+2020-11-02 Martin Sebor <msebor@redhat.com>
+
+ * doc/invoke.texi (-Wstringop-overflow): Correct default setting.
+ (-Wstringop-overread): Move past -Wstringop-overflow.
+
+2020-11-02 François-Xavier Coudert <fxcoudert@gcc.gnu.org>
+
+ PR bootstrap/57076
+ * Makefile.in (gcc-vers.texi): Quote @, { and }.
+
+2020-11-02 Carl Love <cel@us.ibm.com>
+
+ PR target/93449
+ * config/rs6000/altivec.h (__builtin_bcdadd, __builtin_bcdadd_lt,
+ __builtin_bcdadd_eq, __builtin_bcdadd_gt, __builtin_bcdadd_ofl,
+ __builtin_bcdadd_ov, __builtin_bcdsub, __builtin_bcdsub_lt,
+ __builtin_bcdsub_eq, __builtin_bcdsub_gt, __builtin_bcdsub_ofl,
+ __builtin_bcdsub_ov, __builtin_bcdinvalid, __builtin_bcdmul10,
+ __builtin_bcddiv10, __builtin_bcd2dfp, __builtin_bcdcmpeq,
+ __builtin_bcdcmpgt, __builtin_bcdcmplt, __builtin_bcdcmpge,
+ __builtin_bcdcmple): Add defines.
+ * config/rs6000/altivec.md: Add UNSPEC_BCDSHIFT.
+ (BCD_TEST): Add le, ge to code iterator.
+ Add VBCD mode iterator.
+ (bcd<bcd_add_sub>_test, *bcd<bcd_add_sub>_test2,
+ bcd<bcd_add_sub>_<code>, bcd<bcd_add_sub>_<code>): Add mode to name.
+ Change iterator from V1TI to VBCD.
+ (*bcdinvalid_<mode>, bcdshift_v16qi): New define_insn.
+ (bcdinvalid_<mode>, bcdmul10_v16qi, bcddiv10_v16qi): New define.
+ * config/rs6000/dfp.md (dfp_denbcd_v16qi_inst): New define_insn.
+ (dfp_denbcd_v16qi): New define_expand.
+ * config/rs6000/rs6000-builtin.def (BU_P8V_MISC_1): New define.
+ (BCDADD): Replaced with BCDADD_V1TI and BCDADD_V16QI.
+ (BCDADD_LT): Replaced with BCDADD_LT_V1TI and BCDADD_LT_V16QI.
+ (BCDADD_EQ): Replaced with BCDADD_EQ_V1TI and BCDADD_EQ_V16QI.
+ (BCDADD_GT): Replaced with BCDADD_GT_V1TI and BCDADD_GT_V16QI.
+ (BCDADD_OV): Replaced with BCDADD_OV_V1TI and BCDADD_OV_V16QI.
+ (BCDSUB_V1TI, BCDSUB_V16QI, BCDSUB_LT_V1TI, BCDSUB_LT_V16QI,
+ BCDSUB_LE_V1TI, BCDSUB_LE_V16QI, BCDSUB_EQ_V1TI, BCDSUB_EQ_V16QI,
+ BCDSUB_GT_V1TI, BCDSUB_GT_V16QI, BCDSUB_GE_V1TI, BCDSUB_GE_V16QI,
+ BCDSUB_OV_V1TI, BCDSUB_OV_V16QI, BCDINVALID_V1TI, BCDINVALID_V16QI,
+ BCDMUL10_V16QI, BCDDIV10_V16QI, DENBCD_V16QI): New builtin definitions.
+ (BCDADD, BCDADD_LT, BCDADD_EQ, BCDADD_GT, BCDADD_OV, BCDSUB, BCDSUB_LT,
+ BCDSUB_LE, BCDSUB_EQ, BCDSUB_GT, BCDSUB_GE, BCDSUB_OV, BCDINVALID,
+ BCDMUL10, BCDDIV10, DENBCD): New overload definitions.
+ * config/rs6000/rs6000-call.c (P8V_BUILTIN_VEC_BCDADD, P8V_BUILTIN_VEC_BCDADD_LT,
+ P8V_BUILTIN_VEC_BCDADD_EQ, P8V_BUILTIN_VEC_BCDADD_GT, P8V_BUILTIN_VEC_BCDADD_OV,
+ P8V_BUILTIN_VEC_BCDINVALID, P9V_BUILTIN_VEC_BCDMUL10, P8V_BUILTIN_VEC_DENBCD.
+ P8V_BUILTIN_VEC_BCDSUB, P8V_BUILTIN_VEC_BCDSUB_LT, P8V_BUILTIN_VEC_BCDSUB_LE,
+ P8V_BUILTIN_VEC_BCDSUB_EQ, P8V_BUILTIN_VEC_BCDSUB_GT, P8V_BUILTIN_VEC_BCDSUB_GE,
+ P8V_BUILTIN_VEC_BCDSUB_OV): New overloaded specifications.
+ (CODE_FOR_bcdadd): Replaced with CODE_FOR_bcdadd_v16qi and CODE_FOR_bcdadd_v1ti.
