- Revert the previous patch:

- Revert the previous patch:

        * expr.c (expand_expr_real) <NOP_EXPR>: Return a new
        pseudo when converting from a sub-word source to a
        larger-than-word register which conflicts with the source.

- Checkin the updated patch:
        * expr.c (convert_move): Copy the source to a new pseudo
        when converting from a sub-word source to a larger-than-word
        register which conflicts with the source.

From-SVN: r81275