1 ; HP-PA 2.0 __gmpn_add_n -- Add two limb vectors of the same length > 0 and
2 ; store sum in a third limb vector.
4 ; Copyright (C) 1997, 2000 Free Software Foundation, Inc.
6 ; This file is part of the GNU MP Library.
8 ; The GNU MP Library is free software; you can redistribute it and/or modify
9 ; it under the terms of the GNU Lesser General Public License as published by
10 ; the Free Software Foundation; either version 2.1 of the License, or (at your
11 ; option) any later version.
13 ; The GNU MP Library is distributed in the hope that it will be useful, but
14 ; WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15 ; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
16 ; License for more details.
18 ; You should have received a copy of the GNU Lesser General Public License
19 ; along with the GNU MP Library; see the file COPYING.LIB. If not, write to
20 ; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
30 ; This runs at 2 cycles/limb on PA8000.
34 .export __gmpn_add_n,entry
37 .callinfo frame=0,args_saved
41 depw,z %r22,30,3,%r28 ; r28 = 2 * (-n & 7)
42 depw,z %r22,28,3,%r22 ; r22 = 8 * (-n & 7)
43 sub %r25,%r22,%r25 ; offset s1_ptr
44 sub %r24,%r22,%r24 ; offset s2_ptr
45 sub %r26,%r22,%r26 ; offset res_ptr
46 blr %r28,%r0 ; branch into loop
47 add %r0,%r0,%r0 ; reset carry
49 L$loop ldd 0(%r25),%r20
83 addib,> -8,%r23,L$loop