From-SVN: r53534

From-SVN: r53533

From-SVN: r53532

From-SVN: r53531

2002-05-16  Phil Edwards  <pme@gcc.gnu.org>

	* docs/html/faq/index.html:  Update not-a-bug list with basic_file.h.
	* docs/html/faq/index.txt:  Regenerate.

From-SVN: r53529

From-SVN: r53527

	* c-common.c (cb_register_builtins): Handle more built-ins
	here rather than in gcc.c specs.
	* gcc.c (cpp_unique_options): Move many built-ins to c-common.c.
	(cpp_options): Pass -O flags even when only preprocessing.
	* toplev.c (set_fast_math_flags): New prototype.
	(fast_math_flags_set_p): New.
	(set_no_fast_math_flags): Remove.
	(decode_f_option): Update.
	* toplev.h (set_fast_math_flags): Update.
	(fast_math_flags_set_p): New.
	(set_no_fast_math_flags): Remove.
config:
	* c4x/c4x.c (c4x_override_options): Update.

From-SVN: r53526

	* c-common.c (STDC_0_IN_SYSTEM_HEADERS, REGISTER_PREFIX):
	Default-define here.
	(builtin_define_with_value): Can now wrap the expansion in
	quotation marks if such is wanted.
	(cb_register_builtins): Update calls to	builtin_define_with_value.
	Define __REGISTER_PREFIX__, __USER_LABEL_PREFIX__, and __VERSION__
	here.
	(c_common_init): Set options->stdc_0_in_system_headers.
	* c-lex.h: Update prototype of builtin_define_with_value.
	* cppdefault.h: Remove default definitions of USER_LABEL_PREFIX
	and REGISTER_PREFIX.

	* cppinit.c (VERS, ULP, C, X): Kill.
	(builtin_array): Remove entries for __VERSION__,
	__USER_LABEL_PREFIX__, __REGISTER_PREFIX__, and
	__HAVE_BUILTIN_SETJMP__.  Make __STDC__ always a builtin, not
	a constant.
	(init_builtins): Kill off a bunch of now-dead code.
	(COMMAND_LINE_OPTIONS): Remove -fleading-underscore and
	-fno-leading-underscore.
	(cpp_handle_option): Remove code to set user_label_prefix.
	(cpp_post_options): Likewise.

	* cpplib.h (struct cpp_options): Remove user_label_prefix.
	(stdc_0_in_system_headers): New.
	* cppmacro.c (builtin_macro): Check CPP_OPTION (pfile,
	stdc_0_in_system_headers) too to decide the value of __STDC__.

	* tradcpp.c (user_label_prefix): Kill.
	(main): Remove code handling -f(no-)leading-underscore.
	(initialize_builtins): Don't define __REGISTER_PREFIX__
	or __USER_LABEL_PREFIX__.
	(install_value): Wrap compound statement in dummy loop so the
	macro works properly in an if statement.

From-SVN: r53525

	* loop.h (struct loop_info): Add member has_prefetch.
	* loop.c (PREFETCH_CONDITIONAL): Change default to 1.
	(prescan_loop): Initialize has_prefetch.
	(struct prefetch_info): Change prefetch_in_loop and
	prefetch_before_loop from bit fields to ints.
	(emit_prefetch_instructions): Several small fixes.
	(check_dbra_loop): Don't reverse loop that uses prefetch.

From-SVN: r53524

	* Makefile.in: Allow for PWDCMD to override hardcoded pwd.
	* config-ml.in: Likewise.
	* configure: Likewise.
	* configure.in: Likewise.

	boehm-gc:
	* acinclude.m4: Allow for PWDCMD to override hardcoded pwd.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

	config:
	* acinclude.m4: Allow for PWDCMD to override hardcoded pwd.

	contrib:
	* test_installed: Allow for PWDCMD to override hardcoded pwd.
	* test_summary: Likewise.

	gcc:
	* Makefile.in: Allow for PWDCMD to override hardcoded pwd.
	* configure.in: Likewise.
	* fixinc/check.tpl: Likewise.
	* fixinc/fixinc.dgux: Likewise.
	* fixinc/fixinc.svr4: Likewise.
	* fixinc/fixinc.winnt: Likewise.
	* fixinc/fixincl.sh: Likewise.
	* fixproto: Likewise.
	* configure: Regenerate.

	gcc/ada:
	* Makefile.adalib: Allow for PWDCMD to override hardcoded pwd.
	* Makefile.in: Likewise.

	gcc/f:
	* Make-lang.in: Allow for PWDCMD to override hardcoded pwd.

	gcc/java:
	* Make-lang.in: Allow for PWDCMD to override hardcoded pwd.

	gcc/po:
	* exgettext: Allow for PWDCMD to override hardcoded pwd.

	gcc/treelang:
	* Make-lang.in: Allow for PWDCMD to override hardcoded pwd.

