1 files changed, 57 insertions, 0 deletions
diff --git a/contrib/llvm-project/clang/lib/Headers/rdpruintrin.h b/contrib/llvm-project/clang/lib/Headers/rdpruintrin.h
new file mode 100644
index 000000000000..89732bb8b3cf
--- /dev/null
+++ b/contrib/llvm-project/clang/lib/Headers/rdpruintrin.h
@@ -0,0 +1,57 @@
+/*===---- rdpruintrin.h - RDPRU intrinsics ---------------------------------===
+ *
+ * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+ * See https://llvm.org/LICENSE.txt for license information.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ *
+ *===-----------------------------------------------------------------------===
+ */
+
+#if !defined __X86INTRIN_H
+#error "Never use <rdpruintrin.h> directly; include <x86intrin.h> instead."
+#endif
+
+#ifndef __RDPRUINTRIN_H
+#define __RDPRUINTRIN_H
+
+/* Define the default attributes for the functions in this file. */
+#define __DEFAULT_FN_ATTRS \
+  __attribute__((__always_inline__, __nodebug__,  __target__("rdpru")))
+
+
+/// Reads the content of a processor register.
+///
+/// \headerfile <x86intrin.h>
+///
+/// This intrinsic corresponds to the <c> RDPRU </c> instruction.
+///
+/// \param reg_id
+///    A processor register identifier.
+static __inline__ unsigned long long __DEFAULT_FN_ATTRS
+__rdpru (int reg_id)
+{
+  return __builtin_ia32_rdpru(reg_id);
+}
+
+#define __RDPRU_MPERF 0
+#define __RDPRU_APERF 1
+
+/// Reads the content of processor register MPERF.
+///
+/// \headerfile <x86intrin.h>
+///
+/// This intrinsic generates instruction <c> RDPRU </c> to read the value of
+/// register MPERF.
+#define __mperf() __builtin_ia32_rdpru(__RDPRU_MPERF)
+
+/// Reads the content of processor register APERF.
+///
+/// \headerfile <x86intrin.h>
+///
+/// This intrinsic generates instruction <c> RDPRU </c> to read the value of
+/// register APERF.
+#define __aperf() __builtin_ia32_rdpru(__RDPRU_APERF)
+
+#undef __DEFAULT_FN_ATTRS
+
+#endif /* __RDPRUINTRIN_H */