FP_MUL_S
FP_MUL_S(SR, SA, SB);
FP_MUL_S(SR, SA, SB);
FP_MUL_S(SR0, SA0, SB0);
FP_MUL_S(SR1, SA1, SB1);
FP_MUL_S(Ft, Fm, F0);
case FMULS: FP_MUL_S (SR, SA, SB); break;
case FMULS: FP_MUL_S (SR, SA, SB); break;