https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82187
Richard Biener changed:
What|Removed |Added
Last reconfirmed|2017-09-12 00:00:00 |2019-4-11
--- Comment #3 from Richard B
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82187
--- Comment #2 from Richard Biener ---
PRE thinks we are creating a loop-carried dependence that might prevent
vectorization (which is enabled at -O3) thus it doesn't perform the transform.
So it's a feature ...
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82187
Richard Biener changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|