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[Bug middle-end/38520] [graphite] wrong code with -O3 -fgraphite-identity on polyhedron benchmarks
- From: "dominiq at lps dot ens dot fr" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 14 Dec 2008 17:32:52 -0000
- Subject: [Bug middle-end/38520] [graphite] wrong code with -O3 -fgraphite-identity on polyhedron benchmarks
- References: <bug-38520-12313@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from dominiq at lps dot ens dot fr 2008-12-14 17:32 -------
Compiling mdbx.f90 with "-m64 -O3 -fgraphite-identity -floop-block
-ftree-loop-linear -fno-strict-overflow" gives an ICE:
mdbx.f90: In function 'mstep':
mdbx.f90:822: internal compiler error: Bus error
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
The test compiles and gives a correct excutable if -m64 is removed.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38520