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GCC Administrator
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111
gcc/ChangeLog
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2024-07-23 Mark Harmstone <mark@harmstone.com>
* dwarf2codeview.cc (get_type_num_reference_type): Handle rvalue refs.
(get_type_num_array_type): Add DW_TAG_rvalue_reference_type to switch.
(get_type_num): Handle DW_TAG_rvalue_reference_type DIEs.
* dwarf2codeview.h (CV_PTR_MODE_RVREF): Define.
2024-07-23 Mark Harmstone <mark@harmstone.com>
* dwarf2codeview.cc (get_type_num_reference_type): New function.
(get_type_num_array_type): Add DW_TAG_reference_type to switch.
(get_type_num): Handle DW_TAG_reference_type DIEs.
* dwarf2codeview.h (CV_PTR_MODE_LVREF): Define.
2024-07-23 Vineet Gupta <vineetg@rivosinc.com>
* config/riscv/bitmanip.md: Fix splitter.
2024-07-23 Marek Polacek <polacek@redhat.com>
* doc/extend.texi: Add missing @option.
2024-07-23 Andi Kleen <ak@linux.intel.com>
PR c/83324
* doc/extend.texi: Document [[musttail]]
2024-07-23 Tobias Burnus <tburnus@baylibre.com>
* doc/install.texi (amdgcn-x-amdhsa): Suggest newer git version
for newlib.
2024-07-23 Jiufu Guo <guojiufu@linux.ibm.com>
PR target/96866
* config/rs6000/rs6000.cc (print_operand_address): Emit message for
unsupported operand.
2024-07-23 Richard Biener <rguenther@suse.de>
PR tree-optimization/116002
* tree-ssa-structalias.cc (topo_visit): Also consider
SCALAR = SCALAR complex constraints as edges.
2024-07-23 Jakub Jelinek <jakub@redhat.com>
Andrew Pinski <quic_apinski@quicinc.com>
PR tree-optimization/116034
* tree-ssa.cc (maybe_rewrite_mem_ref_base): Only use IMAGPART_EXPR
if MEM_REF offset is equal to element type size.
2024-07-23 Richard Biener <rguenther@suse.de>
PR rtl-optimization/116002
* cselib.cc (cselib_hash_rtx): Use inchash to get proper mixing.
Consistently avoid a zero return value when hashing successfully.
Consistently treat a zero hash value from recursing as fatal.
Use hashval_t where appropriate.
(cselib_hash_plus_const_int): Likewise.
(new_cselib_val): Use hashval_t.
(cselib_lookup_1): Likewise.
2024-07-23 liuhongt <hongtao.liu@intel.com>
* config/i386/i386.cc (ix86_hardreg_mov_ok): Relax mov subreg
to hard register after split1.
2024-07-23 Kewen Lin <linkw@linux.ibm.com>
PR target/115713
* config/rs6000/rs6000.cc (rs6000_inner_target_options): Update option
set information for rs6000_opt_vars.
2024-07-23 Kewen Lin <linkw@linux.ibm.com>
PR target/115713
* config/rs6000/rs6000.cc (rs6000_inner_target_options): Avoid to
enable altivec or disable avoid-indexed-addresses automatically
when they get specified explicitly.
2024-07-23 Kewen Lin <linkw@linux.ibm.com>
PR target/115713
* config/rs6000/rs6000.cc (rs6000_option_override_internal): Emit error
messages when explicit VSX encounters explicit soft-float, no-altivec
or avoid-indexed-addresses.
2024-07-23 Haochen Jiang <haochen.jiang@intel.com>
* config/i386/i386.md (prefetchi): Change to %a.
2024-07-23 Jeff Law <jlaw@ventanamicro.com>
PR rtl-optimization/115877
* ext-dce.cc (ext_dce_process_sets): Reasonably handle input/output
operands.
(ext_dce_rd_transfer_n): Drop bogus assertion.
2024-07-23 Pan Li <pan2.li@intel.com>
* config/riscv/iterators.md (ANYI_DOUBLE_TRUNC): Add new iterator
for int double truncation.
(ANYI_DOUBLE_TRUNCATED): Add new attr for int double truncation.
(anyi_double_truncated): Ditto but for lowercase.
* config/riscv/riscv-protos.h (riscv_expand_ustrunc): Add new
func decl for expanding ustrunc
* config/riscv/riscv.cc (riscv_expand_ustrunc): Add new func
impl to expand ustrunc.
* config/riscv/riscv.md (ustrunc<mode><anyi_double_truncated>2): Impl
the new pattern ustrunc<m><n>2 for int.
2024-07-22 Jan Hubicka <hubicka@ucw.cz>
PR ipa/109985

