1 ! sparc __mpn_lshift --
3 ! Copyright (C) 1995, 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,
33 .global C_SYMBOL_NAME(__mpn_lshift)
34 C_SYMBOL_NAME(__mpn_lshift):
36 add %o1,%g1,%o1 ! make %o1 point at end of src
37 ld [%o1-4],%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 andcc %o2,4-1,%g4 ! number of limbs in first loop
42 srl %g2,%o5,%g1 ! compute function result
43 be L0 ! if multiple of 4 limbs, skip first loop
46 sub %o2,%g4,%o2 ! adjust count for main loop