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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog-2005
index 8e40f04..c5604c4 100644 (file)
+2005-12-31  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       PR tree-opt/25612
+       * tree-ssa-pre.c (compute_avail): Treat the static chain decl as a
+       parameter and pretend that it is defined in the entry basic block.
+
+2005-12-30  Kazu Hirata  <kazu@codesourcery.com>
+
+       * tree-outof-ssa.c (_elim_graph): Change the type of STACK to
+       VEC(int,heap).
+       (new_elim_graph, delete_elim_graph, elim_forward,
+       eliminate_phi): Use the VEC API on STACK.
+
+2005-12-29  Daniel Berlin  <dberlin@dberlin.org>
+
+       * tree.h (VALUE_HANDLE_VUSES): New.
+       (struct tree_value_handle): Add vuses.
+
+       * tree-vn.c (struct val_expr_pair_d): Remove stmt, add vuses.
+       (vn_compute): Remove stmt argument.
+       Don't use vuses in hash value computation.
+       (val_expr_pair_eq): Compare vuse lists.
+       (copy_vuses_from_stmt): New function.
+       (shared_vuses_from_stmt): Ditto.
+       (vn_add): Rewrite in terms of vn_add_with_vuses.
+       (vn_add_with_vuses): New function.
+       (vn_lookup): Rewrite in terms of vn_lookup_with_vuses.
+       (vn_lookup_with_vuses): New function.
+       (vuses_compare): New function.
+       (print_creation_to_file): Ditto.
+       (vn_lookup_or_add): Rewrite to handle vuses.
+       (sort_vuses): New function.
+       (vn_lookup_or_add_with_vuses): Ditto.
+       (vn_init): Initialize shared_lookup_vuses.
+       (vn_delete): Free shared_lookup_vuses.
+
+       * tree-ssa-pre.c: Update todo list.
+       (bb_value_sets_t): Add rvuse_in, rvuse_out, rvuse_gen, and
+       rvuse_kill.
+       (RVUSE_IN): New macro.
+       (RVUSE_GEN): Ditto.
+       (RVUSE_KILL): Ditto.
+       (RVUSE_OUT): Ditto.
+       (modify_expr_node_pool): New function.
+       (pretemp): New.
+       (storetemp): Ditto.
+       (mergephitemp): Ditto.
+       (prephitemp): Ditto.
+       (struct expr_pred_trans_d): Add vuses member.
+       (expr_pred_trans_eq): Compare vuses.
+       (phi_trans_lookup): Add vuses argument.
+       (phi_trans_add): Ditto.
+       (translate_vuses_through_block): New function.
+       (phi_translate): Use vuses to ask about those expressions that can
+       have vuses.
+       Properly translate virtual uses through phis, and use
+       vn_lookup_or_add_with vuses.  Handle tcc_reference.
+       (phi_translate_set): Don't add pointless translations to the
+       cache.
+       (get_representative): New function.
+       (vuses_dies_in_block_x): Ditto.
+       (valid_in_set): Add block argument.  Check virtual use validity.
+       (clean): Add block argument. Update call to valid_in_set
+       (compute_antic_aux): Update call to clean.
+       (dump_bitmap_of_names): New function.
+       (compute_vuse_representatives): Ditto.
+       (compute_rvuse): Ditto.
+       (can_value_number_call): Modified to accept calls with vuses.
+       (can_value_number_operation): New function.
+       (can_PRE_operation): Ditto.
+       (need_creation): New vector of stores that may need creation.
+       (find_or_generate_expression): use can_PRE_operation.
+       (create_expression_by_pieces): Handle INDIRECT_REF.
+       Only create one temp until we have to change types.
+       Mark new vars for renaming.
+       (insert_into_preds_of_block): Ignore loopiness of loads.
+       Use can_PRE_operation.
+       Only create one temp until we have to chnge types.
+       (insert_aux): Use can_PRE_operation.
+       Don't pass name to insert_into_preds_of_block.
+       (insert_extra_phis): Only use one temp until we have to change
+       types.
+       (poolify_tree): New function.
+       (modify_expr_template): New var.
+       (poolify_modify_expr): New function.
+       (insert_fake_stores): Ditto.
+       (realify_fake_stores): Ditto.
+       (compute_avail): Use can_value_number_operation.
+       (mark_operand_necessary): Return NULL for non-SSA names.
+       (remove_dead_inserted_code): Update comment.
+       (init_pre): Initialize pretemp, need_creation, storetemp,
+       mergephitemp, prephitemp.
+       Create modify_expr_node_pool.
+       (fini_pre): Free modify_expr_node_pool and need_creation array.
+       (execute_pre): Call insert_fake_stores, compute_rvuse, and
+       realify_fake_stores. 
+       * tree-flow.h (vn_compute): Fix prototype.
+       (vn_add): Ditto.
+       (vn_lookup): Ditto.
+       (sort_vuses): New.
+       (vn_lookup_or_add_with_vuses): Ditto.
+       (vn_add_with_vuses): Ditto.
+       (vn_lookup_with_vuses): Ditto.
+       * passes.c (pass_may_alias): Add.
+
+2005-12-30  Gabriel Dos Reis  <gdr@integrable-solutions.net>
+
+       * c-pretty-print.h (struct c_pretty_print_info): Add new member
+       "constant". 
+       (pp_constant): New macro.
+       * c-pretty-print.c (pp_c_pretty_printer_init): Set pp->constant.
+
+2005-12-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+       PR fortran/25586
+       * pa.md: Remove REG_POINTER check from REG+REG peephole2 floating-point
+       store patterns.
+
+2005-12-29  Mike Stump  <mrs@apple.com>
+
+       * doc/invoke.texi (Objective-C and Objective-C++ Dialect Options
+       -fobjc-exceptions): Don't imply this doesn't work with the GNU
+       runtime.
+
+2005-12-29  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * varasm.c (get_section): Use gcc_assert.
+
+2005-12-29  Paul Brook  <paul@codesourcery.com>
+
+       * config/m68k/m68k.h (RETURN_ADDR_RTX): Define.
+       * config/m68k/m68k.c (m68k_initial_elimination_offset): Remove FIXME.
+       Include offset due to FIRST_PARM_OFFSET.
+
+2005-12-29  Paul Brook  <paul@codesourcery.com>
+
+       * config/m68k/lb1sf68.asm (__cmpdf2): Fix typo in immediate mask.
+       Create wrapper and rename body...
+       (__cmpdf2_internal): ... to this.  Return correct value for unordered
+       result.
+       (__cmpsf2): Create wrapper and rename body...
+       (__cmpsf2_internal): ... to this.  Return corerct value for unordered
+       result.
+       (__eqdf2, __nedf2, __gtdf2, __gedf2, __ltdf2, __ledf2): Use
+       __cmpdf2_internal.
+       (__eqsf2, __nesf2, __gtsf2, __gesf2, __ltsf2, __lesf2): Use
+       __cmpsf2_internal.
+
+2005-12-29  Paul Brook  <paul@codesourcery.com>
+
+       * config/m68k/fpgnulib.c (__extendsfdf2): Handle negative zero.
+       (__truncdfsf2): Ditto.
+       (__extenddfxf2): Ditto.
+       (__truncxfdf2): Ditto.
+       * config/m68k/lb1sf68.asm (__addsf3): Return -0.0 for -0.0 + -0.0.
+       (__adddf3): Ditto.
+
+2005-12-29  Daniel Jacobowitz  <dan@codesourcery.com>
+       Paul Brook  <paul@codesourcery.com>
+
+       * config/m68k/m68k.c (m68k_output_pic_call): Don't use bsr.l for
+       !TARGET_68020.
+       * config/m68k/t-m68kelf (EXTRA_PARTS): Remove.
+       (EXTRA_MULTILIB_PARTS): Set.
+       * config/m68k/t-uclinux (EXTRA_PARTS): Remove.
+       (EXTRA_MULTILIB_PARTS): Set.
+
+2005-12-29  Alan Modra  <amodra@bigpond.net.au>
+
+       PR target/25572
+       * config/rs6000/rs6000.c (create_TOC_reference): Set regs_ever_live.
+
+2005-12-28  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * config.gcc (mt-*-*): Add --with-arch support.
+       (--with): Print accepted options on error.
+       * config/mt/mt.h (OPTION_DEFAULT_SPECS): Define.
+
+       * config/mt/mt.c (DEF_VEC_P(basic_block),
+       DEF_VEC_ALLOC_P(basic_bloc,heap)): Remove from here.
+
+2005-12-28  Daniel Berlin  <dberlin@dberlin.org>
+
+       Fix PR tree-optimization/25394
+       * fold-const.c (fold_checksum_tree): Guard 
+       portions of checksumming with correct structure checks.
+
+2005-12-27  Kazu Hirata  <kazu@codesourcery.com>
+
+       * global.c, tree-ssa-pre.c: Move DEF_VEC_P(basic_block) and
+       DEF_VEC_ALLOC_P(basic_block,{gc,heap}) to ...
+       * basic-block.h: ... here.
+
+2005-12-27  Roger Sayle  <roger@eyesopen.com>
+
+       * fold-const.c (int_const_binop): Return NULL_TREE when an expression
+       can't be evaluated at compile-time (instead of calling abort).
+       Return NULL_TREE for division (and modulus) by zero.
+       (const_binop):  Return NULL_TREE for floating point operators that
+       aren't handled by real_arithmetic.
+       (fold_binary):  Eliminate "wins" variable, and "binary" label, by
+       folding operators with constant operands early.  Assert that
+       operands are non-NULL.
+
+2005-12-27  Kazu Hirata  <kazu@codesourcery.com>
+
+       * tree-vrp.c (extract_range_from_binary_expr): Use
+       build_int_cst instead of fold_convert.
+
+2005-12-26  Mark Mitchell  <mark@codesourcery.com>
+
+       PR c++/23171, c++/23172, c++/25417.
+       * c-decl.c (compound_literal_number): Remove.
+       (build_compound_literal): Use set_compound_literal_name.
+       * c-common.c (compound_literal_number): New variable.
+       (set_compound_literal_name): New function.
+       * c-common.h (set_compound_literal_name): Declare.
+       
+2005-12-26  Kazu Hirata  <kazu@codesourcery.com>
+
+       PR tree-optimization/25125
+       * convert.c (convert_to_integer): Don't narrow the type of a
+       PLUX_EXPR or MINUS_EXPR if !flag_wrapv and the unwidened type
+       is signed.
+
+2005-12-26  Graham Stott  <graham.stott@btinternet.com>
+
+       PR middle-end/25568
+       * combine.c (simplify_shift_const_1 <case PLUS>):Fix enable-checking
+       rtl bootstrap failure.
+
+2005-12-25  Kazu Hirata  <kazu@codesourcery.com>
+
+       * final.c (compute_alignments): Make it static.
+       * gcse.c (gcse_main, bypass_jumps): Likewise.
+       * web.c (web_main): Likewise.
+       * output.h: Remove the prototype for compute_alignments.
+       * rtl.h: Remove the prototypes for web_main, gcse_main, and
+       bypass_jumps.
+
+2005-12-24  Roger Sayle  <roger@eyesopen.com>
+
+       * expr.c (force_operand): Use expand_fix and expand_float to
+       implement integer <-> FP conversions instead of convert_to_mode.
+
+2005-12-24  Mark Mitchell  <mark@codesourcery.com>
+
+       PR c++/23171
+       * varasm.c (initializer_constant_valid_p): An ADDR_EXPR of a
+       CONSTRUCTOR is invalid.
+
+2005-12-23  Daniel Berlin  <dberlin@dberlin.org>
+
+       * tree-pass.h (pass_eliminate_useless_stores): Remove.
+       * tree-ssa-pre.c (is_copy_stmt): Ditto.
+       (follow_copies_till_vuse): Ditto.
+       (do_eustore): Ditto.
+       (gate_eustores): Ditto.
+       (pass_eliminate_useless_stores): Ditto.
+       * passes.c (init_optimization_passes): Ditto.
+
+2005-12-23  Paolo Bonzini  <bonzini@gnu.org>
+
+        * combine.c (simplify_shift_const): Fix typo.  Use, whenever
+       applicable, simplify_const_binary_operation.
+
+        (simplify_shift_const): Leave only the fallback
+        case when no simplification is possible.  Extract to...
+        (simplify_shift_const_1): ... here.  Always create a new
+        RTX instead of substituting.  Remove the signed_count variable.
+        Return NULL_RTX if no substitution is possible.
+
+        (simplify_and_const_int): Leave only the fallback
+        case when no simplification is possible.  Extract to...
+        (simplify_and_const_int_1): ... here.  Always create a new
+        RTX instead of substituting.  Return NULL_RTX if no substitution
+        is possible.
+
+        (force_to_mode, simplify_comparison): Don't pass a non-NULL first
+        parameter to simplify_and_const_int and simplify_shift_const,
+        unless it is equal to the expected non-simplified result.
+
+2005-12-23  Jakub Jelinek  <jakub@redhat.com>
+
+       PR target/25005
+       * regrename.c (replace_oldest_value_reg): Use validate_change with
+       IN_GROUP set to 1 instead of doing direct modifications.
+       (copyprop_hardreg_forward_1): Likewise.  If any replace_oldest_*
+       replacements have been performed on an instruction, use
+       apply_change_group ().
+
+2005-12-23  Hans-Peter Nilsson  <hp@axis.com>
+
+       * config/cris/arit.c (do_31div): Clarify what "31" refers to.
+       [L_divsi3] (__Udiv): Don't use as inline function.
+       [L_modsi3] (__Umod): Ditto.
+       (__Div): Rearrange to call do_31div directly instead of __Udiv.
+       (__Mod): Similarly regarding __Umod.
+
+       PR target/24342
+       * config/cris/cris.c (cris_split_movdx): Add REG_INC notes for
+       emitted insns with post-increments.
+       (cris_expand_epilogue): Ditto.
+
+2005-12-22  Jakub Jelinek  <jakub@redhat.com>
+           Richard Henderson  <rth@redhat.com>
+
+       Merge from gomp-branch.
+       * builtins.def: Move all DEF_SYNC_BUILTIN to ...
+       * sync-builtins.def: ... new file.
+       (BUILT_IN_FETCH_AND_ADD_16,
+       BUILT_IN_FETCH_AND_SUB_16, BUILT_IN_FETCH_AND_OR_16,
+       BUILT_IN_FETCH_AND_AND_16, BUILT_IN_FETCH_AND_XOR_16,
+       BUILT_IN_FETCH_AND_NAND_16, BUILT_IN_ADD_AND_FETCH_16,
+       BUILT_IN_SUB_AND_FETCH_16, BUILT_IN_OR_AND_FETCH_16,
+       BUILT_IN_AND_AND_FETCH_16, BUILT_IN_XOR_AND_FETCH_16,
+       BUILT_IN_NAND_AND_FETCH_16, BUILT_IN_BOOL_COMPARE_AND_SWAP_16,
+       BUILT_IN_VAL_COMPARE_AND_SWAP_16, BUILT_IN_LOCK_TEST_AND_SET_16,
+       BUILT_IN_LOCK_RELEASE_16): New builtins.
+       * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
+       BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
+       * builtins.c (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
+       * c-common.c (enum c_builtin_type): Move to top-level from
+       c_common_nodes_and_builtins enum builtin_type.
+       (builtin_types): Move from c_common_nodes_and_builtins.
+       (def_fn_type): New.
+       (c_common_nodes_and_builtins): Use it.
+       (def_builtin_1): Check for error_mark_node.
+       (sync_resolve_size): Handle also 128 bit sync builtins.
+       * Makefile.in (BUILTINS_DEF): New.  Use it instead of builtins.def.
+
+       * config/i386/i386.h (x86_cmpxchg8b, x86_cmpxchg16b): New decls.
+       (TARGET_CMPXCHG8B, TARGET_CMPXCHG16B): Define.
+       * config/i386/i386.c (x86_cmpxchg8b, x86_cmpxchg16b): New variables.
+       * config/i386/sync.md (CASMODE, DCASMODE): New mode macros.
+       (doublemodesuffix, DCASHMODE): New mode attrs.
+       (sync_compare_and_swap<mode>): Change into expand, use CASMODE
+       instead of IMODE, if mode is wider than a word, expand into
+       sync_double_compare_and_swap*.
+       (*sync_compare_and_swap<mode>): New insn.
+       (sync_double_compare_and_swap<mode>): Likewise.
+       (*sync_double_compare_and_swapdi_pic): Likewise.
+       (sync_compare_and_swap_cc<mode>): Use CASMODE instead of IMODE, if
+       mode is wider than a word, expand into
+       sync_double_compare_and_swap_cc*.
+       (sync_double_compare_and_swap_cc<mode>): New insn.
+       (*sync_double_compare_and_swap_ccdi_pic): Likewise.
+
+2005-12-22  Richard Henderson  <rth@redhat.com>
+
+       * config/i386/mmintrin.h (_mm_add_si64): Only define for SSE2.
+       (_mm_sub_si64): Likewise.
+       * config/i386/xmmintrin.h (_mm_shuffle_pi16, _m_pshufw): Likewise.
+
+2005-12-23  Alan Modra  <amodra@bigpond.net.au>
+
+       PR rtl-optimization/25432
+       * reload1.c (eliminate_regs_in_insn): Update insn code on
+       successfully re-recognizing modified insn.
+
+2005-12-22  Richard Guenther  <rguenther@suse.de>
+
+       * tree.c (tree_fold_gcd): Use build_int_cst where appropriate.
+       * tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
+       * varasm.c (array_size_for_constructor): Likewise.
+       * fold-const.c (size_diffop, invert_truthvalue,
+       optimize_bit_field_compare, make_range, build_range_check,
+       fold_cond_expr_with_comparison, fold_truthop,
+       fold_single_bit_test_into_sign_test, fold_binary): Likewise.
+
+2005-12-22  Dale Johannesen  <dalej@apple.com>
+
+       * config/i386/sse.md (sse_movhlps):  Reverse operands for
+       2nd and 3rd alternatives.
+
+2005-12-22  Andrew Pinski <pinskia@physics.uc.edu>
+
+       PR tree-opt/25513
+       * tree-dfa.c (make_rename_temp): Set DECL_COMPLEX_GIMPLE_REG_P complex
+       variables.
+
+2005-12-22  Zdenek Dvorak <dvorakz@suse.cz>
+           Steven Bosscher <stevenb@suse.de>
+
+       * df.c (df_bitmaps_free): Only work for bbs for that structures are
+       allocated.
+       (df_bb_modify): Realloc tables to the new index.
+       (df_find_use): New function.
+       (df_find_def, df_reg_used): Handle subregs.
+       * df.h (df_find_use): Declare.
+
+       * loop-invariant.c: Include hashtab.h.
+       (struct invariant): Remove processed field, add eqto and reg fields.
+       (struct invariant_expr_entry): New.
+       (invariant_for_use, hash_invariant_expr_1, invariant_expr_equal_p,
+       hash_invariant_expr, eq_invariant_expr, find_or_insert_inv,
+       find_identical_invariants, merge_identical_invariants): New functions.
+       (create_new_invariant): Return the new invariant.  Initialize new
+       fields.
+       (find_invariants): Call merge_identical_invariants.
+       (get_inv_cost, best_gain_for_invariant, set_move_mark,
+       move_invariant_reg): Handle equivalent invariants.
+       * Makefile.in (loop-invariant.o): Add HASHTAB_H dependency.
+
+2005-12-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
+
+       PR c++/23333
+       * c-lex.c (c_lex_with_flags): Add PURE_ZERO to cpp_flags if
+       number is a single digit '0'.
+
+2005-12-22  Kazu Hirata  <kazu@codesourcery.com>
+
+       PR tree-optimization/23518
+       * fold-const.c (make_range): Don't move a constant to the
+       other side of the comparison if the type is signed and -fwrapv
+       is given.
+
+2005-12-22  Kazu Hirata  <kazu@codesourcery.com>
+
+       * tree-vrp.c (extract_range_from_binary_expr): Clean up uses
+       of vr0.type.
+
+2005-12-21  Joseph S. Myers  <joseph@codesourcery.com>
+
+       PR middle-end/24998
+       * config/arm/t-arm-elf (LIB1ASMFUNCS): Add _floatundidf and
+       _floatundisf.
+
+2005-12-21  Andrew Haley  <aph@redhat.com>
+
+       PR middle-end/25121
+       * recog.c (peephole2_optimize): Don't peephole any
+       RTX_FRAME_RELATED_P insns.
+
+2005-12-21  Kazu Hirata  <kazu@codesourcery.com>
+
+       * tree-data-ref.c (estimate_niter_from_size_of_data): Replace
+       fold_build2 with fold_binary.
+       * tree-ssa-ccp.c (visit_assignment, maybe_fold_stmt_addition):
+       Replace fold_build1 with fold_unary.
+       * tree-ssa-reassoc.c (optimize_ops_list): Replace fold_build2
+       with fold_binary.
+
+2005-12-21  Steven Bosscher  <stevenb@suse.de>
+
+       PR rtl-optimization/25196
+       * postreload-gcse.c (record_last_set_info): Notice stack pointer
+       changes in push insns without REG_INC notes.
+
+2005-12-21  Kazu Hirata  <kazu@codesourcery.com>
+
+       PR tree-optimization/25382.
+       * tree-vrp.c (extract_range_from_binary_expr): Extract a range
+       from BIT_AND_EXPR.
+
+2005-12-21  Janis Johnson  <janis187@us.ibm.com>
+           Ben Elliston  <bje@au.ibm.com>
+
+       * configure.ac: Enable C extension for decimal float if invoked
+       with --enable-decimal-float.
+       * doc/install.texi (Configuration): Document it.
+       * configure, config.in: Regenerate.
+
+2005-12-20  Mike Stump  <mrs@apple.com>
+
+       * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Handle the
+       ambiguity between -seg_addr_table and -seg_addr_table_filename.
+       (WORD_SWITCH_TAKES_ARG): Likewise.
+       (LINK_SPEC): Likewise.
+
+2005-12-20  Kenneth Zadeck <zadeck@naturalbridge.com>
+
+       * cfganal.c (flow_reverse_top_sort_order_compute):
+       Renamed to post_order_compute and additional parameter added which
+       allows the inclusion of entry and exit blocks into list.
+       (mark_dfs_back_edges): Fixed comment.
+       (flow_depth_first_order_compute): Renamed to
+       pre_and_rev_post_order_compute additional parameter added which
+       allows the inclusion of entry and exit blocks into list.
+       * global.c (set_up_bb_rts_numbers): Call to
+       flow_reverse_top_sort_order_compute renamed to
+       post_order_compute.
+       * var-tracking.c (vt_stack_adjustments): Fixed comment.
+       (vt_find_locations): Call to
+       flow_depth_first_order_compute renamed to
+       pre_and_rev_post_order_compute.
+       * cfgloop.c (flow_find_loops): Ditto.
+       * tree-ssa-reassoc.c (init_reassoc): Ditto.
+       * df.c (df_analyze_1, df_analyze_subcfg): Calls to
+       flow_reverse_top_sort_order_compute renamed to post_order_compute
+       and calls to flow_reverse_top_sort_order_compute renamed to
+       post_order_compute.
+       * basic_block.h: Ditto.
+
+
+2005-12-20  Roger Sayle  <roger@eyesopen.com>
+           Paolo Bonzini  <bonzini@gnu.org>
+
+       PR rtl-optimization/25115
+       * gcse.c (pre_insert_copy_insn): Fall back to the sole
+       SET in the insn if there is no SET for an
+       expression that is equivalent to EXPR.
+
+2005-12-20  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/24306
+       * builtins.c (std_gimplify_va_arg_expr): Do not align
+       va frame for zero sized types.
+       * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
+
+2005-12-20  Kazu Hirata  <kazu@codesourcery.com>
+
+       PR tree-optimization/25501
+       * tree-cfgcleanup.c (merge_phi_nodes): Check that RESULT is
+       used in the PHI argument corresponding to the edge from BB to
+       DEST.
+
+2005-12-20  Richard Guenther  <rguenther@suse.de>
+
+       Revert
+       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.
+
+2005-12-19  Roger Sayle  <roger@eyesopen.com>
+
+       * combine.c (try_combine): Improve splitting of binary operators
+       by taking advantage of reassociative transformations.
+
+2005-12-19  Jeff Law  <law@redhat.com>
+
+       * tree-ssa-dom.c (thread_across_edge): Do not use local_fold.
+       Strip away all type conversions after simplifying the
+       condition.
+
+       * tree-cfgcleanup.c (merge_phi_nodes): Allow merging in some
+       cases the forwarder block dominates the destination.
+
+2005-12-19  DJ Delorie  <dj@redhat.com>
+
+       * reload1.c (spill_failure): Dump reload data to dump file.
+       (find_reload_regs): Likewise.
+
+2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
+
+       PR tree-optimization/24793
+       * tree-ssa-loop-ivopts.c (get_ref_tag): Remember the
+       original reference if there are subvars.
+       * tree-ssa-operands.c (get_tmr_operands): Handle subvars.
+
+2005-12-19  Kenneth Zadeck <zadeck@naturalbridge.com>
+
+       * df.c (df_analyze_1, df_analyze_subcfg, iterative_dataflow):
+       Corrected basic block number calculations for changes in entry and
+       exit numbering.
+       
+2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
+
+       * tree-flow.h (struct var_ann_d): Change type of
+       may_aliases field to VEC(tree, gc) *.
+       (may_aliases): Declaration changed.
+       * tree-ssa-alias.c (group_aliases, add_may_alias,
+       replace_may_alias, dump_may_aliases_for,
+       is_aliased_with, add_type_alias, new_type_alias):
+       Work with VEC(tree, gc) * instead of varray.
+       * tree-flow-inline.h (may_aliases): Ditto.
+       * tree-ssa.c (verify_flow_insensitive_alias_info,
+       verify_name_tags): Ditto.
