[Bug target/82271] [5/6/7 Regression] loop gets miscompiled on powerpc at -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82271 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/82271] [5/6/7 Regression] loop gets miscompiled on powerpc at -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82271 --- Comment #6 from Franz Sirl --- Actually this is likely triggered by undefined behaviour. The array m_pTemp is too small for nAccessSize=4096. Increasing the array size to 1024 elements makes the bug go away. If you agree, just close the bug

[Bug target/82271] [5/6/7 Regression] loop gets miscompiled on powerpc at -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82271 amker at gcc dot gnu.org changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |amker at gcc dot

[Bug target/82271] [5/6/7 Regression] loop gets miscompiled on powerpc at -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82271 Richard Biener changed: What|Removed |Added CC||amker at gcc dot gnu.org --- Comment

[Bug target/82271] [5/6/7 Regression] loop gets miscompiled on powerpc at -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82271 --- Comment #3 from Franz Sirl --- The bug was introduced with r195054: 2013-01-09 Jan Hubicka PR tree-optimiation/55875 * tree-ssa-loop-niter.c (number_of_iterations_cond): Add EVERY_ITERATION

[Bug target/82271] [5/6/7 Regression] loop gets miscompiled on powerpc at -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82271 Richard Biener changed: What|Removed |Added Known to work||8.0 Target Milestone|---