1dnl HP-PA mpn_lshift -- Shift a number left. 2 3dnl Copyright 1992, 1994, 2000-2002 Free Software Foundation, Inc. 4 5dnl This file is part of the GNU MP Library. 6dnl 7dnl The GNU MP Library is free software; you can redistribute it and/or modify 8dnl it under the terms of either: 9dnl 10dnl * the GNU Lesser General Public License as published by the Free 11dnl Software Foundation; either version 3 of the License, or (at your 12dnl option) any later version. 13dnl 14dnl or 15dnl 16dnl * the GNU General Public License as published by the Free Software 17dnl Foundation; either version 2 of the License, or (at your option) any 18dnl later version. 19dnl 20dnl or both in parallel, as here. 21dnl 22dnl The GNU MP Library is distributed in the hope that it will be useful, but 23dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 24dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 25dnl for more details. 26dnl 27dnl You should have received copies of the GNU General Public License and the 28dnl GNU Lesser General Public License along with the GNU MP Library. If not, 29dnl see https://www.gnu.org/licenses/. 30 31include(`../config.m4') 32 33C INPUT PARAMETERS 34C res_ptr gr26 35C s_ptr gr25 36C size gr24 37C cnt gr23 38 39ASM_START() 40PROLOGUE(mpn_lshift) 41 sh2add %r24,%r25,%r25 42 sh2add %r24,%r26,%r26 43 ldws,mb -4(0,%r25),%r22 44 subi 32,%r23,%r1 45 mtsar %r1 46 addib,= -1,%r24,L(0004) 47 vshd %r0,%r22,%r28 C compute carry out limb 48 ldws,mb -4(0,%r25),%r29 49 addib,= -1,%r24,L(0002) 50 vshd %r22,%r29,%r20 51 52LDEF(loop) 53 ldws,mb -4(0,%r25),%r22 54 stws,mb %r20,-4(0,%r26) 55 addib,= -1,%r24,L(0003) 56 vshd %r29,%r22,%r20 57 ldws,mb -4(0,%r25),%r29 58 stws,mb %r20,-4(0,%r26) 59 addib,<> -1,%r24,L(loop) 60 vshd %r22,%r29,%r20 61 62LDEF(0002) 63 stws,mb %r20,-4(0,%r26) 64 vshd %r29,%r0,%r20 65 bv 0(%r2) 66 stw %r20,-4(0,%r26) 67 68LDEF(0003) 69 stws,mb %r20,-4(0,%r26) 70 71LDEF(0004) 72 vshd %r22,%r0,%r20 73 bv 0(%r2) 74 stw %r20,-4(0,%r26) 75EPILOGUE() 76