+2020-02-25 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/93868
+ * tree-vect-slp.c (slp_copy_subtree): New function.
+ (vect_attempt_slp_rearrange_stmts): Copy the SLP tree before
+ re-arranging stmts in it.
+
+2020-02-25 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/93874
+ * passes.c (pass_manager::dump_passes): Create a cgraph node for the
+ dummy function and remove it at the end.
+
+ PR translation/93864
+ * config/lm32/lm32.c (lm32_setup_incoming_varargs): Fix comment typo
+ paramter -> parameter.
+ * config/aarch64/aarch64.c (aarch64_is_extend_from_extract): Likewise.
+ * ipa-prop.h (struct ipa_agg_replacement_value): Likewise.
+
+2020-02-24 Roman Zhuykov <zhroma@ispras.ru>
+
+ * doc/install.texi (--enable-checking): Properly document current
+ behavior.
+ (--enable-stage1-checking): Minor clarification about bootstrap.
+
+2020-02-24 David Malcolm <dmalcolm@redhat.com>
+
+ PR analyzer/93032
+ * doc/invoke.texi (-Wnanalyzer-tainted-array-index): Note that
+ -fanalyzer-checker=taint is also required.
+ (-fanalyzer-checker=): Note that providing this option enables the
+ given checker, and doing so may be required for checkers that are
+ disabled by default.
+
+2020-02-24 David Malcolm <dmalcolm@redhat.com>
+
+ * doc/invoke.texi (-fanalyzer-verbosity=): "2" only shows
+ significant control flow events; add a "3" which shows all
+ control flow events; the old "3" becomes "4".
+
+2020-02-24 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/93582
+ * tree-ssa-sccvn.c (vn_walk_cb_data::push_partial_def): Consider
+ pd.offset and pd.size to be counted in bits rather than bytes, add
+ support for maxsizei that is not a multiple of BITS_PER_UNIT and
+ handle bitfield stores and loads.
+ (vn_reference_lookup_3): Don't call ranges_known_overlap_p with
+ uncomparable quantities - bytes vs. bits. Allow push_partial_def
+ on offsets/sizes that aren't multiple of BITS_PER_UNIT and adjust
+ pd.offset/pd.size to be counted in bits rather than bytes.
+ Formatting fix. Rename shadowed len variable to buflen.
+
+2020-02-24 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
+ Kugan Vivekandarajah <kugan.vivekanandarajah@linaro.org>
+
+ PR driver/47785
+ * gcc.c (putenv_COLLECT_AS_OPTIONS): New function.
+ (driver::main): Call putenv_COLLECT_AS_OPTIONS.
+ * opts-common.c (parse_options_from_collect_gcc_options): New function.
+ (prepend_xassembler_to_collect_as_options): Likewise.
+ * opts.h (parse_options_from_collect_gcc_options): Declare prototype.
+ (prepend_xassembler_to_collect_as_options): Likewise.
+ * lto-opts.c (lto_write_options): Stream assembler options
+ in COLLECT_AS_OPTIONS.
+ * lto-wrapper.c (xassembler_options_error): New static variable.
+ (get_options_from_collect_gcc_options): Move parsing options code to
+ parse_options_from_collect_gcc_options and call it.
+ (merge_and_complain): Validate -Xassembler options.
+ (append_compiler_options): Handle OPT_Xassembler.
+ (run_gcc): Append command line -Xassembler options to
+ collect_gcc_options.
+ * doc/invoke.texi: Add documentation about using Xassembler
+ options with LTO.
+
+2020-02-24 Kito Cheng <kito.cheng@sifive.com>
+
+ * config/riscv/riscv.c (riscv_emit_float_compare): Change the code gen
+ for LTGT.
+ (riscv_rtx_costs): Update cost model for LTGT.
+
+2020-02-23 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/93564
+ * ira-color.c (struct update_cost_queue_elem): New member start.
+ (queue_update_cost, get_next_update_cost): Add new arg start.
+ (allocnos_conflict_p): New function.
+ (update_costs_from_allocno): Add new arg conflict_cost_update_p.
+ Add checking conflicts with allocnos_conflict_p.
+ (update_costs_from_prefs, restore_costs_from_copies): Adjust
+ update_costs_from_allocno calls.
+ (update_conflict_hard_regno_costs): Add checking conflicts with
+ allocnos_conflict_p. Adjust calls of queue_update_cost and
+ get_next_update_cost.
