1/* hppa lshift 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 * mpi_limb_t 27 * _gcry_mpih_lshift( mpi_ptr_t wp, (gr26) 28 * mpi_ptr_t up, (gr25) 29 * mpi_size_t usize, (gr24) 30 * unsigned cnt) (gr23) 31 */ 32 33 .code 34 .export _gcry_mpih_lshift 35 .label _gcry_mpih_lshift 36 .proc 37 .callinfo frame=64,no_calls 38 .entry 39 40 sh2add %r24,%r25,%r25 41 sh2add %r24,%r26,%r26 42 ldws,mb -4(0,%r25),%r22 43 subi 32,%r23,%r1 44 mtsar %r1 45 addib,= -1,%r24,L$0004 46 vshd %r0,%r22,%r28 ; compute carry out limb 47 ldws,mb -4(0,%r25),%r29 48 addib,= -1,%r24,L$0002 49 vshd %r22,%r29,%r20 50 51 .label L$loop 52 ldws,mb -4(0,%r25),%r22 53 stws,mb %r20,-4(0,%r26) 54 addib,= -1,%r24,L$0003 55 vshd %r29,%r22,%r20 56 ldws,mb -4(0,%r25),%r29 57 stws,mb %r20,-4(0,%r26) 58 addib,<> -1,%r24,L$loop 59 vshd %r22,%r29,%r20 60 61 .label L$0002 62 stws,mb %r20,-4(0,%r26) 63 vshd %r29,%r0,%r20 64 bv 0(%r2) 65 stw %r20,-4(0,%r26) 66 .label L$0003 67 stws,mb %r20,-4(0,%r26) 68 .label L$0004 69 vshd %r22,%r0,%r20 70 bv 0(%r2) 71 stw %r20,-4(0,%r26) 72 73 .exit 74 .procend 75 76 77 78