diff options
Diffstat (limited to 'llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp b/llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp index a93da9e98da..a873b2b26a4 100644 --- a/llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp +++ b/llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp @@ -60,8 +60,11 @@ static unsigned getFramePointerReg(const ARMSubtarget &STI) { const MCPhysReg* ARMBaseRegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const { const ARMSubtarget &STI = MF->getSubtarget<ARMSubtarget>(); + bool UseSplitPush = STI.splitFramePushPop(); const MCPhysReg *RegList = - STI.isTargetDarwin() ? CSR_iOS_SaveList : CSR_AAPCS_SaveList; + STI.isTargetDarwin() + ? CSR_iOS_SaveList + : (UseSplitPush ? CSR_AAPCS_SplitPush_SaveList : CSR_AAPCS_SaveList); const Function *F = MF->getFunction(); if (F->getCallingConv() == CallingConv::GHC) { @@ -72,7 +75,7 @@ ARMBaseRegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const { if (STI.isMClass()) { // M-class CPUs have hardware which saves the registers needed to allow a // function conforming to the AAPCS to function as a handler. - return CSR_AAPCS_SaveList; + return UseSplitPush ? CSR_AAPCS_SplitPush_SaveList : CSR_AAPCS_SaveList; } else if (F->getFnAttribute("interrupt").getValueAsString() == "FIQ") { // Fast interrupt mode gives the handler a private copy of R8-R14, so less // need to be saved to restore user-mode state. |
