diff options
Diffstat (limited to 'gcc/lambda-code.c')
| -rw-r--r-- | gcc/lambda-code.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/gcc/lambda-code.c b/gcc/lambda-code.c index cf995a3f9f4..2d6db22cced 100644 --- a/gcc/lambda-code.c +++ b/gcc/lambda-code.c @@ -2591,7 +2591,7 @@ lambda_transform_legal_p (lambda_trans_matrix trans, int nb_loops, varray_type dependence_relations) { - unsigned int i; + unsigned int i, j; lambda_vector distres; struct data_dependence_relation *ddr; @@ -2628,15 +2628,18 @@ lambda_transform_legal_p (lambda_trans_matrix trans, /* If the dependence could not be captured by a distance vector, conservatively answer that the transform is not valid. */ - if (DDR_DIST_VECT (ddr) == NULL) + if (DDR_NUM_DIST_VECTS (ddr) == 0) return false; /* Compute trans.dist_vect */ - lambda_matrix_vector_mult (LTM_MATRIX (trans), nb_loops, nb_loops, - DDR_DIST_VECT (ddr), distres); + for (j = 0; j < DDR_NUM_DIST_VECTS (ddr); j++) + { + lambda_matrix_vector_mult (LTM_MATRIX (trans), nb_loops, nb_loops, + DDR_DIST_VECT (ddr, j), distres); - if (!lambda_vector_lexico_pos (distres, nb_loops)) - return false; + if (!lambda_vector_lexico_pos (distres, nb_loops)) + return false; + } } return true; } |