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
36 DEBUG_GET_ONCE_BOOL_OPTION(nosse, "GALLIUM_NOSSE", FALSE);
37
get_cpu_caps(void)38 static struct util_cpu_caps *get_cpu_caps(void)
39 {
40 util_cpu_detect();
41 return &util_cpu_caps;
42 }
43
rtasm_cpu_has_sse(void)44 int rtasm_cpu_has_sse(void)
45 {
46 return !debug_get_option_nosse() && get_cpu_caps()->has_sse;
47 }
48
rtasm_cpu_has_sse2(void)49 int rtasm_cpu_has_sse2(void)
50 {
51 return !debug_get_option_nosse() && get_cpu_caps()->has_sse2;
52 }
53
54
55 #else
56
rtasm_cpu_has_sse(void)57 int rtasm_cpu_has_sse(void)
58 {
59 return 0;
60 }
61
rtasm_cpu_has_sse2(void)62 int rtasm_cpu_has_sse2(void)
63 {
64 return 0;
65 }
66
67 #endif
68