dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.

[gcc.git] / gcc / ChangeLog

Fri Sep  3 16:22:17 1999  Richard Henderson  <rth@cygnus.com>

        * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
        * dwarf2out.c (dwarf2out_frame_init): Likewise.
        * final.c (shorten_branches): Likewise.
        * global.c (global_alloc): Likewise.
        * haifa-sched.c (build_control_flow): Likewise.
        * stmt.c (check_for_full_enumeration_handling): Likewise.
        (estimate_case_costs): Likewise.

Fri Sep  3 15:49:56 1999  Mark Mitchell  <mark@codesourcery.com>

        * rtl.h (RTL_CHECKC2): Fix typo in last change.

Fri Sep  3 15:13:34 1999  Richard Henderson  <rth@cygnus.com>

        * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
        (recompute_reg_usage): Likewise.
        * rtlanal.c (find_regno_fusage): Likewise.

        * rtl.c (rtl_check_failed_code1): New function.
        (rtl_check_failed_code2): New.
        * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
        (RTL_CHECKC1, RTL_CHECKC2): New.
        (XC*): New accessor macros.
        (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
        (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
        (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
        (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
        (TRAP_*, RANGE_INFO_*): Likewise.

Fri Sep  3 15:10:20 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in (tlink.o): Don't depend on toplev.h.

        * collect2.c (c_file, o_file, export_file, import_file, ldout,
        output_file, nm_file_name, ldd_file_name, strip_file_name,
        c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
        add_prefix, prefix_from_env, prefix_from_string, do_wait,
        fork_execute, maybe_unlink, add_to_list,
        extract_init_priority, write_list, dump_list,
        dump_prefix_list, write_list_with_asm, write_c_file,
        write_c_file_stat, write_c_file_glob, scan_prog_file,
        scan_libraries, is_in_list, resolve_lib_name, use_import_list,
        ignore_library, extract_string, notice, dump_file, target_machine,
        collect_wait, collect_execute, libname, locatelib, aix_std_libs,
        read_file, print_load_command): Constify a char*.
        (fdopen, error, fatal, fatal_perror): Don't prototype.
        (my_strerror): Remove.  All callers use xstrerror instead.
        (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
        (main): Add prototype.  Constify lots of char* ptrs.  Change calls
        to xcalloc/strcpy/strcat/...  to one call to concat.
        (main, scan_prog_file, scan_libraries): Use an intermediate
        `const char **' to build an argv array.
        (mapfile, libselect, libcompare, locatelib): Add prototypes.

        * collect2.h (collect_execute, collect_wait, dump_file,
        file_exists): Constify a char*.
        (ldout, c_file_name, temporary_obstack, permanent_obstack,
        temporary_firstobj, vflag, debug): Add extern declarations.
        (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.

        * tlink.c: Don't include toplev.h.
        (vflag, debug, ldout, c_file_name, temporary_obstack,
        permanent_obstack, temporary_firstobj): Don't declare.
        (tlink_execute, frob_extension, symbol_hash_lookup,
        file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
        recompile_files, read_repo_files, demangle_new_symbols,
        scan_linker_output): Constify a char*.
        (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
        do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
        
Fri Sep  3 18:09:24 1999  Andrew Haley  <aph@cygnus.com>

        * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
        (relative) rather than jsr (absolute) subroutine call insns.  
        * config/m68k/m68k-coff.h: Ditto.

Fri Sep  3 17:24:31 1999  Richard Earnshaw <rearnsha@arm.com>

        * arm.c (note_invalid_constants): No need to ignore ASMs, we can
        now rework these too.
        (arm_reorg): If an insn can't reach the end of the current pool,
        ensure that we emit that pool before the insn.

Fri Sep  3 09:14:32 1999  Marc Espie <espie@tetto.liafa.jussieu.fr>

        * tlink.c (scan_linker_output): Skip the initial underscore in
        a mangled name if appropriate.

Fri Sep  3 01:28:33 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
        objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
        error_with_ivar, gen_declarator, create_builtin_decl,
        my_build_string, generate_descriptor_table, generate_ivars_list,
        generate_dispatch_table, check_protocols, TAG_GETCLASS,
        TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
        dump_base_name, lang_decode_option, build_encode_expr,
        start_class, finish_class, encode_pointer, really_start_method,
        gen_declaration, dump_interface, handle_class_ref, handle_impent):
        Constify.
        (objc_demangle, objc_printable_name, generate_struct_by_value_array):
        Add static prototypes.
        (build_objc_string_decl, build_selector_reference_decl,
        encode_bitfield, build_class_reference_decl): Remove unused
        parameter, all callers changed.
        (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
        (objc_printable_name): Likewise.  Change second parameter to type int.
        (init_objc): Use memcpy, not bcopy, to avoid casts.

Thu Sep  2 21:49:52 1999  Richard Henderson  <rth@cygnus.com>

        * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
        reg notes on a deleted insn.
        * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.

Thu Sep  2 20:18:12 1999  Jeffrey A Law  (law@cygnus.com)

        * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.

Thu Sep  2 22:00:08 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * stmt.c (expand_asm_operands): Fix index into inout_mode when
        reading it.

Thu Sep  2 13:00:48 1999  Richard Henderson  <rth@cygnus.com>

        * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
        * tm.texi (MD_ASM_CLOBBERS): Document it.

Thu Sep  2 10:22:40 1999  Richard Henderson  <rth@cygnus.com>

        * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
        * except.c (expand_rethrow): Remove unused variable.
        * expr.c (do_jump_by_parts_greater_rtx): Likewise.
        * flow.c (replace_insns): Likewise.
        (create_edge_list, verify_edge_list): Likewise.
        * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.

        * genemit.c (gen_expand): Only emit `operands[N]' decl if there
        is special code to run.
        (main): Don't define operands to emit_operand.
        * genrecog.c (main): Don't emit an empty peephole2_insn function.

        * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.

        * alpha/alpha.h (normal_memory_operand): Declare.
        (reg_no_subreg_operand): Declare.
        * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.

Thu Sep  2 10:19:20 1999  Richard Henderson  <rth@cygnus.com>

        * c-parse.in (compstmt_primary_start): New, broken out of first
        part of compstmt handling in primary.
        (primary): Use it.  Add an error clause.
        (compstmt_nostart): Renamed from compstmt; remove all
        initial invocations of compstmt_start.
        (compstmt): New.

Thu Sep  2 01:35:50 1999  Marc Espie <espie@cvs.openbsd.org>

        * protoize.c (gen_aux_info_file):  Let pexecute call choose_temp_base if
        needed.

Thu Sep  2 00:43:59 1999  Finn Hakansson  <finn@axis.com>

        * combine.c (simplify_shift_const): Remove extra semicolon.
        * dwarf2out.c (remove_AT): Likewise.
        * expmed.c (expand_mult): Likewise.
        * gcov.c (create_program_flow_graph): Likewise.
        * reorg.c (mostly_true_jump): Likewise.

Thu Sep  2 00:06:43 1999  Jeffrey A Law  (law@cygnus.com)

        * fold-const.c (fold_range_test): Do not try to fold the range
        test if the rhs or lhs has side effects.

        * combine.c (simplify_rtx): Recognize another case of a synthesized
        sign extension.

        * varasm.c (mark_constant_pool): When marking indirect references,
        only look at SYMBOL_REFs.

        * except.c (expand_fixup_region_end): Do not peek at
        INSN_UID (node->entry->outer_context) for flag_new_exceptions.

Thu Sep  2 13:52:53 1999  Geoffrey Keating  <geoffk@cygnus.com>

        * flags.h: New variables align_loops, align_loops_log,
        align_jumps, align_jumps_log, align_labels, align_labels_log,
        align_functions, align_functions_log.
        * toplev.c: Define them.
        (f_options): Handle -falign-* when they have no argument.
        (main): Add logic to set variables for -falign-functions,
        -falign-jumps, -falign-labels, -falign-loops.
        Make it -fsched-verbose=<n> and -finline-limit=<n>.
        (display_help): Change help to match options.
        * final.c (LABEL_ALIGN): Default to align_labels_log.
        (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
        (LOOP_ALIGN): Default to align_loops_log.
        (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
        (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
        (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
        * varasm.c (assemble_start_function): Handle align_functions.

        * config/sparc/sparc.h: Don't declare sparc_align_*.
        Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
        (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
        sparc.c.
        (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
        it's a promise.
        * config/sparc/sparc.c: Delete sparc_align_loops,
        sparc_align_jumps, sparc_align_funcs and the corresponding string
        variables.
        (sparc_override_options): Default align_functions on ultrasparc.
        Delete -malign-* handling.

        * config/mips/mips.c (override_options):  On 64-bit targets,
        try to align code to 64-bit boundaries.
        (print_operand): New substitution, %~,
        which aligns labels to align_labels_log.
        * config/mips/mips.md (div_trap_normal): Use %~.
        (div_trap_mips16): Likewise.
        (abssi): Likewise.
        (absdi2): Likewise.
        (ffssi2): Likewise.
        (ffsdi2): Likewise.
        (ashldi3_internal): Likewise.
        (ashrdi3_internal): Likewise.
        (lshrdi3_internal): Likewise.
        (casesi_internal): Likewise.

Wed Sep  1 21:13:48 1999  Richard Henderson  <rth@cygnus.com>

        Merge new ia32 backend from the branch!

        * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
        See ChangeLog.P2 on new_ia32_branch for details.

        * rtl.h (stack_regs_mentioned_p): Delete prototype.
        * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
        * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
        * i386/gas.h (ASM_FILE_START): Define.
        * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
        for name change of ix86_valid_decl_attribute_p.
        (i386_pe_valid_type_attribute_p): Similarly.

Wed Sep  1 18:21:23 1999  Richard Henderson  <rth@cygnus.com>

        * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
        to step through CC modes.

Wed Sep  1 20:18:06 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * regmove.c (fixup_match_1): Don't move INSN in front of P if
        it would end up in the shadow of a live flags regsiter.

Wed Sep  1 11:32:00 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * reload1.c: Fix many indentation problems.
        * reload.c: Likewise.

Tue Aug 31 22:08:03 1999  Marc Espie <espie@cvs.openbsd.org>

        * alias.c (non_local_reference_p): Constify fmt.

Tue Aug 31 23:19:35 1999  Michael Meissner  <meissner@cygnus.com>

        * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.

Tue Aug 31 16:44:52 1999  Jeffrey A Law  (law@cygnus.com)

        * cse.c (delete_trivially_dead_insns): Do not delete stores to
        the internal_arg_pointer.

Tue Aug 31 13:35:42 1999  Richard Henderson  <rth@cygnus.com>

        Merge peephole2 from new_ia32_branch:
        * Makefile.in (STAGESTUFF): Add *.peephole2.
        (mostlyclean): Likewise.
        (recog.o): Depend on resource.h.

        * final.c (peephole): Conditionalize decl on HAVE_peephole.
        (final_scan_insn): Likewise for the invocation of peephole.
        * genconfig.c (main): Look for peephole and peephole2 patterns.
        Emit HAVE_peephole* accordingly.
        * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
        * flags.h (flag_peephole2): Declare.
        * toplev.c: New pass peephole2.  New flag -fpeephole2.
 
        * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
        * gencodes.c (main): Likewise.
        * genextract.c (main): Likewise.
        * genoutput.c (main): Likewise.
        * genemit.c (max_operand_1): Look for the max scratch operand.
        (gen_rtx_scratch): New.
        (gen_exp): Use it, and pass on new arg subroutine_type.
        (gen_expand): Take max scratch into account.
        (gen_split): Emit peephole2 functions.
        (output_peephole2_scratch): New.
        (main): Include hard-reg-set.h and resource.h.  Handle peephole2.
        * genrecog.c (routine_type): Add PEEPHOLE2.
        (IS_SPLIT): New.
        (make_insn_sequence): Match outer parallel for peep2.  Discard
        top level scratches and dups.
        (add_to_sequence): New args insn_type and top.  Update all callers.
        Handle toplevel peep2 matching insns.
        (write_subroutine): Handle peep2.
        (write_tree_1): Likewise.
        (write_tree): Likewise.
        (main): Likewise.
        (change_state): New arg afterward.  Update all callers.
        Handle matching separate insns.
        * recog.c (recog_next_insn): New.
        (peephole2_optimize): New.
        * rtl.def (DEFINE_PEEPHOLE2): New.
        * resource.c (find_free_register): New argument last_insn.  Use it
        to find a register available through the entire span.
        * resource.h (find_free_register): Update prototype.

Tue Aug 31 11:51:06 1999  Jim Kingdon  <http://developer.redhat.com>

        * i386.c (output_strlen_unroll): Don't write xops[7]
        label if it wasn't set.

1999-08-31 12:44 -0700  Zack Weinberg  <zack@bitmover.com>

        * cpplib.c (struct directive): Const-ify name pointer and
        function pointer prototype.
        (validate_else, do_define, do_line, do_include, do_undef,
        do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
        do_elif, do_endif, do_sccs, do_assert, do_unassert,
        do_warning): Const-ify second arg.
        (directive_table): Mark const.  Reorder entries by frequency
        of usage, record statistics.

1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>

        * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
        bounds- check RTL accesses if --enable-checking.
        (RTVEC_ELT): Bounds check if --enable-checking.
        (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
        XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
        (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
        GET_NUM_ELEM.
        (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
        X0BBDEF, X0ADVFLAGS):  New macros for accessing '0' slots of RTXes.

        (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
        (NOTE_SOURCE_FILE): Use X0STR.
        (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
        MEM_ALIAS_SET): Use X0INT.
        (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
        JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
        Use X0EXP.
        * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
        * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
        (rtl_check_failed_bounds, rtl_check_failed_type1,
        rtl_check_failed_type2, rtvec_check_failed_bounds): New
        functions.
        (fancy_abort): Fix comment.

        * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
        (cse_insn): Decrement LABEL_NUSES for jump target before
        deleting jump insn.
        * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
        * final.c (alter_subreg): Compute regno before changing x to
        REG; set REGNO(x) after changing it.
        * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
        notes containing CONST_INTs.
        (delete_eh_regions): Use NOTE_EH_HANDLER.
        * function.c (put_reg_into_stack): Make reg a MEM before
        initializing it.
        (fixup_var_refs_insns):  Save REG_NOTES (insn) in case we
        delete insn.
        (gen_mem_addressof): Make reg a MEM before initializing it.
        * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
        X0WINT.
        * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
        deleting an insn, not after.
        (block_alloc): Only look at PATTERN(insn) if we have to, and
        only if it's format class 'i'.
        * loop.c (check_dbra_loop): Check bl->biv->add_val is a
        CONST_INT before using its INTVAL.
        * print-rtl.c (print_rtx): Use X0STR.
        * regmove.c (fixup_match_1): Don't look at PATTERN of
        non-class-'i' insn chain elements.
        * reload.c (loc_mentioned_in_p): Take address of
        in->fld[1].rtx directly.
        * reload1.c (reload): Change reg to a MEM before initializing
        it.
        * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
        have no names.
        * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.

Fri Aug 20 13:43:41 1999  Andrew Haley  <aph@cygnus.com>

        * config/mips/mips.c (machine_dependent_reorg): Force a
        barrier to output the local constant pool if a barrier hasn't
        been found at a natural point in the instruction stream.

Mon Aug 30 22:04:36 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-parse.in (language_string): Constify.

        * dwarf2out.c (language_string): Remove declaration.

        * dwarfout.c (language_string): Likewise.

        * toplev.c (language_string, init_parse, finish_parse): Likewise.

        * tree.h (language_string, init_parse, finish_parse): Declare.

        * i386/sun386.h (language_string): Remove declaration.

        * mips.h (language_string): Likewise.

        * nextstep.h (language_string): Likewise.

        * nextstep21.h (language_string): Likewise.

        * rs6000.c (language_string): Likewise.

Mon Aug 30 20:56:08 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
        (getpwd.o): Remove target.

        * getpwd.c: Delete file.  Its in libiberty now.

        * dbxout.c (getpwd): Don't prototype.
        * dwarf2out.c (getpwd): Likewise
        * dwarfout.c (getpwd): Likewise
        * final.c (getpwd): Likewise.
        * protoize.c (getpwd): Likewise.

Mon Aug 30 20:21:34 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.

Mon Aug 30 16:07:49 1999  Richard Henderson  <rth@cygnus.com>

        * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
        mark_set_resources.

Mon Aug 30 12:23:53 1999  Jim Wilson  <wilson@cygnus.com>

        * fixinc/Makefile.in (subdir): New.
        (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
        (Makefile): New.

Mon Aug 30 01:02:09 1999  Jeffrey A Law  (law@cygnus.com)

        * emit-rtl.c (copy_rtx_if_shared): A MEM which references
        virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
        be shared.

        * invoke.texi: Fix typo.

        * dwarf2out.c (mem_loc_descriptor): New argument MODE.  All callers
        changed.  Handle autoincrement addressing modes.

        * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
        just like we would the virtual incoming args register when
        integrating.

Sun Aug 29 23:17:54 1999  David Edelsohn  <edelsohn@gnu.org>

        * rs6000.h (ASM_FILE_START): Specify complete filename, including
        path, in .file directive.

Sun Aug 29 05:06:43 1999  Russ Allbery  <rra@stanford.edu>

        * gcc.texi (External Bugs): Remove obsolete note about Perl on
        SunOS.

1999-08-29 08:38 -0700  Zack Weinberg  <zack@bitmover.com>

        * stdbool.h: Make the typedef name _Bool, with bool a #defined
        alias.

Sun Aug 29 09:36:50 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * tree.c (tree_code_name): Constify a char*.

        * tree.h (tree_code_name, decl_printable_name): Likewise.

        * function.h (struct function): Likewise.

        * toplev.c (decl_name, decl_printable_name): Likewise.

        * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.

        * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
        (init_objc): Remove function pointer cast.

Sun Aug 29 05:01:17 1999  John David Anglin <dave@hiauly1.hia.nrc.ca>

        * pa.md (interspace_jump): New pattern.
        (builtin_longjmp): New expander.

