path: root/gcc/ChangeLog

2022-01-10  Uroš Bizjak  <ubizjak@gmail.com>

	PR target/103861
	* config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
	Handle V2QImode.
	* config/i386/mmx.md (<sat_plusminus:insn><mode>3):
	Use VI1_16_32 mode iterator.
	(*eq<mode>3): Ditto.
	(*gt<mode>3): Ditto.
	(*xop_maskcmp<mode>3): Ditto.
	(*xop_maskcmp_uns<mode>3): Ditto.
	(vec_cmp<mode><mode>): Ditto.
	(vec_cmpu<mode><mode>): Ditto.

2022-01-10  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/103948
	* tree-vect-generic.c (expand_vector_condition): Return true if
	all ones vector is returned for true, all zeros vector for false
	and the target defines corresponding vec_cmp{,u}MN named RTX pattern.

2022-01-10  Paul A. Clarke  <pc@us.ibm.com>

	* config/rs6000/smmintrin.h (_mm_blendv_epi8): Use vec_blendv
	when _ARCH_PWR10. Use signed types.
	(_mm_blendv_ps): Use vec_blendv when _ARCH_PWR10.
	(_mm_blendv_pd): Likewise.

2022-01-10  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	* tree-vectorizer.c (better_epilogue_loop_than_p): Round factors up for
	epilogue costing.
	* tree-vect-loop.c (vect_analyze_loop): Re-analyze all modes for
	epilogues, unless we are guaranteed that we can't have partial vectors.
	* genopinit.c: (partial_vectors_supported): Generate new function.

2022-01-10  Jakub Jelinek  <jakub@redhat.com>

	PR target/102024
	* config/i386/i386.c (classify_argument): Add zero_width_bitfields
	argument, when seeing DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD bitfields,
	always ignore them, when seeing other zero sized bitfields, either
	set zero_width_bitfields to 1 and ignore it or if equal to 2 process
	it.  Pass it to recursive calls.  Add wrapper
	with old arguments and diagnose ABI differences for C structures
	with zero width bitfields.  Formatting fixes.

2022-01-10  Richard Sandiford  <richard.sandiford@arm.com>

	PR rtl-optimization/98782
	* ira-int.h (ira_soft_conflict): Declare.
	* ira-color.c (max_soft_conflict_loop_depth): New constant.
	(ira_soft_conflict): New function.
	(spill_soft_conflicts): Likewise.
	(assign_hard_reg): Use them to handle the case described by
	the comment above ira_soft_conflict.
	(improve_allocation): Likewise.
	* ira.c (check_allocation): Allow allocnos with "soft" conflicts
	to share the same register.

2022-01-10  Richard Sandiford  <richard.sandiford@arm.com>

	PR rtl-optimization/98782
	* ira-int.h (ira_caller_save_cost): New function.
	(ira_caller_save_loop_spill_p): Likewise.
	* ira-build.c (ira_propagate_hard_reg_costs): Test whether it is
	cheaper to spill a call-clobbered register throughout a loop rather
	than spill it around each individual call.  If so, treat all
	call-clobbered registers as conflicts and...
	(propagate_allocno_info): ...do not propagate call information
	from the child to the parent.
	* ira-color.c (move_spill_restore): Update accordingly.
	* ira-costs.c (ira_tune_allocno_costs): Use ira_caller_save_cost.

2022-01-10  Richard Sandiford  <richard.sandiford@arm.com>

	PR rtl-optimization/98782
	* ira-int.h (ira_allocno::might_conflict_with_parent_p): New field.
	(ALLOCNO_MIGHT_CONFLICT_WITH_PARENT_P): New macro.
	(ira_single_region_allocno_p): New function.
	(ira_total_conflict_hard_regs): Likewise.
	* ira-build.c (ira_create_allocno): Initialize
	ALLOCNO_MIGHT_CONFLICT_WITH_PARENT_P.
	(ira_propagate_hard_reg_costs): New function.
	(propagate_allocno_info): Use it.  Try to avoid propagating
	hard register conflicts to parent allocnos if we can handle
	the conflicts by spilling instead.  Limit the propagated
	register costs to the cost of spilling throughout the child loop.
	* ira-color.c (color_pass): Use ira_single_region_allocno_p to
	test whether a child and parent allocno can share the same
	register.
	(move_spill_restore): Adjust for the new behavior of
	propagate_allocno_info.

