test_stw_1:
  #_ MEMORY_IN 0x0000000010001000 [00, 00, 00, 00, 00, 00, 00, 00]
  #_ REGISTER_IN r3 0x00000000ABCDEF12
  #_ REGISTER_IN r4 0x0000000010001000
  stw r3, 0(r4)
  blr
  #_ REGISTER_OUT r3 0x00000000ABCDEF12
  #_ REGISTER_OUT r4 0x0000000010001000
  #_ MEMORY_OUT 10001000 ABCDEF12

test_stw_offset:
  #_ MEMORY_IN 0x0000000010001000 [00, 00, 00, 00, 00, 00, 00, 00]
  #_ REGISTER_IN r3 0x0000000012345678
  #_ REGISTER_IN r4 0x0000000010001000
  stw r3, 4(r4)
  blr
  #_ REGISTER_OUT r3 0x0000000012345678
  #_ REGISTER_OUT r4 0x0000000010001000
  #_ MEMORY_OUT 10001004 12345678

test_stwu_1:
  #_ MEMORY_IN 0x0000000010001000 [00, 00, 00, 00, 00, 00, 00, 00]
  #_ REGISTER_IN r3 0x000000009ABCDEF0
  #_ REGISTER_IN r4 0x0000000010001000
  stwu r3, 4(r4)
  blr
  #_ REGISTER_OUT r3 0x000000009ABCDEF0
  #_ REGISTER_OUT r4 0x0000000010001004
  #_ MEMORY_OUT 10001004 9ABCDEF0

test_stwx_1:
  #_ MEMORY_IN 0x0000000010001000 [00, 00, 00, 00, 00, 00, 00, 00]
  #_ REGISTER_IN r3 0x00000000FEDCBA98
  #_ REGISTER_IN r4 0x0000000010001000
  #_ REGISTER_IN r5 0x0000000000000004
  stwx r3, r4, r5
  blr
  #_ REGISTER_OUT r3 0x00000000FEDCBA98
  #_ REGISTER_OUT r4 0x0000000010001000
  #_ REGISTER_OUT r5 0x0000000000000004
  #_ MEMORY_OUT 10001004 FEDCBA98

test_stwux_1:
  #_ MEMORY_IN 0x0000000010001000 [00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00]
  #_ REGISTER_IN r3 0x0000000011223344
  #_ REGISTER_IN r4 0x0000000010001000
  #_ REGISTER_IN r5 0x0000000000000008
  stwux r3, r4, r5
  blr
  #_ REGISTER_OUT r3 0x0000000011223344
  #_ REGISTER_OUT r4 0x0000000010001008
  #_ REGISTER_OUT r5 0x0000000000000008
  #_ MEMORY_OUT 10001008 11223344