Changeset 198559 in webkit for trunk/Source/JavaScriptCore/jsc.cpp

Timestamp:

Mar 22, 2016, 3:14:38 PM (9 years ago)

Author:

[email protected]

Message:

[Win] [64-bit] Remove MSVC 2013 FMA3 Bug Workaround
​https://bugs.webkit.org/show_bug.cgi?id=141499

Reviewed by Brent Fulgham.

As we have moved on to VS2015, this workaround is no longer needed.

Source/JavaScriptCore:

• API/tests/testapi.c:

(main):

• JavaScriptCore.vcxproj/jsc/DLLLauncherMain.cpp:

(wWinMain):

• jsc.cpp:

(main):

• testRegExp.cpp:

(main):

Source/WebKit/win:

• WebKitDLL.cpp:

(DllMain):

Source/WTF:

• wtf/PlatformWin.cmake:
• wtf/win/WTFDLL.cpp: Removed.

Tools:

• DumpRenderTree/cg/ImageDiffCG.cpp:

(main):

• DumpRenderTree/win/DumpRenderTree.cpp:

(main):

• DumpRenderTree/win/ImageDiffCairo.cpp:

(main):

• MiniBrowser/win/Common.cpp:

(DllMain):

• TestWebKitAPI/win/main.cpp:

(main):

• win/DLLLauncher/DLLLauncherMain.cpp:

(wWinMain):

File:

• trunk/Source/JavaScriptCore/jsc.cpp (modified) (1 diff)

trunk/Source/JavaScriptCore/jsc.cpp

@@ -1804 +1804 @@
 #endif
 
-#if OS(WINDOWS) && (defined(_M_X64) || defined(__x86_64__))
-    // The VS2013 runtime has a bug where it mis-detects AVX-capable processors
-    // if the feature has been disabled in firmware. This causes us to crash
-    // in some of the math functions. For now, we disable those optimizations
-    // because Microsoft is not going to fix the problem in VS2013.
-    // FIXME: http://webkit.org/b/141449: Remove this workaround when we switch to VS2015+.
-    _set_FMA3_enable(0);
-
+#if OS(WINDOWS)
     // Cygwin calls ::SetErrorMode(SEM_FAILCRITICALERRORS), which we will inherit. This is bad for
     // testing/debugging, as it causes the post-mortem debugger not to be invoked. We reset the