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opal/ppc atomics: Optimize the RMB(). #9217

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Aug 17, 2021
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opal/ppc atomics: Optimize the RMB(). #9217

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2 changes: 1 addition & 1 deletion opal/include/opal/sys/powerpc/atomic.h
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,7 @@
*/

#define MB() __asm__ __volatile__("sync" : : : "memory")
#define RMB() __asm__ __volatile__("lwsync" : : : "memory")
#define RMB() __asm__ __volatile__ ("isync" : : : "memory")
#define WMB() __asm__ __volatile__("lwsync" : : : "memory")
#define ISYNC() __asm__ __volatile__("isync" : : : "memory")

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