log_size           36 gc/finalize.c  # define HASH3(addr,size,log_size) \
log_size           37 gc/finalize.c      ((((word)(addr) >> 3) ^ ((word)(addr) >> (3+(log_size)))) \
log_size           39 gc/finalize.c  #define HASH2(addr,log_size) HASH3(addr, 1 << log_size, log_size)