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commit b834f78a988135ed415bb84a9589d2f8557a3a6c
Author: liuhongt <hongtao....@intel.com>
Date: Tue Oct 15 14:30:28 2024 +0800
Mention O2 vectorization enhancement.
diff --git a/htdocs/gcc-15/changes.html b/htdocs/gcc-15/changes.html
index 6dc46a52..8a238256 100644
--- a/htdocs/gcc-15/changes.html
+++ b/htdocs/gcc-15/changes.html
@@ -36,6 +36,16 @@ a work-in-progress.</p>
<!-- .................................................................. -->
<h2 id="general">General Improvements</h2>
+<ul>
+ <li>The default vectorizer cost model at <code>-O2</code> has been enhanced
+ to handle unknown tripcount. But it still disables vectorization of loops
+ when any runtime check for data dependence or alignment is required,
+ it also disables vectorization of epilogue loops but otherwise is equal
+ to the cheap cost model.
+ </li>
+</ul>
+
+
<!-- .................................................................. -->
<h2 id="languages">New Languages and Language specific improvements</h2>
-----------------------------------------------------------------------
Summary of changes:
htdocs/gcc-15/changes.html | 10 ++++++++++
1 file changed, 10 insertions(+)
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