+ (CODE_FOR_bcdadd_lt): Replaced with CODE_FOR_bcdadd_lt_v16qi and CODE_FOR_bcdadd_lt_v1ti.
+ (CODE_FOR_bcdadd_eq): Replaced with CODE_FOR_bcdadd_eq_v16qi and CODE_FOR_bcdadd_eq_v1ti.
+ (CODE_FOR_bcdadd_gt): Replaced with CODE_FOR_bcdadd_gt_v16qi and CODE_FOR_bcdadd_gt_v1ti.
+ (CODE_FOR_bcdsub): Replaced with CODE_FOR_bcdsub_v16qi and CODE_FOR_bcdsub_v1ti.
+ (CODE_FOR_bcdsub_lt): Replaced with CODE_FOR_bcdsub_lt_v16qi and CODE_FOR_bcdsub_lt_v1ti.
+ (CODE_FOR_bcdsub_eq): Replaced with CODE_FOR_bcdsub_eq_v16qi and CODE_FOR_bcdsub_eq_v1ti.
+ (CODE_FOR_bcdsub_gt): Replaced with CODE_FOR_bcdsub_gt_v16qi and CODE_FOR_bcdsub_gt_v1ti.
+ (rs6000_expand_ternop_builtin): Add CODE_FOR_dfp_denbcd_v16qi to else if.
+ * doc/extend.texi: Add documentation for new builtins.
+
+2020-11-02 Nathan Sidwell <nathan@acm.org>
+
+ * tree.c (cache_integer_cst): Fixup pointer caching to match
+ wide_int_to_type_1's expectations. Add comment.
+
+2020-11-02 Nathan Sidwell <nathan@acm.org>
+
+ * tree.h (id_equal): Call the symetric predicate with swapped
+ arguments.
+
+2020-11-02 Nathan Sidwell <nathan@acm.org>
+
+ * print-tree.c (print_node): Display all the operands of a call
+ expr.
+
+2020-11-02 Vladimir N. Makarov <vmakarov@redhat.com>
+
+ * config/rs6000/vsx.md (*vsx_extract_<mode>_store_p9): Add hint *
+ to 2nd alternative of the 1st scratch.
+
+2020-11-02 Sudakshina Das <sudi.das@arm.com>
+
+ PR target/97638
+ * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Update
+ return value on INSN_P check.
+
+2020-11-02 Richard Biener <rguenther@suse.de>
+
+ * tree.h (build_real_from_wide): Declare.
+ * tree.c (build_real_from_wide): New function.
+ * tree-vect-slp.c (vect_build_slp_tree_2): Remove
+ restriction on induction vectorization, represent
+ the initial value.
+ * tree-vect-loop.c (vect_model_induction_cost): Inline ...
+ (vectorizable_induction): ... here. Rewrite SLP
+ code generation.
+
+2020-11-02 Martin Jambor <mjambor@suse.cz>
+
+ * dbgcnt.def (ipa_cp_values): New counter.
+ (ipa_cp_vr): Likewise.
+ * ipa-cp.c (decide_about_value): Check and bump ipa_cp_values debug
+ counter.
+ (decide_whether_version_node): Likewise.
+ (ipcp_store_vr_results):Check and bump ipa_cp_vr debug counter.
+
+2020-11-02 Christophe Lyon <christophe.lyon@linaro.org>
+
+ * config/arm/arm.c (arm_thumb1_mi_thunk): Build mi_delta in r3 and
+ do not emit function address and delta when -mpure-code is used.
+
+2020-11-02 Christophe Lyon <christophe.lyon@linaro.org>
+
+ * config/arm/thumb1.md (thumb1_movsi_insn): Call
+ thumb1_gen_const_int_print.
+ * config/arm/arm-protos.h (thumb1_gen_const_int_print): Add
+ prototype.
+ * config/arm/arm.c (thumb1_gen_const_int_print): New.
+
+2020-11-02 Christophe Lyon <christophe.lyon@linaro.org>
+
+ * config/arm/arm.c (thumb1_const_rtl, thumb1_const_print): New
+ classes.
+ (thumb1_gen_const_int): Rename to ...
+ (thumb1_gen_const_int_1): ... New helper function. Add capability
+ to emit either RTL or asm, improve generated code.
+ (thumb1_gen_const_int_rtl): New function.
+ * config/arm/arm-protos.h (thumb1_gen_const_int): Rename to
+ thumb1_gen_const_int_rtl.
+ * config/arm/thumb1.md: Call thumb1_gen_const_int_rtl instead
+ of thumb1_gen_const_int.
+
+2020-11-02 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/97558
+ * tree-vect-loop.c (vectorizable_reduction): For nested SLP
+ cycles compute invariant operands vector type.
+
+2020-11-02 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/97558
+ * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns):
+ Check for any mismatch in pattern vs. non-pattern and dissolve
+ the group if there is one.
+ * tree-vect-slp.c (vect_analyze_slp_instance): Avoid
+ analyzing not relevant reductions.
+ (vect_analyze_slp): Avoid analyzing not relevant reduction
+ groups.
+
+2020-11-02 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/97650
+ * tree-vect-slp.c (vect_get_and_check_slp_defs): Check
+ for SSA_NAME before checking SSA_NAME_IS_DEFAULT_DEF.
