* i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.

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

Tue Nov 30 15:20:52 MET 1999  Jan Hubicka  <hubicka@freesoft.cz>

        * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
        (abs?f2_if): Likewise.

1999-11-30  Alex Samuel  <samuel@codesourcery.com>

        * ggc.h (ggc_test_and_set_mark): New macro.
        (ggc_mark_rtx): Use ggc_test_and_set_mark.
        (ggc_mark_tree): Likewise.
        (ggc_mark_rtvec): Likewise.
        * ggc-common.c (ggc_mark_rtx_children): Reduce recursion. 

1999-11-30  Jason Merrill  <jason@casey.cygnus.com>

        * dwarf2out.c (scope_die_for): Only handle types.  Only search for
        containing types.
        (decl_scope_table): Just an array of trees now.
        (push_decl_scope): Simplify.
        (dwarf2out_init): Adjust.
        (local_scope_p): New fn.
        (gen_inlined_enumeration_type_die): Don't call scope_die_for.
        (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
        (gen_typedef_die): Likewise.
        (gen_lexical_block_die): Don't call push/pop_decl_scope.
        (gen_inlined_subroutine_die): Likewise.
        (gen_abstract_function): Set current_function_decl temporarily.
        (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
        Handle block extern declarations.  Don't call push/pop_decl_scope.
        (gen_decl_die): Fix logic for block externs.

1999-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * calls.c (special_function_p): Remove `realloc' and add `strdup'
        to the list of functions which have attribute malloc by default.

1999-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
        integer constant does not match the traditional type, limit the
        warnings to cases where the base of the type is ten.

        * invoke.texi (-Wtraditional): Document it.

Tue Nov 30 15:18:35 1999  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
        * rs6000.md: Only access a CONST_INT with INTVAL

Tue Nov 30 14:21:00 1999  Richard Henderson  <rth@cygnus.com>

        * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
        (compute_nearerout): Likewise.
        * ggc-page.c (ggc_page_print_statistics): Explicitly cast
        size_t to unsigned long for formatting.

1999-11-30  Jakub Jelinek  <jakub@redhat.com>

        * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
        Allow the user to override call-used/fixed state of %g2-5
        registers from the command line (with the exception of %g4 for
        embedded model).
        (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
        there is a higher chance of having a leaf function.
        (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
        for ARCH64 which has %ccr register.
        * config/sparc/sparc.md (return_losum_si, return_losum_di): New
        patterns.
        * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
        insn accept into delay slot any insn which does not use %[ol]
        registers.  Accept some LO_SUM and shift left by 1 for the normal
        restore case.
        (output_function_epilogue): Likewise.
        (epilogue_renumber): Added argument which inhibits any renumbering
        and just tests if the rtx does not use any %[ol] registers.
        (output_return): Reflect above change.

1999-11-30  Jakub Jelinek  <jakub@redhat.com>

        * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
        aggregate passing for sizes <= 16 bytes.

1999-11-30  Bernd Schmidt  <bernds@cygnus.co.uk>

        * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
        * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
        * reload.c (find_dummy_reload): Likewise.
        (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
        * reload1.c (reload_as_needed): Likewise.
        * stupid.c (stupid_find_reg): Likewise.
        * tm.texi (Obsolete Register Macros): Delete section.
        * gmicro.h: Remove all traces of the two macros.
        * i386.h: Likewise.
        * m88k.h: Likewise.
        * mips.h: Likewise.

1999-11-30  Brendan Kehoe  <brendan@cygnus.com>

        * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
        (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
        (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
        * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
        units for the sparclite86x chip.
        (flush): Revert October 14th change; add SImode specifically.
        (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
        * invoke.texi: Document it.

Tue Nov 30 14:58:14 1999  Nick Clifton  <nickc@cygnus.com>

        * config/mn10200/mn10200.h (PREDICATE_CODES): Add
        psimode_truncation_operand.

        * config/mn10200/mn10200.c (psimode_truncation_operand): New
        function.  Return true if the operand is either a MEM valid
        for a PSImode address or not a MEM at all.

        * config/mn10200/mn10200.md (truncsipsi2): Use
        psimode_truncation_operand.

1999-11-30  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
        (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
        (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
        (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
        (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
        (flow_loop_level_compute, low_loops_level_compute): Likewise.
        (flow_loops_find, flow_loop_outside_edge_p): Likewise.
        * basic-block.h: Protect from multiple inclusion.
        (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
        (struct loops, struct loop): Define structures.
        * sbitmap.c (sbitmap_a_subset_b_p): New function.
        * sbitmap.h: Protect from multiple inclusion.
        (sbitmap_a_subset_b_p): Add prototype.
        * Makefile.in (LOOP_H): New macro.
        (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.

Tue Nov 30 01:34:47 1999  Philippe De Muyter  <phdm@macqel.be>

        * cppinit.c (CAT): The argument list of this macro may not contain
        spaces !

1999-11-29  David S. Miller  <davem@redhat.com>

        Move quantity tables and register equivalence chains into
        per-qty and per-register structure arrays respectively.
        * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
        qty_const_insn, qty_comparison_code, qty_comparison_const,
        qty_comparison_qty): Delete, replace with...
        (qty_table): this structure table.
        (reg_next_eqv, reg_prev_eqv): Delete, replace with...
        (reg_eqv_table): this structure table.
        (make_new_qty): Add argument MODE.  Caller updated.
        Update to use qty_table and reg_eqv_table.
        (make_regs_eqv, delete_reg_equiv, insert_regs,
        insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
        fold_rtx, equiv_constant, record_jump_cond, cse_insn,
        cse_process_notes, cse_main, cse_basic_block): Likewise.

Mon Nov 29 16:56:42 1999  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
        operation if C is negative.
        (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
        (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
        law for some divisions if constant is negative and change other
        divisions to the opposite rounding.

        * expr.c (store_constructor_field): If bit position is not multiple
        of alignment of TARGET's mode, use BLKmode.

        * expr.c (expand_expr_unaligned): Add more code from full case
        that is needed when OP0 is in a register.

Mon Nov 29 18:09:39 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * dwarfout.c (field_byte_offset): Size can be zero if there was
        an error.

1999-11-29  Bernd Schmidt  <bernds@cygnus.co.uk>

        * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
        (associate_trees): Delete unused var TEM.
        (extract_muldiv): Delete unused var CANCEL_P.
                        
        * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
        (target_isinf, target_isnan, target_negative): Add return types to
        function definitions.

1999-11-29  Bruce Korb  <autogen@linuxbox.com>

        * fixinc/fixincl.c(process): don't skip GLIBC files any more.
        * fixinc/hackshell.tpl: ditto
        * fixinc/fixtests.c(double_slash_test): more C++ header testing
        * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach

1999-11-29  Bernd Schmidt  <bernds@cygnus.co.uk>

        * reload.c (push_reload): When looking for a register to put into
        reg_rtx, make sure all hard regs in a multi-reg register are in the
        right class and nonfixed.

        * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
        pending_read_insns, pending_write_insns, pending_read_mems,
        pending_write_mems, pending_list_length, last_pending_memory_flush,
        last_function_call, sched_before_next_call): Move static variables
        into a structure.
        (bb_ prefixed versions): Replace with single array bb_deps.
        (struct deps): New structure.
        (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
        sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
        argument of type "struct deps *"; use that instead of global
        variables.  All callers changed.
        (init_rgn_data_dependencies): Delete function.
        (init_rtx_vector): Delete function.
        (init_deps): New function.

        (free_pending_lists): Simplify, we always use the bb_deps array even
        if only one basic block.
        (compute_block_backward_dependences): Likewise.
        (schedule_region): Likewise.

        (propagate_deps): New function, broken out of
        compute_block_backward_dependences.
        (compute_block_backward_dependences): Use it.

        * alpha.md: Delete useless patterns that tried to work around
        register elimination problems.

        * unroll.c (loop_iterations): Don't abort if iteration variable
        was made by loop.

        From Joern Rennecke:
        * reload1.c (reloads_conflict): Reverse test comparing operand
        numbers when testing for conflict between output/outaddr reloads.

1999-11-29  David S. Miller  <davem@redhat.com>

        * config/sparc/sparc.c (init_cumulative_args): Fix type of third
        arg.
        * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.

1999-11-28  Robert Lipe  <robertl@cygnus.com>

        * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
        table from .fini into .dtor.                                

1999-11-28  Anthony Green  <green@cygnus.com>

        * tree.h (struct tree_decl): Add malloc_flag.
        (DECL_IS_MALLOC): Define.
        * c-common.c (attrs): Add A_MALLOC attribute.
        (init_attributes): Add this attribute to the table.
        (decl_attributes): Handle malloc attribute.
        * calls.c (special_function_p): Check for the malloc attribute.
        * extend.texi (Function Attributes): Document malloc attribute.

Sun Nov 28 13:21:00 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.md (reload shift-add patterns): Remove.

1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>

        * reorg.c (dbr_schedule) Print more statistics. Corrected
        problem when printing info when 3 delay slots are filled.

1999-11-28  Jakub Jelinek  <jakub@redhat.com>

        * combine.c (setup_incoming_promotions): Pass an outgoing
        regno to FUNCTION_ARG_REGNO_P which it expects.

1999-11-28  Andreas Jaeger  <aj@suse.de>

        * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.

Sun Nov 28 00:48:15 1999  Philippe De Muyter  <phdm@macqel.be>

        * cccp.c (do_include): Avoid initialization of automatic variable.

        * integrate.c (mark_stores): Function definition made void, to match
        previous declaration.
        * regclass.c (dump_regclass): Ditto.
        * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.

Sat Nov 27 08:38:26 1999  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
        known to be multiple of divisor.

        * expr.c (store_constructor): Don't clobber TARGET if CLEARED.

        * combine.c (try_combine): Add code to try to merge a set of a
        two-word pseudo to a constant with a setting of one of those words
        to a constant.

        * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
        (split_tree): Completely rework to make more general.
        (make_range, fold): Call negate_expr.
        (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
        (fold, associate): Call new split_tree and associate_trees.
        (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.

1999-11-26  Bernd Schmidt  <bernds@cygnus.co.uk>

        * loop.c (try_copy_prop): Avoid GNU C extension.

1999-11-25  Mark Mitchell  <mark@codesourcery.com>

        * except.c (init_eh_for_function): Still zero eh_return_context,
        eh_return_stack_adjust, and eh_return_handler.

        * except.h (eh_status): Adjust documentation for x_protect_list.
        (begin_protect_partials): New function.
        * except.c (enqueue_eh_entry): Fix formatting.
        (get_first_handler): Add consistency check.
        (add_partial_entry): Adjust usage of protect_list.
        (emit_cleanup_handler): Save and restore ehqueue.
        (expand_start_all_catch): Add comment.
        (begin_protect_partials): New function.
        (end_protect_partials): Adjust usage of protect_list.
        (init_eh_for_function): Use xcalloc.

1999-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-common.c (check_format_info): Don't call a variadic function
        with a non-literal format string.

        * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.

        * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
        pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
        Likewise.

        * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
        Likewise.

        * collect2.c (collect_wait): Likewise.

        * dbxout.c (dbxout_type): Likewise.

        * gcc.c (do_spec_1): Likewise.

        * genemit.c (gen_insn, gen_expand): Likewise.

        * genrecog.c (write_switch, write_subroutine): Likewise.

        * mips-tfile.c (catch_signal, botch): Likewise.

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

        * toplev.c (default_print_error_function, report_error_function,
        _fatal_insn): Likewise.

1999-11-25  Mark Mitchell  <mark@codesourcery.com>

        * tree.c (unsave_expr_now): Handle NULL_TREE as input.

Wed Nov 24 17:08:09 MET 1999  Jan Hubicka  <hubicka@freesoft.cz>

        * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
        operations when needed.
        * i386.md (fop_?f_comm): New.
        (fop_?f_1): Do not accept commutative operands.

1999-11-25  Andreas Jaeger  <aj@suse.de>

        * config/mips/mips.md (casesi_internal): Add missing brace.

1999-11-25  Jason Merrill  <jason@casey.cygnus.com>

        * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
        (splice_child_die): Handle moving a child DIE from the declaration
        DIE of a class to its specification.
        (gen_struct_or_union_type_die): Use 'complete' consistently.
        (gen_decl_die): Generate the virtual context DIE first.
        Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.

1999-11-24  Gavin Romig-Koch  <gavin@cygnus.com>

        * config/mips/mips.md (call_value_multiple_interanal1): New.

1999-11-24  Jason Merrill  <jason@casey.cygnus.com>

        * dwarf2out.c (free_AT, free_die): New fns.
        (remove_children): Call them.
        (output_line_info): Disable removal of duplicate notes.

        Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
        * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
        means pretend the type isn't defined.
        Don't defer emitting types.
        (gen_type_die_for_member): New fn.
        (gen_decl_die): Call it.
        (splice_child_die): New fn.
        (gen_member_die): Call it rather than generate duplicate dies.

        Defer emitting information for the abstract instance of an inline
        until we either inline it or emit an out-of-line copy.
        * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
        from output_inline_function if DECL_ABSTRACT is also set.
        (block_ultimate_origin): Likewise.
        (gen_abstract_function): New fn.
        (gen_decl_die, gen_inlined_subroutine_die): Call it.
        (gen_subprogram_die):  An abstract instance is not a declaration
        just because it doesn't match current_function_decl.  Don't abort
        because DECL_DEFER_OUTPUT isn't set.  Do abort if a declaration
        has an abstract origin.
        * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
        abstract instance here.

Wed Nov 24 18:39:18 1999  Andrew Haley  <aph@cygnus.com>

        * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
        where we need to reload fpul from a system register.

1999-11-24  Andreas Jaeger  <aj@suse.de>

        * config/mips/linux.h (CPP_PREDEFINES): Added.
        (LINK_SPEC): Remove -Y since this is only needed on sparc.

1999-11-24  Andreas Jaeger  <aj@suse.de>

        * config/mips/linux.h (TARGET_VERSION): Added.
        (HANDLE_SYSV_PRAGMA): Added.
        (DEFAULT_VTABLE_THUNKS): Added.

Wed Nov 24 14:12:15 MET 1999  Jan Hubicka  <hubicka@freesoft.cz>

        * local-alloc.c (qty): New structure and static variable.
        (qty_phys_reg): Remove, all references changed to qty.
        (qty_n_refs): Likewise.
        (qty_min_class): Likewise.
        (qty_birth): Likewise.
        (qty_death): Likewise.
        (qty_size): Likewise.
        (qty_mode): Likewise.
        (qty_n_calls_crossed): Likewise.
        (qty_alternate_class): Likewise.
        (qty_changes_size): Likewise.
        (qty_first_reg): Likewise.
        (alloc_qty): Rename variable QTY to QTYNO.
        (finf_free_reg): Likewise.
        (local_alloc): Allocate qty, do not allocate the removed variables.

Wed Nov 24 17:26:05 1999  Geoffrey Keating  <geoffk@cygnus.com>

        * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
        when -membedded-pic is passed.

        * config/mips/mips.md (casesi): Handle 64-bit case too.
        (casesi_internal_di): New insn.

        * config/mips/mips.c (embedded_pic_offset): Always make the
        embedded-pic subtractions relative to the name of the current
        function by use of the magic string "..CURRENT_FUNCTION".
        * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.

1999-11-24  Geoffrey Keating  <geoffk@cygnus.com>

        * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
        of (const_int 0), when what we really care about is
        whether it's a zero constant anyway.
        (div_trap_mips16): Likewise.

1999-11-23  Mark Mitchell  <mark@codesourcery.com>

        * loop.c (loop_optimize): Always find_loop_tree_blocks and
        unroll_block_trees when generating debuggable code.

        * tree.h (unsave_expr_1): New function.
        (lang_unsave): New variable.
        (get_callee_fndecl): New function.
        * tree.c (unsave_expr_now_r): New function.
        (lang_unsave): Define.
        (unsave_expr_1): Likewise.
        (unsave_expr_now_r): Split out from unsave_expr_now.
        (unsave_expr_now): Call lang_unsave if it is non-NULL.  Otherwise,
        call unsave_expr_now_r.
        (get_callee_fndecl): Define.

        * Makefile.in (gencheck): Don't depend on lang_tree_files.
        (gencheck.o): Do depend on lang_tree_files.

        * integrate.h (copy_decl_for_inlining): New declaration.
        * integrate.c (copy_and_set_decl_abstract_origin): Remove.
        (copy_decl_for_inlining): New function.
        (integrate_parm_decls): Use it.
        (integrate_decl_tree): Likewise.

1999-11-23  Gavin Romig-Koch  <gavin@cygnus.com>

        * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split 
        the second two from the first.
        (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
        * config/mips/mips.md (movcc,reload_incc,reload_outcc,
        conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than 
        ISA_HAS_FP4.
        * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
        override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
        ISA_HAS_FP4.

Tue Nov 23 11:15:04 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.md (call_internal_symref, call_value_internal_symref): No mode
        needed on the address operand.
        * pa.c (call_operand_address): Check for the correct mode.

1999-11-23  Bernd Schmidt  <bernds@cygnus.co.uk>

        * loop.c: Include "basic-block.h".
        (try_copy_prop, replace_loop_reg): New functions.
        (load_mems): Detect registers that just hold copies of the hoisted
        mem, and call try_copy_prop to eliminate them.
        * Makefile.in (loop.o): Update dependencies.

Tue Nov 23 01:03:29 1999  Hans-Peter Nilsson  <hp@axis.com>

        * Makefile.in (gencheck.o): Depend on gencheck.h.
        (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
        (insn-peep.o): Depend on except.h and function.h.
        (insn-attrtab.o): Depend on RECOG_H.
        (insn-output.o): Depend on toplev.h and flags.h.
        (gengenrtl.o): Depend on real.h.
        (gen-protos.o): Depend on cpplib.h and cpphash.h.
        Unify all dependencies to be on RECOG_H rather than recog.h.

Tue Nov 23 00:57:10 1999  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
        * configure.in: Try building a bi-arch 32/64-bit compiler on
        sparc-*-solaris2.7 and higher.
        * configure: Rebuild.

Mon Nov 22 23:09:44 1999  David O'Brien  <obrien@FreeBSD.org>

        * config/freebsd.h: New, FreeBSD architecture independent file.
        * config/i386/freebsd-elf.h: removed FreeBSD architecturally
        independent pieces.
        * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
        directly by i386/freebsd.h.
        * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
        independent configuration file.
        (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
        directly by i386/freebsd.h.
        * configure: Rebuilt.

        * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
        which is in the user's namespace.
        * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
        `i386' which is not in our namespace.

Mon Nov 22 22:58:01 1999  "R. Kelley Cook" <KelleyCook@attglobal.net>

        * invoke.texi (ARM Options): Add in -mno-alignment-traps

1999-11-22  Jason Merrill  <jason@casey.cygnus.com>

        * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
        (add_dwarf_attr, add_child_die): Just push onto the front.
        (reverse_die_lists): New fn.
        (add_sibling_attributes): Use it.
        (push_decl_scope): Reorganize.
        (add_name_and_src_coords_attributes): Don't set file and line for
        an artificial decl.
        (gen_subprogram_die): An artificial function doesn't need to match
        file and line.
        (gen_compile_unit_die): Return the generated die.  Only add 
        AT_comp_dir if the filename is relative.
        (remove_AT): Simplify loop.  Also free string values.
        (output_die): A DIE ref can't be null.
        (output_value_format, value_format): Take a dw_attr_ref.
        (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
        (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
        AT_addr, AT_lbl): New fns.
        (various): Use them.
        (various): Constify.

Mon Nov 22 23:53:50 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * combine.c (combine_simplify_rtx): When handling a SUBREG,
        take SUBREG_WORD into account.
        (if_then_else_cond): Likewise.

1999-11-22  Jason Merrill  <jason@casey.cygnus.com>

        * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising 
        clause from BSD license, pursuant with

          ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change

1999-11-22  Bernd Schmidt  <bernds@cygnus.co.uk>

        * loop.c (load_mems): Reformat slightly.
        * basic-block.h (regset_head): New typedef.
        (INIT_REG_SET): New macro.

1999-11-22  Bruce Korb  <autogen@linuxbox.com

        * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
        (mips-dec-bsd*): non-functional code
        (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"

        * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
        added three replacement fixes
        (no_double_slash): removed comments that are not (any longer) pertinent
        (bad_lval): this fix currently runs against many files.
        The comment seems to indicate that we should select for files
        containing 'pragma extern_prefix'.

        * fixinc/fixinc.x86-linux-gnu: deleted
        * fixinc/inclhack.sh:  regen
        * fixinc/fixincl.x:  regen
        * fixinc/fixincl.sh:  regen

Fri Nov 12 14:08:40 1999  Andrew Haley  <aph@cygnus.com>

        * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
        its code is INSN and it has no notes.

1999-11-22  Andrew Haley  <aph@cygnus.com>

        * varasm.c (function_defined): Remove.
        (make_function_rtl): Don't set function_defined.
        (make_decl_rtl): Remove global register warning.
        * regclass.c (no_global_reg_vars): New variable.
        (globalize_reg): Warn if function has already been defined.
        (regclass_init): Set no_global_reg_vars.

Mon Nov 22 14:42:22 MET 1999  Jan Hubicka  <hubicka@freesoft.cz>

        * regclass.c (reg_pref): New structure and static variable
        (prefclass): Delete.
        (altclass): Delete.
        (all uses of prefclass and altclass): Use reg_pref instead.

1999-11-21  Nick Clifton  <nickc@cygnus.com>

        * invoke.texi (ARM Options): Replace -mshort-load-bytes with
        -malignment-traps. 
        (arm.h): Replace -mshort-load-bytes with -malignment-traps.
        (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
        (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.

Sun Nov 21 17:11:13 1999  Geoffrey Keating  <geoffk@cygnus.com>

        * varasm.c (output_constructor): Solve problem with long long
        bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).

Fri Nov 19 05:48:45 CET 1999  Jan Hubicka  <hubicka@freesoft.cz>

        * global.c (allocno): New structure and static variable.
        (allocno_reg): Remove, all references replaced by allocno.
        (allocno_size): Likewise.
        (hard_reg_conflicts): Likewise.
        (hard_reg_preferences): Likewise.
        (hard_reg_copy_preferences): Likewise.
        (hard_reg_full_preferences): Likewise.
        (regs_someone_prefers): Likewise.
        (allocno_calls_crossed): Likewise.
        (allocno_n_refs): Likewise.
        (allocno_live_length): Likewise.
        (find_reg): Rename ALLOCNO to NUM.

        * regclass.c (may_move_in_cost): Rename from may_move_cost, all
        references updated.
        (may_move_out_cost): New variable.
        (init_reg_sets_1): Initialize may_move_out_cost.
        (record_reg_classes): Use may_move_out_cost.

        * regclass.c (dump_regclass): New function.
        (regclass): New parameter DUMP, call DUMP_REGCLASS.
        * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
        pass rtl_dump_file to regclass.
        * rtl.h (regclass): Update prototype.

Fri Nov 19 06:32:19 CET 1999  Jan Hubicka  <hubicka@freesoft.cz>

        * i386.md (neg, not and abs patterns): Revmap to use
        ix86_expand_unary_operator and ix86_unary_operator_ok.
        (add?f and sub?f expanders): Force operand 1 to register.
        * i386.c (ix86_expand_unary_operator): Rewrite.
        (ix86_unary_operator_ok): Ensure that memory operands
        match real opcode.
        (ix86_binary_operator_ok): Do not allow operand 1 to
        come into memory and operand 0 not.
        (ix86_expand_binary_operator): Ensure that
        src1 is not non-matching memory.

        * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
        to support integer registers and memory.
        (abss?2_integer): Likewise.

        * i386.h (enum reg_class): Add FLOAT_INT_REGS.
        (REG_CLASS_NAMES): Likewise.
        (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
        and GENERAL_REGS.
        * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
        (movsf): Likewise; unify 4th and 5th alternative.
        (pushdf): Likewise.
        (movdf_1): Likewise; rename to movdf_integer.
        (pushxf): Likewise; rename to pushxf_integer; fix output template;
        remove redundant splitter.
        (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
        (movdf_nointeger): New.
        (movxf_nointeger): New.
        (pushxf_nointeger): New.

        * i386.md (extend?f?f): Split to expander and pattern, refuse two
        memory operands in patterns.
        (fop*): Refuse two memory operands.

        * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
        on !TARGET_USE_CLTD CPUs.

Fri Nov 19 10:41:15 GMT 1999  Nathan Sidwell  <nathan@acm.org>

        * extend.texi: Document C++ restricted pointers and references. 

1999-11-19  Bernd Schmidt  <bernds@cygnus.co.uk>

        * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
        (invalidate_skipped_set): Call it unconditionally.
        (cse_set_around_loop): Likewise.

Thu Nov 18 17:29:34 MST 1999    Diego Novillo <dnovillo@cygnus.com>

        * rtl.texi (mem): Add documentation for alias-set argument 
        to RTX `mem'.

Fri Nov 18 13:39:22 CET 1999  Jan Hubicka  <hubicka@freesoft.cz>

        * i386.h (struct_processor_costs): New fields int_load, int_store,
        fp_move, fp_load and fp_store
        (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
        fp->int moves
        (MEMORY_MOVE_COST): New macro.
        * i386.c (386_cost): Define new fields.
        (i486_cost): Likewise.
        (pentium_cost): Likewise.
        (pentiumpro_cost): Likewise.
        (k6_cost): Likewise.

Fri Nov 19 11:11:55 1999  Greg McGary  <gkm@gnu.org>
                          Geoffrey Keating  <geoffk@cygnus.com>

        * config/m68k/m68kelf.h: Suppress '/* within comment' warning.

        * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
        MASK_ALIGN_INT.
        
        * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
        (TARGET_STRICT_ALIGNMENT): New macro.
        (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
        (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
        * invoke.texi (M680x0 Options): Document -mstrict-align.

Thu Nov 18 11:10:03 1999  Jan Hubicka  <hubicka@freesoft.cz>
                          Richard Henderson  <rth@cygnus.com>

        * i386-protos.h (split_xf, ix86_split_movdi): Remove.
        (ix86_split_long_move): Declare.
        * i386.c (split_xf, ix86_split_movdi): Remove.
        (ix86_split_to_parts, ix86_split_long_move): New.
        * i386.md (dimode move splitters): Use ix86_split_long_move.
        (dfmode move splitters): Likewise.
        (xfmode move splitters): Likewise.
        (movsf_1): Allow F->r.
        (movdf_1, movxf_1): Allow F->ro.

1999-11-17  Mark Mitchell  <mark@codesourcery.com>

        * except.h (struct eh_entry): Add goto_entry_p.
        (eh_region_from_symbol): Remove prototype.
        * except.c (find_func_region_from_symbol): New function.
        (emit_cleanup_handler): Likewise.
        (eh_region_from_symbol): Make it static.
        (add_new_handler): Verify the argument.
        (find_func_region): Update comment.
        (expand_eh_region_end): Expand handlers here, rater than waiting
        until expand_leftover_cleanups or start_all_catch.
        (expand_leftover_cleanups): Don't expand here.
        (expand_start_all_catch): Or here.
        (expand_rethrow): Check the return value from find_func_region.
        * function.c (expand_function_end): Emit the catch_clauses.
        
1999-11-18  Gavin Romig-Koch  <gavin@cygnus.com>

        * integrate.c (expand_inline_function): Add necessary check for NULL.

1999-11-18  Nick Clifton  <nickc@cygnus.com>

        * toplev.c (main): Correctly detect an unrecognised option.

        * cppinit.c (cpp_handle_option): Do not claim to have consumed
        a -f option if it has not been recognised.

Thu Nov 18 00:59:11 1999  Michael Gschwind  <mikeg@alagoas.watson.ibm.com>

        * basic-block.h (update_life_extent): Remove trailing comma on
        enumeration type list.

1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>

        * varasm.c (output_constructor) Solved problem with long long
        bitfields. Corrected calculating this_time and shift. Also
        corrected calculating mask when BITS_PER_UNIT == 32 (c4x).

Wed Nov 17 23:46:14 1999  Jeffrey A Law  (law@cygnus.com)

        * flow.c (split_edge): Take looping structure into account when
        determining where to put the new block note.

Wed Nov 17 20:42:43 1999  Jeff Holcomb  <jeffh@cygnus.com>

        * Makefile.in (ggc-none.o): Provide host specific version if
        needed.

Wed Nov 17 16:51:23 1999  Richard Henderson  <rth@cygnus.com>

        * cse.c (delete_trivially_dead_insns): Identify no-op insns
        containing subregs too.

Wed Nov 17 17:39:48 MST 1999    Diego Novillo <dnovillo@cygnus.com>

        * invoke.texi: Add documentation for -muninit-const-in-rodata.
        * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
        (TARGET_UNINIT_CONST_IN_RODATA): Define.
        (text_section): Add switches -munint-const-in-rodata and
        -mno-uninit-const-in-rodata.
        (ASM_OUTPUT_COMMON): Remove.
        (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
        const objects should be placed in read-only data. Otherwise declare
        them in common.

Wed Nov 17 16:38:32 1999  Richard Henderson  <rth@cygnus.com>

        * jump.c (jump_optimize_1): Revert last change.

Wed Nov 17 15:18:30 1999  Richard Henderson  <rth@cygnus.com>

        * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
        test if optimizing for size.

1999-11-17  Mark Mitchell  <mark@codesourcery.com>

        * Makefile.in (toplev.o): Depend on except.h.
        (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.

Mon Nov 15 22:45:39 CET 1999  Jan Hubicka  <hubicka@freesoft.cz>

        * i386.md (divmodsi4): Rewrite to expander.
        (*divmodsi4_nocltd): New.
        (*divmodsi4_cltd): New.
        (divmodsi4 splitter): Handle the case when input comes in edx.
        (udivmodhi4): Do not use constraints in exander.
        (ashrsi3_31): Conditionize by TARGET_USE_CLTD.

1999-11-17  Jason Merrill  <jason@yorick.cygnus.com>

        * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
        for the common case.

1999-11-16  Jakub Jelinek  <jakub@redhat.com>

        * explow.c (hard_function_value): Add outgoing argument.
        * expr.h (hard_function_value): Declare it.
        * calls.c (expand_call, emit_library_call_value): Update callers.
        * function.c (aggregate_value_p): Ditto.
        (diddle_return_value): Must look at the outgoing registers
        on archs with register windows.

Mon Nov 15 20:46:45 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.c (alpha_build_va_list): Use make_lang_type and
        initialize TYPE_NAME for the va_list record.

        * flow.c (calculate_global_regs_live): Zero bb->aux to begin.

        * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
        for printing.
        * ggc.h (struct ggc_statistics): Rearrange elements for better
        packing on 64-bit hosts.
        * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
        (compute_nearerout): Likewise.

Tue Nov 16 14:37:52 1999  Geoffrey Keating  <geoffk@cygnus.com>

        * config/rs6000/rs6000.c (first_reg_to_save): Save
        PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.

1999-11-15  Jason Merrill  <jason@casey.cygnus.com>

        * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
        notion of nesting to find the DIE for a type or function.
        DIEs can go in limbo even if we got a context_die.
        (push_decl_scope): Our context doesn't need to be in decl_scope_table.
        (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
        for local type.
        (gen_decl_die): Ignore NAMESPACE_DECLs for now.
        (gen_type_die): Writing out the context doesn't cause member class
        template instantiations to be written out as well.

Mon Nov 15 15:33:18 1999  Richard Henderson  <rth@cygnus.com>

        * rs6000.h (ASM_OUTPUT_DEF): New.
        Based on proposed addition from David Edelsohn.

1999-11-15  Robert Lipe  <RobertLipe@usa.net>
            Bruce Korb  <autogen@linuxbox.com>

        * fixinc/inclhack.def
        (AAB_svr4_replace_byteorder): added.  Takes advantage of GCC features
        (unixware7_byteorder_fix): added.  Removes conflicts for new defs
                in net/inet.h.
        (svr5_mach_defines): added.  Like svr4_mach_defines, with new syntax
        (svr4_endian): enabled with SVR5
        (svr4_mkdev): simplified syntax and enabled with SVR5

Sun Nov 14 18:49:37 1999  David O'Brien  <obrien@FreeBSD.org>

        * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
        * configure: Rebuilt.
        * config/t-freebsd-thread: New file.

Sun Nov 14 23:11:05 1999  Jeffrey A Law  (law@cygnus.com)

        * i386.c (ix86_decompose_address): Verify the base is a REG
        before trying to examine its register number.

        * basic-block.h: Remove all #defines and prototypes related to
        integer lists.
        (free_bb_mem, compute_preds_succs): Remove prototype.
        * rtl.h (free_bb_mem): Remove prototype.
        * flow.c (alloc_int_list_node); Remove function.
        (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
        (compute_preds_succs, free_bb_mem): Likewise.
        * gcse.c (gcse_main): Do not call free_bb_mem anymore.
        * toplev.c (rest_of_compilation): Likewise.
        * haifa-sched.c (build_control_flow): Use flow generated edge
        list to build the haifa specific edge list.
        (find_rgns): Use new CFG data structures instead of pred/succ lists.
        (schedule_insns): Do not build pred/succ lists anymore.  Instead
        build the edge table.

        * basic-block.h (dump_bb_data): Remove declaration.
        * flow.c (dump_bb_data): Remove function.
        * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
        (sbitmap_union_of_predsucc): Likewise.

        * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
        argument.  All callers changed.
        (delete_null_pointer_checks_1): No longer need to compute the
        pred/succ lists.

        * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
        All callers changed.
        (pre_expr_reaches_here_p_work): Likewise.
        (pre_edge_insert): No longer call pre_expr_reaches_here_p.
        * lcm.c (compute_laterin): Fix initialization of LATER.
        (compute_nearerout): Similarly for NEARER.

Sun Nov 14 12:41:57 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * cse.c (set_nonvarying_address_components): Delete unused function.
        (refers_to_p): Likewise.

Fri Nov 12 20:53:22 1999  Jeffrey A Law  (law@cygnus.com)

        * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
        needed.

Sat Nov 13 16:20:09 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
        definition in do while (0).

Fri Nov 12 16:26:25 1999  Jim Wilson  <wilson@cygnus.com>

        * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.

Fri Nov 12 12:43:49 1999  Richard Henderson  <rth@cygnus.com>

        * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.

Fri Nov 12 15:14:19 1999  Vladimir Makarov  <vmakarov@tofu.to.cygnus.com>

        * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
        (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
        (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
        (INITIAL_FRAME_POINTER_OFFSET): Remove it.

        * i960.c (i960_function_prologue): Don't allocate space for g8-g11
        saved on the stack.  Output more accurate stack frame statistics
        into assembler file.

1999-11-12 11:47 -0800  Zack Weinberg  <zack@bitmover.com>

        * genextract.c (record_insn_name): New function.
        (get_insn_name): No longer a stub.
        (main): Call record_insn_name for each insn.  After each label
        written, print the insn name in a comment.

Fri Nov 12 13:45:02 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * output.h (const_section, init_section, fini_section): Add
        prototypes.

        * alpha/elf.h (const_section): Delete declaration.

        * svr4.h (const_section): Likewise.

Fri Nov 12 08:54:22 1999  Mark Mitchell  <mark@codesourcery.com>

        * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
        * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
        (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
        expressions.
        * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
        variable-sized array bounds.
        
Fri Nov 12 08:04:45 1999  Catherine Moore  <clm@cygnus.com>

        * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME):  Use
        ASM_OUTPUT_LABEL.

Fri Nov 12 13:31:54 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
        addresses the same way GO_IF_LEGITIMATE_INDEX does. 

Fri Nov 12 12:36:04 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * cse.c (hash_arg_in_struct): Delete.
        (struct table_elt): Delete elt in_struct.
        (struct set): Delete elt src_in_struct.
        (merge_equiv_classes): Don't set either hash_arg_in_struct or
        the corresponding in_struct elts.
        (canon_hash): Likewise.
        (safe_hash): Likewise.
        (find_best_addr): Likewise.
        (record_jump_cond): Likewise.
        (cse_insn): Likewise.

Thu Nov 11 19:45:24 1999  Jim Wilson  <wilson@cygnus.com>

        * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.

        * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
        unsigned types.

Thu Nov 11 18:54:24 1999  Jeffrey A Law  (law@cygnus.com)

        * function.c (diddle_return_value): Put back check that the DECL_RTL
        for the function is a register.

        * function.c (diddle_return_value): Use hard_function_value to
        get an rtx suitable for use in the USE/CLOBBER insn.

        * global.c (global_conflicts): Update comments.
        (record_conflicts): No need to record conflicts between pseudos here.

1999-11-11  Bruce Korb  <autogen@linuxbox.com>

        * fixinc/fixincl.c: Added verbose levels for status messages

Thu Nov 11 13:23:04 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
        operand as argument to expand_and or expand_binop.

Thu Nov 11 02:21:16 1999  Rodney Brown <RodneyBrown@pmsc.com>

        * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
        gcc_add_string_root.

Wed Nov 10 21:24:19 1999  Jason Eckhardt  <jle@cygnus.com>

        * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.

Wed Nov 10 15:56:16 1999  Jeffrey A Law  (law@cygnus.com)

        * flow.c (compute_flow_dominators): Initially put all blocks on
        the worklist.
        * lcm.c (compute_antinout_edge, compute_available): Similarly.
        * gcse.c (compute_cprop_avinout): Remove.
        (compute_cprop_data): Use compute_available.
        (delete_null_pointer_checks_1): Use compute_available.

        * basic-block.h (compute_available): Returns a void now.
        * gcse.c (one_classic_gcse_pass): Do not expect compute_available
        to return a value anymore.
        * lcm.c (compute_available, compute_antinout_edge): Revamp to use
        worklists.  Fix boundary cases. Compute maximal solutions.
        (compute_laterin, compute_nearerout): Similarly.

        * dwarf2out.c (add_AT_location_description): Allow
        (mem (plus (pseudo) (...)) too.

Wed Nov 10 10:52:42 1999  Tom Tromey  <tromey@cygnus.com>

        * gcc.c (do_spec_1): Support text between `%u' and `%O'.

Wed Nov 10 12:43:21 1999  Philippe De Muyter  <phdm@macqel.be>
                          Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.

        * gansidecl.h: Likewise.

        * rtl.c: Likewise.

        * rtl.h: Likewise.

        * toplev.h: Likewise.

        * tree.c: Likewise.

        * tree.h: Likewise.

        * varray.c: Likewise.

        * varray.h: Likewise.

Wed Nov 10 10:57:22 1999  Clinton Popetz  <cpopetz@cygnus.com>

        * gcov.c (struct arcdata): Add hits and total, remove prob.
        (output_branch_counts): New.
        (process_args): Set output_branch_counts if -c.
        (calculate_branch_probs): Store hits and total instead of
        percentage.
        (output_data): Emit counts if output_branch_counts is true.
        * gcov.texi (Invoking Gcov): Document -c switch..

Wed Nov 10 01:10:41 1999  Philippe De Muyter  <phdm@macqel.be>

        * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
        `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.

Wed Nov 10 00:51:41 1999  Hans-Peter Nilsson  <hp@axis.se>

        * invoke.texi (C Dialect Options): Add missing builtins from
        c-common.c to list.
        * extend.texi (Other Builtins): Copy to this list.

Wed Nov 10 04:58:09 1999  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>

        * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
        (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise.  Remove
        redundant bitmap.h.

Wed Nov 10 00:02:53 1999  Jeffrey A Law  (law@cygnus.com)

        * flow.c (compute_flow_dominators): No longer treat basic block 0
        or (n_basic_blocks - 1) specially.  Clear the AUX field before
        starting computation of doms/pdoms.  Fix initial state for pdoms.

Wed Nov 10 03:58:08 1999  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>

        * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
        match rtl.o's: added ggc.h and toplev.h
        ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
        ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
        ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).

Tue Nov  9 10:30:08 1999  Tom Tromey  <tromey@cygnus.com>

        * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
        from HAVE_DOS_BASED_FILESYSTEM.
        * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
        HAVE_DOS_BASED_FILESYSTEM.
        (main): Likewise.
        (split_directories): Only special-case DOS file names if
        HAVE_DOS_BASED_FILE_SYSTEM is defined.  Use IS_DIR_SEPARATOR
        instead of explicit tests.  Conditionalize on !VMS.
        (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
        tests.  Conditionalize on !VMS.
        (process_command): Only use make_relative_prefix if !VMS.
        (free_split_directories): Conditionalize on !VMS.
        (DIR_UP): Conditionalize on !VMS.

Wed Jun  9 16:57:11 1999  Mumit Khan  <khan@xraylith.wisc.edu>

        * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.

Fri Feb  5 14:22:01 1999  Mumit Khan  <khan@xraylith.wisc.edu>

        * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
        case.

Mon Nov  8 14:16:57 1999  Michael Meissner  <meissner@cygnus.com>

        * invoke.texi (Environment Variables): Document relative path
        lookup.
        * gcc.c (DIR_UP): If not defined, define as "..".
        (standard_bindir_prefix): New static, holds target location to
        install binaries.
        (split_directories): New function to split a filename into
        component directories.
        (free_split_directories): New function, release memory allocated
        by split_directories.
        (make_relative_prefix): New function, make a relative pathname if
        the compiler is not in the expected location.
        (process_command): If GCC_EXEC_PREFIX was not specified, see if we
        can figure out an appropriate prefix from argv[0].
        * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
        STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX.  Define
        STANDARD_BINDIR_PREFIX.

