* config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.

[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog

2001-06-10  Richard Henderson  <rth@redhat.com>

        * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.

2001-06-10  Alexandre Oliva  <aoliva@redhat.com>

        * doc/invoke.texi (MN10300 Options): Document -mno-crt0.
        (SH Options): Document -mieee.
        * doc/install.texi (Final install): Remove obsolete information
        about installing cross compilers.
        * doc/gcc.1: Rebuilt.

2001-06-10  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (override_options): Set align_loops,
        align_jumps, and align_functions.
        * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits.
        (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove.  

2001-06-11  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode and DFmode
        are one and two words in size.

2001-06-10  Richard Henderson  <rth@redhat.com>

        * doc/invoke.texi (Optimization Options): Document -fpeephole2.
        (Code Generation Options): Document -fnon-call-exceptions.

2001-06-10  Mark Kettenis  <kettenis@gnu.org>

        * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine.

2001-06-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * m68hc11.md (peepholes): Remove unused and wrong peepholes.

2001-06-10  Mark Mitchell <mark@codesourcery.com>
            Gabriel Dos Reis  <gdr@codesourcery.com>

        * Makefile.in (c-parse.o): Depend on diagnostic.h
        (dwarf2out.o): Likewise.

        * dwarf2out.c: #include diagnostic.h

        * toplev.h (warningcount, errorcount, sorrycount): Remove
        declarations. 

        * toplev.c (warningcount, errorcount, sorrycount): Remove
        definitions. 

        * diagnostic.h (struct output_buffer): Reorder fields.
        (diagnostic_kind_count): New macro.     
        (errorcount, warningcount, sorrycount): Define as macros.
        (diagnostic_report_warnings_p): New macro.
        (output_state): Add diagnostic_count field.

        * diagnostic.c (warningcount, errorcount, inhibit_warnings):
        Remove tentative declaration.
        (count_error): Use diagnostic_report_warnings_p.

        * c-parse.in: #include diagnostic.h

2001-06-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to
        prefer a memory for operand 1.
        ("*addsi3"): Fix constraints, the '!' was too strong.
        ("*addsi3_split"): Accept soft register and split accordingly.

2001-06-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline): 
        Move definition in the RTX_CODE section.

2001-06-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return 
        address as relative to the argument pointer.

Sun Jun 10 10:58:53 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * predict.def (PRED_OPCODE): Place before call and error_return.

Sun Jun 10 10:00:17 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * predict.def (PRED_CALL, PRED_ERROR_RETURN): New.
        * predict.c (estimate_probability): Calculate dominance
        information; improve detection of NORETURN heuristics;
        add call/error_return heuiristics; tweak comparison heuristics
        to recognize -1.

2001-06-09  Alexandre Oliva  <aoliva@redhat.com>

        * doc/invoke.texi (C Dialect Options): Document -aux-info.
        (Debugging Options): Document -print-multi-directory and
        -print-multi-lib.
        * doc/gcc.1: Rebuilt.

        * toplev.c (independent_decode_option): Require `=' between
        `-aux-info' and filename in the same argument.
        * gcc.c: Don't pass -aux-info=filename twice.

2001-06-09  Mark Mitchell  <mark@codesourcery.com>

        * expr.c (expand_expr, case ARRAY_REF): Do not replace
        an array element with the known initializing value if it has
        side-effects.

        * toplev.c (rest_of_compilation): Remove dead code before
        purge_addressof.
        
2001-06-09  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cppinit.c (print_help): Document -fpreprocessed.
        * invoke.texi: Similarly.

Sun Jun 10 00:35:37 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * predict.def: New file.
        * predict.h: New file.
        * predict.c: Include predict.h.
        (predictor_info): New structure and array.
        (predict_edge, predict_insn): Rewrite; make global.
        (predict_edge_def, predict_insn_def): New global functions.
        (dump_prediction, combine_predictions_for_insns): New
        static functions.
        (estimate_probability): Change calls to predict_edge
        to predict_edge_def and calls to predict_insn to predict_insn_def;
        combine probabilities.
        (expected_value_to_br_prob): Behave as predictor.
        * rtl.h (REG_BR_PRED): Update coment.
        (invert_br_probabilities): New.
        * jump.c: Include predict.h
        (duplicate_loop_exit_test): Drop branch prediction notes.
        (invert_jump): Use invert_br_probabilities.
        * Makefile.in: Add dependancy on predict.h for jump and predict pass.
        * ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
        * combine.c (distribute_notes): Handle BR_PRED.

Sat Jun  9 23:29:41 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * predict.c (predict_insn, predict_edge): New static functions.
        (estimate_probability): Revamp to use new functions;
        fix loop header heruistics; add loop exist heruistics

2001-06-09  Alexandre Oliva  <aoliva@redhat.com>

        * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above.

2001-06-09  Peter Jakubek <pjak@snafu.de>

        * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.

2001-06-09  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
        for integer operations that don't update C bit.

2001-06-09  Nicola Pero <nicola@brainstorm.co.uk>

        * gthr-posix.h (__gthread_objc_init_thread_system): If
        pthread_key_create fails, it's not clear what the return value is.
        This obvious fix makes sure it always returns -1 if a problem
        occurs.

2001-06-09  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/gcc.texi: Use @defcodeindex for the index of options.  Add
        more index entries.  Use more logical markup where appropriate.
        Use TeX quotes and dashes.

2001-06-09  Benjamin Kosnik  <bkoz@redhat.com>

        * unwind-pe.h: Conditionally qualify references to abort with
        std::.

2001-06-09  Julian Foad <julian_foad@hotmail.com>

        * doc/invoke.texi: Remove superfluous text.

2001-06-08  Richard Henderson  <rth@redhat.com>

        * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
        (LIB_SPEC): Mirror config/linux.h version.

2001-06-08  Richard Henderson  <rth@redhat.com>

        * except.c (get_exception_pointer, get_exception_filter): Take a
        struct function.  Update all callers.
        * except.h (get_exception_pointer): Update declaration.
        * expr.c (expand_expr): Update get_exception_pointer call.
        * integrate.c (expand_inline_function): Remap the exception pointer
        from callee to caller.

2001-06-08  Mark Mitchell  <mark@codesourcery.com>

        * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
        accurately reflect its cv-qualification.
        * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
        cv-qualifiers on function types.

2001-06-08  Mark Mitchell  <mark@codesourcery.com>

        * basic-block.h: Improve comments.
        * except.c (expand_eh_region_end_allowed): Remove redundant call
        to do_pending_stack_adjust.
        * flow.c (life_analysis): Fix typo in comment.
        (calculate_global_regs_live): Add documentation.
        (mark_set_1): Likewise.
        (debug_regset): Likewise.
        * doc/rtl.texi (cond_exec): Document it.

Fri Jun  8 21:52:51 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * i386.h (CONST_COSTS): set cost of constants representable in
        immediate fields to 0.

Fri Jun  8 21:34:54 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * function.c (diddle_return_value): Kill code to determine
        return value before expand_function_end.
        (expand_function_end): Delay call to clobber_return_register
        after fucntion return value is computed.

        Re-install temporary reverted patch:
        * toplev.c (rest_of_compilation): Call split_all_insns
        before reg-stack and shorten-branches. Do shorten-branches
        after reg-stack.
        * final.c (shorten_branches): Remove insn splitting code.

2001-06-08  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/gcc.texi, doc/invoke.texi: Add index of command line
        options.  Use @opindex to index them rather than other indexing
        commands.  Use @var{...} instead of <...>.  Avoid spaces in names
        inside @var.  Don't use @kindex to index escape sequences in
        source code.

2001-06-08  Jason Merrill  <jason_merrill@redhat.com>

        * stmt.c (current_nesting_level): New fn.
        * tree.h: Declare it.
        * c-semantics.c (genrtl_compound_stmt): Use it.

        * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.

2001-06-08  Jakub Jelinek  <jakub@redhat.com>

        * jump.c (mark_modified_reg): Allow jump threading if condition
        codes are represented by a hard register.

2001-06-08  Jakub Jelinek  <jakub@redhat.com>

        * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
        for complex floats passed to unprototyped functions.

2001-06-08  Mark Mitchell  <mark@codesourcery.com>

        * except.c (expand_eh_region_end_allowed): Call
        do_pending_stack_adjust as necessary.

Fri Jun  8 14:16:33 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * function.c (clobber_return_register): Clobber the pseudo return
        register too.

        * sibcall.c (skip_unreturned_value): New function.
        (call_ends_block_p): Use it.

        * recog.c (split_insn): Break out from ...
        (split_all_insns): ... here; do not use basic block information
        when it is broken.

Thu Jun  7 18:27:53 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * simplify-rtx.c (simplify_subreg):  Fix verification of
        combined subreg.

2001-06-08  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
        Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
        Move definition of _LANGUAGE_C_PLUS_PLUS ...
        (CPLUSPLUS_CPP_SPEC): ... here.
        Fixes PRs c++/3047, target/441.

2001-06-08  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/install.texi2html (MAKEINFO): Keep value if set already.

2001-06-08  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/gcc.texi: Add trailing slash to URL.

2001-06-07  Stan Shebs  <shebs@apple.com>

        * config/darwin.h (ENCODE_SECTION_INFO): Define.
        (REDO_SECTION_INFO_P): Ditto.
        (STRIP_NAME_ENCODING): Ditto.
        (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
        (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
        (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
        (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
        * config/darwin.c: No longer include c-tree.h.
        (machopic_classify_ident): Rewrite to use symbol encoding.
        (lookup_name_darwin): Remove.
        (machopic_non_lazy_ptr_name): Handle encoded symbols.
        (machopic_stub_name): Use STRIP_NAME_ENCODING.
        (machopic_validate_stub_or_non_lazy_ptr): Ditto.
        (machopic_finish): Ditto, remove test of decl.
        (update_non_lazy_ptrs): New function.
        (darwin_encode_section_info): New function.
        * config/darwin-protos.h: Declare it.
        * config/rs6000/rs6000.c (machopic_output_stub): Use
        STRIP_NAME_ENCODING.
        
2001-06-07  Mark Mitchell  <mark@codesourcery.com>

        * tree.h (DECL_SOURCE_FILE): Improve documentation.
        (DECL_SOURCE_LINE): Likewise.

2001-06-07  Loren J. Rittle  <ljrittle@acm.org>

        * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
        from config/elfos.h.

2001-06-07  Phil Edwards  <pme@sources.redhat.com>

        * linux.h (CPLUSPLUS_CPP_SPEC):  Move -D_GNU_SOURCE to here.
        * pa/pa-linux.h:  Allow CPLUSPLUS_CPP_SPEC to remain.

2001-06-08  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/contrib.texi: Add copyright notice.

2001-06-08  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/md.texi: Use four digit years in copyright notice.

2001-06-08  Joseph S. Myers  <jsm28@cam.ac.uk>

        * config.gcc: For $target_alias of athlon-*, set
        target_cpu_default2=5.

Thu Jun  7 16:17:40 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
        end of last block if last real insn is a JUMP_INSN.

2001-06-07  Joseph S. Myers  <jsm28@cam.ac.uk>

        * NEWS: Regenerate.

2001-06-07  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
        pthread_t to objc_thread_t.
        (__gthread_objc_thread_id): Likewise.

2001-06-07  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
        (ASM_OLDAS_SPEC): Likewise.

        * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
        (CPP_SUBTARGET_SPEC): Use it.
        (ASM_OLDAS_SPEC): Define.
        (ASM_SPEC): Use it.
        (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.

2001-06-07  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
        passed by reference.

2001-06-07  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
        Document use of N_(...), and show it in examples.  Note that
        documentation should be added to invoke.texi.  Avoid an overfull
        hbox.

Thu Jun  7 17:09:50 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * toplev.c (rest_of_compilation): Revert previous patch.
        * final.c (shorten_branches): Likewise.

2001-06-07  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
        Remove.

2001-06-07  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/install-old.texi: Remove more obsolete documentation.

Thu Jun  7 13:20:14 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.

Thu Jun  7 12:12:58 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * toplev.c (rest_of_compilation): Call split_all_insns
        before reg-stack and shorten-branches. Do shorten-branches
        after reg-stack.
        * final.c (shorten_branches): Remove insn splitting code.

2001-06-07  Nathan Sidwell  <nathan@codesourcery.com>

        * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
        * configure: Rebuilt.

2001-06-07  Andreas Jaeger  <aj@suse.de>

        * emit-rtl.c (operand_subword): Remove unused variable.

Wed Jun  6 14:51:05 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * i386.md (floatdi?f): Avoid usinf of SSE instructions
        if TARGET_64BIT is false.
        (floatdi?f_i386_only): New insn.
        (floatdi?f_i386): Disable for !TARGET_64BIT.

        * (min?f, max?f splitters): Handle case where
        operands are cross-matched.

        * i386.h (HI_REGISTER_NAMES): Remove redundant definition
        (MMX_REGISTER_NAMES): Kill.
        (PRINT_OPERAND): Fix comment.
        (PRINT_REG): Likewise.
        * i386.c (print_reg): Kill support for 'm' CODE; simplify.
        (print_operand): Update comment; kill 'm'.

        * i386.c (x86_branch_hints): New global variable
        (print_operand): Support outputting of branch prediction hints.
        * i386.md (conditional jump patterns): Add branch prediction hints
        to the template.
        * i386.h (x86_branch_hints): Declare
        (TARGET_BRANCH_PREDICTION_HINTS): New macro.
        (PRINT_OPERAND_FUNCT_VALID_P): New.
        * final.c (final_forward_branch_p): New function.

