[Bug fortran/46752] OpenMP - Seg fault for unallocated allocatable array in firstprivate clause

jakub at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Tue Aug 2 16:14:00 GMT 2011


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46752

--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-08-02 16:13:35 UTC ---
Author: jakub
Date: Tue Aug  2 16:13:29 2011
New Revision: 177194

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=177194
Log:
Merge from gomp-3_1-branch branch:

2011-08-02  Jakub Jelinek  <jakub@redhat.com>

gcc/
    * c-parser.c (enum c_parser_prec): New enum, moved from within
    c_parser_binary_expression.
    (c_parser_binary_expression): Add PREC argument.  Stop parsing
    if operator has lower or equal precedence than PREC.
    (c_parser_conditional_expression, c_parser_omp_for_loop): Adjust
    callers.
    (c_parser_omp_atomic): Handle parsing OpenMP 3.1 atomics.
    Adjust c_finish_omp_atomic caller.
    (c_parser_omp_taskyield): New function.
    (c_parser_pragma): Handle PRAGMA_OMP_TASKYIELD.
    (c_parser_omp_clause_name): Handle final and mergeable clauses.
    (c_parser_omp_clause_final, c_parser_omp_clause_mergeable): New
    functions.
    (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_FINAL
    and PRAGMA_OMP_CLAUSE_MERGEABLE.
    (OMP_TASK_CLAUSE_MASK): Allow final and mergeable clauses.
    (c_parser_omp_clause_reduction): Handle min and max.
    * c-typeck.c (c_finish_omp_clauses): Don't complain about
    const qualified predetermined vars in firstprivate clause.
    andle OMP_CLAUSE_FINAL and OMP_CLAUSE_MERGEABLE.
    Handle MIN_EXPR and MAX_EXPR.
    * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_FINAL
    and OMP_CLAUSE_MERGEABLE.
    (dump_generic_node): Handle OMP_ATOMIC_READ, OMP_ATOMIC_CAPTURE_OLD
    and OMP_ATOMIC_CAPTURE_NEW.
    * tree.c (omp_clause_num_ops): Add OMP_CLAUSE_FINAL and
    OMP_CLAUSE_MERGEABLE.
    (omp_clause_code_name): Likewise.
    (walk_tree_1): Handle OMP_CLAUSE_FINAL and OMP_CLAUSE_MERGEABLE.
    * tree.h (enum omp_clause_code): Add OMP_CLAUSE_FINAL
    and OMP_CLAUSE_MERGEABLE.
    (OMP_CLAUSE_FINAL_EXPR): Define.
    * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_FINAL and
    OMP_CLAUSE_MERGEABLE.
    (expand_task_call): Likewise.
    (expand_omp_atomic_load, expand_omp_atomic_store): New functions.
    (expand_omp_atomic_fetch_op): Handle cases where old or new
    value is needed afterwards.
    (expand_omp_atomic): Call expand_omp_atomic_load resp.
    expand_omp_atomic_store.
    * gimplify.c (gimplify_omp_atomic, gimplify_expr): Handle
    OMP_ATOMIC_READ, OMP_ATOMIC_CAPTURE_OLD and OMP_ATOMIC_CAPTURE_NEW.
    (gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses): Handle
    OMP_CLAUSE_FINAL and OMP_CLAUSE_MERGEABLE.
    * tree-nested.c (convert_nonlocal_omp_clauses,
    convert_local_omp_clauses): Likewise.
    * tree.def (OMP_ATOMIC_READ, OMP_ATOMIC_CAPTURE_OLD,
    OMP_ATOMIC_CAPTURE_NEW): New.
    * gimple.h (GF_OMP_ATOMIC_NEED_VALUE): New.
    (gimple_omp_atomic_need_value_p, gimple_omp_atomic_set_need_value):
    New inlines.
    * omp-builtins.def (BUILT_IN_GOMP_TASKYIELD): New builtin.
    * doc/generic.texi: Mention OMP_CLAUSE_COLLAPSE,
    OMP_CLAUSE_UNTIED, OMP_CLAUSE_FINAL and OMP_CLAUSE_MERGEABLE.
gcc/c-family/
    * c-common.h (c_finish_omp_atomic): Adjust prototype.
    (c_finish_omp_taskyield): New prototype.
    * c-omp.c (c_finish_omp_atomic): Add OPCODE, V, LHS1 and RHS1
    arguments. Handle OMP_ATOMIC_READ, OMP_ATOMIC_CAPTURE_OLD and
    OMP_ATOMIC_CAPTURE_NEW in addition to OMP_ATOMIC.  If LHS1
    or RHS1 have side-effects, evaluate those too in the right spot,
    if it is a decl and LHS is also a decl, error out if they
    aren't the same.
    (c_finish_omp_taskyield): New function.
    * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP to 201107.
    * c-pragma.c (omp_pragmas): Add taskyield.
    * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_TASKYIELD.
    (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_FINAL and
    PRAGMA_OMP_CLAUSE_MERGEABLE.
gcc/cp/
    * cp-tree.h (finish_omp_atomic): Adjust prototype.
    (cxx_omp_const_qual_no_mutable): New prototype.
    (finish_omp_taskyield): New prototype.
    * parser.c (cp_parser_omp_atomic): (cp_parser_omp_atomic): Handle
    parsing OpenMP 3.1 atomics.  Adjust finish_omp_atomic caller.
    (cp_parser_omp_clause_name): Handle final and mergeable clauses.
    (cp_parser_omp_clause_final, cp_parser_omp_clause_mergeable): New
    functions.
    (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_FINAL
    and PRAGMA_OMP_CLAUSE_MERGEABLE.
    (OMP_TASK_CLAUSE_MASK): Allow final and mergeable clauses.
    (cp_parser_omp_taskyield): New function.
    (cp_parser_pragma): Handle PRAGMA_OMP_TASKYIELD.
    (cp_parser_omp_clause_reduction): Handle min and max.
    * pt.c (tsubst_expr) <case OMP_ATOMIC>: Handle OpenMP 3.1 atomics.
    (tsubst_omp_clauses): Handle OMP_CLAUSE_FINAL and
    OMP_CLAUSE_MERGEABLE.
    * semantics.c (finish_omp_atomic): Add OPCODE, V, LHS1 and RHS1
    arguments.  Handle OpenMP 3.1 atomics.  Adjust c_finish_omp_atomic
    caller.
    (finish_omp_clauses): Don't complain about const qualified
    predetermined vars and static data members in firstprivate clause.
    Handle OMP_CLAUSE_FINAL and OMP_CLAUSE_MERGEABLE. Handle MIN_EXPR
    and MAX_EXPR.
    (finish_omp_taskyield): New function.
    * cp-gimplify.c (cxx_omp_const_qual_no_mutable): New function.
    (cxx_omp_predetermined_sharing): Use it.
gcc/fortran/
    PR fortran/46752
    * cpp.c (cpp_define_builtins): Change _OPENMP to 201107.
    * openmp.c (gfc_free_omp_clauses): Free also final_expr.
    (OMP_CLAUSE_FINAL, OMP_CLAUSE_MERGEABLE): Define.
    (gfc_match_omp_clauses): Handle parsing final and mergeable
    clauses.
    (OMP_TASK_CLAUSES): Allow final and mergeable clauses.
    (gfc_match_omp_taskyield): New function.
    (resolve_omp_clauses): Resolve final clause.  Allow POINTERs and
    Cray pointers in clauses other than REDUCTION.
    (gfc_match_omp_atomic): Match optional
    read/write/update/capture keywords after !$omp atomic.
    (resolve_omp_atomic): Handle all OpenMP 3.1 atomic forms.
    * dump-parse-tree.c (show_omp_node): Handle EXEC_OMP_TASKYIELD,
    print final and mergeable clauses.
    (show_code_node): Handle EXEC_OMP_TASKYIELD.
    * trans-openmp.c (gfc_trans_omp_clauses): Handle final and
    mergeable clauses.
    (gfc_trans_omp_taskyield): New function.
    (gfc_trans_omp_directive): Handle EXEC_OMP_TASKYIELD.
    (gfc_trans_omp_atomic): Handle all OpenMP 3.1 atomic forms.
    (gfc_omp_clause_copy_ctor): Handle non-allocated allocatable.
    (gfc_omp_predetermined_sharing): Adjust comment.
    * gfortran.h (gfc_statement): Add ST_OMP_TASKYIELD and
    ST_OMP_END_ATOMIC.
    (gfc_omp_clauses): Add final_expr and mergeable fields.
    (gfc_exec_op): Add EXEC_OMP_TASKYIELD.
    (gfc_omp_atomic_op): New enum typedef.
    (struct gfc_code): Add ext.omp_atomic.
    * trans.c (trans_code): Handle EXEC_OMP_TASKYIELD.
    * frontend-passes.c (gfc_code_walker): Also walk final_expr.
    * resolve.c (gfc_resolve_blocks, resolve_code): Handle
    EXEC_OMP_TASKYIELD.
    * st.c (gfc_free_statement): Likewise.
    * match.h (gfc_match_omp_taskyield): New prototype.
    * parse.c (decode_omp_directive): Handle taskyield directive.
    Handle !$omp end atomic.
    (case_executable): Add ST_OMP_TASKYIELD case.
    (gfc_ascii_statement): Handle ST_OMP_TASKYIELD.
    (parse_omp_atomic): Return gfc_statement instead of void.
    For !$omp atomic capture parse two assignments instead of
    just one and require !$omp end atomic afterwards, for
    other !$omp atomic forms just allow !$omp end atomic at the
    end.
    (parse_omp_structured_block, parse_executable): Adjust
    parse_omp_atomic callers.

