[Bug tree-optimization/96053] Miss optimization:Finding SLP sequences from reductions sometimes is better than finding from reduction chains

[zhoukaipeng3 at huawei dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96053

--- Comment #2 from Kaipeng Zhou <zhoukaipeng3 at huawei dot com> ---
For now, I will try to make a patch to give more control option like

#pragma GCC vect [no-]reduc-chain

to the user.

If there is any new progress or problem, I will update here.