2015-03-18  Richard Biener  <rguenther@suse.de>

	* tree-data-ref.h (struct access_matrix): Remove.
	(AM_LOOP_NEST, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
	AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
	AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT): Likewise.
	(am_vector_index_for_loop): Likewise.
	(struct data_reference): Remove access_matrix member.
	(DR_ACCESS_MATRIX): Remove.
	(lambda_vector_new): Add comment.
	(lambda_matrix_new): Use XOBNEWVEC.

From-SVN: r221488