[PATCHES][TUPLES] Fix tree-profiling

[Doug Kwan (關振德)]

Hi Diego,

   This patch fixes 45 C failures and 22 C++ failures.  I tested and
bootstrapped it on i686-unknown-linux-gnu.  I removed an assertion in
gimple_set_bb which checks that a label is not in a bb.  I don't think
a assertion is a good check anyway.  To not trigger the assertion, one
must do something like

gimple_set_bb (label, NULL);
gimple_set_bb (label, new_bb);

when moving a label from bb to new_bb, and I think it is quite
awkward.  I don't think the assertion is good for anything. If we are
paranoid, we can add an assertion to check that label_to_block_map
points to the label's bb before we set it to the new one.

-Doug

2008-05-01  Doug Kwan  <dougkwan@google.com>

        * value-prof.c (gimple_divmod_fixed_value): Remove formal parameters
        OPERATION, OP1 and OP2 and derive their values from parameter STMT
        instead.  Update prototype and caller.
        (gimple_mod_pow2): Remove formal parameters OPERATION, OP1 and OP2
        and derive their values from parameter STMT instead.  Update prototype
        and caller.
        (gimple_mod_pow2_value_transform): Remove temporares OP, OP1 and OP2.
        Use a new tempory LHS_TYPE to store assignment LHS type.
        (gimple_mode_subtract): Remove formal parameters OPERATION, OP1 and OP2
        and derive their values from parameter STMT instead.  Update prototype
        and caller.  Fix a bug in a call to gimple_build_assign_with_ops.
        (gimple_mod_subtract_transform): Remove temporares OP, OP1 and OP2.
        Use a new tempory LHS_TYPE to store assignment LHS type.
        (gimple_ic, gimple_indirect_call_to_profile): Fix bug in tree-code
        tests.
        * tree-profile.c (File): Re-enable all previously disabled code.
        (tree_gen_edge_profiler): Tuplify.
        (prepare_instrumented_value): Ditto.
        (tree_gen_interval_profiler): Ditto.
        (tree_gen_pow2_profiler): Ditto.
        (tree_gen_one_value_profiler): Ditto.
        (tree_gen_ic_profiler): Ditto.
        (tree_gen_ic_func_profiler): Ditto.
        (tree_gen_const_delta_profiler): Re-format formal parameters for
        proper alignement.
        (tree_gen_average_profiler): Tuplify.
        (tree_gen_ior_profiler): Ditto.
        (do_tree_profiling): Re-enable previously disabled code.  Remove
        FIXME.
        (tree_profiling): Ditto.
        * gimple.c (gimple_set_bb):  Remove assertion.
        * tree-cfg.c (change_bb_for_stmt): Remove.  Redirect callers to
        gimple_set_bb.
        (gimple_merge_blocks): Call gimple_set_bb instead of
        change_bb_for_stmt.
        (gimple_split_block): Ditto.
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