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<div id="msg">
<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/209275">209275</a></dd>
<dt>Author</dt> <dd>keith_miller@apple.com</dd>
<dt>Date</dt> <dd>2016-12-02 14:59:20 -0800 (Fri, 02 Dec 2016)</dd>
</dl>

<h3>Log Message</h3>
<pre>Add Wasm floating point nearest and trunc
https://bugs.webkit.org/show_bug.cgi?id=165339

Reviewed by Filip Pizlo.

JSTests:

* wasm/function-tests/nearest.js: Added.
* wasm/function-tests/trunc.js: Added.

Source/JavaScriptCore:

This patch also allows any wasm primitive type to be passed as a
string.

* assembler/MacroAssemblerARM64.h:
(JSC::MacroAssemblerARM64::nearestIntDouble):
(JSC::MacroAssemblerARM64::nearestIntFloat):
(JSC::MacroAssemblerARM64::truncDouble):
(JSC::MacroAssemblerARM64::truncFloat):
* assembler/MacroAssemblerX86Common.h:
(JSC::MacroAssemblerX86Common::nearestIntDouble):
(JSC::MacroAssemblerX86Common::nearestIntFloat):
* jsc.cpp:
(box):
* wasm/WasmB3IRGenerator.cpp:
(JSC::Wasm::B3IRGenerator::addOp&lt;F64ConvertUI64&gt;):
(JSC::Wasm::B3IRGenerator::addOp&lt;OpType::F32ConvertUI64&gt;):
(JSC::Wasm::B3IRGenerator::addOp&lt;OpType::F64Nearest&gt;):
(JSC::Wasm::B3IRGenerator::addOp&lt;OpType::F32Nearest&gt;):
(JSC::Wasm::B3IRGenerator::addOp&lt;OpType::F64Trunc&gt;):
(JSC::Wasm::B3IRGenerator::addOp&lt;OpType::F32Trunc&gt;):
* wasm/WasmFunctionParser.h:
(JSC::Wasm::FunctionParser&lt;Context&gt;::parseExpression):</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkJSTestsChangeLog">trunk/JSTests/ChangeLog</a></li>
<li><a href="#trunkSourceJavaScriptCoreChangeLog">trunk/Source/JavaScriptCore/ChangeLog</a></li>
<li><a href="#trunkSourceJavaScriptCoreassemblerMacroAssemblerARM64h">trunk/Source/JavaScriptCore/assembler/MacroAssemblerARM64.h</a></li>
<li><a href="#trunkSourceJavaScriptCoreassemblerMacroAssemblerX86Commonh">trunk/Source/JavaScriptCore/assembler/MacroAssemblerX86Common.h</a></li>
<li><a href="#trunkSourceJavaScriptCorejsccpp">trunk/Source/JavaScriptCore/jsc.cpp</a></li>
<li><a href="#trunkSourceJavaScriptCorewasmWasmB3IRGeneratorcpp">trunk/Source/JavaScriptCore/wasm/WasmB3IRGenerator.cpp</a></li>
<li><a href="#trunkSourceJavaScriptCorewasmWasmFunctionParserh">trunk/Source/JavaScriptCore/wasm/WasmFunctionParser.h</a></li>
</ul>

<h3>Added Paths</h3>
<ul>
<li><a href="#trunkJSTestswasmfunctiontestsnearestjs">trunk/JSTests/wasm/function-tests/nearest.js</a></li>
<li><a href="#trunkJSTestswasmfunctionteststruncjs">trunk/JSTests/wasm/function-tests/trunc.js</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkJSTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/JSTests/ChangeLog (209274 => 209275)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/JSTests/ChangeLog        2016-12-02 22:53:19 UTC (rev 209274)
+++ trunk/JSTests/ChangeLog        2016-12-02 22:59:20 UTC (rev 209275)
</span><span class="lines">@@ -1,3 +1,13 @@
</span><ins>+2016-12-02  Keith Miller  &lt;keith_miller@apple.com&gt;
+
+        Add Wasm floating point nearest and trunc
+        https://bugs.webkit.org/show_bug.cgi?id=165339
+
+        Reviewed by Filip Pizlo.
+
+        * wasm/function-tests/nearest.js: Added.
+        * wasm/function-tests/trunc.js: Added.
