2005-12-02 Richard Guenther <rguenther@suse.de>

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

2005-12-02  Richard Guenther  <rguenther@suse.de>

        * tree.h (build): Remove prototype.
        (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
        * tree.c (build): Remove.
        (build0_stat): Update comment.

2005-12-02  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
        * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
        Likewise.
        * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
        maybe_fold_offset_to_component_ref): Likewise.
        * tree-ssa-dom.c (thread_across_edge,
        simplify_rhs_and_lookup_avail_expr,
        find_equivalent_equality_comparison, record_equivalences_from_stmt):
        Likewise.
        * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
        * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
        lower_try_finally_switch): Likewise.
        * tree-if-conv.c (add_to_dst_predicate_list,
        replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
        * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
        voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
        gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
        gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
        shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
        gimplify_init_ctor_eval, gimplify_init_constructor,
        gimplify_variable_sized_compare, gimplify_boolean_expr,
        gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
        gimplify_expr, gimplify_body, gimplify_function_tree,
        force_gimple_operand): Likewise.
        * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
        * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
        mx_register_decls): Likewise.
        * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
        get_frame_field, finalize_nesting_tree_1): Likewise.
        * tree-inline.c (setup_one_parameter): Likewise.
        * tree-vect-transform.c (vectorizable_condition): Likewise.
        * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
        Likewise.
        * tree-profile.c (tree_gen_edge_profiler): Likewise.
        * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
        * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
        * tree-chrec.h (build_polynomial_chrec): Likewise.

2005-12-02  Richard Guenther  <rguenther@suse.de>

        * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
        alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
        * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
        * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
        * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
        * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
        * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
        Likewise.
        * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
        sh_adjust_unroll_max): Likewise.
        * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
        * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
        * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
        Likewise.
        * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
        Likewise.
        * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
        Likewise.

2005-12-02  Richard Guenther  <rguenther@suse.de>

        * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
        simplify_cond_using_ranges): Use buildN instead of build.
        * tree-tailcall.c (adjust_accumulator_values,
        adjust_return_value): Likewise.
        * tree-sra.c (generate_one_element_ref, generate_copy_inout,
        generate_element_copy, generate_element_zero,
        generate_one_element_init): Likewise.
        * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
        * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
        lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
        perfect_nestify): Likewise.

2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (pa_secondary_reload): Revise initialization of variable regno.

2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * ggc.h (GGC_RESIZEVEC): New.

2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * gcc.c (execute): Improve readability.

2005-12-02  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (mark_used_vars): New function.
        (dump_function_to_file): Dump only used VAR_DECLs.

2005-12-02  Richard Guenther  <rguenther@suse.de>

        * convert.c (convert_to_integer): Fix compare for nonpositive
        constant to use tree_int_cst_sgn <= 0.

2005-12-02  Richard Guenther  <rguenther@suse.de>

        * convert.c (convert_to_integer): Use fold_convert instead
        of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
        instead of comparing against 0.  Use build_int_cst instead
        of converting integer_zero_node.

2005-12-02  Richard Guenther  <rguenther@suse.de>

        * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
        and RROTATE_EXPR.
 
2005-12-02  Alan Modra  <amodra@bigpond.net.au>

        PR target/21017
        * combine.c (simplify_logical <IOR>): Simplify more patterns to
        rotates.

2005-12-02  Alan Modra  <amodra@bigpond.net.au>

        PR middle-end/25176
        * function.c (expand_function_end): Emit blockage for unwinder
        after return label.

2005-12-01  Roger Sayle  <roger@eyesopen.com>

        * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
        constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
        * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
        integer constant comparisons.

2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
            Janis Johnson  <janis187@us.ibm.com>
            David Edelsohn  <dje@watson.ibm.com>
            Ben Elliston  <bje@au.ibm.com>

        * dfp.h, dfp.c: New files.
        * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
        (DECNUM_H): Likewise.
        (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
        (INCLUDES): Append $(DECNUMINC).
        (OBJS-common): Add dfp.o.
        (dfp.o): New rule.
        * real.h (EXP_BITS): Pinch one bit to ..
        (struct real_value): Add decimal field.
        (real_format): Change table size, update documentation.
        (REAL_MODE_FORMAT): Update for to handle float, decimal float.
        (real_from_string3): Declare.
        (decimal_single_format): Declare.
        (decimal_double_format): Declare.
        (decimal_quad_format): Declare.
        (REAL_VALUE_TO_TARGET_DECIMAL32): New.
        (REAL_VALUE_TO_TARGET_DECIMAL64): New.
        (REAL_VALUE_TO_TARGET_DECIMAL128): New.
        * real.c: Include dfp.h.
        (normalize): Early return for decimal floats.
        (do_add): Zero decimal field.
        (do_compare): Call do_decimal_compare for decimal floats.
        (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
        (real_arithmetic): Call decimal_real_arithmetic for decimal
        floating point operands.
        (real_identical): If a and b are of differing radix, return false.
        (real_to_integer): Call decimal_real_to_integer if the value is a
        decimal float.
        (real_to_integer2): Likewise, call decimal_real_to_integer2.
        (real_to_decimal): Likewise, call decimal_real_to_decimal.
        (real_to_hexadecimal): Place "N/A" in the return string for
        decimal float.
        (real_from_string3): New variant, given a mode.
        (real_maxval): Use decimal_real_maxval for decimal floats.
        (round_for_format): Use decimal_round_for_format for decimals.
        (real_convert): Use decimal_real_convert where appropriate.
        (significand_size): Handle base 10.
        (encode_decimal_single, decode_decimal_single,
        encode_decimal_double, decode_decimal_double, encode_decimal_quad,
        decode_decimal_quad): New functions.
        (decimal_single_format): New.
        (decimal_double_format): New.
        (decimal_quad_format): New.
        * machmode.def: Add SD, DD and TD decimal floating point modes.
        * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
        Include MODE_DECIMAL_FLOAT.
        (DECIMAL_FLOAT_MODE_P): New.
        * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
        * genmodes.c (struct mode_data): Add counter field.
        (struct mode_data): Update comment for format.
        (blank_mode): Initialise counter field.
        (new_mode): Increment counter field for each mode defined.
        (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
        using a format.
        (make_complex_modes): Handle modes containing `D'.
        (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
        (make_decimal_float_mode): New.
        (reset_float_format): Handle MODE_DECIMAL_FLOAT.
        (cmp_modes): Compare counter field if other characteristics
        similar.
        (emit_real_format_for_mode): Support formats for decimal floats.
        * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
        Document MODE_DECIMAL_FLOAT.

2005-12-02  Alan Modra  <amodra@bigpond.net.au>

        * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
        Delete dead code.

2005-12-01  Richard Henderson  <rth@redhat.com>

        * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.

2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.

        * config/pa/pa.c (pa_init_builtins): If we detect
        DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
        putc_unlocked.

2005-12-01  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (fold_binary): Use fold_build2, not
        fold (build (...)).

2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>

        * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.

        * vec.h (VEC_block_remove): New.

2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        PR c/13384
        * c-common.c (lvalue_error): Fix wording.

2005-12-01  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
        thinko in last patch.

2005-12-01  Geoffrey Keating  <geoffk@apple.com>

        * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
        than -flat_namespace.

2005-12-01  Ben Elliston  <bje@au.ibm.com>

        * mklibgcc.in: Parameterise the script to build soft float
        functions by iterating over each type, rather than cloning the
        code for each type.

2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR middle-end/25158
        * builtins.c (fold_builtin_fputs): Defer check for missing
        replacement functions.

2005-11-30  Kean Johnston  <jkj@sco.com>

        * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
        simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.

2005-11-30  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/22501
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
        function split out from ...
        (forward_propagate_addr_expr): ... here.  Use it to propagate
        ADDR_EXPRs to all uses.

2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
        * builtins.c (expand_builtin_mathfn): Use them.
        (expand_builtin_mathfn_2): Likewise.
        (expand_builtin_mathfn_3): Likewise.
        (expand_builtin_int_roundingfn): Likewise.
        (expand_builtin): Likewise.
        (integer_valued_real_p): Likewise.
        (fold_builtin_int_roundingfn): Likewise.
        (fold_builtin_bitop): Likewise.
        (fold_builtin_logarithm): Likewise.
        (fold_builtin_1): Likewise.
        * convert.c (convert_to_integer): Likewise.
        * fold-const.c (negate_mathfn_p): Likewise.
        (tree_expr_nonnegative_p): Likewise.

2005-11-30  Dale Johannesen  <dalej@apple.com>
            Andrew Pinski  <pinskia@physics.uc.edu>

        * combine.c (find_split_point):  Sign extend bitmask
        when changing bitfield assignment to IOR of AND.

2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>

        * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
        clobber to scratch reg.
        (*decrement_and_branch_until_zero_no_clobber): Remove.
        (decrement_and_branch peephole): Add dummy scratch reg to pattern.
        (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
        * config/ms1/ms1.opt (mmul): Remove.
        * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
        (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.

2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
            Bernd Schmidt  <bernd.schmidt@analog.com>

        * pa/predicates.md (symbolic_operand): Add comment.
        * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
        * pa/pa-protos.h (pa_secondary_reload_class): Delete.
        * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
        (pa_secondary_reload_class): Delete.
        (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
        and pa_secondary_reload_class.  Reorder some checks.  Update inline
        copy of symbolic operand.
        * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.

2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>

        * loop-doloop.c (add_test): Only add jump notes if we did emit a
        jump.

2005-11-30  Jeff Law  <law@redhat.com>

        * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
        handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.

2005-11-30  Jakub Jelinek  <jakub@redhat.com>

        * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
        Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
        (ia64_expand_move): Adjust caller.

        * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
        fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
        negate VAL.

2005-11-30  Paolo Bonzini  <bonzini@gnu.org>

        * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
        Always produce an output if we can remove NEGs or canonicalize
        (minus (minus ...)) expressions.  Provide a fast path for the
        two-operand case.
        (simplify_gen_binary): Do not call simplify_plus_minus.
        (simplify_binary_operation_1): Reassociate at the end of the
        function.

2005-11-29  Evan Cheng  <evan.cheng@apple.com>

        * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
        moves and unpack to speed up.

2005-11-29  David S. Miller  <davem@sunset.davemloft.net>

        * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
        argument, they are always sparc_compare_op0 and sparc_compare_op1.
        (gen_v9_scc): Update callers.
        * config/sparc/sparc.md: Likewise.
        * config/sparc/sparc-protos.h: Update extern declaration.

        * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.

2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>

        * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
        the if.

2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>

        * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
        (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
        (negate_expr): Here.

2005-11-29  Ben Elliston  <bje@au.ibm.com>

        * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
        Fix typo in comment.

2005-11-29  Ben Elliston  <bje@au.ibm.com>

        * Makefile.in (clean-target): Depend on clean-target-libgcc.
        (clean-target-libgcc): Import rule from the top-level Makefile.in.

2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR middle-end/20109
        PR middle-end/25120
        * builtins.c (init_target_chars): New.
        (expand_builtin_printf, expand_builtin_fprintf,
        expand_builtin_sprintf, fold_builtin_sprintf,
        maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
        fold_builtin_snprintf_chk, fold_builtin_printf,
        fold_builtin_fprintf): Check for matching format strings using
        the target charset.

2005-11-29  Paul Brook  <paul@codesourcery.com>

        * config.gcc: Do not use fixproto on m68k-elf.

2005-11-28  Roger Sayle  <roger@eyesopen.com>

        * expmed.c (div_cost): Replace with...
        (sdiv_cost, udiv_cost): New.
        (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
        Rename the div and mod fields, used to initialize sdiv_pow2_cheap
        and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
        (expand_divmod): Replace use of div_cost with either sdiv_cost
        or udiv_cost depending upon the signedness of the operation.

2005-11-28  Alexandre Oliva  <aoliva@redhat.com>

        PR libfortran/24991
        * config/darwin.c (machopic_indirection_name,
        machopic_output_indirection): Follow transparent alias chain.

