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

Thu Apr  3 22:27:40 CEST 2003  Jan Hubicka  <jh@suse.cz>

        * cfgrtl.c (update_bb_for_insn): Do not set block for barriers.

2003-04-03  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR optimization/10157
        * gcse.c (can_copy_p): Rename it to can_copy.
        (can_copy_init_p): Remove.
        (compute_can_copy): Use can_copy instead of can_copy_p.
        (can_copy_p): New exported function. Call compute_can_copy.
        (hash_scan_set): Use it.
        (gcse_main): Don't call compute_can_copy.
        (bypass_jumps): Don't call compute_can_copy.
        * rtl.h (can_copy_p): Declare.
        * loop.c (scan_loop): Don't move the source and add a reg-to-reg
        copy if the mode doesn't support copy operations.

2003-04-03  Jason Merrill  <jason@redhat.com>

        * Makefile.in (unstrap): Also remove stage_last.

        * dwarf2out.c (lookup_filename): Don't check for "<internal>".
        (dwarf2out_source_line): Don't do anything if line==0.

        * stor-layout.c (do_type_align): New fn, split out from...
        (layout_decl): ...here.  Do all alignment calculations for 
        FIELD_DECLs here.
        (update_alignment_for_field): Not here.
        (start_record_layout, debug_rli): Remove unpadded_align.
        * tree.h (struct record_layout_info_s): Remove unpadded_align.
        * c-decl.c (finish_enum): Don't set DECL_SIZE, DECL_ALIGN
        or DECL_MODE on the CONST_DECLs.
        (finish_struct): Don't mess with DECL_ALIGN.

Thu Apr  3 18:57:19 CEST 2003  Jan Hubicka  <jh@suse.cz>

        * i386.c (print_operand): Do not bypass output_addr_const at flag_pic.

Thu Apr  3 17:08:09 2003  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.c (sh_function_ok_for_sibcall): Return 0 if the current
        function is an interrupt handler.

        * sh.c (sh_expand_epilogue): Avoid clash of temp register for
        restoring target registers with EH_RETURN_STACKADJ_RTX; use
        multiple registers in round-robin fashion.

2003-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * gengtype-lex.l (IWORD): Add CHAR_BITFIELD.
        * system.h (CHAR_BITFIELD): New.

2003-04-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): Generalize to accept GT
        and LE.
        (another peephole2): Likewise.

2003-04-03  Nick Clifton  <nickc@redhat.com>

        * config/sparc/sol2-bi.h (ASM_CPU64_DEFAULT_SPEC): Add -TSO.
        (DEF_ARCH64_SPEC): Likewise.

Thu Apr  3 09:53:40 CEST 2003  Jan Hubicka  <jh@suse.cz>

        * i386.c (constant_address_p): Use legitimate_constant_p.
        (legitimate_address_p): Do not use CONSTANT_ADDRESS_P.

2003-04-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Add a prototype for
        gtle_operator.
        * config/h8300/h8300.c (gtle_operator): New.
        * config/h8300/h8300.h (PREDICATE_CODES): Add an entry for
        gtle_operator.
        * config/h8300/h8300.md (a peephole2): Generalize to accept GT
        and LE.

2003-04-02  Richard Henderson  <rth@redhat.com>

        * libgcc-std.ver (_Unwind_GetCFA): New.
        * unwind-dw2.c (_Unwind_GetCFA): New.
        * unwind-libunwind.c (_Unwind_GetCFA): New.
        * unwind-sjlj.c (_Unwind_GetCFA): New.
        * unwind.h: Declare it.

Thu Apr  3 00:31:21 CEST 2003  Jan Hubicka  <jh@suse.cz>

        PR inline-asm/8088
        * i386.c (ix86_hard_regno_mode_ok):  Return 0 for MMX/SSE registers
        when MMX/SSE is not available.

2003-04-02  Mike Stump  <mrs@apple.com>

        * doc/install.texi (Specific): Update pointers to apple.com.

Thu Apr  3 00:18:49 CEST 2003  Jan Hubicka  <jh@suse.cz>

        * i386.c (override_options):  Disable red zone by default on i386.
        (compute_frame_layout, ix86_force_to_memory, ix86_free_from_memory):  
        Do not test TARGET_64BIT together with TARGET_RED_ZONE

2003-04-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): Tighten the condition.

2003-04-02  Richard Henderson  <rth@redhat.com>

        * longlong.h (umul_ppmm) [alpha]: Use __builtin_alpha_umulh.

2003-04-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): New.

2003-04-02  Richard Henderson  <rth@redhat.com>

        * except.c (sjlj_find_directly_reachable_regions): Recognize when
        must-not-throw region has been deleted.

2003-04-02  Richard Henderson  <rth@redhat.com>

        * dwarf2out.c (output_call_frame_info): Ignore fde->nothrow as an
        optimization when flag_exceptions not enabled.

2003-04-02  Vladimir Makarov  <vmakarov@redhat.com>

        * config/rs6000/rs6000.c
        (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Redefine the
        macros.
        (rs6000_issue_rate): Add case for 8540.
        (rs6000_use_sched_lookahead): New function.

        * config/rs6000/8540.md: Rename SIU units into SU ones and MIU
        units into MU ones.
        (ppc8540_branch, ppc8540_cr_logical): Add one cycle in the
        reservation before retirement.
        (ppc8540_multiply, ppc8540_load, ppc8540_store,
        ppc8540_simple_float, ppc8540_vector_load, ppc8540_vector_store):
        Remove additional cycle in the reservation before retirement.
        (ppc8540_mfcr, ppc8540_mtcrf, ppc8540_mtjmpr): Add missed
        reservation of ppc8540_issue.
        
2003-04-02  Andreas Schwab  <schwab@suse.de>

        * real.c (decode_ieee_single): Fix decoding of SNaN bit.

2003-04-01  Richard Henderson  <rth@redhat.com>

        * except.c (convert_from_eh_region_ranges_1): Smash REG_EH_REGION
        notes for nothrow calls if flag_forced_unwind_exceptions.
        (build_post_landing_pads): Mind flag_forced_unwind_exceptions.
        (sjlj_find_directly_reachable_regions): Likewise.
        (reachable_handlers): Likewise.
        (can_throw_external): Likewise.
        (collect_one_action_chain): Record cleanups after catch-all and
        must-not-throw if flag_forced_unwind_exceptions.
        * flags.h (flag_forced_unwind_exceptions): Declare.
        * toplev.c (flag_forced_unwind_exceptions): New.
        (lang_independent_options): Add it.
        * doc/invoke.text: Add it.

2003-04-01  David Mosberger <davidm@hpl.hp.com>

        * config/ia64/crti.asm: Clean up trailing whitespace.
        Remove trailing hashes (#) from identifiers.

        * config/ia64/crtn.asm: Ditto.

        * config/ia64/crtend.asm: Remove trailing hashes (#) from
        identifiers.
        (__do_global_ctors_aux): Align to 32-byte boundary.  Add unwind
        directives.  Drop explicit bundling---it just makes the code
        harder to read.  Don't save/restore gp needlessly.

        * config/ia64/crtbegin.asm: Remove trailing hashes (#) from
        identifiers (they're only needed if the identifier would clash
        with a register name otherwise).
        (__do_global_dtors_aux): Align to 32-byte boundary. Add unwind
        directives.  Drop explicit bundling---it just makes the code
        harder to read.
        (__do_jv_register_classes): Ditto.
        (.fini_array): Remove "progbits" (newer
        assemblers don't like wrong section-types).
        (.init_array): Ditto.

2003-04-01  Roger Sayle  <roger@eyesopen.com>

        PR fortran/9974
        * gcse.c (reg_killed_on_egde): New function to test whether the
        given reg is overwritten by any instruction queued on an edge.
        (bypass_block): Ignore substitutions killed on incoming edges.
        Don't bypass outgoing edges that have queued instructions.

2003-04-01  Alexandre Oliva  <aoliva@redhat.com>

        * real.h (EXP_BITS): Make room for...
        (struct real_value): ... added canonical bit.
        (struct real_format): Added pnan.
        (mips_single_format, mips_double_format, mips_extended_format,
        mips_quad_format): New.
        * real.c: Copy p to pnan in all formats.
        (get_canonical_qnan, get_canonical_snan): Set canonical bit.
        (real_nan): Use pnan to compute significand's shift.
        (real_identical): Disregard significand in canonical
        NaNs.
        (real_hash): Likewise.  Take signalling into account.
        (encode_ieee_single, encode_ieee_double, encode_ieee_quad):
        Disregard significand bits in canonical NaNs.  Set all bits of
        canonical NaN if !qnan_msb_set.
        (encode_ibm_extended, decode_ibm_extended): Likewise.  Use
        qnan_msb_set to tell the base double format.
        (ibm_extended_format): Use 53 as pnan.
        (mips_single_format, mips_double_format, mips_extended_format,
        mips_quad_format): Copied from the corresponding ieee/ibm
        formats, with qnan_msb_set false.
        * config/mips/iris6.h (MIPS_TFMODE_FORMAT): Use mips_extended_format.
        * config/mips/linux64.h (MIPS_TFMODE_FORMAT): Use mips_quad_format.
        * config/mips/mips.c (override_options): Use mips_single_format
        and mips_double_format.  Default TFmode to mips_quad_format.
        * config/mips/t-linux64 (tp-bit.c): Define QUIET_NAN_NEGATED.
        * config/mips/t-irix6: Likewise.
        * config/mips/t-mips (fp-bit.c, dp-bit.c): Likewise.
        * config/fp-bit.c (pack_d, unpack_d): Obey it.

2003-04-01  Geoffrey Keating  <geoffk@apple.com>

        * unwind-dw2-fde-darwin.c (DESTRUCTOR_MAY_BE_CALLED_LIVE): New.
        (live_image_destructor): Reset image to initial state.
        (examine_objects): Set DESTRUCTOR_MAY_BE_CALLED_LIVE.

2003-04-01  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (input_operand): Accept bare
        CONSTANT_P_RTX operands.

2003-04-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * gcse.c (struct ls_expr): Added pattern_regs field.
        (ldst_entry): Initialize it.
        (extract_mentioned_regs, extract_mentioned_regs_helper): New.
        (store_ops_ok): Use regs precomputed by them.
        (find_loads, store_killed_in_insn, load_kills_store): Change return
        type to bool.
        (store_killed_before, store_killed_after): Take position of register
        set in account.
        (reg_set_info): Store position of the setter.
        (gcse_main): Enable store motion.
        (mems_conflict_for_gcse_p): Enable load motion of non-symbol mems.
        (pre_insert_copy_insn, update_ld_motion_stores, insert_store): Prevent rtl
        sharing.
        (simple_mem): Enable store motion of non-symbol mems.
        (regvec): Type changed.
        (LAST_AVAIL_CHECK_FAILURE): New.
        (compute_store_table_current_insn): New.
        (build_store_vectors): Computation of availability and anticipatability
        moved ...
        (compute_store_table, find_moveable_store): ... here.
        (delete_store): Remove senseless comment.
        (store_motion): Reorganize.

2003-04-01  Kevin Buettner  <kevinb@redhat.com>

        * config/mips/mips.c (override_options): Provide mappings for
        HI_REGNUM and LO_REGNUM.
        * config/mips/mips.h (MD_DBX_FIRST): Define.

2003-04-01  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * combine.c (merge_outer_ops): Fix typo.

        * varasm.c (make_decl_one_only): Revert 2003-03-09 patch.

2003-04-01  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/{40x.md,603.md,6xx.md,7450.md,7xx.md,mpc.md,
        power4.md,rios1.md,rios2.md,rs64.md}: Change mult_compare to
        imul_compare.  Add lmul_compare.
        * config/rs6000/power4.md: Bump some latencies.  Model extra cycle
        in second pair of dispatch slots.  Model stores more accurately.
        Tweak multiply model.  Add bypasses for CR instructions dependent
        on complicated compares.
        * config/rs6000/rs6000.md (mulsi3): Name imul_compare patterns.
        (muldi3): Add lmul_compare patterns.
        * config/rs6000/rs6000.c (rs6000_variable_issue): Move FPLOAD_UX
        and FPSTORE_UX to split instructions and add COMPARE,
        DELAYED_COMPARE, IMUL_COMPARE, LMUL_COMPARE, IDIV, LDIV.
        (rs6000_adjust_cost): Add IMUL_COMPARE and LMUL_COMPARE.
        (rs6000_rtx_costs): Separate POWER4 multiply case.

2003-04-01  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_fixup_clobbered_return_reg):
        Do nothing if __builtin_return_address was not used.

Tue Apr  1 18:18:23 CEST 2003  Jan Hubicka  <jh@suse.cz>

        * i386.md (test patterns):  Allow memory operand in operand1.

2003-02-31  Aldy Hernandez  <aldyh@redhat.com>

        * testsuite/gcc.c-torture/execute/simd-3.c: New.

        * expr.c (expand_expr): Handle VECTOR_CST.
        (const_vector_from_tree): New.

        * varasm.c (output_constant): Handle VECTOR_CST.

        * c-typeck.c (digest_init): Build a vector constant from a
        VECTOR_TYPE.

        * config/rs6000/rs6000.c: Remove prototype for
        easy_vector_constant.
        (easy_vector_constant): Add mode parameter.  Rewrite to handle
        more easy constants.
        (rs6000_emit_move): Pass mode to easy_vector_constant.
        Call emit_easy_vector_insn for SPE V2SI vector constant moves.
        (emit_easy_vector_insn): New.
        (easy_vector_same): New.
        (EASY_VECTOR_15): New macro.
        (EASY_VECTOR_15_ADD_SELF): New macro.
        (bdesc_2arg): Rename to xorv2si3.
        (easy_vector_constant_add_self): New.
        (input_operand): Allow vector constants.

        * config/rs6000/rs6000.h (PREDICATE_CODES): Add
        easy_vector_constant, easy_vector_constant_add_self.
        (EXTRA_CONSTRAINT): Add 'W'.

        * config/rs6000/rs6000-protos.h: Add prototype for
        easy_vector_constant, emit_easy_vector_insn.

        * config/rs6000/altivec.md (xorv8hi3): New.
        (xorv16qi3): New.
        Remove all _const0 patterns.
        (movv4si_internal): Rewrite to use code.  Add vector constant to
        vector alternative.  Add splitter.
        (movv8hi_internal): Same.
        (movv16qi_internal): Same.
        (movv4sf_internal): Same.
        Change the unspecs for vspltis* to use constants.

        * config/rs6000/spe.md ("xorv4hi3"): New.
        ("spe_evxor"): Rename to xorv2si3.
        ("xorv1di3"): New.
        Remove all _const0 patterns.
        (movv2si_internal): Rewrite to use code.  Add vector constant to
        alternatives.  Add splitter.
        (movv4hi_internal): Add vector constant to alternatives.
        (movv1di_internal): Same.
        (movv2sf_internal): Same.

2003-03-31  Mark Mitchell  <mark@codesourcery.com>

        PR c/9936
        * c-decl.c (grokdeclarator): Clear SAVE_EXPR_CONTEXT for
        variably-sized arrays in parameters.
        (set_save_expr_context): New function.
        (c_expand_body): Use it, via walk_tree.

2003-03-31  Eric Christopher  <echristo@redhat.com>

        * combine.c (can_combine_p): Allow ZERO_EXTRACT and STRICT_LOW_PART.
        (combinable_i3pat): Remove call to expand_field_assignment and
        #if 0'd code.

2003-03-31  Mark Mitchell  <mark@codesourcery.com>

        PR c++/10278
        * c-common.c (finish_label_address_expr): Handle the
        error_mark_node.

2003-03-31  Richard Henderson  <rth@redhat.com>

        * real.c (real_identical): Reorg so as to not compare
        signalling for normals.

2003-03-31  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (hard_reg_operand): Check the mode.

2003-03-31  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Don't rely on REG_WAS_0
        notes as they are boggus.
        (m68hc11_gen_movqi): Likewise.

2003-03-31  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (expand_prologue): For an interrupt handler
        save the soft registers after the frame pointer so that gdb can unwind
        the frame more easily.
        (expand_epilogue): Likewise in opposite order; allow to use X register
        as scratch if the return value is by reference.

2003-03-31  Jason Merrill  <jason@redhat.com>

        PR java/10145
        * stor-layout.c (update_alignment_for_field): Respect
        DECL_USER_ALIGN for zero-length bitfields, too.
        * c-decl.c (finish_struct): Don't set DECL_ALIGN for normal
        fields.

2003-03-31  Matt Austern  <austern@apple.com>

        * cpppch.c (struct cpp_savedstate): Add defs and n_defs members.
        (count_defs): Keep track of number of defs as well as total size.
        (write_defs): Put every definition in cpp_savedstate's defs array.
        (comp_hashnode): Define.  Comparison function for qsort.
        (cpp_write_pch_deps): Sort definitions before writing them.
        (struct ht_node_list): Define. Like cpp_savedstate but simpler.
        (collect_ht_nodes): Define.
        (cpp_valid_state): When verifying that undefined identifiers in
        the pch file are still undefined, read a sorted list of undefined
        identifiers, collect all defined identifiers into a sorted list,
        and walk through both lists to make sure there's no match.

2003-03-31  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): New.

2003-03-31  Michael Matz  <matz@suse.de>

        * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Change 1 into 0.

2003-03-31  Segher Boessenkool  <segher@koffie.nl>

        PR target/10177
        * config/rs6000/rs6000.h (HARD_REGNO_RENAME_OK): New.
        * config/rs6000/rs6000.c (compute_vrsave_mask): Don't mark
        all call-clobbered registers as used.

2003-03-31  Michael Matz  <matz@suse.de>

        * cppexp.c (cpp_classify_number): Accept '.' after "0x".
        * testsuite/gcc.dg/cpp/c99-hexfloat-3.c: New file.

2003-03-31  Nathan Sidwell  <nathan@codesourcery.com>

        * gcov.c: Add -a & -u options.
        (struct arc_info): Add local_span, is_call_non_return,
        is_nonlocal_return, is_unconditional flags, remove is_call flag.
        (struct block_info): Add flags, is_call_site, is_nonlocal_return
        members. Make encodings a union with span member.
        (struct function_info): Add blocks_executed, line, src, line_next
        members.
        (struct coverage_info): Make branches a union with blocks member.
        (struct source_info): Add functions member.
        (object_summary, program_count): New global variables.
        (flag_all_blocks, flag_unconditional): New flags.
        (find_source, output_branch_count): New functions.
        (print_usage): Adjust.
        (options): Adjust.
        (process_args): Adjust.
        (read_graph_file) <GCOV_TAG_FUNCTION>: Adjust.
        <GCOV_TAG_BLOCKS>: Read flags.
        <GCOV_TAG_LINES>: Adjust.
        (read_count_file): Process SUMMARY tags.
        (solve_flow_graph): Set is_unconditional and clear is_call_site
        appropriately.
        (add_branch_counts): Adjust. Don't count unconditional branches.
        (add_line_counts): Deal with all-blocks mode, accumulate block
        coverage.
        (accumulate_line_counts): Adjust, generate local spanning tree for
        all-blocks mode.
        (output_lines): Adjust.
        * profile.c (branch_prob): Alter GCOV_FUNCTION_TAG record.
        * doc/gcov.texi: Document.

2003-03-31  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Organize peephole2's that transform
        (compare (reg:HI) (const_int)).

2003-03-31  Roger Sayle  <roger@eyesopen.com>

        * emit-rtl.c (dconstm2, dconsthalf): New real constants.
        (init_emit_once): Initialize dconstm2 and dconsthalf here.
        * real.h (dconstm2, dconsthalf): Add prototypes here.
        * real.c (real_sqrt): Use dconsthalf rather than local copy.
        * builtins.c (fold_builtin): When optimizing sqrt(exp(x)) as
        exp(x/2.0) remember to fold the division if possible.
        Fold sin(0.0) as 0.0, cos(0.0) as 1.0, pow(x,1.0) as x,
        pow(x,-1.0) as 1.0/x, pow(x,2.0) as x*x, pow(x,-2.0) as
        1.0/(x*x) and pow(x,0.5) as sqrt(x).

2003-03-31  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a new peephole2): New.

2003-03-31  Richard Sandiford  <rsandifo@redhat.com>

        * gcse.c (simple_mem): Return false for floating-point accesses
        if flag_float_store is true.

2003-03-30  Roger Sayle  <roger@eyesopen.com>

        * gcse.c (gcse_constant_p): New function to identify constants
        suitable for constant propagation, including COMPARE with two
        integer constant arguments.
        (hash_scan_set): Use gcse_constant_p.
        (find_avail_set): Likewise.
        (cprop_insn): Likewise.
        (do_local_cprop): Likewise.
        (find_implicit_sets): Likewise.
        (find_bypass_set): Likewise.

2003-03-30  Matt Kraai  <kraai@alumni.cmu.edu>

        * except.h: Remove definition of varray_type.

2003-03-30  Richard Henderson  <rth@redhat.com>

        PR opt/10011, opt/10252:
        * toplev.c (rest_of_compilation): Run purge_builtin_constant_p
        before post-gcse cse pass.

