On 10/07/2011 12:15 AM, Richard Henderson wrote:
diff --git a/gcc/recog.c b/gcc/recog.c
index d3ecb73..e0557c5 100644
--- a/gcc/recog.c
+++ b/gcc/recog.c
@@ -3769,20 +3769,33 @@ struct rtl_opt_pass pass_split_all_insns =
static unsigned int
rest_of_handle_split_after_reload (void)
{
- /*
This is PR 49801.
The problem is that liveness data is not updated by split2, so when
cmp-elim runs next and *does* update it, we get verify failures.
As I note in the PR, I clearly have no idea how the interface to df
is supposed to work. All of the examples say df_analyze is supposed
to be run
