_cfg_checksum): New global variable.
        (max_counter_in_program): New global variable.
        (get_exec_counts): New function.
        (compute_checksum): New function.
        (instrument_edges): Sets count_edges_instrumented_now.
        (compute_branch_probabilities): Uses get_exec_counts instead of
	reading da_file.
        (branch_prob): Calls compute_checksum and writes extra data to bbg_file.
        (init_branch_prob): Removed da_file checking, done in get_exec_counts
	now.
        (end_branch_prob): Removed da_file checking, done in get_exec_counts
	now.
        * gcov.texi: Updated information about gcov file format.

Co-Authored-By: Pavel Nejedly <bim@atrey.karlin.mff.cuni.cz>

From-SVN: r53326

rtl.h (RTL_FLAG_CHECK*): Add an argument for the macro name, and use it in all invocations of these macros.

	* rtl.h (RTL_FLAG_CHECK*): Add an argument for the macro name,
	and use it in all invocations of these macros.  Clean up comments.
	* rtl.c (rtl_check_failed_flag): Add an argument for the name
	of the flag access macro whose check failed.
	* doc/rtl.texi (Flags): Document additional flag uses.

From-SVN: r53306

	PR preprocessor/6521
	* cppfiles.c (handle_missing_header): Don't do anything
	different for <> includes.
doc:
	* cppopts.texi: Update documentation for -MG.

Co-Authored-By: Neil Booth <neil@daikokuya.demon.co.uk>

From-SVN: r53304

	* cpplex.c (cpp_interpret_charconst): Truncate as well as
	sign-extend.
doc:
	* cpp.texi: Clarify multichar charconst valuation.
testsuite:
	* gcc.dg/cpp/charconst-4.c: More tests.

From-SVN: r53301

From-SVN: r53299

	* config.in (ENABLE_RTL_FLAG_CHECKING): New.
	* configure.in (ac_rtlflag_checking): New.
	* doc/install.texi (--enable-checking): Document RTL flag checking.
	* configure: Regenerated.

From-SVN: r53272

	* c-common.c (c_common_init): Set options->unsigned_wchar.
	* cppinit.c (cpp_create_reader): Default unsigned_wchar,
	group target dependencies.
	(init_builtins, cpp_handle_option): Update.
	* cpplex.c (cpp_interpret_charconst): Update.
	* cpplib.h (struct cpp_options): Add unsigned_wchar, rename
	signed_char to unsigned_char, group target dependencies.
	* defaults.h (WCHAR_UNSIGNED): Remove.
	* system.h (WCHAR_UNSIGNED, MAX_CHAR_TYPE_SIZE): Poison.
config:
	* freebsd.h, interix.h, alpha/freebsd.h, arm/freebsd.h,
	i386/386bsd.h, i386/beos-elf.h, i386/bsd386.h, i386/cygwin.h,
	i386/djgpp.h, i386/freebsd-aout.h, i386/i386-interix.h,
	i386/win32.h, ia64/freebsd.h, mips/netbsd.h, rs6000/freebsd.h,
	sh/elf.h, sh/sh.h, sparc/freebsd.h: Remove WCHAR_UNSIGNED.
doc:
	* tm.texi: Remove MAX_CHAR_TYPE_SIZE.

From-SVN: r53271

From-SVN: r53242

	* c-common.c (warn_multichar): New.
	(c_common_init): Set CPP's warn_multichar.
	* c-common.h (warn_multichar): New.
	* c-decl.c (warn_multichar): Remove.
	* c-lex.c (lex_charconst): Update.
	* c-tree.h (warn_multichar): Remove.
	* cppexp.c (eval_token): Sign-extend charconst value.
	* cppinit.c (cpp_create_reader): Set warn_multichar.
	* cpplex.c (cpp_interpret_charconst): Don't sign-extend
	each character.  Update prototype.  Sign-extend the result.
	* cpplib.h: Fix conditions.
	(struct cpp_options): Add new warning flag.
	(cpp_interpret_charconst): Update prototype.
cp:
	* Make-lang.in (decl2.o): Update.
	* cp-tree.h (warn_multichar): Remove.
	* decl2.c: Include c-common.h.
	(warn_multichar): Remove.
doc:
	* cpp.texi: Update documentation.
testsuite:
	* gcc.dg/cpp/charconst-3.c: Correct tests accordingly.

From-SVN: r53240

doc:
	* cpp.texi: Update multichar charconst docs.
testsuite:
	* gcc.dg/cpp/charconst-3.c: New test.

From-SVN: r53202

	2002-05-05  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

	* doc/install.texi (powerpc-*-linux-gnu*): Update build requirements.

