compiler/utils/mips/assembler_mips.cc [1903:1924]:
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uint32_t MipsAssembler::GetAdjustedPosition(uint32_t old_position) {
  // We can reconstruct the adjustment by going through all the branches from the beginning
  // up to the old_position. Since we expect AdjustedPosition() to be called in a loop
  // with increasing old_position, we can use the data from last AdjustedPosition() to
  // continue where we left off and the whole loop should be O(m+n) where m is the number
  // of positions to adjust and n is the number of branches.
  if (old_position < last_old_position_) {
    last_position_adjustment_ = 0;
    last_old_position_ = 0;
    last_branch_id_ = 0;
  }
  while (last_branch_id_ != branches_.size()) {
    const Branch* branch = GetBranch(last_branch_id_);
    if (branch->GetLocation() >= old_position + last_position_adjustment_) {
      break;
    }
    last_position_adjustment_ += branch->GetSize() - branch->GetOldSize();
    ++last_branch_id_;
  }
  last_old_position_ = old_position;
  return old_position + last_position_adjustment_;
}
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compiler/utils/mips64/assembler_mips64.cc [1568:1589]:
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uint32_t Mips64Assembler::GetAdjustedPosition(uint32_t old_position) {
  // We can reconstruct the adjustment by going through all the branches from the beginning
  // up to the old_position. Since we expect AdjustedPosition() to be called in a loop
  // with increasing old_position, we can use the data from last AdjustedPosition() to
  // continue where we left off and the whole loop should be O(m+n) where m is the number
  // of positions to adjust and n is the number of branches.
  if (old_position < last_old_position_) {
    last_position_adjustment_ = 0;
    last_old_position_ = 0;
    last_branch_id_ = 0;
  }
  while (last_branch_id_ != branches_.size()) {
    const Branch* branch = GetBranch(last_branch_id_);
    if (branch->GetLocation() >= old_position + last_position_adjustment_) {
      break;
    }
    last_position_adjustment_ += branch->GetSize() - branch->GetOldSize();
    ++last_branch_id_;
  }
  last_old_position_ = old_position;
  return old_position + last_position_adjustment_;
}
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