diff options
Diffstat (limited to 'gcc/tree-data-ref.c')
| -rw-r--r-- | gcc/tree-data-ref.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/gcc/tree-data-ref.c b/gcc/tree-data-ref.c index a89d151..9abb2a8 100644 --- a/gcc/tree-data-ref.c +++ b/gcc/tree-data-ref.c @@ -2176,6 +2176,7 @@ analyze_subscript_affine_affine (tree chrec_a, unsigned nb_vars_a, nb_vars_b, dim; HOST_WIDE_INT init_a, init_b, gamma, gcd_alpha_beta; lambda_matrix A, U, S; + struct obstack scratch_obstack; if (eq_evolutions_p (chrec_a, chrec_b)) { @@ -2203,10 +2204,12 @@ analyze_subscript_affine_affine (tree chrec_a, nb_vars_a = nb_vars_in_chrec (chrec_a); nb_vars_b = nb_vars_in_chrec (chrec_b); + gcc_obstack_init (&scratch_obstack); + dim = nb_vars_a + nb_vars_b; - U = lambda_matrix_new (dim, dim); - A = lambda_matrix_new (dim, 1); - S = lambda_matrix_new (dim, 1); + U = lambda_matrix_new (dim, dim, &scratch_obstack); + A = lambda_matrix_new (dim, 1, &scratch_obstack); + S = lambda_matrix_new (dim, 1, &scratch_obstack); init_a = int_cst_value (initialize_matrix_A (A, chrec_a, 0, 1)); init_b = int_cst_value (initialize_matrix_A (A, chrec_b, nb_vars_a, -1)); @@ -2420,6 +2423,7 @@ analyze_subscript_affine_affine (tree chrec_a, } end_analyze_subs_aa: + obstack_free (&scratch_obstack, NULL); if (dump_file && (dump_flags & TDF_DETAILS)) { fprintf (dump_file, " (overlaps_a = "); |