diff options
| author | Evan Cheng <evan.cheng@apple.com> | 2012-02-07 22:50:41 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2012-02-07 22:50:41 +0000 |
| commit | de1df103b9c578d0a1609054a5944342c5d0ba23 (patch) | |
| tree | ebcae362ebc8246f1792d6c2d7792d0b6cf034d3 /lib/Target/X86/X86Subtarget.cpp | |
| parent | 0ae2510ea00454af29c6fc3f4b012e35d5f5d431 (diff) | |
| download | llvm-de1df103b9c578d0a1609054a5944342c5d0ba23.tar.gz llvm-de1df103b9c578d0a1609054a5944342c5d0ba23.tar.bz2 llvm-de1df103b9c578d0a1609054a5944342c5d0ba23.tar.xz | |
Use LEA to adjust stack ptr for Atom. Patch by Andy Zhang.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150008 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86Subtarget.cpp')
| -rw-r--r-- | lib/Target/X86/X86Subtarget.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Target/X86/X86Subtarget.cpp b/lib/Target/X86/X86Subtarget.cpp index a9d95d3870..f1ef118881 100644 --- a/lib/Target/X86/X86Subtarget.cpp +++ b/lib/Target/X86/X86Subtarget.cpp @@ -257,6 +257,7 @@ void X86Subtarget::AutoDetectSubtargetFeatures() { // Set processor type. Currently only Atom is detected. if (Family == 6 && Model == 28) { X86ProcFamily = IntelAtom; + ToggleFeature(X86::FeatureLeaForSP); } unsigned MaxExtLevel; @@ -340,6 +341,7 @@ X86Subtarget::X86Subtarget(const std::string &TT, const std::string &CPU, , IsUAMemFast(false) , HasVectorUAMem(false) , HasCmpxchg16b(false) + , UseLeaForSP(false) , PostRAScheduler(false) , stackAlignment(4) // FIXME: this is a known good value for Yonah. How about others? |