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[Bug tree-optimization/30565] ICE with -O1 -ftree-pre -ftree-loop-linear -funroll-loops
- From: "drab at kepler dot fjfi dot cvut dot cz" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 23 Jan 2007 23:34:36 -0000
- Subject: [Bug tree-optimization/30565] ICE with -O1 -ftree-pre -ftree-loop-linear -funroll-loops
- References: <bug-30565-8902@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #2 from drab at kepler dot fjfi dot cvut dot cz 2007-01-23 23:34 -------
(In reply to comment #0)
> --------------------------------
> gcc -O1 -ftree-pre -ftree-loop-linear -funroll-loops -c psycho_n1.c -o
> psycho_n1.o
> --------------------------------
...
> Removal of any of the optimizing flags makes it compile. Tested on i686.
Sorry, you can forget the -funroll-loops, that is not required there to produce
the ICE. So just this is enough:
--------------------------------
gcc -O1 -ftree-pre -ftree-loop-linear -c psycho_n1.c -o psycho_n1.o
--------------------------------
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30565