+2009-10-19 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.c (s390_z10_optimize_cmp): Don't touch FP compares.
+
+2009-10-19 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.c (s390_z10_optimize_cmp): Use
+ next/prev_active_insn to skip DEBUG_INSNs as well.
+
+2009-10-19 Joseph Myers <joseph@codesourcery.com>
+
+ * config/arm/arm.c (output_move_neon): Use DImode in call to
+ adjust_address.
+
+2009-10-19 Matthias Klose <doko@ubuntu.com>
+
+ PR target/40134
+ * config.gcc (arm*-*-linux-*eabi): Use config/t-slibgcc-libgcc.
+
+2009-10-19 Jakub Jelinek <jakub@redhat.com>
+
+ * cfgexpand.c (expand_debug_expr): Fail if bitpos < 0 for non-MEM
+ op0.
+
+2009-10-17 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
+
+ PR middle-end/41738
+ * optabs.c (expand_binop): Make mode of shift count expression mode
+ of shift count not target.
+ Remove indent nit.
+
+2009-10-17 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-nested.c (convert_nonlocal_reference_stmt) <GIMPLE_COND>: New
+ case. Force using values to replace references within the statement.
+ (convert_local_reference_stmt): Likewise.
+
+2009-10-17 Eric Botcazou <ebotcazou@adacore.com>
+
+ * gimple-low.c (lower_stmt) <GIMPLE_CALL>: If the call is noreturn,
+ remove a subsequent GOTO or RETURN statement.
+
+2009-10-17 Andy Hutchinson <hutchinsonandy@aim.com>
+
+ * config/avr.md (*movqi): Add zero as equally preferable constraint
+ as general register.
+ (*movhi): Ditto.
+
+2009-10-17 Eric Botcazou <ebotcazou@adacore.com>
+
+ * print-tree.c (print_node): Fix string for DECL_STRUCT_FUNCTION.
+
+2009-10-17 Richard Guenther <rguenther@suse.de>
+
+ * lto-streamer-in.c (lto_input_location): Try to reuse
+ previous maps.
+
+2009-10-17 Richard Guenther <rguenther@suse.de>
+
+ * lto-streamer-in.c (input_gimple_stmt): Fixup FIELD_DECL
+ operands in COMPONENT_REFs.
+
+2009-10-17 Anatoly Sokolov <aesok@post.ru>
+
+ * targhooks.c (default_libcall_value): Don't use LIBCALL_VALUE macro
+ if not defined. Change type of second argument to const_rtx.
+ (default_function_value): Call gcc_unreachable if FUNCTION_VALUE
+ macro not defined.
+ * targhooks.h (default_libcall_value): Update prototype.
+ * target.h (struct gcc_target): Change type of second argument of
+ libcall_value to const_rtx.
+ * config/arm/arm.c (arm_libcall_value): Change type of second argument
+ to const_rtx.
+ (arm_libcall_uses_aapcs_base): Change type of argument to const_rtx.
+ * doc/tm.texi (TARGET_LIBCALL_VALUE): Revise documentation.
+
+2009-10-17 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/40521
+ * debug.h (struct gcc_debug_hooks): Add assembly_start hook.
+ * cgraphunit.c (cgraph_optimize): Call it.
+ * dwarf2out.c (dwarf2out_init): Move .cfi_sections printing into...
+ (dwarf2out_assembly_start): ... here. New hook.
+ (dwarf2out_debug_hooks): Add dwarf2out_assembly_start.
+ * debug.c (do_nothing_debug_hooks): Do nothing for assembly_start
+ hook.
+ * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
+ * sdbout.c (sdb_debug_hooks): Likewise.
+ * vmsdbgout.c (vmsdbg_debug_hooks): Add vmsdbgout_assembly_start.
+ (vmsdbgout_assembly_start): New hook.
+
+2009-10-17 Alexandre Oliva <aoliva@redhat.com>
+
+ * rtl.h (RTL_LOCATION): Fix typo.