2011-08-02  Tobias Burnus  <burnus@net-b.de>

    * intrinsic.c (OMP_LIB): Updated openmp_version's
    value to 201107.
    * gfortran.texi (OpenMP): Update ref to OpenMP 3.1.
    * intrinsic.texi (OpenMP Modules): Update ref to OpenMP 3.1;
    remove deleted omp_integer_kind and omp_logical_kind constants.
gcc/testsuite/
    PR fortran/46752
    * gcc.dg/gomp/atomic-5.c: Adjust expected diagnostics.
    * gcc.dg/gomp/atomic-15.c: New test.
    * g++.dg/gomp/atomic-5.C: Adjust expected diagnostics.
    * g++.dg/gomp/atomic-15.C: New test.
    * g++.dg/gomp/private-1.C: New test.
    * g++.dg/gomp/sharing-2.C: New test.
    * gfortran.dg/gomp/crayptr1.f90: Don't expect error
    about Cray pointer in FIRSTPRIVATE/LASTPRIVATE.
    * gfortran.dg/gomp/omp_atomic2.f90: New test.
libgomp/
    PR fortran/42041
    PR fortran/46752
    * omp.h.in (omp_in_final): New prototype.
    * omp_lib.f90.in (omp_in_final): New interface.
    (omp_integer_kind, omp_logical_kind): Remove
    and replace all its uses in the module with 4.
    (openmp_version): Change to 201107.
    * omp_lib.h.in (omp_sched_static, omp_sched_dynamic,
    omp_sched_guided, omp_sched_auto): Use omp_sched_kind
    kind for the parameters.
    (omp_in_final): New external.
    (openmp_version): Change to 201107.
    * task.c (omp_in_final): New function.
    (gomp_init_task): Initialize final_task.
    (GOMP_task): Remove unused attribute from flags.  Handle final
    tasks.
    (GOMP_taskyield): New function.
    (omp_in_final): Return true if if (false) or final (true) task
    or descendant of final (true).
    * fortran.c (omp_in_final_): New function.
    * libgomp.map (OMP_3.1): Export omp_in_final and omp_in_final_.
    (GOMP_3.0): Export GOMP_taskyield.
    * env.c (gomp_nthreads_var_list, gomp_nthreads_var_list_len): New
    variables.
    (parse_unsigned_long_list): New function.
    (initialize_env): Use it for OMP_NUM_THREADS.  Call parse_boolean
    with "OMP_PROC_BIND".  If OMP_PROC_BIND=true, call gomp_init_affinity
    even if parse_affinity returned false.
    * config/linux/affinity.c (gomp_init_affinity): Handle
    gomp_cpu_affinity_len == 0.
    * libgomp_g.h (GOMP_taskyield): New prototype.
    * libgomp.h (struct gomp_task): Add final_task field.
    (gomp_nthreads_var_list, gomp_nthreads_var_list_len): New externs.
    * team.c (gomp_team_start): Override new task's nthreads_var icv
    if list form OMP_NUM_THREADS has been used and it has value for
    the new nesting level.

