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J. Nick Koston
202bcf5b10
Walk back the __atomic_store_n on the writer paths — the mutators already hold lock_, so plain counter_++/=/+=/-- is sufficient to serialise against other writers. The reader fast-path still uses __atomic_load_n(&counter, __ATOMIC_RELAXED) to express concurrent- read intent in the C++ memory model and keep the compiler from caching/eliding the read. On ARMv5TE it compiles to a plain LDR — same codegen as before.
