diff options
Diffstat (limited to 'lib/Target/PowerPC/PPCMachineFunctionInfo.h')
| -rw-r--r-- | lib/Target/PowerPC/PPCMachineFunctionInfo.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/PPCMachineFunctionInfo.h b/lib/Target/PowerPC/PPCMachineFunctionInfo.h index ee18eadf6e..40d1f3a5fc 100644 --- a/lib/Target/PowerPC/PPCMachineFunctionInfo.h +++ b/lib/Target/PowerPC/PPCMachineFunctionInfo.h @@ -84,6 +84,11 @@ class PPCFunctionInfo : public MachineFunctionInfo { /// CRSpillFrameIndex - FrameIndex for CR spill slot for 32-bit SVR4. int CRSpillFrameIndex; + /// If any of CR[2-4] need to be saved in the prologue and restored in the + /// epilogue then they are added to this array. This is used for the + /// 64-bit SVR4 ABI. + SmallVector<unsigned, 3> MustSaveCRs; + public: explicit PPCFunctionInfo(MachineFunction &MF) : FramePointerSaveIndex(0), @@ -154,6 +159,10 @@ public: int getCRSpillFrameIndex() const { return CRSpillFrameIndex; } void setCRSpillFrameIndex(int idx) { CRSpillFrameIndex = idx; } + + const SmallVector<unsigned, 3> & + getMustSaveCRs() const { return MustSaveCRs; } + void addMustSaveCR(unsigned Reg) { MustSaveCRs.push_back(Reg); } }; } // end of namespace llvm |