| 665 | } |
| 666 | |
| 667 | inline int ClassifyObject(const PassInfo *info, ObjectClass *classes) |
| 668 | { |
| 669 | ObjectField *fields = info->fields; |
| 670 | unsigned int numFields = info->numFields; |
| 671 | int numWords = 1; |
| 672 | |
| 673 | if (info->size > 16 || info->flags & PASSFLAG_OUNALIGN) |
| 674 | classes[0] = ObjectClass::Memory; |
| 675 | else if (info->flags & (PASSFLAG_ODTOR|PASSFLAG_OCOPYCTOR)) |
| 676 | classes[0] = ObjectClass::Pointer; |
| 677 | else if (info->size > 8) |
| 678 | classes[0] = ObjectClass::None; |
| 679 | else if (numFields == 1 || numFields == 2) |
| 680 | classes[0] = ClassifyType(fields[0]); |
| 681 | else |
| 682 | classes[0] = ObjectClass::Integer; |
| 683 | |
| 684 | if (classes[0] == ObjectClass::None) |
| 685 | { |
| 686 | numWords = int((info->size + 7) / 8); |
| 687 | |
| 688 | unsigned int j = 0; |
| 689 | for (int i = 0; i < numWords; i++) |
| 690 | { |
| 691 | classes[i] = ObjectClass::None; |
| 692 | size_t sizeSoFar = 0; |
| 693 | for (int k = 0; j < numFields; j++, k++) |
| 694 | { |
| 695 | size_t sz = TypeSize(fields[j]); |
| 696 | if (sizeSoFar + sz > 8) |
| 697 | break; |
| 698 | else |
| 699 | sizeSoFar += sz; |
| 700 | |
| 701 | if (k == 0 && sizeSoFar == 8) { |
| 702 | classes[i] = ClassifyType(fields[j++]); |
| 703 | break; |
| 704 | } else if (j + 1 >= numFields) { |
| 705 | break; |
| 706 | } |
| 707 | |
| 708 | const ObjectField &field1 = fields[j]; |
| 709 | const ObjectField &field2 = fields[j + 1]; |
| 710 | |
| 711 | classes[i] = MergeClasses(ClassifyType(field1), ClassifyType(field2)); |
| 712 | } |
| 713 | } |
| 714 | } |
| 715 | |
| 716 | return numWords; |
| 717 | } |
| 718 | |
| 719 | inline void Write_PushObject(JitWriter *jit, const SourceHook::PassInfo *info, unsigned int offset, |
| 720 | const PassInfo *smInfo) |
no test coverage detected