+       * tree-ssa-operands.c (add_stmt_operand): Ditto.
+
+2005-12-19  J"orn Rennecke <joern.rennecke@st.com>
+
+       * cfgcleanup.c: Temporarily revert patches for PR 20070 till Bernd
+       comes back.
+
+2005-12-19  J"orn Rennecke <joern.rennecke@st.com>
+
+       * struct-equiv.c (struct_equiv_improve_checkpoint): Fix sets_cc0_p
+       check.
+
+2005-12-19  Ben Elliston  <bje@au.ibm.com>
+
+       * doc/install.texi (Configuration): Typo in Fortran subheading.
+
+2005-12-19  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * config/mt/mt.md (decrement_and_branch_until_zero): Add another
+       scratch.  Correct its reload split. Adjust its peephole.
+       (doloop_end): Add additional scratch.
+       (nop): Use 'nop'.
+       * config/mt/mt.c (MT_INT_ARG_FIRST): Remove.
+       (mt_asm_output_opcode, mt_print_operand): Use 'nop'.
+       (mt_function_arg_slotno): Use FIRST_ARG_REGNUM.
+       (mt_builtin_saveregs): Replace with ...
+       (mt_setup_incoming_varargs): ... here.  Save just the varadic
+       args.
+       (mt_va_start): Remove.
+       (mt_reorg_hazard): Ignore USE insns.  Don't call set_noop_p.
+       (mt_machine_reorg): Split all insns here.
+       (TARGET_SETUP_INCOMING_VARARGS): Override.
+       * config/mt/mt.h (TARGET_CPU_CPP_BUILTINS): Define __mt__ only.
+       Set to CPU type.
+       (EXPAND_BUILTIN_VA_START): Remove.
+
+2005-12-17  Kenneth Zadeck <zadeck@naturalbridge.com>
+
+       * flow.c (update_life_info, count_or_remove_death_notes): Fixed
+       latent bug that could happen if update_life_info was called with a
+       blocks parameter and the call to cleanup_cfg actually deleted one
+       of those blocks. 
+
+2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
+
+       * tree-ssa-structalias.c (update_alias_info): Remove handling
+       of may_be_aliased (SSA_NAME_VAR (op)) case.
+
+2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
+
+       * tree-flow.h (struct stmt_ann_d): Remove
+       makes_aliased_loads and makes_aliased_stores fields.
+       * tree-ssa-ccp.c (likely_value): Do not use makes_aliased_stores
+       and makes_aliased_loads fields.
+       * tree-ssa-dom.c (eliminate_redundant_computations): Do not
+       use makes_aliased_stores.
+       * tree-ssa-operands.c (clobbered_aliased_loads,
+       clobbered_aliased_stores, ro_call_aliased_loads): Removed.
+       (build_ssa_operands, add_stmt_operand, add_call_clobber_ops,
+       add_call_read_ops): Do not set makes_aliased_stores and
+       makes_aliased_loads fields.
+       * tree-ssa.c (verify_ssa): Do not verify makes_aliased_stores
+       field.
+
+2005-12-18  Geoffrey Keating  <geoffk@apple.com>
+
+       * config/darwin.h: Don't include darwin-sections.def to declare
+       global variables; instead create darwin_section_enum.
+       (darwin_section_enum): New.
+       (darwin_sections): New.
+       * config/darwin.c: Don't include darwin-sections.def to define
+       global variables.
+       (darwin_sections): New.
+       (output_objc_section_asm_op): Rewrite to take advantage of
+       darwin_sections.
+       (darwin_init_sections): Rewrite to use darwin_sections.
+       (machopic_output_indirection): Update for darwin_sections array.
+       (machopic_select_section): Likewise.
+       (machopic_select_rtx_section): Likewise.
+       (machopic_asm_out_constructor): Likewise.
+       (machopic_asm_out_destructor): Likewise.
+       (darwin_file_end): Likewise.
+       * config/rs6000/rs6000.c (machopic_output_stub): Likewise.
+       * config/i386/i386.c (machopic_output_stub): Likewise.
+
+2005-12-18  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/25481
+       * tree-ssa-structalias.c (handle_ptr_arith): Handle accesses we
+       don't have a varinfo for.
+
+2005-12-18  Jon Grimm  <jgrimm2@us.ibm.com>
+           Janis Johnson  <janis187@us.ibm.com>
+           Ben Elliston  <bje@au.ibm.com>
+
+       * optabs.c (init_floating_libfuncs): Handle decimal float modes.
+       (init_optabs): Handle libfuncs for decimal float.
+       * genopinit.c (gen_insn): Handle MODE_DECIMAL_FLOAT.
+       * stor-layout.c (int_mode_for_mode): Likewise.
+       * simplify-rtx.c (simplify_immed_subreg): Likewise.
+       (simplify_unary_operation_1): Skip optimisations for decimal float
+       modes.
+       * varasm.c (output_constant_pool_2): Handle MODE_DECIMAL_FLOAT.
+       * emit-rtl.c (gen_const_vector): Add assertion check.
+       (init_emit_once): Populate const_tiny_rtx with constants in each
+       decimal float mode.
+       * expmed.c (extract_high_half, expand_mult_highpart_optab,
+       expand_mult_highpart): Assert that mode is not a scalar float
+       mode.
+       * expr.c (convert_move): Handle conversion between decimal and
+       binary floats of the same size.
+       * convert.c (convert_to_real): Consider decimal float types when
+       folding.
+       * dwarf2out.c (base_type_die): Use DW_ATE_decimal_float to
+       describe decimal floating point types.
+       
+2005-12-18  Ulrich Weigand  <uweigand@de.ibm.com>
+
+       PR rtl-optimization/21041
+       * reload.c (find_reloads_subreg_address): Replace paradoxical
+       subreg of MEM by widened access only if the resulting memory
+       is properly aligned, even on !STRICT_ALIGNMENT targets.
+
+2005-12-18  Andreas Krebbel  <krebbel1@de.ibm.com>
+
+       * tree-cfg.c (tree_flow_call_edges_add): Check for empty basic blocks.
+
+2005-12-18  Steven Bosscher  <stevenb@suse.de>
+
+       * gcse.c (gcse_main, bypass_jumps): Fix non-GNU-isms from
+       the 2005-12-17 patch to renumber the entry and exit blocks.
+
+2005-12-18  Gabriel Dos Reis  <gdr@integrable-solutions.net>
+
+       * doc/objc.texi (Type encoding): Fix typo.
+
+2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
+
+       * tree-tailcall.c (find_tail_calls): Use XNEW.
+       * tree-ssa-dom.c (allocate_edge_info): Use XCNEW.
+       (free_all_edge_infos): Use explicit cast to convert from void *.
+       (vrp_free): Likewise.
+       (dom_opt_finalize_block): Likewise.
+       (record_equivalences_from_incoming_edge): Likewise.
+       (thread_across_edge): Likewise.  Use XCNEWVEC.
+       (record_cond): Use XCNEW.
+       (record_conditions): Use XNEWVEC.
+       (record_edge_info): Use XCNEWVEC.
+       (lookup_avail_expr): Use XNEW.
+       (record_range): Likewise.  Use GGC_NEW.
+       * tree-nested.c (var_map_hash): Use explicit cast to convert from
+       void *.
+       (var_map_eq): Likewise.
+       (lookup_field_for_decl): Likewise.
+       (convert_nonlocal_reference): Likewise.
+       (convert_local_reference): Likewise.
+       (convert_nl_goto_reference): Likewise.
+       (convert_nl_goto_receiver): Likewise.
+       (convert_call_expr): Likewise.
+       (convert_tramp_reference): Likewise.
+       (lookup_tramp_for_decl): Likewise.Use GGC_NEW.
+       (convert_nl_goto_reference): Likewise.
+       (lookup_field_for_decl): Use GGC_NEW.
+       (create_nesting_tree): Use GGC_CNEW.
+       * tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC.
+       * tree-ssa-alias.c (init_alias_info): Use XCNEW.
+       (create_alias_map_for): Likewise.
+       (setup_pointers_and_addressables): Use XCNEWVEC.
+       (get_ptr_info): Use GGC_NEW.
+       (used_part_map_eq): Use explicit cast to convert from void *.
+       (up_lookup): Likewise.
+       (up_insert): Use XNEW.
+       (get_or_create_used_part_for): Use XCNEW.
+       (get_tmt_for): Likewise.
+       * tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW.
+       * tree-ssa-pre.c (phi_trans_add): Use XNEW.
+       (bitmap_set_new): Use explicit cast to convert from void *.
+       (set_new): Likewise.
+       (insert_into_set): Likewise.
+       (pool_copy_list): Likewise.
+       (phi_translate): Likewise.
+       (create_value_expr_from): Likewise.
+       (insert_aux): Use XCNEWVEC.
+       (compute_avail): Use XNEWVEC.
+       * tree-ssa-live.c (calculate_live_on_entry): Likewise.
+       (sort_coalesce_list): Likewise.
+       (build_tree_conflict_graph): Use XCNEWVEC.
+       * tree-ssa-dce.c (tree_dce_init): Use XNEWVEC.
+       * tree-ssa-copy.c (init_copy_prop): Likewise.
+       (fini_copy_prop): Likewise.
+       * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use XNEW
+       and XCNEWVEC.
+       (record_equiv): Use XNEW.
+       (uncprop_into_successor_phis): Use explicit cast to convert from
+       void *.
+       (uncprop_initialize_block): Likewise.
+
+2005-12-18  Dorit Nuzman  <dorit@il.ibm.com>
+
+       PR tree-optimization/24378      
+       * tree-vect-transform.c (vect_transform_loop): Create single-predecessor
+       basic-block after loop-versioning. 
+
+2005-12-18  Jeff Law  <law@redhat.com>
+
+       * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code
+       to simplify SWITCH_EXPR_CODE moved from here to ...
+       * tree-ssa-forwprop.c (simplify_switch_expr): Here.
+       (tree-ssa-forward_propagate_single_use_vars): Call
+       simplify_switch_expr when appropriate.
+
+2005-12-17  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       * doc/objc.texi (Type encoding): Add documentation about encoding
+       complex types and _Bool.
+
+2005-12-17  Paul Brook  <paul@codesourcery.com>
+
+       * config/m68k/m68k.md (m68k_output_function_prologue): Always call
+       dwarf2out_def_cfa. Only add space for frame pointer to cfa_offset
+       when frame_pointer_needed. 
+
+2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
+
+       * tree-vn.c (vn_add): Use XNEW.
+       * tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC.
+       (ccp_fold): Likewise.
+       (fold_stmt_r): Use explicit cast to convert from void *.
+       * tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC.
+       (new_temp_expr_table): Likewise.
+       * gimplify.c (lookup_tmp_var): Use XNEW.
+       (gimplify_asm_expr): Use explcit cast to convert from void *.
+       * tree-into-ssa.c (get_ssa_name_ann): Likewise.
+       (get_def_blocks_for): Use XNEW.
+       (add_to_repl_tbl): Likewise.
+       (mark_def_sites): Use explicit cast to convert from void *.
+       (def_blocks_free): Likewise.
+       (mark_def_sites_initialize_block): Likewise.
+       (update_ssa): Use XNEWVEC.
+       * tree-dfa.c (create_var_ann): Use GGC_NEW.
+       (create_stmt_ann): Likewise.
+       (create_tree_ann): Likewise.
+       (referenced_var_insert): Likewise.
+       (set_default_def): Likewise.
+       (referenced_var_lookup_if_exists): Use explicit cast to convert
+       from void *.
+       (referenced_var_lookup): Likewise.
+       (default_def): Likewise.
+       (set_default_def): Likewise.
+       * tree-cfg.c (create_bb): Likewise.
+       (edge_to_cases_cleanup): Likewise.
+       (verify_node_sharing): Likewise.
+       (record_switch_edge): Use XNEW.
+       (cleanup_dead_labels): Use XCNEWVEC.
+       (tree_duplicate_sese_region): Use XNEWVEC.
+       * tree-scalar-evolution.c (get_instantiated_value): Likewise.
+       * tree-ssa.c (verify_ssa): Use XCNEWVEC.
+       (int_tree_map_eq): Use explicit cast to convert from void *.
+       * libgcov.c (gcov_exit): Use explicit cast to convert from void *.
+       (__gcov_execl): Likewise.
+       (__gcov_execlp): Likewise.
+       (__gcov_execle): Likewise.
+       * tree-eh.c (struct_ptr_eq): Likewise.
+       (struct_ptr_hash): Likewise.
+       (lookup_stmt_eh_region_fn): Likewise.
+       (outside_finally_tree): Likewise.
+       (find_goto_replacement): Likewise.
+       (make_eh_edge): Likewise.
+       (mark_eh_edge): Likewise.
+       (add_stmt_to_eh_region_fn): Use GGC_NEW.
+       (record_in_finally_tree): Use XNEW.
+       (maybe_record_in_goto_queue): Use XRESIZEVEC.
+       (lower_try_finally_copy): Use XCNEWVEC.
+
+2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
+
+       * tree-inline.c (copy_body_r): Use explicit cast when converting
+       from void *.
+       (copy_bb): Likewise.
+       (copy_edges_for_bb): Likewise.
+       (remap_decl_1): Likewise.
+       (estimate_num_insns_1): Likewise.
+       * cgraph.c (hash_node): Use explicit cast when converting from
+       void *.
+       (eq_node): Likewise.
+       (cgraph_create_node): Use GGC_CNEW.
+       (cgraph_create_edge): Use GGC_NEW.
+       (cgraph_remove_node): Use explicit cast when converting from void *.
+       (hash_varpool_node): Likewise.
+       (eq_varpool_node): Likewise.
+       (cgraph_varpool_node): Use GGC_CNEW.
+       * lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
+       * tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
+       (eq_scev_info): Use explicit cast when converting from void *.
+       (find_var_scev_info): Likewise.
+       (set_instantiated_value): Likewise.
+       (gather_stats_on_scev_database_1): Likewise.
+       * cfgloop.h (simple_loop_desc): Use explicit cast when converting
+       from void *.
+       * c-pch.c (c_common_write_pch): Use XNEWVEC.
+       (c_common_read_pch): Likewise.
+       * prefix.c (save_string): Use XNEWVEC.
+       (translate_name): Use explicit cast when converting from void *.
+       * c-ppoutput.c (print_line): Use explicit cast when converting
+       from void *.
+       (pp_dir_change): Likewise.
+       * c-cppbuiltin.c (builtin_define_std): Likewise.
+       (builtin_define_with_value): Likewise.
+       (builtin_define_with_value_n): Likewise.
+       (builtin_define_with_int_value): Likewise.
+       (builtin_define_type_max): Likewise.
+       * c-incpath.c (add_env_var_paths): Use XNEWVEC.
+       (add_path): Use XNEW.
+       * c-format.c (check_format_info_main): Use GGC_NEW.
+       (format_type_warning): Use explicit cast when converting from void *.
+       * c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
+       xmalloc. 
+       (start_init): Likewise.
+       * tree-flow-inline.h (first_referenced_var): Use explicit cast
+       when converting from void *.
+       (next_referenced_var): Likewise.
+       * c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc.
+       * gensupport.c (lookup_predicate): Use explicit cast to convert
+       from void *.
+       (init_predicate_table): Use XCNEW instead of xcalloc.
+       * genpreds.c (process_define_predicate): Likewise.
+
+2005-12-17  Danny Berlin <dberlin@dberlin.org>
+           Kenneth Zadeck <zadeck@naturalbridge.com>
+
+       * basic-block.h: Changed basic block numbering so that the entry
+       block is 0 and the exit block is 1.  Changed insn iterators so
+       that they are tolerant of blocks with no insns.
+       * regrename.c (copyprop_hardreg_forward): Changed basic block
+       numbering so that the entry block is 0 and the exit block is 1.
+       * sched-ebb.c (sehedule_ebbs): Ditto.
+       * tracer.c (branch_ratio_cutoff): Ditto.
+       * cfgloopmanip.c (fix_loop_structure): Ditto.
+       * cfghooks.c (verify_flow_info): Ditto.
+       * cfg.c (compact_blocks): Ditto.
+       * reorg.c (dbr_schedule): Ditto.
+       * flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
+       * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
+       calculate_dominance_info): Ditto.
+       * cfganal.c (create_edge_list, print_edge_list,
+       flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
+       flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
+       dfs_enumerate_from): Ditto.
+       * global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
+       * ifcvt.c (find_if_case_2): Ditto.
+       * cfgbuild.c (control_flow_insn_p, count_basic_blocks,
+       find_basic_blocks): Ditto.
+       * predict.c (predict_loops, tree_bb_level_predictions,
+       predict_paths_leading_to, propagate_freq): Ditto.
+       * lcm.c (compute_antinout_edge, compute_laterin,
+       compute_available): Ditto.
+       * function.c (thread_prologue_and_epilogue_insns): Ditto.
+       * gcse.c (gcse_main, bypass_jumps): Ditto.
+       * profile.c (compute_branch_probabilities,
+       compute_value_histograms, branch_prob): Ditto.
+       * tree-flow-inline.h (bsi_start, bsi_after_labels,
+       bsi_last): Ditto.
+       * tree-ssa-phiopt.c (tree_ssa_phiopt,
+       blocks_in_phiopt_order): Ditto.
+       * bt-load.c (compute_defs_uses_and_gen, compute_kill,
+       compute_out, link_btr_uses, migrate_btr_defs): Ditto.
+       * tree-dfa.c (collect_dfa_stats): Ditto.
+       * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
+       * cfglayout.c (fixup_reorder_chain): Ditto.
+       * bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
+       partition_hot_cold_basic_blocks): Ditto.
+       * var-tracking.c (vt_find_locations): Ditto.
+       * cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
+       * sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
+       * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
+       label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
+       * tree-ssa-reassoc.c (init_reassoc): Ditto.
+       * cfgrtl.c (entry_of_function, rtl_verify_flow_info,
+       rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
+       * df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
+       and removed unused reverse orders.
+       * df.h (): Ditto.
+       * combine.c: Fix document typo.
+
+2005-12-17  Jan Hubicka  <jh@suse.cz>
+
+       * tree-flow-inline.h (set_default_def, default_def): Kill.
+       * tree-dfa.c (default_defs): New global variable.
+       (default_def, set_default_def): New functions.
+       * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash.
+       * tree-flow.h (struct var_ann_d): Kill default_def field.
+       (set_default_def, default_def): Update prototype.
+       (default_defs): Declare.
+
+2005-12-16  Jeff Law  <law@redhat.com>
+
+       * tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.
+       (simplify_rhs_and_lookup_avail_expr): Kill.  Remnants moved
+       into tree-ssa-forwprop.c.
+       (eliminate_redundant_computations): Do not call
+       simplify_rhs_and_lookup_avail_expr anymore.
+       * tree-ssa-forwprop.c (simplify_not_neg_expr): New function
+       extracted from remnants of simplify_rhs_and_lookup_avail_expr.
+       (tree_ssa_forward_propagate_single_use_vars): Call
+       simplify_not_neg_expr appropriately.
+
+2005-12-16  Bernd Trog  <berndtrog@yahoo.com>
+
+       PR target/20016
+       * config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS.
+
+2005-12-17  Kazu Hirata  <kazu@codesourcery.com>
+
+       PR rtl-optimization/25456
+       * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
+       info->x_start with p->x_start.
+
+2005-12-17  Alan Modra  <amodra@bigpond.net.au>
+
+       * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
+       introduced 2005-12-16.
+
+2005-12-16  Steven Bosscher  <stevenb@suse.de>
+
+       PR rtl-optimization/23837
+       * optabs.c (expand_binop): For a multi-word rotate, never emit
+       a REG_NO_CONFLICT block.
+
+2005-12-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+       PR middle-end/25457
+       * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
+
+       PR target/25447
+       * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
+       MODE_DECIMAL_FLOAT.
+
+2005-12-16  Steven Bosscher  <stevenb@suse.de>
+
+       * loop-invariant.c (move_loop_invariants): Add missing hunk from
+       the previous patch, to nullify df.
+
+2005-12-16  Steven Bosscher  <stevenb@suse.de>
+
+       * reorg.c (mostly_true_jump): Clean up code depending on
+       LABEL_OUTSIDE_LOOP_P and loop notes.  Remove code doing
+       poor man's branch prediction, instead rely on REG_BR_PROB
+       notes to be available.
+
+2005-12-16  Jakub Jelinek  <jakub@redhat.com>
+
+       PR rtl-optimization/24899
+       * loop.c (strength_reduce): Don't reduce giv that is not always
+       computable and where add_val or mult_val can trap.
+
+       * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
+
+2005-12-16  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
+       names of ms1-16-002 files.
+
+2005-12-16  Alan Modra  <amodra@bigpond.net.au>
+
+       PR driver/20425
+       * gcc.c (for_each_path): New function.
+       (add_to_obstack, file_at_path): New functions.
+       (struct file_at_path_info, struct add_to_obstack_info): New.
+       (build_search_list): Rewrite using for_each_path.  Constify struct
+       path_prefix pointer.  Add do_multi param.  Adjust all callers.
+       (find_a_file): Similarly, but just change existing param to bool.
+       (putenv_from_prefixes): Add do_multi param, make "paths" const.
+       (do_spec_path): Delete.
+       (struct spec_path_info): New.
+       (spec_path): New function.
+       (do_spec_1): Use for_each_path for %D and %I.
+       (find_file): Adjust for find_a_file changes.
+       (main): Search multilibs for specs.  Print multilib lib path for
+       -print-search-dirs.  Likewise add multilibs to LIBRARY_PATH_ENV.
+       (read_specs): Search multilibs for %include and %include_noerr.
+       (is_directory): Remove second string param.  Change last param
+       to a bool.  Don't use concat.  Remove SMALL_ARG_MAX test, always
+       check path is a dir.  Update all callers.
+       * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
+       * system.h (SMALL_ARG_MAX): Poison.
+       * config.gcc: Don't define SMALL_ARG_MAX.
+       * config.host: Likewise.
+       * config.build: Likewise.
+
+2005-12-16  Paolo Bonzini  <bonzini@gnu.org>
+
+       * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
+       FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
+       ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
+       simplify_logical): Move simplifications that do not require
+       additional infrastructure...
+       * simplify-rtx.c (simplify_unary_operation_1,
+       simplify_binary_operation_1): ... here.
+
+2005-12-16  Andreas Krebbel  <krebbel1@de.ibm.com>
+
+       PR 24823
+       * flow.c (mark_used_dest_regs): New function.
+       (mark_used_regs): Call mark_used_dest_regs.
+
+2005-12-16  Jeff Law  <law@redhat.com>
+
+       * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
+       represent a use and definition of the same SSA_NAME.
+
+2005-12-16  Jon Grimm  <jgrimm2@us.ibm.com>
+           Janis Johnson  <janis187@us.ibm.com>
+           Ben Elliston  <bje@au.ibm.com>
+
+       * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
+       (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
+       * target.h (struct gcc_target): Add decimal_float_supported_p.
+       * targhooks.c (default_scalar_mode_supported_p): Handle
+       MODE_DECIMAL_FLOAT.
+       * builtins.def: Add new builtins for 32, 64 and 128 bit variants
+       of inf, nan, finite, isinf and isnan.
+       * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
+       BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
+       BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
+       BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
+       BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
+       BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
+       BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
+       * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
+       Pedwarn if decimal floating point types are used.  Error if
+       decimal floating point is not supported by the target.
+       (finish_declspecs): Return type from DFP typespec_word.
+       * c-typeck.c (c_common_type): Choose the decimal floating point
+       type with the greater precision when determining a common type.
+       (convert_arguments): Warn if there is a mismatch between argument
+       and prototype for decimal float types.  Warn of conversions with
+       binary float types and of precision narrowing due to prototype.
+       * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
+       (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
+       (c_token_starts_declspecs): Likewise.
+       (c_parser_attributes): Likewise.
+       * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
+       RID_DFLOAT64, RID_DFLOAT128.
+       (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
+       * c-common.c (c_common_type_for_mode): Handle decimal float modes.
+       (shorten_compare): Convert DFP/BFP operands to a common type.
+       (c_common_modes_and_builtins): Register built-in decimal float
+       types if the target supports them.
+       (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
+       * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
+       inf, nan, finite, isinf and isnan builtins.
+       * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
+       (builtin_define_float_constants): Assert non-decimal radix.
+       (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
+       Call builtin_define_decimal_float_constants for each type.
+       * c-lex.c (interpret_float): Decode decimal float types from CPP_N
+       flags.  Use real_from_string3, which can handle binary or decimal
+       floats.
+       * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
+       cts_dfloat64, cts_dfloat128.
+       * tree.c (build_common_tree_nodes_2): Add decimal float types.
+       * tree.h (enum tree_index): Add new enumeration values
+       TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
+       TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
+       (dfloat32_type_node): New macro.
+       (dfloat64_type_node, dfloat128_type_node): Likewise.
+       (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
+       (dfloat128_ptr_type_node): Likewise.
+       * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
+       bit decimal floating point types with "df", "dd" and "dl".
+       * c-format.h (enum format_lengths): Add new enumeration values
+       FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
+       * c-format.c (printf_length_specs, scanf_length_specs): Add
+       entries for H, D, DD.
+       (print_char_table, scan_char_table): Use new entries.
+       (asm_fprintf_char_table, gcc_diag_char_table,
+       gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
+       length arrays.
+       * defaults.h (DECIMAL32_TYPE_SIZE): Define.
+       (DECIMAL64_TYPE_SIZE): Likewise.
+       (DECIMAL128_TYPE_SIZE): Likewise.
+       (TARGET_DEC_EVAL_METHOD): Likewise.
+       * doc/extend.texi (Decimal Float): New node.
+       (Constructing Calls): Document decimal float built-ins.
+       * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
+       * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
+       * ginclude/decfloat.h: New file.
+
+2005-12-16  Alan Modra  <amodra@bigpond.net.au>
+
+       * reload.c (find_reloads): Fix comment typo.
+       * recog.h (recog_memoized): Correct comment.
+
+2005-12-16  Kazu Hirata  <kazu@codesourcery.com>
+
+       * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
+       config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
+       reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
+       tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
+       * doc/invoke.texi, doc/tm.texi: Fix typos.
+
+2005-12-16  Ben Elliston  <bje@au.ibm.com>
+
+       * real.c (decimal_quad_format): Correct values for emin, emax.
+
+2005-12-15  DJ Delorie  <dj@redhat.com>
+
+       * config/m32c/predicates.md (m32c_psi_scale): New.
+       * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
+       * config/m32c/muldiv.md (mulpsi3): Support negative constants.
+
+2005-12-16  Jan Hubicka  <jh@suse.cz>
+
+       PR rtl-optimization/25224
+       * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
+       tables.
+
+2005-12-15  Zdenek Dvorak <dvorakz@suse.cz>
+           Steven Bosscher <stevenb@suse.de>
+
+       * loop-invariant.c (df): New global variable.
+       (find_defs, check_dependencies, find_invariant_insn, record_uses,
+       find_invariants_bb, find_invariants_body, find_invariants,
+       find_invariants_to_move, move_invariants, free_inv_motion_data,
+       move_single_loop_invariants, move_loop_invariants): Do not pass df in
+       arguments.
+
+2005-12-15  Jakub Jelinek  <jakub@redhat.com>
+
+       * varasm.c (default_unique_section_1): Use special section
+       names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
+
+2005-12-16  Ben Elliston  <bje@au.ibm.com>
+
+       * doc/invoke.texi (Warning Options): Document -Walways-true being
+       enabled by -Wall.
+
+2005-12-15  Joseph S. Myers  <joseph@codesourcery.com>
+
+       PR other/25028
+       * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
+       * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
+       __floatunditf): Use #error if type sizes don't match requirements
+       of implementation.
+       (__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
+       as wider floating-point type.  Use #error if type sizes don't
+       match requirements of implementation.  Avoid overflow in computing
+       Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
+       shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
+       (__floatundisf, __floatundidf): Likewise.
+       * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
+       * config/ia64/ia64.c (ia64_init_libfuncs): Use
+       _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
+       TFmode-TImode conversions.
+       * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
+
+2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
+
+       * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
+       Use builtin_define_with_int_value() instead of
+       adding a new check for every new major FreeBSD version.
+
+2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
+
+2005-12-15  Richard Sandiford  <richard@codesourcery.com>
+
+       * config/arm/predicates.md (call_memory_operand): New.
+       * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
+
+2005-12-15  Andrew Haley  <aph@redhat.com>
+
+       * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
+       against prev_cache_entry == NULL when moving a cache entry to the
+       head of the list.
+       
+2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * config/mt/mt.c (mt_override_options): Require lower case
+       architectures.  Revert accidental default to ms2.
+       * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
+       ENDFILE_SPEC): Require lower case architectures.  Revert default
+       to ms2.
+
+       * doc/invoke.texi (MT Options): Rename and update.
+       * doc/md.texi (MorphoTech family): Rename and update.
+
+2005-12-15  Olivier Hainque  <hainque@adacore.com>
+
+       * stor-layout.c (layout_type): Don't complain about a too small
+       an array element type size compared to its alignment when the
+       size overflows.
+
+2005-12-15  Jan Hubicka  <jh@suse.cz>
+
+       PR target/24969
+       * i386.c (classify_argument): Properly adjust offset of bitfield for
+       substructures.
+
+2005-12-15  Richard Sandiford  <richard@codesourcery.com>
+
+       * final.c (final_scan_insn): Flip in_cold_section_p when changing
+       between the hot and cold sections.  Use current_function_section
+       to get the new section.
+       * dwarf2out.c (output_line_info): Use in_cold_section_p to
+       determine whether we are assembling hot or cold code.
+       (secname_for_decl, dwarf2out_var_location): Likewise.
+       (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
+       * varasm.c (last_text_section): Delete.
+       (in_cold_section_p): New variable.
+       (hot_function_section): New function.
+       (current_function_section): Pass in_cold_section_p as the
+       reloc argument to select_section.  Use it to decide between
+       unlikely_function_section and hot_function_section.
+       (assemble_start_function): Use switch_to_section.  Set
+       in_cold_section_p instead of last_text_section.
+       (assemble_end_function): Use switch_to_section.
+       (switch_to_section): Don't set last_text_section.
+       * config/darwin/darwin.c (machopic_select_section): Trust the reloc
+       argument to make the right choice between hot and cold sections.
+
+2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
+
+       Second part of MS1->MT renaming
+       * config/mt/mt.md (doloop_end): Call mt_add_loop.
+       (movqi, movhi): Call mt_set_memflags.
+       (*movdf_internal): Call mt_split_words. 
+       (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
+       mt_set_memflags.
+       (cmpsi): Store to mt_compare_op[01].
+       (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
+       bungt, bunle, bunlt): Call mt_emit_cbranch.
+       (prologue): Call mt_expand_prologue.
+       (epilogu): Call mt_expend_epilogue.
+       (eh_return): Call mt_expand_eh_return.
+       (eh_epilogue): Call me_emit_eh_epilogue.
+       (conditional_trap): Store to mt_compare_op[01].
+       * config/mt/crti.asm: Adjust comment.
+       * config/mt/crtn.asm: Adjust comment.
+       * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
+       (mt_compare_op0, mt_compare_op1): Renamed.
+       (current_frame_info, zero_frame_info): Adjust type.
+       (mt_ucmpsi3_libcall): Renamed.
+       (mt_flag_delayed_branch): Renamed.
+       (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
+       (mt_nops_required, mt_nop_reasons): Renamed.
+       (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
+       mt_debug_stack, mt_print_operand_simple_address,
+       mt_print_operand_address, mt_print_operand): Renamed, adjusted.
+       (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
+       mt_function_arg_advance, mt_arg_partial_bytes,
+       mt_pass_by_reference, mt_function_arg_boundary,
+       mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
+       mt_legitimate_address_p): Renamed, adjusted.
+       (mt_cpu): Renamed.
+       (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
+       mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
+       mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
+       mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
+       mt_expand_eh_return, mt_emit_eh_prologue,
+       mt_handl_interrupt_attribute): Renamed, adjusted.
+       (mt_attribute_table): Renamed, adjusted.
+       (mt_initial_elimination_offset, mt_generate_compare,
+       mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
+       mt_secondary_reload_class, mt_function_value, mt_split_words,
+       mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
+       mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
+       (mt_labels): Renamed.
+       (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
+       mt_machine_reorg): Renamed, adjusted.
+       (mt_attribute_table: Renamed.
+       (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
+       TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
+       TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
+       * config/mt/mt.opt (march): Set mt_cpu_string.
+       * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
+       (TARGET_CPU_CPP_BUILTINS): Adjust.
+       (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
+       TARGET_MS2): Adjust.
+       (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
+       (MT_MIN_INT): Renamed.
+       (RETURN_ADDR_RTX): Adjust.
+       (struct mt_frame_info): Renamed.
+       (current_frame_info): Adjust type.
+       (INITIAL_ELIMINATION_OFFSET): Adjust.
+       (MT_NUM_ARG_REGS): Renamed.
+       (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
+       FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
+       LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
+       GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
+       FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
+       (mt_compare_op0, mt_compare_op1): Renamed.
+       * config/mt/mt-protos.h: Rename prototypes.
+
+2005-12-15  Richard Guenther  <rguenther@suse.de>
+
+       * tree-flow.h (okay_component_ref_for_subvars): Remove.
+       (get_ref_base_and_extent): Declare.
+       * tree-dfa.c (okay_component_ref_for_subvars): Remove.
+       (get_ref_base_and_extent): New function.
+       * tree-ssa-alias.c (find_used_portions): Use it.
+       * tree-ssa-structalias.c (get_constraint_for_component_ref):
+       Likewise.
+       * tree-ssa-operands.c (get_expr_operands): Likewise.
+
+2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
+
+       * combine.c: Remove force_to_mode's fourth parameter.
+       (force_to_mode): Do not handle REG.
+       (canon_reg_for_combine): New.
+       (make_field_assignment): Use it where the removed argument was non-NULL.
+
+2005-12-15  Alan Modra  <amodra@bigpond.net.au>
+
+       PR target/25406
+       * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
+       error_mark_node.  Make alignment params unsigned.
+       * config/rs6000/rs6000-protos.h
+       (rs6000_special_round_type_align): Update prototype.
+       (rs6000_machopic_legitimize_pic_address): Remove arg names.
+
+2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
+
+       PR rtl-optimization/25310
+       * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
+       of the eliminable register when substituting into a PLUS.
+
+2005-12-14  Jakub Jelinek  <jakub@redhat.com>
+
+       PR debug/25023
+       * config/i386/i386.c (ix86_force_to_memory): Always use
+       SImode push for HImode in -m32.
+       (ix86_free_from_memory): Likewise.
+
+2005-12-14  Richard Sandiford  <richard@codesourcery.com>
+
+       * gcc/config/arm/arm.md: Provide a big-endian version of the
+       (zero_extend:SI (subreg:QI ...)) splitter.
+
+2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
+
+       * struct-equiv.c (note_local_live): Handle hard regs with different
+       hard_regno_nregs.
+
+2005-12-14  Jeff Law  <law@redhat.com>
+
+       * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
+       to a structure containing state rather than a pointer to bool.
+       (case ARRAY_REF): New code to handle folding some array references.
+       (case ADDR_EXPR): Note when we are processing expressions found
+       within an ADDRE_EXPR.
+       (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
+       for state variables rather than just a pointer to a boolean.
+       * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
+       handling of constant string references.
+
+2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
+
+       * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
+       ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
+       ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
+       Move other tst* patterns to retain partial order.
+
+2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
+
+       * config/s390/s390.md ("d0", "1"): New mode attributes.
+       ("<shift>di3", "<shift>si3"): Merge.
+       ("*<shift>di3_and", "*<shift>si3_and"): Merge.
+       ("ashrdi3", "ashrsi3"): Merge.
+       ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
+       ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
+       ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
+       ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
+       ("*ashrdi3", "*ashrsi3"): Merge.
+       ("*ashrdi3_and", "*ashrsi3_and"): Merge.
+
+2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
+
+       * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
+       ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
+       ("*extendqidi2", "*extendqisi2") Merge.
+       ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
+       ("zero_extendhidi2", "zero_extendqidi2"): Merge.
+       ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
+       Move some patterns to retain partial ordering.
+
+2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
+
+       * config/s390/s390.md ("atype", "length"): Rewrite.
+       ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
+
+2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
+
+       * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
+
+2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
+
+       * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
+       PARALLELs with a mode.
+
+2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
+
+       * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
+       cond_expr parameter.
+
+2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
+
+       * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
+
+2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
+
+       PR bootstrap/25397:
+
+       * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
+       of STACK_REGS bits.
+
+       * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
+
+2005-12-14  Jakub Jelinek  <jakub@redhat.com>
+
+       PR target/25254
+       PR target/24188
+       * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
+       DECL_P, call get_section rather than get_named_section.  Supply
+       section flags to it.
+
+2005-12-14  Ben Elliston  <bje@au.ibm.com>
+
+       * c-common.c (c_common_truthvalue_conversion): Generalise warning
+       for addresses converted to booleans; not just function addresses.
+       * c-typeck.c (build_binary_op): Warn for address comparisons which
+       can never be NULL (eg. func == NULL or &var == NULL).
+       * common.opt (Walways-true): New option.
+       * c-opts.c (c_common_handle_option): Set it with -Wall.
+       * doc/invoke.texi: Document it.
+
+2005-12-13  Paul Brook  <paul@codesourcery.com>
+
+       * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
+       __floatunsidf, __floatunsisf, __floatunsixf): New functions.
+
+2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
+       (EXTRA_MULTILIB_PARTS): Define.
+
+2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
+
+       PR rtl-optimization/20070 / part1
+       * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
+       count_or_remove_death_notes with kill == -1.
+       (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
+       registers if PROP_POST_REGSTACK is set.
+       (mark_used_reg): Likewise.
+       (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
+       REG_UNUSED notes for stack regs.
+       * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
+       to match rtx_equiv_p machinery.  Change caller.
+       (outgoing_edges_match): Likewise.
+       (try_crossjump_to_edge): Use struct_equiv_block_eq
+       instead of flow_find_cross_jump.
+       * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
+       (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
+       (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
+       (STRUCT_EQUIV_MAX_LOCAL): Likewise.
+       (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
+       (insns_match_p): Update prototype.
+       (flow_find_cross_jump): Remove prototype.
+       (struct_equiv_block_eq, struct_equiv_init): Declare.
+       (rtx_equiv_p, condjump_equiv_p): Likewise.
+       * struct-equiv.c: Include reload.h.
+       (IMPOSSIBLE_MOVE_FACTOR): Define.
+       (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
+       (struct_equiv_improve_checkpoint): Likewise.
+       (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
+       (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
+       (struct_equiv_merge, find_dying_input): Likewise.
+       (resolve_input_conflict, note_local_live): Likewise.
+       (death_notes_match_p): Change parameters and processing
+       to match rtx_equiv_p machinery.  Change caller.
+       (insns_match_p): Likewise.
+       (flow_find_cross_jump): Replace with:
+       (struct_equiv_block_eq).
+
+       Back out this change:
+       2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
+         * recog.c (verify_changes): Make it static.
+         * recog.h: Remove the corresponding prototype.
+
+2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
+
+       * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
+       values.
+
+2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
+       (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
+       * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
+       TARGET_MS1_64_001 appropriately.
+       (ms1_machine_reorg): Use TARGET_MS2.
+
+2005-12-13  Jakub Jelinek  <jakub@redhat.com>
+
+       PR debug/25023
+       PR target/25293
+       * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
+       and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
+       Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
+       * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
+       Set mode to SI, adjust constraints.
+       (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
+       * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
+       32-bit code.
+
+2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
+
+       * c-cppbuiltin.c (builtin_define_float_constants): Add
+       fp_cast parameter, pass to builtin_define_with_hex_fp_value.
+       Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
+       (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
+       (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
+       to "((double)%sL)" otherwise "%s".
+
+2005-12-13  Paul Brook  <paul@codesourcery.com>
+
+       * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
+       apcs/atpcs.
+
+2005-12-11 Rafael vila de Espndola <rafael.espindola@gmail.com>
+
+       * tree-flow.h: Allow compilation with a C++ compiler.
+       (struct edge_prediction): Prefix all field names  with "ep_".
+       * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
+       (tree_predict_edge, combine_predictions_for_bb): Likewise.
+       (remove_predictions_associated_with_edge): Likewise.
+       
+2005-12-12  Jeff Law  <law@redhat.com>
+
+       * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
+       reassociation code.
+       * passes.c (init_optimization_passes): Run reassociation again
+       after loop optimizations.
+
+2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
+
+       * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
+       if necessary.
+       (optimize_stmt): Ditto.
+       (canonicalize_comparison): New function.
+       * tree-ssa-operands.c (swap_tree_operands): Make external.
+       (get_expr_operands): Stop auto-canonicalization.
+       * tree-ssa-reassoc.c: Rewrite.
+       (init_optimization_passes): 
+       * tree-flow.h (swap_tree_operands): Prototype.
+       * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
+
+2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+       * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
+       indicate function epilogue has been output.
+       (pa_asm_output_mi_thunk): Likewise.
+       (output_deferred_plabels): Put plabels in readonly data section when
+       not generating PIC code.
+       (som_output_text_section_asm_op): Use .NSUBSPA to output debug
+       information.  Add assert.
+       (som_output_comdat_data_section_asm_op): New function.
+       (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
+       instead of output_section_asm_op for COMDAT sections.
+
+2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
+
+       * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
+       Fix whitespace in vincinity of to-be-installed changes.
+       * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
+       (insns_match_p): Likewise.
+
+2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * config.gcc (ms1): Replace with ...
+       (mt): ... this.
+       * config/ms1: Rename to ...
+       * config/mt: ... here.  Rename ms1 files to mt.
+       * config/mt/mt.c: Adjust gt-mt.h #include.
+       * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
+       (crti.o, crtn.o): Adjust file names.
+
+2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
+
+       * varray.h: Allow compilation with a C++ compiler.
+       (union varray_data_tag): Prefix all field names with "vdt_".
+       (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
+       VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
+       VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
+       VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
+       VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
+       VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
+       (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
+       VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
+       VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
+       VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
+       VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
+       VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
+       VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
+       VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
+       (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
+       VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
+       VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
+       VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
+       VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
+       VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
+       VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
+       VARRAY_TOP_TREE_PTR): Likewise.
+       * varray.c (varray_grow): Likewise.
+       (varray_clear): Likewise.
+
+2005-12-12  Alan Modra  <amodra@bigpond.net.au>
+
+       PR target/25299
+       * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
+       alignment to doubleword if the first field is a double array.
+       * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
+
+2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
+
+       * tree-ssa-structalias.c (process_constraint): Remove code to
+       transform addressofs into scalar.
+       (create_variable_info_for): In whole-program IPA, globals don't
+       point to ANYTHING by default.
+
+2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
+
+       * timevar.def (TV_IPA_PTA): New.
+       * tree-pass.h (pass_ipa_pta): New
+       * tree-ssa-structalias.c: Include cgraph.h
+       (in_ipa_mode): New.
+       (predbitmap_obstack): New.
+       (EXECUTE_IF_IN_NONNULL_BITMAP): New.
+       (struct constraint_stats): Add num_edges.
+       (new_var_info): Don't call bitmap_clear.
+       (struct constraint_edge): Update docs.
+       (new_constraint_edge): Remove src param.
+       (struct constraint_graph): Add zero_weight_succs,
+       zero_weight_preds.  Update docs.
+       (constraint_expr_equal): Reformat.
+       (constraint_edge_equal): Update for removal of src.
+       (constraint_edge_less): Ditto.
+       (constraint_edge_vec_find): Ditto.
+       (erase_graph_self_edge): Update for removal of src and and zero
+       weight bitmap.
+       (clear_edges_for_node): Ditto.
+       (add_graph_edge): Ditto.
+       (get_graph_weights): Ditto.
+       (allocate_graph_weights): Ditto.
+       (merge_graph_nodes): Ditto.
+       (int_add_graph_edge): Ditto.
+       (valid_graph_edge): Ditto.
+       (valid_weighted_graph_edge): Ditto.
+       (build_constraint_graph): Ditto.
+       (scc_visit): Ditto.
+       (collapse_nodes): Ditto.
+       (process_unification_queue): Ditto.
+       (topo_visit): Ditto.
+       (solve_graph): Ditto.
+       (do_structure_copy): Ditto.
+       (perform_var_substitution): Ditto.
+       Init and release obstack.
+       (handle_ptr_arith): Try to resolve directly.
+       (find_func_aliases): Don't call update_alias_info here
+       Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
+       (do_sd_constraint): Add code for propagating faster.
+       Update.
+       (do_ds_constraint): Ditto.
+       (count_num_arguments): New function.
+       (create_function_info_for): Ditto.
+       (create_variable_info_for): Handle FUNCTION_DECL.
+       (intra_create_variable_infos): Use make_constraint_to_anything.
+       (init_alias_vars): Init obstacks here.
+       (need_to_solve): Handle zero weight graph changes.
+       (compute_points_to_sets): Call update_alias_info here.
+       (delete_points_to_sets): Free zero weight preds/succs here.
+       (gate_ipa_pta): New.
+       (ipa_pta_execute): New
+
+2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
+
+       * tree-ssa-structalias.c (var_anyoffset): Removed.
+       (anyoffset_tree): Ditto.
+       (anyoffset_id): Ditto.
+       (do_deref): Take vector of constraints, no return value.
+       Update to work on vector.                
+       (get_constraint_for): Ditto.
+       (get_constraint_for_component_ref): Ditto.
+       (do_structure_copy): Ditto.
+       (handle_ptr_arith): Ditto.
+       (find_func_aliases): Ditto.
+       (set_uids_in_ptset): Remove anyoffset handling.
+       (init_base_vars): Ditto.
+
+2005-12-10  Mark Mitchell  <mark@codesourcery.com>
+
+       PR c++/25010
+       * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
+       DECL_EXTERNAL functions have no bodies.  Tidy.
+
+2005-12-10  Andreas Schwab  <schwab@suse.de>
+
+       * except.c (switch_to_exception_section): Only define if
+       TARGET_UNWIND_INFO is not defined.
+
+2005-12-10  Richard Sandiford  <richard@codesourcery.com>
+
+       * config/darwin.h (HAS_INIT_SECTION): Remove definition.
+       (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
+
+2005-12-10  Richard Sandiford  <richard@codesourcery.com>
+
+       * output.h (init_section, fini_section): Delete.
+       * varasm.c (init_section, fini_section): Delete.
+       (init_varasm_once): Don't initialize them.
+       * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
+       there are no corresponding varasm.c variables.
+
+2005-12-10  Richard Sandiford  <richard@codesourcery.com>
+
+       * dwarf2out.c (default_eh_frame_section): Delete, moving handling
+       of EH_FRAME_SECTION_NAME into...
+       (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
+       if it is still null.
+       * except.c (default_exception_section): Delete, moving most
+       of the code to...
+       (switch_to_exception_section): ...this new function.  Set
+       exception_section if it is still null, then switch to it.
+       (output_function_exception_table): Use switch_to_exception_section.
+       * varasm.c (exception_section, eh_frame_section): Update comments.
+       (get_section): Hoist use of SECTION_NAMED.
+       (init_varasm_once): Don't set exception_section and eh_frame_section.
+       * output.h (default_exception_section): Delete.
+       (default_eh_frame_section): Delete.
+
+2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
+
+       * config/bfin/bfin.c: Include "cgraph.h".
+       (bfin_load_pic_reg): Omit loading pic reg if in a local function.
+       Return the reg that holds the pointer to the GOT.
+       (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
+       doing stack checking.
+
+2005-12-09  Diego Novillo  <dnovillo@redhat.com>
+
+       * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
+       recompute_tree_invarant_for_addr_expr.
+       Update uses everywhere.
+
+2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
+
+       * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
+       (MULTILIB_DIRNAMES): Define.
+
+2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
+
+       PR target/25311
+       * config/s390/s390.c (struct s390_address): New field literal_pool.
+       (s390_decompose_address): Compute literal_pool field.  Do not 
+       assume register %r13 is always (and solely) used as pool base.
+       (s390_extra_constraint_str): Use literal_pool field.
+
+2005-12-09  Thiemo Seufer  <ths@networkno.de>
+
+       * config/mips/mips.c (override_options): Don't allow too small
+       integers in FP registers.
+
+2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
+
+       * config/s390/s390.c (s390_function_ok_for_sibcall): Use
+       targetm.binds_local_p to check for local function calls.
+
+2005-12-09  Alan Modra  <amodra@bigpond.net.au>
+
+       PR debug/24908
+       * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
+       call_used_regs can't be used to save reg in another reg.
+
+2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
+           Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
+
+       * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
+       abort.
+       * except.c (output_ttype): Likewise.
+       * tree-object-size.c (collect_object_sizes_for): Likewise.
+       (check_for_plus_in_loops_1): Likewise.
+       (check_for_plus_in_loops): Likewise.
+       (compute_object_sizes): Use gcc_unreachable instead of abort.
+
+2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
+       (loop_end, loop_init, doloop_end): New insns.
+       * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
+       (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
+       (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
+       (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
+       * config/ms1/ms1.c: #include basic-block.h
+       (struct machine_function): Add has_loops field.
+       (ms1_add_loop): New.
+       (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
+       (struct loop_info, struct loop_work): New.
+       (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
+       (ms1_reorg_loops): New loop optimization.
+       (ms1_machine_reorg): Call it.
+       * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
+
+2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
+
+       PR tree-optimization/25248
+       * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
+       evolution_of_loop from the failed attempt.  Remove handling
+       of MULT_EXPR.
+
+2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
+
+       * tree.h (DECL_EXTERNAL): Clarify documentation.
+
+2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
+           Jakub Jelinek  <jakub@redhat.com>
+
+       PR target/25268
+       * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
+       argument.  Don't drop outer ANDs.
+       (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
+       * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
+       prototype.
+       * config/s390/predicates.md (setmem_operand): Remove.
+       (shift_count_operand): Rename to...
+       (shift_count_or_setmem_operand): ... this.  Adjust
+       s390_decompose_shift_count caller.
+       * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
+       ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
+       ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
+       <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
+       rotl<mode>3_and, setmem_long_and): New insns.
+       (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
+       ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
+       <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
+       <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
+       of shift_count_operand.
+       (setmem_long): Use shift_count_or_setmem_operand instead of
+       setmem_operand.
+
+2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
+           Andreas Tobler  <a.tobler@schweiz.ch>
+
+       * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
+       tr expression.
+
+2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
+
+       * expr.c (force_operand): Use convert_to_mode for conversions.
+
+2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
+
+       * reload.h (reg_equiv_invariant): Declare.
+       * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
+       register also when reg_equiv_invariant[R] is set.
+
+2005-12-07  Richard Sandiford  <richard@codesourcery.com>
+           Andreas Tobler  <a.tobler@schweiz.ch>
+
+       * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
+
+2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
+
+       * tree-ssa-pre.c (bitmap_set_and): New function.
+       (bitmap_set_and_compl): New function.
+       (bitmap_set_empty_p): New function.
+       (insert_extra_phis): New function.
+       (compute_avail): Use insert_extra_phis.
+
+2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
+
+       * config/s390/s390.c (s390_expand_atomic): New function.
+       Adjust comment of helper functions.
+       * config/s390/s390-protos.h (s390_expand_atomic): Declare.
+       * config/s390/s390.md ("ATOMIC"): New code macro.
+       ("atomic"): Corresponding new code attribute.
