Re: [Patch GCC/01]Bring back warning message on loop whose counter might overflow

2016-07-22 Thread Bin.Cheng
On Fri, Jul 22, 2016 at 12:39 PM, Richard Biener wrote: > On Thu, Jul 21, 2016 at 6:48 PM, Bin Cheng wrote: >> Hi, >> Previous patch removed warning message on loops whose counter might >> overflow, while this patch adds it back. Reason is it's always good to have >> a warning message indicati

Re: [Patch GCC/01]Bring back warning message on loop whose counter might overflow

2016-07-22 Thread Richard Biener
On Thu, Jul 21, 2016 at 6:48 PM, Bin Cheng wrote: > Hi, > Previous patch removed warning message on loops whose counter might overflow, > while this patch adds it back. Reason is it's always good to have a warning > message indicating missed loop optimizations. Also warning message itself is