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Dotan Shavit wrote:
<blockquote cite="mid:200912211641.18213.dotan@shavitos.com" type="cite">
<pre wrap="">On Monday 21 December 2009 14:00:39 Shachar Shemesh wrote:
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<pre wrap="">Where it gets worrying is when I try to cancel loop unrolling. I tried
"-fno-unroll-loops" and "-fno-peel-loops", to no effect. I even tried
messing with the --param option (max-unrolled-insns, max-unroll-times,
max-peel-times) to no noticeable effect
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<pre wrap=""><!---->max-completely-peeled-insns is your friend
This param's value is also the difference between -O3 and -O2 you were missing
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Out of curiosity, how do you know that? Did you grep the gcc sources?<br>
<br>
Shachar<br>
<br>
<pre class="moz-signature" cols="72">--
Shachar Shemesh
Lingnu Open Source Consulting Ltd.
<a class="moz-txt-link-freetext" href="http://www.lingnu.com">http://www.lingnu.com</a>
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