+2006-01-24 Richard Henderson <rth@redhat.com>
+
+ * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
+ update all callers.
+
+2006-01-23 Paolo Bonzini <bonzini@gnu.org>
+
+ PR rtl-optimization/25890
+ PR rtl-optimization/25905
+ * combine.c (expand_compound_operation, expand_field_assignment):
+ Fail if the bitfield's final position is out of bounds.
+
+2006-01-24 Ian Lance Taylor <ian@airs.com>
+
+ PR middle-end/25930
+ * cgraphunit.c (cgraph_output_in_order): Don't clear
+ cgraph_asm_nodes until after asm strings have been output.
+
+2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
+
+ * fix-header.c (read_scan_file): Add new parameter imultilib when
+ calling register_include_chains.
+
+2006-01-23 Diego Novillo <dnovillo@redhat.com>
+
+ * omp-low.c: Update documentation.
+
+2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
+ Daniel Berlin <dberlin@dberlin.org>
+
+ PR tree-opt/25315
+ PR tree-opt/25857
+ * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
+ return from the function.
+
+2006-01-22 Zack Weinberg <zackw@panix.com>
+
+ * rtl.def (match_code): Add second argument.
+ * genpreds.c (write_extract_subexp): New function.
+ (write_match_code): Add path argument. Use write_extract_subexp.
+ (write_predicate_expr): Pass path to write_match_code.
+ (mark_mode_tests): MATCH_CODE applied to a subexpression does
+ not perform a mode test.
+ * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
+ a subexpression does not constrain the top-level code set.
+ * read-rtl.c (read_rtx_variadic): New function.
+ (read_rtx_1): Use it; allow AND and IOR to be variadic.
+ * doc/md.texi: Document new notation.
+ * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
+ (cmpsi_operand): ... here, using new notation.
+
+2006-01-22 Zack Weinberg <zackw@panix.com>
+
+ * varray.c: Remove GENERATOR_FILE #ifdefs.
+
+2006-01-22 Zack Weinberg <zackw@panix.com>
+
+ * genautomata.c (output_reserved_units_table): Emit nothing if
+ description->query_units_num is zero. Remove extra blank line.
+ (output_cpu_unit_reservation_p): Short circuit
+ if description->query_units_num is zero.
+
+2006-01-22 Zack Weinberg <zackw@panix.com>
+
+ * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
+ and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
+ nor any of the random handful of variables that used to be necessary
+ when this program was linked with rtlanal.o. Prune set of forward
+ function declarations.
+ (struct attr_desc): Remove static_p field.
+ (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
+ (check_attr_test, make_internal_attr, make_numeric_value): Make static.
+ (attr_string): Do not read the character one past the length of
+ the string.
+ (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
+ (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
+ (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
+ (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
+ (make_automaton_attrs): New.
+ (main): Do not call into genautomata. Call local gen_bypass
+ and gen_insn_reserv as appropriate. Call make_automaton_attrs.
+ Remove special case for insn_alts.
+ * genautomata.c: Include gensupport.h; not genattrtab.h nor
+ varray.h (leftover from previous change). Prune set of forward
+ function declarations. Remove state_alts fields from all
+ structures. Remove state_alts_table from struct automaton.
+ Make everything except main static. Do not maintain num_dfa_decls.
+ Do not maintain state_alts fields of various structures.
+ (process_decls): Don't validate condexp for dm_insn_reserv decls.
+ (add_arc): Remove state_alts argument. All callers updated.
+ (output_reserved_units_table): Emit #ifdef here...
+ (output_tables): ...not here. Don't generate state_alts tables.
+ (expand_automata): Don't generate attributes.
+ (write_automata): Don't generate state_alts functions.
+ (main): New function.
+ (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
+ (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
+ (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
+ (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
+ (BYPASS_P_FUNC_NAME, output_state_alts_table)
+ (output_automata_list_state_alts_code, output_internal_state_alts_func)
+ (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
+ (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
+ Delete.
+ * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
+ * genattrtab.h: Delete file.
+ * Makefile.in (OBJS-common): Add insn-automata.o.
+ (insn-automata.o): New rule.
+ (simple_generated_c): Add insn-automata.c.
+ (build/genattrtab.o, build/genautomata.o): Update dependencies.
+ (genprogmd): Add automata.
+ (build/genattrtab): Needs no extra objects nor libraries.
+ (build/genautomata): Needs build/vec.o and -lm.
+
+2006-01-22 Zack Weinberg <zackw@panix.com>
+
+ * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
+ (output_dfa_max_issue_rate, locked_states_num): Delete.
