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

2004-04-07  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (processor_target_table): Add MASK_MFCRF
        to power4 and power5 entries.

2004-04-06  Geoffrey Keating  <geoffk@apple.com>

        * c-common.h (pending_lang_change): Mark for PCH.

2004-04-07  Caroline Tice  <ctice@apple.com>

        * gcc.c (main): Move 'break' in main loops (on an error)
        to wait until error processing has occurred.
        
2004-04-06  Nathanael Nerode  <neroden@gcc.gnu.org>

        * config.gcc: Stop changing enable_threads midstream.
        Replace uses of enable_threads_flag with enable_threads.
        * configure.ac: Replace uses of enable_threads_flag with
        enable_threads.  Improve autoconf quotation in one place.
        * configure: Regenerate.

2004-04-06  Uros Bizjak  <uros@kss-loka.si>

        * builtins.c: Implement support for sincos function.
        (expand_builtin_mathfn): Remove BUILT_IN_SIN{,F,L} and
        BUILT_IN_COS{,F,L}.
        (expand_builtin_mathfn_3): New function.
        (expand_builtin): Expand BUILT_IN_SIN{,F,L} and
        BUILT_IN_COS{,F,L} using expand_builtin_mathfn_3 if
        flag_unsafe_math_optimization is set.

        * optabs.h (enum optab_index): Add new OTI_sincos.
        (sincos_optab): Define corresponding macro.

        * optabs.c (init_optabs): Initialize sincos_optab.
        (expand_twoval_unop): New function.

        * genopinit.c (optabs): Implement sincos_optab using sincos?f3
        patterns.

        * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_SINCOS_COS
        and UNSPEC_SINCOS_SIN.

        * config/i386/i386.md (sincosdf3, sincossf3, *sincosextendsfdf3,
        sincosxf3): New patterns to implement sincos, sincosf and sincosl
        built-ins as inline x87 intrinsics. Define splits for
        sindf2, sinsf2, *sinextendsfdf2, sinxf2, cosdf2,
        cossf2, *cosextendsfdf2 and cosxf2 patterns from corresponding
        sincos patterns.
        (sindf2, sinsf2, sinxf2): Rename to *sindf2, *sinsf2, *sinxf2.
        (cosdf2, cossf2, cosxf2): Rename to *cosdf2, *cossf2, *cosxf2.

        (UNSPEC_SINCOS_SIN, UNPEC_SINCOS_COS): New unspecs to represent
        x87's unspec insn.

2004-04-06  Devang Patel  <dpatel@apple.com>

        PR 14467
        * config/darwin.h (LINK_COMMAND_SPEC): Use c++filt instead of c++filt3.
        
2004-04-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * doc/install.texi: Update HP-UX 11 installation procedure.

2004-04-06  Paul Brook  <paul@codesourcery.com>

        * doc/sourcebuild.texi: Remove obsolete contraint on testcases.

2004-04-05  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (prepare_move_operands): Use emit_call_insn
        when the TLS address is generated by a function call.
        * config/sh/sh.md (tls_global_dynamic): Use a call expression.
        (tls_local_dynamic): Likewise.

2004-04-05  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree.c (reconstruct_complex_type): Use TYPE_READONLY
        and TYPE_VOLATILE.

2004-04-05  Caroline Tice  <ctice@apple.com>

        * gcc.c (combine_flag): New global variable, for new driver option.
        (struct compiler): Add two new fields, to be used when
        combining multiple input files in a single pass (IMA).
        (default_compilers):  Add values for the new fields to all 
        compiler entries. Modify the "@c" compiler entry for doing IMA 
        properly with "-save-temps" and the "combine" flag.
        (option_map):  Add new driver option, "--combine", to tell driver
        to pass multiple input files to compiler at one time.
        (have_o_argbuf_index): New global variable.
        (store_arg): Modify to assign value to have_o_argbuf_index.
        (struct infile):  Add three new fields, to help with IMA.
        (display_help): Add help for new "combine" option.
        (process_command): Remove local variable have_o; add code to check
        for new "combine" option; remove assignment to combine_inputs.
        (do_spec_1):  Modify to deal with IMA better.
        (main): Make variable 'lang_n_infiles' local to entire function
        rather than to a single block.  Use flag combine_flag to 
        determine whether to do IMA or not; Modify loop initializing 
        infiles to deal properly with linker files.
        Add code for doing preprocessing in presence of
        IMA with "-save-temps" flag.  Modify "main" loop to handle
        multiple input files, in multiple languages, with or without
        preprocessing,  gracefully.
        * toplev.c (set_src_pwd): Modify to not complain if attempting to
        re-set it to same directory it's previously been set to (avoid
        irritating, meaningless warning messages when doing IMA with 
        save-temps).
        * doc/invoke.texi: Add "-combine" to list of Overall Options;
        remove documentation about IMA that is no longer accurate; Add
        documentation explaining what "-combine" does.
        * ada/lang-specs.h: Add initialization values for new fields in
        "struct compiler".
        * cp/lang-specs.h: Likewise.
        * f/lang-specs.h: Likewise.
        * java/lang-specs.h: Likewise.
        * objc/lang-specs.h: Likewise.
        * treelang/lang-specs.h: Likewise.

2004-04-05  David Edelsohn

        * config/rs6000/rs6000.c (VTABLE_NAME_P): Add _ZTI to special
        symbol handling.

2004-04-05  Jakub Jelinek  <jakub@redhat.com>
            John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR optimization/13424 (hppa), bootstrap/14462, c/14828
        * pa.md: Use replace_equiv_address to retain the attributes of the
        memory operands used in the split and peephole2 patterns for optimizing
        the pre-reload movstrsi, movstrdi, clrstrsi and clrstrdi patterns.

2004-04-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * c-decl.c (build_compound_literal): Use TYPE_READONLY.
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
        * objc/objc-act.c (adorn_decl, gen_declspecs): Likewise.
        * c-typeck.c (decl_constant_value): Don't access DECL_INITIAL of a
        PARM_DECL.
        * calls.c (flags_from_decl_or_type): Use TYPE_READONLY and do so only
        for a type.
        * print-tree.c (print_node): Properly handle side-effects, readonly,
        and constant flags.
        * tree.c (build1_stat, build_expr_wfl): Only look at TREE_SIDE_EFFECTS
        and TREE_CONSTANT if not a type.
        * tree.h (IS_NON_TYPE_CODE_CLASS): New macro.
        (IS_EXPR_CODE_CLASS): Write 'E', not 'e'.
        (NON_TYPE_CHECK): New macro.
        (TREE_SIDE_EFFECT, TREE_READONLY, TREE_CONSTANT: Add check.

2004-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sol2-bi.h (PREFERRED_DEBUGGING_TYPE): Set
        to DWARF2_DEBUG unconditionally.
        (ASM_DEBUG_SPEC): Set the default to --gdwarf2 unconditionally.

2004-04-04  Ian Lance Taylor  <ian@wasabisystems.com>
            Nathanael Nerode  <neroden@gcc.gnu.org>

        PR target/14548
        * config.host: Set the shell variable host_can_use_collect2.
        Set it to yes by default, and to no for alpha*-dec-*vms*,
        i[34567]86-*-mingw32*, and powerpc-*-beos*.
        * configure.ac: Set and substitute the shell variable collect2.
        Give an error if use_collect2 is yes and host_can_use_collect2 is
        no.
        * Makefile.in (COLLECT2): Rename from USE_COLLECT2.  Change all
        uses.  Initialize to @collect2@.
        (STAGESTUFF): Remove $(USE_COLLECT2).
        * config/alpha/x-vms (USE_COLLECT2): Don't set.
        * config/i386/t-mingw32 (USE_COLLECT2): Likewise.
        * config/rs6000/t-beos (USE_COLLECT2): Likewise.
        * config/pa/t-pa64: Remove commented out USE_COLLECT2.
        * configure: Regenerate.

2004-04-04  Roger Sayle  <roger@eyesopen.com>

        * simplify-rtx.c (simplify_binary_operation): Constant fold
        DIV, MOD, UDIV and UMOD using div_and_round_double.

2004-04-04  Mark Mitchell  <mark@codesourcery.com>

        PR c++/14804
        * varasm.c (initializer_constant_valid_p): Allow NOP_EXPRs to
        RECORD_TYPEs.

2004-04-04  Mark Mitchell  <mark@codesourcery.com>

        * doc/invoke.texi (-mabi=o64): Create link to O64 ABI
        documentation.

2004-04-04  Roger Sayle  <roger@eyesopen.com>

        * cse.c (cse_insn): Correct usage of simplify_replace_rtx when
        updating the REG_EQUAL note on an insn's libcall_insn.

2004-04-04  Roger Sayle  <roger@eyesopen.com>

        * df.h: Tidy up whitespace in the definitions of the DF_ flags.

2004-04-03  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold) <PLUS_EXPR>: Guard (-A)+B -> B-A transformation
        with reorder_operands_p.

2004-04-03  Jan Hubicka  <jh@suse.cz>

        * md.texi (vec_set, vec_extract, vec_init): Document.

2004-04-02  Gabor Loki <loki@inf.u-szeged.hu>

       * opts.c (decode_options): Do function inlining with very small
       max-inline-insns-* parameters when optimizing for size.

2004-04-02  Vladimir Makarov  <vmakarov@redhat.com>

        * config/i386/i386.h (TARGET_NOCONA): New macro.
        (TARGET_CPU_CPP_BUILTINS): Add code for Nocona.
        (processor_type): Add PROCESSOR_NOCONA.
        
        * config/i386/i386.md (cpu): Add nocona to the attribute values.

        * config/i386/i386.c (nocona_cost): New variable.
        (m_NOCONA): New macro.
        (x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
        x86_branch_hints, x86_use_sahf, x86_single_stringop,
        x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8,
        x86_integer_DFmode_moves, x86_partial_reg_dependency,
        x86_memory_mismatch_stall, x86_accumulate_outgoing_args,
        x86_decompose_lea, x86_arch_always_fancy_math_387,
        x86_sse_partial_reg_dependency, x86_sse_load0_by_pxor,
        x86_ext_80387_constants, x86_four_jump_limit):
        (override_options): Add nocona_cost to processor_target_table.
        Set up PROCESSOR_NOCONA for Nocona entry in processor_alias_table.
        (incdec_operand): Prevent inc/dec generation for Nocona too.
        (ix86_issue_rate): Add PROCESSOR_NOCONA.
        
2004-04-01  Andrew Pinski  <pinskia@physics.uc.edu>

        * rtlanal.c (find_reg_note): Manually
        unswitch the loop.

2004-04-01  Mark Mitchell  <mark@codesourcery.com>

        * genemit.c (gen_split): Change prototype of generated code.
        * genrecog.c (write_action): Adjust prototype for and calls to
        gen_split_*.
        * gensupport.c (struct queue_elem): Add split field.
        (queue_pattern): Return a value.  Clear the split field.
        (process_rtx): Maintain an association between an insn and the
        split generated from it for a define_insn_and_split.
        (process_one_cond_exec): Generate a new split for a
        define_insn_and_split.
        * config/arm/arm-protos.h (arm_split_constant): Add insn
        parameter.
        (emit_constant_insn): New function.
        (arm_gen_constant): Use it.
        * config/arm/arm.md: Adjust calls to arm_split_constant.

2004-04-02  Jan Hubicka  <jh@suse.cz>

        * cgraph.c: Add overall comment.
        (cgraph_inline_hash): New global variable.
        (cgraph_create_node): Break out from ...
        (cgraph_node): ... here.
        (cgraph_edge): New function.
        (cgraph_create_edge): New CALL_EXPR argument; some sanity checking.
        (cgraph_remove_edge): Accept edge, intead of source and destination.
        (cgraph_redirect_edge_callee): New.
        (cgraph_remove_node): Update all new datastructures.
        (cgraph_record_call, cgraph_remove_call): Kill.
        (dump_cgraph_node): Break out from ... ; dump new datastructures.
        (dump_cgraph): ... here.
        (cgraph_function_possibly_inlined_p): Use new hashtable.
        (cgraph_clone_edge, cgraph_clone_node): New.
        * cgraph.h: Include hashtab.h
        (struct cgraph_global_info): Kill cloned_times, inline_once, will_be_output
        fields, add inlined_to pointer.
        (cgraph_node): Add pointer to next_clone.
        (cgraph_remove_edge, cgraph_create_edge): Update prototype.
        (cgraph_remove_call, cgraph_record_call): Kill.
        (cgraph_inline_hash): Declare.
        (dump_cgraph_node, cgraph_edge, cg4raph_clone_edge, cgraph_clone_node,
        cgraph_redirect_edge_callee): Declare.
        (cgraph_create_edges, cgraph_inline_p): Update prorotype.
        (cgraph_preserve_function_body_p, verify_cgraph, verify_cgraph_node,
        cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Declare.
        * cgraphunit.c: Add overall comment.
        (cgraph_optimize_function): Kill.
        (cgraph_assemble_pending_functions): Do not assemble inline clones.
        (cgraph_finalize_function): Update call of cgraph_remove_node
        (record_call_1): Record call sites.
        (cgraph_create_edges): Accept node instead of decl argument.
        (error_found): New static variable.
        (verify_cgraph_node_1, verify_cgraph_node, verify_cgraph): New functions.
        (cgraph_analyze_function): Update for new datastructures.
        (cgraph_finalize_compilation_unit): Plug memory leak.
        (cgraph_optimize_function): Kill.
        (cgraph_expand_function): Do not use cgraph_optimize_function.
        (INLINED_TIMES, SET_INLINED_TIMES, cgraph_inlined_into,
        cgraph_inlined_callees): Kill.
        (cgraph_remove_unreachable_nodes): Verify cgraph; update handling of
        clones.
        (estimate_growth): Simplify.
        (cgraph_clone_inlined_nodes): New function.
        (cgraph_mark_inline_edge): Re-implement.
        (cgraph_mark_inline): Likewise.
        (cgraph_check_inline_limits): Simplify.
        (cgraph_recursive_inlining_p): New.
        (update_callee_keys): Break out from ...
        (cgraph_decide_inlining_of_small_functions): ... here; simplify.
        (cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
        Likewise.
        (cgraph_expand_all_functions):  Remove inline clones from the ordered
        list.
        (cgraph_preserve_function_body_p): New predicate.
        (cgraph_optimize): Verify cgraph.
        * function.h (struct function): Add fields saved_tree/saved_args.
        * timevar.def (TV_CGRAPH_VERIFY): Use verifier.
        * toplev.c (rest_of_compilation): Do not free cfun.
        * tree-inline.c: Include function.h
        (struct inline_data): Add saving_p field; replace decl/current_decl by
        node/current_node.
        (insert_decl_map): New function.
        (copy_body_r): Handle saving; update cgraph datastructure.
        (copy_body): Handle recursive inlining.
        (initialize_inlined_parameters): Likewise.
        (expand_call_inline): Propagate node attributes; update cgraph.
        (optimize_inline_calls): Verify that datastructure still match.
        (save_body): New function.
        * tree-inline.h (save_body): New.
        * tree-optimize.c (tree_rest_of_compilation): preserve function body; do inlining.
        * langhooks-def.c (LANG_HOOKS_UPDATE_DECL_AFTER_SAVING): New.
        * langhooks.c (lang_hooks): Add update_decl_after_saving.

2004-04-01  Serge Belyshev  <1319@bot.ru>

        PR target/14702
        * config/i386/i386.md: fix source operand constraints in
        mmx_pshufw, sse2_pshufd, sse2_pshuflw, sse2_pshufhw

2004-04-01  Waldek Hebisch  <hebisch@math.uni.wroc.pl>

        * fold-const.c (folda): Preserve types of comparisons.

2004-04-01  Richard Henderson  <rth@redhat.com>

        * toplev.c (backend_init): Move init_optimization_passes call ...
        (lang_dependent_init): ... here.

2004-04-01  Alan Modra  <amodra@bigpond.net.au>
            Jakub Jelinek  <jakub@redhat.com>

        * gcc.c (init_gcc_specs): If HAVE_LD_AS_NEEDED, link with
        -lgcc --as-needed -lgcc_s --no-as-needed by default.
        * configure.ac (HAVE_LD_AS_NEEDED): Check for ld --as-needed.
        * configure: Rebuilt.
        * config.in: Rebuilt.
        * Makefile.in (stage1-start): Copy also libgcc_s*$(SHLIB_EXT).
        (stage2-start, stage3-start, stage4-start): Likewise.
        (stageprofile-start, stagefeedback-start): Likewise.

2004-04-01  Jakub Jelinek  <jakub@redhat.com>

        * config/sparc/sparc.h (DITF_CONVERSION_LIBFUNCS): Define to 0.
        * config/sparc/linux.h (DITF_CONVERSION_LIBFUNCS): Redefine to 1.
        * config/sparc/linux64.h (DITF_CONVERSION_LIBFUNCS): Redefine to 1.
        * config/sparc/sol2.h (DITF_CONVERSION_LIBFUNCS): Redefine to 1.
        (SOLARIS_CONVERSION_LIBFUNCS): Rename to SUN_CONVERSION_LIBFUNCS.
        * config/sparc/sparc.c (sparc_init_libfuncs): Initialize optabs
        with _Q_qtoll, _Q_qtoull and _Q_lltoq if DITF_CONVERSION_LIBFUNCS.
        * config.gcc (sparc-*-linux*): Revert 2004-03-23 change.
        * config/sparc/t-linux64 (TARGET_LIBGCC2_CFLAGS): Likewise.
        * config/sparc/t-linux: Removed.

2004-04-01  Jakub Jelinek  <jakub@redhat.com>

        PR c++/14755
        * fold-const.c (fold) <EQ_EXPR>: Properly compute newconst in
        "bitfld++ == const" to "++bitfld == const + incr" transformations.

2004-04-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * expr.c (get_inner_reference): Use DECL_UNSIGNED, not TREE_UNSIGNED.
        * stor-layout.c (layout_decl): Likewise.
        * tree.c (get_narrower): Likewise and also use BIT_FIELD_REF_UNSIGNED.
        * fold-const.c (make_bit_field_ref): Use BIT_FIELD_REF_UNSIGNED.
        * print-tree.c (print_node): Handle various used of unsigned_flag.
        * tree.def (BIT_FIELD_REF): Update comment.
        * tree.h (TREE_UNSIGNED): Deleted.
        (DECL_UNSIGNED, BIT_FIELD_REF_UNSIGNED): New macros.

2004-03-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * builtins.c, c-aux-info.c, c-common.c, c-cppbuiltin.c, c-decl.c:
        Change most occurrences of TREE_UNSIGNED to TYPE_UNSIGNED.
        * c-format.c, c-opts.c, c-pretty-print.c, c-typeck.c: Likewise.
        * calls.c, convert.c, dbxout.c, dojump.c, dwarf2out.c: Likewise.
        * expmed.c, expr.c, fold-const.c, function.c, integrate.c: Likewise.
        * optabs.c, sdbout.c, stmt.c, stor-layout.c, tree-dump.c: Likewise.
        * tree.c, config/iq2000/iq2000.c, config/m32r/m32r.c: Likewise.
        * config/mips/mips.c, config/rs6000/rs6000.c: Likewise.
        * config/s390/s390.c, config/sparc/sparc.c, objc/objc-act.c: Likewise.
        * stor-layout.c (layout_type, case COMPLEX_TYPE): Test for
        REAL_TYPE, not INTEGER_TYPE.
        (layout_type, case VECTOR_TYPE): Simplify code.
        * tree.c (build_vector_type_for_mode): Remove dup unsigned setting.
        * tree.h: Update comments.
        (STRIP_NOPS): Use TYPE_UNSIGNED.
        (TYPE_UNSIGNED): New macro.
        (TYPE_TRAP_SIGNED): Remove now redundant check.
        (SAVE_EXPR_NOPLACEHOLDER): Don't use TREE_UNSIGNED.

2004-03-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * function.c (put_var_into_stack): Properly set orig_reg for indirect.

2004-03-31  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA):
        Add darwin-fpsave.asm, darwin-vecsave.asm,
        and darwin-world.asm.
        (TARGET_LIBGCC2_CFLAGS): Add -Wa,-force_cpusubtype_ALL
        as the asm files contain altivec instructions.
        * config/rs6000/darwin-fpsave.asm: New file.
        * config/rs6000/darwin-vecsave.asm: New file.
        * config/rs6000/darwin-world.asm: New file.

2004-03-31  Zack Weinberg  <zack@codesourcery.com>

        * gengtype-yacc.y (option, stringseq): Add missing
        terminating semicolon.

2004-03-30  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (tls_gd_32, tls_gd_64,
        tls_ld_32, tls_ld_64, tls_dtprel_32, tls_dtprel_64,
        tls_dtprel_ha_32, tls_dtprel_ha_64,
        tls_dtprel_lo_32, tls_dtprel_lo_64,
        tls_got_dtprel_64, tls_tprel_32, tls_tprel_64,
        tls_tprel_ha_32, tls_tprel_ha_64,
        tls_tprel_lo_32, tls_tprel_lo_64,
        tls_got_tprel_32, tls_got_tprel_64,
        tls_tls_32, tls_tls_64): Replace register_operand with
        gpc_reg_operand.

2004-03-30  Mostafa Hagog  <mustafa@il.ibm.com>

        * config/rs6000/rs6000.md (*ctrsi_internal1, *ctrsi_internal2,
        *ctrdi_internal1, *ctrdi_internal2, *ctrsi_internal3,
        *ctrsi_internal4, *ctrdi_internal3, *ctrdi_internal4,
        *ctrsi_internal5, *ctrsi_internal6, *ctrdi_internal5,
        *ctrdi_internal6): Replace register_operand with
        nonimmediate_operand.

2004-03-29  Fariborz Jahanian <fjahanian@apple.com>

        * fold-const.c (fold): Reassociate multiply expression
        with an adjacent non-multiply expression to use
        architecture's multiply-add instruction.

2004-03-30  Zack Weinberg  <zack@codesourcery.com>

        * gengtype.c (create_option): New function.
        * gengtype.h: Prototype it.
        * gengtype-yacc.y (stringseq): New rule.
        (option): Use create_option.  Add new bare ID production.  Use
        stringseq, not STRING directly.

        * alias.c, bitmap.c, c-decl.c, cgraph.h, cpplib.h, cselib.h
        * dwarf2out.c, emit-rtl.c, function.h, lists.c, tree.h
        * varray.h, config/alpha/alpha.c:
        Use new shorter form of GTY markers.

