+2013-04-12 Release Manager
+
+ * GCC 4.6.4 released.
+
+2012-04-23 Peter Bergner <bergner@vnet.ibm.com>
+
+ Backport from mainline
+ 2011-06-11 Jan Hubicka <jh@suse.cz>
+
+ PR lto/48246
+ * lto.c (lto_1_to_1_map): Don't create empty partitions.
+ (lto_balanced_map): Likewise.
+
+2012-03-01 Release Manager
+
+ * GCC 4.6.3 released.
+
+2011-12-13 Eric Botcazou <ebotcazou@adacore.com>
+
+ * lto.h (lto_parse_hex): Delete.
+ * lto.c (lto_read_decls): Use 'int' for offsets.
+ (lto_parse_hex): Make static and return proper 64-bit host type.
+ (lto_resolution_read): Use proper 64-bit host type.
+
+2011-10-26 Release Manager
+
+ * GCC 4.6.2 released.
+
+2011-06-27 Release Manager
+
+ * GCC 4.6.1 released.
+
+2011-03-31 Richard Guenther <rguenther@suse.de>
+
+ PR lto/48246
+ * lto.c (lto_wpa_write_files): Disable assert for non-empty
+ partitions when checking is not enabled.
+
+2011-03-25 Release Manager
+
+ * GCC 4.6.0 released.
+
+2011-02-18 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/47807
+ * Make-lang.in (lto/lto-lang.o): Depend on $(LTO_STREAMER_H) instead
+ of lto-streamer.h.
+
+2011-02-18 Richard Guenther <rguenther@suse.de>
+
+ PR lto/47798
+ * lto-tree.h (lto_global_var_decls): Do not declare here.
+ * lto-lang.c: Include lto-streamer.h.
+ * Make-lang.in (lto-lang.o): Adjust dependencies.
+
+2011-02-10 Kai Tietz <kai.tietz@onevision.com>
+
+ PR lto/47241
+ * lto.c (lto_read_section_data): Free
+ fd_name in failure case.
+ For mingw targets don't hash file-descriptor.
+ (read_cgraph_and_symbols): Close current_lto_file
+ in failure case.
+
+2011-01-11 Jan Hubicka <jh@suse.cz>
+
+ PR lto/45721
+ PR lto/45375
+ * lto.c (partition_cgraph_node_p, partition_varpool_node_p): Weakrefs are
+ not partitioned.
+
+2010-12-22 Nathan Froyd <froydnj@codesourcery.com>
+
+ * lto-lang.c (handle_nonnull_attribute, handle_sentinel_attribute):
+ Use prototype_p.
+
+2010-12-06 Richard Guenther <rguenther@suse.de>
+
+ PR lto/46796
+ * lto-lang.c (lto_init): Give names to basic types.
+
+2010-11-30 Joseph Myers <joseph@codesourcery.com>
+
+ * lto-object.c: Don't include toplev.h.
+ * Make-lang.in (lto/lto-object.o): Don't depend on toplev.h.
+
+2010-11-30 Joseph Myers <joseph@codesourcery.com>
+
+ * Make-lang.in (lto/lto-object.o): Depend on toplev.h instead of
+ $(TOPLEV_H).
+
+2010-11-29 Joseph Myers <joseph@codesourcery.com>
+
+ * lto-endian.h: Delete.
+ * lto-object.c: Don't include "libiberty.h".
+ (O_BINARY): Don't define.
+ * lto.c: Don't include "libiberty.h" or <sys/mman.h>.
+ (O_BINARY): Don't define.
+
+2010-11-23 Richard Guenther <rguenther@suse.de>
+
+ * lto.c (read_cgraph_and_symbols): Remove newline from diagnostic.
+
+2010-11-23 Richard Guenther <rguenther@suse.de>
+
+ PR lto/46605
+ * lto.c (read_cgraph_and_symbols): Bail out after errors.
+
+2010-11-17 Joseph Myers <joseph@codesourcery.com>
+
+ * lto.c (lto_main): Take no arguments.