+ (struct automaton): Add locked_states field.
+ (output_dead_lock_vect): Save number of locked states in
+ automaton->locked_states. If it is zero, don't print anything.
+ (output_max_insn_queue_index_def): Define max_insn_queue_index const.
+ (output_internal_dead_lock_func): Only test the dead_lock_vect
+ for automata that have locked states.
+ (output_statistics): Always print the number of locked states for
+ each automaton. Calculate total number of locked states here.
+ (write_automata): Don't call output_dfa_max_issue_rate.
+ * genattrtab.c: Define length_unit_log as a const variable.
+ * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
+ max_insn_queue_index const.
+ * final.c (length_unit_log): Declare const.
+ * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
+
+2006-01-22 Zack Weinberg <zackw@panix.com>
+
+ * genautomata.c: Include vec.h, not varray.h.
+ Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
+ VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
+ VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
+ VEC_* macros operating on appropriately typed vectors, or to
+ malloced arrays when the size is known in advance. Const-ify
+ many char* variables and function arguments. No functional changes.
+ * Makefile.in (build/varray.o): Delete rule.
+ (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
+ (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
+
+2006-01-22 Zack Weinberg <zackw@panix.com>
+
+ * gensupport.c: Define get_insn_name and record_insn_name here.
+ (read_md_rtx): Call record_insn_name as appropriate.
+ * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
+ * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
+ * genpreds.c, genrecog.c: Don't define get_insn_name nor
+ record_insn_name.
+ * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
+ (BUILD_VARRAY): Delete.
+ (genprognormal): Rename genprogmd. Fold in all programs from
+ genprognoprint; also attrtab.
+ (build/genattrtab): Just mention genautomata.o and varray.o.
+ Reorganize a bit, add comments to make the categories clearer.
+
+2006-01-22 Zack Weinberg <zackw@panix.com>
+
+ * genconditions.c (condition_table, add_condition): Delete.
+ (write_conditions): Don't emit n_insn_conditions nor
+ insn_elision_unavailable. Issue the gcc version #ifdef here,
+ inside the table, with no #else clause ...
+ (write_header): ...not here.
+ (write_writer): New function.
+ (main): Don't initialize condition_table. Use add_c_test.
+ Call write_writer.
+ * gensupport.c (init_md_reader_args_cb): Handle multiple input
+ files on the command line.
+ (maybe_eval_c_test): Don't check insn_elision_unavailable.
+ Return -1 if there is no entry in the table, don't abort.
+ (add_c_test, traverse_c_tests): New functions.
+ * gensupport.h (insn_elision_unavailable, insn_conditions)
+ (n_insn_conditions): Delete declarations.
+ (add_c_test, traverse_c_tests): Declare.
+ * read-rtl.c: Include gensupport.h.
+ (read_conditions): New function.
+ (read_rtx): If read_rtx_1 returns 0, treat as EOF.
+ (read_rtx_1): If we get EOF when we were looking for an initial
+ open paren, return 0. Call read_conditions when appropriate.
+ * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
+ dummy-conditions.o. Eliminate references to insn-conditions.o,
+ or change them to build/gencondmd.o, as appropriate. Remove
+ insn-constants.h from $(simple_generated_h) and insn-conditions.c
+ from $(simple_generated_c). For all files remaining in those
+ two lists, add insn-conditions.md to the generator command line.
+ Give insn-constants.h/s-constants their own rules. Add rules
+ for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
+ (build/read-rtl.o): Depend on gensupport.h.
+ (genprognormal): Include preds.
+ (genprogearly): Rename genprognoprint; only difference is now that
+ they don't link with $(BUILD_PRINT).
+ * dummy-conditions.c: Delete.
+
+2006-01-22 Zack Weinberg <zackw@panix.com>
+
+ * genextract.c: Don't include insn-config.h. Do include vec.h.
+ Declare vectors of int, char, and locstr.
+ (locstr): New typedef.
+ (struct extraction): Make all array fields into bare pointers.
+ (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
+ (insn_code_number): Delete.
+ (accum_extract): New struct.
+ (VEC_safe_set_locstr, VEC_char_to_string): New functions.
+ (gen_insn): Take insn_code_number as an argument. Use an
+ accum_extract structure instead of loading data directly into
+ a struct extraction, and having to know how big it might get.
+ (walk_rtx): Operate entirely on an accum_extract structure.
+ (print_path): Avoid unnecessary use of printf.
+ (print_header): New function, split out of main. Distinguish
+ more carefully between an unrecognizable insn and an insn that
+ has the code number of a define_expand.
