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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_llshl(uint64_t val, uint shift) | |
19 | ||
20 | #include <linux/linkage.h> | |
21 | ||
22 | .text | |
23 | ENTRY(__c6xabi_llshl) | |
24 | mv .l1x B4,A1 | |
25 | [!A1] b .s2 B3 ; just return if zero shift | |
26 | mvk .s1 32,A0 | |
27 | sub .d1 A0,A1,A0 | |
28 | cmplt .l1 0,A0,A2 | |
29 | [A2] shru .s1 A4,A0,A0 | |
30 | [!A2] neg .l1 A0,A5 | |
31 | || [A2] shl .s1 A5,A1,A5 | |
32 | [!A2] shl .s1 A4,A5,A5 | |
33 | || [A2] or .d1 A5,A0,A5 | |
34 | || [!A2] mvk .l1 0,A4 | |
35 | [A2] shl .s1 A4,A1,A4 | |
36 | bnop .s2 B3,5 | |
37 | ENDPROC(__c6xabi_llshl) |