test_vperm128_1:
  #_ REGISTER_IN v3 [01020304, 05060708, 090A0B0C, 0D0E0F10]
  #_ REGISTER_IN v4 [11121314, 15161718, 191A1B1C, 1D1E1F20]
  #_ REGISTER_IN v2 [00010203, 04050607, 08090A0B, 0C0D0E0F]
  vperm128 v6, v3, v4, v2
  blr
  #_ REGISTER_OUT v3 [01020304, 05060708, 090A0B0C, 0D0E0F10]
  #_ REGISTER_OUT v4 [11121314, 15161718, 191A1B1C, 1D1E1F20]
  #_ REGISTER_OUT v2 [00010203, 04050607, 08090A0B, 0C0D0E0F]
  #_ REGISTER_OUT v6 [01020304, 05060708, 090A0B0C, 0D0E0F10]

test_vperm128_2:
  #_ REGISTER_IN v3 [AAAAAAAA, BBBBBBBB, CCCCCCCC, DDDDDDDD]
  #_ REGISTER_IN v4 [11111111, 22222222, 33333333, 44444444]
  #_ REGISTER_IN v1 [10111213, 14151617, 18191A1B, 1C1D1E1F]
  vperm128 v6, v3, v4, v1
  blr
  #_ REGISTER_OUT v3 [AAAAAAAA, BBBBBBBB, CCCCCCCC, DDDDDDDD]
  #_ REGISTER_OUT v4 [11111111, 22222222, 33333333, 44444444]
  #_ REGISTER_OUT v1 [10111213, 14151617, 18191A1B, 1C1D1E1F]
  #_ REGISTER_OUT v6 [11111111, 22222222, 33333333, 44444444]