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authorUlrich Drepper <drepper@gmail.com>2011-12-23 13:52:59 -0500
committerUlrich Drepper <drepper@gmail.com>2011-12-23 13:52:59 -0500
commit67371b5666310a0012ec39b6c9bc41fe0c1b0bc4 (patch)
tree6059d358471785cc7223dd2a11e87584211824e0 /bits/byteswap.h
parentbbe315ea364e86166bb985e2e605af029482a124 (diff)
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Prevent warnings due to long long constants
Diffstat (limited to 'bits/byteswap.h')
-rw-r--r--bits/byteswap.h21
1 files changed, 11 insertions, 10 deletions
diff --git a/bits/byteswap.h b/bits/byteswap.h
index 45cb9471e3..6df2f28c02 100644
--- a/bits/byteswap.h
+++ b/bits/byteswap.h
@@ -1,5 +1,6 @@
 /* Macros to swap the order of bytes in integer values.
-   Copyright (C) 1997,1998,2000-2002,2005,2008 Free Software Foundation, Inc.
+   Copyright (C) 1997,1998,2000-2002,2005,2008,2011
+   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
@@ -60,20 +61,20 @@ __bswap_32 (unsigned int __bsx)
 #if defined __GNUC__ && __GNUC__ >= 2
 /* Swap bytes in 64 bit value.  */
 # 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__ ((((x) & 0xff00000000000000ull) >> 56)		      \
+		     | (((x) & 0x00ff000000000000ull) >> 40)		      \
+		     | (((x) & 0x0000ff0000000000ull) >> 24)		      \
+		     | (((x) & 0x000000ff00000000ull) >> 8)		      \
+		     | (((x) & 0x00000000ff000000ull) << 8)		      \
+		     | (((x) & 0x0000000000ff0000ull) << 24)		      \
+		     | (((x) & 0x000000000000ff00ull) << 40)		      \
+		     | (((x) & 0x00000000000000ffull) << 56)))
 
 # define __bswap_64(x) \
      (__extension__							      \
       ({ union { __extension__ unsigned long long int __ll;		      \
 		 unsigned int __l[2]; } __w, __r;			      \
-         if (__builtin_constant_p (x))					      \
+	 if (__builtin_constant_p (x))					      \
 	   __r.__ll = __bswap_constant_64 (x);				      \
 	 else								      \
 	   {								      \