| dnl Sparc v9 32-bit time stamp counter access routine. |
| |
| dnl Copyright 2000, 2005 Free Software Foundation, Inc. |
| dnl |
| dnl This file is part of the GNU MP Library. |
| dnl |
| dnl The GNU MP Library is free software; you can redistribute it and/or |
| dnl modify it under the terms of the GNU Lesser General Public License as |
| dnl published by the Free Software Foundation; either version 3 of the |
| dnl License, or (at your option) any later version. |
| dnl |
| dnl The GNU MP Library is distributed in the hope that it will be useful, |
| dnl but WITHOUT ANY WARRANTY; without even the implied warranty of |
| dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| dnl Lesser General Public License for more details. |
| dnl |
| dnl You should have received a copy of the GNU Lesser General Public License |
| dnl along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. |
| |
| include(`../config.m4') |
| |
| |
| C void speed_cyclecounter (unsigned p[2]); |
| C |
| C Get the sparc v9 tick counter. |
| |
| ASM_START() |
| PROLOGUE(speed_cyclecounter) |
| rd %tick,%g1 |
| st %g1,[%o0] C low 32 bits |
| srlx %g1,32,%g4 |
| retl |
| st %g4,[%o0+4] C high 32 bits |
| EPILOGUE(speed_cyclecounter) |