/// <summary>
/// Called to emit a list of instructions offered by the instruction provider.
/// </summary>
private void EmitInstructions()
{
var trace = CreateTraceLog(9);
MethodData.LabelRegions.Clear();
int labelCurrent = BasicBlock.ReservedLabel;
int labelStart = 0;
foreach (var block in BasicBlocks)
{
BlockStart(block);
for (var node = block.First; !node.IsBlockEndInstruction; node = node.Next)
{
if (node.IsEmptyOrNop)
{
continue;
}
if (node.IsBlockStartInstruction)
{
trace?.Log($"Block #{block.Sequence} - Label L_{block.Label:X4}" + (block.IsHeadBlock ? " [Header]" : string.Empty));
continue;
}
if (node.Instruction.IgnoreDuringCodeGeneration)
{
continue;
}
node.Offset = CodeEmitter.CurrentPosition;
if (node.Instruction is BasePlatformInstruction baseInstruction)
{
if (node.Label != labelCurrent)
{
if (labelCurrent != BasicBlock.ReservedLabel)
{
MethodData.AddLabelRegion(labelCurrent, labelStart, CodeEmitter.CurrentPosition - labelStart);
}
labelCurrent = node.Label;
labelStart = node.Offset;
}
baseInstruction.Emit(node, CodeEmitter);
GeneratedInstructionCount++;
trace?.Log($"{node.Offset} - /0x{node.Offset.ToString("X")} : {node}");
}
else
{
PostCompilerTraceEvent(CompilerEvent.Error, $"Missing Code Transformation: {node}");
}
}
block.Last.Offset = CodeEmitter.CurrentPosition;
BlockEnd(block);
GeneratedBlockCount++;
}
MethodData.AddLabelRegion(labelCurrent, labelStart, CodeEmitter.CurrentPosition - labelStart);
}