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+/*
+ * Copyright (C) 2020, D. R. Commander. All Rights Reserved.
+ * Copyright (C) 2020-2021, Arm Limited. All Rights Reserved.
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 3. This notice may not be removed or altered from any source distribution.
+ */
+
+#cmakedefine HAVE_VLD1_S16_X3
+#cmakedefine HAVE_VLD1_U16_X2
+#cmakedefine HAVE_VLD1Q_U8_X4
+
+/* Define compiler-independent count-leading-zeros and byte-swap macros */
+#if defined(_MSC_VER) && !defined(__clang__)
+#define BUILTIN_CLZ(x) _CountLeadingZeros(x)
+#define BUILTIN_CLZLL(x) _CountLeadingZeros64(x)
+#define BUILTIN_BSWAP64(x) _byteswap_uint64(x)
+#elif defined(__clang__) || defined(__GNUC__)
+#define BUILTIN_CLZ(x) __builtin_clz(x)
+#define BUILTIN_CLZLL(x) __builtin_clzll(x)
+#define BUILTIN_BSWAP64(x) __builtin_bswap64(x)
+#else
+#error "Unknown compiler"
+#endif