+2005-04-03 Steven Bosscher <stevenb@suse.de>
+
+ PR middle-end/20648
+ * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
+ a computed goto if the edge to the computed goto block has
+ incoming abnormal edges. Clarify how the function works.
+
+2005-04-03 Nathan Sidwell <nathan@codesourcery.com>
+
+ * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
+ * passes.c (open_dump_file, rest_of_handle_final): Likewise.
+ * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
+ hash_scan_set, reg_set_between_after_reload_p,
+ reg_used_between_after_reload_p, get_avail_load_store_reg,
+ eliminate_partially_redundant_load): Likewise.
+ * postreload.c (reload_cse_simplify_set,
+ reload_combine_note_use): Likewise.
+ * predict.c (predict_insn, expected_value_to_br_prob,
+ propagate_freq, expensive_function_p): Likewise.
+ * print-rtl.c (print_rtx): Likewise.
+ * profile.c (instrument_edges, instrument_values,
+ compute_branch_probabilities, branch_prob, union_groups,
+ tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
+ * protoize.c (in_system_include_dir, file_could_be_converted,
+ file_normally_convertible, gen_aux_info_file, seek_to_line,
+ do_cleaning): Likewise.
+ * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
+ * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
+ * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
+
+2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
+
+ * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
+ * modulo-sched.c (undo_replace_buff_elem): New structure.
+ (kernel_number_of_cycles, ps_unschedule_node,
+ undo_generate_reg_moves,free_undo_replace_buff,
+ undo_permute_partial_schedule, loop_single_full_bb_p,
+ SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
+ build_loops_structure, get_sched_window): New.
+ (generate_reg_moves): Return undo_replace_buff_elem and other
+ fixes.
+ (generate_prolog_epilog): Remove old loop versioning.
+ (sms_schedule): Use loop information and loop_version.
+ (sms_schedule_by_order): Split part of it to get_sched_window.
+ * passes.c (rest_of_handle_sms): call cfg_layout_initialize
+ cfg_layout_finalize and free_dominance_info before/after SMS.
+
+2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
+
+ * cfghooks.c (lv_flush_pending_stmts,
+ cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
+ lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
+ * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
+ lv_add_condition_to_bb,
+ lv_adjust_loop_header_phi, extract_cond_bb_edges,
+ flush_pending_stmts): New in cfg_hooks structure.
+ (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
+ extract_cond_bb_edges, lv_adjust_loop_header_phi,
+ lv_add_condition_to_bb): New declarations.
+ * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
+ bool.
+ (loop_version): Declare.
+ * cfgloopmanip.c (cfghooks.h): Include.
+ (duplicate_loop_to_header_edge): Change return type to bool.
+ (loop_version, lv_adjust_loop_entry_edge): Move here.
+ * cfgrtl.c (cfgloop.h): Include.
+ (rtl_verify_flow_info_1): Fix.
+ (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
+ (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
+ initialization.
+ * tree-cfg.c (tree_lv_adjust_loop_header_phi,
+ tree_lv_add_condition_to_bb): New.
+ (tree_cfg_hooks): Add new hooks to initialization.
+ * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
+ lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
+
+2005-04-03 Kazu Hirata <kazu@cs.umass.edu>
+
+ * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
+ xstormy16_below100_or_register,
+ xstormy16_splittable_below100_or_register, and
+ nonimmediate_nonstack_operand.
+
+ * config/stormy16/stormy16-protos.h: Remove the prototypes for
+ xstormy16_ineqsi_operator, equality_operator,
+ inequality_operator, shift_operator,
+ xstormy16_below100_operand, xstormy16_below100_or_register,
+ xstormy16_splittable_below100_or_register,
+ xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
+ * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
+ equality_operator, inequality_operator,
+ xstormy16_below100_operand, xstormy16_below100_or_register,
+ xstormy16_splittable_below100_or_register,
+ xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
+ nonimmediate_nonstack_operand, shift_operator): Move to
+ predicates.md.
+ * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
+ * config/stormy16/stormy16.md: Include predicates.md.
+ * config/stormy16/predicates.md: New.
