| IRgen optimization opportunities. |
| |
| //===---------------------------------------------------------------------===// |
| |
| The common pattern of |
| -- |
| short x; // or char, etc |
| (x == 10) |
| -- |
| generates an zext/sext of x which can easily be avoided. |
| |
| //===---------------------------------------------------------------------===// |
| |
| Bitfields accesses can be shifted to simplify masking and sign |
| extension. For example, if the bitfield width is 8 and it is |
| appropriately aligned then is is a lot shorter to just load the char |
| directly. |
| |
| //===---------------------------------------------------------------------===// |