+ (main): Pass insn_code_number to gen_insn. Call print_header
+ only after parsing. Avoid unnecessary use of printf.
+ * Makefile.in (build/vec.o): New rule.
+ (build/genextract): Depend on build/vec.o.
+ (build/genextract.o): Don't depend on insn-config.h.
+
+2006-01-22 Zack Weinberg <zackw@panix.com>
+
+ * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
+ $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
+ practical. Eliminate per-generator-program link rules.
+
+2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
+
+ PR middle-end/24437
+ * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
+ with a call expr to ...
+ * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
+
+2006-01-23 Richard Guenther <rguenther@suse.de>
+
+ * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
+ before make_edge with conditional EDGE_TRUE_VALUE.
+
+2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
+ Jan Hubicka <jh@suse.cz>
+ Richard Guenther <rguenther@suse.de>
+
+ PR rtl-optimization/25654
+ * cfgexpand.c (aggregate_contains_union_type): New function.
+ (add_alias_set_conflicts): Call it. Make sure to add conflicts
+ for structure variables that contain a union type.
+
+2006-01-23 Richard Sandiford <richard@codesourcery.com>
+
+ * gengtype.c (new_structure): Return the structure.
+ (create_option): Add an extra "next" argument.
+ (create_field): New function.
+ (adjust_field_rtx_def): Use create_option and create_field.
+ Remove a now-unnecessary call to find_structure.
+ (adjust_field_tree_def): Likewise.
+ (note_yacc_type): Remove an unnecessary call to find_structure.
+ * gengtype.h (new_structure): Return the structure.
+ (create_option): Add an extra argument.
+ * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
+ (option): Adjust calls to create_option.
+
+2006-01-22 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/aix.h (STACK_BOUNDARY): Define.
+
+2006-01-22 Paul Brook <paul@codesourcery.com>
+ Peter Barada <peter@the-baradas.com>
+
+ * config/m68k/m68k.md: Add Coldfire FPU support.
+ Define FP mode macro and associated attributes.
+ Use it for float mode patterns.
+ * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
+ (LIBCALL_VALUE): Use m68k_libcall_value.
+ * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
+ (m68k_function_value): Ditto.
+ (emit_move_sequence): Ditto.
+ * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
+ * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
+ * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
+ (MULTILIB_EXCEPTIONS): Ditto.
+ * config/m68k/m68k.opt: Add mcfv4e.
+ * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
+ (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
+ (m68k_output_function_prologue): Save ColdFire FPU registers.
+ (m68k_output_function_epilogue): Restore ColdFire FPU registers.
+ (force_mode, fp_reg_operand, emit_move_sequence): New functions.
+ (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
+ ColdFire FPU registers.
+ (m68k_libcall_value, m68k_function_value): New functions.
+ * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
+ (LIBCALL_VALUE): Use m68k_libcall_value.
+ * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
+ (MASK_COLDFIRE): Add MASK_CFV4E.
+ (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
+ (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
+ (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
+ (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
+ (GO_IF_LEGITIMATE_ADDRESS): Use it.
+ (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
+ * doc/invoke.tex: Document -mcfv4e on m68k.
+
+2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
+
+ * doc/contribute.texi: Change CVS to SVN and update the corresponding
+ URL.
+
+2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
+
+ PR c++/16190
+ * c-opts.c (c_common_handle_option): Don't include
+ -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
+ * doc/invoke.texi (C++ Dialect Options): Document that
+ -Wnon-virtual-dtor is no longer included in -Wall.
+
+2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
+
+ * gcov.c (print_version), gcov-dump.c (print_version),
+ mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
+ dates.
+
+2005-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * df-scan.c (problem_SCAN): Added NULL reset function.
+ (df_scan_reset_blocks): Added code to call reset block function
+ (df_bb_refs_delete) Fixed comment.
+ (df_insn_refs_delete): Made tolerant of deleting non existent info
+ for dataflow problems that need to be reset.
+ * df-core.c (df_set_blocks): Ditto.
+ * df.h (struct df_problem): Added reset_fun.
+ * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
+ problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
+ (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
+ functions to clear out all references to def-use or use-def chains.
+
+2006-01-21 Ben Elliston <bje@au.ibm.com>
+
+ * varasm.c (assemble_real): Initialise data array.
+
+2006-01-20 Paul Brook <paul@codesourcery.com>
+
+ Merge from csl-arm-branch.
+ 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
+ * config/arm/arm.md (movdi): Force operands[1] to a register
+ if we have a non-register source.
