Texas Instruments TMS320C67X/C67X+ DSP User Manual
Page 202
LMBD
Leftmost Bit Detection
3-142
Instruction Set
SPRU733
Execution
if (cond)
{
if (src1
0
==
0) lmb0(src2)
→
dst
if (src1
0
==
1) lmb1(src2)
→
dst
}
else nop
Pipeline
Stage
E1
Read
src1, src2
Written
dst
Unit in use
.L
Instruction Type
Single-cycle
Delay Slots
0
Example
LMBD .L1
A1,A2,A3
Before instruction
1 cycle after instruction
A1 0000 0001h
A1 0000 0001h
A2 009E 3A81h
A2 009E 3A81h
A3 xxxx xxxxh
A3 0000 0008h
Pipeline