glibc/sysdeps/hppa/rshift.S

63 lines
1.5 KiB
ArmAsm
Raw Normal View History

2013-06-05 20:26:40 +00:00
;! HP-PA __mpn_rshift --
1995-10-16 01:18:40 +00:00
;! Copyright (C) 1992-2015 Free Software Foundation, Inc.
1995-10-16 01:18:40 +00:00
;! This file is part of the GNU MP Library.
1995-10-16 01:18:40 +00:00
;! The GNU MP Library is free software; you can redistribute it and/or modify
2001-07-07 10:13:33 +00:00
;! it under the terms of the GNU Lesser General Public License as published by
;! the Free Software Foundation; either version 2.1 of the License, or (at your
;! option) any later version.
1995-10-16 01:18:40 +00:00
;! The GNU MP Library is distributed in the hope that it will be useful, but
;! WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
2001-07-07 10:13:33 +00:00
;! or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
;! License for more details.
1995-10-16 01:18:40 +00:00
2001-07-07 10:13:33 +00:00
;! You should have received a copy of the GNU Lesser General Public License
2012-03-09 23:56:38 +00:00
;! along with the GNU MP Library. If not, see
;! <http://www.gnu.org/licenses/>.
1995-10-16 01:18:40 +00:00
;! INPUT PARAMETERS
;! res_ptr gr26
;! s_ptr gr25
;! size gr24
;! cnt gr23
1995-10-16 01:18:40 +00:00
.text
1995-10-16 01:18:40 +00:00
.export __mpn_rshift
__mpn_rshift:
1995-10-16 01:18:40 +00:00
.proc
.callinfo frame=64,no_calls
.entry
ldws,ma 4(%r25),%r22
1995-10-16 01:18:40 +00:00
mtsar %r23
addib,= -1,%r24,L$0004
vshd %r22,%r0,%r28 ;! compute carry out limb
ldws,ma 4(%r25),%r29
1995-10-16 01:18:40 +00:00
addib,= -1,%r24,L$0002
vshd %r29,%r22,%r20
L$loop: ldws,ma 4(%r25),%r22
stws,ma %r20,4(%r26)
1995-10-16 01:18:40 +00:00
addib,= -1,%r24,L$0003
vshd %r22,%r29,%r20
ldws,ma 4(%r25),%r29
stws,ma %r20,4(%r26)
1995-10-16 01:18:40 +00:00
addib,<> -1,%r24,L$loop
vshd %r29,%r22,%r20
L$0002: stws,ma %r20,4(%r26)
1995-10-16 01:18:40 +00:00
vshd %r0,%r29,%r20
bv 0(%r2)
stw %r20,0(%r26)
L$0003: stws,ma %r20,4(%r26)
L$0004: vshd %r0,%r22,%r20
1995-10-16 01:18:40 +00:00
bv 0(%r2)
stw %r20,0(%r26)
1995-10-16 01:18:40 +00:00
.exit
.procend