[Bug tree-optimization/81418] [8 Regression] ICE in vect_get_vec_def_for_stmt_copy

2017-07-18 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81418 --- Comment #5 from Richard Biener --- Author: rguenth Date: Tue Jul 18 07:26:04 2017 New Revision: 250296 URL: https://gcc.gnu.org/viewcvs?rev=250296=gcc=rev Log: 2017-06-18 Richard Biener PR

[Bug tree-optimization/81418] [8 Regression] ICE in vect_get_vec_def_for_stmt_copy

2017-07-18 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81418 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug tree-optimization/81418] [8 Regression] ICE in vect_get_vec_def_for_stmt_copy

2017-07-17 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81418 --- Comment #3 from Richard Biener --- Hrm. So whenever a reducing pattern is exercised in the reduction "chain" we cannot handle regular uses of the PHI as we basically have to force a single_defuse_cycle. So we can't vectorize this case but

[Bug tree-optimization/81418] [8 Regression] ICE in vect_get_vec_def_for_stmt_copy

2017-07-17 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81418 Richard Biener changed: What|Removed |Added Priority|P3 |P1 Status|NEW

[Bug tree-optimization/81418] [8 Regression] ICE in vect_get_vec_def_for_stmt_copy

2017-07-13 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81418 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|