===================================================================
@@ -727,9 +727,7 @@ rest_of_handle_df_initialize (void)
df->n_blocks_inverted = inverted_post_order_compute (df->postorder_inverted);
gcc_assert (df->n_blocks == df->n_blocks_inverted);
- df->hard_regs_live_count = XNEWVEC (unsigned int, FIRST_PSEUDO_REGISTER);
- memset (df->hard_regs_live_count, 0,
- sizeof (unsigned int) * FIRST_PSEUDO_REGISTER);
+ df->hard_regs_live_count = XCNEWVEC (unsigned int, FIRST_PSEUDO_REGISTER);
df_hard_reg_init ();
/* After reload, some ports add certain bits to regs_ever_live so
@@ -1074,8 +1072,7 @@ df_worklist_dataflow (struct dataflow *d
gcc_assert (dir != DF_NONE);
/* BBINDEX_TO_POSTORDER maps the bb->index to the reverse postorder. */
- bbindex_to_postorder =
- (unsigned int *)xmalloc (last_basic_block * sizeof (unsigned int));
+ bbindex_to_postorder = XNEWVEC (unsigned int, last_basic_block);
/* Initialize the array to an out-of-bound value. */
for (i = 0; i < last_basic_block; i++)