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

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.

2004-02-24  Geoffrey Keating  <geoffk@apple.com>

        * config/darwin.h (TARGET_HAS_F_SETLKW): Define.

2004-02-24  Jason Merrill  <jason@redhat.com>

        * tree.c (check_qualified_type): New fn.
        (get_qualified_type): Use it.  If type already has the desired
        quals, just return it.
        * tree.h: Declare it.

2003-02-24  Sanjiv Kumar Gupta  <sanjivg@noida.hcltech.com>

        * target-def.h (TARGET_SCHED_INIT_GLOBAL,
        TARGET_SCHED_FINISH_GLOBAL): New macros.

        * target.h (md_init_global, md_finish_global): Function
        declarations corresponding to new target macros.

        * haifa-sched.c (sched_init, sched_finish): Allow target to
        call the new schedular hooks.

        * flow.c (recompute_reg_usage): Add PROP_DEATH_NOTES flag in
        call to update_life_info.

        * config/sh/sh.h (OVERRIDE_OPTIONS): Re-enable
        flag_schedule_insns for SH4.

        * config/sh/sh.c (sh_md_init_global, sh_md_finish_global,
        find_set_regmode_weight, find_insn_regmode_weight,
        find_regmode_weight), sh_md_init, sh_dfa_new_cycle,
        sh_variable_issue, high_pressure, ready_reorder,
        rank_for_reorder, swap_reorder, sh_reorder, sh_reorder2): New
        functions used to throttle the insn movement in first
        scheduling pass for SH.

        * gcc/doc/tm.texi: Document TARGET_SCHED_INIT_GLOBAL and
        TARGET_SCHED_FINISH_GLOBAL.

