diff options
Diffstat (limited to 'sysdeps/s390/bits/byteswap.h')
| -rw-r--r-- | sysdeps/s390/bits/byteswap.h | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/sysdeps/s390/bits/byteswap.h b/sysdeps/s390/bits/byteswap.h deleted file mode 100644 index 6a8cb9d82b..0000000000 --- a/sysdeps/s390/bits/byteswap.h +++ /dev/null @@ -1,134 +0,0 @@ -/* Macros to swap the order of bytes in integer values. s390 version. - Copyright (C) 2000-2016 Free Software Foundation, Inc. - Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). - 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 - -#include <bits/wordsize.h> - -#ifndef _BITS_BYTESWAP_H -#define _BITS_BYTESWAP_H 1 - -#define __bswap_constant_16(x) \ - ((unsigned short int) ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))) - -/* Get __bswap_16. */ -#include <bits/byteswap-16.h> - -/* Swap bytes in 32 bit value. */ -#define __bswap_constant_32(x) \ - ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \ - (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24)) - -#if defined __GNUC__ && __GNUC__ >= 2 -# if __WORDSIZE == 64 -# define __bswap_32(x) \ - (__extension__ \ - ({ unsigned int __v, __x = (x); \ - if (__builtin_constant_p (x)) \ - __v = __bswap_constant_32 (__x); \ - else { \ - unsigned int __tmp = (unsigned int) (__x); \ - __asm__ __volatile__ ( \ - "lrv %0,%1" \ - : "=&d" (__v) : "m" (__tmp)); \ - } \ - __v; })) -# else -# define __bswap_32(x) \ - (__extension__ \ - ({ unsigned int __v, __x = (x); \ - if (__builtin_constant_p (x)) \ - __v = __bswap_constant_32 (__x); \ - else { \ - unsigned int __tmp = (unsigned int) (__x); \ - __asm__ __volatile__ ( \ - "la 1,%1\n" \ - "icm %0,8,3(1)\n" \ - "icm %0,4,2(1)\n" \ - "icm %0,2,1(1)\n" \ - "ic %0,0(1)" \ - : "=&d" (__v) : "m" (__tmp) : "1"); \ - } \ - __v; })) -# endif -#else -static __inline unsigned int -__bswap_32 (unsigned int __bsx) -{ - return __bswap_constant_32 (__bsx); -} -#endif - -/* Swap bytes in 64 bit value. */ -#if defined __GNUC__ && __GNUC__ >= 2 -# define __bswap_constant_64(x) \ - (__extension__ ((((x) & 0xff00000000000000ul) >> 56) \ - | (((x) & 0x00ff000000000000ul) >> 40) \ - | (((x) & 0x0000ff0000000000ul) >> 24) \ - | (((x) & 0x000000ff00000000ul) >> 8) \ - | (((x) & 0x00000000ff000000ul) << 8) \ - | (((x) & 0x0000000000ff0000ul) << 24) \ - | (((x) & 0x000000000000ff00ul) << 40) \ - | (((x) & 0x00000000000000fful) << 56))) - -# if __WORDSIZE == 64 -# define __bswap_64(x) \ - (__extension__ \ - ({ unsigned long __w, __x = (x); \ - if (__builtin_constant_p (x)) \ - __w = __bswap_constant_64 (__x); \ - else { \ - unsigned long __tmp = (unsigned long) (__x); \ - __asm__ __volatile__ ( \ - "lrvg %0,%1" \ - : "=&d" (__w) : "m" (__tmp)); \ - } \ - __w; })) -# else -# define __bswap_64(x) \ - __extension__ \ - ({ union { unsigned long long int __ll; \ - unsigned long int __l[2]; } __w, __r; \ - __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)) - -__extension__ -static __inline unsigned long long int -__bswap_64 (unsigned long long int __bsx) -{ - return __bswap_constant_64 (__bsx); -} -#endif - -#endif /* _BITS_BYTESWAP_H */ |