------- Comment #41 from yanov at il dot ibm dot com 2006-01-14 09:29 -------
This fixes the problem on PowerPC.
(In reply to comment #39)
> We should do the following:
>
> Index: cfgloopmanip.c
> ===================================================================
> --- cfgloopmanip.c (revision 108361)
> +++ cfgloopmanip.c (working copy)
> @@ -1419,7 +1419,7 @@ lv_adjust_loop_entry_edge (basic_block f
> lv_add_condition_to_bb (first_head, second_head, new_head,
> cond_expr);
>
> - e1 = make_edge (new_head, first_head, EDGE_TRUE_VALUE);
> + e1 = make_edge (new_head, first_head, ir_type () ? EDGE_TRUE_VALUE : 0);
> set_immediate_dominator (CDI_DOMINATORS, first_head, new_head);
> set_immediate_dominator (CDI_DOMINATORS, second_head, new_head);
>
> Index: cfgrtl.c
> ===================================================================
> --- cfgrtl.c (revision 108361)
> +++ cfgrtl.c (working copy)
> @@ -2046,7 +2046,7 @@ rtl_verify_flow_info_1 (void)
> err = 1;
> }
> if (n_branch != 1 && any_condjump_p (BB_END (bb))
> - && JUMP_LABEL (BB_END (bb)) == BB_HEAD (fallthru->dest))
> + && JUMP_LABEL (BB_END (bb)) != BB_HEAD (fallthru->dest))
> {
> error ("wrong amount of branch edges after conditional jump %i",
> bb->index);
> err = 1;
>
>
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24626