        * doc/gty.texi: Rewrite.

2004-03-30  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/darwin.c (machopic_function_base_name):
        Remove current_name and getting the name of the
        current function.

2004-03-30  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.md (thumb_jump): Reduce the backward branch
        range, and increase the forward branch range, to allow for
        the fact that the PC will be off by 4.

2004-03-30  Alan Modra  <amodra@bigpond.net.au>

        * .cvsignore: Add GPATH, GRTAGS, GSYMS and GTAGS (GNU GLOBAL)

2004-03-30  Hartmut Penner  <hpenner@de.ibm.com>

        * config/rs6000/rs6000.c (output_vec_const_move):
        Find all cases of EASY_VECTOR_15_ADD_SELF.
        (easy_vector_constant_add_self): Accept
        all vector constant loadable by vsplt* and vadd*.
        (easy_vector_same): Use easy_vector_splat_const.
        (easy_vector_const): Use easy_vector_splat_const.
        (easy_vector_splat_const): New function.
        (gen_easy_vector_constant_add_self): New function.

        * config/rs6000/rs6000-protos.c (gen_easy_vector_constant_add_self):
        New prototype.

        * config/rs6000/altivec.md (movv4si splitter): Change to
        emit move insn with halfed vector constant.
        (*movv8hi splitter): Likewise.
        (*movv16qi splitter): Likewise.

2004-03-30  Hartmut Penner  <hpenner@de.ibm.com>

        PR 11591
        * config/rs6000/rs6000.c (rs6000_legitimate_address):
        Allow any offset to argument pointer in no-strict case.

2004-03-30  Jan Hubicka  <jh@suse.cz>

        * toplev.c (backend_init): Add missing call to inint_optimization_passes.
        * passes.c (init_optimization_passes, finish_optimization_passes): Output cgraph
        dump file in non-unit-at-a-time mode.

2004-03-29  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.h: Correct #ifdef to test for
        HAVE_AS_NO_MUL_BUG_ABORT_OPTION, not
        HAVE_AS_MUL_BUG_ABORT_OPTION.

2004-03-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * function.c (put_var_into_stack): If old RTL was ADDRESSOF, update
        the address inside the old RTL.

2004-03-28  Zack Weinberg  <zack@codesourcery.com>

        * c-decl.c: Verify that C_SIZEOF_STRUCT_LANG_IDENTIFIER is correct.
        (struct c_binding, struct c_scope): Add chain_next
        attributes to GTY markers.
        (struct lang_identifier, struct lang_tree_node): Define
        here...
        * c-tree.h: ... not here.  No longer need to declare struct
        c_binding either.  Do define C_SIZEOF_STRUCT_LANG_IDENTIFIER.
        * c-lang.c, objc/objc-lang.c: Set LANG_HOOKS_IDENTIFIER_SIZE
        to C_SIZEOF_STRUCT_LANG_IDENTIFIER.

        PR 14734, 11944
        * c-decl.c (get_parm_info): If error_mark_node is encountered
        in the bindings chain, unbind and discard it; don't abort.

2004-03-28  Olga Golovonevsky <olga@il.ibm.com>
            Dorit Naishlos <dorit@il.ibm.com>

        * config/rs6000/altivec.md: (andvv16qi3, andv8hi3, one_cmplv16qi2,
        one_cmplv8hi2, one_cmplv4si2, iorv16qi3, iorv8hi3,): New modelling.

2004-03-28  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11-protos.h (m68hc11_page0_symbol_p): Declare.

        * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute): New.
        (m68hc11_attribute_table): New attribute "page0" to mark a global
        variable as being allocated from within page0 section.
        (m68hc11_encode_label): New function.
        (m68hc11_strip_name_encoding): New function.
        (m68hc11_page0_symbol_p): New function.
        (m68hc11_indirect_p): Accept global variables marked in page0.
        (m68hc11_encode_section_info): Lookup "page0" attribute.

        * config/m68hc11/m68hc11.h (EXTRA_CONSTRAINT): 'R' constraint also
        represents access to page0 variables.

        * config/m68hc11/m68hc11.md ("*logicalsi3_zexthi"): Use gen_rtx_REG.
        ("*logicalsi3_silshl16_zext"): Likewise.
        ("*ashldi3_const32"): Likewise.
        (peephole2 ashift): Likewise.

2004-03-28  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-tree.h (C_DECL_REGISTER): New.
        * c-aux-info.c (gen_decl), c-decl.c (objc_mark_locals_volatile,
        finish_decl, grokdeclarator, get_parm_info), c-typeck.c
        (build_array_ref, c_mark_addressable): Set and use it.
        * c-decl.c (grokdeclarator), c-typeck.c (c_mark_addressable):
        Allow structures with volatile fields to be declared register.
        Don't check TREE_ADDRESSABLE before warning about taking address
        of register.
        * c-decl.c (finish_decl): Don't allow structures with volatile
        fields to be placed in named register.
        * doc/trouble.texi: Remove reference to structures with volatile
        fields in registers.

2004-03-27  Ulrich Weigand  <uweigand@de.ibm.com>

        * function.c (thread_prologue_and_epilogue): Move
        NOTE_INSN_FUNCTION_END and NOTE_INSN_FUNCTION_BEG notes
        before the epilogue.

2004-03-27  Ulrich Weigand  <uweigand@de.ibm.com>

        * expr.c (store_constructor): Use gen_int_mode to correctly
        sign-extend CONST_INT value.

2004-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtin-types.def (BT_WINT, BT_FN_INT_WINT, BT_FN_WINT_WINT): New.
        * builtins.def (DEF_C94_BUILTIN): New.  Add wctype builtins.
        * doc/extend.texi: Likewise.

2004-03-26  Diego Novillo  <dnovillo@redhat.com>

        * c-typeck.c (comptypes): Replace calls to TYPE_DOMAIN
          with TYPE_ORIG_SIZE_TYPE.

2004-03-25  Aldy Hernandez  <aldyh@redhat.com>

        PR 14219
        * c-typeck.c (build_binary_op): Do not allow comparisons of
        vectors.

2004-03-26  James A. Morrison  <ja2morri@uwaterloo.ca>

        * config.gcc: Remove sparc-tti-*.
        * config/sparc/pbd.h: Delete.

        * config/sparc/sol2.h: Remove note about Sun OS 4.x.
        * config/sparc/aout.h: Likewise.

        * config/sparc/sparc.h: Remove if 0'd code.
        * config/sparc/sparc.md (call): Remove if 0'd code.
        (call_value): Likewise.
        (nonlocal_goto): Likewise.
        (unimp_insn): Delete.

2004-03-25  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (tree_expr_nonnegative_p): Handle BIT_XOR_EXPR like
        BIT_IOR_EXPR; A^B is nonnegative when A and B are nonnegative.

2004-03-25  Richard Henderson  <rth@redhat.com>

        PR 11527
        * c-typeck.c (pop_init_level): Emit pending init elements earlier
        rather than later.

2004-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (fold_builtin): Fix error in last change.

2004-03-25  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h: Formatting fix.

2004-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.def: Add ctype builtins.
        * doc/extend.texi: Likewise.

2004-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (fold_builtin): Add new builtin optimizations for
        sqrt and/or cbrt.
        * fold-const.c (fold): Likewise.

2004-03-25  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_always_hint): New variable.
        (rs6000_sched_groups): New variable.
        (processor_target_table): Add power5.
        (rs6000_override_options): Set rs6000_sched_insert_nops,
        rs6000_sched_costly_dep and rs6000_sched_restricted_insns_priority
        from rs6000_sched_groups.
        (output_cbranch): Use rs6000_always_hint.
        (rs6000_variable_issue): Use rs6000_sched_groups.
        (rs6000_adjust_cost): Add CPU_POWER5.
        (is_microcoded_insn): Use rs6000_sched_groups.
        (is_dispatch_slot_restricted): Use rs6000_sched_groups.
        Return 2 for POWER5 cracked instructions.
        (is_cracked_insn): Use rs6000_sched_groups.
        (is_branch_slot_insn): Use rs6000_sched_groups.
        (rs6000_issue_rate): Add CPU_POWER5.
        (rs6000_sched_finish): Use rs6000_sched_groups.
        (rs6000_rtx_costs): Add PROCESSOR_POWER5.
        * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER5.
        (DEFAULT_SCHED_COSTLY_DEP): Delete.
        (DEFAULT_RESTRICTED_INSNS_PRIORITY): Delete.
        (DEFAULT_SCHED_FINISH_NOP_INSERTION_SCHEME): Delete.
        * config/rs6000/rs6000.md (define_attr "cpu"): Add power5.
        * config/rs6000/power5.md: New file.
        * doc/invoke.texi: Add power5 option.

2004-03-25  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgrtl.c, dbxout.c, tree.def, config/darwin.h,
        config/arm/arm.c, objc/objc-act.c: Fix comment typos.
        * doc/invoke.texi: Fix a typo.

2004-03-25  Kazu Hirata  <kazu@cs.umass.edu>

        PR optimization/9707.
        * stmt.c (emit_case_nodes): Emit equality comparisons instead
        of recursing if both children are single-valued cases with no
        children.

2004-03-25  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (vfp_print_multi): Remove.
        (arm_output_fldmx): New function.
        (vfp_emit_fstmx): Return block size, not insn. Add ARM10 VFPr1 bugfix.
        (arm_expand_prologue): Update to match.
        (arm_get_vfp_saved_size): New Function.
        (arm_get_frame_offsets): Use it.
        (arm_output_epilogue): Use new functions.

2004-03-24  Richard Henderson  <rth@redhat.com>

        * alias.c (alias_invariant, alias_invariant_size): Mark GTY.
        (reg_known_value, reg_known_value_size): Likewise; make static.
        (reg_known_equiv_p): Make static.
        (clear_reg_alias_info): Update for new indexing.
        (get_reg_known_value, set_reg_known_value): New.
        (get_reg_known_equiv_p, set_reg_known_equiv_p): New.
        (canon_rtx): Use them.
        (init_alias_analysis): Likewise.  Allocate reg_known_value with gc.
        Don't play queer offsetting games with reg_known_value and
        reg_known_equiv_p.
        (end_alias_analysis): Free reg_known_value with gc.
        * rtl.h (get_reg_known_value, get_reg_known_equiv_p): Declare.
        * sched-deps.c (reg_known_equiv_p, reg_known_value): Remove.
        (deps_may_trap_p, sched_analyze_1, sched_analyze_2): Use the new
        functions instead.

2004-03-24  Kazu Hirata  <kazu@cs.umass.edu>

        * dwarf2asm.c, loop.h, pretty-print.c, pretty-print.h,
        config/i386/mmintrin.h: Update copyright.

2004-03-24  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.ac: Add --enable-werror-always (for top level bootstrap
        support).
        * configure: Regenerate.

2004-03-24  Ziemowit Laski  <zlaski@apple.com>

        * objc/objc-act.c (objc_comptypes): Treat comparisons
        between 'Class' and '<class> *' as explicitly invalid.

2004-03-24  David Edelsohn  <edelsohn@gnu.org>

        * doc/invoke.texi (-frename-registers: Add enabled at -O3.
        (-fprofile-values): Add enabled with profile-{generate,use}.
        (-fvpt): Same.
        (-ftracer): Add enabled with profile-use.
        (-funit-at-a-time): Add enabled at -O2,-O3.
        (-funroll-loops): Add enabled with profile-use.
        (-funswitch-loops): Add enabled with profile-use.  Remove duplicates.
        (max-gcse-passes): Mention default.
        (max-cse-path-length): Mention default.

2004-03-24  Nathanael Nerode  <neroden@gcc.gnu.org>

        * Makefile.in (STRICT2_WARN): Reorder.
        * configure.ac: Check for -Wold-style-definition, and use it
        in strict1_warn if it's available.
        * configure: Regnerate.

2004-03-24  Paul Brook  <paul@nowt.org>

        * config.gcc <arm>: Add --with-abi=
        * config/arm/arm-protos.h (arm_get_frame_size, thumb_get_frame_size,
        thumb_far_jump_used): Remove prototypes.
        (arm_needs_doubleword_align): Add prototype.
        (thumb_compute_initial_elimination_offset): Ditto.
        * config/arm/arm.c (arm_get_frame_offsets): New function.
        (use_return_insn, output_return_instruction, arm_output_epilogue,
        arm_output_function_epilogue, arm_compute_initial_elimination_offset,
        arm_expand_prologue, thumb_expand_epilogue): Use it.
        (arm_abi, target_abi_name, all_arm_abis): New variables.
        (arm_override_options): Set them.  Set structure padding for AAPCS.
        (arm_return_in_memory): Update ABI check.
        (arm_init_cumulative_args): Initialize can_split.
        (arm_needs_doubleword_align): New function.
        (arm_function_arg): Don't split args after pushing to stack. Handle
        doubleword/even reg alignment.
        (arm_va_arg): Handle all doubleword aligned args.
        (add_minpoolforward ref, dump_minpool, push_minpool_fix): Align based
        on ABI, not CPU.
        (arm_compute_save_reg0_reg12_mask): Fix comment.
        (thumb_get_frame_size, thumb_get_frame_size): Remove.
        (thumb_jump_far_used_p): Remove superfluous argument.  Return save
        value for alignment.
        (thumb_unexpanded_epilogue, thumb_output_function_prologue): Change
        to match.
        (thumb_compute_initial_elimination_offset): New function.
        (thumb_expand_prologue): Use arm_get_frame_offsets.  Remove
        unneccessary rounding.
        * config/arm/arm.h (target_abi_name): Declare.
        (ARM_DOUBLEWORD_ALIGN, DOUBLEWORD_ALIGNMENT, TARGET_IWMMXT_ABI,
        arm_abi_type, ARM_DEFAULT_ABI): Define.
        (ARM_FLAG_ATPCS): Remove.
        (TARGET_OPTIONS, OPTION_DEFAULT_SPECS): Add -mabi=.
        (BIGGEST_ALIGNMENT, PREFERRED_STACK_BOUNDARY, STACK_BOUNDARY): Use it.
        (ADJUST_FIELD_ALIGN, DATA_ALIGNMENT, LOCAL_ALIGNMENT,
        TYPE_NEEDS_IWMMXT_ALIGNMENT): Remove.
        (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P, FUNCTION_ARG_REGNO_P):
        Contitionalize on ABI, not CPU.
        (struct arm_stack_offsets): Define.
        (struct machine_function): Add stack_offsets.  Remove frame_size.
        (FUNCTION_ARG_PARTIAL_NREGS): Don't split if previous args have been
        pushed.
        (FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY): Handle general
        doubleword alignment.
        (THUMB_INITIAL_ELIMINATION_OFFSET,
        ARM_INITIAL_ELIMINATION_OFFSET): Remove.
        (INITIAL_ELIMINATION_OFFSET): Call functions directly.
        * config/arm/arm.md (align_8): Enable for all targets.
        * config/arm/netbsd-elf.h (TARGET_DEFAULT): Remove TARGET_ATPCS.
        (ARM_DEFAULT_ABI): Define.
        * doc/invoke.texi <ARM>: Document -mabi=. Update documentation for
        -mstructure-size-boundary.

2004-03-24  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.ac: Check for -Wno-variadic-macros; don't use
        -pedantic (in stage 1 or a simple 'make all') unless it's available,
        and if it's available, use it.  Also, clean up check for
        -Wno-long-long.
        * configure: Regenerate.

2004-03-24  Richard Sandiford  <rsandifo@redhat.com>

        * config.gcc (mips64vr-*-elf*, mips64vrel-*-elf*): Remove tm_defines.
        * config/mips/vr.h (DEFAULT_VR_ARCH): New macro, defined to vr4130.
        (MULTILIB_DEFAULTS): Use it.
        (MIPS_CPU_STRING_DEFAULT): Remove.
        (MIPS_ABI_DEFAULT, MIPS_MARCH_CONTROLS_SOFT_FLOAT): Define.
        (DRIVER_SELF_SPECS): Make -mfix-vr4122-bugs imply -march=vr4120.  Make
        EABI64 -mlong32 the default ABI.  Enforce the default architecture.
        * config/mips/t-vr (MULTILIB_OPTIONS): Add mfix-vr4122-bugs,
        march=vr4130, march=vr4300, march=vr5000 and march=vr5500.
        (MULTILIB_MATCHES): Use -mfix-vr4122-bugs multilibs for -march=vr4120.
        (MULTILIB_EXCEPTIONS): Change choice of multilibs.  Update comments
        accordingly.

2004-03-24  DJ Delorie  <dj@redhat.com>
            Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (MASK_FIX_VR4122, TARGET_FIX_VR4122): New macros.
        (TARGET_SWITCHES): Add -mfix-vr4122-bugs and -mno-fix-vr4122-bugs.
        (ASM_SPEC): Pass down -mfix-vr4122-bugs.
        * config/mips/mips.c (mips_avoid_hazards): Don't emit whole functions
        in .set noreorder and .set nomacro if TARGET_FIX_VR4122.
        (mips_init_libfuncs): Use special functions for divsi3 and modsi3
        if TARGET_FIX_VR4122.
        * config/mips/mips.md (define_attr length): Account for nops inserted
        after macc and dmult when using -mfix-vr4122-bugs.
        (umuldi3_highpart, divmodsi4, divmoddi4): Disable if TARGET_FIX_VR4122.
        * config/mips/t-vr (LIB2FUNCS_STATIC_EXTRA): Define instead of
        LIB2FUNCS_EXTRA.  Add config/mips/vr4122-div.S.
        * config/mips/vr4122-div.S: New file.
        * doc/invoke.texi: Document -mfix-vr4122-bugs.

2004-03-24  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (PROCESSOR_R4130): New processor_type.
        (TARGET_MIPS4130): New macro.
        (ISA_HAS_MACC): Return true if TARGET_MIPS4130 && !TARGET_MIPS16.
        * config/mips/mips.c (mips_cpu_info_table): Add a vr4130 entry.
        (override_options): Extend MIPS_MARCH_CONTROLS_SOFT_FLOAT to deal
        with PROCESSOR_R4130.
        * config/mips/mips.md (define_attr cpu): Add r4130.
        * doc/invoke.texi: Document vr4130 as a supported MIPS architecture.

2004-03-24  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>
            Richard Sandiford  <rsandifo@redhat.com>

        * doc/invoke.texi: Apply missed hunk from 2004-03-03 change.

2004-03-24  Alexandre Oliva  <aoliva@redhat.com>

        PR preprocessor/14438
        * cpplib.c (do_pragma): Remove line_change call after pragma
        handler.

2004-03-23  Ian Lance Taylor  <ian@wasabisystems.com>

        * doc/extend.texi (ARM Built-in Functions): Replace with correct
        declarations.

2004-03-23  Roger Sayle  <roger@eyesopen.com>

        * reg-stack.c (get_true_reg): Handle FLOAT_TRUNCATE like FLOAT_EXTEND
        if flag_unsafe_math_optimizations.
        * config/i386/i386.md (truncdfsf2): If flag_unsafe_math_optimizations
        and TARGET_80387 expand using truncdfsf2_noop pattern.
        (truncxfsf2): Likewise using truncxfsf2_noop.
        (truncxfdf2): Likewise using truncxfdf2_noop.
        (truncdfsf2_noop, truncxfsf2_noop, truncxfdf2_noop): New patterns.

2004-03-23  Ziemowit Laski  <zlaski@apple.com>

        * hooks.c (hook_constcharptr_tree_null): New hook.
        * hooks.h (hook_constcharptr_tree_null): New prototype.
        * target-def.h (TARGET_MANGLE_FUNDAMENTAL_TYPE): New target hook.
        * target.h (mangle_fundamental_type): New target hook.
        * config/rs6000/rs6000.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Point
        target hook at rs6000_mangle_fundamental_type.
        (rs6000_mangle_fundamental_type): New function.
        * doc/tm.texi (TARGET_MANGLE_FUNDAMENTAL_TYPE): Document.

