David Edelsohn e3592e196a re PR target/66224 (PowerPC _GLIBCXX_READ_MEM_BARRIER too weak) ... PR target/66224 * config/cpu/powerpc/atomic_word.h (_GLIBCXX_READ_MEM_BARRIER): Don't use isync. Use lwsync if available. * configure.host (atomic_word_dir) [aix[56789]*]: Delete to use powerpc cpu definition. From-SVN: r223496		2015-05-21 13:18:25 -04:00
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