[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/bits/byteswap.h b/ap/libc/glibc/glibc-2.22/bits/byteswap.h
new file mode 100644
index 0000000..b5528c2
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/bits/byteswap.h
@@ -0,0 +1,112 @@
+/* Macros to swap the order of bytes in integer values.
+ Copyright (C) 1997-2015 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#if !defined _BYTESWAP_H && !defined _NETINET_IN_H && !defined _ENDIAN_H
+# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
+#endif
+
+#ifndef _BITS_BYTESWAP_H
+#define _BITS_BYTESWAP_H 1
+
+#include <features.h>
+#include <bits/types.h>
+
+/* Swap bytes in 16 bit value. */
+#define __bswap_constant_16(x) \
+ ((unsigned short int)((((x) >> 8) & 0xffu) | (((x) & 0xffu) << 8)))
+
+/* Get __bswap_16. */
+#include <bits/byteswap-16.h>
+
+/* Swap bytes in 32 bit value. */
+#define __bswap_constant_32(x) \
+ ((((x) & 0xff000000u) >> 24) | (((x) & 0x00ff0000u) >> 8) | \
+ (((x) & 0x0000ff00u) << 8) | (((x) & 0x000000ffu) << 24))
+
+#ifdef __GNUC__
+# if __GNUC_PREREQ (4, 3)
+static __inline unsigned int
+__bswap_32 (unsigned int __bsx)
+{
+ return __builtin_bswap32 (__bsx);
+}
+# else
+# define __bswap_32(x) \
+ (__extension__ \
+ ({ unsigned int __bsx = (x); __bswap_constant_32 (__bsx); }))
+# endif
+#else
+static __inline unsigned int
+__bswap_32 (unsigned int __bsx)
+{
+ return __bswap_constant_32 (__bsx);
+}
+#endif
+
+/* Swap bytes in 64 bit value. */
+#if __GNUC_PREREQ (2, 0)
+# define __bswap_constant_64(x) \
+ (__extension__ ((((x) & 0xff00000000000000ull) >> 56) \
+ | (((x) & 0x00ff000000000000ull) >> 40) \
+ | (((x) & 0x0000ff0000000000ull) >> 24) \
+ | (((x) & 0x000000ff00000000ull) >> 8) \
+ | (((x) & 0x00000000ff000000ull) << 8) \
+ | (((x) & 0x0000000000ff0000ull) << 24) \
+ | (((x) & 0x000000000000ff00ull) << 40) \
+ | (((x) & 0x00000000000000ffull) << 56)))
+
+# if __GNUC_PREREQ (4, 3)
+static __inline __uint64_t
+__bswap_64 (__uint64_t __bsx)
+{
+ return __builtin_bswap64 (__bsx);
+}
+# else
+# define __bswap_64(x) \
+ (__extension__ \
+ ({ union { __extension__ __uint64_t __ll; \
+ unsigned int __l[2]; } __w, __r; \
+ if (__builtin_constant_p (x)) \
+ __r.__ll = __bswap_constant_64 (x); \
+ else \
+ { \
+ __w.__ll = (x); \
+ __r.__l[0] = __bswap_32 (__w.__l[1]); \
+ __r.__l[1] = __bswap_32 (__w.__l[0]); \
+ } \
+ __r.__ll; }))
+# endif
+#else
+# define __bswap_constant_64(x) \
+ ((((x) & 0xff00000000000000ull) >> 56) \
+ | (((x) & 0x00ff000000000000ull) >> 40) \
+ | (((x) & 0x0000ff0000000000ull) >> 24) \
+ | (((x) & 0x000000ff00000000ull) >> 8) \
+ | (((x) & 0x00000000ff000000ull) << 8) \
+ | (((x) & 0x0000000000ff0000ull) << 24) \
+ | (((x) & 0x000000000000ff00ull) << 40) \
+ | (((x) & 0x00000000000000ffull) << 56))
+
+static __inline __uint64_t
+__bswap_64 (__uint64_t __bsx)
+{
+ return __bswap_constant_64 (__bsx);
+}
+#endif
+
+#endif /* _BITS_BYTESWAP_H */