src/platform-win32.cc - Issue 9599006: Set x86 FPU precision to 64-bit for MinGW. Original patch by Jonathan Liu <net147@gmail.com>.

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Unified Diff: src/platform-win32.cc

Issue 9599006: Set x86 FPU precision to 64-bit for MinGW. Original patch by Jonathan Liu <net147@gmail.com>. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: cosmetic changes Created 8 years, 10 months ago

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Index: src/platform-win32.cc

diff --git a/src/platform-win32.cc b/src/platform-win32.cc

index 115a6c946efcb088d245a3a76214dcd833e761f2..600320e9de85f4df0d8ece5865edf770018fb4b4 100644

--- a/src/platform-win32.cc

+++ b/src/platform-win32.cc

@@ -539,6 +539,10 @@ char* Time::LocalTimezone() {

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

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