PR other/79046

[thirdparty/gcc.git] / gcc / ChangeLog

2017-01-17  Jakub Jelinek  <jakub@redhat.com>

        PR other/79046
        * configure.ac: Add GCC_BASE_VER.
        * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
        version from BASE-VER file.
        (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
        (gcc.o): Depend on $(BASEVER).
        * common.opt (dumpfullversion): New option.
        * gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
        * doc/invoke.texi: Document -dumpfullversion.
        * doc/install.texi: Document --with-gcc-major-version-only.
        * configure: Regenerated.

2017-01-17  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/71433
        * tree-vrp.c (register_new_assert_for): Merge same asserts
        on all incoming edges.
        (process_assert_insertions_for): Handle insertions at the
        beginning of BBs.

2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>

        * config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
        * config/i386/mingw32.h (LIBGCJ_SONAME): Remove.

2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/78633
        * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
        RTL sharing.

2017-01-17  Alan Modra  <amodra@gmail.com>

        PR target/79066
        * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
        * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
        symbolic stack limit when pic.

2017-01-16  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/78608
        * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.

2017-01-16  Jeff Law  <law@redhat.com>

        Revert:
        2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
        * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
        for several include directories that may be relative to sysroot.
        * config/i386/x-mingw32 (gplus_includedir): Define.
        (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
        (native_system_includedir): Likewise.
        * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
        override if TARGET_SYSTEM_ROOT is defined.
        (NATIVE_SYSTEM_HEADER_DIR): Likewise.

        PR tree-optimization/79090
        PR tree-optimization/33562
        PR tree-optimization/61912
        PR tree-optimization/77485
        * tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
        and computed trims into the dump file.

2017-01-17  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.

2017-01-16  Jakub Jelinek  <jakub@redhat.com>

        PR c/79089
        * gimplify.c (gimplify_init_constructor): If want_value and
        object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
        fix.

        PR target/79080
        * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
        sequence.  Formatting fixes.
        (doloop_optimize): Formatting fixes.

        PR driver/49726
        * gcc.c (debug_level_greater_than_spec_func): New function.
        (static_spec_functions): Add debug-level-gt spec function.
        (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
        !g0.
        * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
        * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
        * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
        gpubnames, ggnu-pubnames, gno-record-gcc-switches,
        grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
        gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.

2017-01-16  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
        QImode fixups to general and mask registers only.

2017-01-16  Carl Love  <cel@us.ibm.com>

        * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
        for built-in functions
        vector signed char vec_nabs (vector signed char)
        vector signed short vec_nabs (vector signed short)
        vector signed int vec_nabs (vector signed int)
        vector signed long long vec_nabs (vector signed long long)
        vector float vec_nabs (vector float)
        vector double vec_nabs (vector double)
        * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
        and NABS overload.
        * config/rs6000/altivec.md: New define_expand nabs<mode>2 types
        * config/rs6000/altivec.h: New define for vec_nabs built-in function.
        * doc/extend.texi: Update the documentation file for the new built-in
        functions.

2017-01-16  Martin Sebor  <msebor@redhat.com>

        * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
        message.

2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
        UNSPEC_VSX__XXSPLTD to require special splat handling.

2017-01-16  David Malcolm  <dmalcolm@redhat.com>

        PR bootstrap/78616
        * system.h: Poison strndup.

2017-01-16  Alan Modra  <amodra@gmail.com>

        PR target/79098
        * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
        use a switch.

2017-01-16  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.

2017-01-15  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_legitimate_combined_insn): Do not
        call recog here.  Assert that INSN_CODE (insn) is non-negative.

2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/72749
        * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
        fallthrough.
        * haifa-sched.c (dump_insn_stream): Don't crash if there is a label
        in the currently scheduled RTL fragment.

2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/78751
        * ifcvt.c (find_cond_trap): If we generated a non-existing insn,
        give up.

2017-01-14  Jeff Law  <law@redhat.com>

        PR tree-optimization/79090
        * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
        variable length stores.
        (compute_trims): Delete dead assignment to *trim_tail.
        (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
        zero length.

2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>

        PR rtl-optimization/78626
        PR rtl-optimization/78727
        * cprop.c (one_cprop_pass): Collect unconditional traps in the middle
        of a block, and split such blocks after everything else is finished.

2017-01-14  Alan Modra  <amodra@gmail.com>

        PR target/72749
        * combine.c (recog_for_combine_1): Set INSN_CODE before calling
        target legitimate_combined_insn.
        * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
        (rs6000_legitimate_combined_insn): New function.
        * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
        all uses.
        (ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
        (ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
        (ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.

2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/frontends.texi (G++ and GCC): Remove references to Java.

2017-01-13  Jeff Law  <law@redhat.com>

        PR tree-optimization/33562
        PR tree-optimization/61912
        PR tree-optimization/77485
        * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
        a statement.
        (delete_dead_assignment): Likewise.
        (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
        statement to delete_dead_call and delete_dead_assignment.

2017-01-13  David Malcolm  <dmalcolm@redhat.com>

        PR c/78304
        * substring-locations.c (format_warning_va): Strengthen case 1 so
        that both endpoints of the substring must be within the format
        range for just the substring to be printed.

2017-01-13  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
        * config/i386/i386.c (ix86_target_string): Add missing options
        to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
        isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
        flags_other and ix86_target_other to flags2_other.  Display unknown
        isa2 options.
        (ix86_valid_target_attribute_inner_p): Add missing options and
        reorder options by implied ISAs, as in ix86_target_string.

2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>

        * hash-table.h (hash_table::too_empty_p): New function.
        (hash_table::expand): Use it.
        (hash_table::traverse): Likewise.
        (hash_table::empty_slot): Use sizeof (value_type) instead of
        sizeof (PTR) to convert bytes to elements.  Shrink the table
        if the current size is excessive for the current number of
        elements.

2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>

        * ira-costs.c (record_reg_classes): Break from the inner loop
        early once alt_fail is known to be true.  Update outer loop
        handling accordingly.

2017-01-13  Jeff Law  <law@redhat.com>

        * tree-ssa-dse.c (decrement_count): New function.
        (increment_start_addr, maybe_trim_memstar_call): Likewise.
        (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
        when we know the partially dead statement is a mem* function.

