1 ; HP-PA 2.0 __gmpn_lshift --
3 ; Copyright (C) 1997, 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 ; This runs at 1.5 cycles/limb on PA8000.
33 .export __gmpn_lshift,entry
36 .callinfo frame=0,args_saved
39 shladd %r24,3,%r25,%r25
40 shladd %r24,3,%r26,%r26
45 shrpd %r0,%r21,%sar,%r29 ; compute carry out limb
46 depw,z %r24,31,3,%r28 ; r28 = (size & 7)
48 depw,z %r22,28,3,%r22 ; r22 = 8 * (-size & 7)
49 add %r25,%r22,%r25 ; offset s1_ptr
50 blr %r28,%r0 ; branch into jump table
51 add %r26,%r22,%r26 ; offset res_ptr
70 L$0 ldd -16(%r25),%r20
71 shrpd %r21,%r20,%sar,%r21
73 L$7 ldd -24(%r25),%r21
74 shrpd %r20,%r21,%sar,%r20
76 L$6 ldd -32(%r25),%r20
77 shrpd %r21,%r20,%sar,%r21
79 L$5 ldd -40(%r25),%r21
80 shrpd %r20,%r21,%sar,%r20
82 L$4 ldd -48(%r25),%r20
83 shrpd %r21,%r20,%sar,%r21
85 L$3 ldd -56(%r25),%r21
86 shrpd %r20,%r21,%sar,%r20
88 L$2 ldd -64(%r25),%r20
89 shrpd %r21,%r20,%sar,%r21
91 L$1 ldd -72(%r25),%r21
93 shrpd %r20,%r21,%sar,%r20
95 addib,> -8,%r24,L$loop
98 L$end shrpd %r21,%r0,%sar,%r21