2004-02-24  Alexandre Oliva  <aoliva@redhat.com>

        Implement FR-V FDPIC ABI support for frv-uclinux and frv-linux.
        2004-02-05  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.c (frv_emit_movsi): Use GOT relocations for
        symbols in sections named by the user.
        2004-01-30  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/linux.h (TARGET_OS_CPP_BUILTINS): New.
        2004-01-27  Alexandre Oliva  <aoliva@redhat.com>
        * config.gcc (frv-*-*linux*): Handle like *-*-linux*.
        * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Remove, obviated by
        the above.
        2004-01-20  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.md (symGOT2reg_hilo, symGOTOFF2reg_hilo): Add
        one more pseudo to further improve code generation.
        2004-01-19  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.md (movdi_ldd): Introduce explicit indirection
        inside UNSPEC.
        2004-01-16  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.c (frv_legitimate_address_p): Added
        allow_double_reg_p argument.  Adjust all callers.  Use it to
        decide whether to enable double-register indirect addressing.
        (frv_funcdesc_alias_set): Remove.
        (frv_expand_fdpic_call): Force non-SYMBOL_REF operand into
        register.  Emit movdi_ldd.
        (ldd_address_operand): New.
        * config/frv/frv-protos.h (frv_legitimate_address_p): Adjust.
        * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
        (PREDICATE_CODES): Add ldd_address_operand.
        * config/frv/frv.md (movdi_ldd): New.
        (symGOT2reg_hilo, symGOTOFF2reg_hilo): Use separate pseudo for
        intermediate computations if possible.
        (symGOTOFF2reg_i): Fix harmless typo.
        2003-12-18  Alexandre Oliva  <aoliva@redhat.com>
        * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Cast
        relocated p_vaddr to vaddr type.
        * config/frv/frv-protos.h (frv_expand_fdpic_call): Return void.
        * config/frv/frv.c (frv_get_funcdesc_alias_set): New.
        (frv_expand_fdpic_call): Propagate incoming MEM's expr to funcdesc
        MEM, or use a funcdesc alias set.  Use regular move instead of
        ldd.
        (dbl_memory_one_insn_operand): Recognize function descriptors by
        type or by alias set, and don't split them.
        * config/frv/frv.md (call, call_value): Never use call_internal
        for fdpic.
        (call_internal, call_value_internal): Never match for FDPIC.
        (call_fdpicdi, call_fdpicsi, call_value_fdpicdi,
        call_value_fdpicsi): Require FDPIC.
        (ldd): Removed.
        2003-12-17  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.h (CRT_GET_RFIB_DATA): Define for __FRV_FDPIC__.
        * unwind-dw2-fde-glibc.c: Don't include elf-fdpic.h any more.
        (_Unwind_IteratePhdrCallback): Adjust type of load_base for FRV
        FDPIC.  Compute data base address.
        * config/frv/linux.h (SUBTARGET_DRIVER_SELF_SPECS): Enable -mfdpic
        before the other self-specs are processed.
        * config/frv/t-linux (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS):
        Build with -fPIC.
        2003-12-15  Alexandre Oliva  <aoliva@redhat.com>
        * unwind-dw2-fde-glibc.c: Don't include bits/elf-fdpic.h if
        inhibit_libc is defined.
        2003-12-12  Alexandre Oliva  <aoliva@redhat.com>
        * unwind-dw2-fde-glibc.c: Include bits/elf-fdpic.h for
        __FRV_FDPIC__.
        (__RELOC_POINTER): Define.
        (_Unwind_IteratePhdrCallback): Use it.
        * config/frv/frv.h (Twrite): Define.
        (TRANSFER_FROM_TRAMPOLINE): Use it.
        * config/frv/linux.h (INVOKE__main): Undefine.
        (Twrite): Override.
        2003-12-05  Richard Sandiford  <rsandifo@redhat.com>
        * doc/invoke.texi (-mlong-calls, -mlinked-fp): Document FRV options.
        (-mlibrary-pic): Emphasize that this option generates EABI code.
        (-mcpu): Add fr550.
        (-mpack): Remove.
        2003-11-30  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.c (int_2word_operand): Reject LABELs, SYMBOL_REFs
        and CONSTs in FDPIC mode.
        * gcc/config.gcc (with_cpu): Default to fr400 on frv-*-*linux*.
        2003-11-29  Richard Sandiford  <rsandifo@redhat.com>
        * config/frv/frv.c (move_source_operand): Don't accept symbolic
        constants.
        * config/frv/frv.md (*movhi_internal, *movsi_internal): Use an 'n'
        rather than 'i' constraint for the 2-instruction alternative.
        (*movsi_2word): New, incorporating existing int_2word_operand splitter.
        2003-11-29  Richard Sandiford  <rsandifo@redhat.com>
        * config/frv/frv.h (EXTRA_CONSTRAINT_FOR_Q): Renamed from
        EXTRA_CONSTRAINT_FOR_Y.
        (EXTRA_CONSTRAINT): Remove handling of 'Y'.
        * config/frv/frv.md (*movsi_internal): Remove 'Q' constraint.
        (addsi3): Change 'Y' constraint to 'Q'.
        2003-11-27  Richard Sandiford  <rsandifo@redhat.com>
        * reload.c (CONST_POOL_OK_P): New macro.
        (find_reloads): Use it to decide whether a constant can be forced
        into memory.
        * config/frv/frv.h (LEGITIMATE_PIC_OPERAND_P): Return true if the
        constant satisfies got12_operand.
        (frv_cannot_force_const_mem): Always return true for TARGET_FDPIC.
        (frv_legitimate_address_p): Check for valid unspec offsets using
        got12_operand rather than frv_legitimate_fdpic_operand_p.
        (frv_legitimate_fdpic_operand_p): Delete.
        (frv_emit_movsi): Abort if we try to use the FDPIC register during
        or after reload.
        (frv_legitimate_constant_p): Return LEGITIMATE_PIC_OPERAND_P if
        TARGET_FDPIC.
        * config/frv/frv.md (*movdf_double): Add alternatives for CONST_DOUBLE.
        2003-11-19  Richard Sandiford  <rsandifo@redhat.com>
        * config/frv/frv-protos.h (fdpic_operand, fdpic_got12_operand)
        (frv_fdpic_fptr_operand): Don't declare here.
        * config/frv/frv.h (EXTRA_CONSTRAINT_FOR_Y): Call got12_operand
        rather than fdpic_got12_operand.
        (PREDICATE_CODES): Remove symbolic_operand entry.  Add entries for
        got12_operand and const_unspec_operand.
        * config/frv/frv.c (got12_operand): Renamed from fdpic_got12_operand.
        (gpr_or_int12_operand, dbl_memory_one_insn_operand): Update calls.
        (symbolic_operand): Remove.
        (const_unspec_operand): New predicate.
        * config/frv/frv.md (*movsi_got): Use got12_operand.
        (*movsi_high_got, *movsi_lo_sum_got): Use const_unspec_operand.
        2003-11-18  Richard Sandiford  <rsandifo@redhat.com>
        * config/frv/frv-protos.h (frv_output_addr_const_extra): Remove.
        * config/frv/frv.h (OUTPUT_ADDR_CONST_EXTRA): Remove definition.
        * config/frv/frv.c (frv_unspec): New structure.
        (frv_small_data_reloc_p, frv_const_unspec_p): New functions.
        (frv_print_operand_memory_reference): Use frv_const_unspec_p to
        validate CONST indices.  Use frv_output_const_unspec to print them.
        (frv_print_operand): Update call to unspec_got_name.  Use
        frv_output_const_unspec to print constant unspecs.
        (frv_legitimate_fdpic_operand_p): Return true if frv_const_unspec_p.
        Reject UNSPECs otherwise.
        (unspec_got_name): Take the relocation number as argument, not an
        rtx containing it.
        (frv_output_addr_const_extra): Remove, replacing with...
        (frv_output_const_unspec): ...this new function.
