<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On 3 January 2013 21:53, Nadav Rotem <span dir="ltr"><<a href="mailto:nrotem@apple.com" target="_blank">nrotem@apple.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class="im">> I am asking this because I would like to have loop vectorization disabled for targets that don't support SIMD instructions (for example, standard mips32).<br>
> Loop vectorization bloats the code size and prolongs compilation time without any improvement to performance for such targets.<br>
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</div>Yes. Also, notice that the loop vectorizer tries to be more conservative when the 'optforsize' attribute is used.<br></blockquote><div><br></div><div style>Isn't the vectorizer disabled by default? Or are you requesting that if the user chooses -vectorize the compiler prints a warning (unused param since no SIMD)?</div>
<div style><br></div><div style>cheers,</div><div style>--renato</div></div></div></div>