2005-11-28  Alexandre Oliva  <aoliva@redhat.com>

        * varasm.c (ultimate_transparent_alias_target): Add comment.

2005-11-28  Kazu Hirata  <kazu@codesourcery.com>

        * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
        SET_SRC instead of XEXP where appropriate.

2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>

        * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
        __builtin_expect.

2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>

        * config/fp-bit.h (LSHIFT): Take shift count parameter.
        * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
        bit at a time.

2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
        secondary_input_reload_class, made static.  Adapt to new
        infrastructure.
        (secondary_output_reload_class): Delete.
        (TARGET_SECONDARY_RELOAD): New macro.
        * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
        SECONDARY_OUTPUT_RELOAD_CLASS): Delete.

2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>

        PR c++/21166
        * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
        when its natural alignment is > BITS_PER_UNIT.
        * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
        * c-common.c (handle_packed_attribute): Ignore packing on a field
        whose type is naturally char aligned.

2005-11-28  Richard Guenther  <rguenther@suse.de>

        * c-common.c (strict_aliasing_warning): Handle all
        component-ref like accesses.

2005-11-28  Roger Sayle  <roger@eyesopen.com>
            Uros Bizjak  <uros@kss-loka.si>

        PR middle-end/20219
        * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
        sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
        when flag_unsafe_math_optimizations is set and
        we don't care about NaNs or Infinities.

        Move x/expN(y) and x/pow(y,z) transformation into common
        flag_unsafe_math_optimizations section.

2005-11-27  Mark Mitchell  <mark@codesourcery.com>

        * gcc.c (main): Change type of argv to "char **".

2005-11-28  Alan Modra  <amodra@bigpond.net.au>

        * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
        small data sections.
        * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
        * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
        * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
        (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
        output locals to sbss if !rs6000_elf_in_small_data_p.
        (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.

2005-11-28  Alan Modra  <amodra@bigpond.net.au>

        PR target/24997
        * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
        generated by reload.
        * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
        indexed_or_indirect_address.
        (indexed_or_indirect_address): Don't test for base reg.  Call
        address_operand last.  Make it a special predicate.

2005-11-27  Kazu Hirata  <kazu@codesourcery.com>

        * config/m68k/m68k.c (notice_update_cc): Remove useless code.

2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/24575
        * fold-const.c (negate_expr_p): Add case for signed divides if overflow
        is undefined.
        (negate_expr): Likewise.

2005-11-27  Andreas Schwab  <schwab@suse.de>

        * config/m68k/m68k.c: Reindent and fix whitespace, remove
        redundant parens.

2005-11-27  Steven Bosscher  <stevenb@suse.de>

        * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
        has EH predecessor edges.

2005-11-26  Eric Christopher  <echristo@apple.com>

        * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
        register stalls by zero extending to the full register.

2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>

        * config/floatunsisf.c, config/floatunsidf.c,
        config/floatunsixf.c, config/floatunsitf.c: New files.
        * config/ia64/t-hpux: Add floatunsitf.c.
        * config/ia64/ia64.c (ia64_init_libfuncs): Use
        _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.

2005-11-26  Richard Henderson  <rth@redhat.com>

        * c-lex.c (pragma_lex): Rename from c_lex.
        * c-pch.c: Update for pragma_lex rename.
        * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
        * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
        * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
        * config/sol2-c.c, config/v850/v850-c.c: Likewise.
        * doc/tm.texi: Likewise.

2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/23669
        * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
        when overflow is undefined.

2005-11-26  Hans-Peter Nilsson  <hp@axis.com>

        * doc/md.texi (Insn Canonicalizations): Refer to the
        function commutative_operand_precedence for further rules.

2005-11-25  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/21309
        * expmed.c (choose_mult_variant): Return immediately when mult_cost
        is less than zero.  Limit mult_cost to a reasonable upper bound for
        the synthetic multiplication sequence.

2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR middle-end/25022
        * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
        fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
        Lookup the explicit replacement functions for any unlocked
        stdio builtin transformations.

2005-11-25  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
        earlyclobber.
        * targhooks.c (default_secondary_reload): Don't require operand 2
        for an input reload to be earlyclobber.

2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * fold-const.c (negate_mathfn_p): Fix comment and add support
        for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
        BUILT_IN_ATANH.

2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>

        PR middle-end/24998
        * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
        _Q_ulltoq for unsigned conversions from SImode and DImode to
        TFmode.

2005-11-25  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/ppc64-fp.c (__floatunditf): New function.
        (__floatundidf, __floatundisf): Likewise.

2005-11-25  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
        (rs6000_override_options): Remove initialization of
        rs6000_sr_alias_set.
        (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
        (rs6000_emit_stack_tie): Same.
        (emit_frame_save): Same.
        (gen_frame_mem_offset): Same.
        (rs6000_emit_prologue): Same.
        (rs6000_emit_epilogue): Same.

2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/24989
        * fold-const.c (fold_build): Convert bool_var != 1 and
        bool_var == 0 to !bool_var.

2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/24990
        * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
        for C being INTEGER_CST.  Likewise for !=.

2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>

        PR middle-end/24998
        * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
        unsigned conversions from SImode to TFmode.

2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>

        * expr.c (expand_expr_real_1): Fix error in last change.

2005-11-24  J"orn Rennecke <joern.rennecke@st.com>

        * caller-save.c: (this_insn_sets): Move into:
        (save_call_clobbered_regs).
        (mark_set_regs): Get this_insn_sets from data.

        (save_call_clobbered_regs): Take sets of the return value by
        sibcalls into account.

2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
        PR target/21623:

        * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
        SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
        (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
        (memory_move_secondary_cost, init_reg_autoinc): Remove
        SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
        Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
        secondary_reload_class call.
        (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
        callers.
        * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
        (push_secondary_reload): Use secondary_reload target hook.
        (secondary_reload_class, scratch_reload_class): New functions.
        (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
        SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
        SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
        * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
        (secondary_reload_class, scratch_reload_class): Declare.
        * reload1.c: Include target.h.
        (reload_adjust_reg_for_temp): New function.
        (reload_adjust_reg_for_icode): Likewise.
        (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
        Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
        call.
        (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
        for inheritance.  Support case when both secondary & tertiary reloads
        are for intermediate registers.
        (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
        with secondary_reload_class call.  Support case when both secondary
        & tertiary reloads are for intermediate registers.
        * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
        (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
        * target.h (secondary_reload_info): New struct / typedef.
        (struct gcc_target): New member secondary_reload.
        * targhooks.c Include reload.h, optabs.h and recog.h.
        (default_secondary_reload): New function.
        * targhooks.h (default_secondary_reload): Declare.
        * doc/tm.texi: Document secondary_reload target hook.  Update
        description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
        * doc/md.texi: Likewise.

        * sh-protos.h (sh_secondary_reload): Declare.
        * sh.c (TARGET_SECONDARY_RELOAD): Override.
        (sh_secondary_reload): New function.
        * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
        (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
        (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
        (HAVE_SECONDARY_RELOADS): Define.
        * sh.md (reload_indf): Rename to:
        (reload_indf__frn).
        (reload_outdf): Rename to:
        (reload_outdf__RnFRm).
        (reload_insf): Rename to:
        (reload_insf__frn).
        (reload_insi): Rename to:
        (reload_insi__i_fpul).

2005-11-24  Uros Bizjak  <uros@kss-loka.si>

        * configure.ac: Require at least texinfo 4.4.
        * configure: Regenerate.

        * doc/install.texi (Tools/packages necessary for building GCC):
        Update required version of texinfo to at least 4.4.
        (Installing GCC: Building): Update required version of texinfo
        to at least 4.4.
        (Installing GCC: Final installation): Update required version
        of texi2dvi to at least 4.4.
        (Host/target specific installation notes for GCC): Update required
        version of texinfo to at least 4.4.

2005-11-24  Richard Guenther  <rguenther@suse.de>
        Dirk Mueller <dmueller@suse.de>

        PR c++/14024
        * c-common.h (strict_aliasing_warning): Declare.
        * c-common.c (strict_aliasing_warning): New function,
        split out from ...
        * c-typeck.c (build_c_cast): ... here.

2005-11-24  Paolo Bonzini  <bonzini@gnu.org>

        * optabs.c (expand_binop): Use swap_commutative_operands_with_target
        to order operands.
        (swap_commutative_operands_with_target): New.

2005-11-24  Paolo Bonzini  <bonzini@gnu.org>

        * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
        also when doing PRE, rather than only for global CPROP.

2005-11-24  Ben Elliston  <bje@au.ibm.com>

        * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
        * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
        formatting.
        (expand_twoval_unop): Likewise.
        (widen_clz): Likewise.
        (expand_parity): Likewise.
        (expand_unop): Likewise.
        (emit_cmp_and_jmp_insn_1): Likewise.
        (prepare_float_lib_cmp): Likewise.

2005-11-24  Ben Elliston  <bje@au.ibm.com>

        * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
        Remove unused `class' variable.

2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        PR c++/21667
        * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
        C/C++ diagnostic function warn_array_subscript_with_type_char.
        * c-common.h (warn_array_subscript_with_type_char): Declare.
        * c-common.c (warn_array_subscript_with_type_char): Define.

2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        PR c/21668
        * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
        compiling at the intersection of C and C++.

2005-11-23  Mark Mitchell  <mark@codesourcery.com>

        * doc/invoke.texi: For man pages, include gcc-vers.texi.
        List @file in the option summary.  Include the libiberty
        documentation for @file.
        * gcc.c (main): Call expandargv.
        * Makefile.in (gcc-vers.texi): Define srcdir.

2005-11-23  Diego Novillo  <dnovillo@redhat.com>

        * passes.c (init_optimization_passes): Document
        sequencing of passes.

2005-11-23  Kazu Hirata  <kazu@codesourcery.com>

        * config/m68k/predicates.md (pcrel_address, extend_operator,
        post_inc_operand, pre_dec_operand): Remove redundant
        conditionals.
        (const_uint32_operand, const_sint32_operand): Use gcc_assert
        instead of abort.
        (valid_dbcc_comparison_p): Rewrite in the lisp style.

2005-11-23  Ben Elliston  <bje@au.ibm.com>

        * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.

2005-11-22  J"orn Rennecke <joern.rennecke@st.com>

        Preparatory work for PR target/21623:
        * alpha.c (secondary_reload_class): Rename to:
        (alpha_secondary_reload_class).
        * alpha.h, alpha-protos.h: Likewise.
        * mn10300.c (secondary_reload_class): Rename to:
        (mn10300_secondary_reload_class).
        * mn10300.h, mn10300-protos.h: Likewise.
        * pa.c (secondary_reload_class): Rename to:
        (pa_secondary_reload_class).
        * pa.h, pa-protos.h: Likewise.
        * rs6000.c (secondary_reload_class): Rename to:
        rs6000_secondary_reload_class.
        * rs6000.h, rs6000-protos.h: Likewise.

2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/22561
        * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.

2005-11-22  Ian Lance Taylor  <ian@airs.com>

        * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
        a mode_class.
        (prepare_cmp_insn): Likewise.

2005-11-22  Kazu Hirata  <kazu@codesourcery.com>

        PR target/23435
        * m68k.md (zero_extendsidi2): Force operands[1] to a register
        if both operands[0] and operands[1] are memory.

2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/23606
        * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
        COMPARISON_CLASS_P and an integral types create create a new
        expression with the new type and fold that.

2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/24988
        * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
        to SUBTARGET_OS_CPP_BUILTINS.

2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.c (emit_set_insn): New function.
        (arm_split_constant): Call it.
        (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
        (arm_legitimize_address): Likewise.  Use plus_constant.
        (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
        (thumb_expand_prologue): Likewise.
        (arm_gen_load_multiple): Use VOIDmode in SET.
        (arm_gen_store_multiple): Likewise.
        (vfp_emit_fstmx): Likewise.  Use plus_constant.
        (emit_multi_reg_push): Likewise.
        (emit_sfm): Use plus_constant.

