Texas Instruments TMS320C6000 Series Reference Manual page 189

Mapping Between Instructions and Functional Units
4.2 Mapping Between Instructions and Functional Units
Table 4–2. Instruction to Functional Unit Mapping
Table 4–3. Functional Unit to Instruction Mapping
Instruction
ABSDP
ABSSP
ADDAD
ADDDP
ADDSP
CMPEQDP
CMPEQSP
CMPGTDP
CMPGTSP
4-4
Table 4–2 shows the mapping between instructions and functional units and
and Table 4–3 shows the mapping between functional units and instructions.
.L Unit
ADDDP
ADDSP
DPINT
DPSP
INTDP
INTDPU
INTSP
INTSPU
SPINT
SPTRUNC
SUBDP
SUBSP
'C67x Functional Units
.L Unit .M Unit
.M Unit .S Unit
MPYDP ABSDP
MPYI ABSSP
MPYID CMPEQDP
MPYSP CMPEQSP
CMPGTDP
CMPGTSP
CMPLTDP
CMPLTSP
RCPDP
RCPSP
RSQRDP
RSQRSP
SPDP
.S Unit
.D Unit
ADDAD
LDDW
.D Unit
Type
2-cycle DP
Single cycle
Single cycle
ADDDP/
SUBDP
Four cycle
DP compare
Single cycle
DPcompare
Single cycle