[Bug tree-optimization/41498] New: ICE with graphite flags

[Bug tree-optimization/41498] New: ICE with graphite flags

[eres at il dot ibm dot com]

When running trunk -r 152114 on powerpc64 with these flags (which enable the
Graphite identity transformation) I get the following ICE on most of SPEC2006
benchmarks: (the following is take from 429.mcf)

/home/eres/mainline_45/build/bin/gcc -c -o pbeampp.o -DSPEC_CPU -DNDEBUG 
-DWANT_STDC_PROTO -m64 -O3 -mcpu=power6 -ffast-math -maltivec 
-fno-loop-parallelize-all -fgraphite -fno-loop-block -fno-loop-interchange
-fno-loop-strip-mine -fgraphite-identity -ftree-vectorize                
pbeampp.c
pbeampp.c: In function 'primal_bea_mpp':
pbeampp.c:119:8: internal compiler error: in sese_adjust_vphi, at sese.c:405
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
specmake: *** [pbeampp.o] Error 1


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           Summary: ICE with graphite flags
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: eres at il dot ibm dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41498

[Bug tree-optimization/41498] ICE with graphite flags on trunk

[rguenth at gcc dot gnu dot org]

------- Comment #1 from rguenth at gcc dot gnu dot org  2009-09-29 09:49 -------
Can you provide preprocessed source?


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rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |spop at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41498

[Bug tree-optimization/41498] ICE with graphite flags on trunk

[spop at gcc dot gnu dot org]

------- Comment #2 from spop at gcc dot gnu dot org  2009-10-22 18:59 -------
Works for me on amd64-linux and graphite branch.  See daily reports on
http://groups.google.com/group/gcc-graphite-test 

No testcase was provided anyways.

Sebastian


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spop at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |WORKSFORME


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41498

[Bug tree-optimization/41498] ICE with graphite flags on trunk

[eres at il dot ibm dot com]

------- Comment #3 from eres at il dot ibm dot com  2009-10-25 11:55 -------
(In reply to comment #2)
> Works for me on amd64-linux and graphite branch.  See daily reports on
> http://groups.google.com/group/gcc-graphite-test 
> No testcase was provided anyways.
> Sebastian

I just tried trunk -r153538 on powerpc64-suse-linux and it still fails with the
same error on SPEC2006/436.cactusADM.
I'll try to create a testcase.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41498

[Bug tree-optimization/41498] ICE with graphite flags on trunk

[eres at il dot ibm dot com]

[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
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------- Comment #4 from eres at il dot ibm dot com  2009-10-25 14:31 -------
Created an attachment (id=18890)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18890&action=view)
A testcase to reproduce the ICE

Here is the command line and the error message for the testcase attached (using
trunk -r153538 on ppc):
 /home/eres/mainline_45/build/bin/gfortran -c   -m64 -O3 -mcpu=power6
-ffast-math -maltivec  -fno-loop-parallelize-all -fgraphite -fno-loop-block
-fno-loop-interchange -fno-loop-strip-mine -fgraphite-identity -ftree-vectorize
                 test.f
test.f: In function âfoo_â:
test.f:1:0: internal compiler error: in sese_adjust_liveout_phis, at sese.c:496
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41498

[Bug tree-optimization/41498] ICE with graphite flags on trunk

[spop at gcc dot gnu dot org]

------- Comment #5 from spop at gcc dot gnu dot org  2009-10-25 15:31 -------
test.f works on amd64-linux on the graphite branch.
I am doing the merge of the graphite branch to trunk,
and this should be fixed then.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41498

[Bug tree-optimization/41498] ICE with graphite flags on trunk

[eres at il dot ibm dot com]

------- Comment #6 from eres at il dot ibm dot com  2009-12-01 13:45 -------
(In reply to comment #5)
> test.f works on amd64-linux on the graphite branch.
> I am doing the merge of the graphite branch to trunk,
> and this should be fixed then.

Running test.f using trunk -r154872 on powerpc64-suse-linux gives the
following:
(this message also appears when running SPEC2006 benchmarks)

/home/eres/mainline_45/build/bin/gfortran -c   -m64 -O3 -mcpu=power6 
-ffast-math -maltivec  -fno-loop-parallelize-all -fgraphite -fno-loop-block
-fno-loop-interchange -fno-loop-strip-mine -fgraphite-identity -ftree-vectorize
test.f
f951: sorry, unimplemented: Graphite loop optimizations cannot be used


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41498

[Bug tree-optimization/41498] ICE with graphite flags on trunk

[rguenth at gcc dot gnu dot org]

------- Comment #7 from rguenth at gcc dot gnu dot org  2009-12-01 14:09 -------
You seem to have outdated graphite build requirements so it wasn't compiled in.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41498