diff options
Diffstat (limited to 'llvm/lib/Target/ARM/ThumbRegisterInfo.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/ThumbRegisterInfo.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/llvm/lib/Target/ARM/ThumbRegisterInfo.cpp b/llvm/lib/Target/ARM/ThumbRegisterInfo.cpp index c0da255c6b9..2efd63b84a2 100644 --- a/llvm/lib/Target/ARM/ThumbRegisterInfo.cpp +++ b/llvm/lib/Target/ARM/ThumbRegisterInfo.cpp @@ -126,6 +126,7 @@ static void emitThumbRegPlusImmInReg( bool CanChangeCC, const TargetInstrInfo &TII, const ARMBaseRegisterInfo &MRI, unsigned MIFlags = MachineInstr::NoFlags) { MachineFunction &MF = *MBB.getParent(); + const ARMSubtarget &ST = MF.getSubtarget<ARMSubtarget>(); bool isHigh = !isARMLowRegister(DestReg) || (BaseReg != 0 && !isARMLowRegister(BaseReg)); bool isSub = false; @@ -154,6 +155,9 @@ static void emitThumbRegPlusImmInReg( AddDefaultT1CC(BuildMI(MBB, MBBI, dl, TII.get(ARM::tRSB), LdReg)) .addReg(LdReg, RegState::Kill) .setMIFlags(MIFlags); + } else if (ST.genExecuteOnly()) { + BuildMI(MBB, MBBI, dl, TII.get(ARM::t2MOVi32imm), LdReg) + .addImm(NumBytes).setMIFlags(MIFlags); } else MRI.emitLoadConstPool(MBB, MBBI, dl, LdReg, 0, NumBytes, ARMCC::AL, 0, MIFlags); @@ -570,7 +574,7 @@ void ThumbRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II, unsigned TmpReg = MI.getOperand(0).getReg(); bool UseRR = false; if (Opcode == ARM::tLDRspi) { - if (FrameReg == ARM::SP) + if (FrameReg == ARM::SP || STI.genExecuteOnly()) emitThumbRegPlusImmInReg(MBB, II, dl, TmpReg, FrameReg, Offset, false, TII, *this); else { @@ -594,7 +598,7 @@ void ThumbRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II, bool UseRR = false; if (Opcode == ARM::tSTRspi) { - if (FrameReg == ARM::SP) + if (FrameReg == ARM::SP || STI.genExecuteOnly()) emitThumbRegPlusImmInReg(MBB, II, dl, VReg, FrameReg, Offset, false, TII, *this); else { |
