Log Message:-----------Use _mm_pause() for win64 spin_delay(), per note from Tsutomu Yamada.
Modified Files:-------------- pgsql/src/include/storage: s_lock.h (r1.170 -> r1.171) (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/include/storage/s_lock.h?r1=1.170&r2=1.171)
