DLSTACK_PUSH_D   170 ext/dl/dl.h    #   define DLSTACK_PUSH_D(x) asm volatile ("fldl %0"::"g"(x));\
DLSTACK_PUSH_D   194 ext/dl/dl.h    # define DLSTACK_PUSH_D(x)  memcpy(sp,&x,sizeof(double)); sp+=sizeof(double)/sizeof(long);