[clang] [llvm] [X86][AMX] Support AMX-AVX512 (PR #114070)

[Feng Zou via cfe-commits]

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@@ -0,0 +1,381 @@
+/*===--------------------- amxavx512intrin.h - AMXAVX512 --------------------===
+ *
+ * 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 <amxavx512intrin.h> directly; include <immintrin.h> instead."
+#endif // __IMMINTRIN_H
+
+#ifndef __AMX_AVX512INTRIN_H
+#define __AMX_AVX512INTRIN_H
+#ifdef __x86_64__
+
+#define __DEFAULT_FN_ATTRS_AVX512                                              \
+  __attribute__((__always_inline__, __nodebug__, __target__("amx-avx512")))
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fzou1 wrote:

If AVX10.2-512 feature dependency is needed for internal APIs, we may create another attribute with AVX10.2-512 and add it to internal APIs.

https://github.com/llvm/llvm-project/pull/114070