* config/sh/sh.md (prefetch): New pattern.

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

2003-11-12  J"orn Rennecke <joern.rennecke@superh.com>

        * config/sh/sh.md (prefetch): New pattern.

2003-11-11  Eric Christopher  <echristo@redhat.com>

        * reload1.c (reload): Verify that addresses for
        reg_equiv_* are valid for the architecture.

2003-11-11  Eric Christopher  <echristo@redhat.com>

        * function.c (purge_addressof_1): Add libcall check.
        Remove test for cached replacements on fallback case.
        Simplify mode comparisons. Add libcall test for
        paradoxical subregs.

2003-11-11  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/t-h8300: Fix an obsolete comment.

2003-11-11  James E Wilson  <wilson@specifixinc.com>

        * expmed.c (store_bit_field, extract_bit_field): Revert last two
        changes.

2003-11-11  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/lib1funcs.asm: Replace DenHighZero with
        DenHighNonZero.

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

        * cgraphunit.c (cgraph_function_possibly_inlined_p): Use
        really_no_inline.

2003-11-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.h (TRAMPOLINE_TEMPLATE): Fix flushing of cache lines when
        generating 64-bit code.

2003-11-10  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Remove
        accidental commit in previous change.

2003-11-10  Fariborz Jahanian <fjahanian@apple.com>

        * config/rs6000/rs6000.h (STACK_SIZE_MODE): Add definition.
        * config/rs6000/rs6000.c (reg_or_mem_operand): Add macho-style
        address recognition.
        (macho_lo_sum_memory_operand): Routine to recognize macho-style
        address recognition.

2003-11-10  Richard Henderson  <rth@redhat.com>

        * dwarf2out.c (gen_label_die): Cope with DECL_RTL not set.

2003-11-10  Matt Austern  <austern@apple.com>

        * config/darwin-protos.h (darwin_assemble_visibility): Declare.
        * config/darwin.c (darwin_assemble_visibility): Define.  Warn for
        anything other than VISIBILITY_DEFAULT and VISIBILITY_HIDDEN.
        * config/darwin.h (TARGET_ASM_ASSEMBLE_VISIBILITY): Use
        darwin_assemble_visibility instead of default.

2003-11-10  Waldek Hebisch  <hebisch@math.uni.wroc.pl>

        PR target/12865
        * config/sparc/sparc.c (sparc_initialize_trampoline): Call
        __enable_execute_stack only after writing onto the stack.
        (sparc64_initialize_trampoline): Likewise.

2003-11-09  Roger Sayle  <roger@eyesopen.com>

        * loop.c (check_dbra_loop): Try swapping the comparison operands
        of the loop condition to identify a suitable induction variable.
        * unroll.c (loop_iterations): Likewise.

2003-11-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * config/sparc/sparc.h (TARGET_CPU_CPP_BUILTINS): Fix sparc vs
        sparc64 #cpu and #machine assertions.

2003-11-09  Richard Henderson  <rth@redhat.com>

        * Makefile.in (rtlanal.o): Depend on BASIC_BLOCK_H.

2003-11-09  Jan Hubicka  <jh@suse.cz>

        * tree-optimize.c (tree_rest_of_compilation): Fix warning.

        * cgraphunit.c (cgraph_expand_function): Use
        cgraph_possibly_inlined_p.
        * tree-optimize.c (tree_rest_of_compilation): Do not kill saved tree.

        * opts.c (common_handle_option): Do not set max-inline-insns.
        * params.def: Update comments.
        (PARAM_MAX_INLINE_INSNS): Kill.
        * invoke.texi (max-inline-insns): Kill.

2003-11-08  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/3190
        PR c/8714
        * c-format.c (set_Wformat): Do not enable -Wformat-y2k by default.
        * invoke.texi: Update.

2003-11-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR optimization/12630
        * pa.c (compute_movstrsi_length): Rename to compute_movstr_length.
        Handle length computation 64-bit moves.
        (compute_clrstr_length, output_block_clear): Implement block clear.
        (output_block_move): Handle 64-bit moves.
        (pa_adjust_insn_length): Use compute_movstr_length and
        compute_clrstr_length.
        * pa.md (movstrsi): Revise operand order and comments.  Don't use
        match_scratch.
        (movstrsi_internal): Delete.
        (movstrsi_prereload, movstrsi_postreload): New insns.  Define splitter
        and peephole2 patterns to transform prereload to postreload form.
        (movstrdi, movstrdi_prereload, movstrdi_postreload, clrstrsi,
        clrstrsi_prereload, clrstrsi_postreload, clrstrdi, clrstrdi_prereload,
        clrstrdi_postreload): New patterns for 64-bit block move, and block
        clear.
        * pa-protos.h (output_block_clear): New prototype.

2003-11-08  Andreas Schwab  <schwab@suse.de>

        * dbxout.c (current_file): Also wrap inside DBX_DEBUGGING_INFO ||
        XCOFF_DEBUGGING_INFO.

2003-11-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * dbxout.c (current_file): Wrap declaration in DBX_USE_BINCL.

2003-11-07  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/rs6000.c (rs6000_legitimize_address): Remove
        redundant parens.

        * cppfiles.c (pch_open_file): New parameter 'invalid_pch', set it.
        (find_file_in_dir): Likewise.
        (_cpp_find_file): Print message if no header file is found
        but an invalid PCH file was.

2003-11-08  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-typeck.c (pedantic_lvalue_warning): Deprecate compound
        expressions as lvalues.
        (internal_build_compound_expr): Remove special handling for
        non-pedantic case.
        * doc/extend.texi: Document that all extended lvalues are now
        deprecated.

2003-11-07  Geoffrey Keating  <geoffk@apple.com>

        PR 11654
        * dbxout.c (struct dbx_file): Do not save for PCH.
        (current_file): Likewise.
        (dbxout_init): Don't allocate struct dbx_file using GC.
        (dbxout_start_source_file): Likewise.

2003-11-07  Falk Hueffner  <falk@debian.org>

        * config/alpha/elf.h, config/alpha/unicosmk.h,
        config/alpha/vms.h: Convert to ISO C90.

2003-11-07  Nathanael Nerode  <neroden@gcc.gnu.org>

        * config/arm/pe.h: Convert to ISO C90.

2003-11-07  J"orn Rennecke <joern.rennecke@superh.com>

        * sh-protos.h (sh_pch_valid_p): Declare.
        * sh.c ("intl.h"): Include.
        (TARGET_PCH_VALID_P): Override.
        (sh_target_switches): New variable.
        (target_switches): Define.
        (sh_pch_valid_p): New function.

        * sh.h (MODE_AFTER): Don't change mode unless TARGET_HITACHI.

2003-11-07  Jan Hubicka  <jh@suse.cz>

        * i386.c (x86_64_sign_extended_value):  Return false from tls variables.
        (x86_64_zero_extended_value):  likewise.

2003-11-07  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (loadgp): Take $25 as a second operand.
        * config/mips/mips.c (mips_expand_prologue): Modify accordingly.

2003-11-06  Matt Austern <austern@apple.com>

        * c-common.c (handle_visibility_attribute): Set DECL_VISIBILITY
        field instead of hanging an attribute object off the decl.
        * tree.h (DECL_VISIBLITY): New accessor macro for
        symbol_visibility field in struct tree_decl.
        (enum symbol_visibility): Move definition to before tree_decl.
        (struct tree_decl): Define new two-bit field, symbol_visibility.
        (decl_visibility): Remove declaration.
        * varasm.c (maybe_assemble_visibility): Use DECL_VISIBILITY
        instead of decl_visibility.
        (default_binds_local_p_1):  Use DECL_VISIBILITY instead of
        decl_visibility.
        (decl_visibility): Remove.

2003-11-06  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_emit_epilogue): Recognize more cases
        where register 14 will be saved.

2003-11-06  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/rs6000.h (USE_FP_FOR_ARG_P): Move to rs6000.c.
        (USE_ALTIVEC_FOR_ARG_P): Likewise.
        * config/rs6000/rs6000.c (USE_FP_FOR_ARG_P): Move from rs6000.h.
        Take a pointer as the CUM parameter.  Update callers.
        (USE_ALTIVEC_FOR_ARG_P): Likewise.  Also correct for Darwin/AIX
        32-bit ABIs.
        (function_arg_advance): Use USE_ALTIVEC_FOR_ARG_P.  Correct case
        of vector parameters as named arguments of stdarg function.
        (function_arg): Likewise.

        * config/rs6000/darwin.h (ASM_SPEC): Use -force_cpusubtype_ALL when
        -maltivec is specified, not the non-existent -faltivec.

2003-11-06  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390-protos.h (s390_function_value): Declare.
        * config/s390/s390.c (TARGET_RETURN_IN_MEMORY): Define.
        (s390_return_in_memory): New function.
        (s390_function_value): New function.
        (s390_function_arg_float): Return false for all arguments larger
        than 8 bytes.
        (s390_function_arg_pass_by_reference): Likewise.  Return true for
        all vector arguments.
        (s390_function_arg_integer): New function.
        (s390_function_arg_advance): Call it.  Add sanity checks.
        (s390_function_arg): Likewise.
        * config/s390/s390.h (FUNCTION_VALUE): Call s390_function_value.
        (LIBCALL_VALUE): Likewise.
        (RET_REG): Remove.
        (RETURN_IN_MEMORY): Remove.

2003-11-06  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips-protos.h (mips_initial_elimination_offset): Change
        return type to HOST_WIDE_INT.
        * config/mips/mips.c (mips_frame_info): Give sizes type HOST_WIDE_INT.
        Make initialized a bool.  Make register masks unsigned ints.
        (compute_frame_size): Make same mask change here.  Use HOST_WIDE_INT
        where appropriate.
        (mips_initial_elimination_offset): Return a HOST_WIDE_INT.
        (mips_output_function_prologue): Print sizes as HOST_WIDE_INTs.

2003-11-06  Richard Sandiford  <rsandifo@redhat.com>

        * config/frv/frv.c (frv_initial_elimination_offset): Remove bogus
        negation.

2003-11-06  Richard Sandiford  <rsandifo@redhat.com>

        * config/frv/frv.h (ASM_OUTPUT_ALIGN_WITH_NOP): Define.

2003-11-06  Momchil Velikov  <velco@fadata.bg>

        * config/mips/mips.c (override_options): Set MASK_SOFT_FLOAT
        for VR4111 too.

2003-11-06  Jan Hubicka  <jh@suse.cz>

        * builtins.c (simplify_builtin_strrchr, simplify_builtin_strpbrk): Add
        missing casts.

2003-11-06  Zack Weinberg  <zack@codesourcery.com>

        * genmodes.c: Change the word "bitsize" to "precision" throughout.
        * machmode.def: Likewise.
        * machmode.h (GET_MODE_SIZE): Cast value to unsigned short.
        (GET_MODE_BITSIZE): Define as GET_MODE_SIZE * BITS_PER_UNIT.
        (GET_MODE_PRECISION): New macro.
        (mode_bitsize): Renamed mode_precision.
        * stor-layout.c (mode_for_size, smallest_mode_for_size):
        Use GET_MODE_PRECISION; clarify comments.

2003-11-05  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/install-old.texi: Remove old documentation of building
        cross-compilers.
        * doc/install.texi: Move some of it to here.

2003-11-05  Per Bothner  <pbothner@apple.com>

        PR preprocessor/12891
        * c-opts.c (finish_options):  Set include_cursor to disable premature
        calls to push_command_line_include from cpp_scan_nooutput.
        Fixes bug reported by DJ Delorie.

2003-11-05  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/rs6000.c (setup_incoming_varargs): Remove
        code supporting old-style varargs.

        * config/rs6000/rs6000.c (rs6000_machopic_legitimize_pic_address): Use
        an intermediate register for better optimisation.

2003-11-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR optimization/10080
        * cfgloopanal.c (variable_initial_value, variable_initial_values,
        simple_loop_exit_p): Record the fact that initial value is extended
        from inner mode.
        (count_strange_loop_iterations, count_loop_iterations): Handle
        ivs that iterate in a narrower mode. Fix handling of overflows.
        Improve handling of NE conditions.
        (inverse, fits_in_mode_p): New static functions.
        (simple_increment): Detect variables that iterate in a narrower mode.
        * cfgloop.h (struct loop_desc): Fields inner_mode and extend added.

2003-11-05  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/rs6000.c (compute_vrsave_mask): Correct off-by-one
        error.

        * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Darwin
        needs VRSAVE.

2003-11-05  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-typeck.c (pedantic_lvalue_warning): Deprecate use of
        conditional expressions as lvalues.

2003-11-05  Kazu Hirata  <kazu@cs.umass.edu>

        * tsystem.h: Add the prototype of strlen.
        * unwind-pe.h (read_encoded_value_with_base): Add an
        appropriate cast to handle a case where the pointer size is
        smaller than sizeof (int).

2003-11-04  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips-protos.h (mips_global_pic_constant_p): Delete.
        (mips_delegitimize_address): Delete.
        (mips_gotoff_global, mips_load_got_page): Declare.
        (mips_load_got_global, mips_rewrite_small_data): Declare.

        * config/mips/mips.h (FIND_BASE_TERM): Remove definition.
        (DANGEROUS_FOR_LA25_P): Use global_got_operand.
        (PREDICATE_CODES): Add global_got_operand, local_got_operand and
        small_data_pattern.  Remove CONST from const_arith_operand's entry.

        * config/mips/mips.c (UNSPEC_ADDRESS_P, CONST_GP_P): New macros.
        (UNSPEC_ADDRESS, UNSPEC_ADDRESS_TYPE): Likewise.
        (mips_constant_type): Delete.
        (mips_symbol_type): Add SYMBOL_GOTOFF_PAGE, SYMBOL_GOTOFF_GLOBAL,
        SYMBOL_GOTOFF_CALL and SYMBOL_GOTOFF_LOADGP.
        (NUM_SYMBOL_TYPES): New macro.
        (mips_address_type): Remove ADDRESS_INVALID.
        (machine_function): Add has_gp_insn_p.
        (mips_constant_info): Delete.
        (mips_address_info): Add the address type as an extra field.  Replace
        the c field with symbol_type.
        (mips_split_p, mips_lo_relocs, mips_hi_relocs): New arrays.
        (TARGET_DELEGITIMIZE_ADDRESS): Remove definition.
        (mips_reloc_offset_ok_p, mips_classify_constant): Delete.
        (mips_split_const, mips_symbolic_constant_p): New functions.
        (mips_symbolic_address_p): Take the symbol type and mode as arguments.
        (mips_classify_address): Return true if the address is valid, storing
        its type in INFO.  Use mips_symbolic_constant_p.  Use mips_lo_relocs[]
        to test whether a LO_SUM address is allowed.
        (mips_symbol_insns): Return 0 for general mips16 symbols.
        Reorder SYMBOL_GOT_GLOBAL case to match mips_symbol_type definition.
        Handle the new SYMBOL_GOTOFF_*s.
        (mips_address_insns): Update call to mips_classify_address.
        (mips_const_insns): Be more fussy about HIGH constants.  Remove use
        of mips_classify_constant.  Be more accurate about CONSTs.
        (mips_global_pic_constant_p): Delete.
        (const_arith_operand): Only accept CONST_INTs.
        (call_insn_operand): Remove call to mips_classify_constant.
        Let mips_symbolic_constant_p check for invalid offsets.
        (move_operand): Check for general_operands first.  Only accept symbolic
        constants if they satisfy mips_symbolic_constant_p and cannot be split.
        (symbolic_constant): Use mips_symbolic_constant_p.
        (global_got_operand, local_got_operand): New predicates.
        (stack_operand): Update call to mips_classify_address.
        (mips_legitimate_address_p): Likewise.
        (mips_reloc, mips_lui_reloc): Delete.
        (mips_force_temporary): Only use the given temporary if no_new_pseudos.
        Use emit_move_insn.
        (mips_split_symbol, mips_unspec_address): New functions.
        (mips_unspec_offset_high): New function.
        (mips_load_got): Replace reloc argument with a symbol_type.
        Use mips_unspec_address to create the address and put it in a
        LO_SUM with the base register.
        (mips_load_got16, mips_load_got32): Delete.
        (mips_emit_high, mips_legitimize_symbol): Delete.
        (mips_gotoff_global): New function.
        (mips_load_got_page, mips_load_got_global): New functions.
        (mips_legitimize_symbol): Inline handling of LO_SUM splits.
        (mips_legitimize_const_move): Likewise.  Remove HIGH handling.
        Inline code to handle constants plus invalid offsets.  Use
        mips_split_symbol to legitimize constant pool addresses.
        (mips_delegitimize_address): Delete.
        (mips_rtx_costs): Give legitimate symbolic constants and CONST_DOUBLEs
        a cost of 1 insn.  Give the rest a cost of CONSTANT_POOL_ADDRESS.
        (mips_subword): Pass memrefs through mips_rewrite_small_data.
        (mips_output_move): Remove use of mips_classify_constant.
        (mips_expand_call): Use mips_unspec_offset_high to calculate the
        high part of the GOT address for calls to global functions.
        (override_options): Initialize mips_split_p[], mips_lo_relocs[]
        and mips_hi_relocs[].
        (print_operand): Use print_operand_reloc to handle '%h' and '%R'.
        Remove use of mips_classify_constant.
        (mips_reloc_string): Delete.
        (print_operand_reloc): New function.
        (print_operand_address): Update call to mips_classify_address.
        (mips_rewrite_small_data_p, small_data_pattern_1): New functions.
        (small_data_pattern): New predicate.
        (mips_rewrite_small_data_1, mips_rewrite_small_data): New functions.
        (mips_function_has_gp_insn): New function.
        (mips_global_pointer): Use it.
        (mips_gp_insn): Delete.
        (mips_expand_prologue): When compiling for n32/n64 abicalls, use a
        single loadgp pattern to initialize $gp.  Pass it the offset of _gp
        from the start of the current function.
        (mips16_gp_pseudo_reg): Revert last patch.

        * config/mips/mips.md (RELOC_*): Delete.
        (UNSPEC_LOADGP, UNSPEC_FIRST_ADDRESS): New constants.
        (got): New insn attribute.
        (type): Set to "load" if got == load.
        (length): Set to 4 if got == load, 8 if got == xgot_high.
        (lui[sd]i): Delete.
        (*xgot_hi[sd]i, *xgot_lo[sd]i): New patterns.
        (*got_disp[sd]i, *got_page[sd]i): Likewise.
        (*low[sd]i): Change constraints to "d".  Add a new define_split to
        rewrite small data constants into LO_SUMs.
        (loadgp): New insns.

2003-11-04  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/mips/_tilib.c: Use _ABI* in _MIPS_SIM tests.

2003-11-04  DJ Delorie  <dj@redhat.com>

        * config/v850/v850.md (mulhisi3): Expand the const_int case
        separately to avoid trying to sign extend the const.

2003-11-04  Richard Sandiford  <rsandifo@redhat.com>

        * emit-rtl.c (copy_rtx_if_shared): Don't allow MEMs with constant
        addresses to be shared.
        (force_const_mem): Return a copy of the pool entry.

