free_original_copy_tables ();
if (stay_in_cfglayout_mode)
initialize_original_copy_tables ();
-
+
/* Finally, put basic_block_info in the new order. */
compact_blocks ();
}
{
if (any_condjump_p (bb_end_insn))
{
+ /* This might happen if the conditional jump has side
+ effects and could therefore not be optimized away.
+ Make the basic block to end with a barrier in order
+ to prevent rtl_verify_flow_info from complaining. */
+ if (!e_fall)
+ {
+ gcc_assert (!onlyjump_p (bb_end_insn));
+ bb->il.rtl->footer = emit_barrier_after (bb_end_insn);
+ continue;
+ }
+
/* If the old fallthru is still next, nothing to do. */
if (bb->aux == e_fall->dest
|| e_fall->dest == EXIT_BLOCK_PTR)
continue;
}
}
+ else if (extract_asm_operands (PATTERN (bb_end_insn)) != NULL)
+ {
+ /* If the old fallthru is still next, nothing to do. */
+ if (bb->aux == e_fall->dest
+ || e_fall->dest == EXIT_BLOCK_PTR)
+ continue;
+
+ /* Otherwise we'll have to use the fallthru fixup below. */
+ }
else
{
/* Otherwise we have some return, switch or computed
FOR_EACH_EDGE (e, ei, bb->succs)
if (e->flags & EDGE_FALLTHRU)
break;
-
+
if (e && !can_fallthru (e->src, e->dest))
force_nonfallthru (e);
}