    * testsuite/libgomp.c/atomic-11.c: New test.
    * testsuite/libgomp.c/atomic-12.c: New test.
    * testsuite/libgomp.c/atomic-13.c: New test.
    * testsuite/libgomp.c/atomic-14.c: New test.
    * testsuite/libgomp.c/reduction-6.c: New test.
    * testsuite/libgomp.c/task-5.c: New test.
    * testsuite/libgomp.c++/atomic-2.C: New test.
    * testsuite/libgomp.c++/atomic-3.C: New test.
    * testsuite/libgomp.c++/atomic-4.C: New test.
    * testsuite/libgomp.c++/atomic-5.C: New test.
    * testsuite/libgomp.c++/atomic-6.C: New test.
    * testsuite/libgomp.c++/atomic-7.C: New test.
    * testsuite/libgomp.c++/atomic-8.C: New test.
    * testsuite/libgomp.c++/atomic-9.C: New test.
    * testsuite/libgomp.c++/task-8.C: New test.
    * testsuite/libgomp.c++/reduction-4.C: New test.
    * testsuite/libgomp.fortran/allocatable7.f90: New test.
    * testsuite/libgomp.fortran/allocatable8.f90: New test.
    * testsuite/libgomp.fortran/crayptr3.f90: New test.
    * testsuite/libgomp.fortran/omp_atomic3.f90: New test.
    * testsuite/libgomp.fortran/omp_atomic4.f90: New test.
    * testsuite/libgomp.fortran/pointer1.f90: New test.
    * testsuite/libgomp.fortran/pointer2.f90: New test.
    * testsuite/libgomp.fortran/task4.f90: New test.

2011-08-02  Tobias Burnus  <burnus@net-b.de>

    * libgomp.texi: Update OpenMP spec references to 3.1.
    (omp_in_final,OMP_PROC_BIND): New sections.
    (OMP_NUM_THREADS): Document that the value can be now a list.
    (GOMP_STACKSIZE,GOMP_CPU_AFFINITY): Update @ref.