+
</ins><span class="cx"> 2016-12-02  JF Bastien  &lt;jfbastien@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         WebAssembly: revert patch causing odd breakage
</span></span></pre></div>
<a id="trunkJSTestswasmfunctiontestsnearestjs"></a>
<div class="addfile"><h4>Added: trunk/JSTests/wasm/function-tests/nearest.js (0 => 209275)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/JSTests/wasm/function-tests/nearest.js                                (rev 0)
+++ trunk/JSTests/wasm/function-tests/nearest.js        2016-12-02 22:59:20 UTC (rev 209275)
</span><span class="lines">@@ -0,0 +1,60 @@
</span><ins>+import Builder from '../Builder.js'
+
+const b = new Builder();
+b.Type().End()
+    .Function().End()
+    .Code()
+    .Function({ params: [&quot;f32&quot;], ret: &quot;f32&quot; }, [])
+    .GetLocal(0)
+    .F32Nearest()
+    .End()
+
+    .Function({ params: [&quot;f64&quot;], ret: &quot;f64&quot; }, [])
+    .GetLocal(0)
+    .F64Nearest()
+    .End()
+
+const bin = b.WebAssembly()
+bin.trim();
+testWasmModuleFunctions(bin.get(), 2,
+                        [[{ type: &quot;f32&quot;, value: &quot;-0x0p+0&quot; }, [{ type: &quot;f32&quot;, value: &quot;-0x0p+0&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;0x0p+0&quot; }, [{ type: &quot;f32&quot;, value: &quot;0x0p+0&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;-0x0p+0&quot; }, [{ type: &quot;f32&quot;, value: &quot;-0x1p-149&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;0x0p+0&quot; }, [{ type: &quot;f32&quot;, value: &quot;0x1p-149&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;-0x0p+0&quot; }, [{ type: &quot;f32&quot;, value: &quot;-0x1p-126&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;0x0p+0&quot; }, [{ type: &quot;f32&quot;, value: &quot;0x1p-126&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;-0x0p+0&quot; }, [{ type: &quot;f32&quot;, value: &quot;-0x1p-1&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;0x0p+0&quot; }, [{ type: &quot;f32&quot;, value: &quot;0x1p-1&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;-0x1p+0&quot; }, [{ type: &quot;f32&quot;, value: &quot;-0x1p+0&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;0x1p+0&quot; }, [{ type: &quot;f32&quot;, value: &quot;0x1p+0&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;-0x1.8p+2&quot; }, [{ type: &quot;f32&quot;, value: &quot;-0x1.921fb6p+2&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;0x1.8p+2&quot; }, [{ type: &quot;f32&quot;, value: &quot;0x1.921fb6p+2&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;-0x1.fffffep+127&quot; }, [{ type: &quot;f32&quot;, value: &quot;-0x1.fffffep+127&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;0x1.fffffep+127&quot; }, [{ type: &quot;f32&quot;, value: &quot;0x1.fffffep+127&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;-infinity&quot; }, [{ type: &quot;f32&quot;, value: &quot;-infinity&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;infinity&quot; }, [{ type: &quot;f32&quot;, value: &quot;infinity&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;-nan&quot; }, [{ type: &quot;f32&quot;, value: &quot;-nan&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;nan&quot; }, [{ type: &quot;f32&quot;, value: &quot;nan&quot; }]],
+                        ],
+
+                        [[{ type: &quot;f64&quot;, value: &quot;-0x0p+0&quot; }, [{ type: &quot;f64&quot;, value: &quot;-0x0p+0&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;0x0p+0&quot; }, [{ type: &quot;f64&quot;, value: &quot;0x0p+0&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;-0x0p+0&quot; }, [{ type: &quot;f64&quot;, value: &quot;-0x0.0000000000001p-1022&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;0x0p+0&quot; }, [{ type: &quot;f64&quot;, value: &quot;0x0.0000000000001p-1022&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;-0x0p+0&quot; }, [{ type: &quot;f64&quot;, value: &quot;-0x1p-1022&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;0x0p+0&quot; }, [{ type: &quot;f64&quot;, value: &quot;0x1p-1022&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;-0x0p+0&quot; }, [{ type: &quot;f64&quot;, value: &quot;-0x1p-1&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;0x0p+0&quot; }, [{ type: &quot;f64&quot;, value: &quot;0x1p-1&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;-0x1p+0&quot; }, [{ type: &quot;f64&quot;, value: &quot;-0x1p+0&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;0x1p+0&quot; }, [{ type: &quot;f64&quot;, value: &quot;0x1p+0&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;-0x1.8p+2&quot; }, [{ type: &quot;f64&quot;, value: &quot;-0x1.921fb54442d18p+2&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;0x1.8p+2&quot; }, [{ type: &quot;f64&quot;, value: &quot;0x1.921fb54442d18p+2&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;-0x1.fffffffffffffp+1023&quot; }, [{ type: &quot;f64&quot;, value: &quot;-0x1.fffffffffffffp+1023&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;0x1.fffffffffffffp+1023&quot; }, [{ type: &quot;f64&quot;, value: &quot;0x1.fffffffffffffp+1023&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;-infinity&quot; }, [{ type: &quot;f64&quot;, value: &quot;-infinity&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;infinity&quot; }, [{ type: &quot;f64&quot;, value: &quot;infinity&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;-nan&quot; }, [{ type: &quot;f64&quot;, value: &quot;-nan&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;nan&quot; }, [{ type: &quot;f64&quot;, value: &quot;nan&quot; }]]
+                        ]
+
+                       );
</ins></span></pre></div>
<a id="trunkJSTestswasmfunctionteststruncjs"></a>
<div class="addfile"><h4>Added: trunk/JSTests/wasm/function-tests/trunc.js (0 => 209275)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/JSTests/wasm/function-tests/trunc.js                                (rev 0)
+++ trunk/JSTests/wasm/function-tests/trunc.js        2016-12-02 22:59:20 UTC (rev 209275)
</span><span class="lines">@@ -0,0 +1,59 @@
</span><ins>+import Builder from '../Builder.js'
+
+const b = new Builder();
+b.Type().End()
+    .Function().End()
+    .Code()
+    .Function({ params: [&quot;f32&quot;], ret: &quot;f32&quot; }, [])
+    .GetLocal(0)
+    .F32Trunc()
+    .End()
+
+    .Function({ params: [&quot;f64&quot;], ret: &quot;f64&quot; }, [])
+    .GetLocal(0)
+    .F64Trunc()
+    .End()
+
+const bin = b.WebAssembly()
+bin.trim();
+testWasmModuleFunctions(bin.get(), 2,
+                        [[{ type: &quot;f32&quot;, value: &quot;-0x0p+0&quot; }, [{ type: &quot;f32&quot;, value: &quot;-0x0p+0&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;0x0p+0&quot; }, [{ type: &quot;f32&quot;, value: &quot;0x0p+0&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;-0x0p+0&quot; }, [{ type: &quot;f32&quot;, value: &quot;-0x1p-149&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;0x0p+0&quot; }, [{ type: &quot;f32&quot;, value: &quot;0x1p-149&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;-0x0p+0&quot; }, [{ type: &quot;f32&quot;, value: &quot;-0x1p-126&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;0x0p+0&quot; }, [{ type: &quot;f32&quot;, value: &quot;0x1p-126&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;-0x0p+0&quot; }, [{ type: &quot;f32&quot;, value: &quot;-0x1p-1&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;0x0p+0&quot; }, [{ type: &quot;f32&quot;, value: &quot;0x1p-1&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;-0x1p+0&quot; }, [{ type: &quot;f32&quot;, value: &quot;-0x1p+0&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;0x1p+0&quot; }, [{ type: &quot;f32&quot;, value: &quot;0x1p+0&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;-0x1.8p+2&quot; }, [{ type: &quot;f32&quot;, value: &quot;-0x1.921fb6p+2&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;0x1.8p+2&quot; }, [{ type: &quot;f32&quot;, value: &quot;0x1.921fb6p+2&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;-0x1.fffffep+127&quot; }, [{ type: &quot;f32&quot;, value: &quot;-0x1.fffffep+127&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;0x1.fffffep+127&quot; }, [{ type: &quot;f32&quot;, value: &quot;0x1.fffffep+127&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;-infinity&quot; }, [{ type: &quot;f32&quot;, value: &quot;-infinity&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;infinity&quot; }, [{ type: &quot;f32&quot;, value: &quot;infinity&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;-nan&quot; }, [{ type: &quot;f32&quot;, value: &quot;-nan&quot; }]],
+                         [{ type: &quot;f32&quot;, value: &quot;nan&quot; }, [{ type: &quot;f32&quot;, value: &quot;nan&quot; }]]
+                        ],
+
+                        [[{ type: &quot;f64&quot;, value: &quot;-0x0p+0&quot; }, [{ type: &quot;f64&quot;, value: &quot;-0x0p+0&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;0x0p+0&quot; }, [{ type: &quot;f64&quot;, value: &quot;0x0p+0&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;-0x0p+0&quot; }, [{ type: &quot;f64&quot;, value: &quot;-0x0.0000000000001p-1022&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;0x0p+0&quot; }, [{ type: &quot;f64&quot;, value: &quot;0x0.0000000000001p-1022&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;-0x0p+0&quot; }, [{ type: &quot;f64&quot;, value: &quot;-0x1p-1022&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;0x0p+0&quot; }, [{ type: &quot;f64&quot;, value: &quot;0x1p-1022&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;-0x0p+0&quot; }, [{ type: &quot;f64&quot;, value: &quot;-0x1p-1&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;0x0p+0&quot; }, [{ type: &quot;f64&quot;, value: &quot;0x1p-1&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;-0x1p+0&quot; }, [{ type: &quot;f64&quot;, value: &quot;-0x1p+0&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;0x1p+0&quot; }, [{ type: &quot;f64&quot;, value: &quot;0x1p+0&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;-0x1.8p+2&quot; }, [{ type: &quot;f64&quot;, value: &quot;-0x1.921fb54442d18p+2&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;0x1.8p+2&quot; }, [{ type: &quot;f64&quot;, value: &quot;0x1.921fb54442d18p+2&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;-0x1.fffffffffffffp+1023&quot; }, [{ type: &quot;f64&quot;, value: &quot;-0x1.fffffffffffffp+1023&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;0x1.fffffffffffffp+1023&quot; }, [{ type: &quot;f64&quot;, value: &quot;0x1.fffffffffffffp+1023&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;-infinity&quot; }, [{ type: &quot;f64&quot;, value: &quot;-infinity&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;infinity&quot; }, [{ type: &quot;f64&quot;, value: &quot;infinity&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;-nan&quot; }, [{ type: &quot;f64&quot;, value: &quot;-nan&quot; }]],
+                         [{ type: &quot;f64&quot;, value: &quot;nan&quot; }, [{ type: &quot;f64&quot;, value: &quot;nan&quot; }]]
+                        ]
+                       );
</ins></span></pre></div>
<a id="trunkSourceJavaScriptCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/ChangeLog (209274 => 209275)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/ChangeLog        2016-12-02 22:53:19 UTC (rev 209274)
+++ trunk/Source/JavaScriptCore/ChangeLog        2016-12-02 22:59:20 UTC (rev 209275)
</span><span class="lines">@@ -1,3 +1,33 @@
</span><ins>+2016-12-02  Keith Miller  &lt;keith_miller@apple.com&gt;
+
+        Add Wasm floating point nearest and trunc
+        https://bugs.webkit.org/show_bug.cgi?id=165339
+
+        Reviewed by Filip Pizlo.
+
+        This patch also allows any wasm primitive type to be passed as a
+        string.
