Re: [rfc] Delay slots on cris

[Hans-Peter Nilsson <hans-peter.nilsson@axis.com>]

> Date: Sat, 28 Jun 2008 22:40:31 -0400
> From: Daniel Jacobowitz <drow@false.org>

> I've been auditing all uses of the frame unwind methods and this one
> seems wrong.  If I understand correctly, ERP/NRP have the low bit set
> when the program was interrupted in the midst of a delay slot.

Right.

> While
> ERP is rarely saved - so by default frame_unwind_register and
> get_frame_register will find the same value - I believe the copy we
> want is the current frame's (i.e. the one whose current PC is pointing
> at the branch).  Right?

That certainly sounds reasonable, but I think better Orjan chime
in here.

> [The cris target has no listed maintainers and has had no
> non-mechanical changes in just over three years.  Knowing the likely
> culprits, CC'd, I assume that means it works fine :-)]

So I've heard; I haven't tested it myself.

I'm listed under "Authorized Committers" as
CRIS                    Hans-Peter Nilsson hp@axis.com
(I just fixed the email address address).

Apparently someone pruned me from the target-maintainer section,
but that's fine.  I guess we can and should find someone to put
there; I'll look into it.

brgds, H-P