https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111907

--- Comment #5 from Haochen Jiang <haochen.jiang at intel dot com> ---
BTW, it should be disabled since it will use zmm previously.

foo(_Float128, _Float128):
        push    rbp
        mov     rbp, rsp
        vmovdqa XMMWORD PTR [rbp-16], xmm0
        vmovdqa XMMWORD PTR [rbp-32], xmm1
        vmovdqa xmm1, XMMWORD PTR [rbp-16]
        vmovdqa xmm2, XMMWORD PTR [rbp-32]
        vmovdqa xmm0, XMMWORD PTR .LC0[rip]
        vpandnq zmm1, zmm0, zmm1
        vpand   xmm0, xmm0, xmm2
        vpor    xmm0, xmm1, xmm0
        pop     rbp
        ret

A straightforward solution might be trying to use its xmm version here.

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