| Name | Description |
|---|---|
Default | Portable bit-operation backend using compiler builtins. |
| Name | Description |
|---|---|
bextr | Extract length bits starting from start from value. Only bits [0:63] will be extracted. All higher order bits in the result will be zeroed. If no bits are extracted, return 0. |
blsr | Clears the lowest set bit of a value. |
bzhi | Clear high bits starting at position index. |
clz | Counts leading zero bits in a nonzero value. |
ctz | Counts trailing zero bits in a nonzero value. |
name | |
popcount | |
supported |
| Name | Description |
|---|---|
Haswell |