-/*
- * BSD LICENSE
- *
- * Copyright(c) 2015 RehiveTech. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of RehiveTech nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2015 RehiveTech. All rights reserved.
*/
#ifndef _RTE_MEMCPY_ARM32_H_
#include "generic/rte_memcpy.h"
-#ifdef __ARM_NEON_FP
+#ifdef RTE_ARCH_ARM_NEON_MEMCPY
+
+#ifndef RTE_MACHINE_CPUFLAG_NEON
+#error "Cannot optimize memcpy by NEON as the CPU seems to not support this"
+#endif
/* ARM NEON Intrinsics are used to copy data */
#include <arm_neon.h>
}
#define rte_memcpy(dst, src, n) \
- ({ (__builtin_constant_p(n)) ? \
+ __extension__ ({ \
+ (__builtin_constant_p(n)) ? \
memcpy((dst), (src), (n)) : \
rte_memcpy_func((dst), (src), (n)); })
* We split the remaining bytes (which will be less than 256) into
* 64byte (2^6) chunks.
* Using incrementing integers in the case labels of a switch statement
- * enourages the compiler to use a jump table. To get incrementing
+ * encourages the compiler to use a jump table. To get incrementing
* integers, we shift the 2 relevant bits to the LSB position to first
* get decrementing integers, and then subtract.
*/
return memcpy(dst, src, n);
}
-static inline void *
-rte_memcpy_func(void *dst, const void *src, size_t n)
-{
- return memcpy(dst, src, n);
-}
-
-#endif /* __ARM_NEON_FP */
+#endif /* RTE_ARCH_ARM_NEON_MEMCPY */
#ifdef __cplusplus
}