source2           612 ompi/op/op.h   static inline void ompi_3buff_op_user (ompi_op_t *op, void * restrict source1, void * restrict source2,
source2           616 ompi/op/op.h       op->o_func.c_fn (source2, result, &count, &dtype);
source2           643 ompi/op/op.h                                           void *source2, void *target,
source2           650 ompi/op/op.h       src2 = source2;