| Aurelien Jacquiot | 09831ca | 2011-10-04 11:15:51 -0400 | [diff] [blame] | 1 | ;; Copyright (C) 2010 Texas Instruments Incorporated |
| 2 | ;; Contributed by Mark Salter <msalter@redhat.com>. |
| 3 | ;; |
| 4 | ;; This program is free software; you can redistribute it and/or modify |
| 5 | ;; it under the terms of the GNU General Public License as published by |
| 6 | ;; the Free Software Foundation; either version 2 of the License, or |
| 7 | ;; (at your option) any later version. |
| 8 | ;; |
| 9 | ;; This program is distributed in the hope that it will be useful, |
| 10 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | ;; GNU General Public License for more details. |
| 13 | ;; |
| 14 | ;; You should have received a copy of the GNU General Public License |
| 15 | ;; along with this program; if not, write to the Free Software |
| 16 | ;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 17 | |
| 18 | ;; uint64_t __c6xabi_llshr(uint64_t val, uint shift) |
| 19 | |
| 20 | #include <linux/linkage.h> |
| 21 | |
| 22 | .text |
| 23 | ENTRY(__c6xabi_llshr) |
| 24 | mv .l1x B4,A1 |
| 25 | [!A1] b .s2 B3 ; return if zero shift count |
| 26 | mvk .s1 32,A0 |
| 27 | sub .d1 A0,A1,A0 |
| 28 | cmplt .l1 0,A0,A2 |
| 29 | [A2] shl .s1 A5,A0,A0 |
| 30 | nop |
| 31 | [!A2] neg .l1 A0,A4 |
| 32 | || [A2] shru .s1 A4,A1,A4 |
| 33 | [!A2] shr .s1 A5,A4,A4 |
| 34 | || [A2] or .d1 A4,A0,A4 |
| 35 | [!A2] shr .s1 A5,0x1f,A5 |
| 36 | [A2] shr .s1 A5,A1,A5 |
| 37 | bnop .s2 B3,5 |
| 38 | ENDPROC(__c6xabi_llshr) |