        PR tree-optimization/61912
        PR tree-optimization/77485
        * tree-ssa-dse.c: Include expr.h.
        (maybe_trim_constructor_store): New function.
        (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.

        PR tree-optimization/33562
        PR tree-optimization/61912
        PR tree-optimization/77485
        * doc/invoke.texi: Document new dse-max-object-size param.
        * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
        * tree-ssa-dse.c: Include params.h.
        (dse_store_status): New enum.
        (initialize_ao_ref_for_dse): New, partially extracted from
        dse_optimize_stmt.
        (valid_ao_ref_for_dse, normalize_ref): New.
        (setup_live_bytes_from_ref, compute_trims): Likewise.
        (clear_bytes_written_by, maybe_trim_complex_store): Likewise.
        (maybe_trim_partially_dead_store): Likewise.
        (maybe_trim_complex_store): Likewise.
        (dse_classify_store): Renamed from dse_possibly_dead_store_p.
        Track what bytes live from the original store.  Return tri-state
        for dead, partially dead or live.
        (dse_dom_walker): Add constructor, destructor and new private members.
        (delete_dead_call, delete_dead_assignment): New extracted from
        dse_optimize_stmt.
        (dse_optimize_stmt): Make a member of dse_dom_walker.
        Use initialize_ao_ref_for_dse.

        PR tree-optimization/33562
        PR tree-optimization/61912
        PR tree-optimization/77485
        * sbitmap.h (bitmap_count_bits): Prototype.
        (bitmap_clear_range, bitmap_set_range): Likewise.
        * sbitmap.c (bitmap_clear_range): New function.
        (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.

2017-01-13  Martin Liska  <mliska@suse.cz>

        PR ipa/79043
        * function.c (set_cfun): Add new argument force.
        * function.h (set_cfun): Likewise.
        * ipa-inline-transform.c (inline_call): Use the function when
        strict alising from is dropped for function we inline to.

2017-01-13  Richard Biener  <rguenther@suse.de>

        * tree-pretty-print.c (dump_generic_node): Fix inverted condition
        for dumping GIMPLE INTEGER_CSTs.

2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
        to 201112L since C++17.

2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>

        PR sanitizer/78887
        * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
        if -fsanitize=kernel-address is present.

2017-01-13  Richard Biener  <rguenther@suse.de>

        * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
        as _Literal ( type ) number in case usual suffixes do not
        preserve all information.

2017-01-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/77283
        * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
        and ssa-iterators.h.
        (is_feasible_trace): Implement a cost model based on joiner
        PHI node uses.

2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/79004
        * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
        char or short to __float128/_Float128 directly.

2017-01-12  Martin Sebor  <msebor@redhat.com>

        to -Wformat-overflow.
        * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
        (min_bytes_remaining): Same.
        (get_string_length): Same.
        (format_string): Same.
        (format_directive): Same.
        (add_bytes): Same.
        (pass_sprintf_length::handle_gimple_call): Same.

2017-01-12  Jakub Jelinek  <jakub@redhat.com>

        * gimple-ssa-sprintf.c (try_substitute_return_value): Remove
        info.nowrite calls with no lhs that can't throw.  Return bool
        whether gsi_remove has been called or not.
        (pass_sprintf_length::handle_gimple_call): Return bool whether
        try_substitute_return_value called gsi_remove.  Formatting fix.
        (pass_sprintf_length::execute): Don't use gsi_remove if
        handle_gimple_call returned true.

        PR bootstrap/79069
        * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
        be removed due to side-effects, don't remove following barrier nor
        turn the successor edge into fallthru edge.

2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR target/79044
        * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
        element-reversing loads and stores as not swappable.

2017-01-12  Nathan Sidwell  <nathan@acm.org>
            Nicolai Stange  <nicstange@gmail.com>

        * combine.c (try_combine): Don't ignore result of overlap checking
        loop.  Combine overlap & asm check into single loop.

2017-01-12  Richard Biener  <rguenther@suse.de>

        * tree-pretty-print.c (dump_generic_node): Provide -gimple
        variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.

2017-01-12  Richard Biener  <rguenther@suse.de>

        * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
        and TS_TARGET_OPTION directly derive from TS_BASE.
        * tree-core.h (tree_optimization_option): Derive from tree_base.
        (tree_target_option): Likewise.

2017-01-11  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (memory_address_length): Increase len
        only when rip_relative_addr_p returns false.

2017-01-11  Julia Koval  <julia.koval@intel.com>

        * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
        (OPTION_MASK_ISA_SGX_SET): New.
        (ix86_handle_option): Handle OPT_msgx.
        * config.gcc: Added sgxintrin.h.
        * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
        * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
        * config/i386/i386.c (ix86_target_string): Add -msgx.
        (PTA_SGX): New.
        (ix86_option_override_internal): Handle new options.
        (ix86_valid_target_attribute_inner_p): Add sgx.
        * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
        * config/i386/i386.opt: Add msgx.
        * config/i386/sgxintrin.h: New file.
        * config/i386/x86intrin.h: Add sgxintrin.h.

2017-01-11  Jakub Jelinek  <jakub@redhat.com>

        PR c++/71537
        * fold-const.c (maybe_nonzero_address): Return 1 for function
        local objects.
        (tree_single_nonzero_warnv_p): Don't handle function local objects
        here.

        PR c++/72813
        * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
        of c-header.

2017-01-11  David Malcolm  <dmalcolm@redhat.com>

        PR driver/78877
        * opts.c: Include "spellcheck.h"
        (struct string_fragment): New struct.
        (struct edit_distance_traits<const string_fragment &>): New
        struct.
        (get_closest_sanitizer_option): New function.
        (parse_sanitizer_options): Offer suggestions for unrecognized arguments.

2017-01-11  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
        by 12.
        (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
        DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
        (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
        (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
        for initial die_offset if dwarf_split_debug_info.
        (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
        initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
        fields.
        (output_skeleton_debug_sections): Formatting fix.  Use
        DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
        DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.

