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Re: [PATCH] Cleanup of IPA-CP alignment lattices


> Hi,
> 
> I have already proposed this patch many months ago but it got
> forgotten, for a number of reasons.  It does not change functionality,
> it only cleans up the alignment lattices, which are currently a bit
> clumsy.
> 
> I have refreshed the patch and made sure it still bootstraps and tests
> fine on an x86_64-linux.  OK for trunk?
> 
> Thanks,
> 
> Martin
> 
> 
> 2015-02-25  Martin Jambor  <mjambor@suse.cz>
> 	    Jan Hubicka  <hubicka@ucw.cz>
> 
> 	* ipa-cp.c (ipcp_alignment_lattice): New type.
> 	(ipcp_param_lattices): Use the above to represent alignment.
> 	(ipcp_alignment_lattice::print): New function.
> 	(print_all_lattices): Use it to print alignment information.
> 	(ipcp_alignment_lattice::top_p): New function.
> 	(ipcp_alignment_lattice::bottom_p): Likewise.
> 	(ipcp_alignment_lattice::set_to_bottom): Likewise.
> 	(ipcp_alignment_lattice::meet_with_1): Likewise.
> 	(ipcp_alignment_lattice::meet_with): Two new overloaded functions.
> 	(set_all_contains_variable): Use set_to_bottom of alignment lattice.
> 	(initialize_node_lattices): Likewise.
> 	(propagate_alignment_accross_jump_function): Work with the new class
> 	for alignment lattices.
> 	(propagate_constants_accross_call): Pass only the alignment lattice to
> 	propagate_alignment_accross_jump_function.
> 	(ipcp_store_alignment_results): Work with the new class for alignment
> 	lattices.
> 
> testsuite/
> 	* gcc.dg/ipa/propalign-4.c: New test.
> 	* gcc.dg/ipa/propalign-5.c: Likewise.

OK,
Honza


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