2003-11-03  Andreas Jaeger  <aj@suse.de>

        * Makefile.in (GCC_CFLAGS): Remove @WERROR@ again.

2003-11-03  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in (cpp.dvi): New target split from cpp.info.
        (gcc.dvi):  New target split from gcc.info.
        (gccint.dvi): New target split from gccint.info.
        (cppinternals.dvi): New target split from cppinternals.info
        (gccinstall.info): New specific rule.
        (gccinstall.dvi): Likewise.
        (dvi): Move targets to $(docobjdir).
        ($(docobjdir)/%.dvi): New implicit rule.

2003-11-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * doc/gty.texi (tag, desc): Say more about role of desc values in
        selecting between tags.

2003-11-03  Alexander Kabaev  <ak03@gte.com>

        * real.c (encode_ieee_single): Ensure proper promotion.

2003-11-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * doc/contrib.texi: Add Giovanni Bajo, Dara Hazeghi, Falk Hueffner,
        and Andrew Pinski.

2003-11-03  Syd Polk  <spolk@apple.com>

        * config/rs6000/rs6000.c (rs6000_override_options): Add G3, G4, and G5
        marketing names to the list of supported processors.
        * config/rs6000/rs6000.h: Ditto.
        * doc/invoke.texi: Ditto.
        * config.gcc: Ditto.

2003-11-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * fixinc/inclhack.def (stdio_va_list): Allow tab before va_list.
        Merge two substitutions.
        * fixinc/fixincl.x: Regenerate.
        Fixes PR bootstrap/12666.

2003-11-03  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/install-old.texi: Remove VMS documentation.

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

        * i386.c (override_options):  Remove hack enabling 128bit long double
        commited by accident.

2003-11-02  Per Bothner  <per@bothner.com>

        * c-opts.c (needValue):  Do cpp_find_main_file before processing
        any imacros flags, so pfile->main_file is set for the latter.

2003-11-03  Andreas Jaeger  <aj@suse.de>
            Zack Weinberg  <zack@codesourcery.com>

        * Makefile.in (GCC_CFLAGS): Allow blacklisting of warnings.
        (SYSCALLS.c.X-warn): Suppress warnings.

2003-11-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR optimization/12845
        * pa.c (output_cbranch): Use cmpb for DImode comparisons with 0.

2003-11-02  Zack Weinberg  <zack@codesourcery.com>

        * print-rtl.c (print_rtx): Call PRINT_REG with second argument -1.
        * config/i386/i386.c (print_reg): Abort on a virtual register
        if code != -1; not if file == asm_out_file.
        * config/i386/i386.h (PRINT_REG): Document meaning of CODE == -1.
        (DEBUG_PRINT_REG): Delete, unused.

2003-11-02  Andreas Schwab  <schwab@suse.de>

        * config/ia64/fde-glibc.c (_GNU_SOURCE): Define to 1 instead of
        empty to avoid conflict with the definition from configure.

2003-11-02  Roger Sayle  <roger@eyesopen.com>

        PR optimization/10817
        * ifcvt.c (noce_emit_move_insn): Improve documentation comment.
        (noce_try_move): New function to optimize an if-the-else into an
        unconditional move, i.e. "if (a!=b) x=a; else x=b" into "x=a".
        (noce_process_if_block): Attempt simplification with noce_try_move.

        * simplify-rtx.c (simplify_ternary_operation): Some minor fixes
        and improvements to the optimizations of IF_THEN_ELSE expressions.
        (simplify_subreg): Silence signed/unsigned comparison warning.

2003-11-02  Richard Sandiford  <rsandifo@redhat.com>

        * Makefile.in (targhooks.o, reload.o): Update dependencies.
        (GTFILES): Add targhooks.c.
        (gt-targhooks.h): New rule; depend on s-gtype.
        * target.h (direct_pool_load_p): New hook.
        * target-def.h (TARGET_DIRECT_POOL_LOAD_P): New macro.
        (TARGET_INITIALIZER): Include it.
        * targhooks.h (default_direct_pool_load_p): Declare.
        (hook_bool_machine_mode_true): Declare.
        * targhooks.c: Include insn-config.h, recog.h, ggc.h and
        gt-targhooks.h.
        (pool_symbol): New variable.
        (default_direct_pool_load_p): New function.
        (hook_bool_machine_mode_true): New function.
        * reload.c: Include target.h.
        (find_reloads): If an alternative will force a constant into memory,
        count an extra reload if constant pool symbols are not valid
        addresses.  If an alternative uses memory to move values between
        registers, count the move as two reloads rather than one.
        * config/s390/s390.c (TARGET_DIRECT_POOL_LOAD_P): Define.
        * doc/tm.texi (TARGET_DIRECT_POOL_LOAD_P): Document.

2003-11-02  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR optimization/12799
        * postreload.c (reload_cse_move2add): Generate the add2
        patterns manually.

2003-11-02  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (function_arg_partial_nregs) [TARGET_ARCH64]:
        Return 0 for all complex modes whose size is lesser or equal to
        a word.  Add a ??? comment for the condition used with 16-byte
        aligned modes.

2003-11-01  Kelley Cook  <kcook@gcc.gnu.org>

        * .cvsignore: Remove c-parse* and tradcif.c.
        * objc/.cvsignore: Delete.

2003-11-01  Roger Sayle  <roger@eyesopen.com>

        * unwind-sjlj.c (_Unwind_GetCFA): Return (_Unwind_Word)0 instead
        of NULL.

2003-11-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * som.h (DO_GLOBAL_DTORS_BODY): Change to C90 declaration.

        * libgcc2.c (SYMBOL__MAIN): Provide C90 declaration.

        * collect2.c (scan_libraries): Fix typos.

        PR preprocessor/12847
        * cppfiles.c, cppexp.c, cpperror.c, cpplib.h, cpplib.c, cpplex.c,
        cppinit.c, cpptrad.c, cppmacro.c, fix-header.c, cpppch.c, c-pch.c,
        c-incpath.c, cppcharset.c (DL_WARNING, DL_WARNING_SYSHDR, DL_PEDWARN,
        DL_ERROR, DL_ICE, DL_EXTRACT, DL_WARNING_P): Prefix macro names with
        "CPP_".

2003-11-01  Fariborz Jahanian  <fjahanian@apple.com>

        * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Correct
        no_units calculation.

2003-11-01  Andreas Jaeger  <aj@suse.de>

        * unwind-dw2.c (_Unwind_FrameState): Remove commas at end of
        enumeration list.

2003-11-01  Andreas Schwab  <schwab@suse.de>

        * config/ia64/sysv4.h (SDATA_SECTION_FUNCTION): Update to C90
        prototypes.
        (SBSS_SECTION_FUNCTION): Likewise.

2003-11-01  Andreas Jaeger  <aj@suse.de>

        * Makefile.in (GCC_CFLAGS): Add @WERROR@ for target files.

2003-11-01  Andreas Tobler  <a.tobler@schweiz.ch>

        * config/rs6000/sysv4.h (EXTRA_SECTION_FUNCTIONS): Update to C90
        prototypes.

2003-11-01  Andreas Jaeger  <aj@suse.de>

        * unwind-dw2.c (_Unwind_FindEnclosingFunction): Constify variable.
        (uw_frame_state_for): Constify variables.
        (extract_cie_info): Constify first argument.

        * unwind-dw2-fde-darwin.c: Adjust prototype of
        _Unwind_Find_registered_FDE for recent changes.
        (examine_objects): Constify return value and local variable result.
        (_Unwind_Find_FDE): Constify return value and local variable ret.

2003-10-31  Per Bothner  <pbothner@apple.com>

        * c-opts.c (finish_options):  Change to returns boolean - false iff
        the call to cpp_find_main_file fails.
        (c_common_init):  Skip preprocess_file if finish_options failed.
        (c_common_parse_file):  Break if finish_options failed.
        Fixes PR preprocessor/12545.

2003-10-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * aclocal.m4: Blacklist ultrix* for mmap file.
        * configure: Rebuilt.

        * function.c (assign_parms): Add ATTRIBUTE_UNUSED to variable
        reg_parm_stack_space.
        * toplev.c (default_get_pch_validity): Fix warning.

        * vax.c: Include toplev.h.
        (vax_init_libfuncs): Fix typo (umod).
        * vax.h (ASM_COMMENT_START): Define.
        (PRINT_OPERAND): Fix warning when HOST_WIDE_INT is a long long.

2003-10-31  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/11968
        * expr.c (expand_expr <MULT_EXPR>): Remove inappropriate and
        confusing comment; distributivity isn't handled in expand_expr.
        * fold-const.c (extract_muldiv_1 <PLUS_EXPR>):  Allow overflow
        in distributivity, if wrap-around semantics are specified with
        -fwrapv.

2003-11-01  Alan Modra  <amodra@bigpond.net.au>

        PR 12315
        * final.c (profile_function): Allow for NULL svrtx.

2003-10-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (pa_select_section): Use new style declaration.
        * som.h (readonly_data): Likewise.

2003-10-31  Kelley Cook  <kcook@gcc.gnu.org>

        * config/rs6000/rs6000.c: Update to C90 prototypes.

2003-10-31  Richard Earnshaw  <rearnsha@arm.com>

        PR target/7513
        * arm.h (CONDITIONAL_REGISTER_USAGE): Disable use of LR in Thumb
        code.

2003-10-31  Andreas Jaeger  <aj@suse.de>,
            Zack Weinberg  <zack@codesourcery.com>


        * crtstuff.c (__register_frame_info, __register_frame_info_bases)
        (__deregister_frame_info, __deregister_frame_info_bases):
        Constify void * argument.
        * unwind-dw2-fde.h (struct fde_vector):
        Constify 'orig_data' and 'array' fields.
        (__register_frame_info, __register_frame_info_bases)
        (__deregister_frame_info, __deregister_frame_info_bases):
        Constify void * argument.
        (get_cie, next_fde, _Unwind_Find_FDE): Constify arguments,
        return values, and casts of type fde *, struct dwarf_fde *,
        and struct dwarf_cie *.
        * unwind-dw2-fde.c (__register_frame_info, __register_frame_info_bases)
        (__deregister_frame_info, __deregister_frame_info_bases):
        Constify void * argument.
        (get_cie_encoding, ): Constify struct dwarf_cie * argument.
        (get_fde_encoding, fde_unencoded_compare, fde_single_encoding_compare)
        (fde_mixed_encoding_compare, fde_compare_t, start_fde_sort, fde_insert)
        fde_split, SWAP, frame_downheap, frame_heapsort)
        (classify_object_over_fdes, add_fdes, linear_search_fdes,
        binary_search_unencoded_fdes, binary_search_single_encoding_fdes,
        binary_search_mixed_encoding_fdes, search_object, _Unwind_Find_FDE):
        Constify arguments, local variables, return values, and casts
        of type fde *, fde **, struct dwarf_fde *, and struct dwarf_cie *.
        Use const pointer types in sizeof expressions, for clarity.
        * unwind-dw2-fde-glibc.c
        (_Unwind_find_registered_FDE, _Unwind_find_FDE): Constify return value.
        (struct unw_eh_callback_data): Constify 'ret' field.

2003-10-31  Fariborz Jahanian  <fjahanian@apple.com>
            David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_mixed_function_arg): New.
        (function_arg): Call it.
        (rs6000_function_value): Widen integral return value to mode based
        on TARGET_32BIT, not word_mode.
        * config/rs6000/rs6000.h (PROMOTE_MODE): Likewise.
        (UNITS_PER_ARG): New.
        (RS6000_ARG_SIZE): Use it.

2003-10-31  Gerald Pfeifer  <gerald@pfeifer.com>

        * .cvsignore: No longer ignore gengtype-lex.c, gengtype-yacc.c,
        and gengtype-yacc.h.

2003-10-31  Richard Earnshaw  <rearnsha@arm.com>

        PR optimization/8896
        * postreload.c (reload_combine): Check that REGY doesn't die in an
        insn of the form (set (regx) (plus (regx) (regy))), ie REGX != REGY.

2003-10-31  Josef Zlomek  <zlomekj@suse.cz>

        PR/10239
        * cfgrtl.c (delete_insn): Decrease LABEL_NUSES for all REG_LABEL notes.

2003-10-31  Josef Zlomek  <zlomekj@suse.cz>

        PR/11640
        * cfgrtl.c (try_redirect_by_replacing_jump): Move jump
        immediatelly before BARRIER.

2003-10-31  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in (STRICT2_WARN): Add -Wold-style-definition.

2003-10-31  Richard Earnshaw  <rearnsha@arm.com>

        PR target/11271
        * reload.c (find_reloads_address): Handle any register in
        (PLUS (PLUS (REG) (REG)) (CONST_INT).

2003-10-31  Richard Earnshaw  <rearnsha@arm.com>

        * ggc-page.c (ggc_pch_read): Wrap call to poison_pages in
        ENABLE_GC_CHECKING not in GGC_POISON.

2003-10-31  Nathanael Nerode  <neroden@gcc.gnu.org>

        PR bootstrap/9863
        * configure.in: Bail out if awk is missing.
        * configure: Regenerate.

        PR ada/12761
        * Makefile.in: Move default definitions of X_ADA_CFLAGS,
        T_ADA_CFLAGS, X_ADAFLAGS, T_ADAFLAGS from ada/Make-lang.in to here.

2003-10-30  Richard Henderson  <rth@redhat.com>

        * c-objc-common.c (c_tree_printer): Handle types correctly.
        Factor code a bit.

2003-10-30 Kelley Cook <kcook@gcc.gnu.org>

        * value-prof.c, web.c: Update to C90.

2003-10-30  Eric Christopher  <echristo@redhat.com>

        * function.c (purge_addressof_1): Add case for REG_RETVAL
        notes when modes are unequal.

2003-10-31  Jan Hubicka  <jh@suse.cz>

        * i386-modes.def: Add XFmode format adjustment.

2003-10-30  Jan Hubicka  <jh@suse.cz>

        * real.c (encode_ieee_extended): Back out previous patch.

2003-10-30  Jan Hubicka  <jh@suse.cz>

        * real.c (encode_ieee_extended): Initialize whole array.
        * reg-stack.c (move_for_stack_reg0: Use always XFmode.
        * i386-modes.def: Change definitions of TFmode and XFmode.
        * i386.c (classify_argument): Rename TFmodes to XFmodes; add new TFmode
        code.
        (construct_container): Allow constructing of TFmode integer containers.
        (ix86_return_in_memory):  XFmode is not returned in memory.
        (init_ext_80387_constants): Always use XFmode.
        (print_operand): Likewise.
        (ix86_prepare_fp_compare_regs): Likewise.
        (split_to_parts): Deal with TFmode.
        (split_long_move): Simplify.
        (ix86_init_mmx_sse_builtins): Add __float80, __float128.
        (ix86_memory_move_cost): Do not confuse TFmode.
        * i386.h (LONG_DOUBLE_TYPE_SIZE): Set to 96.
        (IS_STACK_MODE): TFmode is not stack mode.
        (HARD_REGNO_NREGS, CLASS_MAX_NREGS): Deal nicely with XFmode.
        (VALID_SSE_REG_MODE): Allow TFmode.
        (VALID_FP_MODE_P): Disallow TFmode.
        (VALID_INT_MODE_P): Allow TFmode in 64bit mode.
        * i386.md (TFmode patterns): Kill.
        (movtf, motf_rex64): New patterns.

2003-10-30  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (adddi3): Fix typo in mips16 stack pointer code.

2003-10-30  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (mov_lwl): Use memory_operand where appropriate.
        (mov_lwr, mov_swl, mov_swr): Likewise.
        (mov_ldl, mov_ldr, mov_sdl, mov_sdr): Likewise.

2003-10-30  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_global_pointer): Don't try to use $25.

2003-10-30  Richard Henderson  <rth@redhat.com>

        * config/mips/mips.c (mips_build_builtin_va_list): Use runtime
        test for irix6 rather than preprocessor test.

2003-10-30  Richard Henderson  <rth@redhat.com>

        * cppcharset.c (one_utf8_to_utf16): Initialize 's' to silence warning.

2003-10-30  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (struct machine_function): Use save_return_addr_p
        as a general flag that the return address register needs to be saved,
        not necessarily because of __builtin_return_addr (0).
        (s390_split_branches): Remove TEMP_REG and TEMP_USED arguments,
        remove special handling of zSeries machines.
        (s390_optimize_prolog): Remove TEMP_USED argument, treat the return
        register as a regular register on zSeries machines.
        (s390_reorg): Adjust calls to s390_split_branches and
        s390_optimize_prolog.
        (s390_frame_info): On zSeries machines, do not assume the return
        register is always used.  Update regs_ever_live with current data
        for the special registers.
        (s390_emit_epilogue): Use save_return_addr_p to determine whether
        the return register was saved.
        * config/s390/s390.h (CONDITIONAL_REGISTER_USAGE): Do not mark
        RETURN_REGNUM fixed on zSeries machines.
        (REG_ALLOC_ORDER): Use RETURN_REGNUM last.
        * config/s390/s390.md ("*doloop_si"): Handle branch overflow
        via ahi-jgne pair on zSeries machines.
        ("*doloop_di"): Likewise.
        ("*doloop_di_long"): Remove.

2003-10-30  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_override_options): Revert change of arm_constant_limit
        when optimizing for size.

2003-10-29  Richard Henderson  <rth@redhat.com>

        * fold-const.c (fold_single_bit_test): Convert the input to the
        operational intermediate type.

2003-10-29  Richard Henderson  <rth@redhat.com>

        * builtins.c (std_build_builtin_va_list): New.
        * expr.h (std_build_builtin_va_list): Declare.
        * defaults.h (BUILD_VA_LIST_TYPE): New.
        * system.h (BUILD_VA_LIST_TYPE): Poison.
        * target-def.h (TARGET_BUILD_BUILTIN_VA_LIST): New.
        * target.h (struct gcc_target): Add build_builtin_va_list.
        * tree.c (build_common_tree_nodes_2): Use it.

        * config/alpha/alpha-protos.h, config/alpha/alpha.c,
        config/alpha/alpha.h, config/alpha/unicosmk.h,
        config/d30v/d30v-protos.h, config/d30v/d30v.c, config/d30v/d30v.h,
        config/i386/i386-protos.h, config/i386/i386.c, config/i386/i386.h,
        config/i860/i860-protos.h, config/i860/i860.c, config/i860/i860.h,
        config/i960/i960-protos.h, config/i960/i960.c, config/i960/i960.h,
        config/mips/iris6.h, config/mips/mips-protos.h, config/mips/mips.c,
        config/mips/mips.h, config/rs6000/rs6000-protos.h,
        config/rs6000/rs6000.c, config/rs6000/rs6000.h,
        config/s390/s390-protos.h, config/s390/s390.c, config/s390/s390.h,
        config/sh/sh-protos.h, config/sh/sh.c, config/sh/sh.h,
        config/xtensa/xtensa-protos.h, config/xtensa/xtensa.c,
        config/xtensa/xtensa.h: Rename foo_build_va_list to
        foo_build_builtin_va_list; make it static.  Define
        TARGET_BUILD_BUILTIN_VA_LIST.  Remove BUILD_VA_LIST_TYPE.
        Update protos.

