| Nicolas Pitre | f741a1a | 2005-10-30 23:08:03 +0000 | [diff] [blame] | 1 | /* Copyright 1995, 1996, 1998, 1999, 2000, 2003, 2004, 2005 |
| 2 | Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is free software; you can redistribute it and/or modify it |
| 5 | under the terms of the GNU General Public License as published by the |
| 6 | Free Software Foundation; either version 2, or (at your option) any |
| 7 | later version. |
| 8 | |
| 9 | In addition to the permissions in the GNU General Public License, the |
| 10 | Free Software Foundation gives you unlimited permission to link the |
| 11 | compiled version of this file into combinations with other programs, |
| 12 | and to distribute those combinations without any restriction coming |
| 13 | from the use of this file. (The General Public License restrictions |
| 14 | do apply in other respects; for example, they cover modification of |
| 15 | the file, and distribution when not linked into a combine |
| 16 | executable.) |
| 17 | |
| 18 | This file is distributed in the hope that it will be useful, but |
| 19 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 20 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 21 | General Public License for more details. |
| 22 | |
| 23 | You should have received a copy of the GNU General Public License |
| 24 | along with this program; see the file COPYING. If not, write to |
| 25 | the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
| 26 | Boston, MA 02110-1301, USA. */ |
| 27 | |
| 28 | |
| 29 | #include <linux/linkage.h> |
| Russell King | 6ebbf2c | 2014-06-30 16:29:12 +0100 | [diff] [blame] | 30 | #include <asm/assembler.h> |
| Nicolas Pitre | f741a1a | 2005-10-30 23:08:03 +0000 | [diff] [blame] | 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 | |
| 40 | ENTRY(__lshrdi3) |
| Nicolas Pitre | ba95e4e | 2006-01-14 16:18:29 +0000 | [diff] [blame] | 41 | ENTRY(__aeabi_llsr) |
| Nicolas Pitre | f741a1a | 2005-10-30 23:08:03 +0000 | [diff] [blame] | 42 | |
| 43 | subs r3, r2, #32 |
| 44 | rsb ip, r2, #32 |
| 45 | movmi al, al, lsr r2 |
| 46 | movpl al, ah, lsr r3 |
| Catalin Marinas | 8b59278 | 2009-07-24 12:32:57 +0100 | [diff] [blame] | 47 | ARM( orrmi al, al, ah, lsl ip ) |
| 48 | THUMB( lslmi r3, ah, ip ) |
| 49 | THUMB( orrmi al, al, r3 ) |
| Nicolas Pitre | f741a1a | 2005-10-30 23:08:03 +0000 | [diff] [blame] | 50 | mov ah, ah, lsr r2 |
| Russell King | 6ebbf2c | 2014-06-30 16:29:12 +0100 | [diff] [blame] | 51 | ret lr |
| Nicolas Pitre | f741a1a | 2005-10-30 23:08:03 +0000 | [diff] [blame] | 52 | |
| Catalin Marinas | 93ed397 | 2008-08-28 11:22:32 +0100 | [diff] [blame] | 53 | ENDPROC(__lshrdi3) |
| 54 | ENDPROC(__aeabi_llsr) |