+ (*arm_movdi, *movdf_soft_insn): Require that one of the
+ operands be a register.
+ * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
+ * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
+
+2006-01-20 DJ Delorie <dj@redhat.com>
+
+ * varasm.c (initialize_constant_valid_p): Allow pointers
+ initialized from integer constants of lesser precision.
+ (output_constant): Allow non-int-sized pointer modes to be
+ initialized from integer constants.
+
+2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
+
+ PR libstdc++/25524
+ * cppdefault.h (struct default_include): Add multilib flag.
+ * cppdefault.c (cpp_include_defaults): Set it.
+ * c.opt (-imultilib): New option.
+ * c-opts.c (imultilib): New.
+ (c_common_handle_option): Handle -imultilib.
+ (c_common_post_options): Likewise.
+ * c-incpath.c (add_standard_paths, register_include_chains):
+ Likewise.
+ * c-incpath.h (register_include_chains): Add extra parameter.
+ * gcc.c (do_spec_1): Generate -imultilib option.
+ (The Specs Language): Update %I description.
+ (process_command): Update copyright notice.
+ * doc/cppopts.texi (-imultilib): Document.
+ * doc/invoke.texi (-imultilib): Include in option summary.
+ (%I): Update specs documentation.
+
+2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
+
+2006-01-20 Richard Sandiford <richard@codesourcery.com>
+
+ * stmt.c (case_bit_test_cmp): Stabilize the sort using code
+ label numbers.
+
+2006-01-20 Richard Guenther <rguenther@suse.de>
+ Steven Bosscher <stevenb.gcc@gmail.com>
+
+ PR rtl-optimization/24626
+ * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
+ EDGE_TRUE_VALUE if in RTL mode.
+
+ Revert
+ 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
+ * cfgrtl.c (rtl_verify_flow_info_1): Fix.
+
+2006-01-20 Dirk Mueller <dmueller@suse.com>
+
+ PR c++/5520
+ * c-parser.c (c_parser_if_body): Use build_empty_stmt()
+ instead of a special NOP marker.
+ * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
+ NOP marker handling.
+ * c-common.h (empty_body_warning): Add forward declaration.
+ * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
+ Now uses IS_EMPTY_STMT() instead of special NOP markers.
+
+2005-01-20 Paul Brook <paul@codesourcery.com>
+
+ * Makefile.in (lang_checks): Keep going if mkdir fails.
+
+2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
+ be able to clean out basic block when not necessary.
+ (df_scan_free): Fixed to properly delete information if df is
+ unused before calling df_finish.
+ (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
+ df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
+ or comment typos.
+ (df_bb_refs_delete): New function.
+ (df_refs_delete): Moved per block code to df_bb_refs_delete.
+ * df-core.c (df_set_blocks): Added code to properly clean out
+ unused blocks if they are not part of the blocks to consider.
+ Added additional null check.
+ (df_compact_blocks): Added basic block parameter to free_bb_fun to
+ be able to clean out basic block when not necessary
+ * df.h (df_free_bb_function): Ditto.
+ (df_bb_refs_delete): New function.
+ * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
+ df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
+ basic block parameter to be able to clean out basic block when not
+ necessary.
+ (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
+ (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
+ Fixed to properly delete information if df is unused before
+ calling df_finish.
+
+2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ PR rtl-optimization/25799
+ * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
+ Corrected confluence operator to remove bits from op2 before oring
+ with op1 rather than removing bits from op1.
+ (df_ru_transfer_function): Corrected test on wrong bitmap which
+ caused infinite loop. Both of these problems were introduced in
+ the dataflow rewrite.
+
+2006-01-19 DJ Delorie <dj@redhat.com>
+
+ * reload1.c (find_reload_regs): Note the details of reload
+ failures in the dump file.
+ (spill_failure): Likewise.
+
+2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * loop-iv.c: Include df.h and hashtab.h.
+ (enum iv_grd_result): New enum.
+ (DF_REF_IV, DF_REF_IV_SET): New macros.
+ (struct biv_entry): New.
+ (df, bivs): New global variables.
+ (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
+ assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
+ Removed.
+ (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
+ iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
+ analyzed_for_bivness_p, record_biv): New functions.
+ (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
+ get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
+ iv_analyze, biv_p, iv_analysis_done): Work with df representation of
+ UD chains.
+ (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
+ analysed.
+ (iv_number_of_iterations): Use new interface to iv analysis.
+ * loop-unroll.c: Do not include varray.h.
+ (analyze_iv_to_split_insn): Use new interface to iv
+ analysis.
