[Bug tree-optimization/118297] not vectorizing some code

2025-01-07 Thread tiborgyri at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118297 --- Comment #9 from Tibor Győri --- > We do apply SLP vectorization with -march=znver3 so I wonder > what you think we are missing (apart from the confusing -fopt-info-missed > messages)? I was not originally thinking GCC was missing anything h

[Bug tree-optimization/118297] not vectorizing some code

2025-01-07 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118297 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug tree-optimization/118297] not vectorizing some code

2025-01-07 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118297 --- Comment #7 from Richard Biener --- The messages unfortunately cobble up for the different variants of vectorization we try. The 'unsupported outerloop form' is when trying to vectorize the outer loop, for the inner loop the issue is similar