echristo added a comment. In D83273#2194842 <https://reviews.llvm.org/D83273#2194842>, @nickdesaulniers wrote:
> In D83273#2194832 <https://reviews.llvm.org/D83273#2194832>, @craig.topper > wrote: > >> It's a pretty nasty revert in our downstream tree where we have prototyped >> future ISAs. So I'd like a little time to take a look. >> >> @nickdesaulniers what cpu and fetaures are on your command lines. >> getImpliedDisabledFeatures should only be called if some feature is >> explicitly being disabled. > > Likely, as the kernel is very explicit to disable the use of all FP > extensions, see > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/x86/Makefile#n57. > Maybe we could just set fewer flags, but there's still probably room for > improvement here, too. That said, it's a 10% compile time regression for compiling something like the linux kernel or anything that's very explicit what flags they set. Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D83273/new/ https://reviews.llvm.org/D83273 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits