diff options
| author | Mike Frysinger <vapier@gentoo.org> | 2005-11-15 00:35:30 +0000 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2005-11-15 00:35:30 +0000 |
| commit | ee9a2651d9e53885deba56d8b253390a04575296 (patch) | |
| tree | da267dc3cf26adc33add1605ca279b1a910757d6 /libc/sysdeps/linux/hppa/lshift.S | |
| parent | 190e8c6c41b41b502f8b109296a2d9d48a1a5560 (diff) | |
import some math funcs from glibc
Diffstat (limited to 'libc/sysdeps/linux/hppa/lshift.S')
| -rw-r--r-- | libc/sysdeps/linux/hppa/lshift.S | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/hppa/lshift.S b/libc/sysdeps/linux/hppa/lshift.S new file mode 100644 index 000000000..151b283e5 --- /dev/null +++ b/libc/sysdeps/linux/hppa/lshift.S @@ -0,0 +1,66 @@ +;! HP-PA __mpn_lshift -- + +;! Copyright (C) 1992, 1994 Free Software Foundation, Inc. + +;! This file is part of the GNU MP Library. + +;! The GNU MP Library is free software; you can redistribute it and/or modify +;! 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. + +;! 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 +;! or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public +;! License for more details. + +;! You should have received a copy of the GNU Lesser General Public License +;! along with the GNU MP Library; see the file COPYING.LIB. If not, write to +;! the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +;! MA 02111-1307, USA. + + +;! INPUT PARAMETERS +;! res_ptr gr26 +;! s_ptr gr25 +;! size gr24 +;! cnt gr23 + + .text + .export __mpn_lshift +__mpn_lshift: + .proc + .callinfo frame=64,no_calls + .entry + + sh2add %r24,%r25,%r25 + sh2add %r24,%r26,%r26 + ldws,mb -4(%r25),%r22 + subi 32,%r23,%r1 + mtsar %r1 + addib,= -1,%r24,L$0004 + vshd %r0,%r22,%r28 ;! compute carry out limb + ldws,mb -4(%r25),%r29 + addib,= -1,%r24,L$0002 + vshd %r22,%r29,%r20 + +L$loop: ldws,mb -4(%r25),%r22 + stws,mb %r20,-4(%r26) + addib,= -1,%r24,L$0003 + vshd %r29,%r22,%r20 + ldws,mb -4(%r25),%r29 + stws,mb %r20,-4(%r26) + addib,<> -1,%r24,L$loop + vshd %r22,%r29,%r20 + +L$0002: stws,mb %r20,-4(%r26) + vshd %r29,%r0,%r20 + bv 0(%r2) + stw %r20,-4(%r26) +L$0003: stws,mb %r20,-4(%r26) +L$0004: vshd %r22,%r0,%r20 + bv 0(%r2) + stw %r20,-4(%r26) + + .exit + .procend |