FPU_copy_to_regi
FPU_copy_to_regi(&CONST_QNaN, TAG_Special, deststnr);
FPU_copy_to_regi(x, TAG_Special, deststnr);
FPU_copy_to_regi(&CONST_QNaN, TAG_Special, deststnr);
FPU_copy_to_regi(&CONST_INF, TAG_Special, deststnr);
FPU_copy_to_regi(&CONST_QNaN, TAG_Special, i);
FPU_copy_to_regi(&CONST_QNaN, TAG_Special, i);
FPU_copy_to_regi(st0_ptr, st0_tag, i);
FPU_copy_to_regi(&st(0), FPU_gettag0(), FPU_rm);
FPU_copy_to_regi(&st(0), FPU_gettag0(), FPU_rm);
extern void FPU_copy_to_regi(FPU_REG const *r, u_char tag, int stnr);
FPU_copy_to_regi(&CONST_Z, TAG_Zero, deststnr);
FPU_copy_to_regi(&CONST_Z, TAG_Zero, deststnr);
FPU_copy_to_regi(a, TAG_Zero, deststnr);
FPU_copy_to_regi(a, TAG_Special, deststnr);
FPU_copy_to_regi(b, TAG_Special, deststnr);
FPU_copy_to_regi(&CONST_Z, TAG_Zero, deststnr);
FPU_copy_to_regi(&CONST_Z, TAG_Zero, deststnr);
FPU_copy_to_regi(a, TAG_Special, deststnr);
FPU_copy_to_regi(&CONST_Z, TAG_Zero, deststnr);
FPU_copy_to_regi(a, TAG_Special, deststnr);
FPU_copy_to_regi(b, TAG_Special, deststnr);
FPU_copy_to_regi(&CONST_Z, TAG_Zero, deststnr);