[Bug middle-end/95622] [11 Regression] force_output flag on a variable prevents optimization / regresses c-c++-common/goacc/kernels-alias-ipa-pta{-2,-4,}.c

2021-03-26 Thread rguenther at suse dot de via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95622 --- Comment #9 from rguenther at suse dot de --- On Thu, 25 Mar 2021, burnus at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95622 > > --- Comment #8 from Tobias Burnus --- > I am not sure whether this is a sensible

[Bug middle-end/95622] [11 Regression] force_output flag on a variable prevents optimization / regresses c-c++-common/goacc/kernels-alias-ipa-pta{-2,-4,}.c

2021-03-25 Thread burnus at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95622 --- Comment #8 from Tobias Burnus --- I am not sure whether this is a sensible solution, but it fixes the issue for c-c++-common/goacc/kernels-alias-ipa-pta-2.c ... diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c index

[Bug middle-end/95622] [11 Regression] force_output flag on a variable prevents optimization / regresses c-c++-common/goacc/kernels-alias-ipa-pta{-2,-4,}.c

2021-01-14 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95622 Richard Biener changed: What|Removed |Added Priority|P3 |P2 Keywords|

[Bug middle-end/95622] [11 Regression] force_output flag on a variable prevents optimization / regresses c-c++-common/goacc/kernels-alias-ipa-pta{-2,-4,}.c

2020-07-15 Thread burnus at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95622 --- Comment #7 from Tobias Burnus --- (In reply to Richard Biener from comment #6) > not sure if fixed? Not fixed – only XFAILed. The issue is that optimizations are not done with "node->force_output". As in the example in comment 0: "a = 0;

[Bug middle-end/95622] [11 Regression] force_output flag on a variable prevents optimization / regresses c-c++-common/goacc/kernels-alias-ipa-pta{-2,-4,}.c

2020-07-15 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95622 Richard Biener changed: What|Removed |Added Version|10.0|11.0 Target Milestone|---

[Bug middle-end/95622] [11 Regression] force_output flag on a variable prevents optimization / regresses c-c++-common/goacc/kernels-alias-ipa-pta{-2,-4,}.c

2020-06-16 Thread cvs-commit at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95622 --- Comment #5 from CVS Commits --- The releases/gcc-10 branch has been updated by Tobias Burnus : https://gcc.gnu.org/g:7d249d84e4c1be7c6f857c3a9d7791623a0e9d00 commit r10-8309-g7d249d84e4c1be7c6f857c3a9d7791623a0e9d00 Author: Tobias Burnus

[Bug middle-end/95622] [11 Regression] force_output flag on a variable prevents optimization / regresses c-c++-common/goacc/kernels-alias-ipa-pta{-2,-4,}.c

2020-06-16 Thread cvs-commit at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95622 --- Comment #4 from CVS Commits --- The master branch has been updated by Tobias Burnus : https://gcc.gnu.org/g:e70fbee1a3dd9fdeb661366dbf3096d76c4e2d6e commit r11-1384-ge70fbee1a3dd9fdeb661366dbf3096d76c4e2d6e Author: Tobias Burnus Date:

[Bug middle-end/95622] [11 Regression] force_output flag on a variable prevents optimization / regresses c-c++-common/goacc/kernels-alias-ipa-pta{-2,-4,}.c

2020-06-12 Thread burnus at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95622 --- Comment #3 from Tobias Burnus --- I think there are three related issues here: (a) force_output = 1 prevents at least one optimization (b) If not using force_output = 1, we need to find another way to tell the compiler that the variable is

[Bug middle-end/95622] [11 Regression] force_output flag on a variable prevents optimization / regresses c-c++-common/goacc/kernels-alias-ipa-pta{-2,-4,}.c

2020-06-12 Thread tschwinge at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95622 Thomas Schwinge changed: What|Removed |Added Summary|force_output flag on a |[11 Regression]