2003-03-30  Roger Sayle  <roger@eyesopen.com>

        * dojump.c (do_jump): Copy SUBREGs into a pseudo for comparison.

2003-03-30  DJ Delorie  <dj@redhat.com>

        * profile.c (instrument_edges): Make sure any newly created
        jump insns have correct jump label info.

2003-03-30  Richard Henderson  <rth@redhat.com>

        * cfgbuild.c (make_edges): Use tablejump_p.
        * cfgcleanup.c (label_is_jump_target_p): Likewise.
        * cfglayout.c (cfg_layout_can_duplicate_bb_p): Likewise.
        * cfgrtl.c (flow_delete_block_noexpunge): Likewise.
        (try_redirect_by_replacing_jump): Likewise.
        (redirect_edge_and_branch): Likewise.
        * cse.c (fold_rtx): Likewise.
        * jump.c (delete_related_insns): Likewise.
        * rtlanal.c (get_jump_table_offset): Likewise.
        * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): Likewise.

2003-03-30  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * Makefile.in (STRICT_WARN): Don't warn for ISO C constructs.
        (STRICT2_WARN): Likewise.

2003-03-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR other/6955
        * collect2.c (collect_wait): Use WCOREDUMP and fix output message.
        * system.h (WCOREDUMP, WCOREFLG): Define if necessary.

2003-03-30  Richard Henderson  <rth@redhat.com>

        PR c/10083
        * config/alpha/alpha.md (umuldi3_highpart): Change to expander;
        don't zero_extend const inputs.

2003-03-30  Kazu Hirata  <kazu@cs.umass.edu>

        * reload1.c (reload_cse_move2add): Fix a comment typo.

2003-03-30  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): Remove useless code.

2003-03-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*iorsi3_and_ashift): New.
        (*iorsi3_and_lshiftrt): Likewise.
        (*iorsi3_zero_extract): Likewise.

2003-03-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*insv_si_8_8): New.
        (*insv_si_8_8_lshiftrt_8): Likewise.
        (a peephole2): Likewise.

2003-03-29  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/contrib.texi: Add Eric Botcazou and Roger Sayle.
        Uniformly use bugfix instead of bug fix.

2003-03-29  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        PR doc/895
        * ONEWS: Remove those items that already appear in the EGCS
        release notes on our web pages.

2003-03-29  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.h (FUNCTION_VALUE_REGNO_P): Respect
        TARGET_HARD_FLOAT.  Reformat.
        (FUNCTION_ARG_REGNO_P): Likewise, and remove unneeded casts.

2003-03-28  Albert Chin-A-Young  <china@thewrittenword.com>

        * gcc/fixinc/inclhack.def: Update solaris_mutex_init_1 to
        work on Solaris 2.5.1.

2003-03-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*addsi3_and_r_1): Put under plus:SI
        section of h8300.md
        (*addsi3_and_nor_r_1): Likewise.

2003-03-29  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_emit_prologoue): Make sure backchain is
        set up before any trapping memory access if flag_non_call_exceptions.

2003-03-29  Alan Modra  <amodra@bigpond.net.au>

        * reload1.c (reload_as_needed): Allow a USE in asm reloads.

        * loop.c: (find_mem_in_note_1, find_mem_in_note): Comment.

2003-03-28  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.in: Clarify comments.
        * configure: Regenerate.

2003-03-28  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("literal_pool_31"): Output pool anchor
        label even if pool empty when generating PIC.
        ("literal_pool_31", "literal_pool_64"): Coding style cleanup.

2003-03-28  Kazu Hirata  <kazu@cs.umass.edu>,
            Dhananjay Deshpande  <dhananjayd@kpit.com>

        PR target/10205
        * config/h8300/h8300.c (h8300_initial_elimination_offset):
        Correct the offset computation when TARGET_NORMAL.

2003-03-28  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/10067
        * config/sparc/sparc.md (jump pattern): Correct order
        when issuing the annuling marker.

2003-03-28  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR c/8281
        * config/sparc/sparc.md (movdi_insn_sp32_v9): Remove 'f-f' alternative.
        (movdi reg/reg split): Match only on sparc32, and v9 when int regs.

2003-03-28  Alan Modra  <amodra@bigpond.net.au>

        * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_BSS): Remove unnecessary
        globalize_label.
        * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS): Likewise.
        * config/i960/i960.h (ASM_OUTPUT_ALIGNED_BSS): Likewise.
        * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Likewise.
        * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Likewise.
        * config/mips/linux.h (ASM_OUTPUT_ALIGNED_BSS): Likewise.
        * config/sparc/sparc.h (ASM_OUTPUT_ALIGNED_BSS): Likewise.
        * config/v850/v850.c (v850_output_aligned_bss): Likewise.

2003-03-28  Alan Modra  <amodra@bigpond.net.au>

        * loop.c: (find_mem_in_note_1, find_mem_in_note): New functions.
        (replace_loop_mems): Add "written" param.  Remove invalid REG_EQUAL
        notes after hoisting.
        (load_mems): Adjust replace_loop_mems call.

2003-03-28  Eric Botcazou  <ebotcazou@libertysurf.fr>
            Richard Henderson  <rth@redhat.com>

        PR target/10114 and PR target/10084
        * dwarf2out.c (mem_loc_descriptor): Handle LO_SUM.

2003-03-27  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.md (adddi_er_high_l): Valid only after reload.

2003-03-27  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold_inf_compare):  New function to simplify FP
        comparisons against +Infinity or -Infinity.
        (fold):  Optimize floating point comparisons against Infs and NaNs.

2003-03-27  Janis Johnson  <janis187@us.ibm.com>

        * libgcov.c: Provide only dummy functions if libc is not available.

2003-03-27  Richard Henderson  <rth@redhat.com>

        * real.h (struct real_value): Add signalling.
        (EXP_BITS): Decrement.
        * real.c (get_canonical_qnan): Don't set MSB-1.
        (get_canonical_snan): Likewise.  Set signalling.
        (real_identical): Compare signalling.
        (round_for_format): Remove force-one-bit on code.
        (real_nan): Likewise.  Set signalling.
        (encode_ieee_single): Add force-one-bit code; honor signalling.
        (encode_ieee_double, encode_ieee_extended, encode_ieee_quad): Likewise.
        (decode_ieee_single): Set signalling.
        (decode_ieee_double, decode_ieee_extended, decode_ieee_quad): Likewise.

2003-03-27  Olivier Hainque  <hainque@act-europe.fr>

        PR ada/9953
        * ada/Makefile.in (gnatlib configuration for HPUX): Split
        the general section for HPUX into specific sections for
        HPUX 10 and HPUX 11. Fix the setting of TGT_LIB in the HPUX
        11 case.

2003-03-27  Glen Nakamura  <glen@imodulo.com>

        PR opt/10087
        * loop.c (loop_givs_reduce): Skip bivs with duplicate locations
        while incrementing giv.
        (record_biv): Check for duplicate biv locations and
        set (struct induction *) v->same if found.

2003-03-27  David Mosberger  <davidm@hpl.hp.com>

        * unwind-libunwind.c (uw_frame_state_for): Adjust for libunwind
        v0.9 API change: replace read of UNW_REG_HANDLER with
        unw_get_proc_info().
        (_Unwind_GetLanguageSpecificData): Replace read of UNW_REG_LSDA
        with unw_get_proc_info().
        (_Unwind_GetRegionStart): Replace UNW_REG_PROC_START with
        unw_get_proc_info().

2003-03-27  Vladimir Makarov  <vmakarov@redhat.com>

        * config/rs6000/8540.md: Use presence_set instead of absence_set.

2003-03-26  Richard Henderson  <rth@redhat.com>

        * c-decl.c (finish_function): Always defer if DECL_DECLARED_INLINE_P.

2003-03-26  Roger Sayle  <roger@eyesopen.com>

        PR bootstrap/10051, PR bootstrap/10169.
        * mips-tfile.c (init_file): Don't provide a static initializer.
        (initialize_init_file): Initialize the contents of init_file.
        (add_file): Call initialize_init_file if not already initialized.

2003-03-26  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_optimize_prolog): Do not save/restore
        registers used for global asm variables.
        (s390_frame_info, s390_arg_frame_offset): Likewise.
        (s390_emit_prologue, s390_emit_epilogue): Likewise.

2003-03-26  Vladimir Makarov  <vmakarov@redhat.com>

        * config/rs6000/8540.md: New file.

        * config/rs6000/{40x.md, 603.md, 6xx.md, 7450.md, 7xx.md, mpc.md,
        power4.md, rios1.md, rios2.md, rs64.md}: Add mult_compare to
        reservations for imul.

        * config/rs6000/rs6000.md: Include 8540.md.  Change
        delayed_compare onto mult_compare for insns generating
        multiplication.
        (mult_compare, fpsimple, brinc, vecdiv, veccmpsimple, vecfdiv):
        New type attribute values.

        * config/rs6000/spe.md (*negsf2_gp, *abssf2_gpr): Use type
        fpsimple instead of fp.
        (*divsf3_gpr): Use type vecfdiv instead of fp.
        (spe_evfsabs, spe_evfsnabs, spe_evfsneg): Use type vecsimple
        instead of vecfloat.
        (spe_evfsdive): Use type vecfdiv instead of vecfloat.
        (spe_brinc): Use type brinc instead of veccomplex.
        (spe_evaddw, spe_evaddiw): Use type vecsimple instead of
        veccomplex.
        (spe_evdivws, spe_evdivwu): Use type vecdiv instead of veccomplex.
        (*movv2si_internal, *movv1di_internal, *movv4hi_internal,
        *movv2sf_internal): Define type attribute values for all
        alternatives.
        (cmpsfeq_gpr, cmpsfgt_gpr, cmpsflt_gpr): Use type veccmp instead
        of fpcompare.
        (tstsfeq_gpr, tstsfgt_gpr, tstsflt_gpr): Use type veccmpsimple
        instead of fpcompare.

2003-03-26  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/power4.md: Allow delay between dispatch and
        function units for simple instructions.  Correct store units.
        Allow branch to occupy as many dispatch slots as necessary.

2003-03-26  Jakub Jelinek  <jakub@redhat.com>

        * config/ia64/ia64.c (ia64_expand_op_and_fetch): Fix comment.
        (ia64_expand_compare_and_swap): Use always DImode ar.ccv,
        zero extend old to it.
        * config/ia64/ia64.md (cmpxchg_acq_si): Remove mode from ccv
        operand.

2003-03-26  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/7784
        * reload.c (find_reloads_address): Handle
        (PLUS (PLUS (REG) (REG)) (CONST_INT)) form for
        all base registers.

2003-03-25  Marcelo Abreu  <mmabreu@inf.ufrgs.br>

        PR other/10203
        * version.c: Reference the GCC web site in the URL.

2003-03-26  Alan Modra  <amodra@bigpond.net.au>

        * c-incpath.c (add_standard_paths): Add both "translated" and
        non-translated header paths.

2003-03-25  Loren James Rittle  <ljrittle@acm.org>

        * doc/install.texi (*-*-freebsd*): Update with known status.

2003-03-21  Jason Merrill  <jason@redhat.com>

        PR optimization/10171
        * unroll.c (unroll_loop): Don't delete the jump at the end unless
        we also delete a jump at the beginning.

2003-03-25  Stephane Carrez  <stcarrez@nerim.fr>

        * doc/contrib.texi (Contributors): Mention self as 68HC11/68HC12
        contributor.

Tue Mar 25 20:35:51 CET 2003  Jan Hubicka  <jh@suse.cz>

        * i386.c (ix86_rtx_costs): For -fpic and x86-64 local symbolic
        constants are not expensive.

Mon Mar 24 20:03:03 CET 2003  Jan Hubicka  <jh@suse.cz>

        PR opt/10056
        * cfglayout.c (fixup_reorder_chain):  Fix dealing with the conditional
        jump jumping to the next instruction.
        * cfgrtl.c (force_nonfallthru_and_redirect):  Likewise.

2003-03-25  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/passes.texi (Passes): Properly document that we do not
        perform jump2 any longer; remove command-line option -dJ.

2003-03-25  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR optimization/8746
        * config/i386/i386.md (and promoting splitters): Disable HImode to
        SImode promoting when the sign bit matters and is not preserved, or
        when TARGET_FAST_PREFIX is true. Disable promoting when optimizing
        for size.

2003-03-24  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): Extend to support loads
        in QImode and HImode.

2003-03-24  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/t-m68hc11-gas (LIB1ASMFUNCS): Add _call_far and
        _return_far
        (MULTILIB_OPTIONS): Don't multilib on -mlong-calls.
        (MULTILIB_EXCEPTIONS): Likewise.
        * config/m68hc11/m68hc11.md ("call"): Support far calls for 68HC11
        by calling some board support routine.
        ("call_value"): Likewise.
        ("*return_void"): Likewise for return.
        ("*return_16bit"): Likewise.
        ("*return_32bit"): Likewise.
        * config/m68hc11/m68hc11.h (ASM_DECLARE_FUNCTION_NAME): Generate .far
        for 68HC11 too.
        (DWARF2_ADDR_SIZE): Use 4 so that addresses can
        * config/m68hc11/m68hc11.c (m68hc11_override_options): Accept
        -mlong-calls for 68HC11.
        * config/m68hc11/larith.asm (declare_near): New macro.
        (__premain, ___negsi2, ___one_cmplsi2, ___ashlsi3): Use it.
        (___ashrsi3, ___lshrsi3, ___lshrhi3, ___lshlhi3): Likewise.
        (___rotrhi3, ___rotlhi3, ___ashrhi3, ___ashrqi3): Likewise.
        (___lshlqi3, __divmodhi4, ___mulqi3, ___mulhi3): Likewise.
        (__mulhi32): Likewise.
        (ret): Update macro for 68HC11.
        (__far_trampoline): Implement for 68HC11.
        (__call_a16, __call_a32, __return_void, __return_16): New support
        routines for 68HC11 memory bank switching calling support.
        (__return_32): Likewise.

2003-03-24  Neil Booth  <neil@daikokuya.co.uk>

        * toplev.c (independent_decode_option): Don't skip a 'Y' prefix.

2003-03-24  Janis Johnson  <janis187@us.ibm.com>

        * doc/install.texi (Testing): Mention test result links from build
        status pages.

2003-03-24  Mark Mitchell  <mark@codesourcery.com>

        * function.c (put_var_into_stack): Change bool parameter to int.
        (gen_mem_addressof): Likewise.
        * rtl.h (gen_mem_addressof): Likewise.
        * tree.h (put_var_into_stack): Likewise.
        * config/alpha/alpha.c (alpha_gp_save_rtx): Adjust call to
        gen_mem_addressof or put_var_into_stack.
        * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
        * config/ia64/ia64.c (spill_tfmode_operand): Likewise.

2003-03-24  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): New.

2003-03-24  Jakub Jelinek  <jakub@redhat.com>

        * dojump.c (do_jump): Handle UNSAVE_EXPR specially.

2003-03-24  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/contrib.texi (Contributors): Update Janis Johnson.

2003-03-23  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/10072
        * combine.c (simplify_if_then_else): Check that the mode
        has MODE_INT class before applying the (OP Z (mult COND C2))
        transformation.

2003-03-23  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR optimization/9414
        * config/sparc/sparc.md (widening peepholes): Use
        widen_memory_access instead of change_address.

2003-03-23  Mark Mitchell  <mark@codesourcery.com>

        PR c++/7086
        * c-typeck.c (c_mark_addressable): Adjust calls to
        put_var_into_stack.
        * expr.c (expand_expr): Likewise.
        * function.c (put_var_into_stack): Add rescan parameter.  Do not
        call fixup_var_refs when rescan is false.
        (gen_mem_addressof): Likewise.
        (assign_parms): Adjust calls to put_var_into_stack.
        (setjmp_protect): Likewise.
        (setjmp_protect_args): Likewise.
        * rtl.h (gen_mem_addressof): Change prototype.
        * stmt.c (expand_decl): Adjust calls to put_var_into_stack.
        * tree.h (put_var_into_stack): Change prototype.

2003-03-23  Arpad Beszedes <beszedes@cc.u-szeged.hu>

        PR middle-end/9967
        * builtins.c (expand_builtin_fputs): When optimizing for size,
        don't transform fputs into fwrite.

2003-03-23  Glen Nakamura <glen@imodulo.com>

        PR c/8224
        * fold-const.c (extract_muldiv_1): Don't pass through type conversions
        when signedness changes for division or modulus.

2003-03-24  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_BSS): Remove unnecessary
        globalize_label.

2003-03-23  Roger Sayle  <roger@eyesopen.com>

        PR c/10178
        * stmt.c (expand_end_case_type): Check for overflow in range when
        determining whether to use a bit-test implementation.

2003-03-23  Richard Henderson  <rth@redhat.com>

        * cfgcleanup.c (try_optimize_cfg): Allow merging of tablejumps
        before flow2.
        * cfgrtl.c (try_redirect_by_replacing_jump): Similarly.

2003-03-23  Richard Henderson  <rth@redhat.com>

        PR opt/10116
        * ifcvt.c (find_if_block): Disallow tablejump insns outgoing
        from then_bb or else_bb after flow2.

2003-03-23  Zack Weinberg  <zack@codesourcery.com>

        * configure.in: Check whether it is necessary to link against
        libm to use ldexp.
        * configure: Regenerate.
        * Makefile.in: Add LDEXP_LIB substitution variable.

2003-03-23  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Fix comment typos.

2003-03-22  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (output_cbranch): Fix typo in comment.

2003-03-22  Richard Henderson <rth@redhat.com>

        * cfgcleanup.c (insns_match_p): Do not do EQUIV substitution
        after reload.

2003-03-22  DJ Delorie  <dj at redhat dot com>,
        Bruce Korb  <bkorb at gnu dot org>

        * fixinc/inclhack.def (solaris_mutex_init_1): New; Fix
        buggy Solaris 2.6 mutex/cond initializers.
        (solaris_mutex_init): Rename to solaris_mutex_init_2.
        * fixinc/fixincl.x: Regenerate.
        * fixinc/tests/base/pthread.h: Update.
        * fixinc/fixincl.c(initialize): be explicit about the default case
        and indicate verbose level when being very, very verbose.
        * fixinc/check.tpl(VERBOSE): provide a means for passing the value in

2003-03-22  Andreas Jaeger  <aj@suse.de>

        * config/i386/i386.c (ix86_init_machine_status): Return value.

2003-03-22  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (output_cbranch, output_bb, output_bvb): Output nop for
        conditional branch to the following instruction.  Use next_real_insn
        instead of next_active_insn.
        (output_dbra, output_movb, jump_in_call_delay): Use next_real_insn
        instead of next_active_insn.

2003-03-22  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("movti", "*movdi_31", "*movdf_31"): Use 'o'
        instead of 'm' constraint in forced-split alternatives.
        ("*adddi3_31", "*subdi3_31"): Likewise.  Also, pass 0 instead of 1 as
        VALIDATE_ADDRESS parameter to operand_subword.

2003-03-22  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (notice_update_cc): Correctly handle
        the case where the set destination is STRICT_LOW_PART.

2003-03-22  Svein E. Seldal  <Svein.Seldal@solidas.com>

        * config/c4x/t-c4x (INSTALL_LIBGCC): Make gcc recognize a c33 as a
        c30 instead of a c40 processor.

2003-03-22  Alan Modra  <amodra@bigpond.net.au>

        * combine.c (simplify_comparison <AND>): Use gen_int_mode.  Tidy.

2003-03-21  Zack Weinberg  <zack@codesourcery.com>

        * c-common.c: Include intl.h.
        (shadow_warning): Rewrite to allow better diagnostic translations.
        * c-common.h: Update prototype of shadow_warning.  Declare sw_kind enum.
        * c-decl.c (warn_if_shadowing): Update calls to shadow_warning;
        use it throughout.
        * Makefile.in (c-common.o): Add intl.h.

2003-03-21  Nathanael Nerode  <neroden@gcc.gnu.org>

        * config.gcc: Remove 'float_format'.

        * fixproto: Define NULL and size_t in generated stdlib.h and
        unistd.h.  Kill unused required_stdlib_h, required_unistd_h.
        Rearrange file generation loop for readability.  Generate time.h,
        string.h if missing.
        * tsystem.h: Include <string.h>, <time.h> unconditionally.
        * config.gcc: Blow away POSIX defines.

2003-03-22  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md ("call_value"): Fix trap check.

2003-03-22  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.h (ASM_DECLARE_FUNCTION_NAME): Fix typo in
        writing .interrupt command.
        * config/m68hc11/m68hc11.md ("call"): Look at the symbol to see
        if it's a far or near function.
        ("call_value"): Likewise.
        * config/m68hc11/m68hc11.c (m68hc11_attribute_table): Add far and
        near attributes.
        (m68hc11_handle_fntype_attribute): Accept attributes on methods.
        (m68hc11_override_options): Ignore -mlong-calls for 68HC11.
        (m68hc11_initial_elimination_offset): Set current_function_far
        according to attributes.
        (expand_prologue): Likewise.
        (trap_handler_symbol): New global to keep track of trap handlers.
        (m68hc11_encode_section_info): Mark symbol as far if needed; set
        trap symbol.
        (m68hc11_is_far_symbol): New function.
        (m68hc11_is_trap_symbol): New function.
        * config/m68hc11/m68hc11-protos.h (m68hc11_is_far_symbol): Declare.
        (m68hc11_is_trap_symbol): Declare.

