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Diffstat (limited to 'src/util/u_cpu_detect.h')
| -rw-r--r-- | src/util/u_cpu_detect.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/util/u_cpu_detect.h b/src/util/u_cpu_detect.h new file mode 100644 index 00000000000..efc910d1473 --- /dev/null +++ b/src/util/u_cpu_detect.h @@ -0,0 +1,101 @@ +/************************************************************************** + * + * Copyright 2008 Dennis Smit + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, and/or sell copies of the Software, and to permit persons to whom + * the Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * AUTHORS, COPYRIGHT HOLDERS, AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + ***************************************************************************/ + +/** + * @file + * CPU feature detection. + * + * @author Dennis Smit + * @author Based on the work of Eric Anholt <[email protected]> + */ + +#ifndef _UTIL_CPU_DETECT_H +#define _UTIL_CPU_DETECT_H + + +#include "pipe/p_compiler.h" +#include "pipe/p_config.h" + + +#ifdef __cplusplus +extern "C" { +#endif + + +struct util_cpu_caps { + int nr_cpus; + + /* Feature flags */ + int x86_cpu_type; + unsigned cacheline; + unsigned cores_per_L3; + + unsigned has_intel:1; + unsigned has_tsc:1; + unsigned has_mmx:1; + unsigned has_mmx2:1; + unsigned has_sse:1; + unsigned has_sse2:1; + unsigned has_sse3:1; + unsigned has_ssse3:1; + unsigned has_sse4_1:1; + unsigned has_sse4_2:1; + unsigned has_popcnt:1; + unsigned has_avx:1; + unsigned has_avx2:1; + unsigned has_f16c:1; + unsigned has_fma:1; + unsigned has_3dnow:1; + unsigned has_3dnow_ext:1; + unsigned has_xop:1; + unsigned has_altivec:1; + unsigned has_vsx:1; + unsigned has_daz:1; + unsigned has_neon:1; + + unsigned has_avx512f:1; + unsigned has_avx512dq:1; + unsigned has_avx512ifma:1; + unsigned has_avx512pf:1; + unsigned has_avx512er:1; + unsigned has_avx512cd:1; + unsigned has_avx512bw:1; + unsigned has_avx512vl:1; + unsigned has_avx512vbmi:1; +}; + +extern struct util_cpu_caps +util_cpu_caps; + +void util_cpu_detect(void); + + +#ifdef __cplusplus +} +#endif + + +#endif /* _UTIL_CPU_DETECT_H */ |