[Bug libfortran/80602] Reduce stack usage for blocked matmul

[tkoenig at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80602

--- Comment #3 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---
Author: tkoenig
Date: Mon May  8 17:56:13 2017
New Revision: 247753

URL: https://gcc.gnu.org/viewcvs?rev=247753&root=gcc&view=rev
Log:
2017-05-08  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/80602
        * m4/matmul_internal.m4:  'matmul_name`:  Change
        t1 to a VLA of the required size.
        * generated/matmul_c10.c: Regenerated.
        * generated/matmul_c16.c: Regenerated.
        * generated/matmul_c4.c: Regenerated.
        * generated/matmul_c8.c: Regenerated.
        * generated/matmul_i1.c: Regenerated.
        * generated/matmul_i16.c: Regenerated.
        * generated/matmul_i2.c: Regenerated.
        * generated/matmul_i4.c: Regenerated.
        * generated/matmul_i8.c: Regenerated.
        * generated/matmul_r10.c: Regenerated.
        * generated/matmul_r16.c: Regenerated.
        * generated/matmul_r4.c: Regenerated.
        * generated/matmul_r8.c: Regenerated.

2017-05-08  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/80602
        * gfortran.dg/matmul_15.f90:  New test case.


Added:
    trunk/gcc/testsuite/gfortran.dg/matmul_15.f90
Modified:
    trunk/gcc/testsuite/ChangeLog
    trunk/libgfortran/ChangeLog
    trunk/libgfortran/Makefile.in
    trunk/libgfortran/generated/matmul_c10.c
    trunk/libgfortran/generated/matmul_c16.c
    trunk/libgfortran/generated/matmul_c4.c
    trunk/libgfortran/generated/matmul_c8.c
    trunk/libgfortran/generated/matmul_i1.c
    trunk/libgfortran/generated/matmul_i16.c
    trunk/libgfortran/generated/matmul_i2.c
    trunk/libgfortran/generated/matmul_i4.c
    trunk/libgfortran/generated/matmul_i8.c
    trunk/libgfortran/generated/matmul_r10.c
    trunk/libgfortran/generated/matmul_r16.c
    trunk/libgfortran/generated/matmul_r4.c
    trunk/libgfortran/generated/matmul_r8.c
    trunk/libgfortran/m4/matmul_internal.m4