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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 | 20439a42b03d4c11a81f144789df72453ff3b3ea (patch) | |
| tree | b755e2b8126bb821ce3c82c45cde226c3db5f8ee /llvm/lib/Target/X86/X86TargetMachine.cpp | |
| parent | 6a76c5eec49148387899bc75fc7510f008da5e09 (diff) | |
| download | bcm5719-llvm-20439a42b03d4c11a81f144789df72453ff3b3ea.tar.gz bcm5719-llvm-20439a42b03d4c11a81f144789df72453ff3b3ea.zip | |
Turn on vzeroupper insertion on call boundaries for AVX; it works as far as I know, and I'd like to see wider testing.
llvm-svn: 144867
Diffstat (limited to 'llvm/lib/Target/X86/X86TargetMachine.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86TargetMachine.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/X86TargetMachine.cpp b/llvm/lib/Target/X86/X86TargetMachine.cpp index 37aa68106c7..1c9f3bd5498 100644 --- a/llvm/lib/Target/X86/X86TargetMachine.cpp +++ b/llvm/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 |