2003-03-21  Jan Hubicka  <jh@suse.cz>

        * i386.c (ix86_compute_frame_layout): Recompute fast prologues
        only when amount of saved regs changed.
        (ix86_init_machine_status): Initialize use_fast_prologue_epilgoue_nregs.
        * i386.h (machine_function): New fields use_fast_prologue_epilgoue_nregs.

2003-03-21  Jan Hubicka  <jh@suse.cz>

        PR inline-asm/7916
        * function.c (instantiate_virtual_regs_lossage): New function.
        (instantiate_virtual_regs_1): Use it.
        (instantiate_virtual_regs): Do not continue in substition when insn has
        been deleted.

2003-03-21  Kazu Hirata  <kazu@cs.umass.edu>

        * combine.c (make_field_assignment): Fix a warning.

2003-03-21  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*insv_si_1_n_lshiftrt_16): New.

2003-03-21  Dale Johannesen  <dalej@apple.com>

        * config/rs6000/rs6000.h (REG_ALLOC_ORDER):  Increase
        priority for R2 on Darwin.
        (HARD_REGNO_MODE_OK):  Don't accept R31 for DFmode.

2003-03-21  Kazu Hirata  <kazu@cs.umass.edu>

        * combine.c (make_field_assignment): Remove unnecessary AND
        when storing into zero_extract.

2003-03-21  Zack Weinberg  <zack@codesourcery.com>

        * aclocal.m4 (gcc_AC_EXAMINE_OBJECT, gcc_AC_C_FLOAT_FORMAT): Delete.
        * configure.in: Don't call gcc_AC_C_FLOAT_FORMAT.
        * defaults.h: Remove reference to HOST_FLOAT_WORDS_BIG_ENDIAN
        in comment.

2003-03-21  DJ Delorie  <dj@redhat.com>

        * optabs.c (init_integral_libfuncs): Make sure we init at least up
        to "long long" size words.

2003-03-21  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.h: Do not include fixdfdi.h on s390x.
        (TARGET_64BIT): Define as compile-time constant when IN_LIBGCC2.
        (MIN_UNITS_PER_WORD): Do not define when IN_LIBGCC2.

2003-03-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR doc-bug/9813
        * doc/extend.texi: Move misplaced paragraph about underscores in
        variables in macros.

2003-03-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
            Richard Henderson  <rth@redhat.com>

        PR optimization/8366
        * config/sparc/sparc.h: (SYMBOLIC_CONST): New macro.
        (GO_IF_LEGITIMATE_ADDRESS): Use it. Reject the form
        PIC+SYMBOLIC_CONST in other modes than Pmode.
        (GO_IF_MODE_DEPENDENT_ADDRESS): Use it. Mark
        the form PIC+SYMBOLIC_CONST as mode dependent.

2003-03-21  DJ Delorie  <dj@redhat.com>

        * config/stormy16/stormy16.c (xstormy16_expand_arith): Make
        sure we always emit at least one insn.

2003-03-21  Christopher Faylor  <cgf@redhat.com>

        * config.gcc (i[34567]86-*-cygwin*): Use new common makefile
        stub t-cygming. Use common target header cygming.h. Add extra
        c_target_obj and cxx_target_obj file. Default cygwin to posix
        threading. Enforce i386 as float format.
        (i[34567]86-*-mingw*): Use new common makefile stub t-cygming.
        Remove cygwin.h as target header. Use common target header
        cygming.h  Enforce i386 as float format. Correct typo.
        * config/i386/cygming.h: New file, containing definitions
        common to mingw32 and cygwin.
        * config/i386/cygwin.h: Remove definitions common to cygwin and
        mingw.  Simplify special spec logic.  Define "wrappers" around
        certain include path defines to accommodate -mno-cygwin.
        Remove some #if 0'ed code.
        (STANDARD_INCLUDE_DIR) Always define when not cross-compiling.
        (LINK_SPEC): Don't use cyg search prefix when -mno-cygwin.
        (GCC_DRIVER_HOST_INITIALIZATION): Define as call to mingw_scan.
        * config/i386/mingw32.h: Remove definitions common to cygwin and
        mingw.
        (EXTRA_OS_CPP_BUILTINS): Adjust.
        (TARGET_VERSION): Define.
        * config/i386/crtdll.h (EXTRA_OS_CPP_BUILTINS): Override
        mingw32.h definitions.
        (LIBGCC_SPEC): Add libmingwex.a as in mingw32.h.
        * config/i386/t-cygwin (EXTRA_GCC_OBJS): Define as cygwin1.o.
        Add compilation rules for cygwin1.o cygwin2.o.
        * config/i386/cygwin1.c: New file.
        * config/i386/cygwin2.c: New file.
        * config/i386/t-cygming: New makefile stub.

2003-03-20  Richard Henderson  <rth@redhat.com>

        * fold-const.c (extract_muldiv_1): Revert changing order of
        operands in case MULT_EXPR of 2003-02-16 patch.

2003-03-20  Daniel Berlin  <dberlin@dberlin.org>
        Merge changes from new-regalloc-branch

        From Michael Matz  <matz@suse.de>
        * df.c (df_ref_record_1): Move init of loc to safe point.
        Only recurse on interesting things in parallels.
        Handle CLASS_CANNOT_CHANGE_MODE smarter.
        (df_uses_record): Ditto.

        * df.h (DF_REF_MEM_OK): New enum member, used to mark ref's which
        it's already okay to use memory operands in (IE doesn't require
        adding another insn or anything).

2003-03-20  Richard Henderson  <rth@redhat.com>

        PR middle-end/6348
        * explow.c (allocate_dynamic_stack_space): Handle STACK_SIZE_MODE
        different from word_mode.

2003-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*insv_si_1_n_lshiftrt): Restrict the
        source operand to those that can be extracted with bld.

2003-03-20  Richard Earnshaw  <rearnsha@arm.com>

        PR 10066
        * arm.md (UNSPEC_PIC_BASE): New constant.
        (pic_add_dot_plus_four): Wrap with unspec.
        (pic_add_dot_plus_eight): Likewise.

2003-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*insv_si_1_n): New.
        (*insv_si_1_n_lshiftrt): Likewise.

2003-03-20  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold_mathfn_compare): New function to simplify
        comparisons against built-in math functions.  Fold comparisons
        of sqrt against constants.
        (fold): Call fold_mathfn_compare when appropriate.

2003-03-20 Richard Earnshaw  <rearnsha@arm.com>

        * ifcvt.c (find_if_case_1): If we add a new bb, update the dominance
        information.

2003-03-20  Per Bothner  <pbothner@apple.com>

        Various cleanups to help compile server.

        * cppinit.c (cpp_create_reader):  Take extra hash_table* argument,
        and pass that to _cpp_init_hashtable.
        (cpp_read_main_file):  Drop hash_table* argument; don't call
        _cpp_init_hashtable.
        * cpplib.h:  Update declarations to match.
        * c-opts.c (c_common_init_options):  Pass ident_hash to
        cpp_create_reader.
        (c_common_post_options):  Don't pass ident_hash to cpp_read_main_file.
        * fix-header.c (read_scan_file):  Likewise pass NULL table to
        cpp_create_reader rather than cpp_read_main_file.

        * cppfiles.c (cpp_rename_file):  Generalized and renamed
        to cpp_change_file.
        * cpplib.h:  Update declaration to match.
        * c-opts.c (push_command_line_line, finish_options):  Change
        cpp_rename_file calls to cpp_change_file.

        * line-map.c (add_line_map):  Allow leaving the outermost file.
        Allowing entering an outermost-file after the initial time.

        * toplev.c (pop_srcloc):  Allow popping from initial file.

2003-03-20  Kazu Hirata  <kazu at cs dot umass dot edu>

        * fold-const.c (fold): Fold A - (A & B) into ~B & A.

2003-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): New.

2003-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*addsi3_and_r_1): New.
        (*addsi3_and_not_r_1): Likewise.

2003-03-19  Loren James Rittle  <ljrittle@acm.org>

        * Makefile.in (STRICT2_WARN): Add @WERROR@.
        (GCC_WARN_CFLAGS): Remove $(WERROR).
        (fixinc.sh-warn): New.
        * ada/Make-lang.in (ada-warn): Add $(WERROR).
        * cp/Make-lang.in (cp-warn): Add $(WERROR).
        * f/Make-lang.in (f-warn): Add $(WERROR).
        * java/Make-lang.in (java-warn): Add $(WERROR).
        * treelang/Make-lang.in (treelang-warn): Add $(WERROR).

2003-03-19  Nathanael Nerode  <neroden@gcc.gnu.org>

        * c-common.h (c_dump_tree), c-dump.c (c_dump_tree),
        langhooks-def.h (lhd_tree_dump_dump_tree),
        langhooks.c (lhd_tree_dump_dump_tree), langhooks.h (*dump_tree):
        Change return type from 'int' to 'bool'.  Replace 0 and 1 with
        true and false in return statements.

2003-03-19  Kevin Buettner  <kevinb@redhat.com>

        * dwarf2out.c (DWARF_INITIAL_LENGTH_SIZE): Define.
        (DWARF_COMPILE_UNIT_HEADER_SIZE): Take into account
        DWARF_INITIAL_LENGTH_SIZE.
        (output_compilation_unit_header, output_pubnames, output_aranges)
        (output_line_info): Output 0xffffffff escape value for 64-bit
        DWARF extension.
        * config/mips/iris6.h (DWARF_INITIAL_LENGTH_SIZE): Define.

2003-03-19  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_preferred_reload_class): Do not
        force constants to the pool unless necessary.
        (s390_decompose_address): Prefer to use pointer as base,
        not index register.
        * config/s390/s390.md ("*tsthiCCT_only"): Remove '?' from
        Q alternative.
        ("*movdi_64", "*movsi", "movhi", "movqi_64", "movqi",
        "*movdf_64", "*movsf"): Add '?' to Q->Q alternatives.
        ("*extractqi", "*extracthi", "*zero_extendhisi2_31",
        "*zero_extendqisi2_31", "*zero_extendqihi2_31",
        "*adddi3_31", "*subdi3_31"): Do not set "type" attribute.

2003-03-19  Jan Hubicka  <jh@suse.cz>

        * i386.h (machine_function): New fields use_fast_prologue_epilogue.
        * i386.c (use_fast_prologue_epilogue): Remove.
        (ix86_frame): New field save_regs-using_mov;
        (ix86_compute_frame_layout):  Decide on fast prologues;
        allocate saved registers in red zone.
        (ix86_expand_epilogue, ix86_expand_prolgoues): Obey new parameters.

2003-03-19  Nick Clifton  <nickc@redhat.com>

        * config/mcore/mcore.h (CPP_SPEC): Remove trailing semi-colon.

2003-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR 10062
        * config/pa/pa-hpux.h (TARGET_HPUX_UNWIND_LIBRARY): Redefine.
        * pa-protos.h (output_lbranch): New prototype.
        * pa.c (compute_frame_size): Change size of the frame marker on the
        64-bit ports to 48 bytes.
        (pa_output_function_prologue): Document why SAVE_SP is set.
        (hppa_expand_prologue): Save previous stack pointer into frame marker
        on targets which use the hpux unwind library.
        (output_cbranch): Use output_lbranch.
        (output_lbranch): New function to output long unconditional branches.
        * pa.h (TARGET_HPUX_UNWIND_LIBRARY): Define.
        (STACK_POINTER_OFFSET): Update offset for 48-byte frame marker on
        64-bit ports.
        * pa.md (jump): Use output_lbranch.
        (allocate_stack): New expander for dynamic stack allocation.

2003-03-19  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_stack_info): Only require a frame
        when debugging on XCOFF targets.  Delete "abi" temp.

        PR target/10073
        * combine.c (force_to_mode <NOT>): Use gen_int_mode.

2003-03-18  Jakub Jelinek  <jakub@redhat.com>

        * config/s390/s390.c (s390_output_dwarf_dtprel): New.
        * config/s390/s390-protos.h (s390_output_dwarf_dtprel): New proto.
        * config/s390/s390.h (ASM_OUTPUT_DWARF_DTPREL): Define.

        * config/ia64/ia64.c (ia64_output_dwarf_dtprel): New.
        * config/ia64/ia64-protos.h (ia64_output_dwarf_dtprel): New proto.
        * config/ia64/ia64.h (ASM_OUTPUT_DWARF_DTPREL): Define.

2003-03-18  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't clone
        the result of machopic_function_base_name.
        * config/darwin.c (machopic_function_base_name): Use a gc-allocated
        string rather than a static array.

        * Makefile.in (emit-rtl.o): Add gt-emit-rtl.h to dependencies.

        * gengtype.c: Include rtl.h.
        (enum rtx_code): Don't define.
        (rtx_format): Make declaration match rtl.h.
        (rtx_next_new): Rename from rtx_next to avoid conflict.  Change all
        users.
        (adjust_field_rtx_def): Describe strings in NOTE_LINE_NUMBER notes.
        * Makefile.in (gengtype.o): Update dependencies.

2003-03-18  Andreas Schwab  <schwab@suse.de>

        * config/m68k/m68k.md (iordi3): Fix setting low half to -1.  From
        martin@blom.org.

2003-03-18  Geoffrey Keating  <geoffk@apple.com>

        * function.c (next_block_index): Mark with GTY.

        * config/rs6000/rs6000.md (macho_correct_pic): Correct pattern.

2003-03-18  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.md (UNSPECV_SETJMP_RECEIVER): New.
        (builtin_setjmp_receiver): Delay call to ia64_reload_gp
        until after reload.

2003-03-18  Richard Henderson  <rth@redhat.com>

        * builtins.c (expand_builtin_unop): New target_mode operand;
        use it to convert the result to the correct mode.
        (expand_builtin): Update all callers.

2003-03-18  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("movti", "movhi", "movqi"): Add "type" attribute.

2003-03-18  Jan Hubicka  <jh@suse.cz>

        * i386.md:  Fix previous commit that mistakely applied the patch
        twice.

        * alias.c (rtx_equal_for_memref_p): Assume that X and Y has been
        canonicalized.
        (memrefs_conflict_p): Likewise.
        (addr_side_effect_eval): Canonicalize the constructed address.

2003-03-18  Jan Hubicka  <jh@suse.cz>

        * i386.md (cvtts?2si peep2): New.

2003-03-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*iorsi3_two_qi_zext): New.

2003-03-18  Andreas Schwab  <schwab@suse.de>

        * dwarf2out.c (output_file_names): Cast size_t to unsigned long
        for format.

2003-03-17  Jason Merrill  <jason@redhat.com>

        PR c++/10091
        * expr.c (expand_expr) [ADDR_EXPR]: Disallow taking the address of
        an unaligned member of TREE_ADDRESSABLE type.

2003-03-18  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/linux64.h (MASK_PROFILE_KERNEL): Define.
        (TARGET_PROFILE_KERNEL): Define.
        (SUBTARGET_SWITCHES): Handle -mprofile-kernel.
        (PROFILE_BEFORE_PROLOGUE): Don't define.
        (PROFILE_KERNEL): Remove hacks.
        * config/rs6000/rs6000.c (TARGET_PROFILE_KERNEL): Define default.
        (rs6000_stack_info): No need to save lr if just for profiling when
        TARGET_PROFILE_KERNEL.
        (output_profile_hook): Output nothing when TARGET_PROFILE_KERNEL.
        (output_function_profiler): Localize label generation.  Emit code
        for kernel profiling.

2003-03-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Add a prototype for
        byte_accesses_mergeable_p.
        * config/h8300/h8300.c (byte_accesses_mergeable_p): New.
        * config/h8300/h8300.md (*iorhi3_two_qi_mem): Likewise.
        (a splitter): Likewise.
        (*iorsi3_ashift_16_ashift_24): Likewise.
        (*iorsi3_ashift_16_ashift_24_mem): Likewise.

2003-03-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * dwarf2asm.h: Delete obsolete comment.
        (dw2_asm_output_data, dw2_asm_output_delta, dw2_asm_output_offset,
        dw2_asm_output_pcrel, dw2_asm_output_addr,
        dw2_asm_output_addr_rtx, dw2_asm_output_encoded_addr_rtx,
        dw2_asm_output_nstring, dw2_asm_output_data_uleb128,
        dw2_asm_output_data_sleb128, dw2_asm_output_delta_uleb128,
        dw2_asm_output_delta_sleb128): Add ATTRIBUTE_NULL_PRINTF.

2003-03-17  Zack Weinberg <zack@codesourcery.com>

        * c-tree.h (struct lang_identifier): Remove error_locus field.
        (IDENTIFIER_ERROR_LOCUS): Kill.
        (record_function_scope_shadow): New prototype.
        * c-typeck.c (build_external_ref): Don't complain if
        decl is error_mark_node.  When not at file scope, bind the
        decl's local value to error_mark_node to suppress further
        warnings, instead of setting IDENTIFIER_ERROR_LOCUS.

        * c-decl.c (get_function_binding_level): New static function.
        (record_function_scope_shadow): New exported function.
        (c_make_fname_decl): Use get_function_binding_level.

2003-03-17  Steve Ellcey  <sje@cup.hp.com>

        * stmt.c (tail_recursion_args): Call promote_mode to set
        unsignedp flag correctly before calling convert_move.

2003-03-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * loop-unroll.c (decide_peel_completely,
        decide_unroll_constant_iterations, decide_unroll_stupid,
        decide_unroll_runtime_iterations, decide_peel_simple): Set
        loop->has_desc.

2003-03-17  Jan Hubicka  <jh@suse.cz>

        * ggc-common.c (ggc_mark_roots): Use htab_traverse_noresize.

2003-03-17  Olivier Hainque  <hainque@act-europe.fr>

        * function.c (assign_parms): For a struct value address passed as
        first argument, delay the function's result RTL setup code until
        after the emission of parameter conversions.

2003-03-17  Dave Love  <fx@gnu.org>
            Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/alpha/osf.h (TARGET_OS_CPP_BUILTINS): Define __digital__,
        __arch64__ to match Compaq cc.

2003-03-17  Neil Booth  <neil@daikokuya.co.uk>

        * c-opts.c: Default TARGET_EBCDIC to 0 if not defined.
        (c_common_init): Set EBCDIC in cpp options.
        * cpplex.c (maybe_read_ucs, cpp_parse_escape): Use EBCDIC option,
        not conditional compilation.
        * cpplib.h (struct cpp_options): New entry EBCDIC.

2003-03-17  Neil Booth  <neil@daikokuya.co.uk>

        * fix-header.c (read_scan_file): Need to malloc arguments to add_path.

2003-03-17  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * function.c (thread_prologue_and_epilogue_insns): Set delete_unused
        argument to 0 for redirect_jump.

2003-03-16  Mark Mitchell  <mark@codesourcery.com>

        PR c++/8805
        * except.c (eh_region_u_cleanup): Add prev_try.
        (expand_eh_region_end_cleanup): Set it.
        (reachable_handlers): Use it to skip over cleanup blocks.

2003-03-17  Andreas Jaeger  <aj@suse.de>

        * Makefile.in (TAGS): Remove obsolete handling of =*.[chy].

2003-03-17  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/linux64.h (TARGET_64BIT): Redefine.
        (TARGET_RELOCATABLE, TARGET_EABI, TARGET_PROTOTYPE): Likewise.
        (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Likewise.
        (SUBTARGET_OVERRIDE_OPTIONS, CPP_SYSV_SPEC): Likewise.

2003-03-16  Richard Henderson  <rth@redhat.com>

        * simplify-rtx (simplify_binary_operation): Don't abort for
        SS_PLUS, US_PLUS, SS_MINUS, US_MINUS.

2003-03-16  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md (movstrictqi, movstrictqi_1): Check
        optimize_size as well.

2003-03-16  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (print_operand): Handle 'b' modifier
        for D register to specify the low part of it, aka B.
        (m68hc11_gen_movhi): Use REG_WAS_0 note and increment or decrement
        the register if we are loading 1 or -1 to it; avoid using temp
        register when moving X/Y to Y/X.
        (m68hc11_gen_movqi): Likewise.
        (m68hc11_check_z_replacement): Fix last insn setting for compare case.

2003-03-14  Mark Mitchell  <mark@codesourcery.com>

        PR optimization/9016
        * config/i386/i386.c (ix86_expand_move): Force more CONST_DOUBLEs
        into the constant pool.

2003-03-16  Falk Hueffner  <falk.hueffner@student.uni-tuebingen.de>

        PR target/9164
        * tree.c (get_narrower): For extensions with unchanged bit number,
        return the unsignedness of the outer mode.

2003-03-16  Roger Sayle  <roger@eyesopen.com>

        * c-typeck.c (build_component_ref):  Turn "for" into "do .. while"
        to avoid "may be used uninitialized" warning on ia64-hpux.
        * config/ia64/ia64-c.c: Include "tm_p.h" for function prototypes.

