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authorAndreas Jaeger <aj@suse.de>2012-03-28 16:39:25 +0200
committerAndreas Jaeger <aj@suse.de>2012-04-03 09:13:59 +0200
commitb1aa60f32d34030b28bca04aeee084cd3bedecfa (patch)
tree430b4c30f7a613b4b219528ec861de1b2c5b1172 /sysdeps
parent39c59c35723120c32dc42dde4115bba92305179f (diff)
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Add __bswap_64 definition for non GCC compilers.
[BZ#13926] Currently __bswap_64 is not defined at all for non-GCC compilers. Define it but guard it with __GLIBC_HAVE_LONG_LONG. endian.h uses __bswap_64, make the functions only available if __GLIBC_HAVE_LONG_LONG is defined.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/i386/bits/byteswap.h19
-rw-r--r--sysdeps/s390/bits/byteswap.h20
-rw-r--r--sysdeps/x86_64/bits/byteswap.h19
3 files changed, 44 insertions, 14 deletions
diff --git a/sysdeps/i386/bits/byteswap.h b/sysdeps/i386/bits/byteswap.h
index 4a159d1..fb0a827 100644
--- a/sysdeps/i386/bits/byteswap.h
+++ b/sysdeps/i386/bits/byteswap.h
@@ -1,6 +1,5 @@
/* Macros to swap the order of bytes in integer values.
- Copyright (C) 1997, 1998, 2000, 2002, 2003, 2006, 2007, 2008, 2010, 2011
- Free Software Foundation, Inc.
+ Copyright (C) 1997-2012 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
@@ -131,6 +130,22 @@ __bswap_32 (unsigned int __bsx)
__r.__l[1] = __bswap_32 (__w.__l[0]); \
} \
__r.__ll; }))
+#elif __GLIBC_HAVE_LONG_LONG
+# 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))
+
+static __inline unsigned long long int
+__bswap_64 (unsigned long long int __bsx)
+{
+ return __bswap_constant_64 (__bsx);
+}
#endif
#endif /* _BITS_BYTESWAP_H */
diff --git a/sysdeps/s390/bits/byteswap.h b/sysdeps/s390/bits/byteswap.h
index ac325b0..fd7c279 100644
--- a/sysdeps/s390/bits/byteswap.h
+++ b/sysdeps/s390/bits/byteswap.h
@@ -1,5 +1,5 @@
/* Macros to swap the order of bytes in integer values. s390 version.
- Copyright (C) 2000-2003, 2008, 2011 Free Software Foundation, Inc.
+ Copyright (C) 2000-2003, 2008, 2011, 2012 Free Software Foundation, Inc.
Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
This file is part of the GNU C Library.
@@ -150,16 +150,16 @@ __bswap_32 (unsigned int __bsx)
__r.__l[1] = __bswap_32 (__w.__l[0]); \
__r.__ll; })
# endif
-#else
+#elif __GLIBC_HAVE_LONG_LONG
# define __bswap_constant_64(x) \
- ((((x) & 0xff00000000000000ul) >> 56) \
- | (((x) & 0x00ff000000000000ul) >> 40) \
- | (((x) & 0x0000ff0000000000ul) >> 24) \
- | (((x) & 0x000000ff00000000ul) >> 8) \
- | (((x) & 0x00000000ff000000ul) << 8) \
- | (((x) & 0x0000000000ff0000ul) << 24) \
- | (((x) & 0x000000000000ff00ul) << 40) \
- | (((x) & 0x00000000000000fful) << 56))
+ ((((x) & 0xff00000000000000ull) >> 56) \
+ | (((x) & 0x00ff000000000000ull) >> 40) \
+ | (((x) & 0x0000ff0000000000ull) >> 24) \
+ | (((x) & 0x000000ff00000000ull) >> 8) \
+ | (((x) & 0x00000000ff000000ull) << 8) \
+ | (((x) & 0x0000000000ff0000ull) << 24) \
+ | (((x) & 0x000000000000ff00ull) << 40) \
+ | (((x) & 0x00000000000000ffull) << 56))
static __inline unsigned long long int
__bswap_64 (unsigned long long int __bsx)
diff --git a/sysdeps/x86_64/bits/byteswap.h b/sysdeps/x86_64/bits/byteswap.h
index 5094a05..472281f 100644
--- a/sysdeps/x86_64/bits/byteswap.h
+++ b/sysdeps/x86_64/bits/byteswap.h
@@ -1,6 +1,5 @@
/* Macros to swap the order of bytes in integer values.
- Copyright (C) 1997, 1998, 2000, 2002, 2003, 2007, 2008, 2010, 2011
- Free Software Foundation, Inc.
+ Copyright (C) 1997-2012 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
@@ -131,6 +130,22 @@
} \
__r.__ll; }))
# endif
+#elif __GLIBC_HAVE_LONG_LONG
+# 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))
+
+static __inline unsigned long long int
+__bswap_64 (unsigned long long int __bsx)
+{
+ return __bswap_constant_64 (__bsx);
+}
#endif
#endif /* _BITS_BYTESWAP_H */