[Bug target/104441] [12 Regression] vzeroupper is placed at the wrong place

[hjl.tools at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104441

--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
ix86_check_avx_upper_register doesn't check

(vec_select:V2DI (reg/v:V4DI 23 xmm3 [orig:91 ymm ] [91])
    (parallel [
            (const_int 2 [0x2])
            (const_int 3 [0x3])
        ]))