+
+2005-04-02 Kazu Hirata <kazu@cs.umass.edu>
+
+ * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
+ small_int, large_int, reg_or_0_operand, simple_memory_operand,
+ equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
+ move_operand, power_of_2_operand): Move to predicates.md.
+ * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
+ PREDICATE_CODE): Remove.
+ * config/iq2000/iq2000.md: Include predicates.md.
+ * config/iq2000/predicates.md: New.
+
+2005-04-02 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
+ (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
+ (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
+ (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
+ (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
+ (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
+ (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
+ (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
+ (TARGET_M68HC11): Delete.
+ (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
+ * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
+ * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
+ (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
+ (nb_soft_regs): Delete.
+ (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
+ (m68hc11_override_options): Remove the code that caters for MASK_M6811
+ and MASK_M6812 being set simultaneously. Change the code that sets
+ the default m68hc11_soft_reg_count to use integers instead of strings.
+ (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
+ m68hc11_soft_reg_count (which now has an int type) as the number
+ of soft registers.
+ * config/m68hc11/m68hc11.opt: New file.
+
+2005-04-02 Kazu Hirata <kazu@cs.umass.edu>
+
+ * config/fr30/fr30.h (PREDICATE_CODES): Remove
+ fp_displacement_operand, sp_displacement_operand.
+
+ * config/m68hc11/m68hc11-protos.h: Add a prototype for
+ m68hcc_auto_inc_p.
+ Remove the prototypes for tst_operand, cmp_operand,
+ stack_register_operand, d_register_operand,
+ hard_addr_reg_operand, splitable_operand,
+ m68hc11_logical_operator, m68hc11_arith_operator,
+ m68hc11_non_shift_operator, m68hc11_shift_operator,
+ m68hc11_unary_operator, m68hc11_eq_compare_operator,
+ non_push_operand, hard_reg_operand, and
+ reg_or_some_mem_operand.
+ * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
+ extern.
+ (tst_operand, cmp_operand, non_push_operand,
+ splitable_operand, reg_or_some_mem_operand,
+ stack_register_operand, d_register_operand,
+ hard_addr_reg_operand, hard_reg_operand,
+ m68hc11_eq_compare_operator, m68hc11_logical_operator,
+ m68hc11_arith_operator, m68hc11_non_shift_operator,
+ m68hc11_shift_operator, m68hc11_unary_operator): Move to
+ predicates.md.
+ * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
+ * config/m68hc11/m68hc11.md: Include predicates.md.
+ * config/m68hc11/predicates.md: New.
+
+2005-04-02 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/19345
+ * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
+ change checked in along with 2005-03-03's patch for debug/20253.
+ * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
+ (remap_decl): Insert type decl in map earlier.
+
+2005-04-02 Alexandre Oliva <aoliva@redhat.com>
+
+ PR tree-optimization/20640
+ * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
+ post-dominator if it has phi nodes.
+ (eliminate_unnecessary_stmts): Remove dead phis in all blocks
+ before dead statements.
+
+2005-04-02 Alexandre Oliva <aoliva@redhat.com>
+
+ PR middle-end/20491
+ * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
+
+2005-04-02 Alexandre Oliva <aoliva@redhat.com>
+
+ PR rtl-optimization/20290
+ * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
+ in every iteration if the entry point is the exit test.
+
+2005-04-02 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/cris.md (attribute "length"): Define.
+
+2005-04-02 Geoffrey Keating <geoffk@apple.com>
+
+ * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
+ (word_offset_memref_operand): New.
+ * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
+ (indexed_or_indirect_operand): Delete.
+ * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
+ (indexed_or_indirect_operand): Delete.
+
+ * config/rs6000/t-darwin8: Comment out ppc64 multilib.
+
+ PR 20650
+ * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
+ a register.
+
+ * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
+ * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
+
+2005-04-01 Jan-Benedict Glaw <jbglaw@lug-owl.de>
+
+ * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
+
+2005-04-01 Ian Lance Taylor <ian@airs.com>
+
+ * gcc.c: Don't include <sys/resource.h> or declare getrusage.
+ (rus, prus): Remove static variables.
+ (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
+ (process_command): Permit report_times and use_pipes together.