+       ("sync_lock_test_and_set[hq]i", 
+       "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
+
+2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
+
+       * config/s390/s390.c (s390_expand_mask_and_shift, 
+       struct alignment_context, init_alignment_context, 
+       s390_expand_cs_hqi): New.
+       * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
+       * config/s390/s390.md ("sync_compare_and_swaphi",
+       "sync_compare_and_swapqi"): New pattern.
+
+2005-12-07  Daniel Berlin <dberlin@dberlin.org>
+
+       Fix PR tree-optimization/25291
+       * tree-ssa-operands.c (add_call_clobber_ops): Remove
+       redundant and crashing check.
+
+2005-12-08  Alan Modra  <amodra@bigpond.net.au>
+
+       PR target/25212
+       * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
+       tests further when !strict && reload_in_progress.
+       (print_operand): Check that both operands of indexed address are regs.
+       (print_operand_address): Likewise.
+       * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
+       (INT_REG_OK_FOR_BASE_P): Correct.
+
+2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
+
+       Preparation for PR rtl-optimization/20070 / part1
+       * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
+       * cfgcleanup.c (condjump_equiv_p): New function, broken out of
+       outgoing_edges_match.
+       (outgoing_edges_match): Use condjump_equiv_p.
+       (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
+       into..
+       * struct-equiv.c: New file.
+       (death_notes_match_p) New function, broken out of insns_match_p.
+       * Makefile.in (OBJS-common): Add struct-equiv.o.
+       (struct-equiv.o): New target.
+
+2005-12-07  Richard Sandiford  <richard@codesourcery.com>
+
+       * coretypes.h: Revert previous change.
+       * config/darwin.h: Revert previous reversion.
+       * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
+
+2005-12-07  Richard Sandiford  <richard@codesourcery.com>
+
+       * coretypes.h (section): Provide dummy definition for target files.
+       * config/darwin.h: Revert previous change.
+
+2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
+
+       * doc/sourcebuild.texi (all.build, install-normal): Remove.
+       * configure.ac: Remove all.build and install-normal from target_list
+       * configure: Regenerate.
+       * Makefile.in (install): Don't depend on install-normal.
+
+2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
+
+       * Makefile.in: Document the use of stamps.
+
+2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
+
+       * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
+       * Makefile.in: Add code to compute some dependencies on s-gtype
+       automatically.  Remove the declaration of those dependencies.
+
+2005-12-07  Richard Sandiford  <richard@codesourcery.com>
+
+       * gcc/reload.c (push_secondary_reload): Fix typo:
+       s/insn_constraint/scratch_constraint/.
+
+2005-12-07  Richard Sandiford  <richard@codesourcery.com>
+
+       * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
+
+2005-12-07  Richard Sandiford  <richard@codesourcery.com>
+
+       * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
+       (alpha_elf_select_rtx_section): Return the selected section rather
+       than emitting assembly code.
+       (alpha_write_linkage): Emit a ".link" directive directly and then
+       set in_section to NULL.
+       (vms_asm_out_constructor): Use switch_to_section.
+       (vms_asm_out_destructor): Likewise.
+       (unicosmk_output_common): Set in_section to NULL instead of calling
+       the dummy common_section function.
+       (unicosmk_text_section): Delete in favor of...
+       (unicosmk_output_text_section_asm_op): ...this new function.
+       (unicosmk_data_section): Delete in favor of...
+       (unicosmk_output_data_section_asm_op): ...this new function.
+       (unicosmk_init_sections): New function.
+       (unicosmk_output_deferred_case_vectors): Use switch_to_section.
+       (unicosmk_output_ssib): Set in_section to NULL instead of calling
+       the dummy ssib_section function.
+       (unicosmk_section_buf): Delete.
+       * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
+       (unicosmk_data_section): Delete.
+       * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
+       (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
+       (SECTION_FUNCTION_TEMPLATE): Delete.
+       * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
+       (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
+       (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
+       (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
+       (TARGET_ASM_INIT_SECTIONS): Define.
+       * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
+       (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
+       (link_section, literals_section): Delete.
+       (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
+       set in_section to NULL.
+
+       * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
+       (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
+       (COMMON_SECTION): Delete.
+       (TARGET_ASM_INIT_SECTIONS): Define.
+       (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
+       the dummy common_section function.
+       * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
+       * config/arm/arm.c (get_jump_table_size): Use pointer comparison
+       between readonly_data_section and text_section to check whether
+       read-only data is being put in the text section.
+       (arm_output_function_epilogue): Use switch_to_section.
+       (arm_elf_asm_constructor): Likewise.
+       (thumb_call_via_reg): Replace call to in_text_section with
+       a comparison between in_section and text_section.
+       (arm_file_end): Use switch_to_section.
+       (aof_text_section): Delete in favor of...
+       (aof_output_text_section_asm_op): ...this new function.
+       (aof_data_section): Delete in favor of...
+       (aof_output_data_section_asm_op): ...this new function.
+       (aof_asm_init_sections): New function.
+       (zero_init_section): Moved from config/arm/aof.h.
+       (aof_dump_imports, aof_file_start): Use switch_to_section.
+       * config/arm/arm.h (thumb_call_via_label): Update comment.
+       * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
+       (common_section): Delete.
+       * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
+       (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
+       global switch_to_section function instead of the old port-local one.
+       (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
+       (SWITCH_TO_SECTION_FUNCTION): Delete.
+       (drectve_section): Redefine as a macro.
+       * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
+       (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
+       switch_to_section.
+
+       * config/avr/avr.c (progmem_section): New variable.
+       (avr_output_progmem_section_asm_op): New function.
+       (avr_asm_init_sections): New function.
+       (avr_output_addr_vec_elt): Use switch_to_section.
+       * config/avr/avr.h (progmem_section): Declare.
+       (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
+       (READONLY_DATA_SECTION): Delete.
+       (TARGET_ASM_INIT_SECTIONS): Define.
+       (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
+       * config/avr/avr-protos.h (progmem_section): Delete.
+
+       * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
+
+       * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
+       (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
+
+       * config/darwin-sections.def: New file.
+       * config/darwin.c: Define all sections in darwin-sections.def.
+       (output_objc_section_asm_op, darwin_init_sections): New functions.
+       (machopic_output_indirection): Use switch_to_section.
+       (machopic_select_section): Return the selected section rather than
+       emitting assembly code.  Replace the static function table with
+       inline conditional expressions.  Update the tests of last_text_section
+       and move them into the FUNCTION_DECL block.
+       (machopic_select_rtx_section): Return the selected section rather than
+       emitting assembly code.
+       (machopic_asm_out_constructor, machopic_asm_out_destructor)
+       (darwin_file_end): Use switch_to_section.
+       * config/darwin.h: Use darwin-sections.def to declare sections.
+       (INIT_SECTION_ASM_OP): Remove empty definition.
+       (HAS_INIT_SECTION): Define this instead.
+       (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
+       (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
+       (TARGET_ASM_EH_FRAME_SECTION): Delete.
+       (TARGET_ASM_INIT_SECTIONS): Define.
+       * config/darwin-protos.h (darwin_init_sections): Declare.
+       (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
+       (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
+       (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
+       (constructor_section, destructor_section, mod_init_section): Delete.
+       (mod_term_section): Delete.
+       (darwin_exception_section, darwin_eh_frame_section): Delete.
+       (machopic_select_section): Return a section.
+       (machopic_select_rtx_section): Likewise.
+       (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
+       (const_section, const_coal_section, const_data_section): Delete.
+       (const_data_coal_section, data_coal_section, cstring_section): Delete.
+       (literal4_section, literal8_section, constructor_section): Delete.
+       (mod_init_section, mod_term_section, destructor_section): Delete.
+       (objc_class_section, objc_meta_class_section, objc_category_section)
+       (objc_class_vars_section, objc_instance_vars_section): Delete.
+       (objc_cls_meth_section, objc_inst_meth_section): Delete.
+       (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
+       (objc_selector_refs_section, objc_selector_fixup_section): Delete.
+       (objc_symbols_section, objc_module_info_section): Delete.
+       (objc_image_info_section, objc_protocol_section): Delete.
+       (objc_string_object_section, objc_constant_string_object_section)
+       (objc_class_names_section, objc_meth_var_names_section): Delete.
+       (objc_meth_var_types_section, objc_cls_refs_section): Delete.
+       (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
+       (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
+       (darwin_exception_section, darwin_eh_frame_section): Delete.
+       * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
+
+       * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
+       (frv_asm_out_destructor): Likewise.
+       * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
+       (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
+       (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
+       get_named_section.
+       (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
+       * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
+       (data_section): Delete.
+
+       * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
+       (DRECTVE_SECTION_FUNCTION): Delete.
+       (drectve_section): Redefine as a macro that sets in_section after
+       emitting the directive.
+       (SWITCH_TO_SECTION_FUNCTION): Delete.
+       * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
+       in_text_section with comparison between in_section and text_section.
+       * config/i386/i386.c (x86_64_elf_select_section): Return the section
+       rather than emitting assembly code.  Use get_named_section.
+       (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
+       get_named_section.
+       (machopic_output_stub): Use switch_to_section.
+       * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
+       (nwld_named_section_asm_out_destructor): Use get_section and
+       switch_to_section.
+
+       * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
+       rather than emitting assembly code.
+       (ia64_rwreloc_select_section): Likewise.
+       (ia64_rwreloc_select_rtx_section): Likewise.
+       * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
+       * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
+       switch_to_section.
+       (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
+       (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
+
+       * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
+       section rather than emitting assembly code.
+       (iq2000_select_section): Likewise.
+       * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
+       (sbss_section): Delete.
+
+       * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
+       and get_named_section.
+       * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
+
+       * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
+       (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
+       (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
+       (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
+       in_section to NULL.
+       (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
+       (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
+       global switch_to_section function instead of the old port-local one.
+       * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
+       (SWITCH_SECTION_FUNCTION): Delete.
+       * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
+       (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
+       (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
+       (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
+       in_section to NULL.
+       (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
+       global switch_to_section function instead of the old port-local one.
+       (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
+
+       * config/mips/mips.c (mips_file_start): Update comment.
+       (mips_output_aligned_bss): Use switch_to_section and get_named_section.
+       (mips_output_aligned_decl_common): Use switch_to_section.
+       (mips_select_rtx_section): Return the section rather than emitting
+       assembly code.  Use get_named_section.
+       (mips_function_rodata_section: Likewise get_section.
+       (build_mips16_function_stub): Use switch_to_section.
+       * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
+       (SDATA_SECTION_ASM_OP): Delete.
+       * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
+       (EXTRA_SECTION_FUNCTIONS): Delete.
+
+       * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
+       (mmix_asm_output_aligned_local): Use switch_to_section.
+
+       * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
+       (som_one_only_readonly_data_section): New variables.
+       (pa_output_function_epilogue): Set in_section to NULL instead of
+       calling forget_section.
+       (output_deferred_plabels): Use select_section.
+       (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
+       of calling forget_section.
+       (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
+       (pa_asm_output_aligned_local): Use select_section.
+       (som_text_section_asm_op): Delete in favor of...
+       (som_output_text_section_asm_op): ...this new function.
+       (pa_som_asm_init_sections): New function.
+       (pa_select_section): Return the section rather than emitting
+       assembly code.
+       * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
+       (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
+       (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
+       (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
+       * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
+       (som_readonly_data_section, som_one_only_readonly_data_section)
+       (som_one_only_data_section, forget_section): Delete.
+       * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
+       (TARGET_ASM_INIT_SECTIONS): Define.
+       (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
+
+       * config/rs6000/rs6000.c (read_only_data_section): New variable.
+       (private_data_section, read_only_private_data_section): New variables.
+       (sdata2_section, toc_section): New variables.
+       (rs6000_file_start): Use switch_to_section.
+       (rs6000_assemble_integer): Use comparisons against in_section
+       instead of calling in_toc_section and in_text_section.  Use
+       unlikely_text_section_p.
+       (rs6000_elf_output_toc_section_asm_op): New function, derived
+       from the old rs6000/sysv4.h toc_section function.
+       (rs6000_elf_asm_init_sections): New function.
+       (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
+       the section rather than emitting assembly code.
+       (machopic_output_stub): Use switch_to_section.
+       (toc_section): Delete dummy function.
+       (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
+       switch_to_section and get_section.
+       (rs6000_xcoff_output_readonly_section_asm_op): New function.
+       (rs6000_xcoff_output_readwrite_section_asm_op): New function.
+       (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
+       the old rs6000/xcoff.h toc_section function.
+       (rs6000_xcoff_asm_init_sections): New function.
+       (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
+       the section rather than emitting assembly code.
+       (rs6000_xcoff_file_start): Use switch_to_section.
+       (rs6000_xcoff_file_end): Likewise.
+       * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
+       (sdata2_section, sbss_section, private_data_section): Delete.
+       (read_only_data_section, read_only_private_data_section): Delete.
+       * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
+       (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
+       (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
+       (FINI_SECTION_FUNCTION): Delete.
+       (TARGET_ASM_INIT_SECTIONS): Define.
+       (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
+       * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
+       (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
+       (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
+       (READONLY_DATA_SECTION): Delete.
+       (TARGET_ASM_INIT_SECTIONS): Define.
+       (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
+       to NULL rather than no_section.
+       (TARGET_ASM_EXCEPTION_SECTION): Delete.
+
+       * config/sh/sh.c (sh_file_start): Use switch_to_section.
+
+       * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
+       (sparc_output_deferred_case_vectors): Likewise.  Remove argument
+       from call to current_function_section.
+
+       * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
+       (bss100_section): New variable.
+       (xstormy16_asm_output_aligned_common): Use switch_to_section.
+       (xstormy16_asm_init_sections): New function.
+       (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
+       switch_to_section and get_section.
+       (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
+       from calls to current_function_section.
+       * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
+       (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
+       (TARGET_ASM_INIT_SECTIONS): Define.
+       * config/stormy16/stormy16-protos.h (bss100_section): Delete.
+
+       * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
+       (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
+       (FINI_SECTION_FUNCTION): Delete.
+
+       * config/v850/v850.c: Include gt-v850.h.
+       (rosdata_section, rozdata_section, tdata_section, zdata_section)
+       (zbss_section): New variables.
+       (v850_output_aligned_bss): Use switch_to_section.
+       (v850_asm_init_sections): New function.
+       (v850_select_section): Return the section rather than emitting
+       assembly code.
+       * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
+       (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
+       (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
+       (TARGET_ASM_INIT_SECTIONS): Define.
+       * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
+       (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
+       (zbss_section): Delete.
+
+       * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
+
+       * config/vx-common.h (vxworks_exception_section): Delete.
+       (TARGET_ASM_EXCEPTION_SECTION): Delete.
+
+       * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
+       section rather than emitting assembly code.
+       * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
+       switch_to_section.
+
+       * Makefile.in (GTFILES): Add $(srcdir)/output.h.
+       * coretypes.h (section): New union and typedef.
+       * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
+       from call to current_function_section.
+       (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
+       (dbxout_symbol_location): Use switch_to_section.
+       * dwarf2out.c (named_section_eh_frame_section): Delete, moving
+       most of the code into...
+       (default_eh_frame_section): ...here.  Return a section.
+       (collect2_eh_frame_section): Delete, moving most of the code into..
+       (switch_to_eh_frame_section): ...this new function.
+       (debug_info_section, debug_abbrev_section, debug_aranges_section)
+       (debug_macinfo_section, debug_line_section, debug_loc_section)
+       (debug_pubnames_section, debug_str_section, debug_ranges_section): New
+       variables.
+       (output_call_frame_info): Call switch_to_eh_frame_section instead of
+       eh_frame_section.  Use switch_to_section and get_section.
+       (dwarf2out_begin_prologue): Use switch_to_section.
+       (AT_string_form): Check the flags in debug_str_section instead of
+       DEBUG_STR_SECTION_FLAGS.
+       (output_comp_unit): Use switch_to_section, get_section, and
+       debug_info_section.
+       (output_line_info, secname_for_decl): Use unlikely_text_section_p.
+       (dwarf2out_begin_block): Use switch_to_section.  Remove argument
+       from call to current_function_section.
+       (dwarf2out_var_location): Use unlikely_text_section_p.
+       (dwarf2out_source_line): Use switch_to_section.  Remove argument
+       from call to current_function_section.
+       (dwarf2out_start_source_file, dwarf2out_end_source_file)
+       (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
+       debug_macinfo_section.
+       (dwarf2out_init): Initialize the new section variables.  Use them
+       instead of calls to named_section_flags.  Use switch_to_section.
+       (output_indirect_string): Use switch_to_section and debug_str_section.
+       (dwarf2out_finish): Use switch_to_section and the new section
+       variables.
+       * except.c (default_exception_section): Return the section instead
+       of emitting assembly code.
+       (output_function_exception_table): Use the global exception_section
+       variable instead of the target hook.  Use switch_to_section.  Remove
+       argument from call to current_function_section.
+       * final.c (HAVE_READONLY_DATA_SECTION): Delete.
+       (shorten_branches): Use pointer comparisons to detect whether the
+       text section is the same as readonly_data_section.
+       (profile_function): Use switch_to_section.  Remove argument from
+       call to current_function_section.
+       (final_scan_insn): Likewise.  Update use of last_text_section.
+       * gengtype.c (open_base_files): Add an include of output.h.
+       * output.h (text_section, data_section, readonly_data_section)
+       (ctors_section, dtors_section, bss_section, init_section)
+       (fini_section, sdata_section): Turn into section pointers.
+       (in_text_section, in_unlikely_text_section, exports_section)
+       (drectve_section, named_section, mergeable_string_section)
+       (last_text_section_name): Delete.
+       (default_exception_section, default_eh_frame_section): Return sections.
+       (SECTION_DECLARED, SECTION_NAMED): New macros.
+       (SECTION_MACH_DEP): Bump value.
+       (section_common, named_section, unnamed_section): New structures.
+       (unnamed_section_callback): New typedef.
+       (section): New union.
+       (sbss_section, exception_section, eh_frame_section): New variables.
+       (in_section, last_text_section): Turn into section pointers.
+       (get_unnamed_section, get_section, get_named_section): New functions.
+       (mergeable_constant_section, function_section): Return a section.
+       (unlikely_text_section): Likewise.
+       (current_function_section): Likewise.  Remove the decl argument.
+       (unlikely_text_section_p, switch_to_section): New functions.
+       (output_section_asm_op): New function.
+       (set_named_section_flags, named_section_flags, named_section_real)
+       (named_section_first_declaration): Delete.
+       (default_select_section, default_elf_select_section): Return a section.
+       (default_elf_select_section_1, default_function_rodata_section)
+       (default_no_function_rodata_section, default_select_rtx_section)
+       (default_elf_select_rtx_section): Likewise.
+       * rtl.h (in_data_section): Delete.
+       * sdbout.c (sdbout_one_type): Use switch_to_section.
+       * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
+       (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
+       (TARGET_ASM_EH_FRAME_SECTION): Poison.
+       * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
+       (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
+       (TARGET_ASM_OUT): Update after above changes.
+       * target.h (init_sections): New hook.
+       (exception_section, eh_frame_section): Delete.
+       (select_section, select_rtx_section, function_rodata_section): Return
+       a section rather than emitting assembly code.
+       * varasm.c (text_section, data_section, readonly_data_section)
+       (ctors_section, dtors_section, bss_section, init_section)
+       (fini_section): Turn into section pointers.
+       (sdata_section, sbss_section, exception_section): New variables.
+       (eh_frame_section): New variable.
+       (in_section): Make global and turn into a section pointer.
+       (last_text_section): Turn into a section pointer.
+       (unnamed_sections): New variable.
+       (in_named_name, last_text_section_name): Delete.
+       (EXTRA_SECTION_FUNCTIONS): Delete.
+       (in_named_entry): Delete.
+       (section_htab): New variable, replacing...
+       (in_named_htab): ...this deleted variable.
+       (section_entry_eq, section_entry_hash): New functions, based on...
+       (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
+       (get_unnamed_section, get_section): New functions.
+       (unlikely_text_section): Return a section instead of emitting
+       assembly code.
+       (in_text_section, in_unlikely_text_section, in_data_section): Delete.
+       (get_named_section_flags, named_section_first_declaration): Delete.
+       (unlikely_text_section_p): New function.
+       (named_section_real, named_section): Delete.
+       (get_named_section): New function.
+       (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
+       (function_section): Return a section rather than emitting
+       assembly code.
+       (current_function_section): Likewise.  Remove argument.  Use
+       last_text_section if nonnull, otherwise use function_section.
+       (default_function_rodata_section): Return a section rather than
+       emitting assembly code.  Use get_section.
+       (default_no_function_rodata_section): Return a section rather than
+       emitting assembly code.
+       (variable_section): Use switch_to_section and get_named_section.
+       (mergeable_string_section): Return a section rather than emitting
+       assembly code.  Use get_section.  Make static.  Don't take special
+       countermeasures for empty strings.
+       (mergeable_constant_section): Return a section rather than emitting
+       assembly code.  Use get_section.
+       (default_named_section_asm_out_destructor): Use switch_to_section
+       and get_section.
+       (default_dtor_section_asm_out_destructor): Use switch_to_section.
+       (default_named_section_asm_out_constructor): Use switch_to_section
+       and get_section.
+       (default_ctor_section_asm_out_constructor): Use switch_to_section.
+       (assemble_start_function): Likewise.  Set last_text_section to
+       NULL rather than no_section.  Change the type of save_section.
+       (assemble_zeros, assemble_variable): Use the section flags to detect
+       whether or not a section is text.
+       (assemble_static_space): Use switch_to_section.
+       (assemble_trampoline_template): Likewise.
+       (output_constant_def_contents): Use switch_to_section and
+       get_named_section.
+       (output_constant_pool_1): Use switch_to_section.  Use the section
+       flags to see whether sections contain mergeable data.
+       (init_varasm_once): Initialize section_htab instead of in_named_htab.
+       Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
+       (default_elf_asm_named_section): Use SECTION_DECLARED to detect
+       whether a section has already been declared.
+       (default_select_section, default_elf_select_section): Return a
+       section rather than emitting assembly code.
+       (default_elf_select_section_1): Likewise.  Use bss_section for
+       SECCAT_BSS if nonnull.  Use get_named_section.
+       (default_select_rtx_section): Return a section rather than
+       emitting assembly code.
+       (default_elf_select_rtx_section): Likewise.  Use get_named_section.
+       (file_end_indicate_exec_stack): Use switch_to_section and get_section.
+       (output_section_asm_op, switch_to_section): New functions.
+       * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
+       get_named_section.
+
+       * doc/tm.texi: Expand the introduction to the sections documentation.
+       (TRAMPOLINE_SECTION): Document new interface.
+       (SDATA_SECTION_ASM_OP): Document new macro.
+       (READONLY_DATA_SECTION): Delete.
+       (SDATA_SECTION_ASM_OP): Document new macro.
+       (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
+       (TARGET_ASM_INIT_SECTIONS): Document new hook.
+       (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
+       (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
+       (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
+
+2005-12-07  Alan Modra  <amodra@bigpond.net.au>
+
+       * gcc.c (init_gcc_specs): Match braces inside conditionally
+       compiled strings.
+
+2005-12-06  Geoffrey Keating  <geoffk@apple.com>
+
+       * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
+
+2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
+
+       PR C++/24138
+       * tree.c (integer_all_onesp): Always return true if all bits on.
+
+       * testsuite/g++.dg/init/array0.C: New.
+
+2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
+
+       * doc/md.texi: Adapt to implementation.
+
+2005-12-06  Andreas Schwab  <schwab@suse.de>
+
+       * opts.c (decode_options): Fix typo in message.
+
+2005-12-06  Alan Modra  <amodra@bigpond.net.au>
+
+       PR other/13873
+       * longlong.h: Merge PPC tests from upstream.
+
+2005-12-06  Richard Guenther  <rguenther@suse.de>
+
+       * fold-const.c (fold_convert): Do not build and fold
+       CONVERT_EXPR, but always use NOP_EXPR.
+
+2005-12-06  Jan Beulich  <jbeulich@novell.com>
+
+       * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
+       __builtin_ia32_paddq and __builtin_ia32_psubq.
+       (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
+       __builtin_ia32_pshufw.
+       * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
+
+2005-12-05  James E Wilson  <wilson@specifix.com>
+
+       PR target/24934
+       * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
+       is set.
+
+2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
+       
+       * print-tree.c (print_node): Ditto.
+       * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
+       * tree-dump.c (dequeue_and_dump): Check for decl_common structure
+       before accessing DECL_ARTIFICIAL. 
+       Handle new tag tree codes.
+       * tree-flow-inline.h (clear_call_clobbered): Update for tag
+       changes.
+       (unmodifiable_var_p): Ditto.
+       * tree-flow.h (mem_tag_kind): Remove.
+       (struct var_ann_d): Remove mem_tag_kind member.
+       * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
+       * tree-pretty-print.c (dump_generic_node): Handle memory tags.
+       * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
+       (group_aliases): Ditto.
+       (setup_pointers_and_addressables): Ditto.
+       (is_escape_site): Ditto.                                          
+       (may_alias_p): Ditto.
+       (create_tag_raw): New function.
+       (create_memory_tag): Use it.
+       (dump_alias_info): Update for tags.
+       (may_be_aliased): Ditto.
+       (add_type_alias): Ditto.
+       (new_type_alias): Ditto.
+       (create_sft): Ditto.
+       (create_structure_vars): Ditto.
+       * tree-ssa-ccp.c (get_default_value): Ditto.
+       * tree-ssa-operands.c (get_expr_operands): Ditto.
+       (add_stmt_operand): Ditto.
+       (add_call_clobber_ops): Remove duplicated condition.
+       * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
+       tags.
+       * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
+       * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
+       * tree.c (init_ttree): Update structures for new tree codes.
+       (tree_code_size): Update sizes for new tree codes.
