Type should use consistent types for bits, lanes params
Type should use consistent types for bits, lanes params

Currently there is a mixture of ‘int’ and ‘uint8/uint16’; compiling
with -Wconversion or equivalent can generate lots of spurious warnings.
Standardize on ‘int’ for the argument type and return value.

psuriana/Halide,kgnk/Halide,kgnk/Halide,psuriana/Halide,psuriana/Halide,kgnk/Halide,psuriana/Halide,psuriana/Halide,kgnk/Halide,psuriana/Halide,psuriana/Halide,kgnk/Halide,kgnk/Halide,kgnk/Halide,kgnk/Halide