diff options
Diffstat (limited to 'lib/Target/Mips')
| -rw-r--r-- | lib/Target/Mips/MipsISelLowering.cpp | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/lib/Target/Mips/MipsISelLowering.cpp b/lib/Target/Mips/MipsISelLowering.cpp index da3e80f..6351073 100644 --- a/lib/Target/Mips/MipsISelLowering.cpp +++ b/lib/Target/Mips/MipsISelLowering.cpp @@ -1073,7 +1073,14 @@ MipsTargetLowering::emitAtomicBinaryPartword(MachineInstr *MI, BuildMI(BB, DL, TII->get(Mips::AND), AlignedAddr) .addReg(Ptr).addReg(MaskLSB2); BuildMI(BB, DL, TII->get(Mips::ANDi), PtrLSB2).addReg(Ptr).addImm(3); - BuildMI(BB, DL, TII->get(Mips::SLL), ShiftAmt).addReg(PtrLSB2).addImm(3); + if (Subtarget->isLittle()) { + BuildMI(BB, DL, TII->get(Mips::SLL), ShiftAmt).addReg(PtrLSB2).addImm(3); + } else { + unsigned Off = RegInfo.createVirtualRegister(RC); + BuildMI(BB, DL, TII->get(Mips::XORi), Off) + .addReg(PtrLSB2).addImm((Size == 1) ? 3 : 2); + BuildMI(BB, DL, TII->get(Mips::SLL), ShiftAmt).addReg(Off).addImm(3); + } BuildMI(BB, DL, TII->get(Mips::ORi), MaskUpper) .addReg(Mips::ZERO).addImm(MaskImm); BuildMI(BB, DL, TII->get(Mips::SLLV), Mask) @@ -1316,7 +1323,14 @@ MipsTargetLowering::emitAtomicCmpSwapPartword(MachineInstr *MI, BuildMI(BB, DL, TII->get(Mips::AND), AlignedAddr) .addReg(Ptr).addReg(MaskLSB2); BuildMI(BB, DL, TII->get(Mips::ANDi), PtrLSB2).addReg(Ptr).addImm(3); - BuildMI(BB, DL, TII->get(Mips::SLL), ShiftAmt).addReg(PtrLSB2).addImm(3); + if (Subtarget->isLittle()) { + BuildMI(BB, DL, TII->get(Mips::SLL), ShiftAmt).addReg(PtrLSB2).addImm(3); + } else { + unsigned Off = RegInfo.createVirtualRegister(RC); + BuildMI(BB, DL, TII->get(Mips::XORi), Off) + .addReg(PtrLSB2).addImm((Size == 1) ? 3 : 2); + BuildMI(BB, DL, TII->get(Mips::SLL), ShiftAmt).addReg(Off).addImm(3); + } BuildMI(BB, DL, TII->get(Mips::ORi), MaskUpper) .addReg(Mips::ZERO).addImm(MaskImm); BuildMI(BB, DL, TII->get(Mips::SLLV), Mask) |