2003-03-16  Andreas Jaeger  <aj@suse.de>

        * configure.in: Improve check for memcheck.h.
        * configure: Regenerated.

2003-03-16  Neil Booth  <neil@daikokuya.co.uk>

        * doc/cppopts.texi: Remove documentation of -A-.

2003-03-15  Zack Weinberg  <zack@codesourcery.com>

        * doc/libgcc.texi: Remove @tie.

2003-03-15  Josef Zlomek  <zlomekj@suse.cz>

        * rtl.h (subrtx_p): Renamed to rtx_referenced_p.
        (rtx_pair): Added new element update_label_nuses, renamed to
        replace_label_data.
        * cfgcleanup.c (outgoing_edges_match, try_crossjump_to_edge): Use
        replace_label_data instead of rtx_pair.
        * loop.c (load_mems): Likewise.
        * rtlanal.c (replace_label): Replace label in pool constants and in
        INSN_LIST (in REG_LABEL note).
        (subrtx_p): Renamed to rtx_referenced_p.
        (subrtx_p_1): Renamed to rtx_referenced_p_1, compare the interior of
        LABEL_REF with CODE_LABEL, traverse constants from pool.

2003-03-15  Aldy Hernandez <aldyh@redhat.com>
            Zack Weinberg  <zack@codesourcery.com>

        * Makefile.in (TEXI_GCCINT_FILES): Add libgcc.texi.
        * doc/libgcc.texi: New file.
        * doc/interface.texi: Delete paragraph about libgcc interface.
        * doc/gccint.texi: Add libgcc menu entry and @include libgcc.texi.

2003-03-15  Jason Merrill  <jason@redhat.com>

        PR debug/9039
        * dwarf2out.c (gen_decl_die): Ignore frontend tree codes.

        PR debug/6387
        * dwarf2out.c (dwarf2out_decl): If we're at -g1, just stick nested
        function DIEs at toplevel.
        (decls_for_scope): At -g1, don't descend into subblocks.

2003-03-15  Ulrich Weigand  <uweigand@de.ibm.com>

        * varasm.c (struct rtx_const): Change type of un.addr member
        to struct holding an additional 'symbol' member.
        (decode_rtx_const): Re-enable optimization to count SYMBOL_REFs
        with equal string addresses as equal.
        (simplify_subtraction): Adapt to struct rtx_const change.

2003-03-15  Neil Booth  <neil@daikokuya.co.uk>

        * fix-header.c (read_scan_file): Read main file before handling -D.

2003-03-15  Roger Sayle  <roger@eyesopen.com>

        * c-cppbuiltin.c (builtin_define_with_value_n): Fix whitespace.
        * c-typeck.c (c_tree_expr_nonnegative_p): Likewise.
        * cfgbuild.c (find_many_sub_basic_blocks): Likewise.
        (find_sub_basic_blocks): Likewise.
        * cgraphunit.c (cgraph_expand_functions): Likewise.
        * dwarf2out.c (prune_unused_types): Likewise.
        * expr.c (store_field): Likewise.
        * genextract.c (print_path): Likewise.
        * haifa-sched.c (schedule_insn): Likewise.
        * lcm.c (compute_antinout_edge): Likewise.
        * loop-unroll.c (decide_peel_once_rolling): Likewise.
        * ra-colorize.c (ra_colorize_free_all): Likewise.
        * ra-debug.c (dump_igraph): Likewise.
        (debug_hard_reg_set): Likewise.
        * reg-stack.c (reg_to_stack): Likewise.
        * rtlanal.c (refers_to_regno_p): Likewise.
        * tracer.c (layout_superblocks): Likewise.

2003-03-15  Neil Booth  <neil@daikokuya.co.uk>

        * fix-header.c (read_scan_file): Fix thinko.

2003-03-15  Glen Nakamura  <glen@imodulo.com>

        * reload1.c (choose_reload_regs): Use && instead of ||
        with REG_CANNOT_CHANGE_MODE_P condition.

2003-03-15  Neil Booth  <neil@daikokuya.co.uk>

        * Makefile.in: Update.
        * c-common.h (cb_register_builtins): Rename c_cpp_builtins.
        * c-lex.c (init_c_lex): Register builtins hook is dead.
        * c-opts.c (COMMAND_LINE_OPTIONS, missing_arg): Handle -A, -D and -U.
        (c_common_decode_option): Don't call cpp_handle_option.
        Handle -A, -D and -U.
        (handle_deferred_opts): Simplify.
        (finish_options): Define builtins and command line macros.
        * c-ppoutput.c (init_pp_output): Register builtins hook is dead.
        * cppinit.c: Don't include intl.h.
        (init_builtins): Rename cpp_init_builtins.  No hook to call.
        (init_library): Don't need to sort options.
        (cpp_create_reader): Don't set pending.
        (cpp_destroy): Don't free pending.
        (struct pending_option, cl_directive_handler, struct cpp_pending,
        APPEND, free_chain, new_pending_directive, parse_option, opt_comp,
        cpp_finish_options, COMMAND_LINE_OPTIONS, DEF_OPT, struct cl_option,
        cl_options, cpp_handle_option): Remove.
        * cpplib.h (struct cpp_pending, register_builtins, cpp_handle_option,
        cpp_finish_options): Remove.
        (cpp_init_builtins): New.
        * fix-header.c (read_scan_file): Update to handle -D.  Fix
        handling of -I.  Replace call to cpp_finish_options.

2003-03-15  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        PR optimization/9387
        * function.c (thread_prologue_and_epilogue_insns): Use redirect_jump
        for conditional returns.

2003-03-14  Jason Merrill  <jason@redhat.com>

        PR optimization/6871
        * varasm.c (assemble_variable): Leave constant zeroes in .rodata.

2003-03-14  Neil Booth  <neil@daikokuya.co.uk>

        * c-opts.c (finish_options): New.
        (COMMAND_LINE_OPTIONS, c_common_decode_option): Add -imacros.
        (missing_arg): Handle OPT_include and OPT_imacros.
        (c_common_init, c_common_parse_file): Use finish_options.
        (handle_deferred_opts): Update.
        * cppinit.c (struct cpp_pending): Remove imacros_head and imacros_tail.
        (cpp_finish_options): Don't handle -imacros here.
        (no_fil): Remove.
        (COMMAND_LINE_OPTIONS, cpp_handle_option): Don't handle -imacros.

2003-03-14  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/rs6000.c (rs6000_emit_load_toc_table): Don't call
        rs6000_maybe_dead if !fromprolog.

2003-03-14  Neil Booth  <neil@daikokuya.co.uk>

        * Makefile.in: Update.
        * c-common.h (fe_file_change, pp_file_change): New.
        * c-lex.c (init_c_lex): Don't set cb_file_change.
        (c_common_parse_file): Move to c-opts.c.
        (cb_file_change): Rename fe_file_change.
        * c-opts.c: Include debug.h.
        (warn_unused_macros, include_cursor): New.
        (push_command_line_include, cb_file_change): New.
        (COMMAND_LINE_OPTIONS): Handle -include.
        (c_common_decode_option): Use local warn_unused_macros.
        Handle OPT_include.
        (c_common_post_options): Set file change callback.
        (handle_deferred_opts): Skip -include.  Don't free the array.
        (c_common_init): Call cpp_finish_options here, and push an
        initial -include file.
        * c-ppoutput.c (cb_file_change): Rename pp_file_change.
        (preprocess_file): Don't call cpp_finish_options.
        (init_pp_output): Don't set the file change callback.
        (pp_file_change): Return if no line commands or no output.
        * cpphash.h (next_include_file, first_unused_line): Remove.
        * cppinit.c (include_head, include_tail): Remove.
        (cpp_destroy): Don't free -include chain.
        (cpp_finish_options): Don't handle -include, or worry about
        -Wunused-macros.
        (_cpp_maybe_push_include_file): Remove.
        (COMMAND_LINE_OPTIONS, cpp_handle_option): Don't handle -include.
        * cpplib.c (_cpp_pop_buffer): Don't handle -include.
        * cppmacro.c (_cpp_warn_if_unused_macro, _cpp_create_definition):
        Used flag is set based upon the state of the warn_unused_macros
        flag, and so use of first_unused_line is unnecessary.

2003-03-13  Jan Hubicka  <jh@suse.cz>

        * cselib.c (clear_table): Do not take argument; always clear just
        used slots.
        (cselib_process_insn):  Update call of clear_table
        (cselib_init): Do not call clear_table.
        (cselib_finish): Clear table.

        * cse.c (count_reg_usage): Do not check side_effects_p.
        * rtlanal.c (set_noop_p): Check side_effects_p only when set looks
        like noop.
        (find_reg_equal_equiv_note): Do not use find_reg_note.

2003-03-14  Richard Henderson  <rth@redhat.com>

        PR target/9700
        * config/alpha/alpha.c (alpha_va_start): Account for
        current_function_pretend_args_size in the AP offset.

        * config/alpha/alpha.h (SETUP_INCOMING_VARARGS): Move out of line.
        (INITIAL_ELIMINATION_OFFSET): Move out of line.
        * config/alpha/alpha.c (alpha_setup_incoming_varargs): New.
        (alpha_initial_elimination_offset) New.
        * config/alpha/alpha-protos.h: Update.

2003-03-14  Jakub Jelinek  <jakub@redhat.com>

        * stmt.c (expand_start_case): Call emit_queue ().

2003-03-14  Chris Demetriou  <cgd@broadcom.com>
            Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.h (FUNCTION_PROFILER): _mcount() doesn't pop 2
        words in new abis.

2003-03-14  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR optimization/8396
        * tree-inline.c (initialize_inlined_parameters): Make sure the value
        of read-only constant arguments is passed with the right type.

2003-03-14  Steven Bosscher  <steven@gcc.gnu.org>

        * doc/extend.texi (Function Names): Make the example compilable.

2003-03-13  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (processor_target_table): Really allow
        GP optional instructions on Power4.

2003-03-13  Roger Sayle  <roger@eyesopen.com>

        * calls.c (flags_from_decl_or_type): Factor and remove redundant
        conditional tests.

2003-03-13  Mike Stump  <mrs@apple.com>

        * ggc-page.c (struct page_entry): Remove varray.h header.
        Add index_by_depth field.
        Remove save_in_use_p field.
        (struct globals): Add depth_in_use, depth_max, by_depth_in_use,
        by_depth_max, by_depth, and save_in_use fields.
        (INITIAL_PTE_COUNT): Add.
        (save_in_use_p_i): Add.
        (save_in_use_p): Add.
        (adjust_depth): Add.
        (move_ptes_to_front): Add.
        (push_depth): Add.
        (push_by_depth): Add.
        (prefetch): Add.
        (free_page): Add support for and use faster data structures.
        (ggc_alloc): Likewise.
        (init_ggc): Likewise.
        (ggc_recalculate_in_use_p): Likewise.
        (ggc_pop_context): Likewise.
        (clear_marks): Likewise.
        (ggc_pch_read): Likewise.
        * Makefile.in (ggc-page.o): Remove varray.h.

2003-03-13  Nathanael Nerode  <neroden@gcc.gnu.org>

        * ChangeLog: Rotated last year's entries to...
        * ChangeLog.8: New.

        * config/ia64/fde-glibc.c, config/ia64/freebsd.h,
        config/ia64/hpux.h, config/ia64/hpux_longdouble.h,
        config/ia64/ia64-c.c, config/ia64/ia64-modes.def,
        config/ia64/ia64-protos.h, config/ia64/ia64.c,
        config/ia64/ia64.h, config/ia64/ia64.md,
        config/ia64/itanium1.md, config/ia64/itanium2.md,
        config/ia64/quadlib.c, config/ia64/unwind-ia64.c,
        config/ia64/unwind-ia64.h: It's GCC, not GNU CC.

2003-03-13  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_dwarf_register_span):
        Differentiate endianness.
        (s6000_override_options): Use cpu type instead of TARGET_SPE.

2003-03-13  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.c (print_multi_reg): Do not generate a type 2
        LDM instructions with writeback enabled.
        (output_return_instruction): Likewise.

        * config/arm/pe.h (FIXED_REGISTERS): Remove definition.
        (CALL_USED_REGISTERS): Remove definition.
        (SUBTARGET_CONDITIONAL_REGISTER_USAGE): Define.

2003-03-13  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_flag_pic): Delete.
        (rs6000_xcoff_encode_section_info): #ifdef TARGET_XCOFF.
        (rs6000_binds_local_p, TARGET_BINDS_LOCAL_P): #if TARGET_MACHO.
        (rs6000_override_options): Don't clear flag_pic for ABI_AIX.
        (rs6000_legitimize_address): Formatting.
        (rs6000_emit_move): Likewise.
        (rs6000_return_addr): Test ABI_AIX as well as flag_pic.
        (rs6000_emit_prologue <save_LR_around_toc_setup>): Likewise.
        (rs6000_elf_select_section): Comment reason for shlib being
        set for ABI_AIX.
        (rs6000_elf_unique_section): Likewise.
        (rs6000_elf_encode_section_info): Test !TARGET_AIX as well as ABI_AIX.
        * config/rs6000/rs6000.h (LEGITIMATE_LO_SUM_ADDRESS_P): Test ABI_AIX
        as well as flag_pic.
        * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
        (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
        * config/rs6000/linux64.h (TARGET_ENCODE_SECTION_INFO): Don't define.

2003-03-13  Richard Henderson  <rth@redhat.com>

        * emit-rtl.c (try_split): Handle 1-1 splits of call insns properly.

        * config/ia64/ia64.c (TARGET_FUNCTION_OK_FOR_SIBCALL): New.
        (ia64_gp_save_reg): Remove.
        (struct ia64_frame_info): Move to the beginning of the file;
        add reg_save_gp.
        (ia64_expand_call): Rearrange for new call patterns.
        (ia64_reload_gp): New.
        (ia64_split_call): New.
        (ia64_compute_frame_size): Allocate reg_save_gp.
        (ia64_expand_prologue): Save reg_save_gp.
        (ia64_expand_epilogue): Don't restore gp.
        (ia64_hard_regno_rename_ok): Remove R4 hack.
        (ia64_function_ok_for_sibcall): New.
        (ia64_output_mi_thunk): Set reload_completed, no_new_pseudos;
        call try_split on sibcall pattern.
        * config/ia64/ia64-protos.h: Update.
        * config/ia64/ia64.md (call_nogp, call_value_nogp, sibcall_nogp):
        Rename from nopic versions.  Confiscate 2nd argument to call as
        a marker.
        (call_pic, call_value_pic, sibcall_pic): Remove.
        (call_gp, call_value_gp, sibcall_gp): New.
        (builtin_setjmp_setup): Remove.
        (builtin_setjmp_receiver): Call ia64_reload_gp.

2003-03-12  Nathanael Nerode  <neroden@gcc.gnu.org>

        * config/dsp16xx/dsp16xx-protos.h, config/dsp16xx/dsp16xx.c,
        config/dsp16xx/dsp16xx.h, config/dsp16xx/dsp16xx.md: Replace
        "GNU CC" with "GCC".

        * config/c4x/c4x-c.c, config/c4x/c4x-modes.def,
        config/c4x/c4x-protos.h, config/c4x/c4x.c, config/c4x/c4x.h,
        config/c4x/c4x.md, config/c4x/libgcc.S, config/c4x/rtems.h:
        GCC, not GNU CC.

        * genattrtab.h, hosthooks-def.h, hosthooks.h, langhooks-def.h,
        langhooks.h, tree-inline.h: Replace "GNU CC" with "GCC".

        * c-pch.c, dummy-conditions.c, genautomata.c, genconditions.c,
        langhooks.c, tree-inline.c, unwind-dw2-fde-darwin.c,
        unwind-dw2-fde-glibc.c, unwind-libunwind.c, vmsdbgout.c: Replace
        "GNU CC" with "GCC".

        * config/v850/lib1funcs.asm, config/v850/rtems.h,
        config/v850/v850-c.c, config/v850/v850-protos.h,
        config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
        GCC, not GNU CC.

        * config/vax/bsd.h, config/vax/elf.h, config/vax/netbsd-elf.h,
        config/vax/netbsd.h, config/vax/openbsd.h, config/vax/openbsd1.h,
        config/vax/ultrix.h, config/vax/vax-protos.h, config/vax/vax.c,
        config/vax/vax.h, config/vax/vax.md, config/vax/vaxv.h: GCC, not
        GNU CC.

2003-03-12  Benjamin Kosnik  <bkoz@redhat.com>

        * cpppch.c (cpp_valid_state): Use DL_WARNING_SYSHDR, not DL_WARNING.

2003-03-12  Nathanael Nerode  <neroden@gcc.gnu.org>

        * fixinc/fixinc.interix: Remove dead code (most of it).
        * fixinc/fixinc.dgux: Remove.

        * ginclude/float.h, ginclude/iso646.h, ginclude/stdarg.h,
        ginclude/stdbool.h, ginclude/stddef.h: GCC, not GNU CC.

2003-03-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (pa_init_builtins): Fix warning.

2003-03-12  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR): Remove.
        (ASM_OUTPUT_XDATA_SHORT): Remove.
        (ASM_OUTPUT_XDATA_INT): Remove.
        (ASM_OUTPUT_XDATA_DOUBLE_INT): Remove.
        (ASM_OUTPUT_ADDR_DIFF_ELT): Handled 32 bit address diffs.
        (ASM_PREFERRED_EH_DATA_FORMAT): Handle 32 bit EH pointers.
        (CASE_VECTOR_MODE): Handle 32 bit pointers in case statement.

2003-03-12  Andrew Lewycky  <andrew@mxc.ca>

        PR c++/7050
        * expr.c (store_expr): Don't attempt to store void-typed trees,
        just evaluate them for side effects.

2003-03-12  Neil Booth  <neil@daikokuya.co.uk>

        * cppfiles.c (cpp_rename_file, cpp_push_include): New.
        * cppinit.c (push_include): Move with changes to cppfiles.c.
        (cpp_read_main_file): Mark named operators here...
        (cpp_finish_options): ...not here.  Update.
        (_cpp_maybe_push_include_file): Update.
        * cpplib.h (cpp_push_include, cpp_rename_file): New.

2003-03-12  Nathanael Nerode  <neroden@gcc.gnu.org>

        * aclocal.m4: Introduce gcc_GAS_VERSION_GTE_IFELSE,
        _gcc_COMPUTE_GAS_VERSION.
        * configure.in: Use them.
        * configure: Regenerate.

2003-03-12  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.md (adddi3): Don't clobber source operand used
        to detect carry.
        (subdi3): Reorder emitted instructions.

2003-03-12  Andreas Jaeger  <aj@suse.de>

        * config/i386/netbsd64.h (TARGET_OS_CPP_BUILTINS): Remove call to
        NETBSD_OS_CPP_BUILTINS_LP64.

2003-03-12  Nathanael Nerode  <neroden@gcc.gnu.org>

        * Makefile.in: Eliminate all.indirect.  Update and clean up comments.
        Rearrange.  Reorganize.
        * configure.in: Rearrange.
        * configure: Regenerate.

2003-03-12  Andreas Jaeger  <aj@suse.de>

        * c-cppbuiltin.c (cb_register_builtins): Define LP64 builtins for
        LP64 targets.

        * doc/cpp.texi (Common Predefined Macros): Document __LP64__ and
        _LP64.

        * config/ia64/ia64.h (TARGET_CPU_CPP_BUILTINS): Do not define
        _LP64 macros here.
        * config/pa/pa.h (TARGET_CPU_CPP_BUILTINS): Likewise.

        * config/alpha/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove call to
        NETBSD_OS_CPP_BUILTINS_LP64.
        * config/sh/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Likewise.
        * config/sparc/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Likewise.

        * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_LP64): Remove.

2003-03-12  Jan Hubicka  <jh@suse.cz>

        * i386.c (ix86_setup_incoming_varargs): Set stack_alignment_needed to 128.

2003-03-12  Daniel Jacobowitz  <drow@mvista.com>

        Fix PR target/9797 and PR c/9853.
        * stmt.c (expand_decl_init): Call push_temp_slots () and
        pop_temp_slots ().

2003-03-12  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.c: Include basic-block.h.
        (sh_output_mi_thunk, emit_load_ptr): New functions.
        (TARGET_ASM_OUTPUT_MI_THUNK, TARGET_ASM_CAN_OUTPUT_MI_THUNK): Redefine.

2003-03-12  Nick Clifton  <nickc@redhat.com>

        * config/arm/pe.h (FIXED_REGISTERS): Add Maverick registers.
        (CALL_USED_REGISTERS): Likewise.
        * config/arm/arm.h (FIRST_PSEUDO_REGISTER): Update comment
        describing how this value is calculated.

2003-03-12  Hans-Peter Nilsson  <hp@bitrange.com>

        * configure.in (rlim_t): Define to long if no valid definition
        found in sys/resource.h.
        * config.in, configure: Regenerate.

2003-03-12  Neil Booth  <neil@daikokuya.co.uk>

        * config/mcore/mcore-elf.h (CPP_PREDEFINES): Replace with
        TARGET_OS_CPP_BUILTINS.
        * config/mcore/mcore-pe.h: Similarly.
        * config/mcore/mcore.h: Replace CPP_PREDEFINES and part of
        CPP_SPEC with TARGET_CPU_CPP_BUILTINS.

