+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.
+
+2009-10-14 Pascal Obry <obry@adacore.com>
+
+ * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Add -E.
+ (process_command): Handle -E as done with -c and -S. Do not add
+ the target executable suffix to the output file when -E is used.
+ (main): Adjust error message accordingly.
+
+2009-10-14 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/41343
+ PR debug/41447
+ PR debug/41264
+ PR debug/41338
+ * tree.c (tree_node_structure_for_code): DEBUG_EXPR_DECL uses
+ decl with rtl.
+ (tree_code_size): Likewise.
+
+2009-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (fold_builtin_1): Support complex "arc" functions.
+ * real.h (HAVE_mpc_arc): Define.
+
+2009-10-14 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.c (TARGET_BUILTIN_DECL): Define.
+ (struct builtin_description): Add fndecl field.
+ (bdesc): Remove const qualifier. Update initializer.
+ (sh_media_init_builtins): Remove const qualifier for d. Record
+ the result of add_builtin_function to the fndecl field.
+ (sh_builtin_decl): New.
+ (sh_media_builtin_decl): New.
+
+2009-10-14 Hans-Peter Nilsson <hp@axis.com>
+
+ PR target/38948
+ * config/cris/cris.h (SECONDARY_RELOAD_CLASS): Handle reload
+ requests between special registers.
+
+2009-10-13 Eric Botcazou <ebotcazou@adacore.com>
+
+ * dwarf2out.c (mem_loc_descriptor): Accept UNGT as well.
+
+2009-10-13 Richard Henderson <rth@redhat.com>
+
+ PR tree-optimization/41377
+ * tree-eh.c (unsplit_eh): Propagate degenerate PHIs.
+ (cleanup_empty_eh_merge_phis): New change_region parameter;
+ pass it on to redirect_eh_edge_1. Update callers.
+ (cleanup_empty_eh_unsplit): Don't require an existing EH label
+ at the destination block.
+
+2009-10-13 Basile Starynkevitch <basile@starynkevitch.net>
+
+ * passes.c (register_pass): Replaced gcc_unreachable by
+ fatal_error on failure. Mentions plugins in comments & messages.
+
+2009-10-13 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/41693
+ * rtl.h (DEBUG_EXPR_TREE_DECL): Define.
+ * sched-vis.c (print_value): Use it.
+ * cselib.c (cselib_hash_rtx): Likewise.
+ * print-rtl.c (print_rtx): Likewise.
+ * cfgexpand.c (expand_debug_rtx): Likewise.
+ * var-tracking.c (vt_expand_loc_callback): Likewise.
+
+2009-10-13 Richard Guenther <rguenther@suse.de>
+
+ PR lto/41565
+ * opts.c (handle_option): Split out code to handle setting
+ the options flag var ...
+ (set_option): ... here.
+ * opts.h (set_option): Declare.
+ * lto-opts.c (register_user_option_p): Include -fexceptions
+ and all position independent code variants.
+ (handle_common_option): Remove.
+ (lto_reissue_options): Use set_option.
+
+2009-10-13 Martin Jambor <mjambor@suse.cz>
+
+ PR tree-optimization/41661
+ * ipa-prop.c (compute_complex_pass_through): Allow only operations
+ that are tcc_comparisons or do not change the type in any
+ un-usleless way.
+ * ipa-cp.c (ipcp_lattice_from_jfunc): Request boolean type when
+ folding tcc_comparison operations.
+
+2009-10-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.c (s390_encode_section_info): Handle BLKmode
+ properly.
+
+2009-10-12 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/41343
+ PR debug/41447
+ PR debug/41264
+ PR debug/41338
+ * tree.def (DEBUG_EXPR_DECL): New.
+ * rtl.def (DEBUG_EXPR): New.
+ * gengtype.c (adjust_field_rtx_def): Handle it.
+ * tree-ssa.c (propagate_var_def_into_debug_stmts): Rename to...
+ (insert_debug_temp_for_var_def): ... this. Drop support for
+ moving. Take iterator for def stmt; insert debug stmt before it.
+ Scan early for use count and kind in debug stmts.
+ (propagate_defs_into_debug_stmts): Rename to...
+ (insert_debug_temps_for_defs): ... this. Likewise.
+ * tree.h (DEBUG_TEMP_UID): New.
+ * tree.c (next_debug_decl_uid): New.
+ (make_node_stat): Count debug decls separately.
+ (copy_node_stat): Likewise.
+ * cfgexpand.c (expand_debug_expr): Handle DEBUG_EXPR_DECL.
+ * var-tracking.c (dv_is_decl_p): Recognize it.
+ (VALUE_RECURSED_INTO): Apply to DEBUG_EXPRs too.
+ (track_expr_p): Track expanded DEBUG_EXPR_DECLs.
