dannypc: {77} arm-wince-cegcc-gcc -mfloat-abi=soft -mfpu=fpa float.c -o
float.exe -lmmtimer
Info: resolving _CRT_MT by linking to __imp__CRT_MT (auto-import)
dannypc: {78} arm-wince-cegcc-gcc -mfloat-abi=hard float.c -o float.exe
-lmmtimer
float.c:1: sorry, unimplemented: -mfloat-abi=hard and VFP
dannypc: {79} arm-wince-cegcc-gcc -mfloat-abi=hard -mfpu=fpa float.c -o
float.exe -lmmtimer
Info: resolving _CRT_MT by linking to __imp__CRT_MT (auto-import)
The executable from the last compile only prints one message. I guess
I've created an executable that works but not on my system, the
application probably dies when trying to execute the hardware floating
point instruction.
BTW, does anyone know how to trap events like these and get information
on what went wrong ?
Inspection of the executable with objdump reveals that the application
doesn't grab the software floating point functions from cegcc.dll . As
expected.
Danny
On Wed, 2007-04-11 at 21:54 +0100, Pedro Alves wrote:
> Klaus Rechert wrote:
> > Hi,
> >
> > i wonder how fpu-calls are handled on WinCE. AFAIK arm cpus do not have FPU
> > units. Cegcc is not compiled with soft-float support, therefore i assume
> > the
> > wince kernel takes care of fpu-emulation. Should not be gcc soft-float
> > support enabled by default, since in general it is faster than kernel
> > emulation ?
> >
>
> Take a look here:
>
> http://osdir.com/ml/gnu.cegcc.devel/2006-10/msg00016.html
>
> Cheers,
> Pedro Alves
>
>
>
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--
Danny Backx ; danny.backx - at - scarlet.be ; http://danny.backx.info
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