2005-11-23  Alan Modra  <amodra@bigpond.net.au>

        PR target/24954
        * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
        typo last change.

2005-11-22  Alan Modra  <amodra@bigpond.net.au>

        PR middle-end/24950
        * expmed.c (store_bit_field): Don't attempt to insv a field
        larger than the reg.

2005-11-22  Alan Modra  <amodra@bigpond.net.au>

        PR target/24954
        * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
        explicit sign extension, not a (char) cast.

2005-11-22  Ben Elliston  <bje@au.ibm.com>

        * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
        GET_MODE_CLASS (x) == MODE_FLOAT.
        * config/i386/i386.c: Likewise.
        * config/rs6000/xcoff.h: Likewise.
        * config/rs6000/linux64.h: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * config/rs6000/rs6000.h: Likewise.
        * config/rs6000/predicates.md: Likewise.
        * config/rs6000/sysv4.h: Likewise.

2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
        flag_pic is set.

        * config/alpha/freebsd.h, config/alpha/linux.h,
        config/arm/linux-elf.h, config/bfin/bfin.h,
        config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
        config/i386/beos-elf.h, config/i386/gnu.h,
        config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
        config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
        config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
        config/rs6000/linux64.h, config/rs6000/sysv4.h,
        config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
        config/sh/linux.h, config/sh/sh.h, config/sol2.h,
        config/sparc/linux.h, config/sparc/linux64.h,
        config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.

        * doc/invoke.texi: Document that the macros __pic__ and __PIC__
        are both defined when either flag -fpic or -fPIC are used.

2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>

        * config/fp-bit.c (clzusi): New function.
        (si_to_float, usi_to_float): Use it to compute proper shift.
        (usi_to_float): Preserve guard bits when shifting right.
        * libgcc-std.ver (GCC_4.2.0): New version.
        * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
        __floatundisf): New functions.
        * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
        __floatundisf): Declare.
        * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
        _floatundixf, and _floatunditf.
        * optabs.c (expand_float): If target does not define a pattern for
        signed or unsigned conversion, use an unsigned libcall instead of
        a signed one.
        (init_optabs): Initialize ufloat_optab.

2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>

        * config/rs6000/rs6000.opt (mmulhw): New option.
        * doc/invoke.texi (-mmulhw): Document.
        * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
        for 405 and 440.
        * config/rs6000/rs6000.md: Add half-word multiply and
        multiply-accumulate instructions for 405 and 440.

2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>

        * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
        which matches behavior of gcc 4.0 and older for RTEMS targets.  The
        default now includes a linker group which makes the RTEMS one nest.

2005-11-22  Ben Elliston  <bje@au.ibm.com>

        * cse.c (fold_rtx): Typo fix.
        (find_comparison_args): Pass the mode of arg1, not arg1 itself.

2005-11-21  Richard Henderson  <rth@redhat.com>

        * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
        langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.

        * c-tree.h (lookup_name): Move declaration ...
        * c-common.h (lookup_name): ... here.
        * config/darwin-c.c: Include c-common.h.
        * config/t-darwin: Update dependencies.

2005-11-22  Ben Elliston  <bje@au.ibm.com>

        * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
        explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
        * genopinit.c (gen_insn): Likewise.
        * reload.c (find_equiv_reg): Likewise.
        * loop.c (load_mems): Likewise.
        * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
        * cse.c (find_comparison_args, fold_rtx): Likewise.
        * dwarf2out.c (add_const_value_attribute): Likewise.
        * expr.c (convert_move): Likewise.
        * recog.c (general_operand, register_operand): Likewise.
        * reg-stack.c (replace_reg): Likewise.
        * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
        * c-common.c (handle_vector_size_attribute): Likewise.
        * simplify-rtx.c (simplify_const_unary_operation): Likewise.
        (simplify_binary_operation_1): Likewise.
        (simplify_const_binary_operation): Likewise.
        (simplify_relational_operation): Likewise.
        (simplify_const_relational_operation): Likewise.
        (simplify_immed_subreg): Likewise.
        * emit-rtl.c (gen_lowpart_common): Likewise.
        * expmed.c (expand_mult): Likewise.
        * stor-layout.c (layout_type): Likewise.

2005-11-21  Paolo Bonzini  <bonzini@gnu.org>

        PR target/24951
        * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
        cst2 only for SPE vectors.

2005-11-21  David Edelsohn  <edelsohn@gnu.org>

        PR target/24953
        * config/rs6000/predicates.md (vrsave_operation): Check
        UNSPEC_VOLATILE value.

2005-11-21  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/24653
        * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.

2005-11-21  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/predicates.md (ax_reg_operand): New predicate.
        (memory_displacement_only_operand): New predicate.
        * config/i386/i386.md ("modrm" attribute): Return 0 if one
        operand is AX register and the other operand is memory operand
        with displacement only.

2005-11-21  Uros Bizjak  <uros@kss-loka.si>

        * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
        if we don't care about NaNs or Infinities.

2005-11-20  Ian Lance Taylor  <ian@airs.com>

        PR rtl-optimization/24883
        * combine.c (combinable_i3pat): When checking whether the
        destination of i3 is used in i3, consider paradoxical subregs.

2005-11-21  Kazu Hirata  <kazu@codesourcery.com>

        PR middle-end/20583
        * cse.c (cse_insn): Reject invalid forms of CONST earlier.

2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>

        * combine.c (try_combine): Do not run subst on i1src and i2src in
        the case of generating a PARALLEL for a comparison.

2005-11-20  Richard Henderson  <rth@redhat.com>

        PR 24931
        * tree-sra.c (struct sra_elt): Add all_no_warning.
        (struct sra_walk_fns) <use>: Add use_all argument.
        (sra_walk_expr): Pass it.
        (sra_walk_modify_expr): Likewise.
        (scalarize_ldst): Likewise.
        (scan_use): Update for new argument.
        (mark_no_warning): New.
        (scalarize_use): Use it.

2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>

        * expr.c (expand_expr_real): Use usmul_optab for widening
        signed * unsigned multiplies.
        * genopinit.c (optabs): Add usmul_widen_optab.
        * optabs.c (init_optabs): Likewise.
        * optabs.h (enum optab_index): Add OTI_usmul_widen.
        (usmul_widen_optab): Define.
        * config/bfin/bfin.md (usmulhisi3): New pattern.

        * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.

2005-11-20  Graham Stott <btinternet.com>

        * gensupport.c (std_preds): Fixed extraneous `false` in last change.

2005-11-20  Andreas Schwab  <schwab@suse.de>

        PR target/24757
        * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
        insn.

2005-11-19  Richard Henderson  <rth@redhat.com>

        PR tree-opt/24665
        * tree-gimple.c (is_gimple_id): Export.
        * tree-gimple.h (is_gimple_id): Declare.
        * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
        (get_default_value): Use it.
        (maybe_fold_stmt_indirect): Likewise.

2005-11-19  James A. Morrison  <phython@gcc.gnu.org>

        * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
        than VR1 or vice-versa.

2005-11-19  Hans-Peter Nilsson  <hp@axis.com>

        PR middle-end/24912
        PR middle-end/24750
        * reload.c (find_reloads_address_1): Mention dependency on
        gen_reload.
        * reload1.c (gen_reload): For IN with an unary operation, try
        moving inner expression to OUT if trivial SET is not valid.
        Confirm that the result is valid.  Move common code block into...
        (emit_insn_if_valid_for_reload): New function.

2005-11-19  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (fold_indirect_ref_1): Make sure we fold
        ARRAY_REFs of constant strings.

2005-11-19  Jakub Jelinek  <jakub@redhat.com>

        * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
        fatal format string.

2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>

        * combine.c (make_compound_operation): Swap operands of
        commutative operation if necessary before returning.

2005-11-19  Richard Guenther  <rguenther@suse.de>

        PR middle-end/23294
        * fold-const.c (fold_plusminus_mult_expr): New function.
        (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
        cases, remove now unnecessary code.

2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>

        * gensupport.c (old_preds): Rename to std_preds, add special field.
        (struct old_pred_table): Rename to struct std_pred_table, add special
        field.
        (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
        (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
        (init_predicate_table): Adjust, and set along the way whether a
        predicate is special.

2005-11-18  Mark Mitchell  <mark@codesourcery.com>

        * BASE-VER: Change to 4.2.0.

2005-11-18  James E Wilson  <wilson@specifix.com>

        * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
        returning it.

2005-11-18  Mike Stump  <mrs@apple.com>

        * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
        * config/darwin-c.c (darwin_pragma_unused): Likewise.
        * c-decl.c (lookup_name_two) Remove.
        * c-tree.h (lookup_name_two): Remove.
        * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
        * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
        (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
        * langhooks.h (lang_hooks_for_decls): Add lookup_name.

2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>

        PR target/24914
        * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
        when not generating code to use that co-processor.

2005-11-18  James A. Morrison  <phython@gcc.gnu.org>

        * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
        add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
        these functions are now in tree-phinodes.c.

2005-11-18  Jie Zhang  <jie.zhang@analog.com>

        * config/bfin/bfin.md (trap): New pattern.

2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
        on types.

        * expr.c (expand_expr_real): Don't call record_block_change unless
        ib_boundaries_block is non-null

        * postreload.c (reload_cse_move2add): Don't try to work with BImode.

        * fold-const.c (build_range_check): Use proper type for subtraction
        when merging lower bound.

2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>

        PR rtl-optimization/24497
        * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
        the copied insn.

2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-scalar-evolution.c (expression_expensive_p): New function.
        (scev_const_prop): Use compute_overall_effect_of_inner_loop.

2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/crtlibid.s: New file.

2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/24348
        * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
        when not using sjlj exceptions.
        * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
        * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
        * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
        * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
        DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
        * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
        * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
        DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
        ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
        * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
        (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
        DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
        ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
        defines.
        * config/pa/hpux-unwind.h: New file.

2005-11-17  Alexandre Oliva  <aoliva@redhat.com>

        * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
        * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
        * varasm.c (do_assemble_alias): Adjust call.
        (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
        is defined.
        * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.

2005-11-17  James E Wilson  <wilson@specifix.com>

        * tree.def (FUNCTION_DECL): Correct typo in comment.

2005-11-17  Richard Henderson  <rth@redhat.com>

        * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
        (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
        and DW_CFA_def_cfa_sf.
        (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
        (dbx_reg_number): Don't assert particular registers here.
        (based_loc_descr): ... do it here instead.  Fold in ...
        (eliminate_reg_to_offset): ... this function.
        (compute_frame_pointer_to_cfa_displacement): Fold in the effects
        of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
        * unwind-dw2.c (execute_cfa_program): Apply data align factor
        to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
        * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
        (instantiate_virtual_regs): Likewise.
        * var-tracking.c (adjust_stack_reference): Likewise.
        * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.

2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
        * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
        * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
        crtlibid.o.
        ($(T)crtlibid.o): New rule.

2005-11-16  Richard Guenther  <rguenther@suse.de>

        PR middle-end/24851
        * fold-const.c (extract_array_ref): Return byte offset
        in all cases.
        (fold_binary): Fold &x[a] CMP &x[b] to
        a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
        behavior.

2005-11-16  Richard Henderson  <rth@redhat.com>

        PR middle-end/23497
        * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
        parts of an SSA_NAME.

2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>

        PR target/24861
        * arm.md (split for movsf with immediate): Restrict split to insns
        that set a general register.

2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
        uw_update_context.
        * unwind-dw2.c (uw_advance_context): Likewise.
        * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
        _Unwind_SjLj_Unregister.
        * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.

2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>

        * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.

2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>

        * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
        langhook to get a DImode integer type.