+       (make_node_stat): Don't try to set common things on minimal
+       structures.
+       (tree_node_structure): Update for tags.
+       (is_global_var): Ditto.
+       * tree.def: Add new tree codes.
+       * tree.h (MTAG_P): New macro.
+       (TREE_MEMORY_TAG_CHECK): Ditto.
+       (SSA_VAR_P): Update for tags.
+       (struct tree_memory_tag): New structure.
+       (MTAG_GLOBAL): New macro.
+       (union tree_node): Add memory tag member.
+       * treestruct.def (TS_MEMORY_TAG): New.
+       
+2005-12-05  Dale Johannesen  <dalej@apple.com>
+
+       * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
+       what was approved (PR 24323).
+
+2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
+
+       * doc/c-tree.texi (Function Bodies): Remove description of
+       RETURN_INIT.
+
+2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
+
+       * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
+       __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
+       __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
+       __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
+       __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
+       __divxc3): Document.
+
+2005-12-05  Geoffrey Keating  <geoffk@apple.com>
+
+       * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
+       previous behaviour.
+       * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
+       hook_bool_void_false.
+       (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
+       * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
+
+       * config/darwin.c (machopic_select_section): It's not defined
+       as weak if it's only marked as weak_import.
+       
+       * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
+       Prototype.
+
+       * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
+       A hidden weak object does bind locally.  Strong linkonce data
+       counts like any other strong symbol for binding.
+       (weak_finish_1): Don't specially handle weakrefs, they no longer
+       arrive here.
+       (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
+       * c-common.c (handle_alias_attribute): Allow static aliases
+       of variables.
+       (handle_weakref_attribute): Don't call declare_weak on weakrefs.
+       * gthr-dce.h: Make weakrefs static.
+       * gthr-tpf.h: Likewise.
+       * gthr-solaris.h: Likewise.
+       * gthr-posix.h: Likewise.
+       * gthr-posix95.h: Likewise.
+       * config/darwin.c (darwin_encode_section_info): static weakref
+       variables are not necessarily defined in this translation unit.
+       * doc/extend.texi (Function Attributes): Mention that an alias
+       attribute creates a definition for the thing it's attached to.
+       Change the documentation for weakref to say that the thing
+       it's attached to must be static.
+
+       * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
+       we don't go into an infinite loop.
+
+2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
+
+       * config/rs6000/predicates.md (logical_const_operand): Split
+       out of logical_operand.
+       (logical_operand): Use it.
+       * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
+       logical_const_operand.
+
+2005-12-05  Jan Beulich  <jbeulich@novell.com>
+
+       * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
+       and IX86_BUILTIN_CMPNESS.
+       (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
+       * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
+       * config/i386/i386.md (movti_internal): Correct type attribute.
+       Simplify mode attribute.
+       (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
+       Correct type attribute.
+       (absxf2): Correct operator.
+       * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
+       movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
+       * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
+       mode attribute.
+       (sse2_vmsqrtv2df2): Correct mode attribute.
+
+2005-12-05  Jan Beulich  <jbeulich@novell.com>
+
+       * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
+       16 bits. Provide insn pattern for this case.
+
+2005-12-05  Jan Beulich  <jbeulich@novell.com>
+
+       * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
+       result.
+       (__popcountDI2): Likewise.
+
+2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+       PR target/25166
+       * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
+       _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
+       * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
+       functions.
+
+2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
+
+       * c-typeck.c (null_pointer_constant_p): New function.
+       (build_conditional_expr, build_c_cast, convert_for_assignment,
+       build_binary_op): Use it.
+
+2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
+
+       * c-common.c (binary_op_error): Do not allow NOP_EXPR.
+       (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
+       CONVERT_EXPR.
+       (check_function_arguments_recurse): Allow both NOP_EXPR and
+       CONVERT_EXPR but check conversions preserve precision.
+       * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
+       but check conversions preserve precision.
+       (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
+       default case.
+
+2005-12-04  Roger Sayle  <roger@eyesopen.com>
+
+       PR c/7776
+       * common.opt (Wstring-literal-comparison): New command line option.
+       * c-opts.c (c_common_handle_option): Set it with -Wall.
+       * c-typeck.c (parser_build_binary_op): Issue warning if either
+       operand of a comparison operator is a string literal, except for
+       testing equality or inequality against NULL.
+
+       * doc/invoke.texi: Document new -Wstring-literal-comparison option.
+
+2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
+
+       * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
+       of building a NOP_EXPR.
+       (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
+       NOP_EXPR.
+       * c-convert.c (convert): Use fold_convert instead of building
+       NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
+       c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
+       #if 0 code.
+       * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
+       NOP_EXPR the same as CONVERT_EXPR.
+       * c-typeck.c (build_function_call): Use fold_convert instead of
+       building a NOP_EXPR directly.
+       (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
+
+2005-12-03  Alan Modra  <amodra@bigpond.net.au>
+
+       PR rtl-optimization/25197
+       * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
+       have a reg.
+
+2005-12-02  Stuart Hastings  <stuart@apple.com>
+
+       * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
+       warning.
+
+2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
+
+       * c-typeck.c (default_function_array_conversion,
+       build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
+       (build_conditional_expr): Apply integer_zerop to orig_op1 and
+       orig_op2.  Don't check them for NOP_EXPR.
+       (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
+       around integer zero.
+
+2005-12-03  Alan Modra  <amodra@bigpond.net.au>
+
+       * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
+       toc_save_offset, toc_size, lr_size.
+       (rs6000_stack_info): Use memset rather than bss struct copy to init.
+       Test rs6000_ra_ever_killed last in condition setting lr_save_p.
+       Adjust for removal of unused rs6000_stack_t fields.
+       (debug_stack_info): Adjust.
+       (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
+       first, and don't bother checking for set/inc of lr on sibcalls.
+       (rs6000_emit_epilogue): Tidy code restoring stack pointer.
+
+2005-12-02  Jakub Jelinek  <jakub@redhat.com>
+
+       PR target/25199
+       * config/i386/i386.md (movqi_1): Only force imovx for alternative
+       5 if operand 1 is not aligned.  Undo previous constraint change.
+       * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
+
+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
+       from T_REGS to FP register class.
+
+2005-10-03  Richard Henderson  <rth@redhat.com>
+
+       PR 24135
+       * tree-nested.c (convert_nl_goto_reference): Lookup a translation
+       before creating a new one.
+
+2005-10-03  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/t-aix43 (LDFLAGS): New.
+       * config/rs6000/t-aix52 (LDFLAGS): New.
+
+2005-10-03  Ian Lance Taylor  <ian@airs.com>
+
+       * gimplify.c (find_single_pointer_decl_1): New static function.
+       (find_single_pointer_decl): New static function.
+       (internal_get_tmp_var): For a formal variable, set restrict base
+       information if appropriate.
+       * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
+       return it.
+       * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
+       (DECL_GET_RESTRICT_BASE): Define.
+       (SET_DECL_RESTRICT_BASE): Define.
+       (decl_restrict_base_lookup): Declare.
+       (decl_restrict_base_insert): Declare.
+       (struct tree_decl_with_vis): Add based_on_restrict_p field.
+       * tree.c (restrict_base_for_decl): New static variable.
+       (init_ttree): Initialize restrict_base_for_decl.
+       (copy_node_stat): Copy restrict base information.
+       (decl_restrict_base_lookup): New function.
+       (decl_restrict_base_insert): New function.
+       (print_restrict_base_statistics): New static function.
+       (dump_tree_statistics): Call print_restrict_base_statistics.
+
+2005-10-02  Diego Novillo  <dnovillo@redhat.com>
+
+       PR 24142
+       * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
+       case of anti-ranges.
+
+2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       PR c/18851
+       * c-typeck.c (tagged_tu_seen): Rename to ...
+       (tagged_tu_seen_cache): this and add val field.
+       (comptypes): Move functional to comptypes_internal
+       and free tagged_tu_seen.
+       (comptypes_internal): New function and call comptypes_internal
+       instead of comptypes. Speed up by sibcalling
+       tagged_types_tu_compatible_p.
+       (alloc_tagged_tu_seen): New function
+       (free_all_tagged_tu_seen_up_to): New function.
+       (tagged_types_tu_compatible_p): Return the val of the seen two
+       types.
+       Add that the two types are the same to tagged_tu_seen_base
+       if they are and call comptypes_internal instead of comptypes.
+       <case UNION_TYPE>: Speed up common type where the fields are
+       in the same order.
+       (function_types_compatible_p): Call comptypes_internal instead of
+       comptypes.
+       (type_lists_compatible_p): Likewise.
+       (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
+
+2005-10-02  Matthias Klose  <doko@debian.org>
+
+       * doc/invoke.texi: Fix typo and speling error.
+
+2005-10-01  Richard Henderson  <rth@redhat.com>
+
+       * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
+
+2005-10-01  Mark Mitchell  <mark@codesourcery.com>
+
+       * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
+       using --start-group and --end-group.
+
+2005-10-01  Diego Novillo  <dnovillo@redhat.com>
+
+       * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
+       FIXME note regarding quirky semantics.
+
+2005-10-01  Diego Novillo  <dnovillo@redhat.com>
+
+       PR 24141
+       * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
+       non-null range as a last resort.
+
+2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
+           Diego Novillo  <dnovillo@redhat.com>
+
+       PR 23604
+       * tree-vrp.c (extract_range_from_assert): For !=
+       assertions, only build an anti-range if LIMIT is a
+       single-valued range.
+
+2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
+
+       * arm.md (movqi): On thumb when optimizing, handle loading from
+       memory by describing this as taking a subreg of a zero-extended load
+       into an SImode register.
+       (movhi): Likewise.
+
+2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
+
+       * reload1.c (merge_assigned_reloads): Do not change any
+       RELOAD_FOR_OUTPUT_ADDRESS reloads.
+
+2005-09-30  Geoffrey Keating  <geoffk@apple.com>
+
+       * Makefile.in (LIPO_FOR_TARGET): Define.
+       (STRIP_FOR_TARGET): Define.
+
+       * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
+       before creating new ones.  Do symlinks before creating the actual
+       targets.
+
+       * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
+       to work out which multilibs are actually being built.
+
+2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
+
+       * tree-vect-transform.c, config/ms1/ms1.md,
+       config/s390/s390.c, config/v850/v850.md: Fix comment typos.
+       Follow spelling conventions.
+       * doc/invoke.texi, doc/md.texi: Fix typos.
+
+2005-09-30  Andrew Macleod  <amacleod@redat.com>
+
+       PR tree-optimization/21430
+       * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
+       use operands, and set stmt pointer if need be.
+       (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
+       tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
+       present.
+
+2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       PR middle-end/24053
+       * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
+
+2005-09-29  Mark Mitchell  <mark@codesourcery.com>
+
+       * optabs.c (expand_binop): Initialize first_pass_p.
+
+2005-09-29  Jakub Jelinek  <jakub@redhat.com>
+
+       PR middle-end/24109
+       * c-decl.c (c_write_global_declarations_1): If any
+       wrapup_global_declaration_2 call returned true, restart the loop.
+
+2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
+
+       Fix PR tree-optimization/24117
+       * tree-ssa-structalias.c (find_func_aliases): Strip nops
+       before considering whether to use anyoffset.
+
+2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
+
+       Revert this patch:
+
+       2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
+
+       * optabs.c (expand_binop): Use swap_commutative_operands_with_target
+       to order operands.
+       (swap_commutative_operands_with_target): New.
+
+2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
+
+       PR c/21419
+       * gimplify.c (gimplify_asm_expr): Raise an error if an output is
+       read-only.
+
+2005-09-29  Steven Bosscher  <stevenb@suse.de>
+
+       PR tree-optimization/23911
+       * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
+       and IMAGPART_EXPR too.
+
+2005-09-28  Mark Mitchell  <mark@codesourcery.com>
+
+       PR 17886
+       * expmed.c (expand_shift): Move logic to reverse rotation
+       direction when  rotating by constants ...
+       * optabs.c (expand_binop): ... here.
+       * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
+       (ix86_rotrdi3): New pattern.
+       (rotldi3): Handle 32-bit mode.
+       (ix86_rotldi3): New pattern.
+
+2005-09-29  Alan Modra  <amodra@bigpond.net.au>
+
+       PR target/24102
+       * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
+       check for numbers that need no bit twiddle.
+
+2005-09-28  Geoffrey Keating  <geoffk@apple.com>
+
+       * config/rs6000/t-darwin8: Uncomment contents, allow -m64
+       multilib to be built.
+
+       * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
+       (stage1-start): Delete old libgcc and libunwind before moving
+       anything into the stage directory.
+       (stage2-start): Likewise.
+       (stage3-start): Likewise.
+       (stage4-start): Likewise.
+       (stageprofile-start): Likewise.
+       (stagefeedback-start): Likewise.
+       * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
+       header in tm_file and CPU-specific t-darwin in tmake_file.
+       (i[34567]86-*-darwin*): Don't change tm_file.
+       (powerpc-*-darwin*): Don't change tm_file or tmake_file.
+       * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
+       shared library stub for target OS version.
+       * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
+       (SHLIB_LINK): Don't make SHLIB_SOLINK.
+       (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
+       (libgcc_s.%.dylib): New.
+       (LIBGCC): Define.
+       (install-darwin-libgcc-stubs): New.
+       (INSTALL_LIBGCC): New append.
+       * config/i386/darwin-libgcc.10.4.ver: New.
+       * config/i386/darwin-libgcc.10.5.ver: New.
+       * config/i386/t-darwin: New.
+       * config/rs6000/darwin-libgcc.10.4.ver: New.
+       * config/rs6000/darwin-libgcc.10.5.ver: New.
+       * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
+       * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
+
+2005-09-28  Paul Brook  <paul@codesourcery.com>
+
+       * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
+       denormals.
+
+2005-09-28  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/23853
+       * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
+       host_integerp to verify misalignment value.
+
+2005-09-28  Richard Henderson  <rth@redhat.com>
+
+       * builtins.c (get_builtin_sync_mode): New.
+       (expand_builtin_sync_operation): Pass in mode argument.
+       (expand_builtin_compare_and_swap): Likewise.
+       (expand_builtin_lock_test_and_set): Likewise.
+       (expand_builtin_lock_release): Likewise.
+       (expand_builtin): Update to match.
+
+2005-09-28  Nick Clifton  <nickc@redhat.com>
+
+       * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
+       formatting.  Add check to PLUS case to ensure that the offset is
+       within an acceptable range.
+
+       * config/v850/v850.md (casesi): Disable the generation of the
+       switch pattern as it is not being handled properly at the moment.
+
+       * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
+       for when the high words are identical.
+
+2005-09-27  Richard Henderson  <rth@redhat.com>
+
+       * pretty-print.c (pp_base_format): Fix typo for %>.
+
+2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
+           Devang Patel  <dpatel@apple.com>
+
+       PR tree-optimization/23625
+       * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
+       LABEL_EXPR, assertion check.
+
+2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
+
+       * optabs.c (no_conflict_move_test): Check if a result of a
+       to-be-moved insn would be clobbered by an originally
+       preceding insn.
+
+2005-09-27  Jeff Law  <law@redhat.com>
+
+       * passes.c (init_optimization_passes): Replace copy propagation
+       passes immediately after DOM with phi-only copy propagation
+       pases.  Add phi-only copy propagation pass after first DOM pass.
+       * tree-pass.h (pass_phi_only_copy_prop): Declare.
+       * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
+       If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
+       (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
+       to init_copy_prop.  Callers updated.
+       (do_phi_only_copy_prop): New function.
+       (pass_phi_only_copy_prop): New pass descriptor.
+
+2005-09-27  Nick Clifton  <nickc@redhat.com>
+
+       * libgcc2.c (__popcount_tab): Remove redundant prototype.
+
+2005-09-26  Jason Merrill  <jason@redhat.com>
+
+       PR c++/13764
+       * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
+
+       * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
+
+2005-09-26  James E Wilson  <wilson@specifix.com>
+
+       * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
+       copyright.  Add gcc copyright plus libgcc exception.
+       * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
+       copyright.
+       * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
+
+2005-09-26  Jeff Law  <law@redhat.com>
+
+       * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
+       about when to iterate.
+
+2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
+
+       PR target/23847
+       * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
+       for __complex__ double in -mcpu=G5 mode.
+
+2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
+
+       PR tree-optimization/23942
+       * Makefile.in (SCEV_H): Depends on PARAMS_H.
+       * tree-scalar-evolution.c: Include params.h.
+       (t_bool): New enum.
+       (follow_ssa_edge, follow_ssa_edge_in_rhs,
+       follow_ssa_edge_in_condition_phi_branch,
+       follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
+       Change return type to t_bool.  Use a parameter to limit the size of
+       trees that are walked before stopping
+       (analyze_evolution_in_loop): Initialize the limit to 0.
+       (follow_ssa_edge): Give up by returning t_dont_know if the limit
+       exceeds PARAM_SCEV_MAX_EXPR_SIZE.
+
+2005-09-26  Uros Bizjak  <uros@kss-loka.si>
+
+       PR middle-end/23831
+       * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
+       simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
+
+2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
+
+       * combine.c (make_extraction): Check for valid use of subreg.
+
+2005-09-26  Uros Bizjak  <uros@kss-loka.si>
+
+       PR target/24055
+       * config/i386/i386.md ("*fistdi2_1"): New pattern.
+       ("*fist<mode>2_1"): Use only HImode and SImode register operands.
+       ("fist<mode>2_with_temp"): Use only register operands.
+
+2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
+
+       * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
+       CALL_INSN_FUNCTION_USAGE.
+
+2005-09-26  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/15855
+       * gcse.c: Include hashtab.h, define ldst entry hashtable.
+       (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
+       (ldst_entry): Use the hashtable instead of list-walking.
+       (find_rtx_in_ldst): Likewise.
+       (free_ldst_entry): Free the hashtable.
+       (compute_ld_motion_mems): Create the hashtable.
+       (trim_ld_motion_mems): Remove entry from hashtable if
+       removing it from list.
+       (compute_store_table): Likewise^2.
+       (store_motion): Free hashtable in case we did not see
+       any stores.
+
+2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
+
+       * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
+       and arg1 if we are passing them to fold_build2.
+
+2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
+
+       PR 23828
+       * config/i386/i386.c (ix86_function_regparm): Fix the test for
+       a nested function.
+
+2005-09-25  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
+       SYMBOL_REF_TLS_MODEL to be correct.
+
+2005-09-24  Richard Henderson  <rth@redhat.com>
+
+       * ipa-type-escape.c (discover_unique_type): Remove dead code at
+       end of function.  Reindent.
+
+2005-09-24  Ian Lance Taylor  <ian@airs.com>
+
+       * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
+       NEGATE_EXPR/BIT_NOT_EXPR case.
+
+2005-09-24  Richard Henderson  <rth@redhat.com>
+
+       * c-common.c (handle_mode_attribute): When not modifying in place,
+       create subtypes for enumerations.
+       (sync_resolve_return): Use TYPE_MAIN_VARIANT.
+       * gimplify.c (create_tmp_from_val): Likewise.
+
+2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
+
+       * config/i386/i386.md (*tls_global_dynamic_64,
+       *tls_local_dynamic_base_64): Add missing mode to call.
+       (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
+
+2005-09-24  Jan Hubicka  <jh@suse.cz>
+
+       * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
+       (cgraph_clone_node): Likewise.
+       * cgraph.h (cgraph_clone_edge): Update prototype.
+       (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
+       duplicated prototypes; add updating argument.
+       * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
+       * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
+       updating profile.
+       (cgraph_mark_inline_edge): Likewise.
+       (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
+       (cgraph_flatten_node): Likewise.
+       (cgraph_decide_recursive_inlining): Likewise.
+       (cgraph_decide_inlining_of_small_function): Likewise.
+       * tree-optimize.c (tree_rest_of_compilation): Likewise.
+
+2005-09-23  David Edelsohn  <edelsohn@gnu.org>
+           Pete Steinmetz <steinmtz@us.ibm.com>
+
+       * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
+       (rldic.): Set type to "compare".
+       (rldicr.): Same.
+       (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
+       mfjmpr for MFCTR/MFLR.
+       (movdf_hardfloat64): Same.
+       (movdf_softfloat64): Same.  Correct order of store and move types.
+       (movti_string): Set type to store_ux/load_ux.
+       (load_multiple): Set type to load_ux.
+       (store_multiple): Set type to store_ux.
+       (movmemsi): Set type to store_ux.
+       (output_cbranch direct_return): Set type to jmpreg.
+       (stmw): Set type to store_ux.
+       (lmw): Set type to load_ux.
+       * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
+       * config/rs6000/440.md (ppc440-store): Increase latency to 6.
+       * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
+       * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
+       * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
+       * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
+       (rios1-fpstore): Increase latency to 3.
+       * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
+       * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
+
+2005-09-23  David Edelsohn  <edelsohn@gnu.org>
+           Andrew Pinski  <pinskia@physics.uc.edu>
+
+       * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
+       operand2 constraint to "b".
+       (sync_<fetchop_name>di_internal): Same.
+       (sync_old_<fetchop_name>si_internal): Change operand3 constraint
+       to "b".
+       (sync_old_<fetchop_name>di_internal): Same.
+       (sync_new_<fetchop_name>si_internal): Same.
+       (sync_new_<fetchop_name>di_internal): Same.
+
+2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
+
+       PR middle-end/23991
+       * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
+       case, define as macros.
+
+       PR rtl-optimization/23837
+       *  optabs.c (no_conflict_move_test): Don't set must_stay for a
+       clobber / clobber match between dest and p->first.
+
+       * optabs.c (emit_libcall_block): Use no_conflict_move_test.
+       (no_conflict_move_test): Update comments.
+
+2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
+
+       * doc/install.texi: Update URL for Jacks.
+       * doc/sourcebuild.texi: Likewise.
+
+2005-09-22  David Edelsohn  <edelsohn@gnu.org>
+
+       PR target/24007
+       * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
+       registers when choosing register preferences.
+       (movdf_hardfloat64): Same.
+
+2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
+
+       * expmed.c (expand_shift): Don't use the target of the rotate as
+       target for the first expanded shift insn.
+       * testsuite/gcc.dg/20050922-1.c: Testcase added.
+
+2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
+
+       PR tree-optimization/22438
+       * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
+       preserved iv rhs rewriting specially.
+
+2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
+
+       * tree-data-ref.c (analyze_array_indexes): Only estimate when
+       estimate_only  is true.
+       * tree-flow.h (ref_contains_indirect_ref): New prototype.
+       * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
+       tree-ssa-structalias.c
+       * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
+       ref_contains_indirect_ref.
+       * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
+
+2005-09-21  DJ Delorie  <dj@redhat.com>
+
+       * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
+       MASK_PTR_A0D0.
+       (mn10300_return_in_memory): Support variable size types also.
+       (mn10300_pass_by_reference): Likewise.
+       (mn10300_function_value): New.
+       * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
+       (FUNCTION_OUTGOING_VALUE): Likewise.
+       * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
+       * doc/invoke.texi: Document it.
+
+2005-09-21  Uros Bizjak  <uros@kss-loka.si>
+
+       PR target/22585
+       * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
+       force integer op1 into register for XFmode compares.
+
+2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
+
+       PR middle-end/23971
+       * expmed.c (alg_code): Add alg_impossible.
+       (alg_hash_entry): Add cost.
+       (synth_mult): Record alg_impossible in the hash table if
+       multiplication by a given integer is impossble within the
+       limit.  Speed up using alg_impossible.
+
+2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
+
+       * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
+       argument.  Allow and set any offset if needs_anyoffset is passed
+       in.
+       (get_constraint_for): Add argument here too.
+       Pass it down.
+       (do_structure_copy): Pass NULL to get_constraint_for.
+       (handle_ptr_arith): Ditto.
+       (find_func_aliases): Ditto.
+
+2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
+
+       PR rtl-optimization/23898
+       * output.h (get_attr_min_length): Declare.
+       * final.c (get_attr_length_1): New function, broken out of:
+       (get_attr_length).
+       (get_attr_min_length): New function.
+       * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
+       (duplicate_computed_gotos): Likewise.
+       * genattr.c (insn_min_length): Generate declaration.
+       * genattrtab.c (min_fn, min_attr_value): New functions.
+       (make_length_attrs): Generate insn_min_length.
+
+2005-09-20  Steve Ellcey  <sje@cup.hp.com>
+
+       * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
+
+2005-09-20  Richard Henderson  <rth@redhat.com>
+
+       PR tree-optimization/24059
+       * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
+       EXPAND_STACK_PARM.
+
+2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
+
+       * c.opt (fextended-identifiers): New.
+       * c-opts.c (c_common_handle_option): Handle
+       -fextended-identifiers.
+       * doc/cpp.texi: Update documentation of extended identifiers.
+       * doc/cppopts.texi (-fextended-identifiers): Document.
+
+2005-09-20  Jakub Jelinek  <jakub@redhat.com>
+
+       PR tree-optimization/23929
+       * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
+       if expr is NULL.
+
+       PR tree-optimization/23818
+       * tree-stdarg.c (execute_optimize_stdarg): Call
+       calculate_dominance_info.
+
+2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
+
+       * tree-data-ref.c (get_number_of_iters_for_loop): New function.
+       (analyze_siv_subscript_cst_affine): Add weak SIV test.
+       (compute_overlap_steps_for_affine_1_2): Use
+       get_number_of_iters_for_loop.
+       (analyze_subscript_affine_affine): Check whether difference is
+       zero first.
+       Use get_number_of_iters_for_loop.
+       Check whether overlap occurs outside of bounds.
+       (analyze_miv_subscript): Use get_number_of_iters_for_loop.
+
+2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
+
+       * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
+       base register if possible.
+
+2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
+
+       PR tree-optimization/18463
+       * tree-chrec.c (chrec_convert): Return fold_converted chrec if
+       converting it directly is not possible.