+ * lto.h (lto_main): Update prototype.
+
+2010-11-16 Ian Lance Taylor <iant@google.com>
+
+ * lto-object.c (lto_obj_file_open): Call
+ simple_object_attributes_merge rather than
+ simple_object_attributes_compare.
+
+2010-11-12 Joseph Myers <joseph@codesourcery.com>
+
+ * Make-lang.in (lto/lto.o): Use $(OPTS_H).
+ * lto-lang.c (lto_handle_option): Take location_t parameter.
+
+2010-11-10 Joseph Myers <joseph@codesourcery.com>
+
+ * lto.c (lto_resolution_read): Start diagnostics with lowercase
+ letters and remove trailing '.'.
+ (lto_file_finalize): Start diagnostic with a lowercase letter.
+
+2010-11-02 Ian Lance Taylor <iant@google.com>
+
+ * lto-object.c: New file.
+ * lto-elf.c: Remove file.
+ * lto-macho.c: Remove file.
+ * lto-macho.h: Remove file.
+ * lto-coff.c: Remove file.
+ * lto-coff.h: Remove file.
+ * Make-lang.in (LTO_OBJS): Change lto/$(LTO_BINARY_READER).o to
+ lto/lto-object.o.
+ ($(LTO_EXE)): Remove $(LTO_USE_LIBELF)
+ (lto/lto-objfile.o): New target.
+ (lto/lto-elf.o, lto/lto-coff.o, lto/lto-macho.o): Remove targets.
+ (lto/lto.o): Remove $(LIBIBERTY_H).
+
+2010-10-22 Jan Hubicka <jh@suse.cz>
+
+ * lto.c (add_cgraph_node_to_partition,
+ add_varpool_node_to_partition): Add debug info.
+ (lto_1_to_1_map, lto_balanced_map): Do not re-add already
+ partitioned nodes.
+ (do_whole_program_analysis): Set function flags before dumping.
+
+2010-10-22 Richard Guenther <rguenther@suse.de>
+
+ * lto.c (lto_fixup_type): Fixup TYPE_CANONICAL again, via
+ the new gimple_register_canonical_type.
+
+2010-10-20 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR bootstrap/45954
+ * config-lang.in (boot_language): Set to $enable_lto.
+
+2010-10-18 Jakub Jelinek <jakub@redhat.com>
+
+ PR lto/45638
+ * Make-lang.in (check-lto): New dummy target.
+
+2010-10-14 Eric Botcazou <ebotcazou@adacore.com>
+
+ * lto-elf.c (SHN_XINDEX): Define if not already defined.
+
+2010-10-08 Joseph Myers <joseph@codesourcery.com>
+
+ * lto-lang.c (lto_init_options): Change to
+ lto_init_options_struct. Update parameters.
+ (LANG_HOOKS_INIT_OPTIONS): Don't define.
+ (LANG_HOOKS_INIT_OPTIONS_STRUCT): Define.
+
+2010-10-06 Jan Hubicka <jh@suse.cz>
+
+ * lto.c (lto_balanced_map): Fix accounting of program size.
+
+2010-10-06 Jan Hubicka <jh@suse.cz>
+
+ * lto.c (lto_balanced_map): Do not produce empty partitions.
+
+2010-10-06 Andi Kleen <ak@linux.intel.com>
+
+ * lto.c (lto_process_name): Add.
+ (lto_main): Call lto_process_name.
+
+2010-10-06 Jan Hubicka <jh@suse.cz>
+
+ * lto.c (partition_cgraph_node_p, partition_varpool_node_p): Handle
+ COMDATs required by the linker.
+
+2010-10-05 Ian Lance Taylor <iant@google.com>
+
+ * lto.c (lto_section_with_id): Make s a const pointer.
+
+2010-10-05 Jan Hubicka <jh@suse.cz>
+
+ * lto.c: Include params.h.
+ (add_cgraph_node_to_partition, add_varpool_node_to_partition): Do
+ refcounting in aux field.