2022-01-10  Richard Sandiford  <richard.sandiford@arm.com>

	PR rtl-optimization/98782
	* ira-int.h (ira_subloop_allocnos_can_differ_p): New function,
	extracted from...
	* ira-color.c (color_pass): ...here.

2022-01-10  Richard Sandiford  <richard.sandiford@arm.com>

	PR rtl-optimization/98782
	* ira-color.c (color_pass): Add comments to describe the spill costs.
	(move_spill_restore): Likewise.  Fix reversed calculation.

2022-01-10  Richard Sandiford  <richard.sandiford@arm.com>

	PR rtl-optimization/98782
	* ira-int.h (ira_loop_border_costs): New class.
	* ira-color.c (ira_loop_border_costs::ira_loop_border_costs):
	New constructor.
	(calculate_allocno_spill_cost): Use ira_loop_border_costs.
	(color_pass): Likewise.
	(move_spill_restore): Likewise.

2022-01-10  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/103465
	* coretypes.h (unwind_info_type): Swap UI_SEH and UI_TARGET.

2022-01-10  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/100359
	* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
	Allow non-growing peeling with !allow_peel and UL_ALL.

2022-01-08  Roger Sayle  <roger@nextmovesoftware.com>

	* config/i386/i386-expand.c (ix86_expand_vector_move): Add
	special case for TImode to V1TImode moves, going via V2DImode.

2022-01-08  Jakub Jelinek  <jakub@redhat.com>

	PR c++/89074
	* match.pd ((ptr) (x p+ y) p+ z -> (ptr) (x p+ (y + z))): New GENERIC
	simplification.

2022-01-08  David Malcolm  <dmalcolm@redhat.com>

	* doc/analyzer.texi
	(Special Functions for Debugging the Analyzer): Document
	__analyzer_dump_escaped.

2022-01-08  David Malcolm  <dmalcolm@redhat.com>

	* doc/analyzer.texi (Other Debugging Techniques): Document
	region::is_named_decl_p.

2022-01-07  Andrew Pinski  <apinski@marvell.com>

	PR target/102941
	* config/arm/aarch-common.c (arm_md_asm_adjust):
	Use a temp if !REG_P.

2022-01-07  Uroš Bizjak  <ubizjak@gmail.com>

	* config/i386/mmx.md (*move<V_32:mode>_internal): Add isa attribute.
	(*movv2qi_internal): Remve sse2 requirement for alternatives 4,5.

2022-01-07  liuhongt  <hongtao.liu@intel.com>

	PR rtl-optimization/103750
	* fwprop.c (forward_propagate_into): Allow propagations from
	inner loop to outer loop.

2022-01-07  Roger Sayle  <roger@nextmovesoftware.com>

	* config/nvptx/nvptx.md (*cnot<mode>2): New define_insn.

2022-01-07  Haochen Gui  <guihaoc@gcc.gnu.org>

	* config/rs6000/rs6000.md (rs6000_mffscrni): Define.
	(rs6000_set_fpscr_rn): Change the type of operand[0] from DI to SI.
	Call gen_rs6000_mffscrni when operand[0] is a const_0_to_3_operand.

2022-01-07  liuhongt  <hongtao.liu@intel.com>

	* config/i386/sse.md
	(*<avx512>_eq<mode>3<mask_scalar_merge_name>_1): Extend to
	UNSPEC_PCMP_UNSIGNED.

2022-01-07  liuhongt  <hongtao.liu@intel.com>

	PR target/103753
	* config/i386/i386-expand.c (ix86_expand_vector_set): Not use
	gen_avx2_pblendph_1 when elt == 0.
	* config/i386/sse.md (avx2_pblendph): Rename to ..
	(avx2_pblend<ssemodesuffix>_1).. this, and extend to V16HI.
	(*avx2_pblendw): Rename to ..
	(*avx2_pblend<ssemodesuffix>): .. this, and extend to V16HF.
	(avx2_pblendw): Rename to ..
	(*avx2_pblend<ssemodesuffix>): .. this, and extend to V16HF.
	(blendsuf): Removed.
	(sse4_1_pblend<blendsuf>): Renamed to ..
	(sse4_1_pblend<ssemodesuffix>): .. this.

2022-01-06  H.J. Lu  <hjl.tools@gmail.com>

	PR target/103925
	* config/i386/i386.c (ix86_output_indirect_function_return):
	Generate INT3 after indirect jmp for -mharden-sls=indirect-jmp.

2022-01-06  H.J. Lu  <hjl.tools@gmail.com>

	PR target/102952
	* config/i386/i386-opts.h (harden_sls): Replace
	harden_sls_indirect_branch with harden_sls_indirect_jmp.
	* config/i386/i386.c (ix86_output_jmp_thunk_or_indirect):
	Likewise.
	(ix86_output_indirect_jmp): Likewise.
	(ix86_output_call_insn): Likewise.
	* config/i386/i386.opt: Replace indirect-branch with
	indirect-jmp.  Replace harden_sls_indirect_branch with
	harden_sls_indirect_jmp.
	* doc/invoke.texi (-harden-sls=): Replace indirect-branch with
	indirect-jmp.

2022-01-06  Uroš Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_output_ssemov) <MODE_DI>:
	Add %q modifier for operands in general registers.
	<MODE_SI>: Add %q modifier for operands in general registers.
	* config/i386/i386.md (*movhi_internal): Change type attribute of
	xmm-gpr interunit alternatives 9,10 to ssemov and mode attribute
	to SImode for non-avx512fp16 targets.
	(*movhf_internal): Ditto for xmm-gpr interunit alternatives 6,8.
	* config/i386/mmx.md (*movv2qi_internal):
	Ditto for xmm-gpr interunit alternatives 8,9.

2022-01-06  Kito Cheng  <kito.cheng@sifive.com>

	* common/config/riscv/riscv-common.c (riscv_implied_info): Add
	vector extensions.
	(riscv_ext_version_table): Add version info for vector extensions.
	(riscv_ext_flag_table): Add option mask for vector extensions.
	* config/riscv/riscv-opts.h (MASK_VECTOR_EEW_32): New.
	(MASK_VECTOR_EEW_64): New.
	(MASK_VECTOR_EEW_FP_32): New.
	(MASK_VECTOR_EEW_FP_64): New.
	(MASK_ZVL32B): New.
	(MASK_ZVL64B): New.
	(MASK_ZVL128B): New.
	(MASK_ZVL256B): New.
	(MASK_ZVL512B): New.
	(MASK_ZVL1024B): New.
	(MASK_ZVL2048B): New.
	(MASK_ZVL4096B): New.
	(MASK_ZVL8192B): New.
	(MASK_ZVL16384B): New.
	(MASK_ZVL32768B): New.
	(MASK_ZVL65536B): New.
	(TARGET_ZVL32B): New.
	(TARGET_ZVL64B): New.
	(TARGET_ZVL128B): New.
	(TARGET_ZVL256B): New.
	(TARGET_ZVL512B): New.
	(TARGET_ZVL1024B): New.
	(TARGET_ZVL2048B): New.
	(TARGET_ZVL4096B): New.
	(TARGET_ZVL8192B): New.
	(TARGET_ZVL16384B): New.
	(TARGET_ZVL32768B): New.
	(TARGET_ZVL65536B): New.
	* config/riscv/riscv.opt (Mask(VECTOR)): New.
	(riscv_vector_eew_flags): New.
	(riscv_zvl_flags): New.

2022-01-06  Kito Cheng  <kito.cheng@sifive.com>

	* common/config/riscv/riscv-common.c
	(riscv_subset_list::parse_multiletter_ext): Allow ext. name has
	digit.

2022-01-06  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/103899
	* expr.c (expand_expr_real_1): Add a workaround for bogus uninit
	warning by moving context variable to the only spot where it is used
	and moving gcc_assert into if body.

2022-01-06  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/103908
	* ifcvt.c (bb_valid_for_noce_process_p): Punt on bbs ending with
	asm goto.

2022-01-05  Bill Schmidt  <wschmidt@linux.ibm.com>

	PR target/103622
	* config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
	Skip over instances with undefined function types.

2022-01-05  Andrew Pinski  <apinski@marvell.com>

	PR target/103910
	* config/i386/i386.h (x86_mfence): Mark with GTY.

2022-01-05  Uroš Bizjak  <ubizjak@gmail.com>

	PR target/103861
	* config/i386/mmx.md (VI_16_32): New mode iterator.
	(VI1_16_32): Ditto.
	(mmxvecsize): Handle V2QI mode.
	(<smaxmin:code><mode>3): Rename from <smaxmin:code>v4qi3.
	Use VI1_16_32 mode iterator.
	(<umaxmin:code><mode>3): Rename from <umaxmin:code>v4qi3.
	Use VI1_16_32 mode iterator.
	(abs<mode>2): Use VI_16_32 mode iterator.
	(uavgv2qi3_ceil): New insn pattern.