Wed Nov 10 11:47:54 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x-protos.h: New file.  Prototypes for functions defined
        in c4x.c.
        * config/c4x/c4x.h: Moved prototypes to c4x.h.
        * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
        c4x_secondary_memory_needed) Delete.
        (fp_zero_operand): Add mode argument.

Thu Nov  4 15:52:35 1999  Andrew Haley  <aph@cygnus.com>

        * reload1.c (reload_reg_free_for_value_p): Don't use a register
        that is in reload_reg_used.

Tue Nov  9 16:43:00 1999  Nick Clifton  <nickc@cygnus.com>

        * config/arm/arm-protos.h: New file: Prototypes for functions
        defined in arm.c and pe.c.
        * config/arm/arm.h: Fix compile time warnings.
        * config/arm/arm.c: Fix compile time warnings.
        * config/arm/pe.h: Fix compile time warnings.
        * config/arm/aout.h: Fix compile time warnings.

Tue Nov  9 14:55:44 1999  Nick Clifton  <nickc@cygnus.com>

        * config/m32r/m32r-protos.h: New file: Prototypes for functions
        defined in m32r.c
        
        * config/m32r/m32r.h: Move prototypes to m32r-protos.h
        Add support for subtargets.
        Add prototypes for new predicates.
        Add scheduling macros.
        
        * config/m32r/m32r.c: Fix compile time warnings.
        (int8_operand): New predicate function.
        (reg_or_cmp_int16_operand): New predicate function.
        (extend_operand): New predicate function.
        (m32r_adjust_code): New scheduling function.
        (m32r_adjust_priorty): New scheduling function.
        (m32r_sched_init): New scheduling function.
        (m32r_sched_reorder): New scheduling function.
        (m32r_sched_variable_issue): New scheduling function.
        (direct_return): New codegen function.
        (m32r_not_same_reg): New rtl testsing function.
        
        * config/m32r/m32r.md: Fix compile time warnings.
        Add support for pre decrement and post increment memory
        references.
        Add S<cc> patterns.
        Add fabs patterns.
        
Mon Nov  8 22:20:13 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * global.c (EXECUTE_IF_CONFLICT): Don't define.
        (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
        (find_reg): Likewise.

Mon Nov  8 13:16:46 1999  Jason Eckhardt  <jle@cygnus.com>

        * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
        to avoid assembler errors.

Mon Nov  8 15:38:41 1999  Nick Clifton  <nickc@cygnus.com>

        * config/v850/v850-protos.h: New file: Prototypes for functions
        defined in v850.c
        * config/v850/v850.h: Move prototypes to v850-protos.h
        * config/v850/v850.c: Move prototypes to v850-protos.h
        * config/v850/v850.md: Fix compile time warnings.

        * config/fr30/fr30-protos.h: New file: Prototypes for functions
        defined in fr30.c
        * config/fr30/fr30.h: Move prototypes to fr30-protos.h
        * config/fr30/fr30.c: Fix compile time warnings.
        * config/fr30/fr30.md: Fix compile time warnings.

Mon Nov  8 07:25:37 1999  Mark Mitchell  <mark@codesourcery.com>

        * tree.h (get_containing_scope): Declare it.
        * tree.c (get_containing_scope): New fucntion.
        (decl_function_context): Use it.
        * toplev.c (rest_of_compilation): Use get_containing_scope.

aMon Nov  8 03:03:07 1999  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>

        * Makefile.in (rtl.o): Depend on toplev.h.

Sun Nov  7 20:55:14 1999  Mark Mitchell  <mark@codesourcery.com>

        * cse.c (delete_trivially_dead_insns): Replace alloca with
        xmalloc/xcalloc.
        * except.c (update_rethrow_references): Likewise.
        (init_eh_nesting_info): Likewise.
        * function.c (identify_blocks): Likewise.
        * gcse.c (dump_hash_table): Likewise.
        * graph.c (print_rtl_graph_with_bb): Likewise.
        * loop.c (combine_movables): Likewise.
        (move_movables): Likewise.
        (count_loop_regs_set): Likewise.
        (strength_reduce): Likewise.
        * profile.c (compute_branch_probabilities): New function, split
        out from ...
        (branch_prob): Here.  Replace alloca with xmalloc/xcalloc.
        * regclass.c (regclass): Likewise.
        * regmove.c (regmove_optimize): Likewise.
        * toplev.c (compile_file): Likewise.
        (main): Don't mess with the stack rlimit.
        
Sun Nov  7 19:41:17 1999  Catherine Moore  <clm@cygnus.com>

        * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
        (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.

Sun Nov  7 10:23:28 1999  Mark P. Mitchell  <mark@codesourcery.com>

        * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.

Sun Nov  7 02:58:48 1999  Jeffrey A Law  (law@cygnus.com)

        * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
        (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
        macro expansion.

Sat Nov  6 23:48:30 1999  Robert Lipe  (robertlipe@usa.net)

        * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.

Sat Nov  6 17:34:39 1999  Jeffrey A Law  (law@cygnus.com)

        * gcse.c (post_dominators): Kill.
        (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
        (compute_code_hoist_data): Use compute_flow_dominators.  Do not
        pass in a pdom array since we do not need pdoms.
        * haifa-sched.c (schedule_insns): Similarly.
        * flow.c (compute_dominators): Remove dead function.
        (compute_flow_dominators): Do not compute doms or pdoms if the
        caller does not request them.  Split up loop to build doms and
        pdoms.  Use a worklist to compute doms and pdoms.
        * basic-block.h (compute_dominators): Remove prototype.

Sat Nov  6 11:38:39 1999  Richard Henderson  <rth@cygnus.com>

        * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
        (insn_luid, insn_priority, insn_costs, insn_units): Remove.
        (insn_reg_weight, insn_depend, insn_dep_count): Remove.
        (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
        (cant_move, fed_by_spec_load, is_load_insn): Remove.
        (schedule_region): Remove unused variable.
        (schedule_insns): Allocate h_i_d, and not all the separate arrays.

Sat Nov  6 10:00:34 1999  Mark Mitchell  <mark@codesourcery.com>

        * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
        (update_equiv_regs): Likewise.
        (block_alloc): Likewise.
        * reg-stack.c (reg_to_stack): Likewise.
        (convert_regs_2): Likewise.
        * reload1.c (reload_as_needed): Likewise.
        
Sat Nov  6 09:57:59 1999  Mark Mitchell  <mark@codesourcery.com>

        * Makefile.in (dbxout.o): Depend on ggc.h.
        (dwarf2out.o): Likewise.
        (xcoffout.o): Likewise.
        * dbxout.c: Include ggc.h.
        (dbxout_init): Register lastfile as a root.
        * dwarf2out.c: Include ggc.h.
        (dwarf2out_line): Register lastfile as a root.
        * xcoffout.c: Include ggc.h.
        (xcoffout_source_line): Register xcoff_lastfile as a root.

Sat Nov  6 09:52:09 1999  Richard Henderson  <rth@cygnus.com>

        * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.

Sat Nov  6 07:48:59 1999  Catherine Moore  <clm@cygnus.com>

        * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
        defined.
        (ASM_DECLARE_FUNCTION_SIZE): Likewise.

Fri Nov  5 18:33:39 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
        (EXECUTE_IF_CONFLICT): Likewise.
        (ALLOCNO_LIVE_P): Avoid signed division.
        (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
        (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
        (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.

Fri Nov  5 12:04:02 1999  Richard Henderson  <rth@cygnus.com>

        * haifa-sched.c (schedule_block): Don't crash if there's no
        next insn for an interblock movement.
        (add_branch_dependences): Don't allow clobber insns to move either.

Fri Nov  5 10:18:11 1999  Richard Henderson  <rth@cygnus.com>

        * i386.c (split_xf): New.
        * i386-protos.h: Declare it.
        * i386.md (movxf_1): Add general regs alternatives.
        (movxf_1+1): New splitter for same.

Fri Nov  5 12:05:52 1999  Nick Clifton  <nickc@cygnus.com>

        * function.c (purge_addressof_1): Add missing return values.

Fri Nov  5 10:07:25 1999  Nick Clifton  <nickc@cygnus.com>

        * function.c (is_addressof): New function.  Returns true if
        the given piece of RTL is an ADDRESSOF.
        (purge_addressof_1): Make boolean.  Return false if the
        ADDRESSOFs could not be purged.
        (purge_addressof): If ADDRESSOFs could not be purged from the
        notes attached to an insn, remove the offending note(s),
        unless they are attached to a libcall.

1999-11-05  Andreas Jaeger  <aj@suse.de>

        * genoutput.c (null_operand =): Initialize all fields.

        * errors.h: Add extern to prototypes.

Fri Nov  5 01:44:09 1999  Jeffrey A Law  (law@cygnus.com)

        * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
        * configure: Rebuilt.

Fri Nov  5 01:24:37 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
        (mirror_conflicts): New function.
        (global_alloc): Call it.
        (expand_preferences): Remove redundant CONFLICTP test.
        (find_reg, dump_conflicts): Likewise.
        (prune_preferences): Process conflicts one word at a time.

Fri Nov  5 01:05:21 1999  Richard Henderson <rth@cygnus.com>

        * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
        instead of an explicit loop.

Thu Nov  4 23:07:14 1999  Jim Wilson  <wilson@cygnus.com>

        * cse.c (cse_insn): Revert Oct 31 change.  When computing src_elt,
        if REG_RETVAL check succeeds, then put classp in src_elt.

Thu Nov  4 23:48:14 1999  Jeffrey A Law  (law@cygnus.com)

        * function.c (pad_to_arg_alignment): Only update argument_pad
        if the argument's alignment is greater than STACK_BOUNDARY.

Thu Nov  4 16:44:53 1999  Richard Henderson  <rth@cygnus.com>

        * bitmap.h (BITMAP_XFREE): New.
        * flow.c (life_analysis): Use it.
        (life_analysis_1): Free blocks.

        * combine.c (undo_commit): New.
        (try_combine): Use it.  Don't zap undobuf.undos.
        (combine_instructions): Don't zap undobuf.undos; free the
        undobuf.frees list.

        * local-alloc.c (local_alloc): Free qty_phys_num_sugg.

        * stmt.c (cost_table_): New.
        (estimate_case_costs): Use it instead of xmalloc.

        * toplev.c (compile_file): Reuse dumpname memory instead
        of strdup'ing it.

Thu Nov  4 16:36:44 1999  Richard Henderson  <rth@cygnus.com>

        * reg-stack.c (convert_regs_1): Initialize target_stack->top
        after verifying an EH edge.

        * haifa-sched.c (init_rgn_data_dependences): Correctly
        size bb_pending_lists_length when zeroing.

Thu Nov  4 16:36:36 1999  Richard Henderson  <rth@cygnus.com>

        * function.c (diddle_return_value): New.
        (expand_function_end): Use it.
        * stmt.c (expand_null_return): Likewise.
        (expand_value_return): Likewise.

        * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.

        * reload1.c (reload): Don't remove return value clobbers.

Thu Nov  4 13:33:46 1999  Richard Henderson  <rth@cygnus.com>

        * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.

Thu Nov  4 12:49:52 1999  Richard Henderson  <rth@cygnus.com>

        * cse.c (cse_main): Use xmalloc, not alloca.
        (cse_basic_block): Likewise.
        * local-alloc.c (local_alloc): Likewise.

Thu Nov  4 14:22:12 1999  David Billinghurst  <David.Billinghurst@riotinto.com.au>
                          Alexandre Oliva  <oliva@lsd.ic.unicamp.br>

        * rtl.c: Include toplev.h.
        (fatal): Remove declaration.

Thu Nov  4 06:39:47 1999  Jeffrey A Law  (law@cygnus.com)

        * haifa-sched.c (schedule_block): Fix thinko.

1999-11-03  James McKelvey <mckelvey@fafnir.com>

        * fixinc/fixincl.c(create_file):  Allow for systems that do not have
        S_IR* defined values

1999-11-03  Philippe De Muyter  <phdm@macqel.be>

        * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
        call `malloc' instead.

Wed Nov  3 23:05:14 1999  Mark Mitchell  <mark@codesourcery.com>

        * flags.h (flag_renumber_insns): Declare.
        * emit-rtl.c (renumber_insns): Check flag_renumber_insns.  Print
        renumbering table.
        * rtl.h (renumber_insns): Change prototype.
        * toplev.c (flag_renumber_insns): Define.
        (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
        
Wed Nov  3 15:11:27 1999  David S. Miller  <davem@redhat.com>

        * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
        and fpsqrtd.  Use them and create fdiv function unit to more
        accurately represent fpu sqrt pipeline semantics on UltraSparc.
        * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.

Wed Nov  3 15:11:27 1999  Matteo Frigo <athena@fftw.org>

        * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
        3 on UltraSparc.
        * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
        insn into ready list, do not use just a raw swap.

Wed Nov  3 14:51:59 1999  Mark P. Mitchell  <mark@codesourcery.com>

        * rtl.h (renumber_insns): New function.
        (remove_unnecessary_notes): Likewise.
        * emit-rtl.c (renumber_insns): Define.
        (remove_unncessary_notes): Likewise.
        * toplev.c (rest_of_compilation): Remove dead code.
        Use renumber_insns and remove_unncessary_notes.

        * gcse.c (struct null_pointer_info): New type.
        (get_bitmap_width): New function.
        (current_block): Remove.
        (nonnull_local): Likewise.
        (nonnull_killed): Likewise.
        (invalidate_nonnull_info): Take a null_pointer_info as input.
        (delete_null_pointer_checks_1): New function.
        (delete_null_pointer_checks): Use it.

        * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
        (split_edges): Likewise.
        (schedule_block): Likewise.
        (compute_block_backward_dependencies): Likewise.
        (schedule_region): Likewise.
        (schedule_insns): Likewise.
        
Wed Nov  3 15:40:23 1999  Catherine Moore  <clm@cygnus.com>

        * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
        * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
        * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
        * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
        * jump.c (delete_unreferenced_labels): Don't delete if
        LABEL_ALTERNATE_NAME is set.
        * print-rtl.c (print_rtx): Dump alternate name.
        * rtl.def (CODE_LABEL): Change format to "iuuis00s".
        * rtl.h (LABEL_ALTERNATE_NAME): Define.
        * rtl.texi (LABEL_ALTERNATE_NAME): Document.
        * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.

Wed Nov  3 15:39:19 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * fix-header.c (recognized_extern, recognized_function): Constify
        a char*.

        * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
        (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
        (compute_available): Remove unused variable `last'.
        (compute_nearerout): Remove unused variable `temp_bitmap'.
        (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
        Remove unused variable `x'.

        * scan.h (recognized_function, recognized_extern): Constify a
        char*.

        * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.

Wed Nov  3 10:40:53 1999  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

         * varasm.c (decode_rtx_const): Use XSTR to access the string
         of a SYMBOL_REF.

Wed Nov  3 10:10:58 1999  Richard Henderson  <rth@cygnus.com>

        * c-decl.c (duplicate_decls): Copy DECL_MODE too.

Wed Nov  3 12:12:59 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.

Wed Nov  3 03:26:28 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.c (ireg_operand): New function.
        * pa.h (PREDICATE_CODES): Handle ireg_operand.
        * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
        Fix out of date comment.

        * pa.md (negdi2): Turn into expander + anonymous pattern.

        * reload.c (find_reloads): Fix typos in recent change.

        * dwarf2out.c: Do not include ctype.h.

Tue Nov  2 21:53:44 1999  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * regclass.c (record_reg_classes): Always use may_move_cost when
        seeing how operand fits with various register classes.

Tue Nov  2 15:38:17 1999  Richard Henderson  <rth@cygnus.com>

        * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
        * toplev.c: Revert Nov 1 13:22 change.

Tue Nov  2 14:21:37 1999  Jason Eckhardt  <jle@cygnus.com>

        * config/pa/pa.md (height reduction patterns): Add checks for
        overlapping operands to avoid semantic-destroying splits for 
        height reduction patterns.

Tue Nov  2 15:27:31 1999  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>

        * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
        have been an hyphen, fixed.
        * configure: Rebuilt.

Tue Nov  2 17:04:36 1999  Nick Clifton  <nickc@cygnus.com>

        * config/arm/tpe.h: Add prototypes for exported functions.
        * config/arm/pe.c: Fix compile time warnings.
        * config/arm/semi.h: Fix compile time warnings.
        * config/arm/arm.c: Fix compile time warnings.
        * config/arm/arm.h: Fix compile time warnings.
        * config/arm/arm.md: Fix compile time warnings.
        * config/arm/thumb.c: Fix compile time warnings.
        * config/arm/thumb.h: Fix compile time warnings.
        * config/arm/thumb.md: Fix compile time warnings.

Tue Nov  2 04:10:24 1999  Jan Hubicka  <hubicka@freesoft.cz>

        * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
        detection code

        * unroll.c (unroll_loop): Remove LOOP notes when loop is
        completely unrolled.

Tue Nov  2 16:57:22 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.

Tue Nov  2 09:43:00 1999   Catherine Moore  <clm@cygnus.com>

        * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
        * rtl.h (rtx_equal_p): Move prototype.
        * rtl.c (rtx_equal_function_value_matters): Move from 
        rtlanal.c
        (rtx_equal_p): Likewise.
        * rtlanal.c (rtx_equal_function_value_matters): Delete.
        (rtx_equal_p): Likewise.

Mon Nov  1 23:21:17 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
        ! HAS_INIT_SECTION.

Mon Nov  1 23:37:38 1999  Jeffrey A Law  (law@cygnus.com)

        * gcc.1 (PA options): Remove obsolete -mshared-libs options.

        * pa.h (ADDR_VEC_ALIGN): Define.

        * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
        notes when presented with "if (foo) break; end_of_loop" and
        the break sequence gets moved out of the loop.

        * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
        Remove explicit zero initializations of entries within MAP.

Mon Nov  1 18:09:14 1999  Richard Henderson  <rth@cygnus.com>

        * reg-stack.c (convert_regs_1): Handle EH edges specially.

Mon Nov  1 15:41:01 1999  Mark P. Mitchell  <mark@codesourcery.com>

        * bitmap.h (BITMAP_XMALLOC): New macro.
        * flow.c (CLEAN_ALLOCA): Remove.
        (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
        (life_analysis): Likewise.
        (update_life_info): Don't use CLEAN_ALLOCA.
        (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
        (calculate_global_regs_live): Likewise.
        (print_rtl_with_bb): Likewise.
        (verify_flow_info): Likewise.
        * global.c (global_alloc): Likewise.
        (global_conflicts): Likewise.
        * integrate.c (save_for_inline_nocopy): Likewise.
        (expand_inline_function): Likewise.
        * jump.c (jump_optimize_1): Likewise.
        (duplicate_loop_exit_test): Likewise.
        (thread_jumps): Likewise.
        * loop.c (loop_optimize): Likewise.
        (combine_givs): Likewise.
        (recombine_givs): Likewise.
        * reorg.c (dbr_schedule): Likewise.
        * unroll.c (unroll_loop): Likewise.
        
        * combine.c (combine_instructions): Use xmalloc instead of alloca.

Mon Nov  1 13:22:30 1999  Richard Henderson  <rth@cygnus.com>

        * toplev.c (rest_of_compilation): Don't optimize the CFG
        when rebuilding, just before dbr.

Mon Nov  1 14:35:50 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * output.h (assemble_end_function, assemble_destructor,
        assemble_constructor, assemble_gc_entry, assemble_global,
        assemble_label, output_constant_pool) Constify a char*.

        * varasm.c (assemble_destructor, assemble_constructor,
        assemble_gc_entry, assemble_end_function, assemble_global,
        assemble_label, output_constant_pool): Likewise.

Mon Nov  1 14:22:51 1999  Nick Clifton  <nickc@cygnus.com>

        * config/arm/thumb.c (thumb_expand_prologue): Add comments
        explaining what is goin on in this function.

Mon Nov  1 08:03:15 1999  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * regclass.c (record_reg_classes): In matching case, recompute
        costs since the direction of movement is different.

Sun Oct 31 21:59:34 MST 1999    Diego Novillo <dnovillo@cygnus.com>

        * resource.c (mark_target_live_regs): For unconditional branches,
        the resources found at the branch target should be added to the
        resources found so far, not intersected.

Sun Oct 31 15:48:49 1999  Philippe De Muyter  <phdm@macqel.be>

        * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
        old cpp's.
        * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
        (sys/mman.h): Include this file only if #HAVE_MMAP.
        (run_compiles): Initialize `esac_fmt' with one old KR string, not
        with automatically concatenated ANSI strings.

Sun Oct 31 23:57:07 1999  Mark Mitchell  <mark@codesourcery.com>

        * ggc-page.c (struct page_entry): Remove save_num_free_objects.
        (DIV_ROUND_UP): Robustify.
        (ggc_recalculate_in_use_p): New function.
        (release_pages): Don't inline it.
        (ggc_alloc_obj): Don't refuse to allocate objects on pages for
        outer contexts.
        (ggc_pop_context): Use ggc_recalculate_in_use_p.
        (clear_marks): Always save in_use_p.
        (sweep_pages): Use ggc_recalculate_in_use_p.
        (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
        Release pages before counting statistics.
        
Sun Oct 31 23:42:37 1999  Mark Mitchell  <mark@codesourcery.com>

        * toplev.c (rest_of_compilation): Fix thinko in this change:
        
        Fri Oct 29 15:25:07 1999  Arnaud Charlet  <charlet@ACT-Europe.FR>

        (rest_of_compilation): If inside an inlined external function,
        pretend we are just being declared.

Sun Oct 31 23:03:25 1999  Jeffrey A Law  (law@cygnus.com)

        * flow.c (calculate_global_regs_live): Fix thinko.

        * integrate.c (expand_inline_function): Fix bugs in previous
        change from Oct 28, 1999.

Sun Oct 31 20:27:45 1999  Mark Mitchell  <mark@codesourcery.com>

        * stmt.c (expand_value_return): Fix typo in this change:

        Thu Oct 28 18:06:50 1999  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
        (expand_value_return): Correctly convert VAL when promoting function
        return; support RETURN_REG being a PARALLEL.
        
Sun Oct 31 20:25:42 1999  Mark P. Mitchell  <mark@codesourcery.com>

        * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.

Sun Oct 31 20:42:17 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * hard-reg-set.h (reg_names): Constify a char*.

        * regclass.c  (reg_names): Likewise.

        * regs.h (reg_names): Likewise

        * a29k/a29k.c (reg_names): Delete declaration.

        * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.

        * arc/arc.c (arc_save_restore, arc_output_function_prologue,
        arc_output_function_epilogue): Likewise.

        * elxsi/elxsi.c (reg_names): Likewise.

        * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
        
        * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
        Likewise.

        * m88k/m88k.c (output_function_profiler): Likewise.

        * sparc/sparc.c (sparc_flat_output_function_prologue,
        sparc_flat_output_function_epilogue): Likewise.

Sun Oct 31 13:32:15 CET 1999  Marc Lehmann <pcg@goof.com>

        * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
        warning from -Wuninitialized and put it under -W.
        * function.c (uninitialized_vars_warning): Warn only when the
        corresponding flag is set.

Sun Oct 31 01:53:30 1999  Jeffrey A Law  (law@cygnus.com)

        * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
        is nonzero and the single set does not have an elt, then assign
        it an elt.

        * simplify-rtx.c: New file.
        * Makefile.in (OBJS): Add simplify-rtx.o
        (simplify-rtx.o): Add dependencies.
        * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
        * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
        (cse_gen_binary, simplify_unary_operation): Delete.
        (simplify_binary_operation, simplify_plus_minus): Likewise.
        (check_fold_consts, simplify_relation_operation): Likewise.
        (simplify_ternary_operation): Likewise.
        (delete_trivially_dead_insns): Simplify the contents of the
        REG_EQUAL note before trying to substitute it into the source
        of the reg-reg copy at the end of a libcall sequence.

        * combine.c (combine_simplify_rtx): Renamed from simplify_rtx.  All
        references/callers changed.

        * mn10200.c (mn10200_va_arg): Force the return value into a
        register.

        * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.

        * cccp.c (macroexpand): Avoid out of range accesses for omitted
        arguments.

Sat Oct 30 22:42:50 1999  Stephen L Moshier <moshier@mediaone.net>

        * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.

Sat Oct 30 22:19:26 1999  Jeffrey A Law  (law@cygnus.com)

        * fold-const.c (fold): Fix thinko when optimizing comparisons
        against -0.0.

Sat Oct 30 21:32:17 1999  David Starner  <dstarner98@aasaa.ofe.org>

        * gcc.texi (Passes): Update front-end files to their current 
        location.

Sat Oct 30 14:41:40 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
        (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
        (PREDICATE_CODES): Add addition_operation.
        * alpha-protos.h (addition_operation): Declare.
        (secondary_reload_class): Likewise.
        * alpha.c (addition_operation): New.
        (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
        * alpha.md (adddi3): Turn into expander.
        (*lda, *adddi_2): New.
        (movsf, movdf patterns): Don't preference integer regs.
        (movsi, movdi patterns): Don't preference fp regs.

Sat Oct 30 14:38:22 1999  Richard Henderson  <rth@cygnus.com>

        * genrecog.c (write_switch): Check for duplicate CODE cases.

Sat Oct 30 14:31:48 1999  Richard Henderson  <rth@cygnus.com>

        * ggc-common.c: Update pre-function commentary.
        * ggc-page.c: Likewise.
        (poison): Remove.
        (poison_pages): Use memset directly.
        (ggc_alloc_obj): Likewise.  Use a different pattern than poison_pages.
        (ggc_collect): Poison before sweeping.
        * ggc-simple.c: Update pre-function commentary.
        (ggc_alloc_obj): Poison non-zeroed memory.

Sat Oct 30 14:28:52 1999  Mark Mitchell  <mark@codesourcery.com>

        * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
        match format string, even on 64-bit hosts.
        * gcc-page.c (ggc_page_print_statistics): Likewise.

Sat Oct 30 14:38:04 1999  Catherine Moore  <clm@cygnus.com>

        * config/i386/i386.c (ix86_cpu): Revert last patch.
        * config/i386/i386.h (ix86_cpu): Ditto.

Fri Oct 29 17:00:42 1999  Jim Wilson  <wilson@cygnus.com>

        * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
        TYPE_SIZE, convert type of result to sizetype.

Fri Oct 29 14:34:17 1999  Richard Henderson  <rth@cygnus.com>

        * flow.c (count_or_remove_death_notes): Equate NULL with the
        universal set.

        * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
        * toplev.c (rest_of_compilation): Rebuild CFG immediately before
        dbr_schedule.

        * i386.c (pic_label_no): Delete.
        (ix86_attr_length_default): Don't use single_set to peek
        inside a parallel.

        * recog.c (peephole2_optimize): Allow recog_next_insn to index
        the first insn after bb->end.
        * i386.md (push mem peeps): Scratch is live after evaluation
        of the memory.
        (cmp mem peep): Similarly.

Fri Oct 29 11:50:11 1999  Catherine Moore  <clm@cygnus.com>

        * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
        * function.c (pad_to_arg_alignment): Add missing braces.

Fri Oct 29 13:53:48 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * alpha/alpha-protos.h (literal_section): Add prototype.
        (alpha_need_linkage, alpha_start_function,alpha_end_function):
        Constify a char*.

        * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
        prototype.
        (alpha_start_function, alpha_end_function, float_strings,
        alpha_need_linkage): Constify a char*

        * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.

        * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.

        * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.

        * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.

Fri Oct 29 13:49:39 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * flow.c (debug_flow_info): Add prototype.

        * gcc.c (main): Likewise.

        * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
        Likewise.

        * reload1.c (failed_reload, set_reload_reg): Likewise.
        
        * mips-tfile.c (main): Likewise.
        (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
        with ATTRIBUTE_NORETURN.

Fri Oct 29 18:16:03 1999  Andrew Haley  <aph@cygnus.com>

       * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
       DECL is not a memory ref.
 
Fri Oct 29 09:05:34 1999  Catherine Moore  <clm@cygnus.com>

        * config/i386/i386.h (ix86_cpu): Remove extern attribute.
        * config/i386/i386.c (ix86_cpu): Add extern attribute.

Fri Oct 29 16:30:04 1999  Andrew Haley  <aph@cygnus.com>

        * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
        * config/mips/elf64.h: ditto.

Fri Oct 29 08:03:57 1999  Catherine Moore  <clm@cygnus.com>

        * expr.c (emit_push_insn): New argument alignment_pad.
        Update all callers.  Adjust stack pointer based on alignment pad.
        * function.c (pad_to_arg_alignment):  New argument alignment_pad.
        Update all callers.  Track alignment_pad if boundary > PARM_BOUNDARY.
        (locate_and_pad_parm): New argument alignment_pad.  Update all
        callers.
        * expr.h (emit_push_insn): Update prototype.
        (locate_and_pad_parm): Update prototype.
        * calls.c (arg_data):  Add new field alignment_pad.
        (initialize_argument_information): Initialize alignment_pad.

Fri Oct 29 02:51:35 1999  Mark Mitchell  <mark@codesourcery.com>

        * except.c (free_eh_nesting_info): Free the info itself.
        * function.c (free_after_compilation): Don't free NULL.
        * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
        (pre_edge_insert): Free inserted.
        * stmt.c (free_stmt_status): Don't free NULL.

Fri Oct 29 15:25:07 1999  Arnaud Charlet  <charlet@ACT-Europe.FR>

        * gcov.c (DIR_SEPARATOR): Provide default.
        (output_data): Add test for MS-DOS format absolute filename.
        (fancy_abort): Correct program name.
        (open_files): Open all files in binary mode.
        * libgcc2.c (__bb_exit_func): Likewise.

        * profile.c (init_branch_prob): Specify binary when opening files.

        * flags.h (flag_unwind_tables): New decl.
        * toplev.c (flag_unwind_table): New definition.
        (f_options): Add -funwind-tables.
        (decode_g_option): Clarify warning when unknown -g option is given.
        (rest_of_compilation): If inside an inlined external function,
        pretend we are just being declared.

        * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
        (dwarf2out_frame_finish): Likewise.

Fri Oct 29 07:44:26 1999  Vasco Pedro  <vp@di.fct.unl.pt>

        * fold-const.c (merge_ranges): In not in0, but in1, handle
        upper bounds equal like subset case.

Thu Oct 28 19:22:24 1999  Douglas Rupp <rupp@gnat.com>

        * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
        passed in a register but moved to the stack.

Thu Oct 28 19:12:57 1999  Sam Tardieu  <tardieu@act-europe.fr>

        * gcc.c (pass_exit_codes, greatest_status): New variables.
        (struct option_map): Add entry for "--pass-exit-codes".
        (execute): Update greatest_status if error.
        (display_help): Add documentation for -pass-exit-codes.
        (process_command): Handle -pass-exit-codes.
        (main): Look at pass_exit_codes and greatest_status on call to exit.

Thu Oct 28 18:06:50 1999  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * reload.c (find_reloads): Refine test for no input reload
        case to not includes reloads emitted after insn.

        * function.c (find_temp_slots_from_address): Handle sum involving
        a register that points to a temp slot.
        (update_temp_slot_address): Make recursive call if both old and
        new are PLUS with a common operand.
        * calls.c (expand_call): Mark temp slot for result as having
        address taken.
        
        * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.

        * gcc.c (process_command): Add standard_exec_prefix with "GCC"
        component as well as "BINUTILS".

        * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
        * integrate.c (copy_rtx_and_substitute): Likewise.
        (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
        All callers changed.
        * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
        
        * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
        gdb extensions, write size of type; also be more consistent
        in using references when this is a subtype.

        * pa.md (extv, extzv, insv): Use define_expand to reject constant
        that is out of range.

        * loop.c (unknown_constant_address_altered): New variable.
        (prescan_loop): Initialize it.
        (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
        (invariant_p, case MEM): Remove handling for volatile and readony;
        check new variable if readonly.
        (check_dbra_loop): Chdeck unknown_constant_address_altered.

        * cse.c (canon_hash, case MEM): Do not record if BLKmode.
        (addr_affects_sp_p): Removed from note_mem_written and only
        define #ifdef AUTO_INC_DEC.

        * alpha.c (input_operand, case ADDRESSOF): Treat as REG.

        * regclass.c (record_reg_classes): Properly handle register move
        directions.

        * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
        Don't think valid if both operands are invalid.
        (struct constant_descriptor): New field RTL.
        (mark_const_hash_entry): Mark it.
        (record_constant{,_rtx}): Initialize it.
        (output_constant_def): Allocate RTL in permanent obstack and
        save in table.
        ({record,compare}_constant_1): Modes must match for
        CONSTRUCTOR of ARRAY_TYPE.

        * c-common.h (initializer_constant_valid_p): Delete decl from here.
        * output.h (initializer_constant_valid_p): Move decl to here.
        * c-common.c (initializer_constant_valid_p): Delete function from here.
        * varasm.c (initializer_constant_valid_p): Move function to here.

        * tree.h (STRIP_SIGN_NOPS): New macro.
        * fold-const.c (optimize_minmax_comparison): New function.
        (invert_truthvalue, case WITH_RECORD_EXPR): New case.
        (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
        (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
        cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
        widening conversions.
        (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
        to look at size of mode, not precision of type; also add missing cases.
        (optimize_bit_field_compare, decode_field_reference): Don't try to
        optimize COMPONENT_REF of a PLACEHOLDER_EXPR.

        * dwarf2out.c (ctype.h): Include.
        (dwarf2out_set_demangle_name_func): New function.
        (size_of_line_info): Deleted.
        (output_line_info): Compute size of line info table from difference
        of labels.
        (base_type_die, add_name_attribute): Call demangle function, if any.
        (field_byte_offset): Use bits per word for variable length fields.
        (gen_array_type_die): Add array name.
        (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
        (dwarf2out_add_library_unit_info): New function.

        * explow.c (set_stack_check_libfunc): New function.
        (stack_check_libfunc): New static variable.
        (probe_stack_range): Allow front-end to set up a libfunc to call.

        * combine.c (simplify_comparison): When making comparison in wider
        mode, check for having commuted an AND and a SUBREG.
        (contains_muldiv): New function.
        (try_combine): Call it when dividing a PARALLEL.
        (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
        (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
        a PLUS.
        (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
        use one of the CLOBBERs instead.
        (if_then_else_cond): If comparing against zero, just return thing
        being compared.

        * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
        Don't generate shifts and subtract if have conditional arithmetic.

        * rtl.h (delete_barrier): New declaration.
        * jump.c (jump_optimize): Set up to handle conditional call.
        In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
        (delete_barrier): New function.

        * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.

        * recog.c (nonmemory_operand): Accept ADDRESSOF.

        * tree.c (build_type_attribute_variant): Push to obstack of
        ttype around type_hash_canon call.

        * expr.c (placeholder_list): Move decl to file scope.
        (expand_expr): Don't force access to volatile just because its
        address is taken.
        If ignoring reference operations, just expand the operands.
        (expand_expr, case COMPONENT_REF): Propagate
        EXPAND_CONST_ADDRESS to recursive call when expanding inner.
        Refine test for using bitfield operations vs pointer punning.
        (expand_expr, case CONVERT_EXPR): If converting to
        BLKmode UNION_TYPE from BLKmode, just return inner object.
        Use proper mode in store_field call.
        Properly set sizes of object to store and total size in store_field
        call for convert to union.
        (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
        memory (like for ADDR_EXPR).  Also, don't put constant in register if
        we'll want it in memory.
        (readonly_fields_p): New function.
        (expand_expr, case INDIRECT_REF): Call it if LHS.
        (expand_assignment): Handle a RESULT_DECL where
        DECL_RTL is a PARALLEL.
        (do_jump, case WITH_RECORD_EXPR): New case.
        (get_inner_reference): Always go inside a CONVERT_EXPR
        and NOP_EXPR if both modes are the same.
        (store_field): Use bitfield operations if size of bitsize is not same
        as size of RHS's type.
        Check for bitpos not a multiple of alignment in BLKmode case.
        Do block move in largest possible alignment.
        (store_constructor): Set BITSIZE to -1 for variable size and properly
        in case of array of BLKmode.
        (expand_expr_unaligned): New function.
        (do_compare_and_jump): Call it.

        * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
        * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
        does not include 'o'.

        * function.c (instantiate_virtual_regs_1, case SET): Handle case where
        both SET_DEST and SET_SRC reference a virtual register.
        (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.

        * integrate.c (expand_inline_function): Handle case of setting
        virtual stack vars register (from built in setjmp); when parameter
        lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
        (subst_constant): Add new parm, MEMONLY.
        (expand_inline_function, integrate_parm_decls): Pass new parm.
        (integrate_decl_tree): Likewise.
        (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
        (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
        (copy_rtx_and_substitute, case SET): Add explicit calls to
        copy_rtx_and_substitute for both sides.

        * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
        constraints.
        (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
        within INDEX_TYPE, instead of before.
        (fixup_gotos): Use f->target_rtl, not the next insn,
        since latter may be from a later fixup.
        (expand_value_return): Correctly convert VAL when promoting function
        return; support RETURN_REG being a PARALLEL.
        (expand_return): When checking for result in regs and having
        cleanup, consider PARALLEL in DECL_RTL as being in regs.

1999-10-28 21:27 -0700  Zack Weinberg  <zack@bitmover.com>

        * cpplib.h (struct cpp_buffer: fname, nominal_fname,
        last_nominal_fname): Mark const.
        (struct include_hash: name, nshort, control_macro): Mark
        const.
        (struct macrodef: symnam): Mark const.
        (struct if_stack: fname): Mark const.
        (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
        (IStable): New character-syntax array which encompasses all
        the old is_foo arrays.
        (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
        is_space): New macros for interrogating IStable.
        (check_macro_name): Kill last argument.  All callers changed.

        * cppinit.c (initialize_char_syntax): Delete.
        (is_idchar, is_idstart, is_hor_space, is_space,
        trigraph_table): Delete.
        (IStable): New.  Initialize with clever macros to avoid
        information duplication.
        (builtin_array): Table of builtins to get rid of explicit list
        in initialize_builtins.
        (initialize_builtins): Use builtins_array.
        (cpp_start_read): Call init_IStable, and set IStable['$'] if
        opts->dollars_in_ident.

        * cppexp.c: Change all refs to is_xyz[] arrays to use new
        is_xyz() macros.
        (cpp_parse_expr): Avoid 'format string is not constant'
        warning. Use ISGRAPH to identify printable chars.
        * cppfiles.c: Change all refs to is_xyz[] arrays to use new
        is_xyz() macros.
        (read_and_prescan): Map trigraphs to chars with open-coded
        if-else-if-... sequence, not a lookup table.
        * cpphash.c: Change all refs to is_xyz[] arrays to use new
        is_xyz() macros.
        * cpplib.c: Change all refs to is_xyz[] arrays to use new
        is_xyz() macros.  Kill SKIP_ALL_WHITE_SPACE (unused).
        (check_macro_name): Remove ability to report an invalid
        assertion name, which is never used.
        (do_line): Constify a couple of char *'s.
        * cppmain.c (main): Call cpp_cleanup before returning.

Thu Oct 28 21:16:35 1999  Mark Mitchell  <mark@codesourcery.com>

        * ggc.h (struct ggc_statistics): New type.
        (ggc_get_size): New function.
        (ggc_print_statistics): Likewise.
        * ggc-common.c (ggc_stats): New variable.
        (ggc_mark_rtx_children): Keep statistics.
        (ggc_mark_tree_children): Likewise.
        (ggc_print_statistics): New function.
        * ggc-page.c (struct globals): Add bytes_mapped field.
        (alloc_anon): Update it.
        (release_pages): Likewise.
        (ggc_get_size): New function.
        (ggc_page_print_statistics): New function.
        * ggc-simple.c (ggc_get_size): New function.
        
Fri Oct 29 06:32:44 1999  Geoffrey Keating  <geoffk@cygnus.com>

        * flow.c (propagate_block): When the last reference to a label
        before an ADDR_VEC is deleted because the reference is a dead
        store, delete the ADDR_VEC.

Thu Oct 28 12:28:50 1999  Richard Henderson  <rth@cygnus.com>

        * resource.c (find_free_register): Don't use the frame pointer
        if frame_pointer_needed.

Thu Oct 28 10:02:00 1999  Jim Wilson  <wilson@cygnus.com>

        * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
        (function_arg_pass_by_reference): Check for a NULL pointer in cum.

        * config/i960/i960.c (i960_va_start): New locals base, num.
        Use INDIRECT_REF instead of ARRAY_REF on valist.
        (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.

Thu Oct 28 09:45:48 1999  Mark Mitchell  <mark@codesourcery.com>

        * gcse.c (delete_null_pointer_checks): Fix typo in previous change.

Thu Oct 28 03:37:50 1999  Peter Gerwinski <peter@gerwinski.de>

        * tree.def (PLACEHOLDER_EXPR): Update comments.