+       (chrec_convert_aggressive): New function.
+       * tree-chrec.h (chrec_convert_aggressive): Declare.
+       * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
+       Fold chrec conversions aggressively if asked to.
+       (instantiate_parameters): Modified because of changes in
+       instantiate_parameters_1.
+
+2005-09-19  Richard Henderson  <rth@redhat.com>
+
+       * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
+       (reduc_splus_v2df): New.
+
+2005-09-19  Richard Sandiford  <richard@codesourcery.com>
+
+       * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
+       (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
+
+2005-09-19  Richard Henderson  <rth@redhat.com>
+
+       * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
+       vcondu<SSEMODE12>.
+
+2005-09-19  Richard Henderson  <rth@redhat.com>
+
+       * config/ia64/ia64.c (ia64_expand_widen_sum): New.
+       (ia64_expand_dot_prod_v8qi): New.
+       * config/ia64/ia64-protos.h: Update.
+       * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
+       widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
+       sdot_prodv8qi, sdot_prodv4hi): New.
+       (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
+
+2005-09-19  Richard Henderson  <rth@redhat.com>
+
+       PR 23941
+       * real.c (exact_real_truncate): Return false if the format cannot
+       represent the number as a normal.
+
+       * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
+       for a memory source.
+
+2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
+
+       * tree-ssa-operands.c (swap_tree_operands): Export.
+       * tree.h (swap_tree_operands): Declare.
+       * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
+       Call swap_tree_operands.
+
+2005-09-19  Richard Henderson  <rth@redhat.com>
+
+       * tree-flow.h (merge_alias_info): Declare.
+       * tree-ssa-copy.c (merge_alias_info): Export.
+       * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
+       (vect_create_data_ref_ptr): Use create_iv directly.
+       (vectorizable_load): Use correct types for integer constants.
+       (vect_generate_tmps_on_preheader): Likewise.
+       (vect_gen_niters_for_prolog_loop): Likewise.
+
+2005-09-19  Steven Bosscher  <stevenb@suse.de>
+
+       PR rtl-optimization/23943
+       * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
+
+2005-09-18  Jan Hubicka  <jh@suse.cz>
+
+       * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
+
+2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * varasm.c (output_constant): Do not abort on conversions to union
+       types between different sizes.
+
+2005-09-18  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/23944
+       * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
+       fallback.
+
+2005-09-18  Paul Brook  <paul@codesourcery.com>
+
+       * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
+
+2005-09-17  Richard Henderson  <rth@redhat.com>
+
+       * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
+       * tree-ssa-loop.c (pass_vect_dce): Remove.
+       * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
+       of pass_vectorize.
+
+2005-09-17  Richard Henderson  <rth@redhat.com>
+
+       * tree-pass.h (pass_vect_dce): Declare.
+       * passes.c (init_optimization_passes): Add it.
+       * tree-flow.h (tree_ssa_dce): Declare.
+       * tree-ssa-dce.c (tree_ssa_dce): Export.
+       * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
+       (gate_tree_vectorize): ... here.
+       (pass_vect_dce): New.
+
+2005-09-17  Jan Hubicka  <jh@suse.cz>
+
+       * except.c (struct eh_status): Turn region_array into vec.
+       (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
+       convert_from_eh_region_ranges, find_exception_handler_labels,
+       current_function_has_exception_handlers, assign_filter_values,
+       build_post_landing_pads, dw2_build_landing_pads,
+       sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
+       sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
+       foreach_reachable_handler, can_throw_internal_1,
+       convert_to_eh_region_ranges, verify_eh_tree): Update uses of
+       region_array.
+       (duplicate_eh_region_1): Update region_array.
+       (duplicate_eh_regions): Resize region_array and avoid recomputing.
+
+2005-09-17  David Edelsohn  <edelsohn@gnu.org>
+
+       PR middle-end/22067
+       * expmed.c (expand_mult): Substitute simple register for op0 when
+       computing max_cost.
+
+2005-09-17  Richard Henderson  <rth@redhat.com>
+
+       * expr.c (emit_move_via_integer): Add force argument, pass it on
+       to emit_move_change_mode.  Update callers.
+       (emit_move_complex): Pass true to new force argument.
+       * function.c (expand_function_end): Move expand_eh_return call
+       earlier.  Merge sub-word complex values into a pseudo before
+       copying to the return hard register.
+
+2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
+       between different sizes.
+
+2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
+
+       PR 23903
+
+       * passes.c (init_optimization_passes): Register dump files for
+       IPA passes first.
+
+2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
+
+       * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
+       * config/s390/s390.c (s390_overlap_p): New function.
+       * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
+       peephole2, "*xc" peephole2): Added overlap check to the peephole2
+       condition.
+
+2005-09-16  Richard Guenther  <rguenther@suse.de>
+
+       * ipa-pure-const.c (static_execute): Free auxiliar information.
+       * ipa-type-escape.c (discover_unique_type): Free temporary key.
+       * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
+
+2005-09-15  DJ Delorie  <dj@redhat.com>
+
+       * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
+
+2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
+
+       * optabs.c (expand_binop): Use swap_commutative_operands_with_target
+       to order operands.
+       (swap_commutative_operands_with_target): New.
+
+2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
+
+       * tree-data-ref.c (analyze_array_indexes): Add estimate_only
+       parameter.
+       Update callers.
+       (estimate_iters_using_array): New function.
+       * tree-data-ref.h (estimate_iters_using_array): Prototype
+       * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
+       Use estimate_iters_using_array instead of analyze_array.
+
+2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
+       as addressable.
+
+2005-09-15  Michael Matz  <matz@suse.de>
+
+       * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
+
+2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
+
+       PR tree-optimization/23835
+       * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
+       (create_name_tags): Rewrite to be not O(num_ssa_names^2).
+
+2005-09-14  Richard Henderson  <rth@redhat.com>
+
+       * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
+       (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
+
+2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
+       in the ARRAY_TYPE case.
+
+2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
+
+2005-09-14  Uros Bizjak  <uros@kss-loka.si>
+
+       PR middle-end/22480
+       * tree-vect-transform.c (vectorizable_operation): Return false for
+       scalar shift operations and for vector shift operations with
+       non-invariant shift arguments.  Use scalar tree operand op1 as
+       a shift operand when vector shift insn pattern uses scalar shift
+       operand.
+       * Makefile.in (tree-vect-transform.o): Depend on recog.h.
+
+2005-09-14  Olivier Hainque  <hainque@adacore.com>
+
+       * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
+       value if it has side-effects.
+
+2005-09-14  David Edelsohn  <edelsohn@gnu.org>
+
+       PR target/22068
+       * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
+
+2005-09-14  Alan Modra  <amodra@bigpond.net.au>
+
+       * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
+       passed as NAME as if it were label at start of function code.
+
+2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+       * config/sh/sh.md (*movv4sf_i): Add general register cases to
+       the constraints.
+
+2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
+       as early clobber.  Rewrite so the PIC register is not implicitly used.
+
+2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
+
+       * tree.c (annotate_with_file_line): Compare line numbers before
+       file names.
+
+2005-09-13  Uros Bizjak  <uros@kss-loka.si>
+
+       PR target/23816
+       * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
+       (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
+
+2005-09-13  Ian Lance Taylor  <ian@airs.com>
+
+       * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
+       than a HOST_WIDEST_INT to gen_doloop_begin.
+
+2005-09-13  Diego Novillo  <dnovillo@redhat.com>
+
+       * tree-dfa.c (dump_variable): Guard against NULL annotations.
+
+2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
+
+       PR tree-optimize/23817
+       * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
+
+2005-09-13  Alan Modra  <amodra@bigpond.net.au>
+
+       PR target/23774
+       * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
+       word before changing the stack pointer.  Use gen_frame_mem for MEMs.
+       Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
+       (restore_stack_nonlocal): Likewise.
+       (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
+
+2005-09-12  Ian Lance Taylor  <ian@airs.com>
+
+       PR g++/7874
+       * c.opt (ffriend-injection): New C++ option.
+       * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
+       (C++ Dialect Options): Document -ffriend-injection.
+
+2005-09-12  Josh Conner  <jconner@apple.com>
+
+       PR middle-end/23237
+       * ipa-reference.c (static_execute): Don't mark variables in
+       named sections TREE_READONLY.
+
+2005-09-12  Alan Modra  <amodra@bigpond.net.au>
+
+       * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
+       stack_tie.
+
+2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
+       V_MUST_DEF instead of just the first_use_p.
+       Don't mark the virtual variables for renaming on the statement which
+       is being removed.
+       (pass_dse): Remove TODO_update_ssa.
+
+2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
+
+       PR middle-end/23290
+       * stor-layout.c (compute_record_mode): For records with a single
+       field, actually check the field's mode size against the type size.
+
+       * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
+       registers for TARGET_SHMEDIA.
+       (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
+       GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
+       of GENERAL_REGS and FP_REGS.
+
+2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
+
+       * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
+
+2005-09-12  Alan Modra  <amodra@bigpond.net.au>
+
+       * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
+       CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
+       are omitted.  Exclude stack_tie insn too.
+
+2005-09-11  David Edelsohn  <edelsohn@gnu.org>
+
+       PR rtl-optimization/23098
+       * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
+       0.0f is easy.
+       * config/rs6000/rs6000.md (movdf splitter): Use
+       const_double_operand predicate for TARGET_POWERPC64.
+       * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
+       SYMBOL_REF method to ABI_V4.
+
+       * config/rs6000/altivec.md (build_vector_mask_for_load): Use
+       replace_equiv_address.
+       * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
+       rs6000_sr_alias_set and MEM_NOTRAP.
+       (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
+
+2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * tree.c (contains_placeholder_p) <tcc_expression>: Properly
+       handle CALL_EXPR again.
+
+2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
+
+       * arm/predicates.md (alignable_memory_operand): Delete.
+
+2005-09-10  Richard Henderson  <rth@redhat.com>
+
+       PR debug/23806
+       * dbxout.c (dbxout_expand_expr): New.
+       (dbxout_symbol): Use it.
+
+2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
+
+       * arm.c (arm_gen_rotated_half_load): Delete.
+       (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
+       (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
+       (thumb_set_return_address): Likewise.
+       (thumb_load_double_from_address): Use adjust_address.
+       * arm.md (splits calling arm_gen_rotated_half_load): Delete.
+       (extendhsisi2_mem, movhi_bytes): Use change_address.
+       (movhi): Use widen_memory_access.
+       (reload_out_df): Use replace_equiv_address.
+       * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
+
+2005-09-09  Richard Henderson  <rth@redhat.com>
+
+       PR debug/20998
+       * dbxout.c: Include expr.h.
+       (dbxout_global_decl): Don't suppress for DECL_RTL unset.
+       (dbxout_symbol): Handle DECL_VALUE_EXPR.
+       * Makefile.in (dbxout.o): Add EXPR_H.
+
+2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
+
+       PR tree-optimization/23509
+       * tree-cfg.c (replace_uses_by): Use replace_exp.
+       * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
+       pointers have name_mem_tag or type_mem_tag set.
+
+2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
+
+       * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
+       CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
+       of wrongly accessing operands.
+
+2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
+
+       * Makefile.in (tree-chrec.o): Depends on SCEV_H.
+       * tree-chrec.c: Include tree-scalar-evolution.h.
+       (chrec_convert): Instantiate the base and step before calling
+       scev_probably_wraps_p that would fail on parametric evolutions.
+       Collect all the fails into a single section failed_to_convert,
+       print a diagnostic, and return chrec_dont_know instead of calling
+       fold_convert.
+       * tree-scalar-evolution.c (loop_closed_phi_def): New.
+       (instantiate_parameters_1): Avoid instantiation of loop closed ssa
+       phi nodes.
+       (scev_const_prop): Don't replace the definition of a loop closed ssa
+       phi node by itself, or by another loop closed ssa phi node.
+       * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
+       that base and step are defined.
+
+2005-09-09  Richard Guenther  <rguenther@suse.de>
+
+       PR c++/23624
+       * fold-const.c (fold_ternary): Check truth_value_p before
+       calling invert_truthvalue.
+
+2005-09-09  Nick Clifton  <nickc@redhat.com>
+
+       * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
+       * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
+       dimension of these arrays.
+       * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
+       these arrays.
+       * longlong.h: Only provide a prototype for the __clz_tab[] array
+       if this header has not been included from libgcc2.h.
+       * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
+       defining own types.
+       Provide prototypes for exported functions.
+       Use the __clz_tab[] and __popcount_tab[] arrays provided by
+       libgcc2.c.
+
+2005-09-08  Josh Conner  <jconner@apple.com>
+
+       PR c++/21135
+       PR c++/23180
+       * expr.c (expand_expr_addr_expr_1): Don't invoke
+       expand_simple_binop for EXPAND_INITIALIZER.
+
+2005-09-08  Richard Henderson  <rth@redhat.com>
+
+       PR debug/23190
+       * toplev.c (wrapup_global_declaration_1): Split out ...
+       (wrapup_global_declaration_2): ... from ...
+       (wrapup_global_declarations): ... here.  Return bool.
+       (check_global_declaration_1): Split out ...
+       (check_global_declarations): from here.
+       (emit_debug_global_declarations): New.
+       * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
+       check_global_declaration_1, emit_debug_global_declarations): Declare.
+       * c-decl.c (c_write_global_declarations_1): Don't create a vector
+       of decls.  Call wrapup_global_declaration_1,
+       wrapup_global_declaration_2, check_global_declaration_1 directly.
+       (c_write_global_declarations_2): New.
+       (ext_block): New.
+       (c_write_global_declarations): Call c_write_global_declarations_2.
+       * langhooks.c (write_global_declarations): Call
+       emit_debug_global_declarations.
+
+       * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
+       remove decls that have DECL_RTL_SET_P.
+       * passes.c (rest_of_decl_compilation): Invoke
+       cgraph_varpool_finalize_decl for all but functions.
+
+2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
+
+       * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
+       the result of a conversion if the new min and max cannot be compared.
+
+2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
+
+       * config/s390/s390.c (s390_sr_alias_set): Variable removed.
+       (override_options): Setting s390_sr_alias_set removed.
+       (save_fpr, save_gprs): Set alias set to vararg or frame.
+       (restore_fpr, restore_gprs, s390_emit_prologue): Replace
+       s390_sr_alias_set with get_frame_alias_set ().
+       (s390_gimplify_va_arg): Replace s390_sr_alias_set with
+       get_varargs_alias_set ().
+
+2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       PR objc/20574
+       PR objc/19324
+       * c-parser.c (c_parser_objc_method_definition): If the next
+       token is not "{", error out and don't start the function.
+
+2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       * tree-vrp.c (extract_range_from_expr): Move the check for non
+       nullness after the check for gimple invariant.
+
+2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * tree.c (host_integerp, tree_low_cst): Correct function comment.
+
+2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
+
+       PR target/23747
+       * config/m32r.md (movmemsi_internal): Canonicalize order of
+       operands in PLUS component of template.
+
+2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
+
+       * reload1.c (fixup_eh_region_note): Remove assertion.
+       (fixup_abnormal_edges): Reverted removal of call to
+       find_many_sub_basic_blocks made on 2005-08-31.
+
+2005-09-07  Richard Henderson  <rth@redhat.com>
+
+       * function.c (ARG_POINTER_CFA_OFFSET): Move ...
+       * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
+       (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
+       * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
+       rearrange for better packing.
+       (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
+       (lookup_cfa_1): Remove inline marker.
+       (cfa_equal_p): Split out of ...
+       (def_cfa_1): ... here.  Use INVALID_REGNUM.
+       (build_cfa_loc): Handle !cfa->indirect.
+       (frame_pointer_cfa_offset): New.
+       (dbx_reg_number): Assert register elimination performed; do
+       leaf register remapping.
+       (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
+       (eliminate_reg_to_offset): New.
+       (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
+       for verifiably local stack frame addresses; re-base to CFA.
+       (mem_loc_descriptor): Remove can_use_fbreg argument.
+       (concat_loc_descriptor, loc_descriptor): Likewise.
+       (containing_function_has_frame_base): Remove.
+       (rtl_for_decl_location): Don't do register elimination or
+       leaf register remapping here.
+       (secname_for_decl): Split out from ..
+       (add_location_or_const_value_attribute): ... here.
+       (convert_cfa_to_loc_list): New.
+       (compute_frame_pointer_to_cfa_displacement): New.
+       (gen_subprogram_die): Use them.
+       * tree.h (frame_base_decl): Remove.
+       * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
+       (prologue_stack_adjust): Remove.
+       (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
+       (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
+       (set_frame_base_location): Remove.
+       (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
+       (dump_attrs_list, dump_dataflow_set): Use string concatenation.
+       (vt_add_function_parameters): Don't eliminate_regs.
+       (vt_initialize): Don't create frame_base_decl.
+
+2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
+
+       * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
+       version of GNU binutils for 4.x and later.
+
+2005-09-06  Mark Mitchell  <mark@codesourcery.com>
+
+       * ggc-page.c (ggc_push_context): Remove.
+       (ggc_pop_context): Likewise.
+       * ggc.h (ggc_push_context): Remove.
+       (ggc_pop_context): Likewise.
+
+2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
+
+       PR target/8973
+       * config/arc/arc.c (arc_output_function_epilogue): Update flags while
+       returning from an interrupt handler.
+
+2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
+
+       PR target/8972
+       * config/arc/arc.c (output_shift): Add check for loop count when
+       optimizing.
+
+2005-09-06  Steven Bosscher  <stevenb@suse.de>
+
+       * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
+       form manually.
+       (abs_replacement): Likewise.
+       (pass_phiopt): Remove TODO_update_ssa.
+
+2005-09-06  Jakub Jelinek  <jakub@redhat.com>
+
+       PR c/23075
+       * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
+       if "return with no value, in function returning non-void" warning
+       has been issued.
+       * tree-cfg.c (execute_warn_function_return): Don't look at
+       RETURN_EXPRs with TREE_NO_WARNING set.
+
+       PR target/22362
+       * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
+       for internal functions doesn't use registers used by global registers
+       variables.  Use fewer register parameters if there are global register
+       variables.
+
+2005-09-06  Olivier Hainque  <hainque@adacore.com>
+           Eric Botcazou  <ebotcazou@adacore.com>
+
+       PR middle-end/14997
+       * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
+       when we would be extracting outside its bit span (bitpos+bitsize
+       larger than its mode), possible with some VIEW_CONVERT_EXPRs from
+       Ada unchecked conversions.
+
+2005-09-06  Steven Bosscher  <stevenb@suse.de>
+
+       * tree-ssa-pre.c (try_look_through_load): New function.
+       (compute_avail): Use it to try to look through loads for some
+       more useful expressions.
+
+2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
+
+       * simplify-rtx.c (simplify_binary_operation_1): Correct the
+       condition for detecting cases like (a&a) and (a^a).
+
+2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
+
+       * common.opt: Add option ftree-vect-loop-version.
+       * params.def: Add --param vect-max-version-checks.
+       * doc/invoke.texi: Document ftree-vect-loop-version and
+       --param vect-max-version-checks.
+       * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
+       may_misalign_stmts and defines for accessors.
+       * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
+       LOOP_VINFO_MAY_MISALIGN_STMTS.
+       (destroy_loop_vec_info): VEC_free for
+       LOOP_VINFO_MAY_MISALIGN_STMTS.
+       * tree-vect-analyze.c (vect_compute_data_ref_alignment):
+       Update documentation.
+       (vect_update_misalignment_for_peel): New.
+       (vect_enhance_data_refs_alignment): Update to choose loop
+       peeling or loop versioning if appropriate for the (potentially)
+       unaligned data references in the loop.
+       (vect_analyze_data_refs_alignment): Remove call to
+       vect_enhance_data_refs_alignment so the checks can be done
+       earlier.
+       (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
+       and move up call to vect_analyze_data_refs_alignment.
+       * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
+       (vect_transform_loop): Add call to loop_version.
+
+2005-09-06  Jakub Jelinek  <jakub@redhat.com>
+
+       PR rtl-optimization/23098
+       * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
+       * simplify-rtx.c (constant_pool_reference_p): New function.
+       * rtl.h (constant_pool_reference_p): New prototype.
+       * config/i386/i386.md (pushf split, mov[sdx]f split): Use
+       constant_pool_reference_p in condition and
+       avoid_constant_pool_reference in preparation statements.
+
+2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
+
+       * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
+       STRICT_LOW_PART SETs.
+
+2005-09-06  Alan Modra  <amodra@bigpond.net.au>
+
+       PR middle-end/21460
+       * except.c (sjlj_emit_function_enter): Find the function begin
+       note even when it's not in first basic block.
+
+2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
+
+       * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
+       AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
+       * aclocal.m4: Regenerate.
+
+2005-09-05  DJ Delorie  <dj@redhat.com>
+
+       * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
+       of macro.
+
+2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
+
+       * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
+       config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
+       config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
+       Follow spelling conventions.
+       * doc/invoke.texi: Follow spelling conventions.
+
+2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
+
+       * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
+       * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
+       * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
+
+2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
+
+       PR target/23683
+       * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
+       (output_stack_adjust): Use gen_tmp_stack_mem.
+       (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
+       (sh_set_return_address, sh_allocate_initial_value): Likewise.
+       (sh_get_pr_initial_val): Likewise.
+       (sh_builtin_saveregs): Use gen_frame_mem and change_address.
+       (sh_initialize_trampoline): Likewise.  Also use adjust_address.
+       * sh.md (divsi_inv_m0): Use gen_const_mem.
+       (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
+       (movdf_i4+1): Use gen_tmp_stack_mem.
+       (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
+       (fpu_switch+2): Likewise.
+       (movv4sf_i, movv16sf_i): Use adjust_address.
+       (symGOT_load): Set MEM_NOTRAP_P bit.
+
+2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+       PR target/23721
+       * pa.c (emit_move_sequence): Fix typo in last change.
+
+2005-09-03  Jakub Jelinek  <jakub@redhat.com>
+
+       PR rtl-optimization/23454
+       * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
+       is true.
+
+2005-09-03  Richard Henderson  <rth@redhat.com>
+           John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+       PR middle-end/23671
+       * pa.c (emit_move_sequence): Use replace_equiv_address instead of
+       gen_rtx_MEM.
+
+2005-09-02  Nicolas Pitre <nico@cam.org>
+
+       * config/arm/arm.c (arm_legitimize_address): Limit the value passed
+       to bit_count to 32 bits.
+
+2005-08-31  Mark Mitchell  <mark@codesourcery.com>
+
+       PR c++/23167
+       * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
+       generating synthetic loads from volatile lvalues.
+
+005-09-02  Nick Clifton  <nickc@redhat.com>
+
+       * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
+       __ctzhi2, __clzhi2): New functions.
+
+2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       PR middle-end/23547
+       * tree-nested.c (struct var_map_elt): Mark with GTY.
+       (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
+       var_map_elt.
+       (lookup_field_for_decl): Allocate new element in GC memory.
+       (lookup_tramp_for_decl): Likewise.
+       (convert_nl_goto_reference): Likewise
+       (create_nesting_tree): Allocate info in GC memory. Likewise for
+       info->var_map.
+       (free_nesting_tree): Free with ggc_free instead of free.
+       (root): New static variable.
+       (lower_nested_functions): Remove root as local variable.  And zero out
+       root at the end of the function.
+
+2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
+
+       PR rtl-optimization/20365
+       * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
+       to short.  New member ix.
+       (simplify_plus_minus_op_data_cmp): Break ties using ix member.
+       (simplify_plus_minus): Initialize ix members before calling qsort.
+
+2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
+
+       PR tree-optimization/23626
+       * tree-cfg.c (replace_uses_by): Clean up eh info.
+
+2005-09-01  DJ Delorie  <dj@redhat.com>
+
+       * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
+       fprintf.
+
+2005-09-01  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
+       (rs6000_split_multireg_move): Use replace_equiv_address instead of
+       gen_rtx_MEM.
+
+2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
+
+       * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
+       do not issue warning for a variable definition following
+       a declaration.
+
+2005-09-01  Richard Henderson  <rth@redhat.com>
+
+       PR 23668
+       * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
+       conversion to CONST_VECTOR.
+
+2005-09-01  Richard Henderson  <rth@redhat.com>
+
+       PR 23676
+       * reload1.c (reload_as_needed): Check !CALL_P before calling
+       fixup_eh_region_note.
+       * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
+
+2005-09-01  DJ Delorie  <dj@redhat.com>
+
+       * varasm.c (output_constant): Let the target resolve
+       conversions of addresses to non-default pointer sizes.
+
+2005-09-01  Nicolas Pitre <nico@cam.org>
+
+       * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
+       to alow matching ARM pre-indexed addressing mode.
+       (arm_override_options): Remove now irrelevant comment.
+
+2005-09-01  Phil Edwards  <phil@codesourcery.com>
+
+       * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
+       * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
+       * config/i386/vxworks.h:  Likewise.
+       * config/i386/t-vxworksae:  New file, for VxWorks AE.
+       * config/i386/vxworksae.h:  Likewise.
+
+2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
+
+       PR tree-optimization/23410
+       * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
+       sequence is not wrapping during the first step.
+
+2005-09-01  Jakub Jelinek  <jakub@redhat.com>
+
+       PR debug/7241
+       * dwarf2out.c (base_type_die): Compare char_type_node with
+       TYPE_MAIN_VARIANT (type), not type.
+
+2005-09-01  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/15366
+       * common.opt: Add -finline-functions-called-once.
+       Put -fearly-inlining in alphabetically ordered place.
+       * doc/invoke.texi: Document new option.
+       * ipa-inline.c (cgraph_decide_inlining): Honour
+       flag_inline_functions_called_once.
+
+2005-09-01  Jakub Jelinek  <jakub@redhat.com>
+
+       PR rtl-optimization/23478
+       * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
+       (alloc_qty): Initialize it.
+       (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
+       (combine_regs): Combine also n_throwing_calls_crossed fields.
