util: move u_cpu_detect to util

CC: [email protected]
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107870
Fixes: 80825abb5d1a7491035880253ffd531c55acae6b
       ("move u_math to src/util")
Tested-by: Brian Paul <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>

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 */