+ (undo_partition, partition_cgraph_node_p, partition_varpool_node_p):
+ New functions.
+ (lto_1_to_1_map): Simplify.
+ (lto_balanced_map): New function.
+ (do_whole_program_analysis): Chose proper partitioning alg.
+ * Make-lang.in (lto.o): Add dependency on params.h
+
+2010-10-04 Andi Kleen <ak@linux.intel.com>
+
+ * Make-lang.in (lto1): Add + to build rule.
+
+2010-10-03 Andi Kleen <ak@linux.intel.com>
+
+ * lto.c (lto_file_finalize): Replace gcc_assert for missing section
+ with fatal_error.
+
+2010-09-28 Jan Hubicka <jh@suse.cz>
+
+ * lto-lang.c (handle_leaf_attribute): New function.
+ (lto_attribute_tables): Add leaf.
+
+2010-09-25 Jie Zhang <jie@codesourcery.com>
+
+ * lto.c (lto_read_all_file_options): Start a new line after
+ printing out file names.
+
+2010-09-24 Jan Hubicka <jh@suse.cz>
+
+ * lto.c (lto_promote_cross_file_statics): Use const_value_known_p.
+
+2010-09-20 Jan Hubicka <jh@suse.cz>
+
+ PR tree-optimize/45605
+ * lto.c (lto_promote_cross_file_statics): Use const_value_known_p.
+
+2010-09-18 Gerald Pfeifer <gerald@pfeifer.com>
+
+ * lto-elf.c (lto_obj_file_open): Also provide filename when
+ elf_begin fails.
+
+2010-09-17 Jan Hubicka <jh@suse.cz>
+
+ * lto.c (lto_promote_cross_file_statics): Use const_value_known.
+
+2010-09-17 Richard Guenther <rguenther@suse.de>
+
+ * lang.opt (flag_wpa): Also enable for the driver.
+
+2010-09-16 Jan Hubicka <jh@suse.cz>
+
+ * lto.c (lto_materialize_function): Do not tamper with STATIC and
+ EXTERNAL flags.
+
+2010-09-15 Laurynas Biveinis <laurynas.biveinis@gmail.com>
+
+ * lto-tree.h (struct lang_type): Add variable_size GTY option.
+
+2010-09-08 Jan Hubicka <jh@suse.cz>
+
+ * lto.c (real_file_count, real_file_decl_data): New static vars.
+ (read_cgraph_and_symbols): Use it.
+
+2010-09-08 Richard Guenther <rguenther@suse.de>
+
+ * lto.c (read_cgraph_and_symbols): Collect again after each
+ file.
+
+2010-09-07 Jan Hubicka <jh@suse.cz>
+
+ * lto.c (promote_var, promote_fn): Set DECL_VISIBILITY_SPECIFIED.
+
+2010-09-03 Richard Guenther <rguenther@suse.de>
+
+ * lto-elf.c (validate_file): Always error if validation fails.
+
+2010-08-20 Jan Hubicka <jh@suse.cz>
+
+ * lto.c (lto_1_to_1_map): Be prepared for node to have no file data.
+ (lto_wpa_write_files): Update comments.
+
+2010-08-20 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR bootstrap/45357
+ * lto.c (lto_materialize_function): Replace has_analyzed_clone
+ with has_analyzed_clone_p.
+
+2010-08-20 Jan Hubicka <jh@suse.cz>
+
+ * lto.c (has_analyzed_clone_p): New function
+ (lto_materialize_function): Use callgraph to determine if
+ body is needed.
+ (materialize_cgraph): Remove DECL_IS_BUILTIN check.
+
+2010-08-20 Nathan Froyd <froydnj@codesourcery.com>
+
+ * lto.c: Use FOR_EACH_VEC_ELT.
+
+2010-07-27 Andi Kleen <ak@linux.intel.com>
+
+ * Make-lang.in (lto.o): Add dependency to splay-tree.h
+
+2010-07-27 Joseph Myers <joseph@codesourcery.com>
+
+ * lto-lang.c (lto_handle_option): Update prototype and return
+ value type. Remove duplicate assignment to result.
