[clang] [llvm] [X86][AMX] Support AMX-FP8 (PR #113850)

[Phoebe Wang via cfe-commits]

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@@ -0,0 +1,24 @@
+/*===---------- 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__
+
+#define _tile_dpbf8ps __builtin_ia32_tdpbf8ps
+#define _tile_dpbhf8ps __builtin_ia32_tdpbhf8ps
+#define _tile_dphbf8ps __builtin_ia32_tdphbf8ps
+#define _tile_dphf8ps __builtin_ia32_tdphf8ps
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phoebewang wrote:

List arguments for better reading.

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