Thu Oct 28 06:47:32 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-common.c (check_format_info): Avoid non-literal format string
        warnings when `first_arg_num' is zero.

Thu Oct 28 12:28:48 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.

Thu Oct 28 11:05:13 1999  Richard Earnshaw <rearnsha@arm.com>

        * arm.md (casesi_insn): Add a clobber of the condition code
        register.

Mon Oct 18 21:16:06 1999  Fred Fish  <fnf@be.com>

        * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
        used by both cc1 and cc1plus.
        
Thu Oct 28 10:00:48 1999  Nick Clifton  <nickc@cygnus.com>

        * config/arm/arm.c: Initialise arm_structure_size_boundary to
        DEFAULT_STRUCTURE_SIZE_BOUNDARY.
        * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
        to the value 32 if it has not already been defined.
        * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
        Override definition in arm.h with a value of 8.

Thu Oct 28 03:12:02 1999  David Starner  <dstarner98@aasaa.ofe.org>

        * c-pragma.c (push_alignment): Don't check the return value
        of xmalloc.

Thu Oct 28 03:08:38 1999  Matteo Frigo <athena@fftw.org>

        * sparc.h (ADJUST_COST): Fix thinko.

Thu Oct 28 02:44:03 1999  Glen Nakamura  <glen.nakamura@usa.net>

        * cccp.c (rescan): Fixed obp pointer handling around call to
        check_expand subroutine.

Thu Oct 28 02:15:22 1999  Jeffrey A Law  (law@cygnus.com)

        * gcse.c (delete_null_pointer_checks): Only record non-null info
        for pseudos when examining stores.

        * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
        splitters for these patterns.  Use "#" for output templates.
        (addsi3_carryin_shift): New pattern.

Thu Oct 28 10:20:02 1999  Geoffrey Keating  <geoffk@cygnus.com>

        * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
        of the function return register into a plain REG until
        after function inlining is done.

Wed Oct 27 15:21:46 1999  Richard Henderson  <rth@cygnus.com>

        * jump.c (jump_optimize_1): If we did cross-jumping, and
        the data will matter, rebuild the CFG.
        * reg-stack.c (reg_to_stack): Only (re)build the CFG if
        not optimizing.  Don't run shorten_branches.
        * toplev.c (rest_of_compilation): Run shorten_branches after
        reg_to_stack.

Wed Oct 27 12:33:40 1999  Mark Mitchell  <mark@codesourcery.com>

        * rtl.h (note_stores): Add additional paramter.
        * rtlanal.c (reg_set_p_1): Take additional paramter.
        (reg_set_last_1): Likewise.
        (reg_set_p): Adjust call to note_stores.
        (reg_set_last): Likewise.
        (note_stores): Pass data parameter to worker function.
        * alias.c (record_set): Take additional parameter.
        (init_alias_analysis): Pass it.
        * caller-save.c (mark_set_regs): Take additional parameter.
        (save_call_clobbered_regs): Pass NULL to note_stores.
        * combine.c (set_nonzero_bits_and_sign_copies): Take additional
        parameter.
        (record_dead_and_set_regs_1): Likewise.
        (reg_dead_at_p_1): Likewise.
        (combine_instructions): Adjust calls to note_stores.
        (try_combine): Likewise.
        (record_dead_insn): Remove.
        (record_dead_and_set_regs): Adjust calls to note_stores.
        (reg_dead_at_p): Likewise.
        * cse.c (invalidate_skipped_set): Take additional parameter.
        (cse_check_loop_start): Likewise.
        (cse_check_loop_start_value): Remove.
        (cse_set_around_loop): Adjust calls to note_stores.
        * flow.c (notice_stack_pointer_modification): Take additional
        parameter.  Remove duplicate declaration.
        (record_volatile_insns): Adjust calls to note_stores.
        * gcse.c (record_set_info): Take additional parameter.
        (record_last_set_info): Likewise.
        (invalidate_nonnull_info): Likewise.
        (record_set_insn): Remove.
        (compute_sets): Adjust calls to note_stores.
        (last_set_insn): Remove.
        (compute_hash_table): Adjust calls to note_stores.
        (insert_insn_end_bb): Likewise.
        (delete_null_pointer_checks): Likewise.
        * global.c (mark_reg_store): Take additional parameter.
        (mark_reg_clobber): Likewise.
        (reg_becomes_live): Likewise.
        (global_conflicts): Adjust calls to note_stores.
        (build_insn_chain): Likewise.
        * integrate.c (note_modified_parmregs): Take additional parameter.
        (mark_stores): Likewise.  Make it static.
        (save_for_inline_nocopy): Adjust calls to note_stores.
        (try_constants): Likewise.
        * integrate.h (mark_stores): Remove declaration.
        * jump.c (mark_modified_reg): Take additional parameter.
        (thread_jumps): Adjust calls to note_stores.
        * local-alloc.c (validate_equiv_mem_from_store): Take additional
        parameter.
        (no_equiv): Likewise.
        (reg_is_set): Likewise.
        (validate_equiv_mem): Adjust calls to note_stores.
        (update_equiv_regs): Likewise.
        (block_alloc): Likewise.
        * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
        (note_addr_stored): Take additional parameter.
        (note_set_pseudo_multiple_uses): Likewise.
        (record_initial): Likewise.
        (prescan_loop): Adjust calls to note_stores.
        (strength_reduce): Likewise.
        (check_dbra_loop): Likewise.
        * regmove.c (flags_set_1): Take additional paramter.
        (mark_flags_life_zones): Adjust calls to note_stores.
        * reload1.c (mark_not_eliminable): Take additional parameter.
        (forget_old_reloads_1): Likewise.
        (reload_cse_invalidate_rtx): Likewise.
        (reload_cse_check_clobber): Likewise.
        (reload_combine_note_store): Likewise.
        (move2add_note_store): Likewise.
        (reload): Adjust calls to note_stores.
        (reload_as_needed): Likewise.
        (emit_reload_insns): Likewise.
        (reload_cse_regs_1): Likewise.
        (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
        (reload_combine): Adjust calls to note_stores.
        * resource.c (update_live_status): Take additional paramter.
        (mark_target_live_regs): Adjust calls to note_stores.
        * stupid.c (find_clobbered_regs): Take additional parameter.
        (stupid_life_analysis): Adjust calls to note_stores.
        
Wed Oct 27 19:26:12 1999  Nick Clifton  <nickc@cygnus.com>

        * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
        definition. 

        * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
        definition.

        * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
        of the variable arm_structure_size_boundary.

Wed Oct 27 02:05:58 1999  Mark P. Mitchell  <mark@codesourcery.com>

        * alias.c (init_alias_analysis): Allocate reg_known_value and
        reg_known_equiv_p on the heap.  Likewise for new_reg_base_value
        and reg_seen.
        (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
        * cse.c (cse_main): Call end_alias_analysis.
        * haifa-sched.c (schedule_insns): Likewise.
        * local-alloc. (update_equiv_regs): Likewise.
        * reload1.c (reload_cse_regs): Likewise.
        
Wed Oct 27 01:49:17 1999  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
        * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
        mapping from MASK_FPU.

Wed Oct 27 01:42:26 1999  Scott Christley  <scottc@net-community.com>

        * sparc.md (call): Don't bound structure return size to 0xfff.

Wed Oct 27 00:56:59 1999  Richard Henderson  <rth@cygnus.com>

        * resource.c (mark_target_live_regs): Check that the target
        insn wasn't created after compute_bb_for_insn.

Tue Oct 26 23:15:03 1999  Mark Mitchell  <mark@codesourcery.com>

        * ggc-page.c (poison_pages): Don't be overzealous.

Tue Oct 26 23:29:18 1999  Jeffrey A Law  (law@cygnus.com)

        * alias.c: Update comments for ADDRESS.
        (nonlocal_reference_p): Look inside the ADDRESS to determine if
        it is a local memory reference.

        * c-typeck.c (build_function_call): Check that the built-in
        function is of class BUILT_IN_NORMAL before trying to recongize
        it as BUILT_IN_ABS.
        * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
        * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.

Wed Oct 27 00:14:13 1999  Robert Lipe  <robertlipe@usa.net>

        * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
        of alloca.
        (pre_gcse): Likewise.
        (hoist_expr_reaches_here_p): Likewise.
        (hoist_code): Likewise.
        (pre_expr_reaches_here_p): Replace alloca with xcalloc.   Move core
        code to ...
        (pre_expr_reaches_here_p_work): ... here.
        (expr_reaches_here_p): Replace alloca with xcalloc.   Move core 
        code to ...
        (expr_reaches_here_p_work): ... here.

Tue Oct 26 20:42:45 1999  Richard Henderson  <rth@cygnus.com>

        * resource.c (find_basic_block): Delete.
        (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
        (init_resource_info): Call compute_bb_for_insn.

Tue Oct 26 20:21:02 1999  Richard Henderson  <rth@cygnus.com>

        * flow.c (merge_blocks_move_predecessor_nojumps): Cope
        with already adjacent blocks, but no fallthru.
        (merge_blocks_move_successor_nojumps): Simplify.
        (debug_flow_info): New.

        * toplev.c (rest_of_compilation): Open jump1 dump file before
        jump and close after, as opposed to just using dump_rtl.

Wed Oct 27 03:09:23 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * reload.h (earlyclobber_operand_p): Declare.
        * reload.c (earlyclobber_operand_p): Don't declare.  No longer static.
        * reload1.c (reload_reg_free_for_value_p):  RELOAD_OTHER reloads with
        an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
        case where the RELOAD_OTHER reload is new.  Use earlyclobber_operand_p.

Tue Oct 26 18:23:38 1999  Jan Hubicka  <hubicka@freesoft.cz>
                          Richard Henderson  <rth@cygnus.com>

        * emit-rtl.c (emit_block_insn_before): New.
        (emit_block_insn_after): New.
        * basic-block.h: Declare them.

        * bitmap.h: Protect from multiple inclusion.

        * recog.c (scratch_operand): Handle VOIDmode correctly.

        * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.

        * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
        * function.c (assign_parms): Likewise.
        * global.c (global_conflicts): Clarify STACK_REGS commentary.

        * reg-stack.c (max_uid): Remove.
        (blocks, block_begin, block_end, block_drops_in): Remove.
        (block_stack_in, block_out_reg_set, block_number): Remove.
        (struct block_info_def, BLOCK_INFO): New.
        (enum emit_where): New.
        (current_block): New.
        (BLOCK_NUM): Remove.
        (mark_regs_pat, record_label_references): Remove.
        (record_reg_life_pat, record_reg_life, find_blocks): Remove.
        (nan): New.
        (goto_block_pat, print_blocks, dump_stack_info): Remove.
        (reg_to_stack): Simplified test for existance of fp code.  Use
        flow.c code.  Call shorten_branches after cross-jump opt.
        (check_asm_stack_operands): Renamed from record_asm_reg_life.
        Return false if the asm doesn't use stack regs.  Don't do life
        analysis on the asm.
        (emit_pop_insn): Replace function pointer arg `when' with
        enum `where'.  Update all callers.
        (change_stack): Likewise.  Update basic block end.
        (emit_swap_insn): Use current_block->head to limit reverse search
        for start of block.  Use emit_block_insn_after.
        (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
        (subst_asm_stack_regs): Use check_asm_stack_operands.  Use direct
        structure assignment instead of bcopy.
        (print_stack): New.
        (convert_regs_entry, convert_regs_exit): New.
        (convert_regs_1, convert_regs_2): Split out from convert_regs.
        Work on basic blocks and the CFG.
        (convert_regs): Use them.

        * i386.c (output_fix_trunc): Remove code for DImode input operand
        not at top-of-stack.
        * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
        appropriate mode.
        (fix_truncdi_1): Allow any mode scratch.

Tue Oct 26 13:30:35 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
        * linux.h, netbsd.h, vms.h: Not here.

1999-10-26  Gavin Romig-Koch  <gavin@cygnus.com>

        * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
        ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
        (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
        CONDITIONAL_REGISTER_USEAGE): Use them. 
        * config/mips/mips.c (mips_move_1word,mips_move_2words,
        gen_conditional_branch,override_options) : Use them.
        * config/mips/mips.md : Use them.

Tue Oct 26 13:09:23 1999  Richard Henderson  <rth@cygnus.com>

        * i386.md (zero_extendqihi2): Use SImode register name with andl.

Tue Oct 26 12:35:38 1999  Richard Henderson  <rth@cygnus.com>

        * integrate.c (function_cannot_inline_p): Don't allow inlining
        if setjmp is used.

Tue Oct 26 14:10:23 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

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

        * cccp.c (special_symbol): Likewise.

        * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.

        * dwarf2out.c (base_type_die): Likewise.

        * global.c (allocno_compare): Likewise.

        * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.

        * regclass.c (fix_register): Likewise.

        * rtl.h (fix_register): Likewise.

        * stupid.c (stupid_reg_compare): Likewise.

        * toplev.c (decode_f_option): Likewise.

        * tree.c (build_complex_type): Likewise.

Tue Oct 26 18:35:25 1999  Richard Earnshaw  <rearnsha@arm.com>

        * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.

Tue Oct 26 15:42:56 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * reload.c (find_reloads): Compute mode and nregs fields of all
        reloads.
        * reload1.c (calculate_needs_all_insns): Simplify a bit.
        (calculate_needs): Use precomputed mode/nregs values.
        (allocate_reload_reg): Likewise.
        Break out two...
        (failed_reload, set_reload_reg): ... new functions.
        (choose_reload_regs_init): New function, mostly broken out from...
        (choose_reload_regs): ... here.  Lose all the save_xxx nonsense.
        Also lose one #if 0 block.

Tue Oct 26 02:48:32 1999  Marc Espie <espie@cvs.openbsd.org>

        * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET):  Fix target name 
        substitution.

Tue Oct 26 01:27:32 1999  Mark Mitchell  <mark@codesourcery.com>

        * tree.h (BLOCK_TYPE_TAGS): Remove.
        (BLOCK_END_NOTE): Likewise.
        (BLOCK_LIVE_RANGE_FLAG): Likewise.
        (BLOCK_LIVE_RANGE_START): Likewise.
        (BLOCK_LIVE_RANGE_END): Likewise.
        (tree_block): Remove live_range_flag, live_range_var_flag, and
        type_tags.  Remove end_note, live_range_start, and live_range_end.
        (remember_end_note): Remove prototype.
        * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
        * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
        remember_end_note.
        * ggc-common.c (ggc_mark_tree_children): Don't mark
        BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
        * integrate.c (adjust_copied_decl_tree): Remove.
        * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
        * stmt.c (last_block_end_note): Remove.
        (init_stmt): Don't add a GC root for it.
        (expand_fixup): Don't set it.
        (remember_end_note): Remove.
        (expand_end_bindings): Don't set last_block_end_note.

Tue Oct 26 00:41:54 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * reload1.c (reload_reg_free_for_value_p): Show
        RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
        reloads.

Mon Oct 25 23:54:45 1999  Geoff Keating  <geoffk@cygnus.com>

        * expmed.c (extract_bit_field): Allow for the case of non-integer
        objects that are smaller than a word (like SFmode on a 64-bit
        machine).

        * loop.c (basic_induction_var): A non-integer variable which is
        being set by a paradoxical subreg is probably not a biv.

1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>

        * prefix.c (translate_name) Check for empty prefix string.

Mon Oct 25 23:10:45 1999  Andreas Schwab  <schwab@suse.de>

        * Makefile.in (CPP_CROSS_NAME): New variable.
        (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
        xcpp.
        (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
        names of the files to be uninstalled.

Mon Oct 25 23:03:09 1999  Jeffrey A Law  (law@cygnus.com)

        * collect2.c (IS_DIR_SEPARATOR): Define.
        (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.

        * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
        functions too.

        * haifa-sched.c (add_dependence): Update the true dependency
        cache the first time we add a true dependence to the LOG_LINKS chain.

Mon Oct 25 22:27:40 1999  Jim Kingdon  <http://developer.redhat.com/>

        * fold-const.c (fold): Fix comment.

Mon Oct 25 22:49:34 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * dbxout.c (lastfile, cwd, dbxout_type_method_1,
        dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
        dbxout_start_new_source_file, dbxout_source_file,
        dbxout_source_line, dbxout_finish, dbxout_type_fields,
        dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
        Constify a char*.
        (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
        (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
        (dbxout_block): Initialize variable `blocknum'. 

        * dbxout.h (dbxout_init, dbxout_finish,
        dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
        dbxout_args, dbxout_source_line): Constify a char*.

        * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
        dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
        dwarf_fund_type_name, name_attribute, stmt_list_attribute,
        low_pc_attribute, high_pc_attribute, body_begin_attribute,
        body_end_attribute, comp_dir_attribute, sf_names_attribute,
        src_info_attribute, mac_info_attribute, producer_attribute,
        lookup_filename, generate_macinfo_entry, fundamental_type_code,
        dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
        dwarfout_undef): Constify a char*.
        (add_incomplete_type, retry_incomplete_types): Add prototypes.

        * dwarfout.h (dwarfout_define, dwarfout_undef,
        dwarfout_start_new_source_file, dwarfout_line): Constify a char*.

1999-10-25  Gavin Romig-Koch  <gavin@cygnus.com>

        * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
        (MULTILIB_ISA_DEFAULT): New.
        (MULTILIB_DEFAULTS): Use it.
        * config/mips/mips.c (): Remove the now unnecessary definition
        of MIPS_ISA_DEFAULT.
        * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
        unnecessary definition.

Mon Oct 25 22:08:35 1999  Richard Earnshaw (rearnsha@arm.com)

        * arm.md (pic_load_addr): Add constraints to operand 1.

1999-10-25  Bruce Korb  <autogen@linuxbox.com>

        * fixinc/genfixes:  Provide a means for specifying -D options to
        AutoGen

Mon Oct 25 00:42:35 1999  Jeffrey A Law  (law@cygnus.com)

        * arm.c (arm_override_options): Correct initialization of
        arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
        arm_is_strong, and arm_is_6_or_7.

        * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
        (note_set_pseudo_multiple_uses): New function.
        (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
        if a pseudo set in the loop exit is used elsewhere.

Sun Oct 24 20:52:40 1999  Mark Mitchell  <mark@codesourcery.com>

        * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.

Sun Oct 24 21:02:46 1999  Richard Henderson  <rth@cygnus.com>

        * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
        a single load-address pattern.

Sun Oct 24 19:33:24 1999  Mark P. Mitchell  <mark@codesourcery.com>

        * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
        depending on whether or not line-number notes are present.

Sun Oct 24 20:29:59 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * cccp.c (progname, file_buf, default_include, include_file,
        macrodef, definition, hashval, wchar_type, user_label_prefix,
        directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
        expand_to_temp_buffer, is_system_include, base_name,
        absolute_filename, read_name_map, open_include_file,
        record_control_macro, check_precompiled, check_preconditions,
        pcfinclude, pass_thru_directive, create_definition,
        check_macro_name, comp_def_part, collect_expansion,
        check_assertion, read_token_list, assertion_install,
        assertion_lookup, eval_if_expression, conditional_skip,
        validate_else, skip_quoted_string, quote_string, macarg1,
        error_from_errno, install, lookup, hashf, dump_defn_1,
        perror_with_name, pfatal_with_name, main, trigraph_pcp,
        check_white_space, rescan, handle_directive, monthnames,
        special_symbol, do_include, remap_include_file, write_output,
        arglist, do_assert, do_unassert, do_line, do_error, do_once,
        do_ident, do_sccs, do_xifdef, skip_if_group,
        output_line_directive, macroexpand, macarg, change_newlines,
        initialize_builtins, make_definition): Constify a char*.

        * pcp.h (stringdef): Likewise.

Sun Oct 24 13:29:28 1999  Richard Henderson  <rth@cygnus.com>

        * unroll.c (copy_loop_body): Examine SET_DEST of single_set
        not of pattern.

Sun Oct 24 13:14:20 1999  Graham  <grahams@rcp.co.uk>
                          Richard Henderson  <rth@cygnus.com>

        * alias.c: Include ggc.h.
        (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
        (record_set): Verify enough room in reg_base_value.
        (init_alias_analysis): Allocate reg_base_value with xcalloc.
        Register it as a GC root.
        (end_alias_analysis): Free reg_base_value.  Remove it as a GC root.
        * Makefile.in (alias.o): Depend on ggc.h.

        * unroll.c (unroll_loop): Verify the insn before a barrier
        is a JUMP_INSN before checking JUMP_LABEL.

Sun Oct 24 15:46:44 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
        * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
        * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
        * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
        * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
        * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.

Sun Oct 24 15:35:43 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * output.h (ctors_section, dtors_section, bss_section): Prototype.

        * alpha/alpha-interix.h (text_section): Delete prototype.
        * alpha/elf.h (text_section): Likewise.
        * arm/linux-elf.h (text_section): Likewise.
        * arm/linux-telf.h (text_section): Likewise.
        * c4x/c4x.h (text_section): Likewise.
        * dsp16xx/dsp16xx.h (bss_section): Likewise.
        * elfos.h (text_section): Likewise.
        * i386/aix386ng.h (text_section): Likewise.
        * i386/i386-interix.h (text_section): Likewise.
        * i386/sco5.h (text_section): Likewise.
        * i386/svr3gas.h (text_section): Likewise.
        * nextstep.h (text_section): Likewise.
        * psos.h (text_section): Likewise.
        * ptx4.h (text_section): Likewise.
        * svr3.h (text_section): Likewise.
        * svr4.h (text_section, ctors_section, dtors_section): Likewise.

Sun Oct 24 15:20:59 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * final.c (peephole): Delete prototype.

        * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
        (pre_insert_copies): Remove unused variable `bb'.

        * genrecog.c (debug_decision_0, debug_decision_list, main): Add
        prototypes.

        * output.h (peephole): Add prototype.

Sun Oct 24 11:35:30 1999  Mark P. Mitchell  <mark@codesourcery.com>

        * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
        -O0.

Sat Oct 23 21:13:00 1999  Mark Mitchell  <mark@codesourcery.com>

        * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
        for inlined declarations.

Fri Oct 22 18:05:43 1999  Jeffrey A Law  (law@cygnus.com)

        * arm.c (logical_binary_operator): New fucntion.
        * arm.h (logical_binary_operator): Declare it.
        (PREDICATE_CODES): Handle logical_binary_operator.
        * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
        output constraints.  Add appropriate splitters.
        (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
        (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
        (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.

Fri Oct 22 23:46:50 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * genoutput.c (struct operand_data): New elt eliminable.
        (output_operand_data): Write it.
        (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
        (compare_operands): Take it into account.
        * recog.h (struct insn_operand_data): New elt eliminable.
        * reload1.c (check_eliminable_occurrences, elimination_effects): New
        functions.
        (old_asm_operands_vec, new_asm_operands_vec): Delete.
        (eliminate_regs): Move code that detects changes to elimination
        target regs into new function elimination_effects.
        Delete one #if 0 block.
        Abort for USE, CLOBBER, ASM_OPERANDS and SET. 
        (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
        ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
        Only call eliminate_regs for real operands of the insn, not for parts
        of its structure or parts matched by things like match_operator.
        Use elimination_effects and check_eliminable_occurrences.  Use
        copy_insn to duplicate the pattern when not in the final pass.

Fri Oct 22 09:03:44 1999  Mark Mitchell  <mark@codesourcery.com>

        * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
        and fld.

1999-10-22  Bruce Korb  <autogen@linuxbox.com>

        * fixinc/README: document the "mach" machine matching test
        * fixinc/fixfixes.c: Implement the #else/#endif label fix
        * fixinc/fixtests.c: Implement the #else/#endif label test
        * fixinc/inclhack.def: utilize these tests and fixes
        * fixinc/inclhack.sh:  regen
        * fixinc/fixincl.x:  regen
        * fixinc/fixincl.sh:  regen

Thu Oct 21 20:37:19 1999  Jeffrey A Law  (law@cygnus.com)

        * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h.  Also
        depend on ggc.h.

Thu Oct 21 20:30:19 1999  Matthias Klose  <doko@debian.org>

        * gcc.1: Document exit codes.

Thu Oct 21 12:49:05 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * calls.c: Include tm_p.h later, so everything we need is defined.
        * expr.c: Likewise.
        * function.c: Likewise.

        * except.c: Include tm_p.h.

        * sparc.c: Likewise.
        (dwarf2out_cfi_label): Don't prototype.
        (check_return_regs, epilogue_renumber,
        ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
        ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
        ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
        ultra_schedule_insn): Add static prototype.
        (data_segment_operand, text_segment_operand): Call itself with the
        proper number of arguments.
        (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.

        * sparc.h: Move all declarations to sparc-protos.h.
        (SELECT_RTX_SECTION):  Pass a missing MODE argument to
        symbolic_operand.

        * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.

        * config/svr4.h (text_section, ctors_section, dtors_section): Add
        Prototypes.
        (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
        ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
        ASM_OUTPUT_ASCII): Constify a char*.
        
        * sparc-protos.h: New file for sparc prototypes.
        
Thu Oct 21 12:23:40 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * function.c (record_insns, contains): Always declare and define.
        (record_insns): Mark with ATTRIBUTE_UNUSED.

Thu Oct 21 13:03:49 1999  Jonathan Larmour  <jlarmour@cygnus.co.uk>

        * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
        to .section when outputting a .bss section to deal with multiple
        .bss input sections (as happens with -fdata-sections)
        Also output %progbits, not @progbits so the assembler doesn't treat as
        a comment.
        * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise

        * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
        thumb parts even when building with non-thumb CPUs, by forcing
        thumb mode.     

Wed Oct 20 22:57:58 1999  Jeffrey A Law  (law@cygnus.com)

        * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
        (movdf_const_intreg_sp64): Similarly.

        * local-alloc.c (update_equiv_regs): Check the correct insn
        for pre-existing REG_EQUIV notes.

Wed Oct 20 20:41:46 1999  Mark Mitchell  <mark@codesourcery.com>

        * cse.c (cse_end_of_basic_block): Don't return the end of a basic
        block reached by a branch if we're not going to actually process
        this block.

Wed Oct 20 15:18:42 1999  Jim Wilson  <wilson@cygnus.com>

        * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
        a local extern function declaration.

Wed Oct 20 13:56:01 1999  Richard Henderson  <rth@cygnus.com>

        * i386.c (ix86_expand_prologue): Properly wrap USE around
        reg for CALL_INSN_FUNCTION_USAGE.

Thu Oct 14 18:51:37 1999  Andrew Haley  <aph@cygnus.com>

        * config/mips/mips.md (movdf_internal1a): Allow floating-point
        move between GP_REGs.

Wed Oct 20 15:36:11 1999  Andrew Haley  <aph@cygnus.com>

        * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
        the mode size when finding out if an offset is legal.

Wed Oct 20 06:26:58 1999  Richard Henderson  <rth@cygnus.com>

        * basic-block.h (PROP_*): Move constants from ...
        * flow.c: ... here.
        (compute_bb_for_insn): Free the array before reallocating.
        (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
        (allocate_reg_life_data): Reset all reg variables collected by
        propagate_block.
        (get_block_head_tail): Don't convert from bb to block.
        (get_bb_head_tail): New.  Update all callers of get_block_head_tail.
        (find_insn_reg_weight): Take block not bb.
        (schedule_block): Don't set block num for moved insns.
        (schedule_region): Don't update_life_info or find_insn_reg_weight.
        (schedule_insns): Do it here instead.
        * combine.c (combine_instructions): Invoke compute_bb_for_insn
        before update_life_info.
        * recog.c (split_all_insns, peephole2_optimize): Update for
        new arg to update_life_info.
        * rtlanal.c (remove_note): Cope with NULL note.
        * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
        if we did sched1.

Wed Oct 20 10:46:41 1999  Richard Earnshaw (rearnsha@arm.com)

        * jump.c (jump_optimize_1): More accurately detect casesi insns.

        * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
        block records so that merge_blocks_nomove will clean up correctly.
        (split_edge): Handle casesi insns.

        * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.

Tue Oct 19 23:43:50 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.md (call, call_value): Do not emit a blockage after restoring
        the PIC register.

Tue Oct 19 17:22:39 1999  Mark Mitchell  <mark@codesourcery.com>

        * c-typeck.c (c_expand_asm_operands): Fix typo.

Tue Oct 19 18:42:58 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * arm.c (fpu_rhs_operand): Verify modes.
        (fpu_add_operand): Likewise.
        (di_operand): Likewise.
        (soft_df_operand): Likewise.

Tue Oct 19 15:26:11 1999  Richard Earnshaw  (rearnsha@arm.com)

        * arm.c (arm_return_in_memory): APCS rules state that the elements
        of a structure returned in a register must be 'integer-like'.

1999-10-19  Bruce Korb  <autogen@linuxbox.com>

        * fixinc/Makefile.in: Change the generation rules to run `genfixes'
        in the source tree when the generated targets are out of date
        * fixinc/genfixes: Alter it to run individual fixes for make.
        * fixinc/README: rewrite
        * fixinc/inclhack.def: moved initial comments to README

Tue Oct 19 14:01:34 1999  Nick Clifton  <nickc@cygnus.com>

        * toplev.c (main): Do not generate an error message if an
        unrecognised command line switch is recognisable by another
        language.  If extra_warnings are enabled, then generate a
        warning message instead.

Tue Oct 19 11:41:12 1999  Mumit Khan  <khan@xraylith.wisc.edu>

        * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
        (insert_pack_attributes): Delete prototype.

        * c-pragma.c (default_alignment): New static variable.
        (push_alignment): Initialize to current effective alignment.
        (pop_alignment): Use to set new alignment.
        (insert_pack_attributes): Delete function.
        (handle_pragma_token): Set default_alignment as well each time 
        a #pragma pack(<n>) is encountered.

Tue Oct 19 02:03:00 1999  Jeffrey A Law  (law@cygnus.com)

        * reg-stack.c (stack_result): Aggregates are not returned in
        stack registers.

Tue Oct 19 01:26:48 1999  Alasdair Baird <alasdair@wildcat.demon.co.uk>

        * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.

Mon Oct 18 15:19:41 1999  Richard Henderson  <rth@cygnus.com>

        * basic-block.h (set_block_num): Declare.
        * flow.c (update_life_info): Don't call compute_bb_for_insn
        or free_basic_block_vars.
        * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
        (insn_orig_block): Remove.
        (INSN_BLOCK): Remove.  Update all callers to use BLOCK_NUM.
        (schedule_block): Keep BLOCK_NUM up-to-date.
        (schedule_insns): Use compute_bb_for_insn.
        * recog.c (split_all_insns): Likewise.
        (peephole2_optimize): Likewise.

Mon Oct 18 18:50:51 1999  Andreas Schwab  <schwab@suse.de>

        * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
        if the pic register is used.

Mon Oct 18 02:38:46 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
        (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
        if that tests TREE_PERMANENT.

Mon Oct 18 01:41:35 1999  Jeffrey A Law  (law@cygnus.com)

        * cse.c (invalidate_for_call): Do not remove memory references from
        the table here.  It's handled elsewhere.

        * haifa-sched.c (add_dependence): Protect references to the
        true dependency cache with #ifdef INSN_SCHEDULING.
        (remove_dependence): Similarly.

        * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
        to the cfg code that this is a return instruction.
        * mn10300.md (return_internal): Similarly.

        * combine.c (get_last_value): If the last set of a register
        is after subst_low_cuid, then we can not use it to determine
        the register's last value.

Sun Oct 17 11:02:52 1999  Mark Mitchell  <mark@codesourcery.com>

        * Makefile.in: Back out previous change.
        
Sun Oct 17 15:22:50 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).

        * haifa-sched.c (add_dependence): Only check/update the cache
        if it exists.
        (remove_dependence): Likewise.
        (schedule_insns): Only create the true_dependency_cache if the
        average number of instructions in a basic block is very large.

Sun Oct 17 11:02:52 1999  Mark Mitchell  <mark@codesourcery.com>

        * Makefile.in (ggc-common.o): Depend on genrtl.h.
        (ggc-simple.o): Likewise.
        (ggc-page.o): Likewise.

Sun Oct 17 02:09:50 1999  Andrew MacLeod  <amacleod@cygnus.com>

        * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
        Prototype for exported functions.
        (pre_lcm, pre_rev_lcm): Remove prototypes.
        * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
        (compute_available): Move to lcm.c, and change parameter order.
        (one_classic_gcse_pass): Call compute_ae_kill with parameters.
        (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
        (gcse_main): No longer call compute_preds_succs.  Rebuild the
        set table after reach pre pass.
        (pre_insert_map, pre_delete_map, edge_list): New.
        (alloc_pre_mem): Allocate edge vectors.
        (free_pre_mem): Delete edge vectors.
        (compute_pre_data): Call new edge based lcm routines.
        (process_insert_insn): New function.
        (insert_insn_end_bb): Use it.
        (pre_edge_insert): New function.
        (pre_insert_copy_insn): Formatting fixes.  Update BLOCK_END as
        needed.
        (pre_insert_copies): Revamp using new edge based lcm outputs.
        (pre_delete): Likewise.
        (one_pre_gcse_pass): Insert & remove fake edges to the exit
        block.
        (compute_code_hoist_vbeinout): New new edge based routines.
        * lcm.c: Remove all the old LCM functions.  Replace with new ones
        that work with the new cfg datastructures and work with edges
        instead of blocks.

Sun Oct 17 00:44:17 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * reload.h (struct reload): Add new fields "mode" and "nregs".
        * reload1.c: Change all occurrences of reload_mode and reload_nregs
        to reference the "mode" and "nregs" field within struct reload.

Sat Oct 16 21:50:28 1999  Jeffrey A Law  (law@cygnus.com)

        * haifa-sched.c (true_dependency_cache): New.
        (add_dependence): Use the true dependency cache to avoid expensive
        walks down the LOG_LINKS dependency list.  Add entries to the
        cache as necessary.
        (remove_dependence): Remove entries from the true dependency cache
        as needed.
        (schedule_insns): Allocate and initialize and free the true
        dependency cache.

        * haifa-sched.c (schedule_insns): Do not remove inter-block
        dependencies anymore.

Sat Oct 16 11:19:52 1999  Richard Henderson  <rth@cygnus.com>

        * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
        * i386/t-winnt: Likewise.

Sat Oct 16 11:11:54 1999  Richard Henderson  <rth@cygnus.com>

        * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.

1999-10-16  Manfred Hollstein  <mhollstein@cygnus.com>

        * Makefile.in (LANGUAGES): Omit "proto".
        (clean): Remove stale comment about removing unprotoize.c.

Sat Oct 16 11:29:14 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * protoize.c (safe_read, safe_write): Avoid the gcc extension of
        using arithmetic on void pointers.

Sat Oct 16 02:48:22 1999  Jeffrey A Law  (law@cygnus.com)

        * haifa-sched.c (compute_block_forward_dependencies): Only check
        for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.

Sat Oct 16 00:07:01 1999  Richard Henderson  <rth@cygnus.com>

        * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
        (expr_equiv_p): Reject memories with different alias sets.

Fri Oct 15 15:17:29 1999  Greg McGary  <gkm@gnu.org>

        * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
        * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
        (f_options): Add "bounded-pointers" and "bounds-check" entries.
        * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
        (lang_init): Set default for flag_bounds_check if still "unspecified".

Sat Oct 16 13:42:29 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.md (HF mode patterns):  Add missing modes.

Sat Oct 16 13:37:46 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
        instructions.

Sat Oct 16 13:26:47 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.md (*db_noclobber, 
        *decrement_and_branch_until_zero_noclobber): New patterns and 
        associated splitters.

Sat Oct 16 13:13:15 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.md (parallel instruction patterns): Rework
        constraints to keep reload happy.

Sat Oct 16 13:03:16 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
        *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
        *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
        Add new patterns and associated post-reload splitters.

Sat Oct 16 12:42:12 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.

Sat Oct 16 12:34:44 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
        if appropriate.
        * config/c4x/c4x.md (rpts_top): New pattern and splitter.

Sat Oct 16 12:26:30 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.c (src_operand):  Check SYMBOL_REF and LABEL_REF
        memory mode.

Fri Oct 15 17:02:09 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.c (move_operand): Rely on memory_address_p to determine the
        validity of non-indexed memory addresses.
        * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
        operand in DFmode and SFmode when generating PA2.0 code.

Fri Oct 15 14:25:19 1999  Richard Henderson  <rth@cygnus.com>

        * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.

Fri Oct 15 13:48:45 1999  Richard Henderson  <rth@cygnus.com>

        * mips.c (function_prologue): Fix argument types.
        * mips.md (casesi): Use emit_jump_insn for casesi_internal.
        (casesi_internal): Write to the scratch register.

1999-10-15 11:16 -0700  Zack Weinberg  <zack@bitmover.com>

        * cppexp.c (cpp_parse_escape): Make static.  Change second arg
        to U_CHAR **.
        (parse_charconst): Delete unnecessary cast when calling
        cpp_parse_escape.
        (cpplib.h): Kill prototype of cpp_parse_escape.

Fri Oct 15 11:02:46 1999  Richard Henderson  <rth@cygnus.com>

        Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
        * unroll.c (unroll_loop): Cast return value of alloca.
        * i370/i370.c: Include function.h and toplev.h.
        (i370_label_scan): Remove c++ commented abort.
        * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
        (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
        * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
        * i370/xm-mvs.h, i370/xm-oe.h: Likewise.

Fri Oct 15 03:01:01 1999  Loren Rittle  <ljrittle@acm.org>

        * config/t-freebsd: Do not override USER_H.
        * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.

Fri Oct 15 02:37:28 1999  Alastair J. Houghton <ajh8@doc.ic.ac.uk>
                          Mumit Khan  <khan@xraylith.wisc.edu>

        * c-parse.in (component_decl): Support anonymous struct/union.
        (%expect): Update.
        * c-parse.y: Regenerate.
        * c-parse.c: Likewise.
        * objc/objc-parse.y: Likewise.
        * objc/objc-parse.c: Likewise.
        * c-decl.c (finish_struct): Don't sort the fields.
        (field_decl_cmp): Delete unused function.

Fri Oct 15 01:20:52 1999  Richard Henderson  <rth@cygnus.com>

        * sparc.md (movsf_const_intreg): Revert last constraint change.
        (movdf_const_intreg_sp32): Likewise.

Fri Oct 15 01:47:51 1999  Vladimir Makarov  <vmakarov@loony.cygnus.com>

        * cse.c: Include hashtab.h instead of splay-tree.h
        (struct cse_reg_info): No longer use variant union.  Add new
        field "regno".  All references changed to avoid union.
        (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
        (free_cse_reg_info): Remove.
        (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
        (get_cse_reg_info): Revamp to use expandable hash tables instead
        of splay trees.  Initialize new fields in cse_reg_info structure.
        (new_basic_block): Similarly.

Thu Oct 14 23:51:56 1999  Richard Henderson  <rth@cygnus.com>

        * genrecog.c (message_with_line): Prototype.
        (validate_pattern): Pass along the set for the dest, not a flag.
        Fix non-lvalue message.  Don't warn for VOIDmode SET_DEST of CALL.
        Check for PC/CC0 as sources.
        (nodes_identical): Check for children position match before 
        allowing the combination.

        * rtl.c (read_rtx): Track line number across \\\n.

Thu Oct 14 23:50:25 1999  Richard Henderson  <rth@cygnus.com>

        * mips.h (SPECIAL_MODE_PREDICATES): New.
        * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
        (movdi+1, movsi+1): Add output reload constraint.
        (casesi_internal): Likewise.  Fix commentary.
        (return_internal): Use pmode_register_operand.

Thu Oct 14 23:19:34 1999  Richard Henderson  <rth@cygnus.com>

        * 1750a.md (movstrqi): Add missing output reload constraint.
        (call_value): Likewise.
        * a29k.md (cpxxx patterns): Add missing match_operator mode.
        (jmpfdec): Add missing inout reload constraint.
        * elxsi.md (addsi patterns): Add missing output reload constraint.
        (move from sp): Use @ alternates.
        (call_value): No constraint on output.
        * fr30.md (movsi_pop): Add missing output reload constraint.
        (movsf_constant_store): Likewise.
        (splits): Remove constraints.
        (subsi3): Add missing mode.
        * i370.md (cmpstrsi+1): Add missing output reload constraint.
        (call_value): Likewise.
        * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
        * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
        * m32r.md (movsicc_internal): Add output reload constraint.
        (movstrsi_internal): Add inout reload constraints.
        * m88k.h (reg_names): Don't declare.
        (SPECIAL_MODE_PREDICATES): New.
        * m88k.md (*): Use register_operand not reg_or_0_operand
        on destinations.
        * mn10200.h (PREDICATE_CODES): New.
        * ns32k.md (ffs pattern): Add output reload constraint.
        * pdp11.md (sob pattern): Add inout reload constraint.
        * sh.md (splits): Remove constraints.
        (indirect_jump_scratch, fpu_switch): Add output reload constraint.
        * v850.md (pattern_is_ok_for_epilogue): Likewise.
        * vax.md (jgequ pattern): Add inout reload constraint.

Fri Oct 15 00:05:00 1999  Jeffrey A Law  (law@cygnus.com)

        * configure.in (djgpp): Revert previous patch.
        * configure: Rebuit.
        * config/i386/djgpp.h: Revert previous patch.