2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/arm/cortex-a53.md: Add bypasses for
        cortex_a53_r2f_cvt.
        (cortex_a53_r2f): Only use for transfers.
        (cortex_a53_f2r): Likewise.
        (cortex_a53_r2f_cvt): Add reservation for conversions.
        (cortex_a53_f2r_cvt): Likewise.

2017-01-11  Tamar Christina  <tamar.christina@arm.com>

        * config/arm/arm_neon.h: Add __artificial__ and gnu_inline
        to all inlined functions, change static to extern.

2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>

        PR target/78253
        * config/arm/arm.c (legitimize_pic_address): Handle reference to
        weak symbol.
        (arm_assemble_integer): Likewise.

2017-01-11  Richard Earnshaw  <rearnsha@arm.com>

        * config.gcc: Use new awk script to check CPU, FPU and architecture
        parameters for --with-... options.
        * config/arm/parsecpu.awk: New file
        * config/arm/arm-cpus.in: New file.
        * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
        files.
        * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
        files.
        * config/arm/t-arm: Update dependency rules.
        * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
        of processing .def files.
        * config/arm/genopt.sh: Deleted.
        * config/arm/gentune.sh: Deleted.
        * config/arm/arm-cores.def: Deleted.
        * config/arm/arm-arches.def: Deleted.
        * config/arm/arm-fpus.def: Deleted.
        * config/arm/arm-tune.md: Regenerated.
        * config/arm/arm-tables.opt: Regenerated.
        * config/arm/arm-cpu.h: New generated file.
        * config/arm/arm-cpu-data.h: New generated file.
        * config/arm/arm-cpu-cdata.h: New generated file.

2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>

        PR lto/79042
        * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
        bit.
        (input_varpool_node): Unpack dynamically_initialized bit.

2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/79032
        * lra-constraints.c (simplify_operand_subreg): In the MEM case, test
        the alignment of the adjusted memory reference against that of MODE,
        instead of the alignment of the original memory reference.

2017-01-11  Martin Jambor  <mjambor@suse.cz>

        * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
        test.
        * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
        decorated functions.

2017-01-11  Richard Biener  <rguenther@suse.de>

        * tree-vrp.c (evrp_dom_walker::before_dom_children): Also
        set range/nonnull info for PHI results.  Do not set it on
        stmts marked for removal.

2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>

        * expr.c (store_field): In the bitfield case, fetch the return value
        from the registers before applying a single big-endian adjustment.
        Always do a final load for a BLKmode value not larger than a word.

2017-01-10  David Malcolm  <dmalcolm@redhat.com>

        PR c++/77949
        * input.c (selftest::test_accessing_ordinary_linemaps): Verify
        that we correctly handle column numbers greater than
        LINE_MAP_MAX_COLUMN_NUMBER.

2017-01-10  Martin Sebor  <msebor@redhat.com>

        PR middle-end/78245
        * gimple-ssa-sprintf.c (get_destination_size): Call
        {init,fini}object_sizes.
        * tree-object-size.c (addr_object_size): Adjust.
        (pass_through_call): Adjust.
        (pass_object_sizes::execute): Adjust.
        * tree-object-size.h (fini_object_sizes): Declare.

2017-01-10  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/78775
        * builtins.c (get_size_range): Move...
        * calls.c: ...to here.
        (alloc_max_size): Accept zero argument.
        (operand_signed_p): Remove.
        (maybe_warn_alloc_args_overflow): Call get_size_range.
        * calls.h (get_size_range): Declare.

2017-01-10  Joe Seymour  <joe.s@somniumtech.com>

        * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
        from TI's devices.csv file as of September 2016.
        * config/msp430/msp430.c (msp430_mcu_data): Likewise.

2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
        * doc/invoke.texi: Likewise.
        * doc/md.texi: Likewise.
        * doc/objc.texi: Likewise.

2017-01-10  Joshua Conner  <joshconner@google.com>

        * config/arm/fuchsia-elf.h: New file.
        * config/fuchsia.h: New file.
        * config.gcc (*-*-fuchsia*): Set native_system_header_dir.
        (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
        targets.
        * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.

2016-01-10  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79034
        * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
        Propagate out degenerate PHIs in the joiner.

2017-01-10  Martin Liska  <mliska@suse.cz>

        * ipa-icf.c (sort_sem_items_by_decl_uid): New function.
        (sort_congruence_classes_by_decl_uid): Likewise.
        (sort_congruence_class_groups_by_decl_uid): Likewise.
        (sem_item_optimizer::merge_classes): Sort class, groups in these
        classes and members in the groups by DECL_UID of declarations.
        This would make merge operations stable.

2017-01-10  Martin Liska  <mliska@suse.cz>

        * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
        usage of m_classes_vec.
        (sem_item_optimizer::~sem_item_optimizer):  Likewise.
        (sem_item_optimizer::get_group_by_hash): Likewise.
        (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
        (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
        (sem_item_optimizer::verify_classes): Likewise.
        (sem_item_optimizer::process_cong_reduction): Likewise.
        (sem_item_optimizer::dump_cong_classes): Likewise.
        (sem_item_optimizer::merge_classes): Likewise.
        * ipa-icf.h (congruence_class_hash): Rename from
        congruence_class_group_hash.  Remove declaration of m_classes_vec.

2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>

        * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
        OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
        * config.gcc: Add avx512vpopcntdqintrin.h.
        * config/i386/avx512vpopcntdqintrin.h: New.
        * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
        * config/i386/i386-builtin-types.def: Add new types.
        * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
        __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
        __builtin_ia32_vpopcountq_v8di_mask): New.
        * config/i386/i386-c.c (ix86_target_macros_internal): Define
        __AVX512VPOPCNTDQ__.
        * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
        (PTA_AVX512VPOPCNTDQ): Define.
        * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
        TARGET_AVX512VPOPCNTDQ_P): Define.
        * config/i386/i386.opt: Add mavx512vpopcntdq.
        * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
        * config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.

2017-01-01  Jan Hubicka  <hubicka@ucw.cz>

        PR middle-end/77484
        * predict.def (PRED_CALL): Set to 67.

