URL:
<http://gna.org/task/?6552>
Summary: Submission of Patches to fix GCC's code generation
for the MaverickCrunch FPU
Project: Gna! Administration
Submitted by: martinwguy
Submitted on: Wednesday 03/25/2009 at 13:30
Status: None
Approval Status: None
Should Start On: Wednesday 03/25/2009 at 00:00
Should be Finished on: Saturday 04/04/2009 at 00:00
Category: Project Approval
Priority: 5 - Normal
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
_______________________________________________________
Details:
A new project has been registered at Gna!
This project account will remain inactive until a site admin approves or
discards the registration.
= Registration Administration =
While this item will be useful to track the registration process, *approving
or discarding the registration must be done using the specific Group
Administration <https://gna.org/siteadmin/groupedit.php?group_id=2939> page*,
accessible only to site administrators, effectively *logged as site
administrators* (superuser):
* Group Administration
<https://gna.org/siteadmin/groupedit.php?group_id=2939>
= Registration Details =
* Name: *Patches to fix GCC's code generation for the MaverickCrunch FPU*
* System Name: *gcc-crunch*
* Type: Programs
* License: Expat License (sometime refered to as MIT License) (Some of the
patches are based on patches from OpenEmbedded, whose entire metadata tree is
covered by a single COPYING.MIT file. The patches themselves have no copyright
assignment words. Advice is welcome, as I would like these to be merged into
the main GCC tree when they are of high enough quality.)
----
==== Description: ====
This project is a collection of patches for GCC attempting to fix its code
generation for the MaverickCrunch FPU, found in Cirrus Login EP93xx chips
together with an ARM integer core.
Initial support was contributed to mainline by RedHat in 2003, but it has
never generated working code. As well as its own peculiarities, the FPU has
many timing-dependent hardware bugs which must we worked around in software.
My latest attempt to fix it is currently at
http://martinwguy.co.uk/martincrunch along with pointers to previous attempts
to fix it and detailed technical material on the FPU and on the bugs.
The project itself consists of sets of source patches for specific versions
of GCC, but I also publish prebuilt native compilers made from the standard
sources with these patches.
The project would benefit from gna hosting to be able to track bugs better
(new undocumented hardware bugs keep emerging!), to provide project hosting
that does not depend on my continued existence and to enable others to work
on the patch sets.
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