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[Bug middle-end/52621] ICE with -O3 -march=opteron in initialize_matrix_A, at tree-data-ref.c:1964
- From: "burnus at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 21 Mar 2012 13:29:44 +0000
- Subject: [Bug middle-end/52621] ICE with -O3 -march=opteron in initialize_matrix_A, at tree-data-ref.c:1964
- Auto-submitted: auto-generated
- References: <bug-52621-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52621
Tobias Burnus <burnus at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |ice-on-valid-code
Component|fortran |middle-end
Summary|ICE when compiling |ICE with -O3 -march=opteron
|Fortran77 code with |in initialize_matrix_A, at
|optimization |tree-data-ref.c:1964
Known to fail| |4.6.1, 4.8.0
--- Comment #5 from Tobias Burnus <burnus at gcc dot gnu.org> 2012-03-21 13:29:44 UTC ---
I can reproduce it on x86-64-gnu-linux with:
gfortran -march=opteron -O3 -w -c file.f
The crucial flag is the "opteron" - it works with "core2".