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gcc/DATESTAMP
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20240723
20240724

5
gcc/c-family/ChangeLog
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2024-07-23 Andi Kleen <ak@linux.intel.com>
* c-attribs.cc (set_musttail_on_return): New function.
* c-common.h (set_musttail_on_return): Declare new function.
2024-07-20 Andi Kleen <ak@gcc.gnu.org>
Revert:

13
gcc/c/ChangeLog
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@@ -1,3 +1,16 @@
2024-07-23 Andi Kleen <ak@linux.intel.com>
PR c/83324
* c-parser.cc (struct attr_state): Define with musttail_p.
(c_parser_statement_after_labels): Handle [[musttail]].
(c_parser_std_attribute): Dito.
(c_parser_handle_musttail): Dito.
(c_parser_compound_statement_nostart): Dito.
(c_parser_all_labels): Dito.
(c_parser_statement): Dito.
* c-tree.h (c_finish_return): Add musttail_p flag.
* c-typeck.cc (c_finish_return): Handle musttail_p flag.
2024-07-20 Andi Kleen <ak@gcc.gnu.org>
Revert:

45
gcc/cp/ChangeLog
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2024-07-23 Andi Kleen <ak@linux.intel.com>
PR c/83324
* cp-tree.h (AGGR_INIT_EXPR_MUST_TAIL): Add.
* parser.cc (cp_parser_statement): Handle musttail.
(cp_parser_jump_statement): Dito.
* pt.cc (tsubst_expr): Copy CALL_EXPR_MUST_TAIL_CALL.
* semantics.cc (simplify_aggr_init_expr): Handle musttail.
2024-07-23 Patrick Palka <ppalka@redhat.com>
PR c++/115656
* constraint.cc (weakly_subsumes): Pass in_decl=tmpl to
get_normalized_constraints_from_info. Rename to ...
(ttp_subsumes): ... this.
* cp-tree.h (weakly_subsumes): Rename to ...
(ttp_subsumes): ... this.
* pt.cc (is_compatible_template_arg): Adjust after renaming.
2024-07-23 Patrick Palka <ppalka@redhat.com>
PR c++/115296
* pt.cc (alias_ctad_tweaks): Use complain=tf_none instead of
tf_warning_or_error.
2024-07-23 Jakub Jelinek <jakub@redhat.com>
* cp-tree.def (CHECK_CONSTR): Remove.
* cp-tree.h (CHECK_CONSTR_CONCEPT, CHECK_CONSTR_ARGS): Remove.
* cp-objcp-common.cc (cp_common_init_ts): Don't handle CHECK_CONSTR.
* tree.cc (cp_tree_equal): Likewise.
* error.cc (dump_expr): Likewise.
* cxx-pretty-print.cc (cxx_pretty_printer::expression): Likewise.
(pp_cxx_check_constraint): Remove.
(pp_cxx_constraint): Don't handle CHECK_CONSTR.
2024-07-23 Patrick Palka <ppalka@redhat.com>
PR c++/104981
PR c++/115550
* coroutines.cc (morph_fn_to_coro): Remove unneeded calls
to convert_to_reference and convert_from_reference when
passing *this. Use cp_build_fold_indirect_ref instead
of directly building INDIRECT_REF.
2024-07-22 Jakub Jelinek <jakub@redhat.com>
* cp-tree.def (UNARY_LEFT_FOLD_EXPR): Use FOLD_EXPR_MODIFY_P instead

