45 lines
1.2 KiB
NASM
45 lines
1.2 KiB
NASM
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dnl PowerPC mftb_function -- read time base registers.
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dnl Copyright 2002 Free Software Foundation, Inc.
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dnl
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dnl This file is part of the GNU MP Library.
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dnl
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dnl The GNU MP Library is free software; you can redistribute it and/or
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dnl modify it under the terms of the GNU Lesser General Public License as
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dnl published by the Free Software Foundationn; either version 2.1 of the
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dnl License, or (at your option) any later version.
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dnl
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dnl The GNU MP Library is distributed in the hope that it will be useful,
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dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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dnl Lesser General Public License for more details.
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dnl
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dnl You should have received a copy of the GNU Lesser General Public
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dnl License along with the GNU MP Library; see the file COPYING.LIB. If
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dnl not, write to the Free Software Foundation, Inc., 51 Franklin Street,
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dnl Fifth Floor, Boston, MA 02110-1301, USA.
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include(`../config.m4')
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C void mftb_function (unsigned a[2]);
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C
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ASM_START()
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PROLOGUE(mftb_function)
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C r3 a
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L(again):
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mftbu r4
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mftb r5
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mftbu r6
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cmp cr0, r4, r6
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bne L(again)
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stw r5, 0(r3)
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stw r4, 4(r3)
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blr
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EPILOGUE()
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