+
+2005-04-01 Joseph S. Myers <joseph@codesourcery.com>
+
+ * c-decl.c (validate_proto_after_old_defn): Look at
+ TYPE_MAIN_VARIANT of argument types.
+
+2005-04-01 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/arm.c (thumb_call_via_label): Include space for SP.
+ (arm_output_function_epilogue): Allow call_via_SP.
+ (thumb_call_via_reg, arm_file_end): Ditto.
+ * config/arm/arm.h (struct machine_function): Include space for SP.
+ (thumb_call_via_label): Update declaration.
+
+2005-04-01 Ian Lance Taylor <ian@airs.com>
+
+ * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
+ doing a peephole optimization, once again put any notes in the
+ proper position.
+
+2005-04-01 Kazu Hirata <kazu@cs.umass.edu>
+
+ * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
+
+2005-04-01 Nathan Sidwell <nathan@codesourcery.com>
+
+ * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
+ (block_alloc, find_free_reg): Likewise.
+ * loop-doloop.c (doloop_modify): Likewise.
+ * loop-invariant.c (record_use): Likewise.
+ * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
+ get_iv_value, canon_condition, eliminate_implied_condition,
+ eliminate_implied_condition, simplify_using_initial_values,
+ shorten_into_mode, canonicalize_iv_subregs,
+ iv_number_of_iterations): Likewise.
+ * loop-unroll.c (expand_var_during_unrolling): Likewise.
+ * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
+ unswitch_loop): Likewise.
+ * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
+ move_movables, replace_call_address, find_and_verify_loops,
+ rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
+ record_giv, final_giv_value, general_induction_var,
+ simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
+ loop_giv_dump): Likewise.
+
+ * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
+ GCOV_CHECK_WRITING): Remove.
+ (gcov_position, gcov_rewrite): Use gcc_assert.
+ * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
+ gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
+ * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
+ gcc_assert.
+
+2005-04-01 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-inline.c: Fix a typo.
+
+2005-04-01 Nathan Sidwell <nathan@codesourcery.com>
+
+ * configure.ac (enable-checking): Explicitly set all variables for
+ collective switch values. Alphabetize variables. Rename
+ ac_checking_valgrind to ac_valgrind_checking. Allow 'none' as
+ synonym for 'no'.
+ * doc/install.texi (enable-checking): Update documentation.
+ * configure: Rebuilt.
+
+2005-04-01 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
+ possible.
+
+2005-04-01 Richard Earnshaw <richard.earnshaw@arm.com>
+
+ * arm.c (adjacent_mem_locations): Reject volatile memory refs.
+ Also reject cases where this pattern will cause load delay stalls
+ unless optimizing for size and it will produce a shorter sequence.
+ * arm.md (arith_adjacent_mem): Make better use of ldm addressing
+ variants to avoid pre-adjusting the base when possible.
+
+2005-04-01 Richard Earnshaw <richard.earnshaw@arm.com>
+
+ * arm.md (minmax_arithsi): Reject all eliminable registers, not just
+ the frame and argument pointers.
+ (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
+ (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
+ (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
+ (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
+ (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
+ (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
+
+2005-04-01 Danny Smith <dannysmith@users.sourceforge.net>
+
+ * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
+ with entry for selectany attribute.
+ * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
+ Declare.
+ * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
+ (i386_pe_asm_named_section): Handle sections generated by
+ selectany attribute.
+ * doc/extend.texi (selectany): Document attribute.
+
+2005-04-01 Paolo Bonzini <bonzini@gnu.org>
+ Jan Hubicka <jh@suse.cz>
+
+ * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
+ to fix addresses involving EBP and ESP.
+ (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
+ for SUBREGed registers.
+ (legitimate_address_p): Accept SUBREGed registers.
+
+2005-04-01 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/19406
+ * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
+ (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
+ for FIELD_DECLs.
+
+2005-04-01 Kazu Hirata <kazu@cs.umass.edu>
+
+ * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
+
+2005-04-01 James E Wilson <wilson@specifixinc.com>
+
+ PR c++/20505
+ * dwarf2out.c (rtl_for_decl_init): New function.
