| Message ID | CAFc0fxwRLZTKCawviEz2tHxELRsJiKnTqZFW-PKeomLWE3B-xA@mail.gmail.com |
|---|---|
| State | New |
| Headers | show |
Ping ? Cheers, Felix On Thu, Jan 2, 2014 at 9:07 PM, Felix Yang <fei.yang0953@gmail.com> wrote: > Hello Vladimir, > This patch fixes a trivial bug of SMS: distance1_uses needs to be > initialized if newly allocated. > Since the original author of SMS is not active for a very long time, > it would be nice if you can apply it for me : ) > Thanks. > > Index: gcc/ChangeLog > =================================================================== > --- gcc/ChangeLog (revision 206279) > +++ gcc/ChangeLog (working copy) > @@ -1,3 +1,8 @@ > +2013-01-02 Felix Yang <fei.yang0953@gmail.com> > + > + * modulo-sched.c (schedule_reg_moves): Clear distance1_uses if it > + is newly allocated. > + > 2013-01-01 Jan-Benedict Glaw <jbglaw@lug-owl.de> > > * config/nios2/nios2.h (BITS_PER_UNIT): Don't define it. > Index: gcc/modulo-sched.c > =================================================================== > --- gcc/modulo-sched.c (revision 206279) > +++ gcc/modulo-sched.c (working copy) > @@ -766,6 +766,9 @@ schedule_reg_moves (partial_schedule_ptr ps) > > distance1_uses = distances[1] ? sbitmap_alloc (g->num_nodes) : NULL; > > + if (distance1_uses) > + bitmap_clear (distance1_uses); > + > /* Every use of the register defined by node may require a different > copy of this register, depending on the time the use is scheduled. > Record which uses require which move results. */ > > > Cheers, > Felix
Index: gcc/ChangeLog =================================================================== --- gcc/ChangeLog (revision 206279) +++ gcc/ChangeLog (working copy) @@ -1,3 +1,8 @@ +2013-01-02 Felix Yang <fei.yang0953@gmail.com> + + * modulo-sched.c (schedule_reg_moves): Clear distance1_uses if it + is newly allocated. + 2013-01-01 Jan-Benedict Glaw <jbglaw@lug-owl.de> * config/nios2/nios2.h (BITS_PER_UNIT): Don't define it. Index: gcc/modulo-sched.c =================================================================== --- gcc/modulo-sched.c (revision 206279) +++ gcc/modulo-sched.c (working copy) @@ -766,6 +766,9 @@ schedule_reg_moves (partial_schedule_ptr ps) distance1_uses = distances[1] ? sbitmap_alloc (g->num_nodes) : NULL; + if (distance1_uses) + bitmap_clear (distance1_uses); + /* Every use of the register defined by node may require a different copy of this register, depending on the time the use is scheduled. Record which uses require which move results. */