-/// Emit something like ".long Hi+Offset-Lo" where the size in bytes of the
-/// directive is specified by Size and Hi/Lo specify the labels.
-static void emitLabelOffsetDifference(MCStreamer &Streamer, const MCSymbol *Hi,
- uint64_t Offset, const MCSymbol *Lo,
- unsigned Size) {
- MCContext &Context = Streamer.getContext();
-
- // Emit Hi+Offset - Lo
- // Get the Hi+Offset expression.
- const MCExpr *Plus =
- MCBinaryExpr::CreateAdd(MCSymbolRefExpr::Create(Hi, Context),
- MCConstantExpr::Create(Offset, Context), Context);
-
- // Get the Hi+Offset-Lo expression.
- const MCExpr *Diff = MCBinaryExpr::CreateSub(
- Plus, MCSymbolRefExpr::Create(Lo, Context), Context);
-
- // Otherwise, emit with .set (aka assignment).
- MCSymbol *SetLabel = Context.CreateTempSymbol();
- Streamer.EmitAssignment(SetLabel, Diff);
- Streamer.EmitSymbolValue(SetLabel, Size);
-}
-