* Add initial nios2 architecture support.
* Avoid atomic_compare_exchange_n if no __GCC_HAVE_SYNC_COMPARE_AND_SWAP_n.
+* Basic support of TILE-Gx and TILEPro CPUs.
* Define AO_TS_SET as __GCC_ATOMIC_TEST_AND_SET_TRUEVAL if applicable.
* Eliminate redundant lwsync 2nd call in CAS_full on fail (gcc/PowerPC).
* Implement CAS_acquire/release/full using __atomic_compare_exchange_n (gcc).
* Initial ibmc/powerpc (xlc) support.
* New configure option (--enable-werror) to treat warnings as compiler errors.
* New macro AO_PREFER_BUILTIN_ATOMICS to rely on C11 atomics fully (AArch64).
+* Refine documentation about _full memory ordering suffix.
* Relax shareability domain for dmb st in AO_nop_write (ARM/AArch64).
* Support NaCl/arm.
* Support n32 ABI for mips64.
Also, includes 7.4.4 changes.
-== [7.4.4] (unset) ==
+== [7.4.4] 2016-05-24 ==
* Eliminate 'signed-to-unsigned value extension' compiler warning in malloc.
* Eliminate 'variable set but not used' Cppcheck warnings in test_stack.