[Bug rtl-optimization/19464] [3.3/3.4/4.0 Regression] gcse causes poor register allocation

pinskia at gcc dot gnu dot org gcc-bugzilla@gcc.gnu.org
Sat Jan 15 21:04:00 GMT 2005


------- Additional Comments From pinskia at gcc dot gnu dot org  2005-01-15 21:04 -------
Confirmed, for 3.4 and 3.3, -fnew-ra fixes the problem so this is just the register allocator really being 
stupid.


With 4.0 and -fnew-ra, we just seg fault (I think this is why we should remove -fnew-ra on the mainline 
because it does not work on most programs at all).

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|                            |1
   Last reconfirmed|0000-00-00 00:00:00         |2005-01-15 21:04:44
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19464



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