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From: "burnus at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug fortran/18918] Eventually support Fortran 2008's coarrays [co-arrays]
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18918

--- Comment #57 from Tobias Burnus <burnus at gcc dot gnu.org> 2011-06-08 06:28:44 UTC ---
Author: burnus
Date: Wed Jun  8 06:28:41 2011
New Revision: 174796

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=174796
Log:
2011-06-08  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * gfortran.h (gfc_statement): Add ST_LOCK and ST_UNLOCK.
        (gfc_exec_op): Add EXEC_LOCK and EXEC_UNLOCK.
        (gfc_code): Add expr4.
        * match.h (gfc_match_lock, gfc_match_unlock): New prototypes.
        * match.c (gfc_match_lock, gfc_match_unlock,
        lock_unlock_statement): New functions.
        (sync_statement): Bug fix, avoiding double freeing.
        (gfc_match_if): Handle LOCK/UNLOCK statement.
        * parse.c (decode_statement, next_statement,
        gfc_ascii_statement): Ditto.
        * st.c (gfc_free_statement): Handle LOCK and UNLOCK.
        * resolve.c (resolve_lock_unlock): New function.
        (resolve_code): Call it.
        * dump-parse-tree.c (show_code_node): Handle LOCK/UNLOCK.
        * frontend-passes.c (gfc_code_walker): Optimize gfc_code's expr4.

2011-06-08  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * gfortran.dg/coarray_lock_1.f90: New.
        * gfortran.dg/coarray_lock_2.f90: New.


Added:
    trunk/gcc/testsuite/gfortran.dg/coarray_lock_1.f90
    trunk/gcc/testsuite/gfortran.dg/coarray_lock_2.f90
Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/dump-parse-tree.c
    trunk/gcc/fortran/frontend-passes.c
    trunk/gcc/fortran/gfortran.h
    trunk/gcc/fortran/match.c
    trunk/gcc/fortran/match.h
    trunk/gcc/fortran/parse.c
    trunk/gcc/fortran/resolve.c
    trunk/gcc/fortran/st.c
    trunk/gcc/testsuite/ChangeLog