sysdeps/sparc/sparc32/sparcv9/hp-timing.h

   1 /* High precision, low overhead timing functions.  sparcv9 version.
   2    Copyright (C) 2001-2018 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by David S. Miller <davem@redhat.com>, 2001.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef _HP_TIMING_H
  21 #define _HP_TIMING_H    1
  22
  23 #define HP_TIMING_AVAIL         (1)
  24 #define HP_SMALL_TIMING_AVAIL   (1)
  25 #define HP_TIMING_INLINE        (1)
  26
  27 typedef unsigned long long int hp_timing_t;
  28
  29 #define HP_TIMING_NOW(Var) \
  30       __asm__ __volatile__ ("rd %%tick, %L0\n\t" \
  31                             "srlx %L0, 32, %H0" \
  32                             : "=r" (Var))
  33
  34 #include <hp-timing-common.h>
  35
  36 #endif  /* hp-timing.h */