test_xoris_1:
  #_ REGISTER_IN r4 0xDEADBEEF00000000
  xoris r3, r4, 0xFEDC
  blr
  #_ REGISTER_OUT r3 0xDEADBEEFFEDC0000
  #_ REGISTER_OUT r4 0xDEADBEEF00000000

test_xoris_1_constant:
  lis r4, 0xDEAD
  ori r4, r4, 0xBEEF
  sldi r4, r4, 32
  xoris r3, r4, 0xFEDC
  blr
  #_ REGISTER_OUT r3 0xDEADBEEFFEDC0000
  #_ REGISTER_OUT r4 0xDEADBEEF00000000

test_xoris_2:
  #_ REGISTER_IN r4 0xFFFFFFFFFFFFFFFF
  xoris r3, r4, 0xFFFF
  blr
  #_ REGISTER_OUT r3 0xFFFFFFFF0000FFFF
  #_ REGISTER_OUT r4 0xFFFFFFFFFFFFFFFF

test_xoris_2_constant:
  li r4, -1
  xoris r3, r4, 0xFFFF
  blr
  #_ REGISTER_OUT r3 0xFFFFFFFF0000FFFF
  #_ REGISTER_OUT r4 0xFFFFFFFFFFFFFFFF

test_xoris_3:
  #_ REGISTER_IN r4 0x0000000000000000
  xoris r3, r4, 0xFFFF
  blr
  #_ REGISTER_OUT r3 0x00000000FFFF0000
  #_ REGISTER_OUT r4 0x0000000000000000

test_xoris_3_constant:
  li r4, 0
  xoris r3, r4, 0xFFFF
  blr
  #_ REGISTER_OUT r3 0x00000000FFFF0000
  #_ REGISTER_OUT r4 0x0000000000000000

test_xoris_4:
  #_ REGISTER_IN r4 0x123456789ABC0000
  xoris r3, r4, 0x0000
  blr
  #_ REGISTER_OUT r3 0x123456789ABC0000
  #_ REGISTER_OUT r4 0x123456789ABC0000

test_xoris_4_constant:
  lis r4, 0x1234
  ori r4, r4, 0x5678
  sldi r4, r4, 32
  oris r4, r4, 0x9ABC
  xoris r3, r4, 0x0000
  blr
  #_ REGISTER_OUT r3 0x123456789ABC0000
  #_ REGISTER_OUT r4 0x123456789ABC0000

test_xoris_5:
  #_ REGISTER_IN r4 0xAAAAAAAAAAAAAAAA
  xoris r3, r4, 0x5555
  blr
  #_ REGISTER_OUT r3 0xAAAAAAAAFFFFAAAA
  #_ REGISTER_OUT r4 0xAAAAAAAAAAAAAAAA

test_xoris_5_constant:
  li r4, -1
  srdi r4, r4, 1
  sldi r4, r4, 1
  xoris r3, r4, 0x5555
  blr
  #_ REGISTER_OUT r3 0xFFFFFFFFAAAAFFFE
  #_ REGISTER_OUT r4 0xFFFFFFFFFFFFFFFE