sysdeps/powerpc/powerpc64/fpu/s_llrint.S

   1 /* Round double to long int.  PowerPC64 version.
   2    Copyright (C) 2004-2018 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 #include <math_ldbl_opt.h>
  21 #include <libm-alias-float.h>
  22 #include <libm-alias-double.h>
  23
  24 /* long long int[r3] __llrint (double x[fp1])  */
  25 ENTRY_TOCLESS (__llrint)
  26         CALL_MCOUNT 0
  27         fctid   fp13,fp1
  28         stfd    fp13,-16(r1)
  29         nop     /* Insure the following load is in a different dispatch group */
  30         nop     /* to avoid pipe stall on POWER4&5.  */
  31         nop
  32         ld      r3,-16(r1)
  33         blr
  34         END (__llrint)
  35
  36 strong_alias (__llrint, __lrint)
  37 libm_alias_double (__llrint, llrint)
  38 libm_alias_double (__lrint, lrint)
  39 /* The double version also works for single-precision as both float and
  40    double parameters are passed in 64bit FPRs and both versions are expected
  41    to return [long] long type.  */
  42 strong_alias (__llrint, __llrintf)
  43 libm_alias_float (__llrint, llrint)
  44 strong_alias (__lrint, __lrintf)
  45 libm_alias_float (__lrint, lrint)