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authorEric Andersen <andersen@codepoet.org>2002-03-01 20:46:26 +0000
committerEric Andersen <andersen@codepoet.org>2002-03-01 20:46:26 +0000
commit9cee42f10dbc5b33866ff137b926a74abd7c1a5b (patch)
tree5211131bde7212ae06d98e9779197cece9b552cc /libc/sysdeps/linux/v850/bits/byteswap.h
parent5b470cfcc321c5d50b951fa93a769a4a193ccece (diff)
Major rework of the include files to eliminate redundancy
and to better support each arch. This is a really big patch... -Erik
Diffstat (limited to 'libc/sysdeps/linux/v850/bits/byteswap.h')
-rw-r--r--libc/sysdeps/linux/v850/bits/byteswap.h63
1 files changed, 0 insertions, 63 deletions
diff --git a/libc/sysdeps/linux/v850/bits/byteswap.h b/libc/sysdeps/linux/v850/bits/byteswap.h
deleted file mode 100644
index 44fbee488..000000000
--- a/libc/sysdeps/linux/v850/bits/byteswap.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * libc/sysdeps/linux/v850/bits/byteswap.h -- Macros to swap the order
- * of bytes in integer values
- *
- * Copyright (C) 2001 NEC Corporation
- * Copyright (C) 2001 Miles Bader <miles@gnu.org>
- * Copyright (C) 1997,1998,2001 Free Software Foundation, Inc.
- *
- * This file is subject to the terms and conditions of the GNU Lesser
- * General Public License. See the file COPYING.LIB in the main
- * directory of this archive for more details.
- */
-
-#if !defined _BYTESWAP_H && !defined _NETINET_IN_H
-# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
-#endif
-
-/* Swap bytes in 16 bit value. */
-#define __bswap_constant_16(x) \
- ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))
-
-#ifdef __GNUC__
-# define __bswap_16(x) \
- (__extension__ \
- ({ unsigned long int __bswap_16_v; \
- if (__builtin_constant_p (x)) \
- __bswap_16_v = __bswap_constant_16 (x); \
- else \
- __asm__ ("bsh %1, %0" : "=r" (__bswap_16_v) : "r" (x)); \
- __bswap_16_v; }))
-#else
-# define __bswap_16(x) __bswap_constant_16 (x)
-#endif
-
-/* Swap bytes in 32 bit value. */
-#define __bswap_constant_32(x) \
- ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \
- (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24))
-
-#ifdef __GNUC__
-# define __bswap_32(x) \
- (__extension__ \
- ({ unsigned long int __bswap_32_v; \
- if (__builtin_constant_p (x)) \
- __bswap_32_v = __bswap_constant_32 (x); \
- else \
- __asm__ ("bsw %1, %0" : "=r" (__bswap_32_v) : "r" (x)); \
- __bswap_32_v; }))
-#else
-# define __bswap_32(x) __bswap_constant_32 (x)
-#endif
-
-#if defined __GNUC__ && __GNUC__ >= 2
-/* Swap bytes in 64 bit value. */
-# define __bswap_64(x) \
- (__extension__ \
- ({ union { unsigned long long int __ll; \
- unsigned long int __l[2]; } __bswap_64_v, __bswap_64_r; \
- __bswap_64_v.__ll = (x); \
- __bswap_64_r.__l[0] = __bswap_32 (__bswap_64_v.__l[1]); \
- __bswap_64_r.__l[1] = __bswap_32 (__bswap_64_v.__l[0]); \
- __bswap_64_r.__ll; }))
-#endif