slt

Set on less than

This instruction is defined by:

Encoding

Synopsis

Places the value 1 in register rd if register rs1 is less than the value in register rs2, where both sources are treated as signed numbers, else 0 is written to rd.

Access

Always

Decode Variables

Bits<5> rs2 = $encoding[24:20];
Bits<5> rs1 = $encoding[19:15];
Bits<5> rd = $encoding[11:7];

Execution

Pruned, XLEN == 64
Original

XReg src1 = X[rs1];
XReg src2 = X[rs2];
X[rd] = ($signed(src1) < $signed(src2)) ? '1 : '0;

XReg src1 = X[rs1];
XReg src2 = X[rs2];
X[rd] = ($signed(src1) < $signed(src2)) ? '1 : '0;