+
+        * assembler/MacroAssemblerARM64.h:
+        (JSC::MacroAssemblerARM64::nearestIntDouble):
+        (JSC::MacroAssemblerARM64::nearestIntFloat):
+        (JSC::MacroAssemblerARM64::truncDouble):
+        (JSC::MacroAssemblerARM64::truncFloat):
+        * assembler/MacroAssemblerX86Common.h:
+        (JSC::MacroAssemblerX86Common::nearestIntDouble):
+        (JSC::MacroAssemblerX86Common::nearestIntFloat):
+        * jsc.cpp:
+        (box):
+        * wasm/WasmB3IRGenerator.cpp:
+        (JSC::Wasm::B3IRGenerator::addOp&lt;F64ConvertUI64&gt;):
+        (JSC::Wasm::B3IRGenerator::addOp&lt;OpType::F32ConvertUI64&gt;):
+        (JSC::Wasm::B3IRGenerator::addOp&lt;OpType::F64Nearest&gt;):
+        (JSC::Wasm::B3IRGenerator::addOp&lt;OpType::F32Nearest&gt;):
+        (JSC::Wasm::B3IRGenerator::addOp&lt;OpType::F64Trunc&gt;):
+        (JSC::Wasm::B3IRGenerator::addOp&lt;OpType::F32Trunc&gt;):
+        * wasm/WasmFunctionParser.h:
+        (JSC::Wasm::FunctionParser&lt;Context&gt;::parseExpression):
+
</ins><span class="cx"> 2016-12-02  JF Bastien  &lt;jfbastien@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         WebAssembly: revert patch causing odd breakage
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreassemblerMacroAssemblerARM64h"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/assembler/MacroAssemblerARM64.h (209274 => 209275)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/assembler/MacroAssemblerARM64.h        2016-12-02 22:53:19 UTC (rev 209274)
+++ trunk/Source/JavaScriptCore/assembler/MacroAssemblerARM64.h        2016-12-02 22:59:20 UTC (rev 209275)
</span><span class="lines">@@ -1540,6 +1540,16 @@
</span><span class="cx">         m_assembler.fadd&lt;32&gt;(dest, op1, op2);
</span><span class="cx">     }
</span><span class="cx"> 
</span><ins>+    void nearestIntDouble(FPRegisterID src, FPRegisterID dest)
+    {
+        m_assembler.frinta&lt;64&gt;(dest, src);
+    }
+
+    void nearestIntFloat(FPRegisterID src, FPRegisterID dest)
+    {
+        m_assembler.frinta&lt;32&gt;(dest, src);
+    }
+
</ins><span class="cx">     void ceilDouble(FPRegisterID src, FPRegisterID dest)
</span><span class="cx">     {
</span><span class="cx">         m_assembler.frintp&lt;64&gt;(dest, src);
</span><span class="lines">@@ -1693,6 +1703,16 @@
</span><span class="cx">         m_assembler.ucvtf&lt;32, 64&gt;(dest, src);
</span><span class="cx">     }
</span><span class="cx"> 
</span><ins>+    void truncDouble(FPRegisterID src, FPRegisterID dest)
+    {
+        m_assembler.frintz&lt;64, 64&gt;(dest, src);
+    }
+
+    void truncFloat(FPRegisterID src, FPRegisterID dest)
+    {
+        m_assembler.frintz&lt;32, 32&gt;(dest, src);
+    }
+
</ins><span class="cx">     void divDouble(FPRegisterID src, FPRegisterID dest)
</span><span class="cx">     {
</span><span class="cx">         divDouble(dest, src, dest);
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreassemblerMacroAssemblerX86Commonh"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/assembler/MacroAssemblerX86Common.h (209274 => 209275)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/assembler/MacroAssemblerX86Common.h        2016-12-02 22:53:19 UTC (rev 209274)
+++ trunk/Source/JavaScriptCore/assembler/MacroAssemblerX86Common.h        2016-12-02 22:59:20 UTC (rev 209275)
</span><span class="lines">@@ -757,6 +757,16 @@
</span><span class="cx">         m_assembler.xorpd_rr(src, dst);
</span><span class="cx">     }
</span><span class="cx"> 
</span><ins>+    void nearestIntDouble(FPRegisterID src, FPRegisterID dst)
+    {
+        m_assembler.roundsd_rr(src, dst, X86Assembler::RoundingType::ToNearestWithTiesToEven);
+    }
+
+    void nearestIntFloat(FPRegisterID src, FPRegisterID dst)
