re PR libfortran/51119 (MATMUL slow for large matrices)

re PR libfortran/51119 (MATMUL slow for large matrices)

2017-02-26  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/51119
	* options.c (gfc_post_options): Set default limit for matmul
	inlining to 30.
	* invoke.texi: Document change.

2017-02-26  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/51119
	* gfortran.dg/inline_matmul_1.f90: Scan optimized dump instead
	of original.
	* gfortran.dg/inline_matmul_11.f90: Likewise.
	* gfortran.dg/inline_matmul_9.f90: Likewise.
	* gfortran.dg/matmul_13.f90: New test.
	* gfortran.dg/matmul_14.f90: New test.

From-SVN: r245745