gcc-wwwdocs branch master updated. 2e760df142212a340c3954197606a6606da4ca65

gcc-wwwdocs branch master updated. 2e760df142212a340c3954197606a6606da4ca65

[hongtao Liu]

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- Log -----------------------------------------------------------------
commit 2e760df142212a340c3954197606a6606da4ca65
Author: liuhongt <hongtao.liu@intel.com>
Date:   Fri Oct 8 15:03:35 2021 +0800

    [GCC-12] Mention O2 vectorization enabling.

diff --git a/htdocs/gcc-12/changes.html b/htdocs/gcc-12/changes.html
index 22839f2d..f38fd2be 100644
--- a/htdocs/gcc-12/changes.html
+++ b/htdocs/gcc-12/changes.html
@@ -68,6 +68,14 @@ a work-in-progress.</p>
 <!-- .................................................................. -->
 <h2 id="general">General Improvements</h2>
 
+<ul>
+  <li>Vectorization is enabled at <code>-O2</code> which is now equivalent to the
+      original <code>-O2 -ftree-vectorize -fvect-cost-model=very-cheap</code>.
+      Note that default vectorizer cost model has been changed which used to behave
+      as <code>-fvect-cost-model=cheap</code> were specified.
+  </li>
+</ul>
+
 <!-- .................................................................. -->
 <h2 id="languages">New Languages and Language specific improvements</h2>
 

-----------------------------------------------------------------------

Summary of changes:
 htdocs/gcc-12/changes.html | 8 ++++++++
 1 file changed, 8 insertions(+)


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