Backport from GCC mainline.

[platform/upstream/linaro-gcc.git] / gcc / ChangeLog

2017-02-03  Carl Love  <cel@us.ibm.com>

        Backport of two commits from mainline, r244943 and r244904,
        dated 017-01-26 and 2017-01-25 respectively

        * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
        of entries for ALTIVEC_BUILTIN_VEC_PACKS.  Remove bogus entries
        for P8V_BUILTIN_VEC_VGBBD.

2017-02-03  Walter Lee  <walt@tilera.com>

        Backport from mainline
        2017-02-03  Walter Lee  <walt@tilera.com>

        PR target/78862
        * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
        after initial stackframe link reg save.
        * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.

2017-02-03  Maxim Ostapenko  <m.ostapenko@samsung.com>

        PR lto/79061
        * asan.c (asan_add_global): Force has_dynamic_init to zero in LTO mode.

2017-01-31  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        Backport from mainline
        2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR target/79268
        * config/rs6000/altivec.h (vec_xl): Revise #define.
        (vec_xst): Likewise.

2017-01-26  Eric Botcazou  <ebotcazou@adacore.com>

        Backport from mainline
        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.

        2017-01-09  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.

2017-01-26  Richard Biener  <rguenther@suse.de>

        * tree-vrp.c (vrp_visit_assignment_or_call): Use set_defs_to_varying.

        Backport from mainline
        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.

        2016-12-13  Richard Biener  <rguenther@suse.de>

        PR middle-end/78742
        * tree.c (cst_and_fits_in_hwi): Look if the actual value fits.
        * tree-object-size.c (compute_builtin_object_size): Use
        tree_fits_shwi_p.
        * tree-data-ref.c (initialize_matrix_A): Remove excess assert.

2017-01-26  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2016-09-03  Kirill Yukhin  <kirill.yukhin@intel.com>

        * ubsan.c (ubsan_use_new_style_p): Fix check for empty string.

2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/77439
        * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
        for long calls with APCS frame and VFP.

2017-01-24  Uros Bizjak  <ubizjak@gmail.com>

        PR target/78478
        Revert:
        2013-11-05  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.

2017-01-23  Martin Liska  <mliska@suse.cz>

        Backport from mainline
        2017-01-20  Martin Liska  <mliska@suse.cz>

        PR lto/69188
        * tree-profile.c (init_ic_make_global_vars): Do not call
        finalize_decl.
        (gimple_init_gcov_profiler): Likewise.

2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>

        Backport from mainline
        2016-12-29  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/extend.texi (Cilk Plus Builtins): cilkplus.org now uses
        https by default.
        * doc/passes.texi (Cilk Plus Transformation): Ditto.
        * doc/generic.texi (Statements for C++): Ditto, and use @uref.

2017-01-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        Backport from mainline
        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.

2017-01-20  Wilco Dijkstra  <wdijkstr@arm.com>

        Backport from mainline
        PR target/77455
        * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
        * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
        (EH_RETURN_HANDLER_RTX): New define.
        * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
        Force frame pointer in EH return functions.
        (aarch64_expand_epilogue): Add barrier for eh_return.
        (aarch64_final_eh_return_addr): Remove.
        (aarch64_eh_return_handler_rtx): New function.
        * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
        Remove.
        (aarch64_eh_return_handler_rtx): New prototype.

2017-01-20  Richard Earnshaw  <rearnsha@arm.com>

        Backported from mainline
        2017-01-19  Richard Earnshaw  <rearnsha@arm.com>

        PR rtl-optimization/79121
        * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
        of the inner type when shifting an extended value.

2017-01-20  Martin Liska  <mliska@suse.cz>

        Backport from mainline
        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.

2017-01-20  Martin Liska  <mliska@suse.cz>

        Backport from mainline
        2017-01-17  Martin Liska  <mliska@suse.cz>

        PR ipa/71207
        * ipa-polymorphic-call.c (contains_type_p): Fix wrong
        assumption and add comment.

2017-01-19  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/72488
        * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
        sure to restore SSA info.

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

        PR debug/78839
        * dwarf2out.c (field_byte_offset): Restore the
        PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
        and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
        (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
        of build2 + fold.

2017-01-17  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        Backport from mainline
        2016-12-07  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        PR rtl-optimization/78617
        * lra-remat.c (do_remat): Initialize live_hard_regs from live in
        registers, also setting hard registers mapped to pseudo registers.

2017-01-13  Christophe Lyon  <christophe.lyon@linaro.org>

        Backport from mainline r244320.
        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.

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

        Backport from mainline
        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.

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

        Backport from mainline
        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.
        * lto-streamer.h (LTO_minor_version): Bump version.

2017-01-10  Michael Meissner  <meissner@linux.vnet.ibm.com>

        Backport from mainline
        2016-12-30  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>.

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

        Backport from mainline
        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.

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

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

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

2017-01-10  Thomas Schwinge  <thomas@codesourcery.com>

        PR tree-optimization/78024
        * omp-low.c (oacc_loop_discovery): Call clear_bb_flags.

        Backport trunk r239086:
        2016-08-03  Nathan Sidwell  <nathan@codesourcery.com>

        * config/nvptx/nvptx.c (nvptx_declare_function_name): Round frame
        size to DImode boundary.
        (nvptx_propagate): Likewise.

2017-01-10  Chung-Ju Wu  <jasonwucj@gmail.com>

        Backport from mainline
        2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/70668
        * config/nds32/nds32.md (casesi): Don't access the operands array
        out of bounds.

2017-01-09  Andreas Tobler  <andreast@gcc.gnu.org>

        Backport from mainline
        2016-10-10  Andreas Tobler  <andreast@gcc.gnu.org>

        * config.gcc: Add aarch64-*-freebsd* support.
        * config.host: Likewise.
        * config/aarch64/aarch64-freebsd.h: New file.
        * config/aarch64/t-aarch64-freebsd: Ditto.

2017-01-09  Bill Seurer  <seurer@linux.vnet.ibm.com>

        Backport from mainline
        2016-12-21  Bill Seurer  <seurer@linux.vnet.ibm.com>

        PR sanitizer/65479
        * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
        -fasynchronous-unwind-tables option when -fsanitize=address is
        specified.

2017-01-09  Andreas Tobler  <andreast@gcc.gnu.org>

        Backport from mainline
        2016-09-19  Richard Biener  <rguenther@suse.de>

        * dwarf2out.c (dwarf2out_late_global_decl): When being during the
        early debug phase do not add locations but only const value
        attributes.

        Backport from mainline
        2016-10-20  Richard Biener  <rguenther@suse.de>

        * cgraphunit.c (analyze_functions): Set node->definition to
        false to signal symbol removal to debug_hooks->late_global_decl.

2017-01-09  Andre Vieira <andre.simoesdiasvieira@arm.com>

        Backport from mainline
        2016-12-09  Andre Vieira <andre.simoesdiasvieira@arm.com>

        PR rtl-optimization/78255
        * gcc/postreload.c (reload_cse_simplify): Do not CSE a function if
        NO_FUNCTION_CSE is true.

2017-01-06  Wilco Dijkstra  <wdijkstr@arm.com>

        Backport from mainline
        2016-10-25  Wilco Dijkstra  <wdijkstr@arm.com>

        PR target/78041
        * config/arm/neon.md (ashldi3_neon): Add "r 0 i" and "&r r i" variants.
        Remove partial overlap check for shift by 1.
        (ashldi3_neon): Likewise.

2017-01-05  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        Backport from mainline
        2016-07-22  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
        comments to explain why certain error messages make mention of
        undocumented options.
        (rs6000_invalid_builtin): Change error messages to replace mention
        of undocumented options with mention of the -mcpu=power9 option
        that enables those undocumented options.
        * config/rs6000/rs6000.h: Add macro definition of MASK_FLOAT128
        and change the macro definition of RS6000_BTM_FLOAT128 to correct
        an error that was discovered during the development of this patch.
        * config/rs6000/rs6000.opt: Add the Undocumented qualifier to the
        mpower9-fusion, mpower9-vector, mpower9-dform, and mmodulo entries.
        * doc/extend.texi (PowerPC AltiVec Built-in Functions): Modify
        descriptions of built-in functions so that they depend on
        -mcpu=power9 instead of on the corresponding undocumented flags.
        * doc/invoke.texi (Option Summary):  Remove all mention of newly
        undocumented flags.
        (IBM RS/6000 and PowerPC Options): Likewise.
        * doc/md.texi (Constraints for Particuliar Machines): Remove all
        mention of newly undocumented flags.

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

        Backport from mainline
        2016-12-22  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * varasm.c (build_constant_desc): Use the alignment of the var
        decl instead of the original expression.

2017-01-04  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2016-05-11  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/71055
        * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
        sth with precision not equal to access size verify we don't chop
        off bits.

2017-01-03  Martin Liska  <mliska@suse.cz>

        Backport from mainline
        2016-12-21  Jakub Jelinek  <jakub@redhat.com>
                    Martin Liska  <mliska@suse.cz>

        PR driver/78863
        * gcc.c (driver::build_option_suggestions): Do not add
        -fsanitize=all as a suggestion candidate.

2017-01-03  Martin Liska  <mliska@suse.cz>

        Backport from mainline
        2016-12-22  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/78886
        * tree-ssa-strlen.c (handle_builtin_malloc): Return when LHS
        is equal to NULL.

2017-01-03  Martin Liska  <mliska@suse.cz>

        Backport from mainline
        2016-12-13  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/78428
        * expr.c (store_constructor_field): Add new arguments to the
        function.
        (store_constructor): Set up bitregion_end and add
        gcc_unreachable to fields that have either non-constant size
        or (and) offset.

2016-12-27  Jakub Jelinek  <jakub@redhat.com>

        PR translation/78922
        * config/i386/stringop.opt: Remove.

2016-12-21  Jakub Jelinek  <jakub@redhat.com>

        Backported from mainline
        2016-12-13  Jakub Jelinek  <jakub@redhat.com>

        PR ipa/77905
        * ipa-pure-const.c (cdtor_p): Return true for
        DECL_STATIC_{CON,DE}STRUCTOR even when it is
        DECL_LOOPING_CONST_OR_PURE_P.

2016-12-21  Jakub Jelinek  <jakub@redhat.com>

        * BASE-VER: Set to 6.3.1.

2016-12-21  Release Manager

        * GCC 6.3.0 released.

2016-12-14  Uros Bizjak  <ubizjak@gmail.com>

        PR target/59874
        * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_CLZS
        and IX86_BUILTIN_CTZS.
        (bdesc_args): Add __builtin_clzs and __builtin_ctzs.
        (ix86_fold_builtin): Handle IX86_BUILTIN_CTZS and IX86_BUILTIN_CLZS.

2016-12-14  Wilco Dijkstra  <wdijkstr@arm.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR target/78796
        * config/aarch64/aarch64.c (aarch64_classify_symbol): Merge large
        model checks into switch.

2016-12-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        Backport from mainline
        2016-11-25  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * tree-ssa-math-opts.c (struct symbolic_number): Improve comment.

2016-12-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        Backport from mainline
        2016-11-25  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        PR tree-optimization/77673
        * tree-ssa-math-opts.c (struct symbolic_number): Add new src field.
        (init_symbolic_number): Initialize src field from src parameter.
        (perform_symbolic_merge): Select most dominated statement as the
        source statement.  Set src field of resulting n structure from the
        input src with the lowest address.
        (find_bswap_or_nop): Rename source_stmt into ins_stmt.
        (bswap_replace): Rename src_stmt into ins_stmt.  Initially get source
        of load from src field rather than insertion statement.  Cancel
        optimization if statement analyzed is not dominated by the insertion
        statement.
        (pass_optimize_bswap::execute): Rename src_stmt to ins_stmt.  Compute
        dominance information.

2016-12-13  Michael Meissner  <meissner@linux.vnet.ibm.com>

        Backport from mainline
        2016-12-07  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/72717
        * config/rs6000/rs6000.c (rs6000_expand_vector_init): If the
        V2DImode elements are SUBREG's convert the result into DImode
        rather than failing in emit_move_insn.

2016-12-13  Iain Sandoe  <iain@codesourcery.com>

        Backport from mainline
        2016-12-11  Iain Sandoe  <iain@codesourcery.com>

        PR rtl-optimization/71496
        * config/rs6000/darwin.md (load_macho_picbase_si): Mark as non-
        copyable.  (load_macho_picbase_di, reload_macho_picbase_si,
        reload_macho_picbase_di): Likewise.

2016-12-12  Bernd Schmidt  <bschmidt@redhat.com>

        Backport from mainline
        2016-11-07  Bernd Schmidt  <bschmidt@redhat.com>

        PR rtl-optimization/77309
        * combine.c (make_compound_operation): Allow EQ for IN_CODE, and
        don't assume an equality comparison for plain COMPARE.
        (simplify_comparison): Pass a more accurate code to
        make_compound_operation.

2016-12-12 Thomas Preud'homme <thomas.preudhomme@arm.com>

        Backport from mainline
        2016-11-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        PR target/77904
        * config/arm/arm.c (thumb1_compute_save_reg_mask): Mark frame pointer
        in save register mask if it is needed.

2016-12-11  Iain Sandoe  <iain@codesourcery.com>

        Backport from mainline
        2016-11-27  Iain Sandoe  <iain@codesourcery.com>
                    Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/67710
        * config.in: Regenerate
        * config/darwin-driver.c (darwin_driver_init): Emit a version string
        for the assembler.
        * config/darwin.h(ASM_MMACOSX_VERSION_MIN_SPEC): New, new tests.
        * config/darwin.opt(asm_macosx_version_min): New.
        * config/i386/darwin.h: Handle ASM_MMACOSX_VERSION_MIN_SPEC.
        * configure: Regenerate
        * configure.ac: Check for mmacosx-version-min handling.

2016-12-11  Iain Sandoe  <iain@codesourcery.com>

        Backport from mainline
        2016-11-27  Iain Sandoe  <iain@codesourcery.com>

        PR target/57438
        * config/i386/i386.c (ix86_code_end): Note that we emitted code
        where the function might otherwise appear empty for picbase thunks.
        (ix86_output_function_epilogue): If we find a zero-sized function
        assume that reaching it is UB and trap.  If we find a trailing label
        append a nop.
        * config/rs6000/rs6000.c (rs6000_output_function_epilogue): If we
        find a zero-sized function assume that reaching it is UB and trap.
        If we find a trailing label, append a nop.

2016-12-11 Iain Sandoe  <iain@codesourcery.com>

        Backport from mainline
        2016-11-27  Iain Sandoe  <iain@codesourcery.com>

        PR target/71767
        * config/darwin-sections.def (picbase_thunk_section): New.
        * config/darwin.c (darwin_init_sections): Set up picbase thunk
        section. (darwin_rodata_section, darwin_objc2_section,
        machopic_select_section, darwin_asm_declare_constant_name,
        darwin_emit_weak_or_comdat, darwin_function_section): Don’t use
        coalesced with newer linkers.
        (darwin_override_options): Decide on usage of coalesed sections
        on the basis of the target linker version.
        * config/darwin.h (MIN_LD64_NO_COAL_SECTS): New.
        * config/darwin.opt  (mtarget-linker): New.
        * config/i386/i386.c (ix86_code_end): Do not force the thunks into
        a coalesced section, instead use a thunks section.

        Backport from mainline
        2016-11-28  Iain Sandoe  <iain@codesourcery.com>

        PR target/71767
        * configure.ac (with_ld64): Use portable method to extract the
        major part of the version number.
        * configure: Regenerated.

        Backport from mainline
        2016-11-27  Iain Sandoe  <iain@codesourcery.com>

        PR target/71767
        * configure.ac (with-ld64): New var, set for Darwin, set on
        detection of ld64, gcc_cv_ld64_export_dynamic: New, New test.
        * config/darwin.h: Use LD64_HAS_DYNAMIC export. DEF_LD64: New,
        define.
        * config/darwin10.h(DEF_LD64): Update for this target version.
        * config/darwin12.h(LINK_GCC_C_SEQUENCE_SPEC): Remove rdynamic
        test.  (DEF_LD64): Update for this target version.
        * configure: Regenerated.
        * config.in: Regenerated.

        Backport from mainline
        2016-11-27  Iain Sandoe  <iain@codesourcery.com>

        PR target/71767
        * config/darwin.c (imachopic_indirection_name): Make data
        section indirections linker-visible.
        * config/darwin.h (ASM_GENERATE_INTERNAL_LABEL): Make local
        constant labels linker-visible.

2016-12-09  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        Backport from mainline
        2016-11-17  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        PR target/77933
        * config/arm/arm.c (thumb1_expand_prologue): Distinguish between lr
        being live in the function and lr needing to be saved.  Distinguish
        between already saved pushable registers and registers to push.
        Check for LR being an available pushable register.

2016-12-09  Nathan Sidwell  <nathan@acm.org>

        PR C++/78550
        * convert.c (convert_to_integer_1): Maybe fold conversions to
        integral types with fewer bits than its mode.

2016-12-09  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2016-11-09  Richard Biener  <rguenther@suse.de>

        * tree-vect-data-refs.c (vect_compute_data_ref_alignment):
        Look at the DR_BASE_ADDRESS object for forcing alignment.

        2016-11-07  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/78189
        * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Fix
        alignment computation.

2016-12-09  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2016-11-28  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/78542
        * tree-ssa-ccp.c (evaluate_stmt): Only valueize simplification
        if allowed.

        2016-11-23  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/78482
        * tree-cfgcleanup.c: Include tree-ssa-loop-niter.h.
        (remove_forwarder_block_with_phi): When merging with a loop
        header creates a new latch reset number of iteration information
        of the loop.

        2016-11-23  Richard Biener  <rguenther@suse.de>

        PR middle-end/71762
        * match.pd ((~X & Y) -> X < Y, (X & ~Y) -> Y < X,
        (~X | Y) -> X <= Y, (X | ~Y) -> Y <= X): Remove.

        2016-11-11  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/71575
        * graphite-isl-ast-to-gimple.c (copy_cond_phi_nodes): Remove
        bogus assert.

        2016-11-07  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/78224
        * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
        Split the fallthru edge in case its successor may have PHIs.

        2016-11-05  David Edelsohn  <dje.gcc@gmail.com>
                Richard Biener  <rguenther@suse.de>

        PR bootstrap/78188
        PR c++/71848
        * ipa-comdats.c (pass_ipa_comdats::gate): Require HAVE_COMDAT_GROUP.

        2016-09-20  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/77646
        * tree-ssa-sccvn.c (visit_reference_op_call): Always value-number
        a VDEF.

2016-12-07  Segher Boessenkool  <segher@kernel.crashing.org>

        Backport from mainline
        2016-11-12  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/77957
        * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
        return early if !optional_tbtab.

2016-12-07  Jakub Jelinek  <jakub@redhat.com>

        Backported from mainline
        2016-11-28  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/78540
        * rtl.h (remove_reg_equal_equiv_notes): Return bool instead of void.
        * rtlanal.c (remove_reg_equal_equiv_notes): Return true if any
        note has been removed.
        * postreload.c (reload_combine_recognize_pattern): If
        remove_reg_equal_equiv_notes returns true, call df_notes_rescan.

        PR rtl-optimization/78546
        * simplify-rtx.c (neg_const_int): When negating most negative
        number in mode wider than HOST_BITS_PER_WIDE_INT, use
        simplify_const_unary_operation to produce CONST_DOUBLE or
        CONST_WIDE_INT.
        (simplify_plus_minus): Hanlde the case where neg_const_int
        doesn't return a CONST_INT.

        PR fortran/78298
        * tree-nested.c (convert_local_reference_stmt): After adding
        shared (FRAME.NN) clause to omp parallel, task or target,
        add it also to all outer omp parallel, task or target constructs.

        2016-11-23  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/69183
        * omp-low.c (build_outer_var_ref): Change lastprivate argument
        to code, pass it recursively, adjust uses.  For OMP_CLAUSE_PRIVATE
        on worksharing constructs, treat it like clauses on simd construct.
        Formatting fix.
        (lower_rec_input_clauses): For OMP_CLAUSE_PRIVATE_OUTER_REF pass
        OMP_CLAUSE_PRIVATE as last argument to build_outer_var_ref.
        (lower_lastprivate_clauses): Pass OMP_CLAUSE_LASTPRIVATE instead
        of true as last argument to build_outer_var_ref.

        2016-11-22  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/78416
        * expmed.c (expand_divmod): Use wide_int for computation of
        op1_is_pow2.  Don't set it if op1 is 0.  Formatting fixes.
        Use size <= HOST_BITS_PER_WIDE_INT instead of
        HOST_BITS_PER_WIDE_INT >= size.

        2016-11-21  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/67335
        * omp-simd-clone.c (simd_clone_adjust_argument_types): Use NULL prefix
        for tmp simd array if DECL_NAME (parm) is NULL.

        2016-11-18  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/78419
        * multiple_target.c (get_attr_len): Start with argnum and increment
        argnum on every arg.  Use strchr in a loop instead of counting commas
        manually.
        (get_attr_str): Increment argnum for every comma in the string.
        (separate_attrs): Use for instead of while loop, simplify.
        (expand_target_clones): Rename defenition argument to definition.
        Free attrs and attr_str even when diagnosing errors.  Temporarily
        change input_location around targetm.target_option.valid_attribute_p
        calls.  Don't emit warning or errors if that function fails.

        2016-11-16  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/78378
        * combine.c (make_extraction): Use force_to_mode for non-{REG,MEM}
        inner only if pos is 0.  Fix up formatting.

        PR fortran/78299
        * omp-low.c (expand_omp_for_static_nochunk): Don't assert
        that loop->header == body_bb if broken_loop.

        2016-11-07  Jakub Jelinek  <jakub@redhat.com>

        PR target/77834
        * dse.c (dse_step5): Call scan_reads even if just
        insn_info->frame_read.  Improve and fix dump file messages.

        PR target/78227
        * config/i386/i386.c (ix86_expand_sse_cmp): Force dest into
        cmp_mode argument even for -O0 if cmp_mode != mode and maskcmp.

        2016-11-04  Jakub Jelinek  <jakub@redhat.com>

        PR target/77834
        * alias.c (nonoverlapping_memrefs_p): Return 0 if exprx or expry
        doesn't have rtl set.

        2016-10-29  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/77919
        * expr.c (expand_expr_real_1) <normal_inner_ref>: Only avoid forcing
        into memory if both modes are complex and their inner modes have the
        same precision.  If the two modes are different complex modes, convert
        each part separately and generate a new CONCAT.

        2016-10-28  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/77919
        * expr.c (expand_expr_real_1) <normal_inner_ref>: Force CONCAT into
        MEM if mode1 is not a complex mode.

        2016-10-27  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/78025
        * omp-simd-clone.c (simd_clone_adjust): Handle noreturn declare simd
        functions.

        2016-10-26  Jakub Jelinek  <jakub@redhat.com>
                    Martin Liska  <mliska@suse.cz>

        PR fortran/77973
        * gimplify.c (gimplify_adjust_omp_clauses_1): For all added map
        clauses with OMP_CLAUSE_SIZE being a decl, call omp_notice_variable
        on outer context if any.

        2016-10-05  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/66343
        * ubsan.c (ubsan_ids): New GTY(()) array.
        (ubsan_type_descriptor, ubsan_create_data): Use ubsan_ids
        instead of static local counters.

        2016-09-22  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/77665
        * tree-inline.c (remap_gimple_stmt): Set has_simduid_loops
        for all IFN_GOMP_SIMD_* internal fns, not just for
        IFN_GOMP_SIMD_ORDERED_*.

        2016-09-20  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/77624
        * builtins.c (fold_builtin_atomic_always_lock_free): Only look through
        cast to void * if the cast is from some other pointer type.

        2016-09-19  Jakub Jelinek  <jakub@redhat.com>
                    Jan Hubicka  <jh@suse.cz>

        PR target/77587
        * cgraph.c (cgraph_node::rtl_info): Pass &avail to
        ultimate_alias_target call, return NULL if avail < AVAIL_AVAILABLE.
        Call ultimate_alias_target just once, not up to 4 times.

2016-12-07  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        Backport from mainline
        2016-11-16  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * config/arm/arm.md (arm_addsi3): Add alternative for addition of
        general register with general register or ARM constant into SP
        register.

2016-12-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        Backport from mainline
        2016-12-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
                    Stefan Freudenberger  <stefan@reservoir.com>

        PR tree-optimization/78646
        * gimple-ssa-strength-reduction.c (replace_ref): The pointer
        addition used for the memory base expression should have the type
        of the candidate.

2016-12-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        Backport from mainline
        2016-09-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
                    Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/72827
        * config/rs6000/rs6000.c (rs6000_legitimize_address): Avoid
        reg+reg addressing for TImode.
        (rs6000_legitimate_address_p): Only allow register indirect
        addressing for TImode, even without TARGET_QUAD_MEMORY.

2016-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        Backport from mainline
        2016-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390-modes.def (CCVEQANY, CCVH, CCVHANY, CCVHU)
        (CCVHUANY): Remove modes.
        (CCVIH, CCVIHU, CCVIALL, CCVIANY, CCVFALL, CCVFANY): Add modes and
        documentation.
        * config/s390/s390.c (s390_match_ccmode_set): Rename cc modes.
        (s390_expand_vec_compare_scalar): Pick one of the cc consumer
        modes.
        (s390_branch_condition_mask): Adjust to use the new cc consumer
        modes.  The new modes allow for proper reversal in the middle-end.
        (s390_expand_vec_compare_cc): Determine the proper cc producer and
        consumer modes for a comparison.
        * config/s390/s390.md: Rename CCVH to CCVIH and CCVHU to CCVIHU
        throughout the file.
        * config/s390/vx-builtins.md: Likewise.

2016-12-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        Backport from mainline
        2016-12-01  Alan Modra  <amodra@gmail.com>

        * gcc/config/rs6000/rs6000.c (insn_is_swappable_p): Properly
        look inside UNSPEC_VSX_XXSPLTW vec.

2016-12-01  Michael Meissner  <meissner@linux.vnet.ibm.com>

        Back port from trunk
        2016-11-17  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/78101
        * config/rs6000/predicates.md (fusion_addis_mem_combo_load): Add
        the appropriate checks for SFmode/DFmode load/stores in GPR
        registers.
        (fusion_addis_mem_combo_store): Likewise.
        * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Rename
        fusion_fpr_* to fusion_vsx_* and add in support for ISA 3.0 scalar
        d-form instructions for traditional Altivec registers.
        (emit_fusion_p9_load): Likewise.
        (emit_fusion_p9_store): Likewise.
        * config/rs6000/rs6000.md (p9 fusion store peephole2): Remove
        early clobber from scratch register.  Do not match if the register
        being stored is the scratch register.
        (fusion_vsx_<P:mode>_<FPR_FUSION:mode>_load): Rename fusion_fpr_*
        to fusion_vsx_* and add in support for ISA 3.0 scalar d-form
        instructions for traditional Altivec registers.
        (fusion_fpr_<P:mode>_<FPR_FUSION:mode>_load): Likewise.
        (fusion_vsx_<P:mode>_<FPR_FUSION:mode>_store): Likewise.
        (fusion_fpr_<P:mode>_<FPR_FUSION:mode>_store): Likewise.

2016-12-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        Backport from mainline
        2016-11-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/48863
        PR inline-asm/70184
        * tree-ssa-ter.c (temp_expr_table): Add reg_vars_cnt field.
        (new_temp_expr_table): Initialise reg_vars_cnt.
        (free_temp_expr_table): Release reg_vars_cnt.
        (process_replaceable): Add reg_vars_cnt argument, set reg_vars_cnt
        field of TAB.
        (find_replaceable_in_bb): Use the above to record register variable
        write occurrences and cancel replacement across them.

2016-11-29  Kaz Kojima  <kkojima@gcc.gnu.org>

        Backported from mainline
        2016-11-19  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/78426
        * config/sh/sh-mem.cc (sh_expand_cmpnstr): Use copy_to_mode_reg
        instead of force_reg.
        (sh_expand_setmem): Likewise.

2016-11-24  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/78429
        * tree.h (wi::fits_to_boolean_p): New predicate.
        (wi::fits_to_tree_p): Use it for boolean types.
        * tree.c (int_fits_type_p): Likewise.

2016-11-24  Martin Liska  <mliska@suse.cz>

        Backported from mainline
        2016-11-22  Martin Liska  <mliska@suse.cz>

        PR ipa/78309
        * ipa-icf.c (void sem_item::set_hash): Update m_hash_set.
        (sem_function::get_hash): Use the new field.
        (sem_function::parse): Remove an argument from ctor.
        (sem_variable::parse): Likewise.
        (sem_variable::get_hash): Use the new field.
        (sem_item_optimizer::read_section): Use new ctor and set hash.
        * ipa-icf.h: _hash is removed from sem_item::sem_item,
        sem_variable::sem_variable, sem_function::sem_function.

2016-11-23  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*<any_or:code>hi_1): Fix operand 2 constraints.
        (kxnor<mode>): Return "#" for alternative 0.

2016-11-23  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2016-11-23  Richard Biener  <rguenther@suse.de>

        PR lto/78472
        * tree.c (gimple_canonical_types_compatible_p): Ignore zero-sized
        fields.

        2016-11-17  Richard Biener  <rguenther@suse.de>

        PR middle-end/78305
        * fold-const.c (negate_expr_p): Fix multiplication case.

        2016-11-16  Richard Biener  <rguenther@suse.de>

        PR middle-end/78333
        * gimplify.c (gimplify_function_tree): Do not instrument
        GNU extern inline functions.

        2016-11-07  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/78228
        * tree-ssa-phiopt.c (abs_replacement): Avoid introducing
        undefined behavior.

        2016-11-04  Richard Biener  <rguenther@suse.de>

        PR middle-end/78185
        * loop-invariant.c (find_exits): Record entering inner
        loops as possibly exiting to handle infinite sub-loops.
        * tree-ssa-loop-im.c: Include tree-ssa-loop-niter.h.
        (fill_always_executed_in_1): Honor infinite child loops.

        2016-10-06  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/77855
        * tree-ssa-pre.c (prune_clobbered_mems): Queue exprs to remove
        instead of removing the current item while iterating over the set
        which is not safe.

2016-11-22  Walter Lee  <walt@tilera.com>

        Backport from mainline
        2016-11-22  Walter Lee  <walt@tilera.com>

        * config/tilegx/tilegx.md (trap): New pattern.
        * config/tilepro/tilepro.md (trap): Likewise.

2016-11-22  Walter Lee  <walt@tilera.com>

        Backport from mainline
        2016-11-22  Walter Lee  <walt@tilera.com>

        * config/tilegx/tilegx.md (*zero_extract): Use
        define_insn_and_split instead of define_insn; Handle pos + size >
        64.
        (*sign_extract): Likewise.

2016-11-22  Uros Bizjak  <ubizjak@gmail.com>

        * Makefile.in ($(lang_checks_parallelized)): Fix detection
        of -j argument.

2016-11-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        Backport from mainline
        2016-11-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/77822
        * config/aarch64/aarch64.md (*tb<optab><mode>1): Use
        aarch64_simd_shift_imm_<mode> predicate for operand 1.
        (<optab>, ANY_EXTRACT): Use tighter predicates on operands 2 and 3
        to restrict them to an appropriate range and add FAIL check if the
        region they specify is out of range.  Delete useless constraint
        strings.
        (*<optab><mode>, ANY_EXTRACT): Add appropriate predicates on operands
        2 and 3 to restrict their range and add pattern predicate.

2016-11-18  Walter Lee  <walt@tilera.com>

        Backport from mainline
        2016-11-18  Walter Lee  <walt@tilera.com>

        * config/tilegx/tilegx.c (tilegx_gen_bundles): Preserve
          end-of-bundle marker for consecutive barriers.

2016-11-18  Walter Lee  <walt@tilera.com>

        Backport from mainline
        2016-11-18  Walter Lee  <walt@tilera.com>

        * config/tilegx/tilegx.md (clzsi2): Fix for big-endian.

2016-11-15  Matthias Klose  <doko@ubuntu.com>

        * doc/install.texi: Move the 'Overriding configure test results'
        subsub section to the 'Cross-Compiler-Specific Options' sub section.

2016-11-13  Eric Botcazou  <ebotcazou@adacore.com>

        * ipa-icf.c (sem_function::merge): Do not create a wrapper also if the
        original function needs a static chain.

2016-11-11  Uros Bizjak  <ubizjak@gmail.com>

        PR target/78310
        * config/i386/i386.md (rotate to rotatex splitter): Avoid overflow
        when calculating operand 2.
        (rotate to rotatex zext splitter): Ditto.

2016-11-11  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        PR target/77822
        * config/s390/s390.md ("extzv", "*extzv<mode>_zEC12")
        ("*extzv<mode>_z10"): Check validity of zero_extend arguments.

2016-11-09  Uros Bizjak  <ubizjak@gmail.com>

        PR target/78262
        * config/i386/i386.md (*<shift_insn><mode>3_doubleword): Mark
        operand 0 as earlyclobber.
        (*ashl<mode>3_doubleword): Ditto for all operand 0 alternatives.

2016-11-07  Peter Bergner  <bergner@vnet.ibm.com>

        Backport from trunk
        2016-11-07  Peter Bergner  <bergner@vnet.ibm.com>

        * config.gcc (powerpc*-*-*, rs6000*-*-*): Remove setting of
        INCLUDE_EXTRA_SPEC for Advance Toolchain builds.

2016-11-06  Jack Howarth  <howarth.at.gcc@gmail.com>

        PR driver/78206
        * incpath.c: (remove_dup(): Also silently ignore EPERM.

2016-11-07  Richard Biener  <rguenther@suse.de>

        PR target/78229
        * config/i386/i386.c (ix86_gimple_fold_builtin): Do not adjust
        EH info.

2016-11-03  Martin Liska  <mliska@suse.cz>

        Backport from mainline
        2016-08-12  Martin Liska  <mliska@suse.cz>
        Adam Fineman  <afineman@afineman.com>

        * gcov.c (process_file): Create .gcov file when .gcda
        file is missing.

2016-11-03  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2016-09-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/77768
        * tree-ssa-sccvn.c (visit_reference_op_store): Properly deal
        with stores to a place we know has a constant value.
        * tree-vrp.c (set_defs_to_varying): New helper avoiding
        writing to vr_const_varying.
        (vrp_initialize): Call it.
        (vrp_visit_stmt): Likewise.
        (evrp_dom_walker::before_dom_children): Likewise.
        * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
        Handle stores to readonly memory when removing redundant stores.

2016-11-03  Eric Botcazou  <ebotcazou@adacore.com>

        Backport from mainline
        2016-10-17  Eric Botcazou  <ebotcazou@adacore.com>

        * explow.c (validize_mem): Do not modify the argument in-place.

2016-11-02  Will Schmidt  <will_schmidt@vnet.ibm.com>

        Backport from trunk
        2016-10-26  Will Schmidt <will_schmidt@vnet.ibm.com>

        PR middle-end/72747
        * gimplify.c (gimplify_init_constructor): Move emit of constructor
        assignment to earlier in the if/else logic.

2016-11-02  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2016-11-02  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/78047
        * tree-ssa-structalias.c (push_fields_onto_fieldstack): Initialize
        fake field at offset zero conservatively regarding to may_have_pointers.

        2016-10-07  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/77879
        * tree-ssa-structalias.c (handle_const_call): Properly handle
        NRV return slots.
        (handle_pure_call): Likewise.

        2016-10-06  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/77839
        * tree-ssa-sccvn.c (set_ssa_val_to): Forbid value -> constant value
        lattice transition.

        2016-09-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/77745
        * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
        When removing redundant stores make sure to check compatibility
        of the TBAA state for downstream accesses.
        * tree-ssa-sccvn.c (visit_reference_op_store): Likewise for when
        value-numbering virtual operands for store matches.

        2016-09-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/77648
        * tree-ssa-structalias.c (process_constraint): Handle all DEREF
        with complex RHS.
        (make_transitive_closure_constraints): Adjust comment.
        (make_any_offset_constraints): New function.
        (handle_rhs_call): Make sure to first expand a pointer to all
        subfields before transitively closing it.
        (handle_const_call): Likewise.  Properly expand returned
        pointers as well.
        (handle_pure_call): Likewise.

2016-11-01  John David Anglin  <danglin@gcc.gnu.org>

        PR target/78166
        * config/pa/pa.md: Add new shift/add patterns to handle
        (plus (mult (reg) (mem_shadd_operand)) (reg)) source operand.

2016-11-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        Backport from mainline
        2016-10-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR rtl-optimization/78038
        * ree.c (get_defs): Return NULL if a defining insn for REG cannot
        be deduced to set REG through the RTL structure.
        (make_defs_and_copies_lists): Return false on a failing get_defs call.

2016-10-29  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/pa.h (BIGGEST_ALIGNMENT): Adjust comment.
        (MALLOC_ABI_ALIGNMENT): Define.

2016-10-28  Richard Biener  <rguenther@suse.de>

        PR middle-end/78128
        PR middle-end/71002
        * fold-const.c (make_bit_field_ref): Only adjust alias set
        when the original alias set was zero.

2016-10-26  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2016-10-21  Jakub Jelinek  <jakub@redhat.com>

        PR target/78057
        * config/i386/i386.c: Include fold-const-call.h, tree-vrp.h
        and tree-ssanames.h.
        (ix86_fold_builtin): Fold IX86_BUILTIN_[LT]ZCNT{16,32,64}
        with INTEGER_CST argument.
        (ix86_gimple_fold_builtin): New function.
        (TARGET_GIMPLE_FOLD_BUILTIN): Define.

        Backport from mainline
        2016-10-20 Uros Bizjak  <ubizjak@gmail.com>

        PR target/78037
        * config/i386/bmiintrin.h (__tzcnt_u16): Call __builtin_ia32_tzcnt_u16.
        (__tzcnt_u32, _tzcnt_u32): Call __builtin_ia32_tzcnt_u32.
        (__tzcnt_u64, _tzcnt_u64): Call __builtin_ia32_tzcnt_u64.
        * config/i386/lzcntintrin.h (__lzcnt_u16): Call
        __builtin_ia32_lzcnt_u16.
        (__lzcnt_u32, _lzcnt_u32): Call __builtin_ia32_lzcnt_u32.
        (__lzcnt_u64, _lzcnt_u64): Call __builtin_ia32_lzcnt_u64.
        * config/i386/i386.md (UNSPEC_LZCNT, UNSPEC_TZCNT): New unspecs.
        (ctz<mode>2, *ctz<mode>2): Use SWI48 mode iterator.
        (bmi_tzcnt_<mode>): New expander.
        (*bmi_tzcnt_<mode>_falsedep_1): New define_insn_and_split pattern.
        (*bmi_tzcnt_<mode>_falsedep, *bmi_tzcnt_<mode>): New insn patterns.
        (clz<mode>2_lzcnt, *clz<mode>2_lzcnt): Use SWI48 mode iterator.
        (lzcnt_<mode>): New expander.
        (*lzcnt_<mode>_falsedep_1): New define_insn_and_split pattern.
        (*lzcnt_<mode>_falsedep, *lzcnt_<mode>): New insn patterns.
        * config/i386/i386-builtin-types.def (UINT_FTYPE_UINT): New.
        (UINT64_FTYPE_UINT64): New.
        * config/i386/i386-builtin.def (__builtin_clzs): Remove description.
        (__builtin_ia32_lzcnt_u16): New description.
        (__builtin_ia32_lzcnt_u32): Ditto.
        (__builtin_ia32_lzcnt_u64): Ditto.
        (__builtin_ctzs): Remove description.
        (__builtin_ia32_tzcnt_u16): New description.
        (__builtin_ia32_tzcnt_u32): Ditto.
        (__builtin_ia32_tzcnt_u64): Ditto.
        * config/i386/i386.c (ix86_expand_args_builtin): Handle
        UINT_FTYPE_UINT and UINT64_FTYPE_UINT64.

2016-10-25  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.h (wi::fits_to_tree_p): Accept only 0 and 1 for boolean types.
        * tree.c (int_fits_type_p): Likewise.  Adjust head comment.

2016-10-24  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        Backport from mainline
        2016-09-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR tree-optimization/77550
        * tree-vect-stmts.c (create_array_ref): Change parameters.
        (get_group_alias_ptr_type): New function.
        (vectorizable_store, vectorizable_load): Use get_group_alias_ptr_type.

2016-10-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        Backport from mainline
        2016-10-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR tree-optimization/77916
        * gimple-ssa-strength-reduction.c (create_add_on_incoming_edge):
        Don't allow a MINUS_EXPR for pointer arithmetic for either known
        or unknown strides.
        (record_increment): Increments of -1 for unknown strides just use
        a multiply initializer like other negative values.
        (analyze_increments): Remove stopgap solution for -1 increment
        applied to pointer arithmetic.
        (insert_initializers): Requirement of initializer for -1 should be
        based on pointer-typedness of the candidate basis.

2016-10-23  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sparc.md (cpu_feature): Minor tweak.
        (enabled): Likewise.
        (movsi_insn, movdi_insn_sp32, movdi_insn_sp64, movsf_insn,
        movdf_insn_sp32, movdf_insn_sp64, zero_extendsidi2_insn_sp64,
        sign_extendsidi2_insn, mov<VM32:mode>_insn, mov<VM64:mode>_insn_sp64,
        mov<VM64:mode>_insn_sp32, not_<code><mode>, nand<mode>_vis,
        <code>_not1<mode>_vi, <code>_not2<mode>_vis, one_cmpl<mode>2,
        fcmp<code><GCM:gcm_name>, pdistn<mode>_vis): Likewise.

2016-10-23  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sparc-c.c (sparc_target_macros): Replace TARGET_64BIT
        with TARGET_ARCH64.  Define __VIS to 0x400 if TARGET_VIS4.

2016-10-19  Uros Bizjak  <ubizjak@gmail.com>

        PR target/77991
        * config/i386/i386.c (legitimize_tls_address)
        <case TLS_MODEL_INITIAL_EXEC>: For TARGET_64BIT || TARGET_ANY_GNU_TLS
        convert dest to Pmode if different than Pmode.

2016-10-18  Kugan Vivekanandarajah  <kuganv@linaro.org>

        Backport from mainline
        2016-10-11  Kugan Vivekanandarajah  <kuganv@linaro.org>

        * tree-vrp.c (vrp_intersect_ranges_1): Allocate bitmap before
        copying.

2016-10-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        Backport from mainline
        2016-10-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR tree-optimization/77937
        * gimple-ssa-strength-reduction.c (analyze_increments): Use
        POINTER_TYPE_P on the candidate type to determine whether
        candidates in this chain require pointer arithmetic.

        2016-10-13  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR tree-optimization/77937
        * gimple-ssa-strength-reduction.c (analyze_increments): Set cost
        to infinite when we have a pointer with an increment of -1.

2016-10-17  Martin Liska  <mliska@suse.cz>

        Backported from mainline
        2016-10-13  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/77943
        * tree-ssa-tail-merge.c (merge_stmts_p): Do not merge BBs with
        a different EH landing pads.

2016-10-17  Eric Botcazou  <ebotcazou@adacore.com>

        PR bootstrap/77995
        Backport from mainline
        2016-10-11  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.h (build_complex_type): Add second parameter with default.
        * tree.c (build_complex_type): Add NAMED second parameter and adjust
        recursive call.  Create a TYPE_DECL only if NAMED is true.
        (build_common_tree_nodes): Pass true in calls to build_complex_type.

2016-10-16  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sparc.c (sparc_expand_vector_init): Only accept literal
        constants in CONST_VECTORs.

2016-10-15  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sparc.c (sparc_expand_vec_perm_bmask): Use a scratch
        register as destination of bmask.
        (vector_init_bshuffle): Likewise.
        * config/sparc/sparc.md (vec_perm_constv8qi): Likewise.
        (bmaskdi_vis): Enable only in 64-bit mode.

2016-10-13  Andrew Senkevich  <andrew.senkevich@intel.com>

        Backport from trunk
        * common/config/i386/i386-common.c (OPTION_MASK_ISA_PCOMMIT_UNSET,
        OPTION_MASK_ISA_PCOMMIT_SET): Deleted definitions.
        (ix86_handle_option): Deleted handle of OPT_mpcommit.
        * config.gcc: Deleted pcommitintrin.h
        * config/i386/pcommitintrin.h: Deleted file.
        * config/i386/cpuid.h (bit_PCOMMIT): Deleted.
        * config/i386/driver-i386.c (host_detect_local_cpu): Deleted pcommit
        detection.
        * config/i386/i386-c.c (ix86_target_macros_internal): Deleted define
        __PCOMMIT__.
        * config/i386/i386.c (ix86_target_string): Deleted -mpcommit.
        (PTA_PCOMMIT, IX86_BUILTIN_PCOMMIT, __builtin_ia32_pcommit): Deleted.
        (ix86_option_override_internal): Deleted handle of option.
        (ix86_valid_target_attribute_inner_p): Deleted pcommit.
        * config/i386/i386.h (TARGET_PCOMMIT, TARGET_PCOMMIT_P): Deleted.
        * config/i386/i386.md (unspecv): Deleted UNSPECV_PCOMMIT.
        (pcommit): Deleted instruction.
        * config/i386/i386.opt: Mention -mpcommit deprecation.
        * config/i386/x86intrin.h: Deleted inclusion of pcommitintrin.h.

2016-10-13  Tom de Vries  <tom@codesourcery.com>

        revert:
        2016-10-11  Tom de Vries  <tom@codesourcery.com>

        backport from trunk:
        2016-10-11  Tom de Vries  <tom@codesourcery.com>

        PR middle-end/77558
        * builtins.c (std_canonical_va_list_type): Remove RECORD_TYPE
        special-casing.

2016-10-11  Tom de Vries  <tom@codesourcery.com>

        backport from trunk:
        2016-10-11  Tom de Vries  <tom@codesourcery.com>

        PR middle-end/77558
        * builtins.c (std_canonical_va_list_type): Remove RECORD_TYPE
        special-casing.

2016-10-10  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/gen-avr-mmcu-texi.c (string.h): Include.

2016-10-06  Uros Bizjak  <ubizjak@gmail.com>

        PR target/77874
        * config/i386/sse.md (<mask_codefor><code><mode>3<mask_name>):
        Remove wrong assert.
        (<floatsuffix>float<sseintvecmodelower><mode>2<mask_name><round_name>:
        Use <round_constraint> as operand 1 constraint.

2016-10-06  James Clarke  <jrtc27@jrtc27.com>
            Eric Botcazou  <ebotcazou@adacore.com>

        PR target/77759
        * config/sparc/sparc.c (classify_data_t): Remove int_regs field.
        (classify_registers): Don't set it
        (function_arg_slotno): Don't initialize and test it.  Tidy up.

2016-10-04  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2016-09-29  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/driver-i386.c (host_detect_local_cpu): Check maximum
        ext_level before calling CPUID with 0x80000008.

        2016-09-29  Uros Bizjak  <ubizjak@gmail.com>

        PR target/77756
        * config/i386/cpuid.h (__get_cpuid_count): New.
        (__get_cpuid): Rename __level to __leaf.

2016-09-30  Michael Meissner  <meissner@linux.vnet.ibm.com>

        Back port from trunk

        2016-09-21  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/77670
        * config/rs6000/predicates.md (invert_fpmask_comparison_operator):
        New predicate that matches the ISA 3.0 XSCMP{EQ,GT,GE}DP
        instructions when you want to invert the test.
        * config/rs6000/rs6000.md (fpmask<mode>): Use the arguments in the
        correct order for XXSEL.
        (mov<SFDF:mode><SFDF2:mode>cc_invert_p9): Define the inverted test
        for using XSCMP{EQ,GT,GE}DP.

2016-09-28  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
            Alan Modra  <amodra@gmail.com>

        Backport from mainline
        2016-07-01  Alan Modra  <amodra@gmail.com>

        PR rtl-optimization/71709
        * ira-lives.c (find_call_crossed_cheap_reg): Exit loop on arg reg
        being set, not referenced.

2016-09-27  David Edelsohn  <dje.gcc@gmail.com>

        Backport from mainline
        2016-09-27  David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/rs6000.c (rs6000_output_symbol): Don't modify
        VAR_DECL string.

        2016-09-24  David Edelsohn  <dje.gcc@gmail.com>

        * configure.ac (gcc_cv_as_aix_dwloc): Fix typo in assembly fragment.
        * configure: Regenerate.

2016-09-27  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2016-09-01  Richard Biener  <rguenther@suse.de>

        PR middle-end/77436
        * tree-chrec.c (tree_fold_binomial): Use widest_int, properly
        check whether the result fits the desired result type.

        2016-09-19  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/77514
        * tree-ssa-pre.c (create_expression_by_pieces): Optimize
        search for folded stmt.

        2016-09-15  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/77514
        * tree-ssa-pre.c (create_expression_by_pieces): Handle garbage
        only forced_stmts sequence.

        2016-09-15  Richard Biener  <rguenther@suse.de>

        PR middle-end/77544
        * fold-const.c (split_tree): Do not split constant ~X.

        2016-09-19  Richard Biener  <rguenther@suse.de>

        PR middle-end/77605
        * tree-data-ref.c (analyze_subscript_affine_affine): Use the
        proper niter to bound the loops.

        2016-09-22  Richard Biener  <rguenther@suse.de>

        PR middle-end/77679
        * gimple-fold.c (fold_array_ctor_reference): Turn asserts into
        fold fails.

2016-09-25  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2016-09-21  Richard Biener  <rguenther@suse.de>
                    Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/77621
        * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Split
        group at non-vectorizable stmts.

        Backport from mainline
        2016-09-20  Uros Bizjak  <ubizjak@gmail.com>

        PR target/77621
        * config/i386/i386.c (ix86_preferred_simd_mode) <case DFmode>:
        Don't return word_mode for !TARGET_VECTORIZE_DOUBLE.
        (ix86_add_stmt_cost): Penalize DFmode vector operations
        for !TARGET_VECTORIZE_DOUBLE.

2016-09-22  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>

        Backport from 2016-09-22 trunk r240388.

        * config/avr/avr.c (avr_rtx_costs_1): Handle DImode MULT.
        (avr_address_cost): Replace 61 with MAX_LD_OFFSET(mode).

2016-09-21  Segher Boessenkool  <segher@kernel.crashing.org>

        * doc/rtl.texi (JUMP_LABEL): Document RETURN and SIMPLE_RETURN values.

2016-09-21  Georg-Johann Lay  <avr@gjlay.de>

        Backport from 2016-09-21 trunk r240306.

        PR target/77326
        * config/avr/avr.c (avr_notice_update_cc) [CC_NONE]: If insn
        touches some regs mentioned in cc_status, do CC_STATUS_INIT.

2016-09-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        Backport from mainline
        2016-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * lra-constraints.c (match_reload): Pass information about other
        output operands.  Create new unique register value if matching input
        operand shares same register value as output operand being considered.
        (curr_insn_transform): Record output operands already processed.

2016-09-16  Jonathan Wakely  <jwakely@redhat.com>

        * doc/extend.texi (Integer Overflow Builtins): Fix type of out
        parameters for functions taking long long arguments.

2016-09-16  David Edelsohn  <dje.gcc@gmail.com>

        Backported from mainline
        2016-08-26  David Edelsohn  <dje.gcc@gmail.com>

        PR target/77349
        * config/rs6000/xcoff.h (DWARF_OFFSET_SIZE): Define as PTR_SIZE.

2016-09-16  Jakub Jelinek  <jakub@redhat.com>
            Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/77594
        * internal-fn.c (expand_arith_overflow) <case MINUS_EXPR>: Don't fall
        through into expand_addsub_overflow after expand_neg_overflow.

2016-09-16  Jakub Jelinek  <jakub@redhat.com>

        Backported from mainline
        2016-09-14  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/68260
        * tsan.c: Include target.h.
        (enum tsan_atomic_action): Add bool_clear and bool_test_and_set.
        (BOOL_CLEAR, BOOL_TEST_AND_SET): Define.
        (tsan_atomic_table): Add BUILT_IN_ATOMIC_CLEAR and
        BUILT_IN_ATOMIC_TEST_AND_SET entries.
        (instrument_builtin_call): Handle bool_clear and bool_test_and_set.

        2016-09-08  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/77516
        * omp-low.c (lower_rec_simd_input_clauses): Use max_vf for non-positive
        OMP_CLAUSE_SAFELEN_EXPR.

        2016-09-06  Jakub Jelinek  <jakub@redhat.com>

        PR target/69255
        * config/i386/i386.c (ix86_expand_builtin): For builtin with
        unsupported or unknown ISA, use expand_call.

2016-09-06  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2016-09-05  Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/77452
        * explow.c (plus_constant) <case MEM>: Extract scalar constant from
        inner-mode reference to a CONST_VECTOR constant in the constant pool.

2016-09-01  Jakub Jelinek  <jakub@redhat.com>

        Backported from mainline
        2016-08-30  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/72866
        * tree-vect-patterns.c (search_type_for_mask): Turn into
        a small wrapper, move all code to ...
        (search_type_for_mask_1): ... this new function.  Add caching
        and adjust recursive calls.

        PR debug/77363
        * dwarf2out.c (modified_type_die): Use lookup_type_die (type)
        instead of lookup_type_die (type_main_variant (type)) even for array
        types.

        PR middle-end/77377
        * simplify-rtx.c (avoid_constant_pool_reference): For out of bounds
        constant pool reference return x instead of c.

        2016-08-19  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/t-i386 (i386-c.o): Don't depend on
        i386-builtin-types.inc.
        (i386.o): Depend on i386-builtin-types.inc.

        2016-08-17  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/77259
        * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children): If
        turning a call into __builtin_unreachable-like noreturn call, adjust
        gimple_call_set_fntype.
        * tree-cfgcleanup.c (fixup_noreturn_call): Remove lhs also if
        gimple_call_fntype has void return type.

        2016-08-16  Jakub Jelinek  <jakub@redhat.com>

        PR target/71910
        * tree-cfg.c (execute_fixup_cfg): Add node variable, use it.  Before inlining,
        add cgraph edge for the added __builtin_unreachable call.

2016-09-01  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/extend.texi (SPU Built-in Functions): Remove stale
        references to material formerly at IBM and Sony.

2016-09-01  Matthew Wahab  <matthew.wahab@arm.com>

        PR target/77281
        * config/arm/arm.c (neon_valid_immediate): Delete declaration.
        Use const_vec_duplicate to check for duplicated elements.

2016-09-01  Eric Botcazou  <ebotcazou@adacore.com>

        * config/i386/i386.c (ix86_option_override_internal): Also disable the
        STV pass if -mstackrealign is enabled.

2016-08-31  Patrick Palka  <ppalka@gcc.gnu.org>

        Backport from mainline
        2016-08-27  Patrick Palka  <ppalka@gcc.gnu.org>

        PR tree-optimization/71077
        PR tree-optimization/68542
        * fold-const.c (fold_relational_const): Fix folding of
        VECTOR_CST comparisons that have a scalar boolean result type.

2016-08-31  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Binaries): www.opencsw.org now uses https.

2016-08-31  Jakub Sejdak  <jakub.sejdak@phoesys.com>

        * config.gcc: Add support for arm*-*-phoenix* targets.
        * config/arm/t-phoenix: New.
        * config/phoenix.h: New.

2016-08-29  Uros Bizjak  <ubizjak@gmail.com>

        PR target/77403
        * config/i386/sse.md (vec_set_lo_<mode><mask_name>): Fix assembler
        template for intel asm dialect.
        (vec_set_hi_<mode><mask_name>): Ditto.

2016-08-29  Eric Botcazou  <ebotcazou@adacore.com>

        * Makefile.in (gcov-iov.h): Add dummy recipe.

2016-08-28  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2016-08-23  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>

        * config/i386/i386.c (processor_alias_table): Enable PTA_PRFCHW
        for targets amdfam10 and barcelona.

        Backport from mainline
        2016-08-21  Uros Bizjak  <ubizjak@gmail.com>

        PR target/77270
        * config/i386/i386.md (prefetch): When TARGET_PRFCHW or
        TARGET_PREFETCHWT1 are disabled, emit 3dNOW! write prefetches for
        non-SSE2 athlons only, otherwise prefer SSE prefetches.

        Backport from mainline
        2016-08-19  Uros Bizjak  <ubizjak@gmail.com>

        PR target/77270
        * config/i386/i386.c (ix86_option_override_internal): Remove
        PTA_PRFCHW from entries that also have PTA_3DNOW flag.
        Enable SSE prefetch also for TARGET_PREFETCHWT1.
        Do not try to enable TARGET_PRFCHW ISA flag here.
        * config/i386/i386.md (prefetch): Enable also for TARGET_3DNOW.
        Rewrite expander function body.
        (*prefetch_3dnow): Enable for TARGET_3DNOW and TARGET_PREFETCHWT1.

2016-08-28  Tom de Vries  <tom@codesourcery.com>

        backport from trunk:
        2016-08-28  Tom de Vries  <tom@codesourcery.com>

        PR lto/70955
        * config/i386/i386.c (ix86_build_builtin_va_list_64): Tag type with
        'sysv_abi va_list' attribute.
        (ix86_build_builtin_va_list): Tag type with 'ms_abi va_list' attribute.
        (ix86_canonical_va_list_type): Handle 'sysv_abi/ms_abi va_list'
        attributes.

2016-08-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        Backport from mainline
        2016-08-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR target/72863
        * vsx.md (vsx_load_<mode>): For P8LE, emit swaps at expand time.
        (vsx_store_<mode>): Likewise.

2016-08-24  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2016-08-17  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/76490
        * tree-vrp.c (update_value_range): Preserve overflow infinities
        when intersecting with ranges from get_range_info.
        (operand_less_p): Handle overflow infinities correctly.
        (value_range_constant_singleton): Use vrp_operand_equal_p
        to handle overflow max/min correctly.
        (vrp_valueize): Likewise.
        (union_ranges): Likewise.
        (intersect_ranges): Likewise.

2016-08-24  Sebastian Huber  <sebastian.huber@embedded-brains.de>

        * config/arm/t-rtems: Add vfp multilib.

2016-08-23  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2016-08-16  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/76783
        * tree-ssa-propagate.c (ssa_prop_init): Use RPO order.  Clear
        BB visited flags at start.

        2016-08-12  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/72851
        * tree-ssa-propagate.c: Include cfganal.h.  Rewrite block and stmt
        worklists to use bitmaps indexed in execution order.
        (executable_blocks, cfg_blocks_num, cfg_blocks_tail, cfg_blocks_head,
        bb_in_list, interesting_ssa_edges, varying_ssa_edges): Remove.
        (cfg_blocks): Make a bitmap.
        (bb_to_cfg_order, cfg_order_to_bb, ssa_edge_worklist, uid_to_stmt):
        New globals.
        (cfg_blocks_empty_p): Adjust.
        (cfg_blocks_add): Likewise.
        (cfg_blocks_get): Likewise.
        (add_ssa_edge): Likewise.
        (add_control_edge): Likewise.
        (simulate_stmt): Likewise.
        (process_ssa_edge_worklist): Likewise.
        (simulate_block): Likewise.
        (ssa_prop_init): Compute PRE order and stmt UIDs.
        (ssa_prop_fini): Adjust.
        (ssa_propagate): Adjust.

2016-08-22  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2016-08-15  Uros Bizjak  <ubizjak@gmail.com>

        PR target/72867
        * config/i386/sse.md (<code><mode>3<mask_name><round_saeonly_name>):
        Emit ieee_<ieee_maxmin><mode>3<mask_name><round_saeonly_name>
        for !flag_finite_math_only or flag_signed_zeros.
        (*<code><mode>3<mask_name><round_saeonly_name>): Rename from
        *<code><mode>3_finite<mask_name><round_saeonly_name>.  Do not
        depend on flag_finite_math_only.
        (ieee_<ieee_maxmin><mode>3<mask_name><round_saeonly_name>):
        New insn pattern.
        (*<code><mode>3<mask_name><round_saeonly_name>): Remove.
        (*ieee_smin<mode>3): Ditto.
        (*ieee_smax<mode>3): Ditto.
        * config/i386/mmx.md (mmx_<code>v2sf3): Emit
        mmx_ieee_<ieee_maxmin>v2sf3 for !flag_finite_math_only or
        flag_signed_zeros.
        (*mmx_<code>v2sf3): Rename from *mmx_<code>v2sf3_finite.  Do not
        depend on flag_finite_math_only.
        (mmx_ieee_<ieee_maxmin>v2sf3): New insn pattern.
        (*mmx_<code>v2sf3): Remove.
        * config/i386/subst.md (round_saeonly_mask_arg3): New subst attribute.
        * config/i386/i386.c (ix86_expand_sse_fp_mimnax): Check
        flag_signed_zeros instead of !flag_unsafe_math_optimizations.

2016-08-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        Backport from mainline
        2016-07-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR middle-end/71700
        * expr.c (store_constructor): Mask sign-extended bits when widening
        sub-word constructor element at the start of a word.

2016-08-22  Richard Biener  <rguenther@suse.de>

        * BASE-VER: Set to 6.2.1.

2016-08-22  Release Manager

        * GCC 6.2.0 released.

2016-08-18  Chung-Lin Tang  <cltang@codesourcery.com>

        Backport from mainline
        2016-08-18  Chung-Lin Tang  <cltang@codesourcery.com>

        PR middle-end/70895
        * gimplify.c (omp_add_variable): Adjust/add variable mapping on
        enclosing parallel construct for reduction variables on OpenACC loop
        directives.

2016-08-18  Oleg Endo  <olegendo@gcc.gnu.org>

        Backport from mainline
        2016-06-17  DJ Delorie  <dj@redhat.com>

        PR target/71338
        * config/rl78/rl78-expand.c (umulqihi3): Enable for G10.
        * config/rl78/rl78-virtual.c (umulhi3_shift_virt): Likewise.
        (umulqihi3_virt): Likewise.
        * config/rl78/rl78-real.c (umulhi3_shift_real): Likewise.
        (umulqihi3_real): Likewise.

2016-08-16  Eric Botcazou  <ebotcazou@adacore.com>

        * doc/install.texi (*-*-solaris2*): Adjust latest change.

2016-08-15  Martin Liska  <mliska@suse.cz>

        Backported from mainline
        2016-08-15  Martin Liska  <mliska@suse.cz>

        PR driver/72765
        * gcc.c (do_spec_1): Call save_string with the right size.

2016-08-15  Jakub Jelinek  <jakub@redhat.com>

        PR debug/71906
        * dwarf2out.c (string_types): New variable.
        (gen_array_type_die): Change early_dwarf handling of
        DW_AT_string_length, create DW_OP_call4 referencing the
        length var temporarily.  Handle parameters that are pointers
        to string length.
        (adjust_string_types): New function.
        (gen_subprogram_die): Temporarily set string_types to local var,
        call adjust_string_types if needed.
        (non_dwarf_expression, copy_deref_exprloc, optimize_string_length):
        New functions.
        (resolve_addr): Adjust DW_AT_string_length if it is DW_OP_call4.

2016-08-15  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/73434
        * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address): Preserve
        TBAA info on the base when forwarding a non-invariant address.

2016-08-15  Eric Botcazou  <ebotcazou@adacore.com>

        * doc/install.texi (*-*-solaris2*): Fix version number and document
        requirement on GNU make for building libjava with the Solaris linker.

2016-08-15  Martin Liska  <mliska@suse.cz>
            Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/72824
        * tree-loop-distribution.c (const_with_all_bytes_same)
        <case VECTOR_CST>: Fix a typo.

2016-08-14  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2016-08-14  Uros Bizjak  <ubizjak@gmail.com>

        PR target/76342
        * config/i386/avx512fintrin.h (_mm512_undefined_epi32):
        Renamed from _mm512_undefined_si512.
        (_mm_undefined_si512): New definition.

        Backport from mainline:
        2016-08-09  David Wohlferd  <dw@LimeGreenSocks.com>

        * config/i3836/avx512fintrin.h (_mm512_cvtsepi64_epi32): Remove
        unused variable __O.

        Backport from mainline:
        2016-08-09  Uros Bizjak  <ubizjak@gmail.com>

        PR target/72843
        * config/i386/i386.md (*movtf_internal): Use
        lra_in_progress || reload_completed instead of !can_create_pseudo_p
        in the insn constraint.
        (*movxf_internal): Ditto.
        (*movdf_internal): Ditto.
        (*movsf_internal): Ditto.

2016-08-12  Jakub Jelinek  <jakub@redhat.com>

        PR c/71512
        * ubsan.c (instrument_si_overflow): Pass true instead of false
        to gsi_replace.
        (pass_ubsan::execute): Call gimple_purge_dead_eh_edges at the end
        of bbs.  Return TODO_cleanup_cfg if any returned true.

2016-08-12  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        Backport from mainline
        2016-08-11  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR tree-optimization/71083
        * tree-predcom.c (ref_at_iteration): Correctly align the
        reference type.

2016-08-12  James Greenhalgh  <james.greenhalgh@arm.com

        Backport from mainline
        2016-08-05  James Greenhalgh  <james.greenhalgh@arm.com>

        PR Target/72819
        * config/aarch64/aarch64.h (aarch64_fp16_type_node): Declare.
        (aarch64_fp16_ptr_type_node): Likewise.
        * config/aarch64/aarch64-simd-builtins.c
        (aarch64_fp16_ptr_type_node): Define.
        (aarch64_init_fp16_types): New, refactored out of...
        (aarch64_init_builtins): ...here, update to call
        aarch64_init_fp16_types.
        * config/aarch64/aarch64.c (aarch64_gimplify_va_arg_expr): Handle
        HFmode.
        (aapcs_vfp_sub_candidate): Likewise.

2016-08-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        Backport from mainline
        2016-08-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390-builtin-types.def: Add INT128 types.
        * config/s390/s390-builtins.def: Add INT128 variants for the add
        sub low-level builtins dealing with TImode.
        * config/s390/s390.c (s390_expand_builtin): Allow mode conversions
        via subreg when expanding a builtin.
        * config/s390/s390.md: Remove UNSPEC_VEC_ADDC_U128,
        UNSPEC_VEC_SUB_U128, and UNSPEC_VEC_SUBC_U128 constants.
        Fix comment.
        * config/s390/vecintrin.h: Adjust builtin names accordingly.
        * config/s390/vx-builtins.md ("vec_add_u128"): Remove expander.
        ("vec_addc<mode>", "vec_addc_u128"): Merge to
        "vacc<bhfgq>_<mode>".
        ("vec_adde_u128"): Rename to "vacq". Change mode to TImode.
        ("vec_addec_u128"): Rename to "vacccq". Change mode to TImode.
        ("vec_subc<mode>", "vec_subc_u128"): Merge to
        "vscbi<bhfgq>_<mode>".
        ("vec_sube_u128"): Rename to "vsbiq". Change mode to TImode.
        ("vec_subec_u128"): Rename to "vsbcbiq". Change mode to TImode.

2016-08-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        Backport from mainline
        2016-08-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390-builtins.def: Mark last operand of s390_vlvg*
        and s390_vlgv* builtins as element selector.

2016-08-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        Backport from mainline
        2016-07-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_expand_vec_init): Force initializer
        element to register if it doesn't match general_operand.

2016-08-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        Backport from mainline
        2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/vecintrin.h: Fix file description in comment.

2016-08-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        Backport from mainline
        2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390-builtin-types.def: Change builtin type naming
        scheme to match builtin-types.def.

2016-08-10  Michael Meissner  <meissner@linux.vnet.ibm.com>

        Backport from mainline
        2016-08-10  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/72853
        * config/rs6000/rs6000.c (mem_operand_ds_form): Add check for op
        being an offsettable address.

2016-08-10  Jakub Jelinek  <jakub@redhat.com>

        Backported from mainline
        2016-08-09  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/72824
        * tree-loop-distribution.c (const_with_all_bytes_same): Verify
        real_zerop is not negative.

2016-08-09  Martin Jambor  <mjambor@suse.cz>

        PR ipa/71981
        * ipa-polymorphic-call.c (get_dynamic_type): Bail out gracefully
        if instance is a MEM_REF.

2016-08-09  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2016-08-09  Richard Biener  <rguenther@suse.de>

        PR ipa/68273
        * ipa-prop.c (ipa_modify_formal_parameters): Build
        parameter types with natural alignment also for the
        over-aligned case.

        2016-07-15  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/71881
        * tree-loop-distribution.c (destroy_loop): Remove blocks in
        reverse DOM order to make debug temp generation happy.

2016-08-09  Alan Modra  <amodra@gmail.com>

        PR target/72802
        * config/rs6000/rs6000.md (mov<mode>_hardfloat): Sort
        alternatives.  Put loads first, then stores, and reg/reg moves
        within same class later.  Delete attr length.

2016-08-09  Alan Modra  <amodra@gmail.com>

        PR target/72802
        * config/rs6000/rs6000.c (mem_operand_gpr): Remove vsx dform test.
        (mem_operand_ds_form): New predicate.
        * config/rs6000/rs6000-protos.h (mem_operand_ds_form): Declare.
        * config/rs6000/constraints.md (wY): New constraint.
        * config/rs6000/rs6000.md (f32_lm2, f32_sm2): Use wY for SF.
        (extendsfdf2_fpr): Replace o constraint with wY.

2016-08-08  Georg-Johann Lay  <avr@gjlay.de>

        Backport from 2016-07-29 trunk r238863.

        PR rtl-optimization/71976
        * combine.c (get_last_value): Return 0 if the argument for which
        the function is called has a wider mode than the recorded value.

2016-08-04  Michael Meissner  <meissner@linux.vnet.ibm.com>

        Backport from trunk
        2016-07-26  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/71869
        * config/rs6000/rs6000.c (rs6000_generate_compare): Rework
        __float128 support when we don't have hardware support, so that
        the IEEE built-in functions like isgreater, first call __unordkf3
        to make sure neither operand is a NaN, and if both operands are
        ordered, do the normal comparison.

2016-08-04  Uros Bizjak  <ubizjak@gmail.com>

        PR target/72805
        * config/i386/avx512fintrin.h (_mm512_cmp_epi32_mask) [!__OPTIMIZE__]:
        Cast builtin function result to __mmask16 instead of __mmask8.
        (_mm512_cmp_epu32_mask) [!__OPTIMIZE__]: Ditto.
        (_mm512_mask_cmp_epi32_mask) [!__OPTIMIZE__]: Ditto.
        (_mm512_mask_cmp_epu32_mask) [!__OPTIMIZE__]: Ditto.

2016-08-03  Georg-Johann Lay  <avr@gjlay.de>

        PR 70677
        * common/config/avr/avr-common.c (avr_option_optimization_table)
        [OPT_LEVELS_ALL]: Turn off -fcaller-saves.

2016-08-01  Georg-Johann Lay  <avr@gjlay.de>

        Backport from 2016-08-01 trunk r238948.

        PR target/72767
        * config/avr/avr.md (length) [branch]: Correct insn length
        attribute for forward branches.

2016-08-01  Georg-Johann Lay  <avr@gjlay.de>

        Backport from 2016-06-16 trunk r237536.
        2016-06-16  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>

        PR target/71151
        * config/avr/avr.c (avr_asm_init_sections): Remove setup of
        progmem_swtable_section.
        (progmem_swtable_section): Remove.
        (avr_asm_function_rodata_section): Remove.
        (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
        * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION): Define to 1.

2016-07-29  Marek Polacek  <polacek@redhat.com>

        Backport from mainline
        2016-07-29  Marek Polacek  <polacek@redhat.com>

        PR c/7652
        * config/rs6000/rs6000.c (altivec_expand_ld_builtin): Add break.
        (altivec_expand_st_builtin): Likewise.
        * config/i386/i386.c (ix86_expand_args_builtin): Likewise.
        (ix86_expand_round_builtin): Likewise.

2016-07-27  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/71216
        * config/rs6000/rs6000.c (rs6000_file_start): Fix condition for
        when to emit a ".machine" pseudo-op.

2016-07-26  Alan Modra  <amodra@gmail.com>

        PR target/72103
        * config/rs6000/rs6000.c (rs6000_secondary_reload): Initialize
        sri->t_icode.

2016-07-21  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/71953
        * asan.c (asan_dynamic_init_call): Call asan_init_shadow_ptr_types
        before builtin_decl_implicit.

        * tree-object-size.c (unknown): Use HOST_WIDE_INT_M1U instead of -1.

2016-07-21  Andrew Sutton  <andrew.n.sutton@gmail.com>

        Improving concepts performance and diagnostics.
        * timevar.def (TV_CONSTRAINT_SAT, TV_CONSTRAINT_SUB): New time vars
        for constraint satisfaction and subsumption.
        * timevar.h (auto_timevar): New constructor that matches the push/pop
        pattern of usage in pt.c.

2016-07-20  John David Anglin  <danglin@gcc.gnu.org>

        Backport from mainline
        2016-07-16  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/pa.c (hppa_profile_hook): Allocate stack space for
        register parameters.  Remove code to initialize argument pointer
        on TARGET_64BIT.  Optimize call to _mcount when it can be reached
        using a pc-relative branch.  Cleanup conditional code.
        * config/pa/pa.md (call_mcount): New expander.
        (call_mcount_nonpic): New insn.
        (call_mcount_pic): New insn and split.
        (call_mcount_pic_post_reload): New insn.
        (call_mcount_64bit): New insn and split.
        (call_mcount_64bit_post_reload): New insn.

2016-07-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        Backport from mainline
        2016-07-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_encode_section_info): Remove mode size
        check.

2016-07-20  Martin Jambor  <mjambor@suse.cz>

        PR fortran/71688
        * trans-decl.c (gfc_generate_function_code): Use get_create rather
        than create to get a call graph node.

2016-07-19  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/71916
        * cfgrtl.c (contains_no_active_insn_p): Return false also for
        bb which have a single succ fake edge.

2016-07-19  Aldy Hernandez  <aldyh@redhat.com>

        PR debug/71855
        * dwarf2out.c (gen_subprogram_die): Only call
        gen_unspecified_parameters_die while dumping early dwarf.

2016-07-19  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/71874
        * gimple-fold.c (fold_builtin_memory_op): Use
        get_addr_base_and_unit_offset instead of get_ref_base_and_extent.

2016-07-18  Michael Meissner  <meissner@linux.vnet.ibm.com>

        Back port from mainline
        2016-07-18  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/71493
        * config/rs6000/rs6000.c (rs6000_function_value): Fix
        unintentional System V.4 structure return breakage for structures
        with a single floating point element.

2016-07-18  Martin Liska  <mliska@suse.cz>

        Backported from mainline
        2016-07-12  Martin Liska  <mliska@suse.cz>

        PR rtl-optimization/71634
        * ira-build.c (mark_loops_for_removal): Properly iterate
        loops.

2016-07-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        Backport from mainline
        2016-07-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_encode_section_info): Always set
        notaligned marker if mode size is 0 or no MEM_ALIGN info could be
        found.

2016-07-15  Alan Modra  <amodra@gmail.com>

        Apply from mainline
        2016-07-11  Alan Modra  <amodra@gmail.com>
        * config/rs6000/rs6000.md (UNSPEC_DOLOOP): New unspec.
        (ctr<mode>): Add unspec.
        (ctr<mode>_internal*): Likewise.

2016-07-14  Alan Modra  <amodra@gmail.com>

        PR target/71733
        * config/rs6000/rs6000.c (rs6000_option_override_internal): Deal
        with p9_vector override before power9-dform override.

2016-07-13  Ilya Enkovich  <ilya.enkovich@intel.com>

        Backport from mainline r238086.
        2016-07-07  Ilya Enkovich  <ilya.enkovich@intel.com>

        PR ipa/71624
        * ipa-inline-analysis.c (compute_inline_parameters): Set
        local.can_change_signature to false for intrumentation
        thunk callees.

2016-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
            Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        Backport from mainline
        2016-07-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
                    Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000-protos.h (rs6000_split_signbit): New
        prototype.
        * config/rs6000/rs6000.c (rs6000_split_signbit): New function.
        * config/rs6000/rs6000.md (UNSPEC_SIGNBIT): New constant.
        (SIGNBIT): New mode iterator.
        (Fsignbit): New mode attribute.
        (signbit<mode>2): Change operand1 to match FLOAT128 instead of
        IBM128; dispatch to gen_signbit{kf,tf}2_dm for __float128
        when direct moves are available.
        (signbit<mode>2_dm): New define_insn_and_split).
        (signbit<mode>2_dm2): New define_insn.

2016-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

        Backport from mainline
        2016-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/71805
        * config/rs6000/altivec.md (altivec_vperm_<mode>_internal):
        The xxperm and xxpermr instructions require that the 2nd input
        operand overlap with the output operand, and not the 1st.
        (altivec_vperm_v8hiv16qi): Likewise.
        (altivec_vperm_<mode>_uns_internal): Likewise.
        (altivec_vpermr_<mode>_internal): Likewise.
        (vperm_v8hiv4si): Likewise.
        (vperm_v16qiv8hi): Likewise.

2016-07-12  Segher Boessenkool  <segher@kernel.crashing.org>

        Backport from mainline
        2016-07-06  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/70098
        PR target/71763
        * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
        *ctr<mode>_internal5, *ctr<mode>_internal6): Add *wi to the output
        constraint.

2016-07-11  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/71758
        * omp-low.c (expand_omp_target): Gimplify device.

        PR tree-optimization/71823
        * tree-vect-stmts.c (vectorizable_operation): Use vect_get_vec_defs
        to get vec_oprnds2 from op2.

2016-07-11  Yuri Rumyantsev  <ysrumyan@gmail.com>

        Backport from mainline r238055.
        2016-07-06  Yuri Rumyantsev  <ysrumyan@gmail.com>

        PR tree-optimization/71518
        * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Adjust
        misalign also for outer loops with negative step.

2016-07-08  Martin Liska  <mliska@suse.cz>

        Backported from mainline
        2016-07-08  Martin Liska  <mliska@suse.cz>

        PR middle-end/71606
        * fold-const.c (fold_convertible_p): As COMPLEX_TYPE
        folding produces SAVE_EXPRs, thus return false for the type.

2016-07-08  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): Remove
        redundant and erroneous definition of this macro accidentally
        inserted during backporting.
        (BU_P9_64BIT_MISC_0): Likewise.
        (BU_P9_MISC_0): Likewise.

2016-07-08  Jiong Wang  <jiong.wang@arm.com>

        Back port from the trunk
        2016-07-08  Jiong Wang  <jiong.wang@arm.com>

        * config/aarch64/aarch64-simd-builtins.def (smax): Remove float
        variants.
        (smin): Likewise.
        (fmax): New entry.
        (fmin): Likewise.
        * config/aarch64/arm_neon.h (vmaxnm_f32): Use
        __builtin_aarch64_fmaxv2sf.
        (vmaxnmq_f32): Likewise.
        (vmaxnmq_f64): Likewise.
        (vminnm_f32): Likewise.
        (vminnmq_f32): Likewise.
        (vminnmq_f64): Likewise.

2016-07-08  Michael Meissner  <meissner@linux.vnet.ibm.com>

        Back port from trunk
        2016-07-08  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/71806
        * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Do not
        enable -mfloat128-hardware by default.
        (ISA_3_0_MASKS_IEEE): New macro to give all of the VSX options
        that IEEE 128-bit hardware support needs.
        * config/rs6000/rs6000.c (rs6000_option_override_internal): If
        -mcpu=power9 -mfloat128, enable -mfloat128-hardware by default.
        Use ISA_3_0_MASKS_IEEE as the set of options that IEEE 128-bit
        floating point requires.
        * doc/invoke.texi (RS/6000 and PowerPC Options): Document
        -mfloat128 and -mfloat128-hardware changes.

2016-07-08  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        Backport from mainline r237912
        2016-07-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        * config/rs6000/altivec.md (*altivec_vpermr_<mode>_internal):
        Exchange the order of the second and third operands in the vpermr
        instruction tmeplate.

2016-07-07  Michael Meissner  <meissner@linux.vnet.ibm.com>

        Back port from the trunk
        2016-07-01  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/71720
        * config/rs6000/vsx.md (vsx_splat_v4sf_internal): When splitting
        the insns, use an insn form that does not adjust the offset on
        little endian systems.

2016-07-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        Backport from mainline r237885
        2016-06-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        * config/rs6000/altivec.md (darn_32): Change the condition to
        TARGET_P9_MISC instead of TARGET_MODULO.
        (darn_raw): Replace TARGET_MODULO with TARGET_P9_MISC in the
        condition expression.
        (darn): Replace TARGET_MODULO with TARGET_P9_MISC in the
        condition expression.
        * config/rs6000/dfp.md (UNSPEC_DTSTSFI): New unspec constant.
        (DFP_TEST): New code iterator.
        (dfptstsfi_<code>_mode>): New define_expand.
        (*dfp_sgnfcnc_<mode>): New define_insn.
        * config/rs6000/rs6000-builtin.def (BU_P9_MISC_0): Move this macro
        definition next to BU_P9_MISC_1 definition and change the MASK
        value to RS6000_BTM_P9_MISC.
        (BU_P9_MISC_1): Change the MASK value to RS6000_BTM_P9_MISC.
        (BU_P9_64BIT_MISC_0): Likewise.
        (BU_P9_DFP_MISC_0): New macro definition.
        (BU_P9_DFP_MISC_1): New macro definition.
        (BU_P9_DFP_MISC_2): New macro definition.
        (BU_P9_DFP_OVERLOAD_1): New macro definition.
        (BU_P9_DFP_OVERLOAD_2): New macro definition.
        (BU_P9_DFP_OVERLOAD_3): New macro definition.
        (TSTSFI_LT_DD): New BU_P9_DFP_MISC_2.
        (TSTSFI_LT_TD): Likewise.
        (TSTSFI_EQ_DD): Likewise.
        (TSTSFI_EQ_TD): Likewise.
        (TSTSFI_GT_DD): Likewise.
        (TSTSFI_GT_TD): Likewise.
        (TSTSFI_OV_DD): Likewise.
        (TSTSFI_OV_TD): Likewise.
        (TSTSFI_LT): New BU_P9_DFP_OVERLOAD_2.
        (TSTSFI_LT_DD): Likewise.
        (TSTSFI_LT_TD): Likewise.
        (TSTSFI_EQ): Likewise.
        (TSTSFI_EQ_DD): Likewise.
        (TSTSFI_EQ_TD): Likewise.
        (TSTSFI_GT): Likewise.
        (TSTSFI_GT_DD): Likewise.
        (TSTSFI_GT_TD): Likewise.
        (TSTSFI_OV): Likewise.
        (TSTSFI_OV_DD): Likewise.
        (TSTSFI_OV_TD): Likewise.
        * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
        overloaded test significance functions.
        * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
        OPTION_MASK_P9_MISC into the representation of this mask.
        (POWERPC_MASKS): Add OPTION_MASK_P9_MISC into the representation
        of this mask.
        * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Set the
        RS6000_BTM_P9_MISC flag in the return value if TARGET_P9_MISC is
        non-zero.
        (rs6000_expand_binop_builtin): Enforce that argument 0 of the exp
        argument is a 6-bit unsigned literal value if the icode argument
        represents a DFP test significance built-in call.
        (rs6000_invalid_builtin): Add support for the RS6000_BTM_P9_MISC
        flag used independently and in combination with the
        RS6000_BTM_64BIT flag.
        (rs6000_opt_masks): Add entry for power9-misc command-line option.
        (rs6000_builtin_mask_names): Add entry for power9-misc
        command-line option.
        * config/rs6000/rs6000.h: Redefine TARGET_P9_MISC as 0 if
        HAVE_AS_POWER9 is not a defined macro.  Define MASK_P9_MISC and
        RS6000_BTM_P9_MISC macros.
        * config/rs6000/rs6000.opt: Add support for the -mpower9-misc
        option and change the description of the -mpower9-vector option to
        enable only vector instructions, removing its erroneously claimed
        support for scalar instructions.
        * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
        the ISA 3.0 digital floating point test significance built-in
        functions.

2016-07-07  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2016-06-13  Richard Biener  <rguenther@suse.de>

        PR middle-end/64516
        * fold-const.c (fold_unary_loc): Preserve alignment when
        folding a VIEW_CONVERT_EXPR into a MEM_REF.

2016-07-07  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2016-05-25  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/71264
        * tree-vect-stmts.c (vect_init_vector): Properly deal with
        vector type val.

        2016-06-07  Richard Biener  <rguenther@suse.de>

        PR middle-end/71423
        * match.pd ((X | ~Y) -> Y <= X): Properly invert the comparison
        for signed ops.

        2016-06-14  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/71521
        * tree-vrp.c (extract_range_from_binary_expr_1): Guard
        division int_const_binop against zero divisor.

        2016-06-08  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/71452
        * tree-ssa.c (non_rewritable_lvalue_p): Make sure that the
        type used for the SSA rewrite has enough precision to cover
        the dynamic type of the location.

        2016-06-14  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/71522
        * tree-ssa.c (non_rewritable_lvalue_p): Do not rewrite non-float
        copying into float copying.

2016-07-06  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>

        Backport from mainline
        2016-07-06  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>

        PR target/50739
        * config/avr/avr.c (avr_asm_select_section): Strip off
        SECTION_DECLARED from flags when calling get_section.

2016-07-05  Pat Haugen  <pthaugen@us.ibm.com>

        Backport from mainline
        2016-06-28  Pat Haugen  <pthaugen@us.ibm.com>

        * config/rs6000/rs6000.md ('type' attribute): Add htmsimple/dfp types.
        ('size' attribute): Add '128'.
        Include power9.md.
        (*mov<mode>_hardfloat32, *mov<mode>_hardfloat64, *movdi_internal32,
        *movdi_internal64, *movdf_update1): Set size attribute to '64'.
        (add<mode>3, sub<mode>3, mul<mode>3, div<mode>3, sqrt<mode>2,
        copysign<mode>3, neg<mode>2_hw, abs<mode>2_hw, *nabs<mode>2_hw,
        *fma<mode>4_hw, *fms<mode>4_hw, *nfma<mode>4_hw, *nfms<mode>4_hw,
        extend<SFDF:mode><IEEE128:mode>2_hw, trunc<mode>df2_hw,
        *xscvqp<su>wz_<mode>, *xscvqp<su>dz_<mode>, *xscv<su>dqp_<mode>,
        *trunc<mode>df2_odd): Set size attribute to '128'.
        (*cmp<mode>_hw): Change type to veccmp and set size attribute to '128'.
        * config/rs6000/power6.md (power6-fp): Include dfp type.
        * config/rs6000/power7.md (power7-fp): Likewise.
        * config/rs6000/power8.md (power8-fp): Likewise.
        * config/rs6000/power9.md: New file.
        * config/rs6000/t-rs6000 (MD_INCLUDES): Add power9.md.
        * config/rs6000/htm.md (*tabort, *tabort<wd>c, *tabort<wd>ci,
        *trechkpt, *treclaim, *tsr, *ttest): Change type attribute to
        htmsimple.
        * config/rs6000/dfp.md (extendsddd2, truncddsd2, extendddtd2,
        trunctddd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3,
        divtd3, *cmpdd_internal1, *cmptd_internal1, floatdidd2, floatditd2,
        ftruncdd2, fixdddi2, ftrunctd2, fixtddi2, dfp_ddedpd_<mode>,
        dfp_denbcd_<mode>, dfp_dxex_<mode>, dfp_diex_<mode>, dfp_dscli_<mode>,
        dfp_dscri_<mode>): Change type attribute to dfp.
        * config/rs6000/crypto.md (crypto_vshasigma<CR_char>): Change type
        attribute to vecsimple.
        * config/rs6000/rs6000.c (power9_cost): Update costs, cache size
        and prefetch streams.
        (rs6000_option_override_internal): Remove temporary code setting
        tuning to power8.  Don't set rs6000_sched_groups for power9.
        (last_scheduled_insn): Change to rtx_insn *.
        (divide_cnt, vec_load_pendulum): New variables.
        (rs6000_adjust_cost): Add Power9 to test for store->load separation.
        (rs6000_issue_rate): Set issue rate for Power9.
        (is_power9_pairable_vec_type): New.
        (power9_sched_reorder2): New.
        (rs6000_sched_reorder2): Call new function for Power9 specific
        reordering.
        (insn_must_be_first_in_group): Remove Power9.
        (insn_must_be_last_in_group): Likewise.
        (force_new_group): Likewise.
        (rs6000_sched_init): Fix initialization of last_scheduled_insn.
        Initialize divide_cnt/vec_load_pendulum.
        (_rs6000_sched_context, rs6000_init_sched_context,
        rs6000_set_sched_context): Handle context save/restore of new
        variables.

2016-07-05  Pat Haugen  <pthaugen@us.ibm.com>

        Backport from mainline
        2016-06-27  Pat Haugen  <pthaugen@us.ibm.com>

        * config/rs6000/rs6000.md ('type' attribute): Add
        veclogical,veccmpfx,vecexts,vecmove insn types.
        (*abs<mode>2_fpr, *nabs<mode>2_fpr, *neg<mode>2_fpr, *extendsfdf2_fpr,
        copysign<mode>3_fcpsgn, trunc<mode>df2_internal1, neg<mode>2_internal,
        p8_fmrgow_<mode>, pack<mode>): Change type to fpsimple.
        (*xxsel<mode>, copysign<mode>3_hard, neg<mode>2_hw, abs<mode>2_hw,
        *nabs<mode>2_hw): Change type to vecmove.
        (*and<mode>3_internal, *bool<mode>3_internal, *boolc<mode>3_internal,
        *boolcc<mode>3_internal, *eqv<mode>3_internal,
        *one_cmpl<mode>3_internal, *ieee_128bit_vsx_neg<mode>2_internal,
        *ieee_128bit_vsx_abs<mode>2_internal,
        *ieee_128bit_vsx_nabs<mode>2_internal, extendkftf2, trunctfkf2,
        *ieee128_mfvsrd_64bit, *ieee128_mfvsrd_32bit, *ieee128_mtvsrd_64bit,
        *ieee128_mtvsrd_32bit): Change type to veclogical.
        (mov<mode>_hardfloat, *mov<mode>_hardfloat32, *mov<mode>_hardfloat64,
        *movdi_internal32, *movdi_internal64): Update insn types.
        * config/rs6000/vsx.md (*vsx_le_undo_permute_<mode>,
        vsx_extract_<mode>): Change type to veclogical.
        (*vsx_xxsel<mode>, *vsx_xxsel<mode>_uns): Change type to vecmove.
        (vsx_sign_extend_qi_<mode>, *vsx_sign_extend_hi_<mode>,
        *vsx_sign_extend_si_v2di): Change type to vecexts.
        * config/rs6000/altivec.md (*altivec_mov<mode>, *altivec_movti): Change
        type to veclogical.
        (*altivec_eq<mode>, *altivec_gt<mode>, *altivec_gtu<mode>,
        *altivec_vcmpequ<VI_char>_p, *altivec_vcmpgts<VI_char>_p,
        *altivec_vcmpgtu<VI_char>_p): Change type to veccmpfx.
        (*altivec_vsel<mode>, *altivec_vsel<mode>_uns): Change type to vecmove.
        * config/rs6000/dfp.md (*negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
        negtd2, *abstd2_fpr, *nabstd2_fpr): Change type to fpsimple.
        * config/rs6000/40x.md (ppc405-float): Add fpsimple.
        * config/rs6000/440.md (ppc440-fp): Add fpsimple.
        * config/rs6000/476.md (ppc476-fp): Add fpsimple.
        * config/rs6000/601.md (ppc601-fp): Add fpsimple.
        * config/rs6000/603.md (ppc603-fp): Add fpsimple.
        * config/rs6000/6xx.md (ppc604-fp): Add fpsimple.
        * config/rs6000/7xx.md (ppc750-fp): Add fpsimple.
        (ppc7400-vecsimple): Add veclogical, vecmove, veccmpfx.
        * config/rs6000/7450.md (ppc7450-fp): Add fpsimple.
        (ppc7450-vecsimple): Add veclogical, vecmove.
        (ppc7450-veccmp): Add veccmpfx.
        * config/rs6000/8540.md (ppc8540_simple_vector): Add veclogical,
        vecmove.
        (ppc8540_vector_compare): Add veccmpfx.
        * config/rs6000/a2.md (ppca2-fp): Add fpsimple.
        * config/rs6000/cell.md (cell-fp): Add fpsimple.
        (cell-vecsimple): Add veclogical, vecmove.
        (cell-veccmp): Add veccmpfx.
        * config/rs6000/e300c2c3.md (ppce300c3_fp): Add fpsimple.
        * config/rs6000/e6500.md (e6500_vecsimple): Add veclogical, vecmove,
        veccmpfx.
        * config/rs6000/mpc.md (mpccore-fp): Add fpsimple.
        * config/rs6000/power4.md (power4-fp): Add fpsimple.
        (power4-vecsimple): Add veclogical, vecmove.
        (power4-veccmp): Add veccmpfx.
        * config/rs6000/power5.md (power5-fp): Add fpsimple.
        * config/rs6000/power6.md (power6-fp): Add fpsimple.
        (power6-vecsimple): Add veclogical, vecmove.
        (power6-veccmp): Add veccmpfx.
        * config/rs6000/power7.md (power7-fp): Add fpsimple.
        (power7-vecsimple): Add veclogical, vecmove, veccmpfx.
        * config/rs6000/power8.md (power8-fp): Add fpsimple.
        (power8-vecsimple): Add veclogical, vecmove, veccmpfx.
        * config/rs6000/rs64.md (rs64a-fp): Add fpsimple.
        * config/rs6000/titan.md (titan_fp): Add fpsimple.
        * config/rs6000/xfpu.md (fp-default, fp-addsub-s, fp-addsub-d): Add
        fpsimple.
        * config/rs6000/rs6000.c (rs6000_adjust_cost): Add TYPE_FPSIMPLE.

2016-07-05  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        Backport from mainline r237391
        2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        * config/rs6000/rs6000.h (RS6000_BTM_COMMON): Add the
        RS6000_BTM_MODULO flag into the set of flags that are considered
        to be part of the common configuration.

2016-07-04  Jakub Jelinek  <jakub@redhat.com>

        PR c++/71739
        * tree.c (attribute_value_equal): Use get_attribute_name instead of
        directly using TREE_PURPOSE.

2016-07-04  Segher Boessenkool  <segher@kernel.crashing.org>

        Backport from mainline
        2016-06-27  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/71670
        * config/rs6000/rs6000.md (ashdi3_extswsli_dot): Use
        gen_ashdi3_extswsli_dot2 instead of gen_ashdi3_extswsli_dot.

2016-07-02  Jakub Jelinek  <jakub@redhat.com>

        Backported from mainline
        2016-06-28  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/71626
        * config/i386/i386.c (ix86_expand_vector_move): For SUBREG of
        a constant, force its SUBREG_REG into memory or register instead
        of whole op1.

        2016-06-20  Jakub Jelinek  <jakub@redhat.com>

        PR target/71559
        * config/i386/i386.c (ix86_fp_cmp_code_to_pcmp_immediate): Fix up
        returned values and add UN*/LTGT/*ORDERED cases with values matching
        D operand modifier on vcmp for AVX.

2016-07-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        Backport from trunk r237659
        2016-06-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        * config/rs6000/rs6000.h: Add conditional preprocessing directives
        to disable Power9-specific compiler features if HAVE_AS_POWER9 is
        not defined.

2016-07-01  Peter Bergner  <bergner@vnet.ibm.com>

        Backport from trunk
        2016-06-27  Peter Bergner  <bergner@vnet.ibm.com>

        PR target/71656
        * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
        OPTION_MASK_P9_DFORM_VECTOR.
        * config/rs6000/rs6000.c (rs6000_option_override_internal): Do not
        disable -mpower9-dform-vector when using reload.
        (quad_address_p): Remove 'gpr_p' argument and all associated code.
        New 'strict' argument.  Update all callers.  Add strict addressing
        support.
        (rs6000_legitimate_offset_address_p): Remove call to
        virtual_stack_registers_memory_p.
        (rs6000_legitimize_reload_address): Add quad address support.
        (rs6000_legitimate_address_p): Move call to quad_address_p above
        call to virtual_stack_registers_memory_p.  Adjust quad_address_p args
        to account for new strict usage.
        (rs6000_output_move_128bit): Adjust quad_address_p args to account
        for new strict usage.
        * config/rs6000/predicates.md (quad_memory_operand): Likewise.

2016-07-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        Backport from mainline
        2016-06-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): New #define.
        (BU_FLOAT128_1): Likewise.
        (FABSQ): Likewise.
        (COPYSIGNQ): Likewise.
        (RS6000_BUILTIN_NANQ): Likewise.
        (RS6000_BUILTIN_NANSQ): Likewise.
        (RS6000_BUILTIN_INFQ): Likewise.
        (RS6000_BUILTIN_HUGE_VALQ): Likewise.
        * config/rs6000/rs6000.c (rs6000_fold_builtin): New prototype.
        (TARGET_FOLD_BUILTIN): New #define.
        (rs6000_builtin_mask_calculate): Add TARGET_FLOAT128 entry.
        (rs6000_invalid_builtin): Add handling for RS6000_BTM_FLOAT128.
        (rs6000_fold_builtin): New target hook implementation, handling
        folding of 128-bit NaNs and infinities.
        (rs6000_init_builtins): Initialize const_str_type_node; ensure all
        entries are filled in to avoid problems during bootstrap
        self-test; define builtins for 128-bit NaNs and infinities.
        (rs6000_opt_mask): Add entry for float128.
        * config/rs6000/rs6000.h (RS6000_BTM_FLOAT128): New #define.
        (RS6000_BTM_COMMON): Include RS6000_BTM_FLOAT128.
        (rs6000_builtin_type_index): Add RS6000_BTI_const_str.
        (const_str_type_node): New #define.
        * config/rs6000/rs6000.md (copysign<mode>3 for IEEE128): Convert
        to a define_expand that dispatches to either copysign<mode>3_soft
        or copysign<mode>3_hard.
        (copysign<mode>3_hard): Rename from copysign<mode>3.
        (copysign<mode>3_soft): New define_insn.
        * doc/extend.texi: Document new builtins.

2016-07-01  Peter Bergner  <bergner@vnet.ibm.com>

        Backport from trunk
        2016-07-01  Peter Bergner  <bergner@vnet.ibm.com>

        PR target/71698
        * config/rs6000/rs6000.c (rs6000_secondary_reload_simple_move): Disallow
        TDmode values.

2016-07-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        Backport from trunk r236992
        2016-06-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        * config/rs6000/altivec.h (vec_slv): New macro.
        (vec_srv): New macro.
        * config/rs6000/altivec.md (UNSPEC_VSLV): New value.
        (UNSPEC_VSRV): New value.
        (vslv): New insn.
        (vsrv): New insn.
        * config/rs6000/rs6000-builtin.def (vslv): New builtin definition.
        (vsrv): New builtin definition.
        * config/rs6000/rs6000-c.c (P9V_BUILTIN_VSLV): Macro expansion to
        define argument types for new builtin.
        (P9V_BUILTIN_VSRV): Macro expansion to define argument types for
        new builtin.
        * doc/extend.texi: Document the new vec_vslv and vec_srv built-in
        functions.

2016-07-01  Eric Botcazou  <ebotcazou@adacore.com>

        * config/arm/arm.c (arm_function_ok_for_sibcall): Add another check
        for NULL decl.

2016-06-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        Backport from trunk r237390
        2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        * config/rs6000/altivec.h (vec_absd): New macro for vector absolute
        difference unsigned.
        (vec_absdb): New macro for vector absolute difference unsigned
        byte.
        (vec_absdh): New macro for vector absolute difference unsigned
        half-word.
        (vec_absdw): New macro for vector absolute difference unsigned word.
        * config/rs6000/altivec.md (UNSPEC_VADU): New value.
        (vadu<mode>3): New insn.
        (*p9_vadu<mode>3): New insn.
        * config/rs6000/rs6000-builtin.def (vadub): New built-in
        definition.
        (vaduh): New built-in definition.
        (vaduw): New built-in definition.
        (vadu): New overloaded built-in definition.
        (vadub): New overloaded built-in definition.
        (vaduh): New overloaded built-in definition.
        (vaduw): New overloaded built-in definition.
        * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
        overloaded vector absolute difference unsigned functions.
        * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
        the ISA 3.0 vector absolute difference unsigned built-in functions.

2016-06-30  David Malcolm  <dmalcolm@redhat.com>

        Backport from trunk r237880.
        2016-06-30  David Malcolm  <dmalcolm@redhat.com>

        PR driver/71651
        * gcc.c (driver::build_option_suggestions): Pass "option" to
        add_misspelling_candidates.
        * opts-common.c (add_misspelling_candidates): Add "option" param;
        use it to avoid adding negated forms for options marked with
        RejectNegative.
        * opts.h (add_misspelling_candidates): Add "option" param.

2016-06-30  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/71693
        * fold-const.c (fold_binary_loc) <case RROTATE_EXPR>: Cast
        TREE_OPERAND (arg0, 0) and TREE_OPERAND (arg0, 1) to type
        first when permuting bitwise operation with rotate.  Cast
        TREE_OPERAND (arg0, 0) to type when cancelling two rotations.

2016-06-30  Martin Liska  <mliska@suse.cz>

        Parting backport from mainline
        2016-06-29  Martin Liska  <mliska@suse.cz>

        * ipa-inline-transform.c (inline_call): Remove unnecessary call
        of build_optimization_node.

2016-06-29  Eric Botcazou  <ebotcazou@adacore.com>

        Backport from mainline
        2016-06-09  Eric Botcazou  <ebotcazou@adacore.com>

        * df-problems.c (df_note_bb_compute): Guard use of DF_INSN_INFO_GET.

2016-06-27  Michael Meissner  <meissner@linux.vnet.ibm.com>

        Back port from trunk
        2016-06-21  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * stor-layout.c (layout_type): Move setting complex MODE to
        layout_type, instead of setting it ahead of time by the caller.

        Back port from trunk
        2016-05-11  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (is_complex_IBM_long_double,
        abi_v4_pass_in_fpr): New functions.
        (rs6000_function_arg_boundary): Exclude complex IBM long double
        from 64-bit alignment when ABI_V4.
        (rs6000_function_arg, rs6000_function_arg_advance_1,
        rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.

        Back port from trunk
        2016-05-02  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * machmode.h (mode_complex): Add support to give the complex mode
        for a given mode.
        (GET_MODE_COMPLEX_MODE): Likewise.
        * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
        stored by build_complex_type and gfc_build_complex_type instead of
        trying to figure out the appropriate mode based on the size. Raise
        an assertion error, if the type was not set.
        * genmodes.c (struct mode_data): Add field for the complex type of
        the given type.
        (blank_mode): Likewise.
        (make_complex_modes): Remember the complex mode created in the
        base type.
        (emit_mode_complex): Write out the mode_complex array to map a
        type mode to the complex version.
        (emit_insn_modes_c): Likewise.
        * tree.c (build_complex_type): Set the complex type to use before
        calling layout_type.
        * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
        support for __float128 complex datatypes.
        (rs6000_hard_regno_mode_ok): Likewise.
        (rs6000_setup_reg_addr_masks): Likewise.
        (rs6000_complex_function_value): Likewise.
        * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
        __float128 and __ibm128 complex.
        (FLOAT128_IBM_P): Likewise.
        (ALTIVEC_ARG_MAX_RETURN): Likewise.
        * doc/extend.texi (Additional Floating Types): Document that
        -mfloat128 must be used to enable __float128.  Document complex
        __float128 and __ibm128 support.

2016-06-24  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/71647
        * omp-low.c (lower_rec_input_clauses): Convert
        omp_clause_aligned_alignment (c) to size_type_node for the
        last argument of __builtin_assume_aligned.

2016-06-22  Eric Botcazou  <ebotcazou@adacore.com>

        * function.c (assign_parm_setup_reg): Prevent sharing in another case.

2016-06-21  Georg-Johann Lay  <avr@gjlay.de>

        Backport from 2016-06-21 trunk r237639.

        PR target/30417
        * config/avr/gen-avr-mmcu-specs.c (print_mcu):
        [*link_data_start]: Wrap -Tdata into %{!Tdata:...}.
        [*link_text_start]: Wrap -Ttext into %{!Ttext:...}.

2016-06-21  Georg-Johann Lay  <avr@gjlay.de>

        PR target/71103
        * config/avr/avr.md (movqi): Only handle loading subreg:qi of
        constant addresses if can_create_pseudo_p.

2016-06-21  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/71588
        * tree-ssa-strlen.c (valid_builtin_call): New function.
        (adjust_last_stmt, handle_builtin_memset, strlen_optimize_stmt): Use
        it.

        Backported from mainline
        2016-06-20  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/71581
        * tree-ssa-uninit.c (warn_uninit): If EXPR and VAR are NULL,
        see if T isn't anonymous SSA_NAME with COMPLEX_EXPR created
        for conversion of scalar user var to complex type and use the
        underlying SSA_NAME_VAR in that case.  If EXPR is still NULL,
        punt.

        2016-06-16  Jakub Jelinek  <jakub@redhat.com>

        * gimplify.c (gimplify_scan_omp_clauses): Handle COMPONENT_REFs
        with base of reference to struct.

2016-06-20  Ilya Enkovich  <ilya.enkovich@intel.com>

        Backport from mainline r237484.
        2016-06-15  Ilya Enkovich  <ilya.enkovich@intel.com>

        PR middle-end/71529
        * ipa-chkp.c (chkp_build_instrumented_fndecl): Fix
        DECL_CONTEXT for copied arguments.

2016-06-20  Georg-Johann Lay  <avr@gjlay.de>
            Pitchumani Sivanupandi  <pitchumani.s@atmel.com>

        Backport from 2016-06-20 trunk r237589, r236558.

        PR target/71103
        * config/avr/avr.md (movqi): Handle loading subreg:qi (const,
        symbol_ref,label_ref).

2016-06-16  Jakub Jelinek  <jakub@redhat.com>

        PR target/71554
        * config/i386/i386.md (setcc + movzbl peephole2): Use reg_set_p.
        (setcc + and peephole2): Likewise.

2016-06-15  Andreas Tobler  <andreast@gcc.gnu.org>

        Backported from mainline
        2016-06-14  Andreas Tobler  <andreast@gcc.gnu.org>

        * config/arm/freebsd.h: Only enable unaligned access for armv6 on
        FreeBSD 11 and above.

2016-06-15  Ilya Verbin  <ilya.verbin@intel.com>

        Backport from mainline
        2016-04-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.

2016-06-14  Jakub Jelinek  <jakub@redhat.com>

        Backported from mainline
        2016-06-10  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/71494
        * tree-nested.c (convert_nonlocal_reference_stmt): For GIMPLE_GOTO
        without LABEL_DECL, set *handled_ops_p to false instead of true.

        2016-06-08  Jakub Jelinek  <jakub@redhat.com>
                    Richard Biener  <rguenther@suse.de>

        PR c++/71448
        * fold-const.c (fold_comparison): Handle CONSTANT_CLASS_P (base0)
        the same as DECL_P (base0) for indirect_base0.  Use equality_code
        in one further place.

        2016-06-04  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/71405
        * tree-ssa.c (execute_update_addresses_taken): For clobber with
        incompatible type, build a new clobber with the right type instead
        of building a VIEW_CONVERT_EXPR around it.

2016-06-13  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-sccvn.c (vn_reference_lookup_3): Use a uniform test and
        update shared_lookup_references only once after changing operands.

2016-06-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/71505
        * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Make
        assert match comment.

2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        Backport from mainline
        2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        PR target/71379
        * config/s390/s390.c (s390_expand_builtin): Increase MAX_ARGS by
        one.

2016-06-10  Thomas Schwinge  <thomas@codesourcery.com>

        PR middle-end/71373
        Backport from trunk r237291:
        * tree-nested.c (convert_nonlocal_omp_clauses)
        (convert_local_omp_clauses): Handle OMP_CLAUSE_ASYNC,
        OMP_CLAUSE_WAIT, OMP_CLAUSE_INDEPENDENT, OMP_CLAUSE_AUTO,
        OMP_CLAUSE__CACHE_, OMP_CLAUSE_TILE.

        Backport from trunk r237291:
        * gimplify.c (gimplify_adjust_omp_clauses): Discard
        OMP_CLAUSE_TILE.
        * omp-low.c (scan_sharing_clauses): Don't expect OMP_CLAUSE_TILE.

        Backport from trunk r237290:
        * omp-low.c (scan_sharing_clauses): Don't expect
        OMP_CLAUSE__CACHE_.

        Backport trunk r235964:
        2016-05-06  Nathan Sidwell  <nathan@codesourcery.com>

        * gimple.c (gimple_call_same_target_p): Unique functions are eq.
        * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
        equality first.

2016-06-10  Maxim Ostapenko  <m.ostapenko@samsung.com>

        PR sanitizer/71480
        * varasm.c (place_block_symbol): Adjust alignment for asan protected
        STRING_CSTs even if TREE_CONSTANT_POOL_ADDRESS_P.

2016-06-09  Michael Meissner  <meissner@linux.vnet.ibm.com>

        Back port from trunk
        2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/vsx.md (vsx_splat_<mode>, V2DI/V2DF): Simplify
        alternatives, eliminating preferred register class.  Add support
        for the MTVSRDD instruction in ISA 3.0.
        (vsx_splat_v4si_internal): Use splat_input_operand instead of
        reg_or_indexed_operand.
        (vsx_splat_v4sf_internal): Likewise.

        Back port from trunk
        2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/71186
        * config/rs6000/vsx.md (xxspltib_<mode>_nosplit): Add alternatives
        for loading up all 0's or all 1's.

        Back port from trunk
        2016-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/70915
        * config/rs6000/constraints.md (wE constraint): New constraint
        for a vector constant that can be loaded with XXSPLTIB.
        (wM constraint): New constraint for a vector constant of a 1's.
        (wS constraint): New constraint for a vector constant that can be
        loaded with XXSPLTIB and a vector sign extend instruction.
        * config/rs6000/predicates.md (xxspltib_constant_split): New
        predicates for wE/wS constraints.
        (xxspltib_constant_nosplit): Likewise.
        (easy_vector_constant): Add support for constants that can be
        loaded via XXSPLTIB.
        (splat_input_operand): Add support for ISA 3.0 word splat operations.
        * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
        return if a constant can be loaded with the ISA 3.0 XXSPLTIB
        instruction and possibly with a sign extension.
        (output_vec_const_move): Add support for XXSPLTIB. If we are
        loading up 0/-1 into Altivec registers, prefer using VSPLTISW
        instead of XXLXOR/XXLORC.
        (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
        operations.
        (rs6000_legitimize_reload_address): Likewise.
        (rs6000_output_move_128bit): Use output_vec_const_move to emit
        constants.
        * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
        combine VSX_M and VSX_M2 into one iterator.
        (VSX_M2): Likewise.
        (VSINT_84): New iterators for loading constants with XXSPLTIB.
        (VSINT_842): Likewise.
        (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
        (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
        XXSPLTIB instruction.
        (xxspltib_<mode>_nosplit): Likewise.
        (xxspltib_<mode>_split): New insn to load up constants with
        XXSPLTIB and a sign extend instruction.
        (vsx_mov<mode>): Replace single move that handled all vector types
        with separate 32-bit and 64-bit moves.  Combine the movti_<bit>
        moves (when -mvsx-timode is in effect) into the main vector
        moves.  Eliminate separate moves for <VSr> <VSa>, where the
        preferred register class (<VSr>) is listed first, and the
        secondary register class (<VSa>) is listed second with a '?' to
        discourage use.  Prefer loading 0/-1 in any VSX register for ISA
        3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
        that if the register was involved in a slow operation, the
        clear/set operation does not wait for the slow operation to
        finish.  Adjust the length attributes for 32-bit mode.  Use
        rs6000_output_move_128bit and drop the use of the string
        instructions for 32-bit movti when -mvsx-timode is in effect.  Use
        spacing so that the alternatives and attributes don't generate
        long lines, and put things in columns, so that it is easier to
        match up the operands and attributes with the insn alternatives.
        (vsx_mov<mode>_64bit): Likewise.
        (vsx_mov<mode>_32bit): Likewise.
        (vsx_movti_64bit): Fold movti into normal vector moves.
        (vsx_movti_32bit): Likewise.
        (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
        splat instructions.
        (vsx_splat_v4si_internal): Likewise.
        (vsx_splat_v4sf_internal): Likewise.
        (vector fusion peepholes): Use VSX_M instead of VSX_M2.
        (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
        extend vector elements.
        (vsx_sign_extend_hi_<mode>): Likewise.
        (vsx_sign_extend_si_v2di): Likewise.
        * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
        declaration.
        * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
        constraints.  Add trailing period to wL documentation.

2016-06-08  Jose E. Marchesi  <jose.marchesi@oracle.com>

        Backport from mainline
        2016-06-08  Jose E. Marchesi  <jose.marchesi@oracle.com>

        * config/sparc/driver-sparc.c (cpu_names): Fix the entry for the
        SPARC-M7 and add an entry for SPARC-S7 cpus (Sonoma).

2016-06-08  Eric Botcazou  <ebotcazou@adacore.com>

        Backport from mainline
        2016-06-06  Jose E. Marchesi  <jose.marchesi@oracle.com>

        * config/sparc/sparc.md (cpu): Add niagara7 cpu type.
        Include the M7 SPARC DFA scheduler.
        New attribute v3pipe.
        Annotate insns with v3pipe where appropriate.
        Define cpu_feature vis4.
        Add lzd instruction type and set it on clzdi_sp64 and clzsi_sp64.
        Add (V8QI "8") to vbits.
        Add insns {add,sub}v8qi3
        Add insns ss{add,sub}v8qi3
        Add insns us{add,sub}{v8qi,v4hi}3
        Add insns {min,max}{v8qi,v4hi,v2si}3
        Add insns {minu,maxu}{v8qi,v4hi,v2si}3
        Add insns fpcmp{le,gt,ule,ug,ule,ugt}{8,16,32}_vis.
        * config/sparc/niagara4.md: Add a comment explaining the
        discrepancy between the documented latenty numbers and the
        implemented ones.
        * config/sparc/niagara7.md: New file.
        * configure.ac (HAVE_AS_SPARC5_VIS4): Define if the assembler
        supports SPARC5 and VIS 4.0 instructions.
        * configure: Regenerate.
        * config.in: Likewise.
        * config.gcc: niagara7 is a supported cpu in sparc*-*-* targets.
        * config/sparc/sol2.h (ASM_CPU32_DEFAUILT_SPEC): Set for
        TARGET_CPU_niagara7.
        (ASM_CPU64_DEFAULT_SPEC): Likewise.
        (CPP_CPU_SPEC): Handle niagara7.
        (ASM_CPU_SPEC): Likewise.
        * config/sparc/sparc-opts.h (processor_type): Add
        PROCESSOR_NIAGARA7.
        (mvis4): New option.
        * config/sparc/sparc.h (TARGET_CPU_niagara7): Define.
        (AS_NIAGARA7_FLAG): Define.
        (ASM_CPU64_DEFAULT_SPEC): Set for niagara7.
        (CPP_CPU64_DEFAULT_SPEC): Likewise.
        (CPP_CPU_SPEC): Handle niagara7.
        (ASM_CPU_SPEC): Likewise.
        * config/sparc/sparc.c (niagara7_costs): Define.
        (sparc_option_override): Handle niagara7 and adjust cache-related
        parameters with better values for niagara cpus.  Also support VIS4.
        (sparc32_initialize_trampoline): Likewise.
        (sparc_use_sched_lookahead): Likewise.
        (sparc_issue_rate): Likewise.
        (sparc_register_move_cost): Likewise.
        (dump_target_flag_bits): Support VIS4.
        (sparc_vis_init_builtins): Likewise.
        (sparc_builtins): Likewise.
        * config/sparc/sparc-c.c (sparc_target_macros): Define __VIS__ for
        VIS4 4.0.
        * config/sparc/driver-sparc.c (cpu_names): Add SPARC-M7 and
        UltraSparc M7.
        * config/sparc/sparc.opt (sparc_processor_type): New value
        niagara7.
        * config/sparc/visintrin.h (__attribute__): Prototypes for the
        VIS4 builtins.
        * doc/invoke.texi (SPARC Options): Document -mcpu=niagara7 and
        -mvis4.
        * doc/extend.texi (SPARC VIS Built-in Functions): Document the
        VIS4 builtins.

        2016-05-30  Jose E. Marchesi  <jose.marchesi@oracle.com>

        * config.gcc (sparc*-*-*): Support cpu_32, cpu_64, tune_32 and
        tune_64.
        * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
        support on SPARC.
        * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Add entries for
        cpu_32, cpu_64, tune_32 and tune_64.
        * config/sparc/sol2.h (OPTION_DEFAULT_SPECS): Likewise.

2016-06-08  Ilya Verbin  <ilya.verbin@intel.com>

        Backport from mainline
        2016-05-25  Ilya Verbin  <ilya.verbin@intel.com>

        * config/i386/i386-builtin-types.def: Add V16SI_FTYPE_V16SF,
        V8DF_FTYPE_V8DF_ROUND, V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND.
        * config/i386/i386.c (enum ix86_builtins): Add
        IX86_BUILTIN_CVTPS2DQ512_MASK, IX86_BUILTIN_FLOORPS512,
        IX86_BUILTIN_FLOORPD512, IX86_BUILTIN_CEILPS512, IX86_BUILTIN_CEILPD512,
        IX86_BUILTIN_TRUNCPS512, IX86_BUILTIN_TRUNCPD512,
        IX86_BUILTIN_CVTPS2DQ512, IX86_BUILTIN_VEC_PACK_SFIX512,
        IX86_BUILTIN_FLOORPS_SFIX512, IX86_BUILTIN_CEILPS_SFIX512,
        IX86_BUILTIN_ROUNDPS_AZ_SFIX512.
        (builtin_description bdesc_args): Add __builtin_ia32_floorps512,
        __builtin_ia32_ceilps512, __builtin_ia32_truncps512,
        __builtin_ia32_floorpd512, __builtin_ia32_ceilpd512,
        __builtin_ia32_truncpd512, __builtin_ia32_cvtps2dq512,
        __builtin_ia32_vec_pack_sfix512, __builtin_ia32_roundps_az_sfix512,
        __builtin_ia32_floorps_sfix512, __builtin_ia32_ceilps_sfix512.
        Change IX86_BUILTIN_CVTPS2DQ512 to IX86_BUILTIN_CVTPS2DQ512_MASK for
        __builtin_ia32_cvtps2dq512_mask.
        (ix86_expand_args_builtin): Handle V8DF_FTYPE_V8DF_ROUND,
        V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF.
        (ix86_builtin_vectorized_function): Handle builtins mentioned above.
        * config/i386/sse.md
        (<mask_codefor>avx512f_fix_notruncv16sfv16si<mask_name><round_name>):
        Rename to ...
        (avx512f_fix_notruncv16sfv16si<mask_name><round_name>): ... this.
        (<mask_codefor>avx512f_cvtpd2dq512<mask_name><round_name>): Rename
        to ...
        (avx512f_cvtpd2dq512<mask_name><round_name>): ... this.
        (avx512f_vec_pack_sfix_v8df): New define_expand.
        (avx512f_roundpd512): Rename to ...
        (avx512f_round<castmode>512): ... this.  Change iterator.
        (avx512f_roundps512_sfix): New define_expand.
        (round<mode>2_sfix): Change iterator.

2016-06-07  Peter Bergner  <bergner@vnet.ibm.com>

        Backport from mainline
        2016-06-07  Peter Bergner  <bergner@vnet.ibm.com>

        * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mhtm and
        -mno-htm.

2016-06-07  Uros Bizjak  <ubizjak@gmail.com>

        PR target/71389
        * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
        Copy op1 RTX to avoid invalid sharing.
        (ix86_expand_vector_move_misalign): Ditto.

2016-06-06  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/71259
        * tree-vect-slp.c (vect_get_constant_vectors): For
        VECTOR_BOOLEAN_TYPE_P, return all ones constant instead of
        one for constant op, and use COND_EXPR for non-constant.

2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        Backport from trunk
        2016-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/70830
        * config/arm/arm.c (arm_output_multireg_pop): Guard "pop" on update.

2016-06-05  Uros Bizjak  <ubizjak@gmail.com>

        Backport from mainline
        2016-06-01  Uros Bizjak  <ubizjak@gmail.com>
                    Jocelyn Mayer  <l_indien@magic.fr>

        PR target/67310
        * config/i386/driver-i386.c (host_detect_local_cpu): Correctly
        detect processor family for signature_CENTAUR_ebx.
        <case PROCESSOR_I486>: Pass c3, winchip2 or winchip-c6 for
        signature_CENTAUR_ebx.
        <case PROCESSOR _PENTIUMPRO>: Pass c3-2 for signature_CENTAUR_ebx.
        <default>: Pass x86-64 for has_longmode.

2016-06-03  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/71387
        * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): If redirecting
        to noreturn e->callee->decl that has void return type and void
        arguments, adjust gimple_call_fntype and remove lhs even if it had
        previously addressable type.

2016-06-02  Michael Meissner  <meissner@linux.vnet.ibm.com>

        Back port from trunk
        2016-05-26  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): New function
        for ISA 3.0 min/max support.
        (rs6000_emit_p9_fp_cmove): New function for ISA 3.0 floating point
        conditional move support.
        (rs6000_emit_cmove): Call rs6000_emit_p9_fp_minmax and
        rs6000_emit_p9_fp_cmove if the ISA 3.0 instructions are
        available.
        * config/rs6000/rs6000.md (SFDF2): New iterator to allow doing
        conditional moves where the comparison type is different from move
        type.
        (fp_minmax): New code iterator for smin/smax.
        (minmax): New code attributes for min/max.
        (SMINMAX): Likewise.
        (smax<mode>3): Combine min, max insns into one insn using the
        fp_minmax code iterator.  Add support for ISA 3.0 min/max
        instructions that don't need -ffast-math.
        (s<minmax><mode>3): Likewise.
        (smax<mode>3_vsx): Likewise.
        (smin<mode>3): Likewise.
        (s<minmax><mode>3_vsx): Likewise.
        (smin<mode>3_vsx): Likewise.
        (pre-VSX min/max splitters): Likewise.
        (s<minmax><mode>3_fpr): Likewise.
        (movsfcc): Rewrite floating point conditional moves to combine
        SFmode/DFmode into a single insn.
        (mov<mode>cc): Likewise.
        (movdfcc): Likewise.
        (fselsfsf4): Combine FSEL cases into a single insn, using SFDF and
        SFDF2 iterators to handle all combinations.
        (fseldfsf4): Likewise.
        (fsel<SFDF:mode><SFDF2:mode>4): Likewise.
        (fseldfdf4): Likewise.
        (fselsfdf4): Likewise.
        (mov<SFDF:mode><SFDF2:mode>cc_p9): Add support for the ISA 3.0
        comparison instructions that set a 0/-1 mask, and use it for
        floating point conditional move via XXSEL.
        (fpmask<mode>): Likewise.
        (xxsel<mode>): Likewise.
        * config/rs6000/predicates.md (min_max_operator): Delete, no
        longer used.
        (fpmask_comparison_operaton): New insn for ISA 3.0 comparison
        instructions that generate a 0/-1 mask for use with XXSEL.
        * config/rs6000/rs6000.h (TARGET_MINMAX_SF): New helper macros to
        say whether floating point min/max is available, either through
        FSEL, ISA 2.06 min/max, and ISA 3.0 min/max instrucitons.
        (TARGET_MINMAX_DF): Likewise.

        Back port from trunk
        2016-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/predicate.md (all_ones_constant): New predicate
        for vector constant with all 1's set.

2016-06-02  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        Back port from trunk
        2016-05-19  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
        (UNSPEC_DARN_32): New unspec constant.
        (UNSPEC_DARN_RAW): New unspec constant.
        (darn_32): New instruction.
        (darn_raw): New instruction.
        (darn): New instruction.
        * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
        support and documentation for this macro.
        (BU_P9_MISC_1): New macro definition.
        (BU_P9_64BIT_MISC_0): New macro definition.
        (BU_P9_MISC_0): New macro definition.
        (darn_32): New builtin definition.
        (darn_raw): New builtin definition.
        (darn): New builtin definition.
        * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
        RS6000_BUILTIN_0 directives to surround each occurrence of
        #include "rs6000-builtin.def".
        (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
        RS6000_BTM_64BIT flags to the returned mask, depending on
        configuration.
        (def_builtin): Correct an error in the assignments made to the
        debugging variable attr_string.
        (rs6000_expand_builtin): Add support for no-operand built-in
        functions.
        (builtin_function_type): Remove fatal_error assertion that is no
        longer valid.
        (rs6000_common_init_builtins): Add support for no-operand built-in
        functions.
        * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
        definition.
        (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
        definition.
        (RS6000_BTM_64BIT): New macro definition.
        * doc/extend.texi: Document __builtin_darn (void),
        __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
        functions.

2016-06-01  Michael Meissner  <meissner@linux.vnet.ibm.com>

        Back port from trunk
        2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/71201
        * config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
        ISA 3.0 xxperm fusion alternative.
        (altivec_vperm_v8hiv16qi): Likewise.
        (altivec_vperm_<mode>_uns_internal): Likewise.
        (vperm_v8hiv4si): Likewise.
        (vperm_v16qiv8hi): Likewise.

        Back port from trunk
        2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
                    Kelvin Nilsen  <kelvin@gcc.gnu.org>

        * config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
        vpermr/xxpermr on ISA 3.0.
        (altivec_expand_vec_perm_le): Likewise.
        * config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
        (altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
        ISA 3.0.

        Back port from trunk
        2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/altivec.md (VParity): New mode iterator for vector
        parity built-in functions.
        (p9v_ctz<mode>2): Add support for ISA 3.0 vector count trailing
        zeros.
        (p9v_parity<mode>2): Likewise.
        * config/rs6000/vector.md (VEC_IP): New mode iterator for vector
        parity.
        (ctz<mode>2): ISA 3.0 expander for vector count trailing zeros.
        (parity<mode>2): ISA 3.0 expander for vector parity.
        * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): New macros for
        power9 built-ins.
        (BU_P9_64BIT_MISC_0): Likewise.
        (BU_P9_MISC_0): Likewise.
        (BU_P9V_AV_1): Likewise.
        (BU_P9V_AV_2): Likewise.
        (BU_P9V_AV_3): Likewise.
        (BU_P9V_AV_P): Likewise.
        (BU_P9V_VSX_1): Likewise.
        (BU_P9V_OVERLOAD_1): Likewise.
        (BU_P9V_OVERLOAD_2): Likewise.
        (BU_P9V_OVERLOAD_3): Likewise.
        (VCTZB): Add vector count trailing zeros support.
        (VCTZH): Likewise.
        (VCTZW): Likewise.
        (VCTZD): Likewise.
        (VPRTYBD): Add vector parity support.
        (VPRTYBQ): Likewise.
        (VPRTYBW): Likewise.
        (VCTZ): Add overloaded vector count trailing zeros support.
        (VPRTYB): Add overloaded vector parity support.
        * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
        overloaded vector count trailing zeros and parity instructions.
        * config/rs6000/rs6000.md (wd mode attribute): Add V1TI and TI for
        vector parity support.
        * config/rs6000/altivec.h (vec_vctz): Add ISA 3.0 vector count
        trailing zeros support.
        (vec_cntlz): Likewise.
        (vec_vctzb): Likewise.
        (vec_vctzd): Likewise.
        (vec_vctzh): Likewise.
        (vec_vctzw): Likewise.
        (vec_vprtyb): Add ISA 3.0 vector parity support.
        (vec_vprtybd): Likewise.
        (vec_vprtybw): Likewise.
        (vec_vprtybq): Likewise.
        * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
        the ISA 3.0 vector count trailing zeros and vector parity built-in
        functions.

        Back port from trunk
        2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/altivec.md (VNEG iterator): New iterator for
        VNEGW/VNEGD instructions.
        (p9_neg<mode>2): New insns for ISA 3.0 VNEGW/VNEGD.
        (neg<mode>2): Add expander for V2DImode added in ISA 2.07, and
        support for ISA 3.0 VNEGW/VNEGD instructions.

        Back port from trunk
        2016-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/predicates.md (quad_memory_operand): Move most of
        the code into quad_address_p and call it to share code with
        vsx_quad_dform_memory_operand.
        (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
        d-form support.
        * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
        bit instead of being a separate word.  Split -mpower9-dform into
        two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
        * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
        for the register class supporting 128-bit quad word memory offsets.
        (mode_supports_vsx_dform_quad): Helper function to return if the
        register class uses quad word memory offsets.
        (rs6000_debug_addr_mask): Add support for quad word memory offsets.
        (rs6000_debug_reg_global): Always print if we are using LRA or not.
        (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
        instructions are enabled, set up the appropriate addr_masks for
        128-bit types.
        (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
        -mpower9-dform-scalar, instead of -mpower9-dform.
        (rs6000_option_override_internal): Split -mpower9-dform into two
        switches, -mpower9-dform-scalar and -mpower9-dform-vector.  The
        -mpower9-dform switch sets or clears both.  If we are not using
        the LRA register allocator, do not enable -mpower9-dform-vector by
        default.  If we are using LRA, enable -mpower9-dform-vector and
        -mvsx-timode if it is appropriate.  Issue a warning if either
        -mpower9-dform-vector or -mvsx-timode are explicitly used without
        enabling LRA.
        (quad_address_offset_p): New helper function to return if the
        offset is legal for quad word memory instructions.
        (quad_address_p): New function to determin if GPR or vector
        register quad word memory addresses are legal.
        (mem_operand_gpr): Validate quad word address offsets.
        (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
        d-form (register + offset) instructions.
        (offsettable_ok_by_alignment): Likewise.
        (rs6000_legitimate_offset_address_p): Likewise.
        (legitimate_lo_sum_address_p): Likewise.
        (rs6000_legitimize_address): Likewise.
        (rs6000_legitimize_reload_address): Add more debug statements for
        -mdebug=addr.
        (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
        d-form instructions.
        (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
        d-form instructions.  Distinguish different cases in debug
        output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
        d-form instructions.
        (rs6000_preferred_reload_class): Likewise.
        (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
        instructions.  If ISA 3.0 is available, generate lxvx/stxvx instead
        of the ISA 2.06 indexed memory instructions.
        (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
        use them to save/restore the saved vector registers instead of
        using Altivec instructions.
        (rs6000_emit_epilogue): Likewise.
        (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
        (rs6000_opt_masks): Split -mpower9-dform into
        -mpower9-dform-scalar and -mpower9-dform-vector.
        (rs6000_print_options_internal): Print -mno-<switch> if <switch>
        was not selected.
        * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
        ISA 3.0 vector indexed memory instructions, and fold the code into
        the normal mov<mode> patterns.
        (p9_vecstore_<mode>): Likewise.
        (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
        instructions.
        (vsx_movti_64bit): Likewise.
        (vsx_movti_32bit): Likewise.
        * config/rs6000/constraints.md (wO constraint): New constraint for
        ISA 3.0 vector d-form support.
        * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
        -mpower9-dform-scalar instead of -mpower9-dform.  Add note not to
        include -mpower9-dform-vector until we switch over to LRA.
        (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
        switches, -mpower9-dform-scalar and -mpower9-dform-vector.
        * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
        * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
        for -mpower9-dform and -mlra.
        * doc/md.texi (wO constraint): Document wO constraint.

2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-vect-loop.c (vect_determine_vectorization_factor): Also compute
        the factor for live Phi nodes.

2016-06-01  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/71371
        * gimplify.c (gimplify_omp_for): Temporarily clear gimplify_omp_ctxp
        around creation of the temporary.

2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-vect-loop.c (vect_determine_vectorization_factor): Also take
        into account live statements for mask producers.

2016-05-31  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2016-05-11  Richard Biener  <rguenther@suse.de>

        PR debug/71057
        * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
        (dwarf2out_finish): Move retry_incomplete_types call ...
        (dwarf2out_early_finish): ... here.

2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/71056
        * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
        NULL_TREE early if NEON is not available.  Remove now redundant check
        in ARM_CHECK_BUILTIN_MODE.

2016-05-31  Tom de Vries  <tom@codesourcery.com>

        backport:
        2016-05-31  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/69068
        * graphite-isl-ast-to-gimple.c (copy_bb_and_scalar_dependences): Handle
        phis with more than two args.

2016-05-30  Andreas Tobler  <andreast@gcc.gnu.org>

        Backport from mainline
        2016-05-30  Andreas Tobler  <andreast@gcc.gnu.org>

        * config.gcc: Move hard float support for arm*hf*-*-freebsd* into
        armv6*-*-freebsd* for FreeBSD 11. Eliminate the arm*hf*-*-freebsd*
        target.

2016-05-30  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        Backport from mainline
        2016-04-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/altivec.h: Change definitions of vec_xl and
        vec_xst.
        * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
        (LD_ELEMREV_V2DI): New.
        (LD_ELEMREV_V4SF): New.
        (LD_ELEMREV_V4SI): New.
        (LD_ELEMREV_V8HI): New.
        (LD_ELEMREV_V16QI): New.
        (ST_ELEMREV_V2DF): New.
        (ST_ELEMREV_V2DI): New.
        (ST_ELEMREV_V4SF): New.
        (ST_ELEMREV_V4SI): New.
        (ST_ELEMREV_V8HI): New.
        (ST_ELEMREV_V16QI): New.
        (XL): New.
        (XST): New.
        * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
        descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
        * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
        TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
        (altivec_expand_builtin): Add handling for
        VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
        (rs6000_invalid_builtin): Add error-checking for
        RS6000_BTM_P9_VECTOR.
        (altivec_init_builtins): Define builtins used to implement vec_xl
        and vec_xst.
        (rs6000_builtin_mask_names): Define power9-vector.
        * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
        (RS6000_BTM_P9_VECTOR): Define.
        (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
        * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
        (vsx_ld_elemrev_v2df): Likewise.
        (vsx_ld_elemrev_v4sf): Likewise.
        (vsx_ld_elemrev_v4si): Likewise.
        (vsx_ld_elemrev_v8hi): Likewise.
        (vsx_ld_elemrev_v16qi): Likewise.
        (vsx_st_elemrev_v2df): Likewise.
        (vsx_st_elemrev_v2di): Likewise.
        (vsx_st_elemrev_v4sf): Likewise.
        (vsx_st_elemrev_v4si): Likewise.
        (vsx_st_elemrev_v8hi): Likewise.
        (vsx_st_elemrev_v16qi): Likewise.
        * doc/extend.texi: Add prototypes for vec_xl and vec_xst.  Correct
        grammar.

2016-05-30  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2016-05-11  Richard Biener  <rguenther@suse.de>

        PR middle-end/71002
        * alias.c (reference_alias_ptr_type): Preserve alias-set zero
        if the langhook insists on it.
        * fold-const.c (make_bit_field_ref): Add arg for the original
        reference and preserve its alias-set.
        (decode_field_reference): Take exp by reference and adjust it
        to the original memory reference.
        (optimize_bit_field_compare): Adjust callers.
        (fold_truth_andor_1): Likewise.

        2016-05-13  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/71071
        * fold-const.c (fold_checksum_tree): Allow modification
        of TYPE_ALIAS_SET during folding.

2016-05-30  Eric Botcazou  <ebotcazou@adacore.com>

        * config/visium/visium.c (visium_split_double_add): Minor tweaks.
        (visium_expand_copysign): Use gen_int_mode directly.
        (visium_compute_frame_size): Minor tweaks.

2016-05-30  Tom de Vries  <tom@codesourcery.com>

        backport:
        2016-05-30  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/69067
        * graphite-isl-ast-to-gimple.c (get_def_bb_for_const): Remove assert.

2016-05-27  Eric Botcazou  <ebotcazou@adacore.com>

        * config/visium/visium-protos.h (split_double_move): Rename into...
        (visium_split_double_move): ...this.
        (visium_split_double_add): Declare.
        * config/visium/visium.c (split_double_move): Rename into...
        (visium_split_double_move): ...this.
        (visium_split_double_add): New function.
        (visium_expand_copysign): Renumber operands for consistency.
        * config/visium/visium.md (DImode move splitter): Adjust to renaming.
        (DFmode move splitter): Likewise.
        (*addi3_insn): Split by means of visium_split_double_add.
        (*adddi3_insn_flags): Delete.
        (*plus_plus_sltu<subst_arith>): New insn.
        (*subdi3_insn): Split by means of visium_split_double_add.
        (subdi3_insn_flags): Delete.
        (*minus_minus_sltu<subst_arith>): New insn.
        (*negdi2_insn): Split by means of visium_split_double_add.
        (*negdi2_insn_flags): Delete.

2016-05-27  Ilya Enkovich  <ilya.enkovich@intel.com>

        Backport from mainline r236810.
        2016-05-27  Ilya Enkovich  <ilya.enkovich@intel.com>

        PR middle-end/71279
        * fold-const.c (fold_ternary_loc): Don't fold VEC_COND_EXPR
        into comparison.

2016-05-25  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-phiopt.c (factor_out_conditional_conversion): Remove
        redundant test and bail out if the type of the new operand is not
        a GIMPLE register type after stripping a VIEW_CONVERT_EXPR.

2016-05-24  Martin Sebor  <msebor@redhat.com>

        PR c++/71147
        * tree.h (complete_or_array_type_p): New inline function.

2016-05-24  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.h (TARGET_AVOID_4BYTE_PREFIXES): Define.
        * config/i386/constraints.md (Yr): Test TARGET_AVOID_4BYTE_PREFIXES
        rather than X86_TUNE_AVOID_4BYTE_PREFIXES.  Use SSE_REGS instead
        of ALL_SSE_REGS.  Return SSE_REGS also when TARGET_AVX.

2016-05-24  Jakub Jelinek  <jakub@redhat.com>

        PR c++/71257
        * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
        SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
        SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP.  Add
        SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP and
        SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP cases explicitly.

2016-05-23  Martin Jambor  <mjambor@suse.cz>

        * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
        default block if a PHI node in the original one would be resized.

2016-05-23  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/70884
        * tree-sra.c (initialize_constant_pool_replacements): Do not check
        should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
        (sort_and_splice_var_accesses): Do not consider multiple scalar reads
        of constant pool data as a reason for scalarization.

2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>

        * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
        for naked functions.
        (thumb1_expand_prologue): Likewise.

2016-05-20  Jakub Jelinek  <jakub@redhat.com>

        PR c++/71210
        * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
        calls if the LHS is variable length or has addressable type.
        If targets[0]->decl is a noreturn call with void return type and
        zero arguments, adjust fntype and remove lhs in that case.

2016-05-20  Uros Bizjak  <ubizjak@gmail.com>

        * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
        force pending loads from memory.

2016-05-19  Marek Polacek  <polacek@redhat.com>

        Backport from mainline
        2016-05-19  Marek Polacek  <polacek@redhat.com>

        PR tree-optimization/71031
        * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
        condition and adjust the code a bit.

2016-05-19  Martin Jambor  <mjambor@suse.cz>

        PR ipa/70646
        * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
        if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.

2016-05-19  Martin Jambor  <mjambor@suse.cz>

        PR ipa/70646
        * ipa-inline.h (condition): New field size.
        * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
        for comaprison and store it into the new condition.
        (evaluate_conditions_for_known_args): Use condition size to check
        access sizes for all but CHANGED conditions.
        (unmodified_parm_1): New parameter size_p, store access size into it.
        (unmodified_parm): Likewise.
        (unmodified_parm_or_parm_agg_item): Likewise.
        (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
        (set_cond_stmt_execution_predicate): Extract access sizes and store
        them to conditions.
        (set_switch_stmt_execution_predicate): Likewise.
        (will_be_nonconstant_expr_predicate): Likewise.
        (will_be_nonconstant_predicate): Likewise.
        (inline_read_section): Stream condition size.
        (inline_write_summary): Likewise.
        * lto-streamer.h (LTO_minor_version): Bump.

2016-05-18  Martin Liska  <mliska@suse.cz>

        Backport from mainline
        2016-05-18  Martin Liska  <mliska@suse.cz>

        PR fortran/70856
        * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
        merged variables.

2016-05-18  Jakub Jelinek  <jakub@redhat.com>

        PR c++/71100
        * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
        lhs if it has TREE_ADDRESSABLE type.

2016-05-18  Uros Bizjak  <ubizjak@gmail.com>

        PR target/71145
        * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
        (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.

2016-05-17  Thomas Schwinge  <thomas@codesourcery.com>

        Backport trunk r235748:
        PR target/70860
        * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
        (nvptx_function_value): Assert non-NULL cfun.

2016-05-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        Backport from mainline
        2016-05-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/70809
        * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.

2016-05-16  Martin Jambor  <mjambor@suse.cz>

        * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
        (get_symbol_for_decl): Sorry if a global symbol in under-aligned.

2016-05-16  Martin Jambor  <mjambor@suse.cz>

        PR hsa/70857
        * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
        the outlined kernel function.

2016-05-16  James Norris  <jnorris@codesourcery.com>

        Backport from mainline r236098.
        2016-05-10  James Norris  <jnorris@codesourcery.com>

        PR driver/68463
        * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
        if offloading is enabled and -fopenacc or -fopenmp is specified.
        (CRTOFFLOADEND): Likewise.
        (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
        (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.

2016-05-16  Alan Modra  <amodra@gmail.com>

        Apply from mainline
        2016-05-10  Alan Modra  <amodra@gmail.com>
        PR target/70947
        * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
        regrename modifying insns saving lr before __morestack call.
        * config/rs6000/rs6000.md (split_stack_return): Similarly for
        insns restoring lr after __morestack call.

2016-05-13  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2016-04-27  Richard Biener  <rguenther@suse.de>

        PR ipa/70760
        * tree-ssa-structalias.c (find_func_aliases_for_call): Use
        aggregate_value_p to determine if a function result is
        returned by reference.

        2016-05-06  Richard Biener  <rguenther@suse.de>

        PR middle-end/70931
        * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.

        2016-05-06  Richard Biener  <rguenther@suse.de>

        PR middle-end/70941
        * fold-const.c (split_tree): Always convert to the original type
        before negating.

2016-05-12  Martin Liska  <mliska@suse.cz>

        Backport from mainline
        2016-05-10  Martin Liska  <mliska@suse.cz>

        * tree-inline.c (remap_dependence_clique): Do not remap
        debugging statements.

2016-05-12  Ilya Enkovich  <ilya.enkovich@intel.com>

        Backport from mainline r236171.
        2016-05-12  Ilya Enkovich  <ilya.enkovich@intel.com>

        PR tree-optimization/71006
        * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
        consider COND_EXPR as a mask producer.

2016-05-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        Backport from mainline
        2016-05-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/70830
        * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
        when popping the PC and within an interrupt handler routine.
        Add missing tab to output of "ldmfd".
        (output_return_instruction): Output LDMFD with SP update rather
        than POP when returning from interrupt handler.

2016-05-11  Ilya Enkovich  <ilya.enkovich@intel.com>

        Backport from mainline r236088.
        2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>

        PR middle-end/70877
        * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
        calls with type casted fndecl.

2016-05-11  Ilya Enkovich  <ilya.enkovich@intel.com>

        Backport from mainline r236086.
        2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>

        PR tree-optimization/70876
        * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
        * gcc/calls.c (initialize_argument_information): Bind bounds
        with corresponding args passed by reference.

2016-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        Backport from mainline
        2016-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR target/70963
        * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
        code for a zero scale factor.
        (vsx_xvcvdpuxds_scale): Likewise.

2016-05-10  Jakub Jelinek  <jakub@redhat.com>

        Backported from mainline
        2016-05-03  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/70916
        * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
        if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.

2016-05-10  Yuri Rumyantsev  <ysrumyan@gmail.com>

        Backport from mainline r235962.
        2016-05-06  Yuri Rumyantsev  <ysrumyan@gmail.com>

        PR debug/70935
        * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
        loop latch destination.

2016-05-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        Backport from mainline
        2016-05-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
        ("*fixuns_truncdfdi2_z13")
        ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
        ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
        ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.

2016-05-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>

        Backport from mainline
        2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>

        * config/rtems.h (LIB_SPEC): Add -latomic.

2016-05-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>

        Backport from mainline
        2016-04-27  Joel Sherrill  <joel@rtems.org>

        * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
        xilink.ld and flags not relevant to RTEMS.

2016-05-09  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (absneg splitters with general regs): Use
        general_reg_operand predicate.
        (btsq peephole2): Use x86_64_immediate_operand to check if new
        value is suitable for immediate operand.  Generate emitted insn
        using RTL expressions.
        (btcq peephole2): Ditto.
        (btrq peephole2): Ditto.  Generate correct immediate operand
        for AND masking.

2016-05-07  Tom de Vries  <tom@codesourcery.com>

        backport:
        2016-05-07  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/70956
        * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
        def.

2016-05-06  Marek Polacek  <polacek@redhat.com>

        Backported from mainline
        2016-05-06  Marek Polacek  <polacek@redhat.com>

        PR sanitizer/70875
        * ubsan.c (get_ubsan_type_info_for_type): Remove assert.

2016-05-06  Marek Polacek  <polacek@redhat.com>

        Backported from mainline
        2016-04-29  Marek Polacek  <polacek@redhat.com>
                    Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/70342
        * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
        TARGET_EXPR_SLOT as a base.

2016-05-04  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
        comment.
        (compute_samebase_partition_bases): Fix typo.

2016-05-03  Pierre-Marie de Rodat  <derodat@adacore.com>

        * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
        occurence with frame_offset_ ones.

2016-04-28  Jakub Jelinek  <jakub@redhat.com>

        PR target/70858
        * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
        to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
        (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
        __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
        __builtin_ia32_pdep_di and __builtin_ia32_pext_di.

2016-04-28  Eric Botcazou  <ebotcazou@adacore.com>

        Backport from mainline
        2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>

        PR ada/70759
        * stor-layout.h (internal_reference_types): Delete.
        * stor-layout.c (reference_types_internal): Likewise.
        (internal_reference_types): Likewise.
        (layout_type) <REFERENCE_TYPE>: Adjust.

2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        Backport from mainline
        2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000-builtin.def: Correct pasto error for
        stxvd2x and stxvw4x built-in functions.

2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>

        Backported from mainline
        2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/70750
        * config/i386/predicates.md (call_insn_operand): Replace
        sibcall_memory_operand with memory_operand.

2016-04-27  Richard Biener  <rguenther@suse.de>

        PR ipa/70785
        * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
        function cummulating used_from_other_partition, externally_visible
        and force_output from aliases.
        (refered_from_nonlocal_var): Likewise.
        (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
        node flags properly.

2016-04-27  Jakub Jelinek  <jakub@redhat.com>

        Backported from mainline
        2016-04-23  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/70712
        * cfgexpand.c (expand_stack_vars): Fix typo.

        2016-04-19  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/70680
        * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
        implicitly linear or lastprivate iterator on the outer context.

2016-04-27  Kirill Yukhin  <kirill.yukhin@intel.com>

        PR target/70728
        * gcc/config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
        Extract AVX-512BW constraint from AVX.

2016-04-27  Jakub Jelinek  <jakub@redhat.com>

        * BASE-VER: Set to 6.1.1.

2016-04-27  Release Manager

        * GCC 6.1.0 released.

2016-04-25  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70780
        * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
        wasn't visited yet.
        (compute_antic): Mark blocks with abnormal preds as visited as
        they have a final empty antic-in solution already.

2016-04-22  H.J. Lu  <hongjiu.lu@intel.com>

        Backport from mainline
        2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>

        * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.

2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>

        * system.h (list, map, set, vector): Include conditionally.
        * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
        * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
        * ipa-icf.c (INCLUDE_LIST): Define.
        * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
        * config/sh/sh.c (INCLUDE_VECTOR): Define.
        * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
        (INCLUDE_LIST, INCLUDE_VECTOR): Define.
        * cp/logic.cc (INCLUDE_LIST): Define.
        * fortran/trans-common.c (INCLUDE_MAP): Define.

2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>

        * auto-profile.c: Remove <string.h> include.
        * ipa-icf-gimple.c: Remove <list> include.
        * diagnostic.c: Remove <new> include.
        * genmatch.c: Likewise.
        * pretty-print.c: Likewise.
        * toplev.c: Likewise
        * c/c-objc-common.c: Likewise.
        * cp/error.c: Likewise.
        * fortran/error.c: Likewise.

2016-04-21  Richard Biener  <rguenther@suse.de>

        PR middle-end/70747
        * fold-const.c (fold_comparison): Return properly typed
        constant boolean.

2016-04-20  Andrew Pinski  <apinski@cavium.com>
            Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/64971
        * config/aarch64/aarch64.md (sibcall): Force call
        address to be DImode for ILP32.
        (sibcall_value): Likewise.

2016-04-20  Marek Polacek  <polacek@redhat.com>

        * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
        rather than true.

2016-04-20  Marek Polacek  <polacek@redhat.com>

        PR tree-optimization/70725
        * tree-if-conv.c (is_false_predicate): New function.
        (predicate_mem_writes): Use it.

2016-04-20  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70726
        * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
        shift amounts from a pattern stmt operand.

2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        PR target/70674
        * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
        stack_restore_from_fpr pattern when restoring r15.
        (s390_optimize_prologue): Strip away the memory barrier in the
        parallel when trying to get rid of restore insns.
        * config/s390/s390.md ("stack_restore_from_fpr"): New insn
        definition for loading the stack pointer from an FPR.  Compared to
        the normal move insn this pattern includes a full memory barrier.

2016-04-19  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70724
        * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
        restoring out from ...
        (free_scc_vn): ... here.
        * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
        * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
        tail merging.
        (pass_fre::execute): Restore SSA info.

2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
        gld requirements.
        (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc
        versions.
        Mention Solaris 11 packaging changes.
        Update gas and gld requirements.
        Remove reference to pre-Solaris 10 bug.
        (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
        systems and bugs.
        (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
        with cc.

2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>

        PR target/70711
        * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
        armv8.1-a and armv8.1-a+crc.

2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>

        * has-brig.c (lendian16): Don't try to use __builtin_bswap16
        unless compiling with at least GCC-4.8.

2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>

        PR target/70662
        * config/i386/sse.md (define_insn "<avx512>_vec_dup<mode><mask_name>"):
        Fix mode size check.

2016-04-15  Jakub Jelinek  <jakub@redhat.com>

        * BASE-VER: Set to 6.0.1.
        * DEV-PHASE: Set to prerelease.

2016-04-15  Alexander Monakov  <amonakov@ispras.ru>

        * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.

2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
        architecture revisions.

2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>

        * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
        * config/i386/i386.c (ix86_using_red_zone): No longer static.
        * config/i386/i386.md (stack decrement to push peepholes): Guard
        with !x86_using_red_zone ().

2016-04-15  Jakub Jelinek  <jakub@redhat.com>

        PR c++/70675
        * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
        to dump_generic_node.
        (NIY): Pass also flags to do_niy.

2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>

        * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
        (simd_clone_vector_of_formal_parm_types)
        (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
        (simd_clone_mangle, simd_clone_create)
        (simd_clone_adjust_return_type, create_tmp_simd_array)
        (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
        (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
        (ipa_simd_modify_function_body, simd_clone_linear_addend)
        (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
        (pass_data_omp_simd_clone, class pass_omp_simd_clone)
        (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move
        into...
        * omp-simd-clone.c: ... this new file.
        (simd_clone_vector_of_formal_parm_types): Make it static.
        * Makefile.in (OBJS): Add omp-simd-clone.o.

2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>

        PR target/70662
        * config/i386/sse.md: Use proper memory operand
        modifiers.


2016-04-15  Richard Biener  <rguenther@suse.de>
        Alan Modra  <amodra@gmail.com>

        PR tree-optimization/70130
        * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
        when alignment stays not the same and no not use the realign
        scheme then.

2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/70669
        * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
        direct move handlers for KFmode. Change TFmode handlers test from
        FLOAT128_IEEE_P to FLOAT128_VECTOR_P.

2016-04-14  Jakub Jelinek  <jakub@redhat.com>

        PR c++/70594
        * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
        * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
        (inlined_polymorphic_ctor_dtor_block_p): Use it.
        * tree-ssa-live.c (remove_unused_scope_block_p): When
        in_ctor_dtor_block, avoid discarding not just BLOCKs with
        BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
        block_ultimate_origin is FUNCTION_DECL.
        (remove_unused_locals): If current_function_decl is
        polymorphic_ctor_dtor_p, pass initial true to
        remove_unused_scope_block_p' is_ctor_dtor_block.

2016-04-14  Martin Sebor  <msebor@redhat.com>

        PR c++/69517
        PR c++/70019
        PR c++/70588
        * doc/extend.texi (Variable Length): Revert.

2016-04-14  Marek Polacek  <polacek@redhat.com>
            Jan Hubicka  <hubicka@ucw.cz>

        PR c++/70029
        * tree.c (verify_type): Disable the canonical type of main variant
        check.

2016-04-14  Jason Merrill  <jason@redhat.com>

        * cfgexpand.c, expr.c: Revert previous change.

2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>

        PR middle-end/70643
        * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
        when building a mem ref for the incoming reduction variable.

2016-04-14  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70614
        * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
        loop if the evolution dropped to chrec_dont_know.
        (interpret_condition_phi): Likewise.

2016-04-14  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70623
        * tree-ssa-pre.c (changed_blocks): Make global ...
        (compute_antic): ... local here.  Move and fix worklist
        handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
        (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
        worklist handling, dump when ANTIC_IN changed.
        (compute_partial_antic_aux): Remove worklist handling.
        (init_pre): Do not compute post dominators.  Add a comment about
        the CFG order chosen.
        (fini_pre): Do not free post dominators.

2016-04-13  Martin Sebor  <msebor@redhat.com>

        PR c++/69517
        PR c++/70019
        PR c++/70588
        * doc/extend.texi (Variable Length): Document C++ specifics.

2016-04-13  Jakub Jelinek  <jakub@redhat.com>

        PR c++/70641
        * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
        on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
        eh edges have been purged.

        PR c++/70594
        * tree-sra.c (create_access_replacement,
        get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
        gets fancy name.
        * tree-pretty-print.c (dump_fancy_name): New function.
        (dump_decl_name, dump_generic_node): Use it.

2016-04-13  Jason Merrill  <jason@redhat.com>

        * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
        * expr.c (expand_expr_real_1): Likewise.

2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>

        * config/i386/i386.md (kunpckhi): Swap operands.
        (kunpcksi): Likewise.
        (kunpckdi): Likewise.
        * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
        (vec_pack_trunc_<mode>): Likewise.

2016-04-13  Jakub Jelinek  <jakub@redhat.com>

        PR debug/70628
        * explow.c (convert_memory_address_addr_space_1): Formatting fix.

        PR middle-end/70633
        * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
        gimplification turns some element into non-constant.

        PR debug/70628
        * rtl.h (convert_memory_address_addr_space_1): New prototype.
        * explow.c (convert_memory_address_addr_space_1): No longer static,
        add NO_EMIT argument and don't call convert_modes if true, pass
        it down recursively, remove break after return.
        (convert_memory_address_addr_space): Adjust caller.
        * simplify-rtx.c (simplify_unary_operation_1): Call
        convert_memory_address_addr_space_1 instead of convert_memory_address,
        if it returns NULL, don't simplify.

2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/70630
        * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.

2016-04-12  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
        Bump the upper SIMDLEN limits, so that if the return type or
        characteristic type if the return type is void can be passed in
        all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
        allowed.

2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/70640
        * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
        Do not use "=" constraint on an input constraint.
        (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
        (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
        (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
        generates (neg (abs ...)) instead of (abs ...).

2016-04-12  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/70596
        * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
        just invalidate LRA data and reset them.  Adjust dump wording.

2016-04-12  Martin Liska  <mliska@suse.cz>

        Revert
        2016-03-30  Jan Hubicka  <hubicka@ucw.cz>

        * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
        estimates here.
        * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
        max_loop_iterations_int.
        (tree_unswitch_outer_loop): Likewise.
        * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
        * tree-vect-loop.c (vect_analyze_loop_2): Likewise.

2016-04-12  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/68756
        * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
        instead of new_name.

2016-04-12  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/70602
        * tree-sra.c (generate_subtree_copies): Don't write anything into
        constant pool decls.

        * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
        regardless whether there are depend clauses or not.

2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/70381
        * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
        target attribute and pragma from changing the -mfloat128
        and -mfloat128-hardware options.

        * doc/extend.texi (Additional Floating Types): Document PowerPC
        __float128 restrictions.

2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>

        PR target/70133
        * config/aarch64/driver-aarch64.c
        (aarch64_get_extension_string_for_isa_flags): New.
        (arch_extension): Rename to...
        (aarch64_arch_extension): ...This.
        (ext_to_feat_string): Rename to...
        (aarch64_extensions): ...This.
        (aarch64_core_data): Keep track of architecture extension flags.
        (cpu_data): Rename to...
        (aarch64_cpu_data): ...This.
        (aarch64_arch_driver_info): Keep track of architecture extension
        flags.
        (get_arch_name_from_id): Rename to...
        (get_arch_from_id): ...This, change return type.
        (host_detect_local_cpu): Update and reformat for renames, handle
        extensions through common infrastructure.

2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>

        PR target/70133
        * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
        track of a canonical flag name.
        (all_extensions): Likewise.
        (arch_to_arch_name): Also track extension flags enabled by the arch.
        (all_architectures): Likewise.
        (aarch64_parse_extension): Move to here.
        (aarch64_get_extension_string_for_isa_flags): Take a new argument,
        rework.
        (aarch64_rewrite_selected_cpu): Update for above change.
        * config/aarch64/aarch64-option-extensions.def: Rework the way flags
        are handled, such that the single explicit value enabled by an
        extension is kept seperate from the implicit values it also enables.
        * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
        to here.
        (aarch64_parse_extension): New.
        * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
        here to config/aarch64/aarch64-protos.h.
        (aarch64_parse_extension): Move from here to
        common/config/aarch64/aarch64-common.c.
        (aarch64_option_print): Update.
        (aarch64_declare_function_name): Likewise.
        (aarch64_start_file): Likewise.
        * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
        the canonical flag for extensions.
        * config.gcc (aarch64*-*-*): Extend regex for capturing extension
        flags.

2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
        AARCH64_FL_CRC.

2016-04-09  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/68953
        * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
        first to last subscript.

2016-04-09  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/70586
        * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
        for any calls.

2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>

        PR lto/70289
        PR ipa/70348
        PR tree-optimization/70373
        PR middle-end/70533
        PR middle-end/70534
        PR middle-end/70535
        * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
        clauses for acc parallel reductions as necessary.  Error on those
        that are private.
        * omp-low.c (scan_sharing_clauses): Don't install variables which
        are used in acc parallel reductions.
        (lower_rec_input_clauses): Remove dead code.
        (lower_oacc_reductions): Add support for reference reductions.
        (lower_reduction_clauses): Remove dead code.
        (lower_omp_target): Don't remap variables appearing in acc parallel
        reductions.
        * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.

2016-04-08  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/70593
        * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
        with multiple SSA_NAME defs, force the outputs other than first
        to be live before calling live_track_process_def on each output.

        PR rtl-optimization/70574
        * fwprop.c (forward_propagate_and_simplify): Don't add
        REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
        (try_fwprop_subst): Don't add REG_EQUAL note if there are any
        paradoxical subregs within *loc.

2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>

        * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
        -ftree-parallelize-loops={0,1}.
        * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
        * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
        * config/ia64/hpux.h (LIB_SPEC): Likewise.
        * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
        * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.

2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>

        PR sanitizer/70541
        * asan.c (instrument_derefs): If we get unknown location, extract it
        with EXPR_LOCATION.
        (maybe_instrument_call): Instrument gimple_call's arguments if needed.

2016-04-08  Tom de Vries  <tom@codesourcery.com>

        * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
        implicit firstprivate clause.

2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/70566
        * config/arm/thumb2.md (tst + branch-> lsls + branch
        peephole below *orsi_not_shiftsi_si): Require that condition
        register is dead after the peephole.
        (second peephole after the above): Likewise.

2016-04-08  Alan Modra  <amodra@gmail.com>

        PR target/70117
        * builtins.c (fold_builtin_classify): For IBM extended precision,
        look at just the high-order double to test for NaN.
        (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
        test just the high double for Inf but both doubles for subnormal
        limit.

2016-04-07  Jakub Jelinek  <jakub@redhat.com>

        * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
        * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
        node->simdclone->mask_mode != VOIDmode masks.
        (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
        earlier, use it instead of node->simdclone.
        * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
        Set clonei->mask_mode.

2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>

        PR c/70436
        * parser.c (cp_parser_iteration_statement): New parameter IF_P.
        Pass it through to cp_parser_already_scoped_statement.
        (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
        it through to cp_parser_statement.
        (cp_parser_statement): Pass IF_P through to
        cp_parser_iteration_statement.
        (cp_parser_pragma): Adjust call to
        cp_parser_iteration_statement.

2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>

        PR c/70436
        * gimplify.c (gimplify_omp_ordered): Add explicit braces to
        resolve a future -Wparentheses warning.
        * omp-low.c (scan_sharing_clauses): Likewise.
        * tree-parloops.c (eliminate_local_variables): Likewise.

2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/70398
        * lra-constraints.c (process_address_1): Check zero scale and code
        for reloading with zero scale.

2016-04-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
        (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.

2016-04-06  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
        Add support for AVX512F clones, include them by default for
        exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
        and use it if charasteric type is 8-bit, for AVX512F allow simdlen
        up to 128.

        PR middle-end/70550
        * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
        * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
        firstprivate clauses.
        * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
        OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
        (lower_omp_target): Set TREE_NO_WARNING for
        non-addressable possibly uninitialized vars which are copied into
        addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.

2016-04-05  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/predicates.md (integer_store_memory_operand): Accept
        REG+D operands with a large offset when reload_in_progress is true.
        (floating_point_store_memory_operand): Likewise.

2016-04-05  Jakub Jelinek  <jakub@redhat.com>

        PR c++/70336
        * match.pd (nested int casts): Limit to GIMPLE.

2016-04-05  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/66223
        * ipa-devirt.c (maybe_record_node): Fix comment; use
        SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.

2016-04-05  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/70542
        * ree.c (add_removable_extension): For VECTOR_MODE_P punt
        if there are any uses other than insn or debug insns.

2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
            Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/70509
        * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
        Shift HOST_WIDE_INT_1U instead of 1.

2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>

        PR tree-optimization/70509
        * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
        of the vector base type for index.

2016-04-05  Uros Bizjak  <ubizjak@gmail.com>

        PR target/70510
        * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.

2016-04-05  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70526
        * tree-sra.c (build_ref_for_offset): Use prev_base to
        extract the alias pointer type.

2016-04-05  Richard Biener  <rguenther@suse.de>

        * dse.c (struct store_info): Remove alias_set member.
        (struct read_info_type): Likewise.
        (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
        spill_deleted, clear_alias_set_lookup): Remove.
        (get_group_info): Remove dead base == NULL_RTX case.
        (dse_step0): Remove initialization of removed variables.
        (delete_dead_store_insn): Reomve alias set dumping.
        (free_read_records): Remove alias_set handling.
        (canon_address): Remove alias_set_out parameter.
        (record_store): Remove spill_alias_set, it's always zero.
        (check_mem_read_rtx): Likewise.
        (dse_step2): Rename from ...
        (dse_step2_nospill): ... this.  Adjust.
        (scan_stores): Rename from ...
        (scan_stores_nospill): ... this.
        (scan_reads): Rename from ...
        (scan_reads_nospill): ... this.
        (scan_stores_spill, scan_reads_spill): Remove.
        (dse_step3_scan): Remove for_spills argument which is always false.
        (dse_step3): Likewise.
        (dse_step5): Rename from ...
        (dse_step5_nospill): ... this.  Remove alias_set handling.
        (rest_of_handle_dse): Adjust.

2016-04-05  Jakub Jelinek  <jakub@redhat.com>

        PR target/70525
        * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
        Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
        V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
        (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.

2016-04-05  Richard Biener  <rguenther@suse.de>

        PR middle-end/70499
        * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
        non-register type temporaries into SSA.

2016-04-04  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/66223
        * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
        calls when sanitizing.
        (possible_polymorphic_call_target_p): Fix formatting.

2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
            Jakub Jelinek <jakub@redhat.com>

        PR middle-end/70457
        * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
        to ensure a call statement is compatible with a built-in's
        prototype.
        * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
        Likewise.

2016-04-04  Richard Biener  <rguenther@suse.de>

        PR rtl-optimization/70484
        * rtl.h (canon_output_dependence): Declare.
        * alias.c (canon_output_dependence): New function.
        * dse.c (record_store): Use canon_output_dependence rather
        than canon_true_dependence.

2016-03-30  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/68881
        * cgraph.h (symtab_node::copy_visibility_from): New function.
        * symtab.c (symtab_node::copy_visibility_from): New function.
        * ipa-visibility.c (optimize_weakref): New function.
        (function_and_variable_visibility): Use it.

2016-04-04  Martin Liska  <mliska@suse.cz>

        PR hsa/70402
        * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
        value that is really in range handled by SBR instruction.
        * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
        * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
        * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.

2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/70416
        PR target/67391
        * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
        set, but not for SP_REG operands.

2016-04-02  Martin Sebor  <msebor@redhat.com>

        PR c++/67376
        * fold-const.c (maybe_nonzero_address): New function.
        (fold_comparison): Call it.  Fold equality and relational
        expressions involving null pointers.
        (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.

2016-03-31  Evandro Menezes  <e.menezes@samsung.com>

        Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
        the "Y" constraint (scalar FP 0.0 immediate).

        * gcc/config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
        Add the "const_double" to the list of operand constraints.

2016-04-01  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/70467
        * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
        If low word of the last operand is 0, just emit addition/subtraction
        for the high word.

2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        PR target/70404
        * config/s390/s390.c (s390_expand_insv): Check for everything
        constant instead of just VOIDmode stuff.

2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR target/70496
        * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.

2016-04-01  Nathan Sidwell  <nathan@acm.org>

        * tree.def (TRY_CATCH_EXPR): Correct documentation.

2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/70461
        * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
        is necessary.

2016-03-31  Martin Liska  <mliska@suse.cz>

        PR hsa/70399
        * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
        a tree value or an immediate integer value to a buffer
        that is eventually copied to a BRIG section.
        (emit_immediate_operand): Call the function here.
        * hsa-dump.c (dump_hsa_immed): Remove checking assert.
        * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
        of class' fields that are removed.
        (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
        * hsa.h (class hsa_op_immed): Remove m_brig_repr and
        m_brig_repr_size fields.

2016-03-31  Martin Liska  <mliska@suse.cz>

        PR hsa/70391
        * hsa-gen.c (hsa_function_representation::update_dominance): New
        function.
        (convert_addr_to_flat_segment): Likewise.
        (gen_hsa_memory_set): New alignment argument.
        (gen_hsa_ctor_assignment): Likewise.
        (gen_hsa_insns_for_single_assignment): Provide alignment
        to gen_hsa_ctor_assignment.
        (gen_hsa_insns_for_direct_call): Add new argument.
        (expand_lhs_of_string_op): New function.
        (expand_string_operation_builtin): Likewise.
        (expand_memory_copy): New function.
        (expand_memory_set): New function.
        (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
        (convert_switch_statements): Change signature.
        (generate_hsa): Use a return value of the function.
        (pass_gen_hsail::execute): Do not call
        convert_switch_statements here.
        * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
        * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
        (hsa_function_representation::update_dominance): New function.

2016-03-31  Martin Liska  <mliska@suse.cz>

        PR hsa/70391
        * hsa-brig.c (emit_directive_variable): Emit alignment
        according to hsa_symbol::m_align.
        * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
        (dump_hsa_symbol): Dump alignment of HSA symbols.
        * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
        (gen_hsa_addr_with_align): New function.
        (hsa_bitmemref_alignment): Use newly added function.
        (gen_hsa_insns_for_load): Likewise.
        (gen_hsa_insns_for_store): Likewise.
        (gen_hsa_memory_copy): New argument added.
        (gen_hsa_insns_for_single_assignment): Respect
        alignment for assignments processed via gen_hsa_memory_copy.
        (gen_hsa_insns_for_direct_call): Likewise.
        (gen_hsa_insns_for_return): Likewise.
        (gen_function_def_parameters): Set default alignment.
        * hsa.c (hsa_object_alignment): New function.
        (hsa_byte_alignment): Pasted function.
        * hsa.h (hsa_symbol::m_align): New field.

2016-03-31  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
        scratch field for goto case.

2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.

2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR target/70442
        * config/i386/i386.c (scalar_chain::convert_op): Fix description.
        (scalar_chain::convert_insn): Call convert_op for reg
        moves to handle undefined registers.

2016-03-31  Nathan Sidwell  <nathan@acm.org>

        PR c++/70393
        * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
        Assert we don't want to move backwards.

2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>

        PR target/70453
        * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.

2016-03-31  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/70460
        * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
        with operand from REG_LABEL_OPERAND, instead substitute
        SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
        Don't do anything for REG_NON_LOCAL_GOTO jumps.

2016-03-31  Martin Liska  <mliska@suse.cz>

        * passes.c (execute_one_pass): Do not call
        todo_after for a discarded function.

2016-03-31  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
        (no_cost, infinite_cost): Initialize the new field.
        (get_computation_cost_at): Record setup cost.
        (determine_use_iv_cost_address): Skip cost computation for sub
        uses if we can estimate it without losing accuracy.

2016-03-30  Jan Hubicka  <hubicka@ucw.cz>

        * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
        estimates here.
        * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
        max_loop_iterations_int.
        (tree_unswitch_outer_loop): Likewise.
        * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
        * tree-vect-loop.c (vect_analyze_loop_2): Likewise.

2016-03-30  Richard Biener  <rguenther@suse.de>

        PR middle-end/70450
        * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.

2016-03-30  Jakub Jelinek  <jakub@redhat.com>

        PR target/70421
        * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
        in gen_blendm expander.

2016-03-30  Nick Clifton  <nickc@redhat.com>

        PR target/62254
        * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
        case where we are already provided with an SImode SUBREG.

2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/70439
        * config/i386/i386.c (ix86_expand_epilogue): Properly check
        conflict between DRAP register and __builtin_eh_return.

2016-03-30  Michael Matz  <matz@suse.de>
            Richard Biener  <rguenther@suse.de>

        PR ipa/12392
        * ipa-polymorphic-call.c (struct type_change_info): Change
        speculative to an unsigned allowing to limit the work we do.
        (csftc_abort_walking_p): New inline function..
        (check_stmt_for_type_change): Limit the number of may-defs
        skipped for speculative devirtualization to
        max-speculative-devirt-maydefs.
        * params.def (max-speculative-devirt-maydefs): New param.
        * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.

2016-03-30  Mike Stump  <mrs@gcc.gnu.org>

        PR target/63890
        * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
        and TARGET_MACHO.

2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>

        PR tree-optimization/59124
        * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
        where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).

2016-03-29  Jeff Law  <law@redhat.com>

        * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.

2016-03-10  Jan Hubicka  <hubicka@ucw.cz>

        * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
        to HOST_WIDE_INT.

2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>

        * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
        * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
        gcrt0.o if linking dynamically.

2016-03-10  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/70283
        * ipa-devirt.c (methods_equal_p): New function.
        (compare_virtual_tables): Use it.
        * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
        * cgraphclones.c (clone_function_name_1): Use
        symbol_table::symbol_suffix_separator.
        * coverage.c (build_var): Likewise.
        * symtab.c (symbol_table::symbol_suffix_separator): New.

2016-03-29  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/70429
        * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
        (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
        mode != result_mode.

        PR c++/70353
        * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.

        PR tree-optimization/70405
        * ssa-iterators.h (num_imm_uses): Add missing braces.

2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/68695
        * ira-color.c (allocno_copy_cost_saving): New.
        (improve_allocation): Use it.

2016-03-29  Richard Henderson  <rth@redhat.com>

        PR middle-end/70355
        * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.

2016-03-29  Richard Biener  <rguenther@suse.de>

        PR middle-end/70424
        * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
        use alignment returned by get_pointer_alignment_1 if it is
        bigger than BITS_PER_UNIT.
        * builtins.c (get_pointer_alignment_1): Do not return true
        for alignment extracted from SSA info.

2016-03-28  James Bowman  <james.bowman@ftdichip.com>

        * config/ft32/ft32.opt (mnodiv): New.
        * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
        * doc/invoke.texi (FT32 Options -mnodiv): New.

2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>

        PR target/70406
        * config/i386/i386.md (define_split, andn): Fix modes.

2016-03-26  Richard Biener  <rguenther@suse.de>
            Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        PR ipa/70366
        * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
        instead of
        TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
        as 2nd argument to cl_optimization_restore().

2016-03-25  Richard Henderson  <rth@redhat.com>

        PR target/70120
        * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
        * config/aarch64/aarch64-protos.h: Declare it.
        * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.

2016-03-25  Alan Modra  <amodra@gmail.com>

        PR target/70052
        * config/rs6000/constraints.md (j): Simplify.
        * config/rs6000/predicates.md (easy_fp_constant): Exclude
        decimal float 0.D.
        * config/rs6000/rs6000.md (zero_fp): New mode_attr.
        (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
         mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
        in all constraint alternatives.
        (movtd_64bit_nodm): Delete "j" constraint alternative.

2016-03-24  Aldy Hernandez  <aldyh@redhat.com>

        * tree-ssa-propagate.c: Enhance docs for
        SSA_PROP_NOT_INTERESTING.

2016-03-24  Aldy Hernandez  <aldyh@redhat.com>

        * doc/extend.texi: Fix typo in documentation to pure attribute.

2016-03-24  John David Anglin  <danglin@gcc.gnu.org>

        PR target/70319
        * config/pa/pa.md (bswapdi2): Use a scratch register.

2016-03-24  Richard Henderson  <rth@redhat.com>

        PR middle-end/69845
        * fold-const.c (extract_muldiv_1): Correct test for multiplication
        overflow.

2016-03-24  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
        using ix86_expand_binary_operator instead of gen_andsi3.

2016-03-24  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70396
        * tree-vect-stmts.c (vectorizable_comparison): Use
        get_vectype_for_scalar_type.

2016-03-24  Richard Biener  <rguenther@suse.de>

        PR middle-end/70370
        * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
        with register bases.

2016-03-24  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70372
        * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
        build_all_ones_cst to also handle vector types correctly.

2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/70381
        * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
        -mfloat128 here.

2016-03-23  Marek Polacek  <polacek@redhat.com>

        PR c++/69884
        * doc/invoke.texi: Document -Wignored-attributes.

2016-03-23  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/69042
        * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
        parameter from 30 to 40.

2016-03-23  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/69042
        * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
        for use with constant offset stripped in base.

2016-03-23  Richard Biener  <rguenther@suse.de>

        PR middle-end/70251
        * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
        mode compatibility check.
        (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.

2016-03-23  Jeff Law  <law@redhat.com>

        PR tree-optimization/64058
        * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
        CONFLICT_COUNT.
        (struct ssa_conflicts): Move up earlier in the file.
        (conflicts_, var_map_): New static variables.
        (initialize_conflict_count): New function to initialize the
        CONFLICT_COUNT field for each conflict pair.
        (compare_pairs): Lazily initialize the conflict count and use it
        as the first tie-breaker.
        (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
        and wipe conflicts_ and map_ around the call to qsort.  Remove
        special case for 2 coalesce pairs.
        * bitmap.c (bitmap_count_unique_bits): New function.
        (bitmap_count_bits_in_word): New function, extracted from
        bitmap_count_bits.
        (bitmap_count_bits): Use bitmap_count_bits_in_word.
        * bitmap.h (bitmap_count_unique_bits): Declare it.

2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR target/69917
        * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
        transparent alias chain for decl assembler name.
        * config/sol2.c (solaris_assemble_visibility): Likewise.

2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm1020e.md (1020call_op): Reduce reservation
        duration.
        (v10_fdivs): Likewise.
        (v10_fdivd): Likewise.

2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR driver/70132
        * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
        to not call fclose twice on file.

2016-03-23  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/70354
        * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
        oprnd0 is wider than oprnd1 and there is a cast from the wider
        type to oprnd1, mask it with the mask of the narrower type.

        PR target/70321
        * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
        Optimize TARGET_STV splitters, if high or low word of last argument
        is 0 or -1.

2016-03-22  Jeff Law  <law@redhat.com>

        PR target/70232
        tree-ssa-threadbackward.c
        (fsm_find_control_statement_thread_paths): Correctly distinguish
        between old style jump threads vs FSM jump threads.

2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR target/70302
        * config/i386/i386.c (scalar_chain::convert_op): Support
        uninitialized register usage case.

2016-03-22  Richard Biener  <rguenther@suse.de>

        PR middle-end/70251
        * genmatch.c (gen_transform): Adjust last parameter to a three-state
        int...
        (capture::gen_transform): ... to change behavior when substituting
        a condition into cond or not-cond expr context.
        (dt_simplify::gen_1): Adjust.
        * gimple-match-head.c: Include gimplify.h for unshare_expr.
        * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
        last change and instead change to
        A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
        (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.

2016-03-22  Anthony Green  <green@moxielogic.com>

        * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
        issue for moxiebox targets.
        (CC1PLUS_SPEC): Ditto.

2016-03-22  Richard Biener  <rguenther@suse.de>

        PR middle-end/70333
        * fold-const.c (extract_muldiv_1): Properly perform multiplication
        in the wide type.

2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>

        * config/i386/i386.c (def_builtin): Remove duplicated functionality.

2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>

        PR target/70325
        * config/i386/i386.c (def_builtin): Handle
        OPTION_MASK_ISA_AVX512VL to be and-ed with other
        bits.
        (const struct builtin_description bdesc_special_args[]):
        Remove duplicate ISA bits.

2016-03-22  Jakub Jelinek  <jakub@redhat.com>

        PR target/70329
        * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
        d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
        in a way that works also for AVX512BW.

        PR target/70300
        * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
        instead of source if operands[1] is xmm16 and above and
        !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
        vec_interleave_lowv4sf if we need to unpack xmm16 and above.

        PR c++/70295
        * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
        on assign if (*from_p) is a comparison, set it to
        TREE_NO_WARNING (*from_p).

2016-03-21  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/70326
        * lra.c (restore_scratches): Ignore deleted insns.

2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
            Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/70317
        * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
        to HONOR_NANS.

2016-03-21  Uros Bizjak  <ubizjak@gmail.com>

        PR target/70327
        * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
        of ix86_expand_move.
        (movoi): Ditto.
        (movti): Use general_operand for operand 1 predicate.

2016-03-21  Martin Liska  <mliska@suse.cz>

        * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
        insns.
        (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.

2016-03-21  Martin Liska  <mliska@suse.cz>

        PR ipa/70306
        * ipa-icf.c (sem_function::parse): Skip static
        constructors and destructors.

2016-03-21  Jakub Jelinek  <jakub@redhat.com>

        PR target/70296
        * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
        function-like macro, peek following token(s) if it is followed
        by CPP_OPEN_PAREN token with optional padding in between, and
        if not, don't treat it like a macro.

2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
            Alexander Monakov  <amonakov@ispras.ru>

        * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
        for the stabs debug format.

2016-03-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70310
        * tree-vect-generic.c (expand_vector_condition): Fold the built
        condition.

2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>

        PR target/70293
        * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
        Block third alternative for AVX-512VL target,

2016-03-21  Martin Liska  <mliska@suse.cz>

        PR hsa/70234
        * hsa-brig.c (emit_function_directives): Mark unemitted
        global variables for emission.
        * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
        (get_symbol_for_decl): Likewise.
        * hsa.h (struct hsa_symbol): New flag.

2016-03-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70288
        * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
        we do not estimate unsimplified all-constant conditionals or
        switches as optimized away.

2016-03-21  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/69102
        * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
        when we have a readonly dependency context.

2016-03-18  Jeff Law  <law@redhat.com>

        PR rtl-optimization/70263
        * ira.c (memref_used_between_p): Assert we found END in the insn chain.
        (update_equiv_regs): When trying to move a store to after the insn
        that sets the source of the store, make sure the store occurs after
        the insn that sets the source of the store.  When successful note
        the REG_EQUIV note created in the dump file.

2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
            Bernd Schmidt  <bschmidt@redhat.com>

        * doc/extend.texi: Document more potential problems with basic asms.

2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>

        PR rtl-optimization/70278
        * lra-constraints.c (split_reg): Handle the case where biggest_mode is
        VOIDmode.

2016-03-18  Jason Merrill  <jason@redhat.com>

        * calls.c (load_register_parameters): Fix zero size sibcall logic.

2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>

        * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
        values to 128b regs.

2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR tree-optimization/70252
        * tree-vect-stmts.c (supportable_widening_operation): Check resulting
        boolean vector has a proper number of elements.
        (supportable_narrowing_operation): Likewise.

2016-03-18  Tom de Vries  <tom@codesourcery.com>

        PR ipa/70269
        * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.

2016-03-18  Jakub Jelinek  <jakub@redhat.com>

        * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
        instead of replace_rtx for DEBUG_INSNs.

2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>

        * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
        load type reservations.

2016-03-17  John David Anglin  <danglin@gcc.gnu.org>

        PR target/70188
        * config/pa/constraints.md: Revert 2015-02-13 change.  Use
        define_constraint for "Q" and "T" constraints.

2016-03-17  Evandro Menezes  <e.menezes@samsung.com>

        Tweak the pipeline model for Exynos M1

        * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
        model.

2016-03-17  David Malcolm  <dmalcolm@redhat.com>

        PR c/70264
        * diagnostic-show-locus.c (compatible_locations_p): Handle the case
        where one or both locations aren't within a line_map.

2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR driver/70192
        * opts.c (finish_options): Don't set flag_pie to the default if
        -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
        if it is -1.

2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>

        * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
        true as ALL_REGS argument to replace_rtx.

2016-03-17  Richard Biener  <rguenther@suse.de>

        PR debug/70271
        * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
        last.

2016-03-17  Jakub Jelinek  <jakub@redhat.com>

        PR target/70245
        * rtl.h (replace_rtx): Add ALL_REGS argument.
        * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
        equality and assert mode is the same, instead of just rtx pointer
        equality.
        * config/i386/i386.md (mov + arithmetics with load peephole): Pass
        true as ALL_REGS argument to replace_rtx.

2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
        for boolean vector with vector mode only.
        (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.

2016-03-17  Nick Clifton  <nickc@redhat.com>

        PR target/70162
        * config/rx/rx.c (rx_print_integer): Print negative constants in
        decimal.

2016-03-17  Jakub Jelinek  <jakub@redhat.com>

        PR target/70261
        * rtlanal.c (replace_rtx): Revert 2016-03-16 change.

2016-03-16  Richard Henderson  <rth@redhat.com>
            Richard Biener  <rguenth@suse.de>

        PR middle-end/70240
        PR middle-end/68215
        PR tree-opt/68714
        * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
        first operand as is_gimple_condexpr.

        PR middle-end/70240
        PR middle-end/68215
        Revert r231575
        2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
        * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
        Do not gimplify the result.
        (do_unop): Adjust call to tree_vec_extract.
        (do_binop): Likewise.
        (do_compare): Likewise.
        (do_plus_minus): Likewise.
        (do_negate): Likewise.
        (expand_vector_condition): Likewise.
        (do_cond): Likewise.

2016-03-16  Richard Henderson  <rth@redhat.com>

        PR target/70048
        * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
        (aarch64_classify_address): Use it.
        (aarch64_legitimize_address): Force all subexpressions of PLUS
        into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.

2016-03-16  Jakub Jelinek  <jakub@redhat.com>
            Richard Biener  <rguenth@suse.de>

        PR target/70245
        * rtlanal.c (replace_rtx): For REG, if from is a REG,
        return to even if only REGNO is equal, and assert
        mode is the same.

2016-03-11  Jeff Law  <law@redhat.com>

        PR rtl-optimization/70224
        * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.

2016-03-16  Richard Henderson  <rth@redhat.com>

        PR middle-end/70199
        * function.h (struct function): Add has_forced_label_in_static.
        * gimplify.c (force_labels_r): Set it.
        * lto-streamer-in.c (input_struct_function_base): Read it.
        * lto-streamer-out.c (output_struct_function_base): Write it.
        * tree-inline.c (has_label_address_in_static_1): Remove.
        (copy_forbidden): Remove fndecl parameter; test
        has_forced_label_in_static.
        (inline_forbidden_p): Update call to copy_forbidden.
        (tree_versionable_function_p): Likewise.
        * ipa-chkp.c (chkp_instrumentable_p): Likewise.
        (chkp_versioning): Likewise.
        * tree-inline.h (copy_forbidden): Update decl.

2016-03-16  Marek Polacek  <polacek@redhat.com>

        PR c/70093
        * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
        function being thunked if the result type doesn't have fixed size.
        * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
        doesn't have fixed size.

2016-03-16  Bin Cheng  <bin.cheng@arm.com>

        * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
        reporting malformed loop nest.

2016-03-16  Tom de Vries  <tom@codesourcery.com>

        PR lto/70187
        * ipa-devirt.c (possible_polymorphic_call_targets): Move
        nodes.length () == 1 test to before first nodes[0] access.

2016-03-16  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/68715
        * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
        single_pred_p test.

2016-03-16  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/68809
        * graphite-scop-detection.c (same_close_phi_node): Test if result types
        are the same.

2016-03-16  Carlos O'Donell  <carlos@redhat.com>
            Sandra Loosemore  <sandra@codesourcery.com>

        * doc/extend.texi (Common Function Attributes): Describe ifunc impact
        on leaf attribute. Mention ELF interposition problems.

2016-03-16  Alan Modra  <amodra@gmail.com>

        PR rtl-optimization/69195
        PR rtl-optimization/47992
        * ira.c (indirect_jump_optimize): Ignore artificial defs.
        Add comments.

2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>

        PR bootstrap/69513
        * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.

2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>

        * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.

2016-03-15  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/70222
        * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
        optimization if mode is different from result_mode, queue up masking
        of the result in outer_op.  Formatting fix.

        PR middle-end/70239
        * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
        of safe_grow.

2016-03-15  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/69032
        * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
        looping backwards over basic block insns.

2016-03-15  Andrey Belevantsev  <abel@ispras.ru>

        PR target/66660
        * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
        to non-speculative when propagating trap bits.

2016-03-15  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/63384
        * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
        DEBUG_INSN_P insns.

2016-03-15  Andrey Belevantsev  <abel@ispras.ru>

        PR target/64411
        * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
        factored out from ...
        (sched_analyze_insn): ... here.
        * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
        * sel-sched-ir.c (setup_id_implicit_regs): New function, use
        get_implicit_reg_pending_clobbers in it.
        (setup_id_reg_sets): Use setup_id_implicit_regs.
        (deps_init_id): Ditto.

2016-03-15  Tom de Vries  <tom@codesourcery.com>

        PR ipa/70161
        * cgraph.c (cgraph_node::get_body): Save, reset and restore
        dump_file_name.
        * passes.c (execute_one_ipa_transform_pass): Add missing argument to
        execute_function_dump.
        (execute_one_pass): Don't dump function if it will be dumped after ipa
        transform.

2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>

        * genrecog.c (match_pattern_2): If pred is NULL don't call
        safe_predicate_mode on it.

2016-03-14  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/70219
        * lra-constraints.c (delete_move_and_clobber): Change assertion
        to also allow dregno == 0.

2016-03-14  Richard Henderson  <rth@redhat.com>

        PR tree-opt/68714
        * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
        (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
        (reassociate_bb): Use optimize_vec_cond_expr; avoid
        optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
        on vectors.

2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>

        PR target/70083
        * lra-lives.c (process_bb_lives): Also update biggest mode for hard
        regs.
        (lra_create_live_ranges_1): initialize hard register biggest_mode to
        VOIDmode.
        * lra-constraints.c (split_reg): For hard regs, try to find the
        biggest single-register mode used in the function.

2016-03-14  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56365
        * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
        constants to compare against.

2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/70098
        * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
        *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
        (define_split for the GPR case): Use int_reg_operand instead of
        gpc_reg_operand for the output.

2016-03-14  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/70045
        * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
        create_empty_if_region_on_edge argument.

2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>

        * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
        (STACK_CHECK_PROTECT): Likewise.
        * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
        (STACK_CHECK_PROTECT): Likewise.
        * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
        (STACK_CHECK_PROTECT): Likewise.
        * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
        * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
        (STACK_CHECK_PROTECT): Likewise.

2016-03-12  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/69307
        * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
        registers in modes that span more than one register.

2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/69614
        * lra-constraints.c (delete_move_and_clobber): New.
        (remove_inheritance_pseudos): Use it.

2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>

        PR ada/70017
        * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
        the libcall is LCT_THROW.
        * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
        for the checking routine.

2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/70131
        * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
        optimization if we have direct move.
        (roundu32<mode>2_fprs): Likewise.

2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>

        PR target/70123
        * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
        be rematerialized.
        (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
        Arguments swapped.  All callers changed.  Take reg_renumber into
        account, and Calculate and compare register ranges for hard regs.

2016-03-11  Jeff Law  <law@redhat.com>

        PR tree-optimization/70190
        * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
        Handle cases where we can not extract the taken edge, even though we
        found a constant value.

        PR tree-optimization/64058
        * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
        (num_coalesce_pairs): Move up earlier in file.
        (find_coalesce_pair): Initialize the INDEX field for each pair
        discovered.
        (compare_pairs): No longer sort on the elements in each pair.
        Instead break ties with the index of the coalesce pair.

2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/70002
        * config/aarch64/aarch64-protos.h
        (aarch64_save_restore_target_globals): New prototype.
        * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
        Call the above when popping pragma.
        * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
        New function.
        (aarch64_set_current_function): Rewrite using the above.

2016-03-11  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/70177
        * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
        (extract_ops_from_tree): ... this.  In the 2 argument
        overload remove _1 suffix.
        * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
        (extract_ops_from_tree): ... this.
        * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
        Adjust callers.
        * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
        * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
        extract_ops_from_tree instead of 2 operand one.

2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>

        PR tree-optimization/70013
        * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
        for constant-pool entries.

2016-03-11  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/70174
        * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
        followed by gen_lowpart on force_reg instead of just gen_lowpart.

        PR tree-optimization/70169
        * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
        LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
        for unknown codes.

2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR target/70160
        * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
        of uninitialized values.

2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
        define_expand.
        ("*trunctddd2"): New pattern definition.
        ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
        TD->DD truncation.

2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
        definitions for BFP and DFP rounding modes.
        ("fixuns_truncdddi2", "fixuns_trunctddi2")
        ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
        ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
        ("fix_trunctf<mode>2"): Use the new constants instead of magic
        numbers.

2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/constraints.md: Adjust comment.
        ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
        s390_decompose_addrstyle_without_index.
        * config/s390/predicates.md (shift_count_or_setmem_operand):
        Rename to setmem_operand.
        * config/s390/s390-protos.h
        (s390_decompose_shift_count): Rename to
        s390_decompose_addrstyle_without_index.
        * config/s390/s390.c (s390_decompose_shift_count)
        (s390_mem_constraint, print_shift_count_operand)
        (print_operand_address, print_operand): Rename
        s390_decompose_shift_count to
        s390_decompose_addrstyle_without_index and rename
        print_shift_count_operand to print_addrstyle_operand troughout the
        file.
        * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
        ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
        Rename shift_count_or_setmem_operand to setmem_operand.
        * config/s390/vx-builtins.md ("vec_insert<mode>")
        ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
        nonmemory_operand.

2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        PR target/70168
        * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
        Handle overlapping retval and newval.

2016-03-10  Nick Clifton  <nickc@redhat.com>

        PR target/7044
        * config/aarch64/aarch64.c
        (aarch64_override_options_after_change_1): When forcing
        flag_omit_frame_pointer to be true, use a special value that can
        be detected if this function is called again, thus preventing
        flag_omit_leaf_frame_pointer from being forced to be false.

2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
        Set x_flag_omit_leaf_frame_pointer when handling
        -momit-leaf-frame-pointer.

2016-03-10  Jan Hubicka  <hubicka@ucw.cz>

        PR lto/69589
        * cgraph.c (cgraph_node::dump): Dump split_part and
        indirect_call_target.
        * cgraph.h (cgraph_node): Add indirect_call_target flag.
        * ipa.c (has_addr_references_p): Cleanup.
        (is_indirect_call_target_p): New.
        (walk_polymorphic_call_targets): Do not mark virtuals that may be
        called indirectly as local.
        (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.

2016-03-10  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/69630
        * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
        on cxa_pure_virtual.

2016-03-10  Jan Hubicka  <hubicka@ucw.cz>

        PR lto/69589
        * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.

2016-03-10  Jan Hubicka  <hubicka@ucw.cz>

        PR lto/69589
        * tree.c (need_assembler_name_p): Only record main variant type names.

2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>

        PR target/70113.
        * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
        Always define to 0 or 1.
        (TARGET_FIX_ERR_A53_843419): New macro.
        * config/aarch64/aarch64-elf-raw.h
        (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
        * config/aarch64/aarch64-linux.h: Likewise.
        * config/aarch64/aarch64.c
        (aarch64_override_options_after_change_1): Do not default
        aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
        843419 is on.
        (aarch64_attributes): Handle fix-cortex-a53-843419.
        (aarch64_can_inline_p): Likewise.
        * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.

2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
        Jakub Jelinek <jakub@redhat.com>

        * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
        * tree.c (array_at_struct_end_p): Do not limit to size of decl for
        DECL_COMMONS if flag_unconstrained_commons is set.
        * tree-dfa.c (get_ref_base_and_extent): Likewise.
        * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
        (funconstrained-commons): Document.

2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>

        * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
        aarch64-fusion-pairs.def and aarch64-tuning-flags.def

2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
        has a proper number of elements.

2016-03-10  Alan Modra  <amodra@gmail.com>

        PR rtl-optimization/69195
        PR rtl-optimization/47992
        * ira.c (recorded_label_ref): Delete.
        (update_equiv_regs): Return void.
        (indirect_jump_optimize): New function.
        (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
        before regstat_compute_ri.  Don't rebuild_jump_labels here.
        Delete update_regstat.

2016-03-10  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70128
        * tree-ssa-structalias.c (set_uids_in_ptset): Set
        vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.

2016-03-09  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/70152
        * tree-sra.c (replace_removed_params_ssa_names): Copy over
        SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.

        PR target/70086
        * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
        instead of gen_sse2_loadlpd.
        * config/i386/sse.md (*vec_concatv2df): Rename to...
        (vec_concatv2df): ... this.

        PR tree-optimization/70127
        * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.

2016-03-09  David Malcolm  <dmalcolm@redhat.com>

        PR c/68473
        PR c++/70105
        * diagnostic-show-locus.c (compatible_locations_p): New function.
        (layout::layout): Sanitize ranges using compatible_locations_p.

2016-03-09  David Malcolm  <dmalcolm@redhat.com>

        PR c/68473
        PR c++/70105
        * diagnostic-show-locus.c (layout_range::layout_range): Replace
        location_range param with three const expanded_locations * and a
        bool.
        (layout::layout): Replace call to
        rich_location::lazily_expand_location with get_expanded_location.
        Extract the range and perform location expansion here, passing
        the results to the layout_range ctor.
        * diagnostic.c (source_range::debug): Delete.
        * diagnostic.h (diagnostic_expand_location): Reimplement in terms
        of rich_location::get_expanded_location.
        * gcc-rich-location.c (get_range_for_expr): Delete.
        (gcc_rich_location::add_expr): Reimplement to avoid the
        rich_location::add_range overload that took a location_range,
        passing a location_t instead.

2016-03-09  Richard Biener  <rguenther@suse.de>
        Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/70138
        * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
        Also skip vect_double_reduction_def.

2016-03-09  Jakub Jelinek  <jakub@redhat.com>

        PR target/70049
        * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
        if the operand is "m".

2016-03-09  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.

2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>

        * config/i386/i386.c (processor_target_table): Fix cost table
        intialization order for znver1.

2016-03-08  Jakub Jelinek  <jakub@redhat.com>

        * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
        - becuase -> because.
        * ipa-reference.c (ignore_module_statics): Likewise.
        * cgraph.c (cgraph_node::get_body): Likewise.
        * ipa-inline.c (early_inliner): Likewise.
        * ipa-devirt.c (types_same_for_odr): Likewise.
        * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
        * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.

2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * tree-ssa-math-opts.c: Fix typo in comment.

2016-03-08  Jakub Jelinek  <jakub@redhat.com>

        PR target/70110
        * config/i386/i386.c (scalar_chain::make_vector_copies,
        scalar_chain::convert_reg): Call end_sequence in between
        get_insns and emit_conversion_insns rather than after both
        calls.

2016-03-07  Uros Bizjak  <ubizjak@gmail.com>

        PR target/70064
        * config/i386/i386.h (machine_function): Add
        pc_thunk_call_expanded flag.
        (ix86_pc_thunk_call_expanded): New define.
        * config/i386/i386.md (set_got, set_got_labelled): New expanders.
        (*set_got): Rename insn pattern from set_got.
        (*set_got_labelled): Rename inst pattern from set_got_labelled.
        * config/i386/i386.c (ix86_compute_frame_layout): Use
        ix86_pc_thunk_call_expanded to prevent red-zone.

2016-03-07  Martin Jambor  <mjambor@suse.cz>

        * hsa.h (hsa_get_ctor_statements): Declare.
        (hsa_get_dtor_statements): Likewise.
        (hsa_get_kernel_dispatch_type): Likewise.
        * hsa.c (hsa_get_ctor_statements): New function.
        (hsa_get_dtor_statements): Likewise.
        (hsa_get_kernel_dispatch_type): Likewise.
        * hsa-brig.c (hsa_cdtor_statements): Removed.
        (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
        hsa_get_dtor_statements.
        * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
        (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.

2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm-cores.def (cortex-r8): New.
        * config/arm/arm-tables.opt (cortex-r8): Regenerate.
        * config/arm/arm-tune.md: Likewise.
        * gcc/doc/invoke.texi: Add cortex-r8 to list of cpu values.

2016-03-07  Martin Sebor  <msebor@redhat.com>

        PR rtl-optimization/19705
        * doc/invoke.texi (Options That Control Optimization): Clarify
        -fno-branch-count-reg.

2016-02-26  Richard Biener  <rguenther@suse.de>
            Jeff Law  <law@redhat.com>

        PR tree-optimization/69740
        * cfghooks.c (remove_edge): Request loop fixups if we delete
        an edge that might turn an irreducible loop into a natural
        loop.
        * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
        Move after definition of loops_state_clear.

2016-03-07  Bin Cheng  <bin.cheng@arm.com>

        PR rtl-optimization/69052
        * rtlanal.c (commutative_operand_precedence): Set higher precedence
        to CONST_WIDE_INT.

2016-03-07  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/70116
        * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
        is_tm_ending stmts and ubsan/asan internal functions.
        (find_duplicate): Use it.  Don't test is_tm_ending here.

2016-03-07  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70115
        * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
        (propagate_constants_for_unrolling): Use replace_uses_by.

2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>

        PR middle-end/69916
        * omp-low.c (struct oacc_loop): Add ifns.
        (new_oacc_loop_raw): Initialize it.
        (finish_oacc_loop): Clear mask & flags if no ifns.
        (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
        (oacc_loop_xform_loop): Add ifns arg & adjust.
        (oacc_loop_process): Adjust oacc_loop_xform_loop call.

2016-03-07  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/70061
        * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
        (insert_value_copy_on_edge): Likewise.

2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm_neon.h: Show error if using with soft-float ABI.

2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/62281
        * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.

2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>

        * config/i386/i386.c (znver1_cost): Fix Multiply cost.

2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>

        Fix sseimul type attribute.
        * config/i386/znver1.md
        (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
        znver1_sseimul_avx256_load) : Fix the type attribute.
        (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
        pipe usage and latency.

2016-03-05  Jakub Jelinek  <jakub@redhat.com>

        PR c++/70084
        * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
        of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
        to the right type.

2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>

        PR c/69973
        * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.

        PR rtl-optimization/69941
        * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
        the reg share its mode.

2016-03-04  Jeff Law  <law@redhat.com>

        PR tree-optimization/69196
        * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
        If the both SSA_NAMEs are anonymous, then consider them unassociated
        and include the PHI in the statement count.

2016-03-05  Tom de Vries  <tom@codesourcery.com>

        * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
        construct in oacc routine.  Check for oacc region in oacc routine.

2016-03-04  Jakub Jelinek  <jakub@redhat.com>

        PR target/70062
        * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
        2016-02-22 changes, instead don't recurse if RECUR is already true.
        Don't change *dynamic_check if RECUR.  Adjust recursive caller
        to pass true to the new argument.
        (ix86_expand_set_or_movmem): Adjust decide_alg caller.

        PR target/70059
        * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
        <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
        fixes.
        (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.

2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>

        PR rtl-optimization/57676
        * lra-assigns.c (lra_assign): Guard test for maximum iterations
        with flag_checking.

2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * tree-vect-patterns.c (search_type_for_mask): Handle
        comparison of booleans.

2016-03-04  Jakub Jelinek  <jakub@redhat.com>

        * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
        Fix @xref usage.

        PR debug/69947
        * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
        all other ops that have dw_val_class_die_ref operands,
        and DW_OP_GNU_entry_value.

2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR rtl-optimization/69904
        * config/arm/arm.c (arm_cannot_copy_insn_p):
        Return true for load-exclusive instructions.

2016-03-03  Jakub Jelinek  <jakub@redhat.com>

        PR target/70021
        * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
        argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
        the pattern no matter if it is used just by non-pattern, pattern
        or mix thereof.
        (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
        * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
        oprnd1 def_stmt is in pattern, don't look through it.

2016-03-03  Marek Polacek  <polacek@redhat.com>

        PR middle-end/70050
        * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.

2016-03-03  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/70043
        * tree-vect-loop.c (optimize_mask_stores): Move iterator to
        previous statement if we see a debug statement.

2016-03-03  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/55936
        * tree-vrp.c (compare_name_with_value): Add use_equiv_p
        parameter and guard unsafe equivalence use.
        (vrp_evaluate_conditional_warnv_with_ops): Always use
        safe equivalences but not via the quadratic compare_names
        helper.

2016-03-03  Michael Collison  <michael.collison@linaro.org>

        PR target/70014
        * config/arm/arm.md (*subsi3_carryin_const): Change predicate
        for operand 1 to s_register_operand. Change predicate for operand
        2 to arm_not_immediate_operand.

2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>

        * doc/tm.texi: Regenerated.

2016-03-02  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/67145
        * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
        simplification when all args are positive non-fixed registers.

2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * target.def (lra_p): Specify that new ports should use LRA.

2016-03-02  Jakub Jelinek  <jakub@redhat.com>

        PR libgomp/69555
        * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
        gimplify_type_sizes the type they refer to.
        (omp_notice_variable): Handle reference vars to VLAs.
        * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
        reference to VLA decls in the second pass instead of first pass.

2016-03-02  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/68659
        * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
        new_expr == NULL_TREE.
        (get_new_name): Handle ADDR_EXPR.

2016-03-02  Bin Cheng  <bin.cheng@arm.com>

        PR rtl-optimization/69052
        * loop-invariant.c (canonicalize_address): New function.
        (inv_can_prop_to_addr_use): Check validity of address expression
        which is canonicalized by above function.

2016-03-02  Alan Modra  <amodra@gmail.com>

        PR ipa/69990
        * ipa-icf.c (sem_variable::merge): Do not merge an alias with
        larger alignment.

2016-03-02  Jakub Jelinek  <jakub@redhat.com>

        PR target/70028
        * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
        (*movhi_internal): Put mask moves from and to memory separately
        from moves from/to GPRs.

2016-03-02  Richard Biener  <rguenther@suse.de>

        * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
        GENERIC expressions in GIMPLE.

2016-03-02  Richard Biener  <rguenther@suse.de>

        * config/i386/i386.c (type_natural_mode): Fix typo.

2016-03-02  Nick Clifton  <nickc@redhat.com>

        * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.

2016-03-02  Richard Biener  <rguenther@suse.de>
            Uros Bizjak  <ubizjak@gmail.com>

        PR target/67278
        * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.

2016-03-02  Richard Biener  <rguenther@suse.de>

        PR middle-end/67278
        * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.

2016-03-02  Marek Polacek  <polacek@redhat.com>

        PR c/67854
        * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
        "is promoted to" warning.

2016-03-01  DJ Delorie  <dj@redhat.com>

        * config.gcc: Deprecate mep-*.

2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/70025
        * lra-constraints.c (regno_val_use_in): New.
        (match_reload): Use it instead of regno_use_in.

2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/70007
        * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
        references present in REG_EQUAL notes attached to non-SET patterns.

2016-03-01  Jeff Law  <law@redhat.com>

        PR tree-optimization/69196
        * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
        Appropriately clamp the number of statements to copy when the
        thread path does not traverse a loop backedge.

        PR tree-optimization/69196
        * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
        Do count some PHIs in the thread path against the insn count.  Decrease
        final statement count by one as the control statement in the last
        block will get removed.  Remove special cased code for handling PHIs
        in the last block.

2016-03-01  Uros Bizjak  <ubizjak@gmail.com>

        PR target/70027
        * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
        asm dialect alternatives to explicit GOTPCREL calls.

2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>

        PR ada/70017
        * ira.c (do_reload): Issue warning for generic stack checking here...
        * reload1.c (reload): ...instead of here and streamline it.

2016-03-01  Nick Clifton  <nickc@redhat.com>

        * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.

2016-03-01  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69983
        * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
        types and fall back to operand_equal_p.

2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        Revert
        2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/constraints.md ("jm8"): New constraint.
        * config/s390/predicates.md ("const_int_8bitset_operand"): New
        predicate.
        * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
        into ...
        ("*setmem_long<setmem_and>"): New pattern.
        ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
        into ...
        ("*setmem_long_31z<setmem_and>"): New pattern.
        * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
        New substitution rules with the required attributes.


2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        Revert
        2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * gensupport.c (process_substs_on_one_elem): Split loop to
        complete mark_operands_used_in_match_dup on all expressions in the
        vector first.
        (adjust_operands_numbers): Inline into process_substs_on_one_elem
        and remove function.

2016-03-01  Richard Biener  <rguenther@suse.de>

        PR middle-end/70022
        * fold-const.c (fold_indirect_ref_1): Fix range checking for
        vector BIT_FIELD_REF extract.

2016-03-01  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69994
        * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.

2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR tree-optimization/69956
        * tree-vect-stmts.c (supportable_widening_operation): Support
        multi-step conversion of boolean vectors.
        (supportable_narrowing_operation): Likewise.

2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_decompose_address): Don't accept SImode
        anymore.

2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/subst.md (DSI_VI): New mode iterator.
        ("addr_style_op_subst"): Use DSI_VI instead of DSI.
        * config/s390/vector.md ("vec_set<mode>"): Move expander before
        the insn definition.
        ("*vec_set<mode>"): Change predicate and add alternative to
        support only either register or const_int operands as element
        selector.
        ("*vec_set<mode>_plus"): New pattern to support reg + const_int
        operands.
        ("vec_extract<mode>"): New expander.
        ("*vec_extract<mode>"): New insn definition supporting reg and
        const_int element selectors.
        ("*vec_extract<mode>_plus"): New insn definition supporting
        reg+const_int element selectors.
        ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
        following expander+insn definition.
        ("<vec_shifts_name><mode>3"): New expander.
        ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.

2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.md ("*tabort_1"): Change predicate to
        nonmemory_operand.  Add a second alternative to cover
        register as well as const int operands.
        ("*tabort_1_plus"): New pattern definition.

2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.md ("*ashrdi3_cc_31")
        ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
        ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
        Merge insn definitions into ...
        ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
        New pattern definition.
        ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
        ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
        ("*ashr<mode>3_and"): Merge insn definitions into ...
        ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
        New pattern definition.
        * config/s390/subst.md ("addr_style_op_cc_subst")
        ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
        substitutions patterns plus attributes.
        Add ashiftrt to SUBST iterator.

2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.md ("<shift><mode>3"): Change predicate of
        op2 to nonmemory_operand.
        ("*<shift>di3_31", "*<shift>di3_31_and"):
        Merge into single pattern definition ...
        ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
        ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
        pattern definition ...
        ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
        * config/s390/subst.md: Add ashift and lshiftrt to SUBST
        iterator.

2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/predicates.md (const_int_6bitset_operand): New
        predicate.
        * config/s390/s390.md: Include subst.md.
        ("rotl<mode>3"): New expander.
        ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
        ...
        ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
        * config/s390/subst.md: New file.

2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.md ("op_type", "atype", "length" attributes):
        Remove RRR type.  It doesn't really exist.
        ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
        attributes.
        ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
        ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
        ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
        ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
        ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
        ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
        `enabled' attribute.

2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * gensupport.c (process_substs_on_one_elem): Split loop to
        complete mark_operands_used_in_match_dup on all expressions in the
        vector first.
        (adjust_operands_numbers): Inline into process_substs_on_one_elem
        and remove function.

2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/69706
        * config/sparc/sparc.c (NWORDS_UP): Rename to...
        (CEIL_NWORDS): ...this.  Use CEIL macro.
        (compute_fp_layout): Adjust to above renaming.
        (function_arg_union_value): Likewise.
        (sparc_arg_partial_bytes): Likewise.
        (sparc_function_arg_advance): Likewise.

2016-02-29  Jeff Law  <law@redhat.com>

        PR tree-optimization/70005
        * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
        where an object with a boolean range is compared against a value
        outside [0..1].

        PR tree-optimization/69999
        * gimple-ssa-split-paths.c (split_paths): When duplicating a block
        with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
        loop cleanups.

2016-02-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69994
        * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
        (get_unary_op): Look through nop conversions.
        (ops_equal_values_p): New function, look for equality diregarding
        nop conversions.
        (eliminate_plus_minus_pair): Use ops_equal_values_p
        (repropagate_negates): Do not use get_unary_op here.

2016-02-29  Martin Liska  <mliska@suse.cz>

        * system.h: Poison ENABLE_CHECKING macro.

2016-02-29  Martin Liska  <mliska@suse.cz>

        * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
        is presented in dump flags.
        * hsa-regalloc.c (linear_scan_regalloc): Likewise.
        (hsa_regalloc): Likewise.

2016-02-19  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69980
        * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
        permutation of those we need to keep.

2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/69706
        * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
        (NWORDS_UP): ...this
        (init_cumulative_args): Minor tweaks.
        (sparc_promote_function_mode): Likewise.
        (scan_record_type): Delete.
        (traverse_record_type): New function template.
        (classify_data_t): New structure type.
        (classify_registers): New inline function.
        (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
        exhausted.  Instantiate traverse_record_type on classify_registers and
        deal with the case of a structure passed in slot #15 with no FP field
        in the first word.
        (assign_data_t): New structure type.
        (compute_int_layout): New static function.
        (compute_fp_layout): Likewise.
        (count_registers): New inline function.
        (assign_int_registers): New static function.
        (assign_fp_registers): Likewise.
        (assign_registers): New inline function.
        (function_arg_record_value_1): Delete.
        (function_arg_record_value_2): Likewise.
        (function_arg_record_value_3): Likewise.
        (function_arg_record_value): Adjust to above changes.  Instantiate
        traverse_record_type on count_registers to first count the number of
        registers to be used and then on assign_registers to assign them.
        (function_arg_union_value): Adjust to above renaming.
        (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
        (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
        case of a structure passed in slot #15
        (sparc_function_arg_advance): Likewise.
        (function_arg_padding): Minor tweak.

2016-02-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69720
        * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
        the adjustment_def path for possibly vectorized defs.
        (vect_create_epilog_for_reduction): Handle vectorized initial
        defs properly.

2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>

        * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.

2016-02-27  Jeff Law  <law@redhat.com>

        Revert
        2016-02-26  Richard Biener  <rguenther@suse.de>
                    Jeff Law  <law@redhat.com>

        PR tree-optimization/69740
        * cfghooks.c (remove_edge): Request loop fixups if we delete
        an edge that might turn an irreducible loop into a natural
        loop.

2016-02-27  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/69896
        * tree-vect-generic.c (get_compute_type): Avoid single element
        vector types.

2016-02-26  Evandro Menezes  <e.menezes@samsung.com>

        Rename the AArch64 tuning option and related functions to enable the
        Newton series for the reciprocal square root to reflect its
        approximative characteristic.

        * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
        function to "aarch64_emit_approx_rsqrt".
        * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
        AARCH64_EXTRA_TUNE_APPROX_RSQRT.
        * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
        (xgene1_tunings): Likewise.
        (use_rsqrt_p): Likewise.
        (aarch64_emit_swrsqrt): Use new function name.
        * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
        * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
        text explaining this option.
        * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.

2016-02-26  Jakub Jelinek  <jakub@redhat.com>

        PR target/69969
        * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
        complain about -mallow-movmisalign without -mvsx if
        TARGET_ALLOW_MOVMISALIGN was not set explicitly.

2016-02-26  Joel Sherrill  <joel@rtems.org>

        * config.gcc: Add x86_64-*-rtems*.
        * gcc/config/i386/rtems-64.h: New file.

2016-02-26  Joel Sherrill  <joel@rtems.org>

        * config.gcc: Add aarch64-*-rtems*.
        * gcc/config/aarch64/rtems.h: New file.

2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/69946
        * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
        shift amount using %h.  Add comment.

2016-02-26  Richard Biener  <rguenther@suse.de>
            Jeff Law  <law@redhat.com>

        PR tree-optimization/69740
        * cfghooks.c (remove_edge): Request loop fixups if we delete
        an edge that might turn an irreducible loop into a natural
        loop.

2016-02-26  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/69920
        * tree-sra.c (sra_modify_assign): Do not remove loads of
        uninitialized aggregates to SSA_NAMEs.

2016-02-26  Richard Henderson  <rth@redhat.com>

        PR target/69709
        * config/s390/s390.md (risbg and risbgn splitters): Allocate new
        pseudo in case the target rtx matches the source of the left
        shift.

2016-02-26  Martin Jambor  <mjambor@suse.cz>

        PR hsa/69568
        * hsa.h (hsa_type_packed_p): Declare.
        * hsa.c (hsa_type_packed_p): New function.
        * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
        loads.
        (gen_hsa_insns_for_store): Use hsa_type_packed_p.
        * hsa-brig.c (emit_basic_insn): Likewise.

2016-02-26  Martin Jambor  <mjambor@suse.cz>

        pr hsa/69674
        * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
        pointers.
        (gen_hsa_addr): Allow integer constants in TMR_INDEX2.

2016-02-26  Martin Jambor  <mjambor@suse.cz>

        * hsa.h (is_a_helper): New overload for hsa_op_immed for
        hsa_op_with_type operands.
        (hsa_unsigned_type_for_type): Declare.
        * hsa.c (hsa_unsigned_type_for_type): New function.
        * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
        (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
        the finalizer.  Do not emit extra move.

2016-02-26  Martin Jambor  <mjambor@suse.cz>

        * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
        atomic operations in private segment.

2016-02-26  Martin Jambor  <mjambor@suse.cz>

        * omp-low.c (grid_find_ungridifiable_statement): Store problematic
        statements to wi->info.  Also disallow omp simd constructs.
        (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
        for not gridifying.  Dump special string for omp_for.

2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/69245
        * config/aarch64/aarch64.c (aarch64_set_current_function):
        Save/restore target globals when switching to
        target_option_default_node.

2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/69613
        * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
        Return 0 if !SHIFT_COUNT_TRUNCATED.

2016-02-26  Jakub Jelinek  <jakub@redhat.com>
            Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/69891
        * dse.c (scan_insn): If we can't figure out memset arguments
        or they are non-constant, call clear_rhs_from_active_local_stores.

2016-02-26  Martin Liska  <mliska@suse.cz>

        * doc/extend.texi: Mention clog10, clog10f an clog10l
        in Builtins section.

2016-02-26  Martin Liska  <mliska@suse.cz>

        * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
        CHECKING_P.
        (resolve_args_picking_1): Likewise.
        * dwarf2out.h (struct GTY): Likewise.

2016-02-26  Martin Liska  <mliska@suse.cz>

        * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
        with flag_checking.
        * hsa-regalloc.c (linear_scan_regalloc): Likewise.

2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
            Martin Liska  <mliska@suse.cz>

        * doc/install.texi: Mention --enable-valgrind-annotations.

2016-02-26  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69551
        * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
        looking through aliases adjust DECL_PT_UID to refer to the
        ultimate alias target.

2016-02-25  Martin Liska  <mliska@suse.cz>

        PR middle-end/69919
        * alloc-pool.c (after_memory_report): New variable.
        * alloc-pool.h (base_pool_allocator ::release): Do not use
        the infrastructure if after_memory_report.
        * toplev.c (toplev::main): Mark after memory report.

2016-02-25  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/48795
        * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.

2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>

        PR driver/68463
        * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
        offloading is enabled and -fopenacc or -fopenmp is specified.
        (CRTOFFLOADEND): Likewise.
        (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
        (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
        * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
        (offload_objects_file_name): New static var.
        (tool_cleanup): Remove offload_objects_file_name file.
        (find_offloadbeginend): Replace with ...
        (find_crtoffloadtable): ... this.
        (run_gcc): Remove offload_argc and offload_argv.
        Get offload_objects_file_name from -foffload-objects=... option.
        Read names of object files with offload from this file, pass them to
        compile_images_for_offload_targets.  Don't call find_offloadbeginend and
        don't pass offloadbegin and offloadend to the linker.  Don't pass
        offload non-LTO files to the linker, because now they're not claimed.

2016-02-25  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/69630
        * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
        on builtin_unreachable.

2016-02-25  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/69896
        * regcprop.c: Include cfgrtl.h.
        (copyprop_hardreg_forward_1): If noop_p insn uses narrower
        than remembered mode, either delete it (if noop_move_p), or
        treat like copy_p but not noop_p instruction.

2016-02-24  Jakub Jelinek  <jakub@redhat.com>

        PR debug/69705
        * dwarf2out.c (gen_variable_die): Work around buggy LTO
        - allow NULL decl for Fortran DW_TAG_common_block variables.

2016-02-24  Jason Merrill  <jason@redhat.com>

        * common.opt (flifetime-dse): Add -flifetime-dse=1.

2016-02-24  Richard Biener  <rguenther@suse.de>
            Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/69760
        * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
        conditionally executed ops to well-defined overflow behavior.

2016-02-24  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/69915
        * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
        elements.

2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR rtl-optimization/69886
        * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
        argument.  Use it when checking validity of set instructions.
        (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
        (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
        callsite.
        * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
        * store-motion.c (find_moveable_store): Update
        can_assign_to_reg_without_clobbers_p callsite.

2016-02-24  Richard Biener  <rguenther@suse.de>

        PR middle-end/68963
        * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
        bogus check.
        (record_nonwrapping_iv): Do not fall back to the low/high bound
        for non-constant IV bases if the stmt is not always executed.

2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm-cores.def (cortex-a32): New entry.
        * config/arm/arm-tables.opt: Regenerate.
        * config/arm/arm-tune.md: Regenerate.
        * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
        * config/arm/t-aprofile: Handle mcpu=cortex-a32.
        * doc/invoke.texi (ARM Options): Document cortex-a32 as value
        for -mcpu and -mtune.

2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/69875
        * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
        * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
        * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
        (atomic_loaddi_1): Delete.
        (atomic_loaddi): Rewrite expander using the above changes.

2016-02-24  Jakub Jelinek  <jakub@redhat.com>

        PR c/69918
        * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
        2 to 3.

2016-02-24  Jakub Jelinek  <jakub@redhat.com>
            Richard Biener  <rguenth@suse.de>

        PR middle-end/69909
        * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
        set_mem_attributes if tem is SSA_NAME which got expanded
        as a MEM.

2016-02-24  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69907
        * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
        end of permutations for BB vectorization.

2016-02-24  Christian Bruel  <christian.bruel@st.com>

        * config/arm/arm-c.c (arm_option_override): Initialize
        target_option_current_node.
        * config/arm/arm.c (arm_pragma_target_parse): Replace
        build_target_option_node call by target_option_current_node.
        Set target_option_current_node.
        Fix comments.

2016-02-23  David Edelsohn  <dje.gcc@gmail.com>

        PR target/69810
        * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
        define_insn_and_split to define_insn.
        (zero_extendqi<mode>2_dot2): Same.
        (extendqi<mode>2_dot): Same.
        (extendqi<mode>2_dot2): Same.

2016-02-23  Evandro Menezes  <e.menezes@samsung.com>

        * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
        and add bypass for AES{D,E} and AESMC pairs.
        * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
        and AESMC pairs.

2016-02-23  Evandro Menezes  <e.menezes@samsung.com>

        * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
        series for reciprocal square root in Exynos M1.

2016-02-23  Martin Sebor  <msebor@redhat.com>

        PR c/69759
        * doc/extend.texi (Other Builtins): Document __builtin_alloca and
        __builtin_alloca_with_align.

2016-02-23  Richard Henderson  <rth@redhat.com>

        * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
        (ix86_register_pragmas): Remove __seg_tls.
        * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
        * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
        (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
        (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
        (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
        * doc/extend.texi (__seg_tls): Remove item.

2016-02-23  Richard Biener  <rguenther@suse.de>

        * alloc-pool.h (struct allocation_object): Make id member
        conditional on CHECKING_P again.
        (get_instance): Adjust.
        (base_pool_allocator): Likewise.

2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>

        * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
        (parallelize_loops): In OpenACC kernels mode, set n_threads to
        zero.
        (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
        flag_openacc.
        * tree-ssa-loop.c (gate_oacc_kernels): Likewise.

2016-02-23  Richard Biener  <rguenther@suse.de>

        * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
        * bitmap.h (struct bitmap_usage): Likewise.
        (bitmap_move): Declare.
        * bitmap.c (register_overhead): Take size_t argument.
        (bitmap_move): New function.
        * df-problems.c (df_rd_transfer_function): Use bitmap_move
        to properly account overhead.
        * tree.c (free_node): Use tree_size.

2016-02-23  Jakub Jelinek  <jakub@redhat.com>

        PR c++/69902
        * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
        when inverting comparison.

        PR c/69900
        * common.opt (Wunreachable-code): Add Warning flag.

2016-02-23  Mark Wielaard  <mjw@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR c/69911
        * cgraphunit.c (check_global_declaration): Check main_input_filename
        and DECL_SOURCE_FILE are not NULL.

2016-02-23  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/69666
        * tree-sra.c (sra_modify_assign): Do not attempt to create
        default_def replacements for unscalarizable regions.

2016-02-20  Mark Wielaard  <mjw@redhat.com>

        PR c/28901
        * cgraphunit.c (check_global_declaration): Check level of
        warn_unused_const_variable and main_input_filename.
        * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
        (-Wunused-variable): For C implies -Wunused-const-variable=1.
        (-Wunused-const-variable): Explain levels 1 and 2.

2016-02-22  Jakub Jelinek  <jakub@redhat.com>

        PR target/69888
        * config/i386/i386.c (decide_alg): Ensure we don't recurse with
        identical arguments.  Formatting and spelling fixes.

        PR target/69885
        * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
        be specified.

        PR target/69894
        PR target/69895
        * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
        and m68k-devices.def.
        * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
        * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.

2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>

        * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
        and HImode registers.

2016-02-22  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69882
        * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
        preserve permutations present because of gaps.
        (vect_supported_load_permutation_p): Always continue checking
        permutations after vect_attempt_slp_rearrange_stmts.

2016-02-22  Bin Cheng  <bin.cheng@arm.com>

        * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
        min_profitable_estimate, rather than min_profitable_iters.

2016-02-22  Jakub Jelinek  <jakub@redhat.com>

        PR target/69885
        * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
        SImode for last match_operand.

2016-02-22  Martin Liska  <mliska@suse.cz>

        * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
        return bitsize - 1 as the return value.

2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/69806
        PR target/54089
        * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
        Handle negative shift counts.
        * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
        force_reg on the shift constant.
        (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
        (lshrsi3_d): Handle negative shift counts.

2016-02-22  Richard Biener  <rguenther@suse.de>
            Tom de Vries  <tom@codesourcery.com>

        * graph.c: Include dumpfile.h.
        (print_graph_cfg): Split into three overloads.
        * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.

2016-02-22  Tom de Vries  <tom@codesourcery.com>

        * gdbhooks.py (class DumpFn): Add and instantiate, adding command
        dump-fn.

2016-02-22  Richard Biener  <rguenther@suse.de>

        PR ipa/37448
        * ipa-inline-transform.c (inline_call): When not updating
        overall summaries adjust self size by the growth estimate.
        * ipa-inline.c (inline_to_all_callers_1): Add to the callers
        hash-set, do not update overall summaries here.  Renamed from ...
        (inline_to_all_callers): ... this which is now wrapping the
        above and performing delayed overall summary update.
        (early_inline_small_functions): Delay updating of the overall
        summary.

2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>

        * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
        variable.

2016-02-19  Jakub Jelinek  <jakub@redhat.com>

        PR driver/69805
        * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
        :%* in %:gt() argument.
        (greater_than_spec_func): Adjust for expecting only numbers,
        if there are more than two numbers, compare the last two.

2016-02-19  Jonathan Wakely  <jwakely@redhat.com>

        * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
        -Wnarrowing with -std.

2016-02-19  Jakub Jelinek  <jakub@redhat.com>

        PR c++/69851
        * expr.c (store_field): Don't use bit-field path if exp is
        COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
        different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
        and the assignment can be performed by bitwise copy.  Formatting
        fix.

        PR middle-end/69838
        * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
        call copy_reg_eh_region_note_forward on before and/or after sequences
        and remove note from insn if it no longer can throw.

        PR target/69820
        * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
        if TARGET_AVX512BW.

2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/vector.md: Add missing commutative operand markers
        to the patterns which qualify for one.
        * config/s390/vx-builtins.md: Likewise.

2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/vector.md (VI, VI_QHS): Add single element vector
        types to mode iterators.
        (vec_double): ... and mode attribute.
        * config/s390/vx-builtins.md (non_vec_int): Likewise.

2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
        Change the predicate of op2 from nonimmediate to general and let
        reload fix it if necessary.

2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.

2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_expand_vcond): Use the compare operand
        mode.

2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
        * config/s390/s390.c (s390_expand_vec_movstr): New function.
        * config/s390/s390.md ("movstr<P:mode>"): Call
        s390_expand_vec_movstr.

2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.md: Add missing output modifier for operand 1
        to print it as address properly.

2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
        * config/s390/2964.md: New file.
        * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
        of insn grouping attributes depending on the CPU level.
        (s390_get_unit_mask): New function.
        (s390_sched_score): Remove the OOO from the scheduling macros.
        Add loop to calculate a score for the instruction mix.
        (s390_sched_reorder): Likewise plus improve debug output.
        (s390_sched_variable_issue): Rename macros as above.  Calculate
        the unit distances after actually scheduling an insn.  Improve
        debug output.
        (s390_sched_init): Clear last_scheduled_unit_distance array.
        * config/s390/s390.md: Include 2964.md.

2016-02-18  Jakub Jelinek  <jakub@redhat.com>

        PR target/69671
        * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
        *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
        *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
        *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
        *avx512f_<code>v8div16qi2_mask_1): New insns.

2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/68404
        * config/rs6000/predicates.md (fusion_gpr_addis): Revert
        2016-02-09 change.

        * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
        earlyclobber from target.  Use wF constraint for fused memory
        address.
        (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.

2016-02-18  Jakub Jelinek  <jakub@redhat.com>
            Martin Liska  <mliska@suse.cz>

        PR sanitizer/69863
        * cfgexpand.c (asan_sanitize_stack_p): New function.
        (partition_stack_vars): Use the function.
        (expand_stack_vars): Likewise.
        (defer_stack_allocation): Likewise.
        (expand_used_vars): Likewise.

2016-02-18  Richard Biener  <rguenther@suse.de>

        PR middle-end/69553
        * fold-const.c (operand_equal_p): Properly compare offsets for
        IMAGPART_EXPR and ARRAY_REF.

2016-02-18  Nick Clifton  <nickc@redhat.com>

        PR target/62254
        PR target/69610
        * config/arm/arm.c (arm_option_override_internal): Disable
        interworking if the target does not support thumb instructions.
        (arm_reload_in_hi): Handle the case where a register to register
        move needs reloading because there is no simple pattern to handle
        it.
        (arm_reload_out_hi): Likewise.

2016-02-18  Richard Biener  <rguenther@suse.de>

        PR middle-end/69854
        * match.pd: Don't use fold_binary or fold_unary for folding
        constants.

2016-02-17  Jakub Jelinek  <jakub@redhat.com>

        PR c++/69850
        * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
        on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
        * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
        warn on gimple_no_warning_p statements.

2016-02-17  Jonathan Wakely  <jwakely@redhat.com>

        * doc/extend.texi (C++ Attributes): Correct description of
        warn_unused type attribute.

2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
        correct instruction.

2016-02-17  Richard Biener  <rguenther@suse.de>

        PR rtl-optimization/69609
        * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
        (find_traces_1_round): When ending a trace update cached priority
        of successors.
        (bb_to_key): Use cached priority when available.
        (copy_bb): Initialize cached priority.
        (reorder_basic_blocks_software_trace_cache): Likewise.

2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/69161
        * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
        New predicate.
        (aarch64_comparison_operator): Break overly long line into two.
        (aarch64_comparison_operation): Likewise.
        * config/aarch64/aarch64.md (cstorecc4): Use
        aarch64_comparison_operator_mode instead of
        aarch64_comparison_operator.
        (cstore<mode>4): Likewise.
        (aarch64_cstore<mode>): Likewise.
        (*cstoresi_insn_uxtw): Likewise.
        (cstore<mode>_neg): Likewise.
        (*cstoresi_neg_uxtw): Likewise.

2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/69161
        * config/arm/predicates.md (arm_comparison_operator_mode):
        New predicate.
        * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
        instead of arm_comparison_operator.
        (*mov_negscc): Likewise.
        (*mov_notscc): Likewise.
        * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
        (*thumb2_mov_negscc): Likewise.
        (*thumb2_mov_negscc_strict_it): Likewise.
        (*thumb2_mov_notscc): Likewise.
        (*thumb2_mov_notscc_strict_it): Likewise.

2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
        Add missing return.

2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>

        * config/visium/visium.c (machine_libfunc_index): New enum.
        (machine_libfuncs): New structure.
        (visium_libfuncs): New static variable.
        (TARGET_INIT_LIBFUNCS): Define to...
        (visium_init_libfuncs): ...this.  New function.
        (expand_block_move_4): Use the appropriate libfunc.
        (expand_block_move_2): Likewise.
        (expand_block_move_1): Likewise.
        (expand_block_set_4): Likewise.
        (expand_block_set_2): Likewise.
        (expand_block_set_1): Likewise.
        (visium_trampoline_init): Likewise.

2016-02-17  Nick Clifton  <nickc@redhat.com>

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

2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        PR Target/48344
        * opts-global.c (handle_common_deferred_options): Introduce and
        initialize two global variables to remember command-line options
        specifying a stack-limiting register.
        * opts.h: Add extern declarations of the two new global variables.
        * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
        variable based on the values of the two new global variables.

2016-02-16  Jakub Jelinek  <jakub@redhat.com>

        PR c/69835
        * common.opt (Wnonnull-compare): New warning.
        * doc/invoke.texi (-Wnonnull): Remove text about comparison
        of arguments against NULL.
        (-Wnonnull-compare): Document.
        * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
        * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
        * passes.def (pass_warn_nonnull_compare): Add.
        * gimple-ssa-nonnull-compare.c: New file.

2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64.c (cortexa57_tunings): Remove
        AARCH64_EXTRA_TUNE_RECIP_SQRT.

2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
        reciprocal sqrt for -mlow-precision-recip-sqrt.

2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
            Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
        always use lane loads to construct non-constant vectors.

2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64.md
        (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
        constraints for operand 3.
        (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.

2016-02-16  Jakub Jelinek  <jakub@redhat.com>
            Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69820
        * tree-vect-patterns.c (type_conversion_p): Return false if
        *orig_type is unsigned single precision or boolean.
        (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
        Formatting fix.

2016-02-16  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/69764
        PR rtl-optimization/69771
        * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
        op1 is valid for GET_MODE_INNER (mode) and force it into a reg.

2016-02-16  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69776
        * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
        sets from caller.
        (indirect_refs_may_alias_p): Likewise.
        (refs_may_alias_p_1): Pass alias sets as from ao_ref.
        * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
        according to tbaa_p.
        * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
        (optimize_stmt): For redundant store discovery do not allow tbaa.

2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>

        PR tree-optimization/69714
        * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
        Return NULL if we have irrelevant high bytes on BIG_ENDIAN.

2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
        * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
        (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
        * config/arc/arc.c (arc_init): Check FPU options.
        (get_arc_condition_code): Handle new CC_FPU* modes.
        (arc_select_cc_mode): Likewise.
        (arc_conditional_register_usage): Allow 64 bit datum into even-odd
        register pair only. Allow access for ARCv2 accumulator.
        (gen_compare_reg): Whenever we have FPU support use FPU compare
        instructions.
        (arc_reorg): Don't generate brcc insns when FPU compare
        instructions are involved.
        * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
        (TARGET_OPTFPE): Add condition when ARC EM can use optimized
        floating point emulation.
        (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
        (REVERSE_CONDITION): Add new CC_FPU* modes.
        (TARGET_FP_SP_BASE): Define.
        (TARGET_FP_DP_BASE): Likewise.
        (TARGET_FP_SP_FUSED): Likewise.
        (TARGET_FP_DP_FUSED): Likewise.
        (TARGET_FP_SP_CONV): Likewise.
        (TARGET_FP_DP_CONV): Likewise.
        (TARGET_FP_SP_SQRT): Likewise.
        (TARGET_FP_DP_SQRT): Likewise.
        (TARGET_FP_DP_AX): Likewise.
        * config/arc/arc.md (ARCV2_ACC): New constant.
        (type): New fpu type attribute.
        (SDF): Conditional iterator.
        (cstore<mode>, cbranch<mode>): Change expand condition.
        (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
        handles FPU/FPX cases as well.
        * config/arc/arc.opt (mfpu): New option.
        * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
        Renamed.
        (adddf3, muldf3, subdf3): Removed.
        * config/arc/predicates.md (proper_comparison_operator): Recognize
        CC_FPU* modes.
        * config/arc/fpu.md: New file.
        * doc/invoke.texi (ARC Options): Document mfpu option.

2016-02-16  Richard Biener  <rguenther@suse.de>

        PR rtl-optimization/69291
        * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
        noce_operand_ok check.

2016-02-16  Tom de Vries  <tom@codesourcery.com>

        PR lto/67709
        * omp-low.c (simd_clone_create): Remove call to
        symtab->call_cgraph_insertion_hooks.

2016-02-16  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/69802
        * tree-ssa-reassoc.c (update_range_test): If op is
        SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
        op == 1 test of precision 1 integral op, otherwise handle
        that case as op itself.  Fix up formatting.
        (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
        up formatting.

2016-02-16  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69586
        * tree-vrp.c (register_edge_assert_for_2): Handle all integral
        types for conversion sources.

2016-02-16  Richard Biener  <rguenther@suse.de>

        PR middle-end/69801
        * fold-const.c (operand_equal_p): For COND_EXPR zero operand
        mask OEP_ADDRESS_OF.

2016-02-16  Alan Modra  <amodra@gmail.com>

        PR target/68973
        * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
        (p8_mtvsrd_df, p8_mtvsrd_sf): New.
        (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
        (p8_mtvsrwz): New.
        (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
        (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
        (p8_fmrgow_<mode>): Likewise.
        (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
        changes.
        (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
        (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
        to use movdi_internal64.  Remove op0_di.
        * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.

2016-02-15  Evandro Menezes  <e.menezes@samsung.com>

        Add support for the FCCMP insn types

        * config/aarch64/aarch64.md (fccmp): Change insn type.
        (fccmpe): Likewise.
        * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
        * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
        * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
        * config/arm/xgene1.md (xgene1_fcmp): Likewise.
        * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
        * config/arm/types.md (fccmps): Add new insn type.
        (fccmpd): Likewise.

2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * alias.c (get_alias_set): Fix a typo in comment.

2016-02-15  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69595
        * match.pd: Complete range test simplification to true.

2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>

        PR rtl-optimization/69648
        * lra-constraints.c (update_ebb_live_info): Don't remove sets of
        pic_offset_table_rtx.

        PR rtl-optimization/69752
        * ira.c (update_equiv_regs): When looking for more than a single SET,
        also take other side effects into account.

2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>

        * config/s390/s390.c (s390_function_profiler): Add a new sequence
        for z900+ CPUs in 31-bit mode.

2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>

        * common/config/s390/s390-common.c (s390_supports_split_stack):
        New function.
        (TARGET_SUPPORTS_SPLIT_STACK): New macro.
        * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
        * config/s390/s390.c (struct machine_function): New field
        split_stack_varargs_pointer.
        (s390_register_info): Mark r12 as clobbered if it'll be used as temp
        in s390_emit_prologue.
        (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
        vararg pointer.
        (morestack_ref): New global.
        (SPLIT_STACK_AVAILABLE): New macro.
        (s390_expand_split_stack_prologue): New function.
        (s390_live_on_entry): New function.
        (s390_va_start): Use split-stack vararg pointer if appropriate.
        (s390_asm_file_end): Emit the split-stack note sections.
        (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
        * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
        (UNSPECV_SPLIT_STACK_CALL): New unspec.
        (UNSPECV_SPLIT_STACK_DATA): New unspec.
        (split_stack_prologue): New expand.
        (split_stack_space_check): New expand.
        (split_stack_data): New insn.
        (split_stack_call): New expand.
        (split_stack_call_*): New insn.
        (split_stack_cond_call): New expand.
        (split_stack_cond_call_*): New insn.

2016-02-15  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69783
        * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
        Add trivially correct cases.

2016-02-15  Tom de Vries  <tom@codesourcery.com>

        PR lto/69655
        * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
        do_force_output.
        * lto-streamer.h (input_offload_tables): Add and handle bool parameter.

2016-02-15  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69776
        * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
        * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
        indicate whether we can use TBAA to disambiguate against stores.
        Use alias-set zero if not.
        (visit_reference_op_store): Do not use TBAA when looking up
        redundant stores.
        * tree-ssa-pre.c (compute_avail): Use TBAA here.
        (eliminate_dom_walker::before_dom_children): But not when looking
        up redundant stores.

2016-02-14  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.

2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>

        *  config/i386/znver1.md
        (znver1_pop, znver1_pop_mem,
        znver1_load_imov_double_store,
        znver1_load_imov_direct_store,
        znver1_load_imov_direct_load,
        znver1_load_imov_double_load): Add new.
        (znver1_insn, znver1_insn_load): Add icmov type.
        (znver1_sseavx_fma,
        znver1_sseavx_fma_load,
        znver1_avx256_fma,
        znver1_avx256_fma_load): Fix pipe usage.

2016-02-14  Alan Modra  <amodra@gmail.com>

        PR target/68973
        * reloads.c (find_reloads_address_1): For pre/post-inc/dec
        with an invalid hard reg, reload just the reg not the entire
        pre/post-inc/dec address expression.

2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/67260
        * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
        fixed R1_REG scratch reg.
        (sibcall_value_pcrel_fdpic): Likewise.

2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/67636
        PR target/64345
        * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.

2016-02-12  Walter Lee  <walt@tilera.com>

        * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
        * config/tilegx/t-tilegx: Likewise.

2016-02-12  David Malcolm  <dmalcolm@redhat.com>

        PR other/69554
        * diagnostic-show-locus.c (struct line_span): New struct.
        (layout::get_first_line): Delete.
        (layout::get_last_line): Delete.
        (layout::get_num_line_spans): New member function.
        (layout::get_line_span): Likewise.
        (layout::print_heading_for_line_span_index_p): Likewise.
        (layout::get_expanded_location): Likewise.
        (layout::calculate_line_spans): Likewise.
        (layout::m_first_line): Delete.
        (layout::m_last_line): Delete.
        (layout::m_line_spans): New field.
        (layout::layout): Update comment.  Replace m_first_line and
        m_last_line with m_line_spans, replacing their initialization
        with a call to calculate_line_spans.
        (diagnostic_show_locus): When printing source lines and
        annotations, rather than looping over a single span
        of lines, instead loop over each line_span within
        the layout, with an inner loop over the lines within them.
        Call the context's start_span callback when changing line spans.
        * diagnostic.c (diagnostic_initialize): Initialize start_span.
        (diagnostic_build_prefix): Break out the building of the location
        part of the string into...
        (diagnostic_get_location_text): ...this new function, rewriting
        it from nested ternary expressions to a sequence of "if"
        statements.
        (default_diagnostic_start_span_fn): New function.
        * diagnostic.h (diagnostic_start_span_fn): New typedef.
        (diagnostic_context::start_span): New field.
        (default_diagnostic_start_span_fn): New prototype.

2016-02-12  David Malcolm  <dmalcolm@redhat.com>

        PR driver/69779
        * gcc.c (driver::finalize): Fix cleanup of "specs".

2016-02-12  David Malcolm  <dmalcolm@redhat.com>

        PR driver/69265
        PR driver/69453
        * gcc.c (driver::driver): Initialize m_option_suggestions.
        (driver::~driver): Clean up m_option_suggestions.
        (suggest_option): Convert to...
        (driver::suggest_option): ...this, and split out into
        driver::build_option_suggestions and find_closest_string.
        (driver::build_option_suggestions): New function, from
        first half of suggest_option.  Special-case
        OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
        the sanitizer_opts array.  For options of enum types, add the
        various enum values to the candidate strings.
        (driver::handle_unrecognized_options): Remove "const".
        * gcc.h (driver::handle_unrecognized_options): Likewise.
        (driver::build_option_suggestions): New decl.
        (driver::suggest_option): New decl.
        (driver::m_option_suggestions): New field.
        * opts-common.c (add_misspelling_candidates): New function.
        * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
        and make non-static.
        * opts.h (sanitizer_opts): New array decl.
        (add_misspelling_candidates): New function decl.
        * spellcheck.c (find_closest_string): New function.
        * spellcheck.h (find_closest_string): New function decl.

2016-02-12  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/69764
        PR rtl-optimization/69771
        * optabs.c (expand_binop_directly): For shift_optab_p, force
        convert_modes with VOIDmode if xop1 has VOIDmode.

2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR target/69729
        * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
        to correctly determine instrumentation thunks.

2016-02-12  Jakub Jelinek  <jakub@redhat.com>

        PR ipa/69241
        * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
        type by reference, force lhs on the call.

        PR ipa/68672
        * ipa-split.c (split_function): Don't compute/use main_part_return_p.
        Compute retval and retbnd early in all cases if split_part_return_p
        and return_bb is not EXIT.  Remove all clobber stmts and reset
        all debug stmts that refer to SSA_NAMEs defined in split part,
        except if it is retval, in that case replace the old retval with the
        lhs of the call to the split part.

2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>

        revert:
        2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>

        PR middle-end/66726
        * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
        whose result is used in PHI.
        (maybe_optimize_range_tests): Likewise.
        (final_range_test_p): Likweise.

2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>

        PR middle-end/66726
        * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
        whose result is used in PHI.
        (maybe_optimize_range_tests): Likewise.
        (final_range_test_p): Likweise.

2016-02-12  Jakub Jelinek  <jakub@redhat.com>

        * cgraph.c: Spelling fixes - behaviour -> behavior and
        neighbour -> neighbor.
        * target.def: Likewise.
        * sel-sched.c: Likewise.
        * config/mips/mips.c: Likewise.
        * config/arc/arc.md: Likewise.
        * config/arm/cortex-a57.md: Likewise.
        * config/arm/arm.c: Likewise.
        * config/arm/neon.md: Likewise.
        * config/arm/arm-c.c: Likewise.
        * config/vms/vms-c.c: Likewise.
        * config/s390/s390.c: Likewise.
        * config/i386/znver1.md: Likewise.
        * config/i386/i386.c: Likewise.
        * config/ia64/hpux-unix2003.h: Likewise.
        * config/msp430/msp430.md: Likewise.
        * config/rx/rx.c: Likewise.
        * config/rx/rx.md: Likewise.
        * config/aarch64/aarch64-simd.md: Likewise.
        * config/aarch64/aarch64.c: Likewise.
        * config/nvptx/nvptx.c: Likewise.
        * config/bfin/bfin.c: Likewise.
        * config/cris/cris.opt: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * target.h: Likewise.
        * spellcheck.c: Likewise.
        * ira-build.c: Likewise.
        * tree-inline.c: Likewise.
        * builtins.c: Likewise.
        * lra-constraints.c: Likewise.
        * explow.c: Likewise.
        * hwint.h: Likewise.
        * targhooks.c: Likewise.
        * tree-vect-data-refs.c: Likewise.
        * expr.c: Likewise.
        * doc/tm.texi: Likewise.
        * doc/extend.texi: Likewise.
        * doc/install.texi: Likewise.
        * doc/md.texi: Likewise.
        * tree-ssa-tail-merge.c: Likewise.
        * sched-int.h: Likewise.
        * match.pd: Likewise.
        * sched-ebb.c: Likewise.
        * target.def (omit_struct_return_reg): Likewise.
        * gimple-ssa-isolate-paths.c: Likewise.
        (find_implicit_erroneous_behaviour): Renamed to...
        (find_implicit_erroneous_behavior): ... this.
        (find_explicit_erroneous_behaviour): Renamed to...
        (find_explicit_erroneous_behavior): ... this.
        (gimple_ssa_isolate_erroneous_paths): Adjust caller.

2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/64682
        PR rtl-optimization/69567
        PR rtl-optimization/69737
        * combine.c (distribute_notes) <REG_DEAD>: If the register is set
        in I2 as well, just lose it.

2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
        New variable.
        (aarch64_last_printed_tune_string): Likewise.
        (aarch64_declare_function_name): Only output .arch assembler
        directive if it will be different from the previously output
        directive.  Same for .tune comment but only if -dA is set.
        (aarch64_start_file): New function.
        (TARGET_ASM_FILE_START): Define.

2016-02-11  David Malcolm  <dmalcolm@redhat.com>

        PR plugins/69758
        * Makefile.in (PLUGIN_HEADERS): Add params.list.

2016-02-11  Jakub Jelinek  <jakub@redhat.com>

        PR target/65313
        * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
        -Wmaybe-uninitialized warning.

2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/69713
        * config/sh/sh.md (casesi_worker_0): Add T_REG use.

2016-02-11  Richard Biener  <rguenther@suse.de>

        PR rtl-optimization/69291
        * ifcvt.c (noce_try_store_flag_constants): Do not allow
        subexpressions affected by changing the result.

2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/69148
        * lra-constraints.c (curr_insn_transform): Find in/out operands
        for secondary memory moves.  Update dups.

2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>

        PR tree-optimization/69652
        * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
        to nested loop, did source re-formatting, skip debug statements,
        add check on statement with volatile operand, remove dead scalar
        statements.

2016-02-10  Jakub Jelinek  <jakub@redhat.com>
            Patrick Palka  <ppalka@gcc.gnu.org>

        PR ipa/69241
        PR c++/69649
        * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
        calls if the return type is TREE_ADDRESSABLE.
        * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
        * ipa-split.c (split_function): Fix doubled "we" in comment.
        Use void return type for the split part even if
        !split_point->split_part_set_retval.

2016-02-10  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/68021
        * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
        when computing the value of biv cand by itself.

2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
        (cortexa57_tunings): Likewise.
        (cortexa72_tunings): Likewise.
        (arch_macro_fusion_pair_p): Add support for AES fusion.
        * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
        * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
        Allow virtual registers before reload so early scheduling works.
        * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
        correct latency and pipeline.
        (cortex_a57_crypto_complex): Likewise.
        (cortex_a57_crypto_xor): Likewise.
        (define_bypass): Add AES bypass.

2016-02-10  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69726
        * passes.def: Add DCE pass before late uninit.
        * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
        really fixup if-conversions job.

2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
        (arm_cortex_a57_tune): Likewise.
        (aarch_macro_fusion_pair_p): Add support for AES fusion.
        * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.

2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>

        * timevar.def (TV_PHASE_DBGINFO): Delete.
        (TV_PHASE_CHECK_DBGINFO): Likewise.
        * varpool.c (varpool_node::assemble_decl): Do not change timevar.

2016-02-10  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69719
        * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
        Adjust previous fix by ensuring that dr_a1 is left of dr_a2.

2016-02-09  Andrew Pinski  <apinski@cavium.com>

        PR tree-opt/69282
        * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
        get_vcond_mask_icode returns false.

2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/68404
        * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
        an ADDIS that adds a pointer to a large constant that sets the
        upper16 bits with a load operation.

2016-02-09  Charles Baylis  <charles.baylis@linaro.org>

        PR target/68532
        * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
        order.
        * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
        endian.
        (vzipq_s16): Likewise.
        (vzipq_s32): Likewise.
        (vzipq_f32): Likewise.
        (vzipq_u8): Likewise.
        (vzipq_u16): Likewise.
        (vzipq_u32): Likewise.
        (vzipq_p8): Likewise.
        (vzipq_p16): Likewise.

2016-02-09  Charles Baylis  <charles.baylis@linaro.org>

        PR target/68532
        * config/arm/arm.c (neon_endian_lane_map): New function.
        (neon_vector_pair_endian_lane_map): New function.
        (arm_evpc_neon_vuzp): Allow for big endian lane order.
        * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
        endian.
        (vuzpq_s16): Likewise.
        (vuzpq_s32): Likewise.
        (vuzpq_f32): Likewise.
        (vuzpq_u8): Likewise.
        (vuzpq_u16): Likewise.
        (vuzpq_u32): Likewise.
        (vuzpq_p8): Likewise.
        (vuzpq_p16): Likewise.

2016-02-11  Alexandre Oliva  <aoliva@redhat.com>

        PR target/69634
        * regstat.c (regstat_bb_compute_calls_crossed): Disregard
        debug insns.

2016-02-09  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
        truncate const_int operand 1 to QImode.

2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>

        * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
        corresponding to an abnormal edge.

2016-02-09  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/69599
        * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
        function.
        (find_func_aliases_for_builtin_call, find_func_clobbers)
        (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
        partition.

2016-02-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69715
        * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
        LHS on calls as non-rewritable.

2016-02-09  Tom de Vries  <tom@codesourcery.com>

        PR lto/69707
        * lto-wrapper.c (append_diag_options): New function.
        (compile_offload_image): Call append_diag_options.

2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>

        PR other/69722
        * doc/extend.texi (Flag Output Operands): Correct sectioning.
        Minor copy-edit to fix verb tenses.

2016-02-08  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/69209
        * ipa-split.c (split_function): If split part is not
        returning retval, retval has gimple type but is not
        gimple value, force it into a SSA_NAME first.

2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>

        * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
        outdated section.

2016-02-08  Jason Merrill  <jason@redhat.com>

        PR c++/69631
        * convert.c (convert_to_integer_1): Check dofold on truncation
        distribution.
        (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
        (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
        Rename from *_nofold.
        * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
        (convert_to_real_nofold, convert_to_complex_nofold): New inlines.

2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>

        PR target/60410
        * tree.c (build_common_tree_nodes): Remove short_double argument.
        All callers changed.
        * tree.h (build_common_tree_nodes): Adjust declaration.
        * doc/invoke.texi (-fshort-double): Remove documentation.
        * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
        MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
        * lto-wrapper.c (merge_and_complain, append_compiler_options)
        (append_linker_options): Don't handle OPT_fshort_double.

        PR rtl-optimization/68730
        * lra-remat.c (insn_to_cand_activation): New static variable.
        (lra_remat): Allocate and free it.
        (create_cand): New arg activation. Initialize a field in
        insn_to_cand_activation if it is nonnull.
        (create_cands): Pass the activation insn to create_cand when making
        a candidate involving an output reload.  Reorganize code a little.
        (do_remat): Keep track of active status of candidates in a separate
        bitmap.

2016-02-08  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69719
        * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
        Properly use absolute of the difference of the two offsets to
        compare or adjust the segment length.

2016-02-08  Richard Biener  <rguenther@suse.de>
            Jeff Law  <law@redhat.com>

        PR target/68273
        * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
        types for anonymous SSA names.

2016-02-08   Richard Biener  <rguenther@suse.de>

        PR rtl-optimization/69274
        * ira.c (ira_setup_alts): Do not change recog_data.operand order.

2016-02-08  Jeff Law  <law@redhat.com>

        PR tree-optimization/65917
        * tree-ssa-dom.c (record_temporary_equivalences): Record both
        equivalences from if (x == y) style conditionals.
        (loop_depth_of_name): Remove.
        (record_equality): Remove loop depth check.
        * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
        (const_and_copies::record_const_or_copy_raw): New member function.
        * tree-ssa-scopedtables.c
        (const_and_copies::record_const_or_copy_raw): New, factored out of
        (const_and_copies::record_const_or_copy): Call new member function.

2016-02-05  Jeff Law  <law@redhat.com>

        PR tree-optimization/68541
        * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
        (count_stmts_in_block): New function.
        (poor_ifcvt_candidate_code): Likewise.
        (is_feasible_trace): Add some heuristics to determine when path
        splitting is profitable.
        (find_block_to_duplicate_for_splitting_paths): Make sure the graph
        is a diamond with a single exit.

2016-02-05  Martin Sebor  <msebor@redhat.com>

        PR c++/69662
        * doc/invoke.texi: Update -Wplacement-new to take an optional
        argument.

2016-02-06  Richard Henderson  <rth@redhat.com>

        PR c/69643
        * tree.c (tree_nop_conversion_p): Do not strip casts into or
        out of non-standard address spaces.

2016-02-05  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/69691
        * lra-eliminations.c (move_plus_up): Don't add the addend twice.

2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>

        * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
        * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
        (*ieee128_mfvsrd_64bit): Likewise.
        (*ieee128_mfvsrd_32bit): Likewise.

2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR target/69369
        Revert r232560:
        2016-01-19  Jan Hubicka  <hubicka@ucw.cz>

        * cgraphunit.c (cgraph_node::reset): Clear thunk info and
        instrumented_version.

2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>

        * doc/invoke.texi (Optimize Options): In table of --param options
        rename second occurrence of tracer-min-branch-ratio to
        tracer-min-branch-probability, rename
        tracer-min-branch-ratio-feedback to
        tracer-min-branch-probability-feedback and clarify description,
        rename sched-spec-state-edge-prob-cutoff to
        sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
        to selsched-insns-to-rename, rename lto-minpartition to
        lto-min-partition, delete reorder-blocks-duplicate and
        reorder-blocks-duplicate-feedback.

2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_register_info_set_ranges): Remove
        superfluous loops.

2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * doc/extend.texi: S/390: Correct some typos.

2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.

2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        PR target/69625
        * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
        (s390_register_info_gprtofpr): Use new macros above.
        (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
        its name.
        (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
        its name.  Adjust restore and save gpr ranges.
        (s390_register_info_set_ranges): New function.
        (s390_register_info): Use new macros above.  Call
        s390_register_info_set_ranges.
        (s390_optimize_register_info): Likewise.
        (s390_hard_regno_rename_ok): Use new macros.
        (s390_hard_regno_scratch_ok): Likewise.
        (s390_emit_epilogue): Likewise.
        (s390_can_use_return_insn): Likewise.
        (s390_optimize_prologue): Likewise.
        * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.

2016-02-05  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/69677
        * config/i386/i386.c (convert_scalars_to_vector): Readd stack
        alignment fixes.
        (ix86_option_override_internal): Disable TARGET_STV even for
        -m{incoming,preferred}-stack-boundary=3.

2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * config.gcc: Mark deprecated rtems targets as obsolete.

2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/64682
        PR rtl-optimization/69567
        * combine.c (distribute_notes) <REG_DEAD>: Place the death note
        before I2 only if the register is both used and set in I2.

2016-02-04  DJ Delorie  <dj@redhat.com>

        * config/msp430/msp430.c (msp430_start_function): Add function type.

2016-02-04  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/69368
        * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.

2016-02-04  Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/69577
        Revert:
        2015-10-29  Richard Henderson  <rth@redhat.com>

        PR target/68124
        PR rtl-opt/67609
        * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
        sse check to the exact conditions of PR 67609.

2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/69667
        * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
        instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
        not allowed into the traditional Altivec registers.
        (movtd_64bit_nodm): Likewise.
        (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.

2016-02-04  David Malcolm  <dmalcolm@redhat.com>

        * config/aarch64/cortex-a57-fma-steering.c
        (aarch64_register_fma_steering): Remove "static" from arguments
        to register_pass.

2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>

        PR target/69619
        * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
        twice when complex.

2016-02-04  Mike Frysinger  <vapier@gentoo.org>

        * doc/invoke.texi: Delete -mno-fma4.

2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>

        PR rtl-optimization/69577
        * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
        (find_subregs_of_mode): Update accordingly.  Iterate over partial
        definitions.

2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>

        * config/arm/arm-protos.h (neon_reinterpret): Remove.
        * config/arm/arm.c (neon_reinterpret): Remove.
        * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
        vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
        vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
        vreinterpretti): Remove.
        * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
        neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
        neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
        neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
        neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
        neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
        * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
        vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
        vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
        vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
        vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
        vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
        vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
        vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
        vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
        vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
        vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
        vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
        vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
        vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
        vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
        vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
        vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
        vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
        vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
        vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
        vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
        vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
        vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
        vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
        vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
        vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
        vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
        vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
        vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
        vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
        vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
        vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
        vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
        vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
        vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
        vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
        vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
        vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
        vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
        vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
        vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
        vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
        vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
        vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
        vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
        vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
        vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
        vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
        vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
        vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
        vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
        vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
        vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
        vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
        vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
        vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
        vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
        vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
        vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
        vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
        vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
        vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
        vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
        vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
        vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
        vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
        vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
        vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
        vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
        vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
        vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
        vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
        vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
        vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
        vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
        vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
        vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
        vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
        vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
        vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
        vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
        vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
        vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
        vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
        vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
        vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
        vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
        vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
        vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
        vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
        vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
        vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
        vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
        vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
        vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
        vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
        vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.

2016-02-04  Martin Liska  <mliska@suse.cz>

        PR sanitizer/69276
        * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
        that are gimple_store_p.
        (maybe_instrument_call): Likewise.

2016-02-04  Bin Cheng  <bin.cheng@arm.com>

        * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
        register scaling out of memory reference and comment why.

2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/65932
        PR target/67714
        * cse.c (cse_insn): Pass NULL to fold_rtx when initially
        folding the source of a SET.

2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/65932
        PR target/67714
        * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
        the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.

2016-02-04  Jim Wilson  <jim.wilson@linaro.org>

        PR target/65932
        PR target/67714
        * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
        HImode.

2016-02-04  Christian Bruel  <christian.bruel@st.com>

        * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
        * config/arm/arm.c (arm_set_current_function): Likewise.

2016-02-04  Jakub Jelinek  <jakub@redhat.com>
            Ilya Enkovich  <enkovich.gnu@gmail.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        PR target/69454
        * config/i386/i386.c (convert_scalars_to_vector): Remove
        stack alignment fixes.
        (ix86_option_override_internal): Disable TARGET_STV if stack
        might not be aligned enough.
        (ix86_minimum_alignment): Assert that TARGET_STV is false.

2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>

        * gcc/config/i386/x86-tune.def: Disable default prefetching
        for -march=znver1.

2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
            Vladimir Makarov  <vmakarov@redhat.com>

        PR target/69461
        * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
        in validating fused toc addresses.

2016-02-03  Jakub Jelinek  <jakub@redhat.com>

        PR c/69627
        * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
        range->m_caret fields if range->m_show_caret_p is false.

        PR target/69644
        * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
        Force oldval into register if it does not satisfy reg_or_short_operand
        predicate.  Fix up formatting.

2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
            Alexandre Oliva  <aoliva@redhat.com>

        PR target/69461
        * lra-constraints.c (simplify_operand_subreg): Check additionally
        address validity after potential reloading.
        (process_address_1): Check insns validity.  In case of failure do
        nothing.

2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>

        PR target/69118
        * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
        Fix target.

2016-02-02  Jakub Jelinek  <jakub@redhat.com>

        * wide-int.cc (canonize_uhwi): New function.
        (wi::divmod_internal): Use it.

2016-02-02  James Norris  <jnorris@codesourcery.com

        * gimplify.c (omp_notice_variable): Add usage check.

2016-02-02  Alexander Monakov  <amonakov@ispras.ru>

        * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
        like LE, GE, LT, GT when emitting relational operator.

2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>

        * ira-costs.c (find_costs_and_classes): Add extra argument.
        * target.def (ira_change_pseudo_allocno_class): Add parameter.
        * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
        * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
        * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
        Add best_class parameter, and return it if not ALL_REGS.
        * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
        Add parameter.
        * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
        Update target hook.

2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.c
        (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
        (aarch64_ira_change_pseudo_allocno_class): New function.

2016-02-02  Uros Bizjak  <ubizjak@gmail.com>

        PR target/67032
        * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.

2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>

        * config/avr/avr.c (avr_option_override): Set
        PARAM_ALLOW_STORE_DATA_RACES to 1.

2016-02-02  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69595
        * match.pd: Add range test simplifications to true/false.

2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>

        * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
        * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
        instead.

2016-02-02  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69606
        * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
        info on the result before moving a stmt.

2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>

        PR middle-end/68542
        * config/i386/i386.c (ix86_expand_branch): Add support for conditional
        branch with vector comparison.
        * config/i386/sse.md (VI48_AVX): New mode iterator.
        (define_expand "cbranch<mode>4): Add support for conditional branch
        with vector comparison.
        * tree-vect-loop.c (optimize_mask_stores): New function.
        * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
        has_mask_store field of vect_info.
        * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
        vectorized loops having masked stores after vec_info destroy.
        * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
        correspondent macros.
        (optimize_mask_stores): Add prototype.

2016-02-02  Alan Modra  <amodra@gmail.com>

        PR target/69548
        * config/rs6000/predicates.md (quad_int_reg_operand): Don't
        allow subregs.

2016-02-02  Alan Modra  <amodra@gmail.com>

        PR target/68662
        * config/rs6000/rs6000.c (need_toc_init): New var, set it
        whenever toc_label_name used.
        (rs6000_file_start): Don't set up toc section here,
        (rs6000_output_function_epilogue): do so here instead,
        (rs6000_xcoff_file_start): and here.
        * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
        (load_toc_aix_di): Likewise.

2016-02-01  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/69592
        * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
        (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
        (num_sign_bit_copies_binary_arith_p): New inline function.
        (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.

2016-02-01  Jeff Law  <law@redhat.com>

        PR tree-optimization/69580
        * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
        * tree-ssa-threadbackward.c
        (fsm_find_control_statement_thread_paths): Do not try to walk
        through large PHI nodes.

2016-02-01  Jakub Jelinek  <jakub@redhat.com>

        * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
        when count is incremented above limit, don't analyze further
        insns afterwards.

        * omp-low.c (oacc_parse_default_dims): Avoid
        -Wsign-compare warning, make sure value fits into int
        rather than just unsigned int.

2016-02-01  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/67921
        * fold-const.c (split_tree): New parameters.  Convert pointer
        type variable part to proper type before negating.
        (fold_binary_loc): Pass new arguments to split_tree.

2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>

        * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
        (nvptx_goacc_validate_dims): Extend to handle global defaults.
        * target.def (OACC_VALIDATE_DIMS): Extend documentation.
        * doc/tm.texti: Rebuilt.
        * doc/invoke.texi (fopenacc-dim): Document.
        * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
        (append_compiler_options): Likewise.
        * omp-low.c (oacc_default_dims, oacc_min_dims): New.
        (oacc_parse_default_dims): New.
        (oacc_validate_dims): Add USED arg.  Select non-unity default when
        possible.
        (oacc_loop_fixed_partitions): Return mask of used partitions.
        (oacc_loop_auto_partitions): Emit dump info.
        (oacc_loop_partition): Return mask of used partitions.
        (execute_oacc_device_lower): Parse default dimension arg.  Adjust
        loop partitioning and validation calls.

2016-02-01  Richard Biener  <rguenther@suse.de>

        PR middle-end/69556
        * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.

2016-02-01  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69574
        * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
        of asserting return chrec_dont_know.

2016-02-01  Martin Liska  <mliska@suse.cz>

        * mem-stats-traits.h: Add copyright header.
        * mem-stats.h: Likewise.

2016-02-01  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69579
        * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
        Do not propagate through abnormal PHI results.

2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>

        * postreload.c (reload_cse_simplify): Remove dead code.

2016-02-01  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/69570
        * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
        if there is more than one set, not if there is a single set.

2016-02-01  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/69535
        * combine.c (make_compound_operation): When looking through a
        subreg, make sure to re-extend to the width of the outer mode.

2016-01-30  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/69546
        * wide-int.cc (wi::divmod_internal): For unsigned division
        where both operands fit into uhwi, if o1 is 1 and o0 has
        msb set, if divident_prec is larger than bits per hwi,
        clear another quotient word and return 2 instead of 1.
        Similarly for remainder with msb in HWI set, if dividend_prec
        is larger than bits per hwi.

2016-01-29  Martin Jambor  <mjambor@suse.cz>

        * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
        Use short lowercase names.
        (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
        MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
        acq_rel one.  Protect warning agains segfaults if
        get_memory_order_name returns NULL.
        (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
        with release semantics.  Do not warn if get_memory_order already did.
        (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
        semantics.  Fix check for relaxed or acquire semantics.  Do not warn
        if get_memory_order already did.

2016-01-29  Sebastian Pop  <s.pop@samsung.com>

        * doc/install.texi: Document that isl-0.16 is supported.

2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/69299
        * config/i386/constraints.md (Bm): Describe as special memory
        constraint.
        * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
        * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
        * genpreds.c (struct constraint_data): Add is_special_memory.
        (have_special_memory_constraints, special_memory_start): New
        static vars.
        (special_memory_end): Ditto.
        (add_constraint): Add new arg is_special_memory.  Add code to
        process its true value.  Update have_special_memory_constraints.
        (process_define_constraint): Pass the new arg.
        (process_define_register_constraint): Ditto.
        (choose_enum_order): Process special memory.
        (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
        function insn_extra_special_memory_constraint.
        (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
        * gensupport.c (process_rtx): Process
        DEFINE_SPECIAL_MEMORY_CONSTRAINT.
        * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
        * ira-lives.c (single_reg_class): Use
        insn_extra_special_memory_constraint.
        * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
        * lra-constraints.c (process_alt_operands): Ditto.
        (curr_insn_transform): Use insn_extra_special_memory_constraint.
        * recog.c (asm_operand_ok, preprocess_constraints): Process
        CT_SPECIAL_MEMORY.
        * reload.c (find_reloads): Ditto.
        * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
        * stmt.c (parse_input_constraint): Use
        insn_extra_special_memory_constraint.

2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/69530
        * lra-splill.c (lra_final_code_change): Revert r229087 by
        removing all sub-registers.

2016-01-29  Steve Ellcey  <sellcey@imgtec.com>

        PR target/65604
        * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.

2016-01-29  Jakub Jelinek  <jakub@redhat.com>

        PR target/69551
        * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
        SSE1, copy target into the temporary reg first before recursing
        on it.

2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
        with vm.

2016-01-29  Jonathan Wakely  <jwakely@redhat.com>

        * ginclude/stdarg.h: Test __cplusplus instead of
        __GXX_EXPERIMENTAL_CXX0X__.

2016-01-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69547
        * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
        Do not mark clobbers necessary.
        (mark_all_reaching_defs_necessary_1): Likewise.

2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
        declaration name with %qs and print it in both error messages.
        Also fix indentation.

2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        PR other/69006
        * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
        trailing blank line from error message.

2016-01-29  Jonathan Wakely  <jwakely@redhat.com>

        PR c++/69462
        * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
        for C++-11.

2016-01-29  Richard Biener  <rguenther@suse.de>

        PR middle-end/69537
        * match.pd: Allow all integral types when simplifying a
        widening or sign-changing conversion.

2016-01-28  Sebastian Pop  <s.pop@samsung.com>

        * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
        back to setting codegen_error to fail codegen.

2016-01-28  Uros Bizjak  <ubizjak@gmail.com>

        PR target/69459
        * config/i386/constraints.md (C): Only accept constant zero operand.
        (BC): New constraint.
        * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
        instead of C constraint.
        * doc/md.texi (Machine Constraints): Update description
        of C constraint.

2016-01-28  Steve Ellcey  <sellcey@imgtec.com>

        PR target/68400
        * config/mips/mips.c (and_operands_ok): Add MIPS16 check.

2016-01-28  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/69542
        * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
        non-debug insns.

2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>

        * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
        branches if using guessed profile.

2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>

        * graphite-optimize-isl.c (optimize_isl): Fix dump.

2016-01-28  Richard Henderson  <rth@redhat.com>

        PR target/69305
        * config/aarch64/aarch64-modes.def (CC_Cmode): New
        * config/aarch64/aarch64-protos.h: Update.
        * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
        (aarch64_select_cc_mode): Add check for use of CC_Cmode.
        (aarch64_get_condition_code_1): Handle CC_Cmode.
        * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
        (*add<mode>3_compareC_cconly_imm): New.
        (*add<mode>3_compareC_cconly): New.
        (*add<mode>3_compareC_imm): New.
        (add<mode>3_compareC): New.
        (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
        to be first.  Use aarch64_carry_operation.
        (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
        (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
        (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
        (subti3): Use subdi3_compare1.
        (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
        (sub<mode>3_compare1): New.
        (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
        (*sub<mode>3_carryin): Use aarch64_borrow_operation.
        (*subsi3_carryin_uxtw): Likewise.
        (*ngc<mode>, *ngcsi_uxtw): Likewise.
        (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
        * config/aarch64/iterators.md (DWI): New.
        * config/aarch64/predicates.md (aarch64_carry_operation): New.
        (aarch64_borrow_operation): New.

2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>

        * graphite-optimize-isl.c (optimize_isl): Print a different debug
        message when isl does not return a valid schedule.

2016-01-28  Sebastian Pop  <s.pop@samsung.com>

        * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
        Remove comments from class declarations: they are already in the code
        close by the defs.

2016-01-28  Sebastian Pop  <s.pop@samsung.com>

        * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
        codegen_error_p.
        (ternary_op_to_tree): Same.
        (unary_op_to_tree): Same.
        (nary_op_to_tree): Same.
        (gcc_expression_from_isl_expr_op): Same.
        (gcc_expression_from_isl_expression): Same.
        (graphite_create_new_loop): Same.
        (graphite_create_new_loop_guard): Same.
        (build_iv_mapping): Same.
        (graphite_create_new_guard): Same.
        (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
        (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.

2016-01-28  Sebastian Pop  <s.pop@samsung.com>

        * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
        instead of setting codegen_error to fail codegen.

2016-01-28  Jason Merrill  <jason@redhat.com>

        * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.

2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
        Remove CONST_INT_P check in CCMP cost calculation.

2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.c (generic_vector_cost):
        Set vec_permute_cost.
        (cortexa57_vector_cost): Likewise.
        (exynosm1_vector_cost): Likewise.
        (xgene1_vector_cost): Likewise.
        (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
        * config/aarch64/aarch64-protos.h (cpu_vector_cost):
        Add vec_permute_cost entry.

2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
        immediate as %1.
        (add<mode>3_compare0): Likewise.
        (addsi3_compare0_uxtw): Likewise.
        (add<mode>3nr_compare0): Likewise.
        (compare_neg<mode>): Likewise.
        (<optab><mode>3): Likewise.

2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * tree-vect-stmts.c (vectorizable_comparison): Add
        NULL check for vectype.

2016-01-28  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69466
        * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
        Account for PHIs we couldn't duplicate.

2016-01-28  Martin Liska  <mliska@suse.cz>

        PR pch/68758
        * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
        instead of ENABLE_VALGRIND_CHECKING.

2016-01-27  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/69447
        * lra-remat.c (subreg_regs): New.
        (dump_candidates_and_remat_bb_data): Dump it.
        (operand_to_remat): Reject if operand in subreg_regs.
        (set_bb_regs): Collect subreg_regs.
        (lra_remat): Init and free subreg_regs.  Compute
        calculate_local_reg_remat_bb_data before create_cands.

2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/68986
        * config/i386/i386.c (ix86_update_stack_boundary): Don't
        change stack_alignment_needed for __tls_get_addr call.

2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.

2016-01-27  Jeff Law  <law@redhat.com>

        PR tree-optimization/68398
        PR tree-optimization/69196
        * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
        (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
        * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
        Only count PHIs in the last block in the path.  The others will
        const/copy propagate away.  Add heuristic to allow more irreducible
        subloops to be created when it is likely profitable to do so.

        * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
        Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
        check from within the loop.  Use gsi_next_nondebug rather than gsi_next.

2016-01-27  Jakub Jelinek  <jakub@redhat.com>

        PR lto/69254
        * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
        END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
        * asan.c (DEF_BUILTIN_STUB): Temporarily define.
        * tree-streamer-in.c: Include asan.h.
        (streamer_get_builtin_tree): For builtins in sanitizer
        range call initialize_sanitizer_builtins and retry.

2016-01-27  Ian Lance Taylor  <iant@google.com>

        * common.opt (fkeep-gc-roots-live): New undocumented option.
        * tree-ssa-loop-ivopts.c (add_candidate_1): If
        -fkeep-gc-roots-live, skip pointers.
        (add_iv_candidate_for_biv): Handle add_candidate_1 returning
        NULL.

2016-01-27  Uros Bizjak  <ubizjak@gmail.com>

        PR target/69512
        * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
        (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.

2016-01-27  Thomas Klausner  <wiz@NetBSD.org>

        PR target/68380
        * configure.ac: NetBSD provides SSP in its C library.
        * configure: Updated.

2016-01-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69166
        * tree-vect-loop.c (vect_is_simple_reduction): Always check
        reduction code for commutativity / associativity.

2016-01-27  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/69355
        * tree-sra.c (analyze_access_subtree): Correct hole detection when
        total_scalarization fails.

2016-01-27  David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
        power9.

2016-01-27  Christian Bruel  <christian.bruel@st.com>

        PR target/69245
        * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
        Move arm_reset_previous_fndecl and set_target_option_current_node in
        the conditional part.  Call save_restore_target_globals.
        * config/arm/arm.c (arm_set_current_function):
        Refactor to better support #pragma target and attribute mix.
        Call save_restore_target_globals.
        * config/arm/arm-protos.h (save_restore_target_globals): New function.

2016-01-27  Martin Liska  <mliska@suse.cz>

        * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
        reference for an HSA kernel and its host function.

2016-01-27  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/69399
        * wide-int.h (wi::lrshift): For larger precisions, only
        use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.

2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/predicates.md (proper_comparison_operator): Reject
        constant-constant comparison.

2016-01-26  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/69110
        * tree-data-ref.c (initialize_data_dependence_relation): Handle
        DR_NUM_DIMENSIONS == 0.

2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
        isl_ast_op_cond and isl_ast_op_select.
        (gcc_expression_from_isl_expr_op): Same.

2016-01-26  Jason Merrill  <jason@redhat.com>

        PR c++/68782
        * tree.c (recompute_constructor_flags): Split out from
        build_constructor.
        (verify_constructor_flags): New.
        * tree.h: Declare them.

2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>

        PR rtl-optimization/69217
        * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
        are no TYPE_FIELDS set for the record type.

2016-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR target/68662
        * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
        toc_label_name unconditionally.
        (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
        SYMBOL_REF string.  Use toc_label_name instead of constructing
        LCTOC1.
        (rs6000_elf_declare_function_name): Use toc_label_name instead of
        constructing LCTOC1.

2016-01-26  Martin Sebor  <msebor@redhat.com>

        PR other/69477
        * doc/extend.texi (Common Type Attributes): Move text that talks about
        attribute packed from attribute aligned to the section discussing
        the former attribute for clarity.

2016-01-26  Richard Henderson  <rth@redhat.com>

        PR middle-end/60908
        * trans-mem.c (tm_region_init): Mark entry block as visited.

2016-01-26  David Malcolm  <dmalcolm@redhat.com>

        PR other/69006
        * diagnostic-show-locus.c (layout::print_source_line): Replace
        call to pp_newline with call to layout::print_newline.
        (layout::print_annotation_line): Likewise.
        (layout::move_to_column): Likewise.
        (layout::print_any_fixits): After printing any fixits, print a
        trailing newline, if necessary.
        (layout::print_newline): New method, resetting any colorization
        before a newline.
        (diagnostic_show_locus): Move the pp_newline to before the
        early bailout.  Remove dummy block enclosing the layout instance.
        * diagnostic.c (default_diagnostic_finalizer): Replace invocation
        of pp_newline_and_flush with pp_flush.
        (diagnostic_append_note): Delete use of pp_newline.
        (diagnostic_append_note_at_rich_loc): Delete.
        * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
        * pretty-print.h (output_buffer_append_r): Reset buff->line_length
        when newline characters are added to the buffer.

2016-01-26  Michael Matz  <matz@suse.de>

        * configure.ac (ac_cv_std_swap_in_utility): New test.
        * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
        * configure: Regenerate.
        * config.in: Regenerate.

2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.md (cstoresi4): Force operand into register.
        (arcset<code>): Fix predicate.
        (arcsetltu): Likewise.
        (arcsetgeu): Likewise.
        (arcsethi): Likewise.
        (arcsetls): Likewise.

2016-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/69483
        * gimple-fold.c (canonicalize_constructor_val): Return NULL
        if base has error_mark_node type.

2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>

        PR target/68620
        * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
        * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
        New helper macros.
        (vget_lane_f16): Handle big-endian.
        (vgetq_lane_f16): Likewise.
        (vset_lane_f16): Likewise.
        (vsetq_lane_f16): Likewise.
        * config/arm/iterators.md (VQXMOV): Add V8HF.
        (VDQ): Add V4HF and V8HF.
        (V_reg): Handle V4HF and V8HF.
        (Is_float_mode): Likewise.
        * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
        neon_vdup_nv8hf): New patterns.
        (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
        Use VD_LANE iterator.
        (neon_vld1_dup<mode>): Use VQ2 iterator.

2016-01-26  Nathan Sidwell  <nathan@acm.org>

        * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
        (set_oacc_fn_attrib): Add IS_KERNEL arg.
        * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
        (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
        (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
        (oacc_validate_dims): Add LEVEL arg, don't return level.
        (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
        oacc_validate_dims.
        (execute_oacc_device_lower): Adjust, add more dump output.
        * tree-ssa-loop.c (gate_oacc_kernels): Use
        oacc_fn_attrib_kernels_p.
        * tree-parloops.c (create_parallel_loop): Adjust
        set_oacc_fn_attrib call.

2016-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR lto/69254
        * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
        (append_compiler_options): Handle -fcilkplus.
        (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.

2016-01-26  Nick Clifton  <nickc@redhat.com>

        PR target/66655
        * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
        been marked as DECL_ONE_ONLY but we do not the means to make it
        so, then do not allow it to bind locally.

2016-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR lto/69254
        * opts.h (parse_sanitizer_options): New prototype.
        * opts.c (sanitizer_opts): New array.
        (parse_sanitizer_options): New function.
        (common_handle_option): Use parse_sanitizer_options.

2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/68986
        * config/i386/i386.c (ix86_compute_frame_layout): Move stack
        alignment adjustment to ...
        (ix86_update_stack_boundary): Here.  Don't over-align stack for
        __tls_get_addr.
        (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
        if __tls_get_addr is called.

2016-01-26  Christian Bruel  <christian.bruel@st.com>

        * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.

2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>

        * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.

2016-01-26  Richard Biener  <rguenther@suse.de>

        PR middle-end/69467
        * match.pd: Guard X * CST CMP 0 pattern with single_use.

2016-01-26  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69452
        * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
        (move_computations_dom_walker::before_dom_children): Rename
        to ...
        (move_computations_worker): This.
        (move_computations): Perform an RPO rather than a DOM walk.

2016-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR target/69442
        * combine.c (combine_instructions): For REG_EQUAL note with
        SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
        to the underlying register.
        * doc/rtl.texi (REG_EQUAL): Document the behavior of
        REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.

2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>

        PR target/67896
        * config/aarch64/aarch64-builtins.c
        (aarch64_init_simd_builtin_types): Do not set structural
        equality to __Poly{8,16,64,128}_t types.

2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/69400
        * wide-int.cc (wi_pack): Take the precision as argument and
        perform canonicalization here rather than in the callers.
        Use the main loop to handle all full-width HWIs.  Add a
        zero HWI if in_len isn't a full result.
        (wi::divmod_internal): Update accordingly.
        (wi::mul_internal): Likewise.  Simplify.

2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-poly.c (apply_poly_transforms): Simplify.
        (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
        (print_isl_map): Same.
        (print_isl_union_map): Same.
        (print_isl_schedule): New.
        (debug_isl_schedule): New.
        * graphite-dependences.c (scop_get_reads): Do not call
        isl_union_map_add_map that is undocumented isl functionality.
        (scop_get_must_writes): Same.
        (scop_get_may_writes): Same.
        (scop_get_original_schedule): Remove.
        (scop_get_dependences): Do not call isl_union_map_compute_flow that
        is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
        (compute_deps): Remove.
        * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
        (debug_schedule_ast): New.
        (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
        set_separate_option.
        (graphite_regenerate_ast_isl): Add dump.
        (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
        from scop->transformed_schedule.
        (graphite_regenerate_ast_isl): Add more dump.
        * graphite-optimize-isl.c (optimize_isl): Set
        scop->transformed_schedule.  Check whether schedules are equal.
        (apply_poly_transforms): Move here.
        * graphite-poly.c (apply_poly_transforms): ... from here.
        (free_poly_bb): Static.
        (free_scop): Static.
        (pbb_number_of_iterations_at_time): Remove.
        (print_isl_ast): New.
        (debug_isl_ast): New.
        (debug_scop_pbb): New.
        * graphite-scop-detection.c (print_edge): Move.
        (print_sese): Move.
        * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
        (build_scop_scattering): Remove.
        (create_pw_aff_from_tree): Assert instead of bailing out.
        (add_condition_to_pbb): Remove unused code, do not fail.
        (add_conditions_to_domain): Same.
        (add_conditions_to_constraints): Remove.
        (build_scop_context): New.
        (add_iter_domain_dimension): New.
        (build_iteration_domains): Initialize pbb->iterators.
        Call add_conditions_to_domain.
        (nested_in): New.
        (loop_at): New.
        (index_outermost_in_loop): New.
        (index_pbb_in_loop): New.
        (outermost_pbb_in): New.
        (add_in_sequence): New.
        (add_outer_projection): New.
        (outer_projection_mupa): New.
        (add_loop_schedule): New.
        (build_schedule_pbb): New.
        (build_schedule_loop): New.
        (embed_in_surrounding_loops): New.
        (build_schedule_loop_nest): New.
        (build_original_schedule): New.
        (build_poly_scop): Call build_original_schedule.
        * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
        (free_poly_dr): Remove.
        (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
        (free_poly_bb): Remove.
        (debug_loop_vec): Remove.
        (print_isl_ast): Declare.
        (debug_isl_ast): Declare.
        (scop_do_interchange): Remove.
        (scop_do_strip_mine): Remove.
        (scop_do_block): Remove.
        (flatten_all_loops): Remove.
        (optimize_isl): Remove.
        (pbb_number_of_iterations_at_time): Remove.
        (debug_scop_pbb): Declare.
        (print_schedule_ast): Declare.
        (debug_schedule_ast): Declare.
        (struct scop): Remove schedule.  Add original_schedule,
        transformed_schedule.
        (free_gimple_poly_bb): Remove.
        (print_generated_program): Remove.
        (debug_generated_program): Remove.
        (unify_scattering_dimensions): Remove.
        * sese.c (print_edge): ... here.
        (print_sese): ... here.
        (debug_edge): ... here.
        (debug_sese): ... here.
        * sese.h (print_edge): Declare.
        (print_sese): Declare.
        (dump_edge): Declare.
        (dump_sese): Declare.

2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * Makefile.in: Set ISLVER in site.exp.

2016-01-25  Jakub Jelinek  <jakub@redhat.com>

        * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
        DECL_VALUE_EXPR of new_var even for the non-array case.  Look
        through DECL_VALUE_EXPR for expansion.

2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
        the frame info after reload completed.

2016-01-25  Jeff Law  <law@redhat.com>

        PR tree-optimization/69196
        PR tree-optimization/68398
        * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
        tree-ssa-threadupdate.c.
        (determine_bb_domination_status): Prototype
        * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
        (determine_bb_domination_status): No longer static.
        (valid_jump_thread_path): Remove code to detect characteristics
        of the jump thread path not associated with correctness.
        * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
        Correct test for thread path length.  Count PHIs for real operands as
        statements that need to be copied.  Do not count ASSERT_EXPRs.
        Look at all the blocks in the thread path.  Compute and selectively
        filter thread paths based on threading through the latch, threading
        a multiway branch or crossing a multiway branch.

2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
        decl with __attribute__ ((unused)) annotation.

2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR target/69421
        * tree-vect-stmts.c (vectorizable_condition): Check vectype
        of operands is compatible with a statement vectype.

2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>

        * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
        improve wording for mixed storage order support.

2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>

        * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
        (vcvt_u64_f64): Likewise.
        (vcvta_s64_f64): Likewise.
        (vcvta_u64_f64): Likewise.
        (vcvtm_s64_f64): Likewise.
        (vcvtm_u64_f64): Likewise.
        (vcvtn_s64_f64): Likewise.
        (vcvtn_u64_f64): Likewise.
        (vcvtp_s64_f64): Likewise.
        (vcvtp_u64_f64): Likewise.

2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
        (arc_init): Check validity mll64 option.
        (arc_save_restore): Use double load/store instruction.
        (arc_expand_movmem): Likewise.
        (arc_split_move): Don't split if we have double load/store
        instructions. Returns a boolean.
        (arc_process_double_reg_moves): Change function to return boolean
        instead of a sequence of instructions.
        (arc_dwarf_register_span): New function.
        * config/arc/arc-protos.h (arc_split_move): Change prototype.
        * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
        * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
        (*movdf_insn): Likewise.
        * config/arc/arc.opt (mll64): New option.
        * config/arc/predicates.md (even_register_operand): New predicate.
        * doc/invoke.texi (ARC Options): Add mll64 documentation.

2016-01-25  Richard Biener  <rguenther@suse.de>

        PR lto/69393
        * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
        * tree-streamer-out.c (pack_ts_base_value_fields): Stream
        DECL_NAMELESS.
        * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.

2016-01-25  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69376
        * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
        flag.
        (VN_INFO_ANTI_RANGE_P): New inline.
        (VN_INFO_RANGE_TYPE): Likewise.
        * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
        SSA_NAME_ANTI_RANGE_P.
        (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
        * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
        Properly query VN_INFO_RANGE_TYPE.

2016-01-25  Nick Clifton  <nickc@redhat.com>

        PR target/66655
        * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.

2016-01-23  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/69426
        * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
        removed clobber.

2016-01-23  Jakub Jelinek  <jakub@redhat.com>

        * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
        "the the" with "the" in the comments.
        * ipa-devirt.c (build_type_inheritance_graph,
        update_type_inheritance_graph): Likewise.
        * tree.c (build_function_type_list_1): Likewise.
        * cfgloopmanip.c (scale_loop_profile): Likewise.
        * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
        * gimple-ssa-split-paths.c
        (find_block_to_duplicate_for_splitting_paths): Likewise.
        * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
        * expr.c (convert_move): Likewise.
        * var-tracking.c (vt_stack_adjustments): Likewise.
        * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
        * tree-vrp.c (test_for_singularity): Likewise.

        * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
        directly instead of building a temporary tree.

        PR bootstrap/69434
        * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
        remove <algorithm> include.

2016-01-22  Jakub Jelinek  <jakub@redhat.com>

        PR target/69432
        * config/i386/i386.c: Include dojump.h.
        (expand_small_movmem_or_setmem,
        expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
        fixes.
        (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
        if dynamic_check != -1.

2016-01-21  Jeff Law  <law@redhat.com>

        PR middle-end/69347
        * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
        record_temporary_equivalences.  Rewritten to avoid unnecessary calls
        into dominated_by_p.
        (cprop_into_successor_phis): Avoid unnecessary tests.

2016-01-22  Richard Henderson  <rth@redhat.com>

        PR target/69416
        * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
        (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.

2016-01-22  Michael Matz  <matz@suse.de>

        * system.h (string, algorithm): Include only conditionally.
        (new): Include always under C++.
        * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
        * final.c (toplevel): Ditto.
        * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
        * genconditions.c (write_header): Make gencondmd.c define
        INCLUDE_STRING.
        * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.

        * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
        * common/config/aarch64/aarch64-common.c (toplevel): Ditto.

2016-01-22  Christian Bruel  <christian.bruel@st.com>

        PR target/68674
        * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.

2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/69403
        * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
        define_insn_and_split.  Ensure operands[1] and operands[0] do not
        get assigned the same register.

2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>

        * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.

2016-01-22  Christian Bruel  <christian.bruel@st.com>

        * config/arm/arm-c.c (arm_pragma_target_parse):
        Remove warn_builtin_macro_redefined overwrite.

2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>

        * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
        flag_non_call_exceptions compatibility.

2016-01-22  Jakub Jelinek  <jakub@redhat.com>

        PR debug/66668
        * dwarf2out.c (add_child_die_after): New function.
        (dwarf_qual_info_t): New type.
        (dwarf_qual_info): New variable.
        (qualified_die_p): New function.
        (modified_type_die): For -fdebug-types-section, ensure
        canonical order of qualifiers.  Put qualified DIEs adjacent
        to the corresponding non-qualified type DIE and search there
        for existing qualified DIEs.

2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>

        * doc/extend.texi (scalar_storage_order type attribute): Document
        restriction on type punning and aliasing, and remove future tense.

2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>

        PR target/69252
        * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
        first stage.

2016-01-21  Jeff Law  <law@redhat.com>

        PR middle-end/69347
        * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
        useless call to record_temporary_equivalences.
        * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
        allocate 10 slots in the bb_path vector and let it grow as needed.
        (fsm_find_control_statement_thread_paths): Similarly for the next_path
        vector.

2016-01-21  David Edelsohn  <dje.gcc@gmail.com>

        * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
        Detangle.
        * configure: Regenerate.

2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>

        * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
        * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.

2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>

        PR middle-end/66178
        * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
        drop EXPAND_INITIALIZER.
        * rtl.h (contains_symbolic_reference_p): Declare.
        * rtlanal.c (contains_symbolic_reference_p): New function.
        * simplify-rtx.c (simplify_binary_operation_1): Don't turn
        a subtraction into a NOT if symbolic constants are involved.

2016-01-21  Anton Blanchard  <anton@samba.org>
            Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR target/63354
        * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
        #define.
        * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
        function.

2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>

        * config/microblaze/microblaze.c
        (get_branch_target): New.
        (insert_wic_for_ilb_runout): New.
        (insert_wic): New.
        (microblaze_machine_dependent_reorg): New.
        (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
        * config/microblaze/microblaze.md
        (UNSPEC_IPREFETCH): Define.
        (iprefetch): New pattern
        * config/microblaze/microblaze.opt
        (mxl-prefetch): New flag.

2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>

        * config/microblaze/microblaze.h
        (FIXED_REGISTERS): Update in macro.
        (CALL_USED_REGISTERS): Update in macro.

2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>

        PR rtl-optimization/68920
        * ifcvt.c (cond_move_process_if_block): Limit number of conditional
        moves.

2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/68990
        * lra-coalesce.c (lra_coalesce): Invalidate value for the result
        pseudo instead of inheritance ones.

2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
            Nick Clifton  <nickc@redhat.com>

        PR target/69129
        PR target/69012
        * config/mips/mips.c (mips_compute_frame_info): Initialise
        args_size and hard_frame_pointer_offset fields of the frame
        structure before calling mips_global_pointer.

2016-01-21  David Edelsohn  <dje.gcc@gmail.com>

        * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
        label reference.
        * configure: Regenerate.

2016-01-21  Richard Biener  <rguenther@suse.de>

        * graphite-optimize-isl.c (get_schedule_map): Fix typo.

2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>

        * config/s390/s390.c (s390_asm_declare_function_size): Add code
        to actually emit the .size directive.

2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
             Jakub Jelinek  <jakub@redhat.com>

        PR target/69187
        PR target/65624
        * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
        args array size by one to avoid buffer overflow.

2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>

        * config/s390/s390.md (pool_section_start): Use switch_to_section
        to select proper read-only data section instead of hardcoding
        .rodata.
        (pool_section_end): Use switch_to_section to match the above.

2016-01-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69378
        * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
        (set_ssa_val_to): Use it for dominance checks taking into
        account not executable edges.

2016-01-21  Jakub Jelinek  <jakub@redhat.com>

        PR c++/69355
        * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
        for bitsize instead of GET_MODE_PRECISION (mode).

2016-01-20  Martin Sebor  <msebor@redhat.com>

        PR c/52291
        * extend.texi (__sync Builtins): Clarify the semantics of
        __sync_fetch_and_OP built-ins on pointers.
        (__atomic Builtins): Same.

2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
        (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
        (is_valid_rename): Same.
        (translate_isl_ast_to_gimple::get_rename): Same.
        (translate_isl_ast_to_gimple::rename_all_uses): Same.
        (translate_isl_ast_to_gimple::rename_uses): Same.
        (get_new_name): Check for close_phi nodes.
        (copy_loop_phi_args): Use phi_node_kind.
        (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
        (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.

2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        Revert commit r229783.
        * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
        Remove use of parameter_rename_map.
        (copy_def): Remove.
        (copy_internal_parameters): Remove.
        (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
        * sese.c (new_sese_info): Do not initialize parameter_rename_map.
        (free_sese_info): Do not free parameter_rename_map.
        (set_rename): Do not use parameter_rename_map.
        (rename_uses): Update call to set_rename.
        (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
        * sese.h (parameter_rename_map_t): Remove.
        (struct sese_info_t): Remove field parameter_rename_map.

2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-isl-ast-to-gimple.c: Fix comment.
        * graphite-scop-detection.c (defined_in_loop_p): New.
        (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
        names defined in loop.

2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
        Discard unstructured if-then-else regions.

2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
        (cleanup_loop_iter_dom): Remove.
        (build_loop_iteration_domains): Remove.
        (build_scop_context): Remove.
        (build_scop_iteration_domain): Remove.
        (add_loop_constraints): New.
        (build_iteration_domains): New.
        (build_poly_scop): Call build_iteration_domains.

2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-scop-detection.c
        (scop_detection::harmful_loop_in_region): Free dom and loops.
        (scop_detection::loop_body_is_valid_scop): Free bbs.

2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-scop-detection.c (record_loop_in_sese): New.
        (gather_bbs::before_dom_children): Call record_loop_in_sese.
        (build_scops): Remove call to build_sese_loop_nests.
        * sese.c (sese_record_loop): Remove.
        (build_sese_loop_nests): Remove.
        (new_sese_info): Remove region->loops.
        (free_sese_info): Same.
        * sese.h (sese_contains_loop): Same.
        (build_sese_loop_nests): Remove.
        (sese_contains_loop): Remove.

2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-scop-detection.c (loop_is_valid_scop): Renamed
        loop_is_valid_in_scop.
        (scop_detection::harmful_stmt_in_region): Renamed
        harmful_loop_in_region.
        Call loop_is_valid_in_scop.

2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
        isl_ast_node_mark.

2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
        * graphite.h (struct poly_bb): Remove field is_reduction.
        (PBB_IS_REDUCTION): Remove.

2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
        (add_pdr_constraints): Same.
        (scop_get_reads): Same.
        (scop_get_must_writes): Same.
        (scop_get_may_writes): Same.
        (scop_get_original_schedule): Same.
        (extend_schedule): Same.
        (apply_schedule_on_deps): Same.
        (carries_deps): Same.
        (compute_deps): Same.
        (scop_get_dependences): Same.
        * graphite-isl-ast-to-gimple.c
        (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
        * graphite-optimize-isl.c (get_schedule_for_band): Same.
        (get_schedule_for_band_list): Same.
        (get_schedule_map): Same.
        (apply_schedule_map_to_scop): Same.
        * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
        (build_loop_iteration_domains): Same.
        (add_condition_to_pbb): Same.
        (add_param_constraints): Same.
        (pdr_add_memory_accesses): Same.
        (pdr_add_data_dimensions): Same.

2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
        requirements.

2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>

        * common.opt (feliminate-dwarf2-dups): Replace references to
        "DWARF 2" with just "DWARF".
        * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
        * doc/extend.texi: Likewise.
        * doc/cpp.texi: Likewise.
        * doc/invoke.texi: Likewise.
        (Option Summary): Add -gdwarf to list of Debugging Options.
        (Debugging Options): Document -gdwarf.
        * doc/contrib.texi: Spell "DWARF" like that.

2016-01-21  Jakub Jelinek  <jakub@redhat.com>

        * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
        warning.  Fix up formatting.

        PR middle-end/67653
        * gimplify.c (gimplify_asm_expr): Warn if it is too late to
        attempt to mark memory input operand addressable and
        call prepare_gimple_addressable in that case.  Don't adjust
        input_location for diagnostics, use error_at instead.

2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>

        * config/rs6000/ppc-auxv.h: New file.
        * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
        (cpu_is): Likewise.
        (cpu_supports): Likewise.
        * config/rs6000/rs6000.c: include "ppc-auxv.h".
        (cpu_is_info): New variable.
        (cpu_supports_info): Likewise.
        (tcb_verification_symbol): Likewise.
        (cpu_builtin_p): Likewise.
        (cpu_expand_builtin): New function.
        (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
        (rs6000_init_builtins): Likewise.
        (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
        * config/rs6000/rs6000.h (TLS_REGNUM): New define.
        * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
        * configure: Regenerate.
        * config.in: Likewise.
        * doc/extend.texi (PowerPC Built-in Functions): Document
        __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.

2016-01-20  David Edelsohn  <dje.gcc@gmail.com>

        PR target/68609
        * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
        domain check.
        * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
        for V4SFmode.

2016-01-20  Richard Henderson  <rth@redhat.com>

        PR bootstrap/69343
        PR bootstrap/69339
        PR tree-opt/68964
        Revert:
        * tree.c (tm_define_builtin): New.
        (find_tm_vector_type): New.
        (build_tm_vector_builtins): New.
        (build_common_builtin_nodes): Call it.

2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>

        * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
        (arm_fp_ok): Likewise.
        (arm_fp): Likewise.
        (arm_crypto): Likewise.

2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
            Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69328
        * tree-vect-stmts.c (vect_is_simple_cond): Check compared
        vectors have same number of elements.
        (vectorizable_condition): Fix masked version recognition.

2016-01-20  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69345
        * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
        (VN_INFO_PTR_INFO): Likewise.
        * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
        info when it is equal between non-dominating SSA names.
        * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
        Make sure to look at original SSA infos.

2016-01-20  Jeff Law  <law@redhat.com>

        PR target/25114
        * config/m68k/predicates.md (pow2_m1_operand): New predicate
        extracted from ...
        (reg_or_pow2_m1_operand): Call pow2_m1_operand.
        (pc_or_label_operand): New predicate.
        * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
        tests for small integers that are 2^n - 1.

2016-01-20  Jonathan Wakely  <jwakely@redhat.com>

        * doc/invoke.texi (Options Summary): Add '.' after @xref.

2016-01-19  Jeff Law  <law@redhat.com>

        PR middle-end/69347
        * tree-ssa-threadbackwards.c
        (fsm_find_control_statement_thread_paths): Do not try to lookup
        FSM paths for SSA_NAMEs appearing in abnormal PHIs.

2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>

        * doc/lto.texi: Remove text that says only Gold has linker plugin
        support.

2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>

        * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
        (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
        the DIE accordingly.
        (modified_type_die): Add REVERSE parameter and pass it recursively,
        as well as to base_type_die.  Adjust presence check accordingly.
        (base_type_for_mode): Adjust call to modified_type_die.
        (add_type_attribute): Add REVERSE parameter and pass it to
        modified_type_die.
        (generic_parameter_die): Adjust call to add_type_attribute.
        (add_scalar_info): Likewise.
        (add_subscript_info): Likewise.
        (gen_array_type_die): Likewise.
        (gen_descr_array_type_die): Likewise.
        (gen_entry_point_die): Likewise.
        (gen_enumeration_type_die): Likewise.
        (gen_formal_parameter_die): Likewise.
        (gen_subprogram_die): Likewise.
        (gen_variable_die ): Likewise.
        (gen_const_die): Likewise.
        (gen_field_die): Likewise.
        (gen_pointer_type_die): Likewise.
        (gen_reference_type_die): Likewise.
        (gen_ptr_to_mbr_type_die): Likewise.
        (gen_inheritance_die): Likewise.
        (gen_subroutine_type_die): Likewise.
        (gen_typedef_die): Likewise.
        (force_type_die): Adjust call to modified_type_die.

2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/standards.texi: Copy-editing for grammar, markup, and sentence
        flow throughout the file.  Fix broken link to Objective-C 2.0
        documentation.
        * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
        errors.

2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>

        * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.

2016-01-19  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/66223
        * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
        (maybe_record_node): Record cxa_pure_virtual as the only possible
        target if there are not ohter candidates.
        (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.

2016-01-19  Richard Biener  <rguenther@suse.de>

        * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
        (get_memory_order): Likewise.

2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>

        * tree-vect-stmts.c (vectorizable_store): Check
        rhs vectype.

2016-01-19  David Malcolm  <dmalcolm@redhat.com>

        PR jit/68446
        * gcc.c (driver::decode_argv): Add call to
        init_opts_obstack before init_options_struct.
        * opts.c (init_opts_obstack): Remove idempotency.
        (init_options_struct): Replace call to init_opts_obstack
        with a gcc_assert to verify that it has already been called.
        * toplev.c (toplev::main): Add call to init_opts_obstack before
        calls to init_options_struct.
        (toplev::finalize): Move cleanup of opts_obstack next to
        cleanup of save_decoded_options, clearing the latter, and
        save_decoded_options_count.

2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/69135
        * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
        attribute to unconditional.  Remove %? from output template.

2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
            Jiong Wang  <jiong.wang@arm.com>

        * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
        generated from different expand order.

2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>

        * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
        Add support for CCMP costing.

2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>

        * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
        * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
        (fccmpe<mode>): Likewise.
        (fcmp): Rename to fcmp and globalize pattern.
        (fcmpe): Likewise.
        * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
        (aarch64_gen_ccmp_next): Add FP support.

2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>

        * target.def (gen_ccmp_first): Update documentation.
        (gen_ccmp_next): Likewise.
        * doc/tm.texi (gen_ccmp_first): Update documentation.
        (gen_ccmp_next): Likewise.
        * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
        expand_ccmp_expr_1.  Improve comments.
        * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
        (ccmp_ior<mode>): Remove pattern.
        (cmp<mode>): Remove expand.
        (cmp): Globalize pattern.
        (cstorecc4): Use cc_register.
        (mov<mode>cc): Remove ccmp_cc_register check.
        * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
        Simplify after removal of CC_DNE/* modes.
        (aarch64_ccmp_mode_to_code): Remove.
        (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
        In 'k' case use integer as condition.
        (aarch64_nzcv_codes): Remove inverted cases.
        (aarch64_code_to_ccmode): Remove.
        (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
        comparison with CC register to be used in folowing CCMP/branch/CSEL.
        (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
        pattern.  Return the comparison with CC register.  Invert conditions
        when bitcode is OR.
        * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
        * config/aarch64/predicates.md (ccmp_cc_register): Remove.

2016-01-19  Jan Hubicka  <hubicka@ucw.cz>

        * cgraphunit.c (cgraph_node::reset): Clear thunk info and
        instrumented_version.

2016-01-19  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69336
        * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
        handled components with get_ref_base_and_extent.
        (equal_mem_array_ref_p): Adjust.

2016-01-19  Jakub Jelinek  <jakub@redhat.com>

        PR debug/65779
        * shrink-wrap.c: Include valtrack.h.
        (move_insn_for_shrink_wrap): Add DEBUG argument.  If
        MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
        in between insn and where it will be moved to.  Call
        dead_debug_insert_temp.
        (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
        first and dead_debug_local_finish at the end.
        For uses and defs bitmap, handle all regs in between REGNO and
        END_REGNO, not just the first one.

2016-01-19  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69352
        * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
        (equal_mem_array_ref_p): Constrain size and max size properly.
        Compare the reverse flag.

2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>

        * ira.c (ira): Update regstat data if we deleted insns.

2016-01-19  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/68955
        PR rtl-optimization/64557
        * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
        here.  Fix up formatting.
        * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.

2016-01-19  Jan Hubicka  <hubicka@ucw.cz>

        PR lto/69133
        * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
        assume that the node has body.
        * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
        check.

2016-01-19  Jan Hubicka  <hubicka@ucw.cz>

        * lto-streamer-out.c (lto_output): Do not stream instrumentation
        thunks.

2016-01-19  Jan Hubicka  <hubicka@ucw.cz>

        * symtab.c (symtab_node::asm_name): Do not call printable name directly.
        (symtab_node::name): Report name as unnamed if DECL_NAME is not set.

