[Bug tree-optimization/58417] Incorrect optimization in SCEV const-prop

2013-09-20 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58417 Bug 58417 depends on bug 58484, which changed state. Bug 58484 Summary: [4.9 Regression] ICE in chrec_fold_plus_1, at tree-chrec.c:272 building 416.gamess http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58484 What|Removed

[Bug tree-optimization/58417] Incorrect optimization in SCEV const-prop

2013-09-20 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58417 Bug 58417 depends on bug 58473, which changed state. Bug 58473 Summary: [4.9 regression] FAIL: ext/random/normal_mv_distribution/cons/default.cc (test for excess errors) http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58473 What|Remov

[Bug tree-optimization/58417] Incorrect optimization in SCEV const-prop

2013-09-18 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58417 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Known to work|

[Bug tree-optimization/58417] Incorrect optimization in SCEV const-prop

2013-09-18 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58417 --- Comment #7 from Richard Biener --- Author: rguenth Date: Wed Sep 18 12:31:45 2013 New Revision: 202700 URL: http://gcc.gnu.org/viewcvs?rev=202700&root=gcc&view=rev Log: 2013-09-18 Richard Biener PR tree-optimization/58417 * tree-c

[Bug tree-optimization/58417] Incorrect optimization in SCEV const-prop

2013-09-17 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58417 --- Comment #6 from Richard Biener --- So we want the evolution of sum_11 in the following loop (for a use on the exit edge): # i_18 = PHI # sum_19 = PHI # prevsum_21 = PHI foo (sum_19); _7 = i_18 + -1; _8 = (long long int) _7; _

[Bug tree-optimization/58417] Incorrect optimization in SCEV const-prop

2013-09-16 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58417 --- Comment #5 from Richard Biener --- But that eventually causes infinite recursions through instantiate_scev.

[Bug tree-optimization/58417] Incorrect optimization in SCEV const-prop

2013-09-16 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58417 Richard Biener changed: What|Removed |Added CC||sebpop at gmail dot com --- Comment #4 f

[Bug tree-optimization/58417] Incorrect optimization in SCEV const-prop

2013-09-16 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58417 Richard Biener changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned a

[Bug tree-optimization/58417] Incorrect optimization in SCEV const-prop

2013-09-16 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58417 Richard Biener changed: What|Removed |Added Keywords||wrong-code Summary|Incorrect

[Bug tree-optimization/58417] Incorrect optimization

2013-09-13 Thread glisse at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58417 Marc Glisse changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|