2003-03-12  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR c/9928
        * c-decl.c (duplicate_decls): Discard the initializer of the new decl
        only if it is a VAR_DECL.

2003-03-12  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR optimization/9888
        * config/i386/i386.md (jcc_1): Fix range.
        (jcc_2): Likewise.
        (jump): LIkewise.
        (doloop_end_internal): Likewise.

2003-03-12  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/winnt.c (DLL_IMPORT_PREFIX): New define.
        Use throughout instead of DLL_IMPORT_EXPORT_PREFIX and "e."
        (DLL_EXPORT_PREFIX): New define. Use throughout instead of
        DLL_IMPORT_EXPORT_PREFIX and "i."
        (i386_pe_dllexport_name_p): Here.
        (i386_pe_dllimport_name_p): Here.
        (i386_pe_mark_dllexport): Here. Remove DLL_IMPORT_PREFIX,
        not 9 chars when getting identifier name.
        (i386_pe_mark_dllimport): Here.
        (i386_pe_encode_section_info): Here. Remove DLL_IMPORT_PREFIX,
        not 9 chars when getting identifier name. Correct comment.
        (i386_pe_strip_name_encoding): Here. Add comments for different
        cases.
        (gen_fastcall_suffix): Break down xmalloc() argument to
        components.
        (gen_stdcall_suffix): Likewise.
        Update copyright year.

2003-03-12  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR optimization/9888
        * config/i386/i386.md (movsi_1): Remove special alternatives
        for %eax register.
        (movsi_1_nointernunit): Likewise.
        (movhi_1): Likewise.
        * config/i386/i386.c (memory_address_length): Do not use
        short displacement when there is no base.
        (ix86_attr_length_address_default): Handle LEA instructions.

2003-03-12  Neil Booth  <neil@daikokuya.co.uk>

        * c-cppbuiltin.c (builtin_define_std): Make non-static.

2003-03-11  Loren James Rittle  <ljrittle@acm.org>

        * config/freebsd-spec.h (FBSD_CPP_PREDEFINES): Remove.
        (FBSD_TARGET_OS_CPP_BUILTINS): New port-specific macro.
        (FBSD_TARGET_CPU_CPP_BUILTINS): New port-specific macro.
        * config/freebsd.h (CPP_PREDEFINES): Remove.
        (TARGET_OS_CPP_BUILTINS): New.
        * config/alpha/freebsd.h: Use overridden FBSD_TARGET_CPU_CPP_BUILTINS
        instead of TARGET_OS_CPP_BUILTINS.
        * config/sparc/freebsd.h (CPP_PREDEFINES): Remove.

2003-03-11  Geoffrey Keating  <geoffk@apple.com>

        * c-cppbuiltin.c (builtin_define_std): Add ATTRIBUTE_UNUSED.

2003-03-11  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_stack_info): Remove
        insn_chain_scanned.  Use insn_chain_scanned_p in machine_function.

        * config/rs6000/rs6000.h (machine_function): Add insn_chain_scanned_p.

2003-03-11  Alexandre Oliva  <aoliva@redhat.com>

        * toplev.c (independent_decode_option): Return success for --help,
        --target-help and --version.

2003-03-11  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/linux64.h (DRIVER_SELF_SPECS): Add endian_spec.
        Default to -mips3 on -mabi=64.  Don't add -mips* flag if -march is
        specified.
        (SUBTARGET_ASM_SPEC): Remove -mips*-adding code obviated by
        DRIVER_SELF_SPECS.
        (LINK_SPEC): Let endian options affect the linker emulation name.

2003-03-11  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.md (reload_inqi): Fix mode for source in second set.

2003-03-11  Jan Hubicka  <jh@suse.cz>

        * cselib.c (cselib_invalidate_mem_1): Move too ...
        (cselib_invalidate_mem): ... here; use new list
        (dummy_val, first_containing_mem): New static variables.
        (clear_table): Initialize first_containing_mem.
        (discard_useless_values):  Compact the containing_mem list.
        (add_mem_for_addr): Add to the list.
        * cselib.h (cselib_val): Add next_containing_mem.

2003-03-11  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_override_options): Disable string
        instructions for e500.

2003-03-11  Neil Booth  <neil@daikokuya.co.uk>

        * Makefile.in: Update.
        * c-cppbuiltin.c: Include tm_p.h.

2003-03-11  Aldy Hernandez  <aldyh@redhat.com>

        * doc/tm.texi (Frame Registers): Document DWARF_REG_TO_UNWIND_COLUMN.

        * unwind-dw2.c (DWARF_REG_TO_UNWIND_COLUMN): Define.
        (_Unwind_GetGR): Use DWARF_REG_TO_UNWIND_COLUMN.
        (_Unwind_SetGR): Same.
        (_Unwind_GetGRPtr): New.
        (_Unwind_SetGRPtr): New.
        (uw_update_context_1): Use accesor functions instead of accessing
        context->reg[] directly.
        (uw_install_context_1): Same.
        (execute_cfa_program): Same.
        (__frame_state_for): Same.

        * config/rs6000/rs6000.c (spe_synthesize_frame_save): Use 1200 as
        the synthetic register offset.

        * config/rs6000/rs6000.h (DWARF_REG_TO_UNWIND_COLUMN): New.

2003-03-11  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.md: Remove lingering EGCS reference.
        ("*extopqihi_side_biap"): For HI operation, match
        cris_additive_operand_extend_operator, not
        cris_operand_extend_operator.  Adjust condition.
        ("*extopqihi_side", "*extopqihi"): Ditto.
        ("*extopqisi_side_biap"): Correct operand numbers in condition.
        ("*extophisi_side_biap", "*extopqisi_swap_side_biap"): Ditto.
        ("*extophisi_swap_side_biap", "*extopqisi_swap"): Ditto.
        ("*extophisi_swap"): Ditto.
        ("*extopqihi_swap_side_biap"): For HI operation, match a simple
        PLUS, not cris_operand_extend_operator.  Adjust condition and
        output template.
        ("*extopqihi_swap_side", "*extopqihi_swap"): Ditto.
        * config/cris/cris.h (PREDICATE_CODES): Add
        cris_additive_operand_extend_operator.
        * config/cris/cris.c (cris_additive_operand_extend_operator):
        New predicate.

2003-03-11  Hartmut Penner  <hpenner@de.ibm.com>

        * df.c (read_modify_subreg_p): Change from static to global.
        * df.h (read_modify_subreg_p): Add prototype.
        * sched-deps.c (sched_analyze_1): Generate true dependency for
        strict_low_part, certain subregs and zero/sign_extract.

2003-03-11  Neil Booth  <neil@daikokuya.co.uk>

        * Makefile.in: Update.
        * c-common.c: Don't include real.h or except.h.
        (REGISTER_PREFIX): Remove.
        (builtin_define_std, builtin_define_with_value,
        builtin_define_with_int_value, builtin_define_with_hex_fp_value,
        builtin_define_type_max, builtin_define_type_precision,
        builtin_define_float_constants): Move to c-cppbuiltin.c.
        (c_stddef_cpp_builtins): New.
        * c-common.h (builtin_define_with_value, c_stddef_cpp_builtins): New.
        * c-cppbuiltin.c: New, extracted from c-common.c.
        (define__GNUC__): New.
        * cppspec.c (lang_specific_driver): Remove support of -no-gcc.
        * gcc.c: Remove support of %v1, %v2 and %v3 specs.
        (cpp_unique_options): Don't support no-gcc.
        (do_spec_1): Remove support of version specs.
        * doc/invoke.texi: Remove documentation of %v1, %v2 and %v3.
        * doc/passes.texi: Update.
        * doc/tm.texi: Update.

2003-03-10  Aldy Hernandez  <aldyh@redhat.com>

        * dwarf2out.c (multiple_reg_loc_descriptor): Fix thinko.

2003-03-10  Andrew Pinski  <apinski@apple.com>

        * config/darwin.c (machopic_function_base_name): If dynamic-no-pic
        is on should not get here.
        (machopic_indirect_data_reference): If dynamic-no-pic is on just
        generate high/low parts of the address.
        (machopic_legitimize_pic_address): Change MACHOPIC_PURE to
        MACHOPIC_INDIRECT. Dynamic-no-pic uses 0 as the pic base. Generate
        symbol and labels with a new reg.  Dynamic-no-pic does not have a
        pic_offset_table_rtx.
        (machopic_select_section): Change references of flag_pic to
        MACHOPIC_INDIRECT.
        (machopic_asm_out_destructor): Likewise.
        * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Change
        reference of flag_pic to MACHOPIC_INDIRECT.
        (MACHO_DYNAMIC_NO_PIC_P): Define as TARGET_DYNAMIC_NO_PIC.
        (MACHOPIC_INDIRECT): Is also true when dynamic-no-pic is on.
        (MACHOPIC_JUST_INDIRECT): Is also true when dynamic-no-pic is on.
        (MACHOPIC_PURE): Is not pure when dynamic-no-pic is on.
        * config/i386/darwin.h (MASK_MACHO_DYNAMIC_NO_PIC): Define as
        0 for right now as dynamic-no-pic is not implemented on Darwin/ia32.
        * config/rs6000/darwin.h (MASK_MACHO_DYNAMIC_NO_PIC): Define.
        (TARGET_DYNAMIC_NO_PIC): Define.
        (SUBTARGET_SWITCHES): Define, have sub-target switches for
        dynamic-no-pic.
        (SUBTARGET_OVERRIDE_OPTIONS): Move check for -fpic from
        rs6000_override_options to here. Dynamic-no-pic overrides
        pic.
        (CC1_SPEC): Change from not static then pic to not static and not
        dynamic-no-pic then pic.
        * config/rs6000/rs6000.c (rs6000_override_options): Move the
        check for -fpic and DARWIN_ABI to config/rs6000/darwin.h
        (rs6000_legitimize_reload_address): Add case for loading floating in
        dynamic-no-pic.
        (rs6000_emit_move): Add case for dynamic-no-pic.  Change reference
        of flag_pic to MACHOPIC_INDIRECT.
        (secondary_reload_class): Conditional change the reference of
        flag_pic to MACHOPIC_INDIRECT.
        (rs6000_output_mi_thunk): Change reference of flag_pic to
        MACHOPIC_INDIRECT.
        (output_profile_hook): Likewise.
        (machopic_output_stub): Non-pure (dynamic-no-pic) is now supported.
        * config/rs6000/rs6000.md (movdf_low): Add the case for
        MACHO_DYNAMIC_NO_PIC_P.
        (call): Change references for flag_pic in TARGET_MACHO to
        MACHOPIC_INDIRECT.
        (SUBTARGET_OVERRIDE_OPTIONS): Add case where -fpic is on and
        -mdynamic-no-pic is on.  Also move case for -fpic from rs6000.c.
        * doc/invoke.texi (-mdynamic-no-pic): Document.

2003-03-10  Devang Patel  <dpatel@apple.com>

        PR c++/9394
        * gcc.c (DEFAULT_SWITCH_TAKES_ARG): Remove.
        (DEFAULT_WORD_SWITCH_TAKES_ARG): Remove.
        * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Add.
        (DEFAULT_WORD_SWITCH_TAKES_ARG): Add.
        * cppspec.c (DEFAULT_SWITCH_TAKES_ARG): Remove.
        (DEFAULT_WORD_SWITCH_TAKES_ARG): Remove.

2003-03-10  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        PR optimization/7189
        * toplev.c (rest_of_compilation):  Move
        check_function_return_warnings up to just after
        delete_unreachable_blocks.

2003-03-10  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.h (HARD_REGNO_RENAME_OK): Define.
        * config/m68hc11/m68hc11-protos.h (m68hc11_hard_regno_rename_ok):
        Declare.
        * config/m68hc11/m68hc11.c (m68hc11_hard_regno_rename_ok): New function
        for reg rename optimization to avoid using Z and Y registers.

2003-03-10  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md ("*addhi3_68hc12"): Accept any constant
        when adding to X and Y since leax/leay are fast.
        ("*addhi3"): Accept 'I' constraint when adding to address register.
        ("rotlhi3"): Operand 1 must be a register_operand.
        (peephole2): New peephole to optimize some adds.
        * config/m68hc11/m68hc11.h (CONST_OK_FOR_LETTER_P): Use 'I' constraint
        to represent -2 .. 2 small integer range.

2003-03-10  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (m68hc11_gen_rotate): Set carry before
        each 16-bit rotation.

2003-03-10  Zack Weinberg  <zack@codesourcery.com>

        * c-opts.c (add_prefixed_path): Don't use concat.  When
        prefixing with cpp_GCC_INCLUDE_DIR, copy only the first
        cpp_GCC_INCLUDE_DIR_len characters.

2003-03-10  Segher Boessenkool  <segher@koffie.nl>

        * testsuite/gcc.dg/altivec-9.c: New file.

        * config/rs6000/rs6000.c (altivec_frame_fixup): Remove.
        (rs6000_emit_prologue): Use rs6000_frame_related instead.

2003-03-10  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/spe.h: Define __ev64_*64__ to use single element
        vectors.
        (__ev_convert_u64): Remove macro.  Define as inline.
        (__ev_convert_s64): Same.

2003-03-10  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.h (DWARF_FRAME_REGISTERS): Define.
        (rs6000_stack_t): Add spe_64bit_regs_used.

        * config/rs6000/rs6000.c (rs6000_stack_info): Calculate
        spe_64bit_regs_used, and use it to determine the size of the
        frame.
        (spe_func_has_64bit_regs_p): New.
        (spe_synthesize_frame_save): New.
        (rs6000_frame_related): Handle SPE synthetic registers.
        (rs6000_emit_prologue): Only save in 64-bits if the function used
        any registers in 64-bit mode.
        (rs6000_emit_epilogue): Same, but for restore.

2003-03-10  Richard Earnshaw  <rearnsha@arm.com>

        * arm.h (enum floating_point_type): Delete.  Replace with...
        (enum fputype): ... new.
        (FPUTYPE_DEFAULT): Renamed from FP_DEFAULT.  Values reworked.
        * linux-elf.h (FPUTYPE_DEFAULT): Likewise.
        * arm.md (attr fpu): Reworked for new underlying enum values.
        * arm.c (arm_fpu_arch): Now enum fputype.
        (arm_fpu_tune): Renamed from arm_fpu.  Now enum fputype.
        (arm_override_options, arm_output_epilogue, arm_expand_prologue):
        Update uses of arm_fpu_arch and arm_fpu_tune.

2003-03-10  Josef Zlomek  <zlomekj@suse.cz>

        * cfgcleanup.c (outgoing_edges_match): Compare the jump tables.
        (try_crossjump_to_edge): Replace refereces to one jump table by
        references to identical jump table.
        * loop.c (load_mems): Moved setting the JUMP_LABEL to replace_label.
        (replace_label): Moved to rtlanal.c.
        (struct rtx_pair): Moved to rtl.h.
        * rtl.h (struct rtx_pair): Moved from loop.c.
        (replace_label): New extern function.
        (subrtx_p): New extern function.
        (tablejump_p): New extern function.
        * rtlanal.c (replace_label): Moved from loop.c.
        (subrtx_p_1): New static function.
        (subrtx_p): New function.
        (tablejump_p): New function.

2003-03-10  Jan Hubicka  <jh@suse.cz>

        * cfgcleanup.c (try_optimize_cfg): Fix thinko in previous patch.

        * cfgcleanup.c (merge_blocks): Return where to iterate next.
        (try_optimize_cfg): Use return value of merge_blocks

2003-03-10  Michael Matz  <matz@suse.de>

        * cfg.c (unchecked_make_edge): New.
        (cached_make_edge): Use it.
        * basic-block.h (unchecked_make_edge): Declare.
        * cfglayout.c (cfg_layout_duplicate_bb): Use it.

2003-03-10  Richard Earnshaw  <rearnsha@arm.com>

        * fpa.md: New file.  Move all patterns relating to FPA co-processor
        to here...
        * arm.md: ... from here.
        (cirrus.md, fpa.md): Include at end of description.
        (divsf3, divdf3, modsf3, movdf3, sqrtsf2, sqrtdf2): New expands.
        (pic_load_addr_based): Remove register constraint from expander.
        (seq, sne, sgt, sle, slt, sge, sgeu, sleu, sgtu, sltu, sunordered)
        (sordered, sungt, sunle, sunge, sunlt): Likewise.
        (eh_epilogue, tablejump): Likewise.

2003-03-09  David Edelsohn  <edelsohn@gnu.org>
            Mostafa Hagog

        * config/rs6000/rs6000.md (movsi_update1): Add TARGET_UPDATE final
        condition.

2003-03-09  Neil Booth  <neil@daikokuya.co.uk>

        * config/frv/frv.h: Use TARGET_CPU_CPP_BUILTINS, not CPP_PREDEFINES.
        * config/ip2k/ip2k.h: Similarly.
        * config/m32r/m32r.h: Similarly.
        * config/m68hc11/m68hc11.h: Similarly.
        * config/mn10200/mn10200.h: Similarly.
        * config/mn10300/mn10300.h: Similarly.
        * config/pdp11/pdp11.h: Similarly.
        * config/v850/v850.h: Similarly.
        * config/rs6000/vxworks.h: Similarly for TARGET_OS_CPP_BUILTINS.
        * config/v850/retms.h: Similarly for TARGET_OS_CPP_BUILTINS.
        * config/mips/iris3.h: Remove #if 0 block.

2003-03-09  Roger Sayle  <roger@eyesopen.com>
            Joern Rennecke <joern.rennecke@superh.com>

        * gcc.c (do_spec_1) ['{']: Revert 2003-02-24 patch.  Don't handle
        pending argument upon return from handle_braces here.
        (do_spec_2): Instead handle it upon return from do_spec_1 here.

2003-03-09  Roger Sayle  <roger@eyesopen.com>
            Joern Rennecke <joern.rennecke@superh.com>

        * gcc.c (do_spec_1) ['{']: Revert 2003-02-24 patch.  Don't handle
        pending argument upon return from handle_braces here.
        (do_spec_2): Instead handle it upon return from do_spec_1 here.

2003-03-09  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * varasm.c (make_decl_one_only): Use declare_weak().

2003-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/9986
        * c-common.c (c_common_nodes_and_builtins): Initialize target builtins
        after the common builtins.
        * pa-hpux.h (DONT_HAVE_FPUTC_UNLOCKED): Define.
        * pa.c (TARGET_INIT_BUILTINS): Define.
        (pa_init_builtins): New function.

        * pa.md (call, call_value, sibcall, sibcall_value): When sufficient
        space has been allocated for the outgoing arguments, set the arg
        pointer for a call emitted after virtuals have been instantiated
        using the stack pointer offset, otherwise abort.

2003-03-09  DJ Delorie  <dj@redhat.com>

        * config/stormy16/stormy16.h (DWARF_LINE_MIN_INSTR_LENGTH): Revert.

2003-03-09  Richard Earnshaw  <rearnsha@arm.com>

        * arm.md (fix_truncsfsi2, fix_truncdfsi2, arm_fix_truncsfsi2)
        (arm_fix_truncdfsi2): Add missing fix in floating point mode before
        conversion to integer.
        * cirrus.md (cirrus_truncsfsi2, cirrus_truncdfsi2): Likewise.

2003-03-09  Roger Sayle  <roger@eyesopen.com>

        * builtins.def: Fix typo and improve grammar.
        * loop-unroll.c (decide_peel_completely): Tidy log message.

2003-03-09  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*tstsi_upper_bit): New.
        (*iorsi3_e2f): Likewise.

2003-03-08  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (h8300_and_costs): Return the number of
        assembly instructions needed.
        (h8300_shift_costs): Likewise.

2003-03-09  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/cris/aout.h (ENDFILE_SPEC): Undef.

        * optabs.c (gen_move_insn): Move logic for synthesizing MODE_CC
        moves from here ...
        * expr.c (emit_move_insn_1): ... to here.

        * config/cris/aout.h (CRIS_CPP_SUBTARGET_SPEC): Move -D__AOUT__ to...
        (TARGET_OS_CPP_BUILTINS): New macro.
        * config/cris/cris.h (CRIS_CPP_SUBTARGET_SPEC): Move -D__ELF__ to...
        (TARGET_OS_CPP_BUILTINS): New macro.
        (CPP_PREDEFINES): Don't define.  Move old definitions and...
        (CPP_SPEC): ...move -D__CRIS_ABI_version=2 to...
        (TARGET_CPU_CPP_BUILTINS): New macro.
        * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC): Move constant
        definitions and the optional __PIC__, __pic__ and
        __NO_UNDERSCORES__ definitions to...
        (TARGET_OS_CPP_BUILTINS): New macro.

        * flags.h (flag_leading_underscore): Declare.

        * c-opts.c (c_common_post_options): On fopen failure, return
        false, not NULL.

2003-03-08  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/cris/cris_abi_symbol.c: #include tconfig.h and tm.h, not
        config.h.
        * config/cris/cris.h (HAVE_GAS_HIDDEN): Don't define here.
        * config/cris/aout.h (HAVE_GAS_HIDDEN): Undef.

