From 31c0adc68c33665966d1821d0ff4ca24a6eec47b Mon Sep 17 00:00:00 2001 From: Aaron Ballman Date: Tue, 23 Apr 2013 17:38:44 +0000 Subject: 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 --- llvm/lib/Support/Host.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'llvm/lib/Support/Host.cpp') 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 -- cgit v1.2.3