https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106694
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This is backend issue:
//(insn 27 31 28 (set (reg/v:VNx2DI 37 v5 [orig:98 v0 ] [98])
// (unspec:VNx2DI [
// (reg:VNx2BI 68 p0 [orig:105 pg ] [105])
// (plus:VNx2DI (mult:VNx2DI (reg/v:VNx2DI 37 v5 [orig:98 v0 ]
[98])
// (reg/v:VNx2DI 33 v1 [orig:96 v18 ] [96]))
// (reg/v:VNx2DI 32 v0 [orig:97 v19 ] [97]))
// (const_vector:VNx2DI repeat [
// (const_int 0 [0])
// ])
// ] UNSPEC_SEL)) "/app/example.c":15:14 7415 {*cond_fmavnx2di_any}
// (nil))
movprfx z5.d, p0/z, z5.d // 27 [c=4 l=8] *cond_fmavnx2di_any/2
mad z5.d, p0/m, z1.d, z0.d
