https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111350
--- Comment #5 from Iain Sandoe <iains at gcc dot gnu.org> --- (In reply to Iain Sandoe from comment #4) > (In reply to Francois-Xavier Coudert from comment #3) > > Clang: 14.0.0 build 1400 > > CLT: 14.2.0.0.1.1668646533 > > ah, it seems the vfcmulcph insn, at least, is not supported before XC14, and > it gives the error at 14.0b3 and 14.3. It seems fixed at XC 15b7. perhaps we can add something to the "avx512fp16" target test that requires assembly of one of those insns so that the tests will be automatically unsupported for broken assemblers.