        * config/i386/i386.c (ix86_expand_carry_flag_compare): Make static.
        * config/iq2000/iq2000.h (BUILD_VA_LIST_TYPE): Remove.

2003-10-29  James E Wilson  <wilson@specifixinc.com>

        * recog.c (asm_operand_ok): Add missing break after case 'X'.
        Change if statements to else if statements in default case.
        (extract_constrain_insn_cached): Fix misspelling of constrain_operands
        in comment.
        (constrain_operands_cached): Likewise.
        (constrain_operands): Change if statements to else if statements in
        default case.
        * reload.c (find_reloads): Likewise.

2003-10-29  Richard Henderson  <rth@redhat.com>

        * config/m68k/m68k.c (notice_update_cc): Clear cc status for
        shifts and rotates.

2003-10-30  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.md: Remove duplicate pattern.

2003-10-29  Hans-Peter Nilsson  <hp@axis.com>

        * real.c (do_divide): Initialize result with a 0.

        * configure.in <enable-checking for valgrind>: Look for
        <valgrind/memcheck.h> first.  AC_DEFINE HAVE_VALGRIND_MEMCHECK_H
        if it exists.
        * configure, config.in: Regenerate.
        * ggc-common.c [ENABLE_VALGRIND_CHECKING &&
        HAVE_VALGRIND_MEMCHECK_H]: Include <valgrind/memcheck.h>.  Use
        #elif for other alternatives.
        * ggc-page.c: Ditto.
        * ggc-zone.c: Don't assume <valgrind/memcheck.h>; instead copy
        include structure from ggc-common.c.

2003-10-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa-linux.h (ASM_OUTPUT_ADDR_VEC_ELT): Use label in big switch ELTs.
        (ASM_OUTPUT_ADDR_DIFF_ELT): Use label difference in big switch ELTs.
        * pa.c (pa_adjust_insn_length): Check for btable branches using
        attribute TYPE_BTABLE_BRANCH.
        (pa_reorg): Simplify.
        * pa.h (CASE_VECTOR_MODE): Change big switch mode to SImode.
        (ASM_OUTPUT_ADDR_VEC_ELT): As above.
        (ASM_OUTPUT_ADDR_DIFF_ELT): As above.
        * pa.md (btable_branch): New instruction type.
        (in_branch_delay, in_nullified_branch_delay, in_call_delay): Disallow
        btable branches.
        (define_delay): Add btable branches to insn types that may have an
        insn in the delay position.
        (Z2, Z3): Add btable branch to list.
        Simplify unamed pattern set copy pic_label_operand to register.  Add
        PA 2.0 variant.
        (short_jump): New jump for use in branch tables.
        (casesi, casesi0): Revise for new branch table formats.
        (casesi32, casesi32p, casesi64p): New casesi patterns.
        (indirect_jump): Move.

2003-10-29  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (UNITS_PER_WORD): Revert to
        !TARGET_POWERPC64.
        (UNITS_PER_GPR_WORD): Delete.
        (HARD_REGNO_NREGS): Revert to UNITS_PER_WORD.
        (HARD_REGNO_MODE_OK): Same.
        (CLASS_MAX_NREGS): Same.

2003-10-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.h (ASM_COMMENT_START): Define.

2003-10-29  Zack Weinberg  <zack@codesourcery.com>

        * genmodes.c (complete_mode): Record MODE_CC, MODE_INT,
        MODE_FLOAT, and MODE_PARTIAL_INT modes as having one
        component, not zero.

2003-10-29  Andreas Schwab  <schwab@suse.de>

        * config/ia64/t-ia64 (LIB2ADDEH): Add $(srcdir)/gthr-gnat.c.

2003-10-29  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (function_arg_partial_nregs) [TARGET_ARCH64]:
        Never return 1 for complex integral modes whose size is lesser or
        equal to a word.
        (function_arg_pass_by_reference) [TARGET_ARCH64]: Mention CTImode
        in the comment.
        (function_arg_advance) [TARGET_ARCH64]: Don't special-case complex
        modes.
        (sparc_va_arg) [TARGET_ARCH64]: Handle any types whose size is
        greater than 16 bytes by reference.

2003-10-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * config/ia64/ia64.c (ia64_assemble_integer): Test POINTER_SIZE,
        not TARGET_ILP32.
        (ia64_initialize_trampoline): Use globalize_label target call.

2003-10-29  Andreas Schwab  <schwab@suse.de>

        * doc/install.texi (Building): Add a sentence about building Ada
        for a canadian cross.

2003-10-28  Zack Weinberg  <zack@codesourcery.com>

        * config/ia64/ia64.c (cmptf_libfunc): New static.
        (ia64_expand_compare): Add logic to open-code calls to
        _U_Qfcmp for TFmode comparisons.
        (ia64_hpux_init_libfuncs): Initialize cmptf_libfunc.
        Set libfuncs for TFmode eq/ne/gt/ge/lt/gt to 0; these should
        never be generated anymore.
        * config/ia64/ia64.md (cmptf): New expander.

2003-10-28  Zack Weinberg  <zack@codesourcery.com>

        * ia64.md (UNSPEC_SETF_EXP,UNSPEC_FR_SQRT_RECIP_APPROX): New constants.
        (*sqrt_approx): New instruction pattern for approximate square roots.
        (*setf_exp_xf): New instruction pattern for exponentiation.
        (*maddxf4_alts_truncsf): New instruction pattern for truncation.
        (sqrtsf2_internal_thr): New define_and_split implementing
        throughput-optimized inline calculation of SFmode square root.
        (sqrtdf2_internal_thr): Likewise for DFmode.
        (sqrtxf2_internal_thr): Likewise for XFmode.
        (sqrtsf2, sqrtdf2, sqrtxf2): New expanders to choose between
        latency- and throughput-optimized square root algorithms.
        * ia64.h (MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR,
        TARGET_INLINE_SQRT_LAT, TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT):
        New macros.
        (TARGET_SWITCHES): Add -minline-sqrt-min-latency and
        -minline-sqrt-max-throughput.
        * ia64.c (ia64_override_options): If both -minline-sqrt-min-latency
        and -minline-sqrt-max-throughput are given, notify the user
        that both options cannot be used simultaneously.
        If -minline-sqrt-min-latency is given, notify the user that
        this mode is not yet implemented.
        (rtx_needs_barrier): Reformat initial comment to obey
        72-character width limit.  Support UNSPEC_SETF_EXP and
        UNSPEC_FR_SQRT_RECIP_APPROX.

2003-10-29  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.md (movdf_softfloat64): Allow dummy ctr,ctr
        moves.

2003-10-28  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        PR target/11598
        PR libgcj/10610
        * config/rs6000/sysv4.h (PREFERRED_STACK_BOUNDARY): New macro.

2003-10-28  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_output_epilogue): When using a frame pointer, don't emit
        an extra stack adjustment insn if the stack pointer is already
        pointing at the right place.
        (use_return_insn): Allow a return insn to be used when we have a
        frame pointer if the stack pointer is in the right place.
        (output_return_instruction): Handle it.

2003-10-28  Andreas Jaeger  <aj@suse.de>

        * ggc-zone.c (check_cookies): Add missing variable.
        Add void to prototypes.

2003-10-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * config/mips/irix6-libc-compat.c (inet_makeaddr): Prototype.
        * crtstuff.c (__do_global_ctors_1): Move prototype.
        * unwind-dw2.c (NO_SIZE_OF_ENCODED_VALUE): Define when
        appropriate.
        * unwind-sjlj.c (_Unwind_GetCFA, _Unwind_FindEnclosingFunction):
        Mark parameter with __attribute__((unused)).

2003-10-27  Zack Weinberg  <zack@codesourcery.com>

        * c-decl.c (pushdecl): Clarify comment.

2003-10-27  Arnaud Charlet  <charlet@act-europe.fr>

        * doc/install.texi: Update instructions for Ada cross builds

        PR ada/5909:
        * doc/sourcebuild.texi: Document Ada test suite.

2003-10-27  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c: Convert to ISO C90.
        * config/m68hc11/m68hc11-protos.h: Likewise.

2003-10-27  Jan Hubicka  <jh@suse.cz>
            Eric Botcazou  <ebotcazou@libertysurf.fr>

        * toplev.c (enum dump_file_index, dump_file): Fix ordering of
        webizer pass dump.

2003-10-27  Jakub Jelinek  <jakub@redhat.com>
            Jan Hubicka  <jh@suse.cz>

        * reload1.c (struct elim_table): Change offset, initial_offset and
        previous_offset fields to HOST_WIDE_INT.
        (offsets_at): Change from int to HOST_WIDE_INT.
        (reload): Adjust offsets_at initialization.
        (eliminate_regs_in_insn): Change type of offset to HOST_WIDE_INT.
        (verify_initial_elim_offsets): Change type of t to HOST_WIDE_INT.
        * config/i386/i386.c (ix86_compute_frame_layout): Change offset type
        to HOST_WIDE_INT.  Don't save regs using mov for huge frame sizes
        if TARGET_64BIT.
        (pro_epilogue_adjust_stack): New function.
        (ix86_expand_prologue, ix86_expand_epilogue): Use it.
        * config/i386/i386.md (pro_epilogue_adjust_stack): Remove.
        (pro_epilogue_adjust_stack_1): Remove * in front of name.
        (pro_epilogue_adjust_stack_rex64): Handle -2147483648 properly.
        (pro_epilogue_adjust_stack_rex64_2): New insn.

        * config/i386/i386.c (ix86_expand_epilogue): Fix comment typo.

        * config/i386/i386.c (ix86_expand_call): Replace 40 with
        FIRST_REX_INT_REG + 3 /* R11 */.

2003-10-26  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.md (attr cannot_copy): New.
        (call_osf_2_er, call_value_osf_2_er, ldgp_er_1, ldgp_er_2,
        prologue_ldgp_er_2, prologue_ldgp_1): Set it.
        * config/alpha/alpha.c (alpha_cannot_copy_insn_p): Test it.

2003-10-26  Daniel Berlin  <dberlin@dberlin.org>

        * ggc-zone.c:  New file, zone allocating collector.
        * configure: Accept zone option for --with-gc
        * configure.in: Ditto.
        * ggc.h (ggc_pch_count_object): Pass bool indicating
        stringiness. Update all callers.
        (ggc_pch_alloc_object): Ditto.
        (ggc_pch_write_object): Ditto.
        (ggc_alloc_rtx): Use typed allocation, since all RTX's are of a single
        type.
        (ggc_alloc_rtvec): Ditto.
        (ggc_alloc_tree): Use zone allocation, since some things using this macro
        aren't a single typecode.
        * ggc-none.c (ggc_alloc_typed): New function.
        (ggc_alloc_zone): Ditto.
        * ggc-page.c: Ditto on both functions.

2003-10-26  Gunther Nikl  <gni@gecko.de>

        * config/m68k/m68k.c (m68k_compute_frame_layout): Ensure FPU related
        frame information is always valid.
        (m68k_output_function_prologue): Remove superfluous TARGET_68881
        test; fix formatting.

2003-10-26  Gunther Nikl  <gni@gecko.de>

        * config/m68k/m68k.c (m68k_compute_frame_layout): Swap reg_mask and
        reg_rev_mask computation.
        (m68k_output_function_prologue): Fix usage of current_frame (one typo
        and one missing); use reg_rev_mask not reg_mask.
        (m68k_output_function_epilogue): Fix usage of current_frame;
        use fpu_rev_mask not fpu_mask.

2003-10-26  Bernardo Innocenti  <bernie@develer.com>

        * config/m68k/m68k.c (m68k_output_function_prologue): Eliminate
        num_saved_regs, use current_frame.reg_no instead.

2003-10-26  Bernardo Innocenti  <bernie@develer.com>
            Paul Dale  <pauli@snapgear.com>

        * doc/extend.texi (interrupt_handler): Add m68k to the
        list of processors implementing it.
        * doc/invoke.texi (-msep-data): Document new m68k option.
        (-mno-sep-data): Likewise.
        (-mid-shared-library): Likewise.
        (-mno-id-shared-library): Likewise.
        (-mshared-library-id): Likewise.

2003-10-26  Andreas Jaeger  <aj@suse.de>

        * unwind-dw2.c (_Unwind_GetGR): Avoid warning about unsigned
        comparison.
        (_Unwind_SetGR): Likewise.

2003-10-26  Ottavio Campana <ottavio@campana.vi.it>

        PR target/12690
        * config/i386/mmintrin.h (_mm_set1_pi8): Fix comment.

2003-10-26  Gunther Nikl  <gni@gecko.de>

        * config/m68k/m68k.c (m68k_output_function_prologue): Move front
        comment from here to...
        (m68k_save_reg): ...here. Fix comment formatting.
        (m68k_output_function_prologue): Fix comment formatting.
        (m68k_output_function_epilogue): Likewise.
        (const_method): Likewise.

2003-10-26  Kazu Hirata  <kazu@cs.umass.edu>

        * toplev.c (default_get_pch_validity): Guard the use of
        target_options with #ifdef TARGET_OPTIONS.
        (default_pch_valid_p): Likewise.

2003-10-26  Andreas Jaeger  <aj@suse.de>
            Zack Weinberg  <zack@codesourcery.com>
            Andreas Tobler <toa@pop.agri.ch>

        * dwarf2out.c (output_cfi): Use HOST_WIDE_INT_PRINT.
        (output_die): Likewise.
        (print_die): Likewise.

2003-10-26  Andreas Jaeger  <aj@suse.de>

        * tree.h (dwarf2out_def_cfa, dwarf2out_args_size,
        dwarf2out_reg_save, new_loc_descr): Update prototypes for recent
        dwarf2out.c change.

        * toplev.c (default_pch_valid_p): Fix warning.

2003-10-25  Roger Sayle  <roger@eyesopen.com>

        * simplify-rtx.c (simplify_replace_rtx): Avoid allocating duplicate
        RTL nodes.  If an operator's operands are unchanged, return the
        original argument unchanged.

2003-10-26  Graham Stott  <graham.stott@btinternet.com>

        Fix bootstrap failure.
        * expmed.c (store_bit_field): Don't compare bitsize against
        modes with zero bit-size.

        (extract_bit_field): Likewise

2003-10-25  Jan Hubicka  <jh@suse.cz>

        * dwarf2out.c (dw_cfi_oprnd_struct): Offset is HOST_WIDE_INT.
        (cfa_loc): Likewise.
        (reg_save, stack_adjust_offset, queue_reg_save): Replace long by
        HOST_WIDE_INT.
        (args_size, old_args_size): change type to HOST_WIDE_INT.
        (dwarf2out_def_cfa, dwarf2out_args_size,
        dwarf2out_reg_save, new_loc_descr): offset is HOST_WIDE_INT.
        (dw_val_struct): integers, unsigneds and offsets are HOST_WIDE_INT.
        (add_AT_int, add_AT_unsigned, att_AT_offset, AT_int, AT_unsigned,
        AT_offset): Use HOST_WIDE_INT.
        (based_loc_descr): offset is HOST_WIDE_INT.
        (add_data_member): Likewise.
        (add_const_value_attribute): Simplify.

2003-10-25  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_eax_live_at_start_p): New.
        (ix86_expand_prologue): Save and restore eax around stack probe
        if it's live.

2003-10-25  Jan Hubicka  <jh@suse.cz>

        * cppcharset.c (one_utf8_to_utf32): Initialize 's' to silence warning.

2003-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/12712
        * reg-stack.c (convert_regs_1): Create an arbitrary input stack
        if the block has no predecessors.
        (convert_regs_2): Document the problem with successors whose
        only predecessor is the block to be processed.
        (convert_regs): Don't create the arbitrary input stack here.

2003-10-24  Zack Weinberg  <zack@codesourcery.com>

        * genmodes.c (struct mode_data): Add contained and next_cont
        fields.
        (complete_mode): Maintain linked list of modes that have a
        given component.
        (emit_mode_unit_size): Delete.
        (emit_mode_nunits): New.
        (emit_insn_modes_c): Update to match.
        (emit_mode_adjustments): Propagate size and alignment
        adjustments from component modes to their containers.
        * machmode.h (mode_unit_size): Delete.
        (mode_nunits): New.
        (GET_MODE_NUNITS): Just return the value in the table.
        (GET_MODE_UNIT_SIZE): Compute using GET_MODE_INNER and
        GET_MODE_SIZE.
        * expmed.c (store_bit_field, extract_bit_field): Can use a
        plain move instruction if bitsize >= GET_MODE_BITSIZE of
        destination/source mode, respectively.
        * varasm.c (assemble_real): Write out the full size of the
        constant, not just its bitsize.
        (output_constant): Honor TYPE_MODE of TREE_REAL_CSTs.

        * config/ia64/ia64-modes.def: Define XFmode as well as TFmode.
        Use ADJUST_BYTESIZE and ADJUST_ALIGNMENT to set size and
        alignment of XF and TF modes in compliance with ia64 ABIs.
        Can now hardwire the format of both modes.
        * config/ia64/ia64.c: Change TFmode to XFmode wherever appropriate.
        (general_tfmode_operand, destination_tfmode_operand)
        (tfreg_or_fp01_operand, spill_tfmode_operand): Rename to
        general_xfmode_operand, destination_xfmode_operand,
        xfreg_or_fp01_operand, spill_xfmode_operand respectively.
        (ia64_init_builtins): Make TYPE_PRECISION of fpreg_type
        and float80_type be 96 so they get XFmode.  Use !TARGET_HPUX,
        not INTEL_EXTENDED_IEEE_FORMAT, to decide how to define
        __float128.
        * config/ia64/ia64.h: Default TARGET_HPUX to 0.
        Change TFmode to XFmode wherever appropriate.  Remove all
        references to INTEL_EXTENDED_IEEE_FORMAT.
        (LONG_DOUBLE_TYPE_SIZE): Varies with TARGET_HPUX.
        (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define (always 96).
        (PREDICATE_CODES): Update to match function renames.
        * config/ia64/ia64.md: Change TF to XF throughout; rename all
        patterns to match.  Remove all references to
        INTEL_EXTENDED_IEEE_FORMAT.  Update predicate calls to match
        function renames.
        * config/ia64/ia64-protos.c: Update all prototypes to match
        renamed functions.
        * config/ia64/hpux.h: Redefine TARGET_HPUX to 1.
        Remove all references to INTEL_EXTENDED_IEEE_FORMAT.
        * config/ia64/lib1funcs.asm: Add __divxf3 as new name for
        __divtf3; keep old name for backward compatibility.
        (L__compat): New section providing forwarding stubs for
        __fixtfti, __fixunstfti, __floattitf.
        * config/ia64/t-ia64: Add __compat to LIB1ASMFUNCS.

2003-10-24  Geoffrey Keating  <geoffk@apple.com>

        PR 10757
        * c-pch.c: Include target.h.  Improve comments.
        (struct c_pch_validity): Add target_data_length.
        (pch_init): Add target's validity data.
        (c_common_valid_pch): Check target's validity data.
        * target-def.h (TARGET_GET_PCH_VALIDITY): New.
        (TARGET_PCH_VALID_P): New.
        (TARGET_INITIALIZER): Add new fields.
        * target.h: Include tm.h.
        (struct gcc_target): Add get_pch_validity, pch_valid_p.
        * toplev.h (default_get_pch_validity): New prototype.
        (default_pch_valid_p): New prototype.
        * toplev.c (default_get_pch_validity): New routine.
        (default_pch_valid_p): New routine.
        * Makefile.in (TARGET_H): Add TM_H.  Replace all users of
        target.h with $(TARGET_H).
        (c-pch.o): Add TARGET_H.
        * doc/tm.texi (PCH Target): New node.
        (TARGET_GET_PCH_VALIDITY): Document.
        (TARGET_PCH_VALID_P): Document.

2003-10-24  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in: Define a vpath for %.texi.  Remove explicit $(docdir)
        and $(docdir)/include from any *.texi dependencies.
        ($(docobjdir)/%.dvi): Depend on stmp-docobjdir.
        ($(docobjdir)/%.1): Depend on .pod instead of .texi.
        ($(docobjdir)/%.7): Likewise.
        (%.pod): New implicit rule.
        (cpp.pod): New dependency only rule.
        (gcc.pod): New intermediate rule with dependencies and commands.
        (gfdl.pod): Likewise.
        (fsf-funding.pod): Likewise.

2003-10-24  Nathanael Nerode  <neroden@gcc.gnu.org>

        * fixinc/mkfixinc.sh: Remove special cases for svr4 and ptx, and
        related code.
        * fixinc/fixinc.ptx: Remove.
        * fixinc/fixinc.svr4: Remove.

2003-10-24  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (load_multiple_operation): Allow both SImode
        and DImode if word_mode is DImode.
        (store_multiple_operation): Likewise.
        * config/s390/s390.md ("load_multiple", "store_multiple"): Likewise.
        ("*load_multiple_di"): Allow only if word_mode == DImode.
        ("movqi"): Use LLGC whenever TARGET_ZARCH.
        ("fix_truncdfsi2"): Fix incorrect temporary size.
        ("fix_truncsfsi2"): Likewise.
        ("*bras_r", "*brasl_r", "*basr_r"): Remove predicate and constraint
        string for function return value operand.
        ("*bras_tls", "*brasl_tls", "*basr_tls"): Likewise.

2003-10-24  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-parse.in (array_declarator): Use expr_no_commas.
        Fixes PR c/11943.

2003-10-24  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/linux.h: Wrap MD_FALLBACK_FRAME_STATE_FOR and
        associated includes in #ifndef inhibit_libc.

2003-10-24  Roger Sayle  <roger@eyesopen.com>

        * doc/libgcc.texi: Document some more of the libgcc API.

2003-10-24  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_rtx_costs_1, case TARGET_THUMB): Adjust costs for
        comparing a constant with small negative numbers and add costing
        for constants in conjunction with AND.
        (note_invalid_constants): Tidy previous change.
        (thumb_cmp_operand): Tidy.
        (thumb_cmpneg_operand): New function.
        * arm.h (CONDITIONAL_REGISTER_USAGE): Don't use HI regs if optimizing
        for size.
        (FIRST_LO_REGNUM, FIRST_HI_REGNUM, LAST_HI_REGNUM): Define.
        (PREDICATE_CODES): Add thumb_cmpneg_operand.
        * arm.md (cbranchsi4): Convert to define_expand.  Handle comparison
        with a negative constant.
        (cbranchsi4_insn): Matcher for cbranchsi4.
        (cbranchsi4_scratch): Similar, but a scratch is available for
        handling negative constants.
        (movsi_cbranchsi4): New pattern.
        (tstsi3_cbranch): Renamed from andsi3_cbranch_scratch, remove scratch
        and use the TST instruction.
        (andsi3_cbranch, orrsi3_cbranch, xorsi3_cbranch, cbranchne_decr1)
        (addsi3_cbranch, subsi3_cbranch): Ensure that register preferencing
        cannot see high regs or memory alternatives.
        (bicsi3_cbranch_scratch, bicsi3_cbranch): New patterns.

2003-10-24  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (note_invalid_constants): Try to extract the constant
        pool value using avoid_constant_pool_reference; only use
        get_pool_constant if that returns the original reference.

2003-10-24  Jan Hubicka  <jh@suse.cz>

        PR c++/12624
        * varasm.c (notice_global_symbol): Disqualify global registers.

2003-10-23  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/11414
        * loop.c (load_mems): Use redirect_jump to forward jumps from
        the original loop end label to the new "loop sink" block's label.

2003-10-23  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/12705
        * optabs.c (expand_binop): When expanding complex operations
        inline, always calculate result into a new temporary register.
        Minor code clean-ups.

2003-10-24  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * objc/lang-specs.h: Handle -print-objc-runtime-info.
        * doc/invoke.texi (Objective-C Dialect Options): Document it.

2003-10-24  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/cygwin.asm. Add copyright notice. Add comment
        on why this code is needed.

2003-10-23  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/clzhi2.c: Fix warnings.
        * config/h8300/ctzhi2.c: Likewise.
        * config/h8300/fixunssfsi.c: Likewise.
        * config/h8300/parityhi2.c: Likewise.
        * config/h8300/popcounthi2.c: Likewise.

2003-10-23  James E Wilson  <wilson@specifixinc.com>

        * gcc.c (option_map): Delete --target and --use-version.

2003-10-23  Fariborz Jahanian  <fjahanian@apple.com>
            David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (UNITS_PER_WORD): Use TARGET_32BIT, not
        TARGET_POWREPC64.
        (UNITS_PER_GPR_WORD): Define.
        (HARD_REGNO_NREGS): Use UNITS_PER_GPR_WORD.
        (HARD_REGNO_CALL_PART_CLOBBERED): Define.
        (HARD_REGNO_MODE_OK): Use UNITS_PER_GPR_WORD.
        (CLASS_MAX_NREGS): Use UNITS_PER_GPR_WORD.
        * config/rs6000/rs6000.c (function_arg): Generate PARALLEL for
        DFmode and DImode in 32-bit ABI / 64-bit computation mode.
        (rs6000_emit_prologue): Select reg_mode and reg_size using
        TARGET_32BIT, not TARGET_POWERPC64.
        (rs6000_function_value): Generate PARALLEL for DImode in 32-bit
        ABI / 64-bit computation mode

2003-10-22  Andrew Haley  <aph@redhat.com>

        * toplev.c (output_file_directive): Allow for null input_name.

2003-10-22  Waldek Hebisch <hebisch@math.uni.wroc.pl>

        * config/i386/i386.c (classify_argument): Handle SET_TYPE.

2003-10-22  Chris Demetriou  <cgd@broadcom.com>

        * configure.in: In --enable-generated-files-in-srcdir option
        handling, fix default case handling.
        * configure: Regenerate.

2003-10-22  Phil Edwards  <phil@codesourcery.com>

        * config.gcc:  Update *-*-vxworks* generic hook and comments.
        (arm-wrs-vxworks, i[4567]86-wrs-vxworks, mips-wrs-vxworks,
        mips-wrs-windiss, sh-wrs-vxworks):  New stanzas.
        * genmultilib:  Allow the MULTILIB_OSDIRNAMES to be mapped directly.
        * config/svr4.h (SWITCH_TAKES_ARG):  Undefine it before redefining it.
        * config/windiss.h:  New file.
        * config/arm/t-vxworks:  New file.
        * config/arm/vxworks.h:  New file.
        * config/i386/t-vxworks:  New file.
        * config/i386/vxworks.h:  New file.
        * config/mips/t-vxworks:  New file.
        * config/mips/vxworks.h:  New file.
        * config/mips/windiss.h:  New file.
        * config/sh/t-vxworks:  New file.
        * config/sh/vxworks.h:  New file.

2003-10-22  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (h8300_output_function_epilogue): Remove.
        (h8300_saveall_function_p): New.
        (h8300_insert_attributes): Insert the saveall attribute if
        #pragma saveall is specified.
        (h8300_attribute_table): Add saveall.
        (TARGET_ASM_FUNCTION_EPILOGUE): Remove.
        * doc/extend.texi: Mention the saveall attribute.

2003-10-22  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-typeck.c (pedantic_lvalue_warning): Unconditionally warn of
        deprecation of casts as lvalues.
        * fixinc/inclhack.def (obstack_lvalue_cast): New fix.
        * fixinc/fixincl.x: Regenerate.
        * fixinc/tests/base/obstack.h: New test.

2003-10-22  Andreas Schwab  <schwab@suse.de>

        PR target/12676
        * config/m68k/m68k.c (output_addsi3): Fix range check to work on
        LP64 platforms.

2003-10-22  Jan Hubicka  <jh@suse.cz>

        * dwarf2out.c (dwarf2out_abstract_function): Use DW_AT to check
        presence of DW_AT_inline.
        (gen_subprogram_die): Likewise; do not abort instead of emitting
        DW_AT_not_inline.

2003-10-22  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_function_possibly_inlined_p): Be conservative when
        global info is not ready.

2003-10-22  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/extend.texi: Mention H8S wherever H8/300H is mentioned.

2003-10-22  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("movstr_short_64", "movstr_short_31"): Merge ...
        ("*movstr_short"): ... into this insn pattern.
        ("movstr_short"): New expander.
        ("*movstr_long_64"): Rename from "movstr_long_64", simplify.
        ("*movstr_long_31"): Rename from "movstr_long_31", simplify.
        ("movstr_long"): New expander.
        ("clrstr_short_64", "clrstr_short_31"): Merge ...
        ("*clrstr_short"): ... into this insn pattern.
        ("clrstr_short"): New expander.
        ("*clrstr_long_64"): Rename from "clrstr_long_64", simplify.
        ("*clrstr_long_31"): Rename from "clrstr_long_31", simplify.
        ("clrstr_long"): New expander.
        ("cmpmem_short_64", "cmpmem_short_31"): Merge ...
        ("*cmpmem_short"): ... into this insn pattern.
        ("cmpmem_short"): New expander.
        ("*cmpmem_long_64"): Rename from "cmpmem_long_64".
        ("*cmpmem_long_31"): Rename from "cmpmem_long_31".
        ("cmpmem_long"): New expander.
        * config/s390/s390.c (s390_expand_movstr): Use new expanders.
        (s390_expand_clrstr): Likewise.
        (s390_expand_cmpmem): Likewise.

2003-10-22  Mark Mitchell  <mark@codesourcery.com>

        * c-pch.c (struct c_pch_validity): Add pch_init field.
        (pch_init): Set it.
        (c_common_valid_pch): Check it.

2003-10-22  David Taylor <dtaylor@emc.com>

        PR debug/12500
        * dbxout.c (dbxout_typedefs): Use COMPLETE_OR_VOID_TYPE_P.

2003-10-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * config/alpha/alpha.c (function_value [ENABLE_CHECKING]): Don't call
        alpha_return_in_memory if no VALTYPE specified.

2003-10-22  Jan Hubicka  <jh@suse.cz>

        PR debug/12389
        * Makefile.in (dwarf2out.o): Depend on cgraph.h.
        * cgraph.c (cgraph_function_possibly_inlined_p): New function.
        * cgraph.h (cgraph_function_possibly_inlined_p): Declare.
        (cgraph_global_info): Add flag inlined
        * dwarf2out.c (gen_subprogram_die, gen_decl_die): Use
        cgraph_function_possibly_inded_p
        * cgraphunit.c (mark_inline): Set inlined flag.
        * toplev.c (rest_of_decl_compilation): Call outlining_inline_function
        only for possibly inlined functions.
        * c-decl.c (duplicate_decls): Never output abstract DIE representing old
        body of function.

2003-10-22  Andrew Haley  <aph@redhat.com>

        * varasm.c (output_constructor): Make constructor annotation
        conditional on ASM_COMMENT_START.

2003-10-21  Jason Merrill  <jason@redhat.com>

        * tree.c (get_unwidened): Check TREE_UNSIGNED on the field's type.
        (get_narrower): Likewise.

        * stor-layout.c (layout_decl): Do packed field alignment for
        bit-fields, too.

2003-10-21  Eric Christopher  <echristo@redhat.com>

        * expr.c (convert_move): Use FLOAT_EXTEND for extensions.

2003-10-21  Geoffrey Keating  <geoffk@apple.com>

        * c-pch.c: Add comments in various places.
        (struct c_pch_validity): Add the lengths of various strings.
        (host_machine): New static.
        (target_machine): New static.
        (get_ident): Bump version number.
        (pch_init): Write out version, host, target validity data.
        (c_common_valid_pch): Check version, host, target.
        * Makefile.in (c-pch.o): Add version.h; define HOST_MACHINE and
        TARGET_MACHINE.

2003-10-21  Jason Merrill  <jason@redhat.com>

        * tree.h (IS_EXPR_CODE_CLASS): Use strchr.
        (EXPR_P): New macro.

2003-10-21  Zack Weinberg  <zack@codesourcery.com>

        * config/ia64/ia64.md (cmpxchg_acq_si): Mark operand 3 as DImode.
        * config/ia64/ia64.c (ia64_expand_fetch_and_op,
        ia64_expand_op_and_fetch): Make sure the REG for ar.ccv is
        DImode.   Use convert_move to load ar.ccv.
        (ia64_expand_compare_and_swap): Likewise.
        If expand_expr doesn't put 'old' and 'new' in the proper
        modes, run them through convert_to_mode.

2003-10-21  Eric Christopher  <echristo@redhat.com>

        * config/frv/frv.c (frv_adjust_field_align): Check DECL_ARTIFICIAL
        for too large bitfields.

2003-10-21  Mark Mitchell  <mark@codesourcery.com>

        * Makefile.in ($(docobjdir)/%.info): Honor BUILD_INFO.

2003-10-21  Andrew Haley  <aph@redhat.com>

        * varasm.c (output_constructor): Annotate constructor.

2003-10-21  Mark Mitchell  <mark@codesourcery.com>

        * Makefile.in ($(DESTDIR)$(infodir)/%.info): Conditionalize chmod
        on existence of destination file.

2003-10-21  Jan Hubicka  <jh@suse.cz>

        * haifa-sched.c (choose_ready): Initialize index.

2003-10-21  Jason Merrill  <jason@redhat.com>

        * tree.c (build1): Fix off-by-one error.

2003-10-21  Robert Millan  <robertmh@gnu.org>

        * config/i386/kfreebsdgnu.h: New. i386-*-kfreebsd-gnu definitions.
        * config/kfreebsdgnu.h: New. *-*-kfreebsd-gnu definitions.
        * config/t-kfreebsd-gnu: New. *-*-kfreebsd-gnu tmake_file.
        * config.gcc: Add *-*-kfreebsd*-gnu and i[34567]86-*-kfreebsd*-gnu.

2003-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * web.c: Fix various comments.

2003-10-20  Nicolas Pitre <nico@cam.org>

        * config/arm/arm.c (arm_override_options): Set arm_constant_limit
        to 2 instead of 1 when optimize_size is true.  Gather code based on
        optimize_size together.  Add comment about XScale load latency.

2003-10-21  Gunther Nikl  <gni@gecko.de>

        * config/m68k/m68k.c (m68k_output_function_prologue): Remove
        obsolete comments.

2003-10-20  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in: Get parsedir and docobjdir from configure.
        * configure.in: Recogonize --enable-generated-files-in-srcdir.
        Pass along parsedir and docobjdir.
        * configure: Regenerate.
        * doc/install.texi: Document --enable-generated-files-in-srcdir.

2003-10-20  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in: Define $(docdir) before the Make-lang.in fragments are
        included.

2003-10-20  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-common.c (expand_tree_builtin): Ensure creal and cimag
        functions do not return lvalues.

2003-10-20  Jason Merrill  <jason@redhat.com>

        PR c/12553
        * tree.c (build1) <ADDR_EXPR>: Set TREE_SIDE_EFFECTS
        appropriately.

        PR c/11446
        * stor-layout.c (layout_decl): Fix alignment handling.

2003-10-20  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/extend.texi: Deprecate casts as lvalues.

2003-10-20  Jan Hubicka  <jh@suse.cz>

        * toplev.c (rest_of_compilation): Fix webizer pass ordering.

        * cgraphunit.c (decide_is_function_needed):  Fix test dealing
        with functions implicitly made inline.

        * cgraphunit.c (cgraph_decide_inlining_incrementally):  New function.
        (cgraph_finalize_function): Use it.
        (cgraph_mark_inline): Allow incrmental decisions
        * invoke.texi (max-inline-slope, min-inline-insns): Kill.
        * params.def (PARAM_MAX_INLINE_SLOPE, PARAM_MIN_INLINE_INSNS): Kill.
        * tree-inline.c (limits_allow_inlining): Kill.
        (expand_call_inline): Always use unit-at-a-time path.

2003-10-20  Zack Weinberg  <zack@codesourcery.com>

        * fixinc/inclhack.def (hpux11_snprintf): New edit.
        * fixinc/fixincl.x: Regenerate.
        * fixinc/tests/base/stdio.h: Add test for hpux11_snprintf.

2003-10-20  Mark Mitchell  <mark@codesourcery.com>

        * Makefile.in (install-info): Simplify.
        ($(DESTDIR)$(infodir)/%.info): New rule.
        * configure.in (target_list): Remove install-info.
        * doc/.cvsignore (gcc.info*): Remove.
        (gccint.info*): Likewise.
        (gccinstall.info*): Likewise.
        (cpp.info*): Likewise.
        (cppinternals.info*): Likewise.
        (*.info*): Add it.
        * doc/sourcebuild.texi: Update description of install-info.
        * objc/Make-lang.in (objc.install-info): Remove.

2003-10-20  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Define _ABIO32.
        Use it in _MIPS_SIM definition.
        * config/mips/mips.h (CRT_CALL_STATIC_FUNCTION): Likewise.

2003-10-20  Zack Weinberg  <zack@codesourcery.com>

        * config/i386/i386.c (print_reg): Abort if REGNO (x) is a
        virtual register, but only if file == asm_out_file.
        * config/i386/i386.h (HI_REGISTER_NAMES): Use "argp", not "",
        for ARG_POINTER_REGNUM.

2003-10-20  Zack Weinberg  <zack@codesourcery.com>

        * c-common.c (registered_builtin_types): New static.
        (c_common_type_for_mode): Consult registered_builtin_types.
        (c_register_builtin_type): Add type to registered_builtin_types.
        * optabs.c (init_floating_libfuncs): Initialize libfuncs for
        all MODE_FLOAT modes, not just the ones corresponding to
        float_type_node, double_type_node, and long_double_type_node.

