public void Rem(int rd, IEnumerable <byte> rs1Coding, IEnumerable <byte> rs2Coding)
{
var rs1 = new BigInteger(rs1Coding.ToArray());
var rs2 = new BigInteger(rs2Coding.ToArray());
var result = BigInteger.Remainder(rs1, rs2);
ExtensionHelper.WriteToRegister(rd, result, defaultBufferSize, register);
Logger.Debug("Rem: {rs1} * {rs2} = {result}", rs1.ToString(), rs2.ToString(), result.ToString());
}
public void Divw(int rd, IEnumerable <byte> rs1Coding, IEnumerable <byte> rs2Coding)
{
var rs1 = new BigInteger(rs1Coding.ToArray());
var rs2 = new BigInteger(rs2Coding.ToArray());
var result = BigInteger.Divide(rs1, rs2);
ExtensionHelper.WriteToRegister(rd, result, 4, register);
Logger.Debug("Div: {rs1} * {rs2} = {result}", rs1.ToString(), rs2.ToString(), result.ToString());
}
/// <summary>
/// Implements the mul operation
/// </summary>
/// <param name="rd">the target register</param>
/// <param name="rs1Coding">the little endian coding of the rs1</param>
/// <param name="rs2Coding">the little endian coding of the rs2</param>
public void ExecuteMul(int rd, IEnumerable <byte> rs1Coding, IEnumerable <byte> rs2Coding)
{
// Compute the result using the BigInteger type
var rs1 = new BigInteger(rs1Coding.ToArray());
var rs2 = new BigInteger(rs2Coding.ToArray());
var result = BigInteger.Multiply(rs1, rs2);
Logger.Debug("Mul: {rs1} * {rs2} = {result}", rs1.ToString(), rs2.ToString(), result.ToString());
ExtensionHelper.WriteToRegister(rd, result, defaultBufferSize, register);
}
/// <summary>
/// Implements the Mulh implementation
/// </summary>
/// <param name="rd"></param>
/// <param name="rs1Coding"></param>
/// <param name="rs2Coding"></param>
public void ExecuteMulh(int rd, IEnumerable <byte> rs1Coding, IEnumerable <byte> rs2Coding)
{
// Compute the result using the BigInteger type
var rs1 = new BigInteger(rs1Coding.ToArray());
var rs2 = new BigInteger(rs2Coding.ToArray());
var result = rs1 * rs2;
// Shift the lower part to the right
result >>= boundary;
Logger.Debug("Mulh: {rs1} * {rs2} = {result} (shifted) ", rs1.ToString(), rs2.ToString(), result.ToString());
ExtensionHelper.WriteToRegister(rd, result, defaultBufferSize, register);
}
