| Submitter | Vladimir Makarov |
|---|---|
| Date | Oct. 20, 2010, 3:16 a.m. |
| Message ID | <4CBE5F03.4080801@redhat.com> |
| Download | mbox | patch |
| Permalink | /patch/68387/ |
| State | New |
| Headers | show |
Comments
On Wed, Oct 20, 2010 at 5:16 AM, Vladimir Makarov <vmakarov@redhat.com> wrote: > The following patch solves the problem. The details of the PR can be found > on > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42169 > > I checked that the patch fixes the problem on gcc4.5 (it is not reproducible > on the trunk any more). > > Is it OK to commit to gcc4.4, gcc4.5 branches and the trunk? Ok. Thanks, Richard. > 2010-10-19 Vladimir Makarov <vmakarov@redhat.com> > > PR fortran/42169 > * ira-emit.c (store_can_be_removed_p): Return false instead of > gcc_unreachable. > >
Patch
Index: ira-emit.c =================================================================== --- ira-emit.c (revision 165712) +++ ira-emit.c (working copy) @@ -367,7 +367,8 @@ store_can_be_removed_p (ira_allocno_t sr prohibit removal of the store in such complicated case. */ return false; } - gcc_unreachable (); + /* It is actually a loop entry -- do not remove the store. */ + return false; } /* Generate and attach moves to the edge E. This looks at the final
The following patch solves the problem. The details of the PR can be found on http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42169 I checked that the patch fixes the problem on gcc4.5 (it is not reproducible on the trunk any more). Is it OK to commit to gcc4.4, gcc4.5 branches and the trunk? 2010-10-19 Vladimir Makarov <vmakarov@redhat.com> PR fortran/42169 * ira-emit.c (store_can_be_removed_p): Return false instead of gcc_unreachable.