2003-10-20  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.h (PREDICATE_CODES): Add normal_memory_operand.
        * config/alpha/alpha-protos.h: Remove PREDICATE_CODES prototypes.

2003-10-20  Dorit Naishlos  <dorit@il.ibm.com>

        * config/rs6000/rs6000.h: (rs6000_sched_insert_nops):
        support new flag -minsert-sched-nops.
        (DEFAULT_SCHED_FINISH_NOP_INSERTION_SCHEME): Define.
        * config/rs6000/rs6000.c: (rs6000_sched_insert_nops):
        support new flag -minsert-sched-nops.
        (is_cracked_insn, is_microcoded_insn): New functions.
        (rs6000_sched_finish): New function.
        (rs6000_issue_rate): Return 5 for power4.
        (get_next_active_insn, insn_terminates_group_p): New
        functions.
        (is_costly_group, force_new_group): New functions.
        (redefine_groups, pad_groups): New functions.
        (rs6000_variable_issue): Use new functions.
        * doc/invoke.texi (-minsert-sched-nops): Document new
        option.

2003-10-20  David S. Miller  <davem@redhat.com>

        * config/sparc/sparc.md (type attribute): Add new insn types
        fpa, fpm_pack, fgm_mul, fgm_pdist, and fgm_cmp for VIS.
        (patterns emitting VIS insns): Use them.
        * config/sparc/ultra1_2.md: Add VIS scheduling rules.
        * config/sparc/ultra3.md: Likewise.

2003-10-20  Falk Hueffner  <falk@debian.org>

        PR target/12654
        * config/alpha/alpha.c (alpha_emit_conditional_branch): Don't do
        comparison against constant by adjusting the argument except for
        EQ and NE.

2003-10-19  Mark Mitchell  <mark@codesourcery.com>

        * config.gcc: Add support for arm926ejs, arm1026ejs, arm1136js,
        arm1136jfs, and armv6j.
        * config/arm/arm.c (FL_ARCH6J): New macro.
        (FL_VFPV2): Likewise.
        (all_cores): Add entries for arm926ejs, arm1026ejs, arm1136js,
        and arm1136jfs.
        (all_architectures): Add entry for armv6j.
        (arm_override_options): Add entries for arm926ejs, arm1026ejs,
        arm1136js, and arm1136jfs.
        * config/arm/arm.h (TARGET_CPU_arm926ej_s): New macro.
        (TARGET_CPU_arm1026ej_s): Likewise.
        (TARGET_CPU_arm1136j_s): Likewise.
        (TARGET_CPU_arm1136jf_s): Likewise.
        * doc/invoke.texi: Document new ARM cores and architecture
        variants.

2003-10-19  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * Makefile.in (toplev.o): Add value-prof.h dependency.
        (value-prof.o): Add REGS_H dependency.
        * common.opt (fprofile-values, fvpt): New.
        * flags.h (flag_value_profile_transformations): Declare.
        * opts.c (common_handle_option): Handle -fprofile_values and
        -fvpt.
        * profile.c (branch_prob): Don't remove death notes here.
        * timevar.def (TV_VPT): New.
        * value-prof.c: Include regs.h.
        (insn_divmod_values_to_profile, gen_divmod_fixed_value, gen_mod_pow2,
        gen_mod_subtract, divmod_fixed_value_transform,mod_pow2_value_transform,
        mod_subtract_transform, value_profile_transformations): New.
        (insn_values_to_profile): Call insn_divmod_values_to_profile.
        (find_values_to_profile): Add dumps.
        * value-prof.h (value_profile_transformations): Declare.
        * toplev.c: Include value-prof.h.
        (rest_of_handle_value_profile_transformations): New.
        (enum dump_file_index): Add DFI_vpt.
        (dump_file): Add vpt dump.
        (flag_value_profile_transformations): New.
        (lang_independent_options): Add flag_profile_values and
        flag_value_profile_transformations.
        (rest_of_compilation): Call
        rest_of_handle_value_profile_transformations.
        (process_options): Let -fvpt imply -fprofile-values.
        * doc/invoke.texi (-fvpt): Document.

2003-10-19  Jan Hubicka  <jh@suse.cz>

        * i386.c (print_reg): Do not abort on certain registers.

        PR optimization/12612
        * reg-stack.c (subst_stack_regs_pat):  Use st(1) for clobbers.
        * i386.md (fpatan, fyl2x, fscale patterns and expanders): Use
        match_scratch; avoid bogus paralles.

        PR target/12674
        * i386.c (ix86_function_regparm): Disable implicit register passing
        conventions when profiling.

2003-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
            Richard Henderson  <rth@redhat.com>

        PR optimization/8178
        * config/i386/i386.md (*movsi_zero): Delete.
        (*ffs_no_cmove): Use ix86_expand_clear to zero the third operand.

2003-10-19  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (fix_operator): New.
        (divmod_operator): Tidy.
        (alpha_emit_xfloating_cvt): Handle UNSIGNED_FIX.
        * config/alpha/alpha.h (FIXUNS_TRUNC_LIKE_FIX_TRUNC): Remove.
        (PREDICATE_CODES): Update.
        * config/alpha/alpha.md (fix_truncdfsi_ieee): Use match_operator.
        (fix_truncdfsi_internal, fix_truncdfdi_ieee): Likewise.
        (fix_truncsfsi_ieee, fix_truncsfsi_internal): Likewise.
        (fix_truncsfdi_ieee): Likewise.
        (fix_truncdfdi2, fix_truncsfdi2): Turn into define_expand.
        (fixuns_truncdfdi2, fixuns_truncsfdi2, fixuns_trunctfdi2): New.
        * config/alpha/alpha-protos.h: Update.

2003-10-19  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (INITIALIZE_TRAMPOLINE): Simplify.
        * config/mips/mips.c (mips_load_got): Assume Pmode == ptr_mode.
        * config/mips/mips.md (extendsidi2, *extendsidi2): Merge. Don't accept
        constant operands.

2003-10-18  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/extend.texi: Fix typos.
        * doc/invoke.texi: Likewise.

2003-10-18  Nicolas Pitre <nico@cam.org>

        * config/arm/arm.c (arm_override_options): Use arm_tune_xscale for
        XScale optimizations not arm_arch_xscale.
        * config/arm/arm.h (CONSTANT_ALIGNMENT_FACTOR, MOVE_RATIO): Likewise.

2003-10-18  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390-protos.h (shift_count_operand): Add prototype.
        * config/s390/s390.c (shift_count_operand): New function.
        (s390_extra_constraint): Use it to implement 'Y' constraint.
        (print_shift_count_operand): New function.
        (print_operand): Use it to implement '%Y'.
        * config/s390/s390.h (EXTRA_ADDRESS_CONSTRAINT): Add 'Y' constraint.
        (PREDICATE_CODES): Add shift_count_operand.
        * config/s390/s390.md ("rotldi3"): Merge alternatives,
        using "shift_count_operand" predicate and "Y" constraint,
        and "%Y" to output the combined shift count.
        ("rotlsi3"): Likewise.
        ("ashldi3", "*ashldi3_31", "*ashldi3_64"): Likewise.
        ("ashrdi3", "*ashrdi3_31", "*ashrdi3_64", "*ashrdi3_cc_31",
        "*ashrdi3_cc_64", "*ashrdi3_cconly_31", "*ashrdi3_cconly_64"): Likewise.
        ("ashlsi3", "ashrsi3", "*ashrsi3_cc", "*ashrsi3_cconly"): Likewise.
        ("lshrdi3", "*lshrdi3_31", "*lshrdi3_64"): Likewise.
        ("lshrsi3"): Likewise.

2003-10-18  Gunther Nikl  <gni@gecko.de>

        * config/m68k/m68k.c (m68k_output_function_epilogue): Add missing
        argument to asm_fprintf statement.

2003-10-18  Fariborz Jahanian  <fjahanian@apple.com>

        * rs6000.md: Separate TARGET_POWERPC64 patterns for TARGET_64BIT or TARGET_32BIT.
        (ashrdisi3_noppc64) Generate more efficient code for 32-bit right-shift of
        a "long long" argument.

2003-10-18  Alexandre Oliva  <aoliva@redhat.com>

        * final.c (final_scan_insn): Run FINAL_PRESCAN_INSNS on asm insns
        as well.

2003-10-18  Richard Sandiford  <rsandifo@redhat.com>

        * rtl.h (rtl_size): Declare.
        (rtunion): Remove rtwint.
        (rtx_def): Replace 'fld' with a union of an rtunion or a HOST_WIDE_INT.
        (RTX_HDR_SIZE, RTX_SIZE): New macros.
        (RTL_CHECK1): Adjust for new rtx_def layout.
        (RTL_CHECK2, RTL_CHECKC1, RTL_CHECKC2): Likewise.
        (XWINT, XCWINT): Likewise.  Access the rtx structure directly.
        (X0WINT): Remove.
        (X0ANY): New macro.
        * rtl.def: Adjust comments for new rtx_def layout.
        * ggc.h (ggc_alloc_rtx): Take the rtx code as argument, not the
        number of slots.
        * rtl.c (rtx_size): New array.
        (rtx_alloc): Adjust call to ggc_alloc_rtx.  Use RTX_HDR_SIZE.
        (copy_rtx): Use RTX_HDR_SIZE.  Adjust for new rtx_def layout.
        (shallow_copy_rtx): Adjust call to ggc_alloc_rtx.  Use RTX_SIZE.
        * integrate.c (copy_rtx_and_substitute): Use X0ANY to copy '0' fields.
        * emit-rtl.c (copy_most_rtx): Likewise.
        (copy_rtx_if_shared): Use RTX_SIZE.
        (copy_insn_1): Use RTX_HDR_SIZE.  Adjust for new rtx_def layout.
        * gengenrtl.c (gendef): Adjust ggc_alloc_rtx call.  Use RTX_HDR_SIZE.
        * gengtype.c (write_rtx_next): Use RTX_HDR_SIZE.
        (adjust_field_rtx_def): Expect "rtx_def" to be a union rather than
        an array.  Adjust output for new rtx_def layout.
        * ggc-page.c (RTL_SIZE): Use RTX_HDR_SIZE.
        * reload1.c (eliminate_regs): Use RTX_SIZE.
        * rtlanal.c (loc_mentioned_in_p): Adjust for new rtx_def layout.
        * gdbinit.in (pi): Likewise.

2003-10-18  Jan Hubicka  <jh@suse.cz>

        * integrate.c (copy_decl_for_inlining): Revert previous patch.

2003-10-18  Jan Hubicka  <jh@suse.cz>

        * integrate.c (copy_decl_for_inlining): Fix copying of copies.

2003-10-18  Roger Sayle  <roger@eyesopen.com>

        * libgcc.texi: Group multi-word types, such as "long double" and
        "unsigned int", using braces in @deftypefn and @deftypefnx nodes.
        Document __unord?f2 as returning a non-zero value, not just one.

2003-10-18  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/t-mmix (CRTSTUFF_T_CFLAGS): Define.
        ($(T)crti.o, $(T)crtn.o): Pass CRTSTUFF_T_CFLAGS here too.

2003-10-18  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/i386/k6.md (k6_alux): Use the 'mode' attribute instead of
        match_operand.

2003-10-18  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (function_arg_record_value_1): New fourth
        parameter packed_p.  Search for a DECL_PACKED field only if
        packed_p is false.  Pass packed_p recursively.
        (function_arg_record_value_2): Likewise.
        (function_arg_record_value): Update calls to
        function_arg_record_value_1 and function_arg_record_value_2.

2003-10-18  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * cse.c (cse_insn) [src_folded]: Check that the tentative replacement
        was successfully forced to memory before using the result.

2003-10-18  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR optimization/8178
        * config/i386/i386.md (*movsi_zero): New insn to set
        a register to zero on TARGET_USE_MOV0 targets.

2003-10-18  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in (Makefile): Depend on the all Make-lang.in fragments.
        (POSTSTAGE1_FLAGS_TO_PASS): Pass down MAKEINFO and MAKEINFOFLAGS.

2003-10-17  David Edelsohn  <edelsohn@gnu.org>

        * doc/invoke.texi (gcse-las): Fix typo.

2003-10-17  Andrew Pinski  <pinskia@physics.uc.edu>

        * doc/install.texi: Remove first part of the sentence for
        zsh not working.  Change gcc to GCC.

        PR bootstrap/12546
        * doc/install.texi: Document that zsh does not work when
        configuring gcc.

2003-10-17  Nathanael Nerode  <neroden@gcc.gnu.org>

        * config/ptx4.h: Switch to DWARF 2; update comments.

2003-10-17  Segher Boessenkool  <boessen@de.ibm.com>
            Hartmut Penner  <hpenner@de.ibm.com>

        PR 10404, partial 11591, partial 11601
        * config/rs6000/altivec.md ("altivec_dst", "altivec_dstt",
        "altivec_dstst", "altivec_dststt", "altivec_lvsl", "altivec_lvsr",
        "altivec_lvebx", "altivec_lvehx", "altivec_lvewx", "altivec_lvxl",
        "altivec_lvx", "altivec_stvx", "altivec_stvxl", "altivec_stvebx",
        "altivec_stvehx", "altivec_stvewx"): Use a memory_operand.
        * config/rs6000/rs6000.c (altivec_expand_lv_builtin): New function.
        (altivec_expand_stv_builtin): Adjust for the memory_operand.
        (altivec_expand_builtin): Call altivec_expand_lv_builtin.
        (altivec_init_builtins): Use `long int' for memory offsets.

2003-10-17  Jan Hubicka  <jh@suse.cz>

        * opts.c  (common_handle_option): Handle OPT_fweb
        * invoke.texi (-fweb): Add missing parts of documentation.

2003-10-17  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/mips/linux.h (FUNCTION_NAME_ALREADY_DECLARED): Undef
        before redefinition.

2003-10-17  Mostafa Hagog  <mustafa@il.ibm.com>

        * common.opt: Add description of the new -fgcse-las flag.
        * flags.h (flag_gcse_las): Declaration of global flag_gcse_las.
        * gcse.c (hash_scan_set): Handle the case of store expression and
        insert the memory expression to the hash table, this way we make it
        possible to discover redundant loads after stores and remove them.
        (pre_insert_copy_insn): moved the call to update_ld_motion_stores,
        to pre_insert_copies, it is not the correct place to call it after
        adding stores to be in the available expression hash table.
        (pre_insert_copies): Added the call to update_ld_motion_stores when
        one or more copies were inserted.
        * opts.c (common_handle_option): Handle the -fgcse-las flag.
        * toplev.c (flag_gcse_las): Initialization of flag_gcse_las.

        * doc/invoke.tex: Document new -fgcse-las flag.

2003-10-18  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/crtsavres.asm: Correct alignment of powerpc64 code
        for posterity, then remove it.

2003-10-17  Richard Earnshaw <rearnsha@arm.com>
            Nathan Sidwell  <nathan@codesourcery.com>

        * config/arm/arm.c (use_return_insn): Not a single instruction, if
        there's a frame pointer.
        (arm_output_epilogue): Protect stack pointer from being corrupted
        on interrupt.

2003-10-17  Ulrich Weigand  <uweigand@de.ibm.com>

        * ifcvt.c (noce_try_addcc): Handle ifs with 'else' case.

2003-10-17  Ulrich Weigand  <uweigand@de.ibm.com>

        * combine.c (simplify_set): Do not clear out undobuf.other_insn
        already set elsewhere.

2003-10-17  Kelley Cook  <kcook@gcc.gnu.org>

        * config/i386/i386.c (ix86_expand_prologue):  Use
        gen_allocate_stack_worker.

2003-10-17  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config.gcc (mips-sgi-irix6*o32): Only enable use_collect2
        without gas.
        (mips-sgi-irix6*): Likewise.

        * config/mips/iris6gas.h: New file.
        * gcc/config.gcc (mips-sgi-irix6*): Use it.

        * config/mips/mips.h (TARGET_IRIX): Provide default.
        (TARGET_IRIX5): Likewise.
        (TARGET_SGI_O32_AS): Likewise.
        * config/mips/iris5.h (TARGET_IRIX): Redefine as 1.
        (TARGET_IRIX5): Likewise.
        * config/mips/iris6.h (TARGET_IRIX6): Remove.
        (TARGET_IRIX5): Redefine as 0.

        * config/mips/mips.c (mips_output_external): Test for IRIX 6 O32
        linker workaround with TARGET_IRIX and mips_abi instead of
        ASM_OUTPUT_UNDEF_FUNCTION.
        (mips_file_end): Inline old ASM_OUTPUT_UNDEF_FUNCTION definition,
        testing TARGET_IRIX and mips_abi explicitly.
        * config/mips/iris5.h (ASM_OUTPUT_UNDEF_FUNCTION): Remove.
        * config/mips/iris6.h (ASM_OUTPUT_UNDEF_FUNCTION): Remove undef.

        * config/mips/mips.c (irix_output_external_libcall): Renamed from
        mips_output_external_libcall.
        Use new TARGET_IRIX in guard.
        * config/mips/mips-protos.h (irix_output_external_libcall): Match
        this.
        * config/mips/iris5.h (TARGET_ASM_EXTERNAL_LIBCALL): Likewise.

        * config/mips/iris5gas.h (HAVE_GAS_SHF_MERGE): Update comment.
        Define as 0.

        * config/mips/iris6.h (FUNCTION_NAME_ALREADY_DECLARED): Define
        depending on mips_abi.
        * config/mips/linux.h (FUNCTION_NAME_ALREADY_DECLARED): Define as 1.
        * config/mips/mips.c (mips_output_function_prologue): Test
        FUNCTION_NAME_ALREADY_DECLARED at runtime.
        (mips_output_function_epilogue): Likewise.
        (build_mips16_function_stub): Likewise.
        (build_mips16_call_stub): Likewise.
        * config/mips/mips.h (FUNCTION_NAME_ALREADY_DECLARED): Provide
        default.

        * config/mips/iris6.h (DWARF2_UNWIND_INFO): Don't define for native
        IRIX 6 O32 assembler.
        (SUBTARGET_CC1_SPEC): Enforce mips2 ISA with O32 ABI.
        (TARGET_OS_CPP_BUILTINS): Define _ABIO32, use it to define
        _MIPS_SIM for O32 ABI.
        (DWARF2_FRAME_INFO): Don't define for native IRIX 6 O32 assembler.
        (ASM_DECLARE_FUNCTION_NAME): Integrate mips.h version.
        (ASM_DECLARE_FUNCTION_SIZE): Move undef before redefinition.
        Integrate O32 version.
        (SUBTARGET_ASM_SPEC): Handle -mabi=32.
        (SUBTARGET_ASM_DEBUGGING_SPEC): Add mdebug_asm_spec for gas with
        O32 ABI.
        (BSS_SECTION_ASM_OP_32): Define.
        (BSS_SECTION_ASM_OP_64): Likewise.
        (BSS_SECTION_ASM_OP): Define differently for O32 and N32/N64 ABIs
        using them.
        (TARGET_ASM_NAMED_SECTION): Reflect renaming.
        Move up to allow override for O32 ABI without GNU as.
        (EH_FRAME_SECTION_NAME): Define explicitly.
        (MUST_USE_SJLJ_EXCEPTIONS): Define.
        [_MIPS_SIM == _ABIO32 && !GAS] (CTORS_SECTION_ASM_OP,
        DTORS_SECTION_ASM_OP): Dummy definitions.
        (TARGET_ASM_NAMED_SECTION): Undef statically.
        (EH_FRAME_SECTION_NAME): Likewise.
        (ASM_OUTPUT_FILENAME): Integrate mips.h version.
        (LINK_SPEC): Only use default options -call_shared -no_unresolved
        without -r.
        Don't pass -init, -fini with -mabi=32.
        (COLLECT_PARSE_FLAG): Define.

