Tulio Magno Quites Machado Filho 42bf1c8971 powerpc: Enforce compiler barriers on hardware transactions ...

Work around a GCC behavior with hardware transactional memory built-ins.
GCC doesn't treat the PowerPC transactional built-ins as compiler
barriers, moving instructions past the transaction boundaries and
altering their atomicity.

2016-01-08 17:47:33 -02:00

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