[Mono-list] Moonlight and FPU support

[Spencer, Matthew]

Hi Paolo

I'll try and get something together for you...

However, I am not having much joy at the moment.  Whenever any calls go
through to the native cairo libraries, the system freezes.  I assume
this is due to the way the arm processors deal with floating point
instructions.  Do you have any suggestions as to how I can speed things
up?  I have tried using the -msoft-float when compiling cairo, but this
does not seem to make any difference.

Cheers

Matt

-----Original Message-----
From: mono-list-bounces at lists.ximian.com
[mailto:mono-list-bounces at lists.ximian.com] On Behalf Of Paolo Molaro
Sent: 20 August 2007 18:03
To: mono-list at lists.ximian.com
Subject: Re: [Mono-list] Moonlight and FPU support

On 08/20/07 Spencer, Matthew wrote:
> I have been battling for the past few days to get everything in place 
> to get moonlight running on our embedded arm platform (processor is an
> ARM926EJ-Sid(wb) ).  I finally get all the dependencies in place, but

Any patches needed for that (or hints)? We planned to try the ARM port
in the next few weeks/months.

> when it comes to running the glassyclock example, I get a 'should not 
> be reached' error from within inssel.c.  This turns out to be a 
> catchall exception thrown when compiling mono with no hardware FPU 
> support (the
> SOFT_FLOAT_IMPL) flag.
>  
> Is my understanding from this that moonlight will not run on hardware 
> without hardware floating point support, or is it a case of 
> implementing the missing functionality to get this working.  There 
> does seem to be other instructions implemented in inssel-float.brg 
> that target a platform with software based FPU (for example 
> CEE_STIND_R8, whereas
> CSS_STIND_R4 does not).

That error just means that not all the cases are handled when compiling
with soft-float support. If you could distill a small test case that
demonstrates the issue and file a bug in bugzilla it would be great.

Thanks!
lupus

--
-----------------------------------------------------------------
lupus at debian.org                                     debian/rules
lupus at ximian.com                             Monkeys do it better
_______________________________________________
Mono-list maillist  -  Mono-list at lists.ximian.com
http://lists.ximian.com/mailman/listinfo/mono-list
*********************************************************************************************************
This e-mail is confidential, the property of NDS Ltd and intended for the addressee only.  Any dissemination, copying or distribution of this message or any attachments by anyone other than the intended recipient is strictly prohibited.  If you have received this message in error, please immediately notify the postmaster at nds.com and destroy the original message.  Messages sent to and from NDS may be monitored.  NDS cannot guarantee any message delivery method is secure or error-free.  Information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses.  We do not accept responsibility for any errors or omissions in this message and/or attachment that arise as a result of transmission.  You should carry out your own virus checks before opening any attachment.  Any views or opinions presented are solely those of the author and do not necessarily represent those of NDS.

To protect the environment please do not print this e-mail unless necessary.

NDS Limited Registered office: One Heathrow Boulevard, 286 Bath Road, West Drayton, Middlesex, UB7 0DQ, United Kingdom. A company registered in England and Wales  Registered no. 3080780   VAT no. GB 603 8808 40-00
**********************************************************************************************************