[Bug target/121274] [14/15/16 Regression] xmm extraction from zmm vector emits unnecessary vpextrq/vpinsrq sequence

[mkretz at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121274

--- Comment #2 from Matthias Kretz (Vir) <mkretz at gcc dot gnu.org> ---
Minor correction: Of course the expected result of the second test is

        vextracti32x4   xmm0, zmm0, 1
        ret

(i.e. assignment to xmm*0* instead of xmm2)