ISYNC              33 opal/include/opal/sys/powerpc/atomic.h #define ISYNC() __asm__ __volatile__ ("isync" : : : "memory")
ISYNC              34 opal/mca/pmix/pmix4x/pmix/src/atomics/sys/powerpc/atomic.h #define ISYNC() __asm__ __volatile__ ("isync" : : : "memory")