+
+2009-10-17 Alexandre Oliva <aoliva@redhat.com>
+
+ * print-rtl.c (print_rtx): Print locators in asm_operands
+ and asm_input.
+
+2009-10-17 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/41535
+ * sched-deps.c (depl_on_debug_p): New.
+ (attach_dep_link): Reject debug deps before nondebug deps.
+ (add_to_deps_list): Insert debug deps after nondebug deps.
+ (sd_lists_empty_p): Stop at first nonempty list. Disregard debug
+ deps.
+ (sd_add_dep): Do not reject debug deps.
+ (add_insn_mem_dependence): Don't count debug deps.
+ (remove_from_deps): Likewise.
+ (sched_analyze_2): Set up mem deps on debug insns.
+ (sched_analyze_insn): Record reg uses for deps on debug insns.
+ * haifa-sched.c (schedule_insn): Reset deferred debug insn. Don't
+ try_ready nondebug insn after debug insn.
+ * ddg.c (create_ddg_dep_from_intra_loop_link,
+ create_ddg_dep_no_link): Don't reject debug deps.
+
+2009-10-16 Richard Guenther <rguenther@suse.de>
+
+ * lto-symtab.c (merge_incomplete_and_complete_type): Remove.
+ (maybe_merge_incomplete_and_complete_type): Likewise.
+ (lto_symtab_merge): Do not call them. Do not warn for
+ complete vs. incomplete compatible types.
+ (lto_symtab_merge_decls_2): Simplify.
+ * gimple.c (gimple_force_type_merge): Remove.
+ (gimple_types_compatible_p): Make it static.
+ * gimple.h (gimple_force_type_merge): Remove.
+ (gimple_types_compatible_p): Likewise.
+
+2009-10-16 Jakub Jelinek <jakub@redhat.com>
+
+ * dwarf2out.c (mem_loc_descriptor) <case ZERO_EXTRACT>: Cast
+ DWARF2_ADDR_SIZE to int to avoid signed vs. unsigned warnings.
+
+2009-10-16 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/41728
+ * tree-ssa-dom.c (optimize_stmt): Mark the stmt modified
+ if fold_stmt did anything.
+
+2009-10-16 Richard Guenther <rguenther@suse.de>
+
+ PR lto/41715
+ * lto-streamer-in.c (lto_input_tree_ref): Revert last change.
+ (maybe_fixup_handled_component): New function.
+ (input_gimple_stmt): Fixup mismatched decl replacements.
+
+2009-10-16 Richard Guenther <rguenther@suse.de>
+
+ PR lto/41713
+ * lto-streamer-out.c (lto_output_tree_ref): Handle DEBUG_EXPR_DECL
+ the same as VAR_DECL.
+
+2009-10-16 Richard Guenther <rguenther@suse.de>
+
+ * gimple.c (iterative_hash_gimple_type): For integer types
+ also hash their minimum and maximum values and the string flag.
+ For array types hash their domain and the string flag.
+
+2009-10-16 Richard Guenther <rguenther@suse.de>
+
+ * gimple.c (gimple_types_compatible_p): Restrict completing
+ types to record or unions. Simplify completion.
+ Do not merge records or unions with different
+ TYPE_STRUCTURAL_EQUALITY_P tag.
+ (iterative_hash_gimple_type): Restrict non-recursing into
+ pointer targets for records and unions.
+
+2009-10-15 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/41717
+ * cfgexpand.c (expand_debug_expr): Handle CONJ_EXPR.
+ * dwarf2out.c (mem_loc_descriptor): Don't handle
+ POST_INT/POST_DEC/POST_MODIFY like SUBREG. For SUBREG
+ punt if it is not lowpart subreg or if inner mode isn't
+ MODE_INT.
+
+2009-10-16 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.c (s390_z10_optimize_cmp): Skip notes when
+ investigating previous or next insns.
+
+2009-10-16 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-sra.c (build_ref_for_offset_1): Update comment.
+
+2009-10-16 Wolfgang Gellerich <gellerich@de.ibm.com>
+
+ * config/s390/s390.md (atype): Added missing values.
