Mpyhlu, Multiply unsigned 16 msb, Unsigned 16 lsb mpyhlu – Texas Instruments TMS320C67X/C67X+ DSP User Manual
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Multiply Unsigned 16 MSB x Unsigned 16 LSB
MPYHLU
3-151
Instruction Set
SPRU733
Multiply Unsigned 16 MSB
y
Unsigned 16 LSB
MPYHLU
Syntax
MPYHLU (.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 0 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
umsb16
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)
msb16(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
MPYHL, MPYHSLU, MPYHULS
Pipeline