diff options
Diffstat (limited to 'sysdeps/i386/bits/byteswap.h')
| -rw-r--r-- | sysdeps/i386/bits/byteswap.h | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/sysdeps/i386/bits/byteswap.h b/sysdeps/i386/bits/byteswap.h index 1f3fc5e524..c246ae86c6 100644 --- a/sysdeps/i386/bits/byteswap.h +++ b/sysdeps/i386/bits/byteswap.h @@ -1,5 +1,5 @@ /* Macros to swap the order of bytes in integer values. - Copyright (C) 1997, 1998, 2000, 2002, 2003, 2006, 2007, 2008 + Copyright (C) 1997, 1998, 2000, 2002, 2003, 2006, 2007, 2008, 2010 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -27,26 +27,27 @@ /* Swap bytes in 16 bit value. */ #define __bswap_constant_16(x) \ - ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8)) + ((unsigned short int) ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))) #ifdef __GNUC__ # if __GNUC__ >= 2 # define __bswap_16(x) \ (__extension__ \ - ({ register unsigned short int __v, __x = (x); \ + ({ register unsigned short int __v, __x = (unsigned short int) (x); \ if (__builtin_constant_p (__x)) \ __v = __bswap_constant_16 (__x); \ else \ __asm__ ("rorw $8, %w0" \ : "=r" (__v) \ - : "0" (__x) \ - : "cc"); \ + : "0" (__x) \ + : "cc"); \ __v; })) # else /* This is better than nothing. */ # define __bswap_16(x) \ (__extension__ \ - ({ register unsigned short int __x = (x); __bswap_constant_16 (__x); })) + ({ register unsigned short int __x = (unsigned short int) (x); \ + __bswap_constant_16 (__x); })) # endif #else static __inline unsigned short int @@ -122,7 +123,7 @@ __bswap_32 (unsigned int __bsx) (__extension__ \ ({ union { __extension__ unsigned long long int __ll; \ unsigned long int __l[2]; } __w, __r; \ - if (__builtin_constant_p (x)) \ + if (__builtin_constant_p (x)) \ __r.__ll = __bswap_constant_64 (x); \ else \ { \ |