45
gcc/m2/ChangeLog
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2024-07-23 Gaius Mulley <gaiusmod2@gmail.com>
PR modula2/116048
* Make-lang.in (GM2-COMP-BOOT-DEFS): Add M2StateCheck.def.
(GM2-COMP-BOOT-MODS): Add M2StateCheck.mod.
(GM2-COMP-DEFS): Add M2StateCheck.def.
(GM2-COMP-MODS): Add M2StateCheck.mod.
* gm2-compiler/M2Quads.mod (StartBuildWith): Generate
unrecoverable error is the qualident type is NulSym.
Replace MetaError1 with MetaErrorT1 and position the error
to the qualident.
* gm2-compiler/P3Build.bnf (M2StateCheck): Import procedures.
(seenError): New variable.
(WasNoError): Remove variable.
(BlockState): New variable.
(ErrorString): Rewrite using seenError.
(CompilationUnit): Ditto.
(QualidentCheck): New rule.
(ConstantDeclaration): Bookend with InclConst and ExclConst.
(Constructor): Add InclConstructor, ExclConstructor and call
CheckQualident.
(ConstActualParameters): Call PushState, PopState, InclConstFunc
and CheckQualident.
(TypeDeclaration): Bookend with InclType and ExclType.
(SimpleType): Call QualidentCheck.
(CaseTag): Ditto.
(OptReturnType): Ditto.
(VariableDeclaration): Bookend with InclVar and ExclVar.
(Designator): Call QualidentCheck.
(Formal;Type): Ditto.
* gm2-compiler/PCBuild.bnf (M2StateCheck): Import procedures.
(ConstantDeclaration): Rewrite using InclConst and ExclConst.
(Constructor): Bookend with InclConstructor and ExclConstructor.
Call CheckQualident.
(ConstructorOrConstActualParameters): Rewrite and cal
l CheckQualident.
(ConstActualParameters): Bookend with PushState PopState.
Call InclConstFunc and CheckQualident.
* gm2-gcc/init.cc (_M2_M2StateCheck_init): New declaration.
(_M2_P3Build_init): New declaration.
(init_PerCompilationInit): Call _M2_M2StateCheck_init and
_M2_P3Build_init.
* gm2-compiler/M2StateCheck.def: New file.
* gm2-compiler/M2StateCheck.mod: New file.
2024-07-16 Gaius Mulley <gaiusmod2@gmail.com>
PR modula2/115957