Added:
    trunk/gcc/testsuite/g++.dg/gomp/atomic-15.C
    trunk/gcc/testsuite/g++.dg/gomp/private-1.C
    trunk/gcc/testsuite/g++.dg/gomp/sharing-2.C
    trunk/gcc/testsuite/gcc.dg/gomp/atomic-15.c
    trunk/gcc/testsuite/gfortran.dg/gomp/omp_atomic2.f90
    trunk/libgomp/testsuite/libgomp.c++/atomic-2.C
    trunk/libgomp/testsuite/libgomp.c++/atomic-3.C
    trunk/libgomp/testsuite/libgomp.c++/atomic-4.C
    trunk/libgomp/testsuite/libgomp.c++/atomic-5.C
    trunk/libgomp/testsuite/libgomp.c++/atomic-6.C
    trunk/libgomp/testsuite/libgomp.c++/atomic-7.C
    trunk/libgomp/testsuite/libgomp.c++/atomic-8.C
    trunk/libgomp/testsuite/libgomp.c++/atomic-9.C
    trunk/libgomp/testsuite/libgomp.c++/reduction-4.C
    trunk/libgomp/testsuite/libgomp.c++/task-8.C
    trunk/libgomp/testsuite/libgomp.c/atomic-11.c
    trunk/libgomp/testsuite/libgomp.c/atomic-12.c
    trunk/libgomp/testsuite/libgomp.c/atomic-13.c
    trunk/libgomp/testsuite/libgomp.c/atomic-14.c
    trunk/libgomp/testsuite/libgomp.c/reduction-6.c
    trunk/libgomp/testsuite/libgomp.c/task-5.c
    trunk/libgomp/testsuite/libgomp.fortran/allocatable7.f90
    trunk/libgomp/testsuite/libgomp.fortran/allocatable8.f90
    trunk/libgomp/testsuite/libgomp.fortran/crayptr3.f90
    trunk/libgomp/testsuite/libgomp.fortran/omp_atomic3.f90
    trunk/libgomp/testsuite/libgomp.fortran/omp_atomic4.f90
    trunk/libgomp/testsuite/libgomp.fortran/pointer1.f90
    trunk/libgomp/testsuite/libgomp.fortran/pointer2.f90
    trunk/libgomp/testsuite/libgomp.fortran/task4.f90
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c-common.h
    trunk/gcc/c-family/c-cppbuiltin.c
    trunk/gcc/c-family/c-omp.c
    trunk/gcc/c-family/c-pragma.c
    trunk/gcc/c-family/c-pragma.h
    trunk/gcc/c-parser.c
    trunk/gcc/c-typeck.c
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/cp-gimplify.c
    trunk/gcc/cp/cp-tree.h
    trunk/gcc/cp/parser.c
    trunk/gcc/cp/pt.c
    trunk/gcc/cp/semantics.c
    trunk/gcc/doc/generic.texi
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/cpp.c
    trunk/gcc/fortran/dump-parse-tree.c
    trunk/gcc/fortran/frontend-passes.c
    trunk/gcc/fortran/gfortran.h
    trunk/gcc/fortran/gfortran.texi
    trunk/gcc/fortran/intrinsic.texi
    trunk/gcc/fortran/match.h
    trunk/gcc/fortran/openmp.c
    trunk/gcc/fortran/parse.c
    trunk/gcc/fortran/resolve.c
    trunk/gcc/fortran/st.c
    trunk/gcc/fortran/trans-openmp.c
    trunk/gcc/fortran/trans.c
    trunk/gcc/gimple.h
    trunk/gcc/gimplify.c
    trunk/gcc/omp-builtins.def
    trunk/gcc/omp-low.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/g++.dg/gomp/atomic-5.C
    trunk/gcc/testsuite/g++.dg/gomp/clause-3.C
    trunk/gcc/testsuite/gcc.dg/gomp/atomic-5.c
    trunk/gcc/testsuite/gcc.dg/gomp/clause-1.c
    trunk/gcc/testsuite/gfortran.dg/gomp/crayptr1.f90
    trunk/gcc/tree-nested.c
    trunk/gcc/tree-pretty-print.c
    trunk/gcc/tree.c
    trunk/gcc/tree.def
    trunk/gcc/tree.h
    trunk/libgomp/ChangeLog
    trunk/libgomp/config/linux/affinity.c
    trunk/libgomp/env.c
    trunk/libgomp/fortran.c
    trunk/libgomp/libgomp.h
    trunk/libgomp/libgomp.map
    trunk/libgomp/libgomp.texi
    trunk/libgomp/libgomp_g.h
    trunk/libgomp/omp.h.in
    trunk/libgomp/omp_lib.f90.in
    trunk/libgomp/omp_lib.h.in
    trunk/libgomp/task.c
    trunk/libgomp/team.c



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