diff options
| -rw-r--r-- | src/backend/main/main.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/backend/main/main.c b/src/backend/main/main.c index b764f552f83..97d2c512dfd 100644 --- a/src/backend/main/main.c +++ b/src/backend/main/main.c @@ -35,6 +35,11 @@ #include <sys/param.h> #endif +#if defined(_M_AMD64) && _MSC_VER == 1800 +#include <math.h> +#include <versionhelpers.h> +#endif + #include "bootstrap/bootstrap.h" #include "postmaster/postmaster.h" #include "tcop/tcopprot.h" @@ -274,6 +279,22 @@ startup_hacks(const char *progname) /* In case of general protection fault, don't show GUI popup box */ SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX); + +#if defined(_M_AMD64) && _MSC_VER == 1800 + /* + * Avoid crashing in certain floating-point operations if + * we were compiled for x64 with MS Visual Studio 2013 and + * are running on Windows prior to 7/2008R2 SP1 on an + * AVX2-capable CPU. + * + * Ref: https://connect.microsoft.com/VisualStudio/feedback/details/811093/visual-studio-2013-rtm-c-x64-code-generation-bug-for-avx2-instructions + */ + if (!IsWindows7SP1OrGreater()) + { + _set_FMA3_enable(0); + } +#endif /* defined(_M_AMD64) && _MSC_VER == 1800 */ + } #endif /* WIN32 */ } |