https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107413
--- Comment #13 from Rama Malladi <rvmallad at amazon dot com> --- (In reply to CVS Commits from comment #12) > The master branch has been updated by Wilco Dijkstra <wi...@gcc.gnu.org>: > > https://gcc.gnu.org/g:0c1b0a23f1fe7db6a2e391b7cb78cff900377772 > > commit r13-4291-g0c1b0a23f1fe7db6a2e391b7cb78cff900377772 > Author: Wilco Dijkstra <wilco.dijks...@arm.com> > Date: Wed Nov 23 17:27:19 2022 +0000 > > AArch64: Add fma_reassoc_width [PR107413] > > Add a reassocation width for FMA in per-CPU tuning structures. Keep > the existing setting of 1 for cores with 2 FMA pipes (this disables > reassociation), and use 4 for cores with 4 FMA pipes. This improves > SPECFP2017 on Neoverse V1 by ~1.5%. > > gcc/ > PR tree-optimization/107413 > * config/aarch64/aarch64.cc (struct tune_params): Add > fma_reassoc_width to all CPU tuning structures. > (aarch64_reassociation_width): Use fma_reassoc_width. > * config/aarch64/aarch64-protos.h (struct tune_params): Add > fma_reassoc_width. Thank you for this code change/ fix. I will attempt a run with this change.
