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