http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50774
Bug #: 50774
Summary: Internal Compiler Error when march=bdver1
Classification: Unclassified
Product: gcc
Version: 4.6.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: ibeth...@epcc.ed.ac.uk
Created attachment 25539
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25539
Source file which triggers the ICE
In the attached simple code, compilation fails when using the -march=bdver1
flag:
ibethune@login3:~/gcc46_test> gfortran -c -O3 -ffast-math -g -march=bdver1
helium_interactions.f90
gfortran: internal compiler error: Segmentation fault (program f951)
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
Without the -march file compilation completes successfully.
Gfortran version infromation below:
ibethune@login3:~/gcc46_test> gfortran -v
Using built-in specs.
COLLECT_GCC=/opt/gcc/4.6.1/bin/../snos/bin/gfortran
COLLECT_LTO_WRAPPER=/opt/gcc/4.6.1/snos/libexec/gcc/x86_64-suse-linux/4.6.1/lto-wrapper
Target: x86_64-suse-linux
Configured with: ../xt-gcc-4.6.1/configure --prefix=/opt/gcc/4.6.1/snos
--disable-nls --libdir=/opt/gcc/4.6.1/snos/lib --enable-languages=c,c++,fortran
--with-gxx-include-dir=/opt/gcc/4.6.1/snos/include/g++
--with-slibdir=/opt/gcc/4.6.1/snos/lib --with-system-zlib --enable-shared
--enable-__cxa_atexit x86_64-suse-linux --with-mpc=/opt/gcc/mpc/0.8.1
--with-mpfr=/opt/gcc/mpfr/2.4.2 --with-gmp=/opt/gcc/gmp/4.3.2 --with-sysroot=
Thread model: posix
gcc version 4.6.1 20110627 (Cray Inc.) (GCC)
Cheers
- Iain
