from rule import Rule from opcodes import * """ Rule: MUL(X, SHL(Y, 1)) -> SHL(Y, X) MUL(SHL(X, 1), Y) -> SHL(X, Y) Requirements: """ rule = Rule() n_bits = 64 # Input vars X = BitVec('X', n_bits) Y = BitVec('Y', n_bits) # Requirements # Non optimized result nonopt_1 = MUL(X, SHL(Y, 1)) nonopt_2 = MUL(SHL(X, 1), Y) # Optimized result opt_1 = SHL(Y, X) opt_2 = SHL(X, Y) rule.check(nonopt_1, opt_1) rule.check(nonopt_2, opt_2)