2003-03-08  Neil Booth  <neil@daikokuya.co.uk>

        * config/sh/rtemself.h (TARGET_OS_CPP_BUILTINS): Use instead of
        CPP_PREDEFINES.
        * config/sh/rtems.h (TARGET_OS_CPP_BUILTINS): Use instead of
        CPP_PREDEFINES.

2003-03-08  Neil Booth  <neil@daikokuya.co.uk>

        * c-common.h (c_common_init, c_common_post_options): Update.
        * c-objc-common.c (c_objc_common_init): Update for new prototype.
        * c-opts.c (saved_lineno): New.
        (c_common_post_options, c_common_init): Update prototypes,
        move call to cpp_read_main_file from latter to former.
        * c-tree.h (c_ojbc_common_init): Update.
        * langhooks-def.h (lhd_post_options): New.
        (LANG_HOOKS_INIT, LANG_HOOKS_POST_OPTIONS): Update.
        * langhooks.c (lhd_post_options): New.
        * langhooks.h (struct lang_hooks): Update post_options and init hooks.
        * toplev.c (no_backend): New.
        (process_options): Call post_options hook and set main_input_filename
        and input_filename here.
        (lang_dependent_init, do_compile): post_options hook moved to
        process_options.
        * objc/objc-act.c (objc_init): Update prototype.
        * objc/objc-act.h (objc_init): Update prototype.

2003-03-08  Roger Sayle  <roger@eyesopen.com>

        * emit-rtl.c (gen_lowpart): Don't attempt to load a part of
        a complex or vector type, using a load in the original mode.

2003-03-08  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (cgraph.o): Depend on gt-cgraph.h and varray.h.
        * gt-cgraph.h: New GC file.
        * cgraph.c (known_fns): New static variable.
        (cgraph_node): Add the decl into varray.

2003-03-08  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.md ("*movcc_expanded"): Add missing alternatives.

2003-03-08  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (fpa_rhs_operand, fpa_add_operand, const_double_rtx_ok_for_fpa)
        (neg_const_double_ok_for_fpa, output_mov_long_double_fpa_from_arm)
        (output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm)
        (output_mov_double_arm_from_fpa): Renamed to use fpa instead of fpu.
        All callers changed.
        * arm.md, arm.h, arm-protos.h: Updated.

        * arm.h (enum reg_class FPA_REGS): Renamed from FPU_REGS.
        (CLASS_MAX_NREGS, REGISTER_MOVE_COST, REG_CLASS_FROM_LETTER): Updated.
        * arm.c (arm_regno_class, f_register_operand): Updated.

2003-03-08  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/cris/cris.h: Remove EGCS references.
        (CPP_SPEC): Remove "-$".
        (INIT_CUMULATIVE_ARGS): Adjust parameter name to FNDECL.

2003-03-08  Neil Booth  <neil@daikokuya.co.uk>

        * config/stormy16/stormy16.h (TARGET_CPU_CPP_BUILTINS): Use in
        preference to CPP_PREDEFINES.

2003-03-08  Neil Booth  <neil@daikokuya.co.uk>

        * cppinit.c (cpp_finish_options): Set first_unused_line to -1.

2003-03-08  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*extzv_16_8): New.

2003-03-08  Jan Hubicka  <jh@suse.cz>

        * c-decl.c: (finish_function): Update call of tree_inlinable_function_p.
        * cgraph.h: (cgraph_local_info): Add can_inline_once
        (cgraph_global_info): Add inline_once.
        (cgraph_node): Add previous.
        (cgraph_remove_node): New.
        * cgraphunit.c (cgraph_mark_functions_to_inline_once): New static
        function.
        (cgraph_optimize): Call it.
        (cgraph_finalize_function):  Set inlinable flags.
        (cgraph_finalize_compilation_unit):  Actually remove the reclaimed nodes.
        (cgraph_mark_functions_to_output):  Use new inlining heuristics flags.
        (cgraph_expand_function): Likewise.
        * cgraph.c
        (cgraph_node): Put nodes into doubly linked chain.
        (cgraph_remove_node): New function.
        * flags.h (flag_inline_functions_called_once): Declare.
        * tree-inline.c: Include cgraph.h
        (inlinable_functions_p): Add extra argument to bypass limits.
        (expand_call_inline):  Obey cgraph flag.
        * tree-inline.h (tree_inlinable_function_p): Update prototype.

2003-03-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * gcse.c (bypass_block, bypass_conditional_jumps): Do not create
        irreducible loops.

        * loop-unroll.c (unroll_loop_runtime_iterations): Update irreducible
        loops info correctly.

2003-03-08  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/7796
        * unroll.c (calculate_giv_inc): Handle constants being
        loaded with LSHIFTRT.

2003-03-07  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (processor_target_table): Do not disable
        GP optional instructions on Power3, Power4, 620, and 630.

2003-03-07  Kazu Hirata  <kazu@cs.umass.edu>

        * calls.c: Fix comment formatting.
        * cfgloopanal.c: Likewise.
        * cfgloopmanip.c: Likewise.
        * combine.c: Likewise.
        * dwarf2out.c: Likewise.
        * ggc-common.c: Likewise.
        * langhooks.c: Likewise.
        * loop-unroll.c: Likewise.
        * loop.c: Likewise.
        * ra-build.c: Likewise.
        * sbitmap.c: Likewise.
        * toplev.c: Likewise.

2003-03-07  James E Wilson  <wilson@tuliptree.org>

        * config/sh/sh.h (HARD_REGNO_NREGS): Round up the XD register count.

2003-03-07  Geoffrey Keating  <geoffk@apple.com>

        * objc/lang-specs.h (objective-c-header): Use .gch not .pch;
        support -no-integrated-cpp.

        * c-pch.c (get_ident): Use c_language_kind and flag_objc rather
        than langhooks.name.

2003-03-07  Michael Matz  <matz@suse.de>

        * df.h (enum df_ref_flags.DF_REF_STRIPPED): New.
        (DF_FOR_REGALLOC): New.
        * df.c (df_ref_record): Set DF_REF_STRIPPED.
        (read_modify_subreg_p): Simplify.
        (df_def_record_1, df_uses_record): Set DF_REF_MODE_CHANGE more often.
        Use DF_FOR_REGALLOC.
        * ra.h (struct web): New member subreg_stripped.
        (invalid_mode_change_regs): Declare.
        * ra.c (invalid_mode_change_regs): New.
        (init_ra): Initialize it.
        * ra-build.c (init_one_web_common, remember_web_was_spilled): Use it.
        Use CANNOT_CHANGE_MODE_CLASS as ifdef guard.
        (reinit_one_web, parts_to_web_1): Deal with subreg_stripped.
        * ra-colorize.c (colorize_one_web): Use invalid_mode_change_regs.
        Use CANNOT_CHANGE_MODE_CLASS as ifdef guard.

2003-03-07  Richard Earnshaw  <rearnsha@arm.com>

        * arm.md (addsf3, adddf3, subsf3, subdf3, mulsf3, muldf3, negsf2)
        (negdf2, abssi2, abssf2, absdf2, floatsisf2, floatsidf2)
        (fix_truncsfsi2, fix_truncdfsi2, truncdfsf2): Moved back into main
        machine description file from ...
        * cirrus.md: ... here.

2003-03-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): Don't use
        reg_overlap_mentioned_p.

2003-03-06  Geoffrey Keating  <geoffk@apple.com>

        * c-pch.c: Include langhooks.h.
        (IDENT_LENGTH): New.
        (get_ident): New.
        (pch_ident): Delete.
        (pch_init): Use get_ident, IDENT_LENGTH.
        (c_common_valid_pch): Likewise.  Also, use actual language
        in warning message.
        * Makefile.in (c-pch.o): Add langhooks.h to dependencies.

        * objc/config-lang.in (gtfiles): Add objc-act.c.  Remove duplicate
        c-parse.in.
        * objc/Make-lang.in (objc/objc-act.o): Add dependency on
        gt-objc-objc-act.h.
        (gt-objc-objc-act.h): New rule.
        * objc/lang-specs.h: Support PCH.
        * objc/objc-act.c: Include gt-objc-objc-act.h.
        (objc_add_static_instance): Move num_static_inst out, mark for PCH.
        (build_selector_reference_decl): Move idx out, mark for PCH.
        (build_class_reference_decl): Likewise.
        (build_objc_string_decl): Move *_idx out, mark for PCH.
        (build_tmp_function_decl): Move xxx out, mark for PCH.

2003-03-06  Dale Johannesen  <dalej@apple.com>

        * config/rs6000/rs6000.c (rs6000_binds_local_p):  Consider
        global functions for inlining on Darwin.

2003-03-06  Vladimir Makarov  <vmakarov@redhat.com>

        * haifa-sched.c (schedule_block): Don't call reorder when sorting
        is prohibited.

2003-03-06  Neil Booth  <neil@daikokuya.co.uk>

        * Makefile.in (c-ppoutput.o): Update.
        * c-common.h (init_pp_output): New.
        (preprocess_file): Update.
        * c-lex.c (init_c_lex): Move mbchar initialization to cpplib.
        Register builtins.
        * c-opts.c (c_common_init): Call init_pp_output if preprocessing.
        Make call to cpp_read_main_file common to whether preprocessing
        or not.  Don't register builtins.
        * c-ppoutput.c: Include c-pragma.h.
        (setup_callbacks): Rename init_pp_output.
        (preprocess_file): No longer setup callbacks or call
        cpp_read_main_file.
        * cpphash.h (_cpp_init_mbchar): New.
        * cppinit.c (init_library): Call _cpp_init_mbchar.
        * cpplex.c (_cpp_init_mbchar): New.

2003-03-06  Roger Sayle  <roger@eyesopen.com>

        * emit-rtl.c (gen_lowpart): When requesting the low-part of a
        MEM, try loading the MEM into a register and taking the low-part
        of that, to help CSE see the use of the MEM in its true mode.

2003-03-05  Tom Tromey  <tromey@redhat.com>

        * config/stormy16/stormy16.h (DWARF_LINE_MIN_INSTR_LENGTH):
        Define.

2003-03-05  Nick Clifton  <nickc@cambridge.redhat.com>

        * config/stormy16/stormy16.md ("*eqbranchsi"): Remove '+' on
        operand 2.
        ("*ineqbranchsi"): Likewise.

2003-03-05  Andrew Haley  <aph@cambridge.redhat.com>

        * config/stormy16/stormy16.c (xstormy16_expand_prologue): Delete
        mem_fake_push_rtx.  Instead construct a SEQUENCE to show the
        register store followed by a stack increment.

2003-03-05  Chris Moller  <cmoller@redhat.com>

        * config/stormy16/stormy16.c (REG_NEEDS_SAVE): added a term
        to inhibit saving CARRY_REGS.

        * config/stormy16/stormy16.c (xs_hi_general_operand):
        added predicate to detect and error-out on out-of-range
        const_ints for movhi.
        * config/stormy16/stormy16.md (movhi): use
        xs_hi_general_operand.

        * config/stormy16/stormy16.c (xstormy16_expand_prologue):
        added a check for local vbl size overflow.
        * config/stormy16/stormy16.c (xs_hi_nonmemory_operand):
        added predicate to detect and error-out on out-of-range
        const_ints for addhi and subhi.
        * config/stormy16/stormy16.md (addhi3, addchi4, addchi5,
        subhi3, subchi4, subchi5): used xs_hi_nonmemory_operand.

        * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
        add a term to accept PRE_MODIFY addresses.
        * config/stormy16/stormy16.c (xstormy16_expand_move):
        add code to expand PRE_MODIFY addresses to an add followed
        by a move.

2003-03-06  Jason Merrill  <jason@redhat.com>

        * tree-inline.c (inlinable_function_p): Revert earlier change
        pending investigation.

2003-03-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a new peephole2): New.

2003-03-06  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_node): Do not confuse nested functions and methods.

2003-03-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * dwarf2out.c (size_of_die): Compute size of external reference to
        die correctly.

2003-03-06  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.md ("*movcc_expanded"): New pattern.
        ("movcc", "movcc_uns", "movcc_fp", "movcc_fpeq", "movcc_fun"): New
        expanders.

2003-03-05  Roger Sayle  <roger@eyesopen.com>

        * expr.h (lang_expand_expr): Delete obsolete prototype.

2003-03-05  Kazu Hirata  <kazu@cs.umass.edu>

        * emit-rtl.c (gen_highpart_mode): Fix a comment typo.

2003-03-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): Generalize to
        accept a memory operand.

2003-03-05  Olivier Hainque <hainque@act-europe.fr>

        * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Add '+'.
        * config/alpha/alpha.c (print_operand, case '+'): New.
        * config/alpha/alpha.md (call_osf_1_noreturn): Document and use.
        (call_value_osf_1_noreturn): Likewise.

2003-03-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * stmt.c (fixup_gotos): Change meaning of DONT_JUMP_IN.
        (expand_end_bindings): Likewise.

2003-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.md (return_external_pic): Add !TARGET_PA_20 to constraint.
        (epilogue): Don't generate return_external_pic when emitting PA 2.0
        code.

2003-03-05  Aldy Hernandez  <aldyh@redhat.com>

        * doc/tm.texi: Document TARGET_DWARF_REGISTER_SPAN.

        * config/rs6000/rs6000.c (rs6000_dwarf_register_span): New.

        * hooks.c (hook_rtx_rtx_null): New.

        * hooks.h (hook_rtx_rtx_null): Protoize.

        * target-def.h (TARGET_DWARF_REGISTER_SPAN): New macro.
        (TARGET_INITIALIZER): Add TARGET_DWARF_REGISTER_SPAN.

        * target.h (struct gcc_target): Add dwarf_register_span.

        * dwarf2out.c (multiple_reg_loc_descriptor): New.
        (one_reg_loc_descriptor): New.
        (reg_loc_descriptor): Add support for values that span more than
        one register.

2003-03-05  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (calls.o, toplev.o alias.o): Depend on cgraph.h
        * alias.c:  Include cgraph.h
        (mark_constant_function): Use cgraph_rtl_info.
        * calls.c:  Include cgraph.h
        (flags_from_decl_or_type): Use cgraph_rtl_info to find pure and const
        calls.
        (expand_call): Use cgraph_rtl_info to set preferred stack boundary.
        * cgraph.c (cgraph_rtl_info): New function.
        * cgraph.h (cgraph_rtl_info): Declare
        (cgraph_rtl_info): Likewise.
        * function.h (struct function): Add recursive_call_emit.
        * toplev.c: Include cgraph.h.
        (rest_of_compilation): Set preferred_incoming_stack_boundary.

2003-03-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (output_simode_bld): Clear the
        destination first if possible.
        * config/h8300/h8300.md (extzv_1_r_h8300hs): Add an
        alternative.
        (extzv_1_r_inv_h8300hs): Likewise.

2003-03-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * basic-block.h (EDGE_IRREDUCIBLE_LOOP, EDGE_ALL_FLAGS): New.
        * cfg.c (dump_edge_info): Add EDGE_IRREDUCIBLE_LOOP flag dump.
        * cfgloop.c (flow_loop_free): Made global.
        (establish_preds): New static function.
        (flow_loop_tree_node_add): Handle subloops of added loop correctly.
        (get_loop_exit_edges): New.
        (verify_loop_structure): Verify EDGE_IRREDUCIBLE_LOOP flags.
        * cfgloop.h (flow_loop_free, get_loop_exit_edges, unloop): Declare.
        * cfgloopanal.c (mark_irreducible_loops): Mark edges in irreducible
        loops.
        * cfgloopmanip.c (loop_delete_branch_edge): Allow to test for
        removability of an edge.
        (fix_irreducible_loops): New static function.
        (find_path, remove_path): Add ability to remove enclosing loops.
        (unloop): New.
        (copy_bbs, duplicate_loop_to_header_edge): Use EDGE_IRREDUCIBLE_LOOP
        flags.
        * cfgrtl.c (verify_flow_info): Handle EDGE_IRREDUCIBLE_LOOP flag.
        * loop-unroll.c (peel_loops_completely): Do not duplicate loop if
        not neccessary.
        (decide_peel_completely, peel_loops_completely): Allow complete peeling
        of non-duplicable once rolling loops.
        * loop-unswitch.c (unswitch_loop): Update EDGE_IRREDUCIBLE_LOOP flags.

2003-03-05  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.h (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, the minimum value
        for align_jumps is 4.

        (SECONDARY_INPUT_RELOAD_CLASS): If reloading a PLUS into FPUL,
        use GENERAL_REGS.

2003-03-05  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.h (PAD_VARARGS_DOWN): Define and return
        according to va_arg type.
        (EXPAND_BUILTIN_VA_ARG): Remove.
        * config/m68hc11/m68hc11.c (m68hc11_va_arg): Remove.
        * config/m68hc11/m68hc11-protos.h (m68hc11_va_arg): Remove.

2003-03-05  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_variable_issue): Remove unnecessary
        else clauses.

2003-03-05  Michael Matz  <matz@suse.de>

        * i386/i386.c (ix86_save_reg): Also test
        current_function_uses_const_pool.

2003-03-05  Michael Matz  <matz@suse.de>

        * unwind.h: Add the GPL exception.
        * Makefile.in (USER_H): Add unwind.h.

2003-03-05  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR c/9799
        * c-typeck.c (push_init_level): Add sanity check.

2003-03-05  Jan Hubicka  <jh@suse.cz>

        * toplev.c (rest_of_compilation):  Deffer RTL compilation only when
        RTL inlining is done.

        * cgraphunit.c (cgraph_mark_local_functions): New local function.
        (cgraph_optimize): Mark local functions.
        * i386-protos.h (init_cumulative_args): Update prototype.
        * i386.c (init_cumulative_args): Use register passing convention for
        local functions.

        * cgraph.c (cgraph_global_info_ready): New global variable
        (cgraph_local_info, cgraph_global_info): New functions.
        * cgraph.h (struct cgraph_local_info, cgraph_global_info): New
        structures.
        (cgraph_local_info, cgraph_global_info, cgraph_global_info_ready):
        Declare.
        * cgraphunit.c (cgraph_finalize_function): Set inline_many.
        (cgraph_mark_functions_to_output): Use inline_many.
        (cgraph_expand_function): Free DECL_SAVED_TREE uncondtionally.
        (cgraph_expand_functions): Expand inline functions last.
        (cgraph_optimize): Do not emit uneeded functions.

2003-03-04  Steve Ellcey  <sje@cup.hp.com>

        * expr.c (convert_modes): Check for legal hard register.

2003-03-04  Tom Tromey  <tromey@redhat.com>

        * doc/sourcebuild.texi (Front End Directory): Document tags.
        * configure: Rebuilt.
        * configure.in (target_list): Added tags.
        * Makefile.in (TAGS): Depend on lang.clean.  Include subdirectory
        TAGS files by reference.
        * objc/Make-lang.in (objc.tags): New target.

2003-03-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * gcov-io.h (gcov_save_position, gcov_reserve_length, gcov_resync,
        gcov_skip, gcov_skip_string, gcov_write_unsigned, gcov_write_counter,
        gcov_write_string, gcov_read_unsigned, gcov_read_counter,
        gcov_read_string, gcov_write_length): Modified to enable reading/
        writing of whole .da file just once.
        (da_file_open, da_file_close, da_file_eof, da_file_error,
        da_file_position, da_file_seek, da_file_write, da_file_read): New
        functions.
        (actual_da_file, actual_da_file_position, actual_da_file_length,
        actual_da_file_buffer, actual_da_file_buffer_size): New static
        functions.
        * libgcov.c (gcov_exit): Modified to read/write the whole .da file at
        just once.


2003-03-04  Andreas Schwab  <schwab@suse.de>

        * config/m68k/m68k.c (m68k_output_function_prologue): Fix CFA
        offset without frame pointer.

2003-03-04  Steve Ellcey  <sje@cup.hp.com>

        * expr.c (expand_expr): Call promote_mode to set unsignedp.

2003-03-04  Daniel Jacobowitz  <drow@mvista.com>

        * configure.in: Don't always define TARGET_SYSTEM_ROOT.
        * configure: Regenerated.
        * gcc.c: Check whether TARGET_SYSTEM_ROOT is defined.

2003-03-04  Andreas Jaeger  <aj@suse.de>

        * configure.in: Check for <memcheck.h>.
        * configure: Regenerated.

        * config.in: Define HAVE_MEMCHECK_H.

        * ggc-common.c: Use <memcheck.h> if available instead of
        <valgrind.h>.
        * ggc-page.c: Likewise.
        * cppfiles.c: Likewise.

2003-03-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*extzv_8_8): Fix cc and lengths.

2003-03-04  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR c/9262
        * c-typeck.c (do_case): Attach the first case label to the SWITCH_BODY.
        (c_finish_case): Rechain the next statements to the SWITCH_STMT.

2003-03-04  Jan Hubicka  <jh@suse.cz>

        * doc/invoke.texi:  Document that unit-at-a-time is enabled for -O3
        * toplev.c (parse_options_and_default_flags): Enable flag_unit_at_a_time
        for -O3.