1999-08-29  Bernd Schmidt  <bernds@cygnus.co.uk>

        * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
        _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
        sf_to_df, df_to_sf): Fix potential problem with alias analysis.

Sun Aug 29 04:30:52 1999  John Wehle  (john@feith.com)

        * jump.c (delete_prior_computation): Also check calls
        to constant functions.  Don't bother checking for a
        REG_UNUSED note before adding it.
        (delete_computation): Handle multi-word hard registers
        when synthesizing missing REG_DEAD notes for a register
        which is both set and used by an insn.

1999-08-29  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * loop.c (this_loop_info): New variable.
        (loop_has_call, loop_has_volatile, loop_has_tablejump,
        loop_continue, loops_enclosed): Replace with fields in this_loop_info.
        All uses updated.
        (prescan_loop, strength_reduce): New argument loop_info.  All callers
        updated.
        (scan_loop): New variable loop_info, initialise to address of
        this_loop_info.
        (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
        Delete variable loop_has_multiple_exit targets and replace with
        field in this_loop_info.
        (find_and_verify_loops): Rename this_loop to this_loop_num.
        (strength_reduce): Delete loop_iteration_info.  Replace variable
        loop_info with function argument of same name.
        (insert_bct): Rework test for loop being completely unrolled.

        * loop.h (struct loop_info): New fields num, loops_enclosed,
        has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
        has_indirect_jump, and cont.  Redefine use of unroll_number.
        (loop_unroll_number): Delete.

        * unroll.c (unroll_loop): Store loop unroll count in unroll_number
        field of loop_info.
        (loop_iterations): Delete variable vtop and instead use
        loop_info->vtop computed in prescan_loop.

Sun Aug 29 03:27:23 1999  Scott Weikart <scott@igc.apc.org>

        * fix-header.c (main): Do not pass a null pointer to strcmp.

Sun Aug 29 03:18:48 1999  William Bader  (william@nscs.fast.net)

        * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
        filenames.
        * configure: Rebuilt.

Sat Aug 28 19:36:05 1999  Jeffrey A Law  (law@cygnus.com)

        * jump.c (jump_optimize_1): Do not delete assignments to
        internal_arg_pointer.
        * cse.c (delete_trivially_dead_insns): Always consider a set of
        the internal_arg_pointer live.

Sat Aug 28 16:24:31 1999  Richard Henderson  <rth@cygnus.com>

        * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
        (update_life_info) [REG_WAS_0]: Search the original insns rather
        than the new insns for the note.  Fix typos finding note_dest.
        If no dest found, discard the note rather than abort.
        [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
        (replace_insns): Remove the old insn list after update_life_info
        not before.

Sat Aug 28 16:20:12 1999  Richard Henderson  <rth@cygnus.com>

        * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
        sched_analyze_insn.
        (sched_analyze_1): Let add_dependence care for not adding dups.
        (sched_analyze_2): Likewise.
        (add_branch_dependences): Likewise.

Sat Aug 28 15:58:16 1999  Mumit Khan  <khan@xraylith.wisc.edu>

        * i386/winnt.c (export_list): New type.
        (exports_head): Rename to
        (export_head):  this.
        (i386_pe_record_exported_symbol): Add is_data flag.
        (i386_pe_asm_file_end): Emit directive for exported variables.
        * i386/cygwin.h (i386_pe_record_exported_symbol): Update
        prototype.
        * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
        (ASM_DECLARE_OBJECT_NAME): Likewise.
        (ASM_DECLARE_FUNCTION_NAME): Likewise.
        * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.

Fri Aug 27 15:35:24 1999  Jeffrey A Law  (law@cygnus.com)

        * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.

        * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
        operand.

Fri Aug 27 14:01:19 1999  Marc Espie <espie@cvs.openbsd.org>

        * config/openbsd.h: Define SET_ASM_OP.
        * tm.texi: cross-reference SET_ASM_OP in the index.

1999-08-27 13:27 -0700  Zack Weinberg  <zack@bitmover.com>

        * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
        for a CONST_DOUBLE, at compile time.  Initialize rtx_length
        and class_narrowest_mode at compile time.  Kill init_rtl.
        Mark rtx_length, mode_class, mode_size, mode_unit_size,
        mode_wider_mode, mode_mask_array, class_narrowest_mode, and
        rtx_format as const.  Kill all references to EXTRA_CC_MODES or
        EXTRA_CC_NAMES.
        * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
        format.
        * rtl.h: Declare rtx_length and rtx_format as const.
        * machmode.def: Define CC().  Use CC() to define CCmode.  If
        EXTRA_CC_MODES is defined, expand it here.
        * machmode.h: Declare mode_class, mode_size, mode_unit_size,
        mode_wider_mode, mode_mask_array, and class_narrowest_mode as
        const.  Kill all references to EXTRA_CC_MODES.

        * toplev.c: Don't prototype or call init_rtl.
        * optabs.c: Don't call init_mov_optab.
        * genemit.c: Don't generate init_mov_optab.  Don't call
        init_rtl.
        * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
        here.
        * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
        genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
        genrecog.c: Don't call init_rtl.

        * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
        rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES.  Use CC() in
        definition of EXTRA_CC_MODES.

        * md.texi: Kill ref to EXTRA_CC_NAMES.
        * tm.texi: Document new way to define EXTRA_CC_MODES.

        * genrecog.c: Do not look up the name of a define_split.
        (Unrelated bugfix.)

Fri Aug 27 17:03:42 1999  Nick Clifton  <nickc@cygnus.com>

        * config/v850/v850.md: Fix typo introduced by previous delta.

Fri Aug 27 09:48:59 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * gcc.c (fatal): Make definition static to match prototype.

Fri Aug 27 10:33:35 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * combine.c (get_last_value): Don't look for earlier sets if the last
        known set is somewhere in between the insns being combined.

Fri Aug 27 10:03:12 BST 1999  Nathan Sidwell  <nathan@acm.org>

        * configure.in: Don't use shell ! to negate exit codes
        * configure: Regenerate

Fri Aug 27 09:36:17 1999  Andreas Schwab  <schwab@suse.de>

        * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
        the fact that ALIGN is measured in bits, not bytes.

1999-08-27 00:27 -0700  Zack Weinberg  <zack@bitmover.com>

        * errors.c: New file; defines functions error, warning, and
        fatal, variables have_error and progname.
        * errors.h: New file; prototypes and decls for stuff in errors.c.

        * Makefile: Add rules to build errors.o and
        $(HOST_PREFIX)errors.o.  Link genconfig, gencodes, genemit,
        genopinit, genrecog, genextract, genpeep, genattr, and
        genoutput with errors.o.  Add errors.h to deps of genconfig.o,
        gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
        genpeep.o, genattr.o, and genoutput.o.

        * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
        genextract.c, genpeep.c, genattr.c:  Include errors.h.  Don't
        define or prototype fatal.  Set progname at beginning of main.
        * genoutput.c:  Likewise, and don't define or prototype error
        either.

        * c-typeck.c (c_expand_start_case): Return immediately if exp
        is an ERROR_MARK.
        * fold-const.c (operand_equal_p): Return immediately if arg1
        or arg0 are ERROR_MARKs.
        * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
        fields of type ERROR_MARK when calculating if the record can
        go in a register.

Fri Aug 27 01:03:48 1999  Jim Kingdon  <http://developer.redhat.com>
        with much help from Jeffrey A Law and Richard Henderson

        * i386.md: In the 6 insns which call output_fix_trunc,
        earlyclobber operands[0].

Fri Aug 27 01:01:51 1999  Philip Blundell  <pb@nexus.co.uk>

        * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
        creating new registers.

1999-08-26 23:09 -0700  Zack Weinberg  <zack@bitmover.com>

        * i386.h: Declare ix86_cpu_string, ix86_arch_string,
        i386_reg_alloc_order, i386_regparm_string,
        i386_align_loops_string, i386_align_jumps_string,
        i386_align_funcs_string, i386_preferred_stack_boundary_string,
        and i386_branch_cost_string as type "const char *".
        * i386.c: Define all above strings as type "const char *".

Thu Aug 26 20:36:30 1999  Jim Wilson  <wilson@cygnus.com>

        * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
        when emitting alignment padding.  Emit padding byte of 0 instead of 4.

Thu Aug 26 18:11:20 1999  Mark Mitchell  <mark@codesourcery.com>

        * tree.c (array_type_nelts): Don't create RTL_EXPRs from
        SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.

Thu Aug 26 19:33:23 1999  Jim Wilson  <wilson@cygnus.com>

        * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
        (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
        (dwarf2out_line, dwarf2out_finish): Likewise.
        * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.

Thu Aug 26 16:10:56 1999  Gavin Romig-Koch  <gavin@cygnus.com>

        * tree.c (lang_unsave_expr_now) : Correct return type.
        * tree.h (lang_unsave_expr_now) : Same.

Thu Aug 26 13:12:29 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
        instead of duplicating code.

Thu Aug 26 18:32:32 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * gcse.c (hash_scan_insn): Don't scan obvious no-ops.

1999-08-26 09:42 -0700  Zack Weinberg  <zack@bitmover.com>

        * tree.h: fancy_abort always takes three args.
        * resource.c: Move include of system.h before toplev.h.

Thu Aug 26 09:46:16 1999  Nick Clifton  <nickc@cygnus.com>

        * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
        as SYMBOL_REFs.

1999-08-25 22:10 -0700  Zack Weinberg  <zack@bitmover.com>

        * system.h: Don't redefine abort or trim_filename.
        * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
        or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
        whether or not __FUNCTION__ is available.
        * tree.h: Duplicate rtl.h's definition of abort, for files
        that don't include rtl.h.  Delete all code to perform type
        checking with a compiler other than GCC.
        * varray.h: Delete all code to perform type checking with a
        compiler other than GCC.  Make VARRAY_CHECK() always evaluate
        its arguments exactly once, using a statement expression.
        Adjust the VARRAY_<type> accessor macros to match.
        * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
        (_fatal_insn, _fatal_insn_not_found): New fns, take info on
        caller's location.  Define fatal_insn and fatal_insn_not_found
        as macros that use _fatal_insn and _fatal_insn_not_found.
        (fancy_abort, trim_filename): Kill prototypes.

        * rtl.c (trim_filename): Move here from toplev.c.
        (fancy_abort): New function.
        (DIR_SEPARATOR): Provide default definition.
        * tree.c (tree_check_failed, tree_class_check_failed): Go
        through fancy_abort.
        (tree_check, tree_class_check, cst_or_constructor_check,
        expr_check): Delete.
        * varray.c (varray_check_failed): New function.
        * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
        _fatal_insn and _fatal_insn_not_found.  Go through
        fancy_abort.
        (trim_filename, fancy_abort): Delete.

        * builtins.c (expand_builtin_args_info): Report ICE with abort.
        * except.c (start_catch_handler): Report ICE with error/abort
        combo.
        * final.c (output_operand_lossage): Likewise.
        * flow.c (verify_flow_info): Likewise.

        * gcc.c: Prototype fatal.
        * gengenrtl.c: Undef abort after including rtl.h not system.h.
        * genattr.c, genattrtab.c, genemit.c, genextract.c,
        genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
        Don't define fancy_abort.

Wed Aug 25 17:56:59 1999  Richard Henderson  <rth@cygnus.com>

        * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
        canonization.

Wed Aug 25 15:35:55 1999  Richard Henderson  <rth@cygnus.com>

        * m88k.h (VERSION_INFO2): Kill.
        (VERSION_STRING): Kill.
        (TM_RCS_ID): Kill.
        (VERSION_INFO1): Tidy.
        (TARGET_VERSION): Update.
        * m88k/dgux.h (VERSION_INFO2): Kill.
        (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
        * m88k/luna.h (VERSION_INFO1): Tidy.
        * m88k/sysv4.h (VERSION_INFO1): Likewise.
        * m88k.c (out_rcs_id, tm_rcs_id): Kill.
        (output_file_start): Adjust for death of VERSION_STRING.

1999-08-25 13:51 -0700  Jim Meyering  <meyering@ascend.com>

        * cpplib.c (detect_if_not_defined): New function.
        (do_if): Use it to detect potential once-only headers.

Wed Aug 25 14:00:18 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * c-common.c (combine_strings): Always set TREE_CONSTANT.

Wed Aug 25 15:27:22 1999  Gavin Romig-Koch  <gavin@cygnus.com>

        * combine.c (nonzero_bits) : Allow single-ly set registers to be
        anywere in the function only if they are pseudos and set before
        being used (not live at the start of the function).
        (num_sign_bit_copies) : Same.
        (get_last_value_validate) : Same.
        (get_last_value) : Same.

Wed Aug 25 11:13:29 1999  Richard Henderson  <rth@cygnus.com>

        * loop.c (express_from): Try harder to unify (* c N) and (* c M)
        where N and M are constant and N is an integer multiple of M.

Wed Aug 25 13:55:47 EDT 1999  Andrew MacLeod  <amacleod@cygnus.com>

        * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
        (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
        sbitmap_union_of_preds): Add prototypes.
        * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
        the intersection of successors with the new flow graph structures.
        (sbitmap_intersection_of_preds): New function to compute the
        intersection of predecessors with the new flow graph structures.
        (sbitmap_union_of_succs): New function to compute the union of
        successors with the new flow graph structures.
        (sbitmap_union_of_preds): New function to compute the union of
        predecessors with the new flow graph structures.
        * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
        (expr_reaches_here_p): Use edge and basic_block structures instead
        of s_preds and s_succs.
        (compute_cprop_avinout): Use new sbitmap routines.
        (pre_expr_reaches_here_p): Use edge and basic_block structures instead
        of s_preds and s_succs.
        * flow.c (compute_flow_dominators): Compute dominators using
        edges and basic blocks instead of s_preds and s_succs.

Wed Aug 25 13:41:47 EDT 1999  Andrew MacLeod  <amacleod@cygnus.com>

        * lists.c (unused_insn_list, unused_expr_list): New file for
        maintaining various types of lists. New statics for maintaining a
        cache of available INSN_LIST and EXPR_LIST nodes.
        (free_list): Static function for freeing a list of INSN/EXPR nodes.
        (alloc_INSN_LIST): Function to get a free INSN_LIST node.
        (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
        (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
        (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
        (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
        (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
        (free_INSN_LIST_node): Free an individual INSN_LIST node.
        * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
        (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
        (remove_dependence, free_pending_lists): Use new global routines.
        (flush_pending_lists, sched_analyze_insn): Use new global routines.
        (sched_analyze, compute_block_backward_dependences): Use new routines.
        (sched_analyze_1, sched_analyze_2): Use new routines.
        (schedule_insns): Use new global routines.
        * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
        prototypes.
        (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
        (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
        prototypes.
        * toplev.c (rest_of_compilation): Initialize node cache.
        * Makefile.in (OBJS): Add lists.o to list of object files.
        (lists.o): Add dependancies.

Wed Aug 25 17:31:56 1999  Nick Clifton  <nickc@cygnus.com>

        * config/v850/v850.md: Fix compile time warning messages.
        * config/v850/v850.c: Fix compile time warning messages.
        * config/v850/v850.h: Fix compile time warning messages.

Wed Aug 25 09:44:43 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
        Remove unused prototype for `init_lengths'.

Wed Aug 25 09:32:31 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * calls.c (emit_call_1): Mark parameter `stack_size' with
        ATTRIBUTE_UNUSED.
        (expand_call): Initialize variable `insn'.
        (emit_library_call): Likewise for variable `high_to_save'.
        (emit_library_call_value): Likewise.
        (store_one_arg): Likewise for variables `lower_bound' and
        `upper_bound'.

        * combine.c (try_combine): Likewise for variables `i2_code_number'
        and `other_code_number'.
        (find_split_point): Likewise for variables `pos', `unsignedp' and
        `inner'.
        (simplify_if_then_else): Likewise for variables `op' and `c1'.
        (simplify_and_const_int): Remove unused variable `width'.
        (merge_outer_ops): Likewise.

        * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
        HOST_WIDE_INT' when comparing against one.
        (simplify_relational_operation): Likewise.
        (cse_insn): Initialize variables `src_eqv_volatile',
        `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.

        * final.c (init_final): Constify parameter `filename'.
        (final_start_function): Mark parameter `optimize' with
        ATTRIBUTE_UNUSED.
        (profile_function): Likewise for parameters `first' and `optimize'.
        (output_source_line): Likewise for parameter `file'.

        * integrate.c (subst_constants): Cast a value to `size_t' when
        comparing against one.
        (mark_stores): Initialize variable `mode'.  Cast a value to
        `size_t' when comparing against one.

        * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.

        * loop.c (move_movables): Initialize variable `first'.
        (strength_reduce): Likewise for variable `increment'.
        (check_dbra_loop): Likewise for variable `comparison_val'.  Cast a
        value to `size_t' when comparing against one.
        (load_mems): Initialize variable `end_label'.

        * output.h (init_final): Constify parameter.

        * reload.c (decompose): Initialize variable `base'.

        * reload1.c (reload): Likewise for variable `is_scalar'.
        (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
        (choose_reload_regs): Initialize variable `mode'.
        (emit_reload_insns): Likewise for variable `store_insn'.
        (reload_cse_noop_set_p): Mark parameter `insn' with
        ATTRIBUTE_UNUSED.
        (reload_combine): Initialize variable `set'.

        * unroll.c (unroll_loop): Likewise for variable `local_label'.
        (copy_loop_body): Cast a value to `size_t' when comparing against
        one.

        * varasm.c (assemble_variable): Initialize variable `size_tree'.
        (const_hash): Add an `else abort()' in an if-else-if-else sequence.
        (remove_from_pending_weak_list): Mark parameter `name' with
        ATTRIBUTE_UNUSED.

Wed Aug 25 11:18:39 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * toplev.c (rest_of_compilation): Use decl_printable_name when opening
        gcse dump file.

Wed Aug 25 10:57:12 1999  Nick Clifton  <nickc@cygnus.com>

        * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
        (ASM_DECLARE_FUNCTION_NAME): Define.
        (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
        ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
        ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
        not already defined.