        * config/mips/mips.c (iris6_asm_named_section_1): Changed guard to
        TARGET_IRIX.
        Renamed to use irix_ prefix.
        (iris6_asm_named_section): Likewise.
        (iris_section_align_entry_eq): Likewise.
        (iris_section_align_entry_hash): Likewise.
        (iris6_file_start): Likewise.
        (iris6_section_align_1): Likewise.
        (iris6_file_end): Likewise.
        (iris6_section_type_flags): Likewise.
        (iris_section_align_htab): Likewise.
        (iris_orig_asm_out_file): Likewise.
        [TARGET_IRIX] (TARGET_ASM_FILE_START): Reflect rename.
        (TARGET_ASM_FILE_END): Likewise.
        (TARGET_SECTION_TYPE_FLAGS): Likewise.

        * config/mips/mips.c [TARGET_IRIX5 && !TARGET_IRIX6]
        (TARGET_ASM_UNALIGNED_HI_OP): Use runtime initialization in
        override_options instead.
        (TARGET_ASM_UNALIGNED_SI_OP): Likewise.
        (TARGET_ASM_UNALIGNED_DI_OP): Likewise.
        * config/mips/mips.c (override_options) [USE_COLLECT2]: Restore
        flag_gnu_linker to defaults without USE_COLLECT2 for non-IRIX O32
        assemblers.
        Likewise for constructor/destructor handling.
        (override_options): Handle IRIX O32 assembler quirks.
        [TARGET_IRIX] (irix_asm_named_section): Handle O32 ABI with and
        without gas.
        (mips_file_start): Use new TARGET_IRIX.
        (mips_declare_object_name): No special processing for IRIX O32
        assembler.
        (mips_finish_declare_object): Likewise.
        (irix_asm_output_align): Renamed from iris6_asm_output_align.
        Don't record alignment for O32 ABI.
        (irix_file_start): Renamed from iris6_file_start.
        Return early for O32 ABI.
        (irix_file_end): Renamed from iris6_file_end.
        Don't emit .section directives for O32 ABI.
        * config/mips/iris6.h (ASM_OUTPUT_ALIGN): Reflect renaming.
        * config/mips/mips-protos.h (irix_asm_output_align): Likewise.

        * config/mips/t-iris6 (MULTILIB_OPTIONS): Add mabi=32.
        (MULTILIB_OSDIRNAMES): Likewise.

2003-10-17  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * collect2.c (COLLECT_PARSE_FLAG): Provide default.
        (main): Use it.
        * doc/tm.texi (COLLECT_PARSE_FLAG): Document it.

2003-10-17  Richard Earnshaw  <rearnsha@arm.com>

        * arm-modes.def (CC_Nmode): New condition code mode.
        * arm.c (thumb_condition_code): Delete.
        (arm_select_cc_mode): Handle single-bit test for Thumb.
        (arm_print_operand, cases 'd' and 'D'): Don't special case the
        condition code logic for Thumb.
        (get_arm_condition_code): Handle CC_Nmode.
        (thumb_cbrch_target_operand): New function.
        * arm.h (PREDICATE_CODES): Add thumb_cbrch_target_operand.
        * arm-protos.h (thumb_cbrch_target_operand): Add prototype.
        * arm.md: Add Thumb split patterns for zero_extract and
        sign_extract.
        (tbit_cbranch, andsi3_cbranch_scratch, andsi3_cbranch)
        (orrsi3_cbranch_scratch, orrsi3_cbranch, xorsi3_cbranch_scratch)
        (xorsi3_cbranch, addsi3_cbranch, addsi3_cbranch_scratch)
        (subsi3_cbranch, subsi3_cbranch_scratch): New Thumb patterns.
        (cbranchne_decr1): Re-work to use CC_Nmode.

        * arm.c (thumb_expand_epilogue): Add clobbers of registers restored
        by the return instruction.  Add a use of the link register if it
        wasn't stored.

2003-10-17  Richard Earnshaw  <rearnsha@arm.com>

        * flow.c (init_propagate_block_info): Don't abort if a conditional
        jump is not a comparison of a register.  Instead, just don't record
        conditional life information.

2003-10-16  Jan Hubicka  <jh@suse.cz>

        PR optimization/12630
        * pa.md (movstrsi, movstrsi_internal): Use match_scratch in clobbers
        for operands 7 and 8.

2003-10-16  Kelley Cook  <kcook@gcc.gnu.org>

        * objc/Make-lang.in (objc-parse.o): Honor $(parsedir) for objc-parse.c.

2003-10-16  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Define.

        * config/i386/winnt.c (gen_stdcall_suffix): Make static
        (gen_fastcall_suffix): Likewise.
        (i386_pe_dllexport_p): Likewise.
        (i386_pe_dllimport_p): Likewise.
        (i386_pe_mark_dllexport): Likewise.
        (i386_pe_mark_dllimport): Likewise.
        (i386_pe_asm_named_section): Fix formatting.

2003-10-16  Zack Weinberg  <zack@codesourcery.com>

        * configure.in: Add snprintf to gcc_AC_CHECK_DECLS list.
        * system.h: Declare snprintf if necessary.
        * configure, config.in: Regenerate.

2003-10-15  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_va_arg): Only align vector
        arguments if TARGET_ALTIVEC_ABI.

2003-10-15  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (fold_builtin_memcpy, fold_builtin_mempcpy,
        fold_builtin_memmove, fold_builtin_strcpy, fold_builtin_strncpy,
        fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
        New functions.
        (expand_builtin_memcpy): Use integer_zerop instead of testing
        host_integerp and tree_low_cst directly.  Move misapplied hunk
        for optimization wher SRC and DEST point to the same location.
        (expand_builtin_mempcpy): From here.
        (expand_builtin_memmove): Use integer_zerop instead of testing
        host_integerp and tree_low_cst_directly.
        (expand_builtin_memset): Likewise.
        (expand_builtin_memcmp): Likewise (and for integer_onep).
        (expand_builtin_strncmp): Likewise.
        (fold_builtin): Call the appropriate fold_builtin_foo functions
        to optimize memcpy, mempcpy, memmove, strcpy, strncpy, memcmp,
        strcmp and strncmp.

2003-10-15  Geoffrey Keating  <geoffk@apple.com>

        * config/darwin-protos.h (machopic_non_lazy_ptr_name): Delete
        prototype.  Clean up some whitespace.
        * config/darwin.c: Use gen_rtx_FOO (...) rather than
        gen_rtx (FOO, ...).
        (machopic_non_lazy_ptr_name): Make static.
        (name_needs_quotes): Allow '.' and '$' unquoted.
        (machopic_legitimize_pic_address): Improve codegen in dynamic-no-pic
        case.

2003-10-15  Gábor Lóki  <alga@rgai.hu>

        * fold-const.c (tree_swap_operands_p): Disable some features
        when optimizing for size.

2003-10-15  David Daney  <ddaney@avtrex.com>

        * config/mips/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New
        * config/mips/mips.h (DWARF_FRAME_REGNUM): Fixed to allow unwind
        from leaf functions.
        (DWARF_FRAME_RETURN_COLUMN): Ditto.
        (SIGNAL_UNWIND_RETURN_COLUMN): New, used
        by MD_FALLBACK_FRAME_STATE_FOR.
        * testsuite/gcc.dg/cleanup-9.c: Added mips*-*-linux* target.

2003-10-15  Zack Weinberg  <zack@codesourcery.com>

        * genmodes.c: Include hashtab.h.
        (modes_by_name, hash_mode, eq_mode, struct mode_adjust)
        (adj_bytesize, adj_alignment, adj_format, new_adjust)
        (_ADD_ADJUST, ADJUST_BYTESIZE, ADJUST_ALIGNMENT, ADJUST_FORMAT)
        (print_maybe_const_decl, emit_mode_adjustments): New.
        (known_modes): Rename to modes.
        (find_mode): Kill class argument; look up in hash table.
        (new_mode): Insert into hash table also.
        (new_adjust): New.
        (reset_float_format, make_partial_integer_mode)
        (make_vector_mode): Tweak error reporting.
        (reset_float_format): Correct type of fourth argument.
        (emit_insn_modes_h): Add #defines to help make mode_size,
        mode_base_align, and real_format_for_mode conditionally const.
        (emit_mode_size, emit_mode_base_align): Use print_maybe_const_decl.
        (emit_real_format_for_mode): Likewise, but temporarily disabled.
        (emit_insn_modes_c): Call emit_mode_adjustments.
        (main): Initialize modes_by_name.
        * Makefile.in: Update dependencies.
        * machmode.def: Document EXPR arguments and new ADJUST_* statements.
        * machmode.h: Use CONST_MODE_SIZE and CONST_MODE_BASE_ALIGN in
        declarations of mode_size and mode_base_align.  Declare
        init_adjust_machine_modes.
        * toplev.c (backend_init): Call init_adjust_machine_modes.

2003-10-15  Olivier Hainque  <hainque@act-europe.fr>

        * genmodes.c (calc_wider_mode): Allocate enough room for all the
        entries we'll possibly assign in the sort buffer.

2003-10-15  Ulrich Weigand  <uweigand@de.ibm.com>

        * config.gcc (s390x-ibm-tpf*): New target.
        * doc/install.texi: Document it.
        * config/s390/t-tpf: New file.
        * config/s390/tpf.h: New file.

2003-10-15  Hans-Peter Nilsson  <hp@axis.com>

        PR target/12598
        * config/cris/cris.md (define_split "*mov_sidesi_biap_mem"+1)
        (define_splits "*mov_sidesi_mem"+1, "casesi"+9, +10, +11, +12):
        Use cris_mem_op and replace_equiv_address, not gen_rtx_MEM.
        ("call", "call_value", define_split "*mov_sidesi_mem"+19, +20)
        (define_split "*mov_sidesi_mem"+21, +22, +23, +24, +25, +26, +27)
        (define_split "*mov_sidesi_mem"+28, +29, +30): Use
        replace_equiv_address, not gen_rtx_MEM.
        * config/cris/cris.c (cris_mem_op): New match_operator function.
        (cris_notice_update_cc): Use replace_equiv_address, not
        gen_rtx_MEM.
        * config/cris/cris.h (PREDICATE_CODES): Add cris_mem_op.

2003-10-15  Bernardo Innocenti <bernie@develer.com>

        * config/m68k/m68k.h (MASK_SEP_DATA, TARGET_SEP_DATA,
        MASK_ID_SHARED_LIBRARY, TARGET_ID_SHARED_LIBRARY): Move
        definitions after the other flags.

2003-10-14  Ziemowit Laski  <zlaski@apple.com>

        * c-parse.in (methoddef, methodproto): Call objc_add_method()
        instead of add_method().
        * objc/objc-act.c (objc_check_decl): Do not check for
        constant_string_type.
        (add_method): Rename to objc_add_method().
        (really_start_method): Call objc_add_method() instead of
        add_method().
        * objc/objc-act.h (add_method): Rename to objc_add_method().

2003-10-14  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390-protos.h (s390_alc_comparison): Add prototype.
        (s390_slb_comparison): Likewise.
        * config/s390/s390.c (s390_alc_comparison, s390_slb_comparison):
        New functions.
        * config/s390/s390.h (PREDICATE_CODES): Add s390_alc_comparison
        and s390_slb_comparison.
        * config/s390/s390.md ("*adddi3_31", "*subdi3_31"): Do not use on
        zSeries machines.
        ("*adddi3_31z", "*subdi3_31z"): New insns.
        ("*adddi3_alc_cc", "*adddi3_alc", "*subdi3_slb_cc", "*subdi3_slb",
        "*addsi3_alc_cc", "*addsi3_alc", "*subsi3_slb_cc", "*subsi3_slb"):
        New insns.

2003-10-14  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.in: Clean up some feedback echoes.
        * configure: Regenerate.

        * aclocal.m4: Properly quote names of macros being defined.

        * config.gcc (am33_2.0-*-linux*): Use t-slibgcc-elf-ver.

2003-10-14  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.c (ia64_expand_call): Force function address
        to DImode.
        * config/ia64/ia64.md (call_gp): Put DImode on operand 0.

2003-10-14  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("muldf3", "*muldf3", "*muldf3_ibm",
        "mulsf3", "*mulsf3", "*mulsf3_ibm"): Do not clobber CC.
        ("divdf3", "*divdf3", "*divdf3_ibm", "divsf3", "*divsf3",
        "*divsf3_ibm"): Likewise.

2003-10-14  Nathanael Nerode  <neroden@gcc.gnu.org>

        * config.gcc, config/m68hc11/t-m68hc11-gas: Replace uses of
        target_alias with target_noncanonical.

2003-10-14  Geoffrey Keating  <geoffk@apple.com>

        * expr.c (block_move_libcall_safe_for_call_parm): Clean up,
        and add case for machines where outgoing register parameters
        get stack space.

        * config/darwin.c (machopic_indirect_data_reference): Use a scratch
        register when generating indirect address.

2003-10-14  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_addimm_operand): MODE arguemnt is unused.
        * arm.md (cbranchne_decr1): Fix bootstrap warning.

2003-10-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * fixinc/inclhack.def (alpha_pthread_gcc): New fix.
        * fixinc/fixincl.x: Regenerate.
        * fixinc/tests/base/pthread.h [ALPHA_PTHREAD_GCC_CHECK]: New
        testcase.
        Fixes PR bootstrap/9330.

2003-10-13  Eric Christopher  <echristo@redhat.com>

        * config/frv/frv.c (frv_adjust_field_align): Redo check for
        too wide bitfields.
        (frv_hard_regno_mode_ok): Add SPR_P and AP_FIRST.
        * config/frv/frv.h (FUNCTION_PROFILER): Remove abort call.
        (SBSS_SECTION_ASM_OP): Remove.
        (EXTRA_SECTIONS): Remove in_sbss.
        (EXTRA_SECTION_FUNCTIONS): Remove SBSS_SECTION_FUNCTION.
        (SBSS_SECTION_FUNCTION, sbss_section): Remove.
        (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Change sbss_section to
        named_section.

2003-10-13  Nathanael Nerode  <neroden@gcc.gnu.org>

        * Makefile.in, configure.in, config.host, mkheaders.in: Replace
        uses of ${target_alias} for directory names (and other places which
        won't like the empty string) with ${target_noncanonical}.  Introduce
        call early in configure.in to _GCC_TOPLEV_NONCANONICAL_TARGET so it's
        available.
        * configure: Regenerate.

2003-10-13  Ian Lance Taylor  <ian@wasabisystems.com>

        * config/arm/iwmmxt.md (cond_iwmmxt_movsi_insn): New pattern.
        * config/arm/arm.md: For splits which rely on conditional moves,
        remove ! TARGET_IWMMXT condition.

2003-10-13  David S. Miller  <davem@redhat.com>

        * ifcvt.c (num_removed_blocks): Rename to num_true_changes.
        (find_cond_trap): Always increment if we emit a conditional
        trap insn.

2003-10-13  Zack Weinberg  <zack@codesourcery.com>

        * Makefile.in (BUILD_RTL): Replace $(BUILD_PREFIX)insn-modes.o
        with min-insn-modes.o.
        (STAGESTUFF): Add min-insn-modes.c.
        (genobjs): Add genmodes.o.
        (print-rtl.o, print-rtl1.o): Depend on $(TM_P_H).
        (insn-modes.o): Depend on $(TM_H) not $(GTM_H); also real.h.
        (min-insn-modes.c, min-insn-modes.o): New rules.
        (s-modes): Also generate min-insn-modes.c.
        ($(BUILD_PREFIX_1)insn-modes.o): Kill.
        * genmodes.c (struct mode_data): Add format field.
        (blank_mode, validate_mode, complete_mode): Update to match.
        (make_scalar_mode): Separate into make_int_mode and make_float_mode.
        (_SCALAR_MODE): Kill.
        (FLOAT_MODE, FRACTIONAL_FLOAT_MODE): Add format argument.
        (emit_insn_modes_c_header): Adjust.
        (emit_min_insn_modes_c_header, emit_real_format_for_mode)
        (emit_min_insn_modes_c): New functions.
        (emit_insn_modes_c): Call emit_real_format_for_mode.
        (main): Add -m option to generate min-insn-modes.c.
        * machmode.h: Update documentation.  Add format argument to
        all uses of FLOAT_MODE.
        * real.c: Don't define real_format_for_mode here.

        * dwarfout.c: Move default definition of PRINT_REG...
        * defaults.h: ...here.
        * print-rtl.c: Include tm_p.h.
        (DEBUG_PRINT_REG, DEBUG_REGISTER_NAMES, debug_reg_names, reg_names):
        Kill.
        (print_rtx): Use PRINT_REG, not DEBUG_PRINT_REG.  But surround
        this entire block with #ifndef GENERATOR_FILE.
        * regclass.c: Unconditionally define reg_names.
        * config/mips/mips.h, config/rs6000/rs6000.h, config/sh/sh.h
        Don't define DEBUG_REGISTER_NAMES.
        * config/rs6000/darwin.h: Don't use DEBUG_REGISTER_NAMES in
        redefinition of REGISTER_NAMES.
        * config/i386/i386.h: Don't define DEBUG_PRINT_REG.

        * combine.c: Change all preprocessor conditionals on
        EXTRA_CC_MODES to use SELECT_CC_MODE instead; rearrange a bit
        for clarity.
        * genopinit.c: Remove mention of EXTRA_CC_MODES in comment.
        * configure.in: Don't define EXTRA_CC_MODES.
        * configure, config.in: Regenerate.
        * doc/tm.texi: Remove documentation of EXTRA_CC_MODES.

        * config/arc/arc.c, config/m32r/m32r.c, config/sparc/sparc.c:
        May assume that GET_MODE_CLASS is accurate for extra CC modes
        at all times.

        * config/i860/i860.h (INIT_CUMULATIVE_ARGS): Pass correct
        number of arguments to aggregate_value_p.

        * genmodes.c (RESET_FLOAT_FORMAT, reset_float_format): New.
        * machmode.def: Explain ARCH-modes.def.  Document
        RESET_FLOAT_FORMAT.  Improve commentary on various mode
        clusters.  Do not define OI, PQI, PHI, PSI, PDI, QF, HF, TQF,
        XF, or TF modes here.  Remove backward-compatibility
        definition of CC.