+ (vt_expand_loc_callback): Expand DEBUG_EXPRs.
+ (emit_note_insn_var_location): Don't emit notes for DEBUG_EXPR_DECLs.
+ * cselib.c (rtx_equal_for_cselib_p): Handle DEBUG_EXPR.
+ (cselib_hash_rtx): Likewise.
+ (cselib_expand_value_rtx_1): Use callback for DEBUG_EXPR.
+ * tree-ssa-operands.c (get_expr_operands): Skip DEBUG_EXPR_DECLs in
+ debug bind stmts.
+ * emit-rtl.c (verify_rtx_sharing): Handle DEBUG_EXPR and VALUE.
+ (copy_rtx_if_shared_1, reset_used_flags, set_used_flags): Likewise.
+ * rtl.c (copy_rtx): Likewise.
+ (rtx_equal_p_cb, rtx_equal_p): Handle DEBUG_EXPR.
+ * print-rtl.c (print_rtx): Likewise.
+ * sched-vis.c (print_value): Likewise.
+ (print_insn): Handle DEBUG_EXPR_DECL.
+ * tree-dump.c (dequeue_and_dump): Likewise.
+ * tree-pretty-print.c (dump_decl_name, dump_generic_node): Likewise.
+ * gimple-iterator (gsi_replace): Check for same lhs.
+ (gsi_remove): Insert debug temps.
+ * tree-ssa-loop-im.c (rewrite_reciprocal): Replace with same lhs.
+ (move_computations_stmt): Drop explicit propagation into debug stmts.
+ (rewrite_bittest): Likewise. Use gsi_remove for propagation.
+ * tree-ssa-reassoc.c (rewrite_expr_tree, linearize_expr): Likewise.
+ * tree-ssa-sink.c (statement_sink_location): Likewise.
+ * tree-ssa-forwprop (forward_propagate_addr_expr): Likewise.
+ * tree-ssanames.c (release_ssa_name): Adjust for rename.
+ * tree-flow.h: Likewise.
+ * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Don't mark
+ debug temps without values.
+ (eliminate_unnecessary_stmts): Don't discard just-inserted
+ debug stmts.
+
+2009-10-12 Hans-Peter Nilsson <hp@axis.com>
+
+ PR target/26515
+ * config/cris/cris.md (andu): Check that operand 1 is one of the
+ general registers. Fix typo in head comment.
+
+2009-10-12 Stefan Dösinger <stefan@codeweavers.com>
+
+ * config/i386/i386.md (vswapmov): New.
+ * config/i386/i386.c (ix86_handle_fndecl_attribute): New.
+ (ix86_function_ms_hook_prologue): New.
+ (ix86_expand_prologue): Handle ms_hook_prologue attribute.
+ * configure.ac: Test for swap suffix support in as.
+ * configure: Rebuild.
+
+2009-10-12 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/41680
+ * config/i386/i386.md (split after *testqi_ext_3_rex64): Only narrow
+ paradoxical subregs to prevent partial register stalls if the inner
+ mode is integer mode.
+
+2009-10-12 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (*setcc_<mode>_2): Remove insn pattern.
+
+2009-10-12 Dodji Seketeli <dodji@redhat.com>
+
+ PR c++/41570
+ * gcc/dwarf2out.c (template_parameter_pack_die,
+ gen_formal_parameter_pack_die): Use add_name_and_src_coords_attributes.
+
+2009-10-12 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/41616
+ * tree-into-ssa.c (insert_phi_nodes_for): Build debug bind stmts
+ on updates too.
+ (maybe_register_def): Likewise. Take stmt iterator.
+ (rewrite_update_stmt): Take stmt iterator and pass it on.
+ (rewrite_update_enter_block): Pass stmt iterator.
+
+2009-10-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ * config/spu/spu.c (TARGET_BUILTIN_DECL): Define.
+ (spu_builtin_decl): New function.
+
+2009-10-12 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (SWIM): New mode iterator.
+ (mov<mode>cc): Macroize expander from mov{qi,hi,si,di}cc patterns
+ using SWIM mode iterator.
+ (x86_mov<mode>cc_0_m1): Macroize insn from x86_mov{si,di}cc_0_m1
+ patterns using SWI48 mode iterator.
+ (*x86_mov<mode>cc_0_m1_se): Macroize insn from
+ *x86_mov{si,di}cc_0_m1_se patterns using SWI48 mode iterator.
+ (*x86_mov<mode>cc_0_m1_neg): New insn pattern.
+ (*mov<mode>cc_noc): Macroize insn from *mov{hi,si,di}cc_noc
+ patterns using SWI248 mode iterator.