+ (assign_hard_reg): Adjust calls of queue_update_cost. Add
+ debugging print.
+ (bucket_allocno_compare_func): Restore previous version.
+
+2020-02-21 John David Anglin <danglin@gcc.gnu.org>
+
+ * gcc/config/pa/pa.c (pa_function_value): Fix check for word and
+ double-word size when handling aggregate return values.
+ * gcc/config/pa/som.h (ASM_DECLARE_FUNCTION_NAME): Fix to indicate
+ that homogeneous SFmode and DFmode aggregates are passed and returned
+ in general registers.
+
+2020-02-21 Jakub Jelinek <jakub@redhat.com>
+
+ PR translation/93759
+ * opts.c (print_filtered_help): Translate help before appending
+ messages to it rather than after that.
+
+2020-02-19 Richard Sandiford <richard.sandiford@arm.com>
+
+ PR rtl-optimization/PR92989
+ * lra-lives.c (process_bb_lives): Restore the original order
+ of the bb liveness update. Call make_hard_regno_dead for each
+ register clobbered at the start of an EH receiver.
+
+2020-02-18 Feng Xue <fxue@os.amperecomputing.com>
+
+ PR ipa/93763
+ * ipa-cp.c (self_recursively_generated_p): Mark self-dependent value as
+ self-recursively generated.
+
+2020-02-21 Iain Sandoe <iain@sandoe.co.uk>
+
+ PR target/93860
+ * config/darwin-c.c (pop_field_alignment): Adjust quoting of
+ error string.
+
+2020-02-21 Mihail Ionescu <mihail.ionescu@arm.com>
+
+ * doc/sourcebuild.texi (arm_v8_1m_mve_ok):
+ Document new target supports option.
+
+2020-02-21 Dennis Zhang <dennis.zhang@arm.com>
+
+ * config/arm/arm_neon.h (vmmlaq_s32, vmmlaq_u32, vusmmlaq_s32): New.
+ * config/arm/arm_neon_builtins.def (smmla, ummla, usmmla): New.
+ * config/arm/iterators.md (MATMUL): New iterator.
+ (sup): Add UNSPEC_MATMUL_S, UNSPEC_MATMUL_U, and UNSPEC_MATMUL_US.
+ (mmla_sfx): New attribute.
+ * config/arm/neon.md (neon_<sup>mmlav16qi): New.
+ * config/arm/unspecs.md (UNSPEC_MATMUL_S, UNSPEC_MATMUL_U): New.
+ (UNSPEC_MATMUL_US): New.
+
+2020-02-21 Mihail-Calin Ionescu <mihail.ionescu@arm.com>
+
+ * config/arm/arm.md: Prevent scalar shifts from being used when big
+ endian is enabled.
+
+2020-02-21 Jan Hubicka <hubicka@ucw.cz>
+ Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/93586
+ * tree-ssa-alias.c (nonoverlapping_array_refs_p): Finish array walk
+ after mismatched array refs; do not sure type size information to
+ recover from unmatched referneces with !flag_strict_aliasing_p.
+
+2020-02-21 Andrew Stubbs <ams@codesourcery.com>
+
+ * config/gcn/gcn-valu.md (gather_load<mode>): Rename to ...
+ (gather_load<mode>v64si): ... this and set operand 2 to V64SI.
+ (scatter_store<mode>): Rename to ...
+ (scatter_store<mode>v64si): ... this and set operand 1 to V64SI.
+ (scatter<mode>_exec): Delete. Move contents ...
+ (mask_scatter_store<mode>): ... here, and rename that to ...
+ (mask_gather_load<mode>v64si): ... this. Set operand 2 to V64SI.
+ Remove mode conversion.
+ (mask_gather_load<mode>): Rename to ...
+ (mask_scatter_store<mode>v64si): ... this. Set operand 1 to V64SI.
+ Remove mode conversion.
+ * config/gcn/gcn.c (gcn_expand_scaled_offsets): Remove mode conversion.
+
+2020-02-21 Martin Jambor <mjambor@suse.cz>
+
+ PR tree-optimization/93845
+ * tree-sra.c (verify_sra_access_forest): Only test access size of
+ scalar types.
+
+2020-02-21 Andrew Stubbs <ams@codesourcery.com>
+
+ * config/gcn/gcn.c (gcn_hard_regno_mode_ok): Align VGPR pairs.
+ * config/gcn/gcn-valu.md (addv64di3): Remove early-clobber.
+ (addv64di3_exec): Likewise.