2004-03-23  Zack Weinberg  <zack@codesourcery.com>

        PR 12267, 12391, 12560, 13129, 14114, 14133
        * c-tree.h: Forward declare struct c_binding.  Declare
        c_override_bindings_to_false.  Update prototypes.
        (struct lang_identifier): Update comments.  Change fields to be
        struct c_binding *.
        (IDENTIFIER_SYMBOL_VALUE, IDENTIFIER_TAG_VALUE)
        (IDENTIFIER_LABEL_VALUE, C_DECL_INVISIBLE)
        (KEEP_NO, KEEP_YES, KEEP_MAYBE): Delete.
        (C_DECL_IN_EXTERNAL_SCOPE, C_DECL_DECLARED_BUILTIN): New.
        * c-common.h: Update prototypes.
        * c-decl.c (struct c_scope): Update commentary.  Remove names,
        names_last, parms, parms_last, tags, and shadowed fields.  Add
        bindings and depth fields.
        (scope_freelist): Move to more appropriate location.
        (c_print_identifier): Update for changes to struct lang_identifier.
        (objc_mark_locals_volatile): Update for new bindings structures.
        (global_bindings_p): Honor c_override_global_bindings_to_false.
        (pushlevel): Rename to push_scope; take no arguments; use the
        scope_freelist; initialize scope->depth and check for overflow.
        (poplevel): Rename to pop_scope; totally rewritten for new bindings
        structures.
        (diagnose_mismatched_decls): Use C_DECL_DECLARED_BUILTIN, not
        C_DECL_INVISIBLE, for certain decisions.  Adjust some diagnostics.
        Improve some commentary.  Adjust handling of forward parm decls.
        (merge_decls): Set C_DECL_DECLARED_BUILTIN when appropriate.
        Preserve C_DECL_IN_EXTERNAL_SCOPE.
        (warn_if_shadowing): Correct indentation.  Improve diagnostics.
        (pushdecl): Remove unnecessary assertion.  Short-circuit anonymous
        decls.  Rewrite for new bindings structures.  Improve commentary.
        Eliminate the copy_node call.
        (implicit_decl_warning): Use the "diag" idiom (as seen in
        locate_old_decl) to reduce code duplication; call locate_old_decl
        if appropriate.  Relocate to remove need for forward declaration.
        (implicitly_declare): Adjust for new bindings structures.  Kludge
        around Objective-C not-really-builtin functions.
        (undeclared_variable): Improve diagnostics.  If current_function_decl
        is nonnull but current_function_scope is null, use current_scope.
        Use bind.
        (lookup_tag): Adjust for new bindings structures.  Kludge around
        Objective-C's tag declarations that wind up in the external scope.
        (lookup_name): Adjust for new bindings structures.  Kludge around
        c-common.c's pseudo-typedefs that wind up in the external scope.
        (lookup_name_current_level): Rename lookup_name_in_scope; take a
        second argument indicating the scope to examine; rewrite for
        new bindings structures.
        (c_init_decl_processing): Adjust for renamed functions.  Do not
        initialize current_file_decl, first_builtin_decl, last_builtin_decl.
        First scope pushed is the external scope, not the global scope.
        (builtin_function): Use bind, not pushdecl.  Adjust other bits
        for new data structures.  Keep track of builtins that should be
        made visible automatically.
        (start_decl): Adjust diagnostics.  Remove unnecessary call to
        expand_decl.
        (grokparms): Return 0 if arg_types is error_mark_node.
        (get_parm_info): Rename "void_at_end" argument to "ellipsis", with
        reversed sense.  Rewrite for new bindings structures.  Do not
        leave any decls in the scope, to prevent pop_scope from doing
        contradictory things with them.
        (finish_struct, finish_enum): Remove redundant diagnostics.
        (build_enumerator): Don't cascade diagnostics for error_mark_node.
        Mark location where -pedantic changes the meaning of the program.
        (store_parm_decls_newstyle, store_parm_decls_oldstyle): Load the
        parameter decls into the function's scope structure using bind.
        Warn here about function definitions in the wrong style.
        Adjust diagnostics.
        (store_parm_decls): Correct the determination of whether a
        function was defined with a prototype.
        (c_write_global_declarations): Operate on all file decls and on
        the external scope.  Split body of the loop to...
        (c_write_global_declarations_1): ... this new function, to avoid
        code duplication.
        (truly_local_externals, first_builtin_decl, last_builtin_decl)
        (make_scope, pop_scope, in_parm_level_p, set_block)
        (any_external_decl, record_external_decl, bind_label, getdecls)
        (link_hash_hash, link_hash_eq, merge_translation_unit_decls)
        (c_reset_state): Delete.
        (visible_builtins, c_override_global_bindings_to_false)
        (c_binding, I_SYMBOL_BINDING, I_SYMBOL_DECL, I_TAG_BINDING)
        (I_TAG_DECL, I_LABEL_BINDING, I_LABEL_DECL, file_scope)
        (external_scope, binding_freelist, bind, free_binding_and_advance)
        (push_file_scope, pop_file_scope): New.
        (pushtag, pushdecl_top_level, lookup_label, declare_label)
        (define_label, c_make_fname_decl, finish_decl)
        (mark_forward_parm_decls, build_compound_literal)
        (grokdeclarator, start_function, check_for_loop_decls)
        (identifier_global_value, record_builtin_type): Minor adjustments
        for new bindings structures.  Improve diagnostics and commentary.
        * c-objc-common.c (start_cdtor, finish_cdtor): Adjust calls to
        pushlevel/poplevel respectively.
        (c_objc_common_finish_file): Don't call merge_translation_unit_decls.
        * c-opts.c (c_common_parse_file): Remove spurious ATTRIBUTE_UNUSED.
        Warn about YYDEBUG not being defined only if -dy.  Remove no-longer-
        correct loop over multiple translation units; call fatal_error if
        requested to compile more than one file at once.  (This disables
        IMA temporarily - an up-front error being preferable to a crash.)
        * c-parse.in (pushlevel, poplevel rules): Rename push_scope, pop_scope.
        (all actions): Adjust calls to pushlevel/poplevel.
        (parsing_iso_function_signature): Delete.
        (extdef_1): Fold into extdef.
        (old_style_parm_decls_1): Fold into old_style_parm_decls.  Don't
        warn here about function definitions in the wrong style.
        (after_tyle_declarator, parm_declarator_starttypename)
        (parm_declarator_nostarttypename, notype_declarator): Remove
        commented-out productions.
        (parmlist_1, parmlist_2): Use make_node, not tree_cons, to create
        an empty TREE_LIST node.  Adjust calls to get_parm_info.
        (parmlist_2 : ELLIPSIS): Tag the arg-info block with error_mark_node
        to suppress -Wold-style-definition after this error.
        (c_parse_file): Don't clear the binding stack or call
        finish_fname_decls here.  Correct comment.
        * c-typeck.c (same_translation_unit_p): Export.
        (common_type): Use c_override_global_bindings_to_false, not
        pushlevel/poplevel/declare_parm_level.
        * c-lang.c: Override LANG_HOOKS_CLEAR_BINDING_STACK,
        LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK,
        and LANG_HOOKS_GETDECLS with do-nothing stubs.
        * objc/objc-lang.c: Likewise.
        * objc/objc-act.c: Adjust all calls to pushlevel, poplevel,
        get_parm_info.
        (OBJC_VOID_AT_END): Delete; replace all uses
        with void_list_node.
        (generate_forward_declaration_to_string_table): Delete.
        * objc/objc-act.h (OCTI_STRG_DECL, UOBJC_STRINGS_decl): Delete.

        * coverage.c (create_coverage): Don't pushdecl anything.
        * langhooks.c (lhd_clear_binding_stack): Call
        lang_hooks.decls.poplevel, not poplevel.
        * tree.c (list_length): If ENABLE_TREE_CHECKING, abort on a
        circular list rather than going into an infinite loop.

2004-03-23  Olivier Hainque  <hainque@act-europe.fr>

        * optabs.c (expand_binop): When synthesizing double word rotates
        from single word shifts, use a new register target if the provided
        target is not a REG already.

2004-03-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * alias.c (get_alias_set): Add support for TYPE_REF_CAN_ALIAS_ALL.
        * c-common.c (handle_mode_attribute): Add extra arg to
        build_pointer_type_for_mode and build_reference_type_for_mode.
        * c-typeck.c (build_c_cast): Only look at TREE_CONSTANT_OVERFLOW
        for INTEGER_CST.
        * tree.c (build_pointer_type_for_mode): Add arg CAN_ALIAS_ALL.
        Chain pointers via TYPE_NEXT_PTR_TO.
        (build_reference_type_for_mode): Similarly.
        (build_type_no_quals): Add extra arg to build_pointer_type_for_mode
        and build_reference_type_for_mode.
        (tree_check4_failed): New function.
        * tree.h (TREE_CHECK4, PTR_OR_REF_CHECK): New macros.
        (TYPE_REF_CAN_ALIAS_ALL, TYPE_NEXT_PTR_TO, TYPE_NEXT_REF_TO): Likewise.
        (TREE_NO_UNSUED_WARNING, TREE_VIA_VIRTUAL, TREE_CONSTANT_OVERFLOW):
        Add check.

2004-03-23  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (tree_expr_nonnegative_p): A&B is nonnegative when
        A is nonnegative or B is nonnegative.  Similarly A|B is nonnegative
        when both A and B are nonnegative.
        (tree_expr_nonzero_p): A|B is nonzero when A is nonzero or B is
        nonzero.

2004-03-23  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold): Remove cases for INTEGER_CST, REAL_CST,
        VECTOR_CST, STRING_CST, COMPLEX_CST, and CONSTRUCTOR.

2004-03-23  Kazu Hirata  <kazu@cs.umass.edu>

        PR optimization/14669
        * fold-const.c (fold): Only unwiden integer comparisons for equality
        and inequality operators, or when the signedness doesn't change.

2004-03-23  Jakub Jelinek  <jakub@redhat.com>

        * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
        * config/sparc/t-linux64 (TARGET_LIBGCC2_CFLAGS): Set.
        * config/sparc/t-linux: New file.

2004-03-23  Richard Sandiford  <rsandifo@redhat.com>

        * gcse.c (can_assign_to_reg_p): New function, split out from...
        (want_to_gcse_p): ...here.
        (compute_ld_motion_mems): Use can_assign_to_reg_p to validate
        the rhs of a store.

2004-03-22  Diego Novillo  <dnovillo@redhat.com>

        * c-typeck.c (same_translation_unit_p): Fix pasto.

2004-03-22  David Edelsohn  <edelsohn@gnu.org>

        * params.def (PARAM_MAX_SCHED_REGION_BLOCKS): New.
        (PARAM_MAX_SCHED_REGION_INSNS): New.
        * sched-rgn.c: Include params.h
        (MAX_RGN_BLOCKS): Delete.
        (MAX_RGN_INSNS): Delete.
        (too_large): Return bool.  Convert to PARAM_VALUE.
        * Makefile.in (sched-rgn.o): Depend on $(PARAMS_H).
        * doc/invoke.texi (param): Document max-sched-region-blocks and
        max-sched-region-insns.

2004-03-22  Joel Brobecker  <brobecker@gnat.com>

        * dwarf2out.c (is_subrange_type): Do not emit a subrange_type DIE
        for base types.

2004-03-22  Joel Brobecker  <brobecker@gnat.com>

        * dwarf2out.c (is_subrange_type): Minor code rework. No behavior
        change.

2004-03-22  Jakub Jelinek  <jakub@redhat.com>

        PR c/14069
        * c-decl.c (finish_struct): Change type of incorrect flexible array
        field into error_mark_node.

2004-03-22  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/14580
        * config/rs6000/rs6000.c (symbol_ref_operand): Reject symbols
        who are not local for Darwin PIC.

2004-03-22  Ulrich Weigand  <uweigand@de.ibm.com>

        * regrename.c (regrename_optimize): Set regs_ever_live for all
        registers introduced as replacement.

2004-03-22  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/14470
        * expr.c (mark_queue): New function.
        (emit_insns_enqueued_after_mark): New function replacing
        emit_queue.  Clear the body of emitted queued insns.
        (emit_queue): Call emit_insns_enqueued_after_mark.
        (store_expr): Mark the increment queue on entry.  Emit
        only the incrementations queued when expanding the source.

2004-03-22  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.ac: Allow --disable-coverage-flags (for the future benefit
        of top level bootstrap, and consistency).  Reindent.
        * configure: Regenerate.

2004-03-21  Kazu Hirata  <kazu@cs.umass.edu>

        * bt-load.c, builtins.c, cfghooks.c, cfgrtl.c, gcse.c,
        ggc-page.c, integrate.c, var-tracking.c, web.c: Remove
        unnecessary casts.

2004-03-22  Danny Smith  <dannysmith@users.sourceforge.net>

        PR target/14291
        * gcov-io.h (gcov_truncate): Define ftruncate as _chsize for
        __MINGW32__.

2004-03-21  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("*doloop_si"): Change predicate for operand 2
        to nonimmediate_operand.
        ("*doloop_di"): Likewise.

2004-03-21  Alexandre Oliva  <aoliva@redhat.com>

        * real.h (struct real_value): Use the same type for all
        bitfields.  Rename exp to uexp.
        (REAL_EXP, SET_REAL_EXP): New accessor macros for uexp.
        Adjust all uses of exp...
        * builtins.c: ... here, ...
        * emit-rtl.c: ... here, and ...
        * real.c: ... and here.

2004-03-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * pretty-print.c (pp_base_maybe_space): New function.
        * pretty-print.h (pp_base_maybe_space): Declare.
        (pp_maybe_space): New macro.

2004-03-21  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("addti3", "subti3"): New insns and splitters.

2004-03-21  Ulrich Weigand  <uweigand@de.ibm.com>

        * expmed.c (choose_mult_variant): Pass MULT_COST as argument instead
        of using register multiplication cost.
        (expand_mult): Adapt choose_mult_variant call.
        (expand_mult_highpart): Call choose_mult_variant with WIDER_MODE
        of MODE; pass appropriate cost bound.  Adjust result when
        performing signed multiplication by a negative constant.
        Don't use intermediate modes larger than word_mode.

2004-03-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * alias.c (get_alias_set): Remove handling of PLACEHOLDER_EXPR.
        * emit-rtl.c (component_ref_for_mem_expr): Likewise.
        (set_mem_attributes_minus_bitpos): Call SUBSTITUTE_PLACEHOLDER_IN_EXPR.
        * explow.c (expr_size): Likewise.
        * expr.h (placeholder_list, find_placeholder): Deleted.
        * expr.c (store_constructor): Likewise.
        (get_inner_reference): Likewise.  Also don't call find_placeholder.
        (placeholder_list, find_placeholder): Deleted.
        (is_aligning_offset): Don't handle WITH_RECORD_EXPR, PLACEHOLDER_EXPR.
        (expand_expr_real, cases PLACEHOLDER_EXPR, WITH_RECORD_EXPR): Likewise.
        (highest_pow2_factor, case WITH_RECORD_EXPR): Remove.
        * dojump.c (do_jump, case WITH_RECORD_EXPR): Likewise.
        * dwarf2out.c (loc_descriptor_from_tree, case WITH_RECORD_EXPR):
        Likewise.
        * fold-const.c (invert_truthvalue, case WITH_RECORD_EXPR): Likewise.
        (extract_muldiv, case WITH_RECORD_EXPR): Likewise.
        * tree.c (expr_align, case WITH_RECORD_EXPR): Likewise.
        (contains_placeholder_p): Don't handle WITH_RECORD_EXPR.
        Clean up by using first_rtl_op.
        (substitute_in_expr): Use SUBSTITUTE_IN_EXPR for recursive call.
        (substitute_placeholder_in_expr): New function.
        * tree.def (WITH_RECORD_EXPR): Deleted.
        * tree.h (SUBSTITUTE_IN_EXPR, SUBSTITUTE_PLACEHOLDER_IN_EXPR): New.
        (substitute_placeholder_in_expr): New.

2004-03-21  Andrew Pinski  <pinskia@gcc.gnu.org>

        * dojump.c (prefer_and_bit_test): Fix which part of
        the and_test is replaced.

2004-03-21  Joseph S. Myers  <jsm@polyomino.org.uk>

        * frontends.texi: Add missing line.

2004-03-21  Zack Weinberg  <zack@codesourcery.com>
            Chris Devers  <cdevers@pobox.com>
            Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/frontends.texi: Rewrite.
        * doc/gcc.texi: Update last modification date.

2004-03-21  Josef Zlomek  <zlomekj@suse.cz>

        * cfgrtl.c (cfg_layout_redirect_edge_and_branch): Print the debug
        message before redirecting the edge.

2004-03-20  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * emit-rtl.c (set_mem_attributes_minus_bitpos): Set MEM_POINTER
        flag.
        * explow.c (force_not_mem): Set REG_POINTER flag according to
        MEM_POINTER one.
        * rtl.h (MEM_POINTER): New macro.
        (struct rtx_def): Use integrated for MEM_SCALAR_P and frame_related
        for MEM_POINTER.

2004-03-20  Roger Sayle  <roger@eyesopen.com>

        PR target/13889
        * cse.c (fold_rtx): Avoid substituting constants into unary
        conversion operations.

2004-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold): Replace "expr" with "t".

2004-03-20  Ian Lance Taylor  <ian@wasabisystems.com>

        PR c/12373
        * c-typeck.c (tagged_types_tu_compatible_p): Don't use
        DECL_ORIGINAL_TYPE if there isn't one.

2004-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold): Replace "final_type" with "type".
        Remove variable "final_type".

2004-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold): Constify "type".
        Replace "TREE_TYPE (t)" with "type".

2004-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * bb-reorder.c, bt-load.c, c-decl.c, cfgcleanup.c, coverage.c,
        dwarf2asm.c, ifcvt.c, stor-layout.c, varasm.c: Replace calls
        via (*targetm.foo) () with targetm.foo ().

2004-03-20  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR other/14630
        * doc/install.texi: Add info directory category and entry.

2004-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold): Replace "t" with "tem" where it is used
        as a temporary variable.  Remove "orig_t" and all of its uses.

2004-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold): Remove variable "invert".
        Move the handling of relational expressions that can be folded
        to a constant ...
        (fold_relational_const): ... here.
        (tree_expr_nonzero_p): New.

2004-03-20  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/14635
        * builtins.def (nan, nanf, nanl, nans, nansf, nansl): Change to
        DEF_GCC_BUILTIN.

2004-03-20  Richard Sandiford  <rsandifo@redhat.com>

        * Makefile.in (dojump.o): Depend on $(GGC_H) and dojump.h.
        (GTFILES): Add $(srcdir)/dojump.h.
        (gt-dojump.h): New dependency.
        * dojump.c (and_reg, and_test, shift_test): New static variables.
        (prefer_and_bit_test): New function.
        (do_jump): Use it to choose between (X & (1 << C)) and (X >> C) & 1.

2004-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * c-common.c, cfgcleanup.c, cgraphunit.c, c-pretty-print.c,
        expmed.c, ggc-common.c, jump.c, passes.c, recog.c, regmove.c,
        reorg.c, tree.h: Fix comment typos.

2004-03-19  Kazu Hirata  <kazu@cs.umass.edu>

        * alias.c, attribs.c, bt-load.c, builtins.c, c-common.c,
        c-decl.c, c-objc-common.c, c-typeck.c, calls.c, cfglayout.c,
        cse.c, dbxout.c, dwarf2out.c, except.c, final.c,
        haifa-sched.c, integrate.c, passes.c, rtlanal.c, sched-rgn.c,
        sched-vis.c, simplify-rtx.c, stor-layout.c, tree.c, varasm.c,
        vmsdbgout.c: Replace calls via (*targetm.foo) () with
        targetm.foo ().

2004-03-19  Ziemowit Laski  <zlaski@apple.com>

        * config/rs6000/altivec.h (vec_dst, vec_dstst, vec_dststt,
        vec_dstt, vec_sld, vec_splat): Add prototypes, marked with
        always_inline attribute.
        * config/rs6000/rs6000.c (altivec_expand_dst_builtin):
        Treat expansion as completed even if literal argument is
        invalid (so that other expansions are not tried in vain).

2004-03-19  Kazu Hirata  <kazu@cs.umass.edu>

        * loop-doloop.c (add_test): Replace GEN_INT (0) with
        const0_rtx.

2004-03-19  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold) <ABS_EXPR>: Move the handling of constants
        ...
        (fold_abs_const): ... here.

2004-03-19  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree.h (TYPE_ARRAY_MAX_SIZE): Use type.maxval directly.

2004-03-19  Denis Chertykov  <denisc@overta.ru>

        PR target/11520
        * config/avr/avr.md ("call_insn"): Handle explicit integer
        specially.
        (call_value_insn): Likewise.

2004-03-19  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree.c (substitute_in_expr): Rewrite to simplify and be more generic.

2004-03-19  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (negate_expr): Move the handling of constants
        ...
        (fold_negate_const): ... here.

2004-03-19  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * langhooks-def.h (LANG_HOOKS_HASH_TYPES): New macro and hook.
        * langhooks.h (struct lang_hooks_for_types): New field hash_types.
        * tree.c (debug_no_type_hash): Deleted.
        (type_hash_canon): Abort if passed a variant.
        Check lang_hooks.types.hash_types.
        (build_type_no_quals): Copy mode of POINTER_TYPE and REFERENCE_TYPE.
        (build_array_type): Remove unnecessary allocation of pointer type.
        (build_complex_type): Properly qualify resulting type.

2004-03-19  Paolo Bonzini  <bonzini@gnu.org>

        * config/rs6000/rs6000.c (rs6000_init_builtins): Fix typo.

2004-03-19  Richard Sandiford  <rsandifo@redhat.com>

        * expmed.c (choose_mult_variant, expand_mult_const): New, split from...
        (expand_mult): ...here.
        (extract_high_half): New, split out from expand_mult_highpart.
        (expand_highpart_optab): Likewise.  Don't clobber target prematurely.
        (expand_highpart): Evaluate the cost of a shift/add sequence,
        then see if any of the specialized optabs are cheaper.

2004-03-18  Ian Lance Taylor  <ian@wasabisystems.com>

        * mklibgcc.in: Remove obsolete MAYBE_USE_COLLECT2.

2004-03-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * convert.c (convert_to_real): Add more math builtins.

2004-03-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * convert.c (convert_to_real): Reformat using switch stmt.

2004-03-18  Mark Mitchell  <mark@codesourcery.com>

        * c-common.c (pointer_int_sum): Do not complain about using
        pointers to pointers-to-members.

2004-03-18  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (MD_ASM_CLOBBERS): Move to "Old target macros that
        have moved to the target hooks structure".

2004-03-18  James E Wilson  <wilson@specifixinc.com>

        * config/mips/mips.md (type): Split move into arith and fmove.  Split
        hilo into mthilo and mfhilo.  Add trap.  Delete icmp.  Fix all uses.
        * config/mips/5400.md (ir_vr54_hilo, ir_vr54_arith, ir_vr54_fabs):
        Likewise.
        * config/mips/5500.md (ir_vr55_hilo, ir_vr55_arith, ir_vr55_fabs):
        Likewise.
        * config/mips/7000.md (rm7_int_other, rm7_mthilo, rm7_mfhilo,
        rm7_fp_quick): Likewise.
        * config/mips/9000.md (rm9k_int, rm9k_mfhilo, rm9k_mthilo,
        rm9k_fquick): Likewise.
        * config/mips/sr71k.md (ir_sr70_hilo, ir_sr70_arith, ir_sr70_fabs):
        Likewise.
        (ir_sr70_icmp): Delete.

2004-03-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree.h (TREE_CHECK2, TREE_CHECK3, TREE_CHECK5): New macros.
        (tree_check2_failed, tree_check3_failed, tree_check5_failed): New decl.
        (FUNC_OR_METHOD_CHECK, SET_ARRAY_OR_VECTOR_CHECK): New macros.
        (REC_OR_UNION_CHECK, NUMERICAL_TYPE_CHECK): Likewise.
        (TYPE_VALUES, TYPE_DOMAIN, TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD):
        Protect with proper check.
        (TYPE_ARG_TYPES, TYPE_METHOD_BASETYPE, TYPE_OFFSET_BASETYPE): Likewise.
        (TYPE_MIN_VALUE, TYPE_MAX_VALUE): Likewise.
        * tree.c (type_hash_eq): Rewrite to access proper fields for each type.
        (tree_check2_failed, tree_check3_failed, tree_check5_failed): New.
        * c-typeck.c (build_array_ref): Use TYPE_DOMAIN, not TYPE_VALUES.
        * dwarf2out.c (gen_enumeration_type_die): Use TYPE_VALUES,
        not TYPE_FIELDS.
        * stor-layout.c (set_sizetype): Use TYPE_ORIG_SIZE_TYPE.

2004-03-18  Mostafa Hagog  <mustafa@il.ibm.com>

        * gcse.c (eliminate_partially_redundant_loads): Reject change if
        dest is set between beginning and current insn.

