remu

Unsigned remainder

This instruction is defined by:

Encoding

Synopsis

Calculate the remainder of unsigned division of xs1 by xs2, and store the result in xd.

Access

M	HS	U	VS	VU
Always	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

if (implemented?(ExtensionName::M) && (misa.M == 1'b0)) {
  raise(ExceptionCode::IllegalInstruction, mode(), $encoding);
}
XReg src1 = X[xs1];
XReg src2 = X[xs2];
if (src2 == 0) {
  X[xd] = src1;
} else {
  X[xd] = src1 % src2;
}

if (implemented?(ExtensionName::M) && (misa.M == 1'b0)) {
  raise(ExceptionCode::IllegalInstruction, mode(), $encoding);
}
XReg src1 = X[xs1];
XReg src2 = X[xs2];
if (src2 == 0) {
  X[xd] = src1;
} else {
  X[xd] = src1 % src2;
}

Exceptions

This instruction may result in the following synchronous exceptions:

IllegalInstruction