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300a556d MW |
1 | /* -*-c-*- |
2 | * | |
3 | * Bodge to control memory access ordering | |
4 | * | |
5 | * (c) 2016 Mark Wooding | |
6 | */ | |
7 | ||
8 | /*----- Licensing notice --------------------------------------------------* | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software Foundation, | |
22 | * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
23 | */ | |
24 | ||
25 | /*----- Header files ------------------------------------------------------*/ | |
26 | ||
27 | #include "fence.h" | |
28 | ||
29 | /*----- Main code ---------------------------------------------------------*/ | |
30 | ||
31 | /* --- @compiler_fence@ --- * | |
32 | * | |
33 | * Arguments: some pointers to things | |
34 | * | |
35 | * Returns: Nothing. | |
36 | * | |
37 | * Use: Actually doesn't do anything at all, but in a separate | |
38 | * translation unit so that the compiler can't tell that. So it | |
39 | * won't be able to move memory accesses to the addressed | |
40 | * objects across the call. | |
41 | */ | |
42 | ||
43 | void compiler_fence(void *p, ...) { } | |
44 | ||
45 | /*----- That's all, folks -------------------------------------------------*/ |