Fri Oct 15 00:00:24 1999  Loren J. Rittle <ljrittle@acm.org>

        * fixinc/inclhack.def: Restore patch lost during last merge of
        "no_bogosity" branch.
        * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.

Thu Oct 14 23:57:56 1999  Gavin Romig-Koch  <gavin@cygnus.com>

        * fixincludes: Add a HPUX 11 fix for inttypes.h.
        * fixinc/inclhack.def: Same.
        * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.

Thu Oct 14 22:51:55 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
        as the base of a PLUS.

Fri Oct 15 18:36:07 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.md:  Define mode for remaining unspec operators.
        * config/c4x/c4x.c (dst_operand):  Use nonimmediate_operand.
        
Thu Oct 14 22:14:23 1999  Richard Henderson  <rth@cygnus.com>

        * pa.md (post_stw+1): Use pmode_register_operand.
        (dcacheflush, icacheflush): Likewise.

        * i386.md (movstricthi_1): Allow r/r.

Thu Oct 14 19:44:08 1999  Jan Hubicka  <hubicka@freesoft.cz>

        * fold-const.c (fold): Convert (or (not arg0) (not arg1))
        to (not (and (arg0) (arg1))). Similary for and.

        * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
        falltrought to assocate code.
        Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
        bits in common.

        * combine.c (simplify_logical): Convert XOR to IOR if operands have
        no bits in common; remove XOR to ROTATE conversion.

Fri Oct 15 17:40:11 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.

Fri Oct 15 17:27:17 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.c (dst_operand): New.
        (PREDICATE_CODES): Update.
        * config/c4x/c4x.h (dst_operand): Declare it.
        * config/c4x/c4x.md:  Define mode for each unspec usage.
        (move patterns):  Use dst_operand predicate instead of src_operand.
        (movqi_update, movqf_update): Delete.

Thu Oct 14 18:48:54 1999  Richard Henderson  <rth@cygnus.com>

        * recog.c (pmode_register_operand): New.
        * recog.h: Declare it.
        * genrecog.c (pred_codes): Likewise.
        (special_mode_pred_table): Likewise.
        (validate_pattern): Don't warn no mode for address_operand.

        * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
        if the operand is not insn-like.

Thu Oct 14 19:38:42 1999  Jeffrey A Law  (law@cygnus.com)
                          Sylvian Pion <Sylvain.Pion@sophia.inria.fr>

        * fold-const.c (fold): Handle more simplifications allowed by IEEE.

Thu Oct 14 17:30:14 1999  Richard Henderson  <rth@cygnus.com>

        * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
        instead of general_operand in a SET_DEST.  Use const_double_operand
        instead of an explicit test against CONST_DOUBLE.
        (movsf_const_lo): Add missing register mode.
        (goto_handler_and_restore): Add auxiliary test for Pmode.
        (flush): Adjust to use address_operand.
        (return_sf_no_fpu): Add missing output constraint.

Thu Oct 14 17:21:26 1999  Richard Henderson  <rth@cygnus.com>

        * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
        for call return value.
        (call_value_indirect_aix64, call_value_indirect_nt): Likewise.

Thu Oct 14 13:54:25 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * toplev.c (main): Only warn about options for other languages.
        * collect2.c (main): Pass -w to sub-gcc.

Thu Oct 14 16:27:50 1999  Richard Henderson  <rth@cygnus.com>

        * flow.c (propagate_block): Add call-clobbered registers to
        significant too.

        * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
        zapping mem_set_list.
        (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
        (mark_set_1, mark_used_regs): Likewise.

Thu Oct 14 10:51:49 1999  Richard Henderson  <rth@cygnus.com>

        * m68k.md (zero_extendsidi2): Add missing output reload constraint.

Wed Oct 13 00:09:18 1999  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
        -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
        options. Also add a new item "C-only Warning Options" to the
        option summary.

1999-10-14  Gavin Romig-Koch  <gavin@cygnus.com>

        * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
        from multiple calls.

Thu Oct 14 04:54:54 1999  Richard Henderson  <rth@cygnus.com>

        * i386.md (call value patterns): Move to the end of the file.
        (prologue_set_got, prologue_get_pc): Use register_operand for op 0.

1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>

        * configure.in (djgpp configuration): Define extra_objects..
        * configure: Rebuilt.
        * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
        (DTORS_SECTION_ASM_OP): Define.
        (INIT_SECTION_ASM_OP): Define.
        (FINI_SECTION_ASM_OP): Define.
        (DATA_SECTION_ASM_OP): Define.
        (TEXT_SECTION_ASM_OP): Define.
        (EH_FRAME_SECTION_ASM_OP): Define.
        (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
        (STARTFILE_SPEC): Add crtbegin.o.
        (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
        to here from LINK_COMMAND_SPEC.
        (DO_GLOBAL_CTORS_BODY): Define.
        (CRTSTUFF_USE_FINI_SECTION): Define
        (HAS_INIT_SECTION): Delete.

Thu Oct 14 05:08:14 1999  Andreas Schwab  <schwab@suse.de>

        * Makefile.in (all.cross): Depend on xcpp$(exeext).

Thu Oct 14 04:00:40 1999  Richard Henderson  <rth@cygnus.com>

        * pa.h (PREDICATE_CODES): New.

        * genrecog.c (validate_pattern): Condense the destination
        non-lvalue message.

Thu Oct 14 03:23:08 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.md (call-1): Supply missing mode for operator.
        (*): Add missing output reload constraints.  Remove constraints
        from define_splits.

        * i386.h (SPECIAL_MODE_PREDICATES): New.
        * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
        (movqi_1, movdi_1, movdi_2, some splits): Likewise.
        (addsi_lea_3): Add missing mode for op 3.
        (prologue_set_got, prologue_get_pc): Add missing modes.
        (*) Add missing output reload constraints.

Thu Oct 14 03:59:57 1999  Stephane Carrez  <stcarrez@worldnet.fr>

        * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
        check for member bit-size overflow and use var_size if it occurs.
        (layout_record): Use bitsize_int() to define the type size in bits.
        Likewise for computation and assignment to DECL_FIELD_BITPOS.
        (layout_decl): Likewise when assigning to DECL_SIZE.

Thu Oct 14 02:57:05 1999  Richard Henderson  <rth@cygnus.com>

        * genrecog.c (validate_pattern): Typo last change.  Verify
        that output operands have output reloads.

Thu Oct 14 01:49:54 1999  Richard Henderson  <rth@cygnus.com>

        * genrecog.c (special_mode_pred_table): New.
        (NUM_SPECIAL_MODE_PREDS): New.
        (find_operand): New.
        (validate_pattern): New argument `insn'.  Warn for assignment to
        any predicate accepting non-lvalues.  Conditionaly warn for
        match_operand without a mode.  Try much harder to match source
        and destination modes on a set.
        * tm.texi (SPECIAL_MODE_PREDICATES): Document.

Thu Oct 14 02:54:13 1999  Jeffrey A Law  (law@cygnus.com)

        * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.

Thu Oct 14 02:18:19 1999  Marc Espie <espie@cvs.openbsd.org>

        * combine.c (simplify_logical): Recognize xor pattern that encodes
        rotation.

Wed Oct 13 23:23:45 1999  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
        alignment.

Wed Oct 13 21:47:18 1999  Richard Henderson  <rth@cygnus.com>

        * ggc-page.c (MAP_FAILED): Provide default.

Wed Oct 13 21:41:59 1999  Richard Henderson  <rth@cygnus.com>

        * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
        * sparc.h (PREDICATE_CODES): Update.

Wed Oct 13 21:18:17 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.c (some_ni_operand): New.
        * alpha-protos.h: Declare it.
        * alpha.h (PREDICATE_CODES): Update.
        * alpha.md (sXaddq reload insns): Use some_ni_operand 
        for SET_DEST instead of some_operand.

Wed Oct 13 21:04:45 1999  Richard Henderson  <rth@cygnus.com>
                          Jim Wilson  <wilson@cygnus.com>

        * genrecog.c (maybe_both_true_2): Don't compare modes of
        two DT_pred tests.
        (process_tree): Elide peephole2_insns.  Invoke simplify_tests
        after find_afterward.
        (debug_decision_1): Dump next and afterward codes.

Wed Oct 13 20:35:16 1999  Richard Henderson  <rth@cygnus.com>

        * rtl.c (dump_and_abort): Remove.
        (fatal_with_file_and_line): New.
        (fatal_expected_char): New.
        (read_rtx_lineno, read_rtx_filename): New.
        (read_skip_spaces): Track line number.
        (read_name): Use fatal_with_file_and_line.
        (read_rtx): Use fatal_expected_char.  Track line number.
        * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.

        * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
        if it isn't a CODE_LABEL.

        * genattr.c (main): Set read_rtx_filename.
        * genattrtab.c (main): Likewise.
        * gencodes.c (main): Likewise.
        * genconfig.c (main): Likewise.
        * genemit.c (main): Likewise.
        * genextract.c (main): Likewise.
        * genflags.c (main): Likewise.
        * genopinit.c (main): Likewise.
        * genoutput.c (main): Likewise.
        * genpeep.c (main): Likewise.

        * genrecog.c (decision_test.u.insn): Add `lineno'.
        (pattern_lineno, error_count): New variables.
        (message_with_line): New.
        (add_to_sequence): Break out checking code to ...
        (validate_pattern): ... here.  Detect SET_DEST matching CONST_INT.
        (merge_insn): Use message_with_line.
        (make_insn_sequence): Use validate_pattern.  Record insn lineno.
        (main): Set read_rtx_filename, pattern_lineno.  Exit early on error.

Wed Oct 13 22:01:35 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * expr.c (store_constructor): Clear union if constructor is empty.

Wed Oct 13 15:19:04 1999  Jim Wilson  <wilson@cygnus.com>

        * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
        Add !endian checks.  Change %{...} to %(...).

Wed Oct 13 13:30:34 1999  Richard Henderson  <rth@cygnus.com>

        * i386.md (*addsi3_cc): Renamed from addcsi3.
        (*addsi3_carry): Renamed from addxsi3.
        (*subsi3_cc): Renamed from subcsi3.
        (*subsi3_carry): Renamed from subxsi3.
        (*xorqi_cc_1): Renamed from xorcqi_1.
        (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
        * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.

Wed Oct 13 13:10:46 1999  Richard Henderson  <rth@cygnus.com>

        * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
        (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.

1999-10-13  Brendan Kehoe  <brendan@cygnus.com>

        * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
        climb up the chain of insns.

Wed Oct 13 10:20:58 1999  Richard Henderson  <rth@cygnus.com>

        * genrecog.c (write_subroutine): Careful for null trees.
        (process_tree): Don't elide empty functions.

Wed Oct 13 10:07:54 1999  Richard Henderson  <rth@cygnus.com>

        * Makefile.in (genrtl.o): Depend on ggc.h.
        * configure.in (valloc): Probe for it.
        (with-gc): Use ggc-page if valloc present.
        * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
        (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
        (ggc_alloc_string): Moved from ggc-page.c.
        * ggc-none.c (ggc_alloc_obj): New.
        (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
        * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
        (struct globals): Likewise for dev_zero_fd.
        (init_ggc): Likewise for it's initialization.
        (ggc_allocated_p): Move careful dereference from ...
        (ggc_lookup_page_table): ... here.  Delete.
        (lookup_page_table_entry): Don't use ggc_lookup_page_table.
        (alloc_anon): Use valloc if no mmap.
        (release_pages): Use free if using valloc.
        (ggc_alloc_obj): Renamed from alloc_obj.
        (ggc_set_mark): Renamed from mark_obj.
        (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
        (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
        (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
        (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete. 
        (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
        (ggc_collect): Use fp printing instead of our own rounding.
        * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
        (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
        (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
        (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
        (struct ggc_string, struct ggc_any): Delete.
        (offsetof): Provide default definition.
        (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
        (PTR_KEY): New.
        (struct ggc_mem): New, from corpse of ggc_any.
        (struct ggc_status): Delete.
        (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
        (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
        (n_strings_collected, n_anys_collected): Delete.
        (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
        (ggc_alloc_string, ggc_alloc): Delete.
        (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
        (ggc_free_string, ggc_free_any): Delete.
        (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
        (ggc_compare_addresses, ggc_mark_string): Delete.
        (ggc_mark_string_if_gcable, ggc_mark): Delete.
        (search_data): Delete.
        (struct globals): New.
        (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.   
        (tree_insert, tree_lookup): New.
        (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
        (clear_marks, sweep_objs): New.
        (ggc_collect): Gut.  Use clear_marks, sweep_objs.
        (init_ggc): Set allocated_last_gc.
        (ggc_push_context): Gut.  Use G.context.
        (ggc_pop_context): Likewise.
        (ggc_pop_context_1): New.
        (debug_ggc_tree): New.
        (debug_ggc_balance, tally_leaves): New.
        * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
        (ggc_mark_string_if_gcable): Remove decl.
        (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
        (ggc_mark_rtvec_children): New.
        (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
        (ggc_mark_if_gcable): New decl.
        (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
        (ggc_alloc_tree, ggc_alloc): Likewise.
        (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
        (ggc_alloc_obj): New decl.
        (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
        (ggc_alloc_tree, ggc_alloc): Likewise.
        (ggc_set_mark): New decl.
        * rtl.h (struct rtx_def): Remove gc_mark.
        (struct rtvec_def): Likewise.
        * tree.h (struct tree_common): Likewise.

Wed Oct 13 01:44:29 1999  Carol LePage  <carolo@hal.com>

        * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
        float_format and thread_file definitions.
        * configure: Rebuilt.

Wed Oct 13 09:25:03 1999  Niels Möller <nisse@lysator.liu.se>

        * extend.texi (Function Names): Document types of function names.

Wed Oct 13 00:45:04 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * reload1.c (reload_reg_free_for_value_p):  RELOAD_OTHER reloads with
        an earlyclobbered output conflict with RELOAD_INPUT reloads.

Tue Oct 12 23:28:28 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.

Tue Oct 12 23:19:32 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.

Tue Oct 12 17:09:38 1999  David Edelsohn  <edelsohn@gnu.org>

        * collect2.c (main): Do prelimnary link on AIX if rflag.

Tue Oct 12 09:45:19 1999  Jonathan Larmour  <jlarmour@cygnus.co.uk>

        * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
        __CTOR_LIST__ in opposite order, which is the correct order for sorted
        constructors.
        (__do_global_dtors): similarly for __DTOR_LIST__.

Fri Oct  8 19:46:03 1999  J"orn Rennecke <amylaar@cygnus.co.uk>
                                Diego Novillo <dnovillo@cygnus.com>

        * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
        FPUL_REGS.

Tue Oct 12 07:38:41 1999  Bruce Korb  <autogen@linuxbox.com>

        * fixincl/*: Merged "no_bogosity" branch
        * fixincl/fixlib.h: protect against doubly defining t_bool
        * fixincl/server.h: protect against doubly defining t_bool

Mon Oct 11 20:18:41 1999  Jim Wilson  <wilson@cygnus.com>

        * genoutput.c: Include toplev.h.

Mon Oct 11 18:56:14 1999  Jim Wilson  <wilson@cygnus.com>

        * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
        Undef.
        * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
        * configure: Regenerate.

Mon Oct 11 16:07:49 1999  Richard Henderson  <rth@cygnus.com>

        * gcse.c (delete_null_pointer_checks): Returns void.

Mon Oct 11 20:31:51 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
        * emit-rtl.c (copy_insn_1): Likewise.

Mon Oct 11 13:29:06 1999  Geoffrey Keating  <geoffk@cygnus.com>

        * config/mips/mips.c (mips_build_va_list): Correct
        TREE_CHAIN setting when hard-float.
        (mips_va_start): Use corrected setting.
        (mips_va_arg): Likewise.  Also pass a tree to build of
        POSTINCREMENT_EXPR rather than a naked 'int'.

Sun Oct 10 18:27:27 1999  Mark Mitchell  <mark@codesourcery.com>

        * ggc.h (ggc_push_context): Fix comment.
        (ggc_pop_context): Likewise.
        (mark_string_if_gcable): Likewise.
        * ggc-common.c (ggc_mark_rtx_children): Use
        ggc_mark_string_if_gcable.
        * ggc-page.c (ggc_lookup_page_table): New function.
        (ggc_allocated_p): Likewise.
        (mark_obj): Fix formatting.
        (ggc_mark_string_if_gcable): New function.
        * ggc-simple.c (ggc_allocated_strings): New variable.
        (ggc_strings_used): Likewise.
        (ggc_compare_addresses): New function.
        (ggc_pop_context): Pop the `any' memory too.
        (ggc_mark_string_if_gcable): New function.
        (ggc_collect): Initialize and tear down ggc_allocated_strings.
        
Sun Oct 10 20:05:21 1999  David Edelsohn  <edelsohn@gnu.org>

        * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
        (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
        * rs6000.c (expand_block_move): Match movstrsi_?reg register
        changes.

Sun Oct 10 16:37:01 1999  Richard Henderson  <rth@cygnus.com>

        * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
        (sched_reg_live_length, sched_reg_basic_block): Delete.
        (current_block_num, bb_live_regs, old_live_regs): Delete.
        (dead_notes, struct sometimes): Delete.
        (sched_note_set, birthing_insn_p): Delete.
        (adjust_priority): Gut useless reg lifetime code.
        (create_reg_dead_note, attach_deaths): Delete.
        (attach_deaths_insn, new_sometimes_live): Delete.
        (finish_sometimes_live): Delete.
        (find_pre_sched_live, find_post_sched_live): Delete.
        (update_reg_usage): Delete.
        (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
        (schedule_insns): Delete reg lifetime code.
        (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
        (unlink_other_notes): Adjust REG_NOTE commentary.
        (reemit_notes): Use REG_SAVE_NOTE.
        (schedule_block): Likewise.
        (schedule_region): Allocate bitmap of blocks in region.  Use
        count_or_remove_death_notes.  Use update_life_info.

        * rtl.h (REG_SAVE_NOTE): New.
        * rtl.c (reg_note_name): Update.
        
Sun Oct 10 16:14:16 1999  Richard Henderson  <rth@cygnus.com>

        * combine.c (refresh_blocks, need_refresh): New.
        (combine_instructions): Allocate refresh_blocks.  Invoke
        update_life_info if needed.
        (distribute_notes): Mark refresh_blocks instead of installing
        USE insns.
        * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
        * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.

        * Makefile.in (recog.o): Depend on basic-block.h.

Sun Oct 10 12:03:21 1999  Richard Henderson  <rth@cygnus.com>

        * genrecog.c (add_to_sequence): Thinko last change: delete
        shadowing allow_const_int variable.

Sun Oct 10 08:40:00 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
        __GNUC__ and __GNUC_MINOR__.

        * gansidecl.h: Likewise.

        * rtl.c: Likewise.
        
        * rtl.h: Likewise.

        * toplev.h: Likewise.

        * tree.c: Likewise.

        * tree.h: Likewise.

        * varray.c: Likewise.

        * varray.h: Likewise.

Sun Oct 10 13:28:48 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
        use one before a jump table.

        * rtl.def (ADDRESS): Change documentation to match reality.
        * md.texi: Don't document it.
        * gmicro.md (load address pattern): Use 'p' constraint, delete use
        of ADDRESS rtx.

        * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.

Sun Oct 10 02:41:41 1999  Richard Henderson  <rth@cygnus.com>

        * genrecog.c (add_to_sequence): Move allow_const_int test outside
        known predicate block; default allow_const_int true.
        (debug_decision_list): New.

Sun Oct 10 00:43:08 1999  Richard Henderson  <rth@cygnus.com>

        * i386.h (CC1_SPEC): Typo -- use cc1_cpu.

Sat Oct  9 23:26:55 1999  Jeffrey A Law  (law@cygnus.com)

        * gcse.c (gcse_main): Avoid global optimizations if we have a
        large number of basic blocks and the ratio of edges to blocks
        is high.
        (delete_null_pointer_checks): Likewise.

Sat Oct  9 23:16:01 1999  Ken Raeburn  <raeburn@mit.edu>

        * c-common.c (check_format_info): Warn if format string isn't a
        string literal.

Sat Oct  9 23:04:02 1999  Jonathan Larmour  <jlarmour@cygnus.co.uk>

        * configure.in (arm*-*-*): Don't let autoconf remove brackets
        * configure: regenerate

Sat Oct  9 13:15:53 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.md (extendsidi2): Turn into a splitter.  Allow f/f.
        If TARGET_FIX, allow r/f.  Remove cvtlq unspec pattern.
        (peepholes): Re-enable.

Sat Oct  9 12:18:16 1999  Richard Henderson  <rth@cygnus.com>

        * Makefile.in (flow.o): Depend on TREE_H.
        * basic-block.h (REG_SET_EQUAL_P): New.
        (XOR_REG_SET): New.
        (n_edges): Declare.
        (free_regset_vector): Remove declaration.
        (flow_delete_insn_chain): Declare.
        (enum update_life_extent): New.
        (update_life_info, count_or_remove_death_notes): Declare.
        * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
        Verify register live at bb->global_live_at_start before adding USE.
        * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
        (CLEAN_ALLOCA): New.
        (n_edges): New. 
        (PROP_*): New flags.
        (find_basic_blocks_1): Use alloc_EXPR_LIST.
        (clear_edges): Zero n_edges.
        (make_edge): Increment n_edges.
        (split_edge): Don't allocate bb->local_set.  Increment n_edges.
        (flow_delete_insn_chain): Export.
        (delete_block): Decrement n_edges.
        (merge_blocks_nomove): Likewise.
        (life_analysis): Give life_analysis_1 PROP flags.
        (verify_wide_reg_1, verify_wide_reg): New.
        (verify_local_live_at_start): New.
        (update_life_info): Rewrite to call into propogate_block.
        (mark_reg): New.
        (mark_regs_live_at_end): After reload, if epilogue as rtl, 
        always mark stack pointer.  Conditionally mark PIC register.
        After reload, mark call-saved registers, return regsiters.
        (life_analysis_1): Accept PROP flags not remove_dead_code.
        Call mark_regs_live_at_end before zeroing regs_ever_live.
        Use calculate_global_regs_live.  Copy global_live_at_end before
        calling final propagate_block.  Zero reg_next_use on exit.
        (calculate_global_regs_live): New.
        (allocate_bb_life_data): Don't allocate bb->local_set.
        (init_regset_vector, free_regset_vector): Remove.
        (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
        Test flags before every operation.  Warn if prologue/epilogue insn
        would have been deleted.
        (mark_set_regs, mark_set_1): Accept and use FLAGS. 
        Use alloc_EXPR_LIST.
        (mark_used_regs): Accept and use FLAGS, not FINAL.
        Remove special handling for RETURN.
        (try_pre_increment): Use alloc_EXPR_LIST.
        (dump_flow_info): Dump n_edges.
        (unlink_insn_chain, split_hard_reg_notes): Remove.
        (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
        (find_insn_with_note, new_insn_dead_notes): Remove.
        (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
        (maybe_remove_dead_notes, prepend_reg_notes): Remove.
        (replace_insns): Remove.
        (count_or_remove_death_notes): New.
        (verify_flow_info): Abort on error after all checks.
        (remove_edge): Decrement n_edges.
        (remove_fake_edges): Tweek format.
        * haifa-sched.c (schedule_insns): Use split_all_insns.
        * output.h (update_life_info): Remove declaration.
        * recog.c (split_all_insns): From the corpse of split_block_insns,
        do the whole function block by block.  Use update_life_info.
        (recog_last_allowed_insn): New.
        (recog_next_insn): Mind it.
        (peephole2_optimize): Set it.  Walk backwards through blocks.
        Use update_life_info.
        * rtl.h (update_flow_info, replace_insns): Remove declarations.
        (split_all_insns): Declare.
        * toplev.c (rest_of_compilation): Thread prologue before flow2.
        Use split_all_insns.

        * i386.md (or -1 peep2s): Disable.

Fri Oct  8 17:49:08 1999  Richard Henderson  <rth@cygnus.com>

        * config/mips/mips.md (movstrsi+[123]) : Combine these into
        a single pattern.  Scrap the 'd' versions as unnecessary. 

        * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
        tablejump_mips162,tablejump_internal4): The operands to a
        label_ref must be VOIDmode.

Fri Oct  8 16:12:42 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.

Fri Oct  8 11:58:34 1999  Richard Henderson  <rth@cygnus.com>

        * mips.c (mips_va_arg) [EABI]: Return addr_rtx.

Fri Oct  8 11:58:34 1999  Richard Henderson  <rth@cygnus.com>

        * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
        cache every function if ggc_p.

Fri Oct  8 18:46:11 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
        instead of copy_rtx.  Accept sequences that contain asm statements.
        * emit-rtl.c (copy_insn_1, copy_insn): New functions.
        (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
        orig_asm_operands_vector, copy_asm_operands_vector,
        orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
        variables.
        * rtl.h (copy_insn, copy_insn_1): Declare.

Fri Oct  8 13:08:12 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.

        * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
        arguments to `current_file_function_operand'.

        * genrecog.c: Include hard-reg-set.h and resource.h in the
        generated output file.

        * real.c: Include tm_p.h.

Fri Oct  8 18:46:11 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * i386.md (prologue_allocate_stack): Add '=' constraint letter on
        output operand.

Thu Oct  7 23:06:50 1999  Richard Henderson  <rth@cygnus.com>

        * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
        before the fctiwz insn.

Thu Oct  7 22:53:00 1999  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
                          Mark Mitchell  <mark@codesourcery.com>

        * tree.c (make_lang_type_fn): New funtion pointer.
        (make_lang_type): Call it.
        * tree.h (make_lang_type): Declare.
        (make_lang_type_fn): Likewise.
        * rs6000.c (rs6000_build_va_list): Use make_lang_type.

Thu Oct  7 00:36:17 1999  Diego Novillo  <dnovillo@cygnus.com>

        * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
        make sure that HIGH instructions are copied into BASE_REGS.

Thu Oct  7 17:02:34 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.

Thu Oct  7 17:01:58 1999  Greg McGary  <gkm@gnu.org>

        * c-decl.c (finish_struct): Use simpler method of
        removing elements of a singly-linked list.

Thu Oct  7 15:23:28 1999  Michael Meissner  <meissner@cygnus.com>

        * alpha.md (peephole2's): Comment out peephole2's that generate
        buggy code.

Thu Oct  7 12:00:53 1999  Richard Henderson  <rth@cygnus.com>

        * genrecog.c (add_to_sequence): Disable mode check for
        wildcard matches.

Thu Oct  7 20:14:16 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * ggc-simple.c (init_ggc): Set empty_string.

Thu Oct  7 01:13:15 1999  Richard Henderson  <rth@cygnus.com>

        * configure.in: Detect mmap.  Add --with-gc=foo to select
        garbage collector; default to page if mmap available.
        * Makefile.in (GGC): Substitute.

Wed Oct  6 23:56:30 1999  Richard Henderson  <rth@cygnus.com>

        * c-decl.c (ggc_p): Enable.

Wed Oct  6 17:17:08 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * flow.c (verify_flow_info): Make it extern & unconditionally define.

1999-10-06  Brendan Kehoe  <brendan@cygnus.com>

        * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
        string for little-endian-data.

Wed Oct  6 16:10:35 1999  Michael Meissner  <meissner@cygnus.com>

        * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
        case somebody tries to compile --enable-checking code with gcc
        1.34 or such.

Wed Oct  6 12:22:50 1999  Richard Henderson  <rth@cygnus.com>

        * genrecog.c (add_to_sequence): Verify operand to label_ref is
        VOIDmode.

Wed Oct  6 10:21:15 1999  Richard Henderson  <rth@cygnus.com>

        * genconfig.c (main): Disable HAVE_conditional_arithmetic.
        * jump.c (jump_optimize_1): Document why.

Wed Oct  6 10:41:56 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * collect2.c (scan_prog_file, scan_libraries): Prototype function
        pointers and casts for `int_handler' and `quit_handler'.

        * flow.c (verify_flow_info, split_hard_reg_notes,
        find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
        remove_edge, remove_fake_successors): Add static prototypes.
        (verify_flow_info): Wrap with macro ENABLE_CHECKING.
        (mark_set_1): Initialize variable `regno'.
        (unlink_insn_chain): Likewise for variable `curr'.
        (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.

        * loop.c (strength_reduce): Initialize variable
        `unrolled_insn_copies'.
        (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
        prototypes.  Change these functions to take const PTR parameters
        to avoid prototype conflict when used as the comparson argument
        for qsort.
        (check_dbra_loop): Initialize variable `comparison_val'.

        * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
        (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
        (find_valid_class): Initialize variable `best_class'.
        (find_reloads): Call memcpy, not bcopy.

        * reload1.c (gen_mode_int, dump_needs): Add prototypes.
        (hard_reg_use_compare): Don't needlessly cast away const.
        (reload_reg_class_lower): Likewise.
        (choose_reload_regs): Initialize variable `regno'.

Tue Oct  5 16:34:12 1999  Paul Burchard <burchard@pobox.com>

        * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.

Tue Oct  5 16:14:40 1999  Michael Meissner  <meissner@cygnus.com>

        * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
        ({,d}discard): Add forward declarations.  Declare parameter as
        unused.
        (main_without_main): Explicitly declare return type to be int.
        (memcpy): Properly declare.

        * libgcc2.c (toplevel): If inhibit_libc is defined and not
        building the trampoline support, declare malloc, free, and
        atexit.
        (__clear_cache): Mark arguments as potentially unused.
        
        * frame.c (toplevel): If inhibit_libc is defined, declare
        malloc and free.

Tue Oct  5 12:00:32 1999  Richard Henderson  <rth@cygnus.com>

        * flow.c (make_edge): Accept an optional 2D bitmap in which
        to cache edge existence.  Update all callers.
        (make_label_edge, make_eh_edge): Pass through the edge cache.
        (make_edges): Provide the cache.

Tue Oct  5 12:16:49 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
        a char*.
        (local_mbtowc): Change the type of variable `i' from int to size_t.

        * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
        (local_mbtowc, local_mblen, literal_codeset): Constify a char*.

Tue Oct  5 11:34:52 1999  Michael Meissner  <meissner@cygnus.com>

        * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
        after other includes that define the appropriate types.  Include
        tm_p.h for getting user prototypes.
        * ggc-callbacks.c (toplevel): Ditto.
        * ggc-none.c (toplevel): Ditto.
        * gcc-page.c (toplevel): Ditto.
        * ggc-simple.c (toplevel): Ditto.

Mon Oct  4 16:48:16 1999  Diego Novillo <dnovillo@cygnus.com>
                          Jonathan Larmour  <jlarmour@cygnus.co.uk>

        * config/mips/mips.c (mips_move_2words): Split doubles if
        ISA >= 3, !TARGET_64BIT, and destination is not an FP register.

Mon Oct  4 21:47:31 1999  Richard Henderson  <rth@cygnus.com>

        * genrecog.c (struct decision_test): New.
        (struct decision): Remove test-related members, sort the rest by size.
        (IS_SPLIT): Simplify.
        (new_decision, new_decision_test): New.
        (add_to_sequence): Use them.  No special handling for args of
        non-MATCH codes.
        (maybe_both_true): Renamed from not_both_true; return sense changed.
        (maybe_both_true_1, maybe_both_true_2): New.  Broken out
        of maybe_both_true and adjusted for decision_test.
        (position_merit): Remove.
        (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
        (merge_accept_insn): New, broken out of merge_trees.
        (merge_trees): Use them.  No special case for c_test; no node
        splitting; use test type instead of position_merit.
        (factor_tests): New.
        (simplify_tests): New.
        (break_out_subroutines): Don't write code now.
        (find_afterward): New.
        (write_afterward, write_switch, write_cond): New.
        (write_action, is_unconditional): New.
        (write_node): New.  Use them.
        (write_tree_1): Rewrite.  Use the new functions above.
        (write_tree): Remove afterward processing.
        (write_subroutine): Simplify function variant emission.
        (write_subroutines): New.
        (same_codes, clear_codes): Remove.
        (same_modes, clear_modes): Remove.
        (write_header): New, broken out of main.
        (make_insn_sequence): Use new_decision and new_decision_test.
        (process_tree): New, broken out of main.
        (main): Adjust for merge_trees interface change. 
        Don't #define operands in the output file.
        (record_insn_name): New, broken out of make_insn_sequence.
        (debug_decision_2, debug_decision_1, debug_decision_0): New.
        (debug_decision): New.

1999-10-04 21:58 -0700  Zack Weinberg  <zack@bitmover.com>

        * resource.c (find_free_register): Mark class_str argument const.
        * resource.h: Update prototype to match.

        * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
        * i386.md: Give all anonymous insns names.

Mon Oct  4 21:12:02 1999  Jeffrey A Law  (law@cygnus.com)

        * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
        blocks.

Mon Oct  4 21:01:39 1999  Richard Henderson  <rth@cygnus.com>

        * toplev.c (dbr_sched_time): Unconditional.
        (peephole2_time): New.
        (compile_file): Add pass numbers to all of the dump file suffixes.
        Dump peephole2_time.  Don't dump times for non-applicable passes.
        (rest_of_compilation): Add pass numbers to dump file suffixes.
        Conditionalize calls to the scheduler.
        * invoke.texi: Update.

Mon Oct  4 20:25:13 1999  Anthony Green  <green@cygnus.com>

        * flow.c (make_edges): Fix insn iteration.
        (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
        (find_basic_blocks_1): Fix spelling mistake.

Mon Oct  4 16:56:11 1999  Richard Henderson  <rth@cygnus.com>

        * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
        always have side-effects.  Use memset not bzero.
        (make_node): Likewise.

Mon Oct  4 16:22:20 1999  Mark Mitchell  <mark@codesourcery.com>

        * stmt.c (expand_anon_union_decl): When any of the elements of the
        union is addressable, so is the entire union.

Mon Oct  4 11:38:33 1999  Richard Henderson  <rth@cygnus.com>

        * sbitmap.c (sbitmap_ones): Don't set too many bits.

        * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
        * bitmap.c (bitmap_operation): Return true iff TO changed.
        (bitmap_equal_p): New.
        (bitmap_bit_p): Tidy arithmetic.
        (debug_bitmap_file): Likewise.

Mon Oct  4 11:28:37 1999  Richard Henderson  <rth@cygnus.com>

        * toplev.c (rest_of_compilation): Turn on cse_not_expected
        before cse2 instead of after.

Mon Oct 4 09:55:17 1999  Stan Cox  <scox@cygnus.com>

        * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
        register offsets. 

Mon Oct  4 08:54:12 1999  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>

        * cppinit.c (is_idchar initializer): Loosen tests to accept
        gcc 2.>6 and >2.

Mon Oct  4 02:31:20 1999  Mark Mitchell  <mark@codesourcery.com>

        * mips.md: Define conditional move patterns for floating point
        operands and DI mode conditions.

Mon Oct  4 02:12:41 1999  Mark Mitchell  <mark@codesourcery.com>

        * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
        always have side-effects.

Sun Oct  3 14:14:16 1999  Jeffrey A Law  (law@cygnus.com)

        * mn10200.c (asm_file_start): Fix typo.

        * cppinit.c (is_idchar initializer): Tighten tests for when
        to put the table into initialized memory.

        * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
        not an array of rtunion.
        * gcc-page.c (ggc_alloc_rtvec): Similarly.
        * gcc-simple (ggc_free_rtvec): Similarly.

        * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
        of rtunions.

        * mbchar.h: Add missing #endif.

        * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
        (FPBIT, DPBIT): Define.

Sun Oct  3 12:44:05 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * print-tree.c (print_node, indent_to): Remove redundant prototypes.

        * profile.c (instrument_arcs, output_gcov_string,
        tablejump_entry_p): Add static prototypes.
        (output_gcov_string): Constify a char*.
        
        * regmove.c (replacement_quality, fixup_match_2): Add static
        prototypes.

        * resource.h (reg_dead_p): Add extern prototype.

        * rtl.c (trim_filename): Add static prototype.

        * scan-decls.c (skip_to_closing_brace): Likewise.

        * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
        (expand_end_case): Initialize variable `range'.
        (emit_case_nodes): Remove unused prototype `rtx_fn'.

        * varasm.c (asm_emit_uninitialised): Add static prototype.
        (asm_emit_uninitialised, assemble_variable): Mark parameter with
        ATTRIBUTE_UNUSED.

Sun Oct  3 12:24:52 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * cpplib.c (if_directive_nameo): Add static prototype.

        * cse.c (cse_insn): Remove unused variable `p'.

        * except.c (create_rethrow_ref, push_entry,
        receive_exception_label, new_eh_region_entry, find_func_region,
        clear_function_eh_region, process_nestinfo): Add static prototypes.
        (get_reg_for_handler): Hide definition.
        (process_nestinfo): Initialize variable `extra_handlers'.

        * expr.h (expand_builtin_longjmp): Add extern prototype.

        * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.

        * function.c (prepare_function_start): Likewise.
        (pop_function_context_from): Mark parameter `context' with
        ATTRIBUTE_UNUSED.
        (push_temp_slots_for_block, flush_addressof): Hide definition.
        
        * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
        solve_program_flow_graph, calculate_branch_probs,
        function_summary, main, fancy_abort): Add prototypes.

        * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
        (add_hash): Constify a char*.

        * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
        ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
        ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.

        * integrate.c (expand_inline_function_eh_labelmap): Likewise.

        * lists.c (free_list, zap_lists): Likewise.

Sun Oct  3 12:05:28 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * alias.c (nonlocal_reference_p): Add static prototype.

        * bitmap.c (bitmap_element_allocate): Prototype args in function
        pointer cast.

        * builtins.c (stabilize_va_list): Add static prototype.
        (expand_builtin_va_arg): Constify a char*.
        
        * c-lex.c (getch, put_back, extend_token_buffer_to,
        read_line_number, token_getch, token_put_back): Add static
        prototypes.

        * c-parse.gperf (hash, is_reserved_word): Likewise.

        * cccp.c (is_dir_separator): Likewise.

Sat Oct  2 16:07:56 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * graph.h: New file to prototype functions exported by graph.c.

        * Makefile.in (graph.o, toplev.o): Depend on graph.h.

        * graph.c: Include graph.h.

        * toplev.c: Likewise.  Remove redundant prototypes.

Sat Oct  2 11:28:33 1999   Krister Walfridsson <cato@df.lth.se>

        * invoke.texi: Removed duplicated description for -Q.

Sat Oct  2 11:16:00 1999  Jim Kingdon  <http://developer.redhat.com>

        * extend.texi: Grammar fix in __extension__ text.

Sat Oct  2 11:06:31 1999  Richard Henderson  <rth@cygnus.com>

        * md.texi (define_peephole2): New section.

Sat Oct  2 10:57:56 1999  Jan Hubicka  <hubicka@freesoft.cz>

        * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
        (mov $-1 to or peepholer): Enable for pentium when optimizing for
        speed.

Sat Oct  2 10:55:25 1999  Jan Hubicka  <hubicka@freesoft.cz>

        * builtins.c (expand_builtin_strlen): Fix best mode searching loop.

Sat Oct  2 10:53:22 1999  Jan Hubicka  <hubicka@freesoft.cz>

        * i386.md (ffs expander): Emit Pentium friendly code for
        TARGET_PENTIUM.

Sat Oct  2 02:48:21 1999  Mark P. Mitchell  <mark@codesourcery.com>

        * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES 
        for non-trees.
        (build1): Likewise.
        
Fri Oct  1 18:01:11 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * i386elf.h (TARGET_DEFAULT): Use symbolic constants.

Fri Oct  1 12:42:53 1999  Andreas Schwab  <schwab@suse.de>

        * config/m68k/m68k.c (use_return_insn): Return false if the pic
        register is in use.

Fri Oct  1 10:56:06 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * md.texi (No Constraints): Delete section.
        * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
        * final.c (final_scan_insn): We always have register constraints.
        * genattrtab.c: Don't include "insn-config.h".
        (write_attr_case): We always have register constraints.
        * genconfig.c (register_constraint_flag): Delete.
        (walk_insn_part): Don't check whether we have register constraints.
        (main): Don't write out "#define REGISTER_CONSTRAINTS".
        * genoutput.c (have_constraints): Delete.
        (main): Don't set it.
        (output_operand_data): We always have constraints.
        (scan_operands): Likewise.
        (compare_operands): Likewise.
        * local-alloc.c (block_alloc): We always have constraints.
        (requires_inout): Always compile this function.
        * recog.c (extract_insn): We always have constraints.
        (constrain_operands, reg_fits_class_p): Always compile these
        functions.
        * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
        fields.
        (struct insn_operand_data): Likewise.
        * regclass.c (regclass): We always have constraints.
        (record_reg_classes, copy_cost, record_address_regs,
        auto_inc_dec_reg_p): Always compile these functions.
        * regmove.c (regmove_optimize): We always have constraints.
        * reload.c (find_reloads): Likewise.
        * reload1.c (reload): Likewise.
        (reload_cse_simplify_operands): Likewise.
        * i860.c (output_delay_insn): Likewise.

Thu Sep 30 23:04:41 1999  Mark P. Mitchell  <mark@codesourcery.com>

        * iris6.h (BUILD_VA_LIST_TYPE): Define.

