Fix warnings in __bswap_16.
This commit is contained in:
parent
ff02d5280b
commit
69da074d7a
|
@ -1,3 +1,9 @@
|
||||||
|
2010-11-08 Ulrich Drepper <drepper@gmail.com>
|
||||||
|
|
||||||
|
[BZ #12194]
|
||||||
|
* sysdeps/i386/bits/byteswap.h: Avoid warning in __bswap_16.
|
||||||
|
* sysdeps/x86_64/bits/byteswap.h: Likewise.
|
||||||
|
|
||||||
2010-11-07 H.J. Lu <hongjiu.lu@intel.com>
|
2010-11-07 H.J. Lu <hongjiu.lu@intel.com>
|
||||||
|
|
||||||
* sysdeps/x86_64/memset.S: Check USE_MULTIARCH and USE_SSE2 for
|
* sysdeps/x86_64/memset.S: Check USE_MULTIARCH and USE_SSE2 for
|
||||||
|
|
4
NEWS
4
NEWS
|
@ -1,4 +1,4 @@
|
||||||
GNU C Library NEWS -- history of user-visible changes. 2010-11-5
|
GNU C Library NEWS -- history of user-visible changes. 2010-11-8
|
||||||
Copyright (C) 1992-2009, 2010 Free Software Foundation, Inc.
|
Copyright (C) 1992-2009, 2010 Free Software Foundation, Inc.
|
||||||
See the end for copying conditions.
|
See the end for copying conditions.
|
||||||
|
|
||||||
|
@ -11,7 +11,7 @@ Version 2.13
|
||||||
|
|
||||||
3268, 7066, 10851, 11611, 11640, 11701, 11840, 11856, 11883, 11903, 11904,
|
3268, 7066, 10851, 11611, 11640, 11701, 11840, 11856, 11883, 11903, 11904,
|
||||||
11968, 11979, 12005, 12037, 12067, 12077, 12078, 12092, 12093, 12107, 12108,
|
11968, 11979, 12005, 12037, 12067, 12077, 12078, 12092, 12093, 12107, 12108,
|
||||||
12113, 12140, 12159, 12167, 12191
|
12113, 12140, 12159, 12167, 12191, 12194
|
||||||
|
|
||||||
* New Linux interfaces: prlimit, prlimit64, fanotify_init, fanotify_mark
|
* New Linux interfaces: prlimit, prlimit64, fanotify_init, fanotify_mark
|
||||||
|
|
||||||
|
|
|
@ -1,5 +1,5 @@
|
||||||
/* Macros to swap the order of bytes in integer values.
|
/* 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.
|
Free Software Foundation, Inc.
|
||||||
This file is part of the GNU C Library.
|
This file is part of the GNU C Library.
|
||||||
|
|
||||||
|
@ -27,26 +27,27 @@
|
||||||
|
|
||||||
/* Swap bytes in 16 bit value. */
|
/* Swap bytes in 16 bit value. */
|
||||||
#define __bswap_constant_16(x) \
|
#define __bswap_constant_16(x) \
|
||||||
((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))
|
((unsigned short int) ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8)))
|
||||||
|
|
||||||
#ifdef __GNUC__
|
#ifdef __GNUC__
|
||||||
# if __GNUC__ >= 2
|
# if __GNUC__ >= 2
|
||||||
# define __bswap_16(x) \
|
# define __bswap_16(x) \
|
||||||
(__extension__ \
|
(__extension__ \
|
||||||
({ register unsigned short int __v, __x = (x); \
|
({ register unsigned short int __v, __x = (unsigned short int) (x); \
|
||||||
if (__builtin_constant_p (__x)) \
|
if (__builtin_constant_p (__x)) \
|
||||||
__v = __bswap_constant_16 (__x); \
|
__v = __bswap_constant_16 (__x); \
|
||||||
else \
|
else \
|
||||||
__asm__ ("rorw $8, %w0" \
|
__asm__ ("rorw $8, %w0" \
|
||||||
: "=r" (__v) \
|
: "=r" (__v) \
|
||||||
: "0" (__x) \
|
: "0" (__x) \
|
||||||
: "cc"); \
|
: "cc"); \
|
||||||
__v; }))
|
__v; }))
|
||||||
# else
|
# else
|
||||||
/* This is better than nothing. */
|
/* This is better than nothing. */
|
||||||
# define __bswap_16(x) \
|
# define __bswap_16(x) \
|
||||||
(__extension__ \
|
(__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
|
# endif
|
||||||
#else
|
#else
|
||||||
static __inline unsigned short int
|
static __inline unsigned short int
|
||||||
|
@ -122,7 +123,7 @@ __bswap_32 (unsigned int __bsx)
|
||||||
(__extension__ \
|
(__extension__ \
|
||||||
({ union { __extension__ unsigned long long int __ll; \
|
({ union { __extension__ unsigned long long int __ll; \
|
||||||
unsigned long int __l[2]; } __w, __r; \
|
unsigned long int __l[2]; } __w, __r; \
|
||||||
if (__builtin_constant_p (x)) \
|
if (__builtin_constant_p (x)) \
|
||||||
__r.__ll = __bswap_constant_64 (x); \
|
__r.__ll = __bswap_constant_64 (x); \
|
||||||
else \
|
else \
|
||||||
{ \
|
{ \
|
||||||
|
|
|
@ -1,5 +1,5 @@
|
||||||
/* Macros to swap the order of bytes in integer values.