+ (subv64di3): Likewise.
+ (subv64di3_exec): Likewise.
+ (addv64di3_zext): Likewise.
+ (addv64di3_zext_exec): Likewise.
+ (addv64di3_zext_dup): Likewise.
+ (addv64di3_zext_dup_exec): Likewise.
+ (addv64di3_zext_dup2): Likewise.
+ (addv64di3_zext_dup2_exec): Likewise.
+ (addv64di3_sext_dup2): Likewise.
+ (addv64di3_sext_dup2_exec): Likewise.
+ (<expander>v64di3): Likewise.
+ (<expander>v64di3_exec): Likewise.
+ (*<reduc_op>_dpp_shr_v64di): Likewise.
+ (*plus_carry_dpp_shr_v64di): Likewise.
+ * config/gcn/gcn.md (adddi3): Likewise.
+ (addptrdi3): Likewise.
+ (<expander>di3): Likewise.
+
+2020-02-21 Andrew Stubbs <ams@codesourcery.com>
+
+ * config/gcn/gcn-valu.md (vec_seriesv64di): Use gen_vec_duplicatev64di.
+
+2020-02-21 Richard Sandiford <richard.sandiford@arm.com>
+
+ * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Add SVE
+ support. Use aarch64_emit_mult instead of emitting multiplication
+ instructions directly.
+ * config/aarch64/aarch64-sve.md (sqrt<mode>2, rsqrt<mode>2)
+ (@aarch64_rsqrte<mode>, @aarch64_rsqrts<mode>): New expanders.
+
+2020-02-21 Richard Sandiford <richard.sandiford@arm.com>
+
+ * config/aarch64/aarch64.c (aarch64_emit_mult): New function.
+ (aarch64_emit_approx_div): Add SVE support. Use aarch64_emit_mult
+ instead of emitting multiplication instructions directly.
+ * config/aarch64/iterators.md (SVE_COND_FP_BINARY_OPTAB): New iterator.
+ * config/aarch64/aarch64-sve.md (div<mode>3, @aarch64_frecpe<mode>)
+ (@aarch64_frecps<mode>): New expanders.
+
+2020-02-21 Richard Sandiford <richard.sandiford@arm.com>
+
+ * config/aarch64/aarch64-protos.h (AARCH64_APPROX_MODE): Operate
+ on and produce uint64_ts rather than ints.
+ (AARCH64_APPROX_NONE, AARCH64_APPROX_ALL): Change to uint64_ts.
+ (cpu_approx_modes): Change the fields from unsigned int to uint64_t.
+
+2020-02-21 Richard Sandiford <richard.sandiford@arm.com>
+
+ * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Don't create
+ an unused xmsk register when handling approximate rsqrt.
+
+2020-02-21 Richard Sandiford <richard.sandiford@arm.com>
+
+ * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Fix inverted
+ flag_finite_math_only condition.
+
+2020-02-20 Uroš Bizjak <ubizjak@gmail.com>
+
+ PR target/93828
+ * config/i386/mmx.md (*vec_extractv2sf_1): Match source operand
+ to destination operand for shufps alternative.
+ (*vec_extractv2si_1): Ditto.
+
+2020-02-20 Peter Bergner <bergner@linux.ibm.com>
+
+ PR target/93658
+ * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Handle VSX
+ vector modes.
+
+2020-02-20 Martin Liska <mliska@suse.cz>
+
+ PR translation/93831
+ * config/darwin.c (darwin_override_options): Change 64b to 64-bit mode.
+
+2020-02-20 Martin Liska <mliska@suse.cz>
+
+ PR translation/93830
+ * common/config/avr/avr-common.c: Remote trailing "|".
+
+2020-02-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
+
+ * collect2.c (maybe_run_lto_and_relink): Fix typo in
+ comment.
+
+2020-02-19 Richard Sandiford <richard.sandiford@arm.com>
+
+ PR tree-optimization/93767
+ * tree-vect-data-refs.c (vect_compile_time_alias): Remove the
+ access-size bias from the offset calculations for negative strides.
+
+2020-02-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
+
+ * collect2.c (c_file, o_file): Make const again.
+ (ldout,lderrout, dump_ld_file): Remove.
+ (tool_cleanup): Avoid calling not signal-safe functions.
+ (maybe_run_lto_and_relink): Avoid possible signal handler
+ access to unintialzed memory (lto_o_files).
+ (main): Avoid leaking temp files in $TMPDIR.
