[Bug tree-optimization/32100] [4.2/4.3 Regression] vrp bitfield miscompilation

pinskia at gcc dot gnu dot org gcc-bugzilla@gcc.gnu.org
Sat May 26 21:38:00 GMT 2007



------- Comment #2 from pinskia at gcc dot gnu dot org  2007-05-26 21:38 -------
D.1532_3 = D.1531_2 != 0;

Found new range for D.1532_3: [0, +INF]

So we have a "signed int:1" which we get the wrong range for.

Confirmed, looking more into it.


-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2007-05-26 21:38:00
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32100



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