<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Tue, Aug 19, 2014 at 10:37 PM, Chandler Carruth <span dir="ltr"><<a href="mailto:chandlerc@google.com" target="_blank">chandlerc@google.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_extra"><div class=""><br><div class="gmail_quote">On Tue, Aug 19, 2014 at 5:05 PM, Jim Grosbach <span dir="ltr"><<a href="mailto:grosbach@apple.com" target="_blank">grosbach@apple.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> Note that it’s not exactly equivalent to enabling -march=core-avx2. It’s really close, but not 100% the same.</blockquote>
</div><br></div>What is the difference? and why? It seems really confusing to have this divergence, or to be unable to replicate the *exact* behavior of this (very weird, and IMO *bad* triple) with the standard triple of 'x86_64-...' and an '-march' flag.</div>
</div></blockquote><div><br></div><div>It just seems like a reinvention of i386, i486, and iN86, probably for all of the same reasons. If you can encode all the important things in the triple, you can have different library directories for distributions, etc. <br>
</div></div></div></div>