diff options
Diffstat (limited to 'sysdeps/m68k/bits')
| -rw-r--r-- | sysdeps/m68k/bits/byteswap.h | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/sysdeps/m68k/bits/byteswap.h b/sysdeps/m68k/bits/byteswap.h deleted file mode 100644 index 3055230854..0000000000 --- a/sysdeps/m68k/bits/byteswap.h +++ /dev/null @@ -1,88 +0,0 @@ -/* Macros to swap the order of bytes in integer values. m68k version. - Copyright (C) 1997-2018 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 - -/* Swap bytes in 16 bit value. We don't provide an assembler version - because GCC is smart enough to generate optimal assembler output, and - this allows for better cse. */ -#define __bswap_constant_16(x) \ - ((((x) >> 8) & 0xffu) | (((x) & 0xffu) << 8)) - -static __always_inline unsigned short int -__bswap_16 (unsigned short int __bsx) -{ - return __bswap_constant_16 (__bsx); -} - -/* Swap bytes in 32 bit value. */ -#define __bswap_constant_32(x) \ - ((((x) & 0xff000000u) >> 24) | (((x) & 0x00ff0000u) >> 8) | \ - (((x) & 0x0000ff00u) << 8) | (((x) & 0x000000ffu) << 24)) - -#if !defined(__mcoldfire__) -static __always_inline unsigned int -__bswap_32 (unsigned int __bsx) -{ - if (__builtin_constant_p (__bsx)) - return __bswap_constant_32 (__bsx); - __asm__ __volatile__ ("ror%.w %#8, %0;" - "swap %0;" - "ror%.w %#8, %0" - : "+d" (__bsx)); - return __bsx; -} -#else -static __always_inline unsigned int -__bswap_32 (unsigned int __bsx) -{ - return __bswap_constant_32 (__bsx); -} -#endif - -#if defined __GNUC__ && __GNUC__ >= 2 -/* Swap bytes in 64 bit value. */ -# 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)) - -/* Swap bytes in 64 bit value. */ -__extension__ -static __always_inline unsigned long long -__bswap_64 (unsigned long long __bsx) -{ - if (__builtin_constant_p (__bsx)) - return __bswap_constant_64 (__bsx); - return (__bswap_32 (__bsx >> 32) - | ((unsigned long long) __bswap_32 (__bsx) << 32)); -} -#endif - -#endif /* _BITS_BYTESWAP_H */ |