+       (find_free_reg): Don't attempt to caller-save pseudos crossing
+       calls that might throw.
+       * global.c (struct allocno): Add throwing_calls_crossed field.
+       (global_alloc): Revert 2005-08-22 change.  Initialize
+       throwing_calls_crossed.
+       (find_reg): Don't attempt to caller-save pseudos crossing calls that
+       might throw.
+
+2005-09-01  Alan Modra  <amodra@bigpond.net.au>
+
+       PR target/23649
+       * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
+       (mask64_operand): Reinstate code prior to 2005-06-11 change.
+       (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
+       (and64_2_operand): Tweak to use predicate.
+       (and_operand): Adjust for mask_operand changes.
+       * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
+       (print_operand): Likewise.
+       (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
+       (mask64_1or2_operand): Delete.
+       * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
+       * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
+       (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
+       (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
+       * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
+       (rotldi3_internal4): Likewise.
+       (rotldi3_internal5, rotldi3_internal5 split): Likewise.
+       (rotldi3_internal6, rotldi3_internal6 split): Likewise.
+       (ashldi3_internal7): Likewise.
+       (ashldi3_internal8, ashldi3_internal8 split): Likewise.
+       (ashldi3_internal, ashldi3_internal9 split): Likewise.
+       (anddi3 split): Don't match mask64_operand.
+       (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
+       (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
+       splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
+       't' splitter predicate.
+       (movdi_internal64 + 2): Revert 2005-06-11 change.
+
+2005-08-31  DJ Delorie  <dj@redhat.com>
+
+       * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
+       (m32c_asm_integer): Add support for 32 bit pointers.
+
+2005-08-31  Richard Henderson  <rth@redhat.com>
+
+       * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
+       component-like references for setting MEM_NOTRAP_P.
+
+       * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
+       * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
+
+2005-08-31  Richard Henderson  <rth@redhat.com>
+
+       * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
+       into a pseudo before applying gen_lowpart.
+
+2005-08-31  Geoffrey Keating  <geoffk@apple.com>
+
+       * doc/install.texi (Specific): Update cctools version required
+       for full functionality.
+       * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
+       linkers as -macosx_version_min.
+
+2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
+
+       PR target/21255
+       * sh.c (print_operand, %R and %S): Add handling of floating point
+       registers, memory, constants and invalid operands.
+
+2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
+
+       * ipa-pure-const.c: Change dump name.
+
+2005-08-31 Uros Bizjak <uros@kss-loka.si>
+
+       PR target/23570
+       * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
+       to "reg_or_0_operand".
+       (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
+
+2005-08-31  Dale Johannesen  <dalej@apple.com>
+
+       * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
+       loops that count down.
+
+2005-08-31  Richard Henderson  <rth@redhat.com>
+
+       PR rtl-opt/23601
+       * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
+       (fixup_eh_region_note): New.
+       (reload_as_needed): Call it.
+       (fixup_abnormal_edges): Allow all throwing insns to be deleted;
+       don't call find_many_sub_basic_blocks; call verify_flow_info.
+       * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
+       (keep_stack_depressed): Likewise.
+       (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
+
+2005-08-31  Richard Henderson  <rth@redhat.com>
+
+       * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
+       fp return matching.
+
+2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
+
+       * expr.c (expand_expr_real_1): Compare size of address
+       mode to target's address mode size in deciding expansion of
+       the constant address.
+
+2005-08-31  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/23477
+       * expr.c (all_zeros_p): New function.
+       (expand_expr_real_1): Handle the case of an all-zero
+       non-addressable constructor separately.
+
+2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
+
+       * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
+       arguments, adjust all callers.
+       (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
+
+2005-08-30  Richard Henderson  <rth@redhat.com>
+
+       PR target/23630
+       * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
+       whenever the mode sizes match.
+
+2005-08-31  Alan Modra  <amodra@bigpond.net.au>
+
+       * calls.c (load_register_parameters): Fix comment typo.
+       * expr.c (emit_push_insn): Comment formatting.
+
+2005-08-30  Ian Lance Taylor  <ian@airs.com>
+
+       * config/i386/x-cygwin (host-cygwin): Change dependency from
+       hosthooks-def.h to $(HOSTHOOKS_DEF_H).
+
+2005-08-29  Geoffrey Keating  <geoffk@apple.com>
+
+       * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
+       parts of 'vals'.
+
+2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       PR middle-end/23408
+       * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
+       call to ggc_collect.
+
+2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
+
+       PR bootstrap/21268
+       * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
+       beginning.  Remove $(INCLUDES) from all the rules, if following
+       $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
+
+2005-08-29  Jakub Jelinek  <jakub@redhat.com>
+
+       PR middle-end/23484
+       * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
+       fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
+       not constant, but maxlen is, don't set len to maxlen, rather
+       set maxlen to len if len is a constant.
+
+2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
+
+       PR tree-optimization/23475
+       * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
+       and counts.
+
+2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
+
+       Fix PR middle-end/22455
+
+       * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
+       Checksum only the parts of the tree that exist for the tree code.
+
+2005-08-28  Dale Johannesen  <dalej@apple.com>
+
+       * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
+
+2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
+
+2005-08-28  Richard Henderson  <rth@redhat.com>
+
+       * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
+       * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
+       of char_type_node.
+
+2005-08-28  Jakub Jelinek  <jakub@redhat.com>
+
+       PR ada/23593
+       * builtins.c (get_memory_rtx): Don't strip nops
+       in between COMPONENT_REFs.
+
+2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       PR middle-end/23463
+       * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
+       types.
+       (gimplify_modify_expr): Check for zero sized types and gimplify the
+       rhs and lhs as statements.
+
+2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
+
+       PR libgcj/23508
+       * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
+       state for return address column of signal frames.
+
+2005-08-27  David Edelsohn  <edelsohn@gnu.org>
+
+       PR target/23539
+       * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
+       bytes >= 2 not bytes == 2.
+       (expand_block_move): Same.
+
+2005-08-27  Richard Guenther  <rguenther@suse.de>
+
+       PR target/23575
+       * config/i386/sse.md (sse2_movsd): Add missing closing
+       braces.
+
+2005-08-27  Paul Brook  <paul@codesourcery.com>
+
+       * genrecog.c (enum decision_type): Add DT_num_insns.
+       (struct decision_test): Add u.num_insns.
+       (add_to_sequence): Add DT_num_insns test.
+       (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
+       (write_cond, debug_decision_2): Ditto.
+       (change_state): Assume peep2_next_insn never fails.
+       Remove "afterward" argument.
+       (write afterward, write_tree): Update to match.
+       * recog.c (peep2_current_count): New variable.
+       (peep2_next_insn): Check it.
+       (peephole2_optimize): Set peep2_current_count.
+       * recog.h (peep2_current_count): Declare.
+
+2005-08-26  Josh Conner  <jconner@apple.com>
+
+       PR middle-end/23584
+       * ipa-pure-const.c (check_tree): Check for volatile-ness
+       when considering a dereference.
+
+2005-08-27  Jakub Jelinek  <jakub@redhat.com>
+
+       * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
+
+2005-08-26  Jakub Jelinek  <jakub@redhat.com>
+
+       PR rtl-optimization/23561
+       * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
+       a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
+       at most LEN bytes long memory fits into the field.
+       (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
+       expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
+       expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
+
+2005-08-26  Richard Henderson  <rth@redhat.com>
+
+       PR rtl-opt/23560
+       * loop.c (biased_biv_may_wrap_p): New.
+       (maybe_eliminate_biv_1): Use it to suppress non-equality
+       comparison transformations.  Delete disabled code.
+
+2005-08-26  Ian Lance Taylor  <ian@airs.com>
+
+       * combine.c (make_extraction): Avoid reference outside object.
+
+2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
+
+       * stor-layout.c (finalize_type_size): Restore behaviour for
+       non-aggregate types to the status quo ante of the patch for
+       pr 23467.  Document why it matters.
+
+2005-08-26  Jakub Jelinek  <jakub@redhat.com>
+
+       PR c/23506
+       * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
+       array by one element, initialize the BT_LAST element with NULL.
+
+2005-08-26  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
+       optimizing for size.
+       (plus_eqsi): Same.
+       (compare_plus_eqsi): Same.
+       (plus_eqsi_compare): Same.
+       (neg_eq0<mode>): Same.
+       (neg_eq<mode>): Same.
+
+       * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
+       PROCESSOR_POWER4.
+
+2005-08-26  Nick Clifton  <nickc@redhat.com>
+
+       * config/v850/v850.c (ep_memory_operand): Return FALSE if
+       TARGET_EP is not defined.
+       * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
+       TARGET_EP is enabled.
+       (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
+       * config/v850/v850.md (save_all_interrupt): Only use the EP
+       register if TARGET_EP is defined.
+       (restore_all_interrupt): Likewise.
+       * config/v850/lib1funcs.asm: Update functions so that the EP
+       register is only used if __EP__ is defined.
+
+2005-08-26  David Ung  <davidu@mips.com>
+
+       * config/mips/mips.c (mips_expand_prologue): Handle case when
+       generating for MIPS16 and the outgoing argument area is more than
+       SMALL_OPERAND. Use the frame pointer as temporary to generate the
+       add instruction.
+
+2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
+
+       * config/crx/crx.md: Make doloop_end pattern usage controllable
+       via mloop-nesting=<max-nesting> command line switch. Make sure
+       the combiner cannot use doloop_end_<mode> in an illegal way.
+       * config/crx/crx.c: Use regs up to r6 for argument passing.
+       Refine crx_address_cost (non cst4 displacements are expensive).
+       * config/crx/crx.opt: Add switch for mloop-nesting=.
+
+2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
+
+       * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
+       (UNSPEC_MVST): New constant.
+
+2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
+
+       * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
+       Reject operands containing eliminable registers.
+       * testsuite/gcc.dg/20050825-1.c: New testcase.
+
+2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
+           Jan Hubicka  <jh@suse.cz>
+
+       * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
+
+2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
+
+       PR tree-optimization/23546
+       * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
+       and REAL_CST nodes.
+
+2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
+
+       * params.def (PARAM_MIN_SPEC_PROB): New.
+       * sched-rgn.c (MIN_PROBABILITY): Delete.
+       (compute_trg_info): Convert to PARAM_VALUE.
+       * doc/invoke.texi (param): Document min-spec-prob.
+
+2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
+
+       * config/darwin.h: define __PIC__
+       * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
+       TARGET_OS_CPP_BUILTINS macro.
+
+2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
+
+       * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
+       yesterday.
+
+2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
+
+       * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
+       to duplicate_block.
+       * cfghooks.c (duplicate_block): Added position where to place
+       new block as argument.
+       * cfghooks.h (duplicate_block): Declaration changed.
+       * cfglayout.c (copy_bbs): Add argument after.  Pass it to
+       duplicate_block.
+       * cfglayout.h (copy_bbs): Declaration changed.
+       * cfgloop.h (loop_version): Declaration changed.
+       * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
+       position to copy_bbs.
+       (loop_version): Pass position to duplicate_loop_to_header_edge.
+       Add place_after argument and position new blocks according to
+       it.
+       * modulo-sched.c (sms_schedule): Pass place_after argument
+       to loop_version.
+       * tracer.c (tail_duplicate): Pass argument to duplicate_block.
+       * tree-cfg.c (split_edge_bb_loc): New function.
+       (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
+       to determine position of new blocks.
+       * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
+       to loop_version.
+       * tree-ssa-threadupdate.c (create_block_for_threading): Pass
+       argument to duplicate_block.
+       * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
+       Pass position to copy_bbs.
+
+2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
+
+       * fold-const.c (ptr_difference_const): Use
+       cst_and_fits_in_hwi instead of host_integerp.
+
+2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
+
+       * config/darwin.c (gen_pic_offset): New.
+       (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
+       Use it.
+
+2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
+
+       PR tree-optimization/23486
+       * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
+
+2005-08-23  Phil Edwards  <phil@codesourcery.com>
+
+       * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
+       remove use_collect2.
+       (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
+
+       * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
+       configuration files to override the default value.
+
+       * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
+       EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
+       * config/vx-common.h:  New file, split out from...
+       * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
+       * config/vxworksae.h:  New file, for VxWorks AE.
+       * config/vxworks.opt:  New file.
+       * config/vxlib.c:  Update for VxWorks 6.
+
+       * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
+       other MULTILIB_* variables appropriately.
+       (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
+       * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
+       * config/rs6000/vxworks.h:  Update for VxWorks 6.
+       * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
+
+2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       PR target/20799
+       * config/darwin.c (machopic_select_section): Remove the hack to
+       mark "::operator new" and "::operator delete" for coalescing
+       even though they are not weak.
+
+2005-08-24  Alan Modra  <amodra@bigpond.net.au>
+
+       * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
+       * configure: Regenerate.
+
+2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
+
+       PR middle-end/23517
+       * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
+       between vectors.
+       * convert.c (convert_to_integer, convert_to_vector): Likewise.
+       * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
+       Likewise.
+
+2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
+
+       * config/rs6000/predicates.md (equality_operator): New.
+       * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
+       comparison with a large constant.
+
+2005-08-23  Mark Mitchell  <mark@codesourcery.com>
+
+       * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
+
+2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
+
+       * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
+       registers is even, and we have a hardware double precision fp,
+       align the buffer.
+       (sh_gimplify_va_arg_expr): For floating point arguments, consider
+       size of current argument when checking if argument was passed in
+       registers.
+
+       * sh.c (sh_attr_renesas_p): Handle error_mark_node.
+
+       PR middle-end/23467
+       * stor-layout.c (finalize_type_size): Dont override
+       existing alignment with a smaller alignment from the mode.
+
+2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
+
+       * lambda-code.c (lambda_vector_lexico_pos): Moved...
+       * lambda.h (lambda_vector_lexico_pos): ... here.
+       * tree-data-ref.c (build_classic_dist_vector): Return false when
+       the distance vector is lexicographically negative.
+
+2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
+
+       PR tree-optimization/23511
+       * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
+       handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
+
+2005-08-23  Jakub Jelinek  <jakub@redhat.com>
+
+       PR tree-optimization/22043
+       * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
+       * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
+       If ALLOW_FLEXARR, handle types ending with flexible array member.
+       Pass false as second argument to recursive count_type_elements calls.
+       (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
+       argument to count_type_elements call.
+       * tree-sra.c (decide_block_copy): Likewise.
+       * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
+       for a constant-sized object, set cleared as well.  Pass true as
+       second argument to count_type_elements call.
+
+2005-08-23  Alan Modra  <amodra@bigpond.net.au>
+
+       PR target/21571
+       * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
+       from legitimate_small_data_p, and make global.  Update use.
+       Remove forward declaration.
+       * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
+       Declare.
+       * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
+
+2005-08-23  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
+       of scratch intermediates.
+       (eq<mode>_compare): Same.
+       (neg_eq0<mode>): New.
+       (neg_eq<mode>): Convert to define_insn_and_split.
+
+2005-08-23  Alan Modra  <amodra@bigpond.net.au>
+
+       PR target/23070
+       * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
+       stdarg functions, set/clear the fp marker even when no variable
+       args are passed.
+       * config/rs6000/sysv4.opt (mprototype): Describe.
+
+2005-08-22  Jakub Jelinek  <jakub@redhat.com>
+
+       PR rtl-optimization/23478
+       * regs.h (reg_info): Add throw_calls_crossed.
+       (REG_N_THROWING_CALLS_CROSSED): Define.
+       * flow.c (allocate_reg_life_data): Initialize
+       REG_N_THROWING_CALLS_CROSSED.
+       (propagate_one_insn, attempt_auto_inc): Update
+       REG_N_THROWING_CALLS_CROSSED.
+       * global.c (global_alloc): Don't allocate pseudos across
+       calls that may throw.
+
+2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       PR c/18715
+       * c-common.c (c_do_switch_warnings): Look for a node where the enum's
+       value is inbetween the range if we did not find an exact match.
+
+2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
+
+       * doc/invoke.texi (Option Summary): Add ms1 options.
+       * doc/extend.texi: Document interrupt handler attribute for ms1.
+       * doc/md.texi: Document ms1 constraints.
+       * config.gcc: Add ms1-*-elf.
+       * config/ms1/ms1.h: New.
+       * config/ms1/ms1.c: New.
+       * config/ms1/ms1.md: New.
+       * config/ms1/ms1-protos.h: New.
+       * config/ms1/ABI.txt: New.
+       * config/ms1/crti.asm: New.
+       * config/ms1/crtn.asm: New.
+       * config/ms1/lib2extra-funcs.c: New.
+       * config/ms1/t-ms1: New.
+       * config/ms1/ms1.opt: New.
+
+2005-08-22 Ira Rosen <irar@il.ibm.com>
+
+       * config/rs6000/altivec.md (xorv4sf3): New.
+       (negv4sf2, neg<mode>2): Likewise.
+
+2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR target/23485
+       * config/ia64/ia64.md (divsi3): Check divide by zero.
+       (udivsi3): Likewise.
+       (divdi3): Likewise.
+       (udivdi3): Likewise.
+
+2005-08-21  Jakub Jelinek  <jakub@redhat.com>
+
+       * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
+       up to elem_bitsize bits, not max_bitsize.
+
+2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
+
+       PR tree-optimization/23433
+       * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
+       REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
+
+2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
+
+       PR tree-optimization/23434
+       * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
+       the iteration bound is not an INTEGER_CST.
+
+2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
+
+       * tree-vect-transform.c (get_initial_def_for_reduction): Set
+       need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
+       NULL if need_epilog_adjust is false.
+       (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
+       Case 3 always peels first itration, not just for PLUS case, and no need
+       to use scalar_initial_def here. Create an epilog adjustment only if
+       scalar_initial_def is not NULL.
+
+       (vectorizable_reduction): Remove assert.
+
+2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR target/23485
+       * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
+       (__moddi3): Likewise.
+       (__udivdi3): Likewise.
+       (__umoddi3): Likewise.
+       (__divsi3): Likewise.
+       (__modsi3): Likewise.
+       (__udivsi3): Likewise.
+       (__umodsi3): Likewise.
+
+2005-08-20  Jakub Jelinek  <jakub@redhat.com>
+
+       * tree-pass.h (TDF_GRAPH): Define.
+       * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
+       * passes.c (finish_optimization_passes): Only call
+       finish_graph_dump_file if TDF_GRAPH is set.
+       (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
+       NULL.  Set TDF_GRAPH bit.
+       (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
+
+2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
+
+       * arm.h (arm_stack_offsets): Add locals_base field.
+       * arm.c (arm_get_frame_offsets): Compute it.
+       (thumb_compute_initial_elimination offset): Make the Thumb frame
+       pointer point to the base of the local variables.
+       (thumb_expand_prologue): Update accordingly.
+       (thumb_expand_epilogue): Likewise.
+
+       * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
+       mode of clobbered scratch to DImode.  Handle a case that's known to
+       need this.
+
+2005-08-19  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/rs6000.md (gt0<mode>): Delete.
+       (gt0<mode>_compare): Delete.
+       (neg_gt0<mode>): Delete.
+
+2005-08-19  Eric Christopher  <echristo@apple.com>
+
+       * optabs.h: Change CTI_ to COI_.
+       * optabs.c: Ditto.
+
+2005-08-19  James E Wilson  <wilson@specifix.com>
+
+       * builtins.c (expand_builtin_return_addr): Set
+       current_function_accesses_prior_frames when count != 0.  Use
+       frame_pointer_rtx when count == 0.
+       * function.h (struct function): Add accesses_prior_frames field.
+       (current_function_accesses_prior_frames): Define.
+       * reload1.c (init_elim_table): Check
+       current_function_accesses_prior_frames.
+       * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
+
+2005-08-19  Diego Novillo  <dnovillo@redhat.com>
+
+       * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
+       indicator.  Return true if the flowgraph changed during
+       cleanup.
+
+2005-08-19  Diego Novillo  <dnovillo@redhat.com>
+
+       PR 23476
+       * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
+       conditional expression before testing its value.
+
+2005-08-19  Diego Novillo  <dnovillo@redhat.com>
+
+       * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
+
+2005-08-19  Devang Patel  <dpatel@apple.com>
+
+       PR tree-optimization/23048
+       * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
+       third parameter. Check whether latch is dominated by exit
+       block or not.
+       (if_convertible_loop_p): Supply exit block itself to
+       if_convertible_bb_p.
+
+2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
+
+       PR target/23473
+       * arm.md (arm_load_pic_register): Change argument to the mask of
+       saved registers.  Call thumb_find_work_register if we need a
+       scratch register on Thumb.
+       (arm_expand_prologue): Pass empty register set to
+       arm_load_pic_register.
+       (thumb_expand_prologue): Pass live_regs_mask directly to
+       arm_load_pic_register.
+       * arm-protos.h (arm_load_pic_register): Update prototype.
+
+2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
+
+       * sh.c (find_sole_member): New function.
+       (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
+       if the record's alignment is larger than the size of its only member.
+
+2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
+
+       PR target/23436
+       * arm.c (thumb_legitimize_reload_address): New function.
+       * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
+       * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
+
+2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
+
+       * config/crx/crx.c: Implement crx_decompose_address. Reject
+       symbolic displacements since CRX register relative adressing
+       mode can't handle unsigned 32-bit values as displacements.
+       * config/crx/crx.h: Simplify definitions, remove redundant
+       parenthesis and obsolete macros.
+       * config/crx/crx.opt: Add new switch for debugging addresses.
+       * config/crx/crx-protos.h: Add new declarations for above.
+
+2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       PR middle-end/20624
+       * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
+       looking past it.
+
+2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * collect2.c (dup2): Delete.
+       * configure.ac: Don't check for dup2.
+
+       * config.in, configure: Regenerate.
+
+2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
+
+       * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
+       record with the type of its only member.
+
+2005-08-18  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
+       define_insn_and_split.
+       (plus_ltu<mode>_compare): Same.
+       (gtu<mode>_compare): Same.
+       (plus_gtu<mode>_compare): Same.
+
+2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
+
+       PR tree-optimization/22228
+       * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
+       todo_flags_start.
+       * tree-vect-transform.c (vect_transform_loop): Mark the variables that
+       are recorded in vect_vnames_to_rename for renaming.
+       * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
+       (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
+       in vect_vnames_to_rename.
+       (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
+       * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
+
+2005-08-18  Jan Hubicka  <jh@suse.cz>
+
+       PR c++/22034
+       * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
+       info only for local statics, not for member variables.
+
+2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
+
+       * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
+
+2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
+
+       * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
+
+2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       PR middle-end/16045
+       * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
+
+2005-08-17  James E Wilson  <wilson@specifix.com>
+
+       * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
+       array size check.
+
+2005-08-17  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
+       (leu<mode>_compare): Same.
+       (plus_leu<mode>): Same.
+       (neg_leu<mode>): Same.
+       (and_neg_leu<mode): Same.
+       (ltu<mode>_compare): Same.
+       (plus_ltu<mode>): Same.
+       (geu<mode>): Same.
+       (geu<mode>_compare): Same.
+       (plus_geu<mode>): Same.
+       (neg_geu<mode>): Same.
+       (and_neg_geu<mode>): Same.
+       (plus_gt<mode>): Same.
+       (gtu<mode>_compare): Same.
+       (plus_gtu<mode>): Same.
+
+2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
+
+       * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
+       Move call_table_data to end.  Delete spurious .text.
+       (callt_save_all_interrupt): Fix comment typo.
+
+2005-08-17  James E Wilson  <wilson@specifix.com>
+           Kevin Winchester  <winchester@amirix.com>
+
+       PR target/21684
+       * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
+
+2005-08-17  Uros Bizjak  <uros@kss-loka.si>
+
+       PR target/23268
+       * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
+       ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
+
+2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
+
+       * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
+       record with the type of its only member if the modes don't match.
+
+       * varasm.c (decode_reg_name): Skip empty additional register names.
+
+2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
+
+       * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
+       lsm_tmp_name_length): New.
+       (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
+       (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
+
+2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
+           Andreas Krebbel  <krebbel1@de.ibm.com>
+
+       * config.gcc: Added z9-109 switch.
+       * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
+       "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
+       "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
+       "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
+       "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
+       for "z9_109" cpu attribute.
+       * config/s390/s390.c (z9_109_cost): New processor cost structure.
+       (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
+       (s390_handle_arch_option): Added z9-109 switch.
+       (override_options): Set respective cost function for z9-109.
+       (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
+       (legitimate_reload_constant_p): Accept extended immediates.
+       (print_operand): Three new output modifiers added: k, m and o.
+       (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
+       (s390_output_mi_thunk): Use extended immediate when possible.
+       * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
+       (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
+       (CONSTRAINT_LEN): Added length of O constraint.
+       (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
+       * config/s390/s390.md ("cpu"): New value z9_109 added.
+       ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
+       "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
+       "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
+       "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
+       "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
+       ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
+       "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
+       "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
+       ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
+       "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
+       "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
+       "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
+       "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
+       "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
+       "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
+       immediates.
+       ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
+       "zero_extend<mode>si2"): Allow memory operands and don't manually emit
+       insns for TARGET_EXTIMM.
+
+2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
+
+       * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
+
+2005-08-17  Nick Clifton  <nickc@redhat.com>
+
+       * config/stormy16/stormy16.c (xstormy16_encode_section_info):
+       Call default_encode_section_info.
+
+2005-08-17  Steven Bosscher  <stevenb@suse.de>
+
+       PR tree-optimization/21574
+       * tree-ssa-ccp.c (likely_value): If the right hand side is a
+       constant, return CONSTANT.
+       (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
+       (ccp_fold, visit_assignment): Likewise.
+       (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
+
+2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
+
+       * c-typeck.c (build_function_call): Call fold_buildN_initializer or
+       fold_buildN instead of buildN then fold_initializer or fold.
+       (build_unary_op): Likewise.
