I found the the GsoC project and patch here (only 2007) http://code.google.com/soc/2007/gcc/appinfo.html?csaid=E0FEBB869A5F65A8
Is this patch only for propagating data dependency or does it include propagating alias info as well? Bingfeng > -----Original Message----- > From: Andrey Belevantsev > [mailto:[EMAIL PROTECTED] On Behalf Of Andrey Belevantsev > Sent: 09 November 2008 20:31 > To: Diego Novillo > Cc: Steven Bosscher; Bingfeng Mei; gcc@gcc.gnu.org; > [EMAIL PROTECTED]; Daniel Berlin > Subject: Re: Is there any plan for "data propagation from > Tree SSA to RTL" to be in GCC mainline? > > Diego Novillo wrote: > > On Sun, Nov 9, 2008 at 06:38, Steven Bosscher > <[EMAIL PROTECTED]> wrote: > > > >> Wasn't there a GSoC project for this last year? And this year? > >> > >> It'd be interesting to hear if anything came out of that... > > > > Nothing came of that, unfortunately. > There are two patches, actually. The patch of propagating data > dependences to RTL is ready and working, it wasn't (at that time) > committed just because it was initially completed during stage3. The > patch for propagating alias info wasn't finished within the scope of > this year's GSoC, unfortunately, and I take it more as my > fault than a > student's fault, as I failed to help him locally with > organizing his work. > > We are nevertheless trying to put some work into finishing > this patch. > As it is not completed yet, I don't have a subject to > discuss. I hope > that before the next stage1 we'll manage to finish the patches and to > unify them before submitting, as the mechanism they use for > mapping MEMs > to trees is the same. If we'd not finish the second patch, > we'll submit > the first one anyways. > > Sorry for not writing this earlier -- I've had a few busy > months (mostly > finishing and defending ph.d. thesis :) > > Andrey > >
