| Message ID | 20140124211433.GY892@tucnak.redhat.com |
|---|---|
| State | New |
| Headers | show |
On 01/24/14 14:14, Jakub Jelinek wrote: > Hi! > > When a loop is duplicated, inlined etc. and we've already warned > about undefined behavior in it, it is undesirable to warn again. > > Bootstrapped/regtested on x86_64-linux and i686-linux, ok for trunk? > > 2014-01-22 Jakub Jelinek <jakub@redhat.com> > > PR middle-end/59561 > * cfgloopmanip.c (copy_loop_info): If > loop->warned_aggressive_loop_optimizations, make sure > the flag is set in target loop too. > > --- gcc/cfgloopmanip.c.jj 2014-01-03 11:40:33.000000000 +0100 > +++ gcc/cfgloopmanip.c 2014-01-22 10:21:54.057871045 +0100 > @@ -1022,6 +1022,8 @@ copy_loop_info (struct loop *loop, struc > target->any_estimate = loop->any_estimate; > target->nb_iterations_estimate = loop->nb_iterations_estimate; > target->estimate_state = loop->estimate_state; > + target->warned_aggressive_loop_optimizations > + |= loop->warned_aggressive_loop_optimizations; OK. jeff
--- gcc/cfgloopmanip.c.jj 2014-01-03 11:40:33.000000000 +0100 +++ gcc/cfgloopmanip.c 2014-01-22 10:21:54.057871045 +0100 @@ -1022,6 +1022,8 @@ copy_loop_info (struct loop *loop, struc target->any_estimate = loop->any_estimate; target->nb_iterations_estimate = loop->nb_iterations_estimate; target->estimate_state = loop->estimate_state; + target->warned_aggressive_loop_optimizations + |= loop->warned_aggressive_loop_optimizations; } /* Copies copy of LOOP as subloop of TARGET loop, placing newly