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: Fix PR41573, remove pass_remove_useless_stmts


Hi,

On Wed, 7 Oct 2009, Eric Botcazou wrote:

> > So, I removed the whole thing.  tramp3d compiles even a bit faster on -O0
> > now.  Bootstrap times are unaffected.
> 
> What about code size at -O0?

Same code.  Even at -O0 we run cleanup_cfg, which uses gimple_fold on 
conditions, so the jumps are cleaned up in the same way that also r_u_s 
did.  There are some renumberings in the exception labels.


Ciao,
Michael.


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