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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/164878">164878</a></dd>
<dt>Author</dt> <dd>fpizlo@apple.com</dd>
<dt>Date</dt> <dd>2014-02-28 12:40:55 -0800 (Fri, 28 Feb 2014)</dd>
</dl>
<h3>Log Message</h3>
<pre>FTL should be able to call sin/cos directly on platforms where the intrinsic is busted
https://bugs.webkit.org/show_bug.cgi?id=129503
Reviewed by Mark Lam.
* ftl/FTLIntrinsicRepository.h:
* ftl/FTLOutput.h:
(JSC::FTL::Output::doubleSin):
(JSC::FTL::Output::doubleCos):
(JSC::FTL::Output::intrinsicOrOperation):</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceJavaScriptCoreChangeLog">trunk/Source/JavaScriptCore/ChangeLog</a></li>
<li><a href="#trunkSourceJavaScriptCoreftlFTLIntrinsicRepositoryh">trunk/Source/JavaScriptCore/ftl/FTLIntrinsicRepository.h</a></li>
<li><a href="#trunkSourceJavaScriptCoreftlFTLOutputh">trunk/Source/JavaScriptCore/ftl/FTLOutput.h</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceJavaScriptCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/ChangeLog (164877 => 164878)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/ChangeLog 2014-02-28 19:32:11 UTC (rev 164877)
+++ trunk/Source/JavaScriptCore/ChangeLog 2014-02-28 20:40:55 UTC (rev 164878)
</span><span class="lines">@@ -1,3 +1,16 @@
</span><ins>+2014-02-28 Filip Pizlo <fpizlo@apple.com>
+
+ FTL should be able to call sin/cos directly on platforms where the intrinsic is busted
+ https://bugs.webkit.org/show_bug.cgi?id=129503
+
+ Reviewed by Mark Lam.
+
+ * ftl/FTLIntrinsicRepository.h:
+ * ftl/FTLOutput.h:
+ (JSC::FTL::Output::doubleSin):
+ (JSC::FTL::Output::doubleCos):
+ (JSC::FTL::Output::intrinsicOrOperation):
+
</ins><span class="cx"> 2014-02-28 Mark Hahnenberg <mhahnenberg@apple.com>
</span><span class="cx">
</span><span class="cx"> Fix !ENABLE(GGC) builds
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreftlFTLIntrinsicRepositoryh"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/ftl/FTLIntrinsicRepository.h (164877 => 164878)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/ftl/FTLIntrinsicRepository.h 2014-02-28 19:32:11 UTC (rev 164877)
+++ trunk/Source/JavaScriptCore/ftl/FTLIntrinsicRepository.h 2014-02-28 20:40:55 UTC (rev 164878)
</span><span class="lines">@@ -58,6 +58,7 @@
</span><span class="cx"> macro(C_JITOperation_EJssJss, functionType(intPtr, intPtr, intPtr, intPtr)) \
</span><span class="cx"> macro(C_JITOperation_EJssJssJss, functionType(intPtr, intPtr, intPtr, intPtr, intPtr)) \
</span><span class="cx"> macro(C_JITOperation_ESt, functionType(intPtr, intPtr, intPtr)) \
</span><ins>+ macro(D_JITOperation_D, functionType(doubleType, doubleType)) \
</ins><span class="cx"> macro(I_JITOperation_EJss, functionType(intPtr, intPtr, intPtr)) \
</span><span class="cx"> macro(J_JITOperation_E, functionType(int64, intPtr)) \
</span><span class="cx"> macro(J_JITOperation_EA, functionType(int64, intPtr, intPtr)) \
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreftlFTLOutputh"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/ftl/FTLOutput.h (164877 => 164878)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/ftl/FTLOutput.h 2014-02-28 19:32:11 UTC (rev 164877)
+++ trunk/Source/JavaScriptCore/ftl/FTLOutput.h 2014-02-28 20:40:55 UTC (rev 164878)
</span><span class="lines">@@ -167,14 +167,15 @@
</span><span class="cx"> {
</span><span class="cx"> return call(doubleAbsIntrinsic(), value);
</span><span class="cx"> }
</span><ins>+
</ins><span class="cx"> LValue doubleSin(LValue value)
</span><span class="cx"> {
</span><del>- return call(doubleSinIntrinsic(), value);
</del><ins>+ return call(intrinsicOrOperation(doubleSinIntrinsic(), sin), value);
+
</ins><span class="cx"> }
</span><del>-
</del><span class="cx"> LValue doubleCos(LValue value)
</span><span class="cx"> {
</span><del>- return call(doubleCosIntrinsic(), value);
</del><ins>+ return call(intrinsicOrOperation(doubleCosIntrinsic(), cos), value);
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> LValue doubleSqrt(LValue value)
</span><span class="lines">@@ -353,6 +354,21 @@
</span><span class="cx"> return intToPtr(constIntPtr(function), pointerType(operationType(function)));
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+ template<typename FunctionType>
+ LValue intrinsicOrOperation(LValue intrinsic, FunctionType function)
+ {
+ if (isX86())
+ return intrinsic;
+
+ // LLVM's behavior with respect to math intrinsics that lower to calls is pretty odd
+ // on hardware that requires real effort during relocation.
+ // https://bugs.webkit.org/show_bug.cgi?id=129495
+
+ // FIXME: At least mark these pure.
+ // https://bugs.webkit.org/show_bug.cgi?id=129494
+ return operation(function);
+ }
+
</ins><span class="cx"> void jump(LBasicBlock destination) { buildBr(m_builder, destination); }
</span><span class="cx"> void branch(LValue condition, LBasicBlock taken, Weight takenWeight, LBasicBlock notTaken, Weight notTakenWeight);
</span><span class="cx"> void branch(LValue condition, WeightedTarget taken, WeightedTarget notTaken)
</span></span></pre>
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