        * config/alpha/alpha-modes.def: New file; define TF mode.
        * config/arc/arm-modes.def: Define XF mode.
        * config/c4x/c4x-modes.def: Define QF and HF modes.  Unset
        float format for SF and DF modes.
        * config/dsp16xx/dsp16xx-modes.def: New file; define HF mode.
        * config/i386/i386-modes.def: Define XF and TF modes.
        * config/i960/i960-modes.def: Define TF mode.
        * config/ia64/ia64-modes.def: Define TF and OI modes.
        * config/m68k/m68k-modes.def: New file; define XF mode.
        * config/mips/mips-modes.def: New file; define TF mode, reset
        formats for SF and DF modes.
        * config/pa/pa-modes.def: Define TF mode.
        * config/rs6000/rs6000.c: Define TF and PSI modes.
        * config/s390/s390-modes.def: Define OI mode.
        * config/sh/sh-modes.def: New file; define PSI mode.
        * config/sparc/sparc-modes.def: Define TF mode.
        * config/vax/vax-modes.def: New file; reset formats for SF and
        DF modes.

        * config/c4x/c4x.c (c4x_override_options): No need to mess
        with real_format_for_mode or set REAL_MODE_FORMATs.
        (c4x_immed_int_constant): Don't apply GET_MODE_CLASS to rtx
        variable.
        * config/i386/i386.c (override_options): No need to set
        REAL_MODE_FORMATs here.
        * config/i960/i960.c (i960_initialize): Likewise.
        * config/m68k/m68k.c (m68k_override_options): Likewise.
        * config/ia64/ia64.c (ia64_override_options): Set REAL_MODE_FORMAT
        for TFmode only if not the default.
        * config/mips/mips.c (override_options): Likewise.
        * config/vax/vax.c (override_optionms): Set REAL_MODE_FORMAT for
        DFmode only if not the default.

        * config/i370/i370.h (RET_REG): Don't consider TFmode.
        * config/m68hc11/m68hc11.c (print_operand): Don't consider XFmode.
        * config/dsp16xx/dsp16xx.c (hard_regno_mode_ok): #if 0 out use
        of modes that don't appear anywhere in the machine description.

        * config/arc/arc-modes.def, config/arm/arm-modes.def
        * config/c4x/c4x-modes.def, config/frv/frv-modes.def
        * config/i386/i386-modes.def, config/i960/i960-modes.def
        * config/ia64/ia64-modes.def, config/mmix/mmix-modes.def
        * config/pa/pa-modes.def, config/pdp11/pdp11-modes.def
        * config/rs6000/rs6000-modes.def, config/s390/s390-modes.def
        * config/sparc/sparc-modes.def: Convert to new style for
        declaring extra CC modes.

2003-10-13  Zack Weinberg  <zack@codesourcery.com>

        * cpplex.c (_cpp_clean_line): In the common case of a line
        with no trigraphs and no \-newline, avoid writing to memory.
        (_cpp_skip_block_comment): Use a local 'cur' pointer instead
        of the buffer member.  Make c an uchar to avoid unnecessary
        sign extensions.

2003-10-13  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.in: Remove unnecessary test.
        * configure: Regenerate.

        * configure.in: Fix grammatical error.  Move UWIN host error to...
        * config.host: Here.
        * configure: Regenerate.

2003-10-13  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.md ("*fmadddf4", "*fmsubdf4", "*fmaddsf4",
        "*fmsubsf4"): Insns are now dependent on TARGET_FUSED_MADD instead
        of flag_unsafe_math_optimizations.
        * config/s390/s390.h ("MASK_NO_FUSED_MADD", "TARGET_NO_FUSED_MADD",
        "TARGET_FUSED_MADD", "TARGET_SWITCHES"): Introduced new target flags
        fused-madd and no-fused-madd.
        * doc/invoke.texi: Documented the new options fused-madd and
        no-fused-madd for S/390.

2003-10-14  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Choose
        MASK_ALIGN_NATURAL if rs6000_alignment_string not given.  Don't
        assign DEFAULT_ABI.
        (ADJUST_FIELD_ALIGN, ROUND_TYPE_ALIGN): Update comment.
        * config/rs6000/rs6000.c: Formatting.
        (rs6000_parse_alignment_option): Only set rs6000_alignment_flags
        when rs6000_alignment_string given.

2003-10-13  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/12538
        * config/sparc/sparc.c (MUST_SAVE_REGISTER): Delete.
        (sparc_flat_must_save_register_p): New function to decide whether
        a register must be saved/restored in the function prologue/epilogue.
        (sparc_flat_compute_frame_size): Use it instead of MUST_SAVE_REGISTER.

2003-10-12  Steven Bosscher  <steven@gcc.gnu.org>

        * config/avr/avr.c, config/avr/avr-protos.h: Convert to
        ISO C90 function declarations and definitions.
        * config/sh/sh.c, config/sh/sh-protos.h: Likewise.

2003-10-12  Nathanael Nerode  <neroden@gcc.gnu.org>

        * config.gcc (*-*-freebsd*): Use tm_defines instead of tiny
        config files which do the same thing.
        * config/freebsd3.h, config/freebsd4.h, config/freebsd5.h,
        config/freebsd6.h: Remove now unnecessary files.

2003-10-12  Steven Bosscher  <steven@gcc.gnu.org>

        * c-common.c (c_common_truthvalue_conversion): Warn if the
        address of a non-weak function is used as a truth value.

2003-10-12  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (WORD_REG_USED): Use SP_REG instead of
        a literal.
        * config/h8300/h8300.h (REGNO_OK_FOR_BASE_P): Use MAC_REG
        instead of a literal.

2003-10-12  Hans-Peter Nilsson  <hp@bitrange.com>

        * doc/extend.texi (Function Attributes): Mention the exceptional
        path for noreturn-marked functions.

2003-10-12  Jan Hubicka  <jh@suse.cz>

        * cgraphunit.c (cgraph_decide_inlining): Fix uninitialized variable
        warning.

2003-10-12  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/i386.c (x86_this_parameter): Fix typo.

2003-10-11  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (web.o): New.
        * web.c: New file.
        * rtl.h (web_main): Declare.
        * timervar.def (TV_WEB): New.
        * toplev.c (dump_file_index, dump_file_info): Add DFI_web.
        (rest_of_hanle_web): New.
        (flag_web): New static variable.
        (lang_independent_options): Add "web".
        (rest_of_compilation): Call rest_of_handle_web.
        * invoke.texi (-fweb): Document.
        * common.opt (fweb): New.
        * flags.h (flag_web): New.
        * opts.c (decode_options): Set flag_web at -O3.

        * passes.texi (web construction):  Document.
        * invoke.texi (-O3): Document that -fweb is enabled.

        * regrename.c (regrename_optimize): Deal better with situation when
        replacement failed.

        * sched-ebb.c: Include params.h and profile.h
        (schedule_ebbs):  Use tracer parameters to discover superblocks
        * Makefile.in (sched-ebb.o):  Add dependencies.

2003-10-11  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (negate_mathfn_p): New function to determine whether
        a built-in mathematical function is sign preserving, f(-x) == -f(x).
        Add support for BUILT_IN_ASIN, BUILT_IN_ASINF and BUILT_IN_ASINL.
        (tree_swap_operands_p): Change API to take an additional argument
        indicating that the swapped operands evaluate in reverse order.
        Canonicalize VAR_DECLs and PARM_DECLs last if we can, i.e. neither
        operand side-effects or we don't care about flag_evaluation_order.
        (reorder_operands_p): New function to check whether its safe to
        evaluate the given operands in reverse order.
        (negate_expr_p):  We can always negate integer constants unless
        we honor -ftrapv and the signed type would overflow.  Only allow
        -(A-B) into B-A if reorder_operands_p says that its OK.  Allow
        negation of COMPLEX_CST if both real and imaginary parts can be
        negated.  Allow negation through floating point extensions and
        sign-preserving built-in functions.
        (negate_expr):  Move the code to negate integers from "fold" to
        here.  Always negate integer constants unless we honor -ftrapv
        and the signed type would overflow.  Always negate real constants
        unless we honor -ftrapping-math.  Only convert -(A-B) into B-A
        if allowed by reorder_operands_p.  Add support for COMPLEX_CST.
        Optimize negation through floating point extensions and
        sign-preserving built-in functions (as defined by negate_mathfn_p).
        (fold): Adjust calls to tree_swap_operands_p.
        (fold <NEGATE_EXPR>): Move the remaining negation optimizations
        to negate_expr_p/negate_expr.
        (fold <MINUS_EXPR>): Use reorder_operands_p to check whether we're
        allowed to convert (-A) - B into (-B) - A.

2003-10-11  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (expand_builtin_strcmp): Defend against the possibility
        that gen_cmpstrsi may fail: Stabilize the argument list against
        re-evaluation and expand the library call directly using this saved
        argument list if a cmpstrsi sequence can't be generated.
        (expand_builtin_strncmp): Likewise.

        * config/i386/i386.md (cmpstrsi, movstrsi): Disable with -Os.

2003-10-11  Roger Sayle  <roger@eyesopen.com>

        PR optimization/12260
        * simplify-rtx.c (simplify_unary_operation): Simplify all unary
        operations through CONST nodes.  Optimize (neg (plus X C)) as
        (minus -C X) for constant values C.
        (simplify_binary_operation): Optimize (minus (neg X) C) as
        (minus -C X) for constant values C.
        (simplify_plus_minus): Avoid creating (neg (const (plus X C)),
        instead create (minus -C X).

2003-10-11  Roger Sayle  <roger@eyesopen.com>

        * expr.c (expand_expr <PLUS_EXPR>): Let expand_operands call
        safe_from_p for us, once it chooses an evaluation order.
        (expand_expr <MULT_EXPR>): Likewise.
        (expand_expr <MIN_EXPR> <MAX_EXPR>): Likewise.  If expand_operands
        places the second operand in "target", swap the operands.
        (do_store_flag): Let expand_operands call safe_from_p for us.

2003-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR optimization/12544
        * function.c (put_var_into_stack): Don't generate ADDRESSOFs
        for DECL_NONLOCAL decls.

2003-10-11  Kazu Hirata  <kazu@cs.umass.edu>

        * expr.c: Follow spelling conventions.
        * final.c: Likewise.
        * optabs.c: Likewise.
        * sched-deps.c: Likewise.
        * sdbout.c: Likewise.

Sat Oct 11 12:24:23 CEST 2003  Jan Hubicka  <jh@suse.cz>

        * varasm.c (notice_global_symbol):  Fix handling of variables; avoid
        re-computing of variable.

2003-10-11  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_return_in_memory): Rename from
        return_in_memory, make static, change signature to match target hook.
        (alpha_setup_incoming_varargs): Make static, change signature to
        match target hook, add code for vms and unicos.
        (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
        TARGET_PROMOTE_PROTOTYPES, TARGET_STRUCT_VALUE_RTX,
        TARGET_RETURN_IN_MEMORY, TARGET_SETUP_INCOMING_VARARGS,
        TARGET_STRICT_ARGUMENT_NAMING,
        TARGET_PRETEND_OUTGOING_VARARGS_NAMED): New.
        * config/alpha/alpha-protos.h: Update.
        * config/alpha/alpha.h (PROMOTE_FUNCTION_ARGS,
        PROMOTE_FUNCTION_RETURN, RETURN_IN_MEMORY,
        SETUP_INCOMING_VARARGS): Remove.
        * config/alpha/unicosmk.h (SETUP_INCOMING_VARARGS): Remove.
        * config/alpha/vms.h (SETUP_INCOMING_VARARGS): Remove.

2003-10-11  Ian Lance Taylor  <ian@wasabisystems.com>

        * config/arm/arm.c (arm_regno_class): Handle IWMMXT_GR_REGS.

2003-10-11  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m68k/lb1sf68.asm: Follow spelling conventions.
        * config/m68k/m68k.c: Likewise.
        * config/m68k/m68k.h: Likewise.
        * config/m68k/m68k.md: Likewise.

2003-10-11  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (expand_builtin_memcpy): Optimize case when the two
        pointer arguments are the equal, non-volatile and side-effect free.
        (expand_builtin_mempcpy): Likewise.
        (expand_builtin_memmove): Likewise.
        (expand_builtin_strcpy): Likewise.
        (expand_builtin_memcmp): Likewise.
        (expand_builtin_strcmp): Likewise.
        (expand_builtin_strncmp): Likewise.

2003-10-11  Roger Sayle  <roger@eyesopen.com>

        * combine.c (apply_distributive_law): Enable "distributive" floating
        point optimizations with -funsafe-math-optimizations.

2003-10-11  Andrew Pinski <pinskia@physics.uc.edu>

        * genmodes.c (emit_mode_mask) Change MASK to MODE_MASK.

2003-10-11  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m68k/m68k-protos.h: Remove the prototype for
        finalize_pic.

2003-10-11  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m68k/m68k.c: Fix comment typos.

2003-10-11  Bernardo Innocenti  <bernie@develer.com>

        * config/m68k/m68k-protos.h (use_return_insn): Change return type from
        int to bool.
        * config/m68k/m68k.c (struct m68k_frame): Add funcdef_no member.
        (current_frame): New global var.
        (m68k_compute_frame_layout): Cache computations in current_frame.
        (m68k_initial_elimination_offset): Use values from current_frame
        instead of recomputing them.
        (use_return_insn): Likewise.
        (m68k_output_function_prologue): Likewise.
        (m68k_output_function_epilogue): Likewise.
        * config/m68k/m68k.h (TARGET_CPU_CPP_PREDEFINES): Fold __PIC__ handling
        inside the block for __pic__.

2003-10-11  Peter Barada <peter@baradas.org>
            Bernardo Innocenti  <bernie@develer.com>

        * config/m68k/m68k.c (m68k_frame): Move before protos referencing it.
        (m68k_save_reg): Add boolean parameter `interrupt_handler'.
        (m68k_interrupt_function_p): New function.
        (m68k_handle_fndecl_attribute): Ditto.
        (m68k_compute_frame_layout): Ditto.
        (m68k_attribute_table): Define back-end specific attributes.
        (m68k_output_function_epilogue): Emit RTE instruction for interrupt
        functions.

2003-10-11  Bernardo Innocenti  <bernie@develer.com>

        * config/m68k/t-uclinux: New target Makefile fragment.
        * config/m68k/uclinux.h: New target macro file.
        * config.gcc (m68k-*-uclinux): New target definition.

2003-10-10  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (builtin_mathfn_code): Generalize to check whether
        the call is to any built-in function by comparing the call's
        argument list against the builtin decl's function type.

2003-10-10  Roger Sayle  <roger@eyesopen.com>

        * cse.c (constant_pool_entries_regcost): New global variable to
        hold the register cost component of constant_pool_entries_cost.
        (fold_rtx): Calculate constant_pool_entries_regcost at the same
        time as constant_pool_entries_cost.
        (cse_insn): Set both src_folded_cost and src_folded_regcost from
        constant_pool_entries_cost and constant_pool_entries_regcost.
        (cse_main): Initialize constant_pool_entries_regcost to zero.

        * optabs.c (expand_unop): Attach a REG_EQUAL note describing
        the semantics of the sequence of bit operations used to negate
        a floating-point value.
        (expand_abs_nojump): Likewise attach a REG_EQUAL note describing
        the semantics of the bit operations used to abs a floating point
        value.

2003-10-11  Bernardo Innocenti  <bernie@develer.com>
            Paul Dale  <pauli@snapgear.com>

        * config/m68k/lb1sf68.asm: Add __PIC__ and __ID_SHARED_LIBRARY__
        support.
        * config/m68k/m68k-none.h (ASM_SPEC): Pass --pcrel to assembler on
        -fpic, -fPIC, -msep-data and -mid-shared-library.
        * config/m68k/m68k.c (m68k_library_id_string): New global variable.
        (override_options): Add -msep-data and -mshared-library-id support.
        (m68k_output_function_prologue): Generate code to load A5 for
        TARGET_ID_SHARED_LIBRARY and TARGET_SEP_DATA.
        (m68k_output_mi_thunk): Emit indirect jump on TARGET_ID_SHARED_LIBRARY.
        (m68k_output_pic_call): New function.
        * gcc/config/m68k/m68k.h (TARGET_SEP_DATA): New target flag.
        (TARGET_ID_SHARED_LIBRARY): Ditto.
        (TARGET_SWITCHES): Add switches for -mid-shared-library and -msep-data.
        * gcc/config/m68k/m68k.md (call): Call m68k_output_pic_call().
        (call_value): Likewise.

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

        * gengenrtl.c (find_formats, genheader): Make i an unsigned
        int, remove cast of NUM_RTX_CODE.
        * machmode.h: Make the HAVE_MACHINE_MODES #ifdef encompass the
        entire file.  Remove the #ifs on GET_MODE_MASK etc and
        GET_MODE_WIDER_MODE etc.

2003-10-10  Eric Christopher  <echristo@redhat.com>

        * lcm.c (optimize_mode_switching): Change NORMAL_MODE
        to MODE_ENTRY and MODE_EXIT. Add MODE_AFTER for insns
        that set mode.
        * config/sh/sh.h (MODE_ENTRY): New macro.
        (MODE_EXIT): Ditto.
        (MODE_AFTER): Ditto.
        * config/sh/sh.md: Change for MODE_AFTER. Add
        fp_set attribute.
        * doc/tm.texi: Document MODE_AFTER, MODE_ENTRY, and MODE_EXIT.

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

        * genmodes.c, mode-classes.def: New files.
        * machmode.def: Rewritten to genmodes.c interface.
        * Makefile.in (extra_modes_file): New substitution variable.
        (MACHMODE_H): No longer includes machmode.def or
        @extra_modes_file@; instead, mode-classes.def and insn-modes.h.
        (BUILD_RTL): Add $(BUILD_PREFIX)insn-modes.o.
        (OBJS-common): Add insn-modes.o.
        (STAGESTUFF): Add insn-modes.c, insn-modes.h, s-modes, and
        genmodes$(build_exeext).
        (insn-modes.o, insn-modes.c, insn-modes.h, s-modes, genmodes.o,
        genmodes$(build_exeext), $(BUILD_PREFIX_1)insn-modes.o): New targets.
        (s-genrtl): Don't depend on $(RTL_BASE_H).
        (gengenrtl.o): Don't depend on coretypes.h, $(GTM_H), real.h,
        or $(RTL_BASE_H); just rtl.def.
        * gengenrtl.c: Don't include coretypes.h, tm.h, rtl.h, or
        real.h.  Give fake definition of CONST_DOUBLE_FORMAT and
        substitute definition of NUM_RTX_CODE.  Add casts to avoid
        warnings.
        * machmode.h: Include insn-modes.h, not machmode.def.  Include
        mode-classes.def to define enum mode_class.  Tweak definitions
        of GET_MODE_CLASS, GET_MODE_SIZE, GET_MODE_BITSIZE, GET_MODE_MASK,
        GET_MODE_INNER, GET_MODE_WIDER_MODE, GET_CLASS_NARROWEST_MODE.
        (inner_mode_array): Renamed mode_inner.
        (mode_base_align): New.
        * rtl.c (mode_name, mode_class, mode_bitsize, mode_size,
        mode_unit_size, mode_wider_mode, mode_mask_array,
        inner_mode_array, class_narrowest_mode): Delete definitions.
        * stor-layout.c (get_mode_alignment): Use mode_base_align.
        * real.h: Use MIN_MODE_FLOAT and MAX_MODE_FLOAT, not QFmode
        and TFmode, in real_format_for_mode and REAL_MODE_FORMAT.