Thu Sep 30 18:44:50 1999  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
        for the va_list record.

Thu Sep 30 18:34:54 1999  Jan Hubicka  <hubicka@freesoft.cz>

        * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
        prologues.

Thu Sep 30 18:31:36 1999  Jan Hubicka  <hubicka@freesoft.cz>

        * alias.c: Include insn-flags.h.
        * Makefile.in (alias.o): Update.

Thu Sep 30 18:21:30 1999  Jan Hubicka  <hubicka@freesoft.cz>

        * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
        to LTU and GEU.  Handle more cases using sbb.

Thu Sep 30 18:18:39 1999  Jan Hubicka  <hubicka@freesoft.cz>

        * i386.md (truncatexfdf splitters): Do not use subreg.
        (fop XFmode patterns): Fix mode in operand testing.

Thu Sep 30 18:04:13 1999  Richard Henderson  <rth@cygnus.com>

        * jump.c (jump_optimize_1): Amend last change to test only the
        form of the operand, not the insn.

        * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
        not register_operand to determine when B may need preloading.

Thu Sep 30 17:39:16 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
        (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
        (call-value patterns): Move to end of file.
        (*): Remove mode from label_ref in (pc) context.
        (movstrqi): Use memory not general_operand for BLKmode operands.
        (prologue_stack_probe_loop, builtin_longjmp): Add missing mode 
        to register_operand operands.
        (peep2 patterns): Convert from commented-out peephole patterns.

Thu Sep 30 14:39:17 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
        to BUILT_IN_INIT_DWARF_REG_SIZES.
        * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
        Renamed from BUILT_IN_DWARF_REG_SIZE; call
        expand_builtin_init_dwarf_reg_sizes.
        * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
        with __builtin_init_dwarf_reg_size_table.
        * dwarf2out.c (struct reg_size_range): Delete.
        (expand_builtin_init_dwarf_reg_sizes): New function.
        (expand_builtin_dwarf_reg_size): Delete.
        * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
        (expand_builtin_dwarf_reg_size): Don't declare.
        * libgcc2.c (dwarf_reg_size_table_initialized): New.
        (dwarf_reg_size_table): New.
        (init_reg_size_table): New function.
        (copy_reg): Use dwarf_reg_size_table.
        (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
        before use.

Thu Sep 30 05:40:34 1999  Richard Earnshaw <rearnsha@arm.com>

        * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR): 
        Correctly build argument list to constructor and destructor functions.

Thu Sep 30 00:13:27 1999  Dirk Zoller  <duz@rtsffm.com>

        * c-tree.h (warn_float_equal): Declare.
        * c-decl.c (warn_float_equal): Define.
        (c_decode_option): Recognize -W[no-]float-equal.
        * c-typeck.c (build_binary_op): Conditionally warn
        about equality tests of floating point types.
        * toplev.c (documented_lan_options): Add -W[no-]float-equal.
        * invoke.texi: Add docs for -Wfloat-equal warning.

Wed Sep 29 23:43:39 1999  Jeffrey A Law  (law@cygnus.com)

        * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
        generating RTL directly.
        * mips.h (INIT_TARGET_OPTABS): Likewise.
        * mn10200.h (INIT_TARGET_OPTABS): Likewise.

        * expr.h (init_mov_optab): Delete declaration

        * h8300.c (WORD_REG_USED): Update to avoid useless register
        saves in interrupt functions and functions which never return.

        * cse.c (struct set): Delete inner_dest_loc field. 
        (cse_insn): Remove assignments to inner_dest_loc field.

Wed Sep 29 16:06:20 1999  Richard Henderson  <rth@cygnus.com>

        * ggc-page.c: Don't include <unistd.h> etc taken care of
        by "system.h".  Include <sys/mman.h> afterward.

Wed Sep 29 16:05:18 1999  Richard Henderson  <rth@cygnus.com>

        * rs6000.c (rs6000_encode_section_info): If ggc_p, use
        ggc_alloc_string.

Tue Sep 28 16:45:40 1999  David Edelsohn  <edelsohn@gnu.org>

        * xcoffout.c (xcoffout_declare_function): Add documentation.
        * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
        TARGET_64BIT.  Compare constant to -1, not bit pattern.
        (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
        (expand_block_move): Allow 8 DImode loads for PowerPC64.  Fix
        gen_movsi typos.

Tue Sep 28 16:43:14 1999  Nick Clifton  <nickc@cygnus.com>

        * dwarf2out.c (add_abstract_origin_attribute): Abort if
        origin_die is NULL.
        (gen_inlined_enumeration_type_die): Do not abort if the type has
        not been writeen out.
        (gen_inlined_structure_type_die): Do not abort if the type has
        not been writeen out.
        (gen_inlined_union_type_die): Do not abort if the type has
        not been writeen out.
        (gen_tagged_type_instantiation_die): Do not abort if the type
        has not been written out.

Tue Sep 28 14:33:47 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
        call it.
        * reg-stack.c (straighten_stack): Copy hard reg set with
        COPY_HARD_REG_SET.

Tue Sep 28 01:11:05 1999  Richard Henderson  <rth@cygnus.com>

        * builtins.c (stabilize_va_list): Stabilize array type va_list
        to a pointer type, not the base record type.
        (expand_builtin_va_copy): Dereference the pointers explicitly;
        use the correct size for the copy.

        * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
        (rs6000_va_arg): Likewise.

Mon Sep 27 23:27:21 1999  Richard Henderson  <rth@cygnus.com>

        * rtl.h (struct rtx_def): Move gc_mark to align mode field.

Mon Sep 27 23:20:29 1999  Mark Mitchell  <mark@codesourcery.com>

        * tree.h (struct tree_decl): Use `bclass', not `class', in name of
        field.
        (DECL_BUILT_IN_CLASS): Adjust accordingly.

Mon Sep 27 23:03:16 1999  Richard Henderson  <rth@cygnus.com>

        * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
        (init_ggc): Use it instead of a constant.
        (ggc_collect): Bound allocated_last_gc by it.

Mon Sep 27 19:06:04 1999  Jeffrey A Law  (law@cygnus.com)

        * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
        with va_list.

Mon Sep 27 19:40:17 CEST 1999   Marc Espie <espie@cvs.openbsd.org>

        * configure.in (mips*el-*-openbsd*):  Don't duplicate default settings.
        (mips*-*-openbsd*):  Let big endian configuration be a fragment.
        * configure:  Regen.
        * config/mips/openbsd.h:  New, OpenBSD little endian target.
        * config/mips/openbsd-be.h:  New, OpenBSD big endian target fragment.
        * config/mips/xm-openbsd.h:  New, OpenBSD host.

Mon Sep 27 10:28:48 1999  Andreas Schwab  <schwab@suse.de>

        * config/m68k/m68k.c (output_function_prologue,
        output_function_epilogue): Use
        current_function_uses_pic_offset_table instead of regs_ever_live
        to decide whether to save/restore pic register.
        (legitimize_pic_address): Don't modify regs_ever_live any more.

Sun Sep 26 10:55:36 1999  Mark Mitchell  <mark@codesourcery.com>

        * function.h (struct function): Add x_dont_save_pending_sizes_p.
        * stor-layout.c (variable_size): Don't add sizes to the pending
        sizes list if x_dont_save_pending_sizes_p is set.
        
Sun Sep 26 16:36:52 1999  Robert Lipe  (robertlipe@usa.net)

        * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
        for symbolic_operand().
        * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.

Sun Sep 26 07:37:11 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * combine.c (gen_rtx_combine): Add missing call to va_end().

        * final.c (asm_fprintf): Likewise.

        * genattrtab.c (attr_rtx): Likewise.

Sat Sep 25 13:11:07 1999  Jeffrey A Law  (law@cygnus.com)

        * cse.c: Update comments.
        (cse_insn): When converting a conditional/computed jump into
        an unconditional jump, always make sure a BARRIER immediately
        follows the converted jump.  Do not delete unreachable code.
        (cse_basic_block): Do not delete unreachable code.
        * toplev.c (rest_of_compilation): Move call to 
        delete_trivially_dead_insns after the conditional call to
        jump_optimize.

Sat Sep 25 09:03:17 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * collect2.c (make_temp_file): Don't prototype.

        * gcc.c (make_temp_file): Likewise.

        * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.

Sat Sep 25 13:42:15 1999  Nick Clifton  <nickc@cygnus.com>

        * varasm.c (asm_emit_uninitialised): New function: Generate
        the assembler statements necessary to declare an uninitialised 
        variable.
        (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
        variable.
        (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
        (ASM_EMIT_COMMON): New macro: Emit an entry in the common
        section.
        (assemble_variable): Use asm_emit_uninitialised to emit an
        uninitialised variable.

Fri Sep 24 17:10:56 1999  Nick Clifton  <nickc@cygnus.com>

        * combine.c (simplify_comparison): Cope with downshifting a 32 bit
        constant on a 64 bit host.  Patch supplied by Geoffrey Keating
        <geoffk@cygnus.com>.

Fri Sep 24 10:48:10 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
        * c-common.h (builtin_function): Don't declare.

        * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
        DECL_BUILT_IN.
        (pushdecl): Likewise.
        (finish_decl): Likewise.
        (builtin_function): New arg CLASS.  Arg FUNCTION_CODE now of type
        int.  All callers changed.
        Set the builtin's DECL_BUILT_IN_CLASS.
        * tree.h (enum built_in_class): New.
        (enum built_in_function): Delete NOT_BUILT_IN.
        (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
        in a union.
        (DECL_SET_FUNCTION_CODE): Likewise.
        (DECL_BUILT_IN_CLASS): New macro.
        (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
        (struct tree_decl): Split builtin function code field into a
        struct.
        (builtin_function): Declare.

Fri Sep 24 01:45:05 1999  Mark Mitchell  <mark@codesourcery.com>

        * optabs.c (init_traps): Fix typo in last change.

Fri Sep 24 01:10:11 1999  Mark Mitchell  <mark@codesourcery.com>

        * toplev.c (rest_of_decl_compilation): Update comment.

Fri Sep 24 11:57:06 1999  Geoffrey Keating  <geoffk@cygnus.com>

        * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
        in .sbss if appropriate.
        (EXTRA_SECTION_FUNCTIONS): Add sbss.
        (SBSS_SECTION_ASM_OP): New macro.
        * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
        (EXTRA_SECTIONS): Add in_sbss.
        * config/mips/mips.h: Prototype sbss_section.

Thu Sep 23 18:18:55 1999  Mark Mitchell  <mark@codesourcery.com>

        * stmt.c (expand_start_bindings): Don't allow cleanup instructions
        to disappear.

Thu Sep 23 18:07:01 1999  Mark Mitchell  <mark@codesourcery.com>

        * optabs.c (init_traps): Register trap_rtx as a GC root.

Thu Sep 23 17:41:47 1999  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>

        * config/mips/mips.c (function_arg_pass_by_reference): Define
        unconditionally, since it's called unconditionally.

Thu Sep 23 13:40:02 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * toplev.c (documented_lang_options): Add -fshort-wchar.
        * c-decl.c (c_decode_option): Likewise.
        (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
        for wchar_t.
        * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
        * gcc.c (default_compilers): If -fshort-wchar, 
        override __WCHAR_TYPE__.
        * tm.texi (C Dialect Options): Add -fshort-wchar.

        * dwarf2out.c (output_aranges): Use DW_AT_location to find the
        symbol for a variable.

        * cpplib.h (CPP_PREPROCESSED): New macro.
        * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
        we're seeing this input for a second time.

Thu Sep 23 12:54:49 1999  Alex Samuel  <samuel@codesourcery.com>

        * emit-rtl.c (init_emit_once): Initialize modes first.

Sun Sep 19 01:23:23 1999  Alex Samuel  <samuel@codesourcery.com>

        * config/i386/i386.c (pic_label_name): Change to char pointer.
        (global_offset_table): New variable.
        (load_pic_register): Fill global_offset_table if it hasn't
        already been done.  Allocate pic_label_name dynamically.
        * ggc.h (empty_string): New variable.
        * ggc-simple.c (empty_string): Likewise.
        (init_ggc): Allocate empty_string and add as root.
        * stmt.c (digit_strings): New variable.
        (init_stmt): Add last_block_end_note as root.  Allocate and
        initialize digit_strings. 
        (expand_asm_operands): Use empty_string instead of string
        constant.  Use digit_strings instead of string constants.
        * profile.c (init_arc_profiler): Allocate string with
        ggc_alloc_string instead of xmalloc.
        (output_func_start_profiler): Likewise.
        * c-typeck.c (digest_init): Check if init is error_mark_node.

Thu Sep 23 12:59:14 1999  Alex Samuel  <samuel@codesourcery.com>
                          Richard Henderson  <rth@cygnus.com>

        * ggc-page.c: New file.
        * Makefile.in (ggc-page.o): New.

Thu Sep 23 13:55:21 1999  Jeffrey A Law  (law@cygnus.com)

        * invoke.texi: Document -fdelete-null-pointer-checks
        * toplev.c (flag_delete_null_pointer_checks): New.
        (f_options): Add entry for -fdelete-null-pointer-checks.
        (rest_of_compilation): Conditionalize null pointer check
        elimination on flag_delete_null_pointer_checks.
        (main): If -O2 or greater, enable -fdelete-null-pointer-checks

1999-09-23 10:56 -0700  Zack Weinberg  <zack@bitmover.com>

        * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
        copyright notice and special exception to GPL.

Thu Sep 23 13:40:23 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * abi64.h (mips_function_value): Add prototype arguments.

        * mips-protos.h: New file with mips prototypes.

        * mips.c: Include "tm_p.h".
        (mktemp, lookup_name): Add prototype arguments.
        (extern_list, string_constant, mips_fill_delay_slot,
        mips_output_external, mips_output_external_libcall,
        mips_output_filename, mips_declare_object, function_prologue,
        mips_expand_prologue, function_epilogue, mips16_constant,
        build_mips16_function_stub, mips_output_conditional_branch):
        Constify a char*.
        (mips_va_start): Remove unused variable `u'.
        (mips_va_arg): Cast value to unsigned when comparing against one.
        (trace): Delete.
        (save_restore_insns, mips_expand_prologue): Add missing arg in
        call to `large_int'.

        * mips.h: Move prototypes to mips-protos.h.
        (data_section, memory_address_p, rdata_section,
        readonly_data_section, simple_epilogue_p, text_section): Delete
        prototypes delcared elsewhere.
        (mips_epilogue_delay_slots, print_options): Delete unused decls.
        (trace): Delete.
        (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.

        * mips.md: Delete extra args in call to `mips_move_2words'.

        * xm-iris6.h (alloca): Add prototype argument.

        * genpeep.c: Include "tm_p.h" in generated output file.

Thu Sep 23 10:36:55 EDT 1999  Andrew MacLeod  <amacleod@cygnus.com>

        * basic-block.h (find_edge_index): Change parameters.
        * flow.c (verify_edge_list): Pass basic_block parameters to
        find_edge_index instead of integers.

Thu Sep 23 15:54:12 1999  Nick Clifton  <nickc@cygnus.com>

        * combine.c (simplify_comparison): Use an unsigned shift to adjust
        the constant.

Thu Sep 23 08:46:21 1999  Guy Harris  <guy@netapp.com>

        * gcc.1: Fix a formatting error.

Wed Sep 22 16:10:21 1999  Martin v. Löwis  <loewis@informatik.hu-berlin.de>

        * install.texi (Configurations): Remove pyramid. Add fr30, i686,
        i786, mn10200, mn10300, pdp11, v850.

Thu Sep 23 07:37:13 1999  Dan Nicolaescu  <dann@ics.uci.edu>

        * libgcc2.c (num_digits): Add prototype with 
        __attribute__((const)).
        (__terminate): Add prototype.

Thu Sep 23 05:32:06 1999  Richard Henderson  <rth@cygnus.com>

        * builtins.c, dbxout.c, varasm.c: Include tm_p.h.

        * alpha/alpha.c (print_operand): Fix type of `code'.
        (alpha_output_filename): Constify.
        * alpha/alpha.h: Move all function declarations ...
        * alpha/alpha-protos.h: ... here.  New file.
        * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
        (SECTION_FUNCTION_TEMPLATE): Likewise.

Thu Sep 23 11:15:36 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
        * expr.c (expand_expr): Likewise.
        (do_jump): Likewise.
        (do_store_flag): Pass ccp_store_flag to can_compare_p.
        * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
        accessor macros.
        (enum can_compare_purpose): New.
        (can_compare_p): Adjust prototype.
        (prepare_cmp_insn, prepare_operand): Declare.
        * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
        * optabs.c (cmp_available_p): Deleted.
        (expand_abs): Pass ccp_jump to can_compare_p.
        (can_compare_p): New arg PURPOSE.  Check for combined optabs.
        (prepare_cmp_insn): No longer static.  Add arg PURPOSE.
        Call can_compare_p rather than cmp_available_p.
        (prepare_operand): No longer static.
        (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
        (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
        (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
        sequence to use emit_cmp_and_jump_insns.
        (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.

Wed Sep 22 17:58:01 1999  Stan Cox  <scox@cygnus.com>

        * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
        register offsets; let LEGITIMIZE_ADDRESS load it into a register.
        (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
        (plus (reg) (const_int 0))
        * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
        
Wed Sep 22 17:55:31 1999  David Edelsohn  <edelsohn@gnu.org>

        * rs6000.c (expand_block_move): DImode loads and stores require
        word-aligned displacements.  Increment address registers with
        adddi3 on 64-bit platform.  Use TARGET_POWERPC64 not TARGET_64BIT.

Wed Sep 22 17:35:55 1999  Michael Meissner  <meissner@cygnus.com>

        * dwarf2out.c (base_type_die): Use the name __unknown__ if there
        is no name for the base type, rather than segfault.  If we are
        writing out a complex integer type, use DW_ATE_lo_user.

        * expr.c (emit_move_insn_1): If we are copying a complex that fits
        in one word or less (complex char, complex short, or on 64 bit
        systems complex float) to/from a hard register, copy it through
        memory instead of dying in gen_{real,imag}part.  If we have a
        short complex type, prevent inlining since it allocates stack
        memory.

        * tree.c (build_complex_type): If we are writing dwarf2 output,
        generate a name for complex integer types.

Wed Sep 22 11:34:08 EDT 1999  Andrew MacLeod  <amacleod@cygnus.com>

        * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
        * flow.c (remove_edge): Remove extra whitespace.
        (remove_fake_edges): Fix comment.
        (add_noreturn_fake_exit_edges): Use the correct name.

Wed Sep 22 16:12:40 BST 1999  Nathan Sidwell  <nathan@acm.org>

        * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
        (mostlyclean): Depend on INTL_MOSTLYCLEAN.
        (clean): Depend on INTL_CLEAN.
        (maintainer-clean): Adjust.

Wed Sep 22 10:18:56 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * configure.in (AC_PREREQ): Bump to 2.13.
        (AC_C_STRINGIZE): Call this instead of using a custom macro.

        * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.

        * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.

        * acconfig.h (HAVE_CPP_STRINGIFY): Delete.

        * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
        (HAVE_STRINGIZE): Define.

Wed Sep 22 06:25:15 1999  Jim Kingdon  <http://developer.redhat.com>

        * c-parse.in: save and restore warn_pointer_arith on __extension__
        along with pedantic.
        (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
        Set the type of extension to itype rather than $<itype>1 kludge.
        * extend.texi (Alternate Keywords): Adjust documentation.
        * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.

Wed Sep 22 06:06:57 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.c, pa.h, pa.md: Support multiple assembler dialects in
        most assembler templates.

        * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
        FP loads and stores.
        (following_call): Always return zero for the PA8000.
        * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
        FP loads and stores.
        (LEGITIMIZE_RELOAD_ADDRESS): Similarly.

        * pa.h (BRANCH_COST): Define.

        * pa.md (return, return_internal): Use bve for PA2.0.

        * pa.md (fused multiply): Add variants which reduce height for the
        fused multiply, but which still generate 2 insns.
        (fnegabs): Similarly.

        * pa.md (subsi3): Turn into an expander.  Create two anonymous
        patterns.  One for PA2.0 one for PA1.x.  Use mtsarcm for PA2.0.
        * pa.h (EXTRA_CONSTRAINT): Handle 'S'.

        * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
        for TARGET_PA_20.
        (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
        code generation.
        (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
        (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.

        * regclass.c (init_regs): Add "top_of_stack" as a garbage
        collection root.

        * flow.c (record_active_eh_regions): Terminate loop after finding
        the last insn in the last basic block.

Wed Sep 22 20:25:00 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.md: Delete parallel instruction peepholes.

Wed Sep 22 19:59:19 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.

Wed Sep 22 19:56:25 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
        splitting to not use output template.

Wed Sep 22 19:50:12 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
        * config/c4x/c4x.c (c4x_va_start): New function.

Tue Sep 21 18:40:01 1999  Jan Hubicka  <hubicka@freesoft.cz>

        * genrecog.c (not_both_true): Handle correctly cases when called for
        tests with different positions in the insn.

Tue Sep 21 18:29:11 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * machmode.h (HOST_PTR_PRINTF): Move from here ...

        * system.h (HOST_PTR_PRINTF): ... to here.

        * mips-tfile.c: Don't include machmode.h.

        * Makefile.in (MACHMODE_H): New variable.  Update to use it.
        (mips-tfile.o): Don't depend on machmode.h.

Tue Sep 21 18:27:34 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * haifa-sched.c (sched_analyze): Rename local variable `region' to
        avoid conflicts with typedef struct `region' at the top level scope.

Tue Sep 21 14:14:50 1999  Richard Henderson  <rth@cygnus.com>

        * basic-block.h (basic_block): Add eh_beg, eh_end.
        * flow.c (entry_exit_blocks): Update.
        (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
        Call new functions.
        (find_basic_blocks_1): Don't record eh_list at each bb.  Use
        lists.c functions to allocate insn lists.
        (make_edges): Use eh_beg+eh_end, not the lists.  Split out EH
        edge creation ...
        (make_eh_edge): ... here.  New.
        (move_stray_eh_region_notes): New.
        (record_active_eh_regions): New.
        (delete_unreachable_blocks): Split out block merging ...
        (try_merge_blocks): ... here.  New.
        (merge_blocks_move_predecessor_nojumps): Remove edge arg.
        Dump debugging data.
        (merge_blocks_move_successor_nojumps): Likewise.
        (merge_blocks): Use eh_beg+eh_end to validate block movement.

Tue Sep 21 11:15:03 1999  Martin v. Löwis  <loewis@informatik.hu-berlin.de>

        * extend.texi (Bound member functions): Document unbound pmf
        conversion.

Tue Sep 21 14:55:11 EDT 1999  Andrew MacLeod  <amacleod@cygnus.com>

        * flow.c (split_edge): Handle insertion on a fallthrough edge which
        has the EXIT_BLOCK as a dest.

Tue Sep 21 14:51:23 EDT 1999  Andrew MacLeod  <amacleod@cygnus.com>

        * flow.c (remove_edge): New function to remove an edge from the 
        flow graph.
        (remove_fake_successors): New function to remove fake successor edges.
        (remove_fake_edges): New function to remove all fake edges from the
        flow graph.
        (add_fake_exit_edges): New function to add fake edges from all blocks
        with no successors to the exit block.
        * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add 
        prototypes for new functions.

Tue Sep 21 14:49:53 EDT 1999  Andrew MacLeod  <amacleod@cygnus.com>

        * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
        Use Pmode to determine whether to output .dword or .word.

Tue Sep 21 11:04:34 1999  Alex Samuel  <samuel@codesourcery.com>

        * tree.c (built_in_filename): New variable.
        (BUILT_IN_FILENAME): New macro.
        (init_tree_codes): Allocate built_in_filename.
        (make_node): Use built_in_filename instead of string constant.

Tue Sep 21 14:13:27 1999  Nick Clifton  <nickc@cygnus.com>

        * configure.in: Add fr30 target.
        * configure: Regenerate.
        * config/fr30: New directory.
        * config/fr30/crti.asm: New file.
        * config/fr30/fr30.c: New file.
        * config/fr30/crtn.asm: New file.
        * config/fr30/fr30.h: New file.
        * config/fr30/fr30.md: New file.
        * config/fr30/lib1funcs.asm: New file.
        * config/fr30/t-fr30: New file.
        * config/fr30/xm-fr30.h: New file.

Tue Sep 21 06:45:31 1999  Jeffrey A Law  (law@cygnus.com)

        * flow.c (merge_blocks_move_successor_nojumps): Delete the
        BARRIER at the end of the successor, not the BARRIER before
        the successor.

        * pa.c (pa_add_gc_roots): Fix thinko in last change.

Tue Sep 21 05:29:17 1999  Richard Earnshaw (rearnsha@arm.com)

        * stmt.c (any_pending_cleanups): Don't crash when 
        current_function->stmt is unset.

Tue Sep 21 00:59:49 1999  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>

        * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
        other initializations that may use it for relative offsets.

Mon Sep 20 21:43:25 1999  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>

        * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
        (ASM_SPEC): Moved from sol2dbg.h.  Added work-around for gas.
        * config/i386/sol2dbg.h: Removed.
        * config/i386/sol2gas.h: New file, to enable gas work-around.
        * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
        Don't use sol2dbg.h.
        * configure: Rebuilt.

Mon Sep 20 13:29:41 1999  Mark Mitchell  <mark@codesourcery.com>

        * invoke.texi (-fthis-is-variable): Remove documentation.

Mon Sep 20 12:59:16 1999  Richard Henderson  <rth@cygnus.com>

        * basic-block.h (compute_bb_for_insn): Declare.
        * flow.c (compute_bb_for_insn): Export.  Don't accept the varray
        to use; set size of basic_block_for_insn directly.
        (find_basic_blocks): Update.

Mon Sep 20 15:11:54 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".

Mon Sep 20 14:56:34 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * crtstuff.c (ON_EXIT): Delete empty macro definition.
        (__do_global_ctors_aux): Call atexit(), not ON_EXIT().

Mon Sep 20 15:25:35 1999  Nick Clifton  <nickc@cygnus.com>

        * c-decl.c (c_decode_option): Extend comment.

Mon Sep 20 14:43:37 1999  Nick Clifton  <nickc@cygnus.com>

        * toplev.c (progname): Make 'const char *'
        (flag_print_mem): Move out of main.
        (version_flag): Move out of main.
        (filename): Move out of main.
        (debug_args): Remove g prefix from options.
        (documented_lang_options): Remove cpplib specific options.
        (display_help): Add g prefix to debug options.
        (check_lang_option): Delete this function.
        (decode_d_option): New function: Decode -d... option.
        (decode_f_option): New function: Decode -f... option.
        (decode_W_option): New function: Decode -W... option.
        (decode_g_option): New function: Decode -g... option.
        (independent_decode_option): New function: Decode a language
        independent command line option.
        (main): Invoke lang_decode_option and then
        independent_decode_option on each command line option in
        turn. 

Mon Sep 20 05:41:36 1999  Jeffrey A Law  (law@cygnus.com)

        Revert this change.  Gavin's patch to operand_equal_p is a better fix.
         * fold-const.c (fold_range_test): Do not try to fold the range
         test if the rhs or lhs has side effects.

        * basic-block.h (compute_flow_dominators): Declare.

        * gcse.c (alloc_code_hoist_mem): New function.
        (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
        (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
        (hoist_code, one_code_hoisting_pass): Likewise.
        (gcse_main): If optimizing for size, then hoist expressions
        computed in multiple dominated basic blocks.

        * gcse.c (invalid_nonnull_info): New function.
        (delete_null_pointer_checks): Likewise.
        * rtl.h (delete_null_pointer_checks): Declare.
        * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.

        * flow.c (merge_blocks_move_predecessor_nojumps): New function.
        (merge-blocks_move_successor_nojumps): Likewise.
        (merge_blocks): Allow merging of some blocks, even if it requires
        physical movement of the blocks, but not if it requires new jumps.

        * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
        Callers and prototype changed.
        * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.

Mon Sep 20 06:56:32 1999  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>

        * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
        -YP when both -p and -pg are present.  From i386/sol2.h.

Mon Sep 20 10:49:05 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * Makefile.in (distclean): Delete tm_p.h.
        * configure.in: Create a new file, "tm_p.h", from a list in
        "tm_p_file". For ix86 systems, set up "tm_p_file" to include
        "i386/i386-protos.h".

        * alias.c: Include "tm_p.h".
        * c-typeck.c: Likewise.
        * calls.c: Likewise.
        * cse.c: Likewise.
        * emit-rtl.c: Likewise.
        * explow.c: Likewise.
        * expmed.c: Likewise.
        * expr.c: Likewise.
        * final.c: Likewise.
        * flow.c: Likewise.
        * fold-const.c: Likewise.
        * function.c: Likewise.
        * gcse.c: Likewise.
        * global.c: Likewise.
        * haifa-sched.c: Likewise.
        * integrate.c: Likewise.
        * jump.c: Likewise.
        * local-alloc.c: Likewise.
        * loop.c: Likewise.
        * optabs.c: Likewise.
        * recog.c: Likewise.
        * reg-stack.c: Likewise.
        * regclass.c: Likewise.
        * regmove.c: Likewise.
        * reload.c: Likewise.
        * reload1.c: Likewise.
        * reorg.c: Likewise.
        * resource.c: Likewise.
        * stmt.c: Likewise.
        * stor-layout.c: Likewise.
        * toplev.c: Likewise.
        * tree.c: Likewise.
        * unroll.c: Likewise.
        * genattrtab.c (main): Make generated file include "tm_p.h".
        * genemit.c (main): Likewise.
        * genoutput.c (main): Likewise.
        * genrecog.c (main): Likewise.

        * i386.h: Delete all prototypes.
        * i386.c: Include "tm_p.h".
        (ix86_attr_length_default): Call constant_call_address_operand
        with correct number of arguments.
        * i386-protos.h: New file.
        * i386.md (unnamed patterns): Call constant_call_address_operand
        with correct number of arguments.
        (exception_receiver): Call load_pic_register with correct number
        of arguments.

Sun Sep 19 14:18:39 1999  Richard Henderson  <rth@cygnus.com>

        * c-pragma.c (mark_align_stack): Dereference the void* properly.

Sun Sep 19 09:03:40 1999  Mark Mitchell  <mark@codesourcery.com>

        * rtl.h (insns_safe_to_move_p): New function.
        * loop.c (find_and_verify_loops): Use it.
        * rtlanal.c (insns_safe_to_move_p): Define it.

Sun Sep 19 02:54:33 1999  Richard Henderson  <rth@cygnus.com>

        * c-pragma.c: Include ggc.h.
        * Makefile.in (c-pragma.o): Update.

Sat Sep 18 16:01:18 1999  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>

        * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
        (LIB_SPEC): Likewise.
        (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
        Reindent -YP/-p/-pg.
        Copied from config/sparc/sol2.h.

Sat Sep 18 11:52:43 1999  Richard Henderson  <rth@cygnus.com>

        * c-pragma.c (mark_align_stack): New.
        (init_pragma): New.
        * c-pragma.h (init_pragma): Declare it.
        * c-lex.c (init_parse): Call it.

Sat Sep 18 15:20:38 1999  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>

        * configure.in: Pick up thread library on Solaris/x86 just
        like on Solaris/sparc.
        * configure: Rebuilt.

Sat Sep 18 11:15:58 1999  Alex Samuel  <samuel@codesourcery.com>

        * rtl.h (global_rtx_index): New enum.
        (global_rtl): Change to array of rtx.
        (pc_rtx, cc0_rtx): Redefine accordingly.
        (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
        (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
        (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
        (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
        (const_int_rtx): Change to array of rtx.
        (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
        accordingly. 
        * emit-rtl.c (global_rtl): Change to array of rtx.
        (const_int_rtx): Change to aray of rtx.
        (gen_rtx_CONST_INT): Redefine accordingly.
        (init_emit_once): Allocate and initialize global_rtl.  Likewise
        for const_int_rtx.  Add both as GC roots.
        * genattrtab.c (global_rtl): Update declaration.

1999-09-17  Ulrich Drepper  <drepper@cygnus.com>

        * Makefile (USER_H): Add iso646.h back.

Sat Sep 18 01:07:21 1999  Jeffrey A Law  (law@cygnus.com)

        * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
        zapping the LOG_LINKS of sched_before_next_call.

        * pa.h (INSN_SETS_ARE_DELAYED): Delete.
        * pa.c (insn_refs_are_delayed): Renamed from
        insn_sets_and_refs_are_delayed.

Fri Sep 17 15:19:01 1999  Mark Mitchell  <mark@codesourcery.com>

        * functiion.h (struct function): Add x_whole_function_mode_p.
        (retrofit_block): Declare.
        * function.c (retrofit_block): New function.
        (identify_blocks): Add assertions.  Allow an incomplete set of
        block notes if we're still generating code for the function.
        * integrate.c: Include loop.h.
        (expand_inline_function): Call find_loop_tree_blocks to map block
        notes to blocks when in whole-function mode.  Use retrofit_block
        to insert new BLOCKs for the inlined function, rather than
        insert_block.
        * stmt.c (expand_fixup): Likewise.  Don't use pushlevel/polevel.
        * Makefile.in (integrate.o): Depend on loop.h.

Fri Sep 17 15:11:20 1999  Mark Mitchell  <mark@codesourcery.com>

        * tree.h (warn_about_unused_variables): Declare.
        * stmt.c (warn_about_unused_variables): New function, split out
        from ...
        (expand_end_bindings): Here.

Fri Sep 17 15:07:37 1999  Mark Mitchell  <mark@codesourcery.com>

        * stmt.c (preserve_subexpressions_p): Don't crash when
        current_function->stmt is unset.

Fri Sep 17 15:03:16 1999  Mark Mitchell  <mark@codesourcery.com>

        * stmt.c (expand_start_bindings): Allow callers to pass a flag
        indicating that no NOTE_INSN_BLOCK_BEG note is required.
        (expand_start_target_temps): Use it.
        * except.c (expand_eh_region_start_for_decl): Likewise.
        * expr.c (expand_expr): Likewise.

Fri Sep 17 15:05:27 1999  Gavin Romig-Koch  <gavin@cygnus.com>

        * fold-const.c (operand_equal_p): Pay attention to side effects.

Fri Sep 17 11:14:17 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
        * sparc/sunos4.h (HAVE_ON_EXIT): Remove.

        * tlink.c (scan_linker_output): Look for keywords before accepting
        a mangled name in quotes.

Thu Sep 16 16:47:08 1999  Richard Henderson  <rth@cygnus.com>

        * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
        * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.

Thu Sep 16 16:35:41 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.md: Revert Thu Nov 26 change that came in through the
        last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
        Avoid earlyclobber when possible.

Thu Sep 16 18:44:48 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * libgcc2.c (__do_global_ctors): Call atexit with one arg.

        * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
        Define HAVE_ON_EXIT.

Thu Sep 16 18:06:35 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros.  Use
        CTYPE_CONV in all ctype macros.

        * cccp.c (initialize_char_syntax): Use uppercase ctype macro
        from system.h.

        * cexp.y (initialize_random_junk): Likewise.

        * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.

        * i370.c (handle_pragma): Likewise.

        * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.

        * v850.c (override_options): Likewise.

        * doprint.c (_doprnt): Likewise.

        * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
        Likewise.

        * fixinc/server.c (load_data): Likewise.

        * fold-const.c (real_hex_to_f): Likewise.

        * genattr.c (write_upcase, gen_attr): Likewise.

        * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
        write_upcase): Likewise.

        * genemit.c (print_code): Likewise.

        * genopinit.c (gen_insn): Likewise.

        * genpeep.c (print_code): Likewise.

        * genrecog.c (print_code): Likewise.

        * optabs.c (init_libfuncs): Likewise.

Thu Sep 16 14:03:32 1999  Mark Mitchell  <mark@codesourcery.com>

        * haifa-sched.c (sched_analyze): Keep the list of notes organized
        in pairs.
        (reemit_notes): Likewise.

Thu Sep 16 11:50:52 1999  Alex Samuel  <samuel@codesourcery.com>

        * ggc.h (ggc_root): Move to ggc-common.c.
        (roots): Remove.
        (ggc_mark_rtx, ggc_mark_tree): Change to macro.
        (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
        (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
        (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
        * ggc-common.c (ggc_root): Move from ggc.h.
        (roots): Declare, static.
        (ggc_mark_rtx, ggc_mark_tree): Renamed to...
        (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
        null or check/set mark bit.
        (ggc_mark_roots): New.
        * ggc-simple.c (ggc_collect): Call ggc_mark_roots.

Thu Sep 16 11:37:32 1999  Richard Henderson  <rth@cygnus.com>

        * m32r.c: Include toplev.h.
        (*): Add ATTRIBUTE_UNUSED as needed to arguments.
        (gen_compare): Rename swap_p to must_swap to match uses.
        Add default abort case.
        (m32r_output_function_epilogue): Remove unused variables.
        (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
        * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
        define to empty parameter list.  Update all uses.
        (predicate decls): Use enum machine_mode not int.
        * m32r.md (movsi): Call abort, not fatal_insn.
        (zero_branch_insn, rev_zero_branch_insn): Add default abort case.

1999-09-14  Andrew Haley  <aph@cygnus.com>

        * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
        use $0 instead of 0.

Thu Sep 16 10:53:36 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
        computation out of loop over hard regs.

Wed Sep 15 21:37:06 1999  Mark Mitchell  <mark@codesourcery.com>

        * function.c (identify_blocks): Don't shadow a variable in an 
        outer scope.
        * integrate.c (integrate_decl_tree): Don't use pushlevel,
        pushdecl, or poplevel to build up the new BLOCK tree.
        (expand_inline_function): Likewise.
        (integrate_parm_decls): Likewise.

Wed Sep 15 21:20:38 1999  Mark Mitchell  <mark@codesourcery.com>

        * c-typeck.c (qualify_type): Merge qualifiers from both types.

1999-09-15  Brad Lucier  <lucier@math.purdue.edu>

        * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
        * invoke.texi: Document this change.

Wed Sep 15 17:56:00 1999  Richard Henderson  <rth@cygnus.com>

        * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
        Free the struct.
        (mark_emit_status): Renamed from mark_emit_state.
        * except.c (mark_eh_status): Renamed from mark_eh_state.
        Check not null before marking.
        (free_eh_status): New.
        * expr.c (mark_expr_status, free_expr_status): New.
        * function.c (free_machine_status): New.
        (free_after_parsing): New.
        (free_after_compilation): Move bits to free_after_parsing; call
        free_eh_status, free_expr_status; zero the marked members of the
        function state.
        (prepare_function_start): No can_garbage_collect. 
        Call init_eh_for_function.
        (expand_dummy_function_end): Free up current_function state.
        (mark_function_status): Renamed from mark_function_state.
        (mark_function_chain): No can_garbage_collect.  Call mark_expr_status.
        * function.h (struct function): No can_garbage_collect.
        (free_machine_status, free_after_parsing): Declare.
        (free_eh_status, free_expr_status): Declare.
        * ggc.h (mark_expr_status): Declare.
        * stmt.c (free_stmt_status): Free the struct.
        (mark_stmt_status): Renamed from mark_stmt_state.
        (init_stmt): Don't call init_eh.
        (init_stmt_for_function): Don't call init_eh_for_function.
        * toplev.c (compile_file): Call init_eh.
        (rest_of_compilation): Free basic block info before ggc_collect.
        Call free_after_parsing; conditionally call free_after_compilation.
        * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
        Check not null before marking.
        (free_varasm_status): Don't check DECL_DEFER_OUTPUT.  Free the struct.

Wed Sep 15 17:53:16 1999  Richard Henderson  <rth@cygnus.com>

        * c-lex.c (yylex): Initialize warn.

Wed Sep 15 18:35:38 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.c (emit_move_sequence): Properly set the mode of the scratch
        register when performing secondary reloads for the SAR register.

Wed Sep 15 15:51:52 1999  Mark Mitchell  <mark@codesourcery.com>

        * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
        (NOTE_BLOCK): New macro.
        (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
        * function.h (identify_blocks): Change prototype.
        * function.c (identify_blocks): Simplify.
        (reorder_blocks): Likewise.
        * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a 
        NOTE_INSN_BLOCK_{BEG,END}.
        * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
        the list of saved notes if the note isn't a
        NOTE_INSN_BLOCK_{BEG,END}.
        (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
        NOTE_BLOCK_NUMBER.
        (reemit_notes): Adjust recreation of notes to reflect new saved
        note structure.
        * print-rtl.c (print_rtx): Print the address of the BLOCK when
        printing a block note.
        * stmt.c (block_vector): Remove.
        (find_loop_tree_blocks): Simplify.
        (unroll_block_trees): Likewise.
        * tree.h (reorder_block): Change prototype.
        
Wed Sep 15 14:39:35 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * gbl-ctors.h: Lose HAVE_ATEXIT.  Don't define ON_EXIT.
        * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
        (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
        (__do_global_dtors): Likewise.  Don't mess with _exit_dummy_decl.
        (atexit, exit): Simplify.
        * tm.texi: Document NEED_ATEXIT and ON_EXIT.  Remove HAVE_ATEXIT.
        * config/lots: Remove defns of HAVE_ATEXIT.

