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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/192168">192168</a></dd>
<dt>Author</dt> <dd>msaboff@apple.com</dd>
<dt>Date</dt> <dd>2015-11-09 11:39:27 -0800 (Mon, 09 Nov 2015)</dd>
</dl>
<h3>Log Message</h3>
<pre>Need a function that will provide Nth argument register
https://bugs.webkit.org/show_bug.cgi?id=151041
Reviewed by Filip Pizlo.
For 64 bit platforms, return the Nth architected argument register, otherwise InvalidGPRReg.
* jit/GPRInfo.h:
(JSC::argumentRegisterFor): Added to return the Nth architected argument register if defined
for a platform or InvalidGPRReg if not.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceJavaScriptCoreChangeLog">trunk/Source/JavaScriptCore/ChangeLog</a></li>
<li><a href="#trunkSourceJavaScriptCorejitGPRInfoh">trunk/Source/JavaScriptCore/jit/GPRInfo.h</a></li>
</ul>
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<h3>Diff</h3>
<a id="trunkSourceJavaScriptCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/ChangeLog (192167 => 192168)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/ChangeLog 2015-11-09 19:17:55 UTC (rev 192167)
+++ trunk/Source/JavaScriptCore/ChangeLog 2015-11-09 19:39:27 UTC (rev 192168)
</span><span class="lines">@@ -1,3 +1,16 @@
</span><ins>+2015-11-09 Michael Saboff <msaboff@apple.com>
+
+ Need a function that will provide Nth argument register
+ https://bugs.webkit.org/show_bug.cgi?id=151041
+
+ Reviewed by Filip Pizlo.
+
+ For 64 bit platforms, return the Nth architected argument register, otherwise InvalidGPRReg.
+
+ * jit/GPRInfo.h:
+ (JSC::argumentRegisterFor): Added to return the Nth architected argument register if defined
+ for a platform or InvalidGPRReg if not.
+
</ins><span class="cx"> 2015-11-09 Csaba Osztrogonác <ossy@webkit.org>
</span><span class="cx">
</span><span class="cx"> [FTL] Fix the build with LLVM 3.7
</span></span></pre></div>
<a id="trunkSourceJavaScriptCorejitGPRInfoh"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/jit/GPRInfo.h (192167 => 192168)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/jit/GPRInfo.h 2015-11-09 19:17:55 UTC (rev 192167)
+++ trunk/Source/JavaScriptCore/jit/GPRInfo.h 2015-11-09 19:39:27 UTC (rev 192168)
</span><span class="lines">@@ -866,6 +866,20 @@
</span><span class="cx">
</span><span class="cx"> #endif // CPU(SH4)
</span><span class="cx">
</span><ins>+inline GPRReg argumentRegisterFor(unsigned argumentIndex)
+{
+#if USE(JSVALUE64)
+ if (argumentIndex >= NUMBER_OF_ARGUMENT_REGISTERS)
+ return InvalidGPRReg;
+
+ return GPRInfo::toArgumentRegister(argumentIndex);
+#else
+ UNUSED_PARAM(argumentIndex);
+
+ return InvalidGPRReg;
+#endif
+}
+
</ins><span class="cx"> // The baseline JIT uses "accumulator" style execution with regT0 (for 64-bit)
</span><span class="cx"> // and regT0 + regT1 (for 32-bit) serving as the accumulator register(s) for
</span><span class="cx"> // passing results of one opcode to the next. Hence:
</span></span></pre>
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