sltu

Set on less than unsigned

This instruction is defined by:

Encoding

svg

Synopsis

Places the value 1 in register xd if register xs1 is less than the value in register xs2, where both sources are treated as unsigned numbers, else 0 is written to xd.

Access

M HS U VS VU

Always

Always

Always

Always

Always

Decode Variables

Bits<5> xs2 = $encoding[24:20];
Bits<5> xs1 = $encoding[19:15];
Bits<5> xd = $encoding[11:7];

Execution

  • Pruned, XLEN == 64

  • Original

X[xd] = (X[xs1] < X[xs2]) ? 1 : 0;
X[xd] = (X[xs1] < X[xs2]) ? 1 : 0;