// Local metadata declaration, assignment
bit<16> tmp1; bit<16> tmp2;
tmp1 = hdr.ethernet.type;
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// bit slicing, concatenation
tmp2 = tmp1[7:0] ++ tmp1[15:8];
// addition, subtraction, casts
tmp2 = tmp1 + tmp1 – (bit<16>)tmp1[7:0];
// bitwise operators
tmp2 = (~tmp1 & tmp1) | (tmp1 ^ tmp1);
tmp2 = tmp1 << 3;
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