1/* hppa rshift 2 * 3 * Copyright (C) 1992, 1994, 1998, 4 * 2001, 2002 Free Software Foundation, Inc. 5 * 6 * This file is part of Libgcrypt. 7 * 8 * Libgcrypt is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU Lesser General Public License as 10 * published by the Free Software Foundation; either version 2.1 of 11 * the License, or (at your option) any later version. 12 * 13 * Libgcrypt is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU Lesser General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public 19 * License along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA 21 */ 22 23 24 25 26/******************* 27 * mpi_limb_t 28 * _gcry_mpih_rshift( mpi_ptr_t wp, (gr26) 29 * mpi_ptr_t up, (gr25) 30 * mpi_size_t usize, (gr24) 31 * unsigned cnt) (gr23) 32 */ 33 34 .code 35 .export _gcry_mpih_rshift 36 .label _gcry_mpih_rshift 37 .proc 38 .callinfo frame=64,no_calls 39 .entry 40 41 ldws,ma 4(0,%r25),%r22 42 mtsar %r23 43 addib,= -1,%r24,L$r004 44 vshd %r22,%r0,%r28 ; compute carry out limb 45 ldws,ma 4(0,%r25),%r29 46 addib,= -1,%r24,L$r002 47 vshd %r29,%r22,%r20 48 49 .label L$roop 50 ldws,ma 4(0,%r25),%r22 51 stws,ma %r20,4(0,%r26) 52 addib,= -1,%r24,L$r003 53 vshd %r22,%r29,%r20 54 ldws,ma 4(0,%r25),%r29 55 stws,ma %r20,4(0,%r26) 56 addib,<> -1,%r24,L$roop 57 vshd %r29,%r22,%r20 58 59 .label L$r002 60 stws,ma %r20,4(0,%r26) 61 vshd %r0,%r29,%r20 62 bv 0(%r2) 63 stw %r20,0(0,%r26) 64 .label L$r003 65 stws,ma %r20,4(0,%r26) 66 .label L$r004 67 vshd %r0,%r22,%r20 68 bv 0(%r2) 69 stw %r20,0(0,%r26) 70 71 .exit 72 .procend 73 74