1 /* SPARC v9 __mpn_rshift --
3 Copyright (C) 1996 Free Software Foundation, Inc.
5 This file is part of the GNU MP Library.
7 The GNU MP Library is free software; you can redistribute it and/or modify
8 it under the terms of the GNU Library General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or (at your
10 option) any later version.
12 The GNU MP Library is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
15 License for more details.
17 You should have received a copy of the GNU Library General Public License
18 along with the GNU MP Library; see the file COPYING.LIB. If not, write to
19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
20 MA 02111-1307, USA. */
33 ldx [%i1],%g2 ! load first limb
34 sub %g0,%i3,%i5 ! negate shift count
36 and %i2,4-1,%l4 ! number of limbs in first loop
37 sllx %g2,%i5,%g1 ! compute function result
38 brz,pn %l4,.L0 ! if multiple of 4 limbs, skip first loop
41 sub %i2,%l4,%i2 ! adjust count for main loop
43 .Loop0: ldx [%i1+8],%g3
57 .Loop: ldx [%i1+8],%g3
86 .Lend: srlx %g2,%i3,%g2