gas/testsuite/gas/aarch64/sve-movprfx_2.s

   1 /* Prefixed register not used in valid sve instruction at PC+4.
   2    Diagnostic required.  */
   3   .text
   4   .arch armv8-a+sve
   5
   6 f:
   7    ptrue p0.s
   8    movprfx z1, z0
   9    neg z2.s, p0/m, z2.s
  10    ret