Method _newVarCell

libraries/asmjit/asmjit/base/regalloc.cpp:164–207

}

RACell* RAPass::_newVarCell(VirtReg* vreg) {
  ASMJIT_ASSERT(vreg->_memCell == nullptr);

  RACell* cell;
  uint32_t size = vreg->getSize();

  if (vreg->isStack()) {
    cell = _newStackCell(size, vreg->getAlignment());
    if (ASMJIT_UNLIKELY(!cell)) return nullptr;
  }
  else {
    cell = static_cast<RACell*>(_zone->alloc(sizeof(RACell)));
    if (!cell) goto _NoMemory;

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

    _memVarCells = cell;
    _memMaxAlign = std::max<uint32_t>(_memMaxAlign, size);
    _memVarTotal += size;

    switch (size) {
      case  1: _mem1ByteVarsUsed++ ; break;
      case  2: _mem2ByteVarsUsed++ ; break;
      case  4: _mem4ByteVarsUsed++ ; break;
      case  8: _mem8ByteVarsUsed++ ; break;
      case 16: _mem16ByteVarsUsed++; break;
      case 32: _mem32ByteVarsUsed++; break;
      case 64: _mem64ByteVarsUsed++; break;

      default:
        ASMJIT_NOT_REACHED();
    }
  }

  vreg->_memCell = cell;
  return cell;

_NoMemory:
  cc()->setLastError(DebugUtils::errored(kErrorNoHeapMemory));
  return nullptr;
}

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