[Bug tree-optimization/93439] [9/10 Regression] ICE in gimple_duplicate_bb, at tree-cfg.c:6277

2020-01-28 Thread rguenther at suse dot de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93439 --- Comment #7 from rguenther at suse dot de --- On Tue, 28 Jan 2020, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93439 > > --- Comment #6 from Jakub Jelinek --- > (In reply to Richard Biener from comment

[Bug tree-optimization/93439] [9/10 Regression] ICE in gimple_duplicate_bb, at tree-cfg.c:6277

2020-01-28 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93439 --- Comment #6 from Jakub Jelinek --- (In reply to Richard Biener from comment #5) > OK, so the reason is that when we actually create the parallel decl > last_clique > is not yet up to its maximum since we later loop_version another loop in the

[Bug tree-optimization/93439] [9/10 Regression] ICE in gimple_duplicate_bb, at tree-cfg.c:6277

2020-01-28 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93439 --- Comment #5 from Richard Biener --- OK, so the reason is that when we actually create the parallel decl last_clique is not yet up to its maximum since we later loop_version another loop in the source function. The solution is to move the

[Bug tree-optimization/93439] [9/10 Regression] ICE in gimple_duplicate_bb, at tree-cfg.c:6277

2020-01-27 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93439 Richard Biener changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug tree-optimization/93439] [9/10 Regression] ICE in gimple_duplicate_bb, at tree-cfg.c:6277

2020-01-27 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93439 --- Comment #3 from Jakub Jelinek --- I'd say the bug is that we parallelize a loop (loop 7) which has two inner loops (loop 10 and loop 8) and then have some code to avoid trying to parallelize inner loops of the already parallelized loop, but

[Bug tree-optimization/93439] [9/10 Regression] ICE in gimple_duplicate_bb, at tree-cfg.c:6277

2020-01-27 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93439 Jakub Jelinek changed: What|Removed |Added Target Milestone|--- |8.4 --- Comment #2 from Jakub Jelinek

[Bug tree-optimization/93439] [9/10 Regression] ICE in gimple_duplicate_bb, at tree-cfg.c:6277

2020-01-27 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93439 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|