Wed Sep 15 10:25:12 1999  Mark Mitchell  <mark@codesourcery.com>

        * calls.c (precompute_arguments): Fix typo in comment.
        * expr.c (preexpand_calls): Don't preexpand the cleanup in a
        TARGET_EXPR.

Wed Sep 15 09:59:59 1999  Mark Mitchell  <mark@codesourcery.com>

        * dsp16xx.c (override_options): Fix typos in GC root registration.

Wed Sep 15 15:23:28 1999  Philip Blundell  <pb@nexus.co.uk>

        * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
        from config/svr4.h.
        (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
        (FUNCTION_PROFILER): Redefine appropriately for Linux.
        (CC1_SPEC): Likewise.

Wed Sep 15 10:09:48 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * genattr.c (main): Add extern prototype.  Call return, not exit.
        * genattrtab.c (main): Likewise.
        * gencheck.c (main): Likewise.
        * gencodes.c (main): Likewise.
        * genconfig.c (main): Likewise.
        * genemit.c (main): Likewise.
        * genextract.c (main): Likewise.
        * genflags.c (main): Likewise.
        * gengenrtl.c (main): Likewise.
        * genopinit.c (main): Likewise.
        * genoutput.c (main): Likewise.
        * genpeep.c (main): Likewise.
        * genrecog.c (main): Likewise.
        
        * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
        * genattrtab.c (get_insn_name): Likewise.
        * gencodes.c (get_insn_name): Likewise.
        * genconfig.c (get_insn_name): Likewise.
        * genemit.c (get_insn_name): Likewise.
        * genextract.c (get_insn_name): Likewise.
        * genflags.c (get_insn_name): Likewise.
        * genopinit.c (get_insn_name): Likewise.
        * genpeep.c (get_insn_name): Likewise.
        
        * gencheck.c (usage): Add static prototype.
        * genextract.c (print_path): Constify a char*.
        * genopinit.c (optabs): Likewise.
        * genoutput.c (operand_data, data, output_predicate_decls,
        compare_operands): Likewise.
        * genrecog.c (write_tree): Add default case in switch.

Wed Sep 15 09:59:16 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.

        * print-rtl.c (get_insn_name): Remove prototype.

        * toplev.h (progname): Declare const.

        * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
        init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
        dump_sched_info, dump_local_alloc, regset_release_memory,
        print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
        error_with_file_and_line, error_with_decl, error_for_asm, error,
        fatal, warning_with_file_and_line, warning_with_decl, warning,
        pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
        Remove redundant prototypes.

        (notice, check_lang_option, report_file_and_line, vnotice,
        mark_file_stack): Add static prototype.
        (set_fatal_function): Add prototype.
        (vnotice, report_file_and_line, set_fatal_function,
        check_lang_option): Constify a char*.
        (main): Prototype.  Call return, not exit.

Wed Sep 15 09:50:18 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.

        * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.

        * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.

        * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.

Wed Sep 15 11:04:43 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * function.c (assign_parms): Delete arg SECOND_TIME.  Don't test it,
        behave as if it's zero in all cases.
        (expand_function_start): Adjust call to assign_parms.
        * tree.h (assign_parms): Adjust prototype.
        * objc/objc-act.c (hack_method_prototype): Adjust call to
        assign_parms.

Tue Sep 14 21:47:06 1999  Jeffrey A Law  (law@cygnus.com)

        * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
        arg_pointer_rtx fixed if the argument pointer register is
        not fixed.
        (NONZERO_BASE_PLUS_P): Likewise.

Tue Sep 14 20:26:02 1999  Richard Henderson  <rth@cygnus.com>

        * rtl.def (match_insn, match_insn2): Remove match_insn; rename
        match_insn2 to match_insn.
        * genrecog.c (add_to_sequence): Rename MATCH_INSN2.

Tue Sep 14 20:10:29 1999  Richard Henderson  <rth@cygnus.com>

        * Makefile.in (USER_H): Remove va-foo.h.

        * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
        va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
        va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
        va-spur.h,va-v850.h}: Remove.

Tue Sep 14 19:43:16 1999  Richard Henderson  <rth@cygnus.com>

        * sparc/sparc.md (eligible_for_return_delay): New attribute.
        (in_return_delay): Use it instead of match_insn.

Tue Sep 14 23:05:37 1999  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>

        * config/alpha/va_list.h (va-alpha.h): Do not include.
        (__gnuc_va_list): Typedef as in varargs.h.

Tue Sep 14 18:14:03 1999  Richard Henderson  <rth@cygnus.com>

        * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
        DECL_LIVE_RANGE_RTL.

Tue Sep 14 16:47:08 1999  Mark Mitchell  <mark@codesourcery.com>

        * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
        not NOTE_BLOCK_NUMBER.
        (expand_eh_region_end): Likewise.
        (find_exception_handler_labels): Likewise.
        (scan_region): Likewise.
        (exception_optimize): Likewise.
        (update_rethrow_references): Likewise.
        (set_insn_eh_region): Likewise.
        * final.c (final_scan_insn): Likewise.
        * flow.c (make_edges): Likewise.
        * integrate.c (expand_inline_function): Likewise.
        * print-rtl.c (print_rtx): Likewise.

Tue Sep 14 16:30:16 1999  Richard Henderson  <rth@cygnus.com>

        * ginclude/stdarg.h, ginclude/varargs.h: Implement in
        terms of builtin functions and types.

        * mips.c (mips_build_va_list): New.
        (mips_va_start, mips_va_arg): New.
        * mips.h (BUILD_VA_LIST_TYPE): New.
        (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.

        * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
        (sh_build_va_list, sh_va_start, sh_va_arg): New.
        * sh.h (BUILD_VA_LIST_TYPE): New.
        (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.

Tue Sep 14 16:20:24 1999  Richard Henderson  <rth@cygnus.com>

        * recog.h (struct recog_data): Make dup_num, operand_address_p,
        n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
        (struct insn_data): Likewise with n_operands, n_dups, 
        n_alternatives, output_format.
        * regclass.c (scan_one_insn): Cast n_operands to int before
        arithmetic inside comparison.

Tue Sep 14 15:13:36 1999  Richard Henderson  <rth@cygnus.com>

        * toplev.c (compile_function): Unconditionally emit nop.

Tue Sep 14 14:41:47 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * haifa-sched.c (actual_hazard): Move declaration of variable
        `this_cost' into the scope where it is used.

Tue Sep 14 14:14:28 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-pragma.c (handle_pragma_token): Wrap variables `name' and
        `value' in HANDLE_PRAGMA_WEAK.  Wrap variable `align' in
        HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.

        * genrecog.c (make_insn_sequence): Call memset, not bzero.

        * jump.c (find_insert_position): Don't declare or define unless
        !HAVE_conditional_arithmetic.
        (returnjump_p_1, delete_prior_computation): Add static prototypes.

        * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
        
        * recog.c (offsettable_address_p): Prototype function pointer.
        (preprocess_constraints): Call memset, not bzero.
        
        * tree.c (tree_node_kind_names): Constify a char*.  Make static.
        (gcc_obstack_init): Don't declare.
        (fix_sizetype): Add static prototype.
        (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
        (tree_cons): Call memset, not bzero.

        * varasm.c (remove_from_pending_weak_list): Wrap declaration and
        definition in macro ASM_WEAKEN_LABEL.
        (mark_const_hash_entry): Add static prototype.

Tue Sep 14 12:22:50 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-lex.c (handle_generic_pragma): Remove unused variable `c'.

        * unroll.c (find_common_reg_term, subtract_reg_term,
        loop_find_equiv_value): Add static prototypes.
        (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
        (copy_loop_body): Remove unreachable break statement.
        
        * sparc.c (sparc_va_arg): Remove unused variable `tmp'.

        * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
        
Tue Sep 14 15:28:00 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        Undo some changes from the gcc2 merge:
        * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
        * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
        pointers.

        Undo this change:
        Sat Oct  3 07:20:28 1998  Stephen L Moshier  <moshier@world.std.com>
        * emit-rtl.c (gen_lowpart_common): Disable optimization of
        initialized float-int union if the value is a NaN.

Tue Sep 14 04:03:44 1999  Mumit Khan  <khan@xraylith.wisc.edu>

        * gthr-win32.h: New file.

        * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
        shared as a valid attribute.
        * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
        * extend.texi: Document `shared' variable attribute.

Tue Sep 14 04:01:46 1999  Loren Rittle  <ljrittle@acm.org>

        * configure.in: Handle --enable-threads on FreeBSD.
        * configure: Rebuit.

Tue Sep 14 03:58:44 1999  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

        * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add 
        thread support.
        * configure: Rebuilt.

Tue Sep 14 03:47:23 1999  Joel Sherrill <joel@OARcorp.com>
                          Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
                          Rosimildo DaSilva <rdasilva@connecttel.com>

        * configure.in (m68k-*-rtemscoff*): Added.
        * configure.in (mips64orion-*-rtems*): Converted to ELF.
        * configure.in (sparc-*-rtemsaout*): Added as alias for old
        sparc-rtems configuration.
        * configure.in (sparc-*-rtemself*): Added.
        * configure.in (sparc-*-rtems*): Now ELF not a.out.
        * config/i386/rtems.h: Added comment.
        * config/sparc/rtemself.h: New file.

        * configure.in (m68k-rtemself): Added.
        * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
        and DWARF_DEBUGGING_INFO.
        * config/m68k/crti.s: New file.
        * config/m68k/crtn.s: New file.
        * config/m68k/t-crtstuff: New file.
        * config/m68k/rtemself.h: New file.

        * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
        global ctor/dtor and C++ exception handling.
        * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
        for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
        ENDFILE_SPEC.
        * config/i386/t-rtems-i386: New File.

Tue Sep 14 09:47:41 1999  Andreas Schwab  <schwab@suse.de>

        * stmt.c (expand_end_case): Return right away if the case stack is
        empty.

Tue Sep 14 01:47:19 1999  Jeffrey A Law  (law@cygnus.com)

        * Makefile.in (version.c): Remove rule incorrectly brought in from
        the gcc2 merge.

Tue Sep 14 01:42:27 1999  Marc Espie <espie@cvs.openbsd.org>

        * Makefile.in:  Prepend $(SHELL) to move-if-change calls.
        * msdos/top.sed:  Take into account a prepended $(SHELL) to
        move-if-change.
        * winnt/config-nt.sed:  Likewise.  Kill bogus substitution.

        * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.

Tue Sep 14 01:38:52 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * regmove.c (fixup_match_1): Don't change an unchanging register.
        (stable_but_for_p): Renamed to:
        (stable_and_no_regs_but_for_p).  Reject unchanging registers too.
        Changed all callers.

Tue Sep 14 01:33:15 1999  Andreas Schwab  <schwab@suse.de>

        * loop.c (strength_reduce): Don't call reg_used_between_p if the
        insn from BL2 is after the insn from BL.

Mon Sep 13 21:06:01 1999  Richard Henderson  <rth@cygnus.com>

        * recog.h (INSN_OUTPUT_FORMAT_*): New.
        (struct insn_data): Merge `template' and `outfun' into `output'.
        Add `output_format'.
        * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
        (struct data): Remove `outfun'; add `output_format'.
        (name_for_index): Remove declaration.
        (output_insn_data): Handle output formats.
        (process_template): Emit the bare array for @.
        (gen_expand, gen_split): Set output_format to NONE.
        * output.h (get_insn_template): Declare.
        * final.c (get_insn_template): New.
        (final_scan_insn): Use it.
        * toplev.c (compile_file): Likewise.

        * c4x/c4x.c (c4x_process_after_reload): Likewise.
        * i860/i860.c (output_delayed_branch): Likewise.
        (output_delay_insn): Likewise.

1999-09-13  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>

        * rtl.c (obstack_alloc_rtx): Removed.

1999-09-13 17:03 -0700  Zack Weinberg  <zack@bitmover.com>

        * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.

Mon Sep 13 15:21:46 1999  Richard Henderson  <rth@cygnus.com>

        * i386.c (call_insn_operand): Reject const_int.
        (expander_call_insn_operand): Use call_insn_operand.

Mon Sep 13 17:44:28 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * gcc.c (getrusage): Wrap prototype arguments in PROTO().

1999-09-13 12:18 -0700  Zack Weinberg  <zack@bitmover.com>

        * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
        Use DImode operation.

1999-09-13 12:13 -0700  Zack Weinberg  <zack@bitmover.com>

        * gcc.c: Include sys/resource.h.
        (report_times): New flag.
        (execute):  If report_times is set, calculate and report the
        CPU time consumed by each subprocess.

        (rus, prus): New globals.
        (option_map): Add --time.
        (display_help): Document -time.
        (process_command): Set report_times if -time is given.
        Turn off -pipe if -time is given.

        * invoke.texi: Document new option -time.

        * configure.in: Check for getrusage.  Check if we have to
        prototype getrusage.
        * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
        * configure: Regenerate.
        * config.in: Regenerate.

Mon Sep 13 12:57:06 1999  Dave Brolley  <brolley@cygnus.com>

        * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
        fields.

Mon Sep 13 10:01:33 1999  Nick Clifton  <nickc@cygnus.com>

        * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
        appropriate) if FINE_GRAINED_LIBRARIES is not defined.
        (nan): Return _thenan_sf or _thenan_df as appropriate.
        (L_thenan_sf): Define _thenan_sf.
        (L_thenan_df): Define _thenan_df.

        * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
        (DPBIT_FUNCS): Add _thenan_df.

Mon Sep 13 09:38:53 1999  Andreas Schwab  <schwab@suse.de>

        * tree.c (fix_sizetype):  Exchange the types for TYPE_SIZE and
        TYPE_SIZE_UNIT.

Sun Sep 12 23:28:20 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.

        * gcc.h: New file.
        (lang_specific_driver): Don't take a function pointer parameter.
        All callers changed.

        * gcc.c: Include gcc.h.
        (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
        lang_specific_extra_outfiles, fatal): Don't declare.
        (multilib_defaults_raw): Constify.
        (read_specs): Call memset, rather than bzero.
        (main): Call return, not exit.
        (lookup_compiler): Call memcpy, not bcopy.
        (fatal): Make extern.

        * cppspec.c: Include gcc.h.
        (lang_specific_driver): Initialize variable `quote'.  Constify a
        char*.  All calls to the function pointer parameter now
        explicitly call `fatal'.

        * gccspec.c (lang_specific_driver): Include gcc.h.

Sun Sep 12 19:52:10 1999  Richard Earnshaw <rearnsha@arm.com>

        * arm.c (note_invalid_constants): Use recog_data.operand_type
        for recog_op_type.

Sun Sep 12 15:53:20 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
        Declare.

        * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
        reload_reg_class, reload_inmode, reload_outmode, reload_optional,
        reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
        reload_secondary_in_reload, reload_secondary_out_reload,
        reload_secondary_in_icode, reload_secondary_out_icode,
        reload_reg_rtx, reload_when_needed): Delete declarations.
        (struct reload): New structure.
        (rld): Declare new array.
        * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
        reload_reg_class, reload_inmode, reload_outmode, reload_optional,
        reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
        reload_secondary_in_reload, reload_secondary_out_reload,
        reload_secondary_in_icode, reload_secondary_out_icode,
        reload_reg_rtx, reload_when_needed): Delete definitions.
        (rld): New array.
        (whole file): Replace uses of the deleted arrays with uses of rld.
        * reload1.c (whole file): Replace uses of the deleted arrays with
        uses of rld.
        (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
        explicit loops, not with bcopy.

Sun Sep 12 05:00:24 1999  Richard Henderson  <rth@cygnus.com>

        * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
        insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
        insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
        insn_name): Delete and consolidate into new structures.
        (insn_operand_predicate_fn): New.
        (insn_output_fn): New.
        (insn_gen_fn): New.
        (struct insn_operand_data): New.
        (struct insn_data): New.
        (insn_data): New.
        (OUT_FCN): Update for insn_data change.
        * builtins.c (expand_builtin_strlen): Likewise.
        (expand_builtin_memcmp): Likewise.
        * combine.c (make_extraction, simplify_comparison): Likewise.
        * cse.c (canon_reg, cse_insn): Likewise.
        * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
        * expmed.c (store_bit_field, extract_bit_field): Likewise.
        (emit_store_flag): Likewise.
        * expr.c (convert_move, emit_block_move): Likewise.
        (clear_storage, emit_push_insn, expand_increment): Likewise.
        (do_store_flag): Likewise.
        * expr.h (GEN_FCN): Likewise.
        (insn_gen_function): Die.
        * final.c (final_scan_insn): Update for insn_data change.
        (output_asm_name): Likewise.
        * function.c (fixup_var_refs_1): Likewise.
        * loop.c (check_dbra_loop): Likewise.
        * optabs.c (expand_binop, expand_twoval_binop): Likewise.
        (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
        (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
        (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
        * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
        * regmove.c (gen_add3_insn): Likewise.
        * reload.c (push_secondary_reload, combine_reloads): Likewise.
        (find_reloads, find_reloads_address_1): Likewise.
        (debug_reload_to_stream): Likewise.
        * reload1.c (emit_reload_insns, gen_reload): Likewise.
        * stmt.c (expand_end_case): Likewise.
        * toplev.c (compile_file): Likewise.

        * c4x/c4x.c (c4x_process_after_reload): Likewise.
        * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.

        * print-rtl.c (insn_name_ptr): Remove declaration.
        (get_insn_name): Declare.
        (print_rtx): Use it.
        * genoutput.c (insn_name_ptr): Remove.
        (next_operand_number): New.
        (struct operand_data): New.
        (null_operand, odata, odata_end): New.
        (struct data): Use struct operand_data.
        (idata, idata_end): Renamed from insn_data and end_of_insn_data.
        (get_insn_name): Renamed from name_for_index.
        (output_prologue): Define NO_MD_PROTOTYPES.
        (output_predicate_decls): Break out from output_epilogue.
        Iterate over the operands list.
        (output_operand_data): Break out from output_epilogue.  Emit
        just the operands list.
        (output_insn_data): Break out from output_epilogue.  Emit just
        the insn data.
        (output_epilogue): Remove.
        (output_get_insn_name): New.
        (constraints, op_n_alternatives, predicates, address_p): Die.
        (modes, strict_low, seen): Die.
        (scan_operands): Take new param `d' instead of writing to 
        seven global variables.
        (compare_operands): New.
        (place_operands): New.
        (validate_insn_alternatives): Update for struct data change.
        (gen_insn): Don't zero or copy 7 global arrays.  Update for
        scan_operands; call place_operands.
        (gen_peephole, gen_expand, gen_split): Likewise.
        (main): Update for new output routines.

        * genattr.c (insn_name_ptr): Remove.
        (get_insn_name): New function.
        * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
        * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
        * genrecog.c: Likewise.

        * alpha.md (adddi3): Make `pattern' array static.

Sun Sep 12 22:05:21 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.h (c4x_rpts_cycles_string,
        c4x_cpu_version_string): Constify char *.
        * config/c4x/c4x.c (c4x_rpts_cycles_string,
        c4x_cpu_version_string): Likewise.

Sat Sep 11 23:28:33 1999  Richard Henderson  <rth@cygnus.com>

        * tree.c (save_tree_status): Revert 10 Sep change.
        (restore_tree_status): Likewise.  Call obstack_free with NULL 
        before freeing the obstack proper.

Sat Sep 11 23:23:46 1999  Richard Henderson  <rth@cygnus.com>

        * cse.c (cse_main): If gc'ing, collect around cse_basic_block.

        * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
        surrounding context.

Sat Sep 11 19:52:43 1999  Mark Mitchell  <mark@codesourcery.com>

        * tree.c (type_hash_canon): Put all types in the hash-table, when
        GC'ing.

Sat Sep 11 18:37:04 1999  Richard Henderson  <rth@cygnus.com>

        * recog.h (struct recog_data, recog_data): New.
        (recog_foo variables): Kill.
        * recog.c (recog_operand, recog_operand_loc): Kill.
        (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
        (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
        (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
        (recog_data): Define.
        (extract_insn): Update all recog_foo references to use recog_data.
        (preprocess_constraints, constrain_operands): Likewise.
        * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
        * genattrtab.c (main): Likewise.
        * genextract.c (main): Likewise.
        * genoutput.c: Likewise.
        * genrecog.c (write_subroutine, main): Likewise.
        * local-alloc.c (block_alloc): Likewise.
        * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
        * regclass.c (scan_one_insn, record_reg_classes): Likewise.
        * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
        * reload.c (find_reloads, find_reloads_toplev): Likewise.
        * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
        (reload_cse_simplify_operands): Likewise.

        * arc/arc.c (arc_final_prescan_insn): Likewise.
        * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
        * h8300/h8300.c (notice_update_cc): Likewise.
        * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
        * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
        * mn10200/mn10200.c (notice_update_cc): Likewise.
        * mn10300/mn10300.c (notice_update_cc): Likewise.
        * romp/romp.c (update_cc): Likewise.
        * sparc/sparc.c (check_pic): Likewise.
        * v850/v850.c (notice_update_cc): Likewise.

        * genemit.c (main): Don't declare recog_operand.

Sat Sep 11 12:41:55 1999  Alex Samuel  <samuel@codesourcery.com>

        * ggc.h (rtvec_def): Forward declare.
        (tree_node): Likewise.
        (ggc_root): Define.
        (roots): Declare.
        (ggc_set_mark_rtx): Add prototype.
        (ggc_set_mark_rtvec): Likewise.
        (ggc_set_mark_tree): Likewise.
        * ggc-simple.c (ggc_root): Don't define.
        (roots): Don't declare.
        (ggc_mark_rtx): Remove.
        (ggc_mark_rtvec): Likewise.
        (ggc_mark_tree): Likewise.
        (ggc_mark_varray): Likewise.
        (ggc_mark_tree_hash_table_entry): Likewise.
        (ggc_mark_tree_hash_table): Likewise.
        (ggc_set_mart_rtx): New function.
        (ggc_set_mark_rtvec): Likewise.
        (ggc_set_mark_tree): Likewise.
        (ggc_add_root): Remove.
        (ggc_add_rtx_root): Likewise.
        (ggc_remove_tree_root): Likewise.
        (ggc_add_string_root): Likewise.
        (ggc_add_tree_varray_root): Likewise.
        (ggc_add_tree_hash_table_root): Likewise.
        (ggc_del_root): Likewise.
        (ggc_mark_rtx_ptr): Likewise.
        (ggc_mark_tree_ptr): Likewise.
        (ggc_mark_string_ptr): Likewise.
        (ggc_mark_tree_varray_ptr): Likewise.
        (ggc_mark_tree_hash_table_ptr): Likewise.
        * ggc-common.c: New file.
        * Makefile.in (OBJS): Add ggc-common.o.
        (ggc-common.o): List dependencies.

1999-09-10 22:37 -0700  Zack Weinberg  <zack@bitmover.com>

        * cppalloc.c (xstrdup): Use memcpy.
        * cpperror.c (cpp_print_containing_files): Don't use
        cpp_notice.
        * cpplib.c (conditional_skip): Set temp->lineno.
        (do_endif): Make error message less obscure.
        (if_directive_name): New function.
        (cpp_get_token [case EOF]): Unwind the if stack and generate
        error messages for each unterminated conditional in this file.
        (parse_string):  Do not behave differently if -traditional.

Fri Sep 10 14:04:07 1999  Richard Henderson  <rth@cygnus.com>

        * builtins.c (expand_builtin_va_arg): Cope with an array-type
        va_list decomposing to pointer-type.
        * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
        (rs6000_va_arg): Likewise.

Fri Sep 10 13:21:21 1999  Jim Wilson  <wilson@cygnus.com>

        * except.c (start_dynamic_handler): Compute size using
        STACK_SAVEAREA_MODE.

Fri Sep 10 16:01:23 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * protoize.c: Remove various __STDC__ and POSIX hacks.  Don't
        include directory headers.  Don't define strrchr.  Don't provide
        my_* replacement functions.  Prefer PTR over `pointer_type'.
        Don't prototype system functions.  Don't redefine getopt.

        (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
        safe_read, safe_write, save_pointers, restore_pointers,
        is_id_char, in_system_include_dir, directory_specified_p,
        file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
        find_corresponding_lparen, referenced_file_is_newer,
        save_def_or_dec, munge_compile_params, gen_aux_info_file,
        process_aux_info_file, identify_lineno, check_source,
        seek_to_line, forward_to_next_token_char, output_bytes,
        output_string, output_up_to, other_variable_style_function,
        find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
        do_processing, is_syscalls_file, rename_c_file, find_extern_def,
        find_static_definition, connect_defs_and_decs, add_local_decl,
        add_global_decls, needs_to_be_converted, visit_each_hash_node,
        add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
        edit_fn_declaration, edit_formals_lists, edit_fn_definition,
        scan_for_missed_items, edit_file, string_list_cons): Add static
        prototypes.
        (standard_exec_prefix, target_machine, target_version,
        default_syscalls_dir, string_list, string_list_cons, find_file,
        do_cleaning): Constify a char*.
        (safe_read, safe_write): Use PTR, not a char*.
        (is_id_char): Take an int, not a char.
        (main): Add prototype.  Call return, not exit.

Fri Sep 10 16:48:26 1999  Andrew Haley  <aph@cygnus.com>

        * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
        when comparing types.

Fri Sep 10 08:43:32 1999  Richard Henderson  <rth@cygnus.com>

        * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
        (strength_reduce): Release the varrays from the no-bivs early exit.

        * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
        the loop over the registers.

        * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
        for a new obstack.
        (restore_tree_status): Check that instead when freeing the obstack.

Wed Sep  8 16:12:04 1999  Andrew Haley  <aph@cygnus.com>

        * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
        as pointers.

Fri Sep 10 11:58:55 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall.  Fix some
        operand size modifiers.

Fri Sep 10 10:32:32 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * c-common.c (c_common_nodes_and_builtins): Don't build
        va_list_type_node.
        * c-common.h (enum c_tree_index and related accesor macros): Remove
        everything now declared in tree.h.
        * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
        LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
        DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
        (error_mark_node, void_type_node, char_type_node, integer_type_node,
        unsigned_type_node, ptr_type_node, va_list_type_node,
        integer_zero_node, null_pointer_node, integer_one_node): Delete.
        (init_decl_processing): Call build_common_tree_nodes and
        build_common_tree_nodes_2 instead of building their nodes here.
        Don't add roots for these nodes.
        * stor-layout.c (size_zero_node, size_one_node): Delete.
        (set_sizetype): Make a new node for bitsizetype each time.
        * tree.c (global_trees): New variable.
        (init_obstacks): Add a gc root for it.
        (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
        LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
        DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
        (build_common_tree_nodes): New function.
        (fix_sizetype): New function.
        (build_common_tree_nodes_2): New function.
        * tree.h (enum tree_index): New.
        (global_trees): Declare.
        Add accessor macros for all nodes now moved to global_trees.
        Delete their declarations.

Thu Sep  9 20:15:46 1999  Richard Henderson  <rth@cygnus.com>

        * c-decl.c (finish_function): When processing a nested function,
        push and pop GC context around rest_of_compilation.

Thu Sep  9 16:42:06 1999  Richard Henderson  <rth@cygnus.com>

        * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
        Default ix86_arch to PROCESSOR_I386.
        * i386.h (CC1_CPU_SPEC): Don't add -march=foo.  Remove -mno-foo.
        (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
        (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
        (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
        __tune_foo__ if no -mcpu.  Make -mcpu=bar define __tune_bar__.
        (EXTRA_SPECS): Remove deleted specs.

Thu Sep  9 16:03:06 1999  Richard Henderson  <rth@cygnus.com>

        * function.c (assign_stack_local_1): Allocate from
        function->x_frame_offset, not frame_offset.

Thu Sep  9 14:36:31 1999  Mark Mitchell  <mark@codesourcery.com>

        * ggc.h (lang_cleanup_tree): Remove.
        * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
        * ggc-callbacks.c (lang_cleanup_tree): Remove.

        * c-decl.c (finish_struct): Use ggc_alloc to allocate
        TYPE_LANG_SPECIFIC when garbage collecting.
        (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
        (lang_cleanup_tree): Remove.

Thu Sep  9 14:23:02 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
        * crtstuff.c: Not here.
        * dwarf2out.c: Or here.
        * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
        info.

Thu Sep  9 09:40:58 1999  Mark Mitchell  <mark@codesourcery.com>

        * function.h (free_after_compilation): Remove decl parameter.
        (free_varasm_status0: Likewise.
        (free_emit_status): Likewise.
        (free_stmt_status): Likewise.
        (free_after_compilation): Likewise.
        (init_lang_status): New variable.
        (free_lang_status): Likewise.
        * emit-rtl.c (free_emit_status): Make decl parameter implicit.
        * function.c (init_lang_status): New variable.
        (free_lang_status): Likewise.
        (push_function_context_to): Don't set function::decl here.
        (free_after_copmilation): Make decl parameter implicit.  Call
        free_lang_status if defined.
        (prepare_function_start): Call init_lang_status if defined.
        (init_function_start): Set function::decl here.
        * profile.c (output_func_start_profiler): Don't call pushdecl
        until we've actually started the function.
        * stmt.c (free_stmt_status): Make decl parameter implicit.
        * toplev.c (rest_of_compilation): Don't pass decl to
        free_after_compilation.
        * varasm.c (free_varasm_status): Likewise.

Thu Sep  9 17:23:19 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * except.c (call_get_eh_context): Add root when allocating static
        tree variable.

Thu Sep  9 15:24:59 BST 1999  Richard Earnshaw <rearnsha@arm.com>

        * arm.c: Include "ggc.h".
        (arm_add_gc_roots): New function.
        (arm_override_options): Call it.
        (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.

        * arm.md (define_asm_attributes): Add a pool_range attribute.

Thu Sep  9 12:32:57 BST 1999  Nathan Sidwell  <nathan@acm.org>

        * extend.texi (Volatiles): New node.

Thu Sep  9 03:37:31 1999  Richard Henderson  <rth@cygnus.com>

        * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
        (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
        (struct ggc_any): Replace `mark' with `magic_mark'.
        (ggc_alloc_string): Use memcpy, not bcopy.
        (ggc_alloc_any): Set magic_mark.  Update bytes_alloced_since_gc.
        (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
        (ggc_free_any): New.
        (ggc_mark_string): Use IGNORE_MARK.  Calc back to struct gcc_string.
        (ggc_mark): Use IGNORE_MARK.  Abort if magic doesn't match.
        (ggc_collect): Re-enable collection avoidance.  Use GGC_ANY_MARK.
        Use IS_MARKED. Use ggc_free_any.

1999-09-09  Scott Bambrough <scottb@netwinder.org>

        * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C

Thu Sep  9 01:55:21 1999  Richard Henderson  <rth@cygnus.com>

        * toplev.c (main): Always init_ggc.

Wed Sep  8 23:53:22 1999  Richard Henderson  <rth@cygnus.com>

        * except.c (find_all_handler_type_matches): Free the list if
        we found no matches.

        * combine.c (SUBST): Break out to a real function do_SUBST.
        (SUBST_INT): Likewise.
        * gcse.c (free_pre_mem): Free `temp_bitmap'.
        (pre_insert): Free `inserted'.
        * loop.c (basic_induction_var): Always set `location'.

        * function.c (expand_function_end): Add initial_trampoline as a root.
        * rtl.h (init_varasm_once): Declare.
        * toplev.c (compile_file): Call it.
        * ggc-simple.c (ggc_mark_string_ptr): New.
        (ggc_add_string_root): New.
        (ggc_collect): Disable collection avoidance temporarily.
        * ggc.h (ggc_add_string_root): Declare.
        * except.c (create_rethrow_ref): Use ggc_alloc_string.
        * optabs.c (init_libfuncs): Likewise.
        * varasm.c (named_section): Use ggc_alloc_string.
        (make_function_rtl): Likewise.
        (make_decl_rtl): Likewise.
        (assemble_static_space): Likewise.
        (assemble_trampoline_template): Likewise.
        (output_constant_def): Likewise.
        (force_const_mem): Likewise.
        (mark_const_hash_entry): New.
        (mark_pool_sym_hash_table): New.
        (mark_varasm_state): Use it.
        (init_varasm_once): New.

        * expr.h (init_one_libfunc): Declare.
        * optabs.c (init_one_libfunc): New.
        (init_optabs): Use it.
        * config/gofast.h: Likewise.
        * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
        * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.

Thu Sep  9 13:46:06 1999  Geoffrey Keating  <geoffk@cygnus.com>

        * Makefile.in (cppexp.o): Depend on cpphash.h.
        * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
        Include cpphash.h.
        * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
        * cpplib.c (do_define): Generalise to handle poisoned definitions,
        redefining poisoned identifiers, etc.
        (do_undef): Don't allow poisoned identifiers to be undefined.
        (do_pragma): Add #pragma poison.
        (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.

        * cccp.c: Add T_POISON node type.
        (special_symbol): Handle `defined(xxx)' and plain `xxx' for
        poisoned xxx.
        (do_define): Generalise to handle poisoned definitions,
        redefining poisoned identifiers, etc.
        (do_undef): Don't allow poisoned identifiers to be undefined.
        (do_pragma): Add #pragma poison.
        (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.

        * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
        * c-pragma.h: Add ps_poison state.  We now always have generic
        pragmas.

Wed Sep  8 20:30:42 1999  Mark Mitchell  <mark@codesourcery.com>

        * ggc.h (ggc_alloc): New function.
        (ggc_mark): Likewise.
        * ggc-simple.c (ggc_any): New structure.
        (ggc_status): Add anys.
        (n_anys_collected): New variable.
        (ggc_alloc): Define.
        (ggc_mark): Likewise.
        (ggc_collect): Collect the anys.

Wed Sep  8 20:15:14 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-decl.c (mark_binding_level): Make static to match prototype.

Wed Sep  8 16:41:27 1999  Richard Henderson  <rth@cygnus.com>

        * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.

Wed Sep  8 16:07:52 1999  Richard Henderson  <rth@cygnus.com>

        * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
        will use into account.  Expand the max width to 5.
        * rtl.c: Likewise.

Wed Sep  8 16:01:14 1999  Richard Henderson  <rth@cygnus.com>

        * ggc-simple.c (ggc_free_rtx): Poison the correct amount
        for the rtx length.

Wed Sep  8 15:23:54 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.md (call value patterns): Remove the result predicates.

Wed Sep  8 13:35:38 1999  Richard Henderson  <rth@cygnus.com>

        * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
        last change.

Wed Sep  8 15:32:16 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
        changed from extern char *, to extern PTR.  Also fix typo in
        NEED_DECLARATION_REALLOC test.

        * mips-tdump.c (malloc, calloc, realloc): Don't prototype.

Wed Sep  8 11:40:47 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
        ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
        ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
        ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.

        * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.

        * cccp.c (pcfinclude): Likewise.

        * global.c (allocno_compare): Likewise.

        * haifa-sched.c (rank_for_schedule): Likewise.

        * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.

        * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.

        * stupid.c (stupid_reg_compare): Likewise.

        * tree.c (_obstack_allocated_p): Likewise.

        * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.

1999-09-08  Bruce Korb  autogen@linuxbox.com

        * gcc/ch/Makefile.in: Give the hapless gperf user a hint about
        why "gperf -F" fails.
        * gcc/cp/Makefile.in: ditto
        * gcc/Makefile.in: ditto
        * gcc/java/Makefile.in: ditto

Wed Sep  8 04:43:22 1999  Richard Henderson  <rth@cygnus.com>

        * lists.c: Include ggc.h.
        (zap_lists): New.
        (init_EXPR_INSN_LIST_cache): Install it.

        * ggc-simple.c (init_ggc): Absorb the old init.
        (ggc_push_context): Use xcalloc.
        (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
        (ggc_collect): Add [rvts] tags to the collection stats.

Wed Sep  8 11:14:25 1999  Andreas Schwab  <schwab@suse.de>

        * cccp.c (main): Fix handling of -include and -imacros options.

Wed Sep  8 02:23:08 1999  Jeffrey A Law  (law@cygnus.com)

        * cpplib.c (cpp_push_buffer): Fix order of arguments.

Wed Sep  8 04:44:09 1999  Alexandre Oliva  <oliva@dcc.unicamp.br>

        * rtl.h (obstack_alloc_rtx): Removed, it's now static in
        genrtl.c.

Wed Sep  8 00:33:43 1999  Alasdair Baird  <alasdair@wildcat.demon.co.uk>

        * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
        * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
        and SET_DEST. Update comment.

Wed Sep  8 18:55:17 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.c: Include ggc.h.
        (c4x_add_gc_roots): New function.
        (c4x_override_options): Call c4x_add_gc_roots.

Wed Sep  8 00:00:16 1999  Richard Henderson  <rth@cygnus.com>

        * defaults.h (TARGET_ESC): Move ...
        * system.h: ... here, where Linas had it in the first place.  Silly me.

Tue Sep  7 23:46:35 1999  Linas Vepstas  <linas@linas.org>

        * c-common.c: Use ISGRAPH, ISLOWER, toupper.
        * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
        genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
        * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
        * defaults.h (TARGET_ESC): Add default.

Tue Sep  7 23:36:59 1999  Linas Vepstas  <linas@linas.org>

        * configure.in: add i370-*-openedition, i370-*-mvs and
        i370-*-linux targets

Tue Sep  7 23:31:53 1999  Mark Mitchell  <mark@codesourcery.com>

        * dsp16xxx.c: Include ggc.h
        (override_options): Mark GC roots.
        * mn10200.c: Include ggc.h.
        (asm_file_start): Mark GC roots.
        * tahoe.c: Include ggc.h.
        (extensible_operand): Mark GC roots.

Tue Sep  7 23:23:15 1999  Linas Vepstas  <linas@linas.org>

        * README: Add section discussing status of ELF ABI.
        * i370.c: Fix misc spelling mistakes.
        (i370_label_scan): Updated notes, exception handling.
        (i370_function_prolog): Simplify ELF stack handling.
        * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
        (STACK_GROWS_DOWNWARD): ELF stack grows down.
        (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
        * i370.md: (movdi): Add notes.
        (floatsidf2): Use stack not rtca for scratch float area.
        (iorsi3): Correct operand constraints.
        * x-oe: Restore TAROUTOPTS which are used by pax.

Tue Sep  7 22:39:18 1999  Mark Mitchell  <mark@codesourcery.com>

        * rs6000.c: Include ggc.h.
        (rs6000_add_gc_roots): New function.
        (override_options): Call it.

Tue Sep  7 22:09:03 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.h (alpha_compare): New.
        (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
        * alpha.c: Likewise for the definitions.
        (alpha_emit_conditional_branch): Update for alpha_compare.
        (alpha_emit_conditional_move): Likewise.
        * alpha.md (cmpdf, cmpdi): Likewise.
        (setcc patterns): Likewise.  Zero alpha_compare after use.
        (sne): Optimize (x != 0) into (0U < x).

Tue Sep  7 21:55:02 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
        (struct machine_function): Declare; add eh_epilogue_sp_ofs.
        (INIT_EXPANDERS): Remove.
        * alpha.c: Include ggc.h.
        (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
        (alpha_init_machine_status, alpha_mark_machine_status): New.
        (override_options): Install them.
        (struct machine_function): Moved to alpha.h.
        (alpha_save_machine_status, alpha_restore_machine_status): Remove.
        (alpha_init_expanders): Remove.
        (alpha_return_addr): Adjust to use current_function->machine.
        (alpha_ra_ever_killed): Likewise.
        (alpha_expand_epilogue): Likewise.
        * alpha.md (eh_epilogue): Likewise.

Wed Sep  8 14:34:42 1999  Ian Piumarta  <piumarta@prof.inria.fr>
                          Melissa O'Neill  <oneill@cs.sfu.ca>
                          Geoffrey Keating  <geoffk@cygnus.com>

        * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
        call-used registers (call-saved registers must still be contiguous
        and end with r31, of course).

Tue Sep  7 21:41:38 1999  Richard Henderson  <rth@cygnus.com>

        * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
        (self_promoting_type_p): Delete.
        (self_promoting_args_p): Move ...
        * c-common.c: ... here.
        (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
        (simple_type_promotes_to): New.
        * builtins.c (lang_type_promotes_to): New.
        (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
        * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
        * c-common.h: ... here.
        (self_promoting_args_p, simple_type_promotes_to): Declare.
        * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
        (grokdeclarator): Likewise.
        * tree.h (lang_type_promotes_to): Declare.

Tue Sep  7 17:15:21 1999  Mark Mitchell  <mark@codesourcery.com>

        Add some machine-dependent GC roots.
        * sparc.c: Include ggc.h.
        (sparc_add_gc_roots): New function.
        (mark_ultrasparc_pipeline_state): Likewise.
        (override_options): Call sparc_add_gc_roots.
        * pa.c: Include ggc.h.
        (pa_add_gc_roots): New function.
        (mark_deferred_plabels): Likewise.
        (override_options): Call pa_add_gc_roots.
        * mips.c: Include ggc.h.
        (mips_add_gc_roots): New function.
        (override_options): Use it.

Tue Sep  7 11:39:41 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * cpperror.c (cpp_file_line_for_message): Constify a char*.

