Comment by dzaima

Stop the presses! 5 instructions!

    vpor        xmm2, xmm0, 0x80000000
    vpcmpeqd    xmm2, xmm1, xmm2
    vcmpunordps xmm2, xmm2, xmm0
    vminps      xmm0, xmm1, xmm0
    vblendvps   xmm0, xmm0, xmm1, xmm2

yay for superoptimizers