[Bug middle-end/34450] [4.3 Regression] compile takes up 1.8 GB RAM at -O1

[rguenth at gcc dot gnu dot org]

------- Comment #2 from rguenth at gcc dot gnu dot org  2007-12-13 10:29 -------
I can confirm this.

 tree FRE              :  22.25 (56%) usr   1.35 (60%) sys  23.67 (56%) wall
3202543 kB (92%) ggc

fpica() get's very large and complex.  We have very many SFTs and one giant SCC
(with around 127000 members(!)).


-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |dberlin at gcc dot gnu dot
                   |                            |org, rguenth at gcc dot gnu
                   |                            |dot org
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1
           Keywords|                            |compile-time-hog, memory-hog
   Last reconfirmed|0000-00-00 00:00:00         |2007-12-13 10:29:25
               date|                            |
   Target Milestone|---                         |4.3.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34450