        * cppexp.c (parse_number, parse_charconst, cpp_lex,
        cpp_parse_expr): Add static prototypes.
        (parse_charconst): Don't cast away const-ness.
        (token): Constify a char*.

        * cppfiles.c (file_name_list, include_hash, find_include_file,
        finclude, initialize_input_buffer): Constify a char*.
        (file_cleanup, find_position): Add static prototypes.

        * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
        collect_expansion): Add static prototypes.
        (cpp_install, create_definition, monthnames): Constify a char*.

        * cpphash.h (cpp_install): Likewise.

        * cppinit.c (known_suffixes, default_include,
        dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
        (base_name, dump_special_to_buffer, initialize_dependency_output):
        Add static prototypes.

        * cpplib.c (my_strerror): Constify a char*.
        (null_underflow, null_cleanup, skip_comment, copy_comment,
        copy_rest_of_line, handle_directive, pass_thru_directive,
        get_directive_token, read_line_number, cpp_print_file_and_line,
        v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
        v_cpp_warning_with_line, detect_if_not_defined,
        consider_directive_while_skipping): Add static prototypes.
        (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
        cpp_pedwarn_with_file_and_line): Constify a char*.

        * cpplib.h (cpp_options, include_hash, progname, definition,
        cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
        check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
        find_include_file, deps_output, include_hash): Constify a char*.

        * cppmain.c (progname): Constify.
        (main): Add prototype.  Use return, not exit.

        * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
        recognized_macro, check_macro_names, read_scan_file, write_rbrac,
        inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
        check_protection): Add static prototype.
        (xfree): Remove.
        (progname, recognized_macrom, recognized_extern): Constify a char*.
        (main): Add prototype.

        * gen-protos.c (progname): Constify a char*.

Tue Sep  7 00:47:52 1999  Mark Mitchell  <mark@codesourcery.com>

        * emit-rtl.c (free_emit_status): Take decl as a parameter.
        (init_emit_once): Add more GC roots.
        * except.c (mark_func_eh_entry): New function.
        (mark_eh_node): Mark false_label and rethrow_label.
        (init_eh): Add more GC roots.
        * function.c (free_after_compilation): Take decl as a paramter.
        Call free_stmt_status.
        (mark_function_state): Don't assume x_parm_reg_stack_loc is
        non-NULL.
        * function.h (free_after_compilation): Change prototype.
        (free_varasm_status): Likewise.
        (free_emit_status): Likewise.
        (free_stmt_status): New function.
        * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
        Remove, replacing with ...
        (ggc_status): New structure.
        (ggc_chain): New variable.
        (init_gcc): Define.
        (ggc_push_context): New function.
        (ggc_pop_context): Likewise.
        (ggc_alloc_rtx): Adjust for use of ggc_chain.
        (ggc_alloc_rtvec): Likewise.
        (ggc_alloc_tree): Likewise.
        (ggc_alloc_string): Likewise.
        (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
        (ggc_mark_tree): Give language-dependent code a chance to mark
        `x' nodes.
        (ggc_mark_tree_varray): Handle empty arrays.
        (ggc_collect): Adjust for use of ggc_chain.  Clear
        bytes_alloced_since_last_gc.
        * ggc.h (ggc_pop_context): New function.
        (ggc_push_context): Likewise.
        * print-tree.c (print_node): Don't print obstacks when GC'ing.
        * stmt.c (free_stmt_status): New function.
        (init_stmt_for_function): Clear last_expr_value.
        * toplev.c (rest_of_compilation): Always call free_after_compilation.
        Conditionalize call to ggc_collect.
        (main): Call init_ggc.
        * tree.c (push_obstacks): Do the push, even when GC'ing.
        (push_obstacks_nochange): Likewise.
        (pop_obstacks): Liekwise.
        * varasm.c (free_varasm_status): Take decl as a parameter.

Tue Sep  7 08:15:49 1999  Gavin Romig-Koch  <gavin@cygnus.com>

        * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
        (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
        * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
        * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.

Tue Sep  7 03:42:45 1999  Mark Klein (mklein@dis.com)

        * pa/x-pa-mpeix: New file for the MPE port.

        * pa/quadlib.asm: New file for long double support.

        * configure.in: Add hppa1.0-*-mpeix for MPE port.
        * configure: Rebuilt.

Tue Sep  7 10:08:40 1999  Andreas Schwab  <schwab@suse.de>

        * final.c (shorten_branches): Fix last change.

Tue Sep  7 00:30:32 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.

Mon Sep  6 22:44:47 1999  Jeffrey A Law  (law@cygnus.com)

        * Merge from gcc2 snapshot Jan 9, 1999.  See FSFChangeLog for
        details.

Mon Sep  6 22:31:28 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-aux-info.c (concat): Don't define.

        * cccp.c (my_strerror): Likewise.  All callers changed to use
        xstrerror instead.
        (do_include): Call xstrdup, not xmalloc/strcpy.
        (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
        (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.

        * collect2.c (my_strsignal): Likewise.  All callers changed to use
        strsignal instead.
        (locatelib): Call xstrdup, not xmalloc/strcpy.

        * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.

        * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.

        * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.

        * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.

        * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.

        * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...

        * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
        malloc/realloc.
        (find_all_handler_type_matches): Likewise.  Don't check return
        value.
        (get_new_handler, init_insn_eh_region, process_nestinfo): Call
        xmalloc, not malloc.
        (init_eh_nesting_info): Likewise.  Call xcalloc, not xmalloc/bzero.

        * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
        (init_spec): Call xcalloc, not xmalloc/bzero.
        (set_spec): Call xstrdup, not save_string.
        (record_temp_file): Call xstrdup, not xmalloc/strcpy.
        (find_a_file): Call xstrdup, not xmalloc/strcpy.
        (process_command): Call xstrdup, not save_string.
        (main): Call xcalloc, not xmalloc/bzero.

        * gcov.c (xmalloc): Don't define.
        (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
        (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
        (output_data): Call xcalloc, not xmalloc/bzero.

        * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.

        * mips-tdump.c (xmalloc): Don't define.
        (print_symbol): Call xmalloc, not malloc.
        (read_tfile): Call xcalloc, not calloc.

        * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
        Don't define.  All callers of xfree/my_strsignal changed to use
        free/strsignal instead.
        (allocate_cluster): Call xcalloc, not calloc.

        * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
        Fix memory leak, free allocated memory.

        * prefix.c (translate_name): Call xstrdup, not save_string.
        (update_path): Likewise.

        * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.

        * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
        Don't define.  Callers of xfree/savestring2 changed to use
        free/concat instead.

        * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
        (init_elim_table): Likewise.

        * resource.c (init_resource_info): Likewise.

        * stupid.c (stupid_life_analysis): Likewise.

        * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
        (open_dump_file): Call concat, not xmalloc/strcpy/...
        (clean_dump_file): Likewise.
        (compile_file): Call xstrdup, not xmalloc/strcpy.

Mon Sep  6 15:04:55 1999  Richard Henderson  <rth@cygnus.com>

        * v850.h (EXPAND_BUILTIN_VA_ARG): New.
        * v850.c (v850_va_arg): New.

Tue Sep  7 09:36:01 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * haifa-sched.c: Tidy comments.

Mon Sep  6 14:30:13 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
        (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
        $(out_object_file)): Depend on ggc.h.
        * c-common.c: Include "ggc.h".
        (combine_strings): If doing GC, use ggc_alloc_string.
        * c-decl.c: Include "ggc.h".
        (ggc_p): Define with value 0.
        (mark_binding_level): New function.
        (init_decl_processing): Add GC roots.
        (mark_c_function_context): New function.
        (lang_mark_false_label_stack): New function.
        (lang_mark_tree): New function.
        (lang_cleanup_tree): New function.
        * c-lang.c: Include "ggc.h".
        (lang_init): Call c_parse_init.
        * c-lex.c: Include "ggc.h".
        (check_linenum): If doing GC, don't copy filenames to permanent
        obstack.
        * c-parse.in: Include "ggc.h".
        (c_parse_init): New function.
        * c-tree.h (c_parse_init, mark_c_function_context): Declare.
        * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.

        * except.c (mark_eh_state): Mark more state.
        * function.c (mark_function_state): Likewise.
        * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
        (ggc_alloc_string) [GGC_DUMP]: Fix typo.
        * toplev.c (mark_file_stack): New function.
        (compile_file): If doing GC, use ggc_alloc_string on input filename.
        (main): Add root for input_file_stack.

        * i386.c: Include "ggc.h".
        (ix86_mark_machine_status): New function.
        (override_options): Set mark_machine_status.

Mon Sep  6 15:26:23 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * tree.c (copy_node): Copy node contents also if doing GC.

Mon Sep  6 08:42:06 1999  Alexandre Oliva  <oliva@dcc.unicamp.br>

        * collect2.c (scan_libraries): Fix double-thinko :-).

Mon Sep  6 02:42:36 1999  Jeffrey A Law  (law@cygnus.com)

        * collect2.c (scan_libraries): Fix thinko.

        * cse.c (delete_trivially_dead_insns): Do not skip the last
        insn if it is a real insn.

Sun Sep  5 18:57:42 1999  Mark Mitchell  <mark@codesourcery.com>

        * Makefile.in (ggc-simple.o): Depend on hash.h.
        * ggc.h (ggc_add_tree_hash_table_root): Declare.
        (ggc_mark_tree_varray): Likewise.
        (ggc_mark_tree_hash_table): Likewise.
        * ggc-simple.c: Include hash.h.
        (ggc_mark_tree_hash_table_ptr): New function.
        (ggc_mark_tree_hash_table_entry): Likewise.
        (ggc_mark_tree_hash_table): Likewise.
        (ggc_add_tree_hash_table_root): Likewise.
        * varray.h (const_equiv_data): Use struct rtx_def *, rather than
        rtx, when defining fields.

Sun Sep  5 18:57:42 1999  Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>

        * profile.c (output_func_start_profiler): Remove apparently
        nonsensical call to start_sequence.

Sun Sep  5 17:34:33 1999  Richard Henderson  <rth@cygnus.com>

        * clipper/clipper.c (clipper_va_start): Fix typos.

        * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
        * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
        (spur_va_arg): New stub.

        * configure.in: Comment out pyramid.

Sun Sep  5 19:11:01 1999  Michael Meissner  <meissner@cygnus.com>

        * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
        don't conflict with the bits that win32, cygwin, and dgux
        defines.

Sun Sep  5 09:31:56 1999  Richard Henderson  <rth@cygnus.com>
                          Bernd Schmidt <bernds@cygnus.co.uk>

        * integrate.c (function_cannot_inline_p): Do not inline
        functions with forced labels.

Sun Sep  5 00:35:17 1999  Richard Henderson  <rth@cygnus.com>
                          Bernd Schmidt <bernds@cygnus.co.uk>
                          Mark Mitchell  <mark@codesourcery.com>

        * Makefile.in (ggc-simple.o): Depend on varray.h.
        (rtl.o): Depend on ggc.h.
        (genattrtab.o): Depend on ggc.h.
        (print-tree.o): Likewise.
        (fold-const.o): Likewise.
        * emit-rtl.c (sequence_element_free_list): Remove, and all references.
        (make_insn_raw): Don't cache insns when GC'ing.
        (emit_insn_before): Likewise.
        (emit_insn_after): Likewise.
        (emit_insn): Likewise.
        (start_sequence): Use xmalloc to allocate the sequence_stack.
        (end_sequence): Add free to free it.
        (gen_sequence): Don't cache insns when GC'ing.
        (clear_emit_caches): Don't use sequence_element_free_list.
        (init_emit): Use xcalloc, not xmalloc+bzero.
        * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
        * function.c (pop_function_context_from): Use free to free the
        fixup_var_refs_queue.
        (put_reg_into_stack): Allocate it with xmalloc.
        * genattrtab.c: Include ggc.h.
        (operate_exp): Don't use obstack_free when GC'ing.
        (simplify_cond): Likewise.
        (simplify_text_exp): Likewise.
        (optimize_attrs): Likewise.
        * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
        GC'ing.
        (gencode): Generate a #include for ggc.h.
        * ggc-callbacks.c (ggc_p): Define it to zero.
        * ggc-none.c (ggc_p): Likewise.
        * ggc-simple.c: Include varray.h.
        (ggc_mark_tree_varray): New function.
        (ggc_add_tree_varray_root): Likewise.
        (ggc_mark_tree_varray_ptr): Likewise.
        * ggc.h (ggc_p): Declare.
        (varray_head_tag): Likewise.
        (ggc_add_tree_varray_root): Declare.
        * print-tree.c (print_node): Don't check for TREE_PERMANENT
        inconsistencies when GC'ing.
        * rtl.c: Include ggc.h.
        (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
        (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
        (rtx_free): Don't call obstack_free when GC'ing.
        * toplev.c (rest_of_compilation): Call ggc_collect after every
        pass, if GC'ing.
        * tree.c (push_obstacks): Do nothing, if GC'ing.
        (pop_obstacks_nochange): Likewise.
        (pop_obstacks): Likewise.
        (make_node): Use ggc_alloc_tree when GC'ing.
        (copy_node): Likewise.
        (get_identifier): Use ggc_alloc_string when GC'ing.
        (build_string): Likewise.
        (make_tree_vec): Use ggc_alloc_tree when GC'ing.
        (tree_cons): Likewise.
        (build1): Likewise.
        (type_hash_canon): Don't call obstack_free when GC'ing.

Sat Sep  4 21:52:32 1999  Richard Henderson  <rth@cygnus.com>

        * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
        of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.

Sat Sep  4 20:40:19 1999  Richard Henderson  <rth@cygnus.com>
                          Bernd Schmidt <bernds@cygnus.co.uk>
                          Mark Mitchell  <mark@codesourcery.com>

        * Makefile.in (stor-layout.o): Depend on ggc.h.
        (expr.o): Depend on ggc.h.
        (profile.o): Depend on ggc.h.
        (stor-layout.o): Depend on ggc.h.
        * emit-rtl.c (init_emit_once): Add gc roots.
        * expr.c: Include ggc.h.
        (emit_block_move): Add gc roots.
        (clear_storage): Likewise.
        * expr.h (init_stor_layout_once): New function.
        * profile.c: Include ggc.h.
        (init_arc_profiler): profiler_label is a root.
        * scan.c (make_sstring_space): Trust xrealloc to function
        correctly with first parameter NULL.
        * stor-layout.c: Include ggc.h.
        (set_sizetype): Add gc root.
        (init_stor_layout_once): New function.
        * toplev.c (compile_file): Call it.

Sat Sep  4 19:26:25 1999  Richard Henderson  <rth@cygnus.com>
                          Bernd Schmidt <bernds@cygnus.co.uk>
                          Mark Mitchell  <mark@codesourcery.com>

        * Makefile.in (tree.o): Depend on ggc.h.
        (varasm.o): Likewise.
        (function.o): Likewise.
        (stmt.o): Likewise.
        (except.o): Likewise.
        (optabs.o): Likewise.
        (emit-rtl.o): Likewise.
        * emit-rtl.c: Include ggc.h.
        (sequence_element_free_list): Remove, and all references.
        (mark_sequence): New functions.
        (mark_emit_state): New function.
        * except.c: Include ggc.h.
        (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
        (mark_tree_label_node): New functions.
        (mark_eh_state): New function.
        * function.c: Include ggc.h.
        (mark_temp_slot, mark_function_chain): New functions.
        (mark_function_state): New function.
        (init_function_once): New function.
        * function.h (init_function_once): New function.
        * ggc-callbacks.c (lang_mark_false_label_stack): New function.
        * ggc.h (label_node): Declare.
        (eh_status, emit_status, stmt_status, varasm_status): Likewise.
        (lang_mark_false_label_stack): New function.
        (mark_temp_slot): Remove declaration.
        (mark_function_chain): Likewise.
        (mark_eh_state): Adjust prototype.
        (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
        Likewise.
        * optabs.c: Include ggc.h.
        (mark_optab): New function.
        (init_optabs): Add gc roots.
        * stmt.c: Include ggc.h.
        (mark_cond_nesting, mark_loop_nesting): New functions.
        (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
        (mark_stmt_state): New function.
        * toplev.c (compile_file): Call init_function_once.
        * tree.c: Include ggc.h.
        (type_hash): Move declaration earlier in file.
        (TYPE_HASH_SIZE, type_hash_table): Likewise.
        (init_obstacks): Add gc roots.
        (mark_type_hash): New function.
        * varasm.c: Include ggc.h.
        (mark_pool_constant): New function.
        (mark_varasm_state): New function.

Sat Sep  4 22:28:56 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.

Sat Sep  4 18:01:45 1999  Bernd Schmidt <bernds@cygnus.co.uk>

        * c-decl.c (struct language_function): Renamed from struct c_function.
        Delete elt NEXT.
        (c_function_chain): Delete.
        (push_c_function_context): New arg F.  Don't warn about nested
        functions here.  Fill LANGUAGE elt of F.  Delete code to update
        c_function_chain.  Don't call push_function_context.
        (pop_c_function_context): New arg F.  Restore from there instead of
        from c_function_chain.  Don't call pop_function_context.  Clear out
        LANGUAGE field of F when done.
        * c-lang.c: Include "function.h"
        (lang_init): Initialize save_lang_status and restore_lang_status.
        * c-parse.in (nested_function, nested_function_notype): Warn about
        nested functions.  Call push_function_context/pop_function_context
        instead of the _c_ variants.
        * c-tree.h (push_c_function_context, pop_c_function_context): Update
        prototype.
        * Makefile.in (c-lang.o): Update dependencies.

        * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
        regno_pointer_flag, regno_pointer_align.
        (gen_reg_rtx): Use xrealloc to enlarge them.
        (free_emit_status): New function.
        * function.c (mark_machine_status, mark_lang_status): New variables.
        (assign_stack_local_1): Renamed from assign_outer_stack_local.  Merge
        in some bits from assign_stack_local.  All callers changed to use new
        name.
        (assign_stack_local): Just call assign_stack_local_1.
        (free_after_compilation): New function.
        (put_reg_into_stack): Simplify to always call assign_stack_local_1.
        (trampoline_address): Likewise.
        (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
        (prepare_function_start): Explicitly clear some more variables.
        * function.h (struct function): New elt can_garbage_collect.
        (mark_machine_status, mark_lang_status): Declare variables.
        (free_after_compilation, free_emit_status, free_varasm_status,
        init_varasm_status): Declare functions.
        * toplev.c (rest_of_compilation): Call free_after_compilation when
        done with the current function.
        * varasm.c (free_varasm_status): New function.

Sat Sep  4 17:15:13 1999  Richard Henderson  <rth@cygnus.com>

        * sparc.h (EXPAND_BUILTIN_VA_START): Define.
        (EXPAND_BUILTIN_VA_ARG): Define.
        * sparc.c (sparc_va_start): New.
        (sparc_va_arg): New.

Sun Sep  5 11:11:59 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.

Sun Sep  5 10:13:19 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.

Sat Sep  4 13:44:01 1999  Mark Mitchell  <mark@codesourcery.com>

        * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
        (OBJS): Add $(GGC).
        (ggc-callbacks.o): New target.
        * ggc-callbacks.c: New file.

Sat Sep  4 22:53:13 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * expr.h: Collapse individual optab and libfunc vars to arrays.
        (optab_index, libfunc_index): New enumerations.
        (optab_table, libfunc_table): New arrays.
        Add accessor macros for both.

        * optabs.c (optab_table, libfunc_table): New.
        Delete declarations for individual optab and libfunc vars.

Sat Sep  4 12:57:17 1999  Richard Henderson  <rth@cygnus.com>

        * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.

Sat Sep  4 11:19:52 1999  Richard Henderson  <rth@cygnus.com>

        * Makefile.in (GGC, GGC_LIB): New.
        (HOST_RTL): Include ggc-none.o.
        (ggc-simple.o): New target.
        (ggc-none.o): Likewise.
        * tree.h (tree_common): Add gc_mark.
        * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
        (struct rtvec_def): Add gc_mark.
        * emit-rtl.c (global_rtl): Update static initializers to contain
        enough initializers.
        * ggc.h, ggc-none.c, ggc-simple.c: New files.
        * toplev.c (gc_time): New variable.
        (all_time): New variable.
        (compile_file): Print gc time.
        (print_time): Calculate percentage of the whole.

Sat Sep  4 13:11:01 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        Change obstack memory management and varasm constant pool handling so
        that nested functions are treated like any other functions.
        * function.c (init_machine_status): New variable.
        (push_function_context_to): Set contains_functions for the outer
        function.  Don't call save_varasm_status.
        (pop_function_context_from): Don't call restore_varasm_status.  Don't
        set current_function_contains_functions.
        (prepare_function_start): Call init_varasm_status rather than
        init_const_rtx_hash_table.  Call (*init_machine_status) if the pointer
        is non-null.
        * function.h (struct function) Add field varasm.  Delete fields
        inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
        last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
        (init_machine_status): Declare.
        (save_varasm_status, restore_varasm_status): Delete declarations.
        (save_tree_status, restore_tree_status): Delete last argument.
        * integrate.c (initialize_for_inline): Lose arg COPY.  Delete copying
        code.  All callers changed.
        (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
        save_constants_in_decl_trees, restore_constants, save_constants,
        save_for_inline_eh_labelmap, save_for_inline_copying): Delete
        functions.
        (inlining): New variable.
        (reg_map, label_map, insn_map, orig_asm_operands_vector,
        copy_asm_operands_vector, copy_asm_constraints_vector): Delete
        variables.
        (save_for_inline_nocopy): Don't save constants.
        Don't set inl_emit field in current_function.
        (expand_inline_function): Use emit field, not inl_emit, of the inlined
        function.  Set new variable inlining before
        calling copy_rtx_and_substitute.
        (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
        constant pool references if inlining is nonzero.
        Delete ADDRESS and (most of the) CONST cases.
        (output_inline_function): Save and restore current_function/
        current_function_decl.  Delete restore_constants code.  Don't call
        init_const_rtx_hash_table.
        * output.h (init_const_rtx_hash_table): Don't declare.
        * rtl.h (struct function): Declare.
        (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
        * toplev.c (rest_of_compilation): Don't treat nested functions or
        functions containing them specially.  Delete all code to deal with
        save_for_inline_copying.
        * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
        inline_obstacks): Delete variables.
        (save_tree_status): Lose arg CONTEXT.  All callers changed.
        Simply allocate a new function_maybepermanent_obstack for the new
        function, delete all the special cases.
        Don't save inline_obstacks.
        (restore_tree_status): Lose arg CONTEXT.  All callers changed.
        Delete special handling for function_maybepermanent_obstack; simply
        free it if empty.
        Don't restore inline_obstacks.
        (permanent_allocation):  Delete code that frees inline_obstacks.
        (print_inline_obstack_statistics): Delete function.
        (dump_tree_statistics): Don't call it.
        * varasm.c (struct varasm_status): New.
        (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
        last_pool, pool_offset, const_double_chain): Delete global
        variables, replace with accessor macros.
        (immed_double_const): Don't walk const_double_chain outside a
        function, but don't treat nested functions specially anymore.
        (immed_real_const_1): Likewise.
        (clear_const_double_mem): Don't treat nested functions specially.
        (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
        (save_varasm_status, restore_varasm_status): Delete functions.
        (init_varasm_status): New function.
        (force_const_mem): Don't treat nested functions specially.
        (find_pool_constant): Accept new arg F, search for constants in
        that function's pool rather than the current one.  All callers
        changed.
        (get_pool_constant_for_function, get_pool_mode_for_function): New
        functions.

        * i386.c (init_386_machine_status): New function, mostly from
        clear_386_stack_locals.
        (struct machine_functions): Rename element names to avoid name
        clashes.
        (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
        macros, replacing global variables.
        (clear_386_stack_locals, save_386_machine_status,
        restore_386_machine_status): Delete functions.
        (override_options): Initialize init_machine_status.
        * i386.h (INIT_EXPANDERS): Delete macro.
        (save_386_machine_status, restore_386_machine_status,
        clear_386_stack_locals): Delete declarations.

Sat Sep  4 16:56:28 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
        (doloop_begin):  Simplify pattern and use emit_jump_insn.
        (doloop_end): Simplify pattern, switch operand order,
        and use emit_jump_insn.

Fri Sep  3 19:02:38 1999  Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>

        * function.h (struct function): Add new element LANGUAGE.
        (save_lang_status): Declare new variable.
        (restore_lang_status): Likewise.
        * function.c (save_lang_status): Define.
        (restore_lang_status): Likewise.
        (push_function_context_to): Call language-specific save function.
        (pop_function_context_from): Call language-specific restore function.

Fri Sep  3 01:16:18 1999  Alasdair Baird  <alasdair@wildcat.demon.co.uk>

        * i386.md (movsf_1): Check REG_P before use of REGNO.
        (movdf_1): Likewise.
        (movxf_1): Likewise.
        (extendsfdf2): Likewise.
        (extendsfxf2): Likewise.
        (extenddfxf2): Likewise.

Sat Sep  4 11:37:15 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
        constants into memory.
        (c4x_shiftable_constant): New function.
        * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
        (c4x_shiftable_constant): Declare.
        * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
        ashlqi3_noclobber): Add new patterns and associated splitters.

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)

        * 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.

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.
        (mvs_add_alias, mvs_need_alias): New functions.
        (mvs_get_alias, mvs_check_alias): New functions.
        (handle_pragma): New function.
        (mvs_function_check): New function.
        (unsigned_jump_follows_p): Search harder.
        (i370_function_prolog) [TARGET_HLASM]: Handle LE370.  Scan labels.
        (i370_function_prolog) [TARGET_ELF_ABI]: New function.
        * i370.h (TARGET_VERSION): Delete.
        (CPP_SPEC, CPP_PREDEFINES): Delete.
        (mvs_label_emitted): Delete.
        (TARGET_EBCDIC): Delete.
        (MAP_CHARACTER): Define only if TARGET_EBCDIC.
        (HANDLE_PRAGMA): Define.
        (HARD_REGNO_NREGS): Handle complex modes.
        (HARD_REGNO_MODE_OK): Likewise.
        (CLASS_MAX_NREGS): Likewise.
        (RET_REG): Likewise.
        (EXTRA_CONSTRAINT): Define.
        (RETURN_IN_MEMORY): True for DImode.
        (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
        (FUNCTION_PROFILER): Delete.
        (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
        (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
        (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
        (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
        (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
        (ASM_FILE_START): Add "RMODE ANY".
        (ASM_OUTPUT_EXTERNAL): Check for aliases.
        (ASM_GLOBALIZE_LABEL): Likewise.
        (ASM_OUTPUT_LABELREF): Likewise.
        (ASM_OUTPUT_COMMON): Likewise.
        (PRINT_OPERAND): Handle 'K', 'W', default.
        (PRINT_OPERAND_ADDRESS): New.
        (Lots of defines): Add support for TARGET_ELF_ABI.
        * i370.md (attr length): New.  Define for all patterns.
        (*): Lots of tweeks to assembly output and constraints.

Mon Jul 19 15:09:29 1999  David Edelsohn  <edelsohn@gnu.org>

        * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
        Disable patterns performing SImode comparisons with SImode values
        if TARGET_POWERPC64 and instruction does not sign-extend or does
        not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
        differ for signed quantities.
        (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
        (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
        (decrement_and_branch_on_count): Add 64-bit variant.

Mon Jul 19 09:36:27 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * final.c (output_asm_insn): When searching for the matching string
        for a given dialect, don't run past the end of the list of
        alternatives if there are fewer alternatives in the template than
        dialects.

1999-07-17  Alexandre Oliva  <oliva@dcc.unicamp.br>

        * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
        Removed paragraph about compression of files and size limitation,
        duplicated in the FAQ.  Use gcc-patches for posting patches.
        * gcc.c (main): Updated URL with bug reporting instructions to
        gcc.gnu.org.  Removed e-mail address.
        * system.h (abort): Likewise.

1999-07-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in (stmp-multilib-sub): Make the files extracted
        from $(LIBGCC1) writable.

Sat Jul 17 14:25:46 1999  Nick Clifton  <nickc@cygnus.com>

        * config/arm/aout.h: Reformat for improved readability.

        * config/arm/arm.h: Reformat for improved readability.
        Replace uses of fprintf with asm_fprintf where appropriate.
        (ARM_DECLARE_FUNCTION_NAME): New macro:  Perform any generic ARM
        function declaration assembler actions.
        (NUM_INTS): New macro: Convert from bytes to words.
        (NUM_REGS): New macro: Compute number of registers required to
        hold a quanitity of tyep MODE.
        (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
        types.
        (NUM_ARG_REGS): New macro: The number of argument registers
        available.
        (ARG_REGISTER): New macro: Compute the register number of the Nth
        argument register.
        (LAST_ARG_REGNUM): New macro: The number of the last argument
        register.
        (SP_REGNUM): New macro: Register number of the stack pointer.
        (FP_REGNUM): New macro: Register number of the frame pointer.
        (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
        FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
        CUMULATIVE_ARGS so that it counts registers not bytes.

        * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
        TARGET_INTERWORK.
        Replace uses of fprintf with asm_fprintf where appropriate.
        (output_ascii_pseudo_op): Replace with version from thumb.c

        * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.

        * config/arm/elf.h (CPP_PREDEFINES): Replace with
        SUBTARGET_CPP_SPEC.
        (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
        (ASM_FILE_START): Emit ASM_APP_OFF.

Fri Jul 16 13:48:09 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.c (compute_frame_size): Round frame according to
        STACK_BOUNDARY rather than a hardwired value.

        * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.

        * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
        of "1".
        * configure: Rebuilt.

        * configure.in (hppa*-*-linux*): New configuration.
        * configure: Rebuilt.
        * pa.h (MAX_OFILE_ALIGNMENT): Delete.
        * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
        * pa/pa-linux.h: New file.
        * pa/t-linux: New file.
        * pa/xm-linux.h: New file.

        * pa.c (hppa_legitimize_address): Change references from SImode to
        either Pmode or word_mode as appropriate.
        (emit_move_sequence, store_reg, load_reg): Likewise.
        (set_reg_plus_d, hppa_expand_prologue): Likewise.
        (output_mul_insn): Likewise.
        * pa.h (PROMOTE_MODE): Likewise.
        (INITIALZE_TRAMPOLINE): Likewise.
        (Pmode): Define to word_mode.

        * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
        value of 4.  Allocate 8 bytes for each FP register save.
        (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
        value of 4.
        (hppa_expand_prologue): Likewise.
        * pa.h (PROMOTE_MODE): Likewise.
        (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
        (FUNCTION_ARG_BOUNDARY): Likewise.

        * invoke.texi (HPPA Options): Remove -mspace/-mno-space.

        * pa.c (out_of_line_prologue_epilogue): Delete.
        (override_options): Remove -mspace related code.
        (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
        (compute_frame_size): Only allocate space for register that
        actually need to be saved.
        * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
        (TARGET_SWITCHES): Remove -mspace, -mno-space
        * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
        * pa/t-pro (LIB2FUNCS_EXTRA): Likewise.  Remove -mspace multilib.
        * pa/ee.asm, pa/ee_fp.asm: Delete.

        * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.

        * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
        directive in column zero.

Fri Jul 16 01:39:57 1999  Jeffrey A Law  (law@cygnus.com)

        * m68k.c (output_function_prologue): Fix computation of save mask
        when generating PIC code.

Thu Jul 15 15:40:09 1999  Jim Wilson  <wilson@cygnus.com>

        * tree.c (build_type_attribute_variant): Move current_obstack restore
        after build_qualified_type call.

1999-07-15  Mark Mitchell  <mark@codesourcery.com>

        * configure.in: Use t-iris6, even with GNU LD.
        * config/mips/iris6gld.h: Fix typo in linker spec.
        * config/mips/t-iris6gld: Remove.

Thu Jul 15 15:15:43 1999  David Edelsohn  <edelsohn@gnu.org>

        * rs6000.md (insv, extzv): Remove SImode dependence in named
        patterns.  Explicitly generate DImode RTL if PowerPC64 and
        operand is DImode.
        (insvdi): Reverse start and size in instruction template.

1999-07-12  Joseph S. Myers  <jsm28@cam.ac.uk>

        * invoke.texi: Typo fixes.

Wed Jul 14 23:28:06 1999  Jeffrey A Law  (law@cygnus.com)

        * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
        handle at this time instead of silently generating incorrect code.
        (gen_imagpart): Likewise.

        * reload.c (find_reloads): Emit a USE for a pseudo register without
        a hard register if we could not create an optional reload for the
        pseudo.

Wed Jul 14 23:45:48 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * c-typeck.c (output_init_element, process_init_element):
        When advancing constructor_unfilled_fields for a RECORD_TYPE,
        check for nameless bit fields.

Wed Jul 14 01:57:39 1999  Richard Henderson  <rth@cygnus.com>

        * regclass.c (scan_one_insn): Notice subregs that change the
        size of their operand.
        (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.

Wed Jul 14 01:41:42 1999  Jeffrey A Law  (law@cygnus.com)

        * configure.in (alpha*-*-*): Include alpha/t-ieee.
        * configure: Rebuilt.
        * alpha/t-ieee: New file.

Tue Jul 13 10:45:58 1999  Jeffrey A Law  (law@cygnus.com)

        * rs6000.c (find_addr_reg): Do not select r0 as an address
        register.

Tue Jul 13 00:46:18 1999  Philippe De Muyter  <phdm@macqel.be>

        * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.

Mon Jul 12 14:29:15 1999  Jeffrey A Law  (law@cygnus.com)

        * rs6000.md (movsf): Do not force easy FP constants into memory.

        * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
        immed_double_const to ensure they are properly truncated then
        sign extended.

Mon Jul 12 10:40:01 1999  Vladimir Makarov  <vmakarov@tofu.to.cygnus.com>

        * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
        always unless NO_DEBUG is used.  Compile this code
        unconditionally.
        (replace_symbols_in_block): Compile it unconditionally.

Sun Jul 11 12:32:32 1999  Jeffrey A Law  (law@cygnus.com)

        * configure.in (i?86-*-elf*): New target.
        * configure: Rebuilt.
        * i386/i386elf.h, i386/t-i386elf: New files.

Fri Jul  9 22:39:44 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * toplev.c (main): Don't complain about saying -gdwarf.
        (rest_of_compilation): Remove redundant code.

Fri Jul  9 19:08:55 1999  Jim Wilson  <wilson@cygnus.com>

        * unroll.c (unroll_loops): Don't delete named CODE_LABELs.

Fri Jul  9 18:54:18 1999  Felix Lee  <flee@cygnus.com>

        * config/i960/i960.c (ret_label): Change asm label from "LR:" to
        "Li960R:", to avoid name clash.

Fri Jul  9 10:48:28 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * loop.c (check_dbra_loop): When reversing a loop, delete all
        REG_EQUAL notes referencing the reversed biv except those which are
        for a giv based on it.

Fri Jul  9 03:51:52 1999  Jeffrey A Law  (law@cygnus.com)

        * version.c: Drop "gcc-" prefix from version #.

Thu Jul  8 18:06:30 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * dwarf2out.c (dwarf2out_line): Emit a line number comment after
        the label if we're being verbose.

Thu Jul  8 14:18:46 1999  Richard Henderson  <rth@cygnus.com>

        * m68k.c (output_function_prologue): Add pic register to mask
        if live and flag_pic.
        (output_function_epilogue): Likewise.

Thu Jul  8 12:55:12 1999  Jeffrey A Law  (law@cygnus.com)

        * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
        directives in column zero.

        * pa/elf.h (ASM_FILE_START): Define.
        * pa/som.h (ASM_FILE_START): Include .level directives.
        * pa/hpux10.h (ASM_FILE_START): Delete.
        * pa/hpux11.h (ASM_FILE_START): Delete.

        * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.

Thu Jul  8 18:03:19 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * reload1.c (choose_reload_regs): Never call remove_adress_replacements
        when reload_out equals reload_in.

Thu Jul  8 16:50:14 1999  Nick Clifton  <nickc@cygnus.com>

        * invoke.texi (Spec Files): New node: Describe the contents of
        spec files.

Thu Jul  8 10:28:25 1999  Craig Burley  <craig@jcb-sc.com>

        * invoke.texi (DEC Alpha Options): Put @end table at
        beginning of line, to avoid confusing texi2html.

Thu Jul  8 09:22:06 1999  Nick Clifton  <nickc@cygnus.com>

        * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
        introduced in previous delta.

Wed Jul  7 02:00:04 1999  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * reload1.c (gen_reload): When synthesizing a 3 operand add
        sequence, improve test for when to reload OP1 into the reload
        register instead of OP0.

Wed Jul  7 01:38:03 1999  Jim Wilson  <wilson@cygnus.com>

        * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.

1999-07-07  Manfred Hollstein  <mhollstein@cygnus.com>

        * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
        string literal.

Wed Jul  7 01:16:43 1999  Richard Henderson  <rth@cygnus.com>

        * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
        (va_dcl): Use __builtin_va_alist_t.

Wed Jul  7 01:14:42 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
        on the permanent_obstack.
        * dwarfout.c (output_type): Likewise.

Tue Jul  6 15:25:32 1999  Gavin Romig-Koch  <gavin@cygnus.com>

        * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
        Merged from c-typeck.c and cp/typeck.c.
        * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
        Merged into c-common.

Tue Jul  6 13:06:01 1999  Dave Brolley  <brolley@cygnus.com>

        * c-lex.c (errorcount): Declare it.
        (finish_parse): Update errorcount when using CPPLIB.

1999-07-06  Bruce Korb  <ddsinc09@ix.netcom.com>

        * fixinc/inclhack.def(end_else_label): Double the backslash so
        sed gets a chance to see it.
        * fixinc/inclhack.sh: regen
        * fixinc/fixincl.x: regen

Fri Jul  2 18:49:51 1999  Nick Clifton  <nickc@cygnus.com>

        Add framework to support armv5 architecture when it becomes
        available:

        * config/arm/arm.c (FL_ARCH5): New processor capability flag.
        (arm_arch5): New variable.
        (all_architectures): Add armv5 line.
        * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
        -march=armv5 is specified on the command line.
        (arm_arch5): Export this variable.
        * invoke.texi: Document new string accepted by -march= switch for
        ARM ports.

        * config/arm/arm.h: Replace use of constant 12 as a register
        number with IP_REGNUM.  Similarly 14 and LR_REGNUM.
        * config/arm/arm.c: Replace use of constant 12 as a register
        number with IP_REGNUM.  Similarly 14 and LR_REGNUM.

        * config/arm/elf.h: Tidy up.
        * config/arm/coff.h: Tidy up.

Thu Jul  1 19:08:13 1999  Mark P. Mitchell  <mark@codesourcery.com>

        * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
        * gcc/config/mips/t-iris6gld: New file.
        * gcc/config/mips/iris6gld.h: Likewise.

Fri Jul  2 13:23:39 1999  Gavin Romig-Koch  <gavin@cygnus.com>

        * c-decl.c (widest_integer_literal_type_node,
        widest_unsigned_literal_type) : New.
        (init_decl_processing): Handle/use the two new types.
        * c-common.c (type_for_size,type_for_mode) : Same.
        * c-lex.c (yylex) : Same.
        * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
        Same.
        * c-tree.h (widest_integer_literal_type_node,
        widest_unsigned_literal_type) : New.

Fri Jul  2 03:05:44 1999  Jeffrey A Law  (law@cygnus.com)

        * dwarfout.c (field_byte_offset): Correctly compute the object's
        byte offset for the first bit of a field which crosses an alignment
        boundary on a !BYTES_BIG_ENDIAN target.

Fri Jul  2 01:36:36 1999  Robert Lipe  <robertlipe@usa.net>

        * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
        ntohs.

Fri Jul  2 00:46:47 1999  Richard Henderson  <rth@cygnus.com>
                          Jeff Law <law@cygnus.com>

        * ginclude/varargs.h (va_dcl): Use word_mode for type of
        __builtin_va_list.

        * except.c: Include intl.h.
        (expand_eh_return): Set current_function_cannot_inline.
        (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
        * function.h (struct function): Add eh_return_stub_label.
        * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
        * Makefile.in (except.o): Depend on intl.h.

Fri Jul  2 00:04:23 1999  David Edelsohn  <edelsohn@gnu.org>

        * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
        same as offsettable in cases 1 and 2.

Thu Jul  1 20:54:10 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
        (extlh, extwh): Likewise.

Thu Jul  1 11:05:25 1999  Gavin Romig-Koch  <gavin@cygnus.com>

        * c-lex.c (yylex): Improve 'integer constant out of range' messages.

Wed Jun 30 16:51:41 1999  Nick Clifton  <nickc@cygnus.com>

        * configure.in: Add arm-pe and thumb-pe targets.
        * configure: Regenerate.

        * thumb.c (arm_naked_function_p): New function: Determines if
        a function is naked (has no gcc generated prologue/epilogue).
        (is_called_in_ARM_mode): Return true if the func has the
        interfacearm attribute.
        (output_return): Do not generate a return for naked functions.
        (thumb_function_prologue): Do not generate a prologue for
        naked functions.
        (thumb_expand_prologue): Do not generate a prologue for naked
        functions.
        (thumb_expand_epilogue): Do not generate an epilogue for naked
        functions.
        (arm_valid_machine_decl_attribute): New function, copied from
        arm.c:  Permit naked and interfacearm attributes.