Wed Aug 25 01:36:11 1999  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
        of n_popped when call/call_value are not defined.

Wed Aug 25 01:25:14 1999  Jeffrey A Law  (law@cygnus.com)

        * tm.texi: GNU CC -> GCC conversion.
        (CC1_SPEC): Indicate it is used for all language front ends.

Tue Aug 24 23:43:03 1999  Mark Mitchell  <mark@codesourcery.com>

        * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
        NOTE_INSN_EH_REGION_END correctly.

Tue Aug 24 23:26:44 1999  Michael Tiemann  <tiemann@holodeck.cygnus.com>
                          Jeff Law <law@cygnus.com>

        * loop.c (strength_reduce): Automatically unroll loops if the
        unrolled loop size is smaller than the rolled loop size.

        * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
        and delete comment that code should be rewritten.

Tue Aug 24 22:56:35 1999  Jeffrey A Law  (law@cygnus.com)

        * haifa-sched.c (find_rgns): Mark a block found during the DFS search
        as reachable.

        * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.

Tue Aug 24 22:41:06 1999  Mumit Khan  <khan@xraylith.wisc.edu>

        * fixinc/mkfixinc.sh: Don't fix uwin headers.
        * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
        (LINK_SPEC): Add -u _main when building executables.
        (ASM_DECLARE_FUNCTION): Update from Cygwin.
        (ASM_FILE_END): Use the default for ix86-pe.
        * i386/xm-uwin.h (HAVE_BCOPY): Undefine.

Tue Aug 24 20:49:47 1999  Art Haas  <ahaas@neosoft.com>

        * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
        and ASM_CLOSE_PAREN are empty strings.

Wed Aug 25 12:46:22 1999  Fred Fish  <fnf@cygnus.com>
                          Geoffrey Keating <geoffk@cygnus.com>

        * Makefile.in (PREPROCESSOR_DEFINES): New macro.
        (protoize.o):  Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
        (unprotoize.o): Ditto.
        (test-protoize-simple): Don't define STD_PROTO_DIR.
        * protoize.c: Use PARAMS rather than PROTO.  Minor whitespace
        changes to make 'test-protoize-simple' pass.
        (STD_PROTO_DIR): Remove define.
        (STANDARD_EXEC_PREFIX): Supply default define.
        (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
        (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
        (target_version): New variable, init to DEFAULT_TARGET_VERSION.
        (GET_ENV_PATH_LIST): New macro.
        (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
        (do_processing): Initialize default_syscalls_dir using new
        macros.  Use it to initialize syscalls_absolute_filename.

Tue Aug 24 16:58:15 1999  Richard Henderson  <rth@cygnus.com>

        * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
        B into a register before emit_conditional_move.

Tue Aug 24 15:37:03 1999  Richard Henderson  <rth@cygnus.com>

        * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
        as (+ (+ (* a b) (* d e)) c).  Factor a common power-of-two
        multiplicand out of (+ (* a b) (* c d)).

Tue Aug 24 11:46:10 1999  Bob Manson <manson@cygnus.com>
                          Richard Henderson  <rth@cygnus.com>

        * haifa-sched.c (split_hard_reg_notes): Move to flow.c
        (new_insn_dead_notes): Likewise.
        (update_n_sets): Likewise.
        (update_flow_info): Move to flow.c, renamed to update_life_info;
        extend to handle multiple source insns.
        * flow.c: Include resource.h
        (unlink_insn_chain): New.
        (split_hard_reg_notes): New.
        (maybe_add_dead_note): New.
        (maybe_add_dead_note_use): New.
        (find_insn_with_note): New.
        (new_insn_dead_notes): New.
        (update_n_sets): New.
        (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
        (maybe_remove_dead_notes): New.
        (update_life_info): New.
        (prepend_reg_notes): New.
        (replace_insns): New.
        * output.h (update_life_info): Declare.
        * recog.c (split_block_insns): Use update_life_info.
        * resource.c (find_free_register): Use reg_alloc_order, don't use
        fixed regs, make sure the mode is supported, don't use new regs.
        (reg_dead_p): New.
        * rtl.h (replace_insns): Declare.

Tue Aug 24 13:48:39 1999  Nathan Sidwell  <nathan@acm.org>

        * expr.c (expand_expr): Cope with COND_EXPRs with one
        non-returning branch.

Mon Aug 23 22:28:16 1999  Mark Mitchell  <mark@codesourcery.com>

        * expr.c (store_expr): Always pass down the target, even when not
        doing CSE.

1999-08-24  Nick Clifton  <nickc@cygnus.com>

        * configure.in: Define target_cpu_default for v850 targets.
        * configure: Regenerate

        * config/v850/v850.h (TARGET_CPU_generic): Define.
        (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
        addresses are 4 byte aligned.

        * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
        addresses.

Tue Aug 24 09:32:07 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * genattr.c (function_unit_desc): Constify a char*.  Add prototype.
        (main): Add prototypes.

        * genattrtab.c (substitute_address, write_const_num_delay_slots,
        attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
        (write_attr_get): Emit prototypes along with function definition.
        (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
        (write_complex_function): Emit static prototype along with
        function definition.

        * genemit.c (gen_split): Emit prototypes along with function
        definition.

        * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
        Likewise for predicates and `insn_operand_predicate'.
        (process_template): Emit static prototype along with function
        definition.

        * genrecog.c (make_insn_sequence): Constify a char*.  Add
        prototypes for get_split_*().
        (write_subroutine): Emit prototypes along with function
        definition.

Tue Aug 24 12:35:20 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * gcse.c (find_avail_set): Follow chains of register-register copies.
        Use oprs_not_set_p to guarantee that the returned value can be
        substituted.
        (cprop_insn): Don't verify the return value of find_avail_set with
        oprs_not_set_p.

        * gcse.c (cprop_jump): New function, broken out of cprop_insn.
        (cprop_cc0_jump): New function.
        (cprop_insn): Break out new function cprop_jump and use it.
        Also use cprop_cc0_jump for machines with CC0.
        (cprop): Don't crash if cprop_insn turned the insn into a NOTE.

        * tree.h (current_function_calls_setjmp,
        current_function_calls_longjmp): Delete declarations.
        * dsp16xx.c: Include "function.h".
        * elxsi.c: Likewise.
        * gmicro.c: Likewise.
        * h8300.c: Likewise.
        * i370.c: Likewise.
        * m32r.c: Likewise.
        * mn10200.c: Likewise.
        * mn10300.c: Likewise.
        * ns32k.c: Likewise.
        * spur.c: Likewise.
        * v850.c: Likewise.

        * rtl.h (rtx_equal_function_value_matters): Declare.
        * toplev.c (rtx_equal_function_value_matters): Don't declare.
        * cse.c: Likewise.
        * function.c: Likewise.
        * emit-rtl.c: Likewise.

Tue Aug 24 02:47:44 1999  Jeffrey A Law  (law@cygnus.com)

        * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
        call.

1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>

        * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
        exactly.

Mon Aug 23 23:35:52 1999  Matthias Klose  <doko@cs.tu-berlin.de>

        * cpp.texi: Add a node documenting macro varargs (copied
        from extend.texi).

1999-08-23 22:23 -0700  Zack Weinberg  <zack@bitmover.com>

        * cppspec.c: Put a null pointer at the end of the new argv.

Mon Aug 23 21:23:24 1999  Jeffrey A Law  (law@cygnus.com)

        * configure.in: Remove code to select/de-select the haifa
        scheduler.  Every scheduled port gets haifa now.
        * configure: Rebuilt.
        * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
        * sched.c Deleted.
        * Makefile.in: Corresponding changes.

Mon Aug 23 16:04:13 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
        All callers changed.
        (prepare_float_lib_cmp): Likewise.
        Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
        * expr.h (emit_float_lib_cmp): Delete declaration.
        * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
        * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
        * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
        specially.
        (cmptf): Now conditional on TARGET_HARD_QUAD.

Fri Aug 20 17:52:27 1999  Jim Wilson  <wilson@cygnus.com>

        * resource.c (mark_target_live_regs): Use
        PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.

Fri Aug 20 19:07:55 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.

        * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.

        * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.

Fri Aug 20 18:53:43 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * rtl.h (rtx_format): Constify a char*.

        * rtl.c (rtx_format): Likewise.
        (copy_rtx, copy_most_rtx, read_rtx): Likewise.
        (init_rtl): Use accessor macro, not `rtx_format'.

        * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
        char*.

        * caller-save.c (mark_referenced_regs): Likewise.

        * combine.c (subst, make_compound_operation, known_cond,
        gen_rtx_combine, update_table_tick, get_last_value_validate,
        use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.

        * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
        refers_to_p, canon_reg, fold_rtx, cse_process_notes,
        count_reg_usage): Likewise.

        * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
        Likewise.

        * final.c (leaf_renumber_regs_insn): Likewise.

        * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
        dump_edge_info, count_reg_references): Likewise.

        * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
        fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
        Likewise.

        * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
        oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
        add_label_notes): Likewise.

        * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
        clear_struct_flag, count_sub_rtxs, count_alternatives,
        compares_alternatives_p, contained_in_p, walk_attr_value,
        write_expr_attr_cache): Likewise.

        * genconfig.c (walk_insn_part): Likewise.

        * genemit.c (max_operand_1, gen_exp): Likewise.

        * genextract.c (walk_rtx): Likewise.

        * genflags.c (num_operands): Likewise.

        * genoutput.c (scan_operands): Likewise.

        * genpeep.c (match_rtx): Likewise.

        * genrecog.c (add_to_sequence): Likewise.

        * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
        Likewise.

        * integrate.c (save_constants, copy_for_inline,
        copy_rtx_and_substitute, subst_constants, restore_constants):
        Likewise.

        * jump.c  (mark_jump_label, invert_exp, redirect_exp,
        rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.

        * local-alloc.c (contains_replace_regs, memref_referenced_p):
        Likewise.

        * loop.c (record_excess_regs, rtx_equal_for_loop_p,
        add_label_notes, replace_call_address, count_nonfixed_reads,
        invariant_p, find_single_use_in_loop, find_mem_givs,
        find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
        Likewise.

        * print-rtl.c (reg_names, print_rtx): Likewise.

        * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.

        * reg-stack.c (stack_regs_mentioned_p, record_label_references,
        record_reg_life_pat, swap_rtx_condition, goto_block_pat,
        print_blocks): Likewise.

        * regclass.c (fix_register, record_address_regs,
        reg_scan_mark_refs): Likewise.

        * regmove.c (stable_but_for_p): Likewise.

        * reload.c (loc_mentioned_in_p, operands_match_p,
        find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
        copy_replacements, refers_to_regno_for_reload_p,
        refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
        reload_when_needed_name, reg_class_names, debug_reload_to_stream):
        Likewise.

        * reload1.c (eliminate_regs, scan_paradoxical_subregs,
        delete_address_reloads_1, count_occurrences,
        reload_cse_mem_conflict_p, reload_combine_note_use,
        add_auto_inc_notes): Likewise.

        * resource.c (mark_referenced_resources, mark_set_resources):
        Likewise.

        * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
        reg_mentioned_p, regs_set_between_p, modified_between_p,
        modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
        rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
        may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
        jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.

        * sched.c (sched_analyze_2, attach_deaths): Likewise.

        * stupid.c (stupid_mark_refs): Likewise.

        * unroll.c (remap_split_bivs): Likewise.

        * varasm.c (mark_constants): Likewise.

        * a29k/a29k.c (uses_local_reg_p): Likewise.

        * alpha/alpha.c (summarize_insn): Likewise.

        * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
        eliminate_lr2ip): Likewise.

        * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.

        * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
        reg_mentioned_in_mem): Likewise.

        * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
        symbolic_reference_mentioned_p): Likewise.

        * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.

        * sh/sh.c (regs_used, mark_use): Likewise.

        * vax/vax.c (vax_rtx_cost): Likewise.

Fri Aug 20 18:38:43 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * machmode.h (mode_name): Constify a char*.

        * rtl.c (mode_name): Likewise.

        * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.

        * optabs.c (init_libfuncs): Constify a char*.

        * print-tree.c (mode_name): Remove redundant declaration.
        (print_node): Use accessor macro, not `mode_name'.

        * reload1.c (dump_needs): Constify a char*.  Use accessor macro,
        not `mode_name'.
        (new_spill_reg): Constify a char*.

        * tree.c (mode_name): Remove redundant declaration.

Fri Aug 20 18:31:26 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * rtl.c (rtx_name): Constify a char*.

        * rtl.h (rtx_name, fix_sched_param): Likewise.

        * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
        (mypr): Use accessor macro, not `rtx_name'.

        * genemit.c (print_code): Constify a char*.

        * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.

        * genpeep.c (print_code): Constify a char*.

        * genrecog.c (print_code): Likewise.

        * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
        end_bb): Add static prototype.
        (draw_edge): Constify a char*.
        (end_bb): Remove unused parameter.

        * haifa-sched.c (fix_sched_param, safe_concat, print_exp
        print_block_visualization): Constify a char*.

Fri Aug 20 15:02:10 1999  Mark Mitchell  <mark@codesourcery.com>

        * c-common.c (c_get_alias_set): Update comment.

1999-08-20  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

        * linux.h (LIB_SPEC): Added.

Fri Aug 20 22:32:17 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.

1999-08-19 18:43 -0700  Zack Weinberg  <zack@bitmover.com>

        * tree.c (expr_check): Fix typo in last change.

1999-08-19 14:44 -0700  Zack Weinberg  <zack@bitmover.com>

        * rtl.def (NOTE): Change format to "iuu0n".
        (ADDR_DIFF_VEC): Change format to "eEee0".
        (ADDRESSOF): Change format to "eit".

        * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
        (RTVEC_ELT): Change to match.
        (XVECEXP): Use XVEC and RTVEC_ELT.
        (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
        ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
        (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
        CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
        TRAP_CONDITION, TRAP_CODE): Use XEXP.
        (INTVAL): Use XWINT.
        (ADDRESSOF_DECL): Use XTREE.
        (SET_ADDRESSOF_DECL): Delete.
        (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
        NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill.  These have been
        ifdefed out since 2.6 at least.
        (gen_rtvec_vv): Delete prototype.

        * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
        not rtunion.
        (copy_most_rtx): Handle 't' format letter.
        * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
        (gen_rtvec_vv): Delete function.  All callers changed to use
        gen_rtvec_v instead.
        * print-rtl.c (print_rtx): Move special casing of NOTEs to
        the '0' format letter.

        * function.c (gen_mem_addressof): Don't use
        SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
        instead.
        * integrate.c (copy_rtx_and_substitute): Likewise.
        Copy 't' slots with XTREE.
        (subst_constants): Treat 't' slots like '[swi]' slots.
        * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
        * jump.c (rtx_equal_for_thread_p): Likewise.
        * rtlanal.c (rtx_equal_p): Likewise.
        * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
        only four arguments.
        * gengenrtl.c (type_from_format): Provide correct types for
        'b' and 't' slots.


        * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
        If a recent gcc is in use (always in stage2 and beyond), use
        statement expressions, so we don't make a function call unless
        the check fails.  Evaluate arguments exactly once.
        (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
        TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
        Delete.
        (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
        they evaluate their arguments exactly once, irrespective of
        the compiler in use.

        * tree.c [ENABLE_CHECKING]: Define whichever set of functions
        is used by the currently-enabled check macros.  This is:
        (tree_check_failed, tree_class_check_failed): For gcc.
        (tree_check, tree_class_check, cst_or_constructor_check,
        expr_check): For other compilers.

        * gencheck.c: Do not define any *_CHECK1 macros.

Thu Aug 19 14:42:38 1999  Mike Stump <mrs@wrs.com>
                          Mark Mitchell <mark@codesourcery.com>

        * c-common.c (c_get_alias_set): Fix support for poitners and
        references.

Thu Aug 19 11:51:22 EDT 1999  John Wehle  (john@feith.com)

        * alias.c: Include tree.h.
        (nonlocal_reference_p, mark_constant_function): New functions.
        * flow.c (life_analysis): Call mark_constant_function.
        * rtl.h (mark_constant_function): Declare it.

Thu Aug 19 15:02:01 1999  Nick Clifton  <nickc@cygnus.com>

        * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
        unrecognisable switches.

Wed Aug 18 23:31:57 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * loop.c (recombine_givs): Set ix field after sorting.
        (recombine_givs): Remove bogus index / giv lockstep looping.

Wed Aug 18 18:20:40 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
        on CODE.
        (emit_store_flag_force): Use do_compare_rtx_and_jump.
        (do_cmp_and_jump): Formatting fixes.
        * expr.c (do_compare_and_jump): Renamed from compare; changed to call
        do_compare_rtx_and_jump instead of compare_from_rtx.
        (do_compare_rtx_and_jump): New function; mostly copied from
        compare_from_rtx.
        (do_jump_for_compare): Delete.
        (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
        MIN_EXPR.
        (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
        of compare/do_jump_for_compare pairs.
        (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
        (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
        compare_from_rtx/do_jump_for_compare pairs.
        (do_jump_by_parts_equality): Likewise.
        (do_jump_by_parts_equality_rtx): Likewise.
        * expr.h (do_compare_rtx_and_jump): Declare.
        * optabs.c (prepare_cmp_insn): New function, contains most of the code
        that used to be in emit_cmp_insn.
        (cmp_available_p): New function.
        (prepare_operand): New function.
        (emit_cmp_and_jump_insn_1): New function, contains some code that used
        to be in emit_cmp_insn.
        (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
        parameters to be pointers; don't emit final compare but modify some of
        the values pointed to by the args so the caller can perform the
        correct comparison.
        (expand_binop): Call emit_store_flag_force with signed forms of
        comparison code.
        (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
        emit_jump_insn pair.
        (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
        emit_cmp_and_jump_insn_1.  Call emit_queue.
        (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
        arg.
        * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
        jump sets cc0 before deleting it.
        * integrate.c (expand_inline_function): Likewise.
        * unroll.c (unroll_loop): Similar changes in several places.
        (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
        before deleting it.