        (frv_find_base_term): Use frv_const_unspec_p & frv_small_data_reloc_p.
        (gpr_or_int12_operand): Use fdpic_got12_operand.
        (dbl_memory_one_insn_operand): Likewise.
        (fdpic_got12_operand): Use frv_const_unspec_p.
        (frv_emit_movsi): Use frv_const_unspec_p to check for CONSTs that
        are already legitimate.  Use frv_small_data_reloc_p when deciding
        whether to use HIGH/LO_SUM for R_FRV_GOTOFF12 and R_FRV_GPREL12.
        2003-11-18  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/t-linux (SHLIB_MAPFILES): Override so as to export...
        * config/frv/libgcc-frv.ver: ... frv-specific symbols.  New file.
        * config/frv/frv-abi.h (CREATE_DOUBLE_SHIFT): Use branch to local
        label, for real this time.
        * config/frv/frv.c (frv_local_funcdesc_p): Update to new
        representation of visibility.
        (fdpic_got12_operand, symbolic_operand): Mark unused arguments as
        such.
        2003-11-17  Richard Sandiford  <rsandifo@redhat.com>
        * config/frv/frv.h (MASK_LINKED_FP, TARGET_LINKED_FP): New macros.
        (TARGET_SWITCHES): Add -mlinked-fp and -mno-linked-fp.
        * config/frv/frv.c (frv_override_options): Set MASK_LINKED_FP unless
        it was explicitly disabled.
        (frv_stack_info): There is no need to save the link register in every
        frame unless TARGET_LINKED_FP is true.
        (frv_frame_pointer_required): If !TARGET_LINKED_FP, only require a
        frame pointer if the stack pointer might change value.
        (frv_return_addr_rtx): Check and process "count" argument.
        2003-11-14  Richard Sandiford  <rsandifo@redhat.com>
        * config/frv/frv-protos.h (frv_legitimize_address): Remove.
        (frv_find_base_term): Declare.
        * config/frv/frv.h (LEGITIMIZE_ADDRESS): Do nothing.
        (FIND_BASE_TERM): Define.
        (PREDICATE_CODES): Remove pic_register_operand, pic_symbolic_operand,
        small_data_register_operand, small_data_symbolic_operand.  Add
        symbolic_operand.
        * config/frv/frv.c (const_small_data_p, plus_small_data_p): Delete.
        (frv_print_operand_memory_reference, output_move_single): Remove
        special handling for unlegitimized sdata addresses.
        (frv_legitimate_address_p): Don't allow sums of SDA_BASE_REG
        and symbolic addresses.
        (frv_legitimize_address, frv_legitimize_fdpic_address): Delete.
        (frv_find_base_term): New function.
        (int_2word_operand): Check specifically for symbolic address constants.
        (pic_register_operand, pic_symbolic_operand): Delete.
        (small_data_register_operand, small_data_symbolic_operand): Delete.
        (dbl_memory_one_insn_operand): Don't call plus_small_data_p.
        Allow UNSPEC_GOT constants if !TARGET_FDPIC.
        (move_source_operand): Only accept CONSTs if they're a two-insn
        symbolic constant.
        (fdpic_got12_operand): Don't require TARGET_FDPIC.
        (frv_emit_movsi): Legitimize sdata and -mlibrary-pic addresses
        using gen_symGOTOFF2reg*.
        (frv_ifcvt_rewrite_mem): Remove (plus gr16 ...) special cases.
        (frv_rtx_costs): Give all MEM addresses a cost of 0.  Give MEMs
        themselves a cost of 3 insns.
        * config/mips/mips.md (*movsi_got): Allow for !TARGET_FDPIC too.
        Change predicate to symbolic_operand.
        (*movsi_high_got, *movsi_lo_sum_got): Likewise.
        (*movsi_lda_sdata): Delete.
        (*movsi_pic, movsi_high_pic, movsi_lo_sum_pic): Delete.
        2003-11-05  Alexandre Oliva  <aoliva@redhat.com>
        * config.gcc: Add t-slibgcc-elf-ver and support --with-cpu for
        frv-*-*linux*.
        * config/frv/frv-abi.h (CREATE_DOUBLE_SHIFT): Use branch to local
        label.
        * config/frv/frv.h (DRIVER_SELF_SPECS): Add blank before
        -multilib-library-pic.
        (LINK_SPEC): Add -z text for -mfdpic.
        * config/frv/frvbegin.c (__ROFIXUP_LIST__): Don't define on FDPIC.
        * config/frv/frvend.c (__ROFIXUP_END__): Likewise.
        * config/frv/linux.h (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC):
        Override.
        (OPTION_DEFAULT_SPECS, HAS_INIT_SECTION, INIT_SECTION_ASM_OP,
        FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION): Define.
        * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Use
        crtstuff-generated files.
        2003-10-31  Alexandre Oliva  <aoliva@redhat.com>
        * config.gcc: Add frv-*-*linux*.
        * config/frv/linux.h, config/frv/t-linux: New.
        2003-10-06  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.h (LINK_SPEC): Pass -melf32frvfd to the linker
        when -mfdpic even if a linker script is explicitly listed.
        2003-10-02  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.c (frv_override_options): Clear asm_out
        unaligned_op for SImode on FDPIC.
        (frv_emit_movsi): Use compute_reloc_for_constant to compute the
        argument passed to decl_readonly_section.
        (frv_assemble_integer): Revert 2003-09-30's change, but make the
        whole block run with FDPIC even with -fno-PIC.
        2003-10-02  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.c (frv_cannot_force_const_mem): Don't force
        symbol or label plus offset to memory.
        (frv_emit_movsi): Emit GPREL only if -mgprel-ro.  Emit 32-bit
        GOTOFF and GPREL for LABEL_REF.
        * config/frv/frv.h (DRIVER_SELF_SPECS): Add -mgprel-ro with
        -mfdpic unless -mno-gprel-ro, -fpic or -fpie.
        (MASK_GPREL_RO, TARGET_GPREL_RO): New.
        (TARGET_SWITCHES): Added gprel-ro and no-gprel-ro.
        * doc/invoke.texi: Document them.
        2003-09-30  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv-protos.h (frv_gen_GPsym2reg): Declare.
        (frv_splittable_got_operand): Removed.
        * config/frv/frv.c (frv_cannot_force_const_mem): Reject HIGH and
        LO_SUM.  Add comments.
        (frv_override_options): Moved enabling of FDPIC to
        DRIVER_SELF_SPECS.  Don't enable MASK_DWORD.
        (frv_local_funcdesc_p): Remove unnecessary heck for flag_pie.
        (frv_legitimize_fdpic_address): Don't duplicate logic in
        frv_emit_movsi.
        (frv_gen_GPsym2reg): New.
        (unspec_got_name): Added gprel.
        (frv_expand_fdpic_call): Add support for inlining PLTs.
        (fdpic_fptr_operand): Renamed from frv_fdpic_fptr_operand.
        (gpr_or_int12_operand): Added GPREL12.
        (pic_symbolic_operand): Match even if !flag_pic for FDPIC.
        (small_data_symbolic_operand): Fail if FDPIC.
        (fdpic_splittable_got_operand): Removed.
        (fdpic_got12_operand): Added GPREL12.
        (frv_emit_movsi): Reorganize to avoid duplication.  Emit GPREL
        when appropriate.  Fix sdata GOTOFF.
        (frv_legitimate_constant_p): Require legitimate PIC operand for
        FDPIC with pic, but only a legitimate fdpic operand for non-pic.
        (frv_assemble_integer): Move FDPIC funcdesc handling out of
        flag_pic case.
        (frv_asm_out_constructor, frv_asm_out_destructor): Abort if
        frv_assemble_integer fails.
        * config/frv/frv.h (DRIVER_SELF_SPECS): New.
        (SUBTARGET_DRIVER_SELF_SPECS): New.
        (ASM_SPEC): Don't pass -mno-fdpic.
        (LINK_SPEC): Pass -melf32frvfd for FDPIC.
        (MASK_INLINE_PLT, TARGET_INLINE_PLT): New.
        (TARGET_SWITCHES): Add -minline-plt, -mno-inline-plt and
        -multilib-library-pic.
        (PREDICATE_CODES): Added fdpic_operand, fdpic_fptr_operand,
        condexec_si_media_operator, condexec_sf_add_operator and
