lshrdi.s 394 B

123456789101112131415161718192021222324
  1. |lshrdi3 routine copyright (C) 2002, Kevin Kofler
  2. .data
  3. xdef __lshrdi3
  4. .even
  5. __lshrdi3:
  6. tst.w 12(%a7)
  7. bne.s .L__lshrdi3_return0
  8. move.l 4(%a7),%d0
  9. move.l 8(%a7),%d1
  10. move.w 14(%a7),%d2
  11. beq.s .L__lshrdi3_returnn
  12. subq.w #1,%d2
  13. .L__lshrdi3_loop:
  14. lsr.l #1,%d0
  15. roxr.l #1,%d1
  16. dbra.w %d2,.L__lshrdi3_loop
  17. .L__lshrdi3_returnn:
  18. rts
  19. .L__lshrdi3_return0:
  20. moveq.l #0,%d0
  21. moveq.l #0,%d1
  22. rts