+ (rtl_for_decl_location): Extracted from here.
+ (tree_add_const_value_attribute): Call rtl_for_decl_init and
+ add_const_value_attribute. Delete initializer_constant_valid_p call.
+
+2005-04-01 Kazu Hirata <kazu@cs.umass.edu>
+
+ * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
+ lambda-code.c, loop.c, machmode.def, mips-tfile.c,
+ modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
+ tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
+ config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
+ config/i386/i386.md, config/rs6000/predicates.md,
+ config/rs6000/rs6000.c, config/s390/fixdfdi.h,
+ config/s390/s390.c, config/stormy16/stormy16.c,
+ config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
+ typos.
+
+2005-04-01 Joseph S. Myers <joseph@codesourcery.com>
+
+ PR c/17855
+ * gimplify.c (gimplify_expr): Create a temporary for lvalue
+ COND_EXPR and CALL_EXPR.
+
+2005-03-31 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR target/20632
+ * genautomata.c (first_cycle_unit_presence): Check all alternative
+ states for unit presence.
+
+ * doc/md.texi: Remove remark about impossibility to query unit
+ presence in non nondeterministic automaton state.
+
+ * config/ia64/ia64.c (get_template): Change order of unit querying.
+
+2005-03-31 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
+ obsolete comment.
+
+2005-03-31 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
+ flag for edges outside any loops.
+
+2005-03-31 Janis Johnson <janis187@us.ibm.com>
+
+ * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
+
+2005-03-31 Kazu Hirata <kazu@cs.umass.edu>
+
+ * tree-ssa-alias.c: Follow spelling conventions.
+ * doc/tree-ssa.texi: Fix a typo.
+
+2005-03-31 J"orn Rennecke <joern.rennecke@st.com>
+
+ * postreload-gcse.c: Include target.h.
+ (gcse_after_reload_main): Return early if we cannot modify jumps.
+ * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
+
+2005-03-31 David Edelsohn <edelsohn@gnu.org>
+
+ * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
+ expensive operations.
+
+2005-03-31 Ian Lance Taylor <ian@airs.com>
+
+ * collect2.c (lderrout): New variable.
+ (collect_exit): Dump ldout to stdout. Dump and unlink lderrout,
+ if it is set, to stderr.
+ (handler): Unlink lderrout if it is set.
+ (dump_file): Add "to" parameter. Change all callers.
+ (main): Initialize lderrout.
+ (collect_execute): Add errname parameter. Change all callers.
+ Rename redir parameter to outname. Never pass
+ PEX_STDERR_TO_STDOUT to pex_run.
+ * collect2.h (collect_execute, dump_file): Update declarations.
+ * tlink.c (tlink_execute): Add errname parameter. Change all
+ callers.
+ (do_tlink): Check lderrout as well as ldout.
+
+2005-03-31 Caroline Tice <ctice@apple.com>
+
+ * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
+ (bb-reorder.o): Add errors.h to list of requirements.
+ (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
+ profiledbootstrap flags.
+ * bb-reorder.c (errors.h): Add new include.
+ (struct bbro_basic_block_data_def): Add new field, in_trace.
+ (add_unlikely_executed_notes): Remove function.
+ (mark_bb_for_unlikely_executed_section): Remove function.
+ (insert_section_boundary_note): New function.
+ (verify_hot_cold_block_grouping): New function.
+ (push_to_next_round_p): Remove variables and tests that push all
+ cold blocks to last round.
+ (find_traces): Remove code that added extra round of trace finding
+ when doing partitioning.
+ (find_traces_1_round) : Remove variable last_round; add code to
+ update new struct field, in_trace; correct trace_length where it was
+ incorrect before (after call to copy_bb); change code that pushed all
+ cold blocks to last round. Instead verify that all blocks going into
+ a trace belong in the same partition.
+ (connect_traces): Modify to connect the traces in two passes, if the
+ function contains both hot and cold blocks. The first pass connects
+ all the traces for blocks in the partition that the first block in
+ the function belongs to; the second pass connnects all the traces
+ containing blocks that belong in the other partition.
