camel-cdr wrote: Reading https://www.spacemit.com/en/news/spacemit-makes-important-breakthroughs-in-risc-v-high-performance-cores/, it sounds like the X100 should enable some of the fusion tuning flags.
I'm not sure how `TuneDLenFactor2` is used by llvm, but it sounds like X100 is VLEN=256 and four issue DLEN=128. While the SiFive cores that currently define `TuneDLenFactor2` are single issue DLEN=VLEN/2. https://github.com/llvm/llvm-project/pull/173988 _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