|
/* Macros to swap the order of bytes in integer values.
|
||||||
Copyright (C) 1997, 1998, 2000, 2002, 2003, 2007, 2008
|
Copyright (C) 1997, 1998, 2000, 2002, 2003, 2007, 2008, 2010
|
||||||
Free Software Foundation, Inc.
|
Free Software Foundation, Inc.
|
||||||
This file is part of the GNU C Library.
|
This file is part of the GNU C Library.
|
||||||
|
|
||||||
|
@ -29,12 +29,12 @@
|
||||||
|
|
||||||
/* Swap bytes in 16 bit value. */
|
/* Swap bytes in 16 bit value. */
|
||||||
#define __bswap_constant_16(x) \
|
#define __bswap_constant_16(x) \
|
||||||
((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))
|
((unsigned short int) ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8)))
|
||||||
|
|
||||||
#if defined __GNUC__ && __GNUC__ >= 2
|
#if defined __GNUC__ && __GNUC__ >= 2
|
||||||
# define __bswap_16(x) \
|
# define __bswap_16(x) \
|
||||||
(__extension__ \
|
(__extension__ \
|
||||||
({ register unsigned short int __v, __x = (x); \
|
({ register unsigned short int __v, __x = (unsigned short int) (x); \
|
||||||
if (__builtin_constant_p (__x)) \
|
if (__builtin_constant_p (__x)) \
|
||||||
__v = __bswap_constant_16 (__x); \
|
__v = __bswap_constant_16 (__x); \
|
||||||
else \
|
else \
|
||||||
|
@ -47,7 +47,8 @@
|
||||||
/* This is better than nothing. */
|
/* This is better than nothing. */
|
||||||
# define __bswap_16(x) \
|
# define __bswap_16(x) \
|
||||||
(__extension__ \
|
(__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
|
#endif
|
||||||
|
|
||||||
|
|
||||||
|
@ -120,16 +121,16 @@
|
||||||
# define __bswap_64(x) \
|
# define __bswap_64(x) \
|
||||||
(__extension__ \
|
(__extension__ \
|
||||||
({ union { __extension__ unsigned long long int __ll; \
|
({ union { __extension__ unsigned long long int __ll; \
|
||||||
unsigned int __l[2]; } __w, __r; \
|
unsigned int __l[2]; } __w, __r; \
|
||||||
if (__builtin_constant_p (x)) \
|
if (__builtin_constant_p (x)) \
|
||||||
__r.__ll = __bswap_constant_64 (x); \
|
__r.__ll = __bswap_constant_64 (x); \
|
||||||
else \
|
else \
|
||||||
{ \
|
{ \
|
||||||
__w.__ll = (x); \
|
__w.__ll = (x); \
|
||||||
__r.__l[0] = __bswap_32 (__w.__l[1]); \
|
__r.__l[0] = __bswap_32 (__w.__l[1]); \
|
||||||
__r.__l[1] = __bswap_32 (__w.__l[0]); \
|
__r.__l[1] = __bswap_32 (__w.__l[0]); \
|
||||||
} \
|
} \
|
||||||
__r.__ll; }))
|
__r.__ll; }))
|
||||||
# endif
|
# endif
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
|
Loading…
Reference in New Issue