2005-11-16  Richard Henderson  <rth@redhat.com>
            J"orn Rennecke <joern.rennecke@st.com>
            Ulrich Weigand  <uweigand@de.ibm.com>

        PR rtl-opt/24160
        PR target/24621
        * reload1.c (reg_equiv_invariant): New.
        (reload): Allocate, initialize, and free it.
        (calculate_needs_all_insns): Check it when skipping equivalence
        setting insns.
        (alter_reg): Likewise.
        (eliminate_regs_1): Rename from eliminate_regs.  Add new
        may_use_invariant argument; only use reg_equiv_invariant when true.
        (eliminate_regs): New.
        (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
        a context for which may_use_invariant may be true.

2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (const_binop): Don't constant fold the operation
        if the result has overflowed and flag_trapping_math.
        * simplify-rtx.c (simplify_const_binary_operation): Likewise.

2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/unwind-arm.c (abort): Add prototype here.
        (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
        (struct phase1_vrs): Add prev_sp.
        (unwind_phase2_forced): Save the original core registers instead of
        modifying entry_vrs.  Take a new flag argument for resuming unwinding
        and set action flags accordingly.  Always set _US_END_OF_STACK when
        get_eit_entry fails.  Unwind before calling the stop function.
        (_Unwind_GetCFA): New function.
        (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
        (__gnu_Unwind_Resume_or_Rethrow): Likewise.
        (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
        just call unwind_phase2_forced.
        (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
        * config/arm/unwind-arm.h (abort): Remove prototype.
        (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
        prototypes.
        (_Unwind_GetCFA): New prototype.
        * config/arm/pr-support.c (abort): Add prototype here.
        * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
        forced unwinding.
        * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
        not schedule the prologue with non-call exceptions and EABI.

2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>

        * config/arm/unwind-arm.h: Reorder interface function declarations.
        (_URC_END_OF_STACK): New enumeration value.
        (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
        (struct _Unwind_Control_Block): Document reserved field use.
        (_Unwind_Stop_Fn): New typedef.
        (_Unwind_ForcedUnwind): Declare.
        (_Unwind_Resume_or_Rethrow): Declare.
        * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
        argument.  Adjust.
        (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
        * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
        (UCB_FORCED_STOP_ARG): New.
        (search_EIT_table): Update boundary condition checks.
        (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
        (unwind_phase2): Replace for with do..while.
        (unwind_phase2_forced): New.
        (__gnu_Unwind_RaiseException): Replace for with do..while.
        (__gnu_Unwind_ForcedUnwind): New.
        (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
        Use appropriate phase2 unwinder.
        (__gnu_Unwind_Resume_or_Rethrow): New.
        (__gnu_unwind_pr_common): Cope with forced unwinding.

2005-11-16  David Edelsohn  <edelsohn@gnu.org>

        PR target/24772
        * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.

        * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
        roundsf2): Remove "s" from mnemonic.

2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
        __PIC__ is defined.
        * config/bfin/crtn.s: Change epilogues to match.
        * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
        * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
        __PIC__ and __pic__.

2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        PR 24357
        * doc/invoke.texi: Distinguish between free and fixed form instead of
        Fortran and Fortran 90/95.  Remove ratfor from the list of supported
        languages.
        * gcc.c (default_compilers): Remove double entries, add entries for
        suffixes '.F90' and '.F95'.

2005-11-16  Eric Botcazou <ebotcazou@adacore.com>

        * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
        in the stack probing loop.

2005-11-15  David Edelsohn  <edelsohn@gnu.org>

        * configure.ac: Use .machine power5 not power5x.
        * configure: Regenerate.

2005-11-15  Mike Stump  <mrs@apple.com>

        * c-decl.c (lookup_name_two): Add.
        * c-tree.h (lookup_name_two): Likewise.
        * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
        * config/darwin-c.c (darwin_pragma_unused): Likewise.

2005-11-16  Alan Modra  <amodra@bigpond.net.au>

        PR rtl-optimization/23392
        * regrename.c (enum scan_actions) Add mark_access.
        (scan_actions_name): Ditto.
        (scan_rtx_reg): Handle mark_access.
        (scan_rtx_address): Do nothing for mark_access.
        (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
        and regs in REG_INC notes before closing chains for dead regs.
        Mark destination regs in REG_FRAME_RELATED_EXPR notes after
        opening chains for new writes.

2005-11-15  David Edelsohn  <edelsohn@gnu.org>

        * c.opt (ffixed-line-length-none): New.

2005-11-15  Steve Ellcey  <sje@cup.hp.com>

        * mklibgcc.in: Change contents of eh_dummy.c.

2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>

        * loop.c (scan_loop): Do not insert temporaries for hard registers.

2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
        of making syscalls.
        * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.

2005-11-15  Jan Hubicka  <jh@suse.cz>

        * invoke.texi (large-unit-insns): Document.
        * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
        * params.def (large-unit-insns): New param.

2005-11-15  Hans-Peter Nilsson  <hp@axis.com>

        PR target/24869
        * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
        special register for operand 3.  Reindent constraints to align
        them vertically.

2005-11-14  David Edelsohn  <edelsohn@gnu.org>

        * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
        -mpopcntb, -mfprnd. Add -mcpu=power5+.
        * configure.ac: Add test for FP rounding instructions.
        * configure: Regenerate.
        * config.in: Regenerate.
        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
        _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
        features enabled.
        * config/rs6000/rs6000.opt (mfprnd): New.
        * config/rs6000/rs6000.c (processor_target_table): Add power5+.
        (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
        * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
        * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
        (TARGET_FPRND): New.
        * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
        UNSPEC_FRIZ): New.
        (btrunc<mode>2): New.
        (ceil<mode>2): New.
        (floor<mode>2): New.
        (round<mode>2): New.

2005-11-14  Geoffrey Keating  <geoffk@apple.com>

        * gcc.c (version_compare_spec_function): Use fatal() rather than
        abort().

        * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
        (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
        * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
        as empty.
        * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
        link in crt2.o.

        * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
        on -mmacosx-version-min setting.

2005-11-14  Diego Novillo  <dnovillo@redhat.com>

        PR 24840
        * tree-vrp.c (infer_value_range): Return false if STMT is a
        block terminator and its basic block has no successors.

2005-11-14  Mike Stump  <mrs@apple.com>

        * config/i386/i386.c (override_options): -masm=intel isn't
        supported on darwin.
        * doc/invoke.texi (i386 and x86-64 Options): Likewise.

2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>

        * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
        vfork after including auto-host.h.

2005-11-15  Alan Modra  <amodra@bigpond.net.au>

        PR rtl-optimization/22002
        * combine.c (distribute_notes): Detect cases where a reg dies
        two or more times in a bb, including on the insn we are combining,
        and place the death note on the correct range.

2005-11-14  Dale Johannesen  <dalej@apple.com>

        * expmed.c (store_bit_field):  Add offset unconditionally for
        memory targets.
        (extract_bit_field):  Don't force extzv or extv operand into
        a register if field is too big.

2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/arm.c (pic_labelno): New.
        (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
        LABEL_REF.  Pass only the labelno to PIC insns.
        (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
        (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
        * arm.md (UNSPEC_PIC_LABEL): New constant.
        (pic_add_dot_plus_four, pic_add_dot_plus_eight)
        (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
        Use the correct label prefix.

2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
        REQ_EQUIV note.

2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>

        * loop-invariant.c: Include tm_p.h.
        * Makefile.in: Updated.

2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (store_reg): Revise generation of frame notes in large frames.
        (set_reg_plus_d): Likewise.

2005-11-13  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/24709
        * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
        loop check.

2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
        and duplicate declaration of pthread_self.

2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
            Ian Lance Taylor  <ian@airs.com>

        PR middle-end/24003
        * calls.c (expand_call): If TARGET is a MEM and some part of the
        argument area has been saved, force TARGET to a register.

2005-11-13  Razya Ladelsky <razya@il.ibm.com>

        * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
        checking.

2005-11-13  Jason Merrill  <jason@redhat.com>

        PR c++/22489
        * dwarf2out.c (gen_subprogram_die): Force a declaration die for
        lazily declared methods.
        (force_decl_die): Stop if forcing out the context already make a
        DIE for the decl.
        (force_type_die): Likewise.

2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/24820
        * builtins.c (integer_valued_real_p): Add break in
        REAL_CST having TREE_OVERFLOW set.

2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
        addressing modes during calculation of costs.

2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>

        * function.c (assign_stack_local_1): Restrict sanity check
        on frame size overflow to 32-bit and above platforms.

2005-11-12  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
        * config/cris/cris.c: Include reload.h.
        (cris_initial_elimination_offset): New function.
        * config/cris/cris-protos.h: (cris_initial_elimination_offset):
        Prototype.

2005-11-12  Richard Guenther  <rguenther@suse.de>

        * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.

2005-11-12  Jan Hubicka  <jh@suse.cz>

        * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
        to compare against 0 when possible.

2005-11-12  Jie Zhang  <jie.zhang@analog.com>

        * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
        HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
        REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
        * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
        in the new order.

2005-11-12  Hans-Peter Nilsson  <hp@axis.com>

        * recog.c (constrain_operands) <case 'g'>: For a match, require
        that a non-register matches general_operand when strict >= 0.

2005-11-11  Steven Bosscher  <stevenb@suse.de>

        * loop-invariant.c (move_loop_invariants): Fix a thinko in the
        previous checkin.

2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>

        * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
        (memory_address_same): New.
        (dse_optimize_stmt): Call memory_address_same.

2005-11-12  Hans-Peter Nilsson  <hp@axis.com>

        PR middle-end/24750
        * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
        ZERO_EXTEND>: New cases.

2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>

        * longlong.h (__clz_tab): Always provide.

2005-11-11  Steven Bosscher  <stevenb@suse.de>

        PR 24265
        * loop-invariant.c (may_assign_reg_p): Make sure a hard register
        can be assigned to.
        (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
        before check_maybe_invariant.
        (move_invariant_reg): Use gen_move_insn instead of replacing
        SET_DEST with the temporary for the invariant.
        (move_loop_invariants): If checking is enabled, do internal
        consistency checks after completing the pass.

2005-11-11  David Edelsohn  <edelsohn@gnu.org>

        PR 24644
        * common.opt (Wvolatile-register-var): New.
        * varasm.c (make_decl_rtl): Only emit warning when option
        specified.  Clarify warning message.
        * doc/invoke.texi (Wvolatile-register-var): Document new option.

        * doc/md.texi (copysign): Document standard named pattern.

2005-11-11  Jie Zhang  <jie.zhang@analog.com>

        * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
        bytes when align is 2.
        * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
        by the first instruction of the loop.

2005-11-11  Jason Merrill  <jason@redhat.com>

        PR c++/24686
        * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
        the cleanup list.

2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>

        PR rtl-optimization/22509
        * local-alloc.c (memref_used_between_p): Check whether a function call
        could not reference the memref.

2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>

        * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
        algorithm so as to choose the best, not the worst, alternative.
        Reset accumulated register class before processing next alternative.

2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/24445
        * calls.c (expand_call): Copy a return value to a plain register
        if needed.

2005-11-10  Alexandre Oliva  <aoliva@redhat.com>

        PR target/24778
        * varasm.c (assemble_name): Recompute name only for transparent
        aliases.

2005-11-10  Hans-Peter Nilsson  <hp@axis.com>

        * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.

2005-11-04  Jeff Law  <law@redhat.com>

        PR middle-end/23181
        * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
        perform reassociation if the parent statement will not die as
        a result of the optimization.

