This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: [RFA] Fix Ada bootstrap (was: 16: EH redirection)


On Thu, Apr 30, 2009 at 12:50:18PM +0200, Jan Hubicka wrote:
> I do not know how to fix this properly.  I can either make DCE to not
> remove unreachable blocks and remove them somewhere later, or simply
> drop DCE flag on DSE df_analyze or declare that it is up to caller to
> cleanup CFG after calling df_analyze with DCE flag when df_analyze
> somehow signalizes that it removed some throwing instructions or make
> DCE to update the bitmap?

The df_analyze call doing DCE is before step3, so just moving computation
of all_blocks from step1 down to step3 where it is used could help.

	Jakub


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]