        * config/arm/pe.c: New file: Support code for arm-pe target.
        * config/arm/pe.h: New file: Header file for arm-pe target.
        * config/arm/tpe.h: New file: Header file for thumb-pe target.
        * config/arm/t-thumb-pe: New file: Makefile fragment for
        thumb-pe target.

1999-07-01  Mark Kettenis  <kettenis@gnu.org>

        * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
        -fPIC or -fpic is specified.

Wed Jun 30 03:31:54 1999  Jeffrey A Law  (law@cygnus.com)

        * expr.c (emit_block_move): Use copy_to_mode_reg for
        !TARGET_MEM_FUNCTIONS case too.

        * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
        appropriate.
        * configure: Rebuilt.
        (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
        * pa.h: Include dbxelf.h.  Delete various dbx/stabs related
        definitions made redundant by dbxelf.h inclusion.  Delete
        lots of definitions related to assembly output that are
        specific to the SOM object format.
        * pa.c (output_function_prologue): Do not emit the function's
        name for OBJ_ELF.
        * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
        * pa-pro.h: Deleted.
        * som.h: New file with SOM specific definitions.
        * elf.h: New file with ELF specific definitions.

        * elfos.h (const_section): Output a tab before assembler directives.
        (ctors_section, dtors_section): Likewise.
        (ASM_OUTPUT_SECTION_NAME): Likewise.

        * pa/pa1.h: Delete unused file.

Tue Jun 29 01:37:53 1999  Jeffrey A Law  (law@cygnus.com)

        * configure.in (hppa*-hp-hpux11*): New configuration.
        * configure: Rebuilt.
        * pa/pa-hpux11.h: New file.
        * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
        command line.

        * mips.md (leasi, leadi): New patterns.

        * expr.c (emit_block_move): Properly handle case where one of the
        block move arguments has a queued increment or decrement.
        (clear_storage): Similarly.  Fix formatting goof.

1999-06-28  "David O'Brien"  <obrien@NUXI.com>

        * fixinc/inclhack.def(stdio_va_list): This patch Removes a
        semicolon from the BSD VA_LIST replacement expression.

        * fixinc/inclhack.sh: regen
        * fixinc/fixincl.x: regen

        * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
        now use the fixincl program.

Mon Jun 28 05:28:12 1999  Jeffrey A Law  (law@cygnus.com)

        * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
        case.  Also make the PIC register call_used.

        * m68k.h (FINALIZE_PIC): Delete.
        * m68k.c (finalize_pic): Delete.

Mon Jun 28 05:16:35 1999  Richard Henderson  <rth@cygnus.com>

        * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
        to memory.

Mon Jun 28 04:07:27 1999  David Edelsohn  <edelsohn@gnu.org>

        * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.

Sun Jun 27 02:39:08 1999  Richard Henderson  <rth@cygnus.com>

        * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.

Sat Jun 26 17:18:18 1999  David Edelsohn  <edelsohn@gnu.org>

        * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.

Fri Jun 25 11:33:24 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.

Fri Jun 25 13:41:25 1999  David Edelsohn  <edelsohn@gnu.org>

        * rs6000.c (output_toc): Always use hex values for floating-point
        constants.  Store single-precision values in upper-half of TOC
        entry in 64-bit mode.
        * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
        to final constraints.
        (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
        (fctiwz): Improve accuracy of RTL for pattern.

Fri Jun 25 11:26:38 1999  Gavin Romig-Koch  <gavin@cygnus.com>

        * expr.c (expand_expr): Allow RTL_EXPR's through the
        MAX_INTEGER_COMPUTATION_MODE checks.

Fri Jun 25 06:06:37 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
        such that MASK_SUPPORT_ARCH is not negative.

Fri Jun 25 05:35:44 1999  Jeffrey A Law  (law@cygnus.com)

        * loop.c (verify_dominator): Properly handle ADDR_VEC and
        ADDR_DIFF_VEC insns that appear inside loops.

Thu Jun 24 22:54:05 1999  David Edelsohn  <edelsohn@gnu.org>
                          Jeff Law <law@cygnus.com>

        * rs6000.md (movdf_hardfloat32): Revert previous patch.
        Handle LO_SUM the same as offsettable in cases 1 and 2.
        * rs6000.c (find_addr_reg): Revert previous patch.

Thu Jun 24 22:43:12 1999  Philippe De Muyter  <phdm@macqel.be>

        * system.h (strstr): New external function declaration.
        * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
        * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
        * config.in, configure: Rebuilt.

1999-06-24  Tom Tromey  <tromey@cygnus.com>

        * gcc.c (main): Read user-specified specs files after computing
        additional startfile_prefixes.

Thu Jun 24 15:00:47 1999  Mark Mitchell  <mark@codesourcery.com>

        Revert these two patches:

        Thu Jun 17 21:34:24 1999  J"orn Rennecke <amylaar@cygnus.co.uk>
        * loop.c (strength_reduce): When doing biv->giv conversion, update
        reg note of NEXT->insn.

        Thu Jun 17 17:22:07 1999  J"orn Rennecke <amylaar@cygnus.co.uk>
        * loop.c (strength_reduce): When doing biv->giv conversion, fix up
        reg_biv_class.
        (recombine_givs): Set ix field after sorting.

Wed Jun 23 21:26:00 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
        for the parts of an UNSPEC / UNSPEC_VOLATILE.

1999-06-23  Bruce Korb  <ddsinc09@ix.netcom.com>

        *fixinc/inclhack.def:  Add fix development commentary
        (read_ret_type): reactivate and add selection clause
        (zzz_*): tweak output file name to match what is used in hackshell.tpl
        *fixinc/{fixincl.x|inclhack.sh}: regen

Wed Jun 23 00:48:21 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * expr.c (expand_expr): STRIP_NOPS before checking against
        MAX_INTEGER_COMPUTATION_MODE
        (check_max_integer_computation_mode): Likewise.

Tue Jun 22 20:23:43 1999  Jim Wilson  <wilson@cygnus.com>

        * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.

1999-06-22  Jim Wilson  <wilson@cygnus.com>

        * expr.c (store_expr): When target is a promoted subreg, return a
        promoted subreg as a result.

Tue Jun 22 17:14:58 1999  Michael Meissner  <meissner@cygnus.com>

        * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
        coding standards.
        (dwarf2out_define): Mark unused parameters appropriately.
        (gen_unspecified_parameters_die): Ditto.
        (gen_subprogram_die): Fix signed/unsigned warnings.
        (gen_variable_die): Ditto.

1999-06-22  Bruce Korb <ddsinc09@ix.netcom.com>

        * fixinc/inclhack.def(end_else_label): combined else_label
        and endif_label and fixed the sed expression.
        *fixinc/{fixincl.x|inclhack.sh}: regen

Tue Jun 22 01:58:18 1999  Jeffrey A Law  (law@cygnus.com)

        * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
        'x' when handling non-offsettable addresses

Tue Jun 22 00:20:05 1999  Richard Earnshaw (rearnsha@arm.com)

        * final.c (shorten_branches): Don't try to split an insn that has
        been deleted.

Mon Jun 21 12:47:39 1999  Mark Mitchell  <mark@codesourcery.com>

        * config/mips/mips.c (symbolic_expression_p): New function.
        (mips_select_rtx_section): Put symbolic expressions in the
        data section, not the read-only data section.

Mon Jun 21 22:13:06 1999  Jeffrey A Law  (law@cygnus.com)

        * rs6000.md (find_addr_reg): Handle LO_SUM addresses.

Mon Jun 21 20:10:42 1999  Richard Henderson  <rth@cygnus.com>

        * collect2.c (main): Log frame table count.
        (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
        (scan_prog_file) [COFF]: Handle frame tables.

        * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
        (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
        * alpha/elf.h: Undef them again.
        * alpha/vms.h: Remove their definitions.

Tue Jun 22 03:17:53 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
        remove the clobber of r0 and change the REG_UNUSED note to
        REG_INC.

1999-06-21  Jakub Jelinek  <jj@ultra.linux.cz>

        * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
        * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
        fits in HOST_WIDE_INT and one uses union to access a long constant
        as double.

Mon Jun 21 17:18:25 1999  Richard Henderson  <rth@cygnus.com>

        * sparc.c (sparc_override_options): Don't allow profiling for
        code models other than medlow.
        (sparc_function_profiler): New function from old FUNCTION_PROFILER
        macro.  Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
        (sparc_function_block_profiler): Likewise.  Use user_label_prefix.
        (sparc_block_profiler): Likewise.
        (sparc_function_block_profiler_exit): Likewise.
        * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
        (FUNCTION_BLOCK_PROFILER): Likewise.
        (BLOCK_PROFILER): Likewise.
        (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
        (MCOUNT_FUNCTION): New.
        * sparc/pbd.h (FUNCTION_PROFILER): Delete.
        (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
        * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
        (MCOUNT_FUNCTION): New.
        * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
        (BLOCK_PROFILER): Delete.
        (MCOUNT_FUNCTION): New.

Mon Jun 21 14:11:29 1999  David Edelsohn  <edelsohn@gnu.org>

        * rs6000.md (movdf_hardfloat32): Fix typo in case 2.

Mon Jun 21 12:27:17 1999  Vladimir Makarov  <vmakarov@tofu.to.cygnus.com>

        * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
        Add the macros.

        * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
        Ditto.

        * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
        Ditto.

        * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
        Ditto.

Mon Jun 21 14:58:42 1999  Nick Clifton  <nickc@cygnus.com>

        * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
        types.

Mon Jun 21 06:22:21 1999  Mark Elbrecht <snowball3@bigfoot.com>

        * i386/djgpp.h (LIB_SPEC): New.
        (STARTFILE_SPEC): New.

        * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.

Mon Jun 21 06:19:33 1999  Philippe De Muyter  <phdm@macqel.be>

        * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
        compiler flags.

        * system.h (WSTOPSIG): New macro.

Mon Jun 21 05:33:15 1999  Mumit Khan  <khan@xraylith.wisc.edu>

        * c-pragma.c (push_alignment): Don't ignore alignments greater than
        4 bytes.
        (insert_pack_attributes): Take into account member natural
        alignment.

        * i386/winnt.c (exports_head): New static variable.
        (i386_pe_record_exported_symbol): New function.
        (i386_pe_asm_file_end): Use.
        * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
        symbols to be emitted at end of assembly.
        (ASM_DECLARE_OBJECT_NAME): Likewise.
        (ASM_DECLARE_FUNCTION_NAME): Likewise.

        * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
        -iwithprefix.

Mon Jun 21 04:44:31 1999  Jeffrey A Law  (law@cygnus.com)

        * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
        in last change.

Sun Jun 20 17:27:20 1999  Richard Henderson  <rth@cygnus.com>

        * haifa-sched.c (sched_analyze_1): Use free_list instead of
        zapping reg_last_uses directly.
        (sched_analyze_2, sched_analyze_insn): Likewise.
        (sched_analyze): Likewise.  Don't clear reg_last_uses on calls.

Sun Jun 20 16:57:29 1999  David Edelsohn  <edelsohn@gnu.org>

        * rs6000.md (movdf_hardfloat32): Use worst case insn length
        attributes for cases 1 and 2.

Sat Jun 19 22:52:55 1999  Richard Henderson  <rth@cygnus.com>

        * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
        instead of set.

Sat Jun 19 05:40:07 1999  Philip Blundell <pb@nexus.co.uk>

        * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.

Sat Jun 19 05:25:05 1999  Richard Earnshaw (rearnsha@arm.com)

        * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
        PIC_OFFSET_TABLE_REGNUM for general alloaction.
        (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
        must be stacked if it is used for PIC accesses.
        * arm.c (use_return_insn): Handle PIC register specially.
        (output_return_instruction): Likewise.
        (output_func_{prologue,epilogue}): Likewise.
        (output_expand_prologue): Likewise.

        * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
        (*strsi_predec): Renamed from *strqi_predec.
        (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
        (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.

        * arm.c (arm_override_options): Remove warning about PIC code
        not being supported.

Fri Jun 18 23:47:06 1999  David Edelsohn  <edelsohn@gnu.org>

        * rs6000.c (find_addr_reg): New function.
        * rs6000.h (find_addr_reg): Declare.
        (offsettable_addr_operand): Delete.
        * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
        from and stores to GPRs.

Fri Jun 18 15:44:18 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.c (alpha_expand_block_move): Use get_insns rather than
        gen_sequence as argument to emit_no_conflict_block.

Fri Jun 18 07:02 1999  Bruce Korb <ddsinc09@ix.netcom.com>

        * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
        * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
        *fixinc/fixincl.x: regen
        *fixinc/inclhack.sh: regen

Thu Jun 17 15:06:10 PDT 1999 Don Lindsay  <dlindsay@cygnus.com>

        * added support for -mpcrel (PC relative addressing for m68k)
        based on code done by Michael Tiemann  <tiemann@axon.cygnus.com>.
        * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
        * m68k.c (print_operand_address): Handle 32-bit PIC case.
        (comments for general_src_operand): Add some explanation
        about EXTRA_CONSTRAINTS.
        (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
        * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
        (LEGITIMATE_PIC_OPERAND_P): Fix typo.
        (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
        * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
        (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
        (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
        if not already set.
        (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
        * m68k.h (TARGET_PCREL): New target flag.
        (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
        (OVERRIDE_OPTIONS): Add checks for -mpcrel.
        (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
        contains a SYMBOL_REF.  Relax this constraint during reload, since
        we want to use the predicates, not reload's built-in concept of a
        valid memory address, to control what insns need reloading.
        (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
        operands (essentially 'g', 'm', and 's' under normal circumstances).
        * m68k.c (print_operand): Cause printing of pc-relative addresses
        to include pc register.
        (print_operand_address): Ditto.
        (general_src_operand): Accept operands that are not only
        general_operands, but are also valid when used as a pc-relative
        source.
        (nonimmediate_src_operand): Similar, for nonimmediate_operands.
        (memory_src_operand): Similar, for memory_operands.
        (pcrel_address): New predicate to accept the special case of a
        pc-relative address.
        * m68k.md (many patterns): Rewrite common SImode, HImode, and
        QImode insns to accept *_src_operand instead of *_operand where
        pc-relative operands can fit.  For example, a pc-relative operand
        can be used as a memory source operand for addsi3, but not as a
        memory destination.
        * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.

Fri Jun 18 09:11:07 1999  Nick Clifton  <nickc@cygnus.com>

        * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
        .thumb_set pseudo op to mark aliases of thumb functions.

Wed Jun 16 18:19:13 1999  Nick Clifton  <nickc@cygnus.com>

        * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
        preference to ASM_OUTPUT_DEF, if it is defined.

        * tm.texi: Document new, optional target macro
        ASM_OUTPUT_DEF_FROM_DECLS.

Thu Jun 17 15:07 1999  Bruce Korb <ddsinc09@ix.netcom.com>

        * fixincludes: ISCNTL patch
        * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
        (dgux_int_varargs): new for DG/UX
        * fixinc/{fixincl.x,inclhack.sh}: Regenerated.

Thu Jun 17 21:34:24 1999  Jeff Law <law@cygnus.com>

        * invoke.texi (ia32 options): Fix typo.

Thu Jun 17 21:34:24 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

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

Thu Jun 17 14:25:08 1999  Jeffrey A Law  (law@cygnus.com)

        * loop.c (move_movables): Note issues with replacing REGs with
        SUBREGs.
        * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.

Thu Jun 17 13:28:30 1999  David O'Brien <obrien@FreeBSD.org>

        * i386/freebsd-elf.h (LINK_SPEC): Fix typo.

        * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
        the reference to `mcount' was not correct for the ELF on FreeBSD.

Thu Jun 17 17:22:07 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

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

        (recombine_givs): Set ix field after sorting.

Thu Jun 17 02:54:30 1999  Jeffrey A Law  (law@cygnus.com)

        * emit-rtl.c (operand_subword): Tighten checks for when it is safe
        to safe to extract a subword out of a REG.

Thu Jun 17 01:45:24 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * sh.md (mulsi3): Don't add a no-op move at the end.

Wed Jun 16 20:29:00 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * cse.c (cse_insn): Don't put hard register source into tables for
        the last insn of a libcall.

Wed Jun 16 19:44:33 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * loop.c (strength_reduce): Insert sets of derived givs at every
        biv increment, even if it's the only one.

Wed Jun 16 10:33:02 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * dwarfout.c (add_incomplete_type): New fn.
        (output_type): Call it.
        (retry_incomplete_types): New fn.
        (dwarfout_finish): Call it.

        From Eric Raskin <ehr@listworks.com>:
        (output_type): Output types for bases.

Tue Jun 15 12:51:23 1999  Alexandre Oliva  <oliva@dcc.unicamp.br>

        * mips.c (mips_output_conditional_branch): Add `break'
        between `default' label and `close braces'.

Tue Jun 15 01:55:20 1999  David O'Brien <obrien@FreeBSD.org>

        * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
        specifications and make it realistic.
        (LIB_SPEC): Likewise.

Mon Jun 14 15:38:43 1999  Jim Wilson  <wilson@cygnus.com>

        * config/mips/mips.c (mips_secondary_reload_class): Check for
        (PLUS (SP) (REG)) and return appropriate register class.
        * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
        Handle (PLUS (SP) (REG)).
        (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
        (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
        of emit_insn for tablejump.

Mon Jun 14 17:26:40 1999  David Edelsohn  <edelsohn@gnu.org>

        * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
        asm_fprintf format string by itself.
        (output_function_profiler): Likewise.

Mon Jun 14 12:57:38 1999  David Mosberger  <davidm@hpl.hp.com>

        * combine.c (simplify_logical, case AND): Only call
        simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
        or the constant is positive.

Mon Jun 14 11:43:41 1999  Nick Clifton  <nickc@cygnus.com>

        * configure.in: Fix typo in rs6000-ibm-aix4 case.
        * configure: Regenerate.

Mon Jun 14 03:55:40 1999  Jeffrey A Law  (law@cygnus.com)

        * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
        require a sub-version #.
        * configure: Rebuilt.

1999-06-14  Robert Lipe  (robertlipe@usa.net)

        * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.

Mon Jun 14 10:30:52 BST 1999  Nathan Sidwell  <nathan@acm.org>

        * c-typeck.c (process_init_element): Detect excess elements in
        char array initializer.

1999-06-14  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

        * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.

Sat Jun 12 22:29:48 EDT 1999  Jerry Quinn <jquinn@nortelnetworks.com>

        * invoke.texi (Option Summary): Add -fpermissive flag.

Sat Jun 12 03:40:42 1999  Jeffrey A Law  (law@cygnus.com)

        * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
        that require PIC code sequences.

Wed Jun  9 16:29:01 1999  Nick Clifton  <nickc@cygnus.com>

        * configure.in: Add new target: thumb-elf.
        * configure: Regenerate.
        * config/arm/t-thumb-elf: New file: Makefile fragment for
        thumb-elf build.
        * config/arm/telf.h: New file: Header file for thumb-elf
        build.

Fri Jun 11 03:17:51 1999  Jeffrey A Law  (law@cygnus.com)

        * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
        * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
        initializers is some circumstances.

        * fixinc/inclhack.def (endif_label): Add additional selector for
        more bogus stuff after #endif statements.
        * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.

Thu Jun 10 20:44:36 1999  Mumit Khan  <khan@xraylith.wisc.edu>

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

Thu Jun 10 20:37:57 1999  Mumit Khan  <khan@xraylith.wisc.edu>

        * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.

Thu Jun 10 19:23:00 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
        latter.

        * sh.md (ic_invalidate_line_i): Remove second alternative.

Thu Jun 10 06:55 1999  Bruce Korb <ddsinc09@ix.netcom.com>

        *fixinc/inclhack.def(sun_auth_proto): We do not know how to
        test for the presence of valid prototypes.  Delete bypass expr.
        (ioctl_fix_ctrl): Correct the selection expression.
        (no_double_slash): Correct quoting rules
        *fixinc/fixincl.x: regen
        *fixinc/inclhack.sh: regen

Thu Jun 10 15:08:15 1999  Nick Clifton  <nickc@cygnus.com>

        * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.

Wed Jun  9 15:57:57 1999  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * rs6000.md (movsi_got_internal_mem): Delete.
        * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
        (GOT_TOC_REGNUM): Delete.
        (PIC_OFFSET_TABLE_REGNUM): Define.
        (FINALIZE_PIC): Disable.
        * rs6000.c (rs6000_got_register): New code for fixed pic register.
        (rs6000_replace_regno): Delete.
        (rs6000_finalize_pic): Likewise.
        (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.

Wed Jun  9 19:44:26 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * loop.c (loop_insn_first_p): Don't compare LUIDs when P
        is a note; use <= for the compare; advance P while it is
        a NOTE.

Wed Jun  9 13:12:24 1999  Jeffrey A Law  (law@cygnus.com)

        * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
        * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.

        * varasm.c (remove_from_pending_weak_list): Verify t->name
        is non-NULL before passing it to strcmp.

Wed Jun  9 06:50 1999  Bruce Korb <ddsinc09@ix.netcom.com>

        *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
        the typed arguments are not part of a comment
        (ioctl_fix_ctrl): Added a purpose comment
        *fixinc/fixincl.x: regenerate
        *fixinc/inclhack.sh: regenerate

Wed Jun  9 22:57:02 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * invoke.texi: Add C4x invocation docs.

Wed Jun  9 22:34:38 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
        Define new macros.
        * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
        TARGET_EXPOSE_LDP.
        (c4x_legitimize_reload_address): New function.
        * config/c4x/c4x.md: Update docs.

Wed Jun  9 04:14:48 1999  Jeffrey A Law  (law@cygnus.com)

        * fixincludes: Avoid removing '.'.
        * fixinc/fixinc.svr4: Likewise.
        * fixinc/fixinc.winnt: Likewise.
        * fixinc/inclhack.tpl: Likewise.
        * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.

1999-06-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
        pattern.
        * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.

Wed Jun  9 03:10:34 1999  Mumit Khan  <khan@xraylith.wisc.edu>

        * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
        correctly.

Tue Jun  8 13:06:15 1999  Jim Wilson  <wilson@cygnus.com>

        * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
        * configure: Regenerate.

Tue Jun  8 05:47:48 1999  Richard Earnshaw (rearnsha@arm.com)

        * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
        values.

Mon Jun  7 22:30:37 1999  Jeffrey A Law  (law@cygnus.com)

        * fixinc/inclhack.def (avoid_bool): Also catch
        "typedef [unsigned] int bool".
        * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.

        * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
        * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
        * configure: Rebuilt.

Mon Jun  7 22:05:03 1999  Mark Kettenis  <kettenis@gnu.org>

        * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
        such that we can override its definitions if necessary.
        (CPP_SPEC): New define.  Support processor specific predefines via
        %(cpp_cpu).
        (CC1_SPEC): New define.  Support processor specific compiler
        options via %(cc1_cpu).
        (STARTFILE_SPEC): New define.  Use crt0.o instead of crt1.o for
        -static.

1999-06-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
        between sed's -e flag, and the open-quote following it.
        * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.

Mon Jun  7 20:34:20 1999  Robert Lipe <robertlipe@usa.net>
                          Jeffrey A Law  (law@cygnus.com)

        * varasm.c (assemble_start_function): Remove the function
        from the pending weak decls list when we define a function.
        (assemble_variable): Similarly for variables.
        (weak_finish): Ignore items on the list with a NULL name.
        (remove_from_ending_weak_list); New function to "remove" an item
        from the pending weak declarations list.

Mon Jun  7 19:27:07 1999  Jerry Quinn <jquinn@nortelnetworks.com>

        * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.

Mon Jun  7 14:07:39 1999  Dave Brolley  <brolley@cygnus.com>

        * c-lex.c (GETC): Redefine to call getch.
        (UNGETC): Redefine to call put_back.
        (putback_buffer): New structure type.
        (putback): New static structure.
        (getch): New function.
        (put_back): New function.
        (yylex): Replace unused bytes from bad multibyte character.

Mon Jun  7 13:33:39 1999  Dave Brolley  <brolley@cygnus.com>

        * cpplib.c (do_define): Cast `alloca' return value.
        (do_include, do_undef, do_pragma): Likewise.
        * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
        values.
        * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
        * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.

Sun Jun  6 11:58:34 1999  Jakub Jelinek  <jj@ultra.linux.cz>

        * sparc.md (abstf2): This should be an expand.
        (split after abstf2_notv9): Fix mode.
        (abstf2_hq_v9): New pattern.
        (abstf2_v9): Only use when no hard quad.
        (absdf2_v9): Fix if target is not the same as source.
        (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
        Add correct output constraints.

Sat Jun  5 17:04:16 1999  Craig Burley  <craig@jcb-sc.com>

        From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
        * invoke.texi: Clarify text vis-a-vis Intel CPUs.

Sat Jun  5 12:11:24 1999  Mark Mitchell  <mark@codesourcery.com>

        * mips.h (mips_output_conditional_branch): New function.
        (mips_adjust_insn_length): Likewise.
        (ASSEMBLER_SCRATCH_REGNUM): New macro.
        (ADJUST_INSN_LENGTH): Likewise.
        * mips.c (print_operand): Add `F' and `W' for floating-point
        comparison opcodes.
        (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
        are now in bytes.
        (mips_adjust_insn_length): New function.
        (mips_output_conditional_branch): New function.
        * mips.md (length): Adjust attribute definition to handle
        conditional branches.   Change lengths to bytes, rather than
        instructions throughout.  Remove length attribute from
        instructions whose length is four bytes, and rely on the default
        instead.
        (dslot): Fix typo in comment.
        Reword conditional branch patterns to use
        mips_output_conditional_branch.

Fri Jun  4 13:30:27 1999  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
        (LIB_SPEC): Likewise.
        Link with -lprof1_r for -g/-pg.

1999-06-04  Andreas Schwab  <schwab@issan.cs.uni-dortmund.de>

        * loop.c (check_dbra_loop): Fix change of Jan 19.

Fri Jun  4 00:12:40 1999  Marc Espie <espie@cvs.openbsd.org>

        * freebsd-elf.h (SWITCH_TAKES_ARG):  Redefine, not define.
        (STARTFILE_SPEC):  Define, override the svr4.h version.
        (ENDFILE_SPEC):  Likewise.

Thu Jun  3 23:58:55 1999  Jeffrey A Law  (law@cygnus.com)

        * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
        * fixinc/fixincl.x: Regenerated.
        * fixinc/inclhack.sh: Regenerated.

Fri Jun  4 05:42:23 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * sh.c (barrier_align): Don't return early for normal branch/barrier
        when optimizing for SH2.

Thu Jun  3 22:27:50 1999  Robert Lipe  <robertlipe@usa.net>

        * i386/udk.h (LINK_SPEC): Correct linker search path for
        system libraries.

Fri Jun  4 03:20:40 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
        (braf_label_ref_operand): Delete.
        * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
        * sh.md (casesi_jump_2): Operand1 is now the inside of a
        label_ref, and has no predicate.
        The patten has a predicate to guard against invalid substitutions.
        (dummy_jump): Delete.
        (casesi): Update use of casesi_jump_2.

Thu Jun 3 07:48 1999  Bruce Korb <ddsinc09@ix.netcom.com>

        *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
        *fixinc/fixincl.x: regenerate
        *fixinc/inclhack.sh: regenerate

Thu Jun  3 02:15:07 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * dwarf2out.c (add_incomplete_type): New fn.
        (gen_struct_or_union_type_die): Call it.
        (retry_incomplete_types): New fn.
        (dwarf2out_finish): Call it.

Thu Jun  3 01:19:03 1999  Jeffrey A Law  (law@cygnus.com)

        * gcse.c (insert_insn_end_bb): Correct placement of insns when the
        current block starts with a CODE_LABEL and ends with a CALL and
        we can not find all the argument setup instructions for the CALL.

Wed Jun  2 15:44:15 1999  Mark Mitchell <mark@codesourcery.com>

        Revert this change:
        * fold-const.c (fold): STRIP_NOPS when deciding whether or not
        something is a candidate for optimize_bit_field_compare.

Wed Jun  2 21:53:05 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.

Wed Jun  2 12:25:55 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.c (override_options): Thinko in last patch.

        * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
        (LIB_SPEC): Recognize -pthread.

Wed Jun  2 08:42:55 1999  Nick Clifton  <nickc@cygnus.com>

        * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
        definition in config/arm/coff.h
        * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.

Wed Jun  2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>

        * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
        fixes that need "file=xxx\n" prepended before invocation
        (start_fixer - new): starting the fixer process is complex enough
        to warrent its own routine.  It prepends the "file=xxx\n" stuff.
        (process): uses the new routine; omit usage of putenv()
        * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
        * fixinc/fixincl.x: regenerate

Wed Jun  2 02:29:07 1999  Jeffrey A Law  (law@cygnus.com)

        * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
        and version #s (1.1 -> 2.96) as needed.
        * README.g77: Kill way out of date file in the toplevel directory.

Wed Jun  2 00:52:34 1999  David O'Brien <obrien@FreeBSD.org>

        * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
        i386/freebsd-elf.h no longer requires it.  Instead include svr4.h.
        * configure: Rebuilt.
        * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
        (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
        (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
        (SWITCH_TAKES_ARG): Likewise.
        * i386/freebsd.h: Remove FREEBSD_NATIVE support.
        * config/t-freebsd: Moved from config/i386/ so it can used for all
        FreeBSD targets.

Mon May 31 02:22:55 1999  Philippe De Muyter  <phdm@macqel.be>

        * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.

Wed Jun  2 00:08:34 1999  Robert Lipe  <robertlipe@usa.net>

        * configure.in (i[34567]86-*-udk*): Install headers with cpio.
        * configure: Rebuilt.

Tue Jun  1 19:06:22 1999  David Edelsohn  <edelsohn@gnu.org>

        * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
        * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
        * rs6000/rs6000.c (rs6000_file_start): Use putc.
        (rs6000_output_load_toc_table): Same.
        (output_prolog, output_mi_thunk): Same.
        * rs6000/rs6000.h (SELECT_SECTION): Formatting.
        (ASM_GLOBALIZE_LABEL): Use putc.

Mon May 31 15:23:23 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.md (reload_*_help): New patterns and splitters.
        (reload_*): Use them.
        (mov[qh]i): Likewise.

Mon May 31 11:48:07 1999  Mark Mitchell  <mark@codesourcery.com>

        * cccp.c (handle_directive): Handle backslash-newlines in quoted
        strings correctly.

Mon May 31 09:36:11 1999  Cort Dougan  <cort@cs.nmt.edu>

        * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.

Mon May 31 11:40:20 EDT 1999  John Wehle  (john@feith.com)

        * flow.c (mark_regs_live_at_end, insn_dead_p,
        mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
        and HARD_FRAME_POINTER_REGNUM special treatment if reload
        hasn't run or the frame pointer is needed.
        * haifa-sched.c (attach_deaths): Likewise.
        * sched.c (attach_deaths): Likewise.

Mon May 31 00:46:17 1999  Jeffrey A Law  (law@cygnus.com)

        * jump.c (jump_optimize_1): Only set CAN_REACH_END if
        calculate_can_reach_end returns nonzero.

        * configure.in (native gas tests): Search for an assembler in the
        same manner that the installed compiler will.
        * configure: Rebuilt.
        * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.

        * alias.c (find_base_term): Improve handling of addresses
        constructed from binary operations.

Sun May 30 14:29:17 1999  Eric Raskin (ehr@listworks.com)

        * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.

Sun May 30 14:19:13 1999  Jeffrey A Law  (law@cygnus.com)

        * function.h (cleanup_label, frame_offset): Declare.
        (tail_recursion_label, tail_recursion_reentry): Likewise.
        (arg_pointer_save_area, rtl_expr_chain): Likewise.
        * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
        (tail_recursion_label, tail_recursion_reentry): Likewise.
        (arg_pointer_save_area, rtl_expr_chain): Likewise.

Sat May 29 19:08:10 1999  Philip Blundell  <philb@gnu.org>

        * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
        defined.
        * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
        (MAX_OFILE_ALIGNMENT): Define.

Fri May 28 21:40 1999  Robert Lipe <robertlipe@usa.net>

        * fixincl.c: Replace local include scheme with #includes of
        gansidecl.h and system.h.
        * procopen.c:  Likewise.
        * server.c:  Likewise.

Fri May 28 03:47:03 1999  Eric Raskin (ehr@listworks.com)

        * i386/t-dgux (EXTRA_PARTS): Add crti.o
        (crti.o): Add build rule and dependencies.
        * fixinc/fixinc.dgux:  Use modified _int_varargs.h

Fri May 28 03:41:02 1999  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
        (LIB_LINUX_SPEC): Likewise.
        (LIB_LINUX_SPEC): Add support for -pthread
        (CPP_OS_LINUX_SPEC): Likewise.
        (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
        specified.

Thu May 27 13:04:52 1999  H.J. Lu  (hjl@gnu.org)

        * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
        conditional move.
        (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
        (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
        for IEEE math and CC_FCOMI.
        (put_jump_code): No IEEE if CC_FCOMI is set.

1999-05-27  Andreas Schwab  <schwab@issan.cs.uni-dortmund.de>

        * fold-const.c (fold_truthop): Make the field reference unsigned
        when converting a single bit compare.

Thu May 27 02:40:48 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * loop.c (strength_reduce): Don't do biv->giv conversion on constants.

Thu May 27 02:09:27 1999  Jeffrey A Law  (law@cygnus.com)

        * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
        * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
        version did.

        * reload.c (push_reload): Do not call remove_address_replacements
        when presented with identical optional reloads.

Wed May 26 14:18:05 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.h (MASK_FIX, TARGET_FIX): New.
        (MASK_*): Reorganize constants.
        (CPP_AM_FIX_SPEC): New.
        (TARGET_SWITCHES): Add FIX.
        (EXTRA_SPECS): Likewise.
        (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
        (SECONDARY_MEMORY_NEEDED): Likewise.
        (REGISTER_MOVE_COST): Likewise.
        * alpha.c (override_options): Add FIX support.  Always use
        ALPHA_TP_PROG for ev6.
        * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
        * alpha/elf.h (ASM_FILE_START): Look at FIX too.
        * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.

Wed May 26 09:53:05 1999  Mark Mitchell  <mark@codesourcery.com>

        * fold-const.c (fold): STRIP_NOPS when deciding whether or not
        something is a candidate for optimize_bit_field_compare.

Wed May 26 09:40:02 1999  Mark Mitchell  <mark@codesourcery.com>

        * gcc.texi (Passes): Document branch-shortening.
        * invoke.texi (Debugging Options): Document the fact that `-dp'
        outputs length information for instructions.

Wed May 26 08:49:31 1999  Nick Clifton  <nickc@cygnus.com>

        * flow.c: Revert previous delta.

Wed May 26 06:05:10 1999  Nick Clifton  <nickc@cygnus.com>

        * flow.c (insn_dead_p): Check against frame_pointer_rtx not
        FRAME_POINTER_REGNUM.
        (mark_set_1): Ditto.
        (mark_used_regs): Ditto.

Wed May 26 02:19:31 1999  Philip Blundell  <pb@nexus.co.uk>

        * arm.h (NEED_PLT_GOT): Fix mistake in last change.
        (GOT_PCREL): New macro.  Define to 1 if not already defined.
        * arm/elf.h (GOT_PCREL): Define to 0.
        * arm.c (arm_finalize_pic): Take into account the setting of
        GOT_PCREL.

Tue May 25 14:06:06 1999  Jeffrey A Law  (law@cygnus.com)

        * output.h (STRIP_NAME_ENCODING): Provide default definition.
        * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.

        * flow.c (mark_set_1): Do not record BLKmode stores as dead
        store elimination candidates.

Tue May 25 08:55:57 1999  Gavin Romig-Koch  <gavin@cygnus.com>

        * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
        TARGET_GAS.

Mon May 24 20:30:08 1999  Jim Wilson  <wilson@cygnus.com>

        * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
        Add use of x-aix41-gld.

Mon May 24 16:44:09 1999  Jakub Jelinek  <jj@ultra.linux.cz>

        * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
        (ASM_OUTPUT_DESTRUCTOR): Define.

Mon May 24 14:35:24 1999  Jeffrey A Law  (law@cygnus.com)

        * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
        last CODE_LABEL in a loop if we have previously passed a jump
        to the top of the loop.

Mon May 24 07:56:29 1999  Nick Clifton  <nickc@cygnus.com>

        * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
        applying Philip's patch.

Mon May 24 01:02:12 1999  Mark Mitchell  <mark@codesourcery.com>

        * stmt.c (expand_end_bindings): Ignore any elements of VARS that
        are not VAR_DECLs.

Sun May 23 20:31:16 1999  Jeffrey A Law  (law@cygnus.com)

        * loop.c (strength_reduce): Grow reg_single_usage as needed.

Sun May 23 10:13:20 1999  David O'Brien <obrien@FreeBSD.org>

        * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
        Also remove a useless comment.

Sun May 23 10:05:23 1999  Jerry Quinn <jquinn@nortelnetworks.com>

        * pa.md (negdf2,negsf2):  Use fneg instead of fsub on pa 2.0.

Sat May 22 21:02:06 1999  David Edelsohn  <edelsohn@gnu.org>

        * collect2.c (main): Only generate import or export file and add
        to link arguments if non-empty.  Use xmalloc not alloca.
        (write_{export,import}_file): Delete.
        (write_aix_file): New function.
        (locatelib): Use xmalloc not malloc.
        (GCC_OK_SYMBOL): Do not check type if aix64.

Sat May 22 09:35:51 1999  Philip Blundell  <pb@nexus.co.uk>

        Based on patch by Scott Bambrough and Pat Beirne:
        * config/arm/arm.c (making_const_table): New variable.
        * config/arm/arm.h (making_const_table): Declare.
        (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
        appropriate.
        * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
        Keep track of when we are building the constant table.

Sat May 22 09:34:22 1999  Philip Blundell  <pb@nexus.co.uk>

        * config/arm/arm.c (arm_override_options): Fix erroneous warning
        message.

Sat May 22 09:06:33 1999  Nick Clifton  <nickc@cygnus.com>

        * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
        defined.

Sat May 22 07:17:05 1999  Nick Clifton  <nickc@cygnus.com>

        * tm.texi (FUNCTION_ARG): Correct description of a stack element
        in a PARALLEL.

Sat May 22 01:27:49 1999  Mark Mitchell  <mark@codesourcery.com>

        * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.

Fri May 21 21:19:02 1999  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * rs6000.c (output_mi_thunk): Enable full support again.

Fri May 21 20:09:52 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * sh.h (BRANCH_COST): Define.

Thu May 20 10:00:42 1999   Stephen L Moshier  <moshier@world.std.com>

        * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.

Thu May 20 09:58:57 1999  Jan Hubicka <hubicka@freesoft.cz>

        * function.c (assign_stack_local): Align stack slot propertly.
        (assign_outer_stack_local): Likewise.

Thu May 20 10:38:43 1999  Mark Mitchell  <mark@codesourcery.com>

        * expr.h (lang_expand_constant): Declare.
        * toplev.c (lang_expand_constant): Define it.
        * varasm.c (output_constant): Use it.

Thu May 20 11:28:53 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
        Change function definitions to K&R style.

Thu May 20 08:16:39 1999  Bruce Korb <ddsinc09@ix.netcom.com>

        * fixinc/fixincl.c: We must not ignore SIGCLD now.

Thu May 20 07:06:39 1999  Alexandre Oliva  <aoliva@acm.org>

        * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
        * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
        (several places): omit static initialization
        (process): use single fd, since only the read fd is used
        * fixinc/gnu-regex.c: define 'const' away, if not supported
        * fixinc/procopen.c(several places): omit static initialization
        * fixinc/server.c: define 'volitile' away, if not supported

1999-05-20  Andreas Schwab  <schwab@issan.cs.uni-dortmund.de>

        * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
        asm_fprintf and %L to generate the label name.
        * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
        (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.

Thu May 20 01:40:55 1999  Jeffrey A Law  (law@cygnus.com)

        * jump.c (can_reverse_comparison_p): Do not abort if the comparison
        insn for a conditional jump can not be found.

Wed May 19 23:58:58 1999  Jeffrey A Law  (law@cygnus.com)

        * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
        on variables in specific sections other than .sbss and .sdata.

Wed May 19 03:56:56 1999  Mark Mitchell  <mark@codesourcery.com>

        * stmt.c (expand_return): Call start_cleanup_deferral and
        end_cleanup_deferral around conditional code.

Wed May 19 08:40:08 1999  Bruce Korb <ddsinc09@ix.netcom.com>

        * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
        filename lists.  Utilizes new "krstr" AutoGen function.
        * fixinc/fixincl.x: Rebuilt.

Wed May 19 02:47:11 1999  Jan Hubicka  (hubicka@freesoft.cz)

        * i386.c (output_float_compare): Avoid GNU-C extensions.

Wed May 19 00:34:40 1999  Jeffrey A Law  (law@cygnus.com)

        * version.c: Bump to distinguish mainline tree from the
        gcc-2.95 branch.

See ChangeLog.1 for earlier changes.