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#if defined(__SSE__) || (defined(_M_IX86_FP) && (_M_IX86_FP >= 1)) || defined(_M_X64)
71#define cpu_has_xmm		1
72#else
73#define cpu_has_xmm		(_mesa_x86_cpu_features & X86_FEATURE_XMM)
74#endif
75
76#if defined(__SSE2__) || (defined(_M_IX86_FP) && (_M_IX86_FP >= 2)) || defined(_M_X64)
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