[Bug tree-optimization/17790] [4.0 Regression] Significant compile time increases for sixtrack with tree LICM and IV optimization

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-12-06 
00:02 -------
Hmm, I found another testcase where we are slow at LIM:
 loop invariant motion :   2.55 ( 5%) usr   0.40 ( 3%) sys   3.36 ( 4%) wall
This is PR8361.

Zdenek can you update your patch for the changes where V_MUST_DEF changes and 
see what the 
compile time improvements you get with the patch?

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           What    |Removed                     |Added
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OtherBugsDependingO|                            |8361
              nThis|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17790