+ Initialize c_file/o_file with concat, which avoids exposing
+ uninitialized memory to signal handler, which calls unlink(!).
+ Avoid calling maybe_unlink when the main function returns,
+ since the atexit handler is already doing this.
+ * collect2.h (dump_ld_file, ldout, lderrout): Remove.
+
+2020-02-19 Martin Jambor <mjambor@suse.cz>
+
+ PR tree-optimization/93776
+ * tree-sra.c (create_access): Do not create zero size accesses.
+ (get_access_for_expr): Do not search for zero sized accesses.
+
+2020-02-19 Martin Jambor <mjambor@suse.cz>
+
+ PR tree-optimization/93667
+ * tree-sra.c (scalarizable_type_p): Return false if record fields
+ do not follow wach other.
+
+2020-01-21 Kito Cheng <kito.cheng@sifive.com>
+
+ * config/riscv/riscv.c (riscv_output_move) Using fmv.x.w/fmv.w.x
+ rather than fmv.x.s/fmv.s.x.
+
+2020-02-18 James Greenhalgh <james.greenhalgh@arm.com>
+
+ * config/aarch64/aarch64-simd-builtins.def
+ (intrinsic_vec_smult_lo_): New.
+ (intrinsic_vec_umult_lo_): Likewise.
+ (vec_widen_smult_hi_): Likewise.
+ (vec_widen_umult_hi_): Likewise.
+ * config/aarch64/aarch64-simd.md
+ (aarch64_intrinsic_vec_<su>mult_lo_<mode>): New.
+ * config/aarch64/arm_neon.h (vmull_high_s8): Use intrinsics.
+ (vmull_high_s16): Likewise.
+ (vmull_high_s32): Likewise.
+ (vmull_high_u8): Likewise.
+ (vmull_high_u16): Likewise.
+ (vmull_high_u32): Likewise.
+ (vmull_s8): Likewise.
+ (vmull_s16): Likewise.
+ (vmull_s32): Likewise.
+ (vmull_u8): Likewise.
+ (vmull_u16): Likewise.
+ (vmull_u32): Likewise.
+
+2020-02-18 Martin Liska <mliska@suse.cz>
+
+ * value-prof.c (stream_out_histogram_value): Restore LTO PGO
+ bootstrap by missing removal of invalid sanity check.
+
+2020-02-18 Martin Liska <mliska@suse.cz>
+
+ PR ipa/92518
+ * ipa-icf-gimple.c (func_checker::compare_gimple_assign):
+ Always compare LHS of gimple_assign.
+
+2020-02-18 Martin Liska <mliska@suse.cz>
+
+ PR ipa/93583
+ * cgraph.c (cgraph_node::verify_node): Verify MALLOC attribute
+ and return type of functions.
+ * ipa-param-manipulation.c (ipa_param_adjustments::adjust_decl):
+ Drop MALLOC attribute for void functions.
+ * ipa-pure-const.c (funct_state_summary_t::duplicate): Drop
+ malloc_state for a new VOID clone.
+
+2020-02-18 Martin Liska <mliska@suse.cz>
+
+ PR ipa/92924
+ * common.opt: Add -fprofile-reproducibility.
+ * doc/invoke.texi: Document it.
+ * value-prof.c (dump_histogram_value):
+ Document and support behavior for counters[0]
+ being a negative value.
+ (get_nth_most_common_value): Handle negative
+ counters[0] in respect to flag_profile_reproducible.
+
+2020-02-18 Jakub Jelinek <jakub@redhat.com>
+
+ PR ipa/93797
+ * cgraph.c (verify_speculative_call): Use speculative_id instead of
+ speculative_uid in messages. Remove trailing whitespace from error
+ message. Use num_speculative_call_targets instead of
+ num_speculative_targets in a message.
+ (cgraph_node::verify_node): Use call_stmt instead of cal_stmt in
+ edge messages and stmt instead of cal_stmt in reference message.
+
+ PR tree-optimization/93780
+ * tree-ssa.c (non_rewritable_lvalue_p): Check valid_vector_subparts_p
+ before calling build_vector_type.
+ (execute_update_addresses_taken): Likewise.
+
+ PR driver/93796
+ * params.opt (-param=ipa-max-switch-predicate-bounds=): Fix help
+ typo, functoin -> function.
+ * tree.c (free_lang_data_in_decl): Fix comment typo,
+ functoin -> function.
+ * ipa-visibility.c (cgraph_externally_visible_p): Likewise.
