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| author | Eli Friedman <eli.friedman@gmail.com> | 2011-11-17 00:21:52 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2011-11-17 00:21:52 +0000 |
| commit | d224c7879ae71979e8b9675b38e9a16310560dc3 (patch) | |
| tree | ab234ce83e7cc88aab63519eed0153d83efabd57 /lib | |
| parent | 708276d6e4c75f512d0eca3cf249df7bc13239c0 (diff) | |
| download | llvm-d224c7879ae71979e8b9675b38e9a16310560dc3.tar.gz llvm-d224c7879ae71979e8b9675b38e9a16310560dc3.tar.bz2 llvm-d224c7879ae71979e8b9675b38e9a16310560dc3.tar.xz | |
Turn on vzeroupper insertion on call boundaries for AVX; it works as far as I know, and I'd like to see wider testing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144867 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/X86TargetMachine.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp index 37aa68106c..1c9f3bd549 100644 --- a/lib/Target/X86/X86TargetMachine.cpp +++ b/lib/Target/X86/X86TargetMachine.cpp @@ -105,7 +105,7 @@ 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 |