2004-03-18  Mark Mitchell  <mark@codesourcery.com>

        * c-decl.c (grokdeclarator): Do not complain about redeclaring
        visible "static" identifiers "extern" in a local scope.
        * dwarf2out.c (loc_descriptor_from_tree): Handle pre- and
        post-increments/decrements.

2004-03-18  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (current_function_arg_words): Delete.
        (xtensa_builtin_saveregs): Use current_function_args_info.arg_words.
        (xtensa_va_start): Remove assignment to current_function_arg_words.

2004-03-18  Richard Sandiford  <rsandifo@redhat.com>

        * alias.c (record_set): Detect the case where a register is assigned
        a new value that has the same base term as the old one.

2004-03-18  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * doloop.c: Removed.
        * loop-doloop.c: New file.
        * Makefile.in (doloop.o): Remove.
        (loop-doloop.o): New.
        * cfgloop.h (get_loop_level, doloop_optimize_loops): Declare.
        * cfgloopanal.c (get_loop_level): New function.
        * loop-iv.c (iv_number_of_iterations): Handle case when loop
        is leaved immediatelly.
        * loop.c (strength_reduce): Do not call doloop optimization.
        * loop.h (LOOP_BCT): Removed.
        * passes.c (rest_of_handle_loop_optimize): Do not use LOOP_BCT.
        (rest_of_handle_loop2): Call doloop_optimize_loops.
        (rest_of_compilation): Test for optimizations moved to
        rest_of_handle_loop2.

2004-03-17  Fariborz Jahanian <fjahanian@apple.com>

        * config/rs6000/rs6000.c (rs6000_stack_info): correct reg_size
        for mixed mode.
        (rs6000_emit_prologue): Ditto.
        (rs6000_emit_epilogue): Ditto.
        * config/rs6000/rs6000.h: Definition of DWARF_CIE_DATA_ALIGNMENT
        macro for mixed mode.

2004-03-18  Jan Hubicka  <jh@suse.cz>

        * predict.c (propagate_freq): Compute correctly frequency of
        EXIT_BLOCK.

2004-03-17  Eric Christopher  <echristo@redhat.com>

        * builtins.c (apply_args_size): Use reg_raw_mode.
        (apply_result_size): Ditto.

2004-03-17  Ralf Corsepius <corsepiu@faw.uni-ulm.de>

        PR target/14620
        * config/rtems.h: Add STD_LIB_SPEC and LIB_SPEC.

2004-03-17  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/t-linux64 (bispecs): Don't add -mlong-double-128 for
        32-bit builds when defaulting to 32-bit.

2004-03-17  Jan Hubicka  <jh@suse.cz>

        * cfgrtl.c (rtl_create_basic_block): Pre-allocate basic_block_info
        array.

2004-03-17  James E Wilson  <wilson@specifixinc.com>

        * config/mips/mips.md (zero_extendsidi2): Add length attribute.
        (hazard_nop): Change type to nop.
        (type): Split arith into arith, shift, slt, clz.  Delete darith.
        Fix all uses.  Change arith to multi if more than one insn emitted.
        * config/mips/5400.md (ir_vr54_arith): Likewise.
        * config/mips/5500.md (ir_vr55_arith): Likewise.
        * config/mips/7000.md (rm7_int_other): Likewise.
        * config/mips/9000.md (rm9k_int): Likewise.
        * config/mips/sr71k.md (ir_sr70_arith): Likewise.

2004-03-17  Joel Brobecker  <brobecker@gnat.com>

        * dwarf2out.c (subrange_type_die): Define new variable "subtype"
        to hold the subtype tree instead of recomputing it several times.

2004-03-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mn10300/mn10300.c (notice_update_cc): Don't handle
        CC_INVERT.
        * config/mn10300/mn10300.md (cc): Remove "invert".

2004-03-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (integer_valued_real_p): Add builtin rint.
        (fold_builtin): Likewise.
        * convert.c (convert_to_real): Likewise.

        * convert.c (convert_to_real): Fix typos in `long double'
        builtins.

2004-03-16  Mark Mitchell  <mark@codesourcery.com>

        PR c++/14481
        * fold-const.c (fold): Set TREE_NO_UNUSED_WARNING on implicitly
        generated COMPOUND_EXPRs.

2004-03-16  Ralf Corsepius <corsepiu@faw.uni-ulm.de>

        * config/h8300/t-rtems (h8300-*-rtems*): New.

2004-03-16  Eric Christopher  <echristo@redhat.com>

        * doc/cppopts.texi(fwide-exec-charset): Fix typo.

2004-03-16  Kazu Hirata  <kazu@cs.umass.edu>

        * config/i386/i386-protos.h: Add a prototype for
        ix86_reverse_condition.
        * config/i386/i386.c (ix86_reverse_condition): New.
        * config/i386/i386.h (REVERSE_CONDITION): Use
        ix86_reverse_condition.
        * config/i386/i386.md: Use ix86_reverse_condition instead of
        REVERSE_CONDITION.

2004-03-16  J. Brobecker  <brobecker@gnat.com>

        * dwarf2out.c (loc_descriptor_from_tree): Add handling for MIN_EXPR.

2004-03-16  Nathanael Nerode  <neroden@gcc.gnu.org>

        PR bootstrap/12974
        * Makefile.in: Pass $(INCLUDES) down to libgcc.mk explicitly.

2004-03-16  Paolo Bonzini  <bonzini@gnu.org>

        * c-common.c (c_common_type_for_mode): Build vector types on
        demand.
        (handle_mode_attribute): Deprecate using the mode attribute
        to create vector types.  Fix indentation.
        (vector_type_node_list): Remove.
        (handle_vector_size_attribute): Create vector types on demand.
        Strip a NON_LVALUE_EXPR from the attribute if there is one.
        * c-typeck.c (comptypes): Make vector types compatible if they
        have the same underlying mode.
        (convert_for_assignment): Use comptypes to convert between
        vector types.
        * tree.c (build_common_tree_nodes_2): Do not create vector types.
        * config/arm/arm.c (arm_init_iwmmxt_builtins): Create necessary
        vector types.
        * tree.h: Remove vector types.
        * config/i386/i386.c (i386_init_mmx_sse_builtins): Likewise.
        * config/rs6000/rs6000.c (rs6000_init_builtins): Likewise.
        (V16QI_type_node, V2SI_type_node, V2SF_type_node, V4HI_type_node,
        V4SI_type_node, V4SF_type_node, V8HI_type_node): New globals.
        * doc/extend.texi (Vector Types): Document how to use the
        vector_size attribute to create vectors, rather than mode.

        * config/arm/mmintrin.h: Use vector_size attribute, not mode.
        * config/i386/emmintrin.h: Likewise.
        * config/i386/mmintrin.h: Likewise.
        * config/i386/xmmintrin.h: Likewise.
        * config/sh/ushmedia.h: Likewise.

2004-03-16  Kazu Hirata  <kazu@cs.umass.edu>

        * config/freebsd-spec.h, config/arc/arc-protos.h,
        config/arm/aout.h, config/arm/elf.h, config/arm/freebsd.h,
        config/arm/linux-gas.h, config/arm/semi.h,
        config/cris/cris-protos.h, config/i386/xm-djgpp.h,
        config/ia64/freebsd.h, config/mips/7000.md,
        config/mips/9000.md, config/ns32k/ns32k-protos.h,
        config/sparc/pbd.h: Update copyright.

2004-03-16  Ralf Corsepius <corsepiu@faw.uni-ulm.de>

        PR target/14577
        * config.gcc: Switch sh-*-rtems* to ELF.  Add sh-*-rtemscoff.

2004-03-16  Paolo Bonzini  <bonzini@gnu.org>

        * combine.c (combine_simplify_rtx): Remove the "last"
        parameter and its documentation.  Adjust recursive calls.
        (simplify_logical): Always perform the only simplification
        controlled by "last", if the simplified expression is
        actually different.
        (try_combine): Do not pass the "last" parameter to
        combine_simplify_rtx.

2004-03-16  Richard Sandiford  <rsandifo@redhat.com>

        PR target/14599
        * config/mips/mips.md (UNSPEC_GP): New constant.
        * config/mips/mips.c (CONST_GP_P): Expect the CONST to contain
        an UNSPEC instead of (reg $gp).
        (mips16_gp_pseudo_reg): Change accordingly.
        (print_operand): Print $gp directly when handling CONST_GP_P.

2004-03-16  Richard Zidlicky  <rz@linux-m68k.org>

        * config.gcc, config/m68k/linux.h: Implement with-cpu for m68k-linux.
        * longlong.h: Make code 68060 clean when compiling for m68060.

2004-03-16  Richard Zidlicky  <rz@linux-m68k.org>

        * config/m68k/m68k.md: Fix constraints for bitfield instructions.
        * doc/md.texi: Clarify description of "i" constraint.

2004-03-15  James E Wilson  <wilson@specifixinc.com>

        * config/mips/mips.md (type): Split load into load, fpload, fpidxload.
        Split store into store, fpstore, fpidxstore.  Fix all uses.
        * config/mips/5400.md (ir_vr54_load, ir_vr54_store, ir_vr54_fstore):
        Likewise.
        * config/mips/5500.md (ir_vr55_load, i5_vr55_store): Likewise.
        * config/mips/7000.md (rm7_ld, rm7_st): Likewise.
        * config/mips/9000.md (rm9k_load, rm9k_store): Likewise.
        * config/mips/sr71k.md (ir_sr70_load, ir_sr70_store, ir_sr70_fload,
        ir_sr70_fstore): Likewise.

2004-03-15  Richard Henderson  <rth@redhat.com>

        PR middle-end/14535
        * except.c (collect_one_action_chain): Record action for cleanup
        outer of exception spec.

2004-03-15  Ian Lance Taylor  <ian@wasabisystems.com>

        * config/rs6000/host-darwin.c (darwin_rs6000_gt_pch_use_address):
        Fix the check for abort and only do the mmap if we can.

2004-03-15  Eric Botcazou  <ebotcazou@act-europe.fr>

        * config/sparc/sparc.h: Rework comments about the code model
        in 64-bit environment and the mode 'Pmode'.
        * doc/invoke.texi (SPARC options): Rework description of the
        different code models supported in 64-bit environment.

2004-03-15  Kazu Hirata  <kazu@cs.umass.edu>

        * defaults.h (REVERSIBLE_CC_MODE): Define.
        * jump.c (reversed_comparison_code_parts): Don't check if
        REVERSIBLE_CC_MODE is defined.

2004-03-15  Kazu Hirata  <kazu@cs.umass.edu>

        * c-incpath.c, c-incpath.h, c-pch.c, c.opt, cppexp.c,
        et-forest.h, genattr.c, ggc-none.c, hosthooks-def.h,
        hosthooks.h, params.h, ra-colorize.c, web.c,
        config/darwin-c.c, config/alpha/freebsd.h, config/arm/pe.c,
        config/avr/avr-protos.h, config/avr/avr.md,
        config/fr30/fr30-protos.h, config/fr30/fr30.md,
        config/h8300/fixunssfsi.c, config/i386/darwin.h,
        config/i386/freebsd.h, config/i386/freebsd64.h,
        config/ia64/hpux.h, config/ia64/unwind-ia64.c,
        config/ip2k/libgcc.S, config/m32r/xm-m32r.h,
        config/mmix/mmix-modes.def, config/ns32k/netbsd.h,
        config/ns32k/ns32k.md, config/pa/pa64-hpux.h,
        config/pa/pa64-regs.h, config/rs6000/aix41.h,
        config/rs6000/aix43.h, config/rs6000/host-darwin.c,
        config/sparc/aout.h, config/sparc/freebsd.h,
        config/sparc/litecoff.h, config/vax/vax-protos.h,
        doc/hostconfig.texi, doc/include/gcc-common.texi: Update
        copyright.

2004-03-15  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (thumb_expand_prologue): Tie prologue insns to fp.

2004-03-15  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-pretty-print.c (pp_c_semicolon): Fix formatting.
        (pp_c_cv_qualifier): Document.
        (pp_c_space_for_pointer_operator): Likewise.
        (pp_c_integer_constant): Likewise.
        (pp_c_identifier): Likewise.
        (pp_c_init_declarator): Don't print function body.

2004-03-14  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/contrib.texi, doc/extend.texi, doc/gcov.texi,
        doc/install.texi, doc/invoke.texi, doc/makefile.texi,
        doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi: Capitalize
        "gcc", "g++" and "g77" or mark up with appropriate markup.  Adjust
        wording and grammar.

2004-03-14  Roger Sayle  <roger@eyesopen.com>

        * alias.c (get_alias_set): Replace calls via (*lang_hooks.foo) ()
        with lang_hooks.foo ().
        * builtins.c (expand_builtin_va_arg): Likewise.
        * c-common.c (fname_as_string, c_common_truthvalue_conversion,
        c_common_type_for_mode, c_common_nodes_and_builtins,
        handle_mode_attribute, handle_vector_size_attribute): Likewise.
        * c-convert.c (convert): Likewise.
        * c-format.c (check_format_types): Likewise.
        * c-objc-common.c (c_tree_printer): Likewise.
        * c-typeck.c (build_unary_op, build_conditional_expr,
        build_binary_op): Likewise.
        * calls.c (try_to_integrate, expand_call,
        emit_library_call_value_1): Likewise.
        * cgraph.c (cgraph_node_name, cgraph_function_possibly_inlined_p):
        Likewise.
        * cgraphunit.c (record_call_1, cgraph_analyze_function,
        cgraph_expand_function): Likewise.
        * convert.c (convert_to_pointer, convert_to_integer): Likewise.
        * coverage.c (build_fn_info_type, build_ctr_info_type,
        build_gcov_info, create_coverage): Likewise.
        * dbxout.c (dbxout_init): Likewise.
        * diagnostic.c (diagnostic_report_current_function): Likewise.
        * dojump.c (do_jump): Likewise.
        * dwarf2out.c (dwarf2_name): Likewise.
        * except.c (init_eh): Likewise.
        * explow.c (expr_size, int_expr_size): Likewise.
        * expmed.c (make_tree, const_mult_add_overflow_p, expand_mult_add):
        Likewise.
        * expr.c (store_expr, store_constructor, safe_from_p,
        expand_expr_real, do_store_flag, try_casesi): Likewise.
        * function.c (push_function_context_to, pop_function_context_from,
        free_after_parsing, assign_stack_local_1, assign_stack_temp_for_type,
        put_var_into_stack, allocate_struct_function, current_function_name):
        Likewise.
        * integrate.c (copy_decl_for_inlining, expand_inline_function):
        Likewise.
        * langhooks.c (lhd_clear_binding_stack, write_global_declarations,
        lhd_print_error_function): Likewise.
        * opts.c (handle_option, decode_options): Likewise.
        * passes.c (open_dump_file): Likewise.
        * print-tree.c (print_node): Likewise.
        * stmt.c (expand_fixup, fixup_gotos, expand_asm_operands,
        expand_decl_cleanup, emit_case_nodes): Likewise.
        * stor-layout.c (variable_size): Likewise.
        * toplev.c (announce_function, wrapup_global_declarations,
        check_global_declarations, compile_file, default_tree_printer,
        process_options, lang_dependent_init, finalize): Likewise.
        * tree-dump.c (dequeue_and_dump): Likewise.
        * tree-inline.c (remap_decl, remap_block, copy_body_r,
        initialize_inlined_parameters, declare_return_variable,
        inlinable_function_p, expand_call_inline, optimize_inline_calls,
        walk_tree, copy_tree_r): Likewise.
        * tree-optimize.c (tree_rest_of_compilation): Likewise.
        * tree.c (decl_assembler_name, tree_size, size_in_bytes, staticp,
        unsafe_for_reeval, get_unwidened, get_narrower, get_callee_fndecl,
        variably_modified_type_p, dump_tree_statistics): Likewise.
        * varasm.c (assemble_variable, compare_constant, copy_constant,
        force_const_mem, compute_reloc_for_constant, output_constant,
        output_addressed_constants, initializer_constant_valid_p): Likewise.

2004-03-14  Kelley Cook  <kcook@gcc.gnu.org>

        * doc/install.texi: Make autoconf 2.13 the exception, not the rule.

2004-03-14  Andreas Tobler  <a.tobler@schweiz.ch>

        * doc/install.texi: Reflect autoconf and automake version for
        libffi. Update autoconf version to 2.59.

2004-03-13  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (negate_expr, operand_equal_for_comparison_p,
        optimize_bit_field_compare, decode_field_reference, all_ones_mask_p,
        make_range, build_range_check, fold_range_test, unextend,
        constant_boolean_node, fold_binary_op_with_conditional_arg,
        fold_truthop, fold_mathfn_compare, fold_inf_compare,
        fold_single_bit_test, fold): Replace calls via (*lang_hooks.foo) ()
        with lang_hooks.foo ().

2004-03-14  Richard Earnshaw  <rearnsha@arm.com>

        * arm.h (EXTRA_CONSTRAINT_STR_ARM): Update comment.

2004-03-13  Dara Hazeghi  <dhazeghi@yahoo.com>

        * doc/install.texi: Note status of -fnew-ra.

2004-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/14470
        * expr.c (store_expr): Call emit_queue before generating the move
        from the temporary to the original target.  Protect the temporary
        from emit_queue.

2004-03-13  Jakub Jelinek  <jakub@redhat.com>

        PR target/14533
        * config/s390/s390.c (legitimize_pic_address): Don't abort on UNSPEC
        other than UNSPEC_GOTOFF.

2004-03-13  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_legitimate_address_p): New argument, OUTER.  Pass through
        to arm_legitimate_index_p.  Update all callers with SET as default
        value.
        (arm_legitimate_index_p): New argument, OUTER.  Restrict the index
        range if OUTER is a sign-extend operation on QImode.  Correctly
        reject shift operations on sign-extended QImode addresses.
        (bad_signed_byte_operand): Delete.
        (arm_extendqisi_mem_op): New function.
        * arm.h (EXTRA_CONSTRAINT_ARM): Delete.  Replace with...
        (EXTRA_CONSTRAINT_STR_ARM): ... this.  Handle extended address
        constraints.
        (CONSTRAINT_LEN): New.
        (EXTRA_CONSTRAINT): Delete.  Replace with...
        (EXTRA_CONSTRAINT_STR): ... this.
        (PREDICATE_CODES): Remove bad_signed_byte_operand.
        * arm.md (extendqihi_insn): Use new constraint Uq.  Rework.  Length
        is now always default.
        (define_splits for bad sign-extend loads): Delete.
        (arm_extendqisi, arm_extendqisi_v5): Likewise.
        * arm/vfp.md (arm_movsi_vfp, arm_movdi_vfp, movsf_vfp, movdf_vfp):
        Rework 'U' constraint to 'Uv'.
        * arm-protos.h: Remove bad_signed_byte_operand.  Add
        arm_extendqisi_mem_op.
        * doc/md.texi (ARM constraints): Rename VFP constraint (now Uv).
        Add Uq constraint.

2004-03-13  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_va_arg): Replace SPLIT_COMPLEX_ARGS
        with targetm version.

        PR target/14567
        * config/rs6000/rs6000.h (UNITS_PER_ARG, RS6000_ARG_SIZE): Delete.
        (HARD_REGNO_MODE_OK): Disallow TFmode for fp31.
        * config/rs6000/rs6000.c (rs6000_arg_size): New function.
        Update all users of RS6000_ARG_SIZE.
        (function_arg_advance): Count fregno using mode size.
        (function_arg): Handle long double split over regs and memory.
        (function_arg_partial_nregs): Likewise.
        (rs6000_va_arg): Repackage complex args.

2004-03-13  Dean Ferreyra <dferreyra@igc.org>

        PR target/14047
        * config/avr/avr.c (avr_progmem_p): Add "attributes" parameter.
        (avr_insert_attributes): Pass "attributes" to avr_progmem_p.
        * config/avr/avr-protos.h (avr_progmem_p): Change prototype.

2004-03-12  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/rs6000-protos.h (rs6000_output_dwarf_dtprel): Add
        prototype.
        * config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): New.
        * config/rs6000/rs6000.h (ASM_OUTPUT_DWARF_DTPREL): Define.

2003-03-12  Andrew Pinski  <apinski@apple.com>

        * config/rs6000/host-darwin.c (darwin_rs6000_gt_pch_use_address):
        Use ret instead of result. Use addr instead of base.

2004-03-12  David Edelsohn  <edelsohn@gnu.org>

        * doc/install.texi (*-ibm-aix*): Document assembler and achiver
        fixes required by libstdc++ and update installation instructions
        for libstdc++.a.

2004-03-12  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/winnt.c (i386_pe_strip_name_encoding_full): Strip
        leading '@' on fastcall symbols before stripping suffix.

2004-03-12  Roger Sayle  <roger@eyesopen.com>

        * combine.c (unmentioned_reg_p): New function to check whether an
        expression is a "specialization" of another, i.e. that there are
        no registers or memory references mentioned in the first that don't
        appear in the second.
        (unmentioned_reg_p_1): New helper subroutine of unmentioned_reg_p.
        (combine_instructions): Also try combining instructions using the
        REG_EQUAL note from a preceding log-linked instruction.

2004-03-12  Roger Sayle  <roger@eyesopen.com>

        * config/i386/i386.c (ix86_split_ashrdi): Optimize shift by 63.

