Re: [PATCH][RFC] Fix PR56113 more

2013-03-18 Thread Richard Biener
On Fri, 8 Feb 2013, Richard Biener wrote: > On Fri, 1 Feb 2013, Richard Biener wrote: > > > On Fri, 1 Feb 2013, Jakub Jelinek wrote: > > > > > On Fri, Feb 01, 2013 at 10:00:00AM +0100, Richard Biener wrote: > > > > > > > > This reduces compile-time of the testcase in PR56113 (with n = 4) >

Re: [PATCH][RFC] Fix PR56113 more

2013-02-08 Thread Jakub Jelinek
On Fri, Feb 08, 2013 at 08:56:42PM +0100, Steven Bosscher wrote: > On Fri, Feb 8, 2013 at 12:25 PM, Richard Biener wrote: > >> Steven - can you reproduce your failures (and on which target?) > > > > Ping. > > I had ASAN failures on ppc64 but I cannot reproduce them anymore. ASAN on ppc64 is stil

Re: [PATCH][RFC] Fix PR56113 more

2013-02-08 Thread Steven Bosscher
On Fri, Feb 8, 2013 at 12:25 PM, Richard Biener wrote: >> Steven - can you reproduce your failures (and on which target?) > > Ping. I had ASAN failures on ppc64 but I cannot reproduce them anymore. Ciao! Steven

Re: [PATCH][RFC] Fix PR56113 more

2013-02-08 Thread Richard Biener
On Fri, 1 Feb 2013, Richard Biener wrote: > On Fri, 1 Feb 2013, Jakub Jelinek wrote: > > > On Fri, Feb 01, 2013 at 10:00:00AM +0100, Richard Biener wrote: > > > > > > This reduces compile-time of the testcase in PR56113 (with n = 4) > > > from 575s to 353s. It does so by reducing the quadra

Re: [PATCH][RFC] Fix PR56113 more

2013-02-01 Thread Richard Biener
On Fri, 1 Feb 2013, Jakub Jelinek wrote: > On Fri, Feb 01, 2013 at 10:00:00AM +0100, Richard Biener wrote: > > > > This reduces compile-time of the testcase in PR56113 (with n = 4) > > from 575s to 353s. It does so by reducing the quadratic algorithm > > to impose an order on visiting domina

Re: [PATCH][RFC] Fix PR56113 more

2013-02-01 Thread Jakub Jelinek
On Fri, Feb 01, 2013 at 10:00:00AM +0100, Richard Biener wrote: > > This reduces compile-time of the testcase in PR56113 (with n = 4) > from 575s to 353s. It does so by reducing the quadratic algorithm > to impose an order on visiting dominator sons during a domwalk. > > Steven raises the is

[PATCH][RFC] Fix PR56113 more

2013-02-01 Thread Richard Biener
This reduces compile-time of the testcase in PR56113 (with n = 4) from 575s to 353s. It does so by reducing the quadratic algorithm to impose an order on visiting dominator sons during a domwalk. Steven raises the issue that there exist domwalk users that modify the CFG during the walk and t