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Document the -force-vector-width flag.
author
Nadav Rotem
<nrotem@apple.com>
Wed, 24 Oct 2012 20:47:55 +0000
(20:47 +0000)
committer
Nadav Rotem
<nrotem@apple.com>
Wed, 24 Oct 2012 20:47:55 +0000
(20:47 +0000)
llvm-svn: 166621
llvm/docs/ReleaseNotes.html
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Release Notes</a>.</h1>
<p> Loop Vectorizer - We've added a loop vectorizer and we are now able to
vectorize small loops. The loop vectorizer is disabled by default and
- can be enabled using the <b>-mllvm -vectorize</b> flag. <br/>
+ can be enabled using the <b>-mllvm -vectorize</b> flag.
+ The SIMD vector width can be specified using the flag
+ <b>-mllvm -force-vector-width=4</b>.
+ <br/>
We can now vectorize this code:
<pre class="doc_code">