        condexec_sf_conv_operator.  Removed condexec_sf_binary_operator
        and condexec_sf_unary_operator.
        * config/frv/frv.md (R_FRV_GPREL12, R_FRV_GPRELHI, R_FRV_GPRELLO):
        New.
        (movsi_got, movsi_high_got, movsi_lo_sum_got): Move before
        movsi_internal.  Give them internal names.  movsi_got has type
        int.
        (fdpic got splitters): Remove.
        (symGPREL2reg, symGPREL2reg_hilo): New.
        * config/frv/t-frv (MULTILIB_MATCHES): Don't map -fpic and -fPIC
        to -mlibrary-pic.  Map -multilib-library-pic to it.
        * doc/invoke.texi: -mfdpic, -minline-plt, -multilib-library-pic:
        Document.
        2003-09-28  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.c (frv_function_symbol_referenced_p): Declare.
        (TARGET_CANNOT_FORCE_CONST_MEM): Define to...
        (frv_cannot_force_const_mem): New function.
        (const_small_data_p, plus_small_data_p): Update comments on sdata
        on FDPIC.
        (frv_override_options): Set flag_pie for FDPIC too.
        (frv_conditional_register_usage): Mark gr16 and gr17 as non-fixed,
        call-saved registers on FDPIC.
        (frv_stack_info): Don't preserve the PIC register on FDPIC, and
        don't force LR to be preserved.
        (frv_expand_prologue): Likewise.
        (frv_asm_output_mi_thunk): Use 12-bit funcdesc gotoff for -fpic.
        (frv_frame_pointer_required): Don't force it just because the
        FDPIC register is used.
        (frv_legitimate_address_p) <CONST>: Accept a legitimate FDPIC
        operand only if !condexec_p.
        (frv_legitimize_address): Return the FDPIC-legitimized address.
        Don't match small data here on FDPIC.
        (frv_legitimate_fdpic_operand_p): Don't accept unadorned function
        symbols.  Use TRUE/FALSE instead of 1/0.
        (frv_local_funcdesc_p): New.
        (frv_legitimize_fdpic_address): Rewrite to use GOTOFF and 12-bit
        immediates when possible.
        (pic_symbolic_operand): Accept SYMBOL_REFs and CONSTs in FDPIC.
        (dbl_memory_one_insn_operand): Accept addresses that add a REG and
        an UNSPEC_GOT.
        (frv_emit_movsi): Handle FDPIC before small data.  Use GOTOFF and
        12-bit immediates when possible.
        (frv_legitimate_constant_p): In FDPIC, reject SImode operands that
        are not legitimate pic operands.
        (frv_in_small_data_p): Re-enable for FDPIC.
        * config/frv/frv.h (SDA_BASE_REG): Remove comment about FDPIC.
        (FRV_GLOBAL_P): Removed.
        * config/frv/frv.md: Add modes to CONSTs.
        (movsi_got): New.
        (movsi_lo_sum_got): Use separate matches instead of match_dup.
        (movsi_high_pic, movsi_lo_sum_pic): Match on non-FDPIC only.
        (fdpic splittable operations): Match on flag_pic != 1.
        2003-09-22  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.c (frv_asm_out_constructor,
        frv_asm_out_destructor): Pass to frv_assemble_integer the size in
        bytes, not bits.
        2003-09-19  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.c (frv_assemble_integer): Reject complex
        expressions referencing function SYMBOL_REFs.
        * config/frv/frv.c (frv_function_symbol_referenced_p): New.
        (move_source_operand): Reject CONSTs that reference function
        SYMBOL_REFs on FDPIC.
        (frv_emit_movsi): If we get such a CONST, break it up.
        * config/frv/frv.h (CPP_SPEC): Define __FRV_FDPIC__ for -mfdpic.
        (TRANSFER_FROM_TRAMPOLINE): Use different definitions for FDPIC.
        * config/frv/frv.c (frv_print_operand) <I>: Recognize PLUS without
        MEM.
        (frv_assemble_integer): Don't use funcdesc for LABEL_REFs.
        (frv_trampoline_size): Increase for FDPIC.
        * config/frv/frv.h (TRAMPOLINE_ALIGNMENT): Bump to 64 for FDPIC.
        (TRANSFER_FROM_TRAMPOLINE): Handle FDPIC trampolines.
        * config/frv/frv.c (frv_legitimize_fdpic_address, frv_emit_movsi):
        Disable use of GOTOFF for now.
        (const_small_data_p, plus_small_data_p, frv_in_small_data_p):
        Disable use of small data in FDPIC for now.
        (frv_asm_output_mi_thunk): Implement for FDPIC.
        * config/frv/frv.h (SDA_BASE_REG): Set to -1 with FDPIC.
        * config/frv/frv.c (frv_asm_out_constructor): Use
        frv_assemble_integer for FDPIC pointers.
        (frv_asm_out_destructor): Likewise.
        * config/frv/frv.md (ldd): Fix order of operands.  Use
        address_operand for input.
        2003-09-18  DJ Delorie  <dj@redhat.com>
        * config/frv/frv.c (frv_legitimate_fdpic_operand_p): Remove UNSPEC_PIC.
        (unspec_got_name): Correct typo.
        (frv_emit_movsi): Pre-expand splittable GOTs.
        (frv_expand_fdpic_call): Rename gen_lddi to gen_ldd.
        * config/frv/frv.md (lddi): Fix syntax error, rename to ldd.
        (symGOT2reg_hilo, symGOTOFF2reg_hilo): New.
        * config/frv/t-frv: Add -mfdpic multilibs.
        * config/frv/frv.h (ASM_SPEC): Pass -mfdpic/-mno-fdpic.
        (TARGET_SWITCHES): Add -mno-fdpic, fix documentation.
        * config/frv/frv.c (frv_override_options): -mfdpic assumes
        flag_pic, default to 32-bit pics, require DWORD ops.
        (frv_override_options): Add W and Z constraints.
        (frv_expand_prologue): No pic prologue for -mfdpic.
        (frv_asm_output_mi_thunk): Support -mfdpic (soon).
        (frv_print_operand_memory_reference): Handle GOT constants.
        (frv_legitimate_address_p): Allow GOT constants.
        (frv_legitimize_address): Handle GOT addresses too.
        (frv_legitimate_fdpic_operand_p): New.
        (frv_legitimize_fdpic_address): New.
        (unspec_got_name): New.
        (frv_output_addr_const_extra): New.
        (frv_expand_fdpic_call): New.
        (frv_fdpic_fptr_operand): New.
        (gpr_or_int12_operand): Handle GOT operands.
        (int_2word_operand): Handle GOT operands.
        (fdpic_operand): New.
        (fdpic_splittable_got_operand): New.
        (fdpic_got12_operand): New.
        (frv_emit_movsi): Handle GOT operands.
        (frv_assemble_integer): -mfdpic doesn't use rofixups.
        (frv_print_operand): Support 'g' code for GOT operands.
        * config/frv/frv-protos.h: Add prototypes as needed.
        * config/frv/frv.md (R_FRV_GOT12, R_FRV_GOTHI, R_FRV_GOTLO,
        R_FRV_FUNCDESC, R_FRV_FUNCDESC_GOT12, R_FRV_FUNCDESC_GOTHI,
        R_FRV_FUNCDESC_GOTLO, R_FRV_FUNCDESC_VALUE,
        R_FRV_FUNCDESC_GOTOFF12, R_FRV_FUNCDESC_GOTOFFHI,
        R_FRV_FUNCDESC_GOTOFFLO, R_FRV_GOTOFF12, R_FRV_GOTOFFHI,
        R_FRV_GOTOFFLO): New.
        (movsi_high_got, movsi_lo_sum_got): New.
        (*movsi_pic): Don't use this splitter for -mfdpic.
        (addsi3): Allow GOT references also.
        (call, call_value): Handle -mfdpic separately.
        (call_fdpicdi, call_fdpicsi, lddi, call_value_fdpicdi,
        call_value_fdpicsi): New.
        (symGOT2reg, symGOT2reg_i, got splitters, symGOTOFF2reg,
        symGOTOFF2reg_i): New.
        * config/frv/frv.h (MASK_FDPIC): New.
        (TARGET_FDPIC): New.
        (TARGET_SWITCHES): Add -mfdpic.
        (FDPIC_FPTR_REGNO): New.
        (FDPIC_REGNO): New.
        (OUR_FDPIC_REG): New.
        (enum reg_class): Add FDPIC_REGS, FDPIC_FPTR_REGS, and
        FDPIC_CALL_REGS.
        (REG_CLASS_NAMES): Likewise.
        (REG_CLASS_CONTENTS): Likewise.
        (EXTRA_CONSTRAINT_FOR_Y): New, for 12-bit GOTs.
        (EXTRA_CONSTRAINT): Add it here.
        (FRV_GLOBAL_P): New.
        (OUTPUT_ADDR_CONST_EXTRA): New.