Wed Aug 18 06:37:44 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * Makefile.in (insn-recog.o): Update dependencies.
        * genrecog.c (main): Make generated file include "function.h".

Sat Aug 14 00:54:57 1999  Geoffrey Keating  <geoffk@cygnus.com>

        * cse.c (cse_insn): Call never_reached_warning when a jump is
        changed to be unconditional.
        * flags.h: Declare warn_notreached.
        * flow.c (delete_block): Call never_reached_warning when
        a block is deleted.
        * jump.c (delete_barrier_successors): Call never_reached_warning
        when we delete everything after a BARRIER.
        (never_reached_warning): New function.
        * rtl.h: Declare never_reached_warning.
        * toplev.c (warn_notreached): New variable.
        (lang_independent_options): Set warn_notreached
        when -Wunreachable-code.
        (compile_file): We need line numbers for -Wunreachable-code.

Tue Aug 17 22:06:11 1999  Jan Hubicka  <hubicka@freesoft.cz>

        * haifa-sched.c (insn_unit): Fix typo on out of range test.
        * sched.c (insn_unit): Likewise.

Tue Aug 17 21:57:23 1999  Andreas Schwab  <schwab@suse.de>

        * combine.c (distribute_notes): Handle REG_EH_RETHROW.

Tue Aug 17 17:39:43 EDT 1999  Andrew MacLeod  <amacleod@cygnus.com>

        * flow.c (create_edge_list): Use xmalloc, not malloc.

Tue Aug 17 01:40:54 1999  Loren Rittle  <ljrittle@acm.org>

        * fixinc/inclhack.def (no_double_slash): Do not trash single-line
        C-style comments.  Do not lose the character before double slash.

Mon Aug 16 18:08:22 EDT 1999  Andrew MacLeod  <amacleod@cygnus.com>

        * basic-block.h (struct edge_list): Stucture to maintain a vector
        of edges.
        (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
         INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
        (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
        New function prototypes.
        * flow.c (create_edge_list): Function to create an edge list.
        (free_edge_list): Discards memory used by an edge list.
        (print_edge_list): Debug output showing an edge list.
        (verify_edge_list): Internal consistency check for an edge list.
        (find_edge_index): Function to find an edge index for a pred and succ.

Mon Aug 16 11:56:36 1999  Mark Mitchell  <mark@codesourcery.com>

        * tree.c (type_hash_add): Use permalloc to allocate nodes in the
        hashtable.

Mon Aug 16 17:04:15 1999  Jorn Rennecke <amylaar@cygnus.co.uk>

        * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.

Fri Aug 13 15:20:43 1999  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.

Fri Aug 13 10:21:28 1999  Nick Clifton  <nickc@cygnus.com>

        * toplev.c (rest_of_compilation): Allow machine dependent
        reorganisation pass to place information into the RTL dump
        file if it so wishes.

Sun Aug 15 12:41:21 1999  Jim Wilson  <wilson@cygnus.com>

        * explow.c (hard_function_value): Use VOIDmode instead of
        MAX_MACHINE_MODE.
        * stmt.c (expand_return): Likewise.
        * stor-layout.c (get_best_mode): Likewise.

        * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
        emit call instead of emit_insn call.

Sat Aug 14 15:04:06 1999  Mumit Khan  <khan@xraylith.wisc.edu>

        * configure.in: Handle --disable/enable-win32-registry.
        * install.texi: Document --disable/enable-win32-registry.
        * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
        (WIN32_REGISTRY_KEY): New macro.
        * prefix.c: Use to enable/disable win32-specific code.
        (lookup_key): Use versioned key.
        * configure: Regenerate.
        * config.in: Likewise.

Fri Aug 13 17:41:55 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * cpplib.c (read_line_number): New fn, split out of...
        (do_line): Here.

Fri Aug 13 14:18:27 1999  Gavin Romig-Koch  <gavin@cygnus.com>

        tree.c (lang_unsave_expr_now) : New.
        (unsave_expr_now): Call lang_unsave_expr_now.
        tree.h (lang_unsave_expr_now) : New.

Fri Aug 13 00:49:46 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * toplev.c (flag_new_exceptions): On by default.

1999-08-13  Michael Meissner  <meissner@cygnus.com>

        * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.

Fri Aug 13 01:29:57 1999  Alexandre Oliva  <oliva@dcc.unicamp.br>

        * dwarfout.c (fundamental_type_code): Return FT_boolean for
        INTEGER_TYPE with precision==1, it's __java_boolean.

Thu Aug 12 23:51:04 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * global.c (prune_preferences): Move some invariants out of the
        inner loop.

Thu Aug 12 15:30:29 1999  Jesse Perry  (jap@unx.dec.com)

        * configure.in (alpha*-dec-osf*): Add osf5.

Sun Aug  1 22:24:03 1999  Philip Blundell  <philb@gnu.org>

        * configure.in: Rework handling of ARM GNU/Linux slightly.
        (arm*-*-linux-gnuoldld): New target.
        * configure: Regenerate.
        * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
        arm-*-elf.  Mention that arm-*-linux-gnuaout is obsolete.
        * config/arm/linux-oldld.h: New file.
        * config/arm/linux-elf26.h: Don't include linux-elf.h.
        (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
        Don't define.
        * config/arm/linux-elf.h (ASM_SPEC): Define.
        (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
        SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
        for 26-bit APCS and old linker.
        (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
        `arm_elf'.
        (FP_DEFAULT): Define to FP_SOFT3 for all machines.
        * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
        don't define `arm' or `arm_elf'.
        * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
        MULTILIB_DIRNAMES): Define.  Fix typo in comment.

Thu Aug 12 10:14:47 1999  Andreas Schwab  <schwab@suse.de>

        * rtl.texi: Fix typo.

Wed Aug 11 23:50:57 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * invoke.texi (C++ Dialect Options): Add -fms-extensions.

Wed Aug 11 12:59:37 1999  Mark Mitchell  <mark@codesourcery.com>

        * extend.texi (C++ Signatures): Remove node.
        * invoke.texi: Remove discussion of -fhandle-signatures,
        signature, sigof, __signature__, and __sigof__.

Wed Aug 11 03:38:25 1999  Jeffrey A Law  (law@cygnus.com)

        * Makefile.in (JAVAGC): Removed.

Wed Aug 11 02:13:26 1999  Mumit Khan  <khan@xraylith.wisc.edu>

        * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.

1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>

        * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.

1999-08-11  Richard Earnshaw (rearnsha@arm.com)

        * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
        a register that is already known to be a pointer.

1999-08-11  Bruce Korb  <ddsinc09@ix.netcom.com>

        * fixinc/inclhack.tpl: Only install assert.h conditionally.
        * fixinc/inclhack.sh: Regenerated.
        * fixinc/fixincl.sh: Regenerated.

Wed Aug 11 00:34:22 1999  Joe Buck  <jbuck@synopsys.com>

        * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
        Fix documentation of -ansi flag to describe its C++ behavior.
        Remove bogus reference to GCC 2.9.

Tue Aug 10 17:19:02 1999  Jim Wilson  <wilson@cygnus.com>

        * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
        note if it is non-NULL.

Tue Aug 10 10:47:42 EDT 1999  Andrew MacLeod  <amacleod@cygnus.com>

        * except.h (eh_nesting_info): Add new structure defintion.
        (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
        (reachable_handlers, update_rethrow_references): Add function
        prototypes.
        * rtl.h (struct rtvec_def): Update comments.  REG_EH_RETHROW takes
        a rethrow symbol instead of an integer exception region number.
        * flow.c (Make_edges): Use new exception nesting routines to determine
        which handlers are reachable from a CALL or asynchronous insn.
        Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
        goto receivers.
        (delete_eh_regions): Update rethrow labels, and don't delete
        regions which are the target of a rethrow.
        * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
        avoid overloading the SYMBOL_REF_USED flag.
        (rethrow_symbol_map): Use new rethrow_ref field.
        (rethrow_used): Use new rethrow_ref field.
        (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
        of an integer.  Fix formatting.
        (output_exception_table_entry): Use new rethrow_ref field.
        (can_throw): Check for EH_REGION_NOTE before deciding
        whether a CALL can throw or not.
        (scan_region): Call rethrow_used() instead of accessing data structure.
        (update_rethrow_references): New function to make sure only regions
        which are still targets of a rethrow are flagged as such.
        (process_nestinfo): New static function to initialize a handler
        list for a specific region.
        (init_eh_nesting_info): New function to allocate and initialize
        the list of all EH handlers reachable from all regions.
        (reachable_handlers): New function to retrieve the list of handlers
        reachable from a specific region and insn.
        (free_eh_nesting_info): New function to dispose of a list of
        reachable handlers.

Tue Aug 10 10:39:31 EDT 1999  Andrew MacLeod  <amacleod@cygnus.com>

        * flow.c (split_edge): Set JUMP_LABEL field.
        (commit_one_edge_insertion): Set head correctly for insert_before.
        When inserting insns, update insn block numbers if allocated.

Tue Aug 10 09:26:07 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
        retry_incomplete_types): Add static prototype.
        (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
        dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
        dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
        dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
        dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
        Constify a char*.

        * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
        dwarf2out_start_source_file, dwarf2out_line): Likewise.

Tue Aug 10 09:21:46 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * output.h (assemble_name): Constify a char*.

        * varasm.c (UNIQUE_SECTION, assemble_start_function,
        assemble_variable, assemble_name): Likewise.

        * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.

        * arm/pe.c (arm_pe_unique_section): Likewise.

        * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.

        * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.

        * i386/interix.c (i386_pe_unique_section): Likewise.

        * i386/win32.h (STRIP_NAME_ENCODING): Likewise.

        * i386/winnt.c (i386_pe_unique_section): Likewise.

        * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.

        * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.

        * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.

        * pa/pa.c (output_call): Likewise.

        * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.

        * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.

        * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
        Likewise.

        * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
        Likewise.

        * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.

        * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
        STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.

        * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.

Mon Aug  9 19:54:05 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.

Mon Aug  9 19:36:00 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * tree.h (lang_identify): Constify a char*.
        (print_error_function): Add extern prototype.  Constify a char*.

        * c-lang.c (lang_identify): Constify a char*.

        * objc/objc-act.c (lang_identify): Constify a char*.

Mon Aug  9 16:21:53 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * genpeep.c (main): Make generated file include "function.h".
        * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.

Mon Aug  9 10:08:50 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * Makefile.in: Update dependencies.
        * alias.c: Include "function.h"
        * c-decl.c: Likewise.
        * caller-save.c: Likewise.
        * calls.c: Likewise.
        * combine.c: Likewise.
        * cse.c: Likewise.
        * explow.c: Likewise.
        * final.c: Likewise.
        * global.c: Likewise.
        * graph.c: Likewise.
        * local-alloc.c: Likewise.
        * loop.c: Likewise.
        * optabs.c: Likewise.
        * profile.c: Likewise.
        * recog.c: Likewise.
        * regclass.c: Likewise.
        * regmove.c: Likewise.
        * reload.c: Likewise.
        * reorg.c: Likewise.
        * resource.c: Likewise.
        * sched.c: Likewise.
        * stupid.c: Likewise.
        * config/1750a/1750a.c: Likewise.
        * config/a29k/a29k.c: Likewise.
        * config/arc/arc.c: Likewise.
        * config/arm/arm.c: Likewise.
        * config/arm/thumb.c: Likewise.
        * config/c4x/c4x.c: Likewise.
        * config/clipper/clipper.c: Likewise.
        * config/convex/convex.c: Likewise.
        * config/fx80/fx80.c: Likewise.
        * config/i860/i860.c: Likewise.
        * config/m68k/m68k.c: Likewise.
        * config/m88k/m88k.c: Likewise.
        * config/mips/mips.c: Likewise.
        * config/pdp11/pdp11.c: Likewise.
        * config/pyr/pyr.c: Likewise.
        * config/romp/romp.c: Likewise.
        * config/sh/sh.c: Likewise.
        * config/tahoe/tahoe.c: Likewise.
        * config/vax/vax.c: Likewise.
        * config/we32k/we32k.c: Likewise.
        * config/sparc/sparc.c: Include "function.h".
        (mem_min_alignment): Test current_function rather than
        regno_pointer_align.
        * config/pa/pa.c: Likewise.
        (compute_frame_size): Delete declaration of
        current_function_outgoing_args_size.
        * config/arc/arc.h (current_function_varargs): Delete declaration.
        * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
        declaration.
        * config/i370/i370.h (current_function_outgoing_args_size): Delete
        declaration.
        * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
        current_function_uses_pic_offset_table.
        * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
        of current_function_returns_pointer.
        * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
        * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
        * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
        * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
        * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
        * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
        * config/m88k/m88k.c: Include "function.h"
        (call_used_regs, current_function_pretend_args_size,
        current_function_outgoing_args_size, frame_pointer_needed): Delete
        declarations.
        * config/m88k/m88k.h (current_function_pretend_args_size): Delete
        declaration.
        * config/mips/mips.h (current_function_calls_alloca): Delete
        declaration.
        * config/mn10200/mn10200.h (current_function_needs_context,
        rtx_equal_function_value_matters): Delete declarations.
        * config/ns32k/ns32k (current_function_uses_pic_offset_table,
        flag_pic): Delete declarations.
        * config/pa/pa.h (current_function_pretend_args_size,
        current_function_decl): Delete declarations.
        * config/pa/som.h (current_function_varargs): Delete declaration.
        * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
        declaration.
        * config/pyr/pyr.h (current_function_pretend_args_size,
        current_function_args_size, current_function_calls_alloca): Delete
        declarations.
        * config/sh/sh.h (current_function_varargs): Delete declaration.
        * config/sparc/sparc.h (current_function_outgoing_args_size,
        current_function_calls_alloca, current_function_decl): Delete
        declarations.
        * config/spur/spur.h (current_function_pretend_args_size,
        current_function_calls_alloca): Delete declarations.
        * config/v850/v850.c (current_function_outgoing_args_size): Delete
        declaration.
        * config/vax/vms.h (current_function_name): Delete declaration.
        * gcse.c: Include "function.h".
        (current_function_name, current_function_calls_setjmp): Delete
        declarations.
        * haifa-sched.c: Include "function.h".
        (forced_labels): Delete declaration.
        * jump.c: Likewise.
        * reg-stack.c: Likewise.
        * reload1.c: Likewise.
        * genemit.c (main): Make generated file include function.h.
        * genoutput.c (output_prologue): Likewise.

        * builtins.c (saveregs_value, apply_args_value): Delete variables.
        * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
        sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
        regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
        regno_reg_rtx, sequence_stack): Delete variables.  Add accessor
        macros for some of them.
        (emit_filename, emit_lineno): Delete declarations.
        (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy.  Access
        regno_pointer_* variables through current_function.
        (gen_inline_header_rtx): Delete function.
        (save_emit_status): Delete function.
        (set_new_last_label_num): New function.
        (clear_emit_caches): New function.
        (restore_emit_status): Just clear last_labelnum and call
        clear_emit_caches.
        (get_last_insn_anywhere): Variable sequence_stack is now accessed
        through macro seq_stack.
        (add_insn_after): Likewise.
        (add_insn_before): Likewise.
        (remove_insn): Likewise.
        (pop_topmost_sequence): Likewise.
        (in_sequence_p): Likewise.
        (start_sequence_for_rtl_expr): Likewise.
        (start_sequence): Likewise, and likewise for
        sequence_rtl_expr/seq_rtl_expr.
        (push_topmost_sequence): Likewise.
        (end_sequence): Likewise.
        (init_virtual_regs): Now takes a "struct emit_status *" argument.
        All callers changed.  Store into that pointer instead of globals.
        (init_emit): Allocate emit elt of current_function.
        Changes for sequence_rtl_expr/sequence_stack renaming.
        Call clear_emit_caches instead of doing it in-line.
        Access regno_pointer_* variables through current_function.
        (init_emit_once) Don't clear sequence_stack.

        * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
        Delete variables.
        (arg_pointer_save_area): Delete declaration.
        (finish_expr_for_function): Renamed from init_queue; no longer static.
        (init_expr): Don't call init_queue.
        (save_expr_status, restore_expr_status): Delete functions.
        (expand_expr): Changes to reflect new layout of struct function.
        Don't access current_function_check_memory_usage when current_function
        is 0.
        * expr.h (forced_labels, save_expr_regs, saveregs_value,
        apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
        current_function_outgoing_args_size, current_function_arg_offset_rtx,
        current_function_uses_const_pool, function_call_count,
        current_function_uses_pic_offset_table, nonlocal_labels,
        current_function_internal_arg_pointer, nonlocal_goto_stack_level,
        current_function_check_memory_usage, nonlocal_goto_handler_slots,
        pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
        declarations.
        (finish_expr_for_function): Declare.
        * flags.h (current_function_has_nonlocal_label,
        current_function_has_nonlocal_goto, current_function_is_thunk,
        current_function_has_computed_jump): Delete declarations.
        * flow.c (forced_labels): Delete declaration.
        * function.c (current_function_pops_args,
        current_function_returns_struct, current_function_returns_pcc_struct,
        current_function_needs_context, current_function_calls_setjmp,
        current_function_calls_longjmp, current_function_has_nonlocal_label,
        current_function_has_nonlocal_goto, current_function_is_thunk,
        current_function_has_computed_jump, current_function_calls_alloca,
        current_function_contains_functions, current_function_returns_pointer,
        current_function_epilogue_delay_list, current_function_args_size,
        current_function_pretend_args_size, current_function_arg_offset_rtx,
        current_function_outgoing_args_size, current_function_varargs,
        current_function_stdarg, current_function_args_info, cleanup_label,
        current_function_name, current_function_uses_const_pool,
        current_function_instrument_entry_exit, current_function_return_rtx,
        current_function_uses_pic_offset_table, nonlocal_labels,
        current_function_internal_arg_pointer, current_function_cannot_inline,
        current_function_check_memory_usage, function_call_count,
        nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
        nonlocal_goto_stack_level, return_label, save_expr_regs,
        stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
        tail_recursion_reentry, arg_pointer_save_area, frame_offset,
        context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
        last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
        temp_slot_level, var_temp_slot_level, target_temp_slot_level):
        Delete variables.
        (push_function_context_to): Don't save them.  Don't call
        save_storage_status, save_emit_status or save_expr_status.
        (pop_function_context_from): Don't restore them.  Don't call
        restore_storage_status or restore_expr_status.
        (get_func_frame_size): New function.
        (get_frame_size): Use it.
        (assign_outer_stack_local): Reflect some member name changes in struct
        function.
        (put_reg_into_stack): Likewise.
        (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
        seq_rtl_expr.
        (fixup_var_refs): Likewise.
        (fix_lexical_addr): Likewise.
        (trampoline_address): Likewise.
        (prepare_function_start): Clear field inlinable of current_function.
        (init_function_for_compilation): New function.
        (expand_dummy_function_end): New function.
        (expand_function_end): Call finish_expr_for_function.
        * function.h (struct emit_status): New; fields moved here from struct
        function and from global variables.  Add accessor macros for some of
        the fields.
        (struct expr_status): Likewise.
        (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
        (struct function): Add fields expr and emit, inlinable, inl_emit,
        original_arg_vector, original_decl_initial, inl_last_parm_insn,
        inl_max_label_num.  Add many comments.
        Add accessor macros for all elts of struct function that no longer
        have a global variable.
        (cleanup_label, return_label, frame_offset, tail_recursion_label,
        tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
        stack_slot_list): Delete declarations.
        (get_func_frame_size): Declare.
        (save_expr_status, restore_expr_status, save_emit_status,
        save_storage_status, restore_storage_status): Delete declarations.
        (init_virtual_regs): Declare.
        * output.h (current_function_pops_args,
        current_function_returns_struct, current_function_returns_pcc_struct,
        current_function_needs_context, current_function_calls_setjmp,
        current_function_calls_longjmp, current_function_calls_alloca,
        current_function_has_nonlocal_label, current_function_varargs,
        current_function_has_computed_jump, current_function_returns_pointer,
        current_function_contains_functions, current_function_args_size,
        current_function_pretend_args_size, current_function_stdarg,
        current_function_outgoing_args_size, current_function_args_info,
        current_function_name, current_function_return_rtx,
        current_function_epilogue_delay_list,
        current_function_uses_const_pool, current_function_cannot_inline):
        Delete declarations.
        * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
        regno_reg_rtx): Delete declaration.
        (REGNO_POINTER_FLAG): Delete macro.
        * stmt.c (expand_goto): Changes to reflect that some fields in struct
        function were renamed.
        * stor-layout.c (save_storage_status, restore_storage_status): Delete
        functions.
        * toplev.c: Include "function.h".
        (current_function_decl): Delete declaration.
        (compile_file): Call init_dummy_function_start and
        expand_dummy_function_end around some initializations that need to
        emit rtl.
        (rest_of_compilation): Use DECL_SAVED_INSNS properly.
        Call init_function_for_compilation.
        * unroll.c: Include "function.h"
        (unroll_loop): Access regno_pointer_* variables through
        current_function.

        * tree.h (struct tree_decl): Add elt f to saved_insns member.
        (DECL_SAVED_INSNS): use it.
        (expand_dummy_function_end): Declare.
        (init_function_for_compilation): Declare.
        * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
        that it's no longer an INLINE_HEADER.
        (expand_call): Likewise.
        * integrate.c (finish_inline): Delete function.
        (max_parm_reg, parm_reg_stack_loc): Delete declarations.
        (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
        args.  Don't generate an INLINE_HEADER rtx, just return the arg
        vector.  All callers changed.
        (save_for_inline_copying):  Create a duplicate struct emit_status to
        hold the emit state for compiling the current function.  Use this and
        the other new fields in struct function that are for integration
        instead of an INLINE_HEADER.
        Use memcpy instead of bcopy.
        Store the current struct function in DECL_SAVED_INSNS of fndecl.
        (save_for_inline_nocopy): Similar changes, except no new emit_status
        is needed here.
        (expand_inline_function): Get information from function structure,
        not from an inline header rtx.
        (output_inline_function): Lose code to extract the necessary
        information from an inline header; simply put back the function
        structure into current_function.  Clear its inlinable elt.
        * rtl.def (INLINE_HEADER): Delete.
        * rtl.h: Delete all accessors for an INLINE_HEADER.
        (gen_inline_header_rtx): Delete declaration.
        (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
        Delete declarations.
        (REGNO_POINTER_ALIGN): Delete.
        (clear_emit_caches): Declare.
        (set_new_last_label_num): Declare.

Mon Aug  9 01:52:24 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * print-tree.c (print_node): Print base for OFFSET_TYPEs.

        * except.c (expand_eh_region_start_for_decl): Always start a new block.
        * stmt.c (is_eh_region): Make sure current_function is present, too.

Mon Aug  9 01:15:24 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
        for 64bit PA targets.

        * pa.h (SELECT_SECTION): Define.
        * som.h (SELECT_SECTION): Delete.

Sun Aug  8 15:13:20 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * alias.c (init_alias_analysis): Wrap call to
        `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.

1999-08-07  Bruce Korb  <autogen@linuxbox.com>

        * fixinc/inclhack.def(irix_asm_apostrophe):  IRIX 5.2's
        <sys/asm.h> contains an asm comment with an apostrophe
        * fixinc/inclhack.sh:  regen
        * fixinc/fixincl.x:  regen

Sat Aug  7 19:37:07 1999  Richard Henderson  <rth@cygnus.com>

        * function.c (init_function_start): Clear prologue & epilogue.
        (prologue_epilogue_contains): New function.
        * alias.c (init_alias_analysis): Use it.
        * rtl.h (prologue_epilogue_contains): Declare it.

Sat Aug  7 19:32:16 1999  Richard Henderson  <rth@cygnus.com>

        * jump.c (onlyjump_p): New function.
        * rtl.h: Declare it.
        * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
        of condjump_p in calling tidy_fallthru_edge and merge_blocks.

Sat Aug  7 17:09:36 1999  Richard Henderson  <rth@cygnus.com>

        * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
        to invert loops.  Simplify block scanning.

Sat Aug  7 02:11:13 1999  Bernd Schmidt <bernds@cygnus.co.uk>

        * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
        (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.

1999-08-07  Jonathan Larmour  <jlarmour@cygnus.co.uk>

        * config/sparc/liteelf.h: New file to support sparclite-elf target
        * config/sparc/t-sp86x: New file to support sparc86x targets
        * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
        * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
        * configure.in: Support above target triplets
        * configure: Regenerated

Sat Aug  7 01:39:27 1999  Philippe De Muyter  <phdm@macqel.be>

        * fixinc/server.c (server_setup): Do not prefix function used as
        parameter with `&'.

Sat Aug  7 00:21:20 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
        Remove fp reg alternatives.

Sat Aug  7 00:06:54 1999  Jeffrey A Law  (law@cygnus.com)

        * Makefile.in (TAROUTOPTS): Kill.
        (install-headers-tar): Use "xpf" for tar headerfile extraction
        * i370/x-oe (TAROUTOPTS): Delete.
        * m68k/x-apollo68 (TAROUTOPTS): Delete.
        * m68k/x-hp320 (TAROUTOPTS): Delete.
        * m68k/x-hp320g (TAROUTOPTS): Delete.
        * gcc.texi: Update bug reporting text.

1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>

        * reg-stack.c (change_stack) Fixed problem with negative array index.

Fri Aug  6 23:08:44 1999  Jeffrey A Law  (law@cygnus.com)

        * extend.texi, install.texi: Fix spelling mistakes.

        * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
        (s-attrtab); No longer try to use pre-made insn-attrtab file.
        * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
        PREMADE_ATTRTAB_MD.
        * mips/t-ecoff: Likewise.
        * mips/t-elf: Likewise.
        * mips/t-mips: Likewise.
        * mips/t-osfrose: Likewise.
        * mips/t-r3900: Likewise.
        * mips/t-svr3: Likewise.
        * mips/t-svr4: Likewise.
        * mips/t-ultrix: Likewise.

        * gcc.texi: Document recommend means to provide software floating
        point libraries in libgcc.a

1999-08-06  Jason Merrill  <jason@yorick.cygnus.com>

        * c-lex.c (yylex): We can have a number with no digits.

Fri Aug  6 16:53:55 EDT 1999  John Wehle  (john@feith.com)

        * jump.c (delete_prior_computation): New function, broken
        out of delete_computation.  Check for side effects with
        side_effects_p instead of FIND_REG_INC_NOTE.  Handle
        multi-word hard registers.
        (delete_computation): Use it.  Check for side effects with
        side_effects_p instead of FIND_REG_INC_NOTE.  Synthesize a
        missing REG_DEAD note for a register which is both set and
        used by an insn.

Fri Aug  6 11:05:29 1999  Jeffrey A Law  (law@cygnus.com)

        * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
        (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
        (ASM_FILE_START): Import _mcount with the right type.
        (ASM_DECLARE_FUNCTION_NAME): Define.
        (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
        * pa.c (output_function_prologue): Always emit the function's label
        here.
        * pa.h (TEXT_SPACE_P): Define.
        (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
        (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
        * som.h (TEXT_SPACE_P): Delete.
        (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
        (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.

Thu Aug  5 19:29:39 1999  Jim Wilson  <wilson@cygnus.com>

        * expr.c (emit_group_load): Allow src to be a CONCAT.

Thu Aug  5 22:27:15 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
        (___mulsi3): Use '!' comment character.

Thu Aug  5 13:34:14 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".

Thu Aug  5 02:40:42 1999  Jeffrey A Law  (law@cygnus.com)

        * gcc.c: Update URLs and mail addresses.
        * gcc.texi: Likewise.

Thu Aug  5 01:14:13 1999  Daniel Jacobowitz <drow@false.org>

        * rs6000.c (current_file_function_operand): Return zero for
        weak functions.
        (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
        weak symbols.
        * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
        for weak symbols.

Thu Aug  5 00:56:30 1999  Geoffrey Keating   <geoffk@cygnus.com>

        * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
        allocate space in the stack frame for the PIC register.

Thu Aug  5 00:20:47 1999  Jeffrey A Law  (law@cygnus.com)

        * m68k.md (xordi3, anddi3): These patterns are not available on
        the coldfire.

Wed Aug  4 23:39:20 1999  Mark Mitchell  <mark@codesourcery.com>

        * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
        (PUT_REAL): Likewise.

Wed Aug  4 20:45:04 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * final.c (shorten_branches): Don't add an alignment for loops
        that have no label inside.

Wed Aug  4 16:39:24 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
        prototypes in macro HAVE_cmpstrsi.

        * cpplib.c (cpp_get_token): Remove unused label `op3'.

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

        * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.

        * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.

Wed Aug  4 13:29:23 1999  Zack Weinberg  <zack@bitmover.com>

        * cpphash.c (macroexpand): Delete leading whitespace when arg
        is concatenated before.
        (unsafe_chars): Correct test for whether + and - can extend a
        token.

        * cppinit.c (cpp_start_read): Do dependencies for
        -include/-imacros files also.

        * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
        tokenizing non-directive lines.
        (cpp_expand_to_buffer): Temporarily disable no-output mode.
        * cppmain.c: In no-output mode, just call cpp_scan_buffer for
        the input file.

Wed Aug  4 12:53:44 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.

        * c-lex.c: Sync with C++ frontend.
        (linemode): New variable.
        (parse_float): imag, conversion_errno, and type are output only.
        (yylex): Adjust.  Move initial '.' case into main switch.
        Use linemode.
        (handle_generic_pragma): Just deal with tokens.
        (readescape): Use ISXDIGIT and ISGRAPH.
        * c-parse.in: Add END_OF_LINE token.

        * c-lex.c (lang_init): Generalize.
        (nextchar): Remove.  Replace uses with UNGETC.
        (skip_white_space): Handle linemode here.  Optimize for cpplib.
        (skip_white_space_on_line): Remove.
        (extend_token_buffer_to): New fn.
        (extend_token_buffer): Use it.
        (read_line_number, check_newline): Just deal with tokens.
        (token_getch, token_put_back): New fns.
        (yylex): Use them.  More cpplib optimizations.  Simplify.

Wed Aug  4 12:53:44 1999  Michael Tiemann  <tiemann@holodeck.cygnus.com>
                          Jason Merrill  <jason@yorick.cygnus.com>

        * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
        (consume_string): Make this smart about USE_CPPLIB.
        (check_newline): Rewrite to be intelligent about USE_CPPLIB.
        (yylex): Rewrite to be intelligent about USE_CPPLIB.
        Also, clean up cases where we redundantly set token_buffer[0].
        (read_line_number): New fn.
        (ignore_escape_flag): New variable.

Wed Aug  4 13:12:17 1999  Jeffrey A Law  (law@cygnus.com)

        * a29k/t-a29kbare: Fix some comments.
        (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
        (FPBIT, DPBIT): Define.
        * a29k/t-vx29k: Likewise.
        * arc/t-arc: Likewise.
        * arm/t-arm-elf: Likewise.
        * arm/t-bare: Likewise.
        * arm/t-pe: Likewise.
        * arm/t-pe-thumb: Likewise.
        * arm/t-semi: Likewise.
        * arm/t-thumb: Likewise.
        * arm/t-thumb-elf: Likewise.
        * arm/t-thumb-linux: Likewise.
        * h8300/t-h8300: Likewise.
        * i960/t-i960: Likewise.
        * i960/t-vxworks960: Likewise.
        * m32r/t-m32r: Likewise.
        * mips/t-ecoff: Likewise.
        * mips/t-elf: Likewise.
        * mips/t-r3900: Likewise.
        * pa/t-pro: Likewise.
        * rs6000/t-aix43: Likewise.
        * rs6000/t-beos: Likewise.
        * rs6000/t-newas: Likewise.
        * rs6000/t-ppccomm: Likewise.
        * rs6000/t-rs6000: Likewise.
        * rs6000/t-winnt: Likewise.
        * rs6000/t-xnewas: Likewise.
        * rs6000/t-xrs6000: Likewise.
        * sh/t-sh: Likewise.
        * sparc/t-elf: Likewise.
        * sparc/t-sparcbare: Likewise.
        * sparc/t-sparclite: Likewise.
        * sparc/t-splet: Likewise.
        * v850/t-v850: Likewise.
        * mn10200/t-mn10200: Fix comments.
        * mn10300/t-mn10300: Likewise.

        * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
        dummy operand.  Allocate a new pseudo for the dummy operand.
        (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.

        * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.

Wed Aug  4 11:53:55 1999  Tom Tromey  <tromey@cygnus.com>

        * configure: Rebuilt.
        * configure.in: Removed --enable-java-gc option and JAVAGC subst.

Wed Aug  4 09:06:14 1999  Richard Earnshaw (rearnsha@arm.com)

        * recog.c (preproces_constraints): Zero recog_op_alt before
        processing the constraints.

        * arm.c (typedef minipool_node): Renamed from pool_node.
        (minipool_vector, minipool_size, minipool_vector_label): Similarly.
        (add_minipool_constant): New function.
        (dump_minipool): New function.
        (find_barrier): Remove special case for getting the insn size of
        an insn that references the constant pool.
        (minipool_fixup): New structure.
        (push_minipool_barrier): New function.
        (push_minipool_fix): New function.
        (note_invalid_constants): New function.
        (add_pool_constant, dump_table, fixit, broken_move): Delete.
        (arm_reorg): Rewrite code to fix up the constant pool into a
        series of mini-pools embedded in the insn stream.
        (arm_output_epilogue): New function, made mainly from the body
        of output_func_epilogue.
        (output_func_epilogue): Move insn generation part of epilogue code
        to arm_output_epilogue.
        * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
        * arm.md (pool_range): New attribute.
        (zero_extendqidi2): Add attribute pool_range.
        (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
        extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
        pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
        movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
        movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
        (epilogue): New expand.
        (epilogue_insn): New insn.  Call arm_output_epilogue.

        * arm.c (arm_poke_function_name): Undo change of July 17.  Tidy up.
        * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.

Mon Aug  2 19:18:44 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.

1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>

        * config/i386/djgpp.h  (BSS_SECTION_ASM_OP): Define.

Wed Aug  4 02:15:32 1999  Richard Henderson <rth@cygnus.com>

        * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.

Wed Aug  4 01:48:08 1999  Jim Kingdon  <http://developer.redhat.com>

        * global.c: Fix comment.

Wed Aug  4 01:43:01 1999  Ian Lance Taylor  <ian@zembu.com>

        * gcc.c (access_check): New static function.
        (find_a_file): Use it when searching a directory list.
        * collect2.c (find_a_file): Don't accept directories found when
        searching a directory list.

Wed Aug  4 01:40:43 1999  Philippe De Muyter  <phdm@macqel.be>

        * tlink.c (symbol_hash_lookup): Do not prefix functions used as
        function parameters with `&'.
        (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.

Wed Aug  4 01:08:44 1999  Jeffrey A Law  (law@cygnus.com)

        * flow.c (delete_unreachable_blocks): Do not call merge_blocks
        or tidy_fallthru_edge if the last insn in the block is not
        an unconditional jump or a simple conditional jump.

Tue Aug  3 20:21:20 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * Makefile.in (c-decl.o): Depends on defaults.h.

Tue Aug  3 14:14:52 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
        PA1.1 and above.
        (CLASS_MAX_NREGS): Likewise.

Tue Aug  3 03:51:20 1999  Jeffrey A Law  (law@cygnus.com)

        * cse.c (cse_insn): Fix dumb thinko in last change.

Tue Aug  3 10:36:13 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
        "const char *".

Mon Aug  2 23:45:45 1999  Hans-Peter Nilsson  <hp@bitrange.com>

        * dwarf2out.c (add_location_or_const_value_attribute): Correct
        test for sizes of passed and declared parameter types.