+       (build_binary_op): Likewise.
+       * fold-const.c (fold_initializer): Remove.
+       (fold_build1_initializer): New function.
+       (fold_build2_initializer): New function.
+       (fold_build3_initializer): New function.
+       * tree.h (fold_initializer): Remove.
+       (fold_build1_initializer): New function.
+       (fold_build2_initializer): New function.
+       (fold_build3_initializer): New function.
+
+2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
+
+       * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
+       (try_move_mult_to_index): Call fold_build2 instead of build2.
+       (fold_binary): Don't call fold after calls to try_move_mult_to_index.
+       * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
+       fold_binary_to_constant.
+       (infer_loop_bounds_from_undefined): Call fold_build2 instead of
+       fold (build.
+       * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
+       check if A == gcd (A, B).  Remove TYPE argument.
+       (analyze_offset) Use fold_build2 instead of fold (build.
+       (create_data_ref): Likewise.
+       (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
+       * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
+       then fold.
+
+2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
+
+       * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
+       ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
+
+2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       PR tree-opt/23402
+       * gimplify.c (zero_sized_type): New function.
+       (gimplify_modify_expr_rhs): If we have a zero sized type,
+       replace the statement with an empty statement.
+
+2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
+       fxsave.
+
+2005-08-16  Ian Lance Taylor  <ian@airs.com>
+
+       * doc/tm.texi (Label Output): Correct typo.
+
+2005-08-16  Steven Bosscher  <stevenb@suse.de>
+
+       PR target/23376
+       * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
+       force_operand will work later on using have_insn_for.
+
+2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
+
+       * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
+
+2005-08-16  Ian Lance Taylor  <ian@airs.com>
+
+       PR c++/23337
+       * gimplify.c (gimplify_init_ctor_eval): If we see an element of
+       vector type, don't try to construct it element by element.  Add an
+       assertion that we use a FIELD_DECL when building a COMPONENT_REF.
+
+2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
+
+       * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
+
+2005-08-16  Geoffrey Keating  <geoffk@apple.com>
+
+       * doc/invoke.texi (Precompiled Headers): Document some more options
+       which are known to be safe.
+
+2005-08-16  James E Wilson  <wilson@specifix.com>
+
+       PR tree-optimization/21105
+       * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
+       TREE_OVERFLOW check.
+
+2005-08-16  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
+       (neg_ltu<mode>): Same.
+       (gtu<mode>): Same.
+       (neg_gtu<mode>): Same.
+
+2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
+
+       * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
+       (fold_builtin_isdigit): Use fold_buildN.
+       (build_function_call_expr): Likewise.
+       * c-typeck.c (c_finish_loop): Likewise.
+
+2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
+           Richard Shann <rshann@superh.com>
+
+       PR middle-end/20396:
+       * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
+
+2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
+
+       * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
+
+2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
+
+       PR target/23355
+       * arm.c (thumb_compute_save_reg_mask): Use similar logic to
+       arm_compure_save_reg0_reg12_mask to determine when the PIC register
+       must be saved.
+
+2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+       PR middle-end/23369
+       * fold-const.c (build_range_check): Disable optimization for function
+       pointer expressions on targets that require function pointer
+       canonicalization.
+
+2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
+
+       * simplify-rtx.c (simplify_const_relational_operation): When
+       extracting arguments of a COMPARE, recompute the mode as well.
+
+2005-08-15  Ian Lance Taylor  <ian@airs.com>
+
+       * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
+
+2005-08-15  DJ Delorie  <dj@redhat.com>
+
+       * config/m32c/mov.md (movqi_op): Immediates can't be moved to
+       the stack.
+       (movsi_splittable): Allow, but split, moves to the stack.
+       * config/m32c/m32c.c (m32c_split_move): Always split moves to the
+       stack.
+
+2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
+       * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
+       * system.h (HOST_PTR_PRINTF): Don't define, poison it.
+
+       * bitmap.c, c-decl.c, config/i386/i386-interix.h,
+       config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
+       Delete HOST_PTR_PRINTF.
+
+       * configure, config.in: Regenerate.
+
+2005-08-15  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/rs6000.md (QHSI): New mode macro.
+       (wd): Extend mode attr for QImode and HImode
+       (dbits): New mode attr.
+       (zero_extend<mode>di2): Convert to mode macro.
+
+2005-08-15  Steve Ellcey  <sje@cup.hp.com>
+
+       PR target/21841
+       * doc/invoke.texi (-mgnu-ld): Update description.
+       (-mhp-ld): Ditto.
+
+2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
+
+       PR 23391
+       * Makefile.in (tree-chrec.o): Depends on real.h.
+       * tree-chrec.c: Include real.h.
+       (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
+       chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
+       * tree-scalar-evolution.c (add_to_evolution_1,
+       interpret_rhs_modify_expr): Ditto.
+
+2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
+
+       PR 23386
+       * tree-data-ref.c (estimate_niter_from_size_of_data): When
+       step is negative compute the estimation from init downwards to zero.
+
+2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
+
+       * fold-const (fold_binary): Call fold_build2 instead of fold (build.
+
+2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
+
+       * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
+       constraint.
+       (legitimate_reload_constant_p): Fix handling of lliXX operands.
+       Accept double-word constants that can be split.
+       * config/s390/s390.md ("movti"): Use 'P' constraint.
+       ("*movdi_31", "*movdf_31"): Likewise.
+
+2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
+
+       Fix PR tree-optimization/22615
+
+       * tree-ssa-structalias.c (solution_set_add): Handle
+       first_vi_for_offset returning NULL.
+       (do_da_constraint): Ditto.
+       (do_sd_constraint): Ditto.
+       (do_ds_constraint): Ditto
+       (find_func_aliases): Ditto.
+       (build_constraint_graph): RHS is allowed be ANYTHING.
+       (first_vi_for_offset): Return NULL if we couldn't find anything at
+       the offset.
+
+2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
+
+       * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
+       over memory as first operand.
+
+2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR target/23360
+       * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
+       available for setting it.
+
+2005-08-14  Ira Rosen  <irar@il.ibm.com>
+
+       PR tree-optimization/23320
+       * tree-data-ref.c (base_addr_differ_p): Add comment. Check
+       data-refs' types instead of base object nullness. Add check for
+       pointer type data-refs before first location comparison. Remove
+       assert.
+
+2005-08-14  Andreas Schwab  <schwab@suse.de>
+
+       * doc/md.texi (Machine Constraints): Fix misplaced @end table.
+
+2005-08-13  James E Wilson  <wilson@specifix.com>
+
+       * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
+       * doc/invoke.texi (-Wstack-protector, -fstack-protector,
+       -fstack-protector-all, --param ssp-buffer-size): Document.
+       (-Wvariadic-macros): Alphabetize.
+       (-fsched-stalled-insns-dep): Add missing 'f'.
+
+       * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
+       macros.
+
+2005-08-13  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
+       or indirect address operand.
+       (EXTRA_ADDRESS_CONSTRAINT): New.
+       * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
+
+2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
+
+       PR tree-optimization/22236
+       * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
+       successors and predecessors.
+       * tree-chrec.c (chrec_convert): Before converting, check that
+       sequences don't wrap.
+       * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
+       (analyze_array): Extern.
+       (find_data_references_in_loop): Remove call to
+       compute_estimated_nb_iterations.
+       * tree-data-ref.h (analyze_array): Declared.
+       * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
+       single_ssa_def_operand, zero_ssa_operands): Fix documentation.
+       * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
+       * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
+       condition.
+       * tree-ssa-loop-ivcanon.c: Fix documentation.
+       * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
+       * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
+       (infer_loop_bounds_from_undefined): New.
+       (estimate_numbers_of_iterations_loop): Use
+       infer_loop_bounds_from_undefined.
+       (used_in_pointer_arithmetic_p): New.
+       (scev_probably_wraps_p): Pass an extra parameter.  Call
+       used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
+       (convert_step): Fix documentation.
+       * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
+       Use initial_condition_in_loop_num and evolution_part_in_loop_num
+       instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
+       scev_probably_wraps_p.
+
+2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
+
+       * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
+       (s390_register_info): Ignore clobbered_regs information for fixed
+       registers, and only fixed registers.
+       (s390_init_frame_layout): Remove redundant call.
+
+2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
+
+       * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
+       description of -Wold-style-casts.
+
+2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
+           Jakub Jelinek  <jakub@redhat.com>
+
+       * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
+       * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
+       * config/s390/s390.c (print_operand): New output modifier 'G' added.
+       (get_thread_pointer): Renamed to s390_get_thread_pointer.
+       * config/s390/s390.md (stack_protect_set, stack_protect_test): If
+       TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
+       (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
+       (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
+       ("stack_protect_set", "stack_protect_test"): New expanders.
+       ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
+       "stack_protect_testdi"): New insn definitions.
+
+2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
+
+       * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
+
+2005-08-12  Paul Brook  <paul@codesourcery.com>
+
+       * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
+
+2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
+
+       * config/s390/predicates.md (setmem_operand): New predicate.
+       (shift_count_operand): Accept ANDs with special constants as
+       operand.
+       * config/s390/s390.c (print_shift_count_operand): Skip ANDs
+       with special constants.
+       * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
+       shift_count_operand with setmem_operand.
+
+2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
+
+       * config/s390/s390.c (s390_extract_part, s390_single_part):
+       Type cast added.
+       (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
+       (s390_output_mi_thunk): Don't use lg on 31 bit.
+       * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
+       ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
+
+2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
+
+       * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
+       (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
+       s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
+       s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
+       with one of the new macros.
+
+2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
+
+       * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
+       Don't set save_return_addr_p.
+       (s390_register_info): Make clobbered_regs not depending on
+       save_return_addr_p.
+
+2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+       * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
+       (LINK_COMMAND_SPEC): Add space after %(link_ssp).
+
+2005-08-11  James E. Wilson  <wilson@specifix.com>
+
+       * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
+
+2005-08-11  Jakub Jelinek  <jakub@redhat.com>
+
+       * dwarf2out.c (add_location_or_const_value_attribute): Prefer
+       locations gathered by var-tracking in single entry loc_list
+       over loc_descriptor_from_tree.
+
+       * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
+       pass it down to loc_descriptor.
+       (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
+       (containing_function_has_frame_base): Move earlier in the file.
+       (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
+       instead of always assuming fbreg can't be used.
+
+2005-08-11  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/altivec.md: Change constraint "m" to "Z".
+       * config/rs6000/predicates.md (indexed_or_indirect_operand):
+       Accept address wrapped in AND for Altivec.
+       * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
+       Strip AND wrapping offset address for Altivec.
+
+2005-08-11  Richard Henderson  <rth@redhat.com>
+
+       PR middle-end/23312
+       * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
+       before using TYPE_IS_SIZETYPE.
+
+2005-08-11  Richard Henderson  <rth@redhat.com>
+
+       PR target/22225
+       * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
+       insn types not present on ev4.
+       (alphaev5_insn_pipe): Similarly.
+
+2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
+
+       PR target/23250
+       * arm.c (arm_override_options): If the user has selected callee-super-
+       interworking, then enable normal interworking.
+
+2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
+       redefinition.
+
+2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
+
+       * doc/rtl.texi: Fix two typos.
+
+2005-08-11  Richard Guenther  <rguenther@suse.de>
+
+       PR target/23289
+       * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
+       cases where we call to/from functions returning void.
+
+2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
+
+       PR c++/23225
+       * tree.c (build_pointer_type_for_mode): Robustify.
+
+2005-08-10  James E Wilson  <wilson@specifix.com>
+
+       * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
+       (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
+
+       * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
+       "cum->".
+
+2005-08-10  Eric Christopher  <echristo@apple.com>
+
+       * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
+       * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
+       V2DFmode.
+
+2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       PR target/21887
+       * config/darwin.c (machopic_indirect_data_reference): Use a new register
+       for the high part when generating dynamic-no-pic code.
+
+2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
+       (x86_64-*-linux*): Likewise.
+
+       * config/i386/crtfastmath.c: New file.
+       * config/i386/t-crtfm: Likewise.
+
+       * config/i386/linux.h (ENDFILE_SPEC): New.
+       * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
+
+       * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
+       crtfastmath.o.
+
+2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
+
+       * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
+       (vec_shl, vec_shr): Document new operations.
+       * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
+
+2005-08-10  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/predicates.md (indexed_or_indirect_address): New.
+       * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
+       change predicate to indexed_or_indirect_address.
+
+2005-08-10  Richard Sandiford  <richard@codesourcery.com>
+
+       * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
+       * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
+       __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
+       and __aeabi_uwrite8.
+       * config/arm/unaligned-funcs.c: New file.
+       * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
+
+2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
+
+       * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
+       Add dump.
+       * cfglayout.c (pass_insn_locators_initialize): Add dump.
+       * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
+       Add dump.
+       * except.c (pass_convert_to_eh_region_ranges): Add dump.
+       * final.c (pass_shorten_branches): Add dump.
+       * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
+       (pass_life): Rename dump.
+       (rest_of_handle_flow2): Remove initial verify_flow_info.
+       * function.c (pass_instantiate_virtual_regs): Add dump.
+       * integrate.c (pass_initial_value_sets): Add dump.
+       * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
+       * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
+       (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
+       pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
+       (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
+       gate_rtl_unrool_and_peel_loops): New.
+       (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
+       rtl_doloop): Do not look at flags.
+       * mode-switching.c (pass_mode_switching): Add dump.
+       * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
+       pass_split_before_regstack): Add dump.
+       * regmove.c (pass_stack_adjustments): Add dump.
+       * tree-optimize.c (pass_fixup_cfg): Add dump.
+
+2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
+
+       PR 23309
+       * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
+       deciding which instruction sequence to use.
+
+2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
+
+       * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
+       BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
+
+2005-08-09  Richard Guenther  <rguenther@suse.de>
+
+       * c-common.c (builtin_function_2): Remove.
+       (def_builtin_1): New function.
+       (c_common_nodes_and_builtins): Use def_builtin_1 to
+       build builtin functions.
+
+2005-08-09  Jie Zhang  <jie.zhang@analog.com>
+
+       * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
+       * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
+       * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
+       Visual DSP.
+
+2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
+
+       * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
+       fold_binary instead of fold_build2 since we don't care about the
+       resulting tree.
+       (loop_niter_by_eval): Likewise.
+       (compare_trees): Likewise.
+       (proved_non_wrapping_p): Likewise.
+
+2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
+
+       PR c/23161
+       PR c/23165
+       * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
+       if the if is really empty.
+
+2005-08-09  Steven Bosscher  <stevenb@suse.de>
+
+       PR tree-optimization/23234
+       * tree-ssa-math-opts.c (place_reciprocal): New enum.
+       (execute_cse_reciprocals_1): Replace the 'phi' argument with an
+       argument of the new enum.
+       (execute_cse_reciprocals): Add reciprocals for function arguments
+       on the unique successor edge of the entry block.  Update other calls
+       to execute_cse_reciprocals_1.
+
+2005-08-08  Richard Henderson  <rth@redhat.com>
+
+       PR 22439
+       * gimplify.c (gimplify_one_sizepos): Preserve the original type.
+
+2005-08-08  Bob Wilson  <bob.wilson@acm.org>
+
+       * expr.c (write_complex_part): Return after handling MEM.
+
+2005-08-08  Josh Conner  <jconner@apple.com>
+
+       PR rtl-optimization/23241
+       * combine.c (simplify_comparison): Fix error in determining
+       whether to lift a subreg from comparison.
+
+2005-08-08  David Edelsohn  <edelsohn@gnu.org>
+
+       PR target/18506
+       * config/rs6000/altivec.md (vec_init<mode>): New.
+       (vec_set<mode>): New.
+       (vec_extract<mode>): New.
+       * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
+       (rs6000_expand_vector_set): New.
+       (rs6000_expand_vector_extract): New.
+       (rs6000_legitimate_offset_address_p): Offset addresses are valid
+       for Altivec modes before reload.
+       (altivec_expand_vec_init_builtin): New.
+       (get_element_number): New.
+       (altivec_expand_vec_set_builtin): New.
+       (altivec_expand_vec_ext_builtin): New.
+       (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
+       builtins.
+       (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
+       builtins.
+       * config/rs6000/rs6000.h (rs6000_builtins): Add
+       ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
+       ALTIVEC_BUILTIN_VEC_EXT_<mode>.
+       * config/rs6000/rs6000-protos.h: Declare new functions.
+
+2005-08-08  Jan Hubicka  <jh@suse.cz>
+
+       * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
+       (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
+       * i386.md (movdi*): Use pic_32bit_operand.
+       * predicates.md (pic_32bit_operand): New.
+
+2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
+
+       PR c++/21166
+       * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
+
+2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
+
+       * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
+       (test_for_singularity): Use fold_build2.
+
+2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+       * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
+
+2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
+
+       * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
+       (COMMON_ASM_OP) Define.
+       * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
+       (ix86_encode_section_info): Likewise.
+       (TARGET_ENCODE_SECTION_INFO): Conditionally define as
+       SUBTARGET_ENCODE_SECTION_INFO.
+
+2005-08-06  Richard Henderson  <rth@redhat.com>
+
+       PR 21894
+       * tree-nested.c (convert_local_reference): Save and restore val_only
+       around component_ref and friends.  Clear walk_subtrees by default.
+
+2005-08-06  Peter O'Gorman  <peter@pogma.com>
+
+       PR 21366
+       * gcc.c (process_command): Check the argument to -b has a dash.
+       * doc/invoke.texi: Update -b and -V docs.
+
+2005-08-06  James E Wilson  <wilson@specifix.com>
+
+       * config/mips/cross64.h, config/mips/t-cross64: Delete.
+
+2005-08-06  Michael Matz  <matz@suse.de>
+
+       * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
+       member only if only one insn is associated with the value.
+
+2005-08-06  Nick Clifton  <nickc@redhat.com>
+
+       * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
+       New define.
+       (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
+       * config/stormy16/stormy16.c (xstormy16_below100_symbol):
+       Check symbol flags instead of symbol name mangling.
+       (xstormy16_asm_output_aligned_common): Likewise.  Also
+       simplify code since the bss100_section cass is the only case
+       where the below100 code will be triggered.
+       (xstormy16_encode_section_info): Encode below100 attribute
+       using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
+       the name.
+       (xstormy16_strip_name_encoding): Delete - this function is no
+       longer needed.
+       (TARGET_STRIP_NAME_ENCODING): Undefine.
+       * config/stormy16/stormy16-protos.h: Delete prototype for
+       xstormy16_strip_name_encoding.
+
+2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
+
+       * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
+       config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
+       tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
+       config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
+       config/alpha/predicates.md, config/arc/arc.h,
+       config/arm/arm.h, config/arm/ieee754-df.S,
+       config/arm/ieee754-sf.S, config/bfin/bfin.c,
+       config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
+       config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
+       config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
+       config/m68hc11/m68hc11.h, config/mips/mips.c,
+       config/mips/mips.h, config/mips/openbsd.h,
+       config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
+       config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
+       config/rs6000/rs6000.c, config/rs6000/rs6000.h,
+       config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
+       config/sparc/linux.h, config/sparc/linux64.h,
+       config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
+       doc/extend.texi, doc/gcov.texi, doc/install.texi,
+       doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
+       typos.  Follow spelling conventions.
+
+2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
+
+       PR c/23113
+       * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
+       Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
+       specially.  Check for side effects only for COND_EXPR.
+       * c-typeck.c (c_finish_stmt_expr): Mark statement expression
+       return with TREE_NO_WARNING.
+
+2005-08-06  Richard Sandiford  <richard@codesourcery.com>
+
+       PR rtl-optimization/23233
+       * loop.c (combine_movables): Require the modes to be the same.
+       (move_movables): Remove handling of cases where the replacement
+       had a different mode to the original.
+
+2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
+
+       PR tree-optimization/23128
+       * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
+       subtraction wrap, and set TREE_OVERFLOW if they do.
+
+2005-08-05  Richard Henderson  <rth@redhat.com>
+
+       PR 21728
+       * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
+       FORCED_LABEL labels.
+
+2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
+
+       PR middle-end/23135
+       * reload.c (find_reloads_subreg_address): Pass down TYPE
+       unchanged.  Change all callers except find_reloads_toplev.
+
+2005-08-05  Michael Matz  <matz@suse.de>
+
+       * genattrtab.c (current_alternative_string): Remove.
+       (SIMPLIFY_ALTERNATIVE): Ditto.
+       (attr_alt_bit_p): Ditto.
+       (alternative_name): Make const char *.
+       (evaluate_eq_attr): Remove use of above things.
+       (simplify_test_exp): Ditto.
+       (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
+       (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
+
+2005-08-04  James E Wilson  <wilson@specifix.com>
+
+       * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
+       config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
+       config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
+       config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
+       (LINK_SPEC): Delete useless %{Wl,*:%*} item.
+
+2005-08-04  Richard Henderson  <rth@redhat.com>
+
+       PR 21529
+       * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
+       * params.h (SRA_MAX_STRUCTURE_COUNT): New.
+       * tree-sra.c (decide_block_copy): Use it.  Disable element copy
+       if we'd have to instantiate too many members.
+
+2005-08-04  Richard Henderson  <rth@redhat.com>
+
+       PR 21291
+       * tree-outof-ssa.c (coalesce_asm_operands): New.
+       (coalesce_ssa_name): Use it.  Split out ...
+       (coalesce_phi_operands, coalesce_result_decls): ... these.
+
+2005-08-04  Paul Brook  <paul@codesourcery.com>
+
+       * read-rtl.c (read_quoted_string): Break if EOF.
+
+2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       * tree.h (fold_build1): Change to macro and call fold_build1_stat.
+       (fold_build2): Likewise.
+       (fold_build3): Likewise.
+       (fold_build1_stat): New function prototype.
+       (fold_build2_stat): Likewise.
+       (fold_build3_stat): Likewise.
+       * fold-const.c (fold_build1): Rename to ..
+       (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
+       through to build1_stat.
+       (fold_build2): Rename to ..
+       (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
+       through to build2_stat.
+       (fold_build3): Rename to ..
+       (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
+       through to build3_stat.
+
+2005-08-04  David Edelsohn  <edelsohn@gnu.org>
+           Ian Lance Taylor  <ian@airs.com>
+
+       * function.c (assign_stack_local_1): Do not correct stack slot
+       address if allocation size is smaller than mode size.
+
+2005-08-04  Diego Novillo  <dnovillo@redhat.com>
+
+       PR 22037
+       * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
+       (tree_merge_blocks): Propagate anything allowed by
+       may_propagate_copy.
+       Clarify documentation.
+       * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
+       SSA form, schedule an update if necessary.
+
+2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
+
+       * doc/install.texi (Binaries): Remove broken link to
+       Sinix/Reliant Unix binaries.
+
+2005-08-03  Richard Henderson  <rth@redhat.com>
+
+       PR 23221
+       * function.c (stack_protect_epilogue): Export.
+       * tree.h (stack_protect_epilogue): Declare.
+       * calls.c (expand_call): Call it.
+
+2005-08-03  Eric Christopher  <echristo@apple.com>
+
+       * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
+       * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
+       spec.
+
+2005-08-04  Jan Hubicka  <jh@suse.cz>
+
+       * profile.c (branch_prob): Split edges with goto locus on them
+       to get proper line counts.
+       * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
+
+2005-08-03  Paul Brook  <paul@codesourcery.com>
+
+       * function.c (assign_parms): Round current_function_args_size
+       to PARM_BOUNDARY, not STACK_BOUNDARY.
+
+2005-08-03  Geoffrey Keating  <geoffk@apple.com>
+
+       * config/i386/i386.c (x86_elf_aligned_common)
+       (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
+
+2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
+
+       PR tree-optimization/23157
+       * tree-scalar-evolution.c (scev_const_prop): Unshare trees
+       before emitting them.
+
+2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
+
+       PR tree-optimization/19899
+       * Makefile.in (tree-scalar-evolution.o): Add real.h.
+       * tree-scalar-evolution.c: Include real.h.
+       (add_to_evolution): Build constant -1 of correct type.
+
+2005-08-03  Jan Hubicka  <jh@suse.cz>
+
+       * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
+       * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
+       profile updating for complette unrolling.
+       * loop-unroll.c (peel_loop_completely): Use it.
+       * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
+       (tree_unroll_loops_completely): Disable code growing unrolling of cold
+       loops.
+
+2005-08-03  Paul Brook  <paul@codesourcery.com>
+
+       * combine.c (can_change_dest_mode): New function.
+       (try_combine, simplify_set): Use it.
+
+2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
+       TFmode to BLKmode.
+
+2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
+
+       * doc/install.texi (Specific): Adjust link to openavr.org.
+       (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
+       (Binaries): Adjust HP-UX Porting Center link.
+       (Binaries): Adjust Free Software Foundation ordering link.
+
+2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       * convert.c (convert_to_integer): Use fold_build1 instead of
+       build1 when converting an integer to an integer.
+
+2005-08-02  Richard Henderson  <rth@redhat.com>
+
+       * combine.c (combine_instructions): Don't use reg_equal/equiv
+       results if the mode doesn't match.
+
+2005-08-02  Mark Mitchell  <mark@codesourcery.com>
+
+       * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
+       * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
+
+2005-08-02  Richard Henderson  <rth@redhat.com>
+
+       PR 23196
+       * explow.c (memory_address): Remove special-case for
+       virtual_stack_vars_rtx and virtual_incoming_args_rtx.
+
+2005-08-02  Diego Novillo  <dnovillo@redhat.com>
+
+       PR 23164
+       * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
+       number of calls to cleanup_tree_cfg_1.
+
+2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
+
+       * doc/invoke.texi: document file extensions .F90 and .F95
+
+2005-08-02  Richard Guenther  <rguenther@suse.de>
+
+       * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
+       positive if its first argument is positive.
+
+2005-08-02  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/23177
+       * tree-ssa-operands.c (get_tmr_operands):