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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/162238">162238</a></dd>
<dt>Author</dt> <dd>akling@apple.com</dd>
<dt>Date</dt> <dd>2014-01-17 18:31:25 -0800 (Fri, 17 Jan 2014)</dd>
</dl>
<h3>Log Message</h3>
<pre>Micro-optimize RenderBoxModelObject::computedCSSPadding().
<https://webkit.org/b/127208>
Make computedCSSPadding() take the Length as a const reference
to avoid creating a temporary copy. This was showing up (0.2%)
on DoYouEvenBench.
Reviewed by Anders Carlsson.
* rendering/RenderBoxModelObject.h:
* rendering/RenderBoxModelObject.cpp:
(WebCore::RenderBoxModelObject::computedCSSPadding):</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderBoxModelObjectcpp">trunk/Source/WebCore/rendering/RenderBoxModelObject.cpp</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderBoxModelObjecth">trunk/Source/WebCore/rendering/RenderBoxModelObject.h</a></li>
</ul>
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<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (162237 => 162238)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog 2014-01-18 02:17:52 UTC (rev 162237)
+++ trunk/Source/WebCore/ChangeLog 2014-01-18 02:31:25 UTC (rev 162238)
</span><span class="lines">@@ -1,3 +1,18 @@
</span><ins>+2014-01-17 Andreas Kling <akling@apple.com>
+
+ Micro-optimize RenderBoxModelObject::computedCSSPadding().
+ <https://webkit.org/b/127208>
+
+ Make computedCSSPadding() take the Length as a const reference
+ to avoid creating a temporary copy. This was showing up (0.2%)
+ on DoYouEvenBench.
+
+ Reviewed by Anders Carlsson.
+
+ * rendering/RenderBoxModelObject.h:
+ * rendering/RenderBoxModelObject.cpp:
+ (WebCore::RenderBoxModelObject::computedCSSPadding):
+
</ins><span class="cx"> 2014-01-17 Anders Carlsson <andersca@apple.com>
</span><span class="cx">
</span><span class="cx"> Add a callOnMainThreadAndWait variant in SocketStreamHandle
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderBoxModelObjectcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderBoxModelObject.cpp (162237 => 162238)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderBoxModelObject.cpp 2014-01-18 02:17:52 UTC (rev 162237)
+++ trunk/Source/WebCore/rendering/RenderBoxModelObject.cpp 2014-01-18 02:31:25 UTC (rev 162238)
</span><span class="lines">@@ -484,7 +484,7 @@
</span><span class="cx"> return snapSizeToPixel(offsetHeight(), offsetTop());
</span><span class="cx"> }
</span><span class="cx">
</span><del>-LayoutUnit RenderBoxModelObject::computedCSSPadding(Length padding) const
</del><ins>+LayoutUnit RenderBoxModelObject::computedCSSPadding(const Length& padding) const
</ins><span class="cx"> {
</span><span class="cx"> LayoutUnit w = 0;
</span><span class="cx"> if (padding.isPercent())
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderBoxModelObjecth"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderBoxModelObject.h (162237 => 162238)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderBoxModelObject.h 2014-01-18 02:17:52 UTC (rev 162237)
+++ trunk/Source/WebCore/rendering/RenderBoxModelObject.h 2014-01-18 02:31:25 UTC (rev 162238)
</span><span class="lines">@@ -314,7 +314,7 @@
</span><span class="cx"> void moveChildrenTo(RenderBoxModelObject* toBoxModelObject, RenderObject* startChild, RenderObject* endChild, RenderObject* beforeChild, bool fullRemoveInsert = false);
</span><span class="cx">
</span><span class="cx"> private:
</span><del>- LayoutUnit computedCSSPadding(Length) const;
</del><ins>+ LayoutUnit computedCSSPadding(const Length&) const;
</ins><span class="cx">
</span><span class="cx"> virtual LayoutRect frameRectForStickyPositioning() const = 0;
</span><span class="cx">
</span></span></pre>
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