/// <summary cref="IValueVisitor.Visit(Predicate)"/>
public void Visit(Predicate predicate)
{
var condition = LoadPrimitive(predicate.Condition);
var trueValue = Load(predicate.TrueValue);
var falseValue = Load(predicate.FalseValue);
var targetRegister = Allocate(predicate);
EmitComplexCommand(
PTXInstructions.GetSelectValueOperation(predicate.BasicValueType),
new PredicateEmitter(condition),
targetRegister,
trueValue,
falseValue);
}
/// <summary cref="IBackendCodeGenerator.GenerateCode(IfPredicate)"/>
public void GenerateCode(IfPredicate predicate)
{
var condition = LoadPrimitive(predicate.Condition);
var trueValue = Load(predicate.TrueValue);
var falseValue = Load(predicate.FalseValue);
var targetRegister = Allocate(predicate);
if (predicate.BasicValueType == BasicValueType.Int1)
{
// We need a specific sequence of instructions for predicate registers
var conditionRegister = EnsureHardwareRegister(condition);
using (var statement1 = BeginMove(
new PredicateConfiguration(conditionRegister, true)))
{
statement1.AppendSuffix(BasicValueType.Int1);
statement1.AppendArgument(targetRegister as PrimitiveRegister);
statement1.AppendArgument(trueValue as PrimitiveRegister);
}
using var statement2 = BeginMove(
new PredicateConfiguration(conditionRegister, false));
statement2.AppendSuffix(BasicValueType.Int1);
statement2.AppendArgument(targetRegister as PrimitiveRegister);
statement2.AppendArgument(falseValue as PrimitiveRegister);
}
else
{
EmitComplexCommand(
PTXInstructions.GetSelectValueOperation(predicate.BasicValueType),
new PredicateEmitter(condition),
targetRegister,
trueValue,
falseValue);
}
}
/// <summary> /// Gets the actual select command. /// </summary> public string AdjustCommand(string command, PrimitiveRegister[] registers) => PTXInstructions.GetSelectValueOperation(registers[0].BasicValueType);
