[Bug tree-optimization/86702] [9 Regression] SPEC CPU2006 400.perlbench, CPU2017 500.perlbench_r ~3% performance drop after r262247

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86702

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2018-07-27
                 CC|                            |marxin at gcc dot gnu.org
             Blocks|                            |26163
           Assignee|unassigned at gcc dot gnu.org      |marxin at gcc dot 
gnu.org
            Summary|[8/9 Regression] SPEC       |[9 Regression] SPEC CPU2006
                   |CPU2006 400.perlbench,      |400.perlbench, CPU2017
                   |CPU2017 500.perlbench_r ~3% |500.perlbench_r ~3%
                   |performance drop after      |performance drop after
                   |r262247                     |r262247
     Ever confirmed|0                           |1

--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Thanks for the report, I'll take a look. If it's really caused by the revision,
then it's only 9 regression.


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=26163
[Bug 26163] [meta-bug] missed optimization in SPEC (2k17, 2k and 2k6 and 95)