diff options
Diffstat (limited to 'gcc/tree-parloops.c')
| -rw-r--r-- | gcc/tree-parloops.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/gcc/tree-parloops.c b/gcc/tree-parloops.c index c4ac89b..69a0b65 100644 --- a/gcc/tree-parloops.c +++ b/gcc/tree-parloops.c @@ -248,7 +248,7 @@ name_to_copy_elt_hash (const void *aa) in parallel). */ static bool -loop_parallel_p (struct loop *loop) +loop_parallel_p (struct loop *loop, struct obstack * parloop_obstack) { VEC (ddr_p, heap) * dependence_relations; VEC (data_reference_p, heap) *datarefs; @@ -273,7 +273,7 @@ loop_parallel_p (struct loop *loop) if (dump_file && (dump_flags & TDF_DETAILS)) dump_data_dependence_relations (dump_file, dependence_relations); - trans = lambda_trans_matrix_new (1, 1); + trans = lambda_trans_matrix_new (1, 1, parloop_obstack); LTM_MATRIX (trans)[0][0] = -1; if (lambda_transform_legal_p (trans, 1, dependence_relations)) @@ -1884,15 +1884,17 @@ parallelize_loops (void) struct tree_niter_desc niter_desc; loop_iterator li; htab_t reduction_list; + struct obstack parloop_obstack; HOST_WIDE_INT estimated; LOC loop_loc; - + /* Do not parallelize loops in the functions created by parallelization. */ if (parallelized_function_p (cfun->decl)) return false; if (cfun->has_nonlocal_label) return false; + gcc_obstack_init (&parloop_obstack); reduction_list = htab_create (10, reduction_info_hash, reduction_info_eq, free); init_stmt_vec_info_vec (); @@ -1950,7 +1952,8 @@ parallelize_loops (void) if (!try_create_reduction_list (loop, reduction_list)) continue; - if (!flag_loop_parallelize_all && !loop_parallel_p (loop)) + if (!flag_loop_parallelize_all + && !loop_parallel_p (loop, &parloop_obstack)) continue; changed = true; @@ -1975,6 +1978,7 @@ parallelize_loops (void) free_stmt_vec_info_vec (); htab_delete (reduction_list); + obstack_free (&parloop_obstack, NULL); /* Parallelization will cause new function calls to be inserted through which local variables will escape. Reset the points-to solution |