2005-11-10  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-alias.c (compute_may_aliases): Remove call to
        delete_old_heap_vars.
        * tree-dfa.c (referenced_var_remove): Remove function.
        * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
        (delete_tree_ssa): Remove call to delete_old_heapvars.
        Add call to delete_alias_heapvars.
        * tree-flow.h (referenced_var_remove): Remove prototype
        (init_alias_heapvars): New prototype.
        (delete_alias_heapvars): Ditto.
        * Makefile.in (tree-ssa-structalias.o): Add
        gt-tree-ssa-structalias.o
        (GTFILES): Add tree-ssa-structalias.h and
        tree-ssa-structalias.c.
        (s-gtype): Add gt-tree-ssa-structalias.h.
        * tree-ssa-structalias.c (heapvars): Remove.
        (oldheapvars): Remove.
        (heapvar_for_stmt): New variable.
        (heapvar_lookup): New function.
        (heapvar_insert): Ditto.
        (get_constraint_for): See if we have an old heapvar
        to reuse.
        (init_alias_heapvars): New function.
        (delete_alias_heapvars): Ditto.
        Add include of gt-tree-ssa-structalias.h.

2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/22127
        * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.

2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (int_fits_type_p): Only look at the base type
        if it has the same precision as the original type.

2005-11-10  Jakub Jelinek  <jakub@redhat.com>

        PR other/4372
        * varasm.c (assemble_alias): Use %q+D in the error
        message instead of %J and %qD.

2005-11-10  Richard Guenther  <rguenther@suse.de>

        * gcse.c (free_ldst_entry): Only free hashtable if
        it exists.

2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>

        * function.c (assign_stack_local_1): Issue an error message if
        the frame size overflows in the signed target arithmetics.

2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (build_qualified_type): Chain the new type to the original
        type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
        a POINTER_TYPE or a REFERENCE_TYPE respectively.
        (build_pointer_type_for_mode): Only return unqualified types.
        (build_reference_type_for_mode): Likewise.

2005-11-09  Jakub Jelinek  <jakub@redhat.com>

        * Makefile.in (gnucompare): Do comparison of all files using one of
        the chosen methods and only afterwards decide if just warning should
        be issued or comparison failure raised.

2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>

        * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
        (noce_try_abs): Negate if the comparison is reversed.
        Look only one instruction backwards for a REG_EQUAL note.

2005-11-09  Alexandre Oliva  <aoliva@redhat.com>

        PR other/4372
        * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
        gthr-tpf.h: Define __gthrw.  For all identifiers that might
        be weak, introduce weakrefs or non-weak aliases with __gthrw,
        and prefix all uses with __ghtrw.

2005-11-09  Alexandre Oliva  <aoliva@redhat.com>

        PR other/4372
        * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
        (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
        * c-common.c (handle_weakref_attribute): New.
        (c_common_attribute_table): Add weakref.
        * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
        in the assembler.
        * configure, config.in: Rebuilt.
        * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
        * doc/extend.texi: Document weakref attribute.
        * varasm.c (ultimate_transparent_alias_target): New
        (assemble_name): Use it.
        (weak_finish_1): Split out of...
        (weak_finish): ... and deal with weakrefs in...
        (weakref_targets): ... new list.
        (globalize_decl): Clean up weakref_targets.
        (do_assemble_alias): Handle weakrefs.
        (finish_aliases_1): Do not reject weakrefs to external symbols.
        (assemble_alias): Handle weakrefs.

2005-11-09  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/24716
        * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
        t_bool to track results from follow_ssa_edge.

2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>

        * final.c (force_source_line): New global variable.
        (final_scan_insn): Set it to true instead of clearing last_filename.
        (notice_source_line): Return true if force_source_line is true,
        unless source info is absent.

2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/24644
        * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
        a linkage name for a variable if it a register variable.
        * c-decl.c (grokdeclarator): Global register variables
        should be set as PUBLIC.

2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>

        PR 24624
        * config/s390/s390.c (struct s390_frame_layout): New fields
        first_save_gpr_slot and last_save_gpr_slot.
        (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
        s390_emit_epilogue, s390_initial_elimination_offset): Replaced
        first_save_gpr and last_save_gpr with the _slot variants.
        (s390_register_info): Calculate first_save_gpr_slot and
        last_save_gpr_slot using regs_ever_live.

2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>

        PR 24623
        * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
        for a function containing a landing pad.

2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>

        PR 24034
        * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
        is live afterwards.

2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
        MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.

2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>

        Add ms2 support
        * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
        constants.
        (call,load,store): New insn types.
        (mem_access, branch_access): Adjust reservation conditions.
        (define_delay): Adjust condition.
        (decrement_and_branch_until_zero): Allow for ms2.  Set branch
        type.
        (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
        (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
        insn type.
        (call_internal, call_value_internal, return_internal,
        return_interrupt_internal, eh_return_internal, indirect_jump,
        tablejump): Set call insn type.
        (blockage, ei, di): Use appropriate unspec const.
        * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
        (ms1_get_attr_type): Adjust to give load & store types.
        (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
        backwards past a barrier.
        (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
        branch scheduling.
        (struct branch_info, struct label_info): New.
        (ms1_labels): New.
        (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
        (ms1_machine_reorg): New.
        (TARGET_MACHINE_DEPENDENT_REORG): Override.
        * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
        * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
        (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
        (TARGET_MS2): New.

2005-11-09  Per Bothner  <per@bothner.com>
            Uros Bizjak  <uros@kss-loka.si>

        PR c/24101
        * toplev.c (process_options): Initialize debug_hooks early
        in case lang_hooks.post_options ends up calling a debug_hook.

2005-11-08  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
        DBX_REGISTER_NUMBER being contiguous.

2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
            Diego Novillo  <dnovillo@redhat.com>

        PR 23046
        * tree-vrp.c (register_edge_assert_for): Do not register
        always-false predicates.

2005-11-08  Devang Patel <dpatel@apple.com>

        PR tree-optimization/23115
        * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
        relation.

2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>

        * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
        -mcpu=440.

2005-11-08  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/23382

        * tree-ssa-alias.c (compute_may_aliases): Call
        delete_old_heap_vars.
        * tree-dfa.c (referenced_var_remove): New function.
        * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
        * tree-flow.h (referenced_var_remove): Add prototype.
        (delete_old_heap_vars): Ditto.
        * tree-ssa-structalias.c (heapvars): New variable.
        (oldheapvars): Ditto.
        (get_constraint_for): Put heap vars on heapvars list.
        (delete_old_heap_vars): New function.

2005-11-08  Jason Merrill  <jason@redhat.com>

        * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.

2005-11-08  Uros Bizjak  <uros@kss-loka.si>

        PR target/19340
        * reg-stack.c (reg_to_stack): Update register liveness also
        for flag_sched2_use_traces.

2005-11-08  Alan Modra  <amodra@bigpond.net.au>

        PR target/23704
        * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
        override prior explicit -mno-powerpc-gfxopt.

2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>

        * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
        if the bitsize is zero.
        * doc/md.texi (Standard Pattern Names): Document it.

        * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
        (TARGET_PASS_BY_REFERENCE): Likewise.

2005-11-07  Ian Lance Taylor  <ian@airs.com>

        PR rtl-optimization/24683
        * config/i386/i386.c (legitimize_pic_address): If constant operand
        to PLUS is too large, put it in a register.

2005-11-07  Jie Zhang  <jie.zhang@analog.com>

        * configure.ac: Enable checking assembler dwarf2 support for bfin
        target.
        * configure: Regenerate.

2005-11-07  Paolo Bonzini  <bonzini@gnu.org>

        PR target/24230

        * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
        gen_easy_vector_constant_add_self): Delete.
        (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
        New.
        (output_vec_const_move): Use gen_easy_altivec_constant.
        (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
        * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
        (easy_vector_constant_add_self): Rewritten.
        * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
        easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
        (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
        * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
        Macroize and adjust for the other changes.

2005-11-07  Paolo Bonzini  <bonzini@gnu.org>

        PR c/24599

        * c-typeck.c (build_c_cast): Try using a shared constant, and see
        if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.

2005-11-07  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/23567
        * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
        (noce_process_if_block): Don't do any optimizations except
        if (cond) x = x; if !set_b and write into orig_x may trap
        or fault.  Remove the MEM_READONLY_P check.

2005-11-06  Diego Novillo  <dnovillo@redhat.com>

        PR 24670
        * tree-vrp.c (fix_equivalence_set): New.
        (extract_range_from_assert): Call it.

2005-11-05  Ian Lance Taylor  <ian@airs.com>

        PR target/22432
        * combine.c (apply_distributive_law): Don't distribute across a
        vector mode subreg.

2005-11-05  Kazu Hirata  <kazu@codesourcery.com>

        * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
        config/ms1/ms1.h, config/rs6000/predicates.md,
        config/s390/s390.c, params.def, postreload-gcse.c,
        tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
        tree-vrp.c, tree.c: Fix comment typos.
        * doc/invoke.texi: Fix typos.

2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>

        * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
        for testing whether the data_dependence_relation contains distance
        vectors.  Iterate over all distance vectors of the ddr.
        * lambda.h: Define a vec of lambda_vector pointers.
        * tree-data-ref.c (dump_data_dependence_relation,
        dump_data_dependence_direction): Iterate over all distance and
        direction vectors of the ddr.
        (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
        DDR_DIST_VECTS.
        (build_classic_dist_vector, build_classic_dir_vector): Push a set
        of distance/direction vectors instead of a single one.
        * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
        lambda_vectors with a vec of lambda_vectors.
        (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
        (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
        DDR_NUM_DIST_VECTS): New.
        * tree-loop-linear.c (gather_interchange_stats): Test for the
        existence of distance vectors only after having checked that there
        is a dependence.  Iterate over all distance vectors of the ddr.
        (linear_transform_loops): Use dump_data_dependence_relation.
        * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
        distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
        distance vectors of the ddr.

2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
        expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
        IS_INTHANDLER; all callers changed.
        (n_regs_saved_by_prologue): Take interrupt handler attributes into
        account.
        (do_link, do_unlink): New argument ALL; all callers changed.
        (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
        If function isn't leaf, save and restore all registers.
        (bfin_function_ok_for_sibcall): Only true if not an interrupt or
        exception handler.

2005-11-05  Jan Hubicka  <jh@suse.cz>

        PR rtl-optimization/23490
        * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
        max-flow-memory-location): Document.
        * flow.c: Include params.h
        (MAX_MEM_SET_LIST_LEN): Kill.
        (add_to_mem_set_list): Use new param.
        * cse.c (cse_basic_block): Replace 1000 by new param.
        * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
        PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
        * predict.c (predict_loops): Use new param.
        * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.

        * ipa-inline.c (cgraph_decide_inlining_of_small_function,
        cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
        Do not hold memory returned by cgraph_node_name across other call.

2005-11-04  Hans-Peter Nilsson  <hp@axis.com>

        PR target/23424
        * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
        Disable.

2005-11-04  Jeff Law  <law@redhat.com>

        PR/21883
        * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
        * tree-ssa-dom.c: Include params.h.
        (thread_across_edge): If there are too many statements in the
        target block, then do not thread through it.
        * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
        * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.

2005-11-03  Diego Novillo  <dnovillo@redhat.com>

        PR 24627
        * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
        TODO_update_ssa instead of TODO_update_ssa_no_phi.

2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>

        PR/18595
        * tree-scalar-evolution.c (instantiate_parameters_1,
        instantiate_parameters, resolve_mixers): Compute the size of an
        expression to be instantiated and give up the instantiation if the
        size exceeds PARAM_SCEV_MAX_EXPR_SIZE.

2005-11-04  Richard Guenther  <rguenther@suse.de>

        * tree-flow.h (ref_contains_indirect_ref): Rename to
        array_ref_contains_indirect_ref.
        * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
        (array_ref_contains_indirect_ref): Make comment match the code
        and vice-versa.
        (ref_contains_array_ref): Likewise.
        * tree-ssa-structalias.c (find_func_aliases): Remove call to
        ref_contains_indirect_ref.
        * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
        Rename calls to ref_contains_indirect_ref.

2005-11-04 Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
        gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
        (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
        * config/arm/arm.md: Use match_operand in peephole input templates
        and match_dup in peephole output templates.

2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
        __aeabi_uidiv.

2005-11-04  Mark Mitchell  <mark@codesourcery.com>
            Daniel Jacobowitz  <dan@codesourcery.com>

        * longlong.h (add_ssaaaa): Clobber condition code register
        in ARM version.
        (sub_ddmmss): Likewise.
        (umul_ppmm): Likewise.

