[Bug 1001468] eCos GNU tools 4.6.3

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--- Comment #52 from Ilija Kocho <ilijak@siva.com.mk> 2012-05-26 07:44:41 BST ---
(In reply to comment #51)
> (In reply to comment #50)
> > Created an attachment (id=1767)
 --> (http://bugs.ecos.sourceware.org/attachment.cgi?id=1767) [details]
[details]
> > eCos Multilib configuration 20120524
> > 
> > The attached patch adds Cortex-M9 to the multilib matches. It shall not
> > generate additional libraries but will add Cortex-M9 to match Thumb2 libs.
> 
> You mean Cortex-A9. Presumably this is just for completeness rather than you
> working on Cortex-A support?

You're correct, sorry, it is Cortex-A9 indeed. Yes, Cortex-A9 is merely added
to MULTILIB-MATCHES list. Cortex-A support is not in my focus, but I have been
asked by one considering it. Probably it is not critical to have A9 in, but
since it is a trivial change and we are going to have a new test release
anyway, I added it.

> 
> Do we really need -mfloat-abi=hard? Do we have anything that uses it?

-mfloat-abi=hard goes along with -mfpu=fpv4-sp-d16. Both flags have to be
specified. The use case, Cortex-M4 arch for floating point is almost ready, I
am doing final testing and my aim is to put it on Bugzilla within few days.

Note: Addition of Cortex-A9 doesn't include multilib for it's FPU.

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