vendor: OpenCV 5.0.0 snapshot at 40738fb16ceddb5fb3fea747585f7ce6abb0605b

3rdparty/zlib-ng/arch/power/fallback_builtins.h

@@ -0,0 +1,31 @@
+/* Helper functions to work around issues with clang builtins
+ * Copyright (C) 2021 IBM Corporation
+ *
+ * Authors:
+ *   Daniel Black <daniel@linux.vnet.ibm.com>
+ *   Rogerio Alves <rogealve@br.ibm.com>
+ *   Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
+ *
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+#ifndef POWER_BUILTINS_H
+#define POWER_BUILTINS_H
+
+/*
+ * These stubs fix clang incompatibilities with GCC builtins.
+ */
+
+#ifndef __builtin_crypto_vpmsumw
+#define __builtin_crypto_vpmsumw __builtin_crypto_vpmsumb
+#endif
+#ifndef __builtin_crypto_vpmsumd
+#define __builtin_crypto_vpmsumd __builtin_crypto_vpmsumb
+#endif
+
+static inline __vector unsigned long long __attribute__((overloadable))
+vec_ld(int __a, const __vector unsigned long long* __b) {
+    return (__vector unsigned long long)__builtin_altivec_lvx(__a, __b);
+}
+
+#endif