+ * loop-unswitch.c (may_unswitch_on): Ditto.
+ * 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.h (df_find_use): Declare.
+ * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
+ outmode.
+ * cfgloop.h (struct rtx_iv): Remove analysed field.
+ (iv_get_reaching_def): Removed.
+ (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
+ * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
+ (loop-iv.o): Add df.h and hashtab.h dependency.
+ * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
+
+2006-01-20 Alan Modra <amodra@bigpond.net.au>
+
+ * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
+ Double TFmode.
+ (__floatundisf, __floatundidf): Likewise.
+ * libgcc2.h (IS_IBM_EXTENDED): Define.
+
+2006-01-19 DJ Delorie <dj@redhat.com>
+
+ * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
+
+2006-01-19 Paul Brook <paul@codesourcery.com>
+
+ * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
+ as nothrow when unwinding tables are disabled.
+
+2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR testsuite/25171
+ * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
+ of bit-field" when in system header.
+
+2006-01-19 DJ Delorie <dj@redhat.com>
+
+ * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
+ the 16 bit shift limit of the m16c.
+
+2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
+
+ PR target/22099
+ * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
+ * config/i386/i386.c (output_set_got): Output the label if we have one
+ for the TARGET_DEEP_BRANCH_PREDICTION case.
+
+2006-01-19 Jan Hubicka <jh@suse.cz>
+ H.J. Lu <hongjiu.lu@intel.com>
+ Evandro Menezes <evandro.menezes@amd.com>
+
+ * invoke.texi (generic): Document
+ (i686) Update.
+ * config.gcc: Make x86_64-* and i686-* default to generic tunning.
+ * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
+ TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
+ (x86_use_incdec, x86_pad_returns): New variables
+ (TARGET_CPU_DEFAULT_generic): New constant
+ (TARGET_CPU_DEFAULT_NAMES): Add generic.
+ (enum processor_type): Add generic32 and generic64.
+ * i386.md (cpu attribute): Add generic32/generic64
+ (movhi splitter): Behave sanely when both partial_reg_dependency and
+ partial_reg_stall are set.
+ (K8 splitters): Enable for generic as well.
+ * predicates.md (incdec_operand): Use TARGET_INCDEC
+ (aligned_operand): Avoid memory mismatch stalls.
+ * athlon.md: Enable for generic64, new patterns for 128bit moves.
+ * ppro.md: Enable for generic32
+ * i386.c (generic64_cost, generic32_cost): New.
+ (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
+ (x86_use_leave): Enable for generic64. (x86_use_sahf,
+ x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
+ x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
+ x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
+ x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
+ x86_partial_reg_dependency, x86_memory_mismatch_stall,
+ x86_accumulate_outgoing_args, x86_prologue_using_move,
+ x86_epilogue_using_move, x86_arch_always_fancy_math_387,
+ x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
+ Enable for generic.
+ (x86_use_incdec, x86_pad_returns): New.
+ (override_options): Add generic32 and generic64, translate "generic"
+ to generic32/generic64 and "i686" to "generic32", refuse
+ "generic32"/"generic64" as arch target.
+ (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
+ (ix86_reorg): Honor PAD_RETURNS.
+
+2006-01-19 Diego Novillo <dnovillo@redhat.com>
+
+ * tree-pretty-print.c (dump_generic_node): Handle
+ OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
+ * cgraph.c (cgraph_expand_queue): Rename from
+ cgraph_analyze_queue. Update all users.
+ * cgraphunit.c (cgraph_assemble_pending_functions): Process
+ cgraph_expand_queue.
+ (cgraph_expand_all_functions): Likewise.
+ (cgraph_finalize_pending_functions): Remove. Update callers.
+
+ * tree.h (OMP_DIRECTIVE_P): Define.
+ (OMP_PARALLEL_FN): Define.
+ (OMP_PARALLEL_DATA_ARG): Define.
+ (OMP_SECTIONS_SECTIONS): Define.
+ * tree-pass.h (pass_expand_omp): Declare.
+ * omp-low.c (struct omp_region): Declare.
+ (struct omp_context): Remove fields 'parallel_type',
+ 'parallel_start_ix' and 'parallel_start_additional_args'.
+ Update all users.
+ (struct omp_for_data): Rename from struct expand_omp_for_data.
+ (omp_regions): New static variable.
+ (root_omp_region): New static variable.
+ (find_omp_clause): Make static.
+ (is_in_combined_parallel_ctx): Remove.
+ (is_combined_parallel): New.
+ (extract_omp_for_data): Move earlier in the file.
