diff options
Diffstat (limited to 'lib/Target/Mips/MipsRegisterInfo.cpp')
| -rw-r--r-- | lib/Target/Mips/MipsRegisterInfo.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Target/Mips/MipsRegisterInfo.cpp b/lib/Target/Mips/MipsRegisterInfo.cpp index 084449bba59c..a6169705fe01 100644 --- a/lib/Target/Mips/MipsRegisterInfo.cpp +++ b/lib/Target/Mips/MipsRegisterInfo.cpp @@ -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(), |