Motorola DSP96002 - Manual (Page 507)

MOTOROLA DSP96002 USER’S MANUAL A - 319
Data ALU Operation +da Cycles
(IEEE Mode) + da Cycles worst case Comments
FNEG.X dax 4 Worst case: den=1
FSCALE.S dam 6 Worst case: res=1, den=1
FSCALE.X dam 6 Worst case: res=1, den=1
FSEEDD dam 6 Worst case: res=1, den=1
FSEEDR dam 4 Worst case: res=0 den=1
FSUB.S das 8 Worst case: res=1, den=2
FSUB.X dax 6 Worst case: den=2
FTFR.S das 6 Worst case: res=1, den=1
FTFR.X dax 4 Worst case: den=1
FTST dax 4 Worst case: den=1
GETEXP dam 4 Worst case: den=1
IFcc daff n/a
IFcc.U daff n/a
INT dax 4 Worst case: den=1
INTRZ dax 4 Worst case: den=1
INTU dax 4 Worst case: den=1
INTURZ dax 4 Worst case: den=1
Figure A-8 Data ALU Operation Timing Summary (Continued)
where
dam = 2 * (res + i * (1 + den)) clock cycles
res= number of de/unnormalized results.
den= number of source operands with U-tag or V-tag set.
i = 0, if den=0; 1 otherwise.
dams= 2 * (res + i * (1 + den)) clock cycles
res= number of multiplier and add/sub de/unnormalized results.
den= number of multiplier source operands with U-tag or V-tag set +
number of add/sub source operands with U-tag set.
i = 0, if den=0; 1 otherwise.
damx= 2 * (res + i * (1 + den)) clock cycles