Method _newStackCell

libraries/asmjit/asmjit/base/regalloc.cpp:209–245

}

RACell* RAPass::_newStackCell(uint32_t size, uint32_t alignment) {
  RACell* cell = static_cast<RACell*>(_zone->alloc(sizeof(RACell)));
  if (ASMJIT_UNLIKELY(!cell)) return nullptr;

  if (alignment == 0)
    alignment = RAGetDefaultAlignment(size);

  if (alignment > 64)
    alignment = 64;

  ASMJIT_ASSERT(Utils::isPowerOf2(alignment));
  size = Utils::alignTo<uint32_t>(size, alignment);

  // Insert it sorted according to the alignment and size.
  {
    RACell** pPrev = &_memStackCells;
    RACell* cur = *pPrev;

    while (cur && ((cur->alignment > alignment) || (cur->alignment == alignment && cur->size > size))) {
      pPrev = &cur->next;
      cur = *pPrev;
    }

    cell->next = cur;
    cell->offset = 0;
    cell->size = size;
    cell->alignment = alignment;

    *pPrev = cell;
    _memStackCellsUsed++;

    _memMaxAlign = std::max<uint32_t>(_memMaxAlign, alignment);
    _memStackTotal += size;
  }

  return cell;
}

Error RAPass::resolveCellOffsets() {
  RACell* varCell = _memVarCells;