Re: [PATCH, rs6000] Process deferred rescans between mini-passes

2017-10-06 Thread Segher Boessenkool
Hi Bill, On Wed, Oct 04, 2017 at 04:44:59PM -0500, Bill Schmidt wrote: > The Power8 swap optimization pass contains a mini-pass to replace certain > patterns prior to swap optimization proper. In order for this not to > distort the dataflow information for swap optimization, we should process > a

[PATCH, rs6000] Process deferred rescans between mini-passes

2017-10-04 Thread Bill Schmidt
Hi, The Power8 swap optimization pass contains a mini-pass to replace certain patterns prior to swap optimization proper. In order for this not to distort the dataflow information for swap optimization, we should process all the deferred rescans between the two passes. Currently that is not done