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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