https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68991
--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> ---
Here is the misaligned source:
(subreg:V4SI (unspec:V16QI [
(mem:V16QI (subreg/s/v:SI (reg/v/f:DI 219 [ Bits ]) 0) [14
MEM[(long unsigned int *)Bits_12(D)]+0 S16 A32])
] UNSPEC_LOADU) 0)