2001-06-06  Richard Henderson  <rth@redhat.com>

        * flow.c (mark_used_reg): Clean up looping over multiple hard
        registers.  Do conditional life bits across multiple hard regs.

2001-06-05  Jeffrey D. Oldham  <oldham@codesourcery.com>

        * reload1.c (reload): Revert Schmidt's change so all USEs are not
        deleted during reload.

2001-06-05  Mark Mitchell  <mark@codesourcery.com>

        * c-semantics.c (genrtl_scope_stmt): Write out nested inline
        functions here, instead of ...
        * c-decl.c (c_expand_body): ... here.

2001-06-05  David O'Brien  <obrien@FreeBSD.org>

        * config.gcc, config/sparc/bsd.h:  Do not directly include
        sparc/sparc.h.  Instead do it via tm_file.

2001-06-05  Richard Henderson  <rth@redhat.com>

        * dwarf2.h (DW_EH_PE_aligned): New.
        * dwarf2asm.c (eh_data_format_name): Name it.
        (dw2_asm_output_encoded_addr_rtx): Align for it.
        * dwarf2out.c (output_call_frame_info): Handle it for personality
        routine and LSDA pointers.

        * unwind-pe.h (DW_EH_PE_aligned): New.
        (base_of_encoded_value): Handle it.
        (read_encoded_value_with_base): Likewise.
        * unwind-dw2-fde.c (base_from_object): Likewise.
        (get_cie_encoding): Likewise.

        * config/alpha/elf.h: Remove ecoff commentary.
        * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.

2001-06-05  David O'Brien  <obrien@FreeBSD.org>

        * config.gcc, config/i386/bsd386.h:  Do not directly include
        i386/386bsd.h.  Instead do it via tm_file.

2001-06-05  David O'Brien  <obrien@FreeBSD.org>

        * elfos.h (USING_ELFOS_H):  Identify the use of elfos.h in the same
        way svr4.h does.

2001-06-05  Pascal Obry  <obry@act-europe.fr>

        * configure.in: Quote $enable_win32_registry in case the value has
        spaces in it.
        * configure: Ditto.

2001-06-05  Mark Mitchell  <mark@codesourcery.com>

        * print-rtl.c (xspaces): Remove.
        (print_rtx): Use printf field-width, rather than xpsaces, to
        indent.
        * toplev.c (main): Disable sibling-call optimization if we are
        handling exceptions.
        
2001-06-05  Bernd Schmidt  <bernds@redhat.com>

        * reload1.c (reload): Delete all USEs generated during reload.

2001-06-05  scott snyder  <snyder@fnal.gov>

        * gccbug.in:  Fix typo.

2001-06-05  Andreas Jaeger  <aj@suse.de>

        * builtins.def: Fix definition of __builtin_cosf, it uses float as
        parameter and return value.

2001-06-04  Anthony Green  <green@redhat.com>

        * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
        machine.  This is now done in sparc.h.

2001-06-05  Nathan Sidwell  <nathan@codesourcery.com>

        Correct CVS resurrection of invoke.texi.
        * doc/invoke.texi: Document new tree dump flags.

2001-06-05  Joseph S. Myers  <jsm28@cam.ac.uk>

        * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
        for casting an aggregate to its own type.  Fixes PR c/2735.

2001-06-05  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/texinfo.tex: Update to version 2001-05-24.08.

2001-06-05  Nathan Sidwell  <nathan@codesourcery.com>

        * c-common.h (flag_dump_translation_unit): Remove.
        (enum tree_dump_index): Define.
        (TDF_ADDRESS, TDF_SLIM): New #defines.
        (dump_node_to_file): Remove.
        (dump_node): Make extern. Add flags.
        (dump_flag, dump_enabled_p, dump_begin, dump_end,
        dump_switch_p): Prototype.
        * c-common.c (flag_dump_translation_unit): Remove.
        * c-decl.c (c_decode_option): Remove -fdump-translation-unit
        logic. Use dump_switch_p.
        * c-dump.h (struct dump_info): Add node and user fields.
        (dump_pointer): Declare.
        * c-dump.c (dump_node): Make extern. Add flags.
        (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
        (dump_new_line, dump_maybe_newline): Use them.
        (dump_pointer): New function.
        (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
        chain or function's body. Dump address, if TDF_ADDRESS set.
        (dump_flag): Define.
        (dump_node_to_file): Remove.
        (struct dump_file_info): New struct.
        (dump_files): New array.
        (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
        * c-lang.c (finish_file): Adjust dumping.
        * toplev.h (dump_base_name): Make extern.
        * invoke.texi: Document new flags.

2001-06-04  Mark Mitchell  <mark@codesourcery.com>

        * c-tree.h (lang_decl): Add pending_sizes fields.
        * c-decl.c (store_parm_decls): Save pending_sizes away for nested
        functions.
        (c_expand_body): Expand them.
        (lang_mark_tree): Mark lang_decl:pending_sizes.
        * function.c (expand_pending_sizes): New function, broken out
        from ...
        (expand_function_start): ... here.
        * tree.h (expand_pending_sizes): Declare it.

2001-06-04  Loren J. Rittle  <ljrittle@acm.org>

        * doc/install.texi: Update FreeBSD information.  Generalize
        and update information for alpha-based platforms using ELF.

2001-06-04  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
        (store_parm_decls): Likewise.
        * c-typeck.c (convert_arguments): Likewise.

2001-06-04  Richard Henderson  <rth@redhat.com>

        * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
        optimization if current_function_calls_setjmp.

2001-06-04  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
        wide strings.

Mon Jun  4 20:44:25 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * simplify-rtx.c (simplify_subreg): Fix combining of
        paradoxical subregs.

Mon Jun  4 20:15:25 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
        (no_labels_between_p): Short circuit case beg==end.

Mon Jun  4 20:03:05 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * rtlanal.c (operand_preference): Fix preference for objects.

Mon Jun  4 20:00:40 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * gcse.c (handle_avail_expr): Be prepared to handle single_set
        parallels.

Mon Jun  4 19:59:46 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * combine.c (if_then_else_cond): Use simplify_subreg instead
        of operand_subword.
        * integreate.c (sub_constants): Likewise.

Mon Jun  4 19:59:12 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * emit-rtl.c (constant_subword): Deprecate; remove most of code
        and use simplify_gen_subreg.

Mon Jun  4 19:55:23 CEST 2001  Lars Brinkhoff  <lars@nocrew.org>

        * sibcall.c (skip_copy_to_return_value): recognize the situation
        when the called function's return value is copied into an
        intermediate pseudo, and then into the calling functions return
        value register.

Mon Jun  4 16:50:33 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
        check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
        in case register wasn't OK previously, accept it now; allow
        subregs of frame pointer if reload completed and frame pointer
        is not needed.

        * combine.c (sombine_simplify_rtx): Fix comment;
        use subreg_lowpart_offset instead of subreg_lowpart_p
        (gen_lowpart_for_combine): Use subreg_lowpart_offset.
        * rtl.h (subreg_lowpart_parts_p): Kill.
        (subreg_lowpart_offset, subreg_highpart_offset): Declare.
        * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
        * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
        (gen_lowpart_common): Likewise.
        (subreg_lowpart_p): Likewise.
        (subreg_lowpart_parts_p): Kill.
        (subreg_lowpart_offset, subreg_highpart_offset): New function.

        * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
        to simplify SUBREG and REG.
        (gen_highpart): Use simplify_gen_subreg for all simplifications.

        * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
        CONCAT specially.

        * rtlanal.c (replace_regs):  Use simplify_gen_subreg

Mon Jun  4 09:21:19 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
        (ARRAY_RANGE_REF): Added description.

        * tree.def (ARRAY_RANGE_REF): New code.
        * alias.c (handled_component_p, can_address_p): Handle it.
        * dwarf2out.c (loc_descriptor_from_tree): Likewise.
        * explow.c (set_mem_attributes): Likewise.
        * expr.c (expand_assignment, get_inner_reference): Likewise.
        (expand_expr, expand_expr_unaligned, do_jump): Likewise.
        * fold-const.c (operand_equal_p): Likewise.
        * tree.c (staticp, stabilize_reference): Likewise.
        * varasm.c (decode_addr_const): Likewise.

Sun Jun  3 21:59:51 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
        (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.

2001-06-03  kaz Kojima  <kkojima@rr.iij4u.or.jp>

        * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
        mark_constant_pool_use before output_addr_const.
        (struct pool_node): New field wend.
        (add_constant): Note a sequence of constants that are referenced
        by a given label.
        (pool_window_label, pool_window_last): New variables.
        (dump_table): Emit a unspec_volatile representing the end of a
        sequence of constants.
        (mark_constant_pool_use): New function.
        * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
        (consttable_2): Add the second operand which flags whether
        this consttable entry was used or not.
        (consttable_4, consttable_8, consttable_sf, consttable_df):
        Likewise.
        (consttable_window_end): New insn.

2001-06-03  Alexandre Oliva  <aoliva@redhat.com>

        * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
        Reformat according to coding standards.

        Warning removal.
        * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
        (shl_and_kind): Cast wide constant.
        (gen_far_branch): Define as static, as in declaration.
        (barrier_align): Compute cache-line length as unsigned.  Add
        parentheses in initial credit computation.
        (rounded_frame_size): Add parentheses.
        (permanent_obstack): Remove declaration.  Include ggc.h for
        declaration of ggc_add_root_rtx().
        (get_free_reg): Removed declaration of unused variable reg.
        (legitimize_pic_address): Mark mode argument as unused.

2001-06-03  Igor Shevlyakov  <igor@windriver.com>

        * config/sh/sh.c (output_branch): Support for insn with lenght
        attr 12 & 16 which represents cond branches outside +-4096 range.

2001-06-03  Alexandre Oliva  <aoliva@redhat.com>

        * config/sh/lib1funcs.asm (ic_invalidate): Align the
        cache-mirroring sequence.  Add nops.

2001-06-03  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/install-old.texi: Remove more old installation
        documentation.
        * doc/install.texi: Add relevant parts here.

2001-06-03  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/install.texi2html: New script.

2001-06-03  David Edelsohn  <edelsohn@gnu.org>

        * doc/install.texi: Update AIX information again.

2001-06-02  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
        installation documentation.
        * doc/install.texi: Move it to here.

2001-06-02  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/install.texi: Clean up Texinfo markup.

2001-06-02  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
        to just after title page.

2001-06-02  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/install-old.texi: Remove documentation of some configuration
        options.
        * doc/install.texi: Add relevant parts of this documentation here.

2001-06-02  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
        Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.

Sat Jun  2 12:23:51 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * i386.md (all uses of ext_register_operand): Make sure they are
        VOIDmode; replace all uses outside zero_extend.
        (and?i splitters): Use ext_register_operands.
        (test?i peep2): Remove ignored constraints.
        * i386.c (ext_register_operand): Check that operand is
        eighter pseudo or hard or 'Q' register.

Sat Jun  2 06:53:50 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree.h (struct record_layout_info_s): New field unpadded_align.
        (set_lang_adjust_rli): New declaration.
        * stor-layout.c (layout_decl): If DECL is packed, but at alignment
        it would have if not packed, do not downgrade DECL_ALIGN.
        (lang_adjust_rli, set_lang_adjust_rli): New.
        (start_record_layout): Initialize new field unpadded_align.
        (debug_rli): Display it.
        (place_union_field, place_field): Set it.
        (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.

        * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
        mean that; use proper names instead.
        Print DECL_NO_STATIC_CHAIN.

        * except.c (expand_builtin_frob_return_addr): Add missing call
        to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
        (expand_builtin_eh_return): Likewise.
        (expand_eh_return): Clean up ptr_mode != Pmode cases.

2001-06-01  Jan van Male  <jan.vanmale@fenk.wau.nl>

        * doc/invoke.texi: Remove references to papers about sequence points
        to readings.html, refer to that page.

2001-06-01  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * README: Update references to installation instructions.

2001-06-01  Laurent Guerby  <guerby@acm.org>
            Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/install.texi: Define srcdir when sources come from CVS.
        Significantly improve markup.  Wrap overly long lines

2001-06-01  DJ Delorie  <dj@redhat.com>

        * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
        extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
        objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
        gcov.1: Move to doc subdirectory.
        * install.texi: Move to doc/install-old.texi.
        * gcc.texi: Move to doc, refer to install-old.texi.
        * Makefile.in: Reflect move of docs to doc/.
        * f/Make-lang.in: Ditto.
        * java/Make-lang.in: Ditto.
        * doc/.cvsignore: New.

2001-05-31  Jan van Male  <jan.vanmale@fenk.wau.nl>

        * invoke.texi: use two spaces between command options, eliminate
        some 'overfull hboxes'

2001-06-01  Hans-Peter Nilsson  <hp@axis.com>

        * Makefile.in (s-mlib): Make backtick-commands always succeed.
        (DRIVER_DEFINES): Ditto.

2001-05-31  Richard Henderson  <rth@redhat.com>

        * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
        also link against libgcc.a.

2001-05-31  Geoff Keating  <geoffk@cygnus.com>

        * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
        * config/mips/mips.c (mips_output_ascii): New function.
        * config/mips/mips-protos.h (mips_output_ascii): Prototype.

        * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.

Thu May 31 19:09:53 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * flow.c (set_block_for_new_insns): Remove bogus shortcut.
        * i386.c (ix86_expand_int_movcc): Force one of operands to be register.

2001-05-31  Rodney Brown  <rbrown64@csc.com.au>

        * install.texi (Configuration): Add html links for --with-gnu-as &
        --with-gnu-ld and refer to them from hppa & SCO triplets.
        (Specific): Link back to with-gnu-ld for all ELF platfoms.
        (Specific): Reword AVR binutils recommendation.

