On Thu, Nov 18, 2010 at 12:00 PM, Bryan Hundven <bryanhundven@xxxxxxxxx> wrote: > I noticed that arm oabi is still using -lfloat in LIBGCC_SPEC in > gcc/config/arm/linux-elf.h > > Looking around for libfloat, I found: > > http://netwinder.osuosl.org/users/s/scottb/public_html/notes/FP-Notes-6.html > http://netwinder.osuosl.org/users/s/scottb/ > > Which hasn't had a release since 1999, with a patch in 2000. > > libgcc should provide these most of these soft float symbols. > Then I also notice the gcc/config/soft-fp is available, but only used > for armv6m. > > If we don't get these symbols from gcc, then we get them from > (e)glibc's soft-fp? > > This does not affect eabi, because the gcc/config/arm/linux-eabi.h > unsets LIBGCC_SPEC. > > > The reason I am bringing this up, is to validate a couple variants of > the same patch that has been floating around since about gcc 3.3: > > http://kegel.com/crosstool/crosstool-0.43/patches/gcc-3.4.4/gcc-3.4.0-arm-nolibfloat.patch > > and a newer version of this patch which adds more functions to > lib1asmfuncs (in libgcc?). > > http://git.buildroot.net/buildroot/tree/toolchain/gcc/4.5.1/810-arm-softfloat-libgcc.patch > > Any help in understanding why this is still here will be very helpful. > > Thanks in advance, > > -Bryan > Should I have asked this question on a different list? -Bryan
