PAPI 7.1.0.0
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all_aligned_atomic_load_store.h
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1/*
2 * Copyright (c) 2004 Hewlett-Packard Development Company, L.P.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23/* Describes architectures on which AO_t, unsigned char, unsigned */
24/* short, and unsigned int loads and stores are atomic but only if data */
25/* is suitably aligned. */
26
27#if defined(__m68k__) && !defined(AO_ALIGNOF_SUPPORTED)
28 /* Even though AO_t is redefined in m68k.h, some clients use AO */
29 /* pointer size primitives to access variables not declared as AO_t. */
30 /* Such variables may have 2-byte alignment, while their sizeof is 4. */
31#else
32# define AO_ACCESS_CHECK_ALIGNED
33#endif
34
35/* Check for char type is a misnomer. */
36#define AO_ACCESS_short_CHECK_ALIGNED
37#define AO_ACCESS_int_CHECK_ALIGNED