================
@@ -0,0 +1,92 @@
+/*===------------- amxfp8intrin.h - AMX intrinsics -*- C++ 
-*----------------===
+ *
+ * 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
+ *
+ 
*===------------------------------------------------------------------------===
+ */
+
+#ifndef __IMMINTRIN_H
+#error "Never use <amxfp8intrin.h> directly; include <immintrin.h> instead."
+#endif /* __IMMINTRIN_H */
+
+#ifndef __AMXFP8INTRIN_H
+#define __AMXFP8INTRIN_H
+#ifdef __x86_64__
+
+/// These instructions compute dot product of brain-float8 (BF8) or
+/// hybrid-float8 (HF8) accumulating into a single precision (FP32). The input
+/// elements can be BF8 or HF8. These instructions have three tile operands, 
one
+/// source/dest accumulator operand, and two source operands, \a a and \a b. 
The
+/// \a a and \a b operands can be BF8 or HF8 independently, and the source/dest
+/// operand, \a dst is always FP32.
+///
+/// \headerfile <immintrin.h>
+///
+/// \code
+/// void _tile_dpbf8ps (__tile dst, __tile a, __tile b)
+/// \endcode
+///
+/// This intrinsic corresponds to the \c TDPBF8PS instruction, which is the dot
+/// product of a BF8 value (\a a) by a BF8 value (\a b) accumulating into a
----------------
phoebewang wrote:

Do not use parentheses around `\a a`

https://github.com/llvm/llvm-project/pull/113850
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