+2004-09-30 Ben Elliston <bje@au.ibm.com>
+
+ PR bootstrap/17761
+ * lcm.c (optimize_mode_switching): Update to use EDGE_SUCC and
+ FOR_EACH_EDGE macros.
+
2004-09-30 Joseph S. Myers <jsm@polyomino.org.uk>
* c-tree.h (readonly_error): Remove.
exit block, so that we can note that there NORMAL_MODE is supplied /
required. */
edge eg;
- post_entry = split_edge (ENTRY_BLOCK_PTR->succ);
+ edge_iterator ei;
+ post_entry = split_edge (EDGE_SUCC (ENTRY_BLOCK_PTR, 0));
/* The only non-call predecessor at this stage is a block with a
fallthrough edge; there can be at most one, but there could be
none at all, e.g. when exit is called. */
- for (pre_exit = 0, eg = EXIT_BLOCK_PTR->pred; eg; eg = eg->pred_next)
+ pre_exit = 0;
+ FOR_EACH_EDGE (eg, ei, EXIT_BLOCK_PTR->preds)
if (eg->flags & EDGE_FALLTHRU)
{
regset live_at_end = eg->src->global_live_at_end;
- if (pre_exit)
- abort ();
+ gcc_assert (!pre_exit);
pre_exit = split_edge (eg);
COPY_REG_SET (pre_exit->global_live_at_start, live_at_end);
COPY_REG_SET (pre_exit->global_live_at_end, live_at_end);