44 lines
1.4 KiB
NASM
44 lines
1.4 KiB
NASM
dnl SPARC v9 32-bit mpn_udiv_qrnnd - division support for longlong.h.
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dnl Copyright 2002, 2003 Free Software Foundation, Inc.
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dnl This file is part of the GNU MP Library.
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dnl The GNU MP Library is free software; you can redistribute it and/or modify
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dnl it under the terms of the GNU Lesser General Public License as published
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dnl by the Free Software Foundation; either version 2.1 of the License, or (at
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dnl your option) any later version.
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dnl The GNU MP Library is distributed in the hope that it will be useful, but
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dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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dnl License for more details.
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dnl You should have received a copy of the GNU Lesser General Public License
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dnl along with the GNU MP Library; see the file COPYING.LIB. If not, write
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dnl to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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dnl Boston, MA 02110-1301, USA.
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include(`../config.m4')
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C INPUT PARAMETERS
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C rem_ptr o0
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C n1 o1
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C n0 o2
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C d o3
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ASM_START()
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PROLOGUE(mpn_udiv_qrnnd)
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sllx %o1, 32, %g1 C shift upper dividend limb
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srl %o2, 0, %g2 C zero extend lower dividend limb
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srl %o3, 0, %g3 C zero extend divisor
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or %g2, %g1, %g1 C assemble 64-bit dividend
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udivx %g1, %g3, %g1
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mulx %g1, %g3, %g4
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sub %g2, %g4, %g2
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st %g2, [%o0] C store remainder
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retl
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mov %g1, %o0 C return quotient
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EPILOGUE(mpn_udiv_qrnnd)
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