compiler/utils/mips/assembler_mips.cc [1967:2005]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void MipsAssembler::PromoteBranches() {
  // Promote short branches to long as necessary.
  bool changed;
  do {
    changed = false;
    for (auto& branch : branches_) {
      CHECK(branch.IsResolved());
      uint32_t delta = branch.PromoteIfNeeded();
      // If this branch has been promoted and needs to expand in size,
      // relocate all branches by the expansion size.
      if (delta) {
        changed = true;
        uint32_t expand_location = branch.GetLocation();
        for (auto& branch2 : branches_) {
          branch2.Relocate(expand_location, delta);
        }
      }
    }
  } while (changed);

  // Account for branch expansion by resizing the code buffer
  // and moving the code in it to its final location.
  size_t branch_count = branches_.size();
  if (branch_count > 0) {
    // Resize.
    Branch& last_branch = branches_[branch_count - 1];
    uint32_t size_delta = last_branch.GetEndLocation() - last_branch.GetOldEndLocation();
    uint32_t old_size = buffer_.Size();
    buffer_.Resize(old_size + size_delta);
    // Move the code residing between branch placeholders.
    uint32_t end = old_size;
    for (size_t i = branch_count; i > 0; ) {
      Branch& branch = branches_[--i];
      uint32_t size = end - branch.GetOldEndLocation();
      buffer_.Move(branch.GetEndLocation(), branch.GetOldEndLocation(), size);
      end = branch.GetOldLocation();
    }
  }
}
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -



compiler/utils/mips64/assembler_mips64.cc [1635:1673]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void Mips64Assembler::PromoteBranches() {
  // Promote short branches to long as necessary.
  bool changed;
  do {
    changed = false;
    for (auto& branch : branches_) {
      CHECK(branch.IsResolved());
      uint32_t delta = branch.PromoteIfNeeded();
      // If this branch has been promoted and needs to expand in size,
      // relocate all branches by the expansion size.
      if (delta) {
        changed = true;
        uint32_t expand_location = branch.GetLocation();
        for (auto& branch2 : branches_) {
          branch2.Relocate(expand_location, delta);
        }
      }
    }
  } while (changed);

  // Account for branch expansion by resizing the code buffer
  // and moving the code in it to its final location.
  size_t branch_count = branches_.size();
  if (branch_count > 0) {
    // Resize.
    Branch& last_branch = branches_[branch_count - 1];
    uint32_t size_delta = last_branch.GetEndLocation() - last_branch.GetOldEndLocation();
    uint32_t old_size = buffer_.Size();
    buffer_.Resize(old_size + size_delta);
    // Move the code residing between branch placeholders.
    uint32_t end = old_size;
    for (size_t i = branch_count; i > 0; ) {
      Branch& branch = branches_[--i];
      uint32_t size = end - branch.GetOldEndLocation();
      buffer_.Move(branch.GetEndLocation(), branch.GetOldEndLocation(), size);
      end = branch.GetOldLocation();
    }
  }
}
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -