+2022-07-05 Andrew MacLeod <amacleod@redhat.com>
+
+ * value-relation.cc (relation_to_code): New vector.
+ (relation_oracle::validate_relation): New.
+ (set_relation): Allow ssa1 == ssa2 to be registered.
+ * value-relation.h (validate_relation): New prototype.
+ (query_relation): Make internal variant protected.
+
+2022-07-05 Roger Sayle <roger@nextmovesoftware.com>
+
+ * config/i386/i386.cc (ix86_rtx_costs) <COMPARE>: Provide costs
+ for double word comparisons and tests (comparisons against zero).
+ * config/i386/i386.md (*test<mode>_not_doubleword): Split DWI
+ and;cmp into andn;cmp $0 as a pre-reload splitter.
+ (*andn<dwi>3_doubleword_bmi): Use <dwi> instead of <mode> in name.
+ (*<any_or><dwi>3_doubleword): Likewise.
+
+2022-07-05 Roger Sayle <roger@nextmovesoftware.com>
+ Hongtao Liu <hongtao.liu@intel.com>
+
+ * config/i386/i386-builtin.def (__builtin_ia32_palignr128): Change
+ CODE_FOR_ssse3_palignrti to CODE_FOR_ssse3_palignrv1ti.
+ * config/i386/i386-expand.cc (expand_vec_perm_palignr): Use V1TImode
+ and gen_ssse3_palignv1ti instead of TImode.
+ * config/i386/sse.md (SSESCALARMODE): Delete.
+ (define_mode_attr ssse3_avx2): Handle V1TImode instead of TImode.
+ (<ssse3_avx2>_palignr<mode>): Use VIMAX_AVX2_AVX512BW as a mode
+ iterator instead of SSESCALARMODE.
+ (ssse3_palignrdi): Optimize cases where operands[3] is 0 or 64,
+ using a single move instruction (if required).
+
+2022-07-05 Roger Sayle <roger@nextmovesoftware.com>
+ Uroš Bizjak <ubizjak@gmail.com>
+
+ PR rtl-optimization/96692
+ * config/i386/i386.md (define_split): Split ((A | B) ^ C) ^ D
+ as (X & ~Y) ^ Z on target BMI when either C or D is A or B.
+
+2022-07-05 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/106198
+ * tree-cfgcleanup.cc (repair_loop_structures): Always do a
+ full LC SSA rewrite but only if any blocks changed loop
+ depth.
+
+2022-07-05 Richard Biener <rguenther@suse.de>
+
+ * tree-ssa-loop-manip.cc (find_uses_to_rename_def): Remove.
+ (find_uses_to_rename_in_loop): Likewise.
+ (rewrite_into_loop_closed_ssa_1): Remove loop parameter and
+ uses.
+ (rewrite_into_loop_closed_ssa): Adjust.
+
+2022-07-05 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/106186
+ * tree-ssa-propagate.cc (clean_up_loop_closed_phi):
+ Properly handle virtual PHI nodes.
+
+2022-07-05 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/106196
+ * tree-vect-stmts.cc (vect_finish_stmt_generation): Properly
+ handle aggregate returns of calls for VDEF updates.
+
+2022-07-05 Richard Biener <rguenther@suse.de>
+
+ * tree-vect-loop-manip.cc (vect_set_loop_condition_normal):
+ Maintain LC SSA.
+
+2022-07-05 Richard Sandiford <richard.sandiford@arm.com>
+
+ * tree-vect-patterns.cc (vect_convert_input): Expect the input
+ type to be signed for optab_vector_mixed_sign. Update the vectype
+ at the same time as type.
+ (vect_recog_dot_prod_pattern): Update accordingly. If usdot isn't
+ available, try sdot instead.
+ * tree-vect-loop.cc (vect_is_emulated_mixed_dot_prod): New function.
+ (vect_model_reduction_cost): Model the cost of implementing usdot
+ using sdot.
+ (vectorizable_reduction): Likewise. Skip target support test
+ for lane reductions.
+ (vect_emulate_mixed_dot_prod): New function.
+ (vect_transform_reduction): Use it to emulate usdot via sdot.
+
+2022-07-05 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/106182
+ * loop-init.cc (fix_loop_structure): Return the number
+ of newly discovered plus the number of deleted loops.
+ * tree-cfgcleanup.cc (repair_loop_structures): Adjust
+ variable name.
+
2022-07-04 Aldy Hernandez <aldyh@redhat.com>
* gimple-range-fold.cc
+2022-07-05 Piotr Trojanek <trojanek@adacore.com>
+
+ * doc/gnat_ugn/building_executable_programs_with_gnat.rst
+ (Warning Message Control): Update description of switch -gnatwj.
+ * gnat_ugn.texi: Regenerate.
+ * sem_ch10.adb (Analyze_With_Clause): Warn on WITH clauses for
+ obsolete renamed units; in Ada 83 mode do not consider
+ predefined renamings to be obsolete.
+
+2022-07-05 Eric Botcazou <ebotcazou@adacore.com>
+
+ * exp_util.adb (Make_Subtype_From_Expr): Do not set field to Empty.
+ * sem_util.adb (Visit_Itype): Remove ??? comment.
+
+2022-07-05 Piotr Trojanek <trojanek@adacore.com>
+
+ * sem_attr.adb (Note_Possible_Modification): Revert a
+ special-case for validity checks on Long_Float type.
+ * snames.ads-tmpl (Name_Attr_Long_Float): Remove name added
+ exclusively for the mentioned fix.
+
+2022-07-05 Piotr Trojanek <trojanek@adacore.com>
+
+ * sem_ch6.adb (Set_Formal_Mode): Remove unnecessary setting of
+ Never_Set_In_Source.
+
+2022-07-05 Piotr Trojanek <trojanek@adacore.com>
+
+ * sem_ch6.adb (Process_Formals): Avoid repeated calls to
+ Expression.
+
+2022-07-05 Piotr Trojanek <trojanek@adacore.com>
+
+ * exp_code.adb (Setup_Asm_IO_Args): Remove guard against No_List.
+ * par_sco.adb (Process_Decisions): Likewise.
+ * sem_ch13.adb (Check_Component_List): Likewise.
+ * sem_ch6.adb (FCL): Likewise.
+
+2022-07-05 Doug Rupp <rupp@adacore.com>
+
+ * cstreams.c (__gnat_full_name) [QNX]: Remove block.
+
+2022-07-05 Piotr Trojanek <trojanek@adacore.com>
+
+ * osint.adb (Locate_File): Use Name_Find with a parameter and
+ not with a global buffer.
+
+2022-07-05 Piotr Trojanek <trojanek@adacore.com>
+
+ * exp_ch3.adb (Build_Init_Statements): Reuse Get_Pragma_Arg.
+ * exp_prag.adb (Arg_N): Likewise.
+
+2022-07-05 Yannick Moy <moy@adacore.com>
+
+ * ghost.adb (Is_OK_Ghost_Context): Detect ghost type inside object
+ renaming.
+
+2022-07-05 Bob Duff <duff@adacore.com>
+
+ * exp_ch7.adb: Change two constants Is_Protected_Body and
+ Is_Prot_Body to be Is_Protected_Subp_Body; these are not true
+ for protected bodies, but for protected subprogram bodies.
+ (Expand_Cleanup_Actions): No need to search for
+ Activation_Chain_Entity; just use Activation_Chain_Entity.
+ * sem_ch8.adb (Find_Direct_Name): Use Entyp constant.
+ * atree.adb, atree.ads, atree.h, nlists.adb, nlists.ads
+ (Parent): Provide nonoverloaded versions of Parent, so that they
+ can be easily found in the debugger.
+ * debug_a.adb, debug_a.ads: Clarify that we're talking about the
+ -gnatda switch; switches are case sensitive. Print out the
+ Chars field if appropriate, which makes it easier to find things
+ in the output.
+ (Debug_Output_Astring): Simplify. Also fix an off-by-one
+ bug ("for I in Vbars'Length .." should have been "for I in
+ Vbars'Length + 1 .."). Before, it was printing Debug_A_Depth +
+ 1 '|' characters if Debug_A_Depth > Vbars'Length.
+
+2022-07-05 Piotr Trojanek <trojanek@adacore.com>
+
+ * sem_prag.adb (Analyze_Pragma): Remove unnecessary call to
+ Analyze.
+
+2022-07-05 Piotr Trojanek <trojanek@adacore.com>
+
+ * libgnat/g-socket.adb (Raise_Host_Error): Add No_Return aspect.
+ (Raise_GAI_Error): Likewise.
+ * libgnat/g-socket.ads (Raise_Socket_Error): Likewise.
+
+2022-07-05 Piotr Trojanek <trojanek@adacore.com>
+
+ * sem_util.adb (Aggregate_Constraint_Checks): Fix whitespace;
+ refactor repeated code; replace a ??? comment with an
+ explanation based on the comment for the routine spec.
+
+2022-07-05 Piotr Trojanek <trojanek@adacore.com>
+
+ * sem_util.ads (Note_Possible_Modification): Fix occurrence of
+ May_Be_Modified in comment.
+ * sem_warn.ads (Check_Unset_Reference): Fix occurrence of
+ Not_Assigned in comment.
+
+2022-07-05 Yannick Moy <moy@adacore.com>
+
+ * sem_attr.adb (Analyze_Attribute): Take into account the
+ possibility of homonyms.
+
+2022-07-05 Eric Botcazou <ebotcazou@adacore.com>
+
+ * exp_ch3.adb (Expand_N_Object_Declaration): Rewrite as a renaming
+ for any nonaliased local object with nominal unconstrained subtype
+ originally initialized with the result of a function call that has
+ been rewritten as the dereference of a reference to the result.
+ * sem_ch3.adb (Analyze_Object_Declaration): Do not do it here
+
+2022-07-05 Arnaud Charlet <charlet@adacore.com>
+
+ * exp_imgv.adb (Build_Enumeration_Image_Tables): Also disable
+ perfect hash in GNAT_Mode.
+ * raise-gcc.c (__gnat_Unwind_RaiseException): Add support for
+ disabling exception propagation.
+ * sem_eval.adb (Compile_Time_Known_Value): Update comment and
+ remove wrong call to Check_Error_Detected.
+ * sem_prag.adb (Check_Loop_Pragma_Grouping, Analyze_Pragma):
+ Remove exception propagation during bootstrap.
+
+2022-07-05 Eric Botcazou <ebotcazou@adacore.com>
+
+ * exp_aggr.adb (Expand_Array_Aggregate): Remove obsolete code.
+ Delay the expansion of aggregates initializing return objects of
+ build-in-place functions.
+ * exp_ch3.ads (Ensure_Activation_Chain_And_Master): Delete.
+ * exp_ch3.adb (Ensure_Activation_Chain_And_Master): Fold back to...
+ (Expand_N_Object_Declaration): ...here.
+ Perform the expansion of return objects of build-in-place functions
+ here instead of...
+ * exp_ch6.ads (Is_Build_In_Place_Return_Object): Declare.
+ * exp_ch6.adb (Expand_N_Extended_Return_Statement): ...here.
+ (Is_Build_In_Place_Result_Type): Alphabetize.
+ (Is_Build_In_Place_Return_Object): New predicate.
+ * exp_ch7.adb (Enclosing_Function): Delete.
+ (Process_Object_Declaration): Tidy up handling of return objects.
+ * sem_ch3.adb (Analyze_Object_Declaration): Do not decorate and
+ freeze the actual type if it is the same as the nominal type.
+ * sem_ch6.adb: Remove use and with clauses for Exp_Ch3.
+ (Analyze_Function_Return): Analyze again all return objects.
+ (Create_Extra_Formals): Do not force the definition of an Itype
+ if the subprogram is a compilation unit.
+
+2022-07-05 Piotr Trojanek <trojanek@adacore.com>
+
+ * gnatls.adb (Corresponding_Sdep_Entry): Remove dead return
+ statement in defensive path; there is another return statement
+ for a normal execution of this routine, so rule Ada RM 6.5(5),
+ which requires function to have at least one return statement is
+ still satisfied.
+ (Gnatls): Remove dead, call to nonreturning Exit_Program after
+ Output_License_Information which itself does not return.
+ * libgnat/a-exstat.adb (Bad_EO): Remove raise statement that was
+ meant to please some ancient version of GNAT.
+ * libgnat/g-awk.adb (Raise_With_Info): Likewise.
+ * sem_attr.adb (Check_Reference): Remove dead return statement;
+ rule Ada RM 6.5(5), which requires function to have at least one
+ return statement is still satisfied.
+ (Analyze_Attribute): Remove dead exit statement.
+ (Check_Reference): Same as above.
+ * sem_ch12.adb (Instantiate_Formal_Package): Remove dead raise
+ statement; it was inconsistent with other calls to
+ Abandon_Instantiation, which are not followed by a raise
+ statement.
+ * sem_prag.adb (Process_Convention): Remove dead defensive
+ assignment.
+ (Interrupt_State): Remove dead defensive exit statement.
+ (Do_SPARK_Mode): Likewise.
+ * sfn_scan.adb (Scan_String): Remove dead defensive assignment.
+
+2022-07-05 Piotr Trojanek <trojanek@adacore.com>
+
+ * sem_attr.adb, sem_prag.adb: Remove dead return statements
+ after calls to Error_Attr, Error_Pragma, Error_Pragma_Arg and
+ Placement_Error. All these calls raise exceptions that are
+ handled to gently recover from errors.
+
+2022-07-05 Doug Rupp <rupp@adacore.com>
+
+ * libgnat/system-vxworks-ppc-kernel.ads (Word_Size): Compute
+ based on Standard'Word_Size.
+ (Memory_Size): Compute based on Word_Size.
+ * libgnat/system-vxworks-ppc-rtp-smp.ads: Likewise.
+ * libgnat/system-vxworks-ppc-rtp.ads: Likewise.
+
+2022-07-05 Piotr Trojanek <trojanek@adacore.com>
+
+ * sem_attr.adb (Analyze_Attribute): Move call to
+ Set_Address_Taken so that it is executed when the prefix
+ attribute is legal.
+
+2022-07-05 Piotr Trojanek <trojanek@adacore.com>
+
+ * sem_ch5.adb (Check_Unreachable_Code): Avoid explicit use of
+ Sloc; this should also help when we finally use Source_Span for
+ prettier error messages.
+
+2022-07-05 Piotr Trojanek <trojanek@adacore.com>
+
+ * sem_ch5.adb (Check_Unreachable_Code): Remove redundant guard;
+ the call to Present wasn't needed either.
+
+2022-07-05 Piotr Trojanek <trojanek@adacore.com>
+
+ * sem_ch5.adb (Analyze_Block_Statement): Call to List_Length with
+ No_List is safe and will return zero.
+
+2022-07-05 Piotr Trojanek <trojanek@adacore.com>
+
+ * sem_ch6.adb (Check_Missing_Return): Add reference to an RM rule.
+
+2022-07-05 Piotr Trojanek <trojanek@adacore.com>
+
+ * sem_ch6.adb (Check_Missing_Return): Remove outdated comment.
+
+2022-07-05 Dmitriy Anisimkov <anisimko@adacore.com>
+
+ * adaint.h (convert_addresses): Remove function declaration.
+
+2022-07-05 Doug Rupp <rupp@adacore.com>
+
+ * Makefile.rtl (*vxworks*): Remove most pre-vxworks7 code.
+ * vxworks-arm-link.spec: Remove.
+ * vxworks-e500-link.spec: Likewise.
+ * vxworks-smp-arm-link.spec: Likewise.
+ * vxworks-smp-e500-link.spec: Likewise.
+ * vxworks-smp-x86-link.spec: Likewise.
+ * libgnat/system-vxworks-arm-rtp-smp.ads: Likewise.
+ * libgnat/system-vxworks-arm-rtp.ads: Likewise.
+ * libgnat/system-vxworks-arm.ads: Likewise.
+ * libgnat/system-vxworks-e500-kernel.ads: Likewise.
