[Bug tree-optimization/30565] ICE with -O1 -ftree-pre -ftree-loop-linear -funroll-loops

drab at kepler dot fjfi dot cvut dot cz gcc-bugzilla@gcc.gnu.org
Tue Jan 23 23:34:00 GMT 2007



------- 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



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