2004-02-24  Kazu Hirata  <kazu@cs.umass.edu>

        * config/sparc/sparc.h: Remove commented-out definitions of
        TARGET_EDOM and GEN_ERRNO_RTX.

2004-02-24  Kazu Hirata  <kazu@cs.umass.edu>

        * df.c, df.h, ra-build.c, ra-rewrite.c, ra.c, web.c: Replace
        df_analyse with df_analyze.

2004-02-24  Alan Modra  <amodra@bigpond.net.au>

        * gcse.c (delete_null_pointer_checks_1): Set stop_insn to end, not
        beginning of block.

2004-02-23  James E Wilson  <wilson@specifixinc.com>

        * calls.c (precompute_arguments): Update comment.

2004-02-23  Kazu Hirata  <kazu@cs.umass.edu>

        * et-forest.c: Replace et_occurences with et_occurrences.

2004-02-23  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgloop.h, loop-iv.c, loop-unswitch.c: Replace iv_analyse
        with iv_analyze.

2004-02-23  Kelley Cook  <kcook@gcc.gnu.org>

        * config/i386/i386.c: Rename pni to sse3.
        * config/i386/i386.h: Likewise.
        * config/i386/i386.md: Likewise.
        * config/i386/pmmintrin.h: Likewise.
        * doc/extend.texi: Likewise.
        * doc/invoke.texi: Likewise.

2004-02-23  Zack Weinberg  <zack@codesourcery.com>
            Kazu Hirata  <kazu@cs.umass.edu>

        Remove -fwritable-strings.
        * c-common.c (fix_string_type): Don't check
        flag_writable_strings.
        (fix_string_type): Likewise.
        * c-opts.c (set_std_c89): Don't initialize
        flag_writable_strings.
        (set_std_c99): Likewise.
        * common.opt (fwritable-strings): Remove.
        * flags.h: Remove the external declaration of
        flag_writable_strings.
        * opts.c (common_handle_option) <OPT_fwritable_strings>:
        Remove.
        * toplev.c (flag_writable_strings): Remove.
        (f_options): Remove an entry for writable-strings.
        * varasm.c (const_hash_1) <STRING_CST>: Don't check
        flag_writable_strings.
        (compare_constant) <STRING_CST>: Likewise.
        (build_constant_desc): Likewise.
        * config/darwin.c (machopic_select_section): Likewise.
        * config/arm/arm.c (AOF_ASSEMBLER): Likewise.
        * config/arm/pe.c (arm_pe_encode_section_info): Likewise.
        * config/iq2000/iq2000.c (iq2000_select_section): Likewise.
        * config/mips/mips.c (mips_select_section): Likewise.
        (mips_encode_section_info): Likewise.
        * config/pa/pa.c (pa_select_section): Likewise.
        * config/pa/pa.h (TEXT_SPACE_P): Likewise.
        * config/v850/v850.c (v850_select_section): Likewise.
        * doc/invoke.texi (-fwritable-strings): Remove.
        (-fno-const-strings): Don't mention -fwritable-strings.
        * doc/trouble.texi: Don't mention -fwritable-strings.

2003-02-23  Nathanael Nerode  <neroden@gcc.gnu.org>

        * doc/install.texi: Update for switch of boehm-gc to autoconf 2.57.

2004-02-23  Dale Johannesen  <dalej@apple.com>

        * config/rs6000.md (movsf_hardfloat): Add POWER form of nop.
        (movdf_hardfloat64):  Ditto.
        (movdf_softfloat64):  Ditto.

2004-02-23  Fariborz Jahanian <fjahanian@apple.com>
        * config/rs6000/rs6000.c (function_arg): call to
        rs6000_mixed_function_arg for DFmode moved to allow
        normal DFmode incoming register assignment.

2004-02-23  Dale Johannesen  <dalej@apple.com>

        * config/rs6000.md (movsf_hardfloat): Accept CTR-to-CTR copy.
        (movdf_hardfloat64):  Ditto.

2004-02-23  Kazu Hirata  <kazu@cs.umass.edu>

        * convert.c, gcov-io.c, libgcov.c, sched-int.h, sibcall.c,
        config/rs6000/linux.h, config/rs6000/rs6000-c.c: Update
        copyright.

2004-02-23  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/14156
        * c-typeck.c (c_expand_return): Change check for VAR_DECL
        to use DECL_P instead.

        * config/rs6000/linux.h (OS_MISSING_POWERPC64): Define.
        * config/rs6000/linux64.h (OS_MISSING_POWERPC64): Define.

2004-02-23  Kazu Hirata  <kazu@cs.umass.edu>

        * Makefile.in (opts.o): Depend on target.h.
        * opts.c (decode_options): Use targetm.default_short_enums
        instead of DEFAULT_SHORT_ENUMS.
        * system.h (DEFAULT_SHORT_ENUMS): Poison.
        * target-def.h (TARGET_DEFAULT_SHORT_ENUMS): New.
        (TARGET_INITIALIZER): Add TARGET_DEFAULT_SHORT_ENUMS.
        * target.h (gcc_target): Add default_short_enums.
        * config/cris/cris.h: Remove a comment about
        DEFAULT_SHORT_ENUMS.
        * config/ip2k/ip2k.h: Likewise.
        * doc/tm.texi (DEFAULT_SHORT_ENUMS): Change to
        TARGET_DEFAULT_SHORT_ENUMS.  Update the description.

2004-02-23  Eric Botcazou  <ebotcazou@libertysurf.fr>
            Falk Hueffner  <falk@debian.org>

        PR c/14188
        * builtins.c (expand_builtin_va_arg): Emit an informative message
        if a trap is generated.
        * c-typeck.c (build_function_call): Likewise.

2004-02-22  Jakub Jelinek  <jakub@redhat.com>

        * gcov-io.c (gcov_open) [GCOV_LOCKED]: Use open + fdopen instead of
        fopen.
        * libgcov.c: Include sys/stat.h.
        * config/rs6000/linux.h (TARGET_HAS_F_SETLKW): Define.
        * config/rs6000/linux64.h (TARGET_HAS_F_SETLKW): Define.
        * config/sparc/linux.h (TARGET_HAS_F_SETLKW): Define.
        * config/sparc/linux64.h (TARGET_HAS_F_SETLKW): Define.

2004-02-22  Kazu Hirata  <kazu@cs.umass.edu>

        * reorg.c: Remove comments about dead ports.

2004-02-22  Christopher Faylor  <cgf@redhat.com>

        * config.gcc (i[34567]86-*-pe|i[34567]86-*-cygwin*): *Really* specify
        extra host object file when targetting cygwin rather than generic
        object files.

2004-02-22  Josef Zlomek  <zlomekj@suse.cz>

        Merge from tree-ssa:
        2003-11-20  Richard Henderson  <rth@redhat.com>

                * tree-inline.c (insert_decl_map): New.
                (remap_decl, remap_type, remap_block, copy_body_r,
                initialize_inlined_parameters, declare_return_variable,
                remap_save_expr): Use it.

        * function.c (copy_body_r): Add mapping from id->ret_label to
        id->ret_label.  Revert test for ret_label.

2004-02-22  Jakub Jelinek  <jakub@redhat.com>

        * genoutput.c (process_template): Strip trailing whitespace in @
        templates and issue a warning if there was any.

2004-02-21  Christopher Faylor  <cgf@redhat.com>

        * config.gcc (i[34567]86-*-pe|i[34567]86-*-cygwin*): Specify extra host
        object file when targetting cygwin.
        * config/i386/t-cygwin (EXTRA_GCC_OBJS): Remove definition since it is
        overridden by top-level Makefile.

2004-02-21  Roger Sayle  <roger@eyesopen.com>

        * config/i386/i386.c (standard_80387_constant_p): Also prefer
        the x87's load constant instructions when optimizing for size.

2004-02-21  Kazu Hirata  <kazu@cs.umass.edu>

        * combine.c (SHIFT_COUNT_TRUNCATED): Remove.
        * defaults.h (SHIFT_COUNT_TRUNCATED): Provide the default.
        * expmed.c: Assume SHIFT_COUNT_TRUNCATED is always defined.
        * fold-const.c: Likewise.
        * simplify-rtx.c: Likewise.

2004-02-21  Alan Modra  <amodra@bigpond.net.au>

        * combine.c (can_combine_p): Don't ignore SETs marked with
        REG_EH_REGION notes.
        (try_combine): When attemting to fix unrecognized insns, don't
        split a PARALLEL that contains the original i2.

