diff options
Diffstat (limited to 'lib/Target/ARM/Thumb2InstrInfo.cpp')
| -rw-r--r-- | lib/Target/ARM/Thumb2InstrInfo.cpp | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/lib/Target/ARM/Thumb2InstrInfo.cpp b/lib/Target/ARM/Thumb2InstrInfo.cpp index 7ec3c0e..6cb182a 100644 --- a/lib/Target/ARM/Thumb2InstrInfo.cpp +++ b/lib/Target/ARM/Thumb2InstrInfo.cpp @@ -1,4 +1,4 @@ -//===- Thumb2InstrInfo.cpp - Thumb-2 Instruction Information ----*- C++ -*-===// +//===-- Thumb2InstrInfo.cpp - Thumb-2 Instruction Information -------------===// // // The LLVM Compiler Infrastructure // @@ -21,6 +21,7 @@ #include "llvm/CodeGen/MachineInstrBuilder.h" #include "llvm/CodeGen/MachineMemOperand.h" #include "llvm/ADT/SmallVector.h" +#include "llvm/MC/MCInst.h" #include "llvm/Support/CommandLine.h" using namespace llvm; @@ -34,6 +35,13 @@ Thumb2InstrInfo::Thumb2InstrInfo(const ARMSubtarget &STI) : ARMBaseInstrInfo(STI), RI(*this, STI) { } +/// getNoopForMachoTarget - Return the noop instruction to use for a noop. +void Thumb2InstrInfo::getNoopForMachoTarget(MCInst &NopInst) const { + NopInst.setOpcode(ARM::tNOP); + NopInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); + NopInst.addOperand(MCOperand::CreateReg(0)); +} + unsigned Thumb2InstrInfo::getUnindexedOpcode(unsigned Opc) const { // FIXME return 0; @@ -586,7 +594,7 @@ Thumb2InstrInfo::scheduleTwoAddrSource(MachineInstr *SrcMI, ARMCC::CondCodes NCC = llvm::getInstrPredicate(NMI, PredReg); if (!(NCC == CC || NCC == OCC) || NMI->modifiesRegister(SrcReg, &TRI) || - NMI->definesRegister(ARM::CPSR)) + NMI->modifiesRegister(ARM::CPSR, &TRI)) break; if (++NumInsts == 4) // Too many in a row! |