+    {
+        m_assembler.roundss_rr(src, dst, X86Assembler::RoundingType::ToNearestWithTiesToEven);
+    }
+
</ins><span class="cx">     void ceilDouble(FPRegisterID src, FPRegisterID dst)
</span><span class="cx">     {
</span><span class="cx">         m_assembler.roundsd_rr(src, dst, X86Assembler::RoundingType::TowardInfiniti);
</span></span></pre></div>
<a id="trunkSourceJavaScriptCorejsccpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/jsc.cpp (209274 => 209275)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/jsc.cpp        2016-12-02 22:53:19 UTC (rev 209274)
+++ trunk/Source/JavaScriptCore/jsc.cpp        2016-12-02 22:59:20 UTC (rev 209275)
</span><span class="lines">@@ -2510,33 +2510,60 @@
</span><span class="cx"> 
</span><span class="cx"> static JSValue box(ExecState* exec, VM&amp; vm, JSValue wasmValue)
</span><span class="cx"> {
</span><ins>+
</ins><span class="cx">     JSString* type = jsCast&lt;JSString*&gt;(wasmValue.get(exec, makeIdentifier(vm, &quot;type&quot;)));
</span><span class="cx">     JSValue value = wasmValue.get(exec, makeIdentifier(vm, &quot;value&quot;));
</span><span class="cx"> 
</span><del>-    const String&amp; typeString = type-&gt;value(exec);
-    if (typeString == &quot;i64&quot;) {
-        int64_t result;
</del><ins>+    auto unboxString = [&amp;] (const char* hexFormat, const char* decFormat, auto&amp; result) {
+        if (!value.isString())
+            return false;
+
</ins><span class="cx">         const char* str = toCString(jsCast&lt;JSString*&gt;(value)-&gt;value(exec)).data();
</span><span class="cx">         int scanResult;
</span><del>-        if (std::strlen(str) &gt; 2 &amp;&amp; str[0] == '0' &amp;&amp; str[1] == 'x')
-            scanResult = sscanf(str, &quot;%llx&quot;, &amp;result);
</del><ins>+        int length = std::strlen(str);
+        if ((length &gt; 2 &amp;&amp; (str[0] == '0' &amp;&amp; str[1] == 'x'))
+            || (length &gt; 3 &amp;&amp; (str[0] == '-' &amp;&amp; str[1] == '0' &amp;&amp; str[2] == 'x')))
+#if COMPILER(CLANG)
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored &quot;-Wformat-nonliteral&quot;
+#endif
+            scanResult = sscanf(str, hexFormat, &amp;result);
</ins><span class="cx">         else
</span><del>-            scanResult = sscanf(str, &quot;%lld&quot;, &amp;result);
</del><ins>+            scanResult = sscanf(str, decFormat, &amp;result);
+#if COMPILER(CLANG)
+#pragma clang diagnostic pop
+#endif
</ins><span class="cx">         RELEASE_ASSERT(scanResult != EOF);
</span><ins>+        return true;
+    };
+
+    const String&amp; typeString = type-&gt;value(exec);
+    if (typeString == &quot;i64&quot;) {
+        int64_t result;
+        if (!unboxString(&quot;%llx&quot;, &quot;%lld&quot;, result))
+            CRASH();
</ins><span class="cx">         return JSValue::decode(result);
</span><span class="cx">     }
</span><del>-    RELEASE_ASSERT(value.isNumber());
</del><span class="cx"> 
</span><span class="cx">     if (typeString == &quot;i32&quot;) {
</span><del>-        RELEASE_ASSERT(value.isInt32());
-        return JSValue::decode(static_cast&lt;uint32_t&gt;(value.asInt32()));
</del><ins>+        int32_t result;
+        if (!unboxString(&quot;%x&quot;, &quot;%d&quot;, result))
+            result = value.asInt32();
+        return JSValue::decode(static_cast&lt;uint32_t&gt;(result));
</ins><span class="cx">     }
</span><span class="cx"> 
</span><del>-    if (typeString == &quot;f32&quot;)
-        return JSValue::decode(bitwise_cast&lt;uint32_t&gt;(value.toFloat(exec)));
</del><ins>+    if (typeString == &quot;f32&quot;) {
+        float result;
+        if (!unboxString(&quot;%a&quot;, &quot;%f&quot;, result))
