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2014-11-10 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
+ * sysdeps/powerpc/nptl/elide.h: New file: generic lock elision support
+ for powerpc.
+ * sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h
+ [pthread_rwlock_t] (__pad1): Change size to 7 bytes in 64 bits case
+ and remove it for 32 bits case.
+ [pthread_rwlock_t] (__rwelision): New field for lock elision.
+ (__PTHREAD_RWLOCK_ELISION_EXTRA): Adjust for new lock elision field
+ initialization.
+ * sysdeps/unix/sysv/linux/powerpc/elision-conf.c (elision_init):
+ Disable lock elision with rdlocks if elision is not available.
+
* sysdeps/unix/sysv/linux/powerpc/Makefile [nptl]
(sysdep_routines): Add lock elision objects.
* sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h