1/**************************************************************************
2 *
3 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28#include "pipe/p_config.h"
29#include "rtasm_cpu.h"
30
31#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
32
33#include "util/u_debug.h"
34#include "util/u_cpu_detect.h"
35
36DEBUG_GET_ONCE_BOOL_OPTION(nosse, "GALLIUM_NOSSE", FALSE);
37
38static struct util_cpu_caps *get_cpu_caps(void)
39{
40   util_cpu_detect();
41   return &util_cpu_caps;
42}
43
44int rtasm_cpu_has_sse(void)
45{
46   return !debug_get_option_nosse() && get_cpu_caps()->has_sse;
47}
48
49int rtasm_cpu_has_sse2(void)
50{
51   return !debug_get_option_nosse() && get_cpu_caps()->has_sse2;
52}
53
54
55#else
56
57int rtasm_cpu_has_sse(void)
58{
59   return 0;
60}
61
62int rtasm_cpu_has_sse2(void)
63{
64   return 0;
65}
66
67#endif
68