+
+2020-11-02 Kito Cheng <kito.cheng@sifive.com>
+
+ * common/config/riscv/riscv-common.c
+ (riscv_subset_list::parse_multiletter_ext): Checking multiletter
+ extension has more than 1 letter.
+
+2020-11-02 Kito Cheng <kito.cheng@sifive.com>
+
+ * config.gcc (riscv*-*-*): Handle --with-multilib-generator.
+ * configure: Regen.
+ * configure.ac: Add --with-multilib-generator.
+ * config/riscv/multilib-generator: Exit when parsing arch string error.
+ * config/riscv/t-withmultilib-generator: New.
+ * doc/install.texi: Document --with-multilib-generator.
+
+2020-11-02 Christophe Lyon <christophe.lyon@linaro.org>
+
+ PR target/96770
+ * config/arm/arm.c (thumb_legitimate_constant_p): Accept
+ (symbol_ref + addend) when literal pool is disabled.
+ (arm_valid_symbolic_address_p): Add support for thumb-1 without
+ MOVT/MOVW.
+ * config/arm/thumb1.md (*thumb1_movsi_insn): Accept (symbol_ref +
+ addend) in the pure-code alternative.
+
+2020-11-02 Christophe Lyon <christophe.lyon@linaro.org>
+
+ PR target/96967
+ * config/arm/arm.c (thumb_legitimate_constant_p): Add support for
+ disabled literal pool in thumb-1.
+ * config/arm/thumb1.md (thumb1_movsi_symbol_ref): Remove.
+ (*thumb1_movsi_insn): Add support for SYMBOL_REF with -mpure-code.
+
+2020-11-01 Iain Sandoe <iain@sandoe.co.uk>
+
+ * config/host-darwin.c: Align pch_address_space to 16384.
+
+2020-11-01 Pat Bernardi <bernardi@adacore.com>
+
+ * config/i386/i386.c (ix86_expand_prologue): Set the stack usage to 0
+ for naked functions.
+
+2020-11-01 Iain Buclaw <ibuclaw@gdcproject.org>
+
+ PR ipa/97660
+ * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't call
+ clone_info::get when cgraph_node::get returns NULL.
+
+2020-10-31 Jan Hubicka <jh@suse.cz>
+
+ * Makefile.in: (OBJS): Add symtab-clones.o
+ (GTFILES): Add symtab-clones.h
+ * cgraph.c: Include symtab-clones.h.
+ (cgraph_edge::resolve_speculation): Fix formating
+ (cgraph_edge::redirect_call_stmt_to_callee): Update.
+ (cgraph_update_edges_for_call_stmt): Update
+ (release_function_body): Fix formating.
+ (cgraph_node::remove): Fix formating.
+ (cgraph_node::dump): Fix formating.
+ (cgraph_node::get_availability): Fix formating.
+ (cgraph_node::call_for_symbol_thunks_and_aliases): Fix formating.
+ (set_const_flag_1): Fix formating.
+ (set_pure_flag_1): Fix formating.
+ (cgraph_node::can_remove_if_no_direct_calls_p): Fix formating.
+ (collect_callers_of_node_1): Fix formating.
+ (clone_of_p): Update.
+ (cgraph_node::verify_node): Update.
+ (cgraph_c_finalize): Call clone_info::release ().
+ * cgraph.h (struct cgraph_clone_info): Move to symtab-clones.h.
+ (cgraph_node): Remove clone_info.
+ (symbol_table): Add m_clones.
+ * cgraphclones.c: Include symtab-clone.h.
+ (duplicate_thunk_for_node): Update.
+ (cgraph_node::create_clone): Update.
+ (cgraph_node::create_virtual_clone): Update.
+ (cgraph_node::find_replacement): Update.
+ (cgraph_node::materialize_clone): Update.
+ * gengtype.c (open_base_files): Include symtab-clones.h.
+ * ipa-cp.c: Include symtab-clones.h.
+ (initialize_node_lattices): Update.
+ (want_remove_some_param_p): Update.
+ (create_specialized_node): Update.
+ * ipa-fnsummary.c: Include symtab-clones.h.
+ (ipa_fn_summary_t::duplicate): Update.
+ * ipa-modref.c: Include symtab-clones.h.
+ (update_signature): Update.
+ * ipa-param-manipulation.c: Include symtab-clones.h.
+ (ipa_param_body_adjustments::common_initialization): Update.
+ * ipa-prop.c: Include symtab-clones.h.
+ (adjust_agg_replacement_values): Update.
+ (ipcp_get_parm_bits): Update.
+ (ipcp_update_bits): Update.
+ (ipcp_update_vr): Update.
+ * ipa-sra.c: Include symtab-clones.h.
+ (process_isra_node_results): Update.
+ (disable_unavailable_parameters): Update.
+ * lto-cgraph.c: Include symtab-clone.h.
+ (output_cgraph_opt_summary_p): Update.
+ (output_node_opt_summary): Update.
+ (input_node_opt_summary): Update.
+ * symtab-clones.cc: New file.
+ * symtab-clones.h: New file.
+ * tree-inline.c (expand_call_inline): Update.
+ (update_clone_info): Update.