2001-05-30  Zack Weinberg  <zackw@stanford.edu>

        * ggc-page.c (size_lookup): Increase minimum allocation size
        to eight bytes.
        (ggc_print_statistics): Report size of each bin in bytes, not
        as its order; there is no longer a direct relationship.

2001-05-31  Jan van Male  <jan.vanmale@fenk.wau.nl>

        * extend.texi: Fix formating of examples, eliminate some
        'overfull hboxes'.
        * gcc.texi: Eliminate some 'overfull hboxes'.
        * invoke.texi: Use two spaces between command options, eliminate
        some 'overfull hboxes'.

2001-05-30  Richard Henderson  <rth@redhat.com>

        * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.

2001-05-30  Tom Tromey  <tromey@redhat.com>

        * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
        use it in the new association.

2001-05-30  Loren J. Rittle  <ljrittle@acm.org>
            John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * gthr-posix.h (__gthread_active_ptr): Cast function pointer
        to target type to allow ISO C++ compiler to accept it.
        * gthr-dce.h (__gthread_active_ptr): Likewise.
        * gthr-solaris.h (__gthread_active_ptr): Likewise.

2001-05-30  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
        so that we do accept comments in preprocessed input.

2001-05-30  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cpphash.c (alloc_node): Cast allocated pointer.

2001-05-30  Gordon Sadler <gbsadler1@lcisp.com>

        * invoke.texi (Option Summary): Remove -isystem-c++ from options.

2001-05-29  Stan Shebs  <shebs@apple.com>

        * gcc.texi: Add links for information about Objective-C.

2001-05-29  Nathan Sidwell  <nathan@codesourcery.com>

        * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
        /bin/sed fails on [^\"]).
        (configargs.h): Likewise.

2001-05-29  Hartmut Schirmer <SchirmerH@Innovative-Systems.de>

        * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.

2001-05-28  Stan Shebs  <shebs@apple.com>

        * objc/objc.gperf: Remove, no longer used.

2001-05-28  Joseph S. Myers  <jsm28@cam.ac.uk>

        * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
        gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
        Remove trailing whitespace.

2001-05-28  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
        became http://freeware.sgi.com/.

2001-05-27  Geoffrey Keating  <geoffk@redhat.com>

        * local-alloc.c (update_equiv_regs): Don't eliminate constant
        expressions at -O0.

2001-05-27  Stan Shebs  <shebs@apple.com>

        * objc/objc-act.c: Add/fix various comments.
        (init_selector): Remove, no longer used.
        (build_msg_pool_reference): Ditto.
        (objc_debug): Ditto.

2001-05-27  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-decl.c (init_decl_processing):
         Don't call start_identifier_warnings.
        * flags.h (warn_id_clash, id_clash_len): Remove.
        * stringpool.c: Don't include flags.h.
        (scan_for_clashes, do_identifier_warnings,
        start_identifier_warnings): Remove.
        * toplev.c (warn_id_clash, id_clash_len): Remove.
        (display_help): Don't document -Wid-clash.
        (decode_W_option): Print warning on -Wid-clash.
        * tree.h (start_identifier_warnings): Remove.
        * invoke.texi: Remove documentation of -Wid-clash.

2001-05-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * fixinc/fixtests.c: Declare entries in ENV_TABLE.

2001-05-27  Bruce Korb  <bkorb@gnu.org>

        * fixinc/check.tpl(HACK) add and use a Scheme variable
        (has no test text): error out if no "test_text" is defined
        * fixinc/fixincl.tpl: likewise
        (FIXIDX): make it an enumeration so we minimize diffs
        * fixinc/inclhack.def: re-alphabetize and add sort instructions
        * fixinc/fixincl.x: regenerate
        * fixinc/tests/base/stdio.h: test output got moved due to
        the alphabetizing
        * README-fixinc: rewrite (mostly)

2001-05-27  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cpplib.c (run_directive): Set pfile->directive.

2001-05-23  Theodore Papadopoulo  <Theodore.Papadopoulo@sophia.inria.fr>

        * c-tree.texi: Reformat the manual as a single chapter now
        included by gcc.texi.
        * gcc.texi: Include c-tree.texi. Merge all indexes.
        * Makefile.in (dvi): Add generation for the cppinternals
        documentation. Added dependencies on fdl.texi and c-tree.texi
        where appropriate.  Use TEXI2DVI instead of custom tex calls.
        (info): Added dependencies on fdl.texi and c-tree.texi where
        appropriate.  Remove the target c-tree.info.

2001-05-27  Lars Brinkhoff  <lars@nocrew.org>

        * combine.c (try_combine): Fix typo in comment.
        * expr.c (expand_expr): Likewise.
        * config/i370/i370.md (untyped_call): Likewise.

2001-05-26  Bruce Korb  <bkorb@gnu.org>

        * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
        when fixincl is operating in test mode
        * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
        (AAB_ultrix_limits): remove redundant text
        (AAB_ultrix_memory): ditto
        (AAB_ultrix_string): ditto
        (djgpp_wchar_h): fix the test text
        (irix_stdio_va_list): add test text
        (irix_limits_const): add a testing output file (limits.h is overwritten)
        (strict_ansi_not_ctd): put limits.h second in list for same reason
        (solaris27_mutex_init): test text needed selection text, too

        * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
        when fixincl is operating in test mode

2001-05-26  Philip Blundell  <philb@gnu.org>

        * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
        * config/i960/i960-protos.h: Likewise.
        * config/i370/i370-protos.h: Likewise.
        * config/h8300/h8300-protos.h: Likewise,
        * config/sh/sh-protos.h: Likewise.
        * config/v850/v850-protos.h: Likewise.

2001-05-26  Philip Blundell  <philb@gnu.org>

        * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.

2001-05-25  Zack Weinberg  <zackw@stanford.edu>

        * toplev.c (debug_args, f_options, W_options): Mark
        descriptions for translation.
        (display_help): Translate descriptions on output.

        * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
        objc/lang-options.h: Mark descriptions for translation.

        * aclocal.m4: Quote final argument of patsubst.  Use
        3-argument form of AC_DEFINE.  Restore quotes to [] while
        using AC_FD_CC.
        * configure.in: Remove unnecessary changequote calls.
        * configure, config.in: Regenerate.

2001-05-25  Sam TH  <sam@uchicago.edu>

        * basic-block.h: Fix header include guards.
        * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
        cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
        except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
        gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
        gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
        insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
        rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
        varray.h version.h: Likewise.
        * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
        config/arm/arm.h config/c4x/c4x-protos.h
        config/h8300/h8300-protos.h config/h8300/h8300.h
        config/i370/i370-protos.h config/i370/i370.h
        config/i960/i960-protos.h config/mcore/mcore.h
        config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
        config/v850/v850-protos.h config/v850/v850.h: Likewise.
        * fixinc/fixlib.h fixinc/server.h: Likewise.

2001-05-25  Stacey Sheldon  <ssheldon@Catena.com>

        * config/arc/initfini.c (.init): Fix typo.

2001-05-25  Geoffrey Keating  <geoffk@redhat.com>

        * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.

2001-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.

2001-05-25  Richard Henderson  <rth@redhat.com>

        * libgcc-std.ver: Export XFmode and TFmode versions of symbols.

2001-05-25  Richard Henderson  <rth@redhat.com>

        * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
        (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
        (sparc*-*-solaris2): Likewise.
        * config/t-linux: Remove shared libgcc macros.
        * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
        * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.

2001-05-25  Loren J. Rittle  <ljrittle@acm.org>

        * config.gcc (*-*-freebsd*): Report bad configuration.

2001-05-25  David Edelsohn  <edelsohn@gnu.org>

        * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.

        * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
        any prefix.
        (ASM_OUTPUT_LABELREF): Delete.

2001-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
        strict_ansi_only): Don't run if stdc_0_in_system_headers.
        * fixinc/fixincl.x: Regenerate.
        * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
        (FIX_TEST_TABLE): Declare it.
        * fixinc/fixlib.h: Include config.h.

2001-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * fixinc/inclhack.def (alpha___assert): Change char * args to
        const char * on Tru64 UNIX to avoid excessive warnings from
        assert.h.
        * fixinc/fixincl.x: Regenerate.

2001-05-25  Geoff Keating  <geoffk@redhat.com>

        * dbxout.c (dbxout_symbol): Invert previous patch, which was
        outputting a tag only for variable-size records.

2001-05-25  Jeff Knaggs  <jknaggs@redhat.com>

        * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
        instead of rtx_equal_p for early clobber test.

2001-05-26  Mark Mitchell <mark@codesourcery.com>

        * builtins.def: Encode additional information, such as names and
        types, here.
        * builtin-types.def: New file.
        * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
        (built_in_decls): Likewise.  Don't explicitly initialize global
        data to NULL.
        (expand_builtin_mathfn): Handle float and long double variants of
        math builtins.
        (expand_builtin): Likewise.
        * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
        (expand_tree_builtin): Handle long, long long, float, and long
        double variants of math functions.
        * c-common.h (c_tree_index): Remove some unused nodes.
        (void_ftype): Remove.
        (void_type_ptr): Likewise.
        (int_ftype_int): Likewise.
        (ptr_ftype_sizetype): Likewise.
        * c-decl.c (init_decl_processing): Remove creation of DWARF
        builtins.
        * defaults.h (MD_INIT_BUILTINS): Provide default definition.
        * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
        * Makefile.in (c-common.o): Depend on builtin-types.def.

2001-05-25  Dale Johannesen  <dalej@apple.com>

        * config/rs6000/t-darwin: Fix dependencies for darwin.o.

2001-05-25  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-parse.in (notype_initdcl): Remove redundant line.

2001-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * aclocal.m4: Fixed typo.
        (gcc_AC_HEADER_STDBOOL): Define.
        (gcc_AC_C__BOOL): Define.
        * configure.in: Use them.
        (AC_CHECK_HEADERS): Remove stdbool.h
        * configure, config.in: Regenerate.

2001-05-25  Richard Henderson  <rth@redhat.com>

        * function.c (expand_function_start): Don't abort on PARALLEL
        returns from hard_function_value.

2001-05-25  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md: Revert previous change.  Do not apply
        the peephole if the components do not die after the sequence.

2001-05-25  Joseph S. Myers  <jsm28@cam.ac.uk>

        * c-parse.in (array_declarator): New.  Handle C99 constructs.
        Don't restrict [*] declarators to C only.
        (after_type_declarator, parm_declarator_starttypename,
        parm_declarator_nostarttypename, notype_declarator,
        direct_absdcl1): Use it.
        * c-decl.c (build_array_declarator, set_array_declarator_type):
        New functions.  Warn that [*] isn't properly implemented; pedwarn
        for [*] outside C99 mode if pedantic rather than giving a hard
        error.
        (grokdeclarator): Handle static and type qualifiers in parameter
        array declarators.
        * c-tree.h (build_array_declarator, set_array_declarator_type):
        Declare.
        * extend.texi (Attribute Syntax): Document attributes in parameter
        array declarators.

2001-05-25  Mark Mitchell  <mark@codesourcery.com>

        * config/i386/i386.md: Make sure cmpstr peepholes do not
        affect liveness information.

2001-05-24  Mark Mitchell  <mark@codesourcery.com>

        * c-typeck.c (digest_init): Issue error messages about
        invalid constants, not warnings.

2001-05-24  Mark Mitchell  <mark@codesourcery.com>

        * invoke.texi (-fno-builtin): Document that this is always on
        in C++.

2001-05-24  Philip Blundell  <philb@gnu.org>

        * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
        required.

2001-05-24  Philip Blundell  <philb@gnu.org>

        * config/arm/arm.c (output_return_instruction): Correctly handle
        interworking and interrupt functions.

2001-05-24  Philip Blundell  <philb@gnu.org>

        * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
        -m{no-}sched-prolog.  Fix typos and improve formatting.

2001-05-24  Philip Blundell  <philb@gnu.org>

        * invoke.texi (ARM Options): Improve wording slightly.  Add
        documentation for more options, including those for Thumb mode.
        Don't mention options that don't exist or are unimplemented.
        (Thumb Options): Delete; merged into above section.

2001-05-24  Geoff Keating  <geoffk@redhat.com>

        * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
        (MD_FALLBACK_FRAME_STATE_FOR): Use it.

Thu May 24 19:47:19 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
        fix hard register simplification.

Thu May 24 00:15:17 2001  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
        of just copying CPP_CPU_SPEC.

Thu May 24 15:56:48 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * i386.c (incdec_operand): Accept only 1 and -1.

2001-05-23  Kelley Cook  <kelley.cook@home.com>

        * Makefile.in: Move many of the *_H definitions eariler in the
        file, so that rules in t-* files that use them for
        dependencies will work in a parallel build.
        * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).

2001-05-23  Richard Henderson <rth@redhat.com>

        * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.

2001-05-23  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cpp.texi: Update for handling of charconsts.
        * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF.  Update
        diagnostics.  Skip to the end if the UCS is too short.
        (cpp_interpret_charconst): Long charconsts issue a warning
        not an error.

2001-05-23  Richard Henderson  <rth@redhat.com>

        * doc/install.texi (alpha-linux): Require binutils 2.11.

2001-05-23  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-lex.c (read_escape, read_ucs): Delete.
        (lex_string): Use cpp_parse_escape.
        * cpplex.c (read_ucs): Rename maybe_read_ucs.  Do nothing
        if not C++ or not C99.  Warn if traditional.
        (parse_escape): Rename cpp_parse_escape.  Make the bitmask
        unsigned.  Warn for out-of-range escape sequences here.
        Update to use maybe_read_ucs.
        (cpp_interpret_charconst):  Don't warn here.
        * cpplib.h (cpp_parse_escape): New exported function.

