Revision: 10913
Author: [email protected]
Date: Sun Mar 4 02:49:25 2012
Log: Set x86 FPU precision to 64-bit for MinGW. Original patch by
Jonathan Liu <[email protected]>.
BUG=v8:1062
TEST=test-strtod.cc
Review URL: https://chromiumcodereview.appspot.com/9599006
Patch from Jonathan Liu <[email protected]>.
http://code.google.com/p/v8/source/detail?r=10913
Modified:
/branches/bleeding_edge/src/platform-win32.cc
/branches/bleeding_edge/src/win32-headers.h
/branches/bleeding_edge/test/cctest/test-strtod.cc
=======================================
--- /branches/bleeding_edge/src/platform-win32.cc Sat Mar 3 03:07:29 2012
+++ /branches/bleeding_edge/src/platform-win32.cc Sun Mar 4 02:49:25 2012
@@ -539,6 +539,10 @@
void OS::SetUp() {
+#ifdef __MINGW32__
+ // Set x87 FPU precision to 64-bit to be consistent with MSVC.
+ _controlfp(_PC_53, _MCW_PC);
+#endif
// Seed the random number generator.
// Convert the current time to a 64-bit integer first, before converting
it
// to an unsigned. Going directly can cause an overflow and the seed to
be
=======================================
--- /branches/bleeding_edge/src/win32-headers.h Wed Feb 22 04:26:36 2012
+++ /branches/bleeding_edge/src/win32-headers.h Sun Mar 4 02:49:25 2012
@@ -63,6 +63,7 @@
// header files to expose getaddrinfo.
#undef _WIN32_WINNT
#define _WIN32_WINNT 0x501
+#include <float.h> // For _controlfp().
#endif // __MINGW32__
#if !defined(__MINGW32__) || defined(__MINGW64_VERSION_MAJOR)
#include <dbghelp.h> // For SymLoadModule64 and al.
@@ -78,7 +79,7 @@
#ifndef __MINGW32__
#include <wspiapi.h>
#endif // __MINGW32__
-#include <process.h> // for _beginthreadex()
+#include <process.h> // For _beginthreadex().
#include <stdlib.h>
#endif // V8_WIN32_HEADERS_FULL
=======================================
--- /branches/bleeding_edge/test/cctest/test-strtod.cc Wed Feb 9 06:12:31
2011
+++ /branches/bleeding_edge/test/cctest/test-strtod.cc Sun Mar 4 02:49:25
2012
@@ -1,4 +1,29 @@
-// Copyright 2006-2008 the V8 project authors. All rights reserved.
+// Copyright 2012 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <stdlib.h>
@@ -23,6 +48,8 @@
TEST(Strtod) {
+ v8::V8::Initialize();
+
Vector<const char> vector;
vector = StringToVector("0");
--
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