2003-03-04  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.in: Delete three unused variables.  Move a variable
        definition closer to its use.  Simplify use_collect2 logic.  Start to
        organize.  Simplify tests for in-tree gas and ld.
        * configure: Regenerate.

2003-03-04  Neil Booth  <neil@daikokuya.co.uk>

        * Makefile.in: Update.
        * c-common.c (flag_no_line_commands, flag_no_output,
        flag_dump_macros, flag_dump_includes): New.
        * c-common.h (flag_no_line_commands, flag_no_output,
        flag_dump_macros, flag_dump_includes, preprocess_file): New.
        (init_c_lex): Update prototype.
        * c-lex.c (init_c_lex): Update prototype; move some code to
        c_common_init.
        * c-opts.c (preprocess_file): Subsume into c_common_init.
        (c_common_decode_option): Update flags.
        (c_common_init): Move code from preprocess_file and init_c_lex.
        (sanitize_cpp_opts): Update.
        * c-ppoutput.c: New, cppmain.c almost verbatim.
        * cpphash.h (struct printer): Remove.
        (struct cpp_reader): Remove print.
        * cpplib.h (dump_none, dump_only, dump_names, dump_definitions,
        cpp_preprocess_file): Remove.
        (struct cpp_options): Remove no_output, no_line_commands, dump_macros
        and dump_includes.
        * cppmain.c: Remove.
        * doc/passes.texi: Update.

2003-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * function.c (STACK_ALIGNMENT_NEEDED): New macro.  Default to 1.
        (assign_stack_local_1): Perform overall stack alignment only when
        STACK_ALIGNMENT_NEEDED is non-zero.
        * doc/tm.texi (STACK_ALIGNMENT_NEEDED): Document.

        * pa.c (compute_frame_size): Rename fsize to size.  Account for
        alignment to a word boundary before general register save block.  Only
        account for double-word alignment before floating point register save
        block if one or more are saved.  Don't allocate space for %r3 when
        frame pointer is needed.
        (hppa_expand_prologue): Include alignment to word boundary in local
        frame size.
        * pa.h (STARTING_FRAME_OFFSET): Define to 8 on both 32 and 64-bit ports.
        (STACK_ALIGNMENT_NEEDED): Define.

2003-03-04  Kevin Buettner  <kevinb@redhat.com>

        * dwarf2out.c (rtl_for_decl_location): Don't return NULL_RTX for
        global register variables.

2003-03-04  Alexandre Oliva  <aoliva@redhat.com>

        * reload.c (reload_adjust_reg_for_mode): New function.
        (subst_reloads): Call it.
        (operands_match_p): Adjust registers using HARD_REGNO_NREGS.
        * reload.h (reload_adjust_reg_for_mode): Declare.
        * reload1.c (emit_input_reload_insns, emit_output_reload_insns):
        Call it.

2003-03-03  James E Wilson  <wilson@tuliptree.org>

        * optabs.c (add_equal_note): Delete SUBREG_REG use.
        Fixes PR c/7872.

2003-03-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*ixorsi3_ashift_16): New.
        (*ixorsi3_lshiftrt_16): New.
        (*iorsi3_ashift_16): Remove.

2003-03-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*extzv_8_8): Use '?' to simplify the
        pattern.

2003-03-03  Geoffrey Keating  <geoffk@apple.com>

        * doc/install.texi (Specific): Update entry for powerpc-darwin.

2003-03-03  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.h (HAVE_AS_LTOFFX_LDXMOV_RELOCS): Default to 0.

2003-03-03  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_multipass_dfa_lookahead): Delete.
        (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Delete.
        (rs6000_variable_issue): Do not return negative value.
        (rs6000_issue_rate): Uniformly set issue rate to 1 for first
        scheduling pass.

2003-03-03  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * dwarf2out.c (dwarf2out_finish): Swap order of break_out_includes and
        prune_unused_types calls.

2003-03-03  Jason Merrill  <jason@redhat.com>

        * tree-inline.c (find_builtin_longjmp_call): Save and restore
        lineno and input_filename.
        (find_alloca_call): Likewise.
        (inlinable_function_p): Run the langhook earlier.

        * calls.c (compute_argument_addresses): Give the new MEMs a
        minimum alignment of PARM_BOUNDARY.

2003-03-03  J"orn Rennecke <joern.rennecke@superh.com>

        * config/sh/sh.h (EXTRA_SPECS): Add subtarget_asm_relax_spec and
        subtarget_asm_isa_spec.
        (SUBTARGET_ASM_RELAX_SPEC, SUBTARGET_ASM_ISA_SPEC): Define.
        (ASM_SPEC): Define as SH_ASM_SPEC.
        (SH_ASM_SPEC): New; take the role of ASM_SPEC, but safe from svr4.h.
        Use subtarget_asm_relax_spec and subtarget_asm_isa_spec.
        * config/sh/elf.h (ASM_SPEC): Use SH_ASM_SPEC.
        (SUBTARGET_ASM_ISA_SPEC): Undef / define.

        * sh.h (OVERRIDE_OPTIONS): Set default values for align_loops
        and align_jumps if not set.
        Force align_jumps to be at least 2.
        When relaxing, force align_functions to be at least the maximum of
        align_loops, align_jumps and 4.
        * sh.c (find_barrier, barrier_align): Honour align_jumps_log.
        (sh_loop_align): Honour align_loops_log.

        * sh.md (length attribute): Use prev_nonnote_insn instead of PREV_INSN
        to check for indirect_jump_scratch.
        (indirect_jump_scratch): Add second set.
        * sh.c (output_far_jump): Use prev_nonnote_insn instead of PREV_INSN
        when looking for indirect_jump_scratch.
        Extract scratch register taking new structure of indirect_jump_scratch
        into account.
        (gen_block_redirect): Set INSN_SCOPE for indirect_jump_scratch.

2003-03-03  Jan Hubicka  <jh@suse.cz>

        * calls.c (rtx_for_function_call): Take the address as an argument
        (expand_call): Do not modify the expression.

        * toplev.c (rest_of_compilation):  Avoid cfg_cleanup calls when not
        optimizing.

2003-03-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*ixorsi3_zext_hi): Restrict to
        TARGET_H8300H and TARGET_H8300S.

2003-03-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): New.

2003-03-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*extzv_8_8): Use shorter code when
        operands[0] and operands[1] are different.

2003-03-03  Kazu Hirata  <kazu@cs.umass.edu>

        * reload1.c (reload_cse_move2add): Remove variable success.

2003-03-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * ggc-common.c (ggc_rlimit_bound): Cast RLIM_INFINITY to avoid
        warnings.

2003-03-02  Richard Henderson  <rth@redhat.com>

        * configure.in (HAVE_AS_LTOFFX_LDXMOV_RELOCS): New ia64 test.
        * config.in, configure: Rebuild.
        * config/ia64/ia64.c (ia64_ld_address_bypass_p): Accept lo_sum.
        * config/ia64/ia64.md (load_symptr): Use high/lo_sum for the
        paired ldtoffx and ldxmov annotations.
        (load_symptr_internal1): Remove.
        (load_symptr_high, load_symptr_low): New.

2003-03-02  Neil Booth  <neil@daikokuya.co.uk>

        * c-incpath.c (add_path): Fix sysp assignment.

2003-03-02  Kurt Garloff  <garloff@suse.de>

        * params.def: Introduce parameter max-inline-insns-rtl for
        a separate limit for the RTL inliner.
        * params.h: Likewise.
        * integrate.c (function_cannot_inline_p): Use it.
        * toplev.c (decode_f_option): Set multiple parameters
        controlling inlining with -finline-limit.
        * params.def: Fix orthographic and typographic errors.
        * doc/invoke.texi: Document parameters controlling inlining
        and the way -finline-limit sets multiple of them.

        * tree.h (struct tree_decl): Introduce inlined_function_flag,
        recording whether the function became eligible for inlining
        by a compiler flag rather than the declaration.
        Provide DID_INLINE_FUNC macro to access it.
        * c-decl.c (grokdeclarator): Set DID_INLINE_FUNC.
        * cp/decl.c (grokfndecl): Likewise.
        * toplev.c (rest_of_compilation): Likewise.
        * cp/optimize (maybe_clone_body): Copy DID_INLINE_FUNC.
        * print-tree.c (print_node): Report it.
        * params.def: Introduce new max-inline-insns-auto limit.
        * params.h: Likewise.
        * tree-inline.c (inlinable_function_p): Apply it to functions
        with DID_INLINE_FUNC set.
        * toplev.c (decode_f_option): Initialize it from -finline-limit
        value.
        * doc/invoke.texi: Document new parameter.

2003-03-02  Geoffrey Keating  <geoffk@apple.com>

        * fix-header.c (read_scan_file): Don't reference simplify_path.

2003-03-02  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (m68hc11_override_options): Don't enable
        min/max instructions by default as may result in reload errors.

2003-03-02  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md ("mulqi3"): Allow address register to
        avoid reload problems; define split for it.

2003-03-02  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (m68hc11_shift_operator): New function.
        * config/m68hc11/m68hc11-protos.h (m68hc11_shift_operator): Declare.
        * config/m68hc11/m68hc11.h (PREDICATE_CODES): Register.
        * config/m68hc11/m68hc11.md ("rotrhi3", "rotlhi3"): New patterns for
        rotatert and rotate.
        ("rotrhi3_const", "rotlhi3_const"): Rename of old 'rotrhi3' insns.
        ("*rotrhi3", "*rotlhi3"): New insn pattern for non-const rotatert.
        ("*rotrhi3_addr"): New split for shift insns on address register.
        ("*lshrhi3", "*ashrhi3", "*ashlhi3_2"): Use new split.
        * config/m68hc11/larith.asm (___rotlhi3): New asm function.
        (___rotrhi3): Likewise.
        * config/m68hc11/t-m68hc11-gas (LIB1ASMFUNCS): Build them.

2003-03-02  Neil Booth  <neil@daikokuya.co.uk>

        * toplev.c (aux_base_name): Moved from toplev.h.
        (filename): Constify.
        (lang_dependent_init): Don't duplicate name.
        (process_options): Set aux_base_name here, not...
        (do_compile): ...here.  Change protoype.
        (toplev_main): Move some code from do_compile.
        * toplev.h: Remove aux_base_name.

2003-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Add a prototype for
        iorxor_operator.
        * config/h8300/h8300.c (print_operand): Handle 'c'.
        (iorxor_operator): New.
        * config/h8300/h8300.h (PREDICATE_CODES): Add iorxor_operator.
        * config/h8300/h8300.md (*iorhi3_zext): Remove.
        (*iorsi3_zexthi): Likewise.
        (*iorsi3_zextsi): Likewise.
        (*xorhi3_zextqi): Likewise.
        (*xorsi3_zexthi): Likewise.
        (*xorsi3_zextsi): Likewise.
        (*ixorhi3_zext): New.
        (*ixorsi3_zext_qi): Likewise.
        (*ixorsi3_zext_hi): Likewise.

2003-03-02  Neil Booth  <neil@daikokuya.co.uk>

        * c-incpath.c (remove_component_p, simplify_path): Move back to
        cppfiles.c.
        (remove_duplicates): Use cpp_simplify_path.
        * c-incpath.h (simplify_path): Remove.
        * c-lex.c: Don't include c-incpath.h.
        (init_c_lex): Remove simplify_path.
        * cppfiles.c (remove_component_p, cpp_simplify_path): Restore.
        (find_or_create_entry, validate_pch): Revert.

2003-03-02  Ashif Harji  <asharji@uwaterloo.ca>

        * gcc.c (default_compilers): Add -no-integrated-cpp flag to invoke
          an external cpp during compilation.
        (option_map): Likewise.
        * objc/lang-specs.h (default_compilers): Similarly.
        * doc/invoke.texi: Document -no-integrated-cpp flag.

2003-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (zero_extendqisi2): Change to an
        expander.
        (*zero_extendqisi2_h8300): New.
        (*zero_extendqisi2_h8300hs): New.
        (two splitters): New.

2003-03-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * fp-bit.h (float_to_usi): Fix condition wrapping prototype.

2003-03-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): Remove dead code.

2003-03-01  Roger Sayle  <roger@eyesopen.com>

        PR c++/9367
        * builtin-types.def (DEF_FUNCTION_TYPE_VAR_3): New macro.
        (BT_FN_INT_CONST_STRING_VALIST_ARG,
        BT_FN_INT_STRING_CONST_STRING_VALIST_ARG,
        BT_FN_INT_CONST_STRING_CONST_STRING_VALIST_ARG,
        BT_FN_INT_STRING_SIZE_CONST_STRING_VALIST_ARG,
        BT_FN_INT_STRING_CONST_STRING_VAR,
        BT_FN_INT_CONST_STRING_CONST_STRING_VAR,
        BT_FN_INT_STRING_SIZE_CONST_STRING_VAR): New built-in types.
        * builtin-attrs.def (ATTR_NONNULL_1, ATTR_NONNULL_2,
        ATTR_NONNULL_3): Also include the nothrow attribute.
        (sprintf, scanf, sscanf, vprintf, vsprintf, snprintf,
        vsnprintf, vscanf, vsscanf): Don't define attributes here.
        * builtins.def (putchar, puts): Make full C89 built-ins.
        (snprintf, sprintf, scanf, sscanf, vprintf, vscanf,
        vsscanf, vsnprintf, vsprintf): New built-ins.
        * c-common.c (c_common_nodes_and_builtins): Handle new macro
        DEF_FUNCTION_TYPE_VAR_3.

        * doc/extend.texi: Document these new built-in functions.

2003-03-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): New.

2003-03-01  Richard Earnshaw  <rearnsha@arm.com>

        * predict.c (estimate_bb_frequencies): Correctly set
        real_values_initialized after initialization.

2003-03-01  Neil Booth  <neil@daikokuya.co.uk>

        * Makefile.in (C_AND_OBJC_OBJS, c-incpath.o, c-lex.o, LIBCPP_OBJS,
        cppinit.o, cppdefault.o, fix-header): Update.
        * c-incpath.c: New file.
        * c-incpath.h: New file.
        * c-lex.c: Include c-incpath.h.
        (init_c_lex): Register path simplifier.
        * c-opts.c: Include cppdefault.h and c-incpath.h.
        (TARGET_SYSTEM_ROOT, verbose, iprefix, sysroot, std_inc,
        std_cxx_inc, quote_chain_split, add_prefixed_path): New.
        (COMMAND_LINE_OPTIONS): Add more options from cpplib.
        (missing_arg, c_common_decode_option): Handle them.
        (c_common_post_options): Register include chains.
        (print_help): Update.
        * cppdefault.h (struct default include): Update.
        Move some macros to ...
        * cppdefault.c: ... here.
        (cpp_include_defaults): Add extra field add_sysroot.
        * cppfiles.c (include_file, search_from, find_or_create_entry,
        cpp_included, find_include_file, remap_filename): Update for
        renaming of search_path to cpp_path, and of the chain headers.
        (remove_component_p, _cpp_simplify_pathname): Move to c-incpath.c.
        * cpphash.h (struct search_path): Move to cpplib.h.
        (struct cpp_buffer, struct cpp_reader): Update.
        (_cpp_simplify_pathname): Remove.
        * cppinit.c: Don't include prefix.h and cppdefault.h.
        (INO_T_EQ, INO_T_COPY, path_include, append_include_chain,
        remove_dup_dir, remove_dup_nonsys_dirs, remove_dup_dirs,
        init_standard_includes, BRACKET, SYSTEM, AFTER, no_dir,
        no_pth, cpp_handle_options): Remove.
        (struct pending_option): Remove chain members.
        (cpp_destroy, cpp_read_main_file, COMMAND_LINE_OPTIONS,
        cpp_handle_option): Update.
        * cpplib.h (struct cpp_path, cpp_set_include_chains): New.
        (struct cpp_options): Remove quote_include, bracket_include,
        include_prefix, include_prefix_len, verbose, ignore_srcdir,
        no_standard_includes, no_standard_cplusplus_includes.
        (struct cpp_callbacks): Add simplify_path.
        (cpp_handle_options): Remove.
        * fix-header.c: Include c-incpath.h.
        (read_scan_file): Update to use c-incpath functionality.
        * doc/passes.texi: Update.

2003-03-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (bit_operand): Accept MEM only if it
        satisfies EXTRA_CONSTRAINT 'U'.

2003-03-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*tst_extzv_bitqi_1_n): Take a scratch
        register.
        (*tst_extzv_memqi_1_n): Change to a splitter.
        (a peephole2): Update.

2003-03-01  Richard Earnshaw  <rearnsha@arm.com>

        * predict.c (estimate_bb_frequencies): Initialize the sreal
        constants once per compilation.

2003-02-28  Richard Henderson  <rth@redhat.com>

        * toplev.c (flag_eliminate_unused_debug_types): Enable by default.

2003-02-28  scott snyder  <snyder@fnal.gov>

        * flags.h: Add flag_eliminate_unused_debug_types.
        * toplev.c: Add flag_eliminate_unused_debug_types.
        (f_options): Add -feliminate-unused-debug-types.
        * dwarf2out.c (struct file_table): Add emitted member.
        (splice_child_die): Fix the parent pointer for the child being
        spliced.
        (lookup_filename): Maintain file_table.emitted array.  Don't
        output .file directive here.
        (maybe_emit_file): (new)
        (init_file_table): Set up file_table.emitted.
        (dwarf2out_source_line): Use maybe_emit_file.
        (dwarf2out_start_source_file): Use maybe_emit_file.
        (dwarf2out_init): Use maybe_emit_file.
        (prune_unused_types_walk_attribs): (new)
        (prune_unused_types_mark): (new)
        (prune_unused_types_walk): (new)
        (prune_unused_types_prune): (new)
        (prune_unused_types): (new)
        (dwarf2out_finish): Call prune_unused_types if
        flag_eliminate_unused_debug_types is set.
        * doc/invoke.texi (Option Summary): Add
        -feliminate-unused-debug-types.
        (Debugging Options): Likewise.

2003-02-28  Geoffrey Keating  <geoffk@apple.com>

        * doc/invoke.texi: Change .pch to .gch.
        * cppfiles.c (open_file_pch): Likewise.
        * gcc.c (default_compilers): Likewise.

2003-02-28  Aldy Hernandez  <aldyh@redhat.com>

        * floatlib.c: Remove.

2003-02-28  Jason Merrill  <jason@redhat.com>

        * stor-layout.c (variable_size): Leave a "minus 1" outside the
        SAVE_EXPR.

2003-02-28  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/power4.md: Add compare bypass.

2003-02-28  Jason Thorpe  <thorpej@wasabisystems.com>

        * config/netbsd.h: Update copyright years.
        (NETBSD_CPP_SPEC): Define _REENTRANT and _PTHREADS if
        -pthread is specified on the command line.

2003-02-28  Dale Johannesen <dalej@apple.com>

        * loop.c (struct movable): Add insert_temp, shrink savemode.
        (scan_loop): Accept invariants that require copying; mark as
        insert_temp.
        (combine_movables): Don't combine insert_temp movables.
        (move_movables): Insert copies for insert_temp movables.
        Don't record the info based on regno for insert_temp's.

2003-02-28  Joel Sherrill <joel@OARcorp.com>

        PR 9638/other
        * config/i386/i386.c (DEFAULT_PCC_STRUCT_RETURN): Ensure the
        this constant defaults to 1.

2003-02-28  Bob Wilson  <bob.wilson@acm.org>

        * config.gcc (xtensa-*-linux*): Add t-slibgcc-elf-ver to tmake_file.

2003-02-28  Richard Earnshaw  <rearnsha@arm.com>

        * arm.md (mulhisi3, mulhisi3addsi, mulhidi3adddi): Enable for any
        ARMv5e processor, not just for XScale.  Instructions are predicable.
        (mulhisi3tb, mulhisi3bt, mulhisi3tt): New patterns for ARMv5e.

2003-02-28  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.c (note_invalid_constants): Change parameter type
        from bool to int.

2003-02-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*tst_extzv_bitqi_1_n): Accept the
        test of bit 7.
        (*tst_extzv_memqi_1_n): Likewise.
        (a peephole2): New.

2003-02-28  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (CRT_CALL_STATIC_FUNCTION): Wrap in
        #ifndef __mips16.

2003-02-28  Jan Hubicka  <jh@suse.cz>

        * combine.c (gen_lowpart_for_combine): Update handling of
        subregs_of_mode
        * flow.c (life_analysis, mark_used_regs): Likewise.
        * regclass.c (subregs_of_mode): Turn into single bitmap.
        (cannot_change-mode_set_regs, invalid_mode_change_p): Update
        dealing with subregs_of_mode
        * regs.h (subregs_of_mode): Update prototype.

2003-02-28  Josef Zlomek  <zlomekj@suse.cz>

        * emit-rtl.c (set_reg_attrs_for_parm): New function.
        * rtl.h (set_reg_attrs_for_parm): New exported function.
        * function.c (assign_parms): Use set_reg_attrs_for_parm instead of
        set_reg_attrs_from_mem.

