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; Copyright 1999, 2000 Free Software Foundation, Inc.
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; This file is part of the GNU MP Library.
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; The GNU MP Library is free software; you can redistribute it and/or modify
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; it under the terms of the GNU Lesser General Public License as published by
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; the Free Software Foundation; either version 2.1 of the License, or (at your
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; option) any later version.
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; The GNU MP Library is distributed in the hope that it will be useful, but
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; WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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; License for more details.
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; You should have received a copy of the GNU Lesser General Public License
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; along with the GNU MP Library; see the file COPYING.LIB. If not, write to
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; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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.export __gmpn_umul_ppmm,entry
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.callinfo frame=128,no_calls
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xmpyu %fr5R,%fr4R,%fr6
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xmpyu %fr5R,%fr4L,%fr7
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xmpyu %fr5L,%fr4R,%fr8
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xmpyu %fr5L,%fr4L,%fr9
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depdi,z 1,31,1,t32 ; t32 = 2^32
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ldd -128(%r30),p0 ; lo = low 64 bit of product
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ldd -120(%r30),m0 ; m0 = mid0 64 bit of product
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ldd -112(%r30),m1 ; m1 = mid1 64 bit of product
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ldd -104(%r30),p1 ; hi = high 64 bit of product
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add,l,*nuv m0,m1,x ; x = m1+m0
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add,l t32,p1,p1 ; propagate carry to mid of p1
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depd,z x,31,32,t0 ; lo32(m1+m0)
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extrd,u x,31,32,t1 ; hi32(m1+m0)
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std p0,0(%r31) ; store low half of product
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copy p1,%r28 ; return high half of product