2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>

        * expr.c (store_field): In the bitfield case, if the value comes from
        a function call and is of an aggregate type returned in registers, do
        not modify the field mode; extract the value in all cases if the mode
        is BLKmode and the size is not larger than a word.

2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>

        PR target/71017
        * config/i386/cpuid.h: Fix undefined behavior.

2017-01-04  Jeff Law  <law@redhat.com>

        PR tree-optimization/79007
        PR tree-optimization/67955
        * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
        conservative for pt.null when flag_non_call_exceptions is on.

2017-01-09  Jakub Jelinek  <jakub@redhat.com>

        PR translation/79019
        PR translation/79020
        * params.def (PARAM_INLINE_MIN_SPEEDUP,
        PARAM_IPA_CP_SINGLE_CALL_PENALTY,
        PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
        in descriptions.
        * config/avr/avr.opt (maccumulate-args): Likewise.
        * config/msp430/msp430.opt (mwarn-mcu): Likewise.
        * common.opt (freport-bug): Likewise.
        * cif-code.def (CIF_FINAL_ERROR): Likewise.
        * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
        * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
        translatable string.
        * config/i386/i386.c (function_value_32): Likewise.
        * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
        * config/msp430/msp430.c (msp430_option_override, msp430_attr):
        Likewise.
        * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
        * common/config/msp430/msp430-common.c (msp430_handle_option):
        Likewise.
        * symtab.c (symtab_node::verify_base): Likewise.
        * opts.c (set_debug_level): Likewise.
        * tree.c (verify_type_variant): Likewise.  Fix typo in comment.
        * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
        missing whitespace to translatable strings.
        * config/avr/avr.md (bswapsi2): Fix typo in comment.
        * config/sh/superh.h: Likewise.
        * config/i386/xopintrin.h: Likewise.
        * config/i386/znver1.md: Likewise.
        * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
        * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
        * double-int.h (struct double_int): Likewise.
        * double-int.c (div_and_round_double): Likewise.
        * wide-int.cc: Likewise.
        * tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
        * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
        * cfgcleanup.c (crossjumps_occured): Renamed to ...
        (crossjumps_occurred): ... this.
        (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
        Adjust all uses.

        PR tree-optimization/78899
        * tree-if-conv.c (version_loop_for_if_conversion): Instead of
        returning bool return struct loop *, NULL for failure and the new
        loop on success.
        (versionable_outer_loop_p): Don't version outer loop if it has
        dont_vectorized bit set.
        (tree_if_conversion): When versioning outer loop, ensure
        tree_if_conversion is performed also on the inner loop of the
        non-vectorizable outer loop copy.
        * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
        LOOP_VECTORIZED in inner loop of the scalar outer loop and
        prevent vectorization of it.
        (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
        the outer loop vectorization of the non-scalar version is attempted
        before vectorization of the inner loop in scalar version.  If
        outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
        vectorization of its inner loop.
        * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
        has 2 inner loops, rename also on edges from bb whose single pred
        is outer_loop->header.  Fix typo in function comment.

2017-01-09  Martin Sebor  <msebor@redhat.com>

        PR bootstrap/79033
        * asan.c (asan_emit_stack_protection): Increase local buffer size
        to avoid snprintf truncation warning.

2017-01-09  Andrew Pinski  <apinski@cavium.com>

        * config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
        to reference thunderx2t99 for the tuning structure
        * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
        Rename to ...
        (thunderx2t99_extra_costs): This.
        * config/aarch64/aarch64-tune.md: Regenerate.
        * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
        (vulcan_addrcost_table): This.
        (vulcan_regmove_cost): Rename to ...
        (thunderx2t99_regmove_cost): This.
        (vulcan_vector_cost): Rename to ...
        (thunderx2t99_vector_cost): this.
        (vulcan_branch_cost): Rename to ...
        (thunderx2t99_branch_cost): This.
        (vulcan_tunings): Rename to ...
        (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
        * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.

2017-01-09  Martin Jambor  <mjambor@suse.cz>

        PR ipa/78365
        PR ipa/78599
        * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
        * ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
        (propagate_vr_accross_jump_function): Use the above function for all
        value range computations for pass-through jump functions and type
        converasion from explicit value range values.
        (ipcp_propagate_stage): Do not attempt to deduce types of formal
        parameters from TYPE_ARG_TYPES.
        * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
        (ipa_write_node_info): Stream type of the actual argument.
        (ipa_read_node_info): Likewise. Also remove trailing whitespace.

2017-01-09  Martin Liska  <mliska@suse.cz>

        PR pch/78970
        * gcc.c (driver_handle_option): Handle OPT_E and set have_E.
        (lookup_compiler): Do not show error message with have_E.

2017-01-09  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/78938
        * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
        where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
        BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
        {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
        fixes.

2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
        is const0_rtx.

2017-01-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/78997
        * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
        name condition properly.

2017-01-09  Richard Biener  <rguenther@suse.de>

        PR debug/79000
        * dwarf2out.c (is_cxx): New overload with context.
        (is_naming_typedef_decl): Use it.

2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>

        * invoke.texi (Option Summary): Correct spacing in option lists
        and add line breaks to fix over-long lines.

2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>

        PR middle-end/17660

        * extend.texi (Common Variable Attributes): Add xref to GCC
        Internals manual to explain mode attribute keywords.

2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>

        PR other/16519
        * doc/invoke.texi (Option Summary): Move -pthread to Linker Options
        and Preprocessor Options.
        (Options for Linking): Document -pthread here....
        (RS/6000 and PowerPC Options): ...not here.
        (Solaris 2 Options): ...or here.
        * doc/cppopts.texi: Document -pthread.

2017-01-08  Martin Sebor  <msebor@redhat.com>

        PR middle-end/77708
        * doc/invoke.texi (Warning Options): Document -Wformat-truncation.
        * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
        New member functions.
        (format_directive): Used them.
        (add_bytes): Same.
        (pass_sprintf_length::handle_gimple_call): Same.
        * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
        to avoid truncation for any argument.
        (extract_affine_mul): Same.
        * tree.c (get_file_function_name): Same.

2017-01-01  Jan Hubicka  <hubicka@ucw.cz>

        PR middle-end/77484
        * predict.def (PRED_INDIR_CALL): Set to 86.

