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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/164039">164039</a></dd>
<dt>Author</dt> <dd>msaboff@apple.com</dd>
<dt>Date</dt> <dd>2014-02-13 10:45:09 -0800 (Thu, 13 Feb 2014)</dd>
</dl>
<h3>Log Message</h3>
<pre>CStack Branch: VM::currentReturnThunkPC appears to be unused and should be removed
https://bugs.webkit.org/show_bug.cgi?id=127205
Reviewed by Geoffrey Garen.
Removed ununsed references to VM::currentReturnThunkPC.
* jit/ThunkGenerators.cpp:
(JSC::arityFixup):
* runtime/VM.h:</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceJavaScriptCoreChangeLog">trunk/Source/JavaScriptCore/ChangeLog</a></li>
<li><a href="#trunkSourceJavaScriptCorejitThunkGeneratorscpp">trunk/Source/JavaScriptCore/jit/ThunkGenerators.cpp</a></li>
<li><a href="#trunkSourceJavaScriptCoreruntimeVMh">trunk/Source/JavaScriptCore/runtime/VM.h</a></li>
</ul>
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<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceJavaScriptCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/ChangeLog (164038 => 164039)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/ChangeLog 2014-02-13 18:39:13 UTC (rev 164038)
+++ trunk/Source/JavaScriptCore/ChangeLog 2014-02-13 18:45:09 UTC (rev 164039)
</span><span class="lines">@@ -1,3 +1,16 @@
</span><ins>+2014-02-13 Michael Saboff <msaboff@apple.com>
+
+ CStack Branch: VM::currentReturnThunkPC appears to be unused and should be removed
+ https://bugs.webkit.org/show_bug.cgi?id=127205
+
+ Reviewed by Geoffrey Garen.
+
+ Removed ununsed references to VM::currentReturnThunkPC.
+
+ * jit/ThunkGenerators.cpp:
+ (JSC::arityFixup):
+ * runtime/VM.h:
+
</ins><span class="cx"> 2014-02-13 Tamas Gergely <tgergely.u-szeged@partner.samsung.com>
</span><span class="cx">
</span><span class="cx"> Code cleanup: remove gcc<4.7 guards.
</span></span></pre></div>
<a id="trunkSourceJavaScriptCorejitThunkGeneratorscpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/jit/ThunkGenerators.cpp (164038 => 164039)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/jit/ThunkGenerators.cpp 2014-02-13 18:39:13 UTC (rev 164038)
+++ trunk/Source/JavaScriptCore/jit/ThunkGenerators.cpp 2014-02-13 18:45:09 UTC (rev 164039)
</span><span class="lines">@@ -428,7 +428,7 @@
</span><span class="cx"> JSInterfaceJIT jit(vm);
</span><span class="cx">
</span><span class="cx"> // We enter with fixup count, in aligned stack units, in regT0 and the return thunk in
</span><del>- // regT5. We use VM::currentReturnThunkPC instead of regT5 on X86-32.
</del><ins>+ // regT5.
</ins><span class="cx"> #if USE(JSVALUE64)
</span><span class="cx"> # if CPU(X86_64)
</span><span class="cx"> jit.pop(JSInterfaceJIT::regT4);
</span><span class="lines">@@ -514,13 +514,7 @@
</span><span class="cx"> jit.storePtr(GPRInfo::regT1, MacroAssembler::BaseIndex(JSInterfaceJIT::regT3, JSInterfaceJIT::regT0, JSInterfaceJIT::TimesEight));
</span><span class="cx">
</span><span class="cx"> // Install the new return PC.
</span><del>- // FIXME: I don't think currentReturnThunkPC is used and should be deleted.
-# if 0
- jit.loadPtr(&vm->currentReturnThunkPC, GPRInfo::regT2);
- jit.storePtr(GPRInfo::regT2, JSInterfaceJIT::Address(JSInterfaceJIT::callFrameRegister, CallFrame::returnPCOffset()));
-# else
</del><span class="cx"> jit.storePtr(GPRInfo::regT5, JSInterfaceJIT::Address(JSInterfaceJIT::callFrameRegister, CallFrame::returnPCOffset()));
</span><del>-# endif
</del><span class="cx">
</span><span class="cx"> # if CPU(X86)
</span><span class="cx"> jit.push(JSInterfaceJIT::regT4);
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreruntimeVMh"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/runtime/VM.h (164038 => 164039)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/runtime/VM.h 2014-02-13 18:39:13 UTC (rev 164038)
+++ trunk/Source/JavaScriptCore/runtime/VM.h 2014-02-13 18:45:09 UTC (rev 164039)
</span><span class="lines">@@ -342,9 +342,6 @@
</span><span class="cx"> NativeExecutable* getHostFunction(NativeFunction, Intrinsic);
</span><span class="cx">
</span><span class="cx"> std::unique_ptr<ArityCheckFailReturnThunks> arityCheckFailReturnThunks;
</span><del>-#if CPU(X86)
- void* currentReturnThunkPC;
-#endif // CPU(X86)
</del><span class="cx"> #endif // ENABLE(JIT)
</span><span class="cx"> std::unique_ptr<CommonSlowPaths::ArityCheckData> arityCheckData;
</span><span class="cx"> #if ENABLE(FTL_JIT)
</span></span></pre>
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