2004-03-12  Matt Austern  <austern@apple.com>

        * target.h (struct gcc_target): New target hook, unwind_label.
        * target-def.h (TARGET_ASM_EMIT_UNWIND_LABEL): New hook.
        * output.h (default_emit_unwind_label): New function.
        * default.h (TARGET_EXPLICIT_INSTANTIATIONS_ONE_ONLY): New macro.
        (TARGET_USES_WEAK_UNWIND_INFO): New target macro.
        (TARGET_SUPPORTS_HIDDEN): New target macro.
        * dwarf2out.c (struct dw_fde_struct): Add field for function decl
        that corresponds to this FDE.
        (FRAME_BEGIN_LABEL): Allow target to override default label.
        (output_call_frame_info): If FDEs are linknonce, then use extra
        indirection for FDE encoding, output a label for each FDE, and
        output an empty label for each function without an FDE.
        (dwarf2out_begin_prologue): Set up decl field when creating an FDE.
        * varasm.c (globalize_decl): Call ASM_MAKE_LABEL_LINKONCE for
        decls with DECL_ONE_ONLY set, if that macro is defined.
        (make_decl_one_only): Don't use DECL_COMMON if we're compiling
        for a SUPPORTS_ONE_ONLY target.
        * config/darwin-protos.h (darwin_unique_section): Declare.
        (darwin_asm_named_section): Likewise.
        (darwin_section_type_flags): Likewise.
        (darwin_non_lazy_pcrel): Likewise.
        (darwin_emit_unwind_label): Likewise.
        (darwin_make_decl_one_only): Likewise.
        * config/darwin.c (machopic_finish): Get rid of tweak that
        eliminate stubs for symbols that are defined.
        (darwin_encode_section_info): Don't treat weak functions as defined.
        (darwin_make_decl_one_only): Define.
        (darwin_asm_named_section): Likewise.
        (darwin_section_type_flags): Likewise.
        (darwin_unique_section): Likewise.
        (darwin_emit_unwind_label): Likewise.
        (darwin_non_lazy_pcrel): Likewise.
        (darwin_asm_output_dwarf_delta): Difference between two labels is
        local only if both labels are local.
        * config/darwin.h (MAKE_DECL_ONE_ONLY): Define.
        (ASM_MAKE_LABEL_LINKONCE): Likewise.
        (TARGET_SUPPORTS_HIDDEN): Likewise.
        (TARGET_USES_WEAK_UNWIND_INFO): Likewise.
        (TARGET_EXPLICIT_INSTANTIATIONS_ONE_ONLY): Likewise.
        (FRAME_BEGIN_LABEL): Likewise.
        (ASM_DECLARE_OBJECT_NAME): Make references to weak symbols indirect.
        (ASM_DECLARE_FUNCTION_NAME): Likewise.
        (darwin_eh_frame_section): Give __eh_frame section the coalesced flag.
        (TARGET_ASM_UNIQUE_SECTION): Define.
        (EH_FRAME_SECTION_NAME): Define.
        (EH_FRAME_SECTION_ATTR): Likewise.
        (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
        (TARGET_ASM_NAMED_SECTION): Likewise.
        (TARGET_SECTION_TYPE_FLAGS): Likewise.
        * doc/tm.texi: Document TARGET_USES_WEAK_UNWIND_INFO,
        TARGET_EXPLICIT_INSTANTIATIONS_ONE_ONLY, TARGET_SUPPORTS_HIDDEN,
        TARGET_ASM_EMIT_UNWIND_LABEL.

2004-03-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (expand_builtin_mathfn): Add pow10* to the
        existing exp10* case.
        (expand_builtin): Likewise.

2004-03-12  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/tm.texi (registers) <Values in Registers>: Add
        entry for REGMODE_NATURAL_SIZE.

2004-03-12  Richard Henderson  <rth@redhat.com>

        PR target/14547
        * target.h (struct gcc_target): Move calls substructure before
        booleans.  Add split_complex_arg.
        * function.c (assign_parms, split_complex_args): Use it.
        * calls.c (expand_call): Likewise.
        (split_complex_values): Likewise.  Check for splittable types
        before allocating memory.
        (split_complex_types): Likewise.
        * system.h (SPLIT_COMPLEX_ARGS): Poison.
        * expr.h (SPLIT_COMPLEX_ARGS): Remove.
        * target-def.h (TARGET_SPLIT_COMPLEX_ARG): New.
        * config/alpha/alpha.c (alpha_split_complex_arg): New.
        (TARGET_SPLIT_COMPLEX_ARG): New.
        * config/alpha/alpha.h (SPLIT_COMPLEX_ARGS): Remove.
        * config/rs6000/rs6000.c (TARGET_SPLIT_COMPLEX_ARG): New.
        (rs6000_override_options): Zap it for non-AIX.
        (rs6000_function_value): Use targetm.calls.split_complex_arg.
        * config/rs6000/rs6000.h (SPLIT_COMPLEX_ARGS): Remove.
        * config/xtensa/xtensa.c (TARGET_SPLIT_COMPLEX_ARG): New.
        * config/xtensa/xtensa.h (SPLIT_COMPLEX_ARGS): Remove.
        * doc/tm.texi (TARGET_SPLIT_COMPLEX_ARG): Modify from old
        SPLIT_COMPLEX_ARGS entry.

2004-03-11  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (xfloating_ops, vax_cvt_ops): New.
        (alpha_lookup_xfloating_lib_func): Use them, return rtx.
        (alpha_emit_xfloating_arith): Update to match.
        (alpha_emit_xfloating_compare): Likewise.
        (alpha_emit_xfloating_cvt): Likewise.
        (alpha_emit_xfloating_libcall): Take already built symbol,
        mark call const.
        * config/alpha/alpha.md (extendsftf2, extenddftf2): Take
        op1 in a register.

2004-03-11  Richard Henderson  <rth@redhat.com>

        PR target/14539
        * config/alpha/alpha.h (STACK_BOUNDARY): Set to 128.

        * simplify-rtx.c (simplify_relational_operation): Fix typo.

2004-03-11  Richard Henderson  <rth@redhat.com>

        PR middle-end/14477
        * except.c (remove_unreachable_regions): Look thru CALL_PLACEHOLDER.

2004-03-11  Ulrich Weigand  <uweigand@de.ibm.com>

        PR target/14262
        * calls.c (load_register_parameters): If BLOCK_REG_PADDING is not
        defined, pass small BLKmode values in registers in the low-order part.

2004-03-11  Ulrich Weigand  <uweigand@de.ibm.com>

        * combine.c (if_then_else_cond): Check for NULL return value of
        simplify_gen_subreg.

2004-03-11  Richard Sandiford  <rsandifo@redhat.com>

        PR target/14496
        * config/mips/mips.h (UNITS_PER_FPVALUE): Fix value for
        TARGET_SINGLE_FLOAT.

2004-03-11  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/hpux.h (TARGET_INIT_LIBFUNCS): Add undef.
        * config/ia64/ia64.h (TARGET_INIT_LIBFUNCS): Add define.
        * config/ia64/ia64.c (ia64_init_libfuncs): New.
        (ia64_hpux_init_libfuncs): Add call to ia64_init_libfuncs.

2004-03-11  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (negate_expr_p) <RSHIFT_EXPR>: We can optimize
        -((int)X>>C) where C is an integer constant one bit less than the
        size of X into (unsigned)X>>C.  Similarly for unsigned->signed.
        (negate_expr) <RSHIFT_EXPR>: Implement the above transformations.

        * simplify-rtx.c (simplify_unary_operation): Also implement the
        above transformations at the RTL level.

2004-03-11  Alan Modra  <amodra@bigpond.net.au>

        * real.c (encode_ibm_extended): Do round low word.

2004-03-11  Ben Elliston  <bje@wasabisystems.com>

        * config/arm/arm.md (is_xscale): Comment this attribute and move
        it a bit further up in the file, closer to related attributes.

2004-03-11  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/host-solaris.c (sol_gt_pch_use_address): Add
        missing terminating marker to comment.

2004-03-11  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md: Use move_operand in splitters for 64-bit moves.
        (movdi, movsi, movhi, movqi, movsf, movdf): Remove predicates.
        (*movdi_32bit_mips16, *movsi_mips16, *movhi_mips16, *movqi_mips16)
        (*movsf_mips16, *movdf_mips16):  Name unnamed patterns.  Use
        move_operand as source predicate in all cases.
        (*movdi_32bit): Renamed from movdi_internal.  Remove 'F' constraint.
        Test reg_or_0_operand.  Use move_operand as source predicate.
        (*movdi_64bit): Renamed from movdi_internal2.  Test reg_or_0_operand.
        (*movdi_64bit_mips16): Renamed from movdi_internal2_mips16.
        (*movsi_internal): Renamed from movsi_internal.  Test reg_or_0_operand.
        (movhi, movqi, movsf, movdf): Use mips_legitimize_move.
        (*movhi_internal): Renamed from movhi_internal.  Test reg_or_0_operand.
        Use move_operand as source predicate.  Remove 'K' constraint.
        (*movqi_internal): Likewise movqi_internal.
        (*movsf_hardfloat): Renamed from movsf_internal1.  Test
        reg_or_0_operand.  Use move_operand as source predicate.
        (*movsf_softfloat): Likewise movsf_internal2.
        (*movdf_hardfloat_64bit): Likewise movsf_internal1a.
        (*movdf_hardfloat_32bit): Likewise movsf_internal1b.
        (*movdf_softfloat): Likewise movdf_internal2.
        * config/mips/mips.c (move_operand): Match arbitrary CONST_INTs
        for DImode if !TARGET_64BIT.
        (mips_legitimize_move): Simplify accordingly.

2004-03-11  Josef Zlomek  <zlomekj@suse.cz>

        PR/14362
        * var-tracking.c (struct variable_def): Added field refcount.
        (variable_htab_free): Decrease the refcount and delete variable
        only if there are no more references.
        (unshare_variable): New function.
        (vars_copy_1): Increase refcount instead of copying the variable.
        (variable_union): Share the variables where possible, unshare
        the variables if needed.
        (variable_different_p): Return false if var1 and var2 are
        the same structure.
        (variable_was_changed): Init the refcount of new variable.
        (set_frame_base_location): Unshare variable if needed.
        (set_variable_part): Init the refcount of new variable.
        Unshare the variables if needed.
        (delete_variable_part): Unshare the variables if needed.
        (emit_notes_for_differences_1): Init the refcount of new variable.
        (vt_add_function_parameters): Do not add function parameters to
        IN set of ENTRY_BLOCK_PTR because it is unused anyway.
        (vt_initialize): Do not add frame_base_decl to IN set of
        ENTRY_BLOCK_PTR because it is unused anyway.

2004-03-11  Josef Zlomek  <zlomekj@suse.cz>

        * var-tracking.c (vars_copy_1): Cleanup and speedup chain operations.
        (vars_copy): Likewise.
        (variable_union): Likewise.
        (set_variable_part): Likewise.
        (delete_variable_part): Likewise.

2004-03-11  Kazu Hirata  <kazu@cs.umass.edu>

        * c-typeck.c, combine.c, cse.c, dominance.c, et-forest.h,
        ggc-page.c, var-tracking.c, config/fp-bit.c, config/c4x/c4x.c,
        config/cris/cris.c, config/i386/ppro.md, config/i860/i860.c,
        config/i860/i860.h, config/m32r/m32r.h, config/m32r/xm-m32r.h,
        config/m68hc11/m68hc11.h, config/m68hc11/m68hc11.md,
        config/mips/mips.c, config/mmix/mmix.c, config/ns32k/ns32k.h,
        config/pa/pa.c, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
        config/pdp11/pdp11.h, config/rs6000/rs6000.c,
        config/stormy16/stormy16.c: Fix comment typos and formatting.

2004-03-11  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure: Regenerate, since I forgot to while committing Paolo's
        changes.

2004-03-08  Paolo Bonzini  <bonzini@gnu.org>

        PR ada/14131
        Move language detection to the top level.
        * configure.ac: Remove code to detect languages,
        it now lives exclusively in the top level.
        * aclocal.m4 (gcc_AC_PROG_GNAT): Moved to the
        top level, renamed to ACX_PROG_GNAT.

2004-03-10  Richard Henderson  <rth@redhat.com>

        * c-pch.c (c_common_no_more_pch): Update for gt_pch_use_address
        extra arguments.
        * config.host (*-*-solaris2*, *-*-linux*): Add out_host_hook_obj
        and host_xmake_file fragments.
        * ggc-common.c (gt_pch_save): Update for gt_pch_get_address change.
        (gt_pch_restore): Similarly for gt_pch_use_address.
        (default_gt_pch_get_address): New.
        (mmap_gt_pch_get_address): Split out of gt_pch_save.
        (default_gt_pch_use_address): Split out of gt_pch_restore.
        (mmap_gt_pch_use_address): Likewise.
        * hooks.c (hook_voidp_size_t_null): Remove.
        (hook_bool_voidp_size_t_false): Remove.
        * hooks.h: Likewise.
        * hosthooks-def.h (HOST_HOOKS_GT_PCH_GET_ADDRESS): Use one of the
        default_ or mmap_ definitions.
        (HOST_HOOKS_GT_PCH_USE_ADDRESS): Likewise.
        * hosthooks.h (struct host_hooks): Update gt_pch_get_address
        and gt_pch_use_address.
        * config/host-linux.c, config/host-solaris.c: New files.
        * config/x-linux, config/x-solaris: New files.
        * config/rs6000/host-darwin.c (darwin_rs6000_gt_pch_get_address):
        Update for changed definition.
        (darwin_rs6000_gt_pch_use_address): Likewise.
        * doc/hostconfig.texi: Update docs.

2004-03-10  Richard Henderson  <rth@redhat.com>

        PR c/14517
        * c-decl.c (grokdeclarator): Don't warn for duplicate qualifiers
        except for pedantic c90 mode.

2004-03-10  Kelley Cook  <kcook@gcc.gnu.org>

        * configure.ac: Bump AC_PREREQ to 2.59.
        * configure: Regenerate.

2004-03-10  Uros Bizjak  <uros@kss-loka.si>

        * optabs.h (enum optab_index): Add new OTI_exp10 and OTI_exp2.
        (exp10_optab, exp2_optab): Define corresponding macros.
        * optabs.c (init_optabs): Initialize exp10_optab and exp2_optab.
        * genopinit.c (optabs): Implement exp10_optab and exp2_optab
        using exp10?f2 and exp2?f2 patterns.
        * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_EXP10{,F,L}
        using exp10_optab, and BUILT_IN_EXP2{,F,L} using exp2_optab.
        (expand_builtin): Expand BUILT_IN_EXP10{,F,L} and BUILT_IN_EXP2{,F,L}
        using expand_builtin_mathfn if flag_unsafe_math_optimizations is set.

        * config/i386/i386.md (exp10sf2, exp10df2, exp10xf2, exp2sf2,
        exp2df2, exp2xf2): New patterns to implement exp10, exp10f, exp10l,
        exp2, exp2f and exp2l built-ins as inline x87 intrinsics.

2004-03-10  Anthony Green  <green@redhat.com>

        * doc/invoke.texi (ARM Options): Fix -mpfu typo.

2004-03-10  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/aix.h (TARGET_OS_CPP_BUILTINS): Rename to ...
        (TARGET_OS_AIX_CPP_BUILTINS): this.  Conditionally define
        __LONGDOUBLE128.
        * config/rs6000/aix41.h (TARGET_OS_CPP_BUILTINS): Use
        TARGET_OS_AIX_CPP_BUILTINS.
        * config/rs6000/aix43.h (TARGET_OS_CPP_BUILTINS): Same.
        * config/rs6000/aix51.h (TARGET_OS_CPP_BUILTINS): Same.
        * config/rs6000/aix52.h (TARGET_OS_CPP_BUILTINS): Same.
        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Revert
        previous change.

2004-03-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * fold-const.c (tree_expr_nonnegative_p): Add more builtin cases.

2004-03-10  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
        __LONGDOUBLE128 on AIX.

2004-03-10  Andrew Haley  <aph@redhat.com>

        PR optimization/14381
        * function.c (expand_function_end): Emit a blockage insn before
        the epilogue when -fnon-call-exceptions is used.

        * except.c (expand_start_all_catch): Make comment more accurate.

2004-03-08  Joel Sherrill  <joel@oarcorp.com>

        PR target/14480
        * config/rs6000/t-rtems: Add missing file on branch.

2004-03-10  Ulrich Weigand  <uweigand@de.ibm.com>

        * dbxout.c (dbxout_symbol_location): Do not output references
        to optimized-out constant pool symbols.

2004-03-10  Andreas Schwab  <schwab@suse.de>

        * config/ia64/ia64.md (divsi3, udivsi3): Remove unused variable
        twon34_r.

2004-03-09  James E Wilson  <wilson@specifixinc.com>

        * alias.c (alias_sets_might_conflict_p): New.
        * c-typeck.c (build_c_cast): Call it if warn_strict_aliasing > 1.
        * common.opt (Wstrict-aliasing=): New.
        * flags.h (warn_strict_aliasing): Change type to int.
        * opts.c (warn_strict_aliasing): Change type to int.
        (common_handle_option): Handle OPT_Wstrict_aliasing_.
        * tree.h (alias_sets_might_conflict_p): Declare it.
        * doc/invoke.tex (-Wstrict-aliasing=2): Document it.

2004-03-10  Roman Zippel  <zippel@linux-m68k.org>

        PR bootstrap/12371
        * config/m68k/m68k.h (FIXED_REGISTERS): Add arg pointer.
        (CALL_USED_REGISTERS): Likewise.
        (REG_CLASS_CONTENTS): Likewise.
        (REG_ALLOC_ORDER): New.
        (REGNO_REG_CLASS): Use regno_reg_class.
        * config/m68k/m68k.c: Add regno_reg_class array.

2004-03-09  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.md (divsi3): Fix algorithm.
          (udivsi3): Ditto.
          (setf_exp_xf): Remove '*' from name.
        * testsuite/gcc.dg/20040309-1.c: New test.

2004-03-09  Ian Lance Taylor  <ian@wasabisystems.com>

        * system.h (SUNOS4_SHARED_LIBRARIES): Poison.
        * collect2.c: Remove SUNOS4_SHARED_LIBRARIES code.
        * config/sparc/aout.h (TARGET_ASM_SELECT_SECTION): Don't define.
        * config/sparc/sparc.c (sparc_aout_select_section): Remove.
        (sparc_aout_select_rtx_section): Don't check
        SUNOS4_SHARED_LIBRARIES.
        * config/sparc/sparc.h (SUNOS4_SHARED_LIBRARIES): Don't define.

2004-03-10  Hans-Peter Nilsson  <hp@axis.com>

        PR other/14474
        * doc/md.texi (Pattern Ordering, Dependent Patterns)
        (Jump Patterns, Looping Patterns): Wrap in separate "@ifset
        INTERNALS".

2004-03-09  Zack Weinberg  <zack@codesourcery.com>

        * config/ia64/hpux.h (MULTILIB_DEFAULTS): Define.
        (LIBGCC_SPEC): Update to match.

2004-03-09  Zack Weinberg  <zack@codesourcery.com>

        * c-decl.c (last_function_parms, last_function_parm_tags)
        (last_function_parm_others, current_function_parms)
        (current_function_parm_tags, current_function_parm_others):
        Delete.
        (ARG_INFO_PARMS, ARG_INFO_TAGS, ARG_INFO_TYPES, ARG_INFO_OTHERS):
        New macros.
        (grokdeclarator): For function definitions, save the arg-info
        block from the declarator in DECL_ARGUMENTS.
        (grokparms): Do not write to last_function_parm*.  Use ARG_INFO_*
        macros to operate on arg-info block.  Can assume ARG_INFO_PARMS
        contains only PARM_DECLs.  Improve diagnostics.
        (get_parm_info): Use ARG_INFO_* macros.  Improve comments and
        diagnostics.  Disable some expensive checks if not ENABLE_CHECKING.
        (store_parm_decls_newstyle): Take the function to operate on,
        and an arg-info block, as arguments; don't get anything from
        current_function_* globals.
        (store_parm_decls_oldstyle): Likewise.
        (store_parm_decls): Pass fndecl and its arg-info block down to
        store_parm_decls_newstyle/oldstyle.  Send functions with empty
        argument lists through store_parm_decls_newstyle to reduce
        overhead.
        (pushdecl): Comment on the problems with the call to copy_node.
        Clear DECL_ARGUMENTS of the old node after copying it, if it
        is an arg-info block instead of a chain of decls.
        (start_function): Do not manipulate current_function_parm* or
        last_function_parm*.

2004-03-09  Roger Sayle  <roger@eyesopen.com>
            Andrew Pinski  <pinskia@physics.uc.edu>

        * ifcvt.c (noce_try_sign_mask): New function to transform
        "x = (y < 0) ? z : 0" into the equivalent "x = (y >> C) & z".
        (noce_process_if_block): Call noce_try_sign_mask.

2004-03-09  Andrew Pinski  <apinski@apple.com>

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

2004-03-09  Roger Sayle  <roger@eyesopen.com>

        * simplify-rtx.c (simplify_const_relational_operation): New function
        renamed from simplify_relational_operation.
        (simplify_relational_operation): Change prototype to accept an
        additional mode argument.  Call simplify_const_relational_operation.
        (simplify_gen_relational): Update simplify_relational_operation call.
        (simplify_ternary_operation): Update simplify_relational_operation
        subroutine call to use simplify_const_relational_operation instead.

        * rtl.h (simplify_const_relational_operation): Prototype here.
        (simplify_relational_operation): Add addtional mode argument.

        * combine.c (combine_simplify_rtx): Update calls to
        simplify_relational_operation.
        (simplify_set): Likewise.
        (gen_binary): Likewise.
        * cse.c (fold_rtx): Likewise.
        * dojump.c (compare_from_rtx): Likewise.
        (do_compare_rtx_and_jump): Likewise.
        * integrate.c (subst_constants): Likewise.
        * unroll.c (simplify_cmp_and_jump_insns): Likewise.

2004-03-09  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r.md: Remove all define_peephole's.

2004-03-09  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.md: Remove trailing whitespace.

2004-03-08  Eric Christopher  <echristo@redhat.com>

        * Makefile.in (site.exp): Add libiconv variable definition.

2004-03-09  Hans-Peter Nilsson  <hp@axis.com>

        * configure: Regenerate for config/accross.m4 correction.

2004-03-08  Joel Sherrill  <joel@oarcorp.com>

        PR target/14480
        * config/rs6000/t-rtems: Add missing file on branch.

2004-03-08  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/14289
        * c-typeck.c (c_mark_addressable): A register variable should
        be considered global if its not automatic, i.e. TREE_PUBLIC,
        TREE_STATIC or DECL_EXTERNAL.
        * function.c (put_var_into_stack): Call abort when placing a
        hard register into the stack, if x_parm_reg_stack_loc is NULL.

2004-03-08  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("*extendqidi2_short_displ"): Add CC clobber.
        ("*extendqisi2_short_displ"): Likewise.

2004-03-08  Kazu Hirata  <kazu@cs.umass.edu>

        * config/pdp11/pdp11.c (comparison_operator_index): Remove.
        (comp_operator): Likewise.
        * config/pdp11/pdp11-protos.h: Remove corresponding
        prototypes.

2004-03-08  Eric Botcazou  <ebotcazou@act-europe.fr>

        * expr.c (highest_pow2_factor_for_type): Rename into
        highest_pow2_factor_for_target.  Use DECL_ALIGN instead of
        TYPE_ALIGN when the target is a COMPONENT_REF.
        (expand_assignment): Ajust call to highest_pow2_factor_for_type.