+ * config/i386/i386.c (ix86_expand_int_movcc): Update the call to
+ gen_x86_movdicc_0_m1_rex64 for renamed function
+
+2009-10-11 Jose Ruiz <ruiz@adacore.com>
+ Eric Botcazou <ebotcazou@adacore.com>
+
+ PR target/33743
+ * config/sparc/sol2.h (MD_UNWIND_SUPPORT): Define.
+ * config/sparc/sol2-unwind.h: New file.
+
+2009-10-11 Olivier Hainque <hainque@adacore.com>
+ Eric Botcazou <ebotcazou@adacore.com>
+
+ PR target/33743
+ * config/i386/sol2.h (MD_UNWIND_SUPPORT): Define.
+ * config/i386/sol2-unwind.h: New file.
+
+2009-10-11 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/41665
+ * config/i386/i386.md (addsi_1_zext): Get the proper second
+ operand for lea.
+
+2009-10-11 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * simplify-rtx.c (simplify_replace_rtx): Use rtx_equal_p for
+ all OLD_RTXes, not just REGs. Use copy_rtx to create the
+ replacement value.
+
+2009-10-11 Richard Guenther <rguenther@suse.de>
+
+ * gimple.c (iterative_hash_type_name): Do not handle special
+ anonymous names.
+
+2009-10-11 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (*setcc_di_1): New insn_and_split pattern.
+ (*setcc_si_1_and): Ditto.
+ (*setcc_si_1_movzbl): Ditto.
+ (*setcc_<mode>_2): Ditto.
+ (*setcc_qi): Rename from *setcc_1.
+ (*setcc_qi_slp): Rename from *setcc_2.
+
+ (*zero_extendqihi2_movzbw_and splitter): Use ix86_expand_clear.
+ (*zero_extendqisi2_movzbw_and splitter): Ditto.
+
+ * config/i386/i386.c (ix86_expand_clear): Remove reload_completed from
+ "if" condition, there is already assert with reload_completed present.
+
+2009-10-11 Gerald Pfeifer <gerald@pfeifer.com>
+
+ * plugin.c (try_init_one_plugin): Improve constness of variable err.
+
+2009-10-10 Gerald Pfeifer <gerald@pfeifer.com>
+
+ * doc/install.texi (Final install): Refer to
+ http://gcc.gnu.org/bugs/ for bug reporting.
+
+2009-10-10 Peter Bergner <bergner@vnet.ibm.com>
+
+ * configure.ac: Add test for dci instruction.
+ * configure: Regenerate.
+ * config.in: Likewise.
+ * config.gcc: Handle --with-cpu=476 and --with-cpu=476fp.
+ * doc/invoke.texi: Add cpu_type 476 and 476fp.
+ (-mmulhw): Add 476 to description.
+ (-mdlmzb): Likewise.
+ * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=476.
+ * config/rs6000/rs6000.c (processor_costs): Add ppc476_cost.
+ (processor_target_table): Add 476 and 476fp entries.
+ (rs6000_override_options): Use ppc476_cost for PROCESSOR_PPC476.
+ (rs6000_issue_rate): Add CPU_PPC476.
+ * config/rs6000/rs6000.h (ASM_CPU_476_SPEC): Define.
+ (ASM_CPU_SPEC): Pass %(asm_cpu_476) for -mcpu=476 and -mcpu=476fp.
+ (processor_type): Add PROCESSOR_PPC476.
+ (EXTRA_SPECS): Add asm_cpu_476 string.
+ * config/rs6000/rs6000.md: (define_attr "type"): Add isel attribute.
+ (define_attr "cpu"): Add ppc476.
+ Include 476.md.
+ Update comments for 476.
+ (isel_signed, isel_unsigned): Change to use "isel" type attribute.
+ * config/rs6000/vxworks.h (CPP_SPEC): Handle 464 and 476.
+ Update copyright year.
+ * config/rs6000/476.md: New file.
+ * config/rs6000/40x.md: Add description for "isel" attribute.
+ Update copyright year.
+ * config/rs6000/440.md: Likewise.
+ * config/rs6000/603.md: Likewise.
+ * config/rs6000/6xx.md: Likewise.
+ * config/rs6000/7450.md: Likewise.
+ * config/rs6000/7xx.md: Likewise.
+ * config/rs6000/8540.md: Likewise.
+ * config/rs6000/cell.md: Likewise.
+ * config/rs6000/e300c2c3.md: Likewise.
+ * config/rs6000/e500mc.md: Likewise.
+ * config/rs6000/mpc.md: Likewise.
+ * config/rs6000/power4.md: Likewise.
+ * config/rs6000/power5.md: Likewise.
+ * config/rs6000/power6.md: Likewise.
+ * config/rs6000/power7.md: Likewise.
+ * config/rs6000/rios1.md: Likewise.
+ * config/rs6000/rios2.md: Likewise.
+ * config/rs6000/rs64.md: Likewise.
