Texas Instruments TMS320C67X - 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