2001-05-23  Joseph S. Myers  <jsm28@cam.ac.uk>

        * extend.texi (Attribute Syntax): Clarify application of
        attributes to parameters declared as functions or arrays.

2001-05-23  Jason Merrill  <jason_merrill@redhat.com>

        * dbxout.c (dbxout_type_methods): Do still group methods by name.

2001-05-23  Zack Weinberg  <zackw@stanford.edu>

        * diagnostic.c (vnotice): Kill.
        (fnotice): Call vfprintf directly.
        (diagnostic_for_decl, output_do_verbatim, output_verbatim,
        verbatim, set_diagnostic_context): Rename string argument to
        indicate that it is run through gettext.
        (vbuild_message_string, build_message_string, output_do_printf):
        Rename string argument to indicate that it is NOT run through
        gettext.
        (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
        output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
        Run msgid argument through gettext.
        (default_print_error_function): Run constant strings through
        gettext when nothing else will.
        (fatal_error, internal_error, error_recursion): Use fnotice.
        Present complete sentences to gettext.

2001-05-23  Mark Mitchell  <mark@codesourcery.com>

        * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.

2001-05-23  Richard Henderson  <rth@redhat.com>

        * function.c (expand_function_start): Always use a pseudo
        for the function result value.

2001-05-22  Richard Henderson  <rth@redhat.com>

        * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
        section pointer alignment.

        * doc/install.texi (alpha-linux): Require binutils >= 2.10.

        * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
        of __USER_LABEL_PREFIX__.

2001-05-22  Richard Henderson  <rth@redhat.com>

        * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
        (__deregister_frame_info_bases): New.
        * unwind-dw2-fde.h: Declare it.
        * libgcc-std.ver: Export it.
        * crtstuff.c (__do_global_dtors_aux): Call it if we would have
        called __register_frame_info_bases.

2001-05-22  Loren J. Rittle  <ljrittle@acm.org>

        * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
        instead of #elif (which is OK for this case but not in general).

2001-05-22  Andrew MacLeod  <amacleod@redhat.com>

        * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
        * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
        parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
        * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
        "r2" to the assembly file. Only issue allocs with non-zero parameters.

2001-05-22  Loren J. Rittle  <ljrittle@acm.org>
            David O'Brien  <obrien@freebsd.org>

        * config/freebsd.h (LIB_SPEC): Key the exact setting to
        configure-time options and target version of FreeBSD.  Set-up
        to match architectural change in threading support.  Correctly
        report when -pthread option is not supported by configure-time
        options.
        (FBSD_CPP_PREDEFINES): Move from architecture-specific files
        and extend to encode target version number in run-time setting
        of __FreeBSD__ macro to match the system compiler.
        (CPP_PREDEFINES): Likewise.
        (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.

        * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
        * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.

2001-05-22  Loren J. Rittle  <ljrittle@acm.org>
            David O'Brien  <obrien@freebsd.org>

        * config.gcc (the unlabeled system switch statement): Add
        generic configuration section to handle *-*-freebsd*.  Also,
        to match the system compiler, default to threading support (it
        may be disabled with the standard --disable-threads
        configuration-time switch).
        (i[34567]86-*-freebsd* in machine-specific section): Use it.
        (alpha*-*-freebsd* in machine-specific section): Likewise.

        * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
        * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
        * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
        * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
        * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.

2001-05-22  Loren J. Rittle  <ljrittle@acm.org>
            David O'Brien  <obrien@freebsd.org>

        * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
        * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
        -pthread instead setting macro.

2001-05-22  Richard Henderson  <rth@redhat.com>

        * crtstuff.c (__register_frame_info_bases): Declare.
        (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
        (__do_global_dtors_aux, __do_global_dtors): Streamline.

        * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
        (CRT_GET_RFIB_DATA): New.
        * config/i386/sysv4.h: Likewise.
        * config/i386/sco5.h: Likewise.
        (ASM_PREFERRED_EH_DATA_FORMAT): New.

2001-05-22  Richard Henderson  <rth@redhat.com>

        * rtl.c (read_string): Break out from ...
        (read_rtx): ... here.

2001-05-22  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/install.texi (Specific): Remove a bogus and duplicate part
        copied from the end of the document.

2001-05-22  Bernd Schmidt  <bernds@redhat.com>

        * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.

2001-05-22  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * install.texi: Remove obsolete information on SunOS as well as
        i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
        (Installing GNU CC on the Sun): Remove section.

2001-05-22  Alexandre Oliva  <aoliva@redhat.com>

        * cppfiles.c (remove_component_p): Don't assume lstat/stat will
        keep errno unchanged on success.

2001-05-22  Joseph S. Myers  <jsm28@cam.ac.uk>

        * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
        once for hexadecimal floats, whether or not they contain a decimal
        point.  Don't let the setting of pedantic otherwise affect the
        parsing of hexadecimal floats.

2001-05-22  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * README.ACORN: Remove obsolete file.

2001-05-22  Jan Hubicka  <jh@suse.cz>

        * combine.c (gen_binary): Use swap_commutative_operands_p
        (simplify_comparison): Likewise.
        * expmed.c (emit_store_flag): Likewise.
        * expr.c (compare_from_rtx): Likewise.
        (do_compare_rtx_and_jump): Likewise.
        * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
        if not emitting a branch and operands want swapping.

2001-05-22  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
        * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
        (maybe_get_identifier): Update.
        * tree.h (make_identifier): Delete.

2001-05-21  Richard Henderson  <rth@redhat.com>

        * combine.c (subst): Do not substitute for a register as
        a destination subreg/strict_low_part/zero_extract.

        * combine.c (simplify_comparison): Update op1 after constant
        extension.
        * recog.c (const_int_operand): Accept only constants valid
        for the given mode.
        * genrecog.c: Update comments wrt const_int_operand.

        * emit-rtl.c (init_emit_once): Zero unused memory in a
        CONST_DOUBLE.

2001-05-21  Mark Mitchell  <mark@codesourcery.com>

        * tree.h (type_num_arguments): Declare it.
        * tree.c (type_num_arguments): New function.

2001-05-21  Richard Henderson  <rth@redhat.com>

        * dwarf2out.c (current_funcdef_number): Move outside dwarf2
        conditional ifdef.

2001-05-21  Geoff Keating  <geoffk@redhat.com>

        * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
        (maxsf3+1): Delete.
        (minsf3): Use rs6000_emit_minmax.
        (minsf3+1): Generalize to handle both SMIN and SMAX.  Use
        rs6000_emit_minmax.
        (movsfcc): Use rs6000_emit_cmove.
        (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
        Don't generate emit_fselsfsf4.
        (fseldfsf4): Likewise.
        (maxdf3): Use rs6000_emit_minmax.
        (maxdf3+1): Delete.
        (mindf3): Use rs6000_emit_minmax.
        (mindf3+1): Generalize to handle both SMIN and SMAX.  Use
        rs6000_emit_minmax.
        (movdfcc): Use rs6000_emit_cmove.
        (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
        Don't generate emit_fselsfsf4.
        (fselsfdf4): Likewise.
        * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
        (min_max_operator): New predicate.
        (rs6000_emit_cmove): New function.
        (rs6000_emit_minmax): New function.
        * config/rs6000/rs6000-protos.h: Prototype new functions.
        * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
        and min_max_operator.

        * config/rs6000/rs6000.c (output_cbranch): Handle all
        conditional types in the switch statement.

2001-05-21  Mark Mitchell  <mark@codesourcery.com>

        * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
        non-register variables.
        * extend.texi: Document that asm-specifications do not make sense
        for non-static local variables.

2001-05-21  Jason Merrill  <jason_merrill@redhat.com>

        * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
        (dbxout_type_fields): Lose minimal_debug support.
        (dbxout_type_methods, dbxout_type): Likewise.

2001-05-17  Andrew Haley  <aph@redhat.com>

        * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.

2001-05-21  Richard Henderson  <rth@redhat.com>

        * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
        Update all users.

2001-05-20  Richard Henderson  <rth@redhat.com>

        * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
        DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
        DEBUG_STR_SECTION): Rename from s/DEBUG_//.  Update all users.
        * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
        DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
        Likewise.
        * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
        DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
        DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
        (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
        * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
        DEBUG_PUBNAMES_SECTION): Rename as above.
        (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.

2001-05-20  Richard Henderson  <rth@redhat.com>

        * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
        operands unless the operation is commutative.

2001-05-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
        cases.

2001-05-21  Joseph S. Myers  <jsm28@cam.ac.uk>

        * extend.texi: Clarify documentation of extensions included in ISO
        C99.  Prefer C99 terminology and syntax to old GNU terminology and
        syntax.  Add more index entries.  Document mixed declarations and
        code as an extension in C89 mode.  Warn about future changes to
        semantics of inline functions.  Fixes PR other/930.

Sun May 20 16:39:24 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
        access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
        (expand_expr, case COMPONENT_REF): Do copy if misaligned even
        if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.

        * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.

2001-05-20  Richard Henderson  <rth@redhat.com>

        * sched-deps.c (sched_analyze_insn): Force volatile memory reads
        to be output before a branch.

2001-05-20  Richard Henderson  <rth@redhat.com>

        * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).

2001-05-20  Richard Henderson  <rth@redhat.com>

        * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
        (ASM_DOUBLE): Remove.
        * config/i386/bsd.h, config/i386/sco5.h: Likewise.
        * config/i386/sun386.h: Likewise.

        * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
        (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.

        * config/i386/cygwin.h (INT_ASM_OP): Remove.
        * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
        * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
        * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.

        * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
        * config/i386/djgpp.h, config/i386/i386.h: Likewise.
        * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
        * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
        * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
        * config/i386/win32.h: Likewise.

2001-05-20  Joseph S. Myers  <jsm28@cam.ac.uk>

        * invoke.texi: Add more options to summary list.

2001-05-20  Joseph S. Myers  <jsm28@cam.ac.uk>

        * invoke.texi: Document meaning of -pedantic when -std=gnu* is
        used.  Fixes PR c/2291.
        * gcc.1: Regenerate.

2001-05-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
        the -fpic and -fPIC options, clear flag_pic.

2001-05-20  Neil Booth  <neil@daikokuya.demon.co.uk>

        * hashtable.c (calc_hash): Fix HASHSTEP definition.
        * stringpool.c (make_identifier): No statistics here anymore.
        * objc-act.c (steup_string_decl): Remove redundant check.

2001-05-20  Neil Booth  <neil@daikokuya.demon.co.uk>

        * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
        cpplib.o, cpphash.o, fix-header): Update.
        (hashtable.o): New target.
        * c-common.h: Include cpplib.h.  Define C_RID_CODE and
        struct c_common_identifier here.
        * c-lang.c (c_init_options): Update.  Call set_identifier_size.
        * c-lex.c (c_lex): Update.
        * c-pragma.h: Update.
        * c-tree.h (struct lang_identifier): Contain c_common_identifier.
        Delete rid_code.
        (C_RID_CODE): Delete.
        * cpphash.c: Rewrite to use hashtable.c.
        * cpphash.h: Update include guards.
        (struct cpp_reader): Remove hashtab.
        hash_ob and buffer_ob are no longer pointers.  Add hash_table
        and our_hashtable.
        (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
        (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
        (_cpp_cleanup_stacks): Rename _cpp_init_directives.
        * cppinit.c (cpp_create_reader): Update.
        * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
        (cpp_interpret_charconst): Eliminate warning.
        * cpplib.c (do_pragma, do_endif, push_conditional,
        cpp_push_buffer, cpp_pop_buffer): Update.
        (_cpp_init_stacks): Rename cpp_init_directives.
        (_cpp_cleanup_stacks): Remove.
        * cpplib.h: Update include guards.  Include tree-core.h and c-rid.h.
        (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
         cpp_forall_identifiers, cpp_create_reader): Update.
        (C_RID_CODE, cpp_make_node): New.
        (c_common_identifier): New identifier node for C front ends.
        * cppmain.c (main): Update.
        * fix-header.c (read_scan_file): Update.
        * flags.h (id_clash_len): Make unsigned.
        * ggc.h (ggc_mark_nonnull_tree): New.
        * hashtable.c: New.
        * hashtable.h: New.
        * stringpool.c: Update comments and copyright.  Update to use
        hashtable.c.
        * toplev.c (approx_sqrt): Move to hashtable.c.
        (id_clash_len): Make unsigned.
        * toplev.h (ident_hash): New.
        * tree.c (gcc_obstack_init): Move to hashtable.c.
        * tree.h: Include hashtable.h.
        (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
        (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
        (struct tree_identifier): Update.
        (make_identifier): New.
cp:
        * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
        (C_RID_CODE): Remove.
        * lex.c (cxx_init_options): Call set_identifier_size.  Update.
        (init_parse): Don't do it here.
objc:
        * objc-act.c (objc_init_options): Call set_identifier_size. Update.

Sat May 19 18:23:04 2001  Richard Henderson <rth@redhat.com>

        * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
        as ncessary.
        (expand_eh_return): Convert between word_mode and Pmode.
        * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
        are the same size.
        (execute_stack_op): Likewise.
        (execute_cfa_program): Likewise.
        (uw_frame_state_for): Likewise.
        (uw_update_context_1): Likewise.
        * unwind.inc (_Unwind_Reason_Code): Likewise.
        * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
        (EH_RETURN_STACKADJ_RTX): Likewise.
        * config/mips/mips.c (compute_frame_size): Make space for saving
        EH return registers.
        (mips_expand_epilogue): Handle EH stack adjustments.
        * config/mips/mips.md (eh_return): New pattern.
        (eh_set_lr_si): Likewise.
        (eh_set_lr_di): Likewise.
        Add splitter to perform EH return after reload.

