4 ms·
Are LB and friends really that much of a pain? The alignment requirements mean they can all be implemented as the full XLEN version with a mask/shift.
by bpye 4y ago
Are LB and friends really that much of a pain? The alignment requirements mean they can all be implemented as the full XLEN version with a mask/shift.
- brucehoult 4y agoEnough of a pain that SiFive cores take a whole extra cycle for LB/LH (and LW on 64 bit) from L1 cache compared to loading a full register e.g. 3 vs 2.