114
gcc/testsuite/ChangeLog
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@@ -1,3 +1,117 @@
2024-07-23 Andi Kleen <ak@linux.intel.com>
* lib/target-supports.exp:
(check_effective_target_struct_tail_call): New function.
* c-c++-common/musttail1.c: New test.
* c-c++-common/musttail12.c: New test.
* c-c++-common/musttail13.c: New test.
* c-c++-common/musttail2.c: New test.
* c-c++-common/musttail3.c: New test.
* c-c++-common/musttail4.c: New test.
* c-c++-common/musttail5.c: New test.
* c-c++-common/musttail7.c: New test.
* c-c++-common/musttail8.c: New test.
* g++.dg/musttail10.C: New test.
* g++.dg/musttail11.C: New test.
* g++.dg/musttail6.C: New test.
* g++.dg/musttail9.C: New test.
2024-07-23 Patrick Palka <ppalka@redhat.com>
PR c++/115656
* g++.dg/cpp2a/concepts-ttp7.C: New test.
2024-07-23 Patrick Palka <ppalka@redhat.com>
PR c++/115296
* g++.dg/cpp2a/class-deduction-alias23.C: New test.
2024-07-23 Gaius Mulley <gaiusmod2@gmail.com>
PR modula2/116048
* gm2/errors/fail/errors-fail.exp: Remove -Wstudents
and add -Wuninit-variable-checking=all.
Replace gm2_init_pim with gm2_init_iso.
* gm2/errors/fail/testfio.mod: Modify test code to
provoke an error in the first basic block.
* gm2/errors/fail/testparam.mod: Ditto.
* gm2/errors/fail/array1.mod: Ditto.
* gm2/errors/fail/badtype.mod: New test.
* gm2/errors/fail/badvar.mod: New test.
2024-07-23 Arsen Arsenović <arsen@aarsen.me>
PR c++/103953
* g++.dg/coroutines/torture/pr103953.C: New test.
2024-07-23 Jiufu Guo <guojiufu@linux.ibm.com>
PR target/96866
* gcc.target/powerpc/pr96866-1.c: New test.
* gcc.target/powerpc/pr96866-2.c: New test.
2024-07-23 Torbjörn SVENSSON <torbjorn.svensson@foss.st.com>
PR testsuite/115826
* gcc.dg/vect/tsvc/vect-tsvc-s1281.c: Use -fno-finite-math-only.
2024-07-23 Jakub Jelinek <jakub@redhat.com>
Andrew Pinski <quic_apinski@quicinc.com>
PR tree-optimization/116034
* gcc.dg/pr116034.c: New test.
2024-07-23 liuhongt <hongtao.liu@intel.com>
* g++.target/i386/pr115982.C: New test.
2024-07-23 Kewen Lin <linkw@linux.ibm.com>
PR target/115713
* gcc.target/powerpc/pr115713-2.c: New test.
2024-07-23 Kewen Lin <linkw@linux.ibm.com>
PR target/115713
* gcc.target/powerpc/pr115713-1.c: New test.
* gcc.target/powerpc/ppc-target-4.c: Adjust by specifying altivec
in target attribute.
2024-07-23 Kewen Lin <linkw@linux.ibm.com>
PR target/115713
* gcc.target/powerpc/warn-1.c: Move to ...
* gcc.target/powerpc/error-1.c: ... here. Adjust dg-warning with
dg-error and remove ineffective scan.
2024-07-23 Haochen Jiang <haochen.jiang@intel.com>
* gcc.target/i386/prefetchi-1.c: Check (%rip).
2024-07-23 Alexandre Oliva <oliva@adacore.com>
PR target/106069
* g++.target/powerpc/pr106069.C: Reorder dg directives.
2024-07-23 Patrick Palka <ppalka@redhat.com>
PR c++/104981
PR c++/115550
* g++.dg/coroutines/pr104981-preview-this.C: New test.
* g++.dg/coroutines/pr115550-preview-this.C: New test.
2024-07-23 Pan Li <pan2.li@intel.com>
* gcc.target/riscv/sat_arith.h: Add test helper macro.
* gcc.target/riscv/sat_arith_data.h: New test.
* gcc.target/riscv/sat_u_trunc-1.c: New test.
* gcc.target/riscv/sat_u_trunc-2.c: New test.
* gcc.target/riscv/sat_u_trunc-3.c: New test.
* gcc.target/riscv/sat_u_trunc-run-1.c: New test.
* gcc.target/riscv/sat_u_trunc-run-2.c: New test.
* gcc.target/riscv/sat_u_trunc-run-3.c: New test.
* gcc.target/riscv/scalar_sat_unary.h: New test.
2024-07-22 Jan Hubicka <hubicka@ucw.cz>
PR ipa/111613

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libstdc++-v3/ChangeLog
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2024-07-23 Jonathan Wakely <jwakely@redhat.com>
* src/c++23/print.cc (__open_terminal): Use [[maybe_unused]] on
parameter.
2024-07-23 Detlef Vollmann <dv@vollmann.ch>
PR libstdc++/115482
* src/c++23/print.cc (__open_terminal) [__AVR__]: Do not use
isatty.
2024-07-18 Patrick Palka <ppalka@redhat.com>
* include/experimental/socket