<p><span class="h-card" translate="no"><a href="https://mastodon.gamedev.place/@rygorous" class="u-url mention">@<span>rygorous</span></a></span> <span class="h-card" translate="no"><a href="https://mastodon.social/@barrelshifter" class="u-url mention">@<span>barrelshifter</span></a></span> I think SimplifyDemandedBits was an area where GCC didn’t do much optimization at the time, so leaning heavily into it made LLVM look more compelling in microbenchmarks.</p>