+
+2010-07-27 Joseph Myers <joseph@codesourcery.com>
+
+ * lto-lang.c (lto_option_lang_mask, lto_complain_wrong_lang_p):
+ New.
+ (lto_init_options): Update prototype.
+ (LANG_HOOKS_OPTION_LANG_MASK, LANG_HOOKS_COMPLAIN_WRONG_LANG_P):
+ Define.
+
+2010-07-10 Andi Kleen <ak@linux.intel.com>
+
+ PR lto/44992
+ * lto.c: Include splay-tree.h
+ (lto_resolution_read): Change to walk file_ids tree and parse
+ extra file_id in resolution file.
+ (lto_section_with_id): Add.
+ (create_subid_section_table): Add.
+ (lwstate): Add.
+ (lto_create_files_from_ids): Add.
+ (lto_file_read): Change to handle sub file ids and create list
+ of file_datas. Add output argument for count.
+ (get_section_data): Pass file_data to lto_get_section_name.
+ (lto_flatten_file): Add.
+ (read_cgraph_and_symbols): Handle linked lists of file_datas.
+
+2010-07-10 Andi Kleen <ak@linux.intel.com>
+
+ * lto-coff.c (hash_name, eq_name): Move.
+ (lto_obj_build_section_table): Call lto_obj_create_section_hash_table.
+ * lto-elf.c: (hash_name, eq_name): Move.
+ (lto_obj_build_section_table): Call lto_obj_create_section_hash_table.
+ * lto-macho.c: (hash_name, eq_name): Move.
+ (lto_obj_build_section_table): Call lto_obj_create_section_hash_table.
+ * lto.c: (hash_name, eq_name): Move from lto-*.c
+ (lto_obj_create_section_hash_table): Add.
+ (free_with_string): Add.
+
+2010-07-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ * lto-coff.c: Include diagnostic-core.h in every file that
+ includes toplev.h.
+ * lto-elf.c: Likewise.
+ * lto-lang.c: Likewise.
+ * lto-macho.c: Likewise.
+
+2010-07-07 Jakub Jelinek <jakub@redhat.com>
+
+ * lto-elf.c (ELFOSABI_NONE, ELFOSABI_LINUX): Define if not defined.
+ (validate_file): Allow merging of ELFOSABI_NONE with ELFOSABI_LINUX
+ objects.
+
+2010-07-05 Jan Hubicka <jh@suse.cz>
+
+ * lto.c (add_cgraph_node_to_partition): Forward declare; walk also
+ nodes from same comdat group as well as all comdat functions referenced
+ here.
+ (add_varpool_node_to_partition, add_references_to_partition): New function.
+ (lto_1_1_map): Skip COMDAT fnctions/variables; use add_varpool_node_to_partition;
+ clear aux flags when done.
+ (lto_promote_cross_file_statics): Do not promote stuff that gets duplicated to
+ each ltrans.
+
+2010-07-04 Jan Hubicka <jh@suse.cz>
+
+ * lto.c (read_cgraph_and_symbols): Dump cgraph before merging.
+
+2010-06-13 Richard Guenther <rguenther@suse.de>
+
+ * lto.c (lto_fixup_type): Do not register or fixup TYPE_CANONICAL.
+
+2010-06-09 Kai Tietz <kai.tietz@onevision.com>
+
+ * lto.c (lto_resolution_read): Pre-initialize local variable r.
+ * lto-coff.c (coff_write_object_file): Add braces to if.
+
+2010-06-08 Laurynas Biveinis <laurynas.biveinis@gmail.com>
+
+ * lto.c (lto_read_in_decl_state): Use typed GC allocation.
+ (lto_file_read): Likewise.
+ (new_partition): Likewise.
+ (read_cgraph_and_symbols): Likewise.
+
+2010-06-07 Joseph Myers <joseph@codesourcery.com>
+
+ * lto-lang.c (flag_no_builtin, flag_no_nonansi_builtin): Remove.
