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authorAaron Ballman <aaron@aaronballman.com>2013-04-23 17:38:44 +0000
committerAaron Ballman <aaron@aaronballman.com>2013-04-23 17:38:44 +0000
commit31c0adc68c33665966d1821d0ff4ca24a6eec47b (patch)
tree4f125e68f3d70aaad6802a5ffb0ff9eb997d38c0 /llvm/lib
parent117f075f6e73c8bf992484a7eb2b0aced5bb6be8 (diff)
downloadbcm5719-llvm-31c0adc68c33665966d1821d0ff4ca24a6eec47b.tar.gz
bcm5719-llvm-31c0adc68c33665966d1821d0ff4ca24a6eec47b.zip
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!
llvm-svn: 180125
Diffstat (limited to 'llvm/lib')
-rw-r--r--llvm/lib/Support/Host.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Support/Host.cpp b/llvm/lib/Support/Host.cpp
index 445b3449680..27c99c89aee 100644
--- a/llvm/lib/Support/Host.cpp
+++ b/llvm/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
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