2001-05-19  Mark Mitchell  <mark@codesourcery.com>

        * jump.c (mark_jump_label): Tidy previous change.

2001-05-19  Bruce Korb  <bkorb@gnu.org>

        * fixinc/genfixes: no need for two warnings
        * fixinc/Makefile.in: open stdin for those building with a closed one.

2001-05-19  Mark Mitchell  <mark@codesourcery.com>

        * jump.c (jump_optimize_1): Tidy.
        (mark_jump_label): When changing the label in a LABEL_REF, change
        update any REG_EQUAL notes as well.

2001-05-19  Joseph S. Myers  <jsm28@cam.ac.uk>

        * c-parse.in (parm_declarator): Split into
        parm_declarator_starttypename and parm_declarator_nostarttypename.
        (parm_declarator_starttypename, parm_declarator_nostarttypename):
        New.  Allow parenthesised sub-declarators which don't begin with a
        TYPENAME.  Fixes PR c/166.

2001-05-19  Mark Mitchell  <mark@codesourcery.com>

        * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
        macro.
        * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
        Document it.
        * toplev.c (main): If the target does not allow profiling without
        a frame pointer, issue an error message.
        * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
        Define it to false.

Sat May 19 07:53:42 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * recog.c (general_operand): Modify last change to allow it if reload
        has completed.

Sat May 19 10:23:54 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * recog.c (general_operand): Prohibit nonzero subreg bytes on
        subregs containing mem.

Sat May 19 09:40:45 2001  Denis Chertykov  <denisc@overta.ru>

        * regrename.c (regrename_optimize): frame pointer register can
        use a few hardregs.

2001-05-18  Jason Merrill  <jason_merrill@redhat.com>

        * README.DWARF: Move into dwarfout.c.

2001-05-18  Dale Johannesen  <dalej@apple.com>

        * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
        specific misuse of r0 as a reload address.

Fri May 18 22:42:04 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
        suceeded.

Fri May 18 07:26:34 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
        (add_to_sequence): Make that decision type.
        (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
        (write_switch, write_cond, debug_decision_2): Likewise.

        * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
        for INTEGER_TYPE.
        (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
        variable size.

2001-05-18  Stan Shebs  <shebs@apple.com>

        * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
        * configure: Regenerate.

2001-05-18  Per Bothner  <per@bothner.com>

        Changes needed for java/jvspec.c
        * gcc.h (n_infiles, outfiles):  Add declarations.
        * gcc.c (n_infiles, outfiles):  Mske no longer static.

Fri May 18 10:14:42 2001  Jeffrey A Law  (law@cygnus.com)

        * config/pa/som.h (EXCEPTION_SECTION): Define.

2001-05-18  Daniel Berlin  <dan@cgsoftware.com>

        * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
        list.
        Add have_location_lists, a variable to determine whether we need a
        .debug_loc section or not.
        (enum dw_val_class): Add dw_val_class_loc_list.
        (dw_val_struct): Add val_loc_list.
        (dw_loc_list_struct): New structure, represents location lists.
        (new_loc_list): New function, return a new location list, given
        the range and location expression.
        (add_loc_descr_to_loc_list): New function, add a location
        expression to a location list, given the expression and range.
        (output_loc_list): New function, output a location list.
        (gen_internal_sym): Modified to take symbol prefix, so we can
        reuse it for location list symbols.
        (add_AT_loc_list): New function, add a location list to a DIE at
        the named attribute.
        (AT_loc_list): New function, return the location list reference
        for a given attribute, if it's a location list.
        (print_die): Handle dw_val_class_loc_list.
        (size_of_die): Ditto.
        (value_format): Ditto.
        (output_die): Ditto.
        (output_location_lists): New function, output all of the location
        lists for a DIE and it's children.
        (dwarf2out_finish): Call output_location_lists if we have location
        lists.


Fri May 18 15:39:16 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * gcse.c (try_replace_reg): First try global replace, later try to
        simplify the expression.

        * gcse.c (find_used_regs): Change calling convention; work via
        note_uses.
        (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.

2001-05-18  Bernd Schmidt  <bernds@redhat.com>

        Revert
        2001-02-09  Nick Clifton  <nickc@redhat.com>
        * config/arm/arm.md: Change output constraint on post inc
        load/store multiple patterns to be a read/write constraint.

2001-05-18  Mark Mitchell  <mark@codesourcery.com>

        * basic-block.h (struct basic_block_def): Add documentation about
        what a basic block is, and what the various fields are used for.
        * flow.c (calculate_globlal_regs_live): Add documentation about
        how the algorithm works, and how we know that it will terminate.
        Check that the the inductive assumption that guarantees
        termination actually holds.
        (mark_used_regs): Treat conditionally set registers as used.
        (debug_regset): Add comment.
        * rtl.texi (cond_exec): Add documentation.

        * function.c (expand_function_start): Avoid creating BLKmode
        pseudos.

2001-05-17  Mark Mitchell  <mark@codesourcery.com>

        * dwarf2out.c (output_comp_unit): Always output a compilation-unit
        DIE, even if it has no children.
        (dwarf2out_finish): Always output the line-number table, even if
        it has no content.

2001-05-18  David Edelsohn  <edelsohn@gnu.org>

        * rs6000.md (movsfcc,movdfcc): Remove NE case.

2001-05-17  Bruce Korb <bkorb@gnu.org>

        * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
        * fixinc/genfixes: emit a warning if AutoGen is out of date

2001-05-17  Brendan Conoboy <blc@cygnus.com>
            Bruce Korb <bkorb@gnu.org>

        * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
        found in fixinc directory.  Facilitates binary distributions.

2001-05-17  Jeffrey Oldham  <oldham@codesourcery.com>

        * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
        COMPLEX_TYPE.

Thu May 17 19:42:39 2001  Mark Kettenis  <kettenis@wins.uva.nl>

        * dwarf2out.c (modified_type_die): Equate qualified type to die.

Thu May 17 23:19:46 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
        (simplify_subreg): Handle complex types represented as CONCAT.

        * recog.c (validate_replace_rtx_1): Properly canonicalize expression
        * rtl.h (swap_commutative_operands_p): Declare.
        * rtlanal.c (swap_commutative_operands_p): New.
        (operand_preference): New static function.

        * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
        (gen_binary): Likewise.
        * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
        * simplify-rtx.c (simplify_gen_binary,
        simplify_gen_relational): Likewise.

Thu May 17 20:43:36 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * cse.c (fold_rtx): Use simplify_subreg.

        * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
        (simplify_gen_subreg): New.
        (simplify_rtx): Use simplify_subreg.
        * rtl.h (simplify_gen_subreg): Declare.

2001-05-17  Mark Mitchell  <mark@codesourcery.com>

        * doc/install.texi: Update Solaris information.

        * except.h (protect_cleanup_actions): Remove it.
        (lang_protect_cleanup_actions): Declare it.
        * except.c (protect_cleanup_actions): Remove it.
        (lang_protect_cleanup_actions): New variable.
        (init_eh): Don't make protect_cleanup_actions a GC root.
        (expand_eh_region_and_cleanup): Call
        lang_protect_cleanup_actions.
        (output_function_exception_table): Remove unused `align'
        variable.
        * varasm.c (assemble_external): Abort if we have not yet
        opened the assembly output file.

Thu May 17 11:54:50 2001  Jeffrey A Law  (law@cygnus.com)

        * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
        for eh_personality_libfunc.

Thu May 17 19:48:00 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
        when calling simplify_subreg.  This is needed to allow replacing
        of expression of one mode by expression of different mode.

Thu May 17 19:40:03 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * simplify-rtx.c  (simplify_subreg): Avoid creating of incorrect subregs.

2001-05-17  Bernd Schmidt  <bernds@redhat.com>

        * expr.c (protect_from_queue): Protect against subsequent calls to
        emit_queue.
        (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
        too clever.

Thu May 17 18:17:34 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.

2001-05-17  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * gccbug.in (CATEGORIES): Add "bootstrap".

Thu May 17 16:59:41 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * simplify-rtx.c (simplify_subreg): Break out from ...
        * combine.c (combine_splify_rtx) ... here and ...
        * recog.c (validate_replace_rtx_1): ... here;
        * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
        * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
        (subreg_lowpart_p): ... here.

2001-05-17  Bernd Schmidt  <bernds@redhat.com>

        * stmt.c (expand_asm_operands): For inout operands, make sure
        the substitution of '=' for '+' makes it into the rtl.

        * reload1.c (delete_output_reload): Call eliminate_regs on substed.
        (reload_as_needed): Call update_eliminable_offsets a bit later.

2001-05-17  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * gcc.texi (gccbug): Refer to the web pages for detailed information
        on GNATS.

2001-05-16  Zack Weinberg  <zackw@stanford.edu>

        * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.

        * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
        OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
        LIB1FUNCS, and LIB1FUNCS_EXTRA.  Delete rules: libgcc1-test,
        libgcc1-test.o.  Clarify commentary now that libgcc1 no longer exists.
        * cross-make: Don't set LIBGCC1.
        * mklibgcc.in: Delete all code for building from libgcc1.c.
        Always honor LIB1ASMFUNCS if set.

        * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
        config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
        config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
        config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
        config/i386/uwin.asm, config/m68hc11/larith.asm,
        config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
        config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
        config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
        config/v850/lib1funcs.asm, config/c4x/libgcc.S:
        Delete or update references to libgcc1 in commentary.

        * config/t-libc-ok, config/t-linux, config/t-linux-aout,
        config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
        config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
        config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
        config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
        config/arm/t-semi, config/arm/t-strongarm-coff,
        config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
        config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
        config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
        config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
        config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
        config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
        config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
        config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
        config/m68k/t-m68kbare, config/m68k/t-m68kelf,
        config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
        config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
        config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
        config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
        config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
        config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
        config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
        config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
        config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
        config/mips/t-ultrix, config/mn10200/t-mn10200,
        config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
        config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
        config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
        config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
        config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
        config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
        config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
        config/sparc/t-sparclite, config/sparc/t-splet,
        config/sparc/t-sunos41, config/sparc/t-vxsparc,
        config/sparc/t-vxsparc64, config/v850/t-v850:
        Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.

        * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
        Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
        * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
        FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
        nongcc_SI_type, nongcc_word_type, or perform_*
        * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.

        * config/i386/386bsd.h, config/i386/beos-elf.h,
        config/i386/linux-aout.h, config/i386/linux-oldld.h,
        config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
        config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
        Don't include i386/perform.h.

        * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
        config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
        config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
        config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
        config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
        config/vax/t-openbsd, config/vax/t-vax: Delete.

        * config.gcc: Remove references to deleted files.
        (arm-semi-aof): Use arm/t-semi for tmake_file.

        * gcc.texi, install.texi, invoke.texi, tm.texi:
        Delete or rewrite text which is no longer relevant now that
        libgcc1 no longer exists.

        * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
        No need to set INSTALL_ASSERT_H.  (Missed in previous sweep.)

2001-05-16  Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
        Bruce Korb <bkorb@gnu.org>

        * fixinc/inclhack.def(solaris27_mutex_init):  Fix broken mutex
        initializer

2001-05-16  Zack Weinberg  <zackw@stanford.edu>

        * i386.md: Add two peepholes to clean up code generated by
        cmpstr* expanders.

2001-05-16  Richard Henderson  <rth@redhat.com>

        * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
        variants of non-absolute encodings.

        * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.

        * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
        __register_frame_info_table_bases): Export.

2001-05-16  Richard Henderson  <rth@redhat.com>

        * except.c (eh_data_format_name): Move to ...
        * dwarf2asm.c: ... here.  Use designated initializers if available.
        (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
        * dwarf2asm.h: Update declarations.
        * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
        ASM_PREFERRED_EH_DATA_FORMAT.
        (output_call_frame_info): Likewise.  Use 'L' augmentation for
        the LSDA encoding.

        * unwind-dw2-fde.h (struct fde_vector): New.
        (struct old_object): Rename from struct object.
        (struct object): New.
        (__register_frame_info_bases): Declare.
        (__register_frame_info_table_bases): Declare.
        (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
        * unwind-dw2-fde.c (objects): Remove.
        (unseen_objects, seen_objects): New.
        (__register_frame_info_bases): New.
        (__register_frame_info): Use it.
        (__register_frame_info_table_bases): New.
        (__register_frame_info_table): Use it.
        (__deregister_frame_info): Rewrite for changed object struct.
        (base_from_object, get_cie_encoding, get_fde_encoding): New.
        (fde_unencoded_compare): Rename from fde_compare; uninline.
        (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
        (start_fde_sort): Adjust for new definition of fde_vector.
        (fde_insert): Likewise.
        (end_fde_sort): Likewise.  Select comparison function based
        on properties of the object.
        (fde_split): Take object and fde_compare_t arguments.
        (frame_heapsort, fde_merge): Likewise.
        (classify_object_over_fdes): Rename from count_fdes.  Handle
        encoded pointers.  Collect encoding, mixed_encoding, and pc_begin
        for the object.
        (add_fdes): Handle encoded pointers.
        (init_object): Rename from frame_init.  Update for new struct object.
        (linear_search_fdes): Rename from search_fdes.  Handle encoded
        pointers.
        (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
        (binary_search_single_encoding_fdes): New.
        (binary_search_mixed_encoding_fdes): New.
        (search_object): New.
        (_Unwind_Find_FDE): Update for new struct object.  Fill in
        the dwarf_eh_bases.
        * unwind-dw2.c: Include unwind-pe.h.  Constify all pointers
        iterating over EH data.
        (_Unwind_FrameState): Remove saw_lsda, addr_encoding.  Add
        fde_encoding, lsda_encoding.
        (read_uleb128, read_sleb128): Remove.
        (read_encoded_pointer): Remove.  All callers use read_encoded_value.
        (extract_cie_info): Set lsda_encoding from 'L' augmentation.
        (uw_frame_state_for): Don't set bases.func.  Handle encoded fde
        pointers.
        * unwind-pe.h: Add "struct" to _Unwind_Context references.

