dmgreen added a comment. We do not usually add front-end clang options for optimizations like this. Users are more likely to use them incorrectly, or just not know that they exist. The usual method would be to make a subtarget tuning feature that controls whether ldp are created, and enable it for -mcpu=ampere1.
Having an internal llvm option for it (-mllvm -aarch64-stp-policy=never) sounds fine, but should be considered an internal option. And adding a subtarget feature would make sense to have this be used from ampere1. If you get the option committed to GCC then it might be OK for clang too, but I would suggest splitting this into a patch for the backend part and another for the frontend option in either case. Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D159480/new/ https://reviews.llvm.org/D159480 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
