[Bug tree-optimization/101750] [12 regression] g++.dg/vect/pr99149.cc fails on aarch64 since r12-2523

2021-08-04 Thread tnfchris at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101750 Tamar Christina changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug tree-optimization/101750] [12 regression] g++.dg/vect/pr99149.cc fails on aarch64 since r12-2523

2021-08-04 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101750 --- Comment #8 from CVS Commits --- The master branch has been updated by Tamar Christina : https://gcc.gnu.org/g:9fcb8ec60302f5f110f94a885b618993c28d18d3 commit r12-2734-g9fcb8ec60302f5f110f94a885b618993c28d18d3 Author: Tamar Christina Date:

[Bug tree-optimization/101750] [12 regression] g++.dg/vect/pr99149.cc fails on aarch64 since r12-2523

2021-08-04 Thread tnfchris at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101750 --- Comment #7 from Tamar Christina --- (In reply to rguent...@suse.de from comment #6) > On Wed, 4 Aug 2021, tnfchris at gcc dot gnu.org wrote: > > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101750 > > > > --- Comment #5 from Tamar Christ

[Bug tree-optimization/101750] [12 regression] g++.dg/vect/pr99149.cc fails on aarch64 since r12-2523

2021-08-04 Thread rguenther at suse dot de via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101750 --- Comment #6 from rguenther at suse dot de --- On Wed, 4 Aug 2021, tnfchris at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101750 > > --- Comment #5 from Tamar Christina --- > And yes the same semantics apply to 'i

[Bug tree-optimization/101750] [12 regression] g++.dg/vect/pr99149.cc fails on aarch64 since r12-2523

2021-08-04 Thread tnfchris at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101750 --- Comment #5 from Tamar Christina --- And yes the same semantics apply to 'i', but if I read it right the patch in r12-2523 is tracking variables that are read but never written to. So 'i' escaped the same issue because it's written to somewh

[Bug tree-optimization/101750] [12 regression] g++.dg/vect/pr99149.cc fails on aarch64 since r12-2523

2021-08-03 Thread tnfchris at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101750 --- Comment #4 from Tamar Christina --- (In reply to rguent...@suse.de from comment #3) > On Tue, 3 Aug 2021, tnfchris at gcc dot gnu.org wrote: > > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101750 > > > > --- Comment #2 from Tamar Christ

[Bug tree-optimization/101750] [12 regression] g++.dg/vect/pr99149.cc fails on aarch64 since r12-2523

2021-08-03 Thread rguenther at suse dot de via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101750 --- Comment #3 from rguenther at suse dot de --- On Tue, 3 Aug 2021, tnfchris at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101750 > > --- Comment #2 from Tamar Christina --- > (In reply to Richard Biener from comme

[Bug tree-optimization/101750] [12 regression] g++.dg/vect/pr99149.cc fails on aarch64 since r12-2523

2021-08-03 Thread tnfchris at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101750 --- Comment #2 from Tamar Christina --- (In reply to Richard Biener from comment #1) > On x86_64 the testcase is optimized to the following now: > not sure how we conclude that 'n' is not written to anywhere. The issue > persists even when I re

[Bug tree-optimization/101750] [12 regression] g++.dg/vect/pr99149.cc fails on aarch64 since r12-2523

2021-08-03 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101750 Richard Biener changed: What|Removed |Added Keywords||wrong-code Ever confirmed|0

[Bug tree-optimization/101750] [12 regression] g++.dg/vect/pr99149.cc fails on aarch64 since r12-2523

2021-08-03 Thread clyon at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101750 Christophe Lyon changed: What|Removed |Added Target Milestone|--- |12.0 Target|