On Thu, 1 Aug 2019 at 09:08, Valdis Klētnieks <valdis.kletnieks@xxxxxx> wrote: > > On Thu, 01 Aug 2019 09:04:11 +0300, Ard Biesheuvel said: > > > The fact that crypto_aegis128_have_simd() does get optimized away, but > > crypto_aegis128_update_simd() doesn't (which is only called directly > > and not via a function pointer like the other two routines) makes me > > suspicious that this is some pathology in the compiler. Is this a > > distro build of gcc? Also, which architecture are you compiling for? > > It's the Fedora Rawhide build on x86_64. > > [/usr/src/linux-next] gcc --version > gcc (GCC) 9.1.1 20190605 (Red Hat 9.1.1-2) > Copyright (C) 2019 Free Software Foundation, Inc. > This is free software; see the source for copying conditions. There is NO > warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. > Strange. Does the following patch make any difference? https://lore.kernel.org/linux-crypto/20190729074434.21064-1-ard.biesheuvel@xxxxxxxxxx/
