dfukalov planned changes to this revision. dfukalov added a comment. In D82650#2116849 <https://reviews.llvm.org/D82650#2116849>, @yaxunl wrote:
> I think the point of -ffp-contract=fast is that it allows emitting fma across > statements if there are such opportunities whereas -ffp-contract=on only > allows fma in one statement > > https://llvm.org/docs/CompileCudaWithLLVM.html#flags-that-control-numerical-code Yes, you're right. I was confused by current FE behavior and a number of different commits, reverts and re-commits. Currently FE checks `allowFPContractWithinStatement()` and it returns false for FAST mode. As I understand, FAST mode should be more aggressive and include this case. I'll re-work the change. Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D82650/new/ https://reviews.llvm.org/D82650 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits