[Bug tree-optimization/58380] [4.9 Regression] ice in fold_comparison

2013-09-17 Thread law at redhat dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58380 Jeffrey A. Law changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug tree-optimization/58380] [4.9 Regression] ice in fold_comparison

2013-09-10 Thread law at redhat dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58380 --- Comment #11 from Jeffrey A. Law --- Fixed on trunk.

[Bug tree-optimization/58380] [4.9 Regression] ice in fold_comparison

2013-09-10 Thread law at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58380 --- Comment #10 from Jeffrey A. Law --- Author: law Date: Wed Sep 11 02:23:48 2013 New Revision: 202489 URL: http://gcc.gnu.org/viewcvs?rev=202489&root=gcc&view=rev Log: PR tree-optimization/58380 * tree-ssa-threadupdate.c (thread_block):

[Bug tree-optimization/58380] [4.9 Regression] ice in fold_comparison

2013-09-10 Thread law at redhat dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58380 --- Comment #8 from Jeffrey A. Law --- This looks like slightly different variant of 58343 where we thread through a loop header when we really didn't want to. I haven't tracked it through to the ICE, but from looking at the CFG and the registere

[Bug tree-optimization/58380] [4.9 Regression] ice in fold_comparison

2013-09-10 Thread dcb314 at hotmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58380 --- Comment #9 from David Binderman --- (In reply to Jeffrey A. Law from comment #7) > Presumably David bootstrapped the trunk, then built k3d? Yes, the bootstrap ran fine with the usual -g -O2 on BOOT_CFLAGS. > If this failure occurs in a sta

[Bug tree-optimization/58380] [4.9 Regression] ice in fold_comparison

2013-09-10 Thread law at redhat dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58380 --- Comment #7 from Jeffrey A. Law --- 202296 doesn't change anything WRT sequencing of operations; it merely allows the threader to dive a bit deeper into the CFG to determine a final target for a jump threading opportunity. Presumably David boo

[Bug tree-optimization/58380] [4.9 Regression] ice in fold_comparison

2013-09-10 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58380 --- Comment #6 from Richard Biener --- The symptom hints at a released SSA name being looked at. That happens if cfgcleanup looks at a dead code region (we especially run TODO_cleanup_cfg before TODO_update_ssa to allow passes to be forgiving wit

[Bug tree-optimization/58380] [4.9 Regression] ice in fold_comparison

2013-09-10 Thread markus at trippelsdorf dot de
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58380 Markus Trippelsdorf changed: What|Removed |Added CC||markus at trippelsdorf dot de --- C

[Bug tree-optimization/58380] [4.9 Regression] ice in fold_comparison

2013-09-10 Thread mpolacek at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58380 --- Comment #4 from Marek Polacek --- Thanks, the .ii file is huge and after an ~hour of reducing the creduce is still at original file...

[Bug tree-optimization/58380] [4.9 Regression] ice in fold_comparison

2013-09-10 Thread law at redhat dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58380 Jeffrey A. Law changed: What|Removed |Added CC||law at redhat dot com --- Comment #3 fro