2002-01-10  David Edelsohn  <edelsohn@gnu.org>

        * alias.c (find_base_value): Add cases for HIGH, PRE_INC, PRE_DEC,
        POST_INC, POST_DEC, PRE_MODIFY, and POST_MODIFY.
        (find_base_term): Add cases for TRUNCATE, PRE_MODIFY, and POST_MODIFY.
        Recurse for any operand of AND as long as constant is non-zero.

From-SVN: r48741