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This patch alows using 64 bit atomic instructions on a
32 bit platform. This is safe, providing x86 is Pentium or
later (would not work on i386, i486). Using 64 bit atomic
instructions bypasses code containing a bug as documented in
https://bugzilla.yoctoproject.org/show_bug.cgi?id=8140
Upstream-Status: TBD
Signed-off-by: Juro Bystricky <juro.bystricky@intel.com>
Index: libc/sysdeps/i386/i486/bits/atomic.h
===================================================================
--- libc.orig/sysdeps/i386/i486/bits/atomic.h
+++ libc/sysdeps/i386/i486/bits/atomic.h
@@ -54,7 +54,7 @@ typedef uintmax_t uatomic_max_t;
# endif
#endif
-#define __HAVE_64B_ATOMICS 0
+#define __HAVE_64B_ATOMICS 1
#define USE_ATOMIC_COMPILER_BUILTINS 0
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