2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>

        PR preprocessor/54124
        * doc/cppopts.texi: Reformat -d subtable to list the full name
        of the options.  Add cross-reference to the docs for the general
        compiler -d options.
        * doc/invoke.texi (Developer Options): Add cross-reference to the
        preprocessor-specific -d option documentation.

2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>

        PR preprocessor/13498
        * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
        redudant material, and reflect new command-line options.
        (System Headers): Likewise.

2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
        -isystem, and -idirafter.  Copy-edit.
        * doc/cppopts.texi: Copy-edit.  Remove contradiction about
        default for -ftrack-macro-expansion.  Delete obsolete and
        badly-formatted implementation details about -fdebug-cpp output.
        * doc/cppwarnopts.texi: Copy-edit.

2017-01-07  David Malcolm  <dmalcolm@redhat.com>

        PR c++/72803
        * input.c (selftest::test_accessing_ordinary_linemaps): Verify
        that the transition from a max line width >= 1<<10 to narrower
        lines works correctly.

2017-01-07  Alexandre Oliva <aoliva@redhat.com>

        * doc/options.texi (PerFunction): New.
        * opt-functions.awk (switch_flags): Map both Optimization and
        PerFunction to CL_OPTIMIZATION.
        * opth-gen.awk: Test for PerFunction flag along with
        Optimization.
        * optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
        it only when the latter is present.  Skip those that don't in
        the hash function generator.
        * common.opt (fvar-tracking): Mark as PerFunction instead of
        Optimization.
        (fvar-tracking-assignments): Likewise.
        (fvar-tracking-assignments-toggle): Likewise.
        (fvar-tracking-uninit): Likewise.

2017-01-07  Jakub Jelinek  <jakub@redhat.com>

        PR translation/79018
        * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
        the and store.

2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>

        PR target/57583
        * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
        * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
        TARGET_LONG_JUMP_TABLE_OFFSETS.
        * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
        * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
        * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
        (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
        * config/m68k/m68k.md (tablejump expander): Likewise.
        (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
        TARGET_LONG_JUMP_TABLE_OFFSETS.
        (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
        * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.

2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
            David Holsgrove <david.holsgrove@xilinx.com>

        * common/config/microblaze/microblaze-common.c
        (TARGET_EXCEPT_UNWIND_INFO): Remove.
        * config/microblaze/microblaze-protos.h (microblaze_eh_return):
        New prototype.
        * config/microblaze/microblaze.c (microblaze_must_save_register)
        (microblaze_expand_epilogue, microblaze_return_addr): Handle
        calls_eh_return.
        (microblaze_eh_return): New function.
        * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
        (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
        (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
        * config/microblaze/microblaze.md (eh_return): New pattern.

2017-01-06  Jakub Jelinek  <jakub@redhat.com>

        * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
        GCC_DIAGNOSTIC_STRINGIFY): Define.

        * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.

2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm.md (<mcrr>): New.
        (<mrrc>): New.
        * config/arm/arm.c (arm_arch5te): New.
        (arm_option_override): Set arm_arch5te.
        (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
        and mrrc2.
        * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
        (arm_mcrr_qualifiers): ... this. New.
        (MRRC_QUALIFIERS): Define to...
        (arm_mrrc_qualifiers): ... this. New.
        * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
        __arm_mrrc2): New.
        * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
        * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
        (MRRCI, mrrc, MRRC): New.
        * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
        VUNSPEC_MRRC2): New.

2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm.md (<mcr>): New.
        (<mrc>): New.
        * config/arm/arm.c (arm_coproc_builtin_available): Add
        support for mcr, mrc, mcr2 and mrc2.
        * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
        (arm_mcr_qualifiers): ... this. New.
        (MRC_QUALIFIERS): Define to ...
        (arm_mrc_qualifiers): ... this. New.
        (MCR_QUALIFIERS): Define to ...
        (arm_mcr_qualifiers): ... this. New.
        * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
        __arm_mrc2): New.
        * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
        * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
        * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
        VUNSPEC_MRC2): New.

2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm.md (*ldc): New.
        (*stc): New.
        (<ldc>): New.
        (<stc>): New.
        * config/arm/arm.c (arm_coproc_builtin_available): Add
        support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
        (arm_coproc_ldc_stc_legitimate_address): New.
        * config/arm/arm-builtins.c (arm_type_qualifiers): Add
        'qualifier_const_pointer'.
        (LDC_QUALIFIERS): Define to...
        (arm_ldc_qualifiers): ... this. New.
        (STC_QUALIFIERS): Define to...
        (arm_stc_qualifiers): ... this. New.
        * config/arm/arm-protos.h
        (arm_coproc_ldc_stc_legitimate_address): New.
        * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
        __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
        * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
        stc2, stcl, stc2l): New.
        * config/arm/constraints.md (Uz): New.
        * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
        * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
        VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
        VUNSPEC_STC2L): New.

2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm.md (<cdp>): New.
        * config/arm/arm.c (neon_const_bounds): Rename this ...
        (arm_const_bounds): ... this.
        (arm_coproc_builtin_available): New.
        * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
        (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
        (CDP_QUALIFIERS): Define to...
        (arm_cdp_qualifiers): ... this. New.
        (void_UP): Define.
        (arm_expand_builtin_args): Add case for 6 arguments.
        * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
        (arm_const_bounds): ... this.
        (arm_coproc_builtin_available): New.
        * config/arm/arm_acle.h (__arm_cdp): New.
        (__arm_cdp2): New.
        * config/arm/arm_acle_builtins.def (cdp): New.
        (cdp2): New.
        * config/arm/iterators.md (CDPI,CDP,cdp): New.
        * config/arm/neon.md: Rename all 'neon_const_bounds' to
        'arm_const_bounds'.
        * config/arm/types.md (coproc): New.
        * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
        * gcc/doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
        * gcc/doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
        arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.

