Texas Instruments TMS320C67X/C67X+ DSP - Manual (Page 234)

MPYU Multiply Unsigned 16 LSB x Unsigned 16 LSB
3-174 Instruction Set SPRU733
Multiply Unsigned 16 LSB y Unsigned 16 LSB MPYU
Syntax MPYU (.unit) src1, src2, dst
.unit = .M1 or .M2
Compatibility C62x, C64x, C67x, and C67x+ CPU
Opcode
31 29 28 27 23 22 18 17 13 12 11 7 6 5 4 3 2 1 0
creg z dst src2 src1 x 1 1 1 1 1 0 0 0 0 0 s p
3 1 5 5 5 1 1 1
Opcode map field used... For operand type... Unit
src1
src2
dst ulsb16
xulsb16
uint .M1, .M2
Description The src1 operand is multiplied by the src2 operand. The result is placed in dst.
The source operands are unsigned by default.
Execution if (cond) lsb16(src1) × lsb16(src2) → dst
else nop
Pipeline
Stage
E1 E2
Read src1, src2
Written dst
Unit in use .M
Instruction Type Multiply (16 × 16)
Delay Slots 1
See Also MPY, MPYSU, MPYUS
Pipeline