src/util/u_cpu_detect.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2008 Dennis Smit
   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 "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * on the rights to use, copy, modify, merge, publish, distribute, sub
  10  * license, and/or sell copies of the Software, and to permit persons to whom
  11  * the Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
  20  * AUTHORS, COPYRIGHT HOLDERS, AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  21  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  22  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  23  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  ***************************************************************************/
  26
  27 /**
  28  * @file
  29  * CPU feature detection.
  30  *
  31  * @author Dennis Smit
  32  * @author Based on the work of Eric Anholt <anholt@FreeBSD.org>
  33  */
  34
  35 #ifndef _UTIL_CPU_DETECT_H
  36 #define _UTIL_CPU_DETECT_H
  37
  38
  39 #include "pipe/p_config.h"
  40
  41
  42 #ifdef  __cplusplus
  43 extern "C" {
  44 #endif
  45
  46
  47 struct util_cpu_caps {
  48    int nr_cpus;
  49
  50    /* Feature flags */
  51    int x86_cpu_type;
  52    unsigned cacheline;
  53    unsigned cores_per_L3;
  54
  55    unsigned has_intel:1;
  56    unsigned has_tsc:1;
  57    unsigned has_mmx:1;
  58    unsigned has_mmx2:1;
  59    unsigned has_sse:1;
  60    unsigned has_sse2:1;
  61    unsigned has_sse3:1;
  62    unsigned has_ssse3:1;
  63    unsigned has_sse4_1:1;
  64    unsigned has_sse4_2:1;
  65    unsigned has_popcnt:1;
  66    unsigned has_avx:1;
  67    unsigned has_avx2:1;
  68    unsigned has_f16c:1;
  69    unsigned has_fma:1;
  70    unsigned has_3dnow:1;
  71    unsigned has_3dnow_ext:1;
  72    unsigned has_xop:1;
  73    unsigned has_altivec:1;
  74    unsigned has_vsx:1;
  75    unsigned has_daz:1;
  76    unsigned has_neon:1;
  77
  78    unsigned has_avx512f:1;
  79    unsigned has_avx512dq:1;
  80    unsigned has_avx512ifma:1;
  81    unsigned has_avx512pf:1;
  82    unsigned has_avx512er:1;
  83    unsigned has_avx512cd:1;
  84    unsigned has_avx512bw:1;
  85    unsigned has_avx512vl:1;
  86    unsigned has_avx512vbmi:1;
  87 };
  88
  89 extern struct util_cpu_caps
  90 util_cpu_caps;
  91
  92 void util_cpu_detect(void);
  93
  94
  95 #ifdef  __cplusplus
  96 }
  97 #endif
  98
  99
 100 #endif /* _UTIL_CPU_DETECT_H */