More HuCC updates. #52
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…re generated so that I_BOOLEAN doesn't have to preserve the C flag anymore. This ensures that I_BFALSE and I_BTRUE are always preceeded by an I_TST_WR before the peephole optimizer does its job, and it means that no workaround is needed if the optimizer is disabled. Also add the X_NOT_CF optimization to invert the carry flag for the case if a "!" follows a conditional enclosed in parentheses.
… detection of "LD variable; test;" into the same set of peephole rules as the other checks and then expand the existing peephole rules to understand the list of optimized i-codes that the "test variable" and "not variable" rules can generate. Add another peephole rule and set of optimized i-codes for when the result of a "!" needs to produce a boolean instead of a flag/jump, such as "var = !var".
…clared VOID even though they do return a data value.
…n a VOID * is dereferenced.
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