/// <summary>
/// Inserts the instruction after.
/// </summary>
/// <param name="instruction">The instruction.</param>
/// <param name="code">The code.</param>
/// <param name="result">The result.</param>
public void AppendInstruction(IInstruction instruction, IR.ConditionCode code, Operand result)
{
AppendInstruction();
SetInstruction(instruction, result);
ConditionCode = code;
Result = result;
}
/// <summary>
/// Gets the opposite condition code.
/// </summary>
/// <param name="conditionCode">The condition code.</param>
/// <returns></returns>
protected static IR.ConditionCode GetOppositeConditionCode(IR.ConditionCode conditionCode)
{
switch (conditionCode)
{
case IR.ConditionCode.Equal: return(IR.ConditionCode.NotEqual);
case IR.ConditionCode.NotEqual: return(IR.ConditionCode.Equal);
case IR.ConditionCode.GreaterOrEqual: return(IR.ConditionCode.LessThan);
case IR.ConditionCode.GreaterThan: return(IR.ConditionCode.LessOrEqual);
case IR.ConditionCode.LessOrEqual: return(IR.ConditionCode.GreaterThan);
case IR.ConditionCode.LessThan: return(IR.ConditionCode.GreaterOrEqual);
case IR.ConditionCode.UnsignedGreaterOrEqual: return(IR.ConditionCode.UnsignedLessThan);
case IR.ConditionCode.UnsignedGreaterThan: return(IR.ConditionCode.UnsignedLessOrEqual);
case IR.ConditionCode.UnsignedLessOrEqual: return(IR.ConditionCode.UnsignedGreaterThan);
case IR.ConditionCode.UnsignedLessThan: return(IR.ConditionCode.UnsignedGreaterOrEqual);
case IR.ConditionCode.Signed: return(IR.ConditionCode.NotSigned);
case IR.ConditionCode.NotSigned: return(IR.ConditionCode.Signed);
default: throw new NotSupportedException();
}
}
/// <summary>
/// Gets the unsigned condition code.
/// </summary>
/// <param name="conditionCode">The condition code to get an unsigned form from.</param>
/// <returns>The unsigned form of the given condition code.</returns>
protected IR.ConditionCode GetUnsignedConditionCode(IR.ConditionCode conditionCode)
{
switch (conditionCode)
{
case IR.ConditionCode.Equal: break;
case IR.ConditionCode.NotEqual: break;
case IR.ConditionCode.GreaterOrEqual: return(IR.ConditionCode.UnsignedGreaterOrEqual);
case IR.ConditionCode.GreaterThan: return(IR.ConditionCode.UnsignedGreaterThan);
case IR.ConditionCode.LessOrEqual: return(IR.ConditionCode.UnsignedLessOrEqual);
case IR.ConditionCode.LessThan: return(IR.ConditionCode.UnsignedLessThan);
case IR.ConditionCode.UnsignedGreaterOrEqual: break;
case IR.ConditionCode.UnsignedGreaterThan: break;
case IR.ConditionCode.UnsignedLessOrEqual: break;
case IR.ConditionCode.UnsignedLessThan: break;
default: throw new NotSupportedException();
}
return(conditionCode);
}
/// <summary>
/// Gets the condition string.
/// </summary>
/// <param name="conditioncode">The conditioncode.</param>
/// <returns></returns>
protected string GetConditionString(IR.ConditionCode conditioncode)
{
switch (conditioncode)
{
case IR.ConditionCode.Equal: return(@"equal");
case IR.ConditionCode.GreaterOrEqual: return(@"greater or equal");
case IR.ConditionCode.GreaterThan: return(@"greater");
case IR.ConditionCode.LessOrEqual: return(@"less or equal");
case IR.ConditionCode.LessThan: return(@"less");
case IR.ConditionCode.NotEqual: return(@"not equal");
case IR.ConditionCode.UnsignedGreaterOrEqual: return(@"greater or equal (U)");
case IR.ConditionCode.UnsignedGreaterThan: return(@"greater (U)");
case IR.ConditionCode.UnsignedLessOrEqual: return(@"less or equal (U)");
case IR.ConditionCode.UnsignedLessThan: return(@"less (U)");
case IR.ConditionCode.NotSigned: return(@"unsigned");
case IR.ConditionCode.Signed: return(@"signed");
default: throw new NotSupportedException();
}
}
/// <summary>
/// Inserts the instruction after.
/// </summary>
/// <param name="instruction">The instruction.</param>
/// <param name="code">The code.</param>
/// <param name="block">The block.</param>
/// <param name="branchHint">if set to <c>true</c> [branch hint].</param>
public void AppendInstruction(IInstruction instruction, IR.ConditionCode code, BasicBlock block, bool branchHint)
{
AppendInstruction(instruction, code, block);
BranchHint = branchHint;
}
/// <summary>
/// Inserts the instruction after.
/// </summary>
/// <param name="instruction">The instruction.</param>
/// <param name="code">The code.</param>
/// <param name="block">The block.</param>
public void AppendInstruction(IInstruction instruction, IR.ConditionCode code, BasicBlock block)
{
AppendInstruction();
SetInstruction(instruction, code, block);
}
/// <summary>
/// Inserts the instruction after.
/// </summary>
/// <param name="instruction">The instruction.</param>
/// <param name="code">The code.</param>
public void AppendInstruction(IInstruction instruction, IR.ConditionCode code)
{
AppendInstruction();
SetInstruction(instruction);
ConditionCode = code;
}
/// <summary>
/// Sets the instruction.
/// </summary>
/// <param name="instruction">The instruction.</param>
/// <param name="code">The code.</param>
/// <param name="block">The block.</param>
public void SetInstruction(IInstruction instruction, IR.ConditionCode code, BasicBlock block)
{
SetInstruction(instruction);
ConditionCode = code;
SetBranch(block);
}
/// <summary>
/// Sets the instruction.
/// </summary>
/// <param name="instruction">The instruction.</param>
/// <param name="code">The code.</param>
public void SetInstruction(IInstruction instruction, IR.ConditionCode code)
{
SetInstruction(instruction);
ConditionCode = code;
}