2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
            Paul Brook  <paul@codesourcery.com>
            Phil Blundell  <pb@reciva.com>

        * configure.ac: Add test for ARM TLS support.
        * configure: Regenerated.
        * config/arm/arm-protos.h (legitimize_tls_address)
        (arm_tls_referenced_p, tls_mentioned_p)
        (arm_output_addr_const_extra): New prototypes.
        (thumb_legitimize_pic_address): Delete.
        * config/arm/arm.c: Include "gt-arm.h".
        (enum tls_reloc): New.
        (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
        (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
        (arm_call_tls_get_addr, legitimize_tls_address)
        (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
        (arm_init_tls_builtins, arm_emit_tls_decoration)
        (arm_output_addr_const_extra): New functions.
        (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
        (TARGET_HAVE_TLS): Define.
        (target_thread_pointer): New.
        (arm_override_options): Handle -mtp=.
        (legitimize_pic_address): Ignore UNSPECs.
        (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
        relative symbols.
        (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
        (tls_get_addr_libfunc): New variable.
        (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
        (arm_init_builtins): Call arm_init_tls_builtins.
        (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
        (arm_encode_section_info): Call default_encode_section_info.
        * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
        (enum arm_tp_type): New.
        (target_thread_pointer): Add declaration.
        (LEGITIMATE_CONSTANT_P): Handle TLS.
        (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
        (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
        (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
        * config/arm/arm.md: Add UNSPEC_TLS.
        (movsi): Handle TLS.
        (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
        non-PIC.
        (tls_load_dot_plus_eight): New insn and a peephole to create it.
        (load_tp_hard, load_tp_soft): New insns.
        * arm.opt: Add -mtp=.
        * doc/invoke.texi (ARM Options): Document -mtp.

2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/lib1funcs.asm: Don't include "libunwind.S".
        * config/arm/libunwind.S: Include "lib1funcs.asm".
        * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
        (LIB2ADDEH): Add libunwind.S.
        (LIB2ADDEHDEP): Add lib1funcs.asm.
        * mklibgcc.in: Handle asm files in libgcc_eh.a.

2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR fortran/18452
        * gcc/c.opt: Add a -lang-fortran option.
        * gcc/c-opts.c: Add a lang_fortran flag.
        (c_common_init_options): Handling the -lang-fortran option.
        (c_common_handle_option): Add a case for Fortran options in
        preprocessing. Remove cases for -ffixed-form and
        -ffixed-line-length. Add a case for -lang-fortran.

2005-11-03  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c: Include params.h
        (optimization_options): Set max-grow-copy-bb-insns default to 16.
        (bdesc_2arg): Delete vpkuhss and vpkuwss.
        * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
        (UNSPEC_VPKUWSS): Delete.
        (altivec_vpkuhss): Delete.
        (altivec_vpkuwss): Delete.
        * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
        final condition.
        (neg_eq0<mode>): Remove final condition.
        (neg_eq<mode>): Remove condition and split-condition.

2005-11-04  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
        Use associated print macros.

2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>

        PR c++/17964
        * diagnostic.c (diagnostic_set_info_translated): New function.
        (diagnostic_set_info): Use it.  Add comment.
        * diagnostic.h (diagnostic_set_info_translated): Declare.

2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>

        * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
        On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
        reference only if 'public' is true.
        (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
        emit the .hidden directive only if the indirect reference is public.
        (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
        Pass it to dw2_force_const_mem.
        * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
        * dwarf2out.c (output_cfi): Adjust calls to above function.
        (output_call_frame_info): Likewise.
        * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
        as 'public' argument to dw2_asm_output_encoded_addr_rtx.

2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/24483
        * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
        field to elts if possible.

2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/23155
        * gimplifier.c (gimplify_expr): Create a temporary for lvalue
        CONSTRUCTOR.

2005-11-03  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/24351

        * tree-ssa-structalias.c (struct variable_info): Add
        collapsed_into.
        (get_varinfo_fc): New function to follow collapsing.
        (new_var_info): Set collapsed_to to NULL.
        (dump_constraint): Follow collapsing.
        (build_constraint_graph): Handle collapsing.
        (do_simple_structure_copy): Return false if something bad
        happened.
        (collapse_rest_of_var): New function.
        (do_structure_copy): Collapse if do_simple_structure_copy returns
        false.

2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/24589
        * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
        expressions to a statement list instead of gimplifying them.

2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/23585
        * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
        that can't trap plus a constant integer, if the mode has zero size.

2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>

        PR target/24620
        * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
        as operand 2.
        ("*insv<mode>_reg_extimm"): Likewise.

2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/24329
        * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
        c_common_type_for_mode returns an unnamed type.

2005-11-02  Richard Henderson  <rth@redhat.com>

        PR target/9350
        PR target/24374
        * dwarf2out.c (dwarf2out_reg_save_reg): New.
        (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
        * function.c (assign_parms): Use calls.internal_arg_pointer.
        (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
        code.
        * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
        (TARGET_CALLS): Add it.
        * target.h (struct gcc_target): Add calls.internal_arg_pointer.
        * targhooks.c (default_internal_arg_pointer): New.
        * targhooks.h (default_internal_arg_pointer): Declare.
        * tree.h (dwarf2out_reg_save_reg): Declare.
        * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
        * config/i386/i386.c (dbx_register_map): Add return column.
        (dbx64_register_map, svr4_dbx_register_map): Likewise.
        (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
        (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
        (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
        (ix86_save_reg): Save force_align_arg_pointer.
        (ix86_emit_save_regs): Make regno unsigned.
        (ix86_emit_save_regs_using_mov): Likewise.
        (ix86_expand_prologue): Handle force_align_arg_pointer.
        (ix86_expand_epilogue): Likewise.
        * config/i386/i386.h: (dbx_register_map): Update.
        (dbx64_register_map, svr4_dbx_register_map): Update.
        (struct machine_function): Add force_align_arg_pointer.
        * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
        (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
        (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.

2005-11-02  Jan Hubicka  <jh@suse.cz>

        PR target/23303
        * i386.md: Add peep2 for simplyfing array accesses.

2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>

        PR target/24615
        * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
        * config/s390/s390.c (s390_decompose_shift_count): New function.
        (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
        (print_shift_count_operand): Use s390_decompose_shift_count.
        * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
        Use s390_decompose_shift_count.  Do not accept any non-base hard regs.

2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>

        PR target/24600
        * loop.c (loop_givs_rescan): Use force_operand to expand
        complex GIVs.

2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>

        PR 22429
        * fold-const.c (build_range_check): Use unsigned when signed
        overflow is undefined also.  If etype is subtype, make sure that
        the subtraction is in the supertype.

2005-11-02  Richard Henderson  <rth@redhat.com>

        PR target/24178
        * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
        by MEM_ALIGN.

2005-11-01  Richard Henderson  <rth@redhat.com>

        PR 21518
        * loop.c (scan_loop): Do not propagate computations to a hard
        register destination with SMALL_REGISTER_CLASSES.

2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>

        * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
        costs for MULT inside PLUS or MINUS.

2005-11-01  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
        (TRAMPOLINE_SIZE): Round up to 60.
        * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.

2005-10-31  James E. Wilson  <wilson@specifix.com>

        PR debug/24444
        * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
        ifdef.  Put ifdefs around call in gen_subprogram_die.
        (compute_frame_pointer_to_cfa_displacement): Likewise.
        (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
        not defined.

        PR rtl-optimization/17356
        *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
        add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.

2005-10-31  Jan Hubicka  <jh@suse.cz>

        PR middle-end/24093
        * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative

        PR target/20928
        * i386.c (legitimize_pic_address): Deal with large immediates.

        PR profile/20815
        * coverage.c (coverage_checksum_string): Fix code to stip random seeds
        from symbol names while computing checkup.

        PR profile/24487
        * predict.c (predict_loops): Do not estimate more than
        MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
        * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.

2005-10-31  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/19097
        * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.

2005-10-31  J"orn Rennecke <joern.rennecke@st.com>

        * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.

2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/23492
        * tree-inline.c (setup_one_parameter): If the init_stmt
        is NULL, don't insert the statement.

2005-10-30  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/24172
        * tree-inline.c (copy_body_r): Unshare the substituted value first.

2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
        constants for hosts with long != 32 bits.

2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>

        PR middle-end/24093
        * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.

2005-10-28  Aldy Hernandez  <aldyh@redhat.com>

        * config/ms1/ms1.h (TARGET_MS1_64_001): New.
        (TARGET_MS1_16_002): New.
        (TARGET_MS1_16_003): New.

        * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
        ("*decrement_and_branch_until_zero_no_clobber"): New.
        Add corresponding splitter for decrement_and_branch_until_zero
        instruction.
        Key all decrement_and_branch_until_zero patterns off of
        TARGET_MS1_16_003.

2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/24362
        * tree-complex.c (extract_component): Treat RESULT_DECL
        like the rest of the decls.

2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>

        * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
        indirect call to _mcount if the function needs a static chain.

2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
            Caroline Tice  <ctice@apple.com>

        PR rtl-optimization/24460
        * dwarf2out.c (have_switched_text_sections): New boolean variable.
        (dwarf2out_switch_text_section): Set it to true instead of
        incrementing separate_line_info_table_in_use.
        (output_loc_list): Additionally test have_switched_text_sections.
        (output_ranges): Likewise.
        (dwarf2out_finish): Likewise.
        * varasm.c (assemble_start_function): Do not call
        insert_section_boundary_note.
        (assemble_end_function): If flag_reorder_blocks_and_partition,
        switch to the function's section before emitting the .size directive.
        * bb-reorder.c (insert_section_boundary_note): Staticify.
        (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
        * output.h (insert_section_boundary_note): Delete.

2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/23103
        * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
        instead of pointer equality when comparing types.

2005-10-24  James E. Wilson  <wilson@specifix.com>

        * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
        add_dependence_list_and_free calls.

2005-10-24  Steven Bosscher  <stevenb@suse.de>

        * contrib.texi: Add the names of the LLNL folks who donated
        Cray pointer support for gfortran.

2005-10-24  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/24225
        * profile.c (branch_prob): Look from end to start through a
        basic block when looking for a locus.

2005-10-24  Richard Henderson  <rth@redhat.com>

        * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
        parallel.
        (hppa_expand_prologue): Likewise.

2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
        (NO_DEFERRED_PROFILE_COUNTERS): Define.
        * pa.h (NO_PROFILE_COUNTERS): Define.
        * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
        (funcdef_nos): New vector to hold label numbers of deferred profile
        counters.
        (output_deferred_profile_counters): New function.
        (hppa_profile_hook): Push label number onto funcdef_nos.
        (pa_hpux_file_end): Call output_deferred_profile_counters if
        NO_DEFERRED_PROFILE_COUNTERS is false.

        * pa-protos.h (get_deferred_plabel): New prototype.
        * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
        Make global.
        (output_call): Adjust calls.

2005-10-24  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
        peculiarity of GOT/TOC section usage.

2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>

        PR objc/24435
         * c-common.c (constant_string_class_name): Add documentation.

2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/23832
        * recog.c (peephole2_optimize): Increment peep2_current_count
        only when the slot is empty.

2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR ada/23957
        * except.c (output_function_exception_table): Call
        assemble_external_libcall if we need a personality function.

2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/24460
        * bb-reorder.c (fix_crossing_unconditional_branches): Do not
        set the basic block for barriers.

2005-10-21  Janis Johnson  <janis187@us.ibm.com>

        * var-tracking.c (vt_initialize): Initialize post.

2005-10-21  Devang Patel  <dpatel@apple.com>

        PR/24220
        * c-common.c (vector_types_convertible_p): Check vector element type.

2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (prepare_move_operands): Handle the address
        constant which is a tls symbolic address plus a constant.

