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; Copyright (C) 1999, 2000 Free Software Foundation, Inc.
; This file is part of the GNU MP Library.
; The GNU MP Library is free software; you can redistribute it and/or modify
; it under the terms of the GNU Library General Public License as published by
; the Free Software Foundation; either version 2 of the License, or (at your
; option) any later version.
; The GNU MP Library is distributed in the hope that it will be useful, but
; WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
; License for more details.
; You should have received a copy of the GNU Library General Public License
; along with the GNU MP Library; see the file COPYING.LIB. If not, write to
; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
; MA 02111-1307, USA.
#define p0 %r28
#define p1 %r29
#define t32 %r19
#define t0 %r20
#define t1 %r21
#define x %r22
#define m0 %r23
#define m1 %r24
.level 2.0n
.code
.export __gmpn_umul_ppmm
__gmpn_umul_ppmm
.proc
.callinfo frame=128,no_calls
.entry
ldo 128(%r30),%r30
depd %r25,31,32,%r26
std %r26,-64(%r30)
depd %r23,31,32,%r24
std %r24,-56(%r30)
ldw -180(%r30),%r31
fldd -64(%r30),%fr4
fldd -56(%r30),%fr5
xmpyu %fr5R,%fr4R,%fr6
fstd %fr6,-128(%r30)
xmpyu %fr5R,%fr4L,%fr7
fstd %fr7,-120(%r30)
xmpyu %fr5L,%fr4R,%fr8
fstd %fr8,-112(%r30)
xmpyu %fr5L,%fr4L,%fr9
fstd %fr9,-104(%r30)
depdi,z 1,31,1,t32 ; t32 = 2^32
ldd -128(%r30),p0 ; lo = low 64 bit of product
ldd -120(%r30),m0 ; m0 = mid0 64 bit of product
ldd -112(%r30),m1 ; m1 = mid1 64 bit of product
ldd -104(%r30),p1 ; hi = high 64 bit of product
add,l,*nuv m0,m1,x ; x = m1+m0
add,l t32,p1,p1 ; propagate carry to mid of p1
depd,z x,31,32,t0 ; lo32(m1+m0)
add t0,p0,p0
extrd,u x,31,32,t1 ; hi32(m1+m0)
add,dc t1,p1,p1
std p0,0(%r31) ; store low half of product
extrd,u p1,31,32,%r28 ; return high half of product
bve (%r2)
.exit
ldo -128(%r30),%r30
.procend
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