+            result = value.toFloat(exec);
+        return JSValue::decode(bitwise_cast&lt;uint32_t&gt;(result));
+    }
</ins><span class="cx"> 
</span><span class="cx">     RELEASE_ASSERT(typeString == &quot;f64&quot;);
</span><del>-    return JSValue::decode(bitwise_cast&lt;uint64_t&gt;(value.asNumber()));
</del><ins>+    double result;
+    if (!unboxString(&quot;%la&quot;, &quot;%lf&quot;, result))
+        result = value.asNumber();
+    return JSValue::decode(bitwise_cast&lt;uint64_t&gt;(result));
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> static JSValue callWasmFunction(VM* vm, const B3::Compilation&amp; code, Vector&lt;JSValue&gt;&amp; boxedArgs)
</span></span></pre></div>
<a id="trunkSourceJavaScriptCorewasmWasmB3IRGeneratorcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/wasm/WasmB3IRGenerator.cpp (209274 => 209275)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/wasm/WasmB3IRGenerator.cpp        2016-12-02 22:53:19 UTC (rev 209274)
+++ trunk/Source/JavaScriptCore/wasm/WasmB3IRGenerator.cpp        2016-12-02 22:59:20 UTC (rev 209275)
</span><span class="lines">@@ -29,6 +29,7 @@
</span><span class="cx"> #if ENABLE(WEBASSEMBLY)
</span><span class="cx"> 
</span><span class="cx"> #include &quot;B3BasicBlockInlines.h&quot;
</span><ins>+#include &quot;B3CCallValue.h&quot;
</ins><span class="cx"> #include &quot;B3ConstPtrValue.h&quot;
</span><span class="cx"> #include &quot;B3FixSSA.h&quot;
</span><span class="cx"> #include &quot;B3StackmapGenerationParams.h&quot;
</span><span class="lines">@@ -749,7 +750,7 @@
</span><span class="cx">     PatchpointValue* patchpoint = m_currentBlock-&gt;appendNew&lt;PatchpointValue&gt;(m_proc, Float, Origin());
</span><span class="cx">     if (isX86())
</span><span class="cx">         patchpoint-&gt;numGPScratchRegisters = 1;
</span><del>-    patchpoint-&gt;append(ConstrainedValue(arg, ValueRep::WarmAny));
</del><ins>+    patchpoint-&gt;append(arg, ValueRep::SomeRegister);
</ins><span class="cx">     patchpoint-&gt;setGenerator([=] (CCallHelpers&amp; jit, const StackmapGenerationParams&amp; params) {
</span><span class="cx">         AllowMacroScratchRegisterUsage allowScratch(jit);
</span><span class="cx"> #if CPU(X86_64)
</span><span class="lines">@@ -769,7 +770,7 @@
</span><span class="cx">     PatchpointValue* patchpoint = m_currentBlock-&gt;appendNew&lt;PatchpointValue&gt;(m_proc, Float, Origin());
</span><span class="cx">     if (isX86())
</span><span class="cx">         patchpoint-&gt;numGPScratchRegisters = 1;
</span><del>-    patchpoint-&gt;append(ConstrainedValue(arg, ValueRep::WarmAny));
</del><ins>+    patchpoint-&gt;append(arg, ValueRep::SomeRegister);
</ins><span class="cx">     patchpoint-&gt;setGenerator([=] (CCallHelpers&amp; jit, const StackmapGenerationParams&amp; params) {
</span><span class="cx">         AllowMacroScratchRegisterUsage allowScratch(jit);
</span><span class="cx"> #if CPU(X86_64)
</span><span class="lines">@@ -783,6 +784,70 @@
</span><span class="cx">     return true;
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+template&lt;&gt;
+bool B3IRGenerator::addOp&lt;OpType::F64Nearest&gt;(ExpressionType arg, ExpressionType&amp; result)
+{
+    PatchpointValue* patchpoint = m_currentBlock-&gt;appendNew&lt;PatchpointValue&gt;(m_proc, Double, Origin());
+    patchpoint-&gt;append(arg, ValueRep::SomeRegister);
+    patchpoint-&gt;setGenerator([=] (CCallHelpers&amp; jit, const StackmapGenerationParams&amp; params) {
+        jit.nearestIntDouble(params[1].fpr(), params[0].fpr());
+    });
+    patchpoint-&gt;effects = Effects::none();
+    result = patchpoint;
+    return true;
+}
+
+template&lt;&gt;