+
+2009-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/41702
+ * pa.md (casesi): Use sign extended index in call to
+ gen_casesi64p.
+ (casesi64p): Update pattern to reflect above.
+
+2009-10-15 Steve Ellcey <sje@cup.hp.com>
+
+ PR rtl-optimization/41697
+ * sel-sched-ir.h (_eligible_successor_edge_p): Check successor count.
+
+2009-10-15 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ PR target/23983
+ * config/rs6000/predicates.md: Update copyright year.
+ * config/rs6000/altivec.md: Ditto.
+
+ * config/rs6000/t-rs6000 (TM_H): Add rs6000-builtin.def.
+ (MD_INCLUDES): Add a2.md.
+
+ * config/rs6000/rs6000.c (rs6000_builtin_decls): Change
+ RS6000_BUILTIN_COUNT to MAX_RS6000_BUILTINS.
+ (builtin_classify): New static vector to classify various builtins
+ to get the tree attributes correct.
+ (def_builtin): Set the attributes of builtins based on what the
+ builtin does (i.e. memory operation, floating point, saturation
+ need special attributes, others are pure functions).
+
+ * config/rs6000/rs6000.h (enum rs6000_btc): New enum to classify
+ the builtins.
+ (enum rs6000_builtins): Include rs6000-builtin.def to define the
+ builtins. Change the end marker to MAX_RS6000_BUILTINS from
+ RS6000_BUILTIN_COUNT.
+ (rs6000_builtin_decls): Change RS6000_BUILTIN_COUNT to
+ MAX_RS6000_BUILTINS.
+
+ * config/rs6000/rs6000-builtin.def: New file that combines the
+ builtin enumeration name and attributes.
+
+2009-10-15 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/linux.h (ASM_SPEC): Add --32.
+
+2009-10-15 Jakub Jelinek <jakub@redhat.com>
+
+ * dwarf2out.c (dwarf_tag_name): Handle DW_TAG_rvalue_reference_type
+ and DW_TAG_template_alias.
+ (dwarf_attr_name): Handle DW_AT_main_subprogram,
+ DW_AT_data_bit_offset, DW_AT_const_expr, DW_AT_enum_class,
+ DW_AT_linkage_name, DW_AT_GNU_guarded_by, DW_AT_GNU_pt_guarded_by,
+ DW_AT_GNU_guarded, DW_AT_GNU_pt_guarded, DW_AT_GNU_locks_excluded,
+ DW_AT_GNU_exclusive_locks_required, DW_AT_GNU_shared_locks_required
+ and DW_AT_GNU_odr_signature.
+ (dwarf_form_name): Handle DW_FORM_sec_offset, DW_FORM_exprloc,
+ DW_FORM_flag_present and DW_FORM_ref_sig8.
+ (output_signature): Only print name on the first byte.
+ (output_die): Likewise for dw_val_class_data8.
+
+2009-10-15 Alexander Monakov <amonakov@ispras.ru>
+
+ * doc/invoke.texi: Clarify that most optimizations are not enabled
+ without -O.
+
+2009-10-15 Richard Guenther <rguenther@suse.de>
+
+ PR lto/41668
+ * gimple.c (compare_type_names_p): Handle anonymous names
+ differently based on new mode argument.
+ (gimple_types_compatible_p): For structs also compare the tags.
+ (iterative_hash_type_name): Rename to ...
+ (iterative_hash_name): ... this. Hash all names.
+ (iterative_hash_gimple_type): Fix hashing the struct tag of
+ pointer targets. Hash field decl names.
+
+2009-10-15 Richard Guenther <rguenther@suse.de>
+
+ PR lto/41669
+ * gimple.c (gimple_get_alias_set): Avoid recursing on
+ invalid type topology.
+
+2009-10-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ * config/spu/spu.c (get_branch_target): Use extract_asm_operands.
+
+2009-10-15 Richard Guenther <rguenther@suse.de>
+
+ * tree.c (free_lang_data_in_decl): Free DECL_FCONTEXT.
