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f7a9f785 | 1 | /* Copyright (C) 2012-2016 Free Software Foundation, Inc. |
cd2fbe58 | 2 | This file is part of the GNU C Library. |
cd2fbe58 UD |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library 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 GNU | |
12 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
cd2fbe58 | 17 | |
e2dbf201 | 18 | #include <sysdep.h> |
cd2fbe58 | 19 | |
e2dbf201 DM |
20 | .text |
21 | ENTRY(pthread_spin_lock) | |
b42eca7d | 22 | 1: ldstub [%o0], %g1 |
e2dbf201 DM |
23 | brnz,pn %g1, 2f |
24 | membar #StoreLoad | #StoreStore | |
b42eca7d | 25 | retl |
e2dbf201 DM |
26 | mov 0, %o0 |
27 | 2: ldub [%o0], %g1 | |
28 | brnz,pt %g1, 2b | |
29 | membar #LoadLoad | |
30 | ba,a,pt %xcc, 1b | |
76e835cf | 31 | END(pthread_spin_lock) |