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Comparing deliantra/server/include/devel.h (file contents):
Revision 1.2 by root, Tue Dec 30 07:24:16 2008 UTC vs.
Revision 1.11 by root, Sat Nov 17 23:40:00 2018 UTC

1/* 1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team 4 * Copyright (©) 2017,2018 Marc Alexander Lehmann / the Deliantra team
5 * Copyright (©) 2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * 6 *
6 * Deliantra is free software: you can redistribute it and/or modify 7 * Deliantra is free software: you can redistribute it and/or modify it under
7 * it under the terms of the GNU General Public License as published by 8 * the terms of the Affero GNU General Public License as published by the
8 * the Free Software Foundation, either version 3 of the License, or 9 * Free Software Foundation, either version 3 of the License, or (at your
9 * (at your option) any later version. 10 * option) any later version.
10 * 11 *
11 * This program is distributed in the hope that it will be useful, 12 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details. 15 * GNU General Public License for more details.
15 * 16 *
16 * You should have received a copy of the GNU General Public License 17 * You should have received a copy of the Affero GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>. 18 * and the GNU General Public License along with this program. If not, see
19 * <http://www.gnu.org/licenses/>.
18 * 20 *
19 * The authors can be reached via e-mail to <support@deliantra.net> 21 * The authors can be reached via e-mail to <support@deliantra.net>
20 */ 22 */
21 23
22// This file is only included with -DDEVEL, and is only part 24// This file is only included with -DDEVEL, and is only part
23// of the distributon for completeness, it is not supposed to 25// of the distributon for completeness, it is not supposed to
… …
25 27
26#ifndef DEVEL_H 28#ifndef DEVEL_H
27#define DEVEL_H 29#define DEVEL_H
28 30
29// used for benchmarking (x86/amd64-specific) 31// used for benchmarking (x86/amd64-specific)
32#ifdef DEVEL64
30typedef unsigned int cstamp; 33typedef uint64_t cstamp;
34#else
35typedef uint32_t cstamp;
36#endif
37
38#if defined(__i386__) || defined(__x86_64__)
31 39
32static inline cstamp 40static inline cstamp
33stamp (void) 41stamp ()
34{ 42{
35 cstamp tsc; 43 uint32_t l, h;
44
36 asm volatile ("rdtsc" : "=a" (tsc) : : "edx"); 45 asm volatile ("rdtsc" : "=a" (l), "=d" (h));
46
47#ifdef DEVEL64
48 return ((cstamp)h << 32) | l;
49#else
37 return tsc; 50 return l;
51#endif
38} 52}
53
54#elif defined(__powerpc__)
55static inline cstamp
56stamp ()
57{
58 unsigned uint32_t u, l, tmp;
59
60 asm volatile (
61 "0: \n"
62 "\tmftbu %0 \n"
63 "\tmftb %1 \n"
64 "\tmftbu %2 \n"
65 "\tcmpw %2,%0\n"
66 "\tbne 0b \n"
67 : "=r" (h), "=r" (l), "=r" (tmp)
68 );
69
70#ifdef DEVEL64
71 return ((cstamp)h << 32) | l;
72#else
73 return l;
74#endif
75}
76
77#endif
39 78
40static inline cstamp 79static inline cstamp
41measure (cstamp t) 80measure (cstamp t)
42{ 81{
43 return stamp () - t; 82 return stamp () - t;

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