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/ IRIX Base Documentation 2001 May / SGI IRIX Base Documentation 2001 May.iso / usr / share / catman / p_man / cat3c / fpgetmask.z / fpgetmask
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Text File  |  1998-10-20  |  6.1 KB  |  133 lines
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  4. ffffppppggggeeeettttmmmmaaaasssskkkk((((3333CCCC))))                                                    ffffppppggggeeeettttmmmmaaaasssskkkk((((3333CCCC))))
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  8. NNNNAAAAMMMMEEEE
  9.      fpgetmask, fpgetround, fpgetsticky, fpsetmask, fpsetround, fpsetsticky -
  10.      fetch/set subfields of floating-point control status register of MIPS
  11.      floating-point units
  12.  
  13. SSSSYYYYNNNNOOOOPPPPSSSSIIIISSSS
  14.      _####_iiii_nnnn_cccc_llll_uuuu_dddd_eeee _<<<<_iiii_eeee_eeee_eeee_ffff_pppp_...._hhhh_>>>>
  15.  
  16.      _####_dddd_eeee_ffff_iiii_nnnn_eeee _ffff_pppp______eeee_xxxx_cccc_eeee_pppp_tttt       _iiii_nnnn_tttt
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  18.      _tttt_yyyy_pppp_eeee_dddd_eeee_ffff _eeee_nnnn_uuuu_mmmm    _ffff_pppp______rrrr_nnnn_dddd _{{{{
  19.          _FFFF_PPPP______RRRR_NNNN _==== _0000_,,,,  _////_**** _rrrr_oooo_uuuu_nnnn_dddd _tttt_oooo _nnnn_eeee_aaaa_rrrr_eeee_ssss_tttt _rrrr_eeee_pppp_rrrr_eeee_ssss_eeee_nnnn_tttt_aaaa_bbbb_llll_eeee _nnnn_uuuu_mmmm_bbbb_eeee_rrrr_,,,,
  20.                         _tttt_iiii_eeee _----_>>>> _eeee_vvvv_eeee_nnnn _****_////
  21.          _FFFF_PPPP______RRRR_ZZZZ _==== _1111_,,,,  _////_**** _rrrr_oooo_uuuu_nnnn_dddd _tttt_oooo_wwww_aaaa_rrrr_dddd _zzzz_eeee_rrrr_oooo _((((_tttt_rrrr_uuuu_nnnn_cccc_aaaa_tttt_eeee_)))) _****_////
  22.          _FFFF_PPPP______RRRR_PPPP _==== _2222_,,,,  _////_**** _rrrr_oooo_uuuu_nnnn_dddd _tttt_oooo_wwww_aaaa_rrrr_dddd _pppp_llll_uuuu_ssss _iiii_nnnn_ffff_iiii_nnnn_iiii_tttt_yyyy   _****_////
  23.          _FFFF_PPPP______RRRR_MMMM _==== _3333   _////_**** _rrrr_oooo_uuuu_nnnn_dddd _tttt_oooo_wwww_aaaa_rrrr_dddd _mmmm_iiii_nnnn_uuuu_ssss _iiii_nnnn_ffff_iiii_nnnn_iiii_tttt_yyyy  _****_////
  24.          _}}}} _ffff_pppp______rrrr_nnnn_dddd_;;;;
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  26.      _ffff_pppp______eeee_xxxx_cccc_eeee_pppp_tttt _ffff_pppp_gggg_eeee_tttt_mmmm_aaaa_ssss_kkkk_((((_vvvv_oooo_iiii_dddd_))))_;;;;
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  28.      _ffff_pppp______rrrr_nnnn_dddd    _ffff_pppp_gggg_eeee_tttt_rrrr_oooo_uuuu_nnnn_dddd_((((_vvvv_oooo_iiii_dddd_))))_;;;;
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  30.      _ffff_pppp______eeee_xxxx_cccc_eeee_pppp_tttt _ffff_pppp_gggg_eeee_tttt_ssss_tttt_iiii_cccc_kkkk_yyyy_((((_vvvv_oooo_iiii_dddd_))))_;;;;
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  32.      _ffff_pppp______eeee_xxxx_cccc_eeee_pppp_tttt _ffff_pppp_ssss_eeee_tttt_mmmm_aaaa_ssss_kkkk_((((_ffff_pppp______eeee_xxxx_cccc_eeee_pppp_tttt_))))_;;;;
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  34.      _ffff_pppp______rrrr_nnnn_dddd    _ffff_pppp_ssss_eeee_tttt_rrrr_oooo_uuuu_nnnn_dddd_((((_ffff_pppp______rrrr_nnnn_dddd_))))_;;;;
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  36.      _ffff_pppp______eeee_xxxx_cccc_eeee_pppp_tttt _ffff_pppp_ssss_eeee_tttt_ssss_tttt_iiii_cccc_kkkk_yyyy_((((_ffff_pppp______eeee_xxxx_cccc_eeee_pppp_tttt_))))_;;;;
  37.  
  38. DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
  39.      These routines fetch/set various subfields of the floating-
  40.      point control status register of the floating-point unit.
  41.  
  42.      _ffff_pppp_gggg_eeee_tttt_mmmm_aaaa_ssss_kkkk returns the current exception mask.
  43.  
  44.      _ffff_pppp_gggg_eeee_tttt_rrrr_oooo_uuuu_nnnn_dddd returns the current rounding mode.
  45.  
  46.      _ffff_pppp_gggg_eeee_tttt_ssss_tttt_iiii_cccc_kkkk_yyyy returns the logged exceptions.
  47.  
  48.      _ffff_pppp_ssss_eeee_tttt_mmmm_aaaa_ssss_kkkk sets the exception mask, returning the previous
  49.      exception mask.  Any sticky bit whose corresponding mask bit is being
  50.      enabled is cleared.
  51.  
  52.      _ffff_pppp_ssss_eeee_tttt_rrrr_oooo_uuuu_nnnn_dddd sets the rounding mode, returning the previous
  53.      rounding mode.
  54.  
  55.      _ffff_pppp_ssss_eeee_tttt_ssss_tttt_iiii_cccc_kkkk_yyyy sets the logged exceptions, returning the previous logged
  56.      exceptions.
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  63.                                                                         PPPPaaaaggggeeee 1111
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  70. ffffppppggggeeeettttmmmmaaaasssskkkk((((3333CCCC))))                                                    ffffppppggggeeeettttmmmmaaaasssskkkk((((3333CCCC))))
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  74. SSSSEEEEEEEE AAAALLLLSSSSOOOO
  75.      _ffff_pppp_cccc(3C), _ssss_iiii_gggg_ffff_pppp_eeee(3C)
  76.      R4000 Microprocessor User's Manual
  77.  
  78. NNNNOOOOTTTTEEEESSSS
  79.      All of these routines take and/or return their values right justified.
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  129.                                                                         PPPPaaaaggggeeee 2222
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