On Thu, 2004-09-16 at 22:10, Craig Hughes wrote:
> No, it doesn't. There's a TODO file that lists it as something to do
> "AFTER the uClibc 1.0.0 release". Probably could get more information
> on the uclibc mailing lists.
> The current gumstix toolchain uses kernel FP by default; but in theory
> there's a top-level makefile option which will use the gcc soft-float
> stuff, but I haven't tried it in the last couple months, and it might
> well not be working right now. You'd also want to turn off the FP
> stuff in the kernel, and possible tweak some uclibc and/or busybox
> settings as well if you did this.
Thanks for the info, this is exactly what I needed to know.
> On Sep 16, 2004, at 7:03 PM, Jonathan Brandmeyer wrote:
> > Does the uClibc library's pthreads implementation use the new futex()
> > system call? If not, do you have any idea when that would happen?
> > I've read that hardware floating point instructions on the PXA are
> > emulated in a horribly slow way by the kernel, and that GCC is capable
> > of generating much faster (but still slow) user-space floating point
> > emulation code. But, using -msoft-float changes the ABI, and it is not
> > the default (according to the GCC manual). Do the Gumstix system
> > images
> > and toolchain use -msoft-float or -mhard-float as the default?
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