[Bug fortran/37131] inline matmul for small matrix sizes

[tkoenig at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=37131

--- Comment #33 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---
Author: tkoenig
Date: Mon May 29 06:03:23 2017
New Revision: 248553

URL: https://gcc.gnu.org/viewcvs?rev=248553&root=gcc&view=rev
Log:
2017-05-29  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/37131
        * frontend-passes.c (check_conjg_transpose_variable):
        Add prototype.
        (has_dimen_vector_ref):  Likewise
        (matmul_temp_args):  New function. Add prototype.
        (optimize_namespace):  Call matmul_temp_args.

2017-05-29  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/37131
        * gfortran.dg/promotion_2.f90: Add -finline-matmul-limit=0 to
        flags.
        * gfortran.dg/transpose_optimization_1.f90: Likewise.
        * gfortran.dg/inline_matmul_17.f90:  New test.


Added:
    trunk/gcc/testsuite/gfortran.dg/inline_matmul_17.f90
Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/frontend-passes.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gfortran.dg/promotion_2.f90
    trunk/gcc/testsuite/gfortran.dg/transpose_optimization_1.f90