2022-01-05  Martin Sebor  <msebor@redhat.com>

	* gimple-ssa-warn-access.cc (pass_waccess::maybe_warn_memmodel): Use
	%qs to avoid -Wformat-diag.

2022-01-05  Uroš Bizjak  <ubizjak@gmail.com>

	PR target/103915
	* config/i386/mmx.md (one_cmplv2qi2): Change
	alternatives 1,2 type from sselog to sselog1.

2022-01-05  Uroš Bizjak  <ubizjak@gmail.com>

	PR target/103905
	* config/i386/i386-expand.c (expand_vec_perm_pshufb): Fix number of
	narrow mode remapped elements for !one_operand_p case.

2022-01-05  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/103816
	* tree-vect-data-refs.c (vect_analyze_group_access_1): Also
	check DR_GROUP_GAP compute for overflow and representability.

2022-01-05  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/103691
	* gimple-fold.c (fold_stmt_1): Don't call maybe_fold_reference
	for DEBUG stmts with ADDR_EXPR gimple_debug_bind_get_value,
	it can do unwanted rhs folding like &a[0] into &2.0 etc.

2022-01-05  Kewen Lin  <linkw@linux.ibm.com>

	PR ipa/102059
	* config/rs6000/rs6000.c (TARGET_NEED_IPA_FN_TARGET_INFO): New macro.
	(TARGET_UPDATE_IPA_FN_TARGET_INFO): Likewise.
	(rs6000_need_ipa_fn_target_info): New function.
	(rs6000_update_ipa_fn_target_info): Likewise.
	(rs6000_can_inline_p): Adjust for ipa function summary target info.
	* config/rs6000/rs6000.h (RS6000_FN_TARGET_INFO_HTM): New macro.
	* ipa-fnsummary.c (ipa_dump_fn_summary): Adjust for ipa function
	summary target info.
	(analyze_function_body): Adjust for ipa function summary target info
	and call hook rs6000_need_ipa_fn_target_info and
	rs6000_update_ipa_fn_target_info.
	(ipa_merge_fn_summary_after_inlining): Adjust for ipa function summary
	target info.
	(inline_read_section): Likewise.
	(ipa_fn_summary_write): Likewise.
	* ipa-fnsummary.h (ipa_fn_summary::target_info): New member.
	* doc/tm.texi: Regenerate.
	* doc/tm.texi.in (TARGET_UPDATE_IPA_FN_TARGET_INFO): Document new hook.
	(TARGET_NEED_IPA_FN_TARGET_INFO): Likewise.
	* target.def (update_ipa_fn_target_info): New hook.
	(need_ipa_fn_target_info): Likewise.
	* targhooks.c (default_need_ipa_fn_target_info): New function.
	(default_update_ipa_fn_target_info): Likewise.
	* targhooks.h (default_update_ipa_fn_target_info): New declare.
	(default_need_ipa_fn_target_info): Likewise.

2022-01-04  Martin Sebor  <msebor@redhat.com>

	PR middle-end/99612
	* builtins.c (get_memmodel): Move warning code to
	gimple-ssa-warn-access.cc.
	(expand_builtin_atomic_compare_exchange): Same.
	(expand_ifn_atomic_compare_exchange): Same.
	(expand_builtin_atomic_load): Same.
	(expand_builtin_atomic_store): Same.
	(expand_builtin_atomic_clear): Same.
	* doc/extend.texi (__atomic_exchange_n): Update valid memory
	models.
	* gimple-ssa-warn-access.cc (memmodel_to_uhwi): New function.
	(struct memmodel_pair): New struct.
	(memmodel_name): New function.
	(pass_waccess::maybe_warn_memmodel): New function.
	(pass_waccess::check_atomic_memmodel): New function.
	(pass_waccess::check_atomic_builtin): Handle memory model.
	* input.c (expansion_point_location_if_in_system_header): Return
	original location if expansion location is in a system header.

2022-01-04  Uroš Bizjak  <ubizjak@gmail.com>

	PR target/103861
	* config/i386/mmx.md (one_cmplv2qi3): New insn pattern.
	(one_cmplv2qi3 splitters): New post-reload splitters.
	(*andnotv2qi3): New insn pattern.
	(andnotv2qi3 splitters): New post-reload splitters.
	(<any_logic:code>v2qi3): New insn pattern.
	(<any_logic:insn>v2qi3 splitters): New post-reload splitters.

