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| author | Yunzhong Gao <Yunzhong_Gao@playstation.sony.com> | 2016-02-02 21:39:23 +0000 |
|---|---|---|
| committer | Yunzhong Gao <Yunzhong_Gao@playstation.sony.com> | 2016-02-02 21:39:23 +0000 |
| commit | b76ccacfb14439a587b028704fadfbf4a6044b80 (patch) | |
| tree | 707cc837ffbdb2615cc6a8c7ef8aa7bebd1813ab /llvm/lib/Target/X86/X86TargetMachine.cpp | |
| parent | 3923698b3f8cdc68385f1cd252e8160d522736ba (diff) | |
| download | llvm-b76ccacfb14439a587b028704fadfbf4a6044b80.zip llvm-b76ccacfb14439a587b028704fadfbf4a6044b80.tar.gz llvm-b76ccacfb14439a587b028704fadfbf4a6044b80.tar.bz2 | |
Disable the vzeroupper insertion pass on PS4.
See comments in test/CodeGen/X86/avx-vzeroupper.ll for more explanation.
Original patch by: Sean Silva
llvm-svn: 259576
Diffstat (limited to 'llvm/lib/Target/X86/X86TargetMachine.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86TargetMachine.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86TargetMachine.cpp b/llvm/lib/Target/X86/X86TargetMachine.cpp index 0e7e4c0..fac3a45 100644 --- a/llvm/lib/Target/X86/X86TargetMachine.cpp +++ b/llvm/lib/Target/X86/X86TargetMachine.cpp @@ -270,6 +270,9 @@ void X86PassConfig::addPreEmitPass() { if (getOptLevel() != CodeGenOpt::None) addPass(createExecutionDependencyFixPass(&X86::VR128RegClass)); + if (TM->getTargetTriple().isPS4CPU()) + UseVZeroUpper = false; + if (UseVZeroUpper) addPass(createX86IssueVZeroUpperPass()); |