2004-02-21  Ziemowit Laski  <zlaski@apple.com>

        * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Refer to
        SUBTARGET_OPTION_TRANSLATE_TABLE for architecture-specific options.
        * config/i386/darwin.h (SUBTARGET_OPTION_TRANSLATE_TABLE): Define it.
        * config/rs6000/altivec.h: #error out if '-maltivec' not specified.
        (vector, pixel, bool): #define to __vector, __pixel and __bool.
        (__un_args_eq, __bin_args_eq, __tern_args_eq): Move to C-specific
        portion of header.
        (__altivec_link_error_invalid_argument): Remove prototype; will use
        __builtin_altivec_compiletime_error("vec_*") instead.
        (vec_*): Fix/complete set of available operation overloads given the
        existence of distinct 'vector bool ...' and 'vector pixel' types; tighten
        cv-correctness of pointer arguments; in C, always check for correct
        argument types before macro expansion.
        * config/rs6000/darwin.h (SUBTARGET_OPTION_TRANSLATE_TABLE): New macro
        defining Darwin/PowerPC-specific '-f[no-]altivec' and
        '-W[no-]altivec-long-deprecated' switches.
        * config/rs6000/rs6000-c (rs6000_cpu_cpp_builtins): Pre-define
        '__vector', '__pixel' and '__bool' macros using
        '__attribute__((altivec(...)))' types.
        * config/rs6000/rs6000.c (bool_char_type_node, bool_short_type_node,
        bool_int_type_node, pixel_type_node, bool_V16QI_type_node,
        bool_V8HI_type_node, bool_V4SI_type_node, pixel_V8HI_type_node):
        New type nodes.
        (rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch): New, for
        handling '-W[no-]altivec-long-deprecated'.
        (rs6000_override_options): Handle '-W[no-]altivec-long-deprecated'.
        (rs6000_expand_binop_builtin, rs6000_expand_ternop_builtin,
        altivec_expand_dst_builtin): Remove casts from integer literals.
        (altivec_expand_builtin): Likewise; handle expansion of new
        '__builtin_altivec_compiletime_error' function.
        (rs6000_init_builtins): Initialize 'vector bool ...' and 'vector pixel'
        types, and make them distinct from other vector types; register
        '__builtin_altivec_compiletime_error' function.
        (print_operand): For 'P', print a full target register name instead of
        merely its number.
        (rs6000_attribute_table): Add "altivec" attribute.
        (rs6000_handle_altivec_attribute): New function.
        * config/rs6000/rs6000.h (TARGET_OPTIONS): Describe
        '-m[no-]-warn-altivec-long' (which '-W[no-]altivec-long-deprecated'
        maps to).
        (rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch): Forward
        declare.
        (ALTIVEC_BUILTIN_COMPILETIME_ERROR): New built-in enumeration.

2004-02-20  James E Wilson  <wilson@specifixinc.com>

        * config/ia64/ia64.md (shift_mix4left+1): Delete reload_completed
        check.
        (shift_mix4left+2): Delete redundant pattern.

2004-02-20  Kazu Hirata  <kazu@cs.umass.edu>

        * alias.c (OUTGOING_REGNO): Don't define the default.
        * builtins.c (OUTGOING_REGNO): Likewise.
        (INCOMING_REGNO): Likewise.
        (apply_args_register_offset): Always use OUTGOING_REGNO.
        * combine.c (OUTGOING_REGNO): Likewise.
        * sibcall.c (OUTGOING_REGNO): Likewise.
        * defaults.h (INCOMING_REGNO): Provide the default.
        (OUTGOING_REGNO): Likewise.

2004-02-21  Jan Hubicka  <jh@suse.cz>

        * params.def (max-peeled-insns, max-completely-peeled-insns,
        max-once-peeled-insns): Set to 400.

2004-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR c++/12007
        * dbxout.c (dbxout_parms): Check that DECL_RTL and DECL_INCOMING_RTL
        are set for parameters before outputing debugging information.

2004-02-20  Falk Hueffner  <falk@debian.org>

        PR target/14201
        * config/alpha/alpha.md (*fix_truncsfsi_ieee): Fix typoed operand
        numbers.

2004-02-20  Per Bothner  <per@bothner.com>

        * input.h:  Don't #include line-map.h.  It may cause link problems
        with undefined linemap_line_start when line-map.h is included but
        line-map.o is not linked, as currently happens with gengtype on
        compilers that don't support inline.
        * toplev.c:  So we do have to explicitly #include line-map.h here.

2004-02-20  Richard Henderson  <rth@redhat.com>

        * doc/invoke.texi: Add -Wvariadic-macros.

2004-02-20  Kazu Hirata  <kazu@cs.umass.edu>

        * haifa-sched.c (sched_emit_insn): Remove.
        * sched-int.h: Remove the corresponding prototype.

2004-02-20  Kazu Hirata  <kazu@cs.umass.edu>

        Revert:
        2004-02-19  Kazu Hirata  <kazu@cs.umass.edu>
        * opts.c (decode_options): Don't use DEFAULT_SHORT_ENUMS.
        * system.h (DEFAULT_SHORT_ENUMS): Poison.
        * config/cris/cris.h: Remove a comment about
        DEFAULT_SHORT_ENUMS.
        * config/ip2k/ip2k.h: Likewise.
        * doc/tm.texi (DEFAULT_SHORT_ENUMS): Remove.

2004-02-20  Mohan Embar  <gnustuff@thisiscool.com>
            Tom Tromey  <tromey@redhat.com>

        * doc/install.texi: Moved --disable-libgcj and
        --with-system-zlib documentation to new section for
        Java-specific options.
        Added explicit Cross-Compiler-Specific Options subheading.
        Added section for Java-specific options.

2004-02-20  Matt Kraai  <kraai@alumni.cmu.edu>

        * doc/install.texi (Building the Ada compiler): Remove
        example.

2004-02-20  James E Wilson  <wilson@specifixinc.com>

        * toplev.c (dump_file_index, dump_file): Put ce3 before rnreg.

2004-02-20  Kazu Hirata  <kazu@cs.umass.edu>

        * gcc.c (process_command): Allow translation of the copyright
        symbol but not the rest of the copyright message.
        * gcov.c (print_version): Likewise.  Allow translation of the
        message about warranty.

