Re: [RFC][PING^2] Do not consider volatile asms as optimization barriers #1

2014-05-13 Thread Jakub Jelinek
On Tue, May 13, 2014 at 07:34:51PM +0200, Eric Botcazou wrote: > > Even with official release you can apply a patch, that is not the point. > > The point is that many people expect the release branches (and IMHO rightly > > so) to be supposedly stable all the time, rather than being seriously > > u

Re: [RFC][PING^2] Do not consider volatile asms as optimization barriers #1

2014-05-13 Thread Eric Botcazou
> Even with official release you can apply a patch, that is not the point. > The point is that many people expect the release branches (and IMHO rightly > so) to be supposedly stable all the time, rather than being seriously > unstable most of the time and only converging to stability around the >

Re: [RFC][PING^2] Do not consider volatile asms as optimization barriers #1

2014-05-13 Thread Jakub Jelinek
On Tue, May 13, 2014 at 07:18:56PM +0200, Eric Botcazou wrote: > > The point of it is that the release branches are actually used by GCC users, > > many people don't use just official releases, but arbitrary snapshots from > > the release branches. If a potentially risky patch is applied immediate

Re: [RFC][PING^2] Do not consider volatile asms as optimization barriers #1

2014-05-13 Thread Eric Botcazou
> OK, thanks. Richard also gave an RM's OK on IRC so I've now applied it. Thanks! -- Eric Botcazou

Re: [RFC][PING^2] Do not consider volatile asms as optimization barriers #1

2014-05-13 Thread Eric Botcazou
> The point of it is that the release branches are actually used by GCC users, > many people don't use just official releases, but arbitrary snapshots from > the release branches. If a potentially risky patch is applied immediately > also to release branches and soon needs follow-ups (happened man

Re: [RFC][PING^2] Do not consider volatile asms as optimization barriers #1

2014-05-09 Thread Richard Sandiford
Eric Botcazou writes: >> Sure, that'd be fine by me. I'm not sure whether the backport has >> been approved yet though. > > At least it looks fine to me... OK, thanks. Richard also gave an RM's OK on IRC so I've now applied it. > [I still don't grasp this "wait-a-little-before-backporting" pol

Re: [RFC][PING^2] Do not consider volatile asms as optimization barriers #1

2014-05-09 Thread Jakub Jelinek
On Fri, May 09, 2014 at 10:16:14AM +0200, Eric Botcazou wrote: > > Sure, that'd be fine by me. I'm not sure whether the backport has > > been approved yet though. > > At least it looks fine to me... > > [I still don't grasp this "wait-a-little-before-backporting" policy, it > always > leads to

Re: [RFC][PING^2] Do not consider volatile asms as optimization barriers #1

2014-05-09 Thread Eric Botcazou
> Sure, that'd be fine by me. I'm not sure whether the backport has > been approved yet though. At least it looks fine to me... [I still don't grasp this "wait-a-little-before-backporting" policy, it always leads to forgotten patches that need to be applied just days ahead of releases instead

Re: [RFC][PING^2] Do not consider volatile asms as optimization barriers #1

2014-05-09 Thread Richard Sandiford
Eric Botcazou writes: >> It has been two weeks since Richard commited this to trunk. Perhaps it's >> ok to backport to 4.8 branch now? > > Richard, can you do that before the 4.8.3 release? Thanks in advance. Sure, that'd be fine by me. I'm not sure whether the backport has been approved yet th

Re: [RFC][PING^2] Do not consider volatile asms as optimization barriers #1

2014-05-08 Thread Eric Botcazou
> It has been two weeks since Richard commited this to trunk. Perhaps it's > ok to backport to 4.8 branch now? Richard, can you do that before the 4.8.3 release? Thanks in advance. -- Eric Botcazou

[RFC][PING^2] Do not consider volatile asms as optimization barriers #1

2014-04-17 Thread Yury Gribov
-- From: Yury Gribov Sent: Tuesday, March 25, 2014 11:57AM To: Jakub Jelinek , Eric Botcazou , gcc-patches@gcc.gnu.org, Hans-Peter Nilsson , rdsandif...@googlemail.com Subject: Re: [RFC] Do not consider volatile asms as optimization barriers #1 On