lebedev.ri added a comment. In D71499#1802134 <https://reviews.llvm.org/D71499#1802134>, @lebedev.ri wrote:
> For future reference, if anyone needs here's the C versions of these builtins: > https://godbolt.org/z/oHeAh- > > ^ looks like we are missing some backend-level folds for round-down variant, > filed https://bugs.llvm.org/show_bug.cgi?id=44448 Appled some backend codegen fixes (8dab0a4a7d691f2704f1079538e0ef29548db159 <https://reviews.llvm.org/rG8dab0a4a7d691f2704f1079538e0ef29548db159>, 3d492d7503d197246115eb38e7b1b61143d0c99f <https://reviews.llvm.org/rG3d492d7503d197246115eb38e7b1b61143d0c99f>, 0727e2b90c7b11d5c6be55919c443628d8e2bc6e <https://reviews.llvm.org/rG0727e2b90c7b11d5c6be55919c443628d8e2bc6e>), `__builtin_align_down()` codegen should now be as optimal as `__builtin_align_up()` is. (at least on X86) Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D71499/new/ https://reviews.llvm.org/D71499 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
