On Wed, Jan 16, 2013 at 5:13 PM, Jan Hubicka wrote:
> Hi,
> this patch fixes ICE seen in PR51083 on PPC. Here the flags ^= 0x8000
> expression
> is translated as PLUS. This makes us to consider flags to be IV and work out
> that the
> loop do not really iterate. It is a missed optimizati
Hi,
this patch fixes ICE seen in PR51083 on PPC. Here the flags ^= 0x8000
expression
is translated as PLUS. This makes us to consider flags to be IV and work out
that the
loop do not really iterate. It is a missed optimization that we do not work
out this
on all targets and do not unloop