+
+2009-10-15 Jakub Jelinek <jakub@redhat.com>
+
+ * config/rs6000/option-defaults.h (OPTION_DEFAULT_SPECS): Don't
+ add --with-tune{,-32,-64} configured default for -mtune if explicit
+ -mcpu is used.
+
+2009-10-14 Daniel Gutson <dgutson@codesourcery.com>
+
+ * config/arm/neon.md (neon_vshll_n<mode>): Checking Bounds
+ fixed.
+
+2009-10-14 DJ Delorie <dj@redhat.com>
+
+ * config/h8300/h8300.c (F): New.
+ (Fpa): New.
+ (h8300_emit_stack_adjustment): Call them.
+ (push): Likewise.
+ (h8300_push_pop): Likewise.
+ (h8300_expand_prologue): Likewise.
+ * config/h8300/h8300.h (DWARF2_DEBUGGING_INFO): Define.
+ (MUST_USE_SJLJ_EXCEPTIONS): Define.
+ (INCOMING_RETURN_ADDR_RTX): Define.
+ (INCOMING_FRAME_SP_OFFSET): Define.
+ (DWARF_CIE_DATA_ALIGNMENT): Define.
+
+2009-10-14 Jakub Jelinek <jakub@redhat.com>
+
+ * stor-layout.c (place_field): Don't emit -Wpadded warnings for
+ fields in builtin structs.
+ (finalize_record_size): Likewise.
+
+2009-10-14 Richard Guenther <rguenther@suse.de>
+
+ * gimple.c (gtc_ob): New global.
+ (struct type_pair_d): Replace pointers with type UIDs.
+ (type_pair_hash): Adjust.
+ (type_pair_eq): Likewise.
+ (lookup_type_pair): Likewise. Allocate from an obstack.
+ (gimple_force_type_merge): Adjust.
+ (gimple_types_compatible_p): Likewise.
+ (free_gimple_type_tables): Free the obstack.
+
+2009-10-14 Jakub Jelinek <jakub@redhat.com>
+
+ * tree-parloops.c (separate_decls_in_region_debug_bind): Drop debug
+ stmts setting DEBUG_EXPR_DECLs.
+
+ * cfgexpand.c (expand_debug_expr): Ignore zero-length bitfields.
+ Don't crash if mode1 is VOIDmode.
+
+2009-09-26 Vladimir Makarov <vmakarov@redhat.com>
+
+ * params.def (PARAM_IRA_LOOP_RESERVED_REGS): New.
+ * params.h (IRA_LOOP_RESERVED_REGS): New
+ * tree-pass.h (pass_subregs_of_mode_init,
+ pass_subregs_of_mode_finish): Remove.
+ * passes.c (pass_subregs_of_mode_init,
+ pass_subregs_of_mode_finish): Remove.
+ (pass_reginfo_init): Move before loop optimizations.
+ * config/i386/i386.h (STACK_REG_COVER_CLASS): Define.
+ * common.opt (fira-loop-pressure): New.
+ * toplev.h (flag_ira_loop_pressure): New.
+ * rtl.h (init_subregs_of_mode, finish_subregs_of_mode): New
+ externals.
+ * reginfo.c (init_subregs_of_mode, finish_subregs_of_mode):
+ Make external and void type functions.
+ (gate_subregs_of_mode_init, pass_subregs_of_mode_init,
+ pass_subregs_of_mode_finish): Remove.
+ * ira-costs.c (init_costs): Call init_subregs_of_mode.
+ * regmove.c: Include ira.h.
+ (regmove_optimize): Call ira_set_pseudo_classes after IRA based
+ register pressure calculation in loops.
+ * loop-invariant.c: Include REGS_H and ira.h.
+ (struct loop_data): New members max_reg_pressure, regs_ref, and
+ regs_live.
+ (struct invariant): New member orig_regno.
+ (curr_loop): New variable.
+ (find_exits): Initialize regs_ref and regs_live.
