1 dnl SPARC mpn_rshift
-- Shift a number right.
3 dnl Copyright
1995, 1996, 2000 Free Software Foundation
, Inc.
5 dnl
This file is part of the GNU MP Library.
7 dnl The GNU MP Library is free software
; you can redistribute it and/or modify
8 dnl it under the terms of
either:
10 dnl
* the GNU Lesser General
Public License as published by the Free
11 dnl Software Foundation
; either version 3 of the License, or (at your
12 dnl option
) any later version.
16 dnl
* the GNU General
Public License as published by the Free Software
17 dnl Foundation
; either version 2 of the License, or (at your option) any
20 dnl
or both
in parallel
, as here.
22 dnl The GNU MP Library is distributed
in the hope that it will be useful
, but
23 dnl WITHOUT ANY WARRANTY
; without even the implied warranty of MERCHANTABILITY
24 dnl
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
Public License
27 dnl You should have received copies of the GNU General
Public License
and the
28 dnl GNU Lesser General
Public License along with the GNU MP Library. If
not,
29 dnl see
https://www.gnu.
org/licenses
/.
32 include(`..
/config.m4
')
42 ld [%o1],%g2 C load first limb
43 sub %g0,%o3,%o5 C negate shift count
45 andcc %o2,4-1,%g4 C number of limbs in first loop
46 sll %g2,%o5,%g1 C compute function result
47 be L(0) C if multiple of 4 limbs, skip first loop
50 sub %o2,%g4,%o2 C adjust count for main loop
98 L(end): srl %g2,%o3,%g2