1 ! SPARC v9 __gmpn_lshift --
3 ! Copyright (C) 1996, 2000 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 Lesser General Public License as published by
9 ! the Free Software Foundation; either version 2.1 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 Lesser General Public
15 ! License for more details.
17 ! You should have received a copy of the GNU Lesser 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,
29 include(`../config.m4')
32 .register %g2,#scratch
33 .register %g3,#scratch
36 add %o1,%g1,%o1 ! make %o1 point at end of src
37 ldx [%o1-8],%g2 ! load first limb
38 sub %g0,%o3,%o5 ! negate shift count
39 add %o0,%g1,%o0 ! make %o0 point at end of res
41 and %o2,4-1,%g4 ! number of limbs in first loop
42 srlx %g2,%o5,%g1 ! compute function result
43 brz,pn %g4,L(0) ! if multiple of 4 limbs, skip first loop
46 sub %o2,%g4,%o2 ! adjust count for main loop
60 L(0): brz,pn %o2,L(end)
93 L(end): sllx %g2,%o3,%g2