tree-gimple.c (is_gimple_reg_rhs, [...]): New fns.

        * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
        (rhs_test_for): New fn.
        (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
        * tree-gimple.h: Declare them.
        * gimplify.c (gimplify_modify_expr): Use the new fns.

From-SVN: r84696