+ (create_new_invariant): Initialize orig_regno.
+ (get_cover_class_and_nregs): New.
+ (get_inv_cost): Make aregs_needed an array. Use regs_needed as an
+ array. Add code for flag_ira_loop_pressure.
+ (gain_for_invariant): Make new_regs an array. Add code for
+ flag_ira_loop_pressure.
+ (best_gain_for_invariant): Ditto.
+ (set_move_mark): New parameter gain. Use it for debugging output.
+ (find_invariants_to_move): Make regs_needed and new_regs an array.
+ Add code for flag_ira_loop_pressure.
+ (move_invariant_reg): Set up orig_regno.
+ (move_invariants): Set up reg classes for pseudos for
+ flag_ira_loop_pressure.
+ (free_loop_data): Clear regs_ref and regs_live.
+ (curr_regs_live, curr_reg_pressure, regs_set, n_regs_set,
+ get_regno_cover_class, change_pressure, mark_regno_live,
+ mark_regno_death, mark_reg_store, mark_reg_clobber,
+ mark_reg_death, mark_ref_regs, calculate_loop_reg_pressure): New.
+ (move_loop_invariants): Calculate pressure. Initialize curr_loop.
+ * ira.c (ira): Call ira_set_pseudo_classes after IRA based
+ register pressure calculation in loops if new regs were added.
+ Call finish_subregs_of_mode.
+ * opts.c (decode_options): Set up flag_ira_loop_pressure.
+ * Makefile.in (loop-invariant.o): Add ira.h.
+ (regmove.o): Ditto.
+ * doc/invoke.texi (-fira-loop-pressure, ira-loop-reserved-regs):
+ Describe.
+ * doc/tm.texi (STACK_REG_COVER_CLASS): Describe.
+
+2009-10-14 Richard Guenther <rguenther@suse.de>
+
+ * lto-symtab.c (lto_symtab_compatible): Fold in ...
+ (lto_symtab_merge): ... here. Rewrite both to take the
+ prevailing and a to-be-merged entry and to queue diagnostics
+ properly.
+ (lto_symtab_resolve_replaceable_p): New predicate for
+ symbol resolution.
+ (lto_symtab_resolve_can_prevail_p): Likewise.
+ (lto_symtab_resolve_symbols): Rewrite. Fold in code that
+ handles merging commons by choosing the largest decl. Fold
+ in code that gives ODR errors.
+ (lto_symtab_merge_decls_2): Simplify a lot. Emit queued
+ diagnostics here.
+ (lto_symtab_merge_decls_1): Re-structure. Deal with the
+ case of no prevailing decl here. Diagnose mismatches
+ in object types here. Drop all but the prevailing decls.
+ (lto_symtab_prevailing_decl): Return the single prevailing decl.
+ * lto-streamer-in.c (lto_input_tree_ref): Deal with
+ VIEW_CONVERT_EXPRs in decl slots. Unshare the tree in this case.
+
+2009-10-14 Richard Guenther <rguenther@suse.de>
+
+ PR lto/41521
+ * lto-streamer-in.c (input_bb): Replace debug stmts with
+ nops instead of dropping them.
+
+2009-10-14 Nick Clifton <nickc@redhat.com>
+
+ * gcc/doc/extended.texi: Replace the dash character with
+ @minus{} in situations where it is being used as a minus
+ symbol.
+ * gcc/doc/tm.texi: Likewise.
+ * gcc/doc/md.texi: Likewise.
+
2009-10-14 Jakub Jelinek <jakub@redhat.com>
+ PR preprocessor/41543
+ * input.h (BUILTINS_LOCATION): Change to 1 from 2.
+ Assert BUILTINS_LOCATION < RESERVED_LOCATION_COUNT.
+ * tree.c: Include intl.h.
+ (expand_location): Handle BUILTINS_LOCATION.
+ * Makefile.in (tree.o): Depend on intl.h.
+
PR debug/41695
* dwarf2out.c (dwarf2out_var_location): Always clear
last_postcall_label when changing last_label.