+ (workshare_safe_to_combine_p): New.
+ (get_ws_args_for): New.
+ (determine_parallel_type): Move earlier in the file.
+ (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
+ child function.
+ (omp_copy_decl): Likewise.
+ (create_omp_child_function): Likewise.
+ (lookup_omp_region): New.
+ (dump_omp_region): New.
+ (debug_omp_region): New.
+ (debug_all_omp_regions): New.
+ (new_omp_region): New.
+ (scan_omp_parallel): If parallel_nesting_level > 1, the
+ directive is nested within another parallel directive.
+ Set OMP_PARALLEL_FN.
+ (scan_omp_for): Do not try to handle combined parallel+for
+ cases.
+ Remove FIXME comment.
+ (scan_omp_nested): Remove.
+ (scan_omp_1): Do not call scan_omp_nested when
+ parallel_nesting_level is > 1.
+ Do not change the DECL_CONTEXT of local variables found.
+ (lookup_decl_in_outer_ctx): New.
+ (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
+ (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
+ (lower_reduction_clauses): Rename from expand_reduction_clauses.
+ (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
+ If CTX is nested, lookup VAR in the outer context when
+ building copy assignment.
+ (lower_send_clauses): Rename from expand_send_clauses.
+ If CTX is nested, lookup VAR in the outer context when
+ building copy assignments.
+ (lower_send_shared_vars): Rename from expand_send_shared_vars.
+ If CTX is nested, lookup VAR in the outer context when
+ building copy assignments.
+ (expand_parallel_call): Rename from build_parallel_call.
+ Handle combined parallel+workshare cases.
+ Re-implement to emit code into the CFG.
+ (list2chain): New.
+ (expand_omp_parallel): Re-implement to emit code into the CFG.
+ Call move_sese_region_to_fn to outline the sub-graph
+ containing the parallel region.
+ (expand_omp_for_1): Remove.
+ (expand_omp_for_generic): Re-implement to emit code into the
+ CFG.
+ (expand_omp_for_static_nochunk): Likewise.
+ (expand_omp_for_static_chunk): Likewise.
+ (expand_omp_for): Likewise.
+ (expand_omp_sections): Likewise.
+ (remove_exit_barriers): New.
+ (expand_omp_synch): New.
+ (expand_omp): New.
+ (build_omp_regions_1): New.
+ (build_omp_regions): New.
+ (execute_expand_omp): New.
+ (gate_expand_omp): New.
+ (pass_expand_omp): Define.
+ (lower_omp_sections): Rename from expand_omp_sections.
+ Set OMP_SECTIONS_SECTIONS.
+ (lower_omp_single_simple): Rename from expand_omp_single_simple.
+ (lower_omp_single_copy): Rename from expand_omp_single_copy.
+ (lower_omp_single): Rename from expand_omp_simple.
+ (lower_omp_master): Rename from expand_omp_master.
+ (lower_omp_ordered): Rename from expand_omp_ordered.
+ (lower_omp_critical): Rename from expand_omp_critical.
+ (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
+ (lower_omp_for): Re-implement.
+ (lower_omp_parallel): Re-implement.
+ (lower_regimplify): Rename from expand_regimplify.
+ (lower_omp_1): Rename from expand_omp_1.
+ If there are syntax errors in the program, replace every
+ OpenMP directive with NOP.
+ Call lower_omp_* instead of expand_omp_*.
+ (lower_omp): Rename from expand_omp.
+
+ * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
+ * tree-gimple.h (enum omp_parallel_type): Remove.
+ (gimple_boolify): Declare extern.
+ (find_omp_clause, determine_parallel_type): Remove.
+
+ * gimple-low.c (lower_omp_directive): New.
+ (lower_stmt): Call it.
+ (record_vars_into): Move from ...
+ (record_vars): ... here.
+ Call record_vars_into with current_function_decl.
+
+ * gimplify.c (struct gimplify_ctx): Remove fields
+ combined_pre_p and combined_ctxp. Update users.
+ (get_formal_tmp_var): Add documentation.
+ (gimple_boolify): Make extern.
+ (gimplify_expr_in_ctx): Remove. Update callers.
+ (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
+ will always be a BIND_EXPR.
+ (gimplify_expr): Handle OMP_RETURN_EXPR.
+ * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
+ (OMP_PARALLEL): Add 3 operands.
+ (OMP_SECTIONS): Add 1 operand.
+ (OMP_RETURN_EXPR): Define.
+
+ * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
+ (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
+ * tree-iterator.c (alloc_stmt_list): Assert that we are not
+ creating a circular free list.