        * config/ip2k/ip2k.h, config/iq2000/iq2000.h:
        No need to define BITS_PER_UNIT.

2003-10-10  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * config/ia64/ia64.c (ia64_vms_init_libfuncs): New function.
        (ia64_output_function_prologue): Only write .prologue if --with-gnu-as.
        (ia64_initialize_trampoline): If not using GAS, declare trampoline
        as global.
        * config/ia64/ia64.h (ASM_APP_ON, ASM_APP_OFF): Add vers for not GAS.
        (ASM_OUTPUT_DEBUG_LABEL): Likewise.

        * stor-layout.c (compute_record_mode): Don't force BLKmode if
        field is zero-length BLKmode.
        * expr.c (expand_expr, case COMPONENT_REF): Handle case of BLKmode
        zero-size references.

        * combine.c (distribute_links): Properly test for REG being set.

        * config/alpha/alpha.c (alpha_expand_block_mode): Don't use
        gen_lowpart and company except for REG.

2003-10-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa64-hpux.h (LINK_SPEC): Use `-z' option with HP ld.

2003-10-10  Nathanael Nerode  <neroden@gcc.gnu.org>

        * config.gcc (mips*-*-netbsd*): Remove content-free line.

2003-10-10  Herman A.J. ten Brugge <hermantenbrugge@home.nl>

        * gcov-io.h: Check BITS_PER_UNIT when defining gcov_unsigned_t,
        gcov_position_t and gcov_type.

2003-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>

        * configure.in (HAVE_AS_TLS): Add sh-*-* and sh[34]*-*-* cases.
        * configure: Regenerate.

2003-10-09  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (define_asm_attributes): Specify
        the length of an asm insn more precisely.

2003-10-09  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/mips/iris6.h (SUBTARGET_CPP_SPEC): Define.

2003-10-09  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (xtensa_dbx_register_number): Change first
        FP register number to 48 and MAC16 accumulator to 0x210.

2003-10-09  Nathanael Nerode  <neroden@gcc.gnu.org>

        * config.gcc: Remove redundant thread_file setting clauses for
        various *-*-linux* targets.

2003-10-09  Kazu Hirata  <kazu@cs.umass.edu>

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

2003-10-09  Roger Sayle  <roger@eyesopen.com>

        * optabs.c (prepare_float_lib_cmp): Always attach a REG_EQUAL note
        to the comparison, as emit_libcall_block calls copy_rtx on equiv.

2003-10-09  Dorit Naishlos  <dorit@il.ibm.com>

        * haifa-sched.c (ok_for_early_schedule): New function.
        (early_queue_to_ready): New function.
        (schedule_block): Allow early removal of insns from Q.
        (schedule_insn): Update INSN_TICK in case of premature
        issue.
        * common.opt (sched_stalled_insns): New flag.
        (sched_stalled_insns_dep): New flag.
        * flags.h: Same above flags.
        * opts.c: Same as above.
        * toplev.c: Same as above.
        * target.h (targetm.sched.is_costly_dependence): New
        hook.
        * target-def.h: Same as above.
        * config/rs6000/rs6000.h: (rs6000_sched_costly_dep):
        Support new flag -msched-costly-dep.
        (DEFAULT_SCHED_COSTLY_DEP): Define.
        * config/rs6000/rs6000.c:
        (rs6000_is_costly_dependence): New function.
        (is_load_insn, is_store_insn): New functions.
        (is_load_insn1, is_store_insn1, is_mem_ref): New
        functions.
        * doc/invoke.texi (-fsched-stalled-insns-dep)
        (-fsched-stalled-insns, -msched-costly-dep): Document
        options.
        * doc/tm.texi (is_costly_dependence): Define new
        scheduler target hook.

2003-10-09  Jason Merrill  <jason@redhat.com>

        PR c++/6392
        * c-common.c (c_build_qualified_type): Look through arrays first.
        (c_apply_type_quals_to_decl): Look through arrays.

        * c-common.c (c_apply_type_quals_to_decl): Unset TREE_READONLY for
        types with constructors.

        * coverage.c (build_ctr_info_value): Use build_decl to make a
        VAR_DECL.
        (create_coverage): Likewise.

        * stmt.c (resolve_asm_operand_names): Call check_unique_operand_names
        here.
        (expand_asm_operands): Not here.
        (parse_input_constraint): No longer static.
        * tree.h: Declare it.

2003-10-08  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/t-linux (SHLIB_LINK): Override to use a linker script
        libgcc_s.so.
        (SHLIB_INSTALL): Likewise.

2003-10-08  Nathanael Nerode  <neroden@gcc.gnu.org>

        * doc/install.texi: Remove reference to removed 'pthreads' thread
        option.

2003-10-08  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md ("abssi2_isel"): Add early clobber to
        operand 2.

2003-10-08  Nathanael Nerode  <neroden@gcc.gnu.org>

        * config.gcc: Don't accept --enable-threads=pthreads.  Clean
        up related case statements.
        * configure.in: Don't accept --enable-threads=pthreads,
        decosf1, mach, or os2 (none of which work anyway).  Alphabetize
        supported thread files in case clause.
        * configure: Regenerate.

2003-10-08  Geoffrey Keating  <geoffk@apple.com>

        * function.c (pad_to_arg_alignment): Move 'boundary_in_bytes'
        definition to above SPARC_STACK_BOUNDARY_HACK.

2003-10-08  Jason Merrill  <jason@redhat.com>

        * c-pretty-print.c (pp_c_postfix_expression)
        <COMPOUND_LITERAL_EXPR>: Fix thinko.

2003-10-08  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * mklibgcc.in: Don't hide undefined or typeless symbols.

2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR optimization/12142
        * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
        uses of the register in the SET_SRC.  Remove unnecessary argument.
        * pa.c (legitimize_pic_address): Before reload, use a scratch register
        for the intermediate result in loading the address of a SYMBOL_REF.
        Set the MEM_NOTRAP_P flag for the MEM.  Add a REG_EQUAL to the insn
        which loads the SYMBOL_REF address.

2003-10-08  Timo Kokkonen  <tjko@iki.fi>
            Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR bootstrap/12490
        * scan-decls.c (MAX_EXTERN_C_BRACES): New preprocessor constant
        to define the size of the extern_C_braces array.  Set it to 200.
        (scan_decls): Abort when extern_C_braces_length is out-of-bounds.

2003-10-08  Carlo Wood  <carlo@alinoe.com>

        * Makefile.in (gengtype-lex.c): flex 2.5.4[a] doesn't understand
        a space after the -o option.  flex 2.5.31 understands both, with
        and without the space. Removed that space.

2003-10-08  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_frame_info): Add cprestore_size field.
        (compute_frame_size): Initialize it.  Remove the .cprestore slot
        from args_size.
        (mips_output_function_prologue): Simplify accordingly.
        (mips_debugger_offset): Change the mips16 frame pointer offset from
        current_function_outgoing_args to cfun->machine->frame.args_size.
        (mips_initial_elimination_offset): Likewise.
        (mips_expand_prologue): Likewise.
        (mips_expand_epilogue): Likewise.

2003-10-08  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (EXTRA_CONSTRAINT): Add 'W' constraint.
        (EXTRA_MEMORY_CONSTRAINT): Define.
        (CAN_ELIMINATE): Remove lwu workaround.
        * config/mips/mips.md (*zero_extendsidi2_mem): Enable for mips16 too.
        Use a 'W' constraint for the source operand.

2003-10-08  Kazu Hirata  <kazu@cs.umass.edu>

        * genopinit.c (main): Output code to declare undefined
        variables.

2003-10-07  Kelley Cook  <kcook@gcc.gnu.org>

        * gengtype-lex.l: Remove -Wtraditional cruft.
        * Makefile.in (gengtype-lex.c): Likewise.

2003-10-07  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cfgloopmanip.c (fix_irreducible_loops): Initialize e correctly.

2003-10-07  Jason Merrill  <jason@redhat.com>

        PR c++/12519
        * c-semantics.c (genrtl_cleanup_stmt): Ignore the CLEANUP_DECL if
        it isn't a decl.

2003-10-07  Alexandre Oliva  <aoliva@redhat.com>

        * gcc.c (cpp_options): Only pass -fworking-directory for -g* if
        not overridden.
        Fixes PR bootstrap/12173.

2003-10-07  Zack Weinberg  <zack@codesourcery.com>

        * errors.c: Don't include coretypes.h or tm.h.
        (trim_filename): Use IS_DIR_SEPARATOR.
        * Makefile.in: Update dependencies of errors.o and
        $(BUILD_PREFIX_1)errors.o.

2003-10-07  Geoffrey Keating  <geoffk@apple.com>

        * function.c (pad_to_arg_alignment): Take STACK_POINTER_OFFSET into
        account when aligning arguments.
        * calls.c (STACK_POINTER_OFFSET): Move default from here ...
        * defaults.h (STACK_POINTER_OFFSET): ... to here.
        * config/sparc/sparc.h (STACK_BOUNDARY): Add comment about how
        it's wrong when TARGET_ARCH64 && TARGET_STACK_BIAS.
        (SPARC_STACK_BOUNDARY_HACK): Define.
        * config/rs6000/rs6000.c (function_arg): On non-SVR4 systems,
        arrange for vector parameters to varargs functions to be passed
        in both memory and GPRs when appropriate.
        (rs6000_va_arg): Vector arguments passed in memory are 16-byte
        aligned.

        * hooks.c (hook_bool_tree_true): New.
        (hook_rtx_tree_int_null): New.
        (hook_rtx_rtx_null): Use NULL, not 0.
        * hooks.h: Add 'extern' to everything.
        (hook_bool_tree_true): New.
        (hook_rtx_tree_int_null): New.
        * targhooks.c (hook_bool_CUMULATIVE_ARGS_true): New.
        * targhooks.h (hook_bool_CUMULATIVE_ARGS_true): New.
        * config/rs6000/rs6000-protos.h (setup_incoming_varargs): Remove
        prototype.
        * config/rs6000/rs6000.c (rs6000_return_in_memory): New.
        (setup_incoming_varargs): Prototype.
        (TARGET_PROMOTE_FUNCTION_ARGS): Define.
        (TARGET_PROMOTE_FUNCTION_RETURN): Define.
        (TARGET_STRUCT_VALUE_RTX): Define.
        (TARGET_RETURN_IN_MEMORY): Define.
        (TARGET_SETUP_INCOMING_VARARGS): Define.
        (TARGET_STRICT_ARGUMENT_NAMING): Define.
        (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Define.
        (init_cumulative_args): Use rs6000_return_in_memory.
        (setup_incoming_varargs): Make 'static'.
        * config/rs6000/rs6000.h (PROMOTE_FUNCTION_ARGS): Delete.
        (PROMOTE_FUNCTION_RETURN): Delete.
        (STRUCT_VALUE): Delete.
        (RETURN_IN_MEMORY): Delete.
        (SETUP_INCOMING_VARARGS): Delete.

2003-10-07  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/invoke.texi (Warning Options): Simplify and clarify the
        descriptions of -Wnonnull and -Winit-self.

2003-10-07  Richard Earnshaw  <rearnsha@arm.com>

        * optabs.c (init_intraclass_conv_libfuncs): Fix order of array
        indicees for floating-point conversersion libcalls.

2003-10-07  Nathanael Nerode  <neroden@gcc.gnu.org>

        * Makefile.in: Add more comments separating large conceptually
        separate sections.

        * configure.in: Clean up thread file logic.
        * configure: Regenerate.

2003-10-07  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/cygming.h (READONLY_DATA_SECTION_ASM_OP): Define.
        (switch_to_section): Handle in_readonly_data.
        * config/i386/winnt.c (i386_pe_asm_named_section): Handle
        readonly data.

2003-10-07  Richard Earnshaw  <rearnsha@arm.com>

        * arm.md (cmpsi2_addneg): New ARM pattern. Add peephole2 to generate
        it.
        (cbranchne_decr1): New Thumb pattern.
        * arm.c (arm_addimm_operand): New insn predicate.
        * arm-protos.h: Add a prototype for it.
        * arm.h (PREDICATE_CODES): Add it.

2003-10-07  Dorit Naishlos <dorit@il.ibm.com>

        * sched-int.h (sched_info): New field
        sched_max_insns_priority.
        * sched-rgn.c (init_ready_list): Add invocations to
        targetm.sched.adjust_priority.
        (sched_max_insns_priority): Init new field.
        * sched-ebb.c (sched_max_insns_priority): Init new field.
        * haifa-sched.c (set_priorities): Set
        sched_info->sched_max_insns_priority.
        * config/rs6000/rs6000.h:
        (rs6000_sched_restricted_insns_priority_str): Support new
        flag -mprioritize-restricted-insns.
        (DEFAULT_RESTRICTED_INSNS_PRIORITY): Define.
        * config/rs6000/rs6000.c (is_dispatch_slot_restricted): New
        function.
        (rs6000_adjust_priority): Change priority of restricted
        insns, using above new function and new flag.
        * doc/invoke.texi (-mprioritize-restricted-insns): Document
        new option.

2003-10-07  Zack Weinberg  <zack@codesourcery.com>

        * expr.c (cmpstr_optab, cmpmem_optab): New.
        * genopinit.c: Initialize them.
        * optabs.h: Declare them.
        * optabs.c (init_optabs): Clear them.
        (prepare_cmp_insn):  Use cmpstr_optab and cmpmem_optab to find
        block memory compare insns, not conditional chains.  Restructure
        the fallback generation of a call to memcmp/bcmp for better
        readability.

2003-10-07  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): New macro.
        (mips_save_restore_fn): New typedef.
        (mips_add_large_offset_to_sp, mips_emit_frame_related_store): Remove.
        (mips_set_frame_expr, mips_frame_set): Move above prologue code.
        (save_restore_insns): Remove, replacing with...
        (mips_save_restore_reg, mips_for_each_saved_reg): ...these new fns.
        (mips_save_reg, mips_restore_reg): New function.
        (mips_expand_prologue, mips_expand_epilogue): Rework.
        * config/mips/mips.h (MIPS_TEMP1_REGNUM, MIPS_TEMP2_REGNUM): Remove.
        (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): New macros.
        (MIPS_PROLOGUE_TEMP, MIPS_EPILOGUE_TEMP): New macros.

2003-10-07  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_expand_prologue): Remove unused
        traversal of function arguments.

2003-10-07  Richard Sandiford  <rsandifo@redhat.com>

        * doc/invoke.texi: Remove documentation of -mentry.
        * config/mips/mips.c (mips_entry_string, mips_entry): Remove.
        (override_options, mips_save_reg_p): Remove handling.
        (compute_frame_size, mips_output_function_prologue): Likewise.
        (mips_expand_prologue, mips_expand_epilogue): Likewise.
        * config/mips/mips.h (mips_entry_string): Remove declaration.
        (TARGET_OPTIONS): Remove -mentry.
        * config/mips/mips16.S: Remove mention of -mentry.

2003-10-06  Zack Weinberg  <zack@codesourcery.com>

        * libfuncs.h (LTI_extendsfdf2, LTI_extendsfxf2, LTI_extendsftf2)
        (LTI_extenddfxf2, LTI_extenddftf2, LTI_truncdfsf2, LTI_truncxfsf2)
        (LTI_trunctfsf2, LTI_truncxfdf2, LTI_trunctfdf2, LTI_floatsisf)
        (LTI_floatdisf, LTI_floattisf, LTI_floatsidf, LTI_floatdidf)
        (LTI_floattidf, LTI_floatsixf, LTI_floatdixf, LTI_floattixf)
        (LTI_floatsitf, LTI_floatditf, LTI_floattitf, LTI_fixsfsi, LTI_fixsfdi)
        (LTI_fixsfti, LTI_fixdfsi, LTI_fixdfdi, LTI_fixdfti, LTI_fixxfsi)
        (LTI_fixxfdi, LTI_fixxfti, LTI_fixtfsi, LTI_fixtfdi, LTI_fixtfti)
        (LTI_fixunssfsi, LTI_fixunssfdi, LTI_fixunssfti, LTI_fixunsdfsi)
        (LTI_fixunsdfdi, LTI_fixunsdfti, LTI_fixunsxfsi, LTI_fixunsxfdi)
        (LTI_fixunsxfti, LTI_fixunstfsi, LTI_fixunstfdi, LTI_fixunstfti)
        (extendsfdf2_libfunc, extendsfxf2_libfunc, extendsftf2_libfunc)
        (extenddfxf2_libfunc, extenddftf2_libfunc, truncdfsf2_libfunc)
        (truncxfsf2_libfunc, trunctfsf2_libfunc, truncxfdf2_libfunc)
        (trunctfdf2_libfunc, floatsisf_libfunc, floatdisf_libfunc)
        (floattisf_libfunc, floatsidf_libfunc, floatdidf_libfunc)
        (floattidf_libfunc, floatsixf_libfunc, floatdixf_libfunc)
        (floattixf_libfunc, floatsitf_libfunc, floatditf_libfunc)
        (floattitf_libfunc, fixsfsi_libfunc, fixsfdi_libfunc, fixsfti_libfunc)
        (fixdfsi_libfunc, fixdfdi_libfunc, fixdfti_libfunc, fixxfsi_libfunc)
        (fixxfdi_libfunc, fixxfti_libfunc, fixtfsi_libfunc, fixtfdi_libfunc)
        (fixtfti_libfunc, fixunssfsi_libfunc, fixunssfdi_libfunc)
        (fixunssfti_libfunc, fixunsdfsi_libfunc, fixunsdfdi_libfunc)
        (fixunsdfti_libfunc, fixunsxfsi_libfunc, fixunsxfdi_libfunc)
        (fixunsxfti_libfunc, fixunstfsi_libfunc, fixunstfdi_libfunc)
        (fixunstfti_libfunc): Delete.
        * optabs.h (struct optab_handlers): Break out of struct optab.
        (struct convert_optab, convert_optab, enum convert_optab_index,
        convert_optab_table, sext_optab, zext_optab, trunc_optab,
        sfix_optab, ufix_optab, sfixtrunc_optab, ufixtrunc_optab,
        sfloat_optab, ufloat_optab): New.
        (set_conv_libfunc): Prototype.
        (GEN_FCN): Use C90 indirect call syntax, remove unnecessary cast.
        (trunc_optab): Renamed btrunc_optab.
 &nb