[Bug tree-optimization/113261] missing vectorization for dot_prod chain.

2024-09-30 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113261 Andrew Pinski changed: What|Removed |Added Last reconfirmed||2024-10-01 Status|UNCONFIRM

[Bug tree-optimization/113261] missing vectorization for dot_prod chain.

2024-01-07 Thread liuhongt at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113261 --- Comment #1 from Hongtao Liu --- For foo1, _99 = .REDUC_PLUS (vect_patt_79.51_97); _90 = .REDUC_PLUS (vect_patt_28.43_88); _19 = _90 + _99; can be optimized to _tmp = vect_patt_79.51_97 + vect_patt_28.43_88; _19 = .REDUC_PLUS