[Bug middle-end/38729] long time needed in tree canonical iv

[jv244 at cam dot ac dot uk]

------- Comment #2 from jv244 at cam dot ac dot uk  2009-06-20 16:15 -------
timings with '-O1 -fbounds-check'
4.3.1: 3m40.229s
4.4.1: 4m34.003s
4.5.0: 5m30.149s
all slow... and not improving (vs 20s at -O0 -fbounds-check)


-- 

jv244 at cam dot ac dot uk changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to fail|                            |4.3.1 4.4.1 4.5.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38729