hppa2.asm
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上传日期:2022-08-06
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- dnl HPPA 64-bit time stamp counter access routine.
- dnl Copyright 2000, 2002, 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')
- dnl void speed_cyclecounter (unsigned p[2]);
- dnl
- dnl Get the HPPA interval timer.
- .level 2.0
- PROLOGUE(speed_cyclecounter)
- mfctl %cr16,%r28
- stw %r28,0(0,%r26) ; low word
- extrd,u %r28,31,32,%r28
- bve (%r2)
- stw %r28,4(0,%r26) ; high word
- EPILOGUE(speed_cyclecounter)