Tue Aug  3 00:03:41 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * fixincludes: Fix the return type of bsearch, char* -> void*.

        * fixinc/inclhack.def: Likewise.

Mon Aug  2 18:29:32 1999  Mark Mitchell  <mark@codesourcery.com>

        * invoke.texi (-fdump-translation-unit): New option.

Mon Aug  2 17:54:19 1999  Richard Henderson  <rth@cygnus.com>

        * expr.h (PROMOTE_PROTOTYPES): Move ...
        * defaults.h: ... to here.
        * c-decl.c: Include defaults.h instead of expr.h.
        * c-typeck.c: Include defaults.h.

Mon Aug  2 17:10:24 1999  Mark Mitchell  <mark@codesourcery.com>

        * toplev.h (errorcount): Declare.
        (warningcount): Likewise.
        (sorrycount): Likewise.
        * c-lex.c (errorcount): Don't declare.
        * dwarf2out.c (errorcount): Don't declare.

Mon Aug  2 17:02:08 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * config/libgloss.h: Add a note discouraging use with ELF.
        * configure.in: Don't use libgloss.h for ELF targets.
        Always use_collect2 on a.out targets.

Mon Aug  2 16:27:42 1999  Jim Wilson  <wilson@cygnus.com>

        * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
        (force_to_mode, case ASHIFTRT): Add shiftrt label.

Tue Aug  3 00:45:02 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * loop.c (strength_reduce): When doing biv->giv conversion, update
        reg note of NEXT->insn.

1999-08-02  Jakub Jelinek  <jj@ultra.linux.cz>

        * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.

1999-08-02  Jakub Jelinek  <jj@ultra.linux.cz>

        * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
        PROMOTE_PROTOTYPES, so that it tests it as a C expression.
        Ensure expr.h is included.
        * c-typecheck.c (convert_arguments): Ditto.

        * expr.h: Supply default for PROMOTE_PROTOTYPES (0).

        * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
        * config/convex/convex.h: Ditto.
        * config/dsp16xx/dsp16xx.h: Ditto.
        * config/fx80/fx80.h: Ditto.
        * config/gmicro/gmicro.h: Ditto.
        * config/i370/i370.h: Ditto.
        * config/i386/i386.h: Ditto.
        * config/m32r/m32r.h: Ditto.
        * config/m68k/m68k.h: Ditto.
        * config/m88k/m88k.h: Ditto.
        * config/mips/mips.h: Ditto.
        * config/pa/pa.h: Ditto.
        * config/pyr/pyr.h: Ditto.
        * config/tahoe/tahoe.h: Ditto.
        * config/we32k/we32k.h: Ditto.

        * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
        based on arch size.

        * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.

        * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
        from comment.

        * tm.texi: Document new usage of PROMOTE_PROTOTYPES.

1999-08-02  Richard Henderson  <rth@cygnus.com>

        * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
        for the register spill block.
        (m32r_va_arg): New.
        * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
        (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.

        * m32r.h (INT8_P): Don't short-cut test with (unsigned).
        (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
        (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.

1999-08-02  Jakub Jelinek  <jj@ultra.linux.cz>

        * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
        MAX_WCHAR_TYPE defined in sparc.h.
        * config/sparc/linuxaout.h: Likewise.
        * config/sparc/linux64.h: Likewise.
        Also default to -mvis if CPU is UltraSPARC.

1999-08-02  Jakub Jelinek  <jj@ultra.linux.cz>

        * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
        (RTX_OK_FOR_OLO10): Likewise.
        (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
        %lo(), allow it in addresses...
        (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
        * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
        does not make sense.
        * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
        (sparc_output_scratch_registers): New function.
        (output_function_prologue, sparc_flat_output_function_prologue): Use
        it.
        * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
        defined.
        * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
        * configure.in: Add check for .register pseudo-op support in as and
        check for offsetable %lo().
        * acconfig.h: Add templates for the above checks.
        * configure: Regenerate.

1999-08-02  Richard Henderson  <rth@cygnus.com>

        * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
        * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
        * sparc/sol2.h (TARGET_DEFAULT): Likewise.

Mon Aug  2 23:46:45 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * loop.c (strength_reduce): When doing biv->giv conversion, fix up
        reg_biv_class.

1999-08-02  Jakub Jelinek  <jj@ultra.linux.cz>

        * config/float-sparc.h: New file.
        * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
        sparc-*-linux-gnu and sparc64-*-linux*.

1999-08-02  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * rs6000.c (rs6000_va_list): Type is an array.
        (rs6000_va_start): Don't doubly adjust for varargs.
        (rs6000_va_arg): Evaluate long long GPR adjustment.

Mon Aug  2 16:15:57 1999  David Edelsohn  <edelsohn@gnu.org>

        * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
        -maix64 and -maix32.
        (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
        LINK_SPEC): Change appropriately.
        * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
        (u_short_cint_operand): Likewise.
        * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
        for 64-bit hosts.
        * rs6000/t-aix43 (MULTILIB): Change to -m64.

        * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.

Mon Aug  2 16:15:57 1999  Geoff Keating  <geoffk@cygnus.com>

        * rs6000/rs6000.c (num_insns_constant_wide): Correct
        for type promotion.
        (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
        (non_add_cint_operand): Likewise.
        (logical_operand): Likewise.
        (non_logical_cint_operand): Likewise.
        (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
        (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
        (rs6000_select_rtx_section): Suppress warning.
        (small_data_operand): Suppress warning.
        (rs6000_got_register): Suppress warning.
        * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
        type, so `J' is generally the wrong constraint for a SImode value;
        use `L' instead.
        (andsi3_internal2): Likewise.
        (andsi3_internal3): Likewise.
        (iorsi3_internal1): Likewise.
        (xorsi3_internal1): Likewise.
        (movsi): Likewise.
        (movsf_softfloat): Likewise.
        (scc insns): Likewise.
        (movsi+2): Preserve sign bits of SImode constant.
        (floatsidf2_internal+1): Sign-extend SImode constant correctly.
        (movdf+1): Sign-extend properly.
        (movdi_32+1): Sign-extend properly.
        (scc insns): Sign-extend properly.

        * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
        K, L, and T.

1999-08-02  Richard Henderson  <rth@cygnus.com>

        * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
        -mcpu parsing code.
        (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
        * alpha.md (all fp insns): Likewise.

1999-08-02  Nick Clifton  <nickc@cygnus.com>

        * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
        already defined.

Mon Aug  2 03:38:33 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.c (legitimize_pic_address): Clarify comments.  Do not call the
        pic_load_label generator directly.
        * pa.md (pic_load_label): Clarify comments.  Remove modes on operands.
        No longer a named pattern.

Mon Aug  2 09:38:10 1999  Nick Clifton  <nickc@cygnus.com>

        * explow.c (force_reg): Call force_operand if X does not
        satisfy general_operand.

Mon Aug  2 01:34:22 1999  Jeffrey A Law  (law@cygnus.com)

        * fix-header.c (main): When testing for CONTINUED, use string
        equality, not pointer equality.

Mon Aug  2 01:27:24 1999  Dan Nicolaescu  <dann@ics.uci.edu>

        * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.

Sun Aug  1 22:46:42 1999  Jeffrey A Law  (law@cygnus.com)

        * cse.c (cse_insn): Fix loop which deletes insns after a jump
        that has become an unconditional jump.

        * m68k.c (output_function_prologue): Fix typo in CPU32 case.
        (output_function_epilogue): Similarly.

Sun Aug  1 20:14:00 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * tree.h (init_dummy_function_start): Declare.

Sun Aug  1 12:55:31 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
        last_expr_type, last_expr_value, block_start_count, block_stack,
        stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
        nesting_depth, goto_fixup_chain): Delete global vars; now allocated
        dynamically in stmt elt of struct function for each function.
        (struct nesting): Rename function_call_count elt to n_function_calls,
        target_temp_slot_level to block_target_temp_slot_level.  All users
        changed.
        (struct stmt_status): New structure definition.
        Add many accessor macros for stmt_status elements which previously
        were global variables.
        (init_stmt_for_function): Allocate stmt elt for current_function.
        Reflect that block_start_count was renamed to
        current_block_start_count.
        (save_stmt_status, restore_stmt_status): Delete functions.
        (preserve_subexpressions_p): Don't access loop_stack when outside
        a function.
        (expand_start_bindings): Reflect that block_start_count was renamed to
        current_block_start_count.
        (expand_fixup): Likewise.
        (expand_decl): Don't access block_stack when outside a function.
        (expand_decl_cleanup): Likewise.
        (expand_dcc_cleanup): Likewise.
        (expand_dhc_cleanup): Likewise.
        (expand_anon_union_decl): Likewise.
        (set_file_and_line_for_stmt): New function.
        (in_control_zone_p): New function.

        * function.h (struct function): Add new elt stmt.
        Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
        case_stack, nesting_stack, nesting_depth, block_start_count,
        last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
        emit_lineno, goto_fixup_chain.
        (save_eh_status, restore_eh_status, save_stmt_status,
        restore_stmt_status): Delete declarations.
        * function.c (push_function_context_to): Don't call save_stmt_status.
        (pop_function_context_to): Don't call restore_stmt_status.
        * tree.h (in_control_zone_p): Declare.
        * rtl.h (set_file_and_line_for_stmt): Declare.

        * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
        call set_file_and_line_for_stmt.

Thu Jul 31 12:34:45 1999  Joe Buck  <jbuck@synopsys.com>

        * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
        Also update copyright.

Sat Jul 31 11:10:07 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * c-pragma.c: Don't include "except.h".
        * emit-rtl.c: Likewise.
        * stor-layout.c: Likewise.
        * tree.c: Likewise.
        * varasm.c: Likewise.

        * flow.c: Include "function.h".
        * tree.h (init_dummy_function_start): Declare new function.

        * except.h (struct eh_status): New structure.
        (struct label_node, struct eh_entry): Declare even if tree.h hasn't
        been included.
        (eh_return_stub_label, ehstack, catchstack, ehqueue,
        catch_clauses, false_label_stack, caught_return_label_stack,
        protect_list, current_function_ehc): Add accessor macros for the
        corresponding fields in current_function->eh; delete declarations
        for all items that used to be declared here.
        * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
        catch_clauses, false_label_stack, caught_return_label_stack,
        protect_list, current_function_ehc): Delete variables.
        (init_eh_for_function): Allocate current_function->eh.
        (save_eh_status, restore_eh_status): Delete functions.

        * function.h (struct function): Add fields next_global and eh.
        Delete all exception handling related fields.
        * function.c (current_function): New variable.
        (all_functions): New variable.
        (push_function_context_to): Don't allocate a struct function,
        use current_function instead.  Call init_dummy_function_start when
        outside a function.  Clear current_function before returning.
        (pop_function_context_from): Restore current_function.
        Don't free the restored struct function.
        (prepare_function_start): New function.
        (init_dummy_function_start): New function.
        (init_function_start): Break out some code into prepare_function_start
        and call it here.

        * stmt.c (save_stmt_status): Don't call save_eh_status.
        (restore_stmt_status): Don't call restore_eh_status.

        * Makefile.in: Update dependencies.

Sat Jul 31 04:10:01 1999  Jeffrey A Law  (law@cygnus.com)
<<<<<<< ChangeLog
<<<<<<< ChangeLog

        * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
        of depending on a magic constant value.  Update comments.
        (hppa_expand_prologue): Similarly.

        * pa.md (reload_indi, reload_outdi): Allow any register for the
        original reload register.

Fri Jul 30 19:41:35 1999  Jim Wilson  <wilson@cygnus.com>

        * cccp.c (print_help): Change marcos to macros.

1999-07-30  Richard Henderson  <rth@cygnus.com>

        * c-typeck.c (initializer_constant_valid_p): Move ...
        * c-common.c (initializer_constant_valid_p): ... here.  Use 
        FOO_TYPE_P instead of tests against TREE_CODE.  Allow subtraction
        of label addresses.
        * c-common.h (initializer_constant_valid_p): Declare.
        * c-tree.h (initializer_constant_valid_p): Remove.

Fri Jul 30 16:33:42 1999  Mathias Froehlich  <frohlich@na.uni-tuebingen.de>

        * config/i386/sol2-c1.asm: Align the stack.
        * config/i386/sol2-gc1.asm: Likewise.

1999-07-30  Vladimir Makarov  <vmakarov@loony.cygnus.com>

        * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
        -Asparclite for sparc86x.
        (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
        sparc86x.
        (ASM_CPU_SPEC): Use -Asparclite for sparc86x.

Fri Jul 30 14:53:56 1999  Jakub Jelinek  <jj@ultra.linux.cz>

        * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
        the user if using the non-default arch size in BI_ARCH configuration.
        * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.

        * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
        Fix patterns so that they actually match.
        (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
        (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
        (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
        TARGET_HARD_MUL32.
        (mulsidi3): Reflect this in the expand.
        (smulsi3_highpart): Only on TARGET_ARCH32.
        (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
        (const_umulsidi3_sp32): Renamed from const_umulsidi3.
        (umulsidi3): Reflect this in the expand.
        (umulsi3_highpart): Only on TARGET_ARCH32.
        (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
        don't require g0 to be zero.
        (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
        ({,u}divsi3): New expands.
        ({,u}divsi3_sp64): New patterns.
        (after lshrdi3_v8plus): Four new patterns to help combiner
        optimizing nested mixed mode shifts.

        * config/sparc/sparc.c (sparc_override_options): Use deprecated
        v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
        speed things up. Don't use them by default on plain v9 in 64bit
        mode, according to what SPAMv9 sais.

        * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
        top 32 bits of %[og][0-7] in signal handlers.
        Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.

Fri Jul 30 03:00:41 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.md (zvdep_imm32): Renamed from zvdep_imm.
        (ashlsi3): Corresponding changes.

        * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.

Thu Jul 29 18:37:13 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.

Thu Jul 29 19:01:58 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * arm.h (Hint): Delete macro.
        Substitute HOST_WIDE_INT for Hint in some prototypes.
        * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.

Thu Jul 29 09:21:42 1999  Nick Clifton  <nickc@cygnus.com>

        * builtins.c (expand_builtin_setjmp): Use force_operand to
        make sure that the buffer address is in a suitable form to be
        passed to force_reg.

Wed Jul 28 12:50:48 1999  Geoff Keating  <geoffk@cygnus.com>

        * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
        them here.

Wed Jul 28 13:18:35 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.md (indirect_jump): Remove mode from match_operand.  Verify
        proper mode in the condition string.
        (icacheflush, dcacheflush): Remove modes from match_operands.

        * pa.c (emit_move_sequence): Always convert scratch_reg to the
        proper mode before using it.

        * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
        pair.

        * pa.c (store_reg): Do not call add_high_const generator directly.
        (load_reg, set_reg_plus_d): Likewise.
        * pa.md (add_high_const): No longer a named pattern.

        * pa.c (legitimize_address): Consistently use Pmode rather than
        SImode.  Do not call gen_pic2_highpart directly anymore.
        * pa.md (pic2_highpart): No longer a named pattern.
        (pic2_lo_sum): Similarly.  Reformat to make more readable.

        * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
        needed.

        * README: Update.

Wed Jul 28 11:28:04 1999  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
=======
>>>>>>> 1.4237

<<<<<<< ChangeLog
Wed Jul 28 11:23:48 1999  Richard Henderson  <rth@cygnus.com>

        * pa.c (hppa_builtin_saveregs):  Use get_varargs_alias_set
        and tag the spill mems.
        (hppa_va_start): New.
        (hppa_va_arg): New.
        * pa.h (EXPAND_BUILTIN_VA_START): New.
        (EXPAND_BUILTIN_VA_ARG): New.

Wed Jul 28 11:22:21 1999  Richard Henderson  <rth@cygnus.com>

        * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
        and tag the spill mems.
        (mn10300_va_start): New.
        (mn10300_va_arg): New.
        * mn10300.h (EXPAND_BUILTIN_VA_START): New.
        (EXPAND_BUILTIN_VA_ARG): New.

Wed Jul 28 11:20:19 1999  Richard Henderson  <rth@cygnus.com>

        * mn10200.c (mn10200_va_arg): New.
        * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.

Wed Jul 28 11:19:06 1999  Richard Henderson  <rth@cygnus.com>

        * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
        rather than play with TREE_INT_CST_LOW.

1999-07-27  Philip Blundell  <pb@nexus.co.uk>

        * config/arm/telf.h: Include dbxelf.h.
        (CPP_PREDEFINES): Only define if not already defined.
        (ASM_IDENTIFY_GCC): Likewise.
        (SUBTARGET_EXTRA_SECTIONS): Likewise.
        (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
        * config/arm/thumb.h (LINK_SPEC): Only define if not already
        defined.
        (DBX_DEBUGGING_INFO): Don't define.
        * config/arm/linux-telf.h: New file.
        * config/arm/linux-tgas.h: New file.
        * config/arm/t-thumb-linux: New file.
        * config/arm/uclinux-elf.h: New file.
        * config/arm/uclinux-telf.h: New file.
        * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
        thumb-*-uclinux): New targets.
        * configure: Regenerate.

Tue Jul 27 23:20:21 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.md (post_store, pre_load): New expanders.
        (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
        (post_ldwm, pre_stwm): Make these unnamed patterns since we never
        need to directly generate RTL for them.
        * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
        changes.

Tue Jul 27 16:05:52 1999  David Edelsohn  <edelsohn@gnu.org>

        * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
        * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
        (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
        (secndary_reload_class): Make TARGET_ELF conditional compile.
        (print_operand_address): Similar.
        (output_toc): Print all values as hex.
        (get_issue_rate): Rearrange and add RS64A and PPC630.
        * rs6000.h (processor_type): Add RS64A and PPC630.
        (PROCESSOR_POWERPC64): New.
        (PROMOTE_MODE): Use word_mode.
        (RTX_COSTS): Add RS64A and PPC630.
        * rs6000.md (scheduling information): Add lmul and ldiv
        representing 64-bit integer multiply and divide.  Add rs64a and
        PPC630 information.
        (ashldi3): Add support for "rldic" instruction.
        * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
        
Tue Jul 27 15:31:53 1999  Vladimir Makarov  <vmakarov@toad.to.cygnus.com>

        * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
        instead of V8 for sparclite86x in cpu_table.