2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>

        PR driver/24473
        * gcc.c (main): Use the correct counter for erroring out
        about mulitple files.

2005-10-21  Alan Modra  <amodra@bigpond.net.au>

        PR target/24465
        * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
        use r2 for 64-bit tls .got access.

2005-10-21  Paolo Bonzini  <bonzini@gnu.org>

        * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
        TRUTH_OR_EXPR.

2005-10-20  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/24307
        * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.

2005-10-20  Alexandre Oliva  <aoliva@redhat.com>

        PR middle-end/24295
        * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
        alias targets.
        * varasm.c (find_decl_and_mark_needed): After cgraph global info
        is ready, stop marking functions, but still mark variables.

2005-10-20  Richard Guenther  <rguenther@suse.de>

        PR c++/24439
        * fold-const.c (invert_truthvalue): Handle COND_EXPR with
        void type operands.

2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/23585
        * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
        (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
        (may_trap_p_1): New predicate extracted from...
        (may_trap_p): ... here.  Invoke may_trap_p_1.
        (may_trap_or_fault_p): New predicate.
        * rtl.h (may_trap_or_fault_p): Declare it.
        * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
        instead of may_trap_p.
        (steal_delay_list_from_fallthrough): Likewise.
        (fill_simple_delay_slots): Likewise.
        (fill_slots_from_thread): Likewise.
        * function.c (pad_to_arg_alignment): Rework comment about
        SPARC_STACK_BOUNDARY_HACK.
        * config/sparc/sparc.h: Likewise.

2005-10-19  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.c (s390_expand_insv): New.
        * config/s390/s390-protos.h (s390_expand_insv): Declare.
        * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
        ("icm_hi"): Remove mode attribute.
        ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
        Adjust all uses.
        ("*extracthi", "*extractqi"): Remove.
        (extv<mode>", "*extzv<mode>"): New.
        ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
        "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.

2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * cfgexpand.c (discover_nonconstant_array_refs_r,
        discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
        (tree_expand_cfg): Call discover_nonconstant_array_refs.
        * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
        discover_nonconstant_array_refs.

2005-10-19  Steven Bosscher  <stevenb@suse.de>

        PR c/23228
        * c-decl.c (pop_scope): Don't warn about an unused variable
        if it is marked with TREE_NO_WARNING.
        (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
        somenow mismatch and olddecl is to be replaced.

2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/23199
        * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
        whether registers live on the edge can be saved/restored.

2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (fixup_mova): Skip notes.

2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
        * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
        (s390_can_eliminate): Handle BASE_REGNUM elimination.
        (s390_initial_elimination_offset): Likewise.
        (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
        register on TARGET_ZARCH targets.
        * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
        (INITIAL_FRAME_POINTER_OFFSET): Remove.
        (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
        (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.

2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.md: Comment describing output modifiers updated.
        * config/s390/s390.c (print_operand): Likewise.

2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (override_options): Added check for -mstack-size
        64k limitation.
        * doc/invoke.texi: Mention that limit in the documenation.

2005-10-18  Paolo Bonzini  <bonzini@gnu.org>

        PR #19672
        * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.

2005-10-18  Daniel Berlin <dberlin@dberlin.org>

        Fix PR tree-optimization/24231

        * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
        (compute_avail): Ditto.

2005-10-18  Richard Henderson  <rth@redhat.com>

        PR target/24428
        * config/i386/i386.c (legitimate_constant_p): Check
        SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
        if LABEL_REF.
        (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
        (legitimate_pic_address_disp_p): Reorg CONST checking to make
        sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
        directly.
        (print_operand_address): Likewise.
        * config/i386/predicates.md (x86_64_immediate_operand): Test
        SYMBOL_REF_TLS_MODEL properly inside CONST.
        (x86_64_zext_immediate_operand): Likewise.
        (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
        initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
        * config/i386/i386-protos.h: Remove predicates.md entries.

2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
        Check that elements of TYPE_METHODS are FUNCTION_DECLs.

2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
            Ian Lance Taylor <ian@airs.com>

        PR middle-end/23522
        * fold-const.c (fold_widened_comparison): Do not allow range based
        constant folding when right operand cannot be unwidened.

2005-10-17  Richard Henderson  <rth@redhat.com>

        * builtins.c (expand_builtin_synchronize): Build a new-style asm
        with a memory clobber.

2005-10-17  James E Wilson  <wilson@specifix.com>

        PR rtl-optimization/17356
        * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
        checking for EDGE_EH.

2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
        the slot on an even boundary for any type with 16-byte alignment.

2005-10-17  Hans-Peter Nilsson  <hp@axis.com>

        PR target/23424
        * md.texi (Modifiers) <%>: Clarify that % doesn't work
        after register allocation.

2005-10-17  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
        as frame related.

2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>

        PR c++/22551
        * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
        overflow flags.

2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
        to 2 if it's already non-zero.
        (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
        is set and warn about it if flag_schedule_insns is 1.

2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>

        * config/crx/crx.md: Compare-and-branch instructions need to
        invalidate CC.

2005-10-17  Uros Bizjak  <uros@kss-loka.si>

        PR target/24315
        * config/i386/i386.md (*pushdi2_rex64 splitter)
        (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
        (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
        flow2 pass only when (optimize > 0 && flag_peephole2).

2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>

        PR driver/22544
        * gcc.c (have_c): New static variable.
        (have_o): Likewise.
        (process_command): Remove declation of have_c.
        Set have_o to 1 when handling -o.
        (main): Add a fatel error if there are multiple
        files specified and -o and -c/-S is passed witout
        -combine or multiple languages.

2005-10-16  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22444
        * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
        Assert that we don't hit something with subvars.
        (setup_pointers_and_addressables): Don't add things with subvars,
        because we'll already process the subvars for aliasing purposes.

2005-10-16  Hans-Peter Nilsson  <hp@axis.com>

        PR target/23424
        * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
        ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
        ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
        ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
        ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
        swapped, alternatives for the R constraint.

        PR middle-end/24341
        * builtins.c (get_builtin_sync_mode): Make unlimited
        mode_for_size request.

2005-10-15  Richard Henderson  <rth@redhat.com>

        * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
        (gimplify_expr): ... here.
        (gimplify_compound_lval): Use it in initial scan loop.  Allow
        fb_lvalue in base expression.

2005-10-15  Richard Henderson  <rth@redhat.com>

        PR 23714
        * builtins.c (expand_builtin_trap): Export.
        * expr.h (expand_builtin_trap): Declare.
        * expr.c (expand_assignment): Emit a trap for integral offsets
        from registers that weren't reduced to bitpos.

        * tree-cfg.c (mark_array_ref_addressable_1): Remove.
        (mark_array_ref_addressable): Remove.
        * tree-flow.h (mark_array_ref_addressable): Remove.
        * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.

2005-10-15  James E Wilson  <wilson@specifix.com>

        PR target/24232
        * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
        (add_dependence_list_and_free): Likewise.
        (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
        call.

2005-10-15  Diego Novillo  <dnovillo@redhat.com>

        PR 23141
        PR 23142
        * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
        sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
        anti-range.
        (vrp_visit_phi_node): Only prevent infinite iterations when
        the previous result and the new result are both VR_RANGEs.

2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>

        * tree-into-ssa.c (mark_def_sites): Correct minor typo in
        function comment.

2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR c/23439
        * c-parser.c (c_parser_for_statement): Use location of RID_FOR
        to initialize loc.

2005-10-14  Per Bothner  <per@bothner.com>

        PR preprocessor/21250
        * c-ppoutput.c (print_line): Print internal line 0 as 1.

2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>

        PR c++/22551
        * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
        overflow flags.  Refactor some conditionals.

2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/21304
        * tree-dfa.c (add_referenced_var): Only look at decls which
        have TREE_CONSTANT or TREE_READONLY set instead of if
        !TREE_PUBLIC or !TREE_CONSTANT.

2005-10-13  James E Wilson  <wilson@specifix.com>

        * doc/invoke.texi: For -x, add f95-cpp-input.
        * doc/install.texi: For --enable-languages doc, change f95 to fortran.

2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>

        PR tree-optimization/24262
        * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
        in loop all the time.

2005-10-12  Richard Henderson  <rth@redhat.com>

        PR c/24255
        * tree.h (DECL_TRANSPARENT_UNION): Remove.
        * function.c (assign_parm_find_data_types): Don't support it.
        * print-tree.c (print_node): Likewise.
        * c-common.c (handle_transparent_union_attribute): Likewise.
        Use build_duplicate_type.
        * tree-inline.c (remap_type_1): Split out of remap_type;
        properly remap aggregate fields.
        (build_duplicate_type): New.
        * doc/extend.texi (Variable Attributes): Remove documentation
        for transparent_union.

2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/24284
        * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
        (gen_stack_pointer_dec): Likewise.

2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>

        PR middle-end/21275
        PR middle-end/21766
        * target.h (struct gcc_target): Add valid_dllimport_attribute_p
        target hook.
        (struct cxx): Add adjust_class_at_definition target hook.
        * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
        defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
        (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
        hook_void_tree. Add to TARGET_CXX.
        * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
        dllimport_flag.
        (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
        * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
        instead of attribute. Check for dllexport override.  Warn if
        inconsistent dll linkage. Don't lose old dllimport if decl has
        had address referenced.   Tweak lookup of dllimport atribute.
        (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
        for target specific rules.  Don't add dllimport attribute if
        DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
        dllimport attribute.
        (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
        * varasm.c (initializer_constant_valid_p): Replace
        DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P

        PR target/21801
        PR target/23589
        * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
        'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
        (i[34567]86-*-mingw32*): Likewise.

        * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
        (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.

        * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
        C++-specific code. Change return value to bool.
        (i386_pe_dllimport_p): Likewise.
        (associated_type): Simplify and make language-independent
        (i386_pe_encode_section_info): Replace override of ambiguous
        dllimport symbol refs with a gcc_assert.
        (i386_pe_valid_dllimport_attribute_p): Define.
        * config/i386/winnt-cxx.c: New file. Define C++ versions of
        i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
        i386_pe_adjust_class_at_definition.
        * config/i386/winnt-stubs.c: New file. Define stub versions of
        lang-specific functions.
        * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
        i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
        i386_pe_adjust_class_at_definition.
        (i386_pe_valid_dllimport_attribute_p): Declare.
        * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
        (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
        * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.

        PR target/19704
        * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
        dllimport attribute with test of DECL_DLLIMPORT_P.

2005-10-12  Adrian Straetling <straetling@de.ibm.com>

        * combine.c (make_extraction): Correct offset computation.

2005-10-12  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/t-linux (LIMITS_H_TEST): Define.

2005-10-12  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/23324
        * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.

2005-10-12  Richard Guenther  <rguenther@suse.de>

        * Makefile.in (CGRAPH_H): Depend on $(TREE_H).

2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>

        PR c++/19964
        * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
        DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
        type.

2005-10-12  Richard Guenther  <rguenther@suse.de>

        PR c++/23799
        * varasm.c (output_constant): Correct typo from previous
        patch by DJ.

2005-10-11  Ian Lance Taylor  <ian@airs.com>

        PR rtl-optimization/13931
        * combine.c: Revert patch of 2003-05-14, and:
        (try_combine): Only set elim_i1 and elim_i2 if the destination is
        completely killed in the appropriate insn.
        (distribute_notes): Don't skip multiple hard register test for
        elim_i1 and elim_i2.

2005-10-11  Richard Henderson  <rth@redhat.com>

        PR c/24255
        * c-typeck.c (convert_for_assignment): Use build_constructor_single
        to initialize a transparent union instead of a nop_expr.

2005-10-11  Richard Henderson  <rth@redhat.com>

        * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
        * tree-ssa-dce.c: Include tree-scalar-evolution.h.
        (tree_ssa_dce_loop): Call scev_reset.

