[Bug middle-end/110972] 13% fatigue regression between g:bb3ceeb6520c13fc (2023-08-07 21:09) and g:d9dc70cc65becca9 (2023-08-08 13:30)

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110972

--- Comment #1 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
The following patches in the range looks like they may cause the difference

commit d9f3ea61fe36e2de3354b90b65ff8245099114c9
Author: Richard Biener <rguent...@suse.de>
Date:   Mon Aug 7 14:44:20 2023 +0200

    tree-optimization/49955 - BB reduction with odd number of lanes

commit 02a015fa320229a057ef721eaf663f3eb22a8ace
Author: Ju-Zhe Zhong <juzhe.zh...@rivai.ai>
Date:   Mon Aug 7 17:38:12 2023 +0800

    VECT: Support CALL vectorization for COND_LEN_*

commit 31ec413098bd334115aff73fc755e49afd3ac371
Author: Richard Biener <rguent...@suse.de>
Date:   Tue Aug 8 12:46:42 2023 +0200

    tree-optimization/110924 - fix vop liveness for noreturn const CFG parts