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Annotation of OpenXM_contrib/gmp/tune/sparcv9.asm, Revision 1.1.1.2

1.1       maekawa     1: dnl  Sparc v9 32-bit time stamp counter access routine.
                      2:
1.1.1.2 ! ohara       3: dnl  Copyright 2000 Free Software Foundation, Inc.
1.1       maekawa     4: dnl
                      5: dnl  This file is part of the GNU MP Library.
                      6: dnl
                      7: dnl  The GNU MP Library is free software; you can redistribute it and/or
                      8: dnl  modify it under the terms of the GNU Lesser General Public License as
                      9: dnl  published by the Free Software Foundation; either version 2.1 of the
                     10: dnl  License, or (at your option) any later version.
                     11: dnl
                     12: dnl  The GNU MP Library is distributed in the hope that it will be useful,
                     13: dnl  but WITHOUT ANY WARRANTY; without even the implied warranty of
                     14: dnl  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
                     15: dnl  Lesser General Public License for more details.
                     16: dnl
                     17: dnl  You should have received a copy of the GNU Lesser General Public
                     18: dnl  License along with the GNU MP Library; see the file COPYING.LIB.  If
                     19: dnl  not, write to the Free Software Foundation, Inc., 59 Temple Place -
                     20: dnl  Suite 330, Boston, MA 02111-1307, USA.
                     21:
                     22: include(`../config.m4')
                     23:
                     24:
                     25: C void speed_cyclecounter (unsigned p[2]);
                     26: C
                     27: C Get the sparc v9 tick counter.
                     28:
                     29: ASM_START()
                     30: PROLOGUE(speed_cyclecounter)
                     31:        rd      %tick,%g1
                     32:        st      %g1,[%o0]               C low 32 bits
                     33:        srlx    %g1,32,%g4
                     34:        retl
                     35:        st      %g4,[%o0+4]             C high 32 bits
                     36: EPILOGUE(speed_cyclecounter)