2001-05-16  Neil Booth  <neil@cat.daikokuya.demon.co.uk>

        * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
        * cpphash.c (_cpp_lookup_with_hash): Similarly.
        * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
        cpp_spell_token, cpp_output_token): Similarly.
        * cpplib.c (lex_macro_node, do_undef, do_pragma,
        do_pragma_poison, parse_assertion, do_assert): Similarly.
        * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
        save_parameter, _cpp_create_definition, check_trad_stringification,
        cpp_macro_definition): Similarly.
        * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
        * c-lex.c (cb_undef, c_lex): Similarly.
        * fix-header.c (recognized_function): Similarly.
        * cpplib.h (NODE_LEN, NODE_NAME): New.
        (cpp_hashnode): Rename length len.

Wed May 16 13:41:10 2001  Jeffrey A Law  (law@cygnus.com)

        * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
        GPRs.

2001-05-16  Andreas Jaeger  <aj@suse.de>

        * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.

        * toplev.c: Include dwarf2asm.h for prototype of
        dw2_output_indirect_constants.

Wed May 16 19:53:53 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * stmt.c (expand_asm_operands): Be able to offload addressof
        expression to memory. (PR optimization/185)

Wed May 16 18:53:23 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
        applying distributive law.

2001-05-16  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa-hpux10.h (THREAD_MODEL_SPEC): Define.

        * gthr-dce.h (UNUSED): Attribute unused macro.
        (__gthread_key_dtor): Make arguments UNUSED.
        (__gthread_key_delete): Revise for compatibility with DRAFT4
        implementation.

2001-05-16  David Edelsohn  <edelsohn@gnu.org>

        * doc/install.texi: Update AIX information.
        * README.RS6000: Remove obsolete file.

2001-05-16  Jakub Jelinek  <jakub@redhat.com>
            Nathan Sidwell  <nathan@codesourcery.com>

        * gcc.c (give_switch): Don't write before start of string.
        Always append suffix.

2001-05-16  Nathan Sidwell  <nathan@codesourcery.com>

        * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
        after stage3.

2001-05-16  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * README.ALTOS: Remove obsolete file.

2001-05-16  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-lex.h (save_and_forget_protocol_qualifiers,
        forget_protocol_qualifiers, remember_protocol_qualifiers):
        Remove deleted functions' prototypes.

2001-05-16  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-parse.in (methodtype): New production.
        (methoddef, methodproto): Collapse separate '-' and '+'
        handlers into 1.

2001-05-16  Neil Booth  <neil@cat.daikokuya.demon.co.uk>

        * c-common.h (RID_FIRST_PQ): New.
        * c-parse.in (objc_pq_context): New.
        (objc parser): Set objc_pq_context rather than calling
        remember_protocol_qualifiers and forget_protocol_qualifiers.
        Don't call save_and_forget_protocol_qualifiers.
        (yylexname): Handle objc protocol qualifiers here.
        * stringpool.c (struct str_header): Replace with sp_hashnode.
        (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
        (alloc_string): Rename alloc_ident.  Use the SP_ accessors.
        Allocate an IDENTIFIER_NODE for each identifier.
        (FORALL_STRINGS, set_identifier): Delete.
        (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
        (ggc_alloc_string): Use an obstack.
        (get_identifier, maybe_get_identifier, mark_string_hash): Update.
        * tree.h: Update comments.
        (set_identifier): Delete.
        * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
        save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
        remember_protocol_qualifiers): Delete.

Tue May 15 22:14:09 2001  Jeffrey A Law  (law@cygnus.com)

        * flow.c (life_analysis): After life analysis is complete, do
        an optional scan over insns looking for REG_LABEL notes that
        reference a deleted label.
        (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
        before peeking at LABEL_NUSES.

2001-05-15  Richard Henderson  <rth@redhat.com>

        * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
        (_Unwind_GetTextRelBase): New.

2001-05-15  Mark Mitchell  <mark@codesourcery.com>

        * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.

2001-05-15  Geoffrey Keating  <geoffk@redhat.com>

        * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
        so that CHOOSE_SECTION gets used.

        * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
        TARGET_RELOCATABLE like flag_pic for now.

2001-05-15  David Edelsohn  <edelsohn@gnu.org>

        * rs6000.md (movdi splitter): Sign extend more efficiently.
        * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
        to "long long" valid on 32-bit and 64-bit hosts.
        (logical_operand): Cast trunc_int_for_mode return value.
        (rs6000_emit_move): Shift macro to encapsulate variable.
        (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
        (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
        plus_constant requires signed argument.

2001-05-15  Loren J. Rittle  <ljrittle@acm.org>

        * gthr-posix.h: Make additional pthread-* functions weak.

Tue May 15 13:51:32 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * recog.c (apply_change_group): Avoid unneeded validating.

2001-05-14  David Edelsohn  <edelsohn@gnu.org>

        * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
        (num_insns_constant): CONST_INT can be 64-bits.

2001-05-14  Stan Shebs  <shebs@apple.com>

        * config/darwin.h (LIB_SPEC): Just use -lSystem.
        (LIBGCC_SPEC): Don't define.

2001-05-14  Richard Henderson  <rth@redhat.com>

        * configure.in (gcc_cv_as_eh_frame): New test.
        * config.in, configure: Rebuild.
        * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.

2001-05-14  Andrew MacLeod  <amacleod@redhat.com>

        * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
        extended precision divide.

2001-05-14  Andrew MacLeod  <amacleod@redhat.com>

        * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
        for RETURNS as well.

Mon May 14 17:34:48 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
        (CPP_CPU??_SIZE_TYPE): New.
        (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
        (CPP_CPU_SPEC): ... here; support choosing of CPU.
        (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
        (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
        compiler.
        * i386.c (override_options): Add sorry about not suported modes.

Mon May 14 08:56:47 2001  Jeffrey A Law  (law@cygnus.com)

        * config/pa/som.h (NM_FLAGS): Remove.
        (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
        (ASM_OUTPUT_SECTION_NAME): Remove.
        (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.

2001-05-14  Mark Mitchell  <mark@codesourcery.com>

        * regrename.c (regrename_optimize): Do not rename registers to
        leaf registers.

2001-05-14  Alexandre Oliva  <aoliva@redhat.com>

        * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
        contain MEMs.  Remove useless distinction about clobbering
        registers.

2001-05-13  Geoff Keating  <geoffk@redhat.com>

        * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
        * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
        * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
        (ASM_PREFERRED_EH_DATA_FORMAT): Define.
        (EXCEPTION_SECTION): Define.

2001-05-13  Zack Weinberg  <zackw@stanford.edu>

        * libgcc2.c, libgcc2.h: Restore __eprintf.  Label as used for
        binary backward compat only.
        * Makefile.in (LIB2FUNCS_ST): New.  Put _eprintf here, not
        in LIB2FUNCS.  Pass it to mklibgcc.
        * mklibgcc.in: Handle LIB2FUNCS_ST.

        * Makefile.in (installdirs): Don't create $(gcc_tooldir).

2001-05-13  Alexandre Oliva  <aoliva@redhat.com>

        * tm.texi (THREAD_MODEL_SPEC): Document it.
        * gcc.c (main): Use it.
        * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
        * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.

2001-05-13  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * rtl.h (SYMBOL_REF_WEAK): New macro.
        * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
        * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
        * rtl.texi (SYMBOL_REF_WEAK): Document it.
        * gcc.texi: Remove wrong description.

2001-05-13  Mark Mitchell  <mark@codesourcery.com>

        * Makefile.in (STAMP): New macro.
        Replace all uses of `touch' with $(STAMP).
        * fixinc/Makefile.in: Likewise.

Sun May 13 07:26:34 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * configure.in: ldopen is never in -lexc, so don't test for it.
        Add test for exc_resume in -lexc for Ada.
        * configure: Regenerated.

2001-05-12  Richard Henderson  <rth@redhat.com>

        * dwarf2asm.c (size_of_encoded_value): New function.
        * dwarf2asm.h: Declare it.
        * except.c (output_function_exception_table): Align the TType
        array only as wide as the encoding.

2001-05-12  Zack Weinberg  <zackw@stanford.edu>

        * extend.texi: Document #pragma GCC java_exceptions.

2001-05-12  Neil Booth  <neil@cat.daikokuya.demon.co.uk>

        * c-parse.in (bison parser, init_reswords): Remove uses of
        doing_objc_thang.
        * c-tree.h (doing_objc_thang): Remove.

2001-05-12  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cpplex.c (_cpp_lex_token): Ensure we warn at most once
        about files not ending in newlines.

2001-05-12  Neil Booth  <neil@cat.daikokuya.demon.co.uk>

        * dwarfout.c (dwarfout_init): Add cast.
        * sched-deps.c (sched_analyze_insn): Remove unused vars.
        * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
cp:
        * method.c (build_mangled_C99_name): Remove unused prototype.

2001-05-12  Alexandre Oliva  <aoliva@redhat.com>

        * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.

2001-05-12  Alexandre Oliva  <aoliva@redhat.com>

        * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
        * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.

2001-05-11  Richard Henderson  <rth@redhat.com>

        * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
        * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
        dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
        * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
        (dw2_output_indirect_constants): Prototype.
        * dwarf2out.c (dwarf2out_begin_prologue): Generate
        current_function_func_begin_label if we'll need it for EH.  Exit
        early for IA64_UNWIND_INFO.
        * except.c: Get DW_EH_PE_* defines from dwarf2.h.
        (eh_data_format_name): Update for indirect references.
        (output_function_exception_table): Care for IA64_UNWIND_INFO.
        Handle ASM_PREFERRED_EH_DATA_FORMAT.
        * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
        define HAVE_eh_return etc.
        * final.c (final_start_function): Always call dwarf2out_begin_prologue.
        (final_end_function): Don't call output_function_exception_table.
        * toplev.c (compile_file): Call dw2_output_indirect_constants.
        (rest_of_compilation): Invoke output_function_exception_table
        for ia64 before assemble_end_function.
        * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
        (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.

        * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
        * unwind.h: Declare them.
        * libgcc-std.ver: Export them.
        * unwind-pe.h: New file.

        * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.

        * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
        instead of "fde".
        (find_fde_for_dso): Extract DT_PLTGOT.
        (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
        the segment and gp as well.
        * config/ia64/frame-ia64.c: Remove file.
        * config/ia64/frame-ia64.h: Remove file.
        * config/ia64/unwind-ia64.c: New file.
        * config/ia64/unwind-ia64.h: New file.
        * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
        (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
        (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
        (ASM_PREFERRED_EH_DATA_FORMAT): New.
        (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
        (IA64_UNWIND_INFO): Re-enable.
        (HANDLER_SECTION): Remove.
        (EH_RETURN_DATA_REGNO): New.
        * config/ia64/ia64.md (exception_receiver): Remove.
        * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
        * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.

2001-05-11  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
        calls and jumps to be bundled together.
        (ia64_reorg): Emit a break after a noreturn call that ends
        a function.
        * config/ia64/ia64.md (break_f): New.

2001-05-12  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-lex.c (lex_charconst): Convert into a simple wrapper
        around cpp_interpret_charconst, to which most of the code
        body is moved.
        * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
        MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
        MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
        (lex): Use cpp_interpret_charconst.
        * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
        hex_digit_value): New functions.
        (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
        * cpplib.h (cpp_interpret_charconst): New prototype.
        * Makefile.in: Update.

2001-05-12  Dean Wakerley  <dean@wakerley.com>

        * doc/install.texi: New file. Converted to texinfo from the HTML
        documentation in wwwdocs/htdocs/install.

Fri May 11 15:50:13 2001  Jeffrey A Law  (law@cygnus.com)

        * gcse.c (insert_insn_end_bb): Do not search for assignments to
        non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.

        * toplev.c (compile_file): Move comment for opening output
        file to just before the code that opens the output file.

2001-05-11  Jakub Jelinek  <jakub@redhat.com>

        * regmove.c (regmove_optimize): Suppress the optimization for
        unchanging destination register.  Add comment above function.

2001-05-11  Zack Weinberg  <zackw@stanford.edu>

        * Makefile.in: Exterminate all references to assert.h.
        * cross-make: Likewise.
        * assert.h: Delete.
        * configure.in: Correct commentary.
        * configure: Regenerate.

        * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
        Remove __eprintf.

        * config/t-freebsd, config/t-linux, config/t-linux-aout,
        config/t-netbsd, config/t-rtems, config/x-linux,
        config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
        No need to override INSTALL_ASSERT_H.

        * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
        fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
        fixinc/fixincl.sh: Don't install assert.h into objdir/include.

2001-05-11  Graham Stott  <grahams@redhat.com>

        * combine.c (simplify_comparison): Fix typo.

2001-05-11  Mark Mitchell  <mark@codesourcery.com>

        * loop.h (struct movables): Remove `num'.
        * loop.c (scan_loop): Don't set it.  Use count_insns_in_loop.
        Adjust call to strength_reduce.
        (num_unmoved_movables): New function.
        (move_movables): Don't set movables->num.
        (strength_reduce): Compute the number of instructions in the loop
        here, rather than in the caller.
        (check_dbra_loop): Always clear reversible_mem_store if there
        are any memory sets.
        (loop_regs_scan): Don't count instructions here.
        (count_insn_in_loop): New function.

