Texas Instruments TMS320C67X/C67X+ DSP - Manual (Page 220)

MPYID Multiply 32-Bit x 32-Bit Into 64-Bit Result
3-160 Instruction Set SPRU733
Functional Unit
Latency 4
See Also MPYI
Example MPYID .M1 A1,A2,A5:A4
Before instruction 10 cycles after instruction
A1 0034 5678h 3430008 A1 0034 5678h 3430008
A2 0011 2765h 1124197 A2 0011 2765h 1124197
A5:A4 xxxx xxxxh xxxx xxxxh A5:A4 0000 0381h CBCA 6558h 3856004703576