On Wed, May 6, 2020 at 7:12 AM Nathan Chancellor <natechancellor@xxxxxxxxx> wrote: > > - > > +#ifdef CONFIG_CC_IS_CLANG > > Given your comment in the bug: > > "The code is written to assume no loops are unrolled" > > Does it make sense to make this unconditional and take compiler > heuristics out of it? > > > +#pragma nounroll /* https://bugs.llvm.org/show_bug.cgi?id=45803 */ > > +#endif > > for (i = 0; i < 8; ++i) > > S->h[i] = S->h[i] ^ v[i] ^ v[i + 8]; No, that would not work, as gcc does not support this pragma. Arnd