2004-02-20  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.md ("*andsi_movu"): Correct parentheses in
        predicate.
        ("*andsi_clear"): Tweak constraints to not match postincrement.
        Adjust the predicate to exclude a volatile memory reference.
        ("*andhi_clear"): Ditto.  Rename from "*andhi_clear_signed".
        ("*andhi_clear_unsigned"): Remove, non-matching pattern.

2004-02-19  Matt Kraai  <kraai@alumni.cmu.edu>

        * move-if-change: Remove.
        * Makefile.in (s-mlib, c-parse.y, s-check, s-gencheck)
        (s-specs, s-options, s-config, s-conditions, s-flags, s-codes)
        (s-constants, s-emit, s-recog, s-opinit, s-extract, s-peep)
        (s-attr, s-attrtab, s-output, s-genrtl, s-modes, s-preds)
        (s-gtyp-gen, s-iov): Use the top level move-if-change.
        * objc/Make-lang.in (objc/objc-parse.y): Likewise.

2004-02-19  James E Wilson  <wilson@specifixinc.com>

        * config/i386/i386.md (doloop_end_internal): Use nonimmediate_operand
        for operand2.  Add condition that requires register_operand operand2
        before reload.

2004-02-19  Richard Sandiford  <rsandifo@redhat.com>
            Maciej W. Rozycki  <macro@ds2.pg.gda.pl>

        * config/mips/mips.c (mips_address_insns): Treat BLKmode specially.
        * config/mips/mips.md: Expand comment above unaligned loads and stores.

2004-02-19  Richard Henderson  <rth@redhat.com>

        * Makefile.in (STRICT2_WARN): Add -Wno-variadic-macros.
        * tree.c (build0, build1, build2, build3, build4): Split out from...
        (build): ... here.  Call them.
        * tree.h (build, _buildN1, _buildN2, _buildC1, _buildC2): New.

        * convert.c (convert_to_integer): Remove extra build argument.
        * tree-inline.c (expand_call_inline): Likewise.

2004-02-19  Richard Henderson  <rth@redhat.com>

        * c-opts.c (warn_variadic_macros): New.
        (c_common_handle_option): Set it.
        (sanitize_cpp_opts): Copy it to cpp_opts.
        * c.opt (Wvariadic-macros): New.
        * cpplib.h (struct cpp_options): Add warn_variadic_macros.
        * cppinit.c (cpp_create_reader): Initialize it.
        * cppmacro.c (parse_params): Check it.

2004-02-19  David Daney <ddaney@avtrex.com>

        PR preprocessor/14198
        * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Add
        builtin_assert ("machine=mips")

2004-02-19  Kazu Hirata  <kazu@cs.umass.edu>

        * opts.c (decode_options): Don't use DEFAULT_SHORT_ENUMS.
        * system.h (DEFAULT_SHORT_ENUMS): Poison.
        * config/cris/cris.h: Remove a comment about
        DEFAULT_SHORT_ENUMS.
        * config/ip2k/ip2k.h: Likewise.
        * doc/tm.texi (DEFAULT_SHORT_ENUMS): Remove.

2004-02-19  Zack Weinberg  <zack@codesourcery.com>

        * config/ia64/ia64.c (ia64_function_arg): In big-endian mode,
        when passing single SFmode quantities in general registers,
        put them in the high half.

2004-02-19  Aldy Hernandez  <aldyh@redhat.com>

        * doc/md.texi (Standard Names): Document additional dependency on
        fix pattern.

        * optabs.c (ftruncify): Remove.
        (expand_fix): Manually inline ftruncify above.
        (can_fix_p): Add FIXME note.

2004-02-19  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/spe.md (spe_fixunssfsi2): Rename to
        spe_fixuns_truncsfsi2.

        * config/rs6000/rs6000.md (fixunssfsi2): Rename to
        fixuns_truncsfsi2.

2004-02-19  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
        * testsuite/gcc.dg/20040219-1.c: New test.

2004-02-19  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("*subdf3_cc", "*subdf3_cconly", "*subsf3_cc",
        "*subsf3_cconly"): Subtraction is not commutative.

2004-02-19  Zack Weinberg  <zack@codesourcery.com>

        * sdbout.c (preinit_symbols, sdbout_initialized): New statics.
        (sdbout_symbol): If called before sdbout_init, queue DECL for
        later and return.
        (sdbout_init): Set sdbout_initialized true, process decls
        queued earlier by sdbout_symbol.
        (sdbout_finish): Use size_t for index variable.

2004-02-19  Jeff Law  <law@redhat.com>

        * fold-const.c (invert_truthvalue): Do not call invert_tree_comparison
        for unordered comparison codes.

2004-02-19  Ian Lance Taylor  <ian@wasabisystems.com>

        * reload1.c (reload): Correct comment.
        (scan_paradoxical_subregs): Remove #if 0 and old comment.
        * doc/extend.texi (Local Reg Vars): Remove obsolete comment that
        register variables are not used by reload.

2004-02-19  Hans-Peter Nilsson  <hp@axis.com>

        PR target/14209
        * config/cris/cris.md ("*andsi_movu", "*andhi_movu"): Tweak
        constraints to not match postincrement.  Adjust the predicate to
        exclude a volatile memory reference.

2004-02-19  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mcore/mcore.h (ASM_OUTPUT_EXTERNAL): Remove.

2004-02-19  Kazu Hirata  <kazu@cs.umass.edu>

        * hooks.c (hook_void_tree_int): Remove.
        (hook_void_constcharptr): Likewise.
        (hook_int_void_0): Likewise.
        * hooks.h: Remove the prototypes for the above three
        functions.
        * targhooks.c (hook_bool_machine_mode_true): Remove.
        * targhooks.h: Remove the prototype for
        hook_bool_machine_mode_true.

2004-02-19  Kazu Hirata  <kazu@cs.umass.edu>

        * emit-rtl.c (subreg_realpart_p): Remove.
        (reorder_insns_with_line_notes): Likewise.
        (end_full_sequence): Likewise.
        * rtl.h: Remove the prototype for the above functions.