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dnl SPARC mpn_submul_1 -- Multiply a limb vector with a limb and subtract
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dnl the result from a second limb vector.
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dnl Copyright 1992, 1993, 1994, 2000 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 to
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dnl the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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dnl MA 02111-1307, USA.
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include(`../config.m4')
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PROLOGUE(mpn_submul_1)
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C Make S1_PTR and RES_PTR point at the end of their blocks
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C and put (- 4 x SIZE) in index/loop counter.
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add %o0,%o2,%o4 C RES_PTR in o4 since o0 is retval
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addx %g2,%g4,%o0 C add sign-compensation and cy to hi limb
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addcc %o2,4,%o2 C loop counter
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sra %o3,31,%g4 C g4 = mask of ones iff S2_LIMB < 0
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EPILOGUE(mpn_submul_1)