This is the mail archive of the gcc@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: Compilation performance comparison of 3.5.0 and TreeSSA treeson MICO sources as requested in: [tree-ssa] Merge status 2004-05-03

On Wed, 2004-05-05 at 19:33, Jan Hubicka wrote:

> You need ssa form form DCE.  Going in/out just for DCE might be bit
> expensive...
> 
Well, is it?  You probably don't even need the full out-of-ssa pass.  If
at -O0 we only schedule passes the will never create overlapping LRs,
you can just drop the SSA_NAMEs on the way out.  That's one of the paths
I'd be interested in exploring.


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