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Re: floating point emulation

From: Richard Earnshaw <rearnsha at arm dot com>
To: Uwe Steinkohl <US at KARO-electronics dot de>
Cc: "'crossgcc at sources dot redhat dot com'" <crossgcc at sources dot redhat dot com>, Richard dot Earnshaw at arm dot com
Date: Sun, 09 Nov 2003 14:42:42 +0000
Subject: Re: floating point emulation
Organization: ARM Ltd.
Reply-to: Richard dot Earnshaw at arm dot com

> 
> Hi,
> 
> 
> I am trying to build an embedded system using the GNU tool chain on an
> xscale-elf target (Intel PXA255).
> 
> When linking the newlib libraries to my code, unfortunately the linker
> reports a lot of unresolved low level float function references like
> __addf3, __gtdf3, __muldf3, __subdf3 ....
( I think you mean __adddf3 (3 'd's)
> 

libgcc.a should contain all of the above functions (and a load more 
besides).

> Looking with xscale-elf-objdump into libgcc.a there are obviously a lot of
> single and double precision float functions
> like _*_df.o and _*_sf.o, but not of the type I need.  

Those are object file names, which isn't very interesting.  What does 'nm 
libgcc.a' give?

R.



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References:
- floating point emulation
  - From: Uwe Steinkohl

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