[clang] [llvm] [X86][AVX10.2] Support AVX10.2-SATCVT-DS new instructions. (PR #102592)

[Malay Sanghi via cfe-commits]

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@@ -0,0 +1,806 @@
+/*===----------- avx10_2satcvtdsintrin.h - AVX512SATCVTDS 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
+ *
+ *===-----------------------------------------------------------------------===
+ */
+
+#ifndef __IMMINTRIN_H
+#error                                                                         \
+    "Never use <avx10_2satcvtdsintrin.h> directly; include <immintrin.h> instead."
+#endif // __IMMINTRIN_H
+
+#ifndef __AVX10_2SATCVTDSINTRIN_H
+#define __AVX10_2SATCVTDSINTRIN_H
+
+/* Define the default attributes for the functions in this file. */
+#define __DEFAULT_FN_ATTRS                                                     \
+  __attribute__((__always_inline__, __nodebug__, __target__("avx10.2-256"),    \
+                 __min_vector_width__(256)))
+
+#define __DEFAULT_FN_ATTRS128                                                  \
+  __attribute__((__always_inline__, __nodebug__, __target__("avx10.2-256"),    \
+                 __min_vector_width__(128)))
+
+#define _mm_cvtts_roundsd_i32(A, R)                                            \
+  ((int)__builtin_ia32_vcvttssd2si32((__v2df)(__m128)(A), (const int)(R)))
+
+#define _mm_cvtts_roundsd_si32(A, R)                                           \
+  ((int)__builtin_ia32_vcvttssd2si32((__v2df)(__m128d)(A), (const int)(R)))
+                                           (const int)(R)))
+
+#define _mm_cvtts_roundsd_u32(A, R)   \
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MalaySanghi wrote:

This formatting looks weird, but this was generated by git-clang-format

https://github.com/llvm/llvm-project/pull/102592