Re: Improve jump threading #1 of N

2011-04-04 Thread H.J. Lu
On Mon, Mar 28, 2011 at 11:33 AM, Jeff Law wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > On 03/26/11 11:43, Richard Guenther wrote: >> >>> Looks good to me apart from not using gsi_start_nondebug_bb in >>> thread_around_empty_block. > Ah.  I wasn't aware of gsi_start_nondebug_bb.  I

Re: Improve jump threading #1 of N

2011-03-28 Thread Jeff Law
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 03/26/11 11:43, Richard Guenther wrote: > >> Looks good to me apart from not using gsi_start_nondebug_bb in >> thread_around_empty_block. Ah. I wasn't aware of gsi_start_nondebug_bb. I updated the patch to use it, ran another bootstrap and regres

Re: Improve jump threading #1 of N

2011-03-26 Thread Richard Guenther
On Fri, Mar 25, 2011 at 5:30 PM, Jeff Law wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > I've been doing some research into improving certain aspects of our > warnings, particularly removing false positives from the warnings which > require dataflow information.  I think it's reasona

Improve jump threading #1 of N

2011-03-25 Thread Jeff Law
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 I've been doing some research into improving certain aspects of our warnings, particularly removing false positives from the warnings which require dataflow information. I think it's reasonably well known that many of the false positives occur due to