combine_max_regno = nregs;
- reg_nonzero_bits
- = (unsigned HOST_WIDE_INT *) alloca (nregs * sizeof (HOST_WIDE_INT));
- reg_sign_bit_copies = (char *) alloca (nregs * sizeof (char));
-
- bzero ((char *) reg_nonzero_bits, nregs * sizeof (HOST_WIDE_INT));
- bzero (reg_sign_bit_copies, nregs * sizeof (char));
-
- reg_last_death = (rtx *) alloca (nregs * sizeof (rtx));
- reg_last_set = (rtx *) alloca (nregs * sizeof (rtx));
- reg_last_set_value = (rtx *) alloca (nregs * sizeof (rtx));
- reg_last_set_table_tick = (int *) alloca (nregs * sizeof (int));
- reg_last_set_label = (int *) alloca (nregs * sizeof (int));
- reg_last_set_invalid = (char *) alloca (nregs * sizeof (char));
+ reg_nonzero_bits = ((unsigned HOST_WIDE_INT *)
+ xcalloc (nregs, sizeof (unsigned HOST_WIDE_INT)));
+ reg_sign_bit_copies = (char *) xcalloc (nregs, sizeof (char));
+
+ reg_last_death = (rtx *) xmalloc (nregs * sizeof (rtx));
+ reg_last_set = (rtx *) xmalloc (nregs * sizeof (rtx));
+ reg_last_set_value = (rtx *) xmalloc (nregs * sizeof (rtx));
+ reg_last_set_table_tick = (int *) xmalloc (nregs * sizeof (int));
+ reg_last_set_label = (int *) xmalloc (nregs * sizeof (int));
+ reg_last_set_invalid = (char *) xmalloc (nregs * sizeof (char));
reg_last_set_mode
- = (enum machine_mode *) alloca (nregs * sizeof (enum machine_mode));
+ = (enum machine_mode *) xmalloc (nregs * sizeof (enum machine_mode));
reg_last_set_nonzero_bits
- = (unsigned HOST_WIDE_INT *) alloca (nregs * sizeof (HOST_WIDE_INT));
+ = (unsigned HOST_WIDE_INT *) xmalloc (nregs * sizeof (HOST_WIDE_INT));
reg_last_set_sign_bit_copies
- = (char *) alloca (nregs * sizeof (char));
+ = (char *) xmalloc (nregs * sizeof (char));
init_reg_last_arrays ();
if (INSN_UID (insn) > i)
i = INSN_UID (insn);
- uid_cuid = (int *) alloca ((i + 1) * sizeof (int));
+ uid_cuid = (int *) xmalloc ((i + 1) * sizeof (int));
max_uid_cuid = i;
nonzero_bits_mode = mode_for_size (HOST_BITS_PER_WIDE_INT, MODE_INT, 0);
update_life_info (refresh_blocks, UPDATE_LIFE_GLOBAL_RM_NOTES,
PROP_DEATH_NOTES);
}
+
+ /* Clean up. */
sbitmap_free (refresh_blocks);
+ free (reg_nonzero_bits);
+ free (reg_sign_bit_copies);
+ free (reg_last_death);
+ free (reg_last_set);
+ free (reg_last_set_value);
+ free (reg_last_set_table_tick);
+ free (reg_last_set_label);
+ free (reg_last_set_invalid);
+ free (reg_last_set_mode);
+ free (reg_last_set_nonzero_bits);
+ free (reg_last_set_sign_bit_copies);
+ free (uid_cuid);
total_attempts += combine_attempts;
total_merges += combine_merges;