fixed perm insertion

[libfirm] / ir / be / belower.c

diff --git a/ir/be/belower.c b/ir/be/belower.c
index bdfe0cc..ed533bd 100644 (file)
--- a/ir/be/belower.c
+++ b/ir/be/belower.c
@@ -189,7 +189,7 @@ static perm_cycle_t *get_perm_cycle(perm_cycle_t *cycle, reg_pair_t *pairs, int
        }
 
        /* assume worst case: all remaining pairs build a cycle or chain */
-       cycle->elems    = calloc((n - n_pairs_done) * 2, sizeof(cycle->elems[0]));
+       cycle->elems    = xcalloc((n - n_pairs_done) * 2, sizeof(cycle->elems[0]));
        cycle->n_elems  = 2;  /* initial number of elements is 2 */
        cycle->elems[0] = pairs[start].in_reg;
        cycle->elems[1] = pairs[start].out_reg;
@@ -330,7 +330,7 @@ static void lower_perm_node(ir_node *irn, void *walk_env) {
 
                /* go to the first not-checked pair */
                while (pairs[i].checked) i++;
-               cycle = calloc(1, sizeof(*cycle));
+               cycle = xcalloc(1, sizeof(*cycle));
                cycle = get_perm_cycle(cycle, pairs, n, i);
 
                DB((mod, LEVEL_1, "%+F: following %s created:\n  ", irn, cycle->type == PERM_CHAIN ? "chain" : "cycle"));
@@ -449,7 +449,7 @@ static void lower_call_node(ir_node *call, const void *walk_env) {
                set_size  += arch_register_class_n_regs(reg_class);
        }
 
-       in_keep = malloc(set_size * sizeof(ir_node *));
+       in_keep = xmalloc(set_size * sizeof(ir_node *));
 
        proj_set = bitset_malloc(set_size);
        bitset_clear_all(proj_set);
@@ -561,7 +561,7 @@ static void lower_spill_reload(ir_node *irn, void *walk_env) {
  * @param irn      The node to be checked for lowering
  * @param walk_env The walker environment
  */
-static void lower_nodes_before_sched_walker(ir_node *irn, const void *walk_env) {
+static void lower_nodes_before_sched_walker(ir_node *irn, void *walk_env) {
        const arch_env_t *arch_env = walk_env;
 
        if (!is_Block(irn) && !is_Proj(irn)) {