Re: [ECOS] float powerpc instruction impossible ! please help me !

[Gary Thomas <gary at mlbassoc dot com>]

On Thu, 2003-09-18 at 07:21, Matthieu.GIRARDIN@fr.thalesgroup.com wrote:
> Hi again everybody !
> 
> I'have a problem :
> 
> First, before any comments, my board is working well (under other time real
> system like Psos).
> Now, i am working on a power pc target mpc860 WITHOUT float hardware support
> ( there aren't registers like f0 ... ).
> So, as for your mbx target, I specified in global compiler and linker flags
> the option -msoft-float. Until now, it's very logical.
> 
> But, when I load my elf file and debug it, there is no problem at all until
> I try to use the div() function as I saw.
> The compilator (powerpc-eabi-gcc) and your inline codes traduced it with lfd
> powerpc instruction.
> 
> I made some different tests but it's always the same thing. So I'm completly
> lost. With float instructions (as lfd) in the elf, 
> it's impossible to do it working.
> 
> Why do you think about it ? Is it a thing you already seen ?

What version of GCC are you using?  Where did you get it?

-- 
Gary Thomas <gary@mlbassoc.com>
MLB Associates


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