        PR tree-opt/24300
        * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
        * tree-ssa-dce.c: Include cfgloop.h.
        (tree_ssa_dce_loop, pass_dce_loop): New.
        * tree-pass.h (pass_dce_loop): Declare it.
        * passes.c (init_optimization_passes): Use it.

2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/24263
        * convert.c (convert_to_real): Revert 2005-10-05 patch.
        Only apply the optimization for rounding builtins if the inner
        cast is also an extension.

2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/23946
        * tree-ssa-ccp.c (execute_fold_all_builtins): Call
        mark_new_vars_to_rename instead of update_stmt.

2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.

2005-10-11  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
        for setting MMX register to 0 rather than mmx.

2005-10-10  Steve Ellcey  <sje@cup.hp.com>

        PR target/12098
        * configure.ac: Move gas check from mips specific case to common case.
        Do check for GNU as for mips*-*-* and *-*-hpux* targets.
        * configure: Regenerate
        * doc/install.texi: Update.

2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/24284
        * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.

2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>

        * gcc.c (do_spec_1): Accept numeric characters in file name
        suffixes.

2005-10-10  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
        describing the deleted arm_gen_rotated_half_load function.

2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
        __fpscr_values.

2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>

        * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
        gnu_ld assignments.
        * config/arm/t-linux-eabi (LIB1ASMFUNCS)
        (EXTRA_MULTILIB_PARTS): Define.
        * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
        (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
        (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
        * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
        (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
        (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.

2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/24226
        * tree-cfg.c (remove_bb): Clean up unreachable loops.
        * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
        * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
        Export.

2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.

2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/24136
        * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
        Rewrite for no need for the early clobber.

2005-10-08  Kazu Hirata  <kazu@codesourcery.com>

        Merge from csl-arm-branch:
        2005-09-07  Paul Brook  <paul@codesourcery.com>
        * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
        space to string.

        2005-04-30  Paul Brook  <paul@codesourcery.com>
        * config/arm/bpabi.h (TARGET_DEFAULT): Define.
        * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.

        2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
        * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
        (arm_override_options): Use TARGET_AAPCS_BASED.
        * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
        (PTRDIFF_TYPE): Use int for AAPCS.
        (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
        * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
        (DEFAULT_SHORT_ENUMS): Delete.
        * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.

        2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
        * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
        * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
        * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.

        2004-12-03  Mark Mitchell  <mark@codesourcery.com>
        * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.

        2004-11-22  Mark Mitchell  <mark@codesourcery.com>
        * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.

        2004-11-19  Mark Mitchell  <mark@codesourcery.com>
        * config.gcc (arm*-*-linux-gnueabi): Add it.
        * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
        redefining it.
        (TARGET_OS_CPP_BUILTINS): Likeiwse.
        * config/arm/linux-eabi.h: New file.
        * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
        (LINUX_TARET_LINK_SPEC): Likewise.
        (LINK_SPEC): Use it.
        * config/arm/t-linux-eabi: New file.

2005-10-08  Steven Bosscher  <stevenb@suse.de>

        PR other/22202
        * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
        spaces.
        (PARAM_SMS_DFA_HISTORY): Likewise.

2005-10-08  Kazu Hirata  <kazu@codesourcery.com>

        PR middle-end/23150
        * calls.c (mem_overlaps_already_clobbered_arg_p): New.
        (load_register_parameters): Call it.
        (check_sibcall_argument_overlap_1): Likewise.
        (store_one_arg): Likewise.

2005-10-07  James E. Wilson  <wilson@specifix.com>

        * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
        DImode not VECINT24 for operand 2.

        PR target/23644
        * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
        -mtune-arch.

        PR target/24193
        * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
        fr_spill): Use destination_operand for operand 0.

2005-10-07  DJ Delorie  <dj@redhat.com>

        * varasm.c (output_constant): Limit error to expanding
        conversions.

2005-10-07  Richard Guenther  <rguenther@suse.de>

        PR middle-end/24227
        * fold-const.c (fold_binary): Fix operand types during folding
        of X op (A, Y).  Evaluation order of the side-effects of
        X and A are frontend-defined, so ensure we honour that even for
        tcc_comparison class operands; eased by removing duplicate code.

2005-10-07  Steve Ellcey  <sje@cup.hp.com>

        * stor-layout.c (layout_type): Do not allow alignment of array
        elements to be greater than their size.

2005-10-07  Steve Ellcey  <sje@cup.hp.com>

        * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
        host_xmake_file.
        (hppa*-*-linux*): Ditto.
        (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
        * config/host-hpux.c: New.
        * config/x-hpux: New.
        * config/pa/x-hpux: Remove.
        * config/pa/x-linux: Remove.
        * config/pa/pa-host.c: Remove.

2005-10-07  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
        determine whether or not to try and thread outgoing edges.

2005-10-07  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (eqsi_power): New.
        (neg_eq0si): Add TARGET_POWER to final condition.
        (neg_eqsi): Same.

2005-10-06  Richard Henderson  <rth@redhat.com>

        * config/rs6000/rs6000.c: Revert last change.

2005-10-06  Richard Henderson  <rth@redhat.com>

        * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
        (TARGET_CANNOT_FORCE_CONST_MEM): Use it.

2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/22216
        PR middle-end/23651
        * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
        out return_label and naked_return_label.

2005-10-06  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
        change.

2005-10-06  Richard Henderson  <rth@redhat.com>

        PR tree-opt/22237
        * tree-inline.c (declare_return_variable): Handle modify_dest not
        being a DECL.

2005-10-06  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22488
        * tree-ssa-structalias.c (check_for_overlaps): New function.
        (create_variable_info_for): Use it.

2005-10-06  Richard Henderson  <rth@redhat.com>

        PR debug/24070
        * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
        (dwarf2out_start_source_file): Print it.

2005-10-06  Geoffrey Keating  <geoffk@apple.com>

        * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.

2005-10-06  Richard Henderson  <rth@redhat.com>

        PR 23706
        * mode-switching.c (optimize_mode_switching): Clear transp bit
        for block with incomming abnormal edges.

        * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
        (fpscr_set_from_mem): Use them.
        * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
        (fpscr postinc splitters): Rewrite as peephole2+split.

2005-10-06  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
        (eq<mode>_compare): Same.

2005-10-06  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/24238
        * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.

2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>

        * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
        here.  Use AC_PATH_PROG for environment variables instead of
        test -x.
        * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
        objdump also.
        * configure: Regenerated.

2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>

        PR target/23783
        * arm.md (call): If the address isn't a SYMBOL_REF or a register,
        then force it into a register.
        (call_value): Likewise.

2005-10-06  Richard Henderson  <rth@redhat.com>

        PR 24049
        * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
        under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
        under pass_vectorize.

2005-10-05  Devang Patel  <dpatel@apple.com>

        PR Debug/23205
        * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
        handling constants. Check NAMESPACE_DECL context for constants.

2005-10-05  Eric Christopher  <echristo@apple.com>

        * doc/md.texi (Standard Names): Fix name of pushm1 pattern.

2005-10-05  Richard Henderson  <rth@redhat.com>

        PR 23714
        * tree-cfg.c (mark_array_ref_addressable_1): New.
        (mark_array_ref_addressable): New.
        * tree-flow.h (mark_array_ref_addressable): Declare.
        * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.

2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/20606
        PR middle-end/24069
        * reload.c (subst_reloads): When adding a REG_LABEL to a
        jump instruction, also update JUMP_LABEL.

2005-10-05  David Edelsohn  <edelsohn@gnu.org>

        * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
        * bb-reorder.c (copy_bb_p): Use it.
        * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.

2005-10-05  Richard Henderson  <rth@redhat.com>

        PR target/23602
        * toplev.c (process_options): Warn about unsupported combinations
        of unwind tables and omit-frame-pointer.
        * config/i386/i386.c (override_options): Similarly.  Enable
        accumulate-outgoing-args if not explicitly disabled.

2005-10-05  Steve Ellcey  <sje@cup.hp.com>

        * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
        Handle big endian vs. small endian.
        (vec_initv2sf): Handle big endian vs. small endian.
        (*vec_extractv2sf_1): Ditto.

2005-10-05  Dale Johannesen  <dalej@apple.com>

        * convert.c (convert_to_real):  Don't convert
        (float)floor(double d) to floorf((float)d).

2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/arm.md (insv): Use gen_int_mode in more places.

2005-10-05  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/18587
        * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
        (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
        build_vuses): Change to VEC type.
        (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
        opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
        opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
        opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
        (get_name_decl): New.  Return DECL_UID of base variable.
        (operand_build_cmp): New.  qsort comparison routine.
        (operand_build_sort_virtual): New.  Sort virtual build vector.
        (init_ssa_operands, fini_ssa_operands): Use VEC routines.
        (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
        (FINALIZE_BASE): Use get_name_decl.
        (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
        finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
        (start_ssa_stmt_operands, append_def, append_use, append_vuse,
        append_v_may_def, append_v_must_def): Replace opbuild_* routines with
        direct VEC_* manipulations.
        (build_ssa_operands): Call operand_build_sort_virtual.
        (copy_virtual_operand, create_ssa_artficial_load_stmt,
        add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
        with direct VEC_* manipulations.
        * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
        with direct VEC manipulations.

2005-10-05  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/21419
        PR tree-optimization/24146
        PR tree-optimization/24151

        * c-typeck.c (readonly_error): Handle USE being lv_asm.
        (build_asm_expr): Call it if outputs are read-only.
        * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.

2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
            Paolo Bonzini  <bonzini@gnu.org>

        PR target/23809

        * doc/extend.texi (x86 Built-ins): Document that -msse and friends
        enable the instructions and not just the built-ins.
        * doc/invoke.texi (x86 Options): Likewise.

2005-10-04  Geoffrey Keating  <geoffk@apple.com>

        * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.

        * doc/invoke.texi (Option Summary): Correct spelling
        of -mmacosx-version-min.

2005-10-04  Devang Patel  <dpatel@apple.com>

        * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
        real types.

2005-10-04  Steve Ellcey  <sje@cup.hp.com>

        * tree-vect-transform.c (vect_create_epilog_for_reduction):
        Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.

2005-10-04  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.md ("TDSI","DP"): New mode macros.
        ("TE","tg"): New mode attributes.
        ("sync_compare_and_swap<mode>"): Replace with a define_expand.
        ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
        ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
        dword_mode and one for GPRmode.

2005-10-04  Ian Lance Taylor  <ian@airs.com>

        PR preprocessor/13726
        * c-ppoutput.c (cb_include): Add comments parameter, and print out
        any comments passed in.

2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree.c (annotate_with_file_line): Fix typo.

2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        PR ada/19382
        * builtins.c (fold_builtin_memcmp): When constructing the pointer
        type used to access data in the inlined length == 1 case, use
        build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
        (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.

2005-10-04  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.h (TARGET_FISTTP): Enable also for
        TARGET_SSE3 and only for TARGET_80387.
        * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
        (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
        Do not depend on TARGET_80387.

2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree.c (last_annotated_node): Change type to location_t*.
        (annotate_with_file_line): Reflect the change of
        last_annotated_node type.

2005-10-04  Richard Guenther  <rguenther@suse.de>

        PR c/23576
        * c-decl.c (grokdeclarator): Don't write to fields
        of error_mark_node.

2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/23125
        * c-decl.c (finish_decl): Use set_user_assembler_name even for
        register variables.
        * varasm.c (make_decl_rtl): If a register variable does not
        have a set user assmbler name, error out.
        Decode the asmspec is now name+1 bypassing '*'.

2005-10-04  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/23049
        * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
        of a COND_EXPR is folded before calling fold on the whole rhs of a
        conditional assignment.
        * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
        document that a COND_EXPR may appear there.

2005-10-03  Diego Novillo  <dnovillo@redhat.com>

        PR 23445
        * tree-vrp.c (extract_range_from_assert): If the new numeric
        range created out of the assertion contradicts the existing
        numeric range of the ASSERT_EXPR variable, make the new range
        varying.

2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_register_move_cost): Add case for moving
&nbs