2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
        (UBINOP_QUALIFIERS): New.
        (si_UP): Define.
        (acle_builtin_data): New. Change comment.
        (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
        ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
        ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
        arm_acle_builtins.def.
        (ARM_BUILTIN_ACLE_PATTERN_START): Define.
        (arm_init_acle_builtins): New.
        (CRC32_BUILTIN): Remove.
        (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
        crc32cb, crc32ch and crc32cw.
        (arm_init_crc32_builtins): Remove.
        (arm_init_builtins): Use arm_init_acle_builtins rather
        than arm_init_crc32_builtins.
        (arm_expand_acle_builtin): New.
        (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
        * config/arm/arm_acle_builtins.def: New.

2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
        (arm_builtin_datum): ... this.
        (arm_init_neon_builtin): Rename to ...
        (arm_init_builtin): ... this. Add a new parameters PREFIX
        and USE_SIG_IN_NAME.
        (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
        'arm_init_builtin'. Replace type 'neon_builtin_datum' with
        'arm_builtin_datum'.
        (arm_init_vfp_builtins): Likewise.
        (builtin_arg): Rename enum's replacing 'NEON_ARG' with
        'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
        (arm_expand_neon_args): Rename to ...
        (arm_expand_builtin_args): ... this. Rename builtin_arg
        enum values and differentiate between ARG_BUILTIN_MEMORY
        and ARG_BUILTIN_NEON_MEMORY.
        (arm_expand_neon_builtin_1): Rename to ...
        (arm_expand_builtin_1): ... this. Rename builtin_arg enum
        values, arm_expand_builtin_args and add bool parameter NEON.
        (arm_expand_neon_builtin): Use arm_expand_builtin_1.
        (arm_expand_vfp_builtin): Likewise.
        (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.

2017-01-01  Jan Hubicka  <hubicka@ucw.cz>

        PR middle-end/77484
        * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
        * predict.c (tree_estimate_probability_bb): Reverse direction of
        polymorphic call predictor.

2017-01-06  David Malcolm  <dmalcolm@redhat.com>

        * passes.c (execute_one_pass): Split out pass-skipping logic into...
        (determine_pass_name_match): ...this new function and...
        (should_skip_pass_p): ...this new function.

2017-01-06  Nathan Sidwell  <nathan@acm.org>

        * ipa-visibility.c (function_and_variable_visibility): Reformat
        comments and long lines.  Remove extrneous if.
        * symtab.c (symtab_node::make_decl_local): Fix code format.
        (symtab_node::set_section_for_node): Fix comment typo.

2017-01-06  Martin Liska  <mliska@suse.cz>

        PR bootstrap/79003
        * lra-constraints.c: Rename invariant to lra_invariant.
        * predict.c (set_even_probabilities): Initialize e to NULL.

2017-01-05  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/78910
        * gimple-ssa-sprintf.c (tree_digits): Add an argument.
        (format_integer): Correct off-by-one error in the handling
        of precision with negative numbers in signed conversions..

2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>

        * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.

2017-01-05  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/71016
        * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
        factor_out_conditional_conversion.  Formatting fix.
        (factor_out_conditional_conversion): Add cond_stmt argument.
        If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
        cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
        Formatting fix.

2017-01-05  David Malcolm  <dmalcolm@redhat.com>

        * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
        read-rtl-function.o, and selftest-rtl.o.
        * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
        (selftest::aarch64_test_loading_full_dump): New function.
        (selftest::aarch64_run_selftests): New function.
        (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
        selftest::aarch64_run_selftests.
        * config/i386/i386.c
        (selftest::ix86_test_loading_dump_fragment_1): New function.
        (selftest::ix86_test_loading_call_insn): New function.
        (selftest::ix86_test_loading_full_dump): New function.
        (selftest::ix86_test_loading_unspec): New function.
        (selftest::ix86_run_selftests): Call the new functions.
        * emit-rtl.c (maybe_set_max_label_num): New function.
        * emit-rtl.h (maybe_set_max_label_num): New decl.
        * function.c (instantiate_decls): Guard call to
        instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
        * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
        "static".
        * gensupport.c (gen_reader::gen_reader): Pass "false"
        for new "compact" param of rtx_reader.
        * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
        rather than an empty string for NULL strings.
        * read-md.c: Potentially include config.h rather than bconfig.h.
        Wrap include of errors.h with #ifdef GENERATOR_FILE.
        (have_error): New global, copied from errors.c.
        (md_reader::read_name): Rename to...
        (md_reader::read_name_1): ...this, adding "out_loc" param,
        and converting "missing name or number" to returning false, rather
        than failing.
        (md_reader::read_name): Reimplement in terms of read_name_1.
        (md_reader::read_name_or_nil): New function.
        (md_reader::read_string): Handle "(nil)" by returning NULL.
        (md_reader::md_reader): Add new param "compact".
        (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
        (md_reader::read_file): New method.
        * read-md.h (md_reader::md_reader): Add new param "compact".
        (md_reader::read_file): New method.
        (md_reader::is_compact): New accessor.
        (md_reader::read_name): Convert return type from void to file_location.
        (md_reader::read_name_or_nil): New decl.
        (md_reader::read_name_1): New decl.
        (md_reader::m_compact): New field.
        (noop_reader::noop_reader): Pass "false" for new "compact" param
        of rtx_reader.
        (rtx_reader::rtx_reader): Add new "compact" param.
        (rtx_reader::read_rtx_operand): Make virtual and convert return
        type from void to rtx.
        (rtx_reader::read_until): New decl.
        (rtx_reader::handle_any_trailing_information): New virtual function.
        (rtx_reader::postprocess): New virtual function.
        (rtx_reader::finalize_string): New virtual function.
        (rtx_reader::m_in_call_function_usage): New field.
        (rtx_reader::m_reuse_rtx_by_id): New field.
        * read-rtl-function.c: New file.
        * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
        * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
        (selftest::verify_three_block_rtl_cfg): New decl.
        * read-rtl-function.h: New file.
        * read-rtl.c: Potentially include config.h rather than bconfig.h.
        For host, include function.h, memmodel.h, and emit-rtl.h.
        (one_time_initialization): New function.
        (struct compact_insn_name): New struct.
        (compact_insn_names): New array.
        (find_code): Handle insn codes in compact dumps.
        (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
        (bind_subst_iter_and_attr): Likewise.
        (add_condition_to_string): Likewise.
        (add_condition_to_rtx): Likewise.
        (apply_attribute_uses): Likewise.
        (add_current_iterators): Likewise.
        (apply_iterators): Likewise.
        (initialize_iterators): Guard usage of apply_subst_iterator with
        #ifdef GENERATOR_FILE.
        (read_conditions): Wrap with #ifdef GENERATOR_FILE.
        (md_reader::read_mapping): Likewise.
        (add_define_attr_for_define_subst): Likewise.
        (add_define_subst_attr): Likewise.
        (read_subst_mapping): Likewise.
        (check_code_iterator): Likewise.
        (rtx_reader::read_rtx): Likewise.  Move one-time initialization
        logic to...
        (one_time_initialization): New function.
        (rtx_reader::read_until): New method.
        (read_flags): New function.
        (parse_reg_note_name): New function.
        (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
        Handle reuse_rtx ids.
        Wrap iterator lookup within #ifdef GENERATOR_FILE.
        Add parsing support for RTL dumps, mirroring the special-cases in
        print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
        values, and calling handle_any_trailing_information.
        (rtx_reader::read_rtx_operand): Convert return type from void
        to rtx, returning return_rtx.  Handle case 'e'.  Call
        finalize_string on XSTR and XTMPL fields.
        (rtx_reader::read_nested_rtx):  Handle dumps in which trailing
         "(nil)" values were omitted.  Call the postprocess vfunc on the
        return_rtx.
        (rtx_reader::rtx_reader): Add new "compact" param and pass to base
        class ctor.  Initialize m_in_call_function_usage.  Call
        one_time_initialization.
        * rtl-tests.c (selftest::test_uncond_jump): Call
        set_new_first_and_last_insn.
        * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
        * selftest-rtl.c: New file.
        * selftest-rtl.h (class selftest::rtl_dump_test): New class.
        (selftest::get_insn_by_uid): New decl.
        * selftest-run-tests.c (selftest::run_tests): Call
        read_rtl_function_c_tests.
        * selftest.h  (selftest::read_rtl_function_c_tests): New decl.
        * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
        dumps.

