sysdeps/powerpc/powerpc32/power4/fpu/s_llrint.S

   1 /* Round double to long int.  PowerPC32 on PowerPC64 version.
   2    Copyright (C) 2004-2019 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-double.h>
  22
  23 /* long long int[r3, r4] __llrint (double x[fp1])  */
  24 ENTRY (__llrint)
  25         CALL_MCOUNT
  26         stwu    r1,-16(r1)
  27         cfi_adjust_cfa_offset (16)
  28         fctid   fp13,fp1
  29         stfd    fp13,8(r1)
  30         nop     /* Insure the following load is in a different dispatch group */
  31         nop     /* to avoid pipe stall on POWER4&5.  */
  32         nop
  33         lwz     r3,8+HIWORD(r1)
  34         lwz     r4,8+LOWORD(r1)
  35         addi    r1,r1,16
  36         blr
  37         END (__llrint)
  38
  39 libm_alias_double (__llrint, llrint)