test_lbz_1:
  #_ MEMORY_IN 0x0000000010001000 [AB, CD, EF, 12, 34, 56, 78, 9A]
  #_ REGISTER_IN r4 0x0000000010001000
  lbz r3, 0(r4)
  blr
  #_ REGISTER_OUT r3 0x0000000000000000
  #_ REGISTER_OUT r4 0x0000000010001000

test_lbz_offset:
  #_ MEMORY_IN 0x0000000010001000 [11, 22, 33, 44, 55, 66, 77, 88]
  #_ REGISTER_IN r4 0x0000000010001000
  lbz r3, 4(r4)
  blr
  #_ REGISTER_OUT r3 0x0000000000000033
  #_ REGISTER_OUT r4 0x0000000010001000

test_lbzu_1:
  #_ MEMORY_IN 0x0000000010001000 [AA, BB, CC, DD, EE, FF, 00, 11]
  #_ REGISTER_IN r4 0x0000000010001000
  lbzu r3, 4(r4)
  blr
  #_ REGISTER_OUT r3 0x00000000000000CC
  #_ REGISTER_OUT r4 0x0000000010001004

test_lbzx_1:
  #_ MEMORY_IN 0x0000000010001000 [12, 34, 56, 78, 9A, BC, DE, F0]
  #_ REGISTER_IN r4 0x0000000010001000
  #_ REGISTER_IN r5 0x0000000000000003
  lbzx r3, r4, r5
  blr
  #_ REGISTER_OUT r3 0x0000000000000000
  #_ REGISTER_OUT r4 0x0000000010001000
  #_ REGISTER_OUT r5 0x0000000000000003

test_lbzux_1:
  #_ MEMORY_IN 0x0000000010001000 [FF, EE, DD, CC, BB, AA, 99, 88]
  #_ REGISTER_IN r4 0x0000000010001000
  #_ REGISTER_IN r5 0x0000000000000005
  lbzux r3, r4, r5
  blr
  #_ REGISTER_OUT r3 0x0000000000000000
  #_ REGISTER_OUT r4 0x0000000010001005

test_lbz_max:
  #_ MEMORY_IN 0x0000000010001000 [FF, 00, 7F, 80, 01, FE, 02, FD]
  #_ REGISTER_IN r4 0x0000000010001000
  lbz r3, 0(r4)
  blr
  #_ REGISTER_OUT r3 0x0000000000000000
  #_ REGISTER_OUT r4 0x0000000010001000