commit eca54fbd6ac30fb7d48d881b27ae23603c0de8b4
author commit-queue@webkit.org <commit-queue@webkit.org@268f45cc-cd09-0410-ab3c-d52691b4dbfc> Wed Oct 30 17:47:32 2013 +0000
committer commit-queue@webkit.org <commit-queue@webkit.org@268f45cc-cd09-0410-ab3c-d52691b4dbfc> Wed Oct 30 17:47:32 2013 +0000
tree 0d96fe10f78c71384915487417cab1c0467e8d71
parent 1dba300084390785db9104e65435b655de74d1e3

Add result caching for Math.cos
https://bugs.webkit.org/show_bug.cgi?id=123255

Patch by Iago Toral Quiroga <itoral@igalia.com> on 2013-10-30
Reviewed by Brent Fulgham.

* runtime/MathObject.cpp:
(JSC::mathProtoFuncCos):
* runtime/VM.h:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@158281 268f45cc-cd09-0410-ab3c-d52691b4dbfc

Source/JavaScriptCore/ChangeLog

diff --git a/Source/JavaScriptCore/ChangeLog b/Source/JavaScriptCore/ChangeLog
index 864c9a2..ed36c0a 100644
--- a/Source/JavaScriptCore/ChangeLog
+++ b/Source/JavaScriptCore/ChangeLog
@@ -1,3 +1,14 @@
+2013-10-30  Iago Toral Quiroga  <itoral@igalia.com>
+
+        Add result caching for Math.cos
+        https://bugs.webkit.org/show_bug.cgi?id=123255
+
+        Reviewed by Brent Fulgham.
+
+        * runtime/MathObject.cpp:
+        (JSC::mathProtoFuncCos):
+        * runtime/VM.h:
+
 2013-10-30  Alex Christensen  <achristensen@webkit.org>
 
         Disabled JIT on Win64.

Source/JavaScriptCore/runtime/MathObject.cpp

diff --git a/Source/JavaScriptCore/runtime/MathObject.cpp b/Source/JavaScriptCore/runtime/MathObject.cpp
index 1ff2f91..ebcdf29 100644
--- a/Source/JavaScriptCore/runtime/MathObject.cpp
+++ b/Source/JavaScriptCore/runtime/MathObject.cpp
@@ -136,7 +136,7 @@
 
 EncodedJSValue JSC_HOST_CALL mathProtoFuncCos(ExecState* exec)
 {
-    return JSValue::encode(jsDoubleNumber(cos(exec->argument(0).toNumber(exec))));
+    return JSValue::encode(exec->vm().cachedCos(exec->argument(0).toNumber(exec)));
 }
 
 EncodedJSValue JSC_HOST_CALL mathProtoFuncExp(ExecState* exec)

Source/JavaScriptCore/runtime/VM.h

diff --git a/Source/JavaScriptCore/runtime/VM.h b/Source/JavaScriptCore/runtime/VM.h
index 8ecc712..280c74f 100644
--- a/Source/JavaScriptCore/runtime/VM.h
+++ b/Source/JavaScriptCore/runtime/VM.h
@@ -420,6 +420,7 @@
         ThreadIdentifier exclusiveThread;
 
         CachedTranscendentalFunction<std::sin> cachedSin;
+        CachedTranscendentalFunction<std::cos> cachedCos;
 
         JS_EXPORT_PRIVATE void resetDateCache();