Tue Jul 27 17:49:42 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
        output_file_directive.

Tue Jul 27 03:15:33 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the 
        tree for op1, not the rtl.

Tue Jul 27 00:18:34 1999  Richard Henderson  <rth@cygnus.com>

        * m88k.c (m88k_builtin_saveregs): Break out the constructor code
        to m88k_va_start, leaving only the register spill.
        (m88k_build_va_list): New.
        (m88k_va_start): New.
        (m88k_va_arg): New.
        * m88k.h (BUILD_VA_LIST_TYPE): New.
        (EXPAND_BUILTIN_VA_START): New.
        (EXPAND_BUILTIN_VA_ARG): New.

Mon Jul 26 19:07:11 1999  Geoff Keating  <geoffk@cygnus.com>

        * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
        Rename from expand_builtin_saveregs.
        * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.

Mon Jul 26 22:52:47 1999  Richard Henderson  <rth@cygnus.com>

        * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
        for the register spill block.
        (i960_build_va_list): New.
        (i960_va_start): New.
        (i960_va_arg): New.
        * i960.h (BUILD_VA_LIST_TYPE): New.
        (EXPAND_BUILTIN_VA_START): New.
        (EXPAND_BUILTIN_VA_ARG): New.
        * i960.md (store_multiple): Use change_address on individul mems.

Mon Jul 26 22:43:12 1999  Richard Henderson  <rth@cygnus.com>

        * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
        an ARRAY_TYPE.
        (std_expand_builtin_va_start): Back out one word if !stdarg_p.
        (expand_builtin_va_end): Evaluate arg for side effects.
        * c-common.c (c_common_nodes_and_builtins): Construct a
        va_list_arg_type_node to handle array decomposition to pointer.

Mon Jul 26 18:51:34 1999  Richard Henderson  <rth@cygnus.com>

        * except.c (start_dynamic_cleanup): Use force_operand on the
        buffer's address.

Mon Jul 26 16:43:26 1999  Richard Henderson  <rth@cygnus.com>

        * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
        * c4x.c (c4x_va_arg): New.

Mon Jul 26 12:30:09 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
        has manual_pop set.

1999-07-26  Nathan Sidwell  <nathan@acm.org>

        * eh-common.h (__eh_matcher): Prototype correctly.

Mon Jul 26 17:24:51 1999  Philip Blundell  <pb@nexus.co.uk>

        * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
        (TARGET_SINGLE_PIC_BASE): Likewise.
        (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
        definitions.
        (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
        (TARGET_SWITCHES): Add -m{no-}single-pic-base.
        (TARGET_OPTIONS): Add -mpic-register=N.
        (OUTPUT_INT_ADDR_CONST): New macro.
        (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
        LEGITIMATE_PIC_OPERAND_P): Likewise.
        (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
        (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
        output_addr_const directly.
        (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with 
        ARM port.
        (thumb_pic_register, thumb_pic_register_string): Declare.
        
        * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
        from arm.c.
        (label_mentioned_p): New function: Imported from arm.c.
        (legitimize_pic_address): New function: Imported from arm.c.
        (is_pic):New function: Imported from arm.c.
        (thumb_finalize_pic):New function: Imported from arm.c.
        (add_constant): Cope with PIC constants.
        (fixit): Cope with PIC constants.
        (output_return): Do not treat the PIC register as live if
        TARGET_SINGLE_PIC_BASE is true.
        (thumb_function_prologue): Do not treat the PIC register as live if
        TARGET_SINGLE_PIC_BASE is true.
        (thumb_expand_prologue): Do not treat the PIC register as live if
        TARGET_SINGLE_PIC_BASE is true.
        (thumb_unexpand_epilogue): Do not treat the PIC register as live if
        TARGET_SINGLE_PIC_BASE is true.
        (thumb_print_operand): Accept '|'.
        (thumb_override_options): Process PIC options.
        
        * config/arm/thumb.md (movsi): Support PIC.
        (call_insn): Change "i" constraint to "X".
        (call_value_insn): Likewise.
        (consttable_4, consttable_8, consttable_end): Set and clear
        "making_const_table" as appropriate.
        (pic_load_addr, pic_add_dot_plus_four): New insns.
        
        * invoke.texi (Thumb Options): Fix spelling.  Document new 
        options -msingle-pic-base and -mpic-register=.
        
1999-07-26  Andrew Haley  <aph@cygnus.com>

        * config/m32r/initfini.c (__init): Use a full word immediate for
        __fini: this allows it to be placed in any memory region.

        * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
        -mmodel=medium.  This is OK for all memory models.

Mon Jul 26 11:58:46 1999  Nick Clifton  <nickc@cygnus.com>

        * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
        * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.

Mon Jul 26 10:23:36 1999  Nick Clifton  <nickc@cygnus.com>

        * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
        defined.

        * tm.texi: Document ASM_FPRINTF_EXTENSIONS.

Sun Jul 25 23:51:59 1999  Richard Henderson  <rth@cygnus.com>

        * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
        (BUILD_VA_LIST_TYPE): New.
        (EXPAND_BUILTIN_VA_START): New.
        (EXPAND_BUILTIN_VA_ARG): New.
        * i860.c (output_delayed_branch): Disable.
        (output_delay_insn): Likewise.
        (i860_saveregs): New.
        (i860_build_va_list): New.
        (i860_va_start): New.
        (i860_va_arg): New.
        * i860.md: Disable all peepholes using output_delayed_branch.
        * i860/sysv4.h (I860_SVR4_VA_LIST): New.

Sun Jul 25 23:44:13 1999  Richard Henderson  <rth@cygnus.com>

        * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
        (BUILD_VA_LIST_TYPE): New.
        (EXPAND_BUILTIN_VA_START): New.
        (EXPAND_BUILTIN_VA_ARG): New.
        * clipper.c (clipper_builtin_saveregs): Only dump registers.
        Return the address of the save area.
        (clipper_build_va_list): New.
        (clipper_va_start): New.
        (clipper_va_arg): New.

Sun Jul 25 22:56:47 1999  Richard Henderson  <rth@cygnus.com>

        * arc.h (EXPAND_BUILTIN_VA_START): New.
        (EXPAND_BUILTIN_VA_ARG): New.
        * arc.c (arc_setup_incoming_varargs): Set alias set of 
        varargs save area.
        (arc_va_start): New.
        (arc_va_arg): New.

Sun Jul 25 22:45:55 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
        (BUILD_VA_LIST_TYPE): New.
        (EXPAND_BUILTIN_VA_START): New.
        (EXPAND_BUILTIN_VA_ARG): New.
        * alpha.c (alpha_builtin_saveregs): Delete.
        (alpha_build_va_list): New.
        (alpha_va_start): New.
        (alpha_va_arg): New.

Sun Jul 25 21:40:33 1999  Jeffrey A Law  (law@cygnus.com)

        * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
        column zero.
        (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
        (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.

        * gcc.texi: More changes related to list conversion.
        * invoke.texi: Likewise.

Sun Jul 25 18:15:39 1999  Richard Henderson  <rth@cygnus.com>

        * builtins.c (expand_builtin_saveregs): Remove static, remove exp
        and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
        (expand_builtin_next_arg): Accept ARGLIST not EXP.
        (stabilize_va_list): New function.
        (std_expand_builtin_va_start): New function.
        (expand_builtin_va_start): New function.
        (get_varargs_alias_set): New function.
        (std_expand_builtin_va_arg): New function.
        (expand_builtin_va_arg): New function.
        (expand_builtin_va_end): New function.
        (expand_builtin_va_copy): New function.
        (expand_builtin): Call them.
        * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
        __builtin_{varargs_start,stdarg_start,end,copy}.
        (build_va_arg): New function.
        * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
        (build_va_arg): Declare.
        * c-decl.c (ptr_type_node, va_list_type_node): New.
        * c-parse.gperf (__builtin_va_arg): New.
        * c-parse.in (VA_ARG): New token.
        (unary_expr): Recognize it.
        * expr.c (expand_expr): Expand VA_ARG_EXPR.
        * expr.h (std_expand_builtin_va_start): Declare.
        (std_expand_builtin_va_arg): Declare.
        (expand_builtin_va_arg): Declare.
        (get_varargs_alias_set): Declare.
        * tree.def (VA_ARG_EXPR): New.
        * tree.h (BUILT_IN_VARARGS_START): New.
        (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
        (ptr_type_node, va_list_type_node): Declare.
        * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
        * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
        * m88k.h, m88k.c: Likewise.
        * mn10300.h, mn10300.c: Likewise.
        * pa.h, pa.c: Likewise.
        * rs6000.h, rs6000.c: Likewise.
        * sh.h, sh.c: Likewise.
        * sparc.h, sparc.c: Likewise.

        * emit-rtl.c (operand_subword): Copy alias set.
        (change_address): Likewise.

Sun Jul 25 15:04:37 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.c (compute_frame_size): Scan all the used callee saved registers,
        not just the first one.

Fri Jul 23 14:09:58 1999  Philip Blundell  <pb@nexus.co.uk>

        * config/arm/arm.h (TARGET_SWITCHES): Add 
        -m{no-}single-pic-base.  Correct help string for -mshort-load-words.
        (TARGET_OPTIONS): Add -mpic-register=.
        (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
        (arm_pic_register_string): Declare.
        (NEED_PLT_GOT): Delete, replace with ...
        (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these.  New macros.
        (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
        (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
        * config/arm/arm.c (arm_override_options): Add new option
        -mpic-register=N.
        (arm_pic_register_string): New variable.
        (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
        (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
        register as never live.  Use NEED_PLT_RELOC not NEED_PLT_GOT.
        (output_return_instruction): Likewise. 
        * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
        (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these.  Define to flag_pic.
        * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.

        * invoke.texi (ARM Options): Fix spelling.  Remove duplicate
        mention of -msched-prolog.  Document new options -msingle-pic-base 
        and -mpic-register=.

Thu Jul 22 18:23:56 1999  Richard Henderson  <rth@cygnus.com>

        * haifa-sched.c (reemit_notes): Tidy.
        * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
        haifa's routine.

Thu Jul 22 18:21:04 1999  Richard Henderson  <rth@cygnus.com>

        * explow.c (trunc_int_for_mode): New function.
        (plus_constant_wide): Use it.
        * combine.c (simplify_and_const_int): Likewise.
        (merge_outer_ops): Likewise.
        (simplify_shift_const): Likewise.
        * cse.c (simplify_unary_operation): Likewise.
        (simplify_binary_operation): Likewise.
        * emit-rtl.c (operand_subword): Likewise.
        * rtl.h: Declare it.

Thu Jul 22 14:34:59 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
        (use NUM_REGS instead of NUM_INTS).

Thu Jul 22 11:25:20 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * builtins.c: New file.
        * expr.c (saveregs_value, apply_args_value):  Delete definition,
        moved into builtins.c.
        (string_constant): No longer static.
        (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
        apply_args_size, apply_result_size, result_vector,
        expand_builtin_apply_args, expand_builtin_apply,
        expand_builtin_return): Delete functions, moved into builtins.c.
        (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
        * expr.h (saveregs_value, apply_args_value): Declare variables.
        (expand_builtin, string_constant): Declare functions.
        * Makefile.in: Update to build builtin.o.

Wed Jul 21 00:46:58 1999  Mark P. Mitchell  <mark@codesourcery.com>

        * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
        * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
        * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
        start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
        false.
        * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): 
        Define to zero.
        
1999-07-21  Michael Meissner  <meissner@cygnus.com>

        * print-rtl.c (print_rtx): Print the names of the virtual
        registers.

Wed Jul 21 16:00:32 1999  Nick Clifton  <nickc@cygnus.com>

        * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
        introduced in previous delta.

Wed Jul 21 14:30:51 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
        to avoid name clash.
=======

        * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
        of depending on a magic constant value.  Update comments.
        (hppa_expand_prologue): Similarly.

        * pa.md (reload_indi, reload_outdi): Allow any register for the
        original reload register.

Fri Jul 30 19:41:35 1999  Jim Wilson  <wilson@cygnus.com>

        * cccp.c (print_help): Change marcos to macros.

1999-07-30  Richard Henderson  <rth@cygnus.com>

        * c-typeck.c (initializer_constant_valid_p): Move ...
        * c-common.c (initializer_constant_valid_p): ... here.  Use
        FOO_TYPE_P instead of tests against TREE_CODE.  Allow subtraction
        of label addresses.
        * c-common.h (initializer_constant_valid_p): Declare.
        * c-tree.h (initializer_constant_valid_p): Remove.

Fri Jul 30 16:33:42 1999  Mathias Froehlich  <frohlich@na.uni-tuebingen.de>

        * config/i386/sol2-c1.asm: Align the stack.
        * config/i386/sol2-gc1.asm: Likewise.

1999-07-30  Vladimir Makarov  <vmakarov@loony.cygnus.com>

        * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
        -Asparclite for sparc86x.
        (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
        sparc86x.
        (ASM_CPU_SPEC): Use -Asparclite for sparc86x.

Fri Jul 30 14:53:56 1999  Jakub Jelinek  <jj@ultra.linux.cz>

        * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
        the user if using the non-default arch size in BI_ARCH configuration.
        * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.

        * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
        Fix patterns so that they actually match.
        (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
        (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
        (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
        TARGET_HARD_MUL32.
        (mulsidi3): Reflect this in the expand.
        (smulsi3_highpart): Only on TARGET_ARCH32.
        (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
        (const_umulsidi3_sp32): Renamed from const_umulsidi3.
        (umulsidi3): Reflect this in the expand.
        (umulsi3_highpart): Only on TARGET_ARCH32.
        (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
        don't require g0 to be zero.
        (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
        ({,u}divsi3): New expands.
        ({,u}divsi3_sp64): New patterns.
        (after lshrdi3_v8plus): Four new patterns to help combiner
        optimizing nested mixed mode shifts.

        * config/sparc/sparc.c (sparc_override_options): Use deprecated
        v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
        speed things up. Don't use them by default on plain v9 in 64bit
        mode, according to what SPAMv9 sais.

        * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
        top 32 bits of %[og][0-7] in signal handlers.
        Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.

Fri Jul 30 03:00:41 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.md (zvdep_imm32): Renamed from zvdep_imm.
        (ashlsi3): Corresponding changes.

        * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.

Thu Jul 29 18:37:13 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.

Thu Jul 29 19:01:58 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * arm.h (Hint): Delete macro.
        Substitute HOST_WIDE_INT for Hint in some prototypes.
        * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.

Thu Jul 29 09:21:42 1999  Nick Clifton  <nickc@cygnus.com>

        * builtins.c (expand_builtin_setjmp): Use force_operand to
        make sure that the buffer address is in a suitable form to be
        passed to force_reg.

Wed Jul 28 12:50:48 1999  Geoff Keating  <geoffk@cygnus.com>

        * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
        them here.

Wed Jul 28 13:18:35 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.md (indirect_jump): Remove mode from match_operand.  Verify
        proper mode in the condition string.
        (icacheflush, dcacheflush): Remove modes from match_operands.

        * pa.c (emit_move_sequence): Always convert scratch_reg to the
        proper mode before using it.

        * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
        pair.

        * pa.c (store_reg): Do not call add_high_const generator directly.
        (load_reg, set_reg_plus_d): Likewise.
        * pa.md (add_high_const): No longer a named pattern.

        * pa.c (legitimize_address): Consistently use Pmode rather than
        SImode.  Do not call gen_pic2_highpart directly anymore.
        * pa.md (pic2_highpart): No longer a named pattern.
        (pic2_lo_sum): Similarly.  Reformat to make more readable.

        * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
        needed.

        * README: Update.

Wed Jul 28 11:28:04 1999  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.

Wed Jul 28 11:23:48 1999  Richard Henderson  <rth@cygnus.com>

        * pa.c (hppa_builtin_saveregs):  Use get_varargs_alias_set
        and tag the spill mems.
        (hppa_va_start): New.
        (hppa_va_arg): New.
        * pa.h (EXPAND_BUILTIN_VA_START): New.
        (EXPAND_BUILTIN_VA_ARG): New.

Wed Jul 28 11:22:21 1999  Richard Henderson  <rth@cygnus.com>

        * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
        and tag the spill mems.
        (mn10300_va_start): New.
        (mn10300_va_arg): New.
        * mn10300.h (EXPAND_BUILTIN_VA_START): New.
        (EXPAND_BUILTIN_VA_ARG): New.

Wed Jul 28 11:20:19 1999  Richard Henderson  <rth@cygnus.com>

        * mn10200.c (mn10200_va_arg): New.
        * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.

Wed Jul 28 11:19:06 1999  Richard Henderson  <rth@cygnus.com>

        * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
        rather than play with TREE_INT_CST_LOW.

1999-07-27  Philip Blundell  <pb@nexus.co.uk>

        * config/arm/telf.h: Include dbxelf.h.
        (CPP_PREDEFINES): Only define if not already defined.
        (ASM_IDENTIFY_GCC): Likewise.
        (SUBTARGET_EXTRA_SECTIONS): Likewise.
        (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
        * config/arm/thumb.h (LINK_SPEC): Only define if not already
        defined.
        (DBX_DEBUGGING_INFO): Don't define.
        * config/arm/linux-telf.h: New file.
        * config/arm/linux-tgas.h: New file.
        * config/arm/t-thumb-linux: New file.
        * config/arm/uclinux-elf.h: New file.
        * config/arm/uclinux-telf.h: New file.
        * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
        thumb-*-uclinux): New targets.
        * configure: Regenerate.

Tue Jul 27 23:20:21 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.md (post_store, pre_load): New expanders.
        (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
        (post_ldwm, pre_stwm): Make these unnamed patterns since we never
        need to directly generate RTL for them.
        * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
        changes.