2017-01-05  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*testqi_ext_3): No need to handle memory
        operands in a special way.  Assert that pos+len <= mode precision.

2017-01-05  Jakub Jelinek  <jakub@redhat.com>

        * common.opt (fvect-cost-model): Remove RejectNegative flag, use
        3 argument Alias with unlimited for the negative form.
        (fno-vect-cost-model): Removed.

2017-01-05  Martin Liska  <mliska@suse.cz>

        * hsa-gen.c (gen_hsa_divmod): New function.
        (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.

2017-01-05  Martin Liska  <mliska@suse.cz>

        PR pch/78970
        * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
        header.

2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
        small constant length operands.

2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
        between loop iterations.

2017-01-05  Martin Liska  <mliska@suse.cz>

        PR sanitizer/78815
        * gimplify.c (gimplify_decl_expr): Compare to
        asan_poisoned_variables instread of checking flags.
        (gimplify_target_expr): Likewise.
        (gimplify_expr): Likewise.
        (gimplify_function_tree): Conditionally initialize
        asan_poisoned_variables.

2017-01-04  Jeff Law  <law@redhat.com>

        PR tree-optimizatin/78812
        * rtl.h (contains_mem_rtx_p): Prototype.
        * ifcvt.c (containts_mem_rtx_p): Move from here to...
        * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
        * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
        and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
        through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.

2017-01-04  Alexandre Oliva <aoliva@redhat.com>

        * input.c (assert_char_at_range): Default-initialize actual_range.

2017-01-04  Alexandre Oliva <aoliva@redhat.com>

        * df-scan.c (df_ref_create_structure): Make regno unsigned,
        to match the caller.

2017-01-04  Alexandre Oliva <aoliva@redhat.com>

        * cfgexpand.c (expand_gimple_basic_block): Disregard debug
        insns after final jump in test to emit dummy move.

2017-01-04  Alexandre Oliva <aoliva@redhat.com>

        * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
        * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.

2017-01-04  Alexandre Oliva <aoliva@redhat.com>

        * multiple_target.c (create_dispatcher_calls): Init e_next.
        * tree-ssa-loop-split.c (split_loop): Init border.
        * tree-vect-loop.c (vect_determine_vectorization_factor): Init
        scalar_type.

2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/71977
        PR target/70568
        PR target/78823
        * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
        (altivec_register_operand): Do not return true if the operand
        contains a SUBREG mixing SImode and SFmode.
        (vsx_register_operand): Likewise.
        (vsx_reg_sfsubreg_ok): New predicate.
        (vfloat_operand): Do not return true if the operand contains a
        SUBREG mixing SImode and SFmode.
        (vint_operand): Likewise.
        (vlogical_operand): Likewise.
        (gpc_reg_operand): Likewise.
        (int_reg_operand): Likewise.
        * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
        * config/rs6000/rs6000.c (valid_sf_si_move): New function to
        determine if a MOVSI or MOVSF operation contains SUBREGs that mix
        SImode and SFmode.
        (rs6000_emit_move_si_sf_subreg): New helper function.
        (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
        fixup SUBREGs involving SImode and SFmode.
        * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
        numbers for the new peephole2 optimization.
        (peephole2 for SFmode unions): New peephole2 to optimize cases in
        the GLIBC math library that do AND/IOR/XOR operations on single
        precision floating point.
        * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
        target macros to say whether we need to avoid SUBREGs mixing
        SImode and SFmode.
        (TARGET_ALLOW_SF_SUBREG): Likewise.
        * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
        (UNSPEC_SI_FROM_SF): Likewise.
        (iorxor): Change spacing.
        (and_ior_xor): New iterator for AND, IOR, and XOR.
        (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
        (movdi_from_sf_zero_ext): Likewise.
        (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
        instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
        (movsf_from_si): New insn for SImode/SFmode SUBREG support.
        (fma<mode>4): Use gpc_reg_operand instead of register_operand.
        (fms<mode>4): Likewise.
        (fnma<mode>4): Likewise.
        (fnms<mode>4): Likewise.
        (nfma<mode>4): Likewise.
        (nfms<mode>4): Likewise.

