Edit C:\Program Files (x86)\PostgreSQL\9.5\include\server\port\atomics\arch-ppc.h
/*------------------------------------------------------------------------- * * arch-ppc.h * Atomic operations considerations specific to PowerPC * * Portions Copyright (c) 1996-2015, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * NOTES: * * src/include/port/atomics/arch-ppc.h * *------------------------------------------------------------------------- */ #if defined(__GNUC__) /* * lwsync orders loads with respect to each other, and similarly with stores. * But a load can be performed before a subsequent store, so sync must be used * for a full memory barrier. */ #define pg_memory_barrier_impl() __asm__ __volatile__ ("sync" : : : "memory") #define pg_read_barrier_impl() __asm__ __volatile__ ("lwsync" : : : "memory") #define pg_write_barrier_impl() __asm__ __volatile__ ("lwsync" : : : "memory") #endif
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