public void Visit(PredicateBarrier barrier)
{
if (Get <PredicateBarrier>().Kind != barrier.Kind)
{
Fail();
}
}
/// <summary cref="IValueVisitor.Visit(PredicateBarrier)"/>
public void Visit(PredicateBarrier barrier)
{
var targetRegister = AllocatePrimitive(barrier);
var sourcePredicate = LoadPrimitive(barrier.Predicate);
switch (barrier.Kind)
{
case PredicateBarrierKind.And:
case PredicateBarrierKind.Or:
using (var command = BeginCommand(
PTXInstructions.GetPredicateBarrier(barrier.Kind)))
{
command.AppendArgument(targetRegister);
command.AppendConstant(0);
command.AppendArgument(sourcePredicate);
}
break;
case PredicateBarrierKind.PopCount:
using (var command = BeginCommand(
PTXInstructions.GetPredicateBarrier(barrier.Kind)))
{
command.AppendArgument(targetRegister);
command.AppendConstant(0);
command.AppendArgument(sourcePredicate);
}
break;
default:
throw new InvalidCodeGenerationException();
}
}
/// <summary cref="IBackendCodeGenerator.GenerateCode(PredicateBarrier)"/>
public void GenerateCode(PredicateBarrier barrier)
{
var sourcePredicate = Load(barrier.Predicate);
var target = Allocate(barrier);
if (!CLInstructions.TryGetPredicateBarrier(
barrier.Kind,
out string operation))
{
throw new InvalidCodeGenerationException();
}
using var statement = BeginStatement(target);
statement.AppendCast(BasicValueType.Int1);
statement.AppendCommand(operation);
statement.BeginArguments();
statement.AppendCast(BasicValueType.Int32);
statement.AppendArgument(sourcePredicate);
statement.EndArguments();
}
/// <summary cref="IValueVisitor.Visit(PredicateBarrier)"/> public void Visit(PredicateBarrier barrier) => CodeGenerator.GenerateCode(barrier);