+ (lto_handle_option): Don't set flag_signed_char here.
+
+2010-06-04 Richard Guenther <rguenther@suse.de>
+
+ PR lto/41584
+ * lto.c (lto_1_to_1_map): Use the proper file_data for
+ varpool nodes.
+
+2010-05-30 Jan Hubicka <jh@suse.cz>
+
+ * lto.c (promote_var, promote_fn, lto_wpa_write_files): Dump
+ partitioning decisions.
+
+2010-05-29 Jan Hubicka <jh@suse.cz>
+
+ * lto.c (bitmap vector): Remove.
+ (lto_cgraph_node_sets, lto_varpool_node_sets): Remove.
+ (ltrans_partition_def): New structure.
+ (ltrans_partition): New type and VECtor.
+ (new_partition): New function.
+ (add_cgraph_node_to_partition): New function.
+ (lto_1_to_1_map): Reorganize for partitions.
+ (lto_add_inline_clones): Remove.
+ (lto_add_all_inlinees): Remove.
+ (lto_promote_cross_file_statics): Use partitions.
+ (cmp_partitions): New function.
+ (lto_wpa_write_files): Do not call lto_add_all_inlinees;
+ use partitions; output files sorted by size.
+
+2010-05-29 Steven Bosscher <steven@gcc.gnu.org>
+
+ * Make-lang.in: Replace vec.h dependency with VEC_H.
+
+2010-05-28 Joseph Myers <joseph@codesourcery.com>
+
+ * lto-coff.c (coff_errmsg): Remove.
+ (lto_coff_begin_section_with_type, lto_obj_append_data): Use %m in
+ errors instead of coff_errmsg (-1).
+ * lto-macho.c (mach_o_errmsg): Remove.
+ (lto_obj_begin_section, lto_obj_append_data): Use %m in errors
+ instead of mach_o_errmsg (-1).
+ * lto.c (read_cgraph_and_symbols): Use %m in errors instead of
+ xstrerror (errno).
+
+2010-05-28 Richard Guenther <rguenther@suse.de>
+
+ * lto.c (prefix_name_with_star): Removed.
+ (strip_extension): Likewise.
+ (get_filename_for_set): Likewise.
+ (lto_write_ltrans_list): Fold into ...
+ (lto_wpa_write_files): ... this. Name LTRANS units
+ by suffixing the ltrans output list filename.
+ (do_whole_program_analysis): Adjust.
+
+2010-05-27 Joseph Myers <joseph@codesourcery.com>
+
+ * lto.c: Include diagnostic-core.h instead of diagnostic.h.
+ (read_cgraph_and_symbols, lto_main): Use seen_error.
+ * Make-lang.in (lto/lto.o): Update dependencies.
+
+2010-05-27 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR lto/44230
+ * lto.h (lto_eh_personality): New prototype.
+ * lto.c: Include debug.h.
+ (first_personality_decl): New static variable.
+ (lto_materialize_function): Set it to DECL_FUNCTION_PERSONALITY of the
+ first function for which it is non-null.
+ (lto_eh_personality_decl): New static variable.
+ (lto_eh_personality): New function.
+ * lto-lang.c (LANG_HOOKS_EH_PERSONALITY): Redefine to above function.
+ * Make-lang.in (lto/lto.o): Add dependency on debug.h.
+
+2010-05-26 Steven Bosscher <steven@gcc.gnu.org>
+
+ * lto-lang.c: Do not include expr.h.
+
+2010-05-24 Richard Guenther <rguenther@suse.de>
+
+ * lto-elf.c (lto_obj_build_section_table): Work around
+ FreeBSD libelf issue.
+
+2010-05-22 Richard Guenther <rguenther@suse.de>
+
+ * lto.c (read_cgraph_and_symbols): Do not collect.
+
+2010-05-20 Jan Hubicka <jh@suse.cz>
+
+ * lto.c (promote_var, promote_fn): New functions.