	libf2c:
	* Makefile.in: Allow for PWDCMD to override hardcoded pwd.
	* aclocal.m4: Likewise.
	* configure: Regenerate.

	libjava:
	* acinclude.m4: Allow for PWDCMD to override hardcoded pwd.
	* configure.in: Likewise.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

	libobjc:
	* aclocal.m4: Allow for PWDCMD to override hardcoded pwd.
	* configure: Regenerate.

	libstdc++-v3:
	* Makefile.am: Allow for PWDCMD to override hardcoded pwd.
	* acinclude.m4: Likewise.
	* docs/html/Makefile: Likewise.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.
	* Makefile.in: Regenerate.

	zlib:
	* configure.in: Allow for PWDCMD to override hardcoded pwd.
	* configure: Regenerate.

	* ChangeLog: Move entries to ChangeLog.gcj.

From-SVN: r53523

From-SVN: r53522

From-SVN: r53521

    * config/arm/arm.c (arm_rtx_costs): Check for RTX being a
    SYMBOL_REF before calling CONSTANT_POOL_ADDRESS_P.
    (arm_adjust_cost): Check for RTX being a SYMBOL_REF before
    calling CONSTANT_POOL_ADDRESS_P.
    * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Fix typo in code
    to decide whether to define __arm__ or __thumb.
        (THUMB_GO_IF_LEGITIMATE_ADDRESS): Check for RTX being a
    SYMBOL_REF before calling CONSTANT_POOL_ADDRESS_P.

From-SVN: r53519

From-SVN: r53518

	PR c++/6620
	* pt.c (verify_class_unification): Don't check if PARM is template
	parameter dependent.  Simplify.
	(unify) [TEMPLATE_PARM_INDEX]: Handle when ARG is a template
	parameter dependent expression.

From-SVN: r53517

From-SVN: r53514

	* config/arc/arc.h (CPP_PREDEFINES): Remove.
	(CPP_SPEC): Update.
	(TARGET_CPU_CPP_BUILTINS): New.

From-SVN: r53510

	* cpphash.h (cpp_macro): Move here, and make expansion a union.
	* cppmacro.c (cpp_macro): Remove.
	(enter_macro_context, replace_args, warn_of_redefinition,
	_cpp_create_definition, cpp_macro_definition): Update.

From-SVN: r53509

        * lib/scanasm.exp (scan-assembler): Use upvar, not uplevel.
        (scan-assembler-not, scan-assembler-dem): Likewise.
        (scan-assembler-dem-not): Likewise.

From-SVN: r53508

        * cp/rtti.c (get_tinfo_decl): Don't call comdat_linkage.
        Do set DECL_COMDAT.
        (synthesize_tinfo_var): Take the public decl.
        (create_real_tinfo_var): Likewise.  Check DECL_COMDAT.
        (emit_tinfo_decl): Adjust.  Call import_export_decl.
        * cp/decl2.c (import_export_decl): Simplify tinfo decl handling.
        * config/mips/mips.c (mips_output_external): Don't do sdata
        optimization for a variable with DECL_COMDAT set.

From-SVN: r53506

From-SVN: r53505

2002-05-15  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/altivec.h: Cleanups for tighter typechecking.
        Cleanups for accepting modifiers on pointers.
        Fix predicate typos.
        Allow long pointers as well as int pointers.

From-SVN: r53500

        * varasm.c (merge_weak): Remove special case for extern and common.

        * gcc.dg/weak-5.c (vfoo1c, vfoo1g): Warn here.

From-SVN: r53498

2002-05-15  Matt Hiller  <hiller@redhat.com>

	* testsuite/gcc.c-torture/compile/20000804-1.x: Don't return 1 if
        XFAILing.
	* testsuite/gcc.c-torture/compile/20001226-1.x: Ditto.
	* testsuite/gcc.c-torture/compile/920520-1.x: Ditto.
	* testsuite/gcc.c-torture/compile/mipscop-1.x: XFAIL for now.
	* testsuite/gcc.c-torture/compile/mipscop-2.x: Ditto.
	* testsuite/gcc.c-torture/compile/mipscop-3.x: Ditto.
	* testsuite/gcc.c-torture/compile/mipscop-4.x: Ditto.

From-SVN: r53497

2002-05-15  Aldy Hernandez  <aldyh@redhat.com>

        * reload1.c (forget_old_reloads_1): Do not use subreg offset.

From-SVN: r53496

2002-05-15  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md ("altivec_mtvscr"): Set VSCR register.
        ("altivec_mfvscr"): Read from VSCR.

