[Bug tree-optimization/52631] [4.6/4.7/4.8 Regression] VN does not use simplified expression for lookup

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52631 --- Comment #12 from Georg-Johann Lay 2013-03-04 11:12:42 UTC --- Author: gjl Date: Mon Mar 4 11:12:30 2013 New Revision: 196428 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=196428 Log: PR testsuite/52641 PR tree-op

[Bug tree-optimization/52631] [4.6/4.7/4.8 Regression] VN does not use simplified expression for lookup

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52631 Jeffrey A. Law changed: What|Removed |Added Status|ASSIGNED|RESOLVED CC|

[Bug tree-optimization/52631] [4.6/4.7/4.8 Regression] VN does not use simplified expression for lookup

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52631 --- Comment #10 from Jeffrey A. Law 2013-01-20 05:01:04 UTC --- Author: law Date: Sun Jan 20 05:00:56 2013 New Revision: 195318 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195318 Log: PR tree-optimization/52631

[Bug tree-optimization/52631] [4.6/4.7/4.8 Regression] VN does not use simplified expression for lookup

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52631 Jakub Jelinek changed: What|Removed |Added Target Milestone|4.7.2 |4.7.3 --- Comment #9 from Jakub

[Bug tree-optimization/52631] [4.6/4.7/4.8 Regression] VN does not use simplified expression for lookup

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52631 Richard Guenther changed: What|Removed |Added Target Milestone|4.7.1 |4.7.2 --- Comment #8 from Richard Guen

[Bug tree-optimization/52631] [4.6/4.7/4.8 Regression] VN does not use simplified expression for lookup

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52631 Richard Guenther changed: What|Removed |Added Priority|P3 |P2 Known to work|

[Bug tree-optimization/52631] [4.6/4.7/4.8 Regression] VN does not use simplified expression for lookup

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52631 --- Comment #6 from Andrew Pinski 2012-03-24 03:21:29 UTC --- Here is the simpler patch: Index: tree-ssa-sccvn.c === --- tree-ssa-sccvn.c(revision 185559) +++ tree-ssa-sccvn.c

[Bug tree-optimization/52631] [4.6/4.7/4.8 Regression] VN does not use simplified expression for lookup

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52631 --- Comment #5 from Andrew Pinski 2012-03-24 03:10:37 UTC --- Ok, I have a patch which only tries to looking up the simplified expression and then if we find it, use it, otherwise use the original expression. I now understand why this makes a di

[Bug tree-optimization/52631] [4.6/4.7/4.8 Regression] VN does not use simplified expression for lookup

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52631 --- Comment #4 from Andrew Pinski 2012-03-21 00:14:37 UTC --- (In reply to comment #3) > Hmm, but then you'd pessimize the case where b_2 & 1 were available? Thus, > don't you need to do the lookup with the original expression anyway if the > lo

[Bug tree-optimization/52631] [4.6/4.7/4.8 Regression] VN does not use simplified expression for lookup

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52631 --- Comment #3 from Richard Guenther 2012-03-20 11:13:57 UTC --- Hmm, but then you'd pessimize the case where b_2 & 1 were available? Thus, don't you need to do the lookup with the original expression anyway if the lookup for the simplified expr

[Bug tree-optimization/52631] [4.6/4.7/4.8 Regression] VN does not use simplified expression for lookup

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52631 --- Comment #2 from Andrew Pinski 2012-03-20 06:57:51 UTC --- Created attachment 26927 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26927 Patch which fixes the problem

[Bug tree-optimization/52631] [4.6/4.7/4.8 Regression] VN does not use simplified expression for lookup

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52631 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Keywords|