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Leaked source code of windows server 2003
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windows-server-2003/base/crts/fpw32/tran/amd64/fpsr.asm

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commiting as it is
4 years ago
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  1. include ksamd64.inc
  3. public _get_fpsr
  4. _status$ = 0
  5. NESTED_ENTRY _get_fpsr, _TEXT$00
  6. sub rsp, 8
  7. .allocstack 8
  8. .endprolog
  9. stmxcsr DWORD PTR _status$[rsp]
  10. mov eax, DWORD PTR _status$[rsp]
  11. add rsp, 8
  12. ret
  13. NESTED_END _get_fpsr, _TEXT$00
  15. PUBLIC _set_fpsr
  16. _TEXT SEGMENT
  17. _status$ = 8
  18. _set_fpsr PROC NEAR
  19. mov DWORD PTR _status$[rsp], ecx
  20. ldmxcsr DWORD PTR _status$[rsp]
  21. ret
  22. _set_fpsr ENDP
  23. _TEXT ENDS
  25. PUBLIC _fclrf
  26. _TEXT SEGMENT
  27. _fclrf PROC NEAR
  28. stmxcsr DWORD PTR _status$[rsp]
  29. mov ecx, 0ffffffc0h
  30. and DWORD PTR _status$[rsp], ecx
  31. ldmxcsr DWORD PTR _status$[rsp]
  32. ret
  33. _fclrf ENDP
  34. _TEXT ENDS
  36. PUBLIC _frnd
  37. _TEXT SEGMENT
  38. _frnd PROC NEAR
  39. cvtpd2dq xmm(1), xmm(0)
  40. cvtdq2pd xmm(0), xmm(1)
  41. ret
  42. _frnd ENDP
  43. _TEXT ENDS
  45. END