2004-03-08  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c: Formatting fix.
        (legitimate_offset_address_p): Correct offset range check.

        * config/rs6000/rs6000.c (rs6000_override_options): Don't override
        -msoft-float by -mcpu.  Consolidate similar code for MASK_MULTIPLE
        and MASK_STRING.

2004-03-07  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md (ashrdi3): Do not call ashrdi3_no_power
        for little endian.
        ("ashrdi3_no_power"): Disable for little endian.
        (ashrdi3): Same.

2004-03-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * fold-const.c (tree_expr_nonnegative_p): Reformat checks for
        builtins.

2004-03-08  Hans-Peter Nilsson  <hp@axis.com>

        PR target/14471
        * configure.ac (Target-specific assembler checks) <cris-*-*>: New
        case, checking for -no-mul-bug-abort option.
        * configure, config.in: Regenerate.
        * doc/invoke.texi (CRIS Options): Document -mmul-bug-workaround
        and -mno-mul-bug-workaround.
        * config/cris/cris.md ("smulsi3_highpart", "umulsi3_highpart")
        ("mulsidi3", "umulsidi3"): Prefix output template with "%!".
        ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3"):
        Ditto.  Make attribute "slottable" dependent on TARGET_MUL_BUG.
        * config/cris/mulsi3.asm (__Mul) [__CRIS_arch_version >= 10]: Make
        sure mulu.d is not last on cache-line.
        * config/cris/cris.h (ASM_SPEC): Translate -mno-mul-bug-workaround
        into -no-mul-bug-abort depending on HAVE_AS_MUL_BUG_ABORT_OPTION.
        (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG): New macros.
        (TARGET_SWITCHES): New options -mmul-bug-workaround and
        -mno-mul-bug-workaround.
        (TARGET_DEFAULT): Include TARGET_MASK_MUL_BUG.
        (PRINT_OPERAND_PUNCT_VALID_P): Include '!'.
        * config/cris/cris.c (cris_operand_extend_operator): Clarify
        relation to MULT in head comment.
        (cris_op_str): Abort for MULT.
        (cris_print_operand) <case '!'>: New case.

2004-03-08  Alan Modra  <amodra@bigpond.net.au>

        PR debug/11983
        * dwarf2out.c (enum dw_val_class): Rename dw_val_class_float to
        dw_val_class_vec.  Replace use throughout file.
        (dw_float_const): Delete.
        (dw_vec_const): New.
        (dw_val_struct_union): Rename val_float to val_vec.  Replace use
        throughout file.
        (add_AT_vec): Rename from add_AT_float.  Add elt_size param.
        (same_dw_val_p): Adjust vec comparison.  Use memcmp.
        (size_of_die): Adjust dw_val_class_vec sizing.
        (output_die): Output dw_val_class_vec.
        (insert_int, extract_int, insert_float): New functions.
        (add_const_value_attribute): Use insert_float for CONST_DOUBLE.
        Handle CONST_VECTOR.
        (add_location_or_const_value_attribute): Handle CONST_VECTOR.

2004-03-07  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_parse_abi_options): SPE and
        AltiVec abi cannot co-exist.

        * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Same.

2004-03-07  Jan Hubicka  <jh@suse.cz>

        * except.c (emit_to_new_bb_before):  Break fallthru edges.

2004-03-07  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md ("*lshrsi3_const"): Disable for 68HC12.
        ("*lshrsi3"): Also accept an immediate for 68HC12.
        ("*ashrsi3_const"): Likewise.
        ("*ashrsi3"): Likewise.
        ("*ashlsi3_const"): Likewise.
        ("*ashlsi3"): Likewise.
        ("cmphi_1_hc12"): Compare two hard register by pushing them and
        comparing with a pop; don't use a split for that.
        ("cmphi split"): Disable compare split for 68HC12.

        * config/m68hc11/m68hc11.c (m68hc11_notice_update_cc): Invalidate
        the status operands if they have side effects.

2004-03-07  Kazu Hirata  <kazu@cs.umass.edu>

        * defaults.h (LEGITIMIZE_ADDRESS): Provide a default
        definition.
        * config/arc/arc.h, config/fr30/fr30.h, config/frv/frv.h,
        config/h8300/h8300.h, config/ia64/ia64.h,
        config/mcore/mcore.h, config/mmix/mmix.h,
        config/ns32k/ns32k.h, config/pdp11/pdp11.h,
        config/stormy16/stormy16.h, config/v850/v850.h,
        config/vax/vax.h (LEGITIMIZE_ADDRESS): Remove.
        * doc/tm.texi (LEGITIMIZE_ADDRESS): Mention the default
        definition.

2004-03-07  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold) <IOR_EXPR>: Fold x | x as x.
        <XOR_EXPR>: Fold x ^ x as zero.
        <AND_EXPR>: Fold x & x as x.

2004-03-07  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold) <EQ_EXPR>: Rewrite optimization to transform
        "foo++ == const" into "++foo == const+incr".

2004-03-07  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_in_small_data_p): Return false if
        TARGET_ABICALLS.

2004-03-06  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Use 2,-sp to push
        the stack register.
        (expand_prologue): Don't make an interrupt or a trap handler a far
        symbol.
        (m68hc11_initial_elimination_offset): Likewise.

2004-03-06  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_in_small_data_p): False for functions.

2004-03-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/ns32k/ns32k-protos.h: Add a prototype for
        ns32k_notice_update_cc.
        * config/ns32k/ns32k.c (ns32k_notice_update_cc): New.
        * config/ns32k/ns32k.h (NOTICE_UPDATE_CC): Call
        ns32k_notice_update_cc.

2004-03-06  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("load_multiple", "*load_multiple_di",
        "*load_multiple_si"): Allow only if reload_completed.
        ("store_multiple", "*store_multiple_di", "*store_multiple_si"):
        Likewise.

2004-03-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/vax/vax-protos.h: Add a prototype for
        vax_notice_update_cc.
        * config/vax/vax.c (vax_notice_update_cc): New.
        * config/vax/vax.h (NOTICE_UPDATE_CC): Call
        vax_notice_update_cc.

2004-03-06  David Edelsohn  <edelsohn@gnu.org>

        * collect2.c (main): Only export initfunc and finifunc if
        LD_INIT_SWITCH not defined.
        (scan_prog_file): Only export constructors and destructors if
        LD_INIT_SWITCH not defined.  Only export symbols not found in
        shared objects.

2004-03-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.md (icacheflush): Reorder operands to make match_scratch operand
        last.
        * pa.h (INITIALIZE_TRAMPOLINE): Remove unnecessary scratch argument
        from calls to gen_icacheflush.

2004-03-06  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.h (MASK_LONG_DOUBLE_128): New.
        (TARGET_LONG_DOUBLE_128): New.
        (TARGET_SWITCHES): Add long-double-{128,64}.
        (TARGET_HAS_XFLOATING_LIBS): Default to TARGET_LONG_DOUBLE_128.
        (LONG_DOUBLE_TYPE_SIZE): Honor TARGET_LONG_DOUBLE_128.
        (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New.
        (WIDEST_HARDWARE_FP_SIZE): New.
        (TARGET_CPU_CPP_BUILTINS): Define __LONG_DOUBLE_128__.
        * config/alpha/alpha.c (override_options): Clear MASK_LONG_DOUBLE_128
        if TARGET_VAX_FLOAT.
        * config/alpha/osf5.h (LONG_DOUBLE_TYPE_SIZE): Remove.
        (TARGET_DEFAULT): Set MASK_LONG_DOUBLE_128.

2004-03-06  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_swapped_comparison_operator): Fix
        botched rtx class conversion.

2004-03-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * tree.h (BUILTIN_EXP10_P, BUILTIN_EXPONENT_P, BUILTIN_SQRT_P,
        BUILTIN_CBRT_P, BUILTIN_ROOT_P): New macros.

        * builtins.c (fold_builtin_logarithm, fold_builtin): Use new
        macros.
        * fold-const.c (fold_mathfn_compare, fold): Likewise.

2004-03-06  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/14343
        * config/i386/i386.md (movv2di_internal): Conditionalize on
        TARGET_SSE, not TARGET_SSE2.

2004-03-05  Chris Demetriou  <cgd@broadcom.com>

        * config.gcc (mips64orion-*-elf*, mips64orionel-*-elf*): Delete
        duplicated line.

2004-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c: Consistently use logN not log* in comments.

2004-03-05  Andreas Krebbel  <krebbel1@de.ibm.com>

        * rtl.h (mem_expr_equal_p): Function prototype added.
        * cfgcleanup.c (merge_memattrs): New function.
        (flow_find_cross_jump): Call merge_memattrs for matching insns.
        * emit-rtl.c (mem_expr_equal_p): New function.

2004-03-05  Ziemowit Laski  <zlaski@apple.com>

        * objc/objc-act.c (synth_module_prologue): Const-qualify
        objc_selector type if using the GNU runtime; fix generated
        signatures for objc_msg_lookup and objc_msg_lookup_super
        to match what GNU ObjC headers provide; reformat and clean up.
        (synth_self_and_ucmd_args): Use previously constructed (and
        hence possibly const-qualified) objc_selector type.

2004-03-05  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/tm.texi (HARD_REGNO_RENAME_OK): Document.

2004-03-05  Jason Merrill  <jason@redhat.com>

        * tree.h (TYPE_HASH): Use TYPE_UID.
        (TREE_HASH): New macro with old definition of TYPE_HASH.
        * tree.c (build_type_attribute_variant): Use iterative_hash_object.
        (build_array_type, build_function_type): Likewise.
        (build_method_type_directly): Likewise.
        (build_offset_type, build_complex_type): Likewise.
        (type_hash_list, attribute_hash_list): Likewise. Now static.
        * except.c: s/TYPE_HASH/TREE_HASH/.

2004-03-05  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (function_arg): Handle 16-byte aligned args.
        (xtensa_va_start): Initialize __va_stk to ($arg_ptr - 32).  Adjust
        __va_ndx by 2 words when referencing an argument on the stack.
        (xtensa_va_arg): Handle 16-byte aligned args.  Adjust __va_ndx by 2
        words when an arg on the stack is first seen.

2004-03-05  Paul Brook  <paul@codesourcery.com>

        * arm.h (ARM_FLAG_VFP): Remove.
        (ARM_FLAG_ATPCS, CIRRUS_FIX_INVALID_INSNS): Renumber.
        * netbsd-elf.h (ARM_FLAG_VFP): Remove.

2004-03-05  Paul Brook  <paul@codesourcery.com>

        * function.c (assign_parms): Include pretend alignment offset.

2004-03-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * stor-layout.c (layout_type, case FUNCTION_TYPE): Make size
        FUNCTION_BOUNDARY, not POINTER_SIZE * 2.

2004-03-05  Ian Lance Taylor  <ian@wasabisystems.com>

        * configure.ac: When passing --enable-languages to subdir
        configure when host != build, make sure we don't pass an empty
        value.
        * configure: Regenerate.

2004-03-05  Nathan Sidwell  <nathan@codesourcery.com>

        PR 13577
        * gcc.c (cc1_options): Robustify -auxbase-strip from multiple -o
        options.

2004-03-05  Paolo Bonzini  <bonzini@gnu.org>

        * simplify-rtx.c (simplify_relational_operation): If
        flag_wrapv is set, do not move terms between the two
        side of a relational operator.

2004-03-05  Paolo Bonzini  <bonzini@gnu.org>

        * rtlanal.c: Include target.h and output.h
        (rtx_cost, address_cost, default_address_cost): Move from...
        * cse.c (rtx_cost, address_cost, default_address_cost):
        ... this file.
        * rtl.h (rtx_cost, address_cost): Move under rtlanal.c.
        * Makefile.in: Adjust dependencies.

2004-03-05  Paolo Bonzini <bonzini@gnu.org>

        * cse.c (cse_end_of_basic_block): Make static.
        * local-alloc.c (function_invariant_p): Move to
        reload1.c.
        * loop.c (libcall_other_reg, record_excess_regs):
        Make static.
        * reload1.c (function_invariant_p): Moved here
        from local-alloc.c, made static.
        * rtl.h (cse_end_of_basic_block, function_invariant_p,
        libcall_other_reg, record_excess_regs): Remove
        declarations.

2004-03-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r.c (signed_comparison_operator): Add a
        missing parenthesis.

2004-03-04  Ian Lance Taylor  <ian@wasabisystems.com>

        * ggc-common.c (gt_pch_restore): Don't unmap addr unless we are
        going to call mmap again.  Read the file into the right place.
        Give a fatal error if we have to relocate.

2004-03-04  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (xtensa_return_in_msb): New function.
        (TARGET_RETURN_IN_MSB): Define to xtensa_return_in_msb.

2004-03-05  Hans-Peter Nilsson  <hp@axis.com>

        PR other/14354
        * config/fp-bit.c (_fpdiv_parts): Do not round when pack_d would
        round the same.  When rounding, clear bits that would cause a
        second rounding in pack_d.
        (_fpmul_parts): Ditto.  Remove #if 0:d code.

2004-03-04  Ziemowit Laski  <zlaski@apple.com>

        PR c++/14425, c++/14426
        * config/rs6000/altivec.h (vec_splat_s8, vec_splat_s16,
        vec_splat_s32, vec_splat_u8, vec_splat_u16, vec_splat_u32):
        Change C++ definitions to accept a 'const int' argument;
        the prototypes already do.
        * config/rs6000/rs6000.c (rs6000_common_init_builtins):
        Rename v4si_ftype_char, v8hi_ftype_char, v16qi_ftype_char,
        v4sf_ftype_v4si_char, v4si_ftype_v4sf_char, v4si_ftype_v4si_char,
        v8hi_ftype_v8hi_char, v16qi_ftype_v16qi_char,
        v16qi_ftype_v16qi_v16qi_char, v8hi_ftype_v8hi_v8hi_char,
        v4si_ftype_v4si_v4si_char and v4sf_ftype_v4sf_v4sf_char to
        end in ..._int; change them to accept an int instead of a char
        as the last parameter.

2004-03-04  Phil Edwards  <phil@codesourcery.com>

        * genmultilib:  Change '=' to '-' when translating option names
        to directory names.

2004-03-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * expr.c (expand_expr_real, case COMPONENT_REF): Get proper type of
        stack slot for temp used for result of BLKmode but in integral mode.

2004-03-04  Jan Hubicka  <jh@suse.cz>

        * reload.c (find_reloads): Reorganize if seqeunce to switch.

        * cfgrtl.c (rtl_redirect_edge_and_branch):  Set the source BB as dirty.
        (cfglayout_redirect_edge_and_branch):  Set the source BB as dirty.

2004-03-04  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.md (divdf3_internal_thr): Fix algorithm.
        * testsuite/gcc.dg/20040303-1.c: New test.

2004-03-04  Steven Bosscher  <stevenb@suse.de>

        * ppro.md: Rewrite as a DFA pipeline description.
        * i386.md: Remove all uses of the ppro_uops attribute.
        * i386.c: (ix86_safe_ppro_uops, ix86_dump_ppro_packet,
        ix86_reorder_insn, ix86_sched_reorder_ppro, ix86_sched_init,
        ix86_sched_reorder, ix86_variable_issue,
        struct ix86_sched_data, TARGET_SCHED_VARIABLE_ISSUE,
        TARGET_SCHED_INIT, TARGET_SCHED_REORDER): Remove.
        (ia32_use_dfa_pipeline_interface): Add TARGET_PENTIUMPRO.
        (ia32_multipass_dfa_lookahead): Add TARGET_PENTIUMPRO.
        * athlon.md (athlon_ssecmp_load): Fix comment

2004-03-04  Stuart Hastings  <stuart@apple.com>

        * gcc/doc/invoke.texi: Document -mlongcall for Darwin/PPC.

2004-03-04  Stuart Hastings  <stuart@apple.com>

        * gcc/config/i386/darwin.h: Darwin/x86 doesn't support CPUs before
        686, tell Darwin assembler to allow prefetch insns, non-empty def
        of SUBTARGET_OPTION_TRANSLATE_TABLE.

2004-03-04  DJ Delorie  <dj@redhat.com>

        PR optimization/14282
        * sched-deps.c (sched_analyze_insn): Allow a stack adjustment
        between a call and the assignment of its return value.

2004-03-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c: Put a comment for every function.

2004-03-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Add comments about peephole2's.

2004-03-04  Steven Bosscher  <stevenb@suse.de>

        * i386.h (TARGET_CPU_DEFAULT_nocona): Fix value.

2004-03-04  Jan Hubicka  <jh@suse.cz>

        * cfgcleanup.c (thread_jump): Update call of cselib_init.
        * cselib.c (cselib_record_memory): New static variable.
        (cselib_lookup_mem, cselib_record_set, cselib_record_sets):
        Give up on memories when asked for.
        (cselib_init): Accept new argument.
        * cselib.h (cselib_init): Update prototype.
        * gcse.c (local_cprop_pass): Update call of cselib_init.
        * loop.c (load_mems): Update call of cselib_init.
        * postreload.c (reload_cse_regs_1): Update call of cselib_init.
        * sched-deps.c (sched_analyze): Update call of cselib_init.

2004-03-04  David Edelsohn  <edelsohn@gnu.org>
            GP <gp@qnx.com>

        * config/rs6000/rs6000.c (output_function_profiler): Append @plt
        when compiling PIC.

2004-03-04  Josef Zlomek  <zlomekj@suse.cz>

        PR/14362
        * var-tracking.c (track_expr_p): Do not track variables which
        should be ignored for debugging purposes.

2004-03-04  Alan Modra  <amodra@bigpond.net.au>

        * real.c (encode_ibm_extended): Don't bother rounding low double.
        * c-cppbuiltin.c (builtin_define_float_constants): Tweak MAX
        when fmt->pnan < fmt->p.

2004-03-04  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.h (FUNCTION_ARG_REGNO_P): Fix to check
        only range of valid arg registers and fixed_regs.

2004-03-04  Alan Modra  <amodra@bigpond.net.au>

        PR target/14406
        * config/rs6000/rs6000.md (abstf2, abstf2+1): Delete define_insn.
        (abstf2, abstf2_internal): New define_expand.

2004-03-04  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR optimization/14235
        * expr.c (convert_move): Copy the source to a new pseudo
        when converting from a sub-word source to a larger-than-word
        register which conflicts with the source.

2004-03-03  Zack Weinberg  <zack@codesourcery.com>

        PR 13728
        * c-decl.c (diagnose_mismatched_decls): Issue an error for two
        parameters with the same name, unless one is a forward decl.
        Do not issue a redundant-redeclaration warning for forward
        decls of parameters.

2004-03-04  David Edelsohn  <edelsohn@gnu.org>

        * doc/install.texi (*-ibm-aix*): Document use of Bash to speed up
        configuration.

2004-03-03  Ian Lance Taylor  <ian@wasabisystems.com>

        * ggc-zone.c (ggc_pch_write_object): Don't align file pointer.

2004-03-04  Alan Modra  <amodra@bigpond.net.au>

        * target-def.h (TARGET_OPTF): Delete.
        * c-opts.c (TARGET_OPTF): Define.

2004-03-04  Jan Hubicka  <jh@suse.cz>

        * cselib.c (cselib_finish): Fix another miss-application of my previous
        patch.

2004-03-03  Mike Stump  <mrs@apple.com>

        Add framework support for darwin.

        * c-incpath.c: Include target.h and machmode.h.
        (add_path): Use a consistent style for cpp_dir.  Initialize
        p->construct to 0.
        (add_cpp_dir_path): New.
        (register_include_chains): Add use of extra_includes callback.
        (hook_void_int): Add.
        (target_c_incpath): Add.
        * c-incpath.h (add_cpp_dir_path): New.
        (target_c_incpath_s): Add.
        (target_c_incpath): Add.
        (C_INCPATH_INIT): Add.
        * c-opts.c (c_common_missing_argument,
        c_common_handle_option): Add -F argument processing.
        * c.opt: Add -F argument processing.
        * gcc.c (trad_capable_cpp): Add -F argument processing.
        * cppfiles.c (find_file_in_dir): Update to use construct
        callback.
        (search_path_exhausted, cpp_get_path, cpp_get_buffer,
        cpp_get_prev): New.
        (_cpp_find_file): Use search_path_exhausted.
        (make_cpp_dir): Initialize construct to 0.
        * cpplib.h (missing_header_cb
        cpp_get_path, cpp_get_buffer, cpp_get_file, cpp_get_prev): New.
        (cpp_callbacks): Add missing_header
        (cpp_dir): Add construct.
        * target-def.h: (TARGET_OPTF): New.
        * hooks.c (hook_void_int, hook_void_charptr): Add.
        * hooks.h (hook_void_int, hook_void_charptr): Add.
        * Makefile.in (c-incpath.o) : Add $(TARGET_H) and
        $(MACHMODE_H) dependencies.
        * doc/invoke.texi (Darwin Options): Document -F.
        * doc/tm.texi (TARGET_EXTRA_INCLUDES): Add.
        (TARGET_OPTF): Add.
        * fix-header.c (target_c_incpath): Add.

        * config/darwin-c.c: Add c-incpath.h include.
        (using_frameworks, find_subframework_file,
        find_subframework_header, add_system_framework_path,
        frameworks_in_use, num_frameworks, max_frameworks,
        add_framework, find_framework, struct framework_header,
        framework_header_dirs, framework_construct_pathname,
        find_subframework_file, add_system_framework_path,
        add_framework_path, framework_defaults,
        darwin_register_frameworks, find_subframework_header): Add.
        * config/darwin.h (TARGET_EXTRA_INCLUDES, TARGET_OPTF): New.
        (TARGET_OPTION_TRANSLATE_TABLE): Add -framework support.
        (CPP_SPEC): Add __APPLE_CC__ support.
        * t-darwin (darwin-c.o): Add c-incpath.h dependency.

2004-03-04  Jan Hubicka  <jh@suse.cz>

        * cselib.c (cselib_finish): Fix miss-application of my previous
        patch.

2004-03-03  Kazu Hirata  <kazu@cs.umass.edu>

        * hooks.c (hook_tree_tree_identity): New.
        * hooks.h: Add a prototype for hook_tree_tree_identity.
        * stmt.c (expand_asm_operands): Use targetm.md_asm_clobbers
        instead of MD_ASM_CLOBBERS.
        * system.h (MD_ASM_CLOBBERS): Poison.
        * target-def.h (TARGET_MD_ASM_CLOBBERS): New.
        (TARGET_INITIALIZER): Add TARGET_MD_ASM_CLOBBERS.
        * target.h (gcc_target): Add md_asm_clobbers.
        * config/i386/i386.c (TARGET_MD_ASM_CLOBBERS): New.
        (ix86_md_asm_clobbers): New.
        * config/i386/i386.h (MD_ASM_CLOBBERS): Remove.
        * doc/tm.texi (MD_ASM_CLOBBERS): Change to
        TARGET_MD_ASM_CLOBBERS.