+ (tree_function_versioning): Update.
+
+2020-10-31 Jan Hubicka <jh@suse.cz>
+
+ * ipa-modref.c (modref_summary::dump): Dump writes_errno.
+ (parm_map_for_arg): Break out from ...
+ (merge_call_side_effects): ... here.
+ (get_access_for_fnspec): New function.
+ (process_fnspec): New function.
+ (analyze_call): Use it.
+ (analyze_stmt): Update.
+ (analyze_function): Initialize writes_errno.
+ (modref_summaries::duplicate): Duplicate writes_errno.
+ * ipa-modref.h (struct modref_summary): Add writes_errno.
+ * tree-ssa-alias.c (call_may_clobber_ref_p_1): Check errno.
+
+2020-10-30 Michael Meissner <meissner@linux.ibm.com>
+
+ * config/rs6000/rs6000.c (glibc_supports_ieee_128bit): New helper
+ function.
+ (rs6000_option_override_internal): Call it.
+
+2020-10-30 Qing Zhao <qing.zhao@oracle.com>
+ H.J.Lu <hjl.tools@gmail.com>
+
+ * common.opt: Add new option -fzero-call-used-regs
+ * config/i386/i386.c (zero_call_used_regno_p): New function.
+ (zero_call_used_regno_mode): Likewise.
+ (zero_all_vector_registers): Likewise.
+ (zero_all_st_registers): Likewise.
+ (zero_all_mm_registers): Likewise.
+ (ix86_zero_call_used_regs): Likewise.
+ (TARGET_ZERO_CALL_USED_REGS): Define.
+ * df-scan.c (df_epilogue_uses_p): New function.
+ (df_get_exit_block_use_set): Replace EPILOGUE_USES with
+ df_epilogue_uses_p.
+ * df.h (df_epilogue_uses_p): Declare.
+ * doc/extend.texi: Document the new zero_call_used_regs attribute.
+ * doc/invoke.texi: Document the new -fzero-call-used-regs option.
+ * doc/tm.texi: Regenerate.
+ * doc/tm.texi.in (TARGET_ZERO_CALL_USED_REGS): New hook.
+ * emit-rtl.h (struct rtl_data): New field must_be_zero_on_return.
+ * flag-types.h (namespace zero_regs_flags): New namespace.
+ * function.c (gen_call_used_regs_seq): New function.
+ (class pass_zero_call_used_regs): New class.
+ (pass_zero_call_used_regs::execute): New function.
+ (make_pass_zero_call_used_regs): New function.
+ * optabs.c (expand_asm_reg_clobber_mem_blockage): New function.
+ * optabs.h (expand_asm_reg_clobber_mem_blockage): Declare.
+ * opts.c (zero_call_used_regs_opts): New structure array
+ initialization.
+ (parse_zero_call_used_regs_options): New function.
+ (common_handle_option): Handle -fzero-call-used-regs.
+ * opts.h (zero_call_used_regs_opts): New structure array.
+ * passes.def: Add new pass pass_zero_call_used_regs.
+ * recog.c (valid_insn_p): New function.
+ * recog.h (valid_insn_p): Declare.
+ * resource.c (init_resource_info): Replace EPILOGUE_USES with
+ df_epilogue_uses_p.
+ * target.def (zero_call_used_regs): New hook.
+ * targhooks.c (default_zero_call_used_regs): New function.
+ * targhooks.h (default_zero_call_used_regs): Declare.
+ * tree-pass.h (make_pass_zero_call_used_regs): Declare.
+
+2020-10-30 Vladimir N. Makarov <vmakarov@redhat.com>
+
+ * lra.c (get_scratch_reg): New function.
+ (remove_scratches_1): Rename remove_insn_scratches. Use
+ ira_remove_insn_scratches and get_scratch_reg.
+ (remove_scratches): Do not
+ initialize scratches, scratch_bitmap, and scratch_operand_bitmap.
+ (lra): Call ira_restore_scratches instead of restore_scratches.
+ (struct sloc, sloc_t, scratches, scratch_bitmap)
+ (scratch_operand_bitmap, lra_former_scratch_p)
+ (lra_former_scratch_operand_p, lra_register_new_scratch_op)
+ (restore_scratches): Move them to ...
+ * ira.c: ... here.
+ (former_scratch_p, former_scratch_operand_p): Rename to
+ ira_former_scratch_p and ira_former_scratch_operand_p.
+ (contains_X_constraint_p): New function.
+ (register_new_scratch_op): Rename to ira_register_new_scratch_op.
+ Change it to work for IRA and LRA.
+ (restore_scratches): Rename to ira_restore_scratches.
+ (get_scratch_reg, ira_remove_insn_scratches): New functions.
+ (ira): Call ira_remove_scratches if we use LRA.
+ * ira.h (ira_former_scratch_p, ira_former_scratch_operand_p): New
+ prototypes.
+ (ira_register_new_scratch_op, ira_restore_scratches): New prototypes.
+ (ira_remove_insn_scratches): New prototype.
+ * lra-int.h (lra_former_scratch_p, lra_former_scratch_operand_p):
+ Remove prototypes.
+ (lra_register_new_scratch_op): Ditto.
+ * lra-constraints.c: Rename lra_former_scratch_p and
+ lra_former_scratch_p to ira_former_scratch_p and to
+ ira_former_scratch_p.
+ * lra-remat.c: Ditto.
+ * lra-spills.c: Rename lra_former_scratch_p to ira_former_scratch_p.
+
+2020-10-30 Martin Sebor <msebor@redhat.com>
+
+ PR middle-end/97556
+ * builtins.c (access_ref::add_offset): Cap offset lower bound
+ to at most the the upper bound.
+
+2020-10-30 Jan Hubicka <jh@suse.cz>
+
+ PR pch/97593
+ * cgraph.c (cgraph_node::create_thunk): Register thunk as early during
+ parsing.
+ * cgraphunit.c (analyze_functions): Call
+ thunk_info::process_early_thunks.
+ * symtab-thunks.cc (struct unprocessed_thunk): New struct.
+ (thunks): New static variable.
+ (thunk_info::register_early): New member function.
+ (thunk_info::process_early_thunks): New member function.
+ * symtab-thunks.h (thunk_info::register_early): Declare.
+ (thunk_info::process_early_thunks): Declare.
+
+2020-10-30 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/97623
+ * tree-ssa-pre.c (insert): First do hoist insertion in
+ a backward walk.
+
+2020-10-30 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/97626
+ * tree-vect-slp.c (vect_slp_analyze_node_operations):
+ Exchange the lvisited hash-set for a vector, roll back
+ recursive adds to visited when analysis failed.
+ (vect_slp_analyze_operations): Likewise.
+
+2020-10-30 Zhiheng Xie <xiezhiheng@huawei.com>
+ Nannan Zheng <zhengnannan@huawei.com>
+
+ * config/aarch64/aarch64-simd-builtins.def: Add proper FLAG
+ for conversion intrinsics.
+
+2020-10-30 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/97633
+ * tree-vect-slp.c (): Update backedges in single-node cycles.
+ Optimize processing of externals.
+
+2020-10-30 Alex Coplan <alex.coplan@arm.com>
+
+ PR target/96998
+ * combine.c (make_extraction): Also handle shifts written as
+ (mult x 2^n), avoid creating an extract rtx for these.
+ * config/aarch64/aarch64.c (aarch64_is_extend_from_extract): Delete.
+ (aarch64_classify_index): Remove extract-based address handling.
+ (aarch64_strip_extend): Likewise.
+ (aarch64_rtx_arith_op_extract_p): Likewise, remove now-unused parameter.
+ Update callers...
+ (aarch64_rtx_costs): ... here.
+
+2020-10-30 Olivier Hainque <hainque@adacore.com>
+
+ * config/rs6000/vxworks.h (TARGET_OS_CPP_BUILTINS): Also
+ builtin_define __ppc and __ppc__ for VxWorks 7.
+
+2020-10-30 Olivier Hainque <hainque@adacore.com>
+ Douglas Rupp <rupp@adacore.com>
+ Pat Bernardi <bernardi@adacore.com>
+
+ * config.gcc: Adjust the ix86/x86_64-wrs-vxworks filters
+ to apply to VxWorks 7 as well.
+ * config/i386/t-vxworks (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
+ Remove the fPIC multilib and add one for the large code model
+ on x86_64.
+ * config/i386/vxworks.h: Separate sections for TARGET_VXWORKS7,
+ other variants and common bits.
+ (TARGET_OS_CPP_BUILTINS): Augment to support a range of CPU
+ families. Leverage VX_CPU_PREFIX.
+ (CC1_SPEC): Add definition.
+ (STACK_CHECK_PROTECT): Use conditional expression instead of
+ heavier to read conditioned macro definitions.
+
+2020-10-30 Jakub Jelinek <jakub@redhat.com>
+
+ * gimplify.c (gimplify_scan_omp_clauses): Force
+ OMP_CLAUSE_ALLOCATE_ALLOCATOR into a temporary if it is non-NULL and
+ non-constant.
+ (gimplify_omp_for): Only put allocate on inner taskloop if lastprivate
+ for the same variable is going to be put there, and in that case
+ if the OMP_CLAUSE_ALLOCATE_ALLOCATOR is non-NULL non-constant, make
+ the allocator firstprivate on task.
+
+2020-10-30 Michael Meissner <meissner@linux.ibm.com>
+
+ * config/rs6000/rs6000.c (rs6000_option_override_internal): Allow
+ long double type to be changed for C/C++ if glibc 2.32 or newer.
+ (rs6000_invalid_binary_op): Update error messages about mixing IBM
+ long double and IEEE 128-bit.
+
2020-10-29 Richard Biener <rguenther@suse.de>
* tree-ssa-pre.c (compute_avail): Free operands consistently.
+2020-11-02 Patrick Palka <ppalka@redhat.com>
+
+ * g++.dg/cpp2a/concepts-complete1.C: Delete test that became
+ ill-formed after P2104.
+
+2020-11-02 Carl Love <cel@us.ibm.com>
+
+ * gcc.target/powerpc/bcd-2.c: Add include altivec.h.
+ * gcc.target/powerpc/bcd-3.c: Add include altivec.h.
+ * gcc.target/powerpc/bcd-4.c: New test.
