Re: [PATCH] Straight line strength reduction, part 1

2012-03-21 Thread William J. Schmidt
On Wed, 2012-03-21 at 13:57 +, Richard Earnshaw wrote: > On 21/03/12 13:40, William J. Schmidt wrote: > > > > And it becomes even more difficult with more complex scenarios. > > Consider: > > > > a = x + (3 * s); > > b = x + (5 * s); > > c = x + (7 * s); > > > > The framework I've developed

Re: [PATCH] Straight line strength reduction, part 1

2012-03-21 Thread Richard Earnshaw
On 21/03/12 13:40, William J. Schmidt wrote: > On Wed, 2012-03-21 at 10:33 +0100, Richard Guenther wrote: >> On Mon, Mar 19, 2012 at 2:19 AM, Andrew Pinski wrote: >>> On Sun, Mar 18, 2012 at 6:12 PM, William J. Schmidt >>> wrote: Greetings, Now that we're into stage 1 again, I'd li

Re: [PATCH] Straight line strength reduction, part 1

2012-03-21 Thread Richard Guenther
On Wed, 21 Mar 2012, William J. Schmidt wrote: > On Wed, 2012-03-21 at 10:33 +0100, Richard Guenther wrote: > > On Mon, Mar 19, 2012 at 2:19 AM, Andrew Pinski wrote: > > > On Sun, Mar 18, 2012 at 6:12 PM, William J. Schmidt > > > wrote: > > >> Greetings, > > >> > > >> Now that we're into stage 1

Re: [PATCH] Straight line strength reduction, part 1

2012-03-21 Thread William J. Schmidt
On Wed, 2012-03-21 at 10:33 +0100, Richard Guenther wrote: > On Mon, Mar 19, 2012 at 2:19 AM, Andrew Pinski wrote: > > On Sun, Mar 18, 2012 at 6:12 PM, William J. Schmidt > > wrote: > >> Greetings, > >> > >> Now that we're into stage 1 again, I'd like to submit the first round of > >> changes for

Re: [PATCH] Straight line strength reduction, part 1

2012-03-21 Thread Richard Guenther
On Mon, Mar 19, 2012 at 2:19 AM, Andrew Pinski wrote: > On Sun, Mar 18, 2012 at 6:12 PM, William J. Schmidt > wrote: >> Greetings, >> >> Now that we're into stage 1 again, I'd like to submit the first round of >> changes for dominator-based strength reduction, which will address >> issues from PR

Re: [PATCH] Straight line strength reduction, part 1

2012-03-18 Thread William J. Schmidt
I knew I was forgetting something: bootstrapped and tested with no additional regressions on powerpc64-linux-gnu... On Sun, 2012-03-18 at 20:38 -0500, William J. Schmidt wrote: > On Sun, 2012-03-18 at 18:19 -0700, Andrew Pinski wrote: > > On Sun, Mar 18, 2012 at 6:12 PM, William J. Schmidt > > w

Re: [PATCH] Straight line strength reduction, part 1

2012-03-18 Thread William J. Schmidt
On Sun, 2012-03-18 at 18:19 -0700, Andrew Pinski wrote: > On Sun, Mar 18, 2012 at 6:12 PM, William J. Schmidt > wrote: > > Greetings, > > > > Now that we're into stage 1 again, I'd like to submit the first round of > > changes for dominator-based strength reduction, which will address > > issues f

Re: [PATCH] Straight line strength reduction, part 1

2012-03-18 Thread Andrew Pinski
On Sun, Mar 18, 2012 at 6:12 PM, William J. Schmidt wrote: > Greetings, > > Now that we're into stage 1 again, I'd like to submit the first round of > changes for dominator-based strength reduction, which will address > issues from PR22586, PR35308, PR46556, and perhaps others.  I'm > attaching tw