2004-03-03  Stuart Hastings  <stuart@apple.com>

        * gcc/config.gcc: Arrange for Darwin/x86 to build libgcc_eh.a.

2004-03-03  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (noov_compare64_op): Fix typo.

        * config/sparc/sparc.h (ASM_FLOAT): Delete.
        (ASM_DOUBLE): Likewise.
        (ASM_LONGDOUBLE): Likewise.
        * config/sparc/pbd.h (ASM_INT_OP): Delete.

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

        PR opt/13862
        * cselib.c (cselib_record_sets): Don't record multiple sets in
        asm insns.

2004-03-03  Mostafa Hagog  <mustafa@il.ibm.com>

        * common.opt: Add description of the new -fgcse-after-reload flag.

        * flags.h (flag_gcse_after_reload): Declaration of global variable.

        * gcse.c (reg_used_on_edge ,reg_set_between_after_reload_p,
        reg_used_between_after_reload_p, rtx get_avail_load_store_reg,
        is_jump_table_basic_block, bb_has_well_behaved_predecessors,
        get_bb_avail_insn, hash_scan_set_after_reload,
        compute_hash_table_after_reload, eliminate_partially_redundant_loads,
        gcse_after_reload, get_bb_avail_insn): New functions to implement
        gcse-after-reload.
        (gcse_after_reload_main): New function, the main entry point to
        gcse-after-reload.

        * rtl.h (gcse_after_reload_main): Declaration of the new function.

        * opts.c (common_handle_option): Handle the -fgcse-after-reload flag.

        * toplev.c (flag_gcse_after_reload): Initialization.

        * passes.c (rest_of_handl_gcse2): Call gcse_after_reload_main.

        * params.def (PARAM_GCSE_AFTER_RELOAD_PARTIAL_FRACTION,
        PARAM_GCSE_AFTER_RELOAD_CRITICAL_FRACTION): New parameters for tuning
        the gcse after reload optimization.

        * params.h (GCSE_AFTER_RELOAD_PARTIAL_FRACTION,
        GCSE_AFTER_RELOAD_CRITICAL_FRACTION): Two macros to access the tuning
        parameters.

        * doc/invoke.texi: Documentation for the new flag gcse-after-reload.

2004-03-03  Nicolas Pitre <nico@cam.org>

        * config/arm/ieee754-df.S (muldf3, divdf3): Fix denormalization of
        small negative values.

2004-03-03  Jan Hubicka  <jh@suse.cz>

        * cselib.c (hash_table):  Remove GTY marker.
        (reg_values): Turn into array.
        (used_regs): Likewise.
        (n_used_regs): New static variable.
        (reg_values_old): Kill.
        (clear_table): Update uses of arrays.
        (cselib_lookup): Likewise.
        (cselib_record_set): Likewise.
        (cselib_init): Likewise.
        (cselib_finish): Likewise.
        (cselib_udpate_varray_sizes): Kill.
        * cselib.h (cselib_update_varray_sizes): Kill.

2004-03-03  Paul Brook  <paul@codesourcery.com>

        * flow.c (ior_reg_cond, and_reg_cond): Remove stray ")".

2004-03-03  Jan Hubicka  <jh@suse.cz>

        * ggc-common.c (ggc_alloc_cleared_stat, ggc_realloc_stat):
        Rename from ...; make statistics transparent.
        (ggc_alloc_cleared, ggc_realloc_stat): ... these.
        (loc_descriptor): New structure.
        (hash_descriptor, eq_descriptor, loc_descriptor, cmp_statistics,
        add_statistics):
        New static function.
        (ggc_record_overhead, dump_statistics): New global function.
        * ggc-none.c (ggc_alloc_types_stat, ggc_alloc_stat, ggc_alloc_zone_stat,
        ggc_alloc_cleared_stat, ggc_realloc_stat, ggc_alloc_typed_stat): Rename
        from ...; accept locations
        (ggc_alloc_types, ggc_alloc, ggc_alloc_zone, ggc_alloc_cleared,
        ggc_realloc, ggc_alloc_typed):  ... this one.
        from ...; accept locations
        * ggc-page.c (ggc_alloc_typed_stat, ggc_alloc_zone_stat,
        ggc_alloc_stat): Rename from ... ; pass locations
        * ggc-page.c (ggc_alloc_typed, ggc_alloc_zone, ggc_alloc):
        ... this one.
        (ggc_alloc_stat): Record overehead.
        * ggc.h (ggc_alloc_types, ggc_alloc, ggc_alloc_zone, ggc_alloc_cleared,
        ggc_realloc, ggc_alloc_typed):  Turn to macros
        (ggc_alloc_types_stat, ggc_alloc_stat, ggc_alloc_zone_stat,
        ggc_alloc_cleared_stat, ggc_realloc_stat, ggc_alloc_typed_stat): Declare.
        (dump_ggc_loc_satistics, ggc_record_overehead): Declare.
        * langhooks.h (lhd_make_node): Declare.
        (LANG_HOOKS_MAKE_TYPE): Default to new function,
        * langhooks.c (lhd_make_node): New.
        * rtl.c (rtx_alloc_stat, swallow_copy_rtx_stat): Rename from ... ; pass
        locations.
        (rtx_alloc, swallow_copy_rtx): ... this one.
        * rtl.h (rtx_alloc, swallow_copy_rtx): Turn to macros.
        * rtl.c (rtx_alloc_stat, swallow_copy_rtx_stat): Declare.
        * toplpev.c (finalize): Dump stats.
        * tree.c (make_node_stat, copy_node_stat, make_tree_vec_stat,
        build_tree_list_stat, tree_cons_stat, build?_stat,  build_decl_stat):
        Rename from ... ; pass locators.
        (make_node, copy_node, make_tree_vec, build_tree_list, tree_cons,
        build?,  build_decl): Declare.
        * tree.h (make_node_stat, copy_node_stat, make_tree_vec_stat,
        build_tree_list_stat, tree_cons_stat, build?_stat,  build_decl_stat):
        Declare.
        (make_node, copy_node, make_tree_vec, build_tree_list, tree_cons,
        build?,  build_decl): New macros.
        * Makefile.in (RTL_H, TREE_H): Add statistics.h dependency.
        * statistics.h: New file.

2004-03-03  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>
            Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (MASK_FIX_SB1): Bump.
        (MASK_FIX_R4400, TARGET_FIX_R4400): New macros.
        (TARGET_SWITCHES): Add -mfix-r4400 and -mno-fix-r4400.
        * config/mips/mips.c (mips_output_division): Fill the branch delay
        slot with a nop if TARGET_FIX_R4000.  Extend R4000 workarounds to
        TARGET_FIX_R4400.
        (mips_output_division): Adjust accordingly.
        (override_options): Make -march=r4400 imply -mfix-r4400 by default.
        * doc/invoke.texi: Document -mfix-r4400 and new errata workarounds.

2004-03-03  Paolo Bonzini  <bonzini@gnu.org>

        * alias.c (rtx_equal_for_memref_p): Use predicates
        to test rtx classes and new rtx class codes, possibly
        splitting conditionals that tested against '<' and 'o'.
        * caller-save.c (save_call_clobbered_regs): Likewise.
        * combine.c (contains_muldiv, find_split_point, subst,
        combine_simplify_rtx, simplify_if_then_else,
        simplify_set, simplify_logical, expand_compound_operation,
        make_compound_operation, if_then_else_cond, known_cond,
        apply_distributive_law, cached_nonzero_bits,
        cached_num_sign_bit_copies, simplify_shift_const,
        gen_binary, simplify_comparison, update_table_tick,
        record_value_for_reg, get_lsat_value_validate): Likewise.
        * cse.c (mention_regs, find_best_addr, find_comparison_args,
        fold_rtx, cse_insn, invalidate_memory, cse_basic_block):
        Likewise.
        * emit-rtl.c (copy_insn_1): Likewise.
        * expr.c (force_operand): Likewise.
        * final.c (final_scan_insn, get_mem_expr_from_op): Likewise.
        * flow.c (notice_stack_pointer_modification_1,
        invalidate_mems_from_autoinc, ior_reg_cond, not_reg_cond,
        and_reg_cond, elim_reg_cond): Likewise.
        * function.c (update_epilogue_consts): Likewise.
        * genattrtab.c (attr_rtx_1): Likewise.
        * genopinit.c (gen_insn): Likewise.
        * integrate.c (subst_constants): Likewise.
        * jump.c (reversed_comparison_code_parts,
        reversed_comparison_code, delete_related_insns,
        rtx_renumbered_equal_p): Likewise.
        * local-alloc.c (block_alloc): Likewise.
        * loop.c (rtx_equal_for_prefetch_p, maybe_eliminate_biv,
        canonicalize_condition): Likewise.
        * loop-iv.c (simplify_using_conditions, iv_number_of_iterations):
        Likewise.
        * optabs.c (add_equal_node, expand_binop): Likewise.
        * predict.c (estimate_probability): Likewise.
        * ra-debug.c (ra_print_rtx_2op, ra_print_rtx): Likewise.
        * recog.c (validate_replace_rtx_1, comparison_operator,
        offsettable_address_p, constrain_operands): Likewise.
        * reg-stack.c (swap_rtx_condition_1, subst_stack_regs_pat):
        Likewise.
        * regclass.c (scan_one_insn): Likewise.
        * regmove.c (stable_and_no_regs_but_for_p): Likewise.
        * regrename.c (kill_autoinc_value): Likewise.
        * reload.c (find_reusable_reload, find_reloads,
        reg_overlap_mentioned_for_reload_p): Likewise.
        * reload1.c (gen_reload, delete_address_reloads_1): Likewise.
        * rtl.c (copy_rtx): Likewise.
        * rtl.h (CONSTANT_P, INSN_P): Likewise.
        * rtlanal.c (commutative_operand_precedence): Likewise.
        * sched-deps.c (conditions_mutex_p): Likewise.
        * sched-rgn.c (is_cfg_nonregular): Likewise.
        * simplify-rtx.c (simplify_gen_binary,
        simplify_gen_relational, simplify_replace_rtx,
        simplify_unary_operation, simplify_binary_operation,
        simplify_ternary_operation, simplify_rtx): Likewise.
        * unroll.c (reg_dead_after_loop): Likewise.
        * config/alpha/alpha.c (alpha_swapped_comparison_operator,
        print_operand): Likewise.
        * config/arc/arc.c (proper_comparison_operator): Likewise.
        * config/arm/arm.c (arm_arm_address_cost, arm_select_cc_mode):
        Likewise.
        * config/avr/avr.c (_reg_unused_after): Likewise.
        * config/frv/frv.c (frv_ifcvt_modify_tests,
        frv_ifcvt_modify_insn, frv_pack_insn): Likewise.
        * config/i386/i386.c (ix86_comparison_operator,
        ix86_carry_flag_operator, fcmov_comparison_operator,
        arith_or_logical_operator, print_operand,
        ix86_expand_binary_operator, ix86_binary_operator_ok):
        Likewise.
        * config/i386/i386.md: Likewise.
        * config/ia64/ia64.c (not_postinc_memory_operand,
        ia64_print_operand, update_set_flags, errata_emit_nops):
        Likewise.
        * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS,
        CONSTRAINT_OK_FOR_S): Likewise.
        * config/ip2k/ip2k.c (mdr_resequence_xy_yx,
        mdr_try_move_dp_reload, ip2k_check_can_adjust_stack_ref,
        ip2k_xexp_not_uses_reg_for_mem, ip2k_xexp_not_uses_reg_p,
        ip2k_composite_xexp_not_uses_reg_p, ip2k_unary_operator):
        Likewise.
        * config/iq2000/iq2000.c (cmp_op, symbolic_expression_p,
        eqne_comparison_operator, signed_comparison_operator):
        Likewise.
        * config/mips/mips.c (cmp_op, symbolic_expression_p):
        Likewise.
        * config/mmix/mmix (mmix_foldable_comparison_operator,
        mmix_comparison_operator): Likewise.
        * config/pa/pa.c (hppa_legitimize_address): Likewise.
        * config/rs6000/rs6000.c (stmw_operation,
        branch_comparison_operator, trap_comparison_operator,
        ccr_bit): Likewise.
        * config/rs6000/rs6000.h (SELECT_CC_MODE): Likewise.
        * config/s390/s390.c (s390_alc_comparison,
        s390_slb_comparison):L Likewise.
        * config/sh/sh.c (gen_block_redirect, reg_unused_after):
        Likewise.
        * config/sparc/sparc.c (eq_or_neq, normal_comp_operator,
        noov_compare_op, noov_compare64_op, v9_regcmp_op,
        emit_hard_tfmode_operation, reg_unused_after)
        * doc/md.texi, doc/rtl.texi: Likewise.

        * ra-debug.c: Add 2004 to list of copyright years.
        * unroll.c: Likewise.

        * combine.c (simplify_logical): Remove dummy test,
        (apply_distributive_law): Fix typo in comment.
        GET_CODE (x) == AND so x is a commutative binary op.
        * jump.c (delete_related_insns): simplify loop
        condition, move testing of RTX codes inside the loop.
        (rtx_renumbered_equal_p): do not use RTX_CODE.
        * rtl.c (rtx_class): Declare as enum rtx_class.
        * rtl.def (EQ, NE, UNEQ, LTGT, UNORDERED, ORDERED):
        Move to RTX_COMM_COMPARE class.
        (HIGH, SYMBOL_REF, LABEL_REF, CONST, CONST_INT, CONST_DOUBLE):
        Move to RTX_CONST_OBJ class.
        * rtl.h (enum rtx_class): New declaration,
        (RTX_OBJ_MASK, RTX_OBJ_RESULT, RTX_COMPARE_MASK,
        RTX_COMPARE_RESULT, RTX_ARITHMETIC_MASK, RTX_ARITHMETIC_RESULT,
        RTX_BINARY_MASK, RTX_BINARY_RESULT, RTX_COMMUTATIVE_MASK,
        RTX_COMMUTATIVE_RESULT, RTX_NON_COMMUTATIVE_RESULT,
        RTX_EXPR_FIRST, RTX_EXPR_LAST, UNARY_P, BINARY_P,
        ARITHMETIC_P, COMMUTATIVE_ARITHMETIC_P, COMPARISON_P,
        SWAPPABLE_OPERANDS_P, NON_COMMUTATIVE_P, COMMUTATIVE_P,
        OBJECT_P): New macros.
        * config/sparc/sparc.c (noov_compare_op): Remove register
        from parameter.

2004-03-03  Kazu Hirata  <kazu@cs.umass.edu>

        * target.h: Remove texi jargons in comments.

2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/lib1funcs.asm (___fixunssfsi): Change the
        threshold to 0x4f.

        Revert:
        2004-02-27  Kazu Hirata  <kazu@cs.umass.edu>
        * config/h8300/fixunssfsi.c (__fixunssfsi): Enable on H8/300
        as well.
        * config/h8300/lib1funcs.asm (___fixunssfsi): Remove.
        * config/h8300/t-h8300 (LIB1ASMFUNCS): Remove _fixunssfsi_asm.

2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/md.texi (cbranchmode4): New.

2004-03-02  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips16.S: Change fixsfsi and fixdfsi to
        fix_trunc.
        * config/mips/mips.c (mips_init_libfuncs): Change accordingly.
        * config/mips/t-elf (LIB1ASMFUNCS): Ditto.
        * config/mips/t-isa3264 (LIB1ASMFUNCS): Ditto.
        * config/mips/t-r3900 (LIB1ASMFUNCS): Ditto.

2004-03-02  Richard Henderson  <rth@redhat.com>

        PR middle-end/11767
        * coverage.c (coverage_counter_ref): Set MEM_NOTRAP_P.
        * optabs.c (prepare_cmp_insn): Force trapping memories to registers
        before the compare, if flag_non_call_exceptions.

2004-03-02  Richard Henderson  <rth@redhat.com>

        PR middle-end/14327
        * stmt.c (expand_computed_goto): Do do_pending_stack_adjust before
        emitting the label, not after.

2004-03-02  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (m68hc11_addr_mode): New variable.
        (m68hc11_mov_addr_mode): Likewise.
        (m68hc11_override_options): Initialize them based on target.
        (register_indirect_p): Allow a MEM for indirect addressing modes and
        use flags to control what is allowed.
        (m68hc11_small_indexed_indirect_p): Use m68hc11_mov_addr_mode for
        supported addressing modes.
        (m68hc11_register_indirect_p): Use m68hc11_addr_mode.
        (go_if_legitimate_address_internal): Likewise.
        (m68hc11_indirect_p): Likewise and check the mode.
        (print_operand): Allow a (MEM (MEM)) and generate indirect addressing.

2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c (BUILTIN_SETJMP_FRAME_VALUE): Remove.
        (expand_builtin_setjmp_setup): Use
        targetm.builtin_setjmp_frame_value instead of
        BUILTIN_SETJMP_FRAME_VALUE.
        * system.h (BUILTIN_SETJMP_FRAME_VALUE): Poison.
        * target-def.h (TARGET_BUILTIN_SETJMP_FRAME_VALUE): New.
        (TARGET_INITIALIZER): Add TARGET_BUILTIN_SETJMP_FRAME_VALUE.
        * target.h (gcc_target): Add builtin_setjmp_frame_value.
        * targhooks.c (default_builtin_setjmp_frame_value): New.
        * targhooks.h: Add a prototype for
        default_builtin_setjmp_frame_value.
        * doc/tm.texi (BUILTIN_SETJMP_FRAME_VALUE): Change to
        TARGET_BUILTIN_SETJMP_FRAME_VALUE.

2004-03-02  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md (move peephole2): New peepholes to optimize
        sequences of moves.
        (add peepholes): New peepholes to optimize sequences adding small
        constants.
        (bset peepholes): New peepholes to transform an OR in a bset form
        (bclr peepholes): Likewise for bclr form.
        (cmp peepholes): New peepholes to avoid register copies when comparing.

2004-03-02  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md ("*pushdi_internal"): New insn and split
        to separate push from moves.
        ("*pushdf_internal"): Likewise.
        ("*pushsf_internal"): Likewise.
        ("*pushsi_internal"): Likewise.
        ("movdi_internal"): Use define_insn_and_split; non push operand.
        ("movdf_internal"): Likewise.
        ("movsf_internal"): Likewise.
        ("movsi_internal"): Likewise.
        ("*movhi_68hc12", "*addhi3_68hc12"): Fix and tune constraints
        ("*addhi3", "*subhi3", "*andhi3_mem", "*iorhi3_mem"): Likewise.
        ("*ashlsi3_const1", "*lshrsi3_const1"): Likewise.

2004-03-02  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md ("tstqi_z_used"): Use define_insn_and_split.
        ("cmphi_z_used", "cmpqi_z_used"): Likewise.
        ("movstrictsi", "movstricthi", "movstrictqi"): Likewise.
        ("anddi3", "andsi3", "iordi3", "iorsi3"): Likewise.
        ("xordi3", "xorsi3", "*logicalsi3_zexthi"): Likewise.
        ("*logicalsi3_zextqi", "*logicalhi3_zexthi_ashift8"): Likewise.
        ("logicalhi3_zexthi", "*logicalsi3_silshr16"): Likewise.
        ("*logicalsi3_silshl16", "*logicalsi3_silshl16_zext"): Likewise.
        ("*ashldi3_const32", "*ashldi3_const1", "addsi_silshr16"): Likewise.
        ("addsi_andshr16", "*ashlsi3_const16_zexthi"): Likewise.
        ("*lshrdi3_const32", "*lshrdi_const1"): Likewise.

2004-03-02  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md (SOFT_TMP_REGNUM): Define.
        (SOFT_XY_REGNUM): Define.
        (cmp split): Use the above instead of hard coded numbers.
        (8-bit op split): No need to check the mode; allow Q_REG.
        (ashift split): Adjust the first operand if it uses the SP and we
        are pushing the shifted value.
        (plus shift split): Fix when a source is in register D+X.
        ("doloop_end"): Pass dummy arguments to gen_rtx_NE.

2004-03-02  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Fix when
        comparing with Z register.

2004-03-02  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cfgloop.h (struct loop_desc): Removed.
        (struct loop): Fields simple, desc and has_desc removed.
        (simple_loop_p, count_loop_iterations): Declaration removed.
        * cfgloopanal.c (struct unmark_altered_insn_data): Removed.
        (unmark_altered, blocks_invariant_registers, unmark_altered_insn
        blocks_single_set_registers, invariant_rtx_wrto_regs_p_helper,
        invariant_rtx_wrto_regs_p, test_for_iteration, constant_iterations,
        simple_loop_exit_p, variable_initial_value, variable_initial_values,
        simple_condition_p, simple_increment, count_strange_loop_iterations,
        inverse, fits_in_mode_p, simple_loop_p, count_loop_iterations):
        Removed.
        * loop-iv.c (check_simple_exit, find_simple_exit): Update comments.

2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * genattrtab.c: Don't handle MATCH_INSN.
        * genrecog.c: Likewise.
        * gensupport.c: Likewise.
        * rtl.def (match_insn): Remove.
        * doc/md.texi (match_insn, match_insn2): Remove.

2004-03-02  Mark Mitchell  <mark@codesourcery.com>

        * doc/c-tree.texi (DECL_ASSEMBLER_NAME): Mention that using this
        macro results in memory allocation.

2004-03-02  David O'Brien  <obrien@FreeBSD.org>

        * config/freebsd-spec.h (FBSD_DYNAMIC_LINKER): Add.
        * config/alpha/freebsd.h (SUBTARGET_EXTRA_SPECS): Define
        %(fbsd_dynamic_linker),
        (LINK_SPEC): Use %(fbsd_dynamic_linker), and sync style with
        config/i386/freebsd.h
        * config/arm/freebsd.h: Ditto.
        * config/i386/freebsd.h: Ditto.
        * config/i386/freebsd64.h: Ditto.
        * config/ia64/freebsd.h: Ditto.
        * config/rs6000/sysv4.h: Ditto.
        * config/sparc/freebsd.h: Ditto.

2004-03-02  Loren James Rittle  <ljrittle@acm.org>

        * gcc/doc/install.texi (*-*-freebsd*): Update target information.

