https://gcc.gnu.org/bugzilla/show_bug.cgi?id=40770
--- Comment #25 from 康 珊 <kangshan0910 at hotmail dot com> --- (In reply to rguent...@suse.de from comment #24) > On September 22, 2020 1:14:48 PM GMT+02:00, kangshan0910 at hotmail dot com > <gcc-bugzi...@gcc.gnu.org> wrote: > >https://gcc.gnu.org/bugzilla/show_bug.cgi?id=40770 > > > >--- Comment #23 from 康 珊 <kangshan0910 at hotmail dot com> --- > >It seems that gcc will use "_ZGVeN8vl8l8_sincos" which doesn't exit in > >libmvec. > >/usr/bin/ld: /tmp/ccTYyEZM.o: in function `main': > >/home/pnp/ks/test_sincos.c:38: undefined reference to > >`_ZGVeN8vl8l8_sincos' > >/usr/bin/ld: /home/pnp/ks/test_sincos.c:38: undefined reference to > >`_ZGVeN8vl8l8_sincos' > >collect2: error: ld returned 1 exit status > > That's expected and the thing that needs to be fixed. > > >I'm using clear linux the glibc of which is 2.31 and I also tried > >Ubuntu 19.10 > >the glibc of which is 2.30. But it has _ZGVeN8vvv_sincos(__m512d, __m512i, __m512i), why gcc not use this call?