+ * libgnat/system-vxworks-e500-rtp-smp.ads: Likewise.
+ * libgnat/system-vxworks-e500-rtp.ads: Likewise.
+ * libgnat/system-vxworks-x86-kernel.ads: Likewise.
+ * libgnat/system-vxworks-x86-rtp-smp.ads: Likewise.
+ * libgnat/system-vxworks-x86-rtp.ads: Likewise.
+
2022-07-04 Eric Botcazou <ebotcazou@adacore.com>
* sem_disp.adb (Check_Dispatching_Call): Merge the two special cases
+2022-07-05 Marek Polacek <polacek@redhat.com>
+
+ PR c++/105626
+ * g++.dg/warn/Wformat-char8_t-1.C: New test.
+
+2022-07-05 Roger Sayle <roger@nextmovesoftware.com>
+
+ * gcc.target/i386/testnot-3.c: New test case.
+
+2022-07-05 Roger Sayle <roger@nextmovesoftware.com>
+ Hongtao Liu <hongtao.liu@intel.com>
+
+ * gcc.target/i386/ssse3-palignr-2.c: New test case.
+
+2022-07-05 Roger Sayle <roger@nextmovesoftware.com>
+ Uroš Bizjak <ubizjak@gmail.com>
+
+ PR rtl-optimization/96692
+ * gcc.target/i386/bmi-andn-4.c: New test case.
+
+2022-07-05 Nathan Sidwell <nathan@acm.org>
+
+ * g++.dg/modules/loc-prune-1.C: Adjust.
+ * g++.dg/modules/loc-prune-4.C: New.
+ * g++.dg/modules/pr98718_a.C: Adjust.
+ * g++.dg/modules/pr98718_b.C: Adjust.
+ * g++.dg/modules/pr99072.H: Adjust.
+
+2022-07-05 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/106198
+ * gcc.dg/pr106198.c: New testcase.
+
+2022-07-05 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/106196
+ * gcc.dg/torture/pr106196.c: New testcase.
+
+2022-07-05 Alexandre Oliva <oliva@adacore.com>
+
+ * lib/target-supports.exp (check_effective_target_two_plus_gigs):
+ Fix array element type. Reported by Hans-Peter Nilsson.
+
+2022-07-05 Piotr Trojanek <trojanek@adacore.com>
+
+ * gnat.dg/renaming1.adb: Update WITH clause.
+ * gnat.dg/renaming1.ads: Likewise.
+ * gnat.dg/warn29.adb: Likewise.
+
+2022-07-05 Richard Sandiford <richard.sandiford@arm.com>
+
+ * gcc.dg/vect/vect-reduc-dot-9.c: Reduce target requirements
+ from i8mm to dotprod.
+ * gcc.dg/vect/vect-reduc-dot-10.c: Likewise.
+ * gcc.dg/vect/vect-reduc-dot-11.c: Likewise.
+ * gcc.dg/vect/vect-reduc-dot-12.c: Likewise.
+ * gcc.dg/vect/vect-reduc-dot-13.c: Likewise.
+ * gcc.dg/vect/vect-reduc-dot-14.c: Likewise.
+ * gcc.dg/vect/vect-reduc-dot-15.c: Likewise.
+ * gcc.dg/vect/vect-reduc-dot-16.c: Likewise.
+ * gcc.dg/vect/vect-reduc-dot-17.c: Likewise.
+ * gcc.dg/vect/vect-reduc-dot-18.c: Likewise.
+ * gcc.dg/vect/vect-reduc-dot-19.c: Likewise.
+ * gcc.dg/vect/vect-reduc-dot-20.c: Likewise.
+ * gcc.dg/vect/vect-reduc-dot-21.c: Likewise.
+ * gcc.dg/vect/vect-reduc-dot-22.c: Likewise.
+
+2022-07-05 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/106182
+ * gcc.dg/torture/pr106182.c: New testcase.
+
2022-07-05 Hans-Peter Nilsson <hp@axis.com>
* gcc.dg/analyzer/allocation-size-1.c,
projects / platform / upstream / gcc.git / commitdiff