2003-02-27  Roger Sayle  <roger@eyesopen.com>
            Zack Weinberg <zack@codesourcery.com>

        * gcc.c (do_spec_1):  Treat %U like %u for unique associations.

2003-02-27  Kazu Hirata  <kazu@cs.umass.edu>

        * reload1.c (sext_for_mode): Remove.
        (reload_cse_move2add): Use trunc_int_for_mode instead of
        sext_for_mode.
        (move2add_note_store): Likewise.
        Reset register information if we see a set in non-integer
        mode.

2003-02-27  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/aix43.h (ASM_SPEC): Only emit -mppc64 if no -mcpu
        option.
        (ASM_CPU_SPEC): Use -m620 for Power3, Power4, 620, 630.
        * config/rs6000/aix51.h: Same.
        * config/rs6000/aix52.h: Same.
        * config/rs6000/power4.md: Additional VMX bypasses.

2003-02-27   Geert Bosch <bosch@gnat.com>

        * toplev.c (print_version): Add indentation for GGC heuristics and
        output after printing version information.

2003-02-27  James E Wilson  <wilson@tuliptree.org>

        * combine.c (simplify_comparison): Require integral mode when
        permuting SUBREG with AND.

2003-02-27  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/hpux.h (STARTFILE_PREFIX_SPEC): Remove.

2003-02-27  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.md (extendsfdf2): Add pattern accidentally
        deleted when cirrus instructions were added.

2003-02-27  Jason Thorpe  <thorpej@wasabisystems.com>

        * config.gcc (*-*-netbsd[2-9]*, *-*-netbsdelf[2-9]*): Enable
        POSIX thread support by default.

2003-02-27  Roger Sayle  <roger@eyesopen.com>

        * config/i386/cygwin.h: Don't include any other files directly.
        * config/i386/mingw32.h: Don't include cygwin.h directly.
        * config.gcc (cygwin, mingw32, uwin): Instead make these files
        explicit in the tm_files variable.

2003-02-27  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.md: Add TI constant splitter.

2003-02-26  Alexandre Oliva  <aoliva@redhat.com>

        * builtins.c (purge_builtin_constant_p): Handle subreg of
        constant_p_rtx too.

        * function.c (assign_stack_local_1): Truncate constant added to
        frame_pointer_rtx or virtual_stack_vars_rtx for Pmode.

2003-02-26  David Edelsohn  <edelsohn@gnu.org>

        * config.gcc: Add power4 to PowerPC with_cpu list.

2003-02-26  Jan Hubicka  <jh@suse.cz>

        * objc-act.c: (mark_referenced_methods): Fix compilation problem.

2003-02-26  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * gcov-dump.c (print_prefix): Fix signedness warning.
        * gcov-io.h (struct counter_section, struct counter_section_data): New.
        (struct function_info): n_arc_counts field removed, n_counter_sections,
        counter_sections fields added.
        (struct gcov_info): arc_counts, n_arc_counts fields removed,
        n_counter_sections, counter_sections fields added.
        * libgcov.c (gcov_exit, __gcov_flush): Add support for multiple
        profile sections.
        * profile.h (MAX_COUNTER_SECTIONS): New.
        (struct section_info): New.
        (struct profile_info): count_instrumented_edges,
        count_edges_instrumented_now fields removed, n_sections, section_info
        fields added.
        (find_counters_section): Declare.
        * profile.c (struct function_list): count_edges field removed,
        n_counter_sections, counter_sections fields added.
        (set_purpose, label_for_tag, build_counter_section_fields,
        build_counter_section_value, build_counter_section_data_fields,
        build_counter_section_data_value, build_function_info_fields,
        build_function_info_value, build_gcov_info_fields,
        build_gcov_info_value): New static functions.
        (find_counters_section): New function.
        (instrument_edges, get_exec_counts, compute_branch_probabilities,
        branch_prob, create_profiler): Modified to support multiple profile
        sections.

2003-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (compute_frame_size): Don't assume PREFERRED_STACK_BOUNDARY
        is 8 * STACK_BOUNDARY.
        * pa.h (PREFERRED_STACK_BOUNDARY): Change to 128 on 64-bit port.

2003-02-26  Michael Matz  <matz@suse.de>

        * ra-colorize.c (merge_moves): Fix list handling.

2003-02-26  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.c (is_load_address): Rename to...
        (arm_memory_load_p) ... this and make it check for SUBREGs and
        constant loads that will be converted into loads from the
        minipool.
        (is_cirrus_insn): Rename to ...
        (arm_cirrus_insn_p): ... this, for consistency.  Replace test
        of CIRRUS_NO with CIRRUS_NOT.
        (cirrus_reorg): Use renamed functions.
        (note_invalid_constants): Change from a void function to bool.
        Add an extra parameter, saying whether the fixups should be
        pushed.  Return true if fixups are needed.
        (arm_reorg): Use renamed functions.  Use INSN_P.  Replace test
        of CIRRUS_NO with CIRRUS_NOT.
        * config/arm/arm.h (FLOAT_WORDS_BIG_ENDIAN): Mention that
        other floating point co-processors can also affect this.
        * config/arm/arm.md ("type" attribute): Add mav_farith and
        mav_dmult.  Replace references to "cirrus_type" attribute with
        "type".
        * config/arm/cirrus.md ("cirrus_fpu" attribute): Delete.
        ("cirrus_type" attribute): Delete - use "type" instead.
        ("cirrus" attribute): Replace 'no' with 'not' and 'yes' with
        'normal'.

2003-02-25  Jan Hubicka  <jh@suse.cz>

        * objc-act.c: Include cgraph.h
        (mark_referenced_methods): New function.
        (objc_init): Call it.
        * objc-lang.c (LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION): Set.

        * c-decl.c (finish_function): Honor can_defer_p even in unit-at-a-time
        mode.

        * optabs.c (expand_fix): Do not widen the input operand.

        * expr.c (emit_group_store):  Fix crash when converting single
        register into complex register.

        * Makefile.in (jump.o, regclass.o, alias.o): Add dependency on timevar.h
        * alias.c: Include timevar.h
        (init_alias_analysis):  Set timevar
        * jump.c: Include timevar.h
        (rebuild_jump_labels):  Set timevar
        * regcalss.c: Include timevar.h
        (reg_scan):  Set timevar
        * timevar.def (TV_ALIAS_ANALYSIS, TV_REG_SCAN, TV_REBUILD_JUMP): New

2003-02-26  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cse.c (count_reg_usage): Fix handling of REG_EQUAL notes.

        * Makefile.in (loop-unroll.o): New.
        * cfgloop.h (UAP_PEEL, UAP_UNROLL, UAP_UNROLL_ALL): New.
        (unroll_and_peel_loops): Declare.
        * alias.c (init_alias_analysis): Flag_unroll_loops renamed to
        flag_old_unroll_loops.
        * loop.c (loop_invariant_p): Ditto.
        * unroll.c (unroll_loop): Flag_unroll_all_loops renamed to
        flag_old_unroll_all_loops.
        * flags.h (flag_unroll_loops): Renamed to flag_old_unroll_loops.
        (flag_unroll_all_loops): Renamed to flag_old_unroll_all_loops.
        * params.def (PARAM_MAX_UNROLLED_INSNS): Default value changed.
        (PARAM_MAX_AVERAGE_UNROLLED_INSNS, PARAM_MAX_UNROLL_TIMES,
        PARAM_MAX_PEELED_INSNS, PARAM_MAX_PEEL_TIMES,
        PARAM_MAX_COMPLETELY_PEELED_INSNS, PARAM_MAX_COMPLETELY_PEEL_TIMES,
        PARAM_MAX_ONCE_PEELED_INSNS): New.
        * toplev.h (flag_old_unroll_loops, flag_old_unroll_all_loops): New.
        (flag_unroll_loops, flag_unroll_all_loops): Used for new unroller
        instead of old one.
        (flag_peel_loops): New.
        (lang_independent_options): The new flags added.
        (rest_of_compilation): Call new unroller.
        (process_options): Setup flags for coexistence of old and new unroller.
        * doc/invoke.texi: Document new options.
        * doc/passes.texi: Document new unroller pass.

2003-02-26  David Billinghurst <David.Billinghurst@riotinto.com>

        * fixinc/fixincl.x: Regenerate

2003-02-26  Josef Zlomek  <zlomekj@suse.cz>

        * function.c (assign_parms): Set reg_attrs for parameters passed in
        registers.

2003-02-26  Alan Modra  <amodra@bigpond.net.au>

        PR target/9681
        * tlink.c (scan_linker_output): Drop leading '.' from symbol names.

2003-02-25  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/xcoff.h (ASM_FILE_START): Do not emit machine
        pseudo-op.

2003-02-25  Roger Sayle  <roger@eyesopen.com>

        * combine.c (combine_simplify_rtx, simplfy_comparison):  Use CC0_P.
        * cse.c (invalidate_skipped_set):  Likewise.
        * integrate.c (subst_constants):  Likewise.
        * jump.c (reversed_comparison_code_parts):  Likewise.
        * loop.c (canonicalize_condition):  Likewise.
        * simplify-rtx.c (simplify_relational_operation):  Likewise.

2003-02-25  Roger Sayle  <roger@eyesopen.com>

        * builtins.def (DEF_LIB_ALWAYS_BUILTIN, DEF_UNUSED_BUILTIN): Delete.
        (abs, labs, fabs, fabsf, fabsl, abort, exit, _exit, _Exit):  Use
        the appropriate macro to define built-in function.
        (fmod,fmodf,fmodl): New built-in functions.

        * doc/extend.texi (fmod,fmodf,fmodl): Document new built-ins.

2003-02-25  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (function_arg): Pass variable sized
        structures correctly on the stack.

2003-02-25  Kazu Hirata  <kazu@cs.umass.edu>

        * reload1.c (reload_cse_move2add): Use STRICT_LOW_PART if PLUS
        does not reduce the cost of SET.

2003-02-25  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        PR target/9732
        * config/rs6000/rs6000.c (first_reg_to_save): Handle
        PIC_OFFSET_TABLE_REGNUM for -fPIC too.
        (rs6000_emit_prologue): Likewise.
        (rs6000_emit_epilogue): Likewise.
        * config/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Make
        PIC_OFFSET_TABLE_REGNUM a fixed register for -fPIC.

2003-02-25  Richard Henderson  <rth@redhat.com>

        * real.c (real_to_integer2): Force overflow result only for
        unsigned overflow.

2003-02-25  Kazu Hirata  <kazu@cs.umass.edu>

        * gcse.c (cprop_jump): Revert the 2003-02-23 change.

2003-02-25  Vladimir Makarov  <vmakarov@toke.toronto.redhat.com>
            Richard Henderson  <rth@redhat.com>

        * sched-ebb.c (add_deps_for_risky_insns): Add the dependence when
        there is no similar load.

2003-02-25  Vladimir Makarov  <vmakarov@redhat.com>
            Richard Henderson  <rth@redhat.com>

        * sched-int.h (INSN_TRAP_CLASS, WORST_CLASS): Move them from
        sched-rgn.c.
        (add_forward_dependence): New function prototype.

        * sched-rgn.c (INSN_TRAP_CLASS, WORST_CLASS): Move them to
        sched-init.h.
        (CONST_BASED_ADDRESS_P, may_trap_exp, haifa_classify_insn): Move
        them to haifa-sched.c.

        * haifa-sched.c (CONST_BASED_ADDRESS_P, may_trap_exp,
        haifa_classify_insn): Move them from sched-rgn.c.

        * sched-deps.c (add_dependence): Return flag of creating a new
        entry.
        (add_forward_dependence): New function.
        (compute_forward_dependences): Use the function.

        * sched-ebb.c (earliest_block_with_similiar_load): New function.
        (add_deps_for_risky_insns): New function.
        (schedule_ebb): Call the function.

2003-02-20  Aldy Hernandez  <aldyh@redhat.com>

        * doc/tm.texi: Document Rename TARGET_VECTOR_TYPES_COMPATIBLE to
        TARGET_VECTOR_OPAQUE_P.  Document accordingly.

        * testsuite/gcc.dg/20030218-1.c: Check that initialization of
        opaque types fail.

        * c-typeck.c (comptypes): Change call to vector_types_compatible
        to vector_opaque_p.
        (convert_for_assignment): Call vector_opaque_p instead of
        vector_types_compatible.
        (really_start_incremental_init): Disallow initialization of opaque
        types.

        * target-def.h: Remove TARGET_VECTOR_TYPES_COMPATIBLE.
        Define TARGET_VECTOR_OPAQUE_P.
        (TARGET_INITIALIZER): Same.

        * target.h (struct gcc_target): Remove vector_types_compatible.
        Add vector_opaque_p.

        * config/rs6000/rs6000.c (rs6000_spe_vector_types_compatible):
        Remove.
        (is_ev64_opaque_type): Check for TARGET_SPE and make sure type is
        a vector type.  Change return type to bool.
        (TARGET_VECTOR_TYPES_COMPATIBLE): Remove.
        (TARGET_VECTOR_OPAQUE_P): Define.

        * cp/parser.c (cp_parser_init_declarator): Call vector_opaque_p
        target hook.
        Include target.h.
        (cp_parser_init_declarator): Fix typo in function comments.

2003-02-25  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (lcm.o):  Add dependency on function.h
        * lcm.c (function.h): Include.
        * i386.c (machine_function, ix86_stack_locals,
        * ix86_save_varrargs_registers) : Move to
        ...
        * i386.h (machine_function, ix86_stack_locals,
        ix86_save_varrargs_registers): ... here; add optimize_mode_switching
        (ix86_optimize_mode_switching): New.
        * i386.md (fix patterns): Set ix86_optimize_mode_switching

2003-02-25  Nick Clifton  <nickc@redhat.com>

        * config/d30v/d30v.c (d30v_init_cumulative_args): Fix typo.  Name
        of fourth arg is 'fndecl' not 'indirect'.  Update comment
        describing the function's parameters.

2003-02-24  Jan Hubicka  <jh@suse.cz>

        * combine.c (simplify_shift_const):  Fix previous patch.

2003-02-24  Jeff Law  <law@redhat.com>

        * i386.md (testdi_1_rex64): Discourage reload from using the %eax
        alternative.
        (testsi_1, testhi_1, testqi_1): Likewise.

2003-02-24  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/alpha/osf.h (TARGET_OS_CPP_BUILTINS): Rename
        __EXTERN_PREFIX to __PRAGMA_EXTERN_PREFIX.
        * doc/extend.texi (Tru64 Pragmas): Reflect this.

        * fixinc/inclhack.def (alpha___extern_prefix): Indicate #pragma
        extern_prefix support for Tru64 UNIX V5 <sys/stat.h>.
        * fixinc/fixincl.x: Regenerate.
        * fixinc/tests/base/sys/stat.h [ALPHA___EXTERN_PREFIX_CHECK]: New
        testcase.
        Fixes PR c/5059, c/6126, other/9671.

2003-02-24  Roger Sayle  <roger@eyesopen.com>

        * gcc.c (do_spec_1) ['{']:  Handle pending argument upon return
        from handle_braces in "%{...}".

2003-02-24  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (TARGET_HAVE_TLS): Conditionally define.
        (prepare_move_operands): Handle TLS operands.
        (tls_symbolic_operand): New.
        (nonpic_symbol_mentioned_p): Handle TLS UNSPECs.
        (legitimize_pic_address): Do nothing for the TLS symbol.
        (sh_encode_section_info): Handle TLS case.
        (sh_strip_name_encoding): Drop TLS encoding.
        * config/sh/sh-protos.h (tls_symbolic_operand): Add prototype.
        * config/sh/sh.h (SH_TLS_ENCODING): Define.
        (TLS_SYMNAME_P, STRIP_TLS_ENCODING): Likewise.
        (ASM_OUTPUT_LABELREF): Drop TLS encoding.
        (OUTPUT_ADDR_CONST_EXTRA): Handle TLS UNSPECs.
        * config/sh/sh.md: Define TLS UNSPEC constants.
        (type): Add tls_load.
        ("tls_global_dynamic", "tls_local_dynamic"): New insns.
        ("sym2DTPOFF", "symDTPOFF2reg", "sym2GOTTPOFF"): New expanders.
        ("tls_initial_exec"): New insn.
        ("sym2TPOFF", "symTPOFF2reg"): New expanders.
        ("load_gbr"): New insn.

        * configure.in (HAVE_AS_TLS): Add sh-*-* and sh[34]*-*-* cases.
        * configure: Regenerate.

2003-02-24  Alan Modra  <amodra@bigpond.net.au>

        PR 9297, PR 9722
        * calls.c (store_one_arg): Revert 1999-02-16 change.  Revert
        2000-12-17 change.  Pass EXPAND_STACK_PARM to expand_expr.
        * expr.h (enum expand_modifier): Define EXPAND_STACK_PARM.
        (enum block_op_methods): Reorder for better store_expr optimization.
        * expr.c (store_expr): Test bit 1 of "want_value" for call param
        stores, test bit 0 for original want_value meaning.  Pass
        BLOCK_OP_CALL_PARM to emit_block_move when bit 1 set.  Adjust
        recursive calls, and calls to expand_param.
        (expand_expr): Handle EXPAND_STACK_PARM modifier.  When cse
        expected, set target to 0 rather than to subtarget.  Formatting.

2003-02-23  Kazu Hirata  <kazu@cs.umass.edu>

        * gcse.c (cprop_jump): Use the REG_EQUAL note if available.

2003-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * doc/invoke.texi (ggc-min-expand, ggc-min-heapsize): Document
        new default behavior.
        * ggc-common.c: Include sys/resource.h.
        (ggc_rlimit_bound): New function.
        (ggc_min_expand_heuristic, ggc_min_heapsize_heuristic): Update
        defaults to account for rlimits.

2003-02-22  Richard Henderson  <rth@redhat.com>

        * i386.c, i386.h (TUNEMASK): Rename from CPUMASK.

2003-02-22  Kelley Cook <kelley@dwhoops.info>

        * i386.h, i386.c, i386.md (ix86_tune): Rename from ix86_cpu.
        (ix86_tune_string): Rename from ix86_cpu_string.

2003-02-22  Kelley Cook <kelleycook@comcast.net>

        * config/i386/i386.c: Replace "mcpu" with "mtune".
        * config/i386/i386.h (TARGET_OPTIONS): Likewise.
        (CC1_CPU_SPEC): Likewise. New warning for "-mcpu".
        * doc/invoke.texi (i386 and x86-64 Options): Replace "mcpu"
        with "mtune".  Note that "mcpu" is a deprecated synonym for "mtune".

2003-02-23  Andreas Schwab  <schwab@suse.de>

        * config.gcc: Delete references to m68k/t-linux and
        m68k/t-linux-aout.
        * config/m68k/t-linux, config/m68k/t-linux-aout: Removed.

2003-02-22  Jan Hubicka  <jh@suse.cz>

        * toplev.c (rest_of_compilation):  Apply fotgotten hunk
        of track scheduling patch.

2003-02-22  Jan Hubicka  <jh@suse.cz>

        * config/linux.h (TARGET_HAS_F_SETLKW): Define.
        * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Likewise

2003-02-22  Jan Hubicka  <jh@suse.cz>

        * c-decl.c (c_expand_body_1): Fix.

2003-02-22  Jan Hubicka  <jh@suse.cz>

        * expmed.c (expand_divmod): Undo sign extensions for unsigned operands

        * cfgcleanup.c (try_forward_edges):  Don't check loop structures
        when not optimizing.
        (cleanup_cfg): Do not iterate trought delete_trivially_dead_insns
        when not expensive.
        * toplev.c (rest_of_compilation):  Duplicate loop headers only when
        optimizing;  Delete trivially dead insns early; fix optimize check.

        * Makefile.in (c-decl.o, c-objc-common.o, cgraph.o, tree-inline.o): Add
        dependency on cgraph.h
        * c-decl.c: Include cgraph.h
        (finish_function): Update call of tree_inlinable_function_p.
        * c-objc-common.c: Include cgraph.h
        * cgraph.h: New file.
        * cgraphunit.c: New file.
        * cgraph.c (cgraph_node, cgraph_edge): Move into cgraph.h
        (cgraph_nodes, cgraph_n_nodes): Globalize.
        (cgraph_finalize_function, cgraph_finalize_compilation_unit
        cgraph_create_edges, cgraph_optimize, cgraph_mark_needed_node):
        Move into cgraphunit.c
        * tree-inline.c: Include cgraph.h
        * tree-inline.c: Include cgraph.h

2003-02-22  Josef Zlomek  <zlomekj@suse.cz>

        * config/i386/i386.md: Use gen_lowpart instead of gen_rtx_REG
        for copying a register.

2003-02-22  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        PR other/3782
        * toplev.c (process_options): If flag_detailed_statistics is set,
        then set time_report as well.

        PR c/8828
        * jump.c (never_reached_warning): Don't fall through BARRRIER
        insns.  Update comments to reflect what the function really does.

2003-02-21  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (omit_one_operand): No longer static.
        * tree.h (omit_one_operand): Prototype here.
        (div_and_round_double): Keep fold-const.c prototypes together.
        * builtins.c (builtin_mathfn_code): Handle binary built-in