diff options
Diffstat (limited to 'llvm/lib/Target/Mips/MipsMachineFunction.h')
| -rw-r--r-- | llvm/lib/Target/Mips/MipsMachineFunction.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/llvm/lib/Target/Mips/MipsMachineFunction.h b/llvm/lib/Target/Mips/MipsMachineFunction.h index a1b2e817371..a2f6ee03604 100644 --- a/llvm/lib/Target/Mips/MipsMachineFunction.h +++ b/llvm/lib/Target/Mips/MipsMachineFunction.h @@ -34,7 +34,7 @@ class MipsFunctionInfo : public MachineFunctionInfo { public: MipsFunctionInfo(MachineFunction &MF) : MF(MF), SRetReturnReg(0), GlobalBaseReg(0), Mips16SPAliasReg(0), - VarArgsFrameIndex(0), CallsEhReturn(false), SaveS2(false), + VarArgsFrameIndex(0), CallsEhReturn(false), IsISR(false), SaveS2(false), MoveF64ViaSpillFI(-1) {} ~MipsFunctionInfo(); @@ -70,6 +70,14 @@ public: /// object representing a GOT entry for an external function. MachinePointerInfo callPtrInfo(const char *ES); + // Functions with the "interrupt" attribute require special prologues, + // epilogues and additional spill slots. + bool isISR() const { return IsISR; } + void setISR() { IsISR = true; } + void createISRRegFI(); + int getISRRegFI(unsigned Reg) const { return ISRDataRegFI[Reg]; } + bool isISRRegFI(int FI) const; + /// Create a MachinePointerInfo that has a GlobalValuePseudoSourceValue object /// representing a GOT entry for a global function. MachinePointerInfo callPtrInfo(const GlobalValue *GV); @@ -116,6 +124,12 @@ private: /// Frame objects for spilling eh data registers. int EhDataRegFI[4]; + /// ISR - Whether the function is an Interrupt Service Routine. + bool IsISR; + + /// Frame objects for spilling C0_STATUS, C0_EPC + int ISRDataRegFI[2]; + // saveS2 bool SaveS2; |