+
+2020-11-02 Nathan Sidwell <nathan@acm.org>
+
+ * g++.dg/concepts/pack-1.C: New.
+ * g++.dg/lookup/using53.C: Add an enum.
+ * g++.dg/template/error25.C: Relax 'export' error check.
+
+2020-11-02 Sudakshina Das <sudi.das@arm.com>
+
+ PR target/97638
+ * gcc.target/aarch64/pr97638.c: New test.a
+
+2020-11-02 Richard Biener <rguenther@suse.de>
+
+ * gcc.dg/vect/slp-49.c: New testcase.
+
+2020-11-02 Christophe Lyon <christophe.lyon@linaro.org>
+
+ * gcc.target/arm/pure-code/no-literal-pool-m23.c: New.
+
+2020-11-02 Christophe Lyon <christophe.lyon@linaro.org>
+
+ * gcc.target/arm/pure-code/no-literal-pool-m0.c: New.
+
+2020-11-02 Thomas Schwinge <thomas@codesourcery.com>
+
+ PR fortran/92793
+ * gfortran.dg/goacc/pr92793-1.f90: Adjust.
+
+2020-11-02 Tobias Burnus <tobias@codesourcery.com>
+
+ PR fortran/97655
+ * gfortran.dg/gomp/atomic.f90: Update tree-dump counts; move
+ invalid OMP 5.0 code to ...
+ * gfortran.dg/gomp/atomic-2.f90: ... here; update dg-error.
+ * gfortran.dg/gomp/requires-9.f90: Update tree dump scan.
+
+2020-11-02 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/97558
+ * gcc.dg/vect/pr97558-2.c: New testcase.
+
+2020-11-02 Aldy Hernandez <aldyh@redhat.com>
+
+ PR tree-optimization/97505
+ * gcc.dg/pr97505.c: New test.
+
+2020-11-02 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/97558
+ * gcc.dg/vect/pr97558.c: New testcase.
+
+2020-11-02 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/97650
+ * gcc.dg/vect/bb-slp-pr97650.c: New testcase.
+
+2020-11-02 Kito Cheng <kito.cheng@sifive.com>
+
+ * gcc.target/riscv/arch-7.c: New.
+ * gcc.target/riscv/attribute-10.c: Update test arch string.
+
+2020-11-02 Christophe Lyon <christophe.lyon@linaro.org>
+
+ PR target/96770
+ * gcc.target/arm/pure-code/pr96770.c: New test.
+
+2020-11-02 Christophe Lyon <christophe.lyon@linaro.org>
+
+ PR target/96967
+ * gcc.target/arm/pure-code/pr96767.c: New test.
+
+2020-11-01 Iain Sandoe <iain@sandoe.co.uk>
+
+ * obj-c++.dg/SEL-typedef.mm: New test.
+ * objc.dg/SEL-typedef.m: New test.
+
+2020-11-01 Iain Sandoe <iain@sandoe.co.uk>
+
+ * obj-c++.dg/property/at-property-1.mm: Adjust test after
+ fixing spurious error output.
+
+2020-11-01 Iain Sandoe <iain@sandoe.co.uk>
+
+ * gcc.target/i386/amxbf16-asmintel-1.c: Require masm_intel.
+ * gcc.target/i386/amxint8-asmintel-1.c: Likewise.
+ * gcc.target/i386/amxtile-asmintel-1.c: Likewise.
+
+2020-10-30 Qing Zhao <qing.zhao@oracle.com>
+ H.J.Lu <hjl.tools@gmail.com>
+
+ * c-c++-common/zero-scratch-regs-1.c: New test.
+ * c-c++-common/zero-scratch-regs-10.c: New test.
+ * c-c++-common/zero-scratch-regs-11.c: New test.
+ * c-c++-common/zero-scratch-regs-2.c: New test.
+ * c-c++-common/zero-scratch-regs-3.c: New test.
+ * c-c++-common/zero-scratch-regs-4.c: New test.
+ * c-c++-common/zero-scratch-regs-5.c: New test.
+ * c-c++-common/zero-scratch-regs-6.c: New test.
+ * c-c++-common/zero-scratch-regs-7.c: New test.
+ * c-c++-common/zero-scratch-regs-8.c: New test.
+ * c-c++-common/zero-scratch-regs-9.c: New test.
+ * c-c++-common/zero-scratch-regs-attr-usages.c: New test.
+ * gcc.target/i386/zero-scratch-regs-1.c: New test.
+ * gcc.target/i386/zero-scratch-regs-10.c: New test.
+ * gcc.target/i386/zero-scratch-regs-11.c: New test.
+ * gcc.target/i386/zero-scratch-regs-12.c: New test.
+ * gcc.target/i386/zero-scratch-regs-13.c: New test.
+ * gcc.target/i386/zero-scratch-regs-14.c: New test.
+ * gcc.target/i386/zero-scratch-regs-15.c: New test.
+ * gcc.target/i386/zero-scratch-regs-16.c: New test.
+ * gcc.target/i386/zero-scratch-regs-17.c: New test.
+ * gcc.target/i386/zero-scratch-regs-18.c: New test.
+ * gcc.target/i386/zero-scratch-regs-19.c: New test.
