[Bug rtl-optimization/92283] [10 Regression] 454.calculix miscomparison since r276645 with -O2 -march=znver2

2019-11-13 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92283 Richard Biener changed: What|Removed |Added Keywords||ra Target|

[Bug rtl-optimization/92283] [10 Regression] 454.calculix miscomparison since r276645 with -O2 -march=znver2

2019-11-13 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92283 --- Comment #22 from Richard Biener --- For reference, the following assembler patch fixes the miscompare: --- results.s 2019-11-13 13:07:54.964478824 +0100 +++ results.s.ok2019-11-13 13:06:29.024055977 +0100 @@ -2266,11 +2266,12 @@

[Bug rtl-optimization/92283] [10 Regression] 454.calculix miscomparison since r276645 with -O2 -march=znver2

2019-11-27 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92283 --- Comment #23 from Richard Biener --- Vladimir, can you look into this LRA inheritance issue?

[Bug rtl-optimization/92283] [10 Regression] 454.calculix miscomparison since r276645 with -O2 -march=znver2

2019-11-27 Thread vmakarov at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92283 --- Comment #24 from Vladimir Makarov --- (In reply to Richard Biener from comment #23) > Vladimir, can you look into this LRA inheritance issue? Yes, I've started to work on this. I can not reproduce it on the current trunk. But yesterday, I'

[Bug rtl-optimization/92283] [10 Regression] 454.calculix miscomparison since r276645 with -O2 -march=znver2

2019-11-27 Thread rguenther at suse dot de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92283 --- Comment #25 from rguenther at suse dot de --- On November 27, 2019 2:36:38 PM GMT+01:00, "vmakarov at gcc dot gnu.org" wrote: >https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92283 > >--- Comment #24 from Vladimir Makarov --- >(In reply to Ric

[Bug rtl-optimization/92283] [10 Regression] 454.calculix miscomparison since r276645 with -O2 -march=znver2

2019-11-29 Thread vmakarov at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92283 --- Comment #26 from Vladimir Makarov --- I think I find the problem root. We have ** Local #2: ** Choosing alt 0 in insn 1804: (0) =v (1) %0 (2) vm (3) v {*fma_fmadd_df} Creating newreg=4707 from oldreg=1801,

[Bug rtl-optimization/92283] [10 Regression] 454.calculix miscomparison since r276645 with -O2 -march=znver2

2019-11-29 Thread vmakarov at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92283 --- Comment #27 from Vladimir Makarov --- Author: vmakarov Date: Fri Nov 29 22:04:21 2019 New Revision: 278865 URL: https://gcc.gnu.org/viewcvs?rev=278865&root=gcc&view=rev Log: 2019-11-29 Vladimir Makarov PR rtl-optimization/92283

[Bug rtl-optimization/92283] [10 Regression] 454.calculix miscomparison since r276645 with -O2 -march=znver2

2019-12-09 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92283 Richard Biener changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---