Tue Jul 27 16:05:52 1999  David Edelsohn  <edelsohn@gnu.org>

        * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
        * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
        (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
        (secndary_reload_class): Make TARGET_ELF conditional compile.
        (print_operand_address): Similar.
        (output_toc): Print all values as hex.
        (get_issue_rate): Rearrange and add RS64A and PPC630.
        * rs6000.h (processor_type): Add RS64A and PPC630.
        (PROCESSOR_POWERPC64): New.
        (PROMOTE_MODE): Use word_mode.
        (RTX_COSTS): Add RS64A and PPC630.
        * rs6000.md (scheduling information): Add lmul and ldiv
        representing 64-bit integer multiply and divide.  Add rs64a and
        PPC630 information.
        (ashldi3): Add support for "rldic" instruction.
        * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.

Tue Jul 27 15:31:53 1999  Vladimir Makarov  <vmakarov@toad.to.cygnus.com>

        * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
        instead of V8 for sparclite86x in cpu_table.

Tue Jul 27 17:49:42 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
        output_file_directive.

Tue Jul 27 03:15:33 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
        tree for op1, not the rtl.

Tue Jul 27 00:18:34 1999  Richard Henderson  <rth@cygnus.com>

        * m88k.c (m88k_builtin_saveregs): Break out the constructor code
        to m88k_va_start, leaving only the register spill.
        (m88k_build_va_list): New.
        (m88k_va_start): New.
        (m88k_va_arg): New.
        * m88k.h (BUILD_VA_LIST_TYPE): New.
        (EXPAND_BUILTIN_VA_START): New.
        (EXPAND_BUILTIN_VA_ARG): New.

Mon Jul 26 19:07:11 1999  Geoff Keating  <geoffk@cygnus.com>

        * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
        Rename from expand_builtin_saveregs.
        * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.

Mon Jul 26 22:52:47 1999  Richard Henderson  <rth@cygnus.com>

        * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
        for the register spill block.
        (i960_build_va_list): New.
        (i960_va_start): New.
        (i960_va_arg): New.
        * i960.h (BUILD_VA_LIST_TYPE): New.
        (EXPAND_BUILTIN_VA_START): New.
        (EXPAND_BUILTIN_VA_ARG): New.
        * i960.md (store_multiple): Use change_address on individul mems.

Mon Jul 26 22:43:12 1999  Richard Henderson  <rth@cygnus.com>

        * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
        an ARRAY_TYPE.
        (std_expand_builtin_va_start): Back out one word if !stdarg_p.
        (expand_builtin_va_end): Evaluate arg for side effects.
        * c-common.c (c_common_nodes_and_builtins): Construct a
        va_list_arg_type_node to handle array decomposition to pointer.

Mon Jul 26 18:51:34 1999  Richard Henderson  <rth@cygnus.com>

        * except.c (start_dynamic_cleanup): Use force_operand on the
        buffer's address.

Mon Jul 26 16:43:26 1999  Richard Henderson  <rth@cygnus.com>

        * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
        * c4x.c (c4x_va_arg): New.

Mon Jul 26 12:30:09 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
        has manual_pop set.

1999-07-26  Nathan Sidwell  <nathan@acm.org>

        * eh-common.h (__eh_matcher): Prototype correctly.

Mon Jul 26 17:24:51 1999  Philip Blundell  <pb@nexus.co.uk>

        * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
        (TARGET_SINGLE_PIC_BASE): Likewise.
        (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
        definitions.
        (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
        (TARGET_SWITCHES): Add -m{no-}single-pic-base.
        (TARGET_OPTIONS): Add -mpic-register=N.
        (OUTPUT_INT_ADDR_CONST): New macro.
        (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
        LEGITIMATE_PIC_OPERAND_P): Likewise.
        (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
        (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
        output_addr_const directly.
        (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
        ARM port.
        (thumb_pic_register, thumb_pic_register_string): Declare.

        * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
        from arm.c.
        (label_mentioned_p): New function: Imported from arm.c.
        (legitimize_pic_address): New function: Imported from arm.c.
        (is_pic):New function: Imported from arm.c.
        (thumb_finalize_pic):New function: Imported from arm.c.
        (add_constant): Cope with PIC constants.
        (fixit): Cope with PIC constants.
        (output_return): Do not treat the PIC register as live if
        TARGET_SINGLE_PIC_BASE is true.
        (thumb_function_prologue): Do not treat the PIC register as live if
        TARGET_SINGLE_PIC_BASE is true.
        (thumb_expand_prologue): Do not treat the PIC register as live if
        TARGET_SINGLE_PIC_BASE is true.
        (thumb_unexpand_epilogue): Do not treat the PIC register as live if
        TARGET_SINGLE_PIC_BASE is true.
        (thumb_print_operand): Accept '|'.
        (thumb_override_options): Process PIC options.

        * config/arm/thumb.md (movsi): Support PIC.
        (call_insn): Change "i" constraint to "X".
        (call_value_insn): Likewise.
        (consttable_4, consttable_8, consttable_end): Set and clear
        "making_const_table" as appropriate.
        (pic_load_addr, pic_add_dot_plus_four): New insns.

        * invoke.texi (Thumb Options): Fix spelling.  Document new
        options -msingle-pic-base and -mpic-register=.

1999-07-26  Andrew Haley  <aph@cygnus.com>

        * config/m32r/initfini.c (__init): Use a full word immediate for
        __fini: this allows it to be placed in any memory region.

        * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
        -mmodel=medium.  This is OK for all memory models.

Mon Jul 26 11:58:46 1999  Nick Clifton  <nickc@cygnus.com>

        * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
        * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.

Mon Jul 26 10:23:36 1999  Nick Clifton  <nickc@cygnus.com>

        * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
        defined.

        * tm.texi: Document ASM_FPRINTF_EXTENSIONS.

Sun Jul 25 23:51:59 1999  Richard Henderson  <rth@cygnus.com>

        * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
        (BUILD_VA_LIST_TYPE): New.
        (EXPAND_BUILTIN_VA_START): New.
        (EXPAND_BUILTIN_VA_ARG): New.
        * i860.c (output_delayed_branch): Disable.
        (output_delay_insn): Likewise.
        (i860_saveregs): New.
        (i860_build_va_list): New.
        (i860_va_start): New.
        (i860_va_arg): New.
        * i860.md: Disable all peepholes using output_delayed_branch.
        * i860/sysv4.h (I860_SVR4_VA_LIST): New.

Sun Jul 25 23:44:13 1999  Richard Henderson  <rth@cygnus.com>

        * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
        (BUILD_VA_LIST_TYPE): New.
        (EXPAND_BUILTIN_VA_START): New.
        (EXPAND_BUILTIN_VA_ARG): New.
        * clipper.c (clipper_builtin_saveregs): Only dump registers.
        Return the address of the save area.
        (clipper_build_va_list): New.
        (clipper_va_start): New.
        (clipper_va_arg): New.

Sun Jul 25 22:56:47 1999  Richard Henderson  <rth@cygnus.com>

        * arc.h (EXPAND_BUILTIN_VA_START): New.
        (EXPAND_BUILTIN_VA_ARG): New.
        * arc.c (arc_setup_incoming_varargs): Set alias set of
        varargs save area.
        (arc_va_start): New.
        (arc_va_arg): New.

Sun Jul 25 22:45:55 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
        (BUILD_VA_LIST_TYPE): New.
        (EXPAND_BUILTIN_VA_START): New.
        (EXPAND_BUILTIN_VA_ARG): New.
        * alpha.c (alpha_builtin_saveregs): Delete.
        (alpha_build_va_list): New.
        (alpha_va_start): New.
        (alpha_va_arg): New.

Sun Jul 25 21:40:33 1999  Jeffrey A Law  (law@cygnus.com)

        * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
        column zero.
        (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
        (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.

        * gcc.texi: More changes related to list conversion.
        * invoke.texi: Likewise.

Sun Jul 25 18:15:39 1999  Richard Henderson  <rth@cygnus.com>

        * builtins.c (expand_builtin_saveregs): Remove static, remove exp
        and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
        (expand_builtin_next_arg): Accept ARGLIST not EXP.
        (stabilize_va_list): New function.
        (std_expand_builtin_va_start): New function.
        (expand_builtin_va_start): New function.
        (get_varargs_alias_set): New function.
        (std_expand_builtin_va_arg): New function.
        (expand_builtin_va_arg): New function.
        (expand_builtin_va_end): New function.
        (expand_builtin_va_copy): New function.
        (expand_builtin): Call them.
        * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
        __builtin_{varargs_start,stdarg_start,end,copy}.
        (build_va_arg): New function.
        * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
        (build_va_arg): Declare.
        * c-decl.c (ptr_type_node, va_list_type_node): New.
        * c-parse.gperf (__builtin_va_arg): New.
        * c-parse.in (VA_ARG): New token.
        (unary_expr): Recognize it.
        * expr.c (expand_expr): Expand VA_ARG_EXPR.
        * expr.h (std_expand_builtin_va_start): Declare.
        (std_expand_builtin_va_arg): Declare.
        (expand_builtin_va_arg): Declare.
        (get_varargs_alias_set): Declare.
        * tree.def (VA_ARG_EXPR): New.
        * tree.h (BUILT_IN_VARARGS_START): New.
        (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
        (ptr_type_node, va_list_type_node): Declare.
        * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
        * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
        * m88k.h, m88k.c: Likewise.
        * mn10300.h, mn10300.c: Likewise.
        * pa.h, pa.c: Likewise.
        * rs6000.h, rs6000.c: Likewise.
        * sh.h, sh.c: Likewise.
        * sparc.h, sparc.c: Likewise.

        * emit-rtl.c (operand_subword): Copy alias set.
        (change_address): Likewise.

Sun Jul 25 15:04:37 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.c (compute_frame_size): Scan all the used callee saved registers,
        not just the first one.

Fri Jul 23 14:09:58 1999  Philip Blundell  <pb@nexus.co.uk>

        * config/arm/arm.h (TARGET_SWITCHES): Add
        -m{no-}single-pic-base.  Correct help string for -mshort-load-words.
        (TARGET_OPTIONS): Add -mpic-register=.
        (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
        (arm_pic_register_string): Declare.
        (NEED_PLT_GOT): Delete, replace with ...
        (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these.  New macros.
        (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
        (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
        * config/arm/arm.c (arm_override_options): Add new option
        -mpic-register=N.
        (arm_pic_register_string): New variable.
        (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
        (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
        register as never live.  Use NEED_PLT_RELOC not NEED_PLT_GOT.
        (output_return_instruction): Likewise.
        * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
        (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these.  Define to flag_pic.
        * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.

        * invoke.texi (ARM Options): Fix spelling.  Remove duplicate
        mention of -msched-prolog.  Document new options -msingle-pic-base
        and -mpic-register=.

Thu Jul 22 18:23:56 1999  Richard Henderson  <rth@cygnus.com>

        * haifa-sched.c (reemit_notes): Tidy.
        * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
        haifa's routine.

Thu Jul 22 18:21:04 1999  Richard Henderson  <rth@cygnus.com>

        * explow.c (trunc_int_for_mode): New function.
        (plus_constant_wide): Use it.
        * combine.c (simplify_and_const_int): Likewise.
        (merge_outer_ops): Likewise.
        (simplify_shift_const): Likewise.
        * cse.c (simplify_unary_operation): Likewise.
        (simplify_binary_operation): Likewise.
        * emit-rtl.c (operand_subword): Likewise.
        * rtl.h: Declare it.

Thu Jul 22 14:34:59 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
        (use NUM_REGS instead of NUM_INTS).

Thu Jul 22 11:25:20 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * builtins.c: New file.
        * expr.c (saveregs_value, apply_args_value):  Delete definition,
        moved into builtins.c.
        (string_constant): No longer static.
        (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
        apply_args_size, apply_result_size, result_vector,
        expand_builtin_apply_args, expand_builtin_apply,
        expand_builtin_return): Delete functions, moved into builtins.c.
        (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
        * expr.h (saveregs_value, apply_args_value): Declare variables.
        (expand_builtin, string_constant): Declare functions.
        * Makefile.in: Update to build builtin.o.

Wed Jul 21 00:46:58 1999  Mark P. Mitchell  <mark@codesourcery.com>

        * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
        * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
        * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
        start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
        false.
        * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
        Define to zero.

1999-07-21  Michael Meissner  <meissner@cygnus.com>

        * print-rtl.c (print_rtx): Print the names of the virtual
        registers.

Wed Jul 21 16:00:32 1999  Nick Clifton  <nickc@cygnus.com>

        * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
        introduced in previous delta.

Wed Jul 21 14:30:51 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
        to avoid name clash.
>>>>>>> 1.4250

<<<<<<< ChangeLog
Wed Jul 21 08:39:22 1999  Gavin Romig-Koch  <gavin@cygnus.com>

        * c-lex.c (yylex) : Correct the test for overflow when lexing
        integer literals.

Tue Jul 20 18:02:42 1999  Richard Henderson  <rth@cygnus.com>

        * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
        (adjust_priority): Always call ADJUST_PRIORITY.
        (schedule_insn): Only put insns into the ready at cost 0.
        (schedule_block): Remove redundant initial sort.  Give clock_var
        and can_issue_more to MD_SCHED_REORDER.  Requeue if hazard cost
        is not 0.
        * tm.texi (MD_SCHED_REORDER): Update docs.

        * sparc.h (MD_SCHED_REORDER): Update.  Set CAN_ISSUE_MORE.
        * sparc.c (ultra_reorder_called_this_block): Delete.
        (ultrasparc_sched_init): Don't set it.
        (ultrasparc_sched_reorder): Don't check it.
        
Tue Jul 20 17:07:54 1999  Richard Henderson  <rth@cygnus.com>

        * rs6000.h (struct rs6000_args): Add sysv_gregno.
        * rs6000.c (init_cumulative_args): Init sysv_gregno.
        (function_arg_boundary): Align DFmode.
        (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
        to get fp reg and stack overflow correct.
        (function_arg): Likewise.
        (function_arg_pass_by_reference): True for TFmode for ABI_V4.
        (setup_incoming_varargs): Restructure for ABI_V4; use 
        function_arg_advance to skip final named argument.
        (expand_builtin_saveregs): Properly unskip the last integer arg
        when doing varargs.  Adjust overflow location calculation.

        * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr 
        explicitly unsigned.
        (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
        (__VA_GP_REGSAVE): Similarly.
        (__va_longlong_p): Delete.
        (__va_arg_type_violation): New declaration.
        (va_arg): Restructure.  Flag promotion errors.  Align double. 
        TFmode passed by reference.

        * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
        in the HOST_BITS_PER_WIDE_INT > 32 case.

Tue Jul 20 12:37:30 1999  Hans-Peter Nilsson  <hp@bitrange.com>

        * dwarf2out.c (output_abbrev_section): Terminate with a zero.

Tue Jul 20 12:12:27 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
        * toplev.c (documented_lang_options): Add -fpreprocessed.
        * cpplib.h (struct cpp_buffer): Add preprocessed.
        * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
        (cpp_start_read): Don't expand macros or emit an initial #line
        directive if -fpreprocessed.

Tue Jul 20 12:12:09 1999  Michael Tiemann  <tiemann@holodeck.cygnus.com>

        * cpplib.h (struct cpp_buffer): Added manual_pop for
        better C++ tokenization.
        * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
        Also, support C++ tokenization for ->*, .*, <?, and >? operators.
        * c-common.c (cpp_token): Make non-static.

Tue Jul 20 11:24:19 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * c-common.h: New file.
        * c-common.c (permanent_obstack): Delete unused declaration.
        (c_global_trees): New array.
        (c_common_nodes_and_builtins): New function; split off common code
        from init_decl_processing in both c-decl.c and cp/decl.c.
        * c-tree.h: Delete lots of declarations of tree nodes; replaced by
        c_global_trees and accessor macros defined in c-common.h.
        Include c-common.h.
        * c-decl.c: Delete definitions for tree nodes that were replaced by
        c_global_trees.
        (init_decl_processing): Build void_list_node.
        Call c_common_nodes_and_builtins; delete code to generate the common
        builtins here.
        * objc/objc-act.c (build_module_descriptor): Rename variable
        void_list_node to avoid clash with c-common.h.

        * Makefile.in: Update dependencies.
        * objc/Make-lang.in: Likewise.

Mon Jul 19 14:22:18 1999  Mark P. Mitchell  <mark@codesourcery.com>

        * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
        (UNIQUE_SECTION_P): Likewise.
        (UNIQUE_SECTION): Likewise.

1999-07-19  Linas Vepstas  <linas@linas.org>

        * config/i370/README: New file.
        * config/i370/linux.h: New file.
        * config/i370/mvs.h: New file.
        * config/i370/oe.h: New file.
        * config/i370/t-linux: New file.
        * config/i370/t-mvs: New file.
        * config/i370/t-oe: New file.
        * config/i370/x-oe: New file.
        * config/i370/xm-linux.h: New file.
        * config/i370/xm-mvs.h: New file.
        * config/i370/xm-oe.h: New file.

        * i370.c (label_node_t): Add first_ref_page, label_addr, 
        label_first_ref, label_last_ref members.
        (mvs_need_base_reload): Renamed from mvs_label_emitted.
        (MAX_MVS_LABEL_SIZE): Define.
        (MAX_LONG_LABEL_SIZE): Define.
        (alias_node_t, alias_anchor, alias_number): New.
        (mvs_function_table): Reorder for EBCDIC.
        (ascebc, ebcasc): Unconditionally define.
        (i370_branch_dest, i370_branch_length): New functions.
        (i370_short_branch, i370_label_scan): New functions.
        (mvs_get_label): Renamed from mvs_add_label.  Search for
        an existing label before creating a new one.
        (mvs_add_label): New function.
        (mvs_get_label_page): New function.
        (mvs_free_label_list): Renamed from mvs_free_label.  Iterate
        over the entire list.
        (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
        (mvs_check_page) [TARGET_ELF_ABI]: New function.
=======
        * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instea