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Revert "Turn on the vzeroupper pass by default."

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This reverts commit 494f7ac3e8d2ab3d94e52317abf9c42a949fe1f3.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142455 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2011-10-18 23:10:11 +00:00
parent d88bc2a683
commit 857bf83414
1 changed files with 1 additions and 1 deletions
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2
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(true));
cl::init(false));
//===----------------------------------------------------------------------===//
// Pass Pipeline Configuration