Re: [PATCH] rs6000: Fix lost ud chains in swap optimization

2019-03-08 Thread Segher Boessenkool
Hi Bill, On Thu, Mar 07, 2019 at 06:33:48PM -0600, Bill Schmidt wrote: > We recently discovered a problem in swap optimization where the du- and > ud-chains > were getting corrupted after a preliminary modification phase and prior to the > main body of the pass. The fix for this is to rebuild th

Re: [PATCH] rs6000: Fix lost ud chains in swap optimization

2019-03-08 Thread Richard Biener
On Fri, Mar 8, 2019 at 1:35 PM Bill Schmidt wrote: > > On 3/8/19 4:40 AM, Richard Biener wrote: > > On Fri, Mar 8, 2019 at 1:34 AM Bill Schmidt wrote: > > Hi, > > We recently discovered a problem in swap optimization where the du- and > ud-chains > were getting corrupted after a preliminary modi

Re: [PATCH] rs6000: Fix lost ud chains in swap optimization

2019-03-08 Thread Bill Schmidt
On 3/8/19 4:40 AM, Richard Biener wrote: > On Fri, Mar 8, 2019 at 1:34 AM Bill Schmidt wrote: >> Hi, >> >> We recently discovered a problem in swap optimization where the du- and >> ud-chains >> were getting corrupted after a preliminary modification phase and prior to >> the >> main body of the

Re: [PATCH] rs6000: Fix lost ud chains in swap optimization

2019-03-08 Thread Richard Biener
On Fri, Mar 8, 2019 at 1:34 AM Bill Schmidt wrote: > > Hi, > > We recently discovered a problem in swap optimization where the du- and > ud-chains > were getting corrupted after a preliminary modification phase and prior to the > main body of the pass. The fix for this is to rebuild the chains b