[Bug middle-end/26171] New: #pragma omp threadprivate requires -funit-at-at-time

[ebotcazou at gcc dot gnu dot org]

Try to compile libgomp/testsuite/libgomp.c/copyin-1.c at -O0:

eric@linux:~/build/gcc/native> gcc/xgcc -Bgcc -c copyin-1.c -I
~/build/gcc/native/x86_64-suse-linux/libgomp -fopenmp
/tmp/ccB3EieP.s: Assembler messages:
/tmp/ccB3EieP.s:278: Error: Accessing `thr' as thread-local object
/tmp/ccB3EieP.s:278: Error: Accessing `thr' as thread-local object
/tmp/ccB3EieP.s:278: Error: Accessing `thr' as thread-local object
/tmp/ccB3EieP.s:278: Error: Accessing `thr' as thread-local object
/tmp/ccB3EieP.s:278: Error: Accessing `thr' as thread-local object
/tmp/ccB3EieP.s:278: Error: Accessing `thr' as thread-local object

eric@linux:~/build/gcc/native> gcc/xgcc -Bgcc -c copyin-1.c -I
~/build/gcc/native/x86_64-suse-linux/libgomp -fopenmp -funit-at-a-time

eric@linux:~/build/gcc/native> gcc/xgcc -Bgcc -c copyin-1.c -I
~/build/gcc/native/x86_64-suse-linux/libgomp -fopenmp -O -fno-unit-at-a-time
/tmp/ccTYpCzg.s: Assembler messages:
/tmp/ccTYpCzg.s:220: Error: Accessing `thr' as thread-local object
/tmp/ccTYpCzg.s:220: Error: Accessing `thr' as thread-local object
/tmp/ccTYpCzg.s:220: Error: Accessing `thr' as thread-local object
/tmp/ccTYpCzg.s:220: Error: Accessing `thr' as thread-local object
/tmp/ccTYpCzg.s:220: Error: Accessing `thr' as thread-local object
/tmp/ccTYpCzg.s:220: Error: Accessing `thr' as thread-local object


-- 
           Summary: #pragma omp threadprivate requires -funit-at-at-time
           Product: gcc
           Version: 4.2.0
            Status: UNCONFIRMED
          Keywords: openmp
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: ebotcazou at gcc dot gnu dot org
 GCC build triplet: *-*-*
  GCC host triplet: *-*-*
GCC target triplet: *-*-*


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26171