+
+2020-02-17 David Malcolm <dmalcolm@redhat.com>
+
+ * diagnostic.c (print_any_cwe): Don't call get_cwe_url if URLs
+ won't be printed.
+ (print_option_information): Don't call get_option_url if URLs
+ won't be printed.
+
+2020-02-17 Alexandre Oliva <oliva@adacore.com>
+
+ * tree-emutls.c (new_emutls_decl, emutls_common_1): Complete
+ handling of register_common-less targets.
+
+2020-02-17 Martin Liska <mliska@suse.cz>
+
+ PR ipa/93760
+ * ipa-devirt.c (odr_types_equivalent_p): Fix grammar.
+
+2020-02-17 Martin Liska <mliska@suse.cz>
+
+ PR translation/93755
+ * config/rs6000/rs6000.c (rs6000_option_override_internal):
+ Fix double quotes.
+
+2020-02-17 Martin Liska <mliska@suse.cz>
+
+ PR other/93756
+ * config/rx/elf.opt: Fix typo.
+
+2020-02-17 Richard Biener <rguenther@suse.de>
+
+ PR c/86134
+ * opts-global.c (print_ignored_options): Use inform and
+ amend message.
+
+2020-02-17 Jiufu Guo <guojiufu@linux.ibm.com>
+
+ PR target/93047
+ * config/rs6000/rs6000.md (untyped_call): Add emit_clobber.
+
+2020-02-16 Uroš Bizjak <ubizjak@gmail.com>
+
+ PR target/93743
+ * config/i386/i386.md (atan2xf3): Swap operands 1 and 2.
+ (atan2<mode>3): Update operand order in the call to gen_atan2xf3.
+
+2020-02-15 Jason Merrill <jason@redhat.com>
+
+ * doc/invoke.texi (C Dialect Options): Add -std=c++20.
+
+2020-02-15 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/93744
+ * match.pd (((m1 >/</>=/<= m2) * d -> (m1 >/</>=/<= m2) ? d : 0,
+ A - ((A - B) & -(C cmp D)) -> (C cmp D) ? B : A,
+ A + ((B - A) & -(C cmp D)) -> (C cmp D) ? B : A): For GENERIC, make
+ sure @2 in the first and @1 in the other patterns has no side-effects.
+
+2020-02-15 David Malcolm <dmalcolm@redhat.com>
+ Bernd Edlinger <bernd.edlinger@hotmail.de>
+
+ PR 87488
+ PR other/93168
+ * config.in (DIAGNOSTICS_URLS_DEFAULT): New define.
+ * configure.ac (--with-diagnostics-urls): New configuration
+ option, based on --with-diagnostics-color.
+ (DIAGNOSTICS_URLS_DEFAULT): New define.
+ * config.h: Regenerate.
+ * configure: Regenerate.
+ * diagnostic.c (diagnostic_urls_init): Handle -1 for
+ DIAGNOSTICS_URLS_DEFAULT from configure-time
+ --with-diagnostics-urls=auto-if-env by querying for a GCC_URLS
+ and TERM_URLS environment variable.
+ * diagnostic-url.h (diagnostic_url_format): New enum type.
+ (diagnostic_urls_enabled_p): rename to...
+ (determine_url_format): ... this, and change return type.
+ * diagnostic-color.c (parse_env_vars_for_urls): New helper function.
+ (auto_enable_urls): Disable URLs on xfce4-terminal, gnome-terminal,
+ the linux console, and mingw.
+ (diagnostic_urls_enabled_p): rename to...
+ (determine_url_format): ... this, and adjust.
+ * pretty-print.h (pretty_printer::show_urls): rename to...
+ (pretty_printer::url_format): ... this, and change to enum.
+ * pretty-print.c (pretty_printer::pretty_printer,
+ pp_begin_url, pp_end_url, test_urls): Adjust.
+ * doc/install.texi (--with-diagnostics-urls): Document the new
+ configuration option.
+ (--with-diagnostics-color): Document the existing interaction
+ with GCC_COLORS better.
+ * doc/invoke.texi (-fdiagnostics-urls): Add GCC_URLS and TERM_URLS
+ vindex reference. Update description of defaults based on the above.
+ (-fdiagnostics-color): Update description of how -fdiagnostics-color
+ interacts with GCC_COLORS.
+
2020-02-14 Eric Botcazou <ebotcazou@adacore.com>
PR target/93704
git://gcc.gnu.org / gcc.git / blobdiff