From-SVN: r53181

	* Makefile.in (c-lex.o): Update.
	* c-lex.c: Include target.h.
	(cb_register_builtins): New.
	(init_c_lex): Set builtins callback.
	* c-lex.h (cpp_define, cpp_assert): New prototypes.
	* cppinit.c (init_builtins): Use callback, including for
	GXX_WEAK.
	* cpplib.h (struct cpp_callbacks): New member.
	* target-def.h (TARGET_REGISTER_CPP_BUILTINS): New.
	(TARGET_INITIALIZER): Update.
	* target.h (struct gcc_target): New hook.
	* tree.c (default_register_cpp_builtins): New.
	* tree.h (default_register_cpp_builtins): New.
doc:
	* tm.texi (TARGET_REGISTER_CPP_BUILTINS): Document.

From-SVN: r53165

2002-05-03  David S. Miller  <davem@redhat.com>

	Delete cycle display scheduling hook.
	* config/ia64/ia64.c (ia64_cycle_display,
	TARGET_SCHED_CYCLE_DISPLAY, ia64_emit_insn_before): Delete.
	(ia64_sched_reorder2): Don't check for CODE_FOR_cycle_display
	and use emit_insn_before instead of ia64_emit_insn_before.
	* config/ia64/ia64.md (unspec usage): Delete cycle display.
	(cycle_display): Delete insn pattern.
	* config/sparc/sparc.md (unspec usage): Delete cycle display.
	(cycle_display): Delete insn pattern.
	* config/sparc/sparc.c (sparc_cycle_display,
	TARGET_SCHED_CYCLE_DISPLAY): Delete.
	* doc/md.texi (cycle_display): Don't mention.
	* doc/tm.texi (TARGET_SCHED_CYCLE_DISPLAY): Likewise.

From-SVN: r53134

	* doc/install.texi (Installing): Mention GCC 3.1 buildstats.
	(Specific): Removed buildstats references.
	(Specific, hppa*-hp-hpux11): Adjust for GCC versions > 3.0.
	(Specific, sparc-sun-solaris2*): Update 64-bit hints for GCC 3.1.
	Accomodate Solaris versions beyond 8.
	(Specific, sparc-sun-solaris2.7): Update as path for GCC 3.1.
	(Specific, *-*-solaris2.8): Removed, obsolete.

From-SVN: r53097

        * defaults.h (BOOL_TYPE_SIZE): Move default here from cp/decl.c.
        * c-decl.c (c_init_decl_processing): Use it.
        * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Define to INT_TYPE_SIZE.
        * config/i960/i960.h (BOOL_TYPE_SIZE): Don't define.
        * config/mcore/mcore.h (BOOL_TYPE_SIZE): Don't define.

From-SVN: r53091

From-SVN: r53070

From-SVN: r53040

	* config.gcc: Correct test of --enable-obsolete.  Obsolete all
	A29k configurations.
	* doc/install.texi: Update to match.

From-SVN: r53009

	* doc/install.texi: Update Texinfo version requirement
	documentation.

From-SVN: r52997

install.texi (Final install): Add to the list of info to include in a report of a successful bootstrap...

	* install.texi (Final install): Add to the list of info to include
	in a report of a successful bootstrap, and add link to 3.1 list.

From-SVN: r52956

        * pa.c (override_options): Default to PA8000 scheduling.
        * doc/invoke.texi (HP-PA options): Mention newly added 7300
        scheduling parameter.

From-SVN: r52950

	* doc/contrib.texi (Contributors): Use MIPS instead of Mips and
	mips.  Add two missing commas.

From-SVN: r52944

2002-04-30  Paolo Carlini  <pcarlini@unitus.it>

	* doc/contrib.texi (Contributors): Update Paolo Carlini's
	and Benjamin Kosnik's entries.

From-SVN: r52941

	Merging code from dfa-branch:

From-SVN: r52915

	* doc/install.texi (Testing): Provide additional information, and
	a stronger encouragement, for running the testsuites.

From-SVN: r52910

	* doc/contrib.texi (Contributors): Add Paolo Carlini and
	Janis Johnson.
	Update Richard Henderson, Jakub Jelinek, and Mark Mitchell.
	Refer to Objective-C instead of ObjC, SPARC instead of sparc,
	and CPU instead of cpu.

From-SVN: r52893

	* toplev.c (flag_if_conversion, flag_if_conversion2): New static
	variables.
	(lang_independent_options): Add -fif-conversion, -fif-conversion2
	(rest_of_compilation): Do if conversion only when asked for.
	(parse_options_and_default_flags): Set new variables to 1 for -O1
	* invoke.texi (-fif-conversion, -fif-conversion2): Document.

From-SVN: r52891

	2002-04-25  Steve Christiansen  <smc@us.ibm.com>
	* doc/md.texi (Machine Constraints): Add IA-64 constraints.

From-SVN: r52774