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Turn on the vzeroupper pass by default. 

I'll remove/rename the option in a few days.

llvm-svn: 142439
This commit is contained in:
Eric Christopher 2011-10-18 22:50:17 +00:00
parent 2797d6e660
commit 9bede2dd92
1 changed files with 1 additions and 1 deletions
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2
llvm/lib/Target/X86/X86TargetMachine.cpp
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@ -102,7 +102,7 @@ X86TargetMachine::X86TargetMachine(const Target &T, StringRef TT,
static cl::opt<bool>
UseVZeroUpper("x86-use-vzeroupper",
cl::desc("Minimize AVX to SSE transition penalty"),
cl::init(false));
cl::init(true));
//===----------------------------------------------------------------------===//
// Pass Pipeline Configuration