protected override void Compile(CodeContext c)
{
var l1 = c.Label();
var iIdx = c.Int32("iIdx");
var iEnd = c.Int32("iEnd");
var aIdx = c.Int32("aIdx");
var aEnd = c.Int32("aEnd");
c.SetArgument(0, aIdx);
c.SetArgument(1, aEnd);
c.Mov(iIdx, aIdx);
c.Mov(iEnd, aEnd);
c.Spill(iEnd);
c.Bind(l1);
c.Inc(iIdx);
c.Cmp(iIdx, iEnd.ToMemory());
c.Jne(l1);
c.Ret(iIdx);
}