+
+2009-10-10 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/41654
+ * tree-ssa-ifcombine.c (ifcombine_ifandif): Properly canonicalize
+ a cond expr before calling gimple_cond_set_condition_from_tree.
+ (ifcombine_iforif): Likewise.
+
+2009-10-09 Ian Lance Taylor <iant@google.com>
+
+ * configure.ac: Use AC_SEARCH_LIBS to find dlopen.
+ * configure: Rebuild.
+
+2009-10-09 Neil Vachharajani <nvachhar@google.com>
+
+ * doc/cpp.texi (Other Directives): Do not list #ident and #sccs as
+ deprecated.
+
+2009-10-09 Richard Guenther <rguenther@suse.de>
+
+ PR lto/41638
+ * target-def.h (TARGET_BUILTIN_DECL): Define.
+ (TARGET_INITIALIZER): Add TARGET_BUILTIN_DECL.
+ * target.h (struct gcc_target): Add builtin_decl target hook.
+ * doc/tm.texi (TARGET_BUILTIN_DECL): Document.
+ * lto-streamer-in.c (lto_get_builtin_tree): Fix handling of
+ target builtins.
+ * lto-streamer-out.c (lto_output_tree_pointers): Use sorry,
+ not gcc_unreachable.
+ (lto_output_builtin_tree): Sorry if the target does not support
+ streaming target builtins.
+ * config/rs6000/rs6000.c (TARGET_BUILTIN_DECL): Define.
+ (rs6000_builtin_decl): New function.
+ * config/i386/i386.c (TARGET_BUILTIN_DECL): Define.
+ (ix86_builtin_decl): New function.
+
+2009-10-09 Jakub Jelinek <jakub@redhat.com>
+
+ PR preprocessor/41445
+ * c-ppoutput.c (do_line_change): New function.
+ (cb_line_change): Use it.
+ (scan_translation_unit): Call do_line_change if
+ avoid_paste or PREV_WHITE and token location is on a different line
+ than print.src_line.
+
+ PR debug/40521
+ * dwarf2out.c (dwarf2out_init): Test whether
+ HAVE_GAS_CFI_SECTIONS_DIRECTIVE is non-zero instead of checking
+ it is defined.
+
+ PR rtl-optimization/41646
+ * calls.c (expand_call): For BLKmode types returned in registers
+ avoid likely spilled hard regs in copy_blkmode_from_reg generated
+ insns.
+
+2009-10-09 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/41634
+ * tree-ssa-dom.c (remove_local_expressions_from_table): Assert
+ we remove the correct elements.
+ (optimize_stmt): Make sure to update stmt operands before
+ optimizing redundancies.
+
+2009-10-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.md ("prefetch"): Remove stcmh for prefetching.
+
+2009-10-09 Richard Guenther <rguenther@suse.de>
+
+ PR driver/41637
+ * lto-wrapper.c (ltrans_output_file, flto_out, args_name): New
+ globals.
+ (lto_wrapper_exit): New function.
+ (fatal): Use it.
+ (fatal_perror): Likewise.
+ (fork_execute): Use global args_name, do not free it.
+ (run_gcc): Use global ltrans_output_file, flto_out, do not free them.
+ * lto-streamer.h: Remove duplicate prototypes.
+
+2009-10-09 Richard Guenther <rguenther@suse.de>
+
+ * cgraph.c (cgraph_create_edge): Check for NULL call_stmt
+ before calling stmt_can_throw_external.
+
2009-10-09 Eric Botcazou <ebotcazou@adacore.com>
PR tree-optimization/40071
* debug.c (do_nothing_debug_hooks): Add dummy entries for new hooks.
(debug_nothing_uid): New function.
* dbxout.c (dbx_debug_hooks): Add dummy entries for new hooks.
+ (xcoff_debug_hooks): Likewise.
* sdbout.c (sdb_debug_hooks): Likewise.
* vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
* doc/invoke.texi (-fenable-icf-debug): New option.
patterns using plusminus code iterator.
(<plusminus_insn><mode>3): Macroize expander from add<mode>3 and
sub<mode>3 patterns using plusminus code iterator.
- * config/i386/i386.c (override_options): Update call to
+ * config/i386/i386.c (override_options): Update the call to
gen_subdi_carry_rex64 for renamed function.
(ix86_expand_int_addcc): Update calls to gen_subdi3_carry_rex64
and gen_adddi3_carry_rex64 for renamed functions. Use indirect
pressure.
2009-09-29 Basile Starynkevitch <basile@starynkevitch.net>
- Rafael Avila de Espindola <espindola@google.com>
+ Rafael Avila de Espindola <espindola@google.com>
* gengtype.c (plugin_output): New.
(get_output_file_with_visibility): Return plugin_output for plugins.
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