remove_eh_handler (region)
struct eh_region *region;
{
- struct eh_region **pp, *p;
+ struct eh_region **pp, **pp_start, *p, *outer, *inner;
rtx lab;
/* For the benefit of efficiently handling REG_EH_REGION notes,
multiple copies of this region in the array, so we have a
list of alternate numbers by which we are known. */
- cfun->eh->region_array[region->region_number] = region->outer;
+ outer = region->outer;
+ cfun->eh->region_array[region->region_number] = outer;
if (region->aka)
{
int i;
EXECUTE_IF_SET_IN_BITMAP (region->aka, 0, i,
- { cfun->eh->region_array[i] = region->outer; });
+ { cfun->eh->region_array[i] = outer; });
}
- if (region->outer)
+ if (outer)
{
- if (!region->outer->aka)
- region->outer->aka = BITMAP_XMALLOC ();
+ if (!outer->aka)
+ outer->aka = BITMAP_XMALLOC ();
if (region->aka)
- bitmap_a_or_b (region->outer->aka, region->outer->aka, region->aka);
- bitmap_set_bit (region->outer->aka, region->region_number);
+ bitmap_a_or_b (outer->aka, outer->aka, region->aka);
+ bitmap_set_bit (outer->aka, region->region_number);
}
if (cfun->eh->built_landing_pads)
if (lab)
remove_exception_handler_label (lab);
- if (region->outer)
- pp = ®ion->outer->inner;
+ if (outer)
+ pp_start = &outer->inner;
else
- pp = &cfun->eh->region_tree;
- for (p = *pp; p != region; pp = &p->next_peer, p = *pp)
+ pp_start = &cfun->eh->region_tree;
+ for (pp = pp_start, p = *pp; p != region; pp = &p->next_peer, p = *pp)
continue;
+ *pp = region->next_peer;
- if (region->inner)
+ inner = region->inner;
+ if (inner)
{
- for (p = region->inner; p->next_peer ; p = p->next_peer)
- p->outer = region->outer;
- p->next_peer = region->next_peer;
- p->outer = region->outer;
- *pp = region->inner;
+ for (p = inner; p->next_peer ; p = p->next_peer)
+ p->outer = outer;
+ p->outer = outer;
+
+ p->next_peer = *pp_start;
+ *pp_start = inner;
}
- else
- *pp = region->next_peer;
if (region->type == ERT_CATCH)
{