diff options
Diffstat (limited to 'lib/Target/Mips/MipsRegisterInfo.cpp')
-rw-r--r-- | lib/Target/Mips/MipsRegisterInfo.cpp | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/lib/Target/Mips/MipsRegisterInfo.cpp b/lib/Target/Mips/MipsRegisterInfo.cpp index f55ef4e..aa921bc 100644 --- a/lib/Target/Mips/MipsRegisterInfo.cpp +++ b/lib/Target/Mips/MipsRegisterInfo.cpp @@ -101,12 +101,12 @@ BitVector MipsRegisterInfo:: getReservedRegs(const MachineFunction &MF) const { static const unsigned ReservedCPURegs[] = { Mips::ZERO, Mips::AT, Mips::K0, Mips::K1, - Mips::GP, Mips::SP, Mips::FP, Mips::RA + Mips::SP, Mips::FP, Mips::RA }; static const unsigned ReservedCPU64Regs[] = { Mips::ZERO_64, Mips::AT_64, Mips::K0_64, Mips::K1_64, - Mips::GP_64, Mips::SP_64, Mips::FP_64, Mips::RA_64 + Mips::SP_64, Mips::FP_64, Mips::RA_64 }; BitVector Reserved(getNumRegs()); @@ -135,6 +135,12 @@ getReservedRegs(const MachineFunction &MF) const { Reserved.set(*Reg); } + // If GP is dedicated as a global base register, reserve it. + if (MF.getInfo<MipsFunctionInfo>()->globalBaseRegFixed()) { + Reserved.set(Mips::GP); + Reserved.set(Mips::GP_64); + } + return Reserved; } |