sigsegv@rambler.ru wrote:
> Greetings, I set COPTS+=-mcpu=ultrasparc in my mk.conf and then 
> attempted to build release from CURRENT source tree.
> 
> cd /opt/src && ./build.sh -j 1 -u -m sparc64 -x -X /opt/xsrc \
>         -O /opt/obj.sparc64 -T /opt/tools.sparc64 \
>         release 2>&1 | tee /scripts/log.sparc64
> 
> It failed when building src/lib/libm/src/e_pow.c
> Looking at the error message, it seems to complain about floating point 
> registers or something. Is this a bug?
> 

I think it's GNU binutils bug, I've submitted a PR just in case

http://www.netbsd.org/cgi-bin/query-pr-single.pl?number=29689