Attempting to fix the build on older GCC versions.

llvm-svn: 178604
This commit is contained in:
Aaron Ballman 2013-04-03 01:39:37 +00:00
parent a0e9d39b55
commit 56be6ba5e4
1 changed files with 2 additions and 1 deletions

View File

@ -113,7 +113,8 @@ static bool GetX86CpuIDAndInfo(unsigned value, unsigned *rEAX,
}
static bool OSHasAVXSupport() {
#if defined(__GNUC__)
#if defined( __GNUC__ ) && \
(__GNUC__ > 4 || __GNUC__ == 4 && __GNUC_MINOR__ >= 4)
int rEAX, rEDX;
__asm__ ("xgetbv" : "=a" (rEAX), "=d" (rEDX) : "c" (0));
#elif defined(_MSC_VER)