[Bug tree-optimization/85721] bad codegen for looped copy of primitives at -O2 and -O3 (differently bad)

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85721

Andrew Pinski  changed:

   What|Removed |Added

   Severity|normal  |enhancement
   Last reconfirmed|2018-05-11 00:00:00 |2021-8-28

[Bug tree-optimization/85721] bad codegen for looped copy of primitives at -O2 and -O3 (differently bad)

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85721

Richard Biener  changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
   Last reconfirmed||2018-05-11
 CC||amker at gcc dot gnu.org
  Component|middle-end  |tree-optimization
 Ever confirmed|0   |1

--- Comment #5 from Richard Biener  ---
Indeed loop distribution doesn't consider to alias-version the loop this way
for pattern recognition.