+ (free_stmt_list): Assert that we are not freeing stmt_list_cache.
+
+ * tree-flow.h (move_sese_region_to_fn): Declare.
+ (record_vars_into): Declare.
+ * tree-cfg.c (make_omp_sections_edges): New.
+ (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
+ OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
+ OMP_SECTIONS and OMP_SECTION.
+ (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
+ (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
+ (verify_stmt): Do not handle OMP_DIRECTIVE_P.
+ (gather_blocks_in_sese_region): New.
+ (struct move_stmt_d): Declare.
+ (move_stmt_r): New.
+ (move_block_to_fn): New.
+ (move_sese_region_to_fn): New.
+
+ * passes.c (init_optimization_passes): Schedule
+ pass_expand_omp after pass_init_datastructures.
+
+ * tree-ssa-operands.c (get_expr_operands): Handle
+ OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
+ OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
+
+2006-01-19 Jeff Law <law@redhat.com>
+
+ * tree-vrp.c (extract_range_from_assert): Refine the result range
+ if the variable referenced by the ASSERT_EXPR has a range and
+ either the tentative result range or the previous range is a
+ VR_ANTI_RANGE.
+
2006-01-19 Richard Sandiford <richard@codesourcery.com>
* c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
* config/s390/s390.md ("Y", "y"): New mode attribute.
- ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
+ ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
"*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
- "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
- "*addsi3_imm_cc", "*addsi3_carry1_cc",
+ "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
+ "*addsi3_imm_cc", "*addsi3_carry1_cc",
"*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
"*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
- "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
+ "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
"*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
"*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
"*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
"*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
"*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
"*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
- "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
+ "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
"*sub<mode>3_cconly2"): New insn patterns.
("addsi3", "subsi3"): New expanders.
(add_may_alias): Ditto.
(replace_may_alias): Ditto.
(get_nmt_for): Ditto.
- (create_global_var):
+ (create_global_var):
(is_escape_site): Return an escape_type enumeration.
* tree-flow-inline.h (is_call_clobbered): Global var does not
imply call clobbered.
* tree-dfa.c (dump_variable): If details is on, dump the reason
for escaping.
* tree-outof-ssa.c (create_temp): Copy escape mask from original
- variable.
+ variable.
* tree-flow.h (struct ptr_info_def): Add escape mask member.
(struct var_ann_d): Ditto.
(enum escape_type): New.
(mark_call_clobbered): Adjust prototype.
* tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
- are never call clobbered.
+ are never call clobbered.
Record reasons for escaping.
* tree-ssa-structalias.h (is_escape_site): Update prototype.
* tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
Add use of PURE_CONST information.
(add_call_read_ops): Remove use of cache.
Add use of static not_read information.
-
+
2006-01-18 Alexandre Oliva <aoliva@redhat.com>
Introduce TLS descriptors for i386 and x86_64.
(ashrdi3): Likewise.
(aeabi_lasr): Likewise.
(lshrdi3): Likewise.
- (aeabi_llsr): Likewise.
+ (aeabi_llsr): Likewise.
2005-03-10 Julian Brown <julian@codesourcery.com>
* config.gcc: Disable shared libgcc for SymbianOS.
* config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
(override_options): Use the size_cost.branch_cost as the default
ix86_branch_cost when optimizing for size.
-2006-01-18 Ben Elliston <bje@au.ibm.com>
+2006-01-18 Ben Elliston <bje@au.ibm.com>
* Makefile.in (D32PBIT_FUNCS): New.
(D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
* doc/libgcc.texi (Decimal float library routines): New node.
* config/dfp-bit.h, config/dfp-bit.c: New files.
-2006-01-18 Ben Elliston <bje@au.ibm.com>
+2006-01-18 Ben Elliston <bje@au.ibm.com>
* expr.c (emit_move_change_mode): Always adjust addresses, not
just during reload. Copy replacements only during reload.
Merge from gomp branch:
* Makefile.in (TREE_INLINE_H): New. Use it as needed.
* tree-inline.h (struct copy_body_data): Move from tree-inline.c
- and rename from struct inline_data. Rename callee* to dst*;
+ and rename from struct inline_data. Rename callee* to dst*;
caller* to src*; add copy_decl hook, transform_call_graph_edges,
transform_new_cfg, transform_return_to_modify, and
transform_lang_insert_block flags; remove cloning_p, versioning_p,
* basic-block.h: Remove the prototype for
partition_hot_cold_basic_blocks.
