lshrdi3.S (1680B)
1/* Copyright 1995, 1996, 1998, 1999, 2000, 2003, 2004, 2005 2 Free Software Foundation, Inc. 3 4This file is free software; you can redistribute it and/or modify it 5under the terms of the GNU General Public License as published by the 6Free Software Foundation; either version 2, or (at your option) any 7later version. 8 9In addition to the permissions in the GNU General Public License, the 10Free Software Foundation gives you unlimited permission to link the 11compiled version of this file into combinations with other programs, 12and to distribute those combinations without any restriction coming 13from the use of this file. (The General Public License restrictions 14do apply in other respects; for example, they cover modification of 15the file, and distribution when not linked into a combine 16executable.) 17 18This file is distributed in the hope that it will be useful, but 19WITHOUT ANY WARRANTY; without even the implied warranty of 20MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 21General Public License for more details. 22 23You should have received a copy of the GNU General Public License 24along with this program; see the file COPYING. If not, write to 25the Free Software Foundation, 51 Franklin Street, Fifth Floor, 26Boston, MA 02110-1301, USA. */ 27 28 29#include <linux/linkage.h> 30#include <asm/assembler.h> 31 32#ifdef __ARMEB__ 33#define al r1 34#define ah r0 35#else 36#define al r0 37#define ah r1 38#endif 39 40ENTRY(__lshrdi3) 41ENTRY(__aeabi_llsr) 42 43 subs r3, r2, #32 44 rsb ip, r2, #32 45 movmi al, al, lsr r2 46 movpl al, ah, lsr r3 47 ARM( orrmi al, al, ah, lsl ip ) 48 THUMB( lslmi r3, ah, ip ) 49 THUMB( orrmi al, al, r3 ) 50 mov ah, ah, lsr r2 51 ret lr 52 53ENDPROC(__lshrdi3) 54ENDPROC(__aeabi_llsr)