2022-01-04  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/103800
	* tree-vect-loop.c (vectorizable_phi): Remove assert and
	expand comment.

2022-01-04  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/103690
	* tree-pass.h (tail_merge_optimize): Adjust.
	* tree-ssa-tail-merge.c (tail_merge_optimize): Pass in whether
	to re-split critical edges, move CFG cleanup ...
	* tree-ssa-pre.c (pass_pre::execute): ... here, before
	simple_dce_from_worklist and delay freeing inserted_exprs from
	...
	(fini_pre): .. here.

2022-01-04  Roger Sayle  <roger@nextmovesoftware.com>

	* config/nvptx/nvptx.h (STORE_FLAG_VALUE): Change to 1.
	* config/nvptx/nvptx.md (movbi): Use P1 constraint for true.
	(setcc_from_bi): Remove SImode specific pattern.
	(setcc<mode>_from_bi): Provide more general HSDIM pattern.
	(extendbi<mode>2, zeroextendbi<mode>2): Provide instructions
	for sign- and zero-extending BImode predicates to integers.
	(setcc_int<mode>): Remove previous (-1-based) instructions.
	(cstorebi4): Remove BImode to SImode specific expander.
	(cstore<mode>4): Fix indentation.  Expand using setccsi_from_bi.
	(cstore<mode>4): For both integer and floating point modes.

2022-01-04  Olivier Hainque  <hainque@adacore.com>

	* gcc.c (driver_handle_option): do_save --sysroot.

2022-01-04  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/103864
	PR tree-optimization/103544
	* tree-vect-slp.c (vect_analyze_slp_instance): Exclude
	reductions wrapped in conversions from SLP handling.
	(vect_analyze_slp): Revert PR103544 change.

2022-01-04  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/103860
	* shrink-wrap.c (try_shrink_wrapping): Don't call can_get_prologue
	uselessly for blocks for which it has been called already.

2022-01-04  Cui,Lili  <lili.cui@intel.com>

	* common/config/i386/cpuinfo.h (get_intel_cpu): Add new model values
	to Alderlake and Rocketlake.

2022-01-04  Chung-Lin Tang  <cltang@codesourcery.com>

	PR middle-end/103643
	* gimplify.c (gimplify_omp_affinity): Adjust gimplify_expr of entire
	OMP_CLAUSE_DECL to use 'is_gimple_lvalue, fb_lvalue'

2022-01-04  liuhongt  <hongtao.liu@intel.com>

	PR target/103895
	* config/i386/sse.md (*bit_and_float_vector_all_ones):
	Force_reg operand 1 to avoid ICE.

2022-01-04  Jason Merrill  <jason@redhat.com>

	* tree-pretty-print.c (do_niy): Add spc parameter.
	(NIY): Pass it.
	(print_call_name): Add spc local variable.

2022-01-03  Uroš Bizjak  <ubizjak@gmail.com>

	PR target/103894
	* config/i386/mmx.md (mov<V_32:mode>): Remove TARGET_SSE2 constraint.
	(mov<V_32:mode>_internal): Ditto.
	(*push<V_32:mode>_rex64): Ditto.
	(movmisalign<V_32:mode>): Ditto.
	(*push<V_32:mode>_rex64 splitter): Enable for
	TARGET_64BIT && TARGET_SSE.
	(*push<V_32:mode>2): Remove insn pattern.

2022-01-03  Andrew Pinski  <apinski@marvell.com>

	PR c/33193
	* doc/extend.texi: Extend the documentation about Complex
	types for casting and also rewrite the __real__/__imag__
	expression portion to use tables.
	Move __builtin_complex to the Complex type section.