+ * gcc.target/i386/zero-scratch-regs-2.c: New test.
+ * gcc.target/i386/zero-scratch-regs-20.c: New test.
+ * gcc.target/i386/zero-scratch-regs-21.c: New test.
+ * gcc.target/i386/zero-scratch-regs-22.c: New test.
+ * gcc.target/i386/zero-scratch-regs-23.c: New test.
+ * gcc.target/i386/zero-scratch-regs-24.c: New test.
+ * gcc.target/i386/zero-scratch-regs-25.c: New test.
+ * gcc.target/i386/zero-scratch-regs-26.c: New test.
+ * gcc.target/i386/zero-scratch-regs-27.c: New test.
+ * gcc.target/i386/zero-scratch-regs-28.c: New test.
+ * gcc.target/i386/zero-scratch-regs-29.c: New test.
+ * gcc.target/i386/zero-scratch-regs-30.c: New test.
+ * gcc.target/i386/zero-scratch-regs-31.c: New test.
+ * gcc.target/i386/zero-scratch-regs-3.c: New test.
+ * gcc.target/i386/zero-scratch-regs-4.c: New test.
+ * gcc.target/i386/zero-scratch-regs-5.c: New test.
+ * gcc.target/i386/zero-scratch-regs-6.c: New test.
+ * gcc.target/i386/zero-scratch-regs-7.c: New test.
+ * gcc.target/i386/zero-scratch-regs-8.c: New test.
+ * gcc.target/i386/zero-scratch-regs-9.c: New test.
+
+2020-10-30 Martin Sebor <msebor@redhat.com>
+
+ PR middle-end/97556
+ * gcc.dg/Warray-bounds-70.c: New test.
+
+2020-10-30 Tobias Burnus <tobias@codesourcery.com>
+
+ * g++.dg/guality/guality.exp: Skip $rootme-based check if unset.
+ * gcc.dg/guality/guality.exp: Likewise.
+ * gfortran.dg/guality/guality.exp: Likewise.
+ * lib/asan-dg.exp: Don't use $asan_saved_library_path if not set.
+ * lib/tsan-dg.exp: Don't use $tsan_saved_library_path if not set.
+ * lib/ubsan-dg.exp: Don't use $ubsan_saved_library_path if not set.
+
+2020-10-30 Tobias Burnus <tobias@codesourcery.com>
+
+ * gfortran.dg/gomp/atomic-2.f90: New test.
+ * gfortran.dg/gomp/atomic.f90: New test.
+
+2020-10-30 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/97623
+ * gcc.dg/tree-ssa/ssa-hoist-7.c: New testcase.
+
+2020-10-30 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/97626
+ * gcc.dg/vect/bb-slp-pr97626.c: New testcase.
+
+2020-10-30 Thomas Schwinge <thomas@codesourcery.com>
+
+ PR fortran/92793
+ * c-c++-common/goacc/clause-locations.c: Rewrite into...
+ * c-c++-common/goacc/pr92793-1.c: ... this.
+ * gfortran.dg/goacc/clause-locations.f90: Rewrite into...
+ * gfortran.dg/goacc/pr92793-1.f90: ... this.
+
+2020-10-30 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/97633
+ * g++.dg/vect/slp-pr97636.cc: New testcase.
+ * gcc.dg/vect/bb-slp-pr97633.c: Likewise.
+
+2020-10-30 Alex Coplan <alex.coplan@arm.com>
+
+ PR target/96998
+ * gcc.c-torture/compile/pr96998.c: New test.
+
+2020-10-30 Jakub Jelinek <jakub@redhat.com>
+
+ * c-c++-common/gomp/allocate-3.c: New test.
+
+2020-10-30 Jakub Jelinek <jakub@redhat.com>
+
+ * c-c++-common/gomp/allocate-1.c (qux): Add another test.
+ * g++.dg/gomp/allocate-1.C: New test.
+
+2020-10-30 Richard Biener <rguenther@suse.de>
+
+ * gcc.dg/vect/bb-slp-pr65935.c: Adjust.
+
+2020-10-30 Michael Meissner <meissner@linux.ibm.com>
+
+ * gcc.target/powerpc/float128-mix-2.c: New test.
+ * gcc.target/powerpc/float128-mix-3.c: New test.
+ * gcc.target/powerpc/float128-mix.c: Update failure messages.
+
2020-10-29 Marek Polacek <polacek@redhat.com>
DR 625
+2020-11-02 Thomas Rodgers <trodgers@redhat.com>
+
+ * doc/doxygen/user.cfg.in (INPUT): Add new header.
+ * include/Makefile.am (std_headers): Add new header.
+ * include/Makefile.in: Regenerate.
+ * include/precompiled/stdc++.h: Include new header.
+ * include/std/syncstream: New header.
+ * include/std/version: Add __cpp_lib_syncbuf.
+ * testsuite/27_io/basic_syncbuf/1.cc: New test.
+ * testsuite/27_io/basic_syncbuf/2.cc: Likewise.
+ * testsuite/27_io/basic_syncbuf/basic_ops/1.cc:
+ Likewise.
+ * testsuite/27_io/basic_syncbuf/requirements/types.cc:
+ Likewise.
