<div dir="ltr">On 31 October 2013 10:24, Frank Winter <span dir="ltr"><<a href="mailto:fwinter@jlab.org" target="_blank">fwinter@jlab.org</a>></span> wrote:<br><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<div>What does 'stepping through' the loop vectorizer mean? Using the
debugger and step through the program? Probably not. Is the way to
go, to alter the 'canVectorize' function print debug output to see
what's going on?<br></div></div></blockquote><div><br></div><div>Stepping through 'opt -O3' with a debugger, yes. The debug messages are enabled by using '-debug-only=loop-vectorizer', but they's only half the story.</div>
<div></div></div><br></div><div class="gmail_extra">cheers,</div><div class="gmail_extra">--renato</div></div>