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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 /sysdeps/x86_64
parentbbe315ea364e86166bb985e2e605af029482a124 (diff)
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Prevent warnings due to long long constants
Diffstat (limited to 'sysdeps/x86_64')
-rw-r--r--sysdeps/x86_64/bits/byteswap.h18
1 files changed, 9 insertions, 9 deletions
diff --git a/sysdeps/x86_64/bits/byteswap.h b/sysdeps/x86_64/bits/byteswap.h
index e350fb8063..c6db93c41a 100644
--- a/sysdeps/x86_64/bits/byteswap.h
+++ b/sysdeps/x86_64/bits/byteswap.h
@@ -1,5 +1,5 @@
 /* Macros to swap the order of bytes in integer values.
-   Copyright (C) 1997, 1998, 2000, 2002, 2003, 2007, 2008, 2010
+   Copyright (C) 1997, 1998, 2000, 2002, 2003, 2007, 2008, 2010, 2011
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -99,14 +99,14 @@
 #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)))
 
 # if __WORDSIZE == 64
 #  define __bswap_64(x) \