[Question, C6X] Under what situations should we disable DCE in sched2?

[Jeff Law]

On 03/27/14 07:50, Felix Yang wrote:
> Hello,
>
>      I find DCE in sched2 is disabled for C6X backend. Is this a
> performance consideration? Or a GCC BUG?
>      And under what situations should we disable DCE in sched2?
>      Can anyone explain this? Many thanks.
In general, if a port is disabling an optimization like this, then 
there's something wrong with the port.

As to this specific issue, git/svn blame ought to point you at whomever 
wrote this code and you can ping them directly.

jeff