2017-01-04  Marek Polacek  <polacek@redhat.com>

        PR c++/64767
        * doc/invoke.texi: Document -Wpointer-compare.

2017-01-04  Jakub Jelinek  <jakub@redhat.com>

        * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
        RejectNegative.

        * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
        descriptions for -gdwarf-5 and emit them as uleb128 instead of
        2-byte data.

2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        PR target/78056
        * doc/sourcebuild.texi (PowerPC-specific attributes): Add
        documentation of the powerpc_popcntb_ok attribute.
        * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
        code to issue warning messages if a requested CPU configuration is
        not supported by the binary (assembler and loader) toolchain.
        (spe_init_builtins): Add two assertions to prevent ICE if attempt is
        made to define a built-in function that has been disabled.
        (paired_init_builtins): Add assertion to prevent ICE if attempt is
        made to define a built-in function that has been disabled.
        (altivec_init_builtins): Add comment explaining why definition
        of the DST built-in functions is not preceded by an assertion
        check.  Add assertions to prevent ICE if attempts are made to
        define an altivec predicate or an abs* built-in function that has
        been disabled.
        (htm_init_builtins): Add comment explaining why definition of the
        htm built-in functions is not preceded by an assertion check.

2017-01-04  Jeff Law  <law@redhat.com>

        PR tree-optimizatin/67955
        * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
        Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
        the points-to solution does not include pt_null.  Use DECL_PT_UID
        unconditionally.

2017-01-04  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
        Use gen_int_mode instead of gen_lopwart for const_int operands.

2017-01-04  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/71563
        * match.pd: Simplify X << Y into X if Y is known to be 0 or
        out of range value - has low bits known to be zero.

2017-01-04  Alan Modra  <amodra@gmail.com>

        * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
        * configure: Regenerate.
        * config.in: Regenerate.

2017-01-04  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/77569
        * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
        a substring of the message, but strcmp with the whole message.  Ifdef
        ENABLE_NLS, translate the message first using dgettext.

2017-01-03  Jeff Law  <law@redhat.com>

        PR tree-optimizatin/78856
        * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
        (mark_threaded_blocks): Remove code to truncate thread paths that
        cross multiple loop headers.  Instead invalidate the cached loop
        iteration information and handle case of a thread path walking
        into an irreducible region.

2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/78900
        * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
        assertions.  Add support for doing the signbit if the IEEE 128-bit
        floating point value is in a GPR.
        * config/rs6000/rs6000.md (Fsignbit): Delete.
        (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
        Update the length attribute if the value is in a GPR.
        (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
        the sign or zero extension instruction, since the value is always 0/1.
        (signbit<mode>2_dm2): Delete using <Fsignbit>.

        PR target/78953
        * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
        extracting SImode to a GPR register so that we can generate a
        store, limit the vector to be in a traditional Altivec register
        for the vextuwrx instruction.

2017-01-03  Ian Lance Taylor  <iant@google.com>

        * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.

2017-01-03  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/78696
        * gimple-ssa-sprintf.c (format_floating): Correct handling of
        precision.  Use MPFR for %f for greater fidelity.  Correct handling
        of %g.
        (pass_sprintf_length::compute_format_length): Set width and precision
        specified by asrerisk to void_node for vararg functions.
        (try_substitute_return_value): Adjust dump output.

2017-01-03  David Edelsohn  <dje.gcc@gmail.com>

        * doc/invoke.texi (RS6000 options): LRA is enabled by default.

2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>

        * doc/invoke.texi (SPARC options): Document -mlra as the default.
        * config/sparc/sparc.c (sparc_option_override): Force LRA unless
        -mlra/-mno-lra was passed to the compiler.

2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>

        PR rtl-optimization/65618
        * emit-rtl.c (try_split): Move initialization of "before" and
        "after" to just before the call to emit_insn_after_setloc.

2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/md.texi (Standard Names): Remove reference to Java frontend.

2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>

        * dwarf2out.c (gen_enumeration_type_die): When
        -gno-strict-dwarf, add a DW_AT_encoding attribute.

2017-01-03  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/78965
        * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
        Change first argument from const call_info & to call_info &.  For %n
        set info.nowrite to false.

        PR middle-end/78901
        * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
        possibly throwing calls.

        * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
        and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
        and fns handling, rather than in a separate case SSA_NAME.

2017-01-02  Jeff Law  <law@redhat.com>

        * config/darwin-driver.c (darwin_driver_init): Const-correctness
        fixes for first_period and second_period variables.

2017-01-02  Uros Bizjak  <ubizjak@gmail.com>

        PR target/78967
        * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
        (*insvqi_1): New insn pattern.
        (*insvqi_1_mem_rex64): Ditto.
        (*insvqi_2): Ditto.
        (*insvqi_3): Rename from *insvqi.

        (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.

2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/cfg.texi (Edges): Remove reference to Java.
        (Maintaining the CFG): Ditto.

2017-01-01  Jan Hubicka  <hubicka@ucw.cz>

        PR middle-end/77674
        * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
        transparent aliases.

2017-01-01  Jan Hubicka  <hubicka@ucw.cz>

        PR middle-end/77484
        * predict.def (PRED_CALL): Update hitrate.
        (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
        * predict.c (tree_estimate_probability_bb): Split CALL predictor
        into direct/indirect/polymorphic variants.

2017-01-01  Jakub Jelinek  <jakub@redhat.com>

        Update copyright years.

        * gcc.c (process_command): Update copyright notice dates.
        * gcov-dump.c (print_version): Ditto.
        * gcov.c (print_version): Ditto.
        * gcov-tool.c (print_version): Ditto.
        * gengtype.c (create_file): Ditto.
        * doc/cpp.texi: Bump @copying's copyright year.
        * doc/cppinternals.texi: Ditto.
        * doc/gcc.texi: Ditto.
        * doc/gccint.texi: Ditto.
        * doc/gcov.texi: Ditto.
        * doc/install.texi: Ditto.
        * doc/invoke.texi: Ditto.
\f
Copyright (C) 2017 Free Software Foundation, Inc.

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are permitted in any medium without royalty provided the copyright
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