https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113441
--- Comment #18 from Richard Biener <rguenth at gcc dot gnu.org> --- (In reply to Tamar Christina from comment #17) > Ok, bisected to > > g:2efe3a7de0107618397264017fb045f237764cc7 is the first bad commit > commit 2efe3a7de0107618397264017fb045f237764cc7 > Author: Hao Liu <h...@os.amperecomputing.com> > Date: Wed Dec 6 14:52:19 2023 +0800 > > tree-optimization/112774: extend the SCEV CHREC tree with a nonwrapping > flag > > Before this commit we were unable to analyse the stride of the access. > After this niters seems to estimate the loop trip count at 4 and after that > the logs diverge enormously. Hum, but that's backward and would match to what I said in comment#2 - we should get better code with that. Juzhe - when you revert the above ontop of trunk does the generated code look better for Risc-V?