2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * rtl.def (define_combine): Remove.

2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Tweak formatting.

2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*cmphi_h8300): Rename to
        *cmphi_h8300_znvc.
        (*cmphi_h8300hs): Rename to *cmphi_h8300hs_znvc.

2004-03-01  Mark Mitchell  <mark@codesourcery.com>

        PR bootstrap/14356
        * gcc.c (process_command): Remove const-qualification from argv.
        (main): Likewise.

2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (pushqi1_h8300hs): Rename to
        pushqi1_h8300hs_advanced.  Adjust its caller.
        (pushhi1_h8300hs): Rename to pushhi1_h8300hs_advanced.
        Adjust its caller.

2004-03-02  Nicolas Roche  <roche@act-europe.fr>

        * Makefile.in (install-libgcc, install-multilib): Pass
        mkinstalldirs var to libgcc.mk.

2004-03-01  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (DBX_OUTPUT_STANDARD_TYPES): Poison.
        * doc/tm.texi (DBX_OUTPUT_STANDARD_TYPES): Remove.

2004-03-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (gtle_operator): Accept GT and LE.
        * config/h8300/h8300.md: Split several peephole2's, each into
        two.

2004-03-02  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * dominance.c (recount_dominator): Handle postdominators.

2004-03-01  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips-protos.h (enum mips_symbol_type): Move from mips.h.
        (NUM_SYMBOL_TYPES): Likewise.
        (SYMBOL_64_HIGH, SYMBOL_64_MID, SYMBOL_64_LOW): New symbol types.
        (mips_unspec_address): Declare.
        (mips_gotoff_page, mips_gotoff_global): Delete.
        * config/mips/mips.h (PREDICATE_CODES): Add general_symbolic_operand.
        * config/mips/mips.c (enum mips_symbol_type, NUM_SYMBOL_TYPES): Delete.
        (mips_symbolic_constant_p, mips_symbolic_address_p)
        (mips_symbol_insns): Handle new symbol types.
        (general_symbolic_operand): New predicate.
        (mips_unspec_address): Make extern.
        (mips_gotoff_page, mips_gotoff_global): Delete.
        (override_options): Allow -mabi=64 -mno-abicalls -mexplicit-relocs.
        Handle new symbol types.
        * config/mips/mips.md (*lea_high64, *lea64): New patterns.
        (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_disp[sd]i): Call
        mips_unspec_address directly.
        * doc/invoke.texi: Remove the -mabi=64 -mno-abicalls exception from
        the documentation of -mexplicit-relocs.

2004-03-01  Jeff Law  <law@redhat.com>

        * fold-const.c (fold): An equality comparison of a non-weak object
        against zero has a known result.  Similarly an equality comparison
        of the address of two non-weak, unaliased symbols has a known result.

        * ggc-page.c (struct page_entry): New field PREV.
        (ggc_alloc): Update PREV field appropriately.
        (sweep_pages): Likewise.
        (ggc_free): Likewise.  Use PREV field rather than loop to
        improve ggc_free performance.

2004-03-01  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_output_division): Use the division
        instruction to fill the delay slot of a zero check.
        (mips_idiv_insns): Adjust accordingly.

2004-03-01  Nathanael Nerode  <neroden@gcc.gnu.org>

        * config.gcc: Create a default tmake_file for linux, and use
        it in all but two linux clauses.  Comment those two.

2004-03-01  Paolo Bonzini  <bonzini@gnu.org>

        * combine.c (try_combine):  Do not refer to is_replaced.
        (gen_lowpart_for_combine):  Perverse subregs now have a
        more politically correct name.
        * cse.c (cse_insn): Likewise.
        * jump.c: Fix bogus reference to delete_insn.

2004-02-29  Mark Mitchell  <mark@codesourcery.com>

        PR debug/14328
        * dwarf2out.c (gen_enumeration_type_die): Output all enumeration
        constants as signed values.

        PR middle-end/13448
        * c-tree.h (readonly_warning): Rename to ...
        (readonly_error): ... this.
        * c-typeck.c (build_unary_op): Adjust accordingly.
        (readonly_warning): Rename to ...
        (readonly_error): ... this and issue errors, not warnings.
        (build_modify_expr): Call readonly_error, not readonly_warning.
        (c_expand_asm_operands): Likewise.
        * tree-inline.c (optimize_inline_calls): Do not inline functions
        after errors have occurred.

2004-02-29  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.ac: Rearrange some threading code for clarity;
        add section comment.
        * configure: Regenerate.

2004-02-29  Kazu Hirata  <kazu@cs.umass.edu>

        * passes.c, config/frv/frv.c, config/sh/sh.c: Fix comment
        typos.
        * doc/cppopts.texi: Fix a typo.

2004-02-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/i386/i386.md: Fix formatting.

2004-02-29  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.ac: Add some comments delineating sections of code.

        * doc/install.texi: Note that libada uses autoconf 2.57 also.

        * doc/install.texi: Fix idiot typo in previous commit.

        * doc/install.texi: Update for conversion of intl to autoconf 2.57.

2004-02-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Add comments about peephole2's.

2004-02-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Tweak operand numbers of some
        peephole2's.

2004-02-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Tweak comments about peephole2's.

2004-02-29  Waldek Hebisch  <hebisch@math.uni.wroc.pl>

        PR middle-end/14203
        * function.c (uninitialized_vars_warning): Use DECL_RTL_SET_P
        instead of testing whether DECL_RTL is not NULL.

2004-02-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/sh/sh.c: Fix formatting.

2004-02-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/sh/sh.c: Convert to ISO-C.

2004-02-28  Andrew Pinski  <pinskia@physics.uc.edu>

        * c-typeck.c (tagged_types_tu_compatible_p): Fix pasto in
        my previous patch.

        * config/darwin.h (machopic_finish): Output stub even if the
        symbol is already defined.

2004-02-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa64-hpux.h (LIB_SPEC): Fix linking under HP-UX 11.00 with -p and -pg.

2004-02-28  Kazu Hirata  <kazu@cs.umass.edu>

        * genattr.c (main): Don't define
        TRADITIONAL_PIPELINE_INTERFACE or DFA_PIPELINE_INTERFACE.
        * system.h (TRADITIONAL_PIPELINE_INTERFACE): Poison.
        (DFA_PIPELINE_INTERFACE): Likewise.
        * doc/tm.texi (TRADITIONAL_PIPELINE_INTERFACE): Remove.
        (DFA_PIPELINE_INTERFACE): Likewise.

2004-02-28  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (tstsi, tstdi): Delete.

2004-02-28  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>

        * config/mips/mips.c (override_options): Remove an obsolete
        duplicate definition of the "e" constraint.
        * config/mips/mips.h: Update a comment accordingly.

2004-02-28  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>

        * config/mips/mips.md: Complete the unfinished R4000
        multiply/shift errata workaround.  Improve documentation.
        (hazard): Use TARGET_FIX_R4000 to decide whether an "imul" instruction
        has a hilo hazard.
        (mulsi3, mulsi3_internal, mulsi3_r4000): Use TARGET_FIX_R4000.
        (muldi3, muldi3_internal): Likewise.
        (muldi3_internal2): Remove, replacing with...
        (muldi3_mult3, muldi3_r4000): ...these new patterns.
        (mulsidi3): Take the errata into account.
        (mulsidi3_32bit): Remove, replacing with...
        (mulsidi3_32bit_internal, mulsidi3_32bit_r4000): ...these new patterns.
        (mulsidi3_64bit, mulsidi3_64bit_parts): Disable if TARGET_FIX_R4000.
        (umulsidi3): Take the errata into account.
        (umulsidi3_32bit): Remove, replacing with..
        (umulsidi3_32bit_internal, umulsidi3_32bit_r4000): ...these patterns.
        (umulsi3_highpart, umulsi3_highpart_internal): Disable if
        TARGET_FIX_R4000.
        (smulsi3_highpart, smulsi3_highpart_internal): Likewise.
        (smuldi3_highpart, umuldi3_highpart): Likewise.
        * doc/invoke.texi: Document the errata workaround.

2004-02-28  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>

        * config/mips/mips-protos.h (mips_idiv_insns): Declare.
        * config/mips/mips.h (MASK_FIX_SB1): Bump.
        (MASK_FIX_R4000, TARGET_FIX_R4000): New macros.
        (TARGET_SWITCHES): Add -mfix-r4000 and -mno-fix-r4000.
        * config/mips/mips.c (mips_idiv_insns): New function.
        (override_options): Make -march=r4000 imply -mfix-r4000 by default.
        (mips_output_division): Add a workaround for the R4000 divide/shift
        errata.
        * config/mips/mips.md (length): Use mips_idiv_insns() to calculate
        the length of an "idiv" instruction.
        * doc/invoke.texi: Document the new switches.

2004-02-28  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/tm.texi (IS_COSTLY_DEPENDENCE): Change to
        TARGET_SCHED_IS_COSTLY_DEPENDENCE.

2004-02-28  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR optimization/14229
        * cfgrtl.c (rtl_tidy_fallthru_edge): Do not fail for !onlyjump jump.

2004-02-28  Eric Botcazou  <ebotcazou@act-europe.fr>

        * fold-const.c (fold): Strip NOPs that change the signedness
        for RSHIFT too.  Expand comment.

2004-02-27  Ian Lance Taylor  <ian@wasabisystems.com>

        PR optimization/7871
        * flow.c (mark_set_1): Don't add LOG_LINKS for global registers
        from or to call insns.

2004-02-27  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR optimization/7871
        * flow.c (propagate_one_insn): Interpret calls as setting global
        registers, not merely clobbering them.

2004-02-27  Dale Johannesen  <dalej@apple.com>

        * config/darwin.c (machopic_output_possible_stub_label):  Remove.
        config/darwin-protos.h:  Ditto.
        config/darwin.h:  Remove call to it.
        * combine.c (distribute_notes): Do not place a REG_DEAD note
        when value is both set and used.

2004-02-27  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/fixunssfsi.c (__fixunssfsi): Enable on H8/300
        as well.
        * config/h8300/lib1funcs.asm (___fixunssfsi): Remove.
        * config/h8300/t-h8300 (LIB1ASMFUNCS): Remove _fixunssfsi_asm.

2004-02-27  Andrew Pinski  <apinski@apple.com>

        * c-typeck.c (tagged_types_tu_compatible_p) <ENUMERAL_TYPE>:
        Speedup common case of the type values being in the same order.

2004-02-27  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.h (no-inline-float-divide): New option.
        * config/ia64/ia64.h (no-inline-int-divide): New option.
        * config/ia64/ia64.h (no-inline-sqrt): New option.
        (TARGET_DEFAULT): Add MASK_INLINE_FLOAT_DIV_THR to define.
        * config/ia64/hpux.h (TARGET_DEFAULT): Ditto.
        * config/ia64/ia64.c (ia64_override_options): Modify error
        checking for inlined division/sqrt.

2004-02-27  Kazu Hirata  <kazu@cs.umass.edu>

        * bb-reorder.c, cfgbuild.c, diagnostic.c, explow.c, profile.c,
        ra-build.c, read-rtl.c, tracer.c, unwind-dw2-fde-glibc.c,
        value-prof.c, config/darwin-protos.h, config/frv/frv-abi.h,
        config/i386/pmmintrin.h, config/pa/pa-hpux.h: Update
        copyright.

2004-02-27  Paul Brook  <paul@codesourcery.com>

        * function.c (assign_parms): Don't count pretend args for alignment.

2004-02-27  Richard Henderson  <rth@redhat.com>

        * passes.c: New file.
        * Makefile.in (OBJS-common): Add it.
        * diagnostic.c (rtl_dump_and_exit): Move decl ...
        * flags.h (rtl_dump_and_exit): ... here.
        * output.h (size_directive_output, last_assemble_variable_decl):
        Move from toplev.c.
        * rtl.h (reg_alloc): Move from toplev.c.
        * toplev.c (HAVE_conditional_execution, DUMPFILE_FORMAT,
        struct dump_file_info, enum dump_file_index, dump_file_tbl,
        open_dump_file, close_dump_file, rest_of_decl_compilation,
        rest_of_type_compilation, rest_of_handle_final,
        rest_of_handle_delay_slots, rest_of_handle_stack_regs,
        rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
        rest_of_handle_new_regalloc, rest_of_handle_old_regalloc,
        rest_of_handle_regrename, rest_of_handle_reorder_blocks,
        rest_of_handle_sched, rest_of_handle_sched2, rest_of_handle_regmove,
        rest_of_handle_tracer, rest_of_handle_if_conversion,
        rest_of_handle_if_after_combine, rest_of_handle_web,
        rest_of_handle_branch_prob,
        rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
        rest_of_handle_addressof, rest_of_handle_sibling_calls,
        rest_of_handle_jump_bypass, rest_of_handle_inlining,
        rest_of_handle_null_pointer, rest_of_handle_combine,
        rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
        rest_of_handle_gcse, rest_of_handle_loop_optimize,
        rest_of_handle_loop2, rest_of_compilation): Move to passes.c.
        (decode_d_option): Use enable_rtl_dump_file.
        (compile_file, finalize, do_compile): Move profile+combine+graph
        cleanup to finish_optimization_passes.
        * toplev.h (init_optimization_passes, finish_optimization_passes,
        enable_rtl_dump_file): Declare.

2004-02-27  Eric Botcazou  <ebotcazou@act-europe.fr>
            Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold): Revert 2004-02-25 change.  Use the original
        operands to build a tree with swapped operands.
        * expr.c (expand_expr_real) <MAX_EXPR>: Consistently use the
        'unsignedp' predicate to specify the signedness.

2004-02-27  Kazu Hirata  <kazu@cs.umass.edu>

        * c-decl.c, c-ppoutput.c, combine.c, cppfiles.c, dwarf2out.c,
        expr.c, fold-const.c, gcc.c, haifa-sched.c, loop-iv.c,
        params.def, read-rtl.c, rtl.c, rtlanal.c, toplev.c: Fix
        comment typos and formatting.  Follow spelling conventions.

2004-02-26  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md: Add fixuns_truncsfsi2 and
        fix_truncsfsi2.

        * config/rs6000/spe.md: Delete spe_efsctuiz.
        Add spe_fixuns_truncsfsi2.
        Add spe_fix_truncsfsi2.

2004-02-26  Eric Christopher  <echristo@redhat.com>

        * c-lex.c (c_lex_string_translate): New variable.
        (lex_string): Use to determine string translation.
        * c-pragma.h: Prototype.
        * c-parse.in (start_string_translation): New. Set above.
        (stop_string_translation): Ditto.
        (attribute, attribute_list, asm_def, asm_stmt,
        asm_operand): Use above functions.
        * cp/parser.c (cp_parser_declaration): Translate strings
        unless token is RID_EXTERN. Set c_lex_string_translate
        for recursive use.
        (cp_parser_asm_definition): Only translate argument strings
        to asms.
        (cp_parser_asm_operand_list): Ditto.
        (cp_parser_attribute_list): Do not translate attribute strings.

2004-02-26  Kazu Hirata  <kazu@cs.umass.edu>

        * stmt.c (expand_start_case_dummy): Remove.
        * tree.h: Remove the corresponding prototype.

2004-02-26  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c (apply_args_register_offset): Remove.
        * tree.h: Remove the corresponding prototype.

2004-02-26  Kazu Hirata  <kazu@cs.umass.edu>

        * stor-layout.c (is_pending_size): Remove.
        * tree.h: Remove the corresponding prototype.

2004-02-26  Kazu Hirata  <kazu@cs.umass.edu>

        * recog.c (validate_replace_src): Remove.
        * recog.h: Remove the corresponding prototype.

2004-02-26  Kazu Hirata  <kazu@cs.umass.edu>

        * calls.c: Don't reference FINAL_REG_PARM_STACK_SPACE or
        MAYBE_REG_PARM_STACK_SPACE.
        * function.c: Likewise.
        * system.h (FINAL_REG_PARM_STACK_SPACE): Poison.
        (MAYBE_REG_PARM_STACK_SPACE): Likewise.
        * doc/tm.texi (FINAL_REG_PARM_STACK_SPACE): Remove.
        (MAYBE_REG_PARM_STACK_SPACE): Likewise.

2004-02-26  Kazu Hirata  <kazu@cs.umass.edu>

        * c-decl.c (c_expand_deferred_function): Remove.
        * c-tree.h: Remove the corresponding prototype.

2004-02-26  Kazu Hirata  <kazu@cs.umass.edu>

        * postreload.c (reload_cse_move2add): Generate just a PLUS
        instead of an entire SET.

2004-02-26  Jan Hubicka  <jh@suse.cz>

        * config.gcc: Add support for nocoma/prescott/pentium-m/pentium3m
        /pentium4m.
        * i386.c (override_options): Add support for new CPUs.
        * i386.h (TARGET_CPU_DEFAULT_NAMES): New names.
        (TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_pentium4e): New
        constants.
        * invoke.texi: Extend documentation of -mtune/-march for new CPUs.

2004-02-26  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.h (TARGET_CPU_CPP_BUILTINS): Define __xtensa__.

2004-02-26  Eric Botcazou  <ebotcazou@act-europe.fr>

        * config/sparc/sparc-protos.h (sparc_emit_floatunsdi): Add 'mode'.
        (sparc_emit_fixunsdi): New prototype.
        * config/sparc/sparc.c (sparc_emit_floatunsdi): Use 'mode' argument.
        (sparc_emit_fixunsdi): New function.
        * config/sparc/sparc.md (floatunsdisf2): Use 'general_operand' for
        operand 1.  Pass SFmode to sparc_emit_floatunsdi.
        (floatunsdidf2): Use 'general_operand' for operand 1.  Pass DFmode
        to sparc_emit_floatunsdi.
        (fixuns_truncsfdi2): New expander.
        (fixuns_truncdfdi2): Likewise.

2004-02-26  Alan Modra  <amodra@bigpond.net.au>

        * gcse.c (delete_null_pointer_checks_1): Do not delete CC setter
        unless HAVE_cc0.

2004-02-25  Richard Henderson  <rth@redhat.com>

        * explow.c (force_reg): Call mark_reg_pointer as appropriate.
        * config/alpha/alpha.c (alpha_emit_conditional_branch): Don't
        use (op0-op1) == 0 if op0 is a pointer.
        * config/alpha/alpha.md (cmpdi): Use some_operand.
        (three comparison combine splits): Remove.

2004-02-25  Richard Henderson  <rth@redhat.com>

        PR c/12794
        * c-common.c (handle_alias_attribute): Reject the attribute if
        current_function_decl is set.

2004-02-25  Kelley Cook  <kcook@gcc.gnu.org>

        * config.gcc: Add comment describing extra_gcc_objs.
        i[34567]86-*-cygwin*): Replace host_extra_gcc_objs with extra_gcc_objs.
        * configure.ac (extra_gcc_objs): New substitution variable.
        (host_extra_gcc_objs): Don't substitute.
        * configure: Regenerate.
        * Makefile.in: Use extra_gcc_objs.

2004-02-25  Kelley Cook  <kcook@gcc.gnu.org>

        * doc/contrib.texi: Add an entry for myself.

2004-02-25  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (make_eh_edge, break_superblocks): Declare.
        * cfgbuild.c (make_eh_edge):  Make global.
        * cfglayout.c (break_superblocks): Likewise; fix memory leak.
        * except.c (build_post_landing_pads, connect_post_landing_pads,
        dw2_build_landing_pads, sjlj_emit_function_enter,
        sjlj_emit_function_exit, sjlj_emit_dispatch_table,
        sjlj_build_landing_pads): Update CFG.
        (emit_to_new_bb_before): New function.
        (finish_eh_generation): Do not rebuild the CFG.

2004-02-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config.gcc (hppa*-*-*, parisc*-*-*): Add MASK_BIG_SWITCH to all
        target_cpu_default defines.
        * pa-hpux.h (TARGET_DEFAULT): Add MASK_BIG_SWITCH to define.
        * pa.h (TARGET_DEFAULT): Likewise.

2004-02-25  Eric Botcazou  <ebotcazou@act-europe.fr>

        * fold-const.c (fold): Treat MAX_EXPR and MIN_EXPR like
        comparisons with regard to signedness.

2004-02-25  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (thumb_legitimize_address): New function.
        * arm-protos.h: Prototype it.
        * arm.h (THUMB_LEGITIMIZE_ADDRESS): Define.
        (LEGITIMIZE_ADDRESS): Use it.

2004-02-25  J"orn Rennecke <joern.rennecke@superh.com>

        * reload1.c (reload): Only spill eliminable register with multiple
        adjacent elimination alternatives if all alternatives fail.

2004-02-25  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_legitimate_index_p): For QImode the range of an offset
        is -4095...+4095 inclusive.

2004-02-25  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/install.texi (sparc-sun-solaris2* specific notes): Document
        the bootstrap failure with Sun CC 5.4 and 5.5.

2004-02-24  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c (cse_change_cc_mode_insns): Stop at any instruction
        which modifies NEWREG.
        (cse_condition_code_reg): Update the mode of CC_REG in
        CC_SRC_INSN on our own.

2004-02-24  Michael Matz  <matz@suse.de>

        * config/i386/i386.c (ix86_comp_type_attributes): Check for
        regparm attributes.

2004-02-24  Richard Henderson  <rth@redhat.com>

        * toplev.c (dump_file_tbl): Rename from dump_file.
        * bb-reorder.c, bt-load.c, cfgcleanup.c, cfglayout.c, cfgloopanal.c,
        cfgloopmanip.c, cfgrtl.c, config/arm/arm.c, config/frv/frv.c,
        config/i386/i386.c, config/ia64/ia64.c, config/mips/mips.c,
        config/sh/sh.c, cse.c, flow.c, ifcvt.c, loop-iv.c, loop-unroll.c,
        loop-unswitch.c, output.h, predict.c, profile.c, ra-build.c,
        ra-colorize.c, ra-debug.c, ra-rewrite.c, ra.c, regrename.c, reload1.c,
        toplev.c, tracer.c, value-prof.c, var-tracking.c, web.c:
        s/rtl_dump_file/dump_file/g.

2004-02-24  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/spe.md (spe_fix_truncsfsi2): Delete.
        (spe_fixuns_truncsfsi2): Delete.

        * config/rs6000/rs6000.md (fix_truncsfsi2): Delete.
        (fixuns_truncsfsi2): Delete.

2004-02-24  Josef Zlomek  <zlomekj@suse.cz>

        PR/14240
        * rtlanal.c (replace_label): Fix replacing labels in constant pool.