2001-05-11  Mark Mitchell  <mark@codesourcery.com>

        * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.

2001-05-11  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-common.c (finish_label_expr): New function, lifted from
        from cp/semantics.c.
        * c-common.h (finish_label_expr, lookup_label): New prototypes.
        * c-parse.in: Move 3 blocks of parser code into new functions.
        * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
        * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
        (lookup_label): Remove.

2001-05-11  Alexandre Oliva  <aoliva@redhat.com>

        * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
        FLOAT_BIT_ORDER_MISMATCH.

2001-05-10  David Edelsohn  <edelsohn@gnu.org>

        * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
        bytes.  Reported by Kazu Hirata <kazu@hxi.com>.

2001-05-10  David Edelsohn  <edelsohn@gnu.org>

        * expr.c (emit_group_load): extract_bit_field requires a REG or
        MEM as an argument.

Thu May 10 14:45:44 2001  Jeffrey A Law  (law@cygnus.com)

        * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
        a computed jump into an unconditional jump.
        In second hunk of code for collapsing computed and conditional jumps
        into unconditional jumps, reemit the jump in additional cases.

        * jump.c (jump_optimize_1): Do not wrap the new jump target
        inside a LABEL_REF; gen_jump will do that automatically.

2001-05-10  Toon Moene  <toon@moene.indiv.nluug.nl>

        * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
        contents for a SYMBOL_REF in case of floating point constants.

2001-05-10  DJ Delorie  <dj@redhat.com>

        * c-common.c (combine_strings): Widen strings in a
        host-endian-independent way.

2001-05-10  Joseph S. Myers  <jsm28@cam.ac.uk>

        * c-parse.in: Remove many shift/reduce conflicts.  Update
        %expect values.
        (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
        declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
        declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
        declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
        declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
        declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
        declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
        declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
        declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
        declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
        maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
        typespec_reserved_nonattr, typespec_reserved_attr,
        typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
        structsp_nonattr, components_notype, component_notype_declarator,
        absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
        firstparm, setspecs_fp): New
        (typed_declspecs, reserved_declspecs, typed_typespecs,
        reserved_typespecquals, declmods, typespec, typespecqual_reserved,
        typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
        declmods_no_prefix_attr, nonempty_type_quals, structsp,
        type_quals): Remove.  Users updated.
        (initdecls, notype_initdecls, after_type_declarator,
        parm_declarator, notype_declarator, absdcl1, components, ivars):
        Don't allow attributes at the start of a declarator; include them
        in the production containing the declarator instead.  Always
        require type specifiers before trying to redeclare a typedef name.
        (typename): Allow for attributes but warn that they are ignored.
        (parmlist, firstparm, setspecs_fp): Include attributes in
        parmlist; suck them off the parser stack in firstparm using
        setspecs_fp.

Thu May 10 09:17:42 2001  Jeffrey A Law  (law@cygnus.com)

        * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
        to determine if a block has an unconditional jump at its end.

        * jump.c (jump_optimize_1): When converting a conditional jump
        to an unconditional jump, build the jump using gen_jump instead
        of just modify operands in-place.

2001-05-09  Zack Weinberg  <zackw@stanford.edu>

        * cppinit.c (cpp_post_options): Shut off macro expansion if
        -fpreprocessed.
        * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
        IN_I directives only if the # is in column 1 and the directive
        name begins in column 2.
        * cppmain.c (scan_buffer): Insert a space between # and an
        identifier, when that identifier is a directive name.

        * tradcpp.c (struct file_buf): Add a pointer to the next entry
        in the header search path.
        (enum node_type): Add T_INCLUDE_NEXT.
        (directive_table): Add entry for include_next.
        (do_include_next): New function.
        (process_include): New routine, broken out of do_include.
        (finclude): Insert 'nhd' argument, to be copied into
        next_header_dir of the new buffer.
        (main): Adjust to match.
        * gsyslimits.h, limity.h: Un-indent #include_next.

2001-05-09  Joseph S. Myers  <jsm28@cam.ac.uk>

        * objc.texi: Move from ../libobjc/objc-features.texi.  Adjust for
        inclusion as a chapter of the GCC manual.
        * gcc.texi: Include objc.texi.
        * fdl.texi: Use @unnumberedsec for the addendum.
        * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.

Wed May  9 16:01:41 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.

Wed May  9 10:40:25 2001  Alexandre Oliva  <aoliva@redhat.com>

        * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
        handling of two-address insns.

Wed May  9 10:36:18 2001  Alexandre Oliva  <aoliva@redhat.com>

        * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
        ../binutils/nm-new instead of ../binutils/nm.

Wed May  9 12:15:46 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * i386.md (movdi splitter): Fix the splitting condition
        (float_extenddftf splitter): Fix mode.

Wed May  9 12:05:39 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * genrecog.c (write_switch): Avoid outputting of switch for
        types wider than int.

2001-05-03  Andrew Haley  <aph@cambridge.redhat.com>

        * reload1.c (copy_eh_notes): New function.
        (emit_input_reload_insns): Call it.
        (emit_output_reload_insns): Call it.

2001-05-07  Zack Weinberg  <zackw@stanford.edu>

        * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
        Delete stanzas.
        * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
        config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.

        * optabs.c: Delete #ifdef BROKEN_LDEXP block.

2001-05-07  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa.md (interspace_jump): Revise comment.
        (builtin_longjmp): Block initial setup insns from delay slot of
        interspace branch.
        (builtin_setjmp_receiver): New expander to save and restore PIC
        register.

        * som.h (NM_FLAGS): Remove `-n' sort option.  Revise comment.

Mon May  7 09:30:14 2001  Jeffrey A Law  (law@cygnus.com)

        * toplev.c (compile_file): Set up the output file before we call
        the various initializers for the compiler.

        * except.c (sjlj_mark_call_sites): Do not search for assignments to
        non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.

        * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
        * pa-64.h (*_TYPE_SIZE): Undefine before redefining.

2001-05-06  Zack Weinberg  <zackw@stanford.edu>

        * Makefile.in (tradcpp0): Correct typo in dependency list.

2001-05-06  Geoff Keating  <geoffk@redhat.com>

        * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
        the link register if we're not going to use it.

        * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
        (output_function_profiler): Likewise.

2001-05-07  Alan Modra  <amodra@one.net.au>

        * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.

2001-05-06  Alexandre Oliva  <aoliva@redhat.com>

        * unroll.c (loop_iterations): Don't sign-extend abs_diff;
        zero-extend it.  Make abs_inc unsigned.

        * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
        widest mode in narrowing and widening operations.

        * config/mips/mips.md: Sign extend CONST_INTs.

2001-05-06  Andreas Jaeger  <aj@suse.de>

        * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
        (i386 Options): Document -momit-leaf-frame-pointer.

2001-05-06  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-typeck.c (internal_build_compound_expr): Check for
        array to pointer conversion just once.

2001-05-05  Richard Henderson  <rth@redhat.com>

        * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.

2001-05-05  Richard Henderson  <rth@redhat.com>

        * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
        to the parent of the fixup region.

2001-05-05  Jakub Jelinek  <jakub@redhat.com>

        * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
        "inline" keyword.
        * cpp.texi (__NO_INLINE): Document it.

2001-05-05  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cppfiles.c (struct include_file): New member err_no.
        (find_or_create_entry): Set it.
        (open_file): Don't set fds to -2.  Instead, use err_no to
        remember previous errors, if any.

2001-05-05  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
        between X and Y by using sequences of xgdx and xgdy.

2001-05-05  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
        of '!' for the 'D' alternative ('!' is too strong).
        ("*logicalsi3_silshl16"): Likewise.
        ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
        ("movstrictsi"): Remove spurious '+'.
        ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
        ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
        ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
        a reload to them.

2001-05-04  David Edelsohn  <edelsohn@gnu.org>

        * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.

2001-05-04  Lars Brinkhoff  <lars@nocrew.org>

        * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
        into -a.

2001-05-04  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * config/rs6000/rs6000.md (ashldi3 splits): Guard with
        TARGET_POWERPC64.

2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
        soft register, use ror instead of rol.

2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
        into account pre/post increment decrement for 68HC12.
        Fix other problems in replacement and fix call to reg_mentioned_p.

2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
        Put the soft registers in bss for 68HC12.
        (L_regs_d3_4): New for _.d3 and _.d4.
        (L_regs_d5_6): Likewise.
        (L_regs_d1_2): Likewise.
        * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.

2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
        to the pre-processor when -fshort-double is specified.
        * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.

2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
        (__mulsi3): Rewrite for 68HC12.
        * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
        Mark 'x' constraint with earlyclobber to prevent a
        RELOAD_FOR_OTHER_ADDRESS to go in it.
        (mulhi3_m68hc12): New pattern.
        (mulhi3_m68hc11): Rename of mulhi3.
        (mulhi3): New expand for 68HC12 optimisation.
        (umulhisi3, mulhisi3): New patterns for 68HC12.

2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
        (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
        (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.

2001-05-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
        constants cheap after reload.
        * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
        are cheap.
        (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
        so that gcc prefers a shift by 16.
        (m6811_cost, m6812_cost): Make the shift cheap compared to an add.

2001-05-04  Nick Clifton  <nickc@cambridge.redhat.com>

        * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.

2001-05-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * alpha.h: NULL_PTR -> NULL.
        * arm.c: Likewise.
        * arm.h: Likewise.
        * avr.h: Likewise.
        * c4x.c: Likewise.
        * c4x.h: Likewise.
        * i386.c: Likewise.
        * i386.md: Likewise.
        * i860.c: Likewise.
        * ia64.c: Likewise.
        * m68hc11.h: Likewise.
        * rs6000.h: Likewise.
        * sh.c: Likewise.
        * sh.h: Likewise.
        * sparc.h: Likewise.
        * v850.c: Likewise.

        * expr.c: Likewise.
        * final.c: Likewise.
        * gcc.c: Likewise.
        * recog.c: Likewise.

2001-05-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
        `bool' parameter to `int'.

        * hash.c (hash_lookup): Likewise.

        * hash.h (hash_lookup): Likewise.

        * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.

Fri May  4 13:10:03 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * i386.c (x86_initialize_trampoline): Fix mode of constant.

2001-05-03  Geoff Keating  <geoffk@redhat.com>

        * invoke.texi (i386 Options): Delete references to -malign-jumps,
        -malign-loops, -malign-functions.
        * i386.c (ix86_align_funcs): Delete.
        (ix86_align_loops): Delete.
        (ix86_align_jumps): Delete.
        (override_options): Mark -malign-* as obsolete.  Emulate their
        behaviour with the -falign-* options.  Default -falign-* from
        the processor table.
        * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
        patch of Wed May 2 13:09:36 2001.
        (LOOP_ALIGN): Delete.
        (LOOP_ALIGN_MAX_SKIP): Delete.
        (LABEL_ALIGN_AFTER_BARRIER): Delete.
        (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.

2001-05-04  Andreas Jaeger  <aj@suse.de>

        * except.h: Add prototype declaration for
        expand_builtin_init_dwarf_reg_sizes.

2001-05-03  Geoffrey Keating  <geoffk@redhat.com>

        * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.

2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
        instruction.
        ("bitcmpqi2"): New pattern for bit-extract and test.
        ("bitcmphi"): New pattern for bitb/bita instructions.

2001-05-03  Joseph S. Myers  <jsm28@cam.ac.uk>

        * gccbug.in: Use a temporary directory when the mktemp command is
        not available.

2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
        instead of _.d1.
        (INITIALIZE_TRAMPOLINE): Call it.
        (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
        (TRAMPOLINE_TEMPLATE): Remove.
        * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
        * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
        Declare.

2001-05-03  David O'Brien  <obrien@FreeBSD.org>

        * config/t-freebsd: Don't install "assert.h" in gcc.  Compile crtbeginS.o
        and crtendS.o with PIC.

2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
        negative numbers.
        (___subdi3, ___adddi3): Use x instead of y as index register.
        (__init_bss_section, __map_data_section): Optimize for 68HC12.
        (__memset, __memcpy): Likewise.
        (regs): Put the soft registers in bss for 68HC12.
        (abort): Use trap to abort for 68hc12.
        (__mulhi3, __mulhi32): Use emul for 68hc12.
        (__mulsi3): Avoid to use the tmp soft register for 68hc12.

2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
        * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
        * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
        (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
        Set 68HC12 min offset to -65536.
        (print_operand): Put parenthesis arround the operand if it refers
        to a symbol having the same name as a register.
        (m68hc11_z_replacement): When z register is replaced by its
        equivalent soft register, force the insn to be re-recognized.
        (m68hc11_check_z_replacement): Fix the test when destination is
        the index register and z dies in the insn.
        (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.

2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
        costs according to processor variant.
        (m68hc11_shift_cost): New function to compute shift costs.
        (m68hc11_rtx_costs): Define costs according to processor variant.
        (m6811_cost): Costs for 68HC11.
        (m6812_cost): Costs for 68HC12.
        (COSTS_N_INSNS): Remove.

        * config/m68hc11/m68hc11.h (RTX_COSTS): New.
        (DEFAULT_RTX_COSTS): Remove.
        (CONST_COSTS): Define costs according to OUTER_CODE.
        (processor_costs): New struct to define costs.
        (m68hc11_cost): Pointer to current costs.

