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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 /* Definitions for architectures on which loads of given type are       */
24 /* atomic (either for suitably aligned data only or for any legal       */
25 /* alignment).                                                          */
26 
27 AO_INLINE AO_t
28 AO_load(const volatile AO_t *addr)
29 {
30 # ifdef AO_ACCESS_CHECK_ALIGNED
31     AO_ASSERT_ADDR_ALIGNED(addr);
32 # endif
33   /* Cast away the volatile for architectures like IA64 where   */
34   /* volatile adds barrier (fence) semantics.                   */
35   return *(const AO_t *)addr;
36 }
37 #define AO_HAVE_load
38

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	/ Definitions for architectures on which loads of given type are /
24	/ atomic (either for suitably aligned data only or for any legal /
25	/ alignment). /
26
27	AO_INLINE AO_t
28	AO_load(const volatile AO_t *addr)
29	{
30	# ifdef AO_ACCESS_CHECK_ALIGNED
31	AO_ASSERT_ADDR_ALIGNED(addr);
32	# endif
33	/ Cast away the volatile for architectures like IA64 where /
34	/ volatile adds barrier (fence) semantics. /
35	return (const* AO_t *)addr;
36	}
37	#define AO_HAVE_load
38