        Add vscr sets for the following insns: altivec_vctuxs,
        altivec_vaddubs, altivec_vaddsbs, altivec_vadduhs,
        altivec_vaddshs, altivec_vadduws, altivec_vaddsws, altivec_vctsxs,
        altivec_vmhaddshs, altivec_vmhraddshs, altivec_vmsumuhs,
        altivec_vmsumshs, altivec_vpkuhss, altivec_vpkshss,
        altivec_vpkuwss, altivec_vpkswss, altivec_vpkuhus,
        altivec_vpkshus, altivec_vpkuwus, altivec_vpkswus,
        altivec_vsububs, altivec_vsubsbs, altivec_vsubuhs,
        altivec_vsubshs, altivec_vsubuws, altivec_vsubsws,
        altivec_vsum4ubs, altivec_vsum4sbs, altivec_vsum4shs,
        altivec_vsum2sws, altivec_vsumsws.

        * config/rs6000/rs6000.h: Add VSCR fixed register.
        (CALL_REALLY_USED_REGISTERS): Add vscr.
        (CALL_USED_REGISTERS): Same.
        (FIXED_REGISTERS): Same.
        (REG_ALLOC_ORDER): Same.
        (reg_class): Add VSCR_REGS.
        (REG_CLASS_NAMES): Same.
        (REG_CLASS_CONTENTS): Same.
        (VSCR_REGNO): New.
        (REGISTER_NAMES): Add vscr.
        (DEBUG_REGISTER_NAMES): Same.
        (ADDITIONAL_REGISTER_NAMES): Same.
        (FIRST_PSEUDO_REGISTER): Increment.
        (CONDITIONAL_REGISTER_USAGE): Set VSCR as a global register.

From-SVN: r53495

	libstdc++/6641
	* include/bits/c++config (__USE_MALLOC): Report case where
	the user improperly defined it on the command line.

From-SVN: r53494

2002-05-15  Jakub Jelinek  <jakub@redhat.com>

        * fold-const.c (fold): Fix a typo.

2002-05-15  Eric Botcazou  <ebotcazou@multimania.com>

        * fold-const.c (fold) [LT_EXPR]: Move the transformation of a
        comparison against the highest or lowest integer value before
        the 'X >= CST to X > (CST - 1)' and 'X < CST to X <= (CST - 1)'
        transformation and that of an unsigned comparison against 0
        right after.

From-SVN: r53493

        * varasm.c (merge_weak): Error for any weakening after definition.
        Adjust weakening after use warning to catch more cases.
        (assemble_alias): Set TREE_USED and TREE_ASM_WRITTEN consistently.
        * config/alpha/alpha.c (alpha_encode_section_info): Do not abort.

        * gcc.dg/weak-5.c (vfoo1c): No warning here.
        (vfoo1f): Warning here.
        (vfoo1l): Don't redefine the alias.

From-SVN: r53491

	* testsuite/testsuite_hooks.h (__set_testsuite_memlimit):
	Retrieve current limits before setting.

From-SVN: r53490

2002-05-15  Benjamin Kosnik  <bkoz@redhat.com>

	PR libstdc++/6518
	* include/bits/ostream.tcc (ostream::operator<<(const char*)): Fix
	for null case.
	(ostream::operator<<(const _CharT*)): Same.
	(ostream<char>::operator<<(const char*)): Same.
	* testsuite/27_io/ostream_inserter_char.cc (test07): Add test.

From-SVN: r53489

2002-05-15  Benjamin Kosnik  <bkoz@redhat.com>

	PR libstdc++/6594
	* src/strstream.cc (strstreambuf): Fix leak.

From-SVN: r53486

2002-05-15  Paolo Carlini  <pcarlini@unitus.it>

	PR libstdc++/6648
	* include/bits/istream.tcc (istream::getline, ignore):
	Upon __idelim (__delim) call sbumpc() not snextc().
	* testsuite/27_io/narrow_stream_objects.cc:
	Add test08 and test09.

From-SVN: r53481

	* 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

2002-03-09  Jakub Jelinek  <jakub@redhat.com>

	PR optimization/5172, optimization/5200
	* gcse.c (gcse_main): Disable store_motion.

From-SVN: r53477

From-SVN: r53476

[[Split portion of a mixed commit.]]

From-SVN: r53475.2

	* 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

pa.c (override_options): Override TARGET_JUMP_IN_DELAY when scheduling for PA8000 or generating dwarf2...

	* pa.c (override_options): Override TARGET_JUMP_IN_DELAY when scheduling
	for PA8000 or generating dwarf2 call frame information.
	(output_call): Remove DO_FRAME_NOTES check from return pointer
	optimization.
	(following_call): Return 0 when scheduling for PA8000 or generating
	dwarf2 call frame information.  Revise comment.

From-SVN: r53470

config/alpha:
	* alpha.h (TARGET_CPU_CPP_BUILTINS): Define __IEEE_FP
	and __IEEE_FP_INEXACT as appropriate.
	(CPLUSPLUS_CPP_SPEC): Don't define __cplusplus.
	(CPP_SPEC): Remove ieee defines.
	* freebsd.h, netbsd.h: Remove ieee defines.

From-SVN: r53465