MIPS soft float
Charles Notley
chnotley@gmail.com
Wed Sep 7 07:04:00 GMT 2005
I got a working x86 to mipsel soft float gcc 3.2.3, glibc 2.2.3,
binutils 2.15 toolchain using crosstool 0.35. Never built a kernel
with it, but did build the rest of a complete distribution.
Charles Notley
>
>
> On 9/6/05, Matej Kupljen <matej.kupljen@ultra.si> wrote:
> > Hi
> >
> > I am trying to build MIPS toolchain with soft float,
> > without success :-(
> >
> > Using crosstoll-0.35 (tried with 0.38 too) with various
> > combination of flags in mipsel.dat, like:
> > ----------------------------------------------------------
> > TARGET_CFLAGS="-O2 -finline-limit=10000 -msoft-float"
> > GCC_EXTRA_CONFIG="--with-float=soft --nfp"
> > GLIBC_EXTRA_CONFIG="--without-fp"
> > ----------------------------------------------------------
> >
> > If I do:
> > mipsel-linux-objdump libgcc.a | grep swc1 I get:
> > 24: e7b40028 swc1 $f20,40(sp)
> > 28: e7b5002c swc1 $f21,44(sp)
> > 3c: e7b60030 swc1 $f22,48(sp)
> > 40: e7b70034 swc1 $f23,52(sp)
> > 14: e7b40028 swc1 $f20,40(sp)
> > 18: e7b5002c swc1 $f21,44(sp)
> > ....
> >
> > libgcca still contains FP instructions.
> >
> > Has anybody successfully build MIPS SF toolchain?
> >
> > BR,
> > Matej
> >
> >
> > ------
> > Want more information? See the CrossGCC FAQ, http://www.objsw.com/CrossGCC/
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> >
> >
>
>
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