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1 
2 /*
3  * Mesa 3-D graphics library
4  *
5  * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
6  *
7  * Permission is hereby granted, free of charge, to any person obtaining a
8  * copy of this software and associated documentation files (the "Software"),
9  * to deal in the Software without restriction, including without limitation
10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11  * and/or sell copies of the Software, and to permit persons to whom the
12  * Software is furnished to do so, subject to the following conditions:
13  *
14  * The above copyright notice and this permission notice shall be included
15  * in all copies or substantial portions of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
21  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23  * OTHER DEALINGS IN THE SOFTWARE.
24  */
25 
26 /*
27  * x86 CPUID feature information.  The raw data is returned by
28  * _mesa_identify_x86_cpu_features() and interpreted with the cpu_has_*
29  * helper macros.
30  *
31  * Gareth Hughes
32  */
33 
34 #ifndef __COMMON_X86_FEATURES_H__
35 #define __COMMON_X86_FEATURES_H__
36 
37 #define X86_FEATURE_FPU		(1<<0)
38 #define X86_FEATURE_CMOV	(1<<1)
39 #define X86_FEATURE_MMXEXT	(1<<2)
40 #define X86_FEATURE_MMX		(1<<3)
41 #define X86_FEATURE_FXSR	(1<<4)
42 #define X86_FEATURE_XMM		(1<<5)
43 #define X86_FEATURE_XMM2	(1<<6)
44 #define X86_FEATURE_3DNOWEXT	(1<<7)
45 #define X86_FEATURE_3DNOW	(1<<8)
46 #define X86_FEATURE_SSE4_1	(1<<9)
47 
48 /* standard X86 CPU features */
49 #define X86_CPU_FPU		(1<<0)
50 #define X86_CPU_CMOV		(1<<15)
51 #define X86_CPU_MMX		(1<<23)
52 #define X86_CPU_XMM		(1<<25)
53 #define X86_CPU_XMM2		(1<<26)
54 /* ECX. */
55 #define X86_CPU_SSE4_1		(1<<19)
56 
57 /* extended X86 CPU features */
58 #define X86_CPUEXT_MMX_EXT	(1<<22)
59 #define X86_CPUEXT_3DNOW_EXT	(1<<30)
60 #define X86_CPUEXT_3DNOW	(1<<31)
61 
62 #ifdef __MMX__
63 #define cpu_has_mmx		1
64 #else
65 #define cpu_has_mmx		(_mesa_x86_cpu_features & X86_FEATURE_MMX)
66 #endif
67 
68 #define cpu_has_mmxext		(_mesa_x86_cpu_features & X86_FEATURE_MMXEXT)
69 
70 #ifdef __SSE__
71 #define cpu_has_xmm		1
72 #else
73 #define cpu_has_xmm		(_mesa_x86_cpu_features & X86_FEATURE_XMM)
74 #endif
75 
76 #ifdef __SSE2__
77 #define cpu_has_xmm2		1
78 #else
79 #define cpu_has_xmm2		(_mesa_x86_cpu_features & X86_FEATURE_XMM2)
80 #endif
81 
82 #ifdef __3dNOW__
83 #define cpu_has_3dnow		1
84 #else
85 #define cpu_has_3dnow		(_mesa_x86_cpu_features & X86_FEATURE_3DNOW)
86 #endif
87 
88 #define cpu_has_3dnowext	(_mesa_x86_cpu_features & X86_FEATURE_3DNOWEXT)
89 
90 #ifdef __SSE4_1__
91 #define cpu_has_sse4_1		1
92 #else
93 #define cpu_has_sse4_1		(_mesa_x86_cpu_features & X86_FEATURE_SSE4_1)
94 #endif
95 
96 #endif
97 
98