+ * testsuite/27_io/basic_syncbuf/sync_ops/1.cc:
+ Likewise.
+ * testsuite/27_io/basic_syncstream/1.cc: Likewise.
+ * testsuite/27_io/basic_syncstream/2.cc: Likewise.
+ * testsuite/27_io/basic_syncstream/basic_ops/1.cc:
+ Likewise.
+ * testsuite/27_io/basic_syncstream/requirements/types.cc:
+ Likewise.
+
+2020-11-01 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/type_traits (is_integral<wchar_t>)
+ (make_unsigned<wchar_t>, make_signed<wchar_t>): Define based
+ on #ifdef __WCHAR_TYPE__ instead of _GLIBCXX_USE_WCHAR_T.
+ * include/bits/cpp_type_traits.h (__is_integer<wchar_t>)
+ (__is_char<wchar_t>): Likewise.
+
+2020-10-31 François Dumont <fdumont@gcc.gnu.org>
+
+ * src/c++17/floating_from_chars.cc (_GLIBCXX_USE_CX11_ABI): Add define.
+ (buffering_string): New.
+ [!_GLIBCXX_USE_CXX11_ABI](reserve_string): New.
+ (from_chars): Adapt.
+ * src/c++20/sstream-inst.cc: Limit instantiations to
+ _GLIBCXX_USE_CXX11_ABI.
+
+2020-10-31 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/random.h (independent_bit_engine): Fix typo
+ in comment.
+ (shuffle_order_engine): Fix incorrect description in comment.
+ * include/bits/random.tcc (__representable_as_double
+ (__p1_representable_as_double): New helper functions.
+ (shuffle_order_engine::operator()): Use double for calculation
+ if (max() - min() + 1) is representable as double.
+ * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error
+ line number.
+
+2020-10-31 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/96958
+ * include/bits/hashtable_policy.h (_Prime_rehash_policy)
+ (_Power2_rehash_policy): Use ceil and floor instead of ceill and
+ floorl.
+ * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy): Likewise.
+ Use double instead of long double.
+
+2020-10-31 Patrick Palka <ppalka@redhat.com>
+
+ PR libstdc++/97600
+ * include/std/ranges (basic_istream_view::begin): Initialize
+ _Iterator from 'this' instead of '*this'.
+ (basic_istream_view::_Iterator::_Iterator): Adjust constructor
+ accordingly.
+ (filter_view::_Iterator::_Iterator): Take a filter_view*
+ argument instead of a filter_view& argument.
+ (filter_view::_Sentinel::_Sentinel): Likewise.
+ (filter_view::begin): Initialize _Iterator from 'this' instead
+ of '*this'.
+ (filter_view::end): Likewise.
+ (transform_view::_Iterator::_Iterator): Take a _Parent* instead
+ of a _Parent&.
+ (filter_view::_Iterator::operator+): Adjust accordingly.
+ (filter_view::_Iterator::operator-): Likewise.
+ (filter_view::begin): Initialize _Iterator from 'this' instead
+ of '*this'.
+ (filter_view::end): Likewise.
+ (join_view::_Iterator): Take a _Parent* instead of a _Parent&.
+ (join_view::_Sentinel): Likewise.
+ (join_view::begin): Initialize _Iterator from 'this' instead of
+ '*this'.
+ (join_view::end): Initialize _Sentinel from 'this' instead of
+ '*this'.
+ (split_view::_OuterIter): Take a _Parent& instead of a _Parent*.
+ (split_view::begin): Initialize _OuterIter from 'this' instead
+ of '*this'.
+ (split_view::end): Likewise.
+ * testsuite/std/ranges/97600.cc: New test.
+
+2020-10-30 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/ranges (enable_borrowed_view<take_view<T>>)
+ (enable_borrowed_view<drop_view<T>>)
+ (enable_borrowed_view<drop_while_view<T>>)
+ (enable_borrowed_view<reverse_view<T>>)
+ (enable_borrowed_view<common_view<T>>)
+ (enable_borrowed_view<elements_view<T>>): Add partial
+ specializations as per P2017R1.
+ * testsuite/std/ranges/adaptors/conditionally_borrowed.cc:
+ New test.
+
+2020-10-30 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/96958
+ * include/bits/hashtable_policy.h (_Prime_rehash_policy)
+ (_Power2_rehash_policy): Use double instead of long double.
+
+2020-10-30 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
+ Avoid -Wcatch-value warnings.
+
+2020-10-30 Patrick Palka <ppalka@redhat.com>
+
+ * include/std/ranges (__detail::__box): For the partial
+ specialization used by types that are already semiregular,
+ make the default constructor value-initialize the underlying
+ object instead of default-initializing it. Make its in place
+ constructor explicit.
+ * testsuite/std/ranges/adaptors/detail/semiregular_box.cc:
+ Augment test.
+
+2020-10-30 David Edelsohn <dje.gcc@gmail.com>
+
+ * testsuite/20_util/unique_ptr/creation/for_overwrite.cc: XFAIL on AIX.
+
2020-10-29 Jonathan Wakely <jwakely@redhat.com>
* config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Tighten patterns
projects / gcc.git / commitdiff