diff options
Diffstat (limited to 'lib/Target/Mips/MipsRegisterInfo.cpp')
| -rw-r--r-- | lib/Target/Mips/MipsRegisterInfo.cpp | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/lib/Target/Mips/MipsRegisterInfo.cpp b/lib/Target/Mips/MipsRegisterInfo.cpp index 084449b..20ef3f3 100644 --- a/lib/Target/Mips/MipsRegisterInfo.cpp +++ b/lib/Target/Mips/MipsRegisterInfo.cpp @@ -62,7 +62,7 @@ MipsRegisterInfo::getRegPressureLimit(const TargetRegisterClass *RC, case Mips::GPR32RegClassID: case Mips::GPR64RegClassID: case Mips::DSPRRegClassID: { - const TargetFrameLowering *TFI = MF.getTarget().getFrameLowering(); + const TargetFrameLowering *TFI = MF.getSubtarget().getFrameLowering(); return 28 - TFI->hasFP(MF); } case Mips::FGR32RegClassID: @@ -149,6 +149,12 @@ getReservedRegs(const MachineFunction &MF) const { for (unsigned I = 0; I < array_lengthof(ReservedGPR64); ++I) Reserved.set(ReservedGPR64[I]); + // For mno-abicalls, GP is a program invariant! + if (!Subtarget.isABICalls()) { + Reserved.set(Mips::GP); + Reserved.set(Mips::GP_64); + } + if (Subtarget.isFP64bit()) { // Reserve all registers in AFGR64. for (RegIter Reg = Mips::AFGR64RegClass.begin(), @@ -161,7 +167,7 @@ getReservedRegs(const MachineFunction &MF) const { Reserved.set(*Reg); } // Reserve FP if this function should have a dedicated frame pointer register. - if (MF.getTarget().getFrameLowering()->hasFP(MF)) { + if (MF.getSubtarget().getFrameLowering()->hasFP(MF)) { if (Subtarget.inMips16Mode()) Reserved.set(Mips::S0); else { @@ -250,7 +256,7 @@ eliminateFrameIndex(MachineBasicBlock::iterator II, int SPAdj, unsigned MipsRegisterInfo:: getFrameRegister(const MachineFunction &MF) const { - const TargetFrameLowering *TFI = MF.getTarget().getFrameLowering(); + const TargetFrameLowering *TFI = MF.getSubtarget().getFrameLowering(); bool IsN64 = Subtarget.isABI_N64(); if (Subtarget.inMips16Mode()) |