2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
        and use m68hc11_notice_keep_cc when using leax/leay.
        (addhi3 split): Reject split if the insn is handled by
        leax/leay above.
        * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
        push must be handled in a special way if the source operand uses
        sp as index register.
        (m68hc11_notice_keep_cc): New function.
        (m68hc11_gen_movhi): Use it when an insn changes a register but
        not the flags.
        (m68hc11_gen_movqi): Fix move for 68HC12.
        * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.

2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
        and don't pass operands[0] to emit_library_call_value.

2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
        (zero_extendsi split): Simplify and use (zero_extendhi).
        (*addhi3): Remove 'w' constraint since stack pointer is handled
        by (addhi3_sp).
        (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
        (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
        (*ashrhi3_const): Fix shift by 7.
        (*lshrsi3_const16): Fix template.
        (call, call_value): Fix constraint and predicate.

2001-05-03  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
        (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
        (CC_REGNUM): Likewise.
        (*unnamed splits): Use above constants instead of hard coded numbers.
        (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
        (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
        (*return_16bit, *unnamed peepholes): Likewise.

2001-05-03  David O'Brien  <obrien@FreeBSD.org>

        * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix):  Do not include
        rs6000/rs6000.h twice.

2001-05-03  Mark Elbrecht  <snowball3@bigfoot.com>

        * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
        (CPP_SPEC): Conditionally define MSDOS and GO32.
        (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
        (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
        ignored.
        (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.

2001-05-03  Alexandre Oliva  <aoliva@redhat.com>

        * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.

2001-05-03  Mark Mitchell  <mark@codesourcery.com>

        * integrate.h (struct inline_remap): Add leaf_reg_map table.
        * integrate.c (expand_inline_function): Use xcalloc to allocate
        memory.
        (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
        registers.

2001-05-03  Mark Mitchell  <mark@codesourcery.com>

        * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
        if it is not set.

2001-05-03  Alexandre Oliva  <aoliva@redhat.com>

        * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
        linker if -mrelax is given.
        (TARGET_SWITCHES): Document -mrelax.

        Re-installed 2001-01-09's patch:
        * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
        if it's wider than long and the target's long is wider than the
        host's.

2001-05-02  David O'Brien  <obrien@FreeBSD.org>

        * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h:  Do not
        directly include rs6000/rs6000.h.  Instead do it in tm.h.

2001-05-02  Stan Shebs  <shebs@apple.com>

        * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
        NSConstantString for NeXT-style runtimes.
        (STRING_OBJECT_GLOBAL_NAME): New macro.
        (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
        OCTI_STRING_CLASS_DECL.
        (constant_string_global_id): New macro.
        (string_class_decl): Ditto.
        (setup_string_decl): New function.
        (build_objc_string_object): Use it to build a NeXT runtime
        compatible string initializer.

2001-05-02  Jakub Jelinek  <jakub@redhat.com>

        * tradcpp.c (do_define): Make sure we don't walk past limit.

2000-05-01  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
        offsets if not REG_OK_STRICT.

        * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
        (INT_REG_OK_FOR_INDEX_P): Likewise.
        (INT_REG_OK_FOR_BASE_P): Likewise.
        (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
        (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
        (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
        INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
        REG_OK_FOR_BASE_P. Take an additional parameter.
        (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
        (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
        (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
        (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
        rs6000_legitimate_address() and use it.
        * config/rs6000/rs6000.c: Update all callers.
        (rs6000_legitimate_address): New function.

2001-05-02  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_emit_move): Merge
        special_constant conditional blocks together.

2001-05-02  Dale Johannesen  <dalej@apple.com>

        * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
        parameter.
        (STRICT_ARGUMENT_NAMING): Define.
        * config/rs6000/rs6000.c (function_arg_advance, function_arg,
        function_arg_partial_nregs, setup_incoming_varargs): Remove
        args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
        is defined.

Wed May  2 13:09:36 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.

        * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
        for replacement.

        * expr.c (store_field): Do nothing except elaborate side-effects if
        zero-bit field.

2001-05-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-lex.c: NULL_PTR -> NULL.
        * cse.c: Likewise.
        * emit-rtl.c: Likewise.
        * gcse.c: Likewise.
        * genpeep.c: Likewise.
        * jump.c: Likewise.
        * mips-tdump.c: Likewise.
        * reload1.c: Likewise.
        * rtlanal.c: Likewise.
        * stmt.c: Likewise.
        * stor-layout.c: Likewise.
        * toplev.c: Likewise.

2001-05-01  Per Bothner  <per@bothner.com>

        * expr.c (expand_expr):  When compiling LABELED_BLOCK_EXPR,
        call do_pending_stack_adjust before emiting label.

2001-05-01  Mark Mitchell  <mark@codesourcery.com>

        * extend.texi: Fix typo.

2001-05-01  Stan Shebs  <shebs@apple.com>

        * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
        of UOBJC_MODULES_decl.
        (generate_strings): Clear DECL_CONTEXT of new decl nodes.
        (generate_descriptor_table): Ditto.
        (generate_protocols): Ditto.
        (generate_protocol_list): Ditto.
        (generate_classref_translation_entry): Ditto.

2001-05-01  Jeffrey Oldham  <oldham@codesourcery.com>

        * invoke.texi (Optimize Options): Add documentation for `--param
        max-delay-slot-insn-search' and `--param
        max-delay-slot-live-search' and reorder --param section.
        * params.def: Modify initial comment.
        * params.h (param_info): Add `help' member.
        * toplev.c (lang_independent_params): Include `help' description.
        (display_help): Print --param parameters.

2001-05-01  Zack Weinberg  <zackw@stanford.edu>

        * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
        Remove references to deleted files.
        (*-*-openbsd): No need to override xmake_file.
        (*-*-sysv4): Treat like *-*-sysv.

        * configure.in: Probe for ldopen in various places, and set up
        collect2 to be linked with them if found.
        Don't dink with Windows registry stuff unless $host_os is a
        Win32 os name.  Check to see if we need -ladvapi32.
        * configure: Regenerate.

        * Makefile: Get rid of CLIB and HOST_CLIB.
        Substitute in COLLECT2_LIBS and link collect2 against its contents.
        * build-make: Get rid of HOST_CLIB.

        * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
        config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
        config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
        config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
        config/rs6000/x-rs6000: Delete.

        * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
        Don't set CLIB.

        24 x-host fragments remain, 0 x-cpu, 3 top level.

2001-05-01  Zack Weinberg  <zackw@stanford.edu>

        * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
        * configure: Regenerate.

2001-05-01  Angela Marie Thomas <angela@cygnus.com>

        * Makefile.in (install-headers): Remove redundant dependency.

2001-05-01  Nathan Sidwell  <nathan@codesourcery.com>

        * c-tree.texi (USING_STMT): Document.

2001-05-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
        * c-common.c: Likewise.
        * c-decl.c: Likewise.
        * combine.c: Likewise.
        * rs6000.c: Likewise.
        * except.c: Likewise.
        * explow.c: Likewise.
        * expr.c: Likewise.
        * fold-const.c: Likewise.
        * function.c: Likewise.
        * gcc.c: Likewise.
        * gcse.c: Likewise.
        * integrate.c: Likewise.
        * loop.c: Likewise.
        * objc/objc-act.c: Likewise.
        * recog.c: Likewise.
        * reg-stack.c: Likewise.
        * reload.c: Likewise.
        * reload1.c: Likewise.
        * simplify-rtx.c: Likewise.
        * stmt.c: Likewise.
        * varasm.c: Likewise.

2001-05-01  Gabriel Dos Reis  <gdr@codesourcery.com>

        * diagnostic.def: New file.
        * diagnostic.h (diagnostic_t): New enum.
        * Makefile.in (diagnostic.o): Depend on diagnostic.def

2001-04-30  Zack Weinberg  <zackw@stanford.edu>

        * tsystem.h: Test only POSIX for availability of string.h
        and time.h.
        * config.gcc (all systems): If USG appeared in xm_defines,
        change it to POSIX.  If both USG and POSIX appeared, just
        delete USG. Remove unnecessary quotes around xm_defines
        settings.
        (m68k-crds-unos*): Don't #define unos - tested nowhere.
        (m68k-apple-aux*): Don't #define AUX - tested nowhere.
        (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
        powerpc-*-linux*): No need to set xm_defines - handled by
        global settings for *-*-linux*.

2001-04-30  Zack Weinberg  <zackw@stanford.edu>

        * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
        Always include gstab.h, not system stab.h.  Don't provide
        default definitions of N_CATCH or N_OPT.  Always use the
        gstab.h variant of STAB_CODE_TYPE.
        * final.c: Don't include stab.h/gstab.h at all, or provide
        defaults for N_SLINE and N_SOL.

        * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
        N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
        available.
        * sdbout.c: Always include gsyms.h instead of system syms.h.

        * configure.in: No need to check for stab.h.
        * configure, config.in: Regenerate.
        * Makefile.in (final.o): Don't depend on gstab.h.

2001-04-30  Mark Mitchell  <mark@codesourcery.com>
            Richard Henderson  <rth@redhat.com>

        * extend.texi: Improve documentation of volatile asms.

2001-04-30  Mark Mitchell  <mark@codesourcery.com>

        * c-tree.texi: Fix thinko.
        * gcc.texi: Likewise.

2001-04-30  Richard Henderson  <rth@redhat.com>

        * c-common.c (c_promoting_integer_type_p): New function, from the
        corpse of old macro.  Properly promote too-small enumerations and
        booleans.  Adjust all callers.
        * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
        (c_promoting_integer_type_p): Declare.
        * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
        * c-typeck.c: Likewise.
        (default_conversion): Remove now redundant boolean check.

2001-04-30  Jan Hubicka  <jh@suse.cz>
            Richard Henderson  <rth@redhat.com>

        * regmove.c (try_apply_stack_adjustment): Remove now redundant
        sanity checks.
        (combine_stack_adjustments_for_block): Don't combine stack
        allocation followed by deallocations.  Handle grow-up stacks.

2001-04-30  Mark Mitchell  <mark@codesourcery.com>

        * fdl.texi: New file.
        * c-tree.texi: Use the GFDL.
        * gcc.texi: Likewise.

2001-04-30  Stan Shebs  <shebs@apple.com>

        * invoke.texi: Add a section documenting Objective-C options.

2001-04-27  Andrew Haley  <aph@cambridge.redhat.com>

        * emit-rtl.c (try_split):  Copy EH notes to sequence.

2001-04-30  Mark Mitchell  <mark@codesourcery.com>

        * regmove.c (record_stack_memrefs): Catch all references to the
        stack pointer.

2001-04-29  Toomas Rosin <toomas at ns dot tklabor dot ee>

        * Makefile.in (stmp-fixinc): quote shell assignment values

2001-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.

        * gcc.c: Likewise.

        * prefix.c: Likewise.

2001-04-28  Stan Shebs  <shebs@apple.com>

        * objc/objc-act.c (handle_class_ref): Rewrite to flush target
        specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
        * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
        * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.

        * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
        (NEXT_OBJC_RUNTIME): Define.

Sat Apr 28 21:02:58 CEST 2001  Jan Hubicka  <jh@suse.cz>

        * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
        * simplify-rtx.c (simplify_gen_relational): Likewise.

        * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.

        * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
        * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.

        * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
        registers in SSE case; fix handling of the immediates.
        (negsf2_ifs, abssf2_ifs): Tweak constraints; require
        operands to be in regsiters before reload.
        (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
        (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
        (abstf,absxf,negtf,negxf splitters): Compute
        properly the regnum for x86_64.
        (avsdf2_if_rex64): New.

Sat Apr 28 10:36:23 2001  Jeffrey A Law  (law@cygnus.com)

        * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
        and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
        into the constant pool.
        * jump.c (jump_optimize_1): Remove barrier successors after all
        the LABEL_NUSES counds have been computed.
        (delete_barrier_successors): When deleting a tablejump insn, also
        delete the jump table it uses.
        * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
        label into memory.

2001-04-28  Martin Kalen  <martin.kalen@todaysystems.com.au>

        * pa.c (FRP): Remove erroneous white space in macro definition.

2001-04-28  Andreas Jaeger  <aj@suse.de>

        * invoke.texi: Use XX-bit instead of XXbit or XX bit where
        appropriate.
        * extend.texi: Likewise.
        * tm.texi: Likewise.

2001-04-28  Andreas Jaeger  <aj@suse.de>

        * md.texi: Use XX-bit instead of XXbit or XX bit where
        appropriate.

2001-04-28  Jens Schweikhardt <schweikh@schweikhardt.net>

        * gcc.c (process_command): Allow -l lib in addition to -llib
        for POSIX compliance. This fixes PR c/2347.

        * invoke.texi: Update section on Link Options accordingly.

2001-04-27  Zack Weinberg  <zackw@stanford.edu>

        * function.c (purge_addressof_1): Remove the duplicate
        if (code == SET) block.  Fold the two if (code == ADDRESSOF)
        blocks together.

2001-04-28  Jason Merrill  <jason_merrill@redhat.com>

        * except.c (expand_eh_region_start): Don't start a new block.
        (expand_eh_region_end): Don't end a block.
        * stmt.c (expand_end_bindings): Don't end EH blocks.
        (expand_decl_cleanup): Starting an EH region won't change the block.
        (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
        (is_eh_region): Lose.
        * tree.h: Adjust.

2001-04-27  Jeffrey Oldham  <oldham@codesourcery.com>

        * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.

        * collect2.c (main): Add `-L' case to remove duplicate entries.
        (is_in_args): New function to check for a duplicate argument.
        * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
        * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
        * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
        Define to be nonzero.

2001-04-27  Andreas Jaeger  <aj@suse.de>