+ (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
+ code that automatically put the first block in a function into the
+ hot partition if the function had any hot blocks.
+ (fix_crossing_unconditional_branches): Check number of succ edges
+ before attempting to get one.
+ (fix_edges_for_rarely_executed_code): Update comment describing
+ function.
+ (reorder_basic_blocks): Add code to initialize new field (in_trace);
+ remove call to add_unlikely_executed_notes; add call to
+ verify_hot_cold_block_grouping.
+ (duplicate_computed_gotos): Don't change computed goto if it's a
+ crossing edge.
+ (partition_hot_cold_basic_blocks): Update function comment.
+ * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
+ condition.
+ (try_forward_edges): Likewise.
+ (merge_blocks_move_predecessor_nojumps): Likewise.
+ (merge_blocks_move_successor_nojumps): Likewise.
+ (merge_blocks_move): Likewise.
+ (try_crossjump_bb): Likewise.
+ * cfglayout.c (update_unlikely_executed_notes): Remove function.
+ (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
+ notes to cold bb's; remove call to update_unlikely_executed_notes.
+ (duplicate_insn_chain): change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
+ NOTE_INSN_SWITCH_TEXT_SECTIONS.
+ * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
+ function declaration.
+ * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
+ from consideration.
+ (rtl_can_merge_blocks): Remove redundancy from condition.
+ (try_redirect_by_replacing_jump): Likewise.
+ (force_nonfallthru_and_redirect): Remove code for adding
+ UNLIKELY_EXECUTED_CODE notes to cold bb's.
+ (commit_one_edge_insertion): Likewise.
+ (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
+ * dbxout.c (FORCE_TEXT): Replace function_section with
+ current_function_section.
+ (struct dbx_debug_h): Add do_nothing function for new debug_hooks
+ function, switch_text_section.
+ (struct xcoff_debug): Likewise.
+ (dbxout_function_end): Add code to put out label diffs for both
+ hot and cold sections.
+ * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
+ for new debug_hooks funciton, switch_text_section..
+ * debug.h (struct gcc_debug_hooks): Add new function to debug_hooks,
+ switch_text_section.
+ * dwarf2out.c (struct dw_fde_struct): Add five new fields:
+ dw_fde_hot_section_label, dw_fde_hot_section_end_label,
+ dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
+ dw_fde_switched_sections.
+ (output_call_frame_info): Add test to see if function switches text
+ sections in the middle; if so, use appropriate extra hot and cold
+ section labels to compute size deltas for the hot and cold sections.
+ (dwarf2out_begin_prologue): Add code to initialize new fields in
+ dw_fde_struct.
+ (dwarf2out_switch_text_section): New function (invoked through
+ debug_hook); updates new fields in dw_fde_struct appropriately and
+ increments separate_line_info_table_in_use.
+ (dwarf2_debug_hooks): Initialize switch_text_section function to be
+ dwarf2out_switch_text_section.
+ (struct var_loc_node): Add new field, section_label.
+ (output_aranges): Add code to check whether in hot or cold section and
+ use the appropriate label in calculating deltas.
+ (output_ranges): Likewise.
+ (output_line_info): Add code to check which section we're in and
+ use appropriate hot/cold label.
+ (add_location_or_constant_value_attribute): Likewise.
+ (gen_subprogam_die): Modify arange attributes to use correct labels.
+ (dwarf2out_begin_block): Change call to function_section into call to
+ current_function_section.
+ (dwarf2out_end_block): Likewise.
+ (dwarf2out_source_line): Likewise.
+ (dwarf2out_var_location): Add code to check whether in hot or cold
+ section and use the appropriate label.
+ * except.c (output_function_exception_table): Change call to
+ function_section into call to current_function_section.
+ * final.c (profile_function): Likewise.
+ (scan_ahead_for_unlikely_executed_note): Remove function.
+ (final_scan_insn): Remove calls to
+ scan_ahead_for_unlikely_executed_note, and related code for switching
+ to cold section, except for the single time
+ NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered; add calls to
+ debug_hooks->switch_text_sections; replace appropriate calls to
+ function_section with calls to current_function_section.
+ * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
+ test_bb to condition.
