sysdeps/ia64/fpu/s_fpclassify.S

   1 /* Return classification value corresponding to argument.
   2    Copyright (C) 2000-2015 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <sysdep.h>
  20 #undef ret
  21
  22 ENTRY (__fpclassify)
  23 {
  24 .mfi
  25         fclass.m p6, p7 = farg0, @nat | @qnan | @snan
  26         ;;
  27 }
  28 {
  29 .mfb
  30 (p6)    mov ret0 = 0
  31 (p7)    fclass.m p7, p8 = farg0, @inf
  32 (p6)    br.ret.sptk.many rp
  33         ;;
  34 }
  35 {
  36 .mfb
  37 (p7)    mov ret0 = 1
  38 (p8)    fclass.m p8, p6 = farg0, @zero
  39 (p7)    br.ret.sptk.many rp
  40         ;;
  41 }
  42 {
  43 .mfb
  44 (p8)    mov ret0 = 2
  45 (p6)    fclass.m p6, p7 = farg0, @unorm
  46 (p8)    br.ret.sptk.many rp
  47         ;;
  48 }
  49 {
  50         .pred.rel.mutex p6, p7
  51 (p6)    mov ret0 = 3
  52 (p7)    mov ret0 = 4
  53         br.ret.sptk.many rp
  54 }
  55 END (__fpclassify)
  56
  57 strong_alias (__fpclassify, __fpclassifyf)
  58 strong_alias (__fpclassify, __fpclassifyl)
  59 libm_hidden_def (__fpclassify)
  60 libm_hidden_def (__fpclassifyf)
  61 libm_hidden_def (__fpclassifyl)