Compiling CP2K with -fprofile-generate causes the resulting executable to
segfault. In gdb there is some additional 'expression error' message for the
point of the segfault:
Program received signal SIGSEGV, Segmentation fault.
fftw3_create_plan_3d (plan=DWARF-2 expression error: DW_OP_reg operations must
be used either alone or in conjuction with DW_OP_piece.
) at /data03/vondele/cjm/cp2k/src/../src/lib/fftw3_lib.F:127
127 IF (aligned) THEN
(gdb) bt
#0 fftw3_create_plan_3d (plan=DWARF-2 expression error: DW_OP_reg operations
must be used either alone or in conjuction with DW_OP_piece.
) at /data03/vondele/cjm/cp2k/src/../src/lib/fftw3_lib.F:127
#1 0x000000000182d231 in fft_create_plan_3d (plan=DWARF-2 expression error:
DW_OP_reg operations must be used either alone or in conjuction with
DW_OP_piece.
It will be hard to get a run time testcase (except getting a full copy of
CP2K).
I'll attach the file where the segfault happens, and that can be compiled with:
gfortran -c -static -g -O2 -ffast-math -funroll-loops -ftree-vectorize
-march=native -ffree-form -fprofile-generate -D__FFTW3 fftw3_lib.F
--
Summary: compilation with -fprofile-generate causes code to
segfault.
Product: gcc
Version: 4.4.0
Status: UNCONFIRMED
Keywords: wrong-code
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: jv244 at cam dot ac dot uk
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39964
