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Re: problem while building arm vfp softfloat gcc

From: Richard Earnshaw <rearnsha at arm dot com>
To: "add" <addsub at eyou dot com>
Cc: Richard dot Earnshaw at arm dot com, dank at kegel dot com, crossgcc at sources dot redhat dot com, nico at cam dot org, linux-arm at lists dot arm dot linux dot org dot uk
Date: Tue, 10 Feb 2004 10:39:40 +0000
Subject: Re: problem while building arm vfp softfloat gcc
Organization: ARM Ltd.
Reply-to: Richard dot Earnshaw at arm dot com

addsub@eyou.com said:
> I have already tried this on my platform, it still print out 0.000000
> so it seems like a problem of glibc. I swapped the register according
> to montavista's iwmmxt_le-gcc produced asm code. Are you sure that
> code is correct? if so, then that means montavista's toolchain is not
> compatible with others, although it uses the same vfp softfloat patch.

Yes, I think it's a glibc problem (I've always suspected that was the most 
likely source).

I haven't looked at MV's gcc, but if it is doing a word swap at the point 
you indicate then it is broken also.  Doing a word swap at that point is 
incorrect.

R.



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