2016-01-19  Martin Jambor  <mjambor@suse.cz>
            Martin Liska  <mliska@suse.cz>
            Michael Matz  <matz@suse.de>

        * Makefile.in (OBJS): Add new source files.
        (GTFILES): Add hsa.c.
        * common.opt (disable_hsa): New variable.
        (-Whsa): New warning.
        * config.in (ENABLE_HSA): New.
        * configure.ac: Treat hsa differently from other accelerators.
        (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
        $enable_offloading.
        (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
        * doc/install.texi (Configuration): Document --with-hsa-runtime,
        --with-hsa-runtime-include, --with-hsa-runtime-lib and
        --with-hsa-kmt-lib.
        * doc/invoke.texi (-Whsa): Document.
        (hsa-gen-debug-stores): Likewise.
        * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
        to invoke offload compiler for hsa acclerator.
        * opts.c (common_handle_option): Determine whether HSA offloading
        should be performed.
        * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
        * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
        (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
        (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
        * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
        * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
        GF_OMP_FOR_KIND_GRID_LOOP.
        (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
        (pp_gimple_stmt_1): Likewise.
        * gimple-walk.c (walk_gimple_stmt): Likewise.
        * gimple.c (gimple_build_omp_grid_body): New function.
        (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
        * gimple.def (GIMPLE_OMP_GRID_BODY): New.
        * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
        GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
        GF_OMP_TEAMS_GRID_PHONY.
        (gimple_statement_omp_single_layout): Updated comments.
        (gimple_build_omp_grid_body): New function.
        (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
        (gimple_omp_for_grid_phony): New function.
        (gimple_omp_for_set_grid_phony): Likewise.
        (gimple_omp_parallel_grid_phony): Likewise.
        (gimple_omp_parallel_set_grid_phony): Likewise.
        (gimple_omp_teams_grid_phony): Likewise.
        (gimple_omp_teams_set_grid_phony): Likewise.
        (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
        * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
        (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
        (BUILT_IN_GOMP_TARGET): Updated type.
        * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
        (adjust_for_condition): New function.
        (get_omp_for_step_from_incr): Likewise.
        (extract_omp_for_data): Moved parts to adjust_for_condition and
        get_omp_for_step_from_incr.
        (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
        (fixup_child_record_type): Bail out if receiver_decl is NULL.
        (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
        (scan_omp_parallel): Do not create child functions for phony
        constructs.
        (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
        (scan_omp_1_op): Checking assert we are not remapping to
        ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
        (parallel_needs_hsa_kernel_p): New function.
        (expand_parallel_call): Register apprpriate parallel child
        functions as HSA kernels.
        (grid_launch_attributes_trees): New type.
        (grid_attr_trees): New variable.
        (grid_create_kernel_launch_attr_types): New function.
        (grid_insert_store_range_dim): Likewise.
        (grid_get_kernel_launch_attributes): Likewise.
        (get_target_argument_identifier_1): Likewise.
        (get_target_argument_identifier): Likewise.
        (get_target_argument_value): Likewise.
        (push_target_argument_according_to_value): Likewise.
        (get_target_arguments): Likewise.
        (expand_omp_target): Call get_target_arguments instead of looking
        up for teams and thread limit.
        (grid_expand_omp_for_loop): New function.
        (grid_arg_decl_map): New type.
        (grid_remap_kernel_arg_accesses): New function.
        (grid_expand_target_kernel_body): New function.
        (expand_omp): Call it.
        (lower_omp_for): Do not emit phony constructs.
        (lower_omp_taskreg): Do not emit phony constructs but create for them
        a temporary variable receiver_decl.
        (lower_omp_taskreg): Do not emit phony constructs.
        (lower_omp_teams): Likewise.
        (lower_omp_grid_body): New function.
        (lower_omp_1): Call it.
        (grid_reg_assignment_to_local_var_p): New function.
        (grid_seq_only_contains_local_assignments): Likewise.
        (grid_find_single_omp_among_assignments_1): Likewise.
        (grid_find_single_omp_among_assignments): Likewise.
        (grid_find_ungridifiable_statement): Likewise.
        (grid_target_follows_gridifiable_pattern): Likewise.
        (grid_remap_prebody_decls): Likewise.
        (grid_copy_leading_local_assignments): Likewise.
        (grid_process_kernel_body_copy): Likewise.
        (grid_attempt_target_gridification): Likewise.
        (grid_gridify_all_targets_stmt): Likewise.
        (grid_gridify_all_targets): Likewise.
        (execute_lower_omp): Call grid_gridify_all_targets.
        (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
        * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
        (tree_omp_clause): Added union field dimension.
        * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
        * tree.c (omp_clause_num_ops): Added number of arguments of
        OMP_CLAUSE__GRIDDIM_.
        (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
        (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
        * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
        (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
        (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
        (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
        * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
        * tree-pass.h (make_pass_gen_hsail): Declare.
        (make_pass_ipa_hsa): Likewise.
        * ipa-hsa.c: New file.
        * lto-section-in.c (lto_section_name): Add hsa section name.
        * lto-streamer.h (lto_section_type): Add hsa section.
        * timevar.def (TV_IPA_HSA): New.
        * hsa-brig-format.h: New file.
        * hsa-brig.c: New file.
        * hsa-dump.c: Likewise.
        * hsa-gen.c: Likewise.
        * hsa.c: Likewise.
        * hsa.h: Likewise.
        * toplev.c (compile_file): Call hsa_output_brig.
        * hsa-regalloc.c: New file.

2016-01-18  Jeff Law  <law@redhat.com>

        PR tree-optimization/69320
        * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
        ranged object, do nothing if the RHS constant is not [0..1].
        (optimize_stmt): Comparing a boolean ranged object against a
        constant outside [0..1] results in a compile-time constant.

        * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
        test.

2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (Invoking GCC): Add new section to menu.
        (Option Summary): Update to reflect new section and moved options.
        (C++ Dialect Options): Move -fstats to new section.
        (Debugging Options): Move all dump, statistics, and other GCC
        developer options to new section.  Rewrite section introduction
        and re-order remaining options to put the more basic ones first.
        (Optimization Options): Move -fira-verbose and -flto-report* to
        new section.
        (Developer Options): New section incorporating moved options.
        * doc/cppopts.texi (-dM): Update cross-reference.

2016-01-18  Richard Henderson  <rth@redhat.com>

        PR target/69176
        * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
        operands to pseudo only if CSE is expected.  Split long immediate
        operands only after reload, and for the stack pointer.
        (*add<GPI>3_pluslong): Remove.
        (*addsi3_aarch64, *adddi3_aarch64): Merge into...
        (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
        (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
        (*add<GPI>3 peepholes): New.
        (*add<GPI>3 splitters): New.
        * config/aarch64/constraints.md (Upl): New.
        * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.

2016-01-18  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69297
        * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
        stmt at most once.
        (vect_bb_vectorization_profitable_p): Clear visited flag again.

2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>

        PR middle-end/68542
        * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
        of mixind vector and scalar types.
        (fold_relational_const): Add handling of vector
        comparison with boolean result.
        * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
        comparison of vector operands with boolean result for EQ/NE only.
        (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
        (verify_gimple_cond): Likewise.
        * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
        valid type of VAL.

2016-01-18  Joseph Myers  <joseph@codesourcery.com>

        * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
        !TARGET_OCTEON.

2016-01-18  Richard Biener  <rguenther@suse.de>

        PR middle-end/69308
        * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.

2016-01-18  Tom de Vries  <tom@codesourcery.com>

        * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.

2016-01-18  Tom de Vries  <tom@codesourcery.com>

        * omp-low.c (set_oacc_fn_attrib): Make extern.
        * omp-low.h (set_oacc_fn_attrib): Declare.
        * tree-parloops.c (struct reduction_info): Add reduc_addr field.
        (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
        (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
        Add and handle function parameter oacc_kernels_p.
        (find_reduc_addr, get_omp_data_i_param): New function.
        (ref_conflicts_with_region, oacc_entry_exit_ok_1)
        (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
        (parallelize_loops): Add and handle function parameter oacc_kernels_p.
        Calculate dominance info.  Skip loops that are not in a kernels region
        in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
        (pass_parallelize_loops::execute): Call parallelize_loops with
        oacc_kernels_p argument.
        (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
        New member function.
        (pass_parallelize_loops::bool oacc_kernels_p): New member var.
        * passes.def: Add argument to pass_parallelize_loops instantation.

2016-01-18  Tom de Vries  <tom@codesourcery.com>

        * tree-parloops.c (pass_parallelize_loops::execute): Allow
        pass_parallelize_loops to be run outside the loop pipeline.

2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>

        * tree-scalar-evolution.c (follow_copies_to_constant): New.
        (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.

2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>

        PR target/63679
        * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
        using get_ref_base_and_extent.
        (equal_mem_array_ref_p): New.
        (hashable_expr_equal_p): Add call to previous.

2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>

        PR target/63679
        * tree-sra.c (disqualified_constants, constant_decl_p): New.
        (sra_initialize): Allocate disqualified_constants.
        (sra_deinitialize): Free disqualified_constants.
        (disqualify_candidate): Update disqualified_constants when appropriate.
        (create_access): Scan for constant-pool entries as we go along.
        (scalarizable_type_p): Add check against type_contains_placeholder_p.
        (maybe_add_sra_candidate): Allow constant-pool entries.
        (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
        (initialize_constant_pool_replacements): New.
        (sra_modify_assign): Avoid mangling assignments created by previous,
        and don't generate writes into constant pool.
        (sra_modify_function_body): Call initialize_constant_pool_replacements.

2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * config/i386/i386.c (scalar_to_vector_candidate_p): Support
        andnot instruction.
        (scalar_chain::convert_op): Likewise.
        * config/i386/i386.md (*andndi3_doubleword): New.

2016-01-18  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69170
        * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
        building a vector from scalar results of a pattern stmt.

2016-01-18  Jakub Jelinek  <jakub@redhat.com>

        * haifa-sched.c (autopref_multipass_init): Work around
        -Wmaybe-uninitialized warning.

2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * config/arm/arm.c (thumb1_reorg): Check that the comparison is
        against the constant 0.

2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR tree-optimization/68799
        * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
        look up phi candidates in the statement-candidate map.
        (phi_add_costs): Likewise.
        (record_phi_increments): Likewise.
        (phi_incr_cost): Likewise.
        (ncd_with_phi): Likewise.
        (all_phi_incrs_profitable): Likewise.

2016-01-17  Jakub Jelinek  <jakub@redhat.com>

        * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
        -Wmaybe-uninitialized warning.

2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (Invoking GCC): Add new section to menu.
        (Option Summary): Update to reflect new section and moved options.
        (C++ Dialect Options): Move -fvtable-verify and related options.
        (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
        and profiling-related options.
        (Optimization Options): Move profile generation options and
        -fstack-protector and related options.
        (Instrumentation Options): New section incorporating moved options.
        (Code Generation Options): Move -finstrument-functions and
        related options, -fstack-check, -fstack-limit*, and -fbounds-check.

2016-01-16  Tom de Vries  <tom@codesourcery.com>

        * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.

2016-01-16  Tom de Vries  <tom@codesourcery.com>

        * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.

2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>

        * hash-table.h (hash_table::empty): Turn into an inline wrapper
        that checks whether the table is already empty.  Rename the
        original implementation to...
        (hash_table::empty_slot): ...this new private function.

2016-01-15  David Malcolm  <dmalcolm@redhat.com>

        PR diagnostic/68899
        * diagnostic-show-locus.c (layout::print_source_line): Move x
        offset of line until after call to
        get_line_width_without_trailing_whitespace.

2016-01-15  Jeff Law  <law@redhat.com>

        PR tree-optimization/69270
        * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
        tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
        * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
        * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
        * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
        ssa_name_has_boolean_range and constant_boolean_node.

2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/69030
        * lra-spills.c (remove_pseudos): Check nrefs and make the function
        returning bool.
        (spill_pseudos): Delete debug insn for dead pseudo.
        (lra_spill): Initiate spill_hard_reg and slots memory separately.

2016-01-15  Jiong Wang  <jiong.wang@arm.com>

        * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
        New.
        (TYPES_UNOPUS): Likewise.
        * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
        builtin type, from UNOP to UNOPUS.
        (lbtruncuv4sf): Likewise.
        (lbtruncuv2df): Likewise.
        (lrounduv2sf): Likewise.
        (lrounduv4sf): Likewise.
        (lrounduv2df): Likewise.
        (lroundusf): Likewise.
        (lroundusf): Likewise.
        (lceiluv2sf): Likewise.
        (lceiluv4sf): Likewise.
        (lceiluv2df): Likewise.
        (lceilusf): Likewise.
        (lceiludf): Likewise.
        (lflooruv2sf): Likewise.
        (lflooruv4sf): Likewise.
        (lflooruv2df): Likewise.
        (lfloorusf): Likewise.
        (lfloorudf): Likewise.
        (lfrintnuv2sf): Likewise.
        (lfrintnuv4sf): Likewise.
        (lfrintnuv2df): Likewise.
        (lfrintnusf): Likewise.
        (lfrintnudf): Likewise.
        * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
        conversion.
        (vcvtq_u32_f32): Likewise.
        (vcvtq_u64_f64): Likewise.
        (vcvta_u32_f32): Likewise.
        (vcvtaq_u32_f32): Likewise.
        (vcvtaq_u64_f64): Likewise.
        (vcvtm_u32_f32): Likewise.
        (vcvtmq_u32_f32): Likewise.
        (vcvtmq_u64_f64): Likewise.
        (vcvtn_u32_f32): Likwise.
        (vcvtnq_u32_f32): Likewise.
        (vcvtnq_u64_f64): Likewise.
        (vcvtp_u32_f32): Likewise.
        (vcvtpq_u32_f32): Likewise.
        (vcvtpq_u64_f64): Likewise.
        (vcvtmd_u64_f64): Likewise.
        (vcvtms_u32_f32): Likewise.
        (vcvtad_u64_f64): Likewise.
        (vcvtas_u32_f32): Likewise.
        (vcvtnd_u64_f64): Likewise.
        (vcvtns_u32_f32): Likewise.
        (vcvtpd_u64_f64): Likewise.
        (vcvtps_u32_f32): Likewise.

2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
        CSEL of zero_extended registers.

2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
        Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.

2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
        false when argument string is not found in the attributes table
        at all.

2016-01-15  David Edelsohn  <dje.gcc@gmail.com>

        PR target/68609
        * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
        (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
        * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
        precision estimate.

2016-01-15  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66856
        * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
        * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
        (vect_create_new_slp_node): Increment stmt reference count.
        (vect_get_and_check_slp_defs): Make sure stmts are nor already in
        an SLP tree before swapping operands.
        (vect_build_slp_tree): Likewise.
        (destroy_bb_vec_info): Free stmt info after SLP instances.
        * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
        * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
        (STMT_VINFO_NUM_SLP_USES): New macro.

2016-01-15  Richard Biener  <rguenther@suse.de>

        PR debug/69137
        * dwarf2out.c (add_linkage_name_raw): New function split out from ...
        (add_linkage_name): ... here.
        (gen_typedef_die): Use add_linkage_name_raw instead of
        add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
        if necessary.

2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>

        * gimplify.c (oacc_default_clause): Decode reference and pointer
        types for both kernels and parallel regions.

2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>

        PR middle-end/69246
        * calls.c (emit_call_1): Force n_popped to zero for sibcalls.

2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
        (convert_scalars_to_vector): Likewise.

2016-01-15  Jonathan Wakely  <jwakely@redhat.com>

        * doc/extend.texi (Type Traits): Fix grammar.

2016-01-15  Martin Jambor  <mjambor@suse.cz>

        * tree-inline.c (remap_decl): Use existing dclarations if
        remapping a type and prevent_decl_creation_for_types.
        (replace_locals_stmt): Do an initial remapping of non-VLA typed
        decls first.  Do real remapping with
        prevent_decl_creation_for_types set.
        * tree-inline.h (copy_body_data): New field
        prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
        padding.

2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * config/s390/s390.opt (mmvcle): More verbose help text.

2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * config/s390/s390.opt: Add period to -mzvector option text.

2016-01-15  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68961
        * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
        of invariants in stores again.

2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>

        * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.

2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * config/i386/i386.c (ix86_expand_branch): Don't split
        DI mode xor instruction to SI mode.

2016-01-15  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/68148
        * ipa-icf.c (sem_function::merge): Virtual functions may become
        reachable even if they address is not taken and there are no
        idrect calls.

2016-01-15  Jan Hubicka  <hubicka@ucw.cz>

        * lto-streamer-out.c (subtract_estimated_size): New function.
        (get_symbol_initial_value): Use it.

2016-01-15  Christian Bruel  <christian.bruel@st.com>

        PR target/65837
        * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
        (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
        (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
        use add_builtin_function_ext_scope instead of add_builtin_function.
        (neon_set_p, neon_crypto_set_p): Remove.
        (arm_init_builtins): Always call arm_init_neon_builtins and
        arm_init_crypto_builtins.
        (arm_expand_builtin): Check that builtins are allowed for the arch.
        * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
        * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
        arm_init_neon_builtins call.

2016-01-15  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69117
        * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
        * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
        of the leader conservatively.
        (free_scc_vn): Restore original SSA name infos.

2016-01-14  Jeff Law  <law@redhat.com>

        PR tree-optimization/69270
        * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
        single bit of precision, verify it's also unsigned.
        (record_edge_info): Use constant_boolean_node rather than fold_convert
        to convert boolean_true/boolean_false to the right type.

2016-01-14  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/69014
        * loop-doloop.c (record_reg_sets): New.
        (doloop_optimize): Reject the transform if the sequence
        clobbers registers live at the end of the loop block.
        (doloop_optimize_loops): Enable df_live if needed.

2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
        * gcc/config/rs6000/rs6000.c: Likewise.
        * gcc/config/rs6000/rs6000.h: Likewise.
        * gcc/config/rs6000/rs6000.md: Likewise.
        * gcc/doc/extend.texi: Likewsie.

2016-01-14  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
        typo.

2016-01-14  Richard Henderson  <rth@redhat.com>

        PR c/69272
        PR tree-opt/68964
        * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
        * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
        instead of builtin_decl_declared_p to test for declaration.

2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>

        * doc/loop.texi (Loop Analysis and Representation): Document
        loop_depth function.

2016-01-14  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/68773
        * omp-low.c (expand_omp_target): Don't set force_output.
        * varpool.c (varpool_node::get_create): Same.
        * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
        offload_funcs with force_output.

2016-01-14  Jakub Jelinek  <jakub@redhat.com>

        PR debug/69244
        * lra-eliminations.c (move_plus_up): Don't change anything if either
        the outer or inner subreg mode is not MODE_INT.
        * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
        integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.

2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>

        * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
        reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
        reduc_uplus_@var{m}): Remove.
        * expr.c (expand_expr_real_2): Remove expansion path for
        reduc_[us](min|max|plus) optabs.
        * optabs-tree.c (scalar_reduc_to_vector): Remove.
        * optabs-tree.h (scalar_reduc_to_vector): Remove.
        * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
        reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
        * tree-vect-loop.c (vectorizable_reduction): Remove test for
        reduc_[us](min|max|plus) optabs.

2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>

        * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
        (reduc_plus_scal_v2sf): New.
        (reduc_smax_v2sf): Rename to...
        (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
        (reduc_smin_v2sf): Rename to...
        (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.

2016-01-14  Jan Hubicka  <hubicka@ucw.cz>

        * alias.c (compare_base_symbol_refs): New function.
        (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
        it.

2016-01-14  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/68146
        PR tree-optimization/69155
        * tree-complex.c: Include cfganal.h.
        (phis_to_revisit): New variable.
        (extract_component): Add phiarg_p argument.  Assert that returned
        SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
        (update_phi_components): Partly rewrite to use loop over real/imag
        components instead of code duplication.  If extract_component returns
        SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
        create_tmp_reg into the PHI node instead, and mention the phi triplet
        in phis_to_revisit.
        (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
        in phis_to_revisit at the end.

2016-01-14  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68060
        * tree-vect-loop.c (vect_is_simple_reduction): Check the
        outer loop reduction is only used in the inner loop before
        detecting a double reduction.

2016-01-14  Jakub Jelinek  <jakub@redhat.com>

        PR target/68269
        * combine.c (expand_field_assignment): Punt if compute_mode is
        unsupported scalar mode.

2016-01-14  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66856
        * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
        SLP node only if it built successfully.
        (vect_analyze_slp_instance): Adjust.

2016-01-14  Jeff Law  <law@redhat.com>

        PR tree-optimization/69270
        * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
        (record_edge_info): Use it.  Convert boolean_{true,false}_node
        to the type of op0.

2016-01-13  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/66487
        * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
        use block_ultimate_origin
        (noncall-stmt_may_be_vtbl_ptr_store): Likewise.

2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (Submodel Options): Rename section to
        "Machine-Dependent Options" to better reflect its content.
        Rewrite introductory text to remove archaic CPU names.
        Update references.

2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (Code Gen Options): Move section up in file,
        before target-specific options.  Update menu and option summary
        to reflect the new section ordering.

2016-01-13  Jonathan Wakely  <jwakely@redhat.com>

        * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
        (C++ Dialect Options): Add cross-reference to -std option.
        * doc/standards.texi (C++ Language): Document C++14 support.

2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
        for pack/unpack functions for __ibm128.
        (PACK_IF): Likewise.
        (UNPACK_IF): Likewise.

        * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
        support for __ibm128 pack/unpack functions.
        (rs6000_invalid_builtin): Likewise.
        (rs6000_init_builtins): Likewise.
        (rs6000_opt_masks): Likewise.

        * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
        (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
        functions
        (RS6000_BTM_COMMON): Likewise.

        * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
        (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
        disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
        128-bit floating point.  Add support for the double values to be
        in Altivec registers for TF/IF packing and unpacking, but restrict
        TD packing sub-fields to be FPR registers.  Don't allow overlapped
        register support for packing.  Allow pack inputs to be memory
        locations.  Don't build generator functions for unpack<mode>_dm
        and unpack<mode>_nodm.
        (unpack<mode>_dm): Likewise.
        (unpack<mode>_nodm): Likewise.
        (pack<mode>): Likewise.

        * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
        built-in functions to pack/unpack explicit __ibm128 values.
        (__builtin_unpack_ibm128): Likewise.

        * doc/extend.texi (PowerPC Built-in Functions): Document
        __builtin_pack_ibm128 and __builtin_unpack_ibm128.

2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>

        PR c/66208
        * c-common.c (check_function_nonnull): Remove unnecessary declaration.
        Add new arg loc and pass it down as context.
        (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
        to the location to use for the warning.
        (check_function_arguments): New arg loc.  All callers changed.  Pass
        it to check_function_nonnull.
        * c-common.h (check_function_arguments): Adjust declaration.

2016-01-13  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/69156
        * gimple.c (validate_type): Removed.
        (gimple_builtin_call_types_compatible_p): Use
        useless_type_conversion_p instead of validate_type.
        * value-prof.c (gimple_stringop_fixed_value): Fold
        icall_size to correct type.

2016-01-13  Jonathan Wakely  <jwakely@redhat.com>

        * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
        effects.

2016-01-13  Richard Henderson  <rth@redhat.com>

        PR tree-opt/68964
        * target.def (builtin_tm_load, builtin_tm_store): Remove.
        * config/i386/i386.c (ix86_builtin_tm_load): Remove.
        (ix86_builtin_tm_store): Remove.
        (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
        (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
        * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
        (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
        * doc/tm.texi: Rebuild.

        * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
        (BUILT_IN_TM_MEMCPY_RTWN): New.
        * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
        fallback from vector to integer helpers.
        (build_tm_load): Handle vector types directly, instead of
        via target hook.
        (build_tm_store): Likewise.
        (expand_assign_tm): Prepare for register types not handled by
        the above.  Copy them to memory and use memcpy.
        * tree.c (tm_define_builtin): New.
        (find_tm_vector_type): New.
        (build_tm_vector_builtins): New.
        (build_common_builtin_nodes): Call it.

2016-01-13  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
        TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.

2016-01-13  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/69169
        * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
        handled_struct_type param.
        (create_variable_info_for, intra_create_variable_infos): Call
        create_variable_info_for_1 with extra arg.

2016-01-13  Yvan Roux  <yvan.roux@linaro.org>

        * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
        and "armv8.1-a+crc" entries.

2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>

        PR target/69228
        * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
        Change first operand predicate from register_or_constm1_operand
        to register_operand.
        (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
        (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
        (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
        (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
        (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
        (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
        (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
        * config/i386/i386.c (ix86_expand_builtin): Remove first operand
        comparison with constm1_rtx from vec_prefetch_gen part.

2016-01-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69013
        * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
        Exchange assert for a test.

2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        PR target/69247
        * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.

2016-01-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69242
        * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
        assert with a check.

2016-01-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69186
        * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
        Properly guard vect_update_misalignment_for_peel call.

2016-01-12  Jeff Law  <law@redhat.com>

        PR tree-optimization/pr67755
        * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
        "need_profile_correction".
        (thread_block_1): Initialize new field to false by default.  If we
        have multiple thread paths through a common joiner to different
        final targets, then set new field to true.
        (compute_path_counts): Only do count adjustment when it's really
        needed.

2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (Spec Files): Move section down in file, past
        all command-line option descriptions.

2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        PR middle-end/54809
        * doc/gty.texi: Remove documentation of mark_hook.
        * gengtype.c (struct write_types_data): Remove code to support
        mark_hook attribute.
        (walk_type): Likewise.
        (write_func_for_structure): Likewise.

2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
        Directory Options, and -specs= to Overall Options.
        (Overall Options): Adjust similarly.  Reorder to group related
        options together.  Make -specs= cross-reference the spec file details.
        (Directory Options): Adjust similarly.

2016-01-12  Jeff Law  <law@redhat.com>

        * tree-ssa-threadupdate.c: Various whitespace and typo fixes.

2016-01-12  Olivier Hainque  <hainque@adacore.com>

        * gcc.c (spec_undefvar_allowed): New global.
        (process_command): Set to true when running for --version or --help,
        alone or together.
        (getenv_spec_function): When the variable is not defined, use the
        variable name as the variable value if we're allowed not to issue
        a fatal error.

2016-01-12  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/68911
        * tree-vrp.c (adjust_range_with_scev): Check overflow in range
        information computed for expression "init + nit * step".

2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
        about name of GCC executable.  Remove deleted node from menu.
        (Directory Options) <-B>: Remove cross-reference to deleted node.
        (Target Options): Delete section.

2016-01-12  Christian Bruel  <christian.bruel@st.com>

        PR target/69180
        * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
        for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.

2016-01-12  Jakub Jelinek  <jakub@redhat.com>

        PR target/69198
        * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
        aligned_mem is properly set for AVX512-VL floating point masked
        stores.

        PR target/69175
        * ifcvt.c (cond_exec_process_if_block): When removing the last
        insn from then_bb, remove also any possible barriers that follow it.

2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/68456
        PR target/69226
        * config/i386/iamcu.h (SIZE_TYPE): New macro.
        (PTRDIFF_TYPE): Likewise.
        (WCHAR_TYPE): Likewise.
        (WCHAR_TYPE_SIZE): Likewise.
        (STDINT_LONG32): Likewise.

2016-01-12  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69053
        * tree-vect-loop.c (get_initial_def_for_reduction): Properly
        convert initial value for cond reductions.

2016-01-12  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69007
        * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
        widen_sum after dot_prod and sad.

2016-01-12  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69168
        * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
        pattern stmt SLP type.
        * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
        end up unused so cope with that case.

2016-01-12  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69157
        * tree-vect-stmts.c (vectorizable_mask_load_store): Check
        stmts def type only during analyze phase.
        (vectorizable_call): Likewise.
        (vectorizable_simd_clone_call): Likewise.
        (vectorizable_conversion): Likewise.
        (vectorizable_assignment): Likewise.
        (vectorizable_shift): Likewise.
        (vectorizable_operation): Likewise.
        (vectorizable_store): Likewise.
        (vectorizable_load): Likewise.

2016-01-12  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69174
        * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
        space.
        (vectorizable_load): Properly compute the number of loads needed
        for permuted strided SLP loads and do not spuriously assign
        to SLP_TREE_VEC_STMTS.

2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>

        * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
        (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
        (MD_EXEC_PREFIX): Remove.
        (MD_STARTFILE_PREFIX) Removee.
        (FILE_NAME_ABSOLUTE_P): Remove.
        (CPP_SPEC): Do not read macros from sys/version.h.
        (LINK_COMMAND_SPEC): Remove.
        (LOCAL_INCLUDE_DIR): Remove.
        (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
        (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
        (POST_LINK_SPEC): Define to invoke stubify after linker
        (LIBSTDCXX): Remove define
        (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
        (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
        (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
        (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
        (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
        (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
        (i386_djgpp_asm_named_section): Add propotype of new procedure

        * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
        (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
        (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
        in config/i386/djgpp.h).
        (STANDARD_STARTFILE_PREFIX_2): Define identical to
        STANDARD_STARTFILE_PREFIX_1.
        (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
        (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
        installation errors.
        (MAX_OFILE_ALIGNMENT): Define to 128.
        (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.

        * config/i386/djgpp.c: New file. Add implementation of
        i386_djgpp_asm_named_section.

        * config/i386/djgpp.opt: Remove obsolete option -mbnu210.

        * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
        Add rule for building djgpp.o.

2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (v2df_reduction_p): New function.
        (rtx_is_swappable_p): Reductions are swappable.
        (insn_is_swappable_p): V2DF reductions are swappable.

2016-01-11  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
        reloads for other unsupported memory operands.

2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
            Jim Wilson  <jim.wilson@linaro.org>

        PR target/69194
        * config/arm/arm-builtins.c (arm_expand_neon_args): Call
        copy_to_mode_reg instead of force_reg.

2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/69225
        * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
        TARGET_80387 is true.

2016-01-11  Jakub Jelinek  <jakub@redhat.com>

        PR target/69071
        * lra-eliminations.c (move_plus_up): Only move plus up
        if subreg of the constant can be simplified into constant
        and use the simplified subreg of the constant instead of
        the original constant.

        * fold-const.c (fold_convertible_p): Don't return true
        for conversion of VECTOR_TYPE to same sized integral type.
        (fold_convert_loc): Fix up formatting.  Fold conversion of
        VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
        instead of NOP_EXPR.

        PR tree-optimization/69214
        * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
        innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
        Formatting fix.

        PR tree-optimization/69207
        * tree-vect-slp.c (vect_get_constant_vectors): For
        VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
        fold_convertible_p to vector_type's element type, and always
        use VCE for non-VECTOR_BOOLEAN_TYPE_P.

2016-01-11  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69173
        * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
        fixup the cycle if all stmts are in a pattern.

2016-01-11  Uros Bizjak  <ubizjak@gmail.com>

        PR middle-end/68999
        * alias.c (base_alias_check): Move check for addresses with
        alignment ANDs before the call for compare_base_decls.
        (memrefs_conflict_p): Return -1 for different decls
        that went through alignment adjustments.

2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR rtl-optimization/68796
        * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
        * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
        and QImode comparisons against zero with CC_NZmode.
        * config/aarch64/iterators.md (short_mask): New mode_attr.

2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
        (<avx512>_store<mode>_mask): Likewise.

2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
            Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR rtl-optimization/68841
        * ifcvt.c (struct noce_if_info): Add orig_x field.
        (bbs_ok_for_cmove_arith): Add to_rename parameter.
        Don't record conflicts on to_rename if it's present.
        Allow memory destinations in sets.
        (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
        blocks, passing orig_x to the checks.
        (noce_process_if_block): Set if_info->orig_x appropriately.

2016-01-11  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/69069
        * tree-parloops.c (create_parallel_loop): Add missing phi args.

2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>

        PR rtl-optimization/68920
        * config/i386/i386.c (ix86_option_override_internal): Restrict number
        of conditional moves for  RTL if-conversion to 1 for
        TARGET_ONE_IF_CONV_INSN.
        * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
        * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
        * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
        parameter to restirct number of conditional moves for
        RTL if-conversion.
        * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
        * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
        conditionl moves.

2016-01-11  Alexandre Oliva  <aoliva@redhat.com>

        PR bootstrap/69123
        * var-tracking.c (drop_overlapping_mem_locs): Operate on all
        onepart vars.  Fix typo in comment.  Fix reversed condition in
        unshare test.
        (dataflow_set_remove_mem_locs): Operate on all onepart vars.

        PR bootstrap/69123
        * var-tracking.c (dump_onepart_variable_differences): New.
        (dataflow_set_different): If a detailed dump is requested,
        delay early returns and dump differences between onepart
        variables present before and after, and added variables.

2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR target/69010
        * expr.c (expand_expr_real_1): For boolean vector constants
        with a scalar mode use const_scalar_mask_from_tree.
        (const_scalar_mask_from_tree): New.
        * optabs.c (expand_vec_cond_mask_expr): Use mask mode
        assigned to a mask type to handle constants.

2016-01-11  Martin Jambor  <mjambor@suse.cz>

        PR ipa/69044
        * ipa-cp.c (estimate_local_effects): Do not clone for removal of
        useless parameters if we cannot change function signature.

2016-01-11  Martin Jambor  <mjambor@suse.cz>

        PR ipa/66616
        * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
        flag.

2016-01-11  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/69109
        * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
        latch with phi.

2016-01-11  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/69108
        * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
        res is not used in a phi.

2016-01-11  Yury Gribov  <y.gribov@samsung.com>

        PR 67425
        * common.opt (frandom-seed): Fix parameter name.
        * doc/invoke.texi (frandom-seed): Ditto and describe parameter.

2016-01-11  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/69058
        * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
        not supported.

2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>

        * config/arc/arc.opt (mdiv-rem): Add period to the end.
        (mcode-density): Likewise.

2016-01-10  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/69062
        * tree-parloops.c (loop_has_phi_with_address_arg): New function.
        (parallelize_loops): Don't paralelize loop that has phi with address
        arg.

2016-01-10  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/69039
        * tree-parloops.c (try_create_reduction_list): Only allow single exit
        phi for reduction.

2016-01-09  John David Anglin  <danglin@gcc.gnu.org>

        PR middle-end/68743
        * match.pd: Require target has function_c99_misc before doing
        truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.

2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>

        * configure.ac (isl_options_set_schedule_serialize_sccs): Also
        use GMPINC.
        * configure: Regenerate.

2016-01-09  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/50865
        PR tree-optimization/69097
        * fold-const.h (expr_not_equal_to): New prototype.
        * fold-const.c: Include stringpool.h and tree-ssanames.h.
        (expr_not_equal_to): New function.
        * match.pd (X % -Y is the same as X % Y): Don't optimize
        unless X is known not to be equal to minimum or Y is known
        not to be equal to -1.
        * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
        fold TRUNC_MOD_EXPR if the second argument is not a power of two.
        (simplify_stmt_using_ranges): Adjust caller.
        (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
        substitute_and_fold.

2016-01-09  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
        w/o DECL_NAME.

2016-01-08  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/69167
        * gimple-fold.c (replace_stmt_with_simplification): Also punt if
        new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
        ops[0] comparison.
        * gimple-match-head.c (maybe_push_res_to_seq): Likewise.

2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
            Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68707
        * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
        instances that can be handled via vect_load_lanes.

2016-01-08  Uros Bizjak  <ubizjak@gmail.com>

        * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
        if we can't determine address equivalence.
        * alias.c (compare_base_decl): Update for changed return value of
        symtab_node::equal_address_to.

2016-01-08  Jason Merrill  <jason@redhat.com>

        PR c++/68983
        PR c++/67557
        * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
        * expr.c (store_field): Not here.
        * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
        call with TREE_ADDRESSABLE type.
        * tree-cfg.c (verify_gimple_call): Adjust.

2016-01-08  Olivier Hainque  <hainque@adacore.com>

        * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
        libc_internal.

2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>

        * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
        (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
        (reduc_smin_v2sf): Rename to...
        (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
        (reduc_splus_v2sf): Rename to...
        (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.

2016-01-08  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/69162
        * gimplify.c (gimplify_va_arg_expr): Encode original type of
        valist argument in another argument.
        (gimplify_modify_expr): Adjust for the above change.  Cleanup.
        * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
        to determine the va_list type, build a MEM_REF instead of
        build_fold_indirect_ref.

        PR tree-optimization/69172
        * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
        gimple_build.

2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        PR tree-optimization/67781
        * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
        and cmpnop in two steps: first the ones not accessed in original
        gimple expression in a endian independent way and then the ones not
        accessed in the final result in an endian-specific way.

2016-01-08  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/69083
        * tree-vect-slp.c (vect_get_constant_vectors): For
        VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
        element type.  If op is fold_convertible_p to vector_type's element
        type, use NOP_EXPR instead of VCE.

2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/67778
        PR rtl-optimization/68634
        PR rtl-optimization/68909
        * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
        block from the stack until done with it.  Remove a superfluous
        bitmap set.  Remove a superfluous bitmap test.

2016-01-07  Martin Sebor  <msebor@redhat.com>

        PR c/68966
        * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
        constraint on the type of arguments.

2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>

        * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
        SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
        unaligned_access on the gcc_options set.
        * config/arm/arm.c (arm_option_override_internal): Use
        SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.

2016-01-07  Uros Bizjak  <ubizjak@gmail.com>

        PR target/69140
        * config/i386/i386.c (ix86_frame_pointer_required): Enable
        frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.

2016-01-07  Uros Bizjak  <ubizjak@gmail.com>

        Revert
        2016-01-06  Uros Bizjak  <ubizjak@gmail.com>

        PR target/69140
        * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
        depending on frame_pointer_needed before remaining integer and SSE
        registers are saved.

2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>

        PR 1078
        * doc/extend.texi (Nvidia PDX Function Attributes): New section.

2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/69171
        * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
        Use the "xBm" constraint.
        (float<sseintvecmodelower><mode>2<mask_name><round_name):
        Likewise.
        (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
        (sse_cvtsi2ssq<round_name>): Likewise.
        (sse_cvtss2si<round_name>): Likewise.
        (sse_cvtss2siq<round_name>): Likewise.
        (sse2_cvtsi2sdq<round_name>): Likewise.
        (sse2_cvtsd2si<round_name>): Likewise.
        (sse2_cvtsd2siq<round_name>): Likewise.
        * config/i386/subst.md (round_nimm_scalar_predicate): New
        predicate.

2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>

        PR middle-end/67639
        * varasm.c (make_decl_rtl): Mark invalid register vars as
        DECL_EXTERNAL.

        PR rtl-optimization/66206
        * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
        All callers changed.

2016-01-07  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/69141
        * tree-ssa-pre.c: Include langhooks.h.
        (eliminate_dom_walker::before_dom_children): Use
        lang_hooks.decl_printable_name instead of
        cgraph_node::get ()->name ().

        PR middle-end/68960
        * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
        it and DECL_ALIGN too.

2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>

        * config/mips/mips-ftypes.def: Sort to lexicographical order.

2016-01-06  Uros Bizjak  <ubizjak@gmail.com>

        PR target/69140
        * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
        depending on frame_pointer_needed before remaining integer and SSE
        registers are saved.

2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
        mode iterator with VSX_M2.
        (*p9_vecstore_<mode>): Likewise.
        (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
        (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
        (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
        (define_split for VSX_LE128 stores): Likewise.
        (define_peephole2 for TImode LE swaps): Likewise.
        (define_split for VSX_LE128 post-reload stores): Likewise.

2016-01-06  Marek Polacek  <polacek@redhat.com>

        PR sanitizer/69099
        * convert.c (convert_to_integer_1): Adjust call to
        ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
        * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
        EXPR instead of ARG.
        * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.

2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>

        PR 1078
        * doc/extend.texi (RL78 Variable Attributes): New section.

2016-01-05  Marek Polacek  <polacek@redhat.com>

        PR c/69104
        * builtins.c (get_memmodel): Use expansion point location rather than
        the input location.  Call warning_at rather than warning.
        (expand_builtin_atomic_compare_exchange): Likewise.
        (expand_builtin_atomic_load): Likewise.
        (expand_builtin_atomic_store): Likewise.
        (expand_builtin_atomic_clear): Likewise.

2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/68991
        * config/i386/i386.c (ix86_expand_vector_logical_operator):
        Replace nonimmediate_operand with vector_operand.
        * config/i386/predicates.md (vector_operand): New predicate.
        (general_vector_operand): Replace nonimmediate_operand with
        vector_operand.
        * config/i386/sse.md: Replace nonimmediate_operand with
        vector_operand and m constraint with Bm constraint on SSE
        patterns with 16-byte memory operand.
        * config/i386/subst.md (round_nimm_predicate): Replace
        nonimmediate_operand with vector_operand.
        (round_saeonly_nimm_predicate): Likewise.
        (round_saeonly_nimm_scalar_predicate): New.

2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/68991
        * config/i386/constraints.md (Bm): New constraint.
        * config/i386/predicates.md (vector_memory_operand): New
        predicate.
        * config/i386/sse.md: Replace xm with xBm in plusminus and
        any_logic patterns.

2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>

        PR 1078
        * doc/extend.texi (V850 Function Attributes): New section.
        (V850 Variable Attributes): New section.

2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>

        PR 1078
        * doc/extend.texi (MicroBlaze Function Attributes): Document
        interrupt_handler and fast_interrupt attributes.

2016-01-05  Sergei Trofimovich  <siarheit@google.com>

        PR other/60465
        * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
        for local symbolic operands.
        * config/ia64/predicates.md (local_symbolic_operand64): New
        predicate.

2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR rtl-optimization/68651
        * combine.c (combine_simplify_rtx): Canonicalize x + x into
        x << 1.

2016-01-05  Nathan Sidwell  <nathan@acm.org>

        * alias.c (compare_base_decls): Use symtab_node::get.

2016-01-05  Nick Clifton  <nickc@redhat.com>

        PR target/68770
        * ira-costs.c (copy_cost): Initialise the t_icode field of the
        secondary_reload_info structure.

        PR target/66655
        * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
        decls if weak support is available.

2016-01-04  Martin Sebor  <msebor@redhat.com>

        * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.

2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
        OPTION_MASK_P9_DFORM.

        * config/rs6000/constraints.md (wo constraint): New constraint for
        ISA 3.0 (power9).

        * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
        for wo constraint.
        (rs6000_init_hard_regno_mode_ok): Likewise.

        * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
        wo constraint.

        * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
        expanders not to have constraints.  Add support for ISA 3.0 xxperm
        instruction.  Add support for fusing xxlor with xxperm.
        (altivec_vperm_<mode>_internal): Likewise.
        (altivec_vperm_v8hiv16qi): Likewise.
        (altivec_vperm_<mode>v16q): Likewise.
        (altivec_vperm_<mode>_uns): Likewise.
        (vperm_v8hiv4si): Likewise.
        (vperm_v16qiv8hi): Likewise.

        * doc/md.texi (RS/6000 constraints): Document wo constraint.

2016-01-04  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.

2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>

        * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
        modes larger than TImode as TImode if NEON is not enabled.

2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/69100
        * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
        mode for %f0-%f31 only if TARGET_FPU.

2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/69072
        * config/sparc/sparc.c (scan_record_type): Take into account subfields
        to compute the PACKED_P predicate.
        (function_arg_record_value): Minor tweaks.

2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * doc/install.texi (--with-multilib-list): Describe the meaning of the
        option for arm*-*-* targets.

2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/extend.texi (Common Function Attributes): Move docs for
        MSP430-specific attributes to....
        (MSP430 Function Attributes): ...here.  Delete the redundant
        entries and copy-edit the remaining text.
        (MSP430 Variable Attributes): Use uniform format for index
        entries and add a cross-reference to the corresponding function
        attribute docs.

2016-01-03  Vladimír Čunát  <vcunat@gmail.com>

        * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
        -finite-math typo.
        (x86 Options): Likewise.

2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>

        PR 1078

        * extend.texi (Common Function Attributes) <no_stack_limit>: New.
        * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
        to corresponding attribute.

2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/extend.texi (Common Function Attributes) <noplt>: Move
        to correct alphabetization of table.  Copy-edit and correct
        markup.
        <stack_protect>: Likewise.
        <target_clones>: Likewise.
        <simd>: Likewise.
        * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
        Correct punctuation.
        (Code Gen Options) <-fno-plt>: Copy-edit.

2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR target/68917
        * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
        SI values.  Explicitly convert SI to DI and vice-versa.

2016-01-01  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/69070
        * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
        REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.

        PR sanitizer/69055
        * ubsan.c (ubsan_instrument_float_cast): Call
        initialize_sanitizer_builtins.

        PR target/69015
        * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
\f
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