1
; Copyright 1999, 2000 Free Software Foundation, Inc.
3
; This file is part of the GNU MP Library.
5
; The GNU MP Library is free software; you can redistribute it and/or modify
6
; it under the terms of the GNU Lesser General Public License as published by
7
; the Free Software Foundation; either version 2.1 of the License, or (at your
8
; option) any later version.
10
; The GNU MP Library is distributed in the hope that it will be useful, but
11
; WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
12
; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
13
; License for more details.
15
; You should have received a copy of the GNU Lesser General Public License
16
; along with the GNU MP Library; see the file COPYING.LIB. If not, write to
17
; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
30
.export __gmpn_umul_ppmm,entry
33
.callinfo frame=128,no_calls
46
xmpyu %fr5R,%fr4R,%fr6
48
xmpyu %fr5R,%fr4L,%fr7
50
xmpyu %fr5L,%fr4R,%fr8
52
xmpyu %fr5L,%fr4L,%fr9
55
depdi,z 1,31,1,t32 ; t32 = 2^32
57
ldd -128(%r30),p0 ; lo = low 64 bit of product
58
ldd -120(%r30),m0 ; m0 = mid0 64 bit of product
59
ldd -112(%r30),m1 ; m1 = mid1 64 bit of product
60
ldd -104(%r30),p1 ; hi = high 64 bit of product
62
add,l,*nuv m0,m1,x ; x = m1+m0
63
add,l t32,p1,p1 ; propagate carry to mid of p1
64
depd,z x,31,32,t0 ; lo32(m1+m0)
66
extrd,u x,31,32,t1 ; hi32(m1+m0)
69
std p0,0(%r31) ; store low half of product
70
extrd,u p1,31,32,%r28 ; return high half of product