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authorEric Christopher <echristo@apple.com>2011-10-18 23:10:11 +0000
committerEric Christopher <echristo@apple.com>2011-10-18 23:10:11 +0000
commit857bf8341498448851fd7205e48307138823698b (patch)
tree00e3375474d6795a44bd1058f91e6affb6478fae
parentd88bc2a68341128b410d09de2845ded8b64896f2 (diff)
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Revert "Turn on the vzeroupper pass by default."
This reverts commit 494f7ac3e8d2ab3d94e52317abf9c42a949fe1f3. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142455 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Target/X86/X86TargetMachine.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index 1978c01aba..15c6c4e7a7 100644
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -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