+bool B3IRGenerator::addOp&lt;OpType::F32Nearest&gt;(ExpressionType arg, ExpressionType&amp; result)
+{
+    PatchpointValue* patchpoint = m_currentBlock-&gt;appendNew&lt;PatchpointValue&gt;(m_proc, Float, Origin());
+    patchpoint-&gt;append(arg, ValueRep::SomeRegister);
+    patchpoint-&gt;setGenerator([=] (CCallHelpers&amp; jit, const StackmapGenerationParams&amp; params) {
+        jit.nearestIntFloat(params[1].fpr(), params[0].fpr());
+    });
+    patchpoint-&gt;effects = Effects::none();
+    result = patchpoint;
+    return true;
+}
+
+template&lt;&gt;
+bool B3IRGenerator::addOp&lt;OpType::F64Trunc&gt;(ExpressionType arg, ExpressionType&amp; result)
+{
+#if CPU(X86_64)
+    double (*truncDouble)(double) = std::nearbyint;
+    Value* truncAddress = m_currentBlock-&gt;appendNew&lt;ConstPtrValue&gt;(m_proc, Origin(), truncDouble);
+    result = m_currentBlock-&gt;appendNew&lt;CCallValue&gt;(m_proc, Double, Origin(), Effects::none(), truncAddress, arg);
+#else
+    PatchpointValue* patchpoint = m_currentBlock-&gt;appendNew&lt;PatchpointValue&gt;(m_proc, Double, Origin());
+    patchpoint-&gt;append(arg, ValueRep::SomeRegister);
+    patchpoint-&gt;setGenerator([=] (CCallHelpers&amp; jit, const StackmapGenerationParams&amp; params) {
+        jit.truncDouble(params[1].fpr(), params[0].fpr());
+    });
+    patchpoint-&gt;effects = Effects::none();
+    result = patchpoint;
+#endif
+    return true;
+}
+
+template&lt;&gt;
+bool B3IRGenerator::addOp&lt;OpType::F32Trunc&gt;(ExpressionType arg, ExpressionType&amp; result)
+{
+#if CPU(X86_64)
+    float (*roundFloat)(float) = std::trunc;
+    Value* roundAddress = m_currentBlock-&gt;appendNew&lt;ConstPtrValue&gt;(m_proc, Origin(), roundFloat);
+    result = m_currentBlock-&gt;appendNew&lt;CCallValue&gt;(m_proc, Float, Origin(), Effects::none(), roundAddress, arg);
+#else
+    PatchpointValue* patchpoint = m_currentBlock-&gt;appendNew&lt;PatchpointValue&gt;(m_proc, Float, Origin());
+    patchpoint-&gt;append(arg, ValueRep::SomeRegister);
+    patchpoint-&gt;setGenerator([=] (CCallHelpers&amp; jit, const StackmapGenerationParams&amp; params) {
+        jit.truncFloat(params[1].fpr(), params[0].fpr());
+    });
+    patchpoint-&gt;effects = Effects::none();
+    result = patchpoint;
+#endif
+    return true;
+}
+
</ins><span class="cx"> } } // namespace JSC::Wasm
</span><span class="cx"> 
</span><span class="cx"> #include &quot;WasmB3IRGeneratorInlines.h&quot;
</span></span></pre></div>
<a id="trunkSourceJavaScriptCorewasmWasmFunctionParserh"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/wasm/WasmFunctionParser.h (209274 => 209275)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/wasm/WasmFunctionParser.h        2016-12-02 22:53:19 UTC (rev 209274)
+++ trunk/Source/JavaScriptCore/wasm/WasmFunctionParser.h        2016-12-02 22:59:20 UTC (rev 209275)
</span><span class="lines">@@ -213,6 +213,10 @@
</span><span class="cx"> 
</span><span class="cx">     case OpType::F32ConvertUI64: return unaryCase&lt;OpType::F32ConvertUI64&gt;();
</span><span class="cx">     case OpType::F64ConvertUI64: return unaryCase&lt;OpType::F64ConvertUI64&gt;();
</span><ins>+    case OpType::F32Nearest: return unaryCase&lt;OpType::F32Nearest&gt;();
+    case OpType::F64Nearest: return unaryCase&lt;OpType::F64Nearest&gt;();
+    case OpType::F32Trunc: return unaryCase&lt;OpType::F32Trunc&gt;();
+    case OpType::F64Trunc: return unaryCase&lt;OpType::F64Trunc&gt;();
</ins><span class="cx"> #define CREATE_CASE(name, id, b3op) case OpType::name: return unaryCase&lt;OpType::name&gt;();
</span><span class="cx">     FOR_EACH_WASM_SIMPLE_UNARY_OP(CREATE_CASE)
</span><span class="cx"> #undef CREATE_CASE
</span></span></pre>
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