| ------------ | ------------------------ |
| average-add. | result = (src1 + src2 + 1) >> 1 |
| abs-diff | result = abs (src1-src2) |
-| abs-accumulate| result += abs (src1, src2) |
+| abs-accumulate| result += abs (src1-src2) |
| (un)signed min| result = (src1 < src2) ? src1 : src2 use bitmanip |
| (un)signed max| result = (src1 > src2) ? src1 : src2 use bitmanip |
| bitwise sel | (a ? b : c) - use [[sv/bitmanip]] ternary |