+ (find_if_case_2): Likewise.
+ * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
+ NOTE_INSN_SWITCH_TEXT_SECTIONS. Update comment appropriately.
+ * opts.c (decode_options): Change warning about hot/cold partitioning
+ with exceptionss to inform (so as not to cause bootstrap failures);
+ remove warning about partitioning with DWARF debug info.
+ * output.h (current_function_section): Add new function decl.
+ (insert_section_boundary_note): Likewise.
+ (enum in_section): Move this declaration here from varasm.c.
+ (unlikely_section_label): Likewise.
+ (unlikely_text_section_name): Likewise.
+ (last_text_section_name): New global variable.
+ (last_text_section): Likewise.
+ (hot_section_label): Likewise.
+ (hot_section_end_label): Likewise.
+ (cold_section_end_label): Likewise.
+ * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
+ * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
+ to NOTE_INSN_SWITCH_TEXT_SECTIONS.
+ * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
+ insn from consideration.
+ * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
+ switch_text_section.
+ * varasm.c (basic-block.h): Add new include.
+ (unlikely_section_label_printed): Remove global variable.
+ (unlikely_section_label): Make global variable not be static any more.
+ (unlikely_text_section_name): Likewise.
+ (hot_section_end_label): New global variable (not static)
+ (first_function_block_is_cold): Likewise.
+ (hot_section_label): Likewise.
+ (cold_section_end_label): Likewise..
+ (last_text_section): New global variable, not static.
+ (last_text_section_name): New global variable, not static.
+ (initialize_cold_section_name): New function.
+ (enum in_section): Move declaration to output.h.
+ (text_section): Update last_text_section.
+ (unlikely_text_section): Replace code to determine cold section name
+ with call to initialize_cold_section_name; Add code to update
+ last_text_section; remove code for printing out label.
+ (named_section_real): Add code to update last_text_section and
+ last_text_section_name as appropriate.
+ (function_section): Change test for 'unlikely' to depend on
+ first_function_block_is_cold (moved old test to
+ current_function_section).
+ (current_function_section): New function.
+ (assemble_start_function): Move code that frees
+ unlikely_text_section_name; initialize hot_section_end_label;
+ print hot and cold section labels at the start of the function;
+ set first_function_block_is_cold, if appropriate; initialize l
+ ast_text_section; add call to insert_section_boundary_note.
+ (assemble_end_function): Add code to write out hot and cold section
+ end labels.
+ *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
+ switch_text_section.
+ * config/darwin.c (machopic_select_section): Replace incorrect
+ function in base_funs; update reloc for cold sections if necessary.
+ * config/darwin.h (SECTION_FUNCTION): Add code to update
+ last_text_section if appropriate.
+ (text_unlikely_section): Remove.
+ * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
+ * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
+ * config/xtensa/xtensa.c (override_options): Turn off hot/cold
+ partitioning for this architecture.
+
+2005-03-31 Olivier Hainque <hainque@adacore.com>
+
+ * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
+ defined and non-zero.
+
+2005-03-31 Gabriel Dos Reis <gdr@integrable-solutions.net>
+
+ PR c++/18644
+ * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
+ semantics.
+
+2005-03-31 Alan Modra <amodra@bigpond.net.au>
+
+ PR target/20611
+ * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
+ label operand. Remove (use (unspec..)). Don't emit a label on
+ the offset word.
+ * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
+ generate inline label for load_toc_v4_PIC_1b.
+ (rs6000_emit_load_toc_table): Likewise.
+
+2005-03-31 Kazu Hirata <kazu@cs.umass.edu>
+
+ * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
+ ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
+
+2005-03-29 Devang Patel <dpatel@apple.com>
+
+ * tree-sra.c (decide_block_copy): Disable scalarization of
+ sub-elements.
+
+2005-03-30 Stuart Hastings <stuart@apple.com>
+ Dale Johannesen <dalej@apple.com>
+
+ * Makefile.in (print-tree.o): Depend on tree-iterator.h.
+ * print-tree.c (print_node): Add case STATEMENT_LIST.
+
2005-03-31 Alan Modra <amodra@bigpond.net.au>
* config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
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