[Bug fortran/22572] Double occurrence of matmul intrinsic not optimised

[tkoenig at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22572

--- Comment #8 from Thomas Koenig <tkoenig at gcc dot gnu.org> 2011-05-14 09:48:11 UTC ---
Author: tkoenig
Date: Sat May 14 09:48:08 2011
New Revision: 173752

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=173752
Log:
2011-05-14  Thomas Koenig  <tkoenig@gcc.gnu.org>

    PR fortran/22572
    * frontend-passes.c (cfe_register_funcs):  Also register functions
    for potential elimination if the rank is > 0, the shape is unknown
    and reallocate on assignment is active.
    (create_var):  For rank > 0 functions with unknown shape, create
    an allocatable temporary.

2011-05-14  Thomas Koenig  <tkoenig@gcc.gnu.org>

    PR fortran/22572
    * function_optimize_7.f90:  New test case.


Added:
    trunk/gcc/testsuite/gfortran.dg/function_optimize_7.f90
Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/frontend-passes.c
    trunk/gcc/testsuite/ChangeLog