diff options
Diffstat (limited to 'lib/Target/PowerPC/PPC32ISelSimple.cpp')
| -rw-r--r-- | lib/Target/PowerPC/PPC32ISelSimple.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/Target/PowerPC/PPC32ISelSimple.cpp b/lib/Target/PowerPC/PPC32ISelSimple.cpp index 062df545fc..790aab42c5 100644 --- a/lib/Target/PowerPC/PPC32ISelSimple.cpp +++ b/lib/Target/PowerPC/PPC32ISelSimple.cpp @@ -555,7 +555,13 @@ void ISel::copyConstantToRegister(MachineBasicBlock *MBB, BuildMI(*MBB, IP, PPC32::ORI, 2, R+1).addReg(Temp).addImm(Val & 0xFFFF); } else if (Val < (1ULL << 48)) { unsigned Temp = makeAnotherReg(Type::IntTy); - BuildMI(*MBB, IP, PPC32::LI, 1, R).addSImm((Val >> 32) & 0xFFFF); + int HiBits = (Val >> 32) & 0xFFFF; + if (HiBits > 32767) { + BuildMI(*MBB, IP, PPC32::LI, 1, PPC32::R0).addImm(0); + BuildMI(*MBB, IP, PPC32::ORI, 2, R).addReg(PPC32::R0).addSImm(HiBits); + } else { + BuildMI(*MBB, IP, PPC32::LI, 1, R).addSImm(HiBits); + } BuildMI(*MBB, IP, PPC32::LIS, 1, Temp).addSImm((Val >> 16) & 0xFFFF); BuildMI(*MBB, IP, PPC32::ORI, 2, R+1).addReg(Temp).addImm(Val & 0xFFFF); } else { |