diff options
| author | Aaron Ballman <aaron@aaronballman.com> | 2013-04-23 17:38:44 +0000 |
|---|---|---|
| committer | Aaron Ballman <aaron@aaronballman.com> | 2013-04-23 17:38:44 +0000 |
| commit | 3579a29dba8fcc7285a3a5bec4512b4ca0a91ab3 (patch) | |
| tree | 5a1c1b262cef4c8bd8f6211d446552cf19701233 /lib/Support/Host.cpp | |
| parent | 2a74639bc7713146b1182328892807c421c84265 (diff) | |
| download | llvm-3579a29dba8fcc7285a3a5bec4512b4ca0a91ab3.tar.gz llvm-3579a29dba8fcc7285a3a5bec4512b4ca0a91ab3.tar.bz2 llvm-3579a29dba8fcc7285a3a5bec4512b4ca0a91ab3.tar.xz | |
Testing for _XCR_XFEATURE_ENABLED_MASK instead of a specific MSVC version because some MSVC 2010 SP1 installations do not have the _xgetbv intrinsic. Patch thanks to Serge Pavlov!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180125 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Support/Host.cpp')
| -rw-r--r-- | lib/Support/Host.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Support/Host.cpp b/lib/Support/Host.cpp index 445b344968..27c99c89ae 100644 --- a/lib/Support/Host.cpp +++ b/lib/Support/Host.cpp @@ -119,7 +119,7 @@ static bool OSHasAVXSupport() { // there is no easy way to conditionally compile based on the assembler used. int rEAX, rEDX; __asm__ (".byte 0x0f, 0x01, 0xd0" : "=a" (rEAX), "=d" (rEDX) : "c" (0)); -#elif defined(_MSC_FULL_VER) && _MSC_FULL_VER >= 160040219 +#elif defined(_MSC_FULL_VER) && defined(_XCR_XFEATURE_ENABLED_MASK) unsigned long long rEAX = _xgetbv(_XCR_XFEATURE_ENABLED_MASK); #else int rEAX = 0; // Ensures we return false |