On Thu, Aug 20, 2020 at 11:53 PM Dimitry Andric <d...@freebsd.org> wrote:
> On 20 Aug 2020, at 19:52, Gleb Popov <arr...@freebsd.org> wrote: > > > > On Wed, Aug 19, 2020 at 10:15 PM Gleb Popov <arr...@freebsd.org> wrote: > > > >> Hi toolchain@ > >> > >> I'm building the latest GHC on 12.1-RELEASE i386 and having almost the > >> same problem as with atomic functions. This time the error is > >> > >> d: error: undefined symbol: __bswapsi2 > >>>>> referenced by TTY.c > >>>>> RTS.thr_p_o:(rtsSyms) in archive > >> > /wrkdirs/usr/ports/lang/ghc/work/ghc-8.10.2/rts/dist/build/libHSrts_thr_p.a > >> > >> ld: error: undefined symbol: __bswapdi2 > >>>>> referenced by TTY.c > >>>>> RTS.thr_p_o:(rtsSyms) in archive > >> > /wrkdirs/usr/ports/lang/ghc/work/ghc-8.10.2/rts/dist/build/libHSrts_thr_p.a > >> > >> What's wrong with that? These functions seem to be present in our > >> compiler-rt. > >> > > > > Reading /usr/src/lib/libcompiler_rt/Makefile.inc, it seems that we don't > > compile these functions. What's the reason for this? > > I'm not aware of any particular reason, except that nobody seems to have > run into this omission before. It looks like on x86, compilers usually > just emit bswap instructions instead of libcalls for these situations. > > Apparently we have historically only added bswapdi and bswapsi for arm, > mips and riscv. > > -Dimitry > > I see thanks. I worked my problem around by adding implementations of these functions right into GHC code. _______________________________________________ freebsd-toolchain@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-toolchain To unsubscribe, send any mail to "freebsd-toolchain-unsubscr...@freebsd.org"