-2006-01-16 Rafael \81\81Ã\81vila de Esp\81\81Ã\81\81ndola <rafael.espindola@gmail.com>
+2006-01-16 Rafael Ãvila de EspÃndola <rafael.espindola@gmail.com>
* cppspec.c (lang_specific_spec_functions): remove
* gcc.c (lookup_spec_function): use static_spec_functions directelly
* doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
- Roger Sayle <roger@eyesopen.com>
+ Roger Sayle <roger@eyesopen.com>
* fold-const.c (fold_minmax): New static function.
(fold_binary) <MIN_EXPR>: Call it.
used to communicate with thread_through_all_blocks.
* tree-flow.h (thread_through_all_blocks): Update prototype.
(register_jump_thread): Prototype.
-
+
2006-01-11 Kazu Hirata <kazu@codesourcery.com>
* df-core.c (df_compact_blocks, df_bb_replace): Use
2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
* Makefile.in: Removed rotted odf.c entry.
-
+
2006-01-11 Hans-Peter Nilsson <hp@axis.com>
PR target/25706
PR tree-optimization/24123
* Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
- * tree-cfg.c (single_noncomplex_succ): New.
- * tree-flow.h (single_noncomplex_succ): Declare it.
- * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
- * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
- (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
+ * tree-cfg.c (single_noncomplex_succ): New.
+ * tree-flow.h (single_noncomplex_succ): Declare it.
+ * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
+ * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
+ (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
insert_bb, register_division_in, insert_reciprocals,
replace_reciprocal, free_bb): New.
- (execute_cse_reciprocals_1): Rewritten.
- (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
- Do not commit any edge insertion. Always compute dominators and
- create the allocation pool.
- * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
+ (execute_cse_reciprocals_1): Rewritten.
+ (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
+ Do not commit any edge insertion. Always compute dominators and
+ create the allocation pool.
+ * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
* target.h (struct gcc_target): Add min_divistions_for_recip_mul.
* targhooks.c (default_min_divistions_for_recip_mul): New.
* targhooks.h (default_min_divistions_for_recip_mul): New prototype.
- * passes.c (init_optimization_passes): Run recip after tree loop
- optimizations.
- * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
+ * passes.c (init_optimization_passes): Run recip after tree loop
+ optimizations.
+ * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2005-01-11 Danny Berlin <dberlin@dberlin.org>
- Kenneth Zadeck <zadeck@naturalbridge.com>
+ Kenneth Zadeck <zadeck@naturalbridge.com>
* df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
df_ref_remove, df_insn_refs_delete, df_refs_delete,
df_reorganize_refs, df_set_state, df_hard_reg_init,
df_read_modify_subreg_p) New public functions.
- * df-core.c: The core dataflow solver and glue routines for rtl
+ * df-core.c: The core dataflow solver and glue routines for rtl
dataflow.
(df_init, df_add_problem, df_set_blocks, df_finish,
df_hybrid_search_forward, df_hybrid_search_backward,
df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
df_reg_lifetime): New functions.
* df.c: Deleted file.
- * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
+ * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
consistent with new df api.
- * modulo-sched.c (sms_schedule, rest_of_handle_sms,
- rest_of_handle_sms): Ditto.
- * web.c (unionfind_union, union_defs, entry_register, web_main):
+ * modulo-sched.c (sms_schedule, rest_of_handle_sms,
+ rest_of_handle_sms): Ditto.
+ * web.c (unionfind_union, union_defs, entry_register, web_main):
Ditto.
* loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
invariant_expr_equal_p, find_defs, check_dependencies,
find_invariant_insn, find_invariants_to_move, move_invariant_reg,
free_inv_motion_data, move_loop_invariants): Ditto.
- * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
+ * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
Update dependencies.
(odf.c): Added defective entry that was deleted later in day.
* sched-deps.c (sched_analyze_1): Ditto.
Richard Henderson <rth@redhat.com>
Merge from gomp-branch:
- * varasm.c (assemble_variable): Handle thread-local COMMON data.
- * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
+ * varasm.c (assemble_variable): Handle thread-local COMMON data.
+ * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
2006-01-03 Paolo Bonzini <bonzini@gnu.org>
Don't clear have_location_lists.
2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
- Jan Hubicka <jh@suse.cz>
+ Jan Hubicka <jh@suse.cz>
* cfglayout.c (fixup_reorder_chain): Remove kludge for the
case of conditional jump jumping to the next instruction.
2006-01-02 Paolo Bonzini <bonzini@gnu.org>
- PR target/25259
- * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
+ PR target/25259
+ * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
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