+ (lto_promote_cross_file_statics): Compute correctly boundary including
+ static initializers of readonly vars.
+
+2010-05-18 Jan Hubicka <jh@suse.cz>
+
+ * lto.c (lto_1_to_1_map): Partition non-inline clones.
+ (lto_promote_cross_file_statics): Deal with non-inline clones.
+
+2010-05-18 Jan Hubicka <jh@suse.cz>
+
+ * lto.c (lto_materialize_function): Announce function when
+ reading body; allocate_struct_function only when reading body;
+ do not finalize local statics; ggc_collect after reading;
+ do not mark reachable node.
+ (materialize_cgraph): Do not announce function.
+
+2010-05-11 Jan Hubicka <jh@suse.cz>
+
+ * lto.c (materialize_cgraph): Revert my previous patch.
+
+2010-05-11 Kai Tietz <kai.tietz@onevision.com>
+
+ * lto-coff.c (IMAGE_FILE_MACHINE_ADM64): Rename to
+ IMAGE_FILE_MACHINE_AMD64.
+ * lto-coff.c (IMAGE_FILE_MACHINE_ADM64): Likewise.
+
+2010-05-11 Jan Hubicka <jh@suse.cz>
+
+ * lto.c (lto_fixup_decls): Remove global var decls freeing here.
+ (materialize_cgraph): Add it here.
+
+2010-05-11 Jan Hubicka <jh@suse.cz>
+
+ * lto.c (lto_fixup_decls): Free no longer needed lto_global_var_decls
+ vector.
+
+2010-05-11 Jan Hubicka <jh@suse.cz>
+
+ * lto.c (lto_1_to_1_map): Remove some no longer needed checks.
+ (lto_promote_cross_file_statics): Never promote DECL_EXTERNAL;
+ use reachable_from_other_partition_p and
+ referenced_from_other_partition_p test.
+
+2010-05-11 Kai Tietz <kai.tietz@onevision.com>
+
+ * lto-coff.c (validate_file): Add x64-coff support.
+ * lto-coff.h (IMAGE_FILE_MACHINE_ADM64): New.
+ (COFF_KNOWN_MACHINES): Add IMAGE_FILE_MACHINE_ADM64.
+ * lto-lang.c (lto_build_c_type_nodes): Add check for
+ 'long long unsigned int' for x64-windows.
+ (lto_init): Likewise.
+
+
+2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
+
+ * lto.h (struct lto_file_struct): Document offset member.
+ * lto-endian.h: New file.
+ * lto-macho.h: New file.
+ * lto-macho.c: New file.
+ * Make-lang.in: Add rule for lto-macho.o.
+
+2010-05-07 Richard Guenther <rguenther@suse.de>
+
+ PR lto/43857
+ PR lto/43371
+ * lang.opt (fresolution): Change to ...
+ (fresolution=): ... this.
+ * lto-lang.c (lto_handle_option): Adjust.
+
+2010-05-07 Richard Guenther <rguenther@suse.de>
+
+ * lto.c (DUMPBASE_SUFFIX): Remove.
+ (lto_execute_ltrans): Move functionality to lto-wrapper.c.
+ Rename to ...
+ (lto_write_ltrans_list): ... only output the list of ltrans files.
+ (lto_maybe_unlink): Remove.
+ (do_whole_program_analysis): Do not execute LTRANS phase
+ from here.
+
+2010-05-06 H.J. Lu <hongjiu.lu@intel.com>
+
+ * lto-lang.c (lto_handle_option): Add argument kind.
+
+2010-05-05 Jan Hubicka <jh@suse.cz>
+
+ * lto.c (lto_promote_cross_file_statics): Compute boundary based on
+ refs.
+
+2010-05-05 Jan Hubicka <jh@suse.cz>
+
+ * lto.c (lto_1_to_1_map): Partition only needed nodes.
+
2010-04-30 Jan Hubicka <jh@suse.cz>
* lto.c (get_filename_for_set): Look for cgraph node and if none found, use
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