test_vspltw_1:
  #_ REGISTER_IN v4 [00010203, 04050607, 08090A0B, 0C0D0E0F]
  vspltw v3, v4, 0
  blr
  #_ REGISTER_OUT v3 [00010203, 00010203, 00010203, 00010203]
  #_ REGISTER_OUT v4 [00010203, 04050607, 08090A0B, 0C0D0E0F]

test_vspltw_2:
  #_ REGISTER_IN v4 [00010203, 04050607, 08090A0B, 0C0D0E0F]
  vspltw v3, v4, 1
  blr
  #_ REGISTER_OUT v3 [04050607, 04050607, 04050607, 04050607]
  #_ REGISTER_OUT v4 [00010203, 04050607, 08090A0B, 0C0D0E0F]

test_vspltw_3:
  #_ REGISTER_IN v4 [00010203, 04050607, 08090A0B, 0C0D0E0F]
  vspltw v3, v4, 3
  blr
  #_ REGISTER_OUT v3 [0C0D0E0F, 0C0D0E0F, 0C0D0E0F, 0C0D0E0F]
  #_ REGISTER_OUT v4 [00010203, 04050607, 08090A0B, 0C0D0E0F]