264   int scratch = -1;  in AllocateScratchRegister()  local
267       scratch = reg;  in AllocateScratchRegister()
272   if (scratch == -1) {  in AllocateScratchRegister()
274     scratch = if_scratch;  in AllocateScratchRegister()
279   return scratch;  in AllocateScratchRegister()
381     for (Location scratch : scratches_) {  in AddScratchLocation()  local
382       CHECK(!loc.Equals(scratch));  in AddScratchLocation()
458     Location scratch = AllocateScratchLocationFor(kind);  in PerformMove()  local
462     move->SetDestination(scratch);  in PerformMove()
465     UpdateMoveSource(source, scratch);  in PerformMove()
467     AddPendingMove(scratch, destination, type);  in PerformMove()
495       Location scratch = scratches_[i];  in PerformMove()  local
497       if (scratch.OverlapsWith(pending_source) && !IsBlockedByMoves(scratch)) {  in PerformMove()