2022-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR target/98737
	* internal-fn.def (ATOMIC_ADD_FETCH_CMP_0, ATOMIC_SUB_FETCH_CMP_0,
	ATOMIC_AND_FETCH_CMP_0, ATOMIC_OR_FETCH_CMP_0, ATOMIC_XOR_FETCH_CMP_0):
	New internal fns.
	* internal-fn.h (ATOMIC_OP_FETCH_CMP_0_EQ, ATOMIC_OP_FETCH_CMP_0_NE,
	ATOMIC_OP_FETCH_CMP_0_LT, ATOMIC_OP_FETCH_CMP_0_LE,
	ATOMIC_OP_FETCH_CMP_0_GT, ATOMIC_OP_FETCH_CMP_0_GE): New enumerators.
	* internal-fn.c (expand_ATOMIC_ADD_FETCH_CMP_0,
	expand_ATOMIC_SUB_FETCH_CMP_0, expand_ATOMIC_AND_FETCH_CMP_0,
	expand_ATOMIC_OR_FETCH_CMP_0, expand_ATOMIC_XOR_FETCH_CMP_0): New
	functions.
	* optabs.def (atomic_add_fetch_cmp_0_optab,
	atomic_sub_fetch_cmp_0_optab, atomic_and_fetch_cmp_0_optab,
	atomic_or_fetch_cmp_0_optab, atomic_xor_fetch_cmp_0_optab): New
	direct optabs.
	* builtins.h (expand_ifn_atomic_op_fetch_cmp_0): Declare.
	* builtins.c (expand_ifn_atomic_op_fetch_cmp_0): New function.
	* tree-ssa-ccp.c: Include internal-fn.h.
	(optimize_atomic_bit_test_and): Add . before internal fn call
	in function comment.  Change return type from void to bool and
	return true only if successfully replaced.
	(optimize_atomic_op_fetch_cmp_0): New function.
	(pass_fold_builtins::execute): Use optimize_atomic_op_fetch_cmp_0
	for BUILT_IN_ATOMIC_{ADD,SUB,AND,OR,XOR}_FETCH_{1,2,4,8,16} and
	BUILT_IN_SYNC_{ADD,SUB,AND,OR,XOR}_AND_FETCH_{1,2,4,8,16},
	for *XOR* ones only if optimize_atomic_bit_test_and failed.
	* config/i386/sync.md (atomic_<plusminus_mnemonic>_fetch_cmp_0<mode>,
	atomic_<logic>_fetch_cmp_0<mode>): New define_expand patterns.
	(atomic_add_fetch_cmp_0<mode>_1, atomic_sub_fetch_cmp_0<mode>_1,
	atomic_<logic>_fetch_cmp_0<mode>_1): New define_insn patterns.
	* doc/md.texi (atomic_add_fetch_cmp_0<mode>,
	atomic_sub_fetch_cmp_0<mode>, atomic_and_fetch_cmp_0<mode>,
	atomic_or_fetch_cmp_0<mode>, atomic_xor_fetch_cmp_0<mode>): Document
	new named patterns.

2022-01-03  Richard Biener  <rguenther@suse.de>

	PR middle-end/103851
	* tree-cfg.c (move_sese_region_to_fn): Always release SSA names.

2022-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR c++/94716
	* symtab.c: Include fold-const.h.
	(symtab_node::equal_address_to): If folding_initializer is true,
	handle it like memory_accessed.  Simplify.

2022-01-03  Martin Liska  <mliska@suse.cz>

	* doc/extend.texi: Use ; for function declarations.

2022-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR c++/103600
	* symtab.c (symtab_node::equal_address_to): Return 0 if one of
	VAR_DECLs has "non overlapping" attribute and rs1 != rs2.

2022-01-03  Jakub Jelinek  <jakub@redhat.com>

	* 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.

2022-01-02  Uroš Bizjak  <ubizjak@gmail.com>

	PR target/103861
	* config/i386/i386.h (VALID_SSE2_REG_MODE): Add V2QImode.
	(VALID_INT_MODE_P): Ditto.
	* config/i386/i386.c (ix86_secondary_reload): Handle
	V2QImode reloads from SSE register to memory.
	(vector_mode_supported_p): Always return true for V2QImode.
	* config/i386/i386.md (*subqi_ext<mode>_2): New insn pattern.
	(*negqi_ext<mode>_2): Ditto.
	* config/i386/mmx.md (movv2qi): New expander.
	(movmisalignv2qi): Ditto.
	(*movv2qi_internal): New insn pattern.
	(*pushv2qi2): Ditto.
	(negv2qi2 and splitters): Ditto.
	(<plusminus:insn>v2qi3 and splitters): Ditto.

2022-01-02  John David Anglin  <danglin@gcc.gnu.org>

	* config/pa/pa.md (atomic_storeq): Use optab_libfunc to access
	sync_lock_test_and_set libfunc. Call convert_memory_address to
	convert memory address to Pmode.
	(atomic_storehi, atomic_storesi, atomic_storedi): Likewise.


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