[Linaro-dev] Discussion on new ARM hard-float port on debian-arm@

Hector Oron hector.oron at gmail.com
Mon Jul 12 22:34:05 BST 2010


(NOTE I am a thrid party)

Hello Mark,

I think you have really good arguments.

2010/7/12, Mark Mitchell <mark at codesourcery.com>:
> I don't know who the right people in Debian are; I'd rather suspect
> you're a lot more connected than I. :-)

You only have to reply to the following thread:
  * http://lists.debian.org/debian-arm/2010/07/threads.html#00019
  (You do not even need to subscribe to the list)

>>  How long will it take to get the toolchain able to do (2)?
>
> It would take months, but not years.  It's going to take a few
> person-weeks to implement the source attribute.  GLIBC is going to need
> to add new versions of libm functions that can be called with the
> hard-float ABI, while preserving the old soft-float versions using
> symbol versioning.  GDB may need some work to handle the attribute.  So,
> there's non-trivial work.
>
> But, when you're done, you actually have the solution that you really
> want -- critical high-performance math functions can be called more
> efficiently, and nothing else is impacted.

Are you seriously thinking on implementing (